xref: /netbsd-src/external/gpl3/binutils/dist/gold/ChangeLog (revision 04028aa9310ca9c619eca5cf58ddf1e58624d1d7)
12015-12-16  Roland McGrath  <mcgrathr@google.com>
2
3	PR ld/17473
4	* binary.cc: Move #include "safe-ctype.h" to be last #include.
5
62015-12-10  Alan Modra  <amodra@gmail.com>
7
8	Apply from master.
9	2015-12-07  Alan Modra  <amodra@gmail.com>
10	* powerpc.cc (add_2_2_12, ld_2_12, lis_2): Define.
11	(Target_powerpc::Scan::local, global): Handle R_PPC64_ENTRY.
12	(Target_powerpc::Relocate::relocate): Edit code at R_PPC64_ENTRY.
13
14	2015-11-25  Cary Coutant  <ccoutant@gmail.com>
15	PR gold/19291
16	* object.cc (Sized_relobj_file::write_local_symbols): If relocatable,
17	subtract section address from symbol value.
18
19	2015-11-25  Alan Modra  <amodra@gmail.com>
20	* powerpc.cc (Output_data_got_powerpc::Output_data_got_powerpc): Align
21	to 256 byte boundary.
22
23	2015-11-19  Alan Modra  <amodra@gmail.com>
24	* powerpc.cc (Target_powerpc::Scan::get_reference_flags): Correct
25	GOT16 and TOC16 relocs to RELATIVE_REF.
26
27	2015-11-14  Cary Coutant  <ccoutant@gmail.com>
28	PR gold/19244
29	PR gold/18548
30	* symtab.cc (Symbol_table::do_define_in_output_data): Check for forced
31	local symbols only for predefined symbols.
32
332015-11-11  Alan Modra  <amodra@gmail.com>
34	    Peter Bergner <bergner@vnet.ibm.com>
35
36	* gold/powerpc.cc (Powerpc_relocate_functions::addr16_dq): New function.
37	(Powerpc_relocate_functions::addr16dx_ha): Likewise.
38	(Target_powerpc::Scan::local): Handle R_POWERPC_REL16DX_HA.
39	(Target_powerpc::Scan::global): Likewise.
40	(Target_powerpc::Relocate::relocate): Likewise.
41
422015-11-09  Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
43
44	* layout.h (Layout::is_debug_info_section): Recognize .pdr debug
45	sections.
46
472015-11-09  Cary Coutant  <ccoutant@gmail.com>
48	    Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
49
50	* copy-relocs.h (Copy_relocs::copy_reloc): Replace reloc parameter
51	with type, offset, addend.
52	(Copy_relocs::save): Likewise.
53	* copy-relocs.cc (Copy_relocs::copy_reloc): Likewise.
54	(Copy_relocs::save): Likewise.
55	* aarch64.cc (Target_aarch64::copy_reloc): Pass r_type, r_offset,
56	and r_addend to Copy_relocs::copy_reloc.
57	* arm.cc (Target_arm::copy_reloc): Likewise.
58	* i386.cc (Target_i386::copy_reloc): Likewise.
59	* mips.cc (Target_mips::copy_reloc): Likewise.
60	* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
61	* s390.cc (Target_s390::copy_reloc): Likewise.
62	* sparc.cc (Target_sparc::copy_reloc): Likewise.
63	* tilegx.cc (Target_tilegx::copy_reloc): Likewise.
64	* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
65
662015-11-05  Cary Coutant  <ccoutant@gmail.com>
67
68	PR gold/19119
69	PR gold/19172
70	PR gold/19197
71	Revert commit 6457197210144f50a696097c0d308d81d46d5510:
72	2015-10-16  H.J. Lu  <hongjiu.lu@intel.com>
73		* options.h (General_options): Remove "obsolete" from -m.
74		* parameters.cc (set_parameters_target): Check if input target
75		is compatible with output emulation set by "-m emulation".
76
772015-11-05  Cary Coutant  <ccoutant@gmail.com>
78
79	PR gold/19163
80	* aarch64.cc (Target_aarch64::Relocate::relocate): Don't apply
81	certain relocations if --no-apply-dynamic-relocs is set.
82	* options.h (--apply-dynamic-relocs): New aarch64-specific option.
83
842015-11-03  Alan Modra  <amodra@gmail.com>
85
86	* po/POTFILES.in: Regenerate.
87
882015-10-30  Nick Clifton  <nickc@redhat.com>
89
90	* po/zh_CN.po: New (simplified) Chinese translation.
91
922015-10-29  H.J. Lu  <hongjiu.lu@intel.com>
93
94	PR gold/19184
95	* incremental.cc (Got_plt_view_info): Add got_entry_size.
96	(Local_got_offset_visitor::visit): Replace got_entry_size_
97	with info_.got_entry_size.
98	(Local_got_offset_visitor::got_entry_size_): Removed.
99	(Global_got_offset_visitor::visit): Replace got_entry_size_
100	with info_.got_entry_size.
101	(Global_got_offset_visitor::got_entry_size_): Removed.
102	(Output_section_incremental_inputs::write_got_plt): Initialize
103	view_info.got_entry_size.
104	* target.h (Sized_target::got_entry_size): New virtual function.
105	* x86_64.cc (Target_x86_64::got_entry_size): New function.
106
1072015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
108
109	* testsuite/binary_test.cc: Add __attribute__((aligned(1))).
110	* testsuite/script_test_12a.c: Likewise.
111	* testsuite/script_test_1a.cc: Likewise.
112	* testsuite/script_test_2.cc: Likewise.
113
1142015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
115
116	* testsuite/debug_msg.sh: Accept more fuzz in line numbers.
117
1182015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
119
120	PR gold/18959
121	* stringpool.cc (Stringpool_template::new_key_offset): Align all
122	strings, even zero-length.
123	(Stringpool_template::set_string_offsets): Likewise.
124
1252015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
126
127	* s390.cc: New file.
128	* Makefile.am (TARGETSOURCES): Add s390.cc.
129	(ALL_TARGETOBJS): Add s390.o.
130	* Makefile.in: Regenerate.
131	* configure.ac: Add s390 support.
132	* configure: Regenerate.
133	* configure.tgt: Add s390-*-* and s390x-*-*.
134	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Add s390
135	support.
136
1372015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
138
139	* archive.cc (Archive::sym64name): New const.
140	(Archive::setup): Add support for SYM64 armap.
141	(Archive::read_armap): Likewise.
142	(Archive::interpret_header): Likewise.
143	(Archive::const_iterator::read_next_header): Likewise.
144	* archive.h (Archive::sym64name): New const.
145	(Archive::read_armap): Add mapsize template parameter.
146
1472015-10-28  Marcin Kościelnicki  <koriakin@0x04.net>
148
149	* dynobj.cc (Dynobj::create_elf_hash_table): Create hash table with
150	target-specific entry size.
151	(Dynobj::sized_create_elf_hash_table): Add size template parameter.
152	* dynobj.h (Dynobj::sized_create_elf_hash_table): Likewise.
153	* layout.cc (Layout::create_dynamic_symtab): Set entsize to
154	hash_entry_size.
155	* target.h (Target::hash_entry_size): New method.
156	(Target::Target_info::hash_entry_size): New data member.
157
158	* aarch64.cc (Target_aarch64::aarch64_info): Add hash_entry_size.
159	* arm.cc (Target_arm::arm_info): Likewise.
160	(Target_arm_nacl::arm_nacl_info): Likewise.
161	* i386.cc (Target_i386::i386_info): Likewise.
162	(Target_i386_nacl::i386_nacl_info): Likewise.
163	(Target_iamcu::iamcu_info): Likewise.
164	* mips.cc (Target_mips::mips_info): Likewise.
165	(Target_mips_nacl::mips_nacl_info): Likewise.
166	* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
167	* sparc.cc (Target_sparc::sparc_info): Likewise.
168	* tilegx.cc (Target_tilegx::tilegx_info): Likewise.
169	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
170	(Target_x86_64_nacl::x86_64_nacl_info): Likewise.
171	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
172
1732015-10-28  H.J. Lu  <hongjiu.lu@intel.com>
174
175	PR gold/19177
176	* i386.cc (Target_i386::Relocate::relocate): Check R_386_GOT32
177	and R_386_GOT32X relocations without base register.
178
1792015-10.27  Han Shen  <shenhan@google.com>
180
181	PR gold/19042 - unsupported reloc 311/312.
182
183	* aarch64.cc (Target_aarch64::Scan::local): Add support for
184	reloc 311/312.
185
1862015-10-22  H.J. Lu  <hongjiu.lu@intel.com>
187
188	* x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
189	Treat R_X86_64_GOTPCRELX and R_X86_64_REX_GOTPCRELX the same
190	as R_X86_64_GOTPCREL.
191	(Target_x86_64<size>::Scan::local): Likewise.
192	(Target_x86_64<size>::Scan::possible_function_pointer_reloc):
193	Likewise.
194	(Target_x86_64<size>::Scan::global): Likewise.
195	(Target_x86_64<size>::Relocate::relocate): Likewise.
196	(Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
197	Likewise.
198
1992015-10-22  H.J. Lu  <hongjiu.lu@intel.com>
200
201	* i386.cc (Target_i386::Scan::get_reference_flags(): Treat
202	R_386_GOT32X the same as R_386_GOT32.
203	(Target_i386::Scan::local): Likewise.
204	(Target_i386::Scan::possible_function_pointer_reloc): Likewise.
205	(Target_i386::Scan::global): Likewise.
206	(Target_i386::Relocate::relocate): Likewise.
207	(Target_i386::Relocatable_size_for_reloc::get_size_for_reloc):
208	Likewise.
209
2102015-10-20  H.J. Lu  <hongjiu.lu@intel.com>
211
212	* testsuite/Makefile.am (x86_64_mov_to_lea11): Replace
213	x86_64_mov_to_lea1.o with x86_64_mov_to_lea2.o.
214	(x86_64_mov_to_lea12): Replace x86_64_mov_to_lea2.o with
215	x86_64_mov_to_lea1.o.
216	* testsuite/Makefile.in: Regenerated.
217
2182015-10-16  H.J. Lu  <hongjiu.lu@intel.com>
219
220	PR gold/19119
221	* options.h (General_options): Remove "obsolete" from -m.
222	* parameters.cc (set_parameters_target): Check if input target
223	is compatible with output emulation set by "-m emulation".
224
2252015-10-13  H.J. Lu  <hongjiu.lu@intel.com>
226
227	PR gold/19118
228	* i386.cc (Target_iamcu): New class.
229	(Target_selector_iamcu): Likewise.
230	(Target_iamcu::iamcu_info): New variable.
231	(target_selector_iamcu): Likewise.
232
2332015-10-07  Andreas Schwab  <schwab@suse.de>
234
235	* aarch64.cc (aarch64_info): Set abi_pagesize to 64K.
236
2372015-10-06  Cary Coutant  <ccoutant@gmail.com>
238
239	PR gold/18855
240	* sparc.cc (Sparc_relocate_functions::gdop_hix22): Remove addend
241	parameter.
242	(Sparc_relocate_functions::gdop_lox10): Likewise.
243	(Target_sparc::Relocate::relocate): Use addend when computing
244	symbol value for R_SPARC_GOTDATA_OP*.
245
2462015-09-07  Cary Coutant  <ccoutant@gmail.com>
247
248	PR gold/18930
249	PR gold/18886
250	* resolve.cc (Symbol::override_base): Don't convert IFUNC symbols here.
251	* symtab.cc (Symbol_table::add_from_dynobj): Convert them here instead.
252
2532015-09-02  H.J. Lu  <hongjiu.lu@intel.com>
254
255	PR gold/18886
256	* resolve.cc (Symbol::override_base): Turn IFUNC symbols from
257	shared libraries into normal FUNC symbols.
258	* symtab.cc (Symbol_table::sized_write_symbol): Assert IFUNC
259	symbols aren't from shared libraries.
260
2612015-09-02  Alan Modra  <amodra@gmail.com>
262
263	PR 18878
264	* powerpc.cc (Target_powerpc): Add savres_section_ and accessor.
265	(Target_powerpc::Branch_info::make_stub): Determine whether long
266	branch stub is for save/restore function.
267	(Branch_stub_ent): Add save_res_, and extra parm to constructor.
268	(Stub_table): Add need_save_res_.
269	(Stub_table:clear_stubs): Clear need_save_res_.
270	(Stub_table:set_address_and_size): Add save/restore section size.
271	(Stub_table::add_long_branch_entry): Add save_res param.  Set
272	need_save_res_, but don't add space for save/restore stubs.
273	(Stub_table::find_long_branch_entry): Return offset to local copy
274	of save/restore func.
275	(Stub_table::do_write): Don't output save/restore stubs.  Instead
276	copy the save/restore functions.
277	(Output_data_save_res:contents): New accessor.
278	(Target_powerpc::define_save_restore_funcs): Set savres_section_.
279
2802015-08-25  Cary Coutant  <ccoutant@gmail.com>
281
282	PR gold/18847
283	* script-sections.cc (Memory_region::set_address): New method.
284	(Script_sections::find_memory_region): Add explicit_only parameter.
285	(Output_section_definition::set_section_addresses): Handle case where
286	script specifies both address and vma region.
287	* script-sections.h (Script_sections::find_memory_region): Add
288	explicit_only parameter.
289
2902015-08-25  Cary Coutant  <ccoutant@gmail.com>
291
292	PR gold/18859
293	* object.cc (Input_objects::add_object): Store objects in a map,
294	indexed by soname; update as-needed flag when necessary.
295	* object.h (Object::clear_as_needed): New method.
296	(Input_objects::so_names_): Change from set to map.
297
2982015-08-25  Cary Coutant  <ccoutant@gmail.com>
299
300	PR gold/14746
301	* expression.cc (Expression::Expression_eval_info): Add
302	is_valid_pointer field.
303	(Expression::eval_maybe_dot): Add is_valid_pointer parameter.
304	Adjust all callers.
305	(Addr_expression::value_from_output_section): Check whether address
306	is valid.
307	* script.cc (Symbol_assignment::set_if_absolute): Defer assignment
308	if evaluation failed due to address that is not yet valid.
309	* script.h: (Expression::eval_maybe_dot): Add is_valid_pointer
310	parameter.
311
3122015-08-25  Cary Coutant  <ccoutant@gmail.com>
313
314	PR gold/18866
315	PR gold/18703
316	* symtab.cc (Symbol_table): Reorder conditions to avoid internal error.
317
3182015-08-20  Alan Modra  <amodra@gmail.com>
319
320	PR gold/18846
321	* target-reloc.h (relocate_relocs <RELOC_ADJUST_FOR_SECTION_RELA>):
322	Subtract os->address() from addend.
323	* powerpc.cc (relocate_relocs): Likewise.
324
3252015-08-12  Simon Dardis  <simon.dardis@imgtec.com>
326
327	* mips.cc (plt0_entry_o32, plt0_entry_n32, plt0_entry_n64,
328	lazy_stub_normal_1, lazy_stub_normal_1_n64,
329	lazy_stub_normal_2, lazy_stub_normal_2_n64, lazy_stub_big,
330	lazy_stub_big_n64, lazy_stub_micromips32_normal_1_n64,
331	lazy_stub_micromips32_normal_2_n64, lazy_stub_micromips32_big,
332	lazy_stub_micromips32_big_n64): Update to use 'or' for move instead
333	of 'addu/daddu'.
334
3352015-07-27  H.J. Lu  <hongjiu.lu@intel.com>
336
337	* configure: Regenerated.
338
3392015-07-26  Doug Kwan  <dougkwan@google.com>
340
341	* testsuite/arm_unaligned_reloc.{s,sh}: Make test less sensitive to
342	  disassembler output format.
343
3442015-07-23  Ian Coolidge  <icoolidge@google.com>
345	Plumb --pic-veneer option for gold.
346
347	* arm.cc (Reloc_stub::stub_type_for_reloc): Plumb to stub
348	generation.
349	* options.h (General_options): Add --pic-veneer option.
350
3512015-07-22  H.J. Lu  <hongjiu.lu@intel.com>
352
353	PR gold/18663
354	* testsuite/Makefile.am (script_test_1_SOURCES): Set to
355	script_test_1a.cc script_test_1b.cc.
356	(script_test_11_r.o): Replace script_test_11.o with
357	script_test_11a.o script_test_11b.o.
358	(script_test_11.o): Removed.
359	(script_test_11a.o): New.
360	(script_test_11b.o): Likewise.
361	* testsuite/Makefile.in: Regenerated.
362	* testsuite/script_test_1.h: New file.
363	* testsuite/script_test_1b.cc: Likewise.
364	* testsuite/script_test_11.h: Likewise.
365	* testsuite/script_test_11b.c: Likewise.
366	* testsuite/script_test_1.cc: Renamed to ...
367	* testsuite/script_test_1a.cc: This.
368	Include "script_test_1.h".
369	(main): Call check_int and check_ptr.
370	* testsuite/script_test_11.c: Renamed to ...
371	* testsuite/script_test_11a.c: This.
372	Include "script_test_11.h".
373	(main): Call ptr_equal.
374
3752015-07-22  H.J. Lu  <hongjiu.lu@intel.com>
376
377	PR gold/18628
378	* testsuite/ifuncdep2.c (global): Change protected to hidden.
379	* testsuite/ifuncmod1.c (global): Likewise.
380	* testsuite/ifuncmod5.c (global): Likewise.
381
3822015-07-22  Alan Modra  <amodra@gmail.com>
383
384	* aarch64.cc (try_fix_erratum_843419_optimized): Warning fix.
385
3862015-07-21  Cary Coutant  <ccoutant@gmail.com>
387
388	PR gold/18548
389	* symtab.cc (Symbol_table::do_define_in_output_data): Check for
390	forced local symbol even when oldsym != NULL.
391	(Symbol_table::do_define_in_output_segment): Likewise.
392	(Symbol_table::do_define_as_constant): Likewise.
393
3942015-07-21  Cary Coutant  <ccoutant@gmail.com>
395
396	PR gold/18698
397	* archive.cc (Library_base::should_include_member): Don't use entry
398	point for relocatable links, or if target is not yet valid.
399	* parameters.cc (Parameters::entry): Check target_valid().
400
4012015-07-20  Han Shen  <shenhan@google.com>
402
403	Optimize erratum 843419 fix.
404
405	* aarch64.cc (AArch64_insn_utilities::is_adr): New method.
406	(AArch64_insn_utilities::aarch64_adr_encode_imm): New method.
407	(AArch64_insn_utilities::aarch64_adrp_decode_imm): New method.
408	(E843419_stub): New sub-class of Erratum_stub.
409	(AArch64_relobj::try_fix_erratum_843419_optimized): New method.
410	(AArch64_relobj::section_needs_reloc_stub_scanning): Try optimized fix.
411	(AArch64_relobj::create_erratum_stub): Add 1 argument.
412	(Target_aarch64::scan_erratum_843419_span): Pass in adrp insn offset.
413
4142015-07-20  Han Shen  <shenhan@google.com>
415
416	Fix arm elf header flags wrt hardfp bit.
417
418	* arm.cc (Target_arm::do_adjust_elf_header): Set flags into view.
419
4202015-07-20  H.J. Lu  <hongjiu.lu@intel.com>
421
422	PR gold/18689
423	* layout.cc (Layout::layout): Clear the SHF_COMPRESSED flag bit
424	from input group section for relocatable link.
425	* testsuite/Makefile.am (check_SCRIPTS): Add pr18689.sh.
426	(check_DATA): Add pr18689.stdout.
427	(MOSTLYCLEANFILES): Add pr18689a.o pr18689b.o.
428	(pr18689.stdout): New rule.
429	(pr18689a.o): Likewise.
430	(pr18689b.o): Likewise.
431	(pr18689.o): Likewise.
432	* testsuite/pr18689.c: New file.
433	* testsuite/pr18689.sh: Likewise.
434	* testsuite/Makefile.in: Regenerated.
435
4362015-07-20  Yiran Wang  <yiran@google.com>
437	Cary Coutant  <ccoutant@gmail.com>
438
439	PR gold/15574
440	* resolve.cc (Symbol_table): Remove warning about references
441	from shared objects to hidden symbols.
442	* testsuite/Makefile.am (hidden_test): Add hidden_test.syms.
443	* testsuite/Makefile.in: Regenerate.
444	* testsuite/hidden_test.sh: Check dynamic symbol table; update
445	expected error messages.
446
4472015-07-14  H.J. Lu  <hongjiu.lu@intel.com>
448
449	* compressed_output.cc (Output_compressed_section::set_final_data_size):
450	Make --compress-debug-sections=zlib the same as
451	--compress-debug-sections=zlib-gabi.
452	* testsuite/Makefile.am (flagstest_compress_debug_sections.check):
453	Expect ".debug_.*" with the SHF_COMPRESSED bit, instead of
454	".zdebug_".
455	* testsuite/Makefile.in: Regenerated.
456
4572015-07-12  H.J. Lu  <hongjiu.lu@intel.com>
458
459	PR gold/18322
460	* compressed_output.cc (zlib_compress): Add argument for
461	compression header size.  Set header size to compression header
462	size if it isn't 0.  Don't write out the zlib header here.
463	(Output_compressed_section::set_final_data_size): Support
464	zlib-gnu and zlib-gabi compressions.  Pass compression header
465	size to zlib_compress and write out compression header.  Set
466	the SHF_COMPRESSED bit for zlib-gabi compression.  Otherwise
467	clear the SHF_COMPRESSED bit
468	* options.h (compress_debug_sections): Add zlib-gnu and
469	zlib-gabi.
470	* output.h (Output_section::set_flags): New.
471	* testsuite/Makefile.am (check_PROGRAMS): Add
472	flagstest_compress_debug_sections_none,
473	flagstest_compress_debug_sections_gnu and
474	flagstest_compress_debug_sections_gabi.
475	(check_DATA): Add flagstest_compress_debug_sections_none.stdout.
476	flagstest_compress_debug_sections.stdout,
477	flagstest_compress_debug_sections.cmp,
478	flagstest_compress_debug_sections.check,
479	flagstest_compress_debug_sections_gnu.stdout,
480	flagstest_compress_debug_sections_gnu.cmp,
481	flagstest_compress_debug_sections_gnu.check,
482	flagstest_compress_debug_sections_gabi.stdout,
483	flagstest_compress_debug_sections_gabi.cmp and
484	flagstest_compress_debug_sections_gabi.check.
485	(flagstest_compress_debug_sections_none): New.
486	(flagstest_compress_debug_sections_none.stdout): Likewise.
487	(flagstest_compress_debug_sections.stdout): Likewise.
488	(flagstest_compress_debug_sections.check): Likewise.
489	(flagstest_compress_debug_sections.cmp): Likewise.
490	(flagstest_compress_debug_sections_gnu): Likewise.
491	(flagstest_compress_debug_sections_gnu.stdout): Likewise.
492	(flagstest_compress_debug_sections_gnu.check): Likewise.
493	(flagstest_compress_debug_sections_gnu.cmp): Likewise.
494	(flagstest_compress_debug_sections_gabi): Likewise.
495	(flagstest_compress_debug_sections_gabi.stdout): Likewise.
496	(flagstest_compress_debug_sections_gnu.check): Likewise.
497	(flagstest_compress_debug_sections_gnu.cmp): Likewise.
498	* testsuite/Makefile.in: Regenerated.
499
5002015-07-12  H.J. Lu  <hongjiu.lu@intel.com>
501
502	PR gold/18321
503	* compressed_output.h (decompress_input_section): Add arguments
504	for ELF class, big endian and sh_flags.
505	* compressed_output.cc (decompress_input_section): Likewise.
506	Support the SHF_COMPRESSED section.
507	* dynobj.h (Dynobj): Add elfsize and is_big_endian member
508	functions.
509	* plugin.h (Pluginobj): Likewise.
510	* layout.cc (Layout::get_output_section_flags): Also clear the
511	SHF_COMPRESSED bit.
512	* object.h (Compressed_section_info): Add flag to store sh_flags.
513	(Object): Add pure virtual elfsize and is_big_endian member
514	functions.
515	* object.cc (need_decompressed_section): Don't skip the ".zdebug"
516	prefix here.
517	(build_compressed_section_map): Check SHF_COMPRESSED for
518	uncompressed size.  Store sh_flags in Compressed_section_info.
519	Pass size, big_endian and sh_flags to decompress_input_section.
520	Skip the ".debug"/".zdebug" prefix when passing section name to
521	need_decompressed_section.
522	(Sized_relobj_file<size, big_endian>::do_find_special_section):
523	Don't check ".zdebug_*" sections.
524	(Object::decompressed_section_contents): Pass ELF class, big
525	endian and sh_flags to decompress_input_section.
526	* reloc.cc (Sized_relobj_file<size, big_endian>::write_sections):
527	Likewise.
528	* testsuite/Makefile.am (check_DATA): Add
529	debug_msg_cdebug_gabi.err and gdb_index_test_2_gabi.stdout.
530	(MOSTLYCLEANFILES): Add debug_msg_cdebug_gabi.err and
531	gdb_index_test_2_gabi.stdout.
532	(debug_msg_cdebug_gabi.o): New.
533	(odr_violation1_cdebug_gabi.o): Likewise.
534	(odr_violation2_cdebug_gabi.o): Likewise.
535	(debug_msg_cdebug_gabi.err): Likewise.
536	(check_SCRIPTS): Add gdb_index_test_2_gabi.sh.
537	(gdb_index_test_cdebug_gabi.o): Likewise.
538	(gdb_index_test_2_gabi): Likewise.
539	(gdb_index_test_2_gabi.stdout): Likewise.
540	* testsuite/gdb_index_test_2_gabi.sh: New file.
541	* testsuite/Makefile.in: Regenerated.
542
5432015-07-09  Han Shen  <shenhan@google.com>
544
545	Use "gold_info" instead of "gold_warning" for erratum fix.
546
547	* aarch64.cc (Target_aarch64::scan_erratum_843419_span): Use
548	'gold_info'.
549	(Target_aarch64::scan_erratum_835769_span): USe 'gold_info'.
550
5512015-07-09  Han Shen  <shenhan@google.com>
552
553	Drop missing symbol warning for arm/aarch64.
554
555	* aarch64.cc (AArch64_relobj::scan_errata): Drop missing symbol warning.
556	* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Drop missing
557	symbol warning.
558
5592015-07-07  Han Shen  <shenhan@google.com>
560
561	Make gold aarch64 accept long form of mapping symbols.
562
563	* aarch64.cc (AArch64_relobj::do_count_local_symbols): Make legal
564	of mapping symbols.
565
5662015-06-29  Doug Kwan  <dougkwan@google.com>
567
568	* testsuite/arm_bl_out_of_range.s: Align stub table so that it appears
569	  at address expected by test.
570	* testsuite/arm_cortex_a8_b.s: Ditto.
571	* testsuite/arm_cortex_a8_b_cond.s: Ditto.
572	* testsuite/arm_cortex_a8_bl.s: Ditto.
573	* testsuite/arm_cortex_a8_blx.s: Ditto.
574	* testsuite/arm_cortex_a8_local.s: Ditto.
575	* testsuite/arm_fix_v4bx.s: Ditto.
576	* testsuite/arm_unaligned_reloc.s: Ditto.
577	* testsuite/thumb_bl_out_of_range.s: Ditto.
578	* testsuite/thumb_bl_out_of_range_local.s: Ditto.
579	* testsuite/thumb_blx_out_of_range.s: Ditto.
580
5812015-06-29  Han Shen  <shenhan@google.com>
582
583	Patch for erratum 843419 internal error.
584
585	* aarch64.cc (Erratum_stub::Insn_utilities): New typedef.
586	(Erratum_stub::update_erratum_insn): New method.
587	(Stub_table::relocate_stubs): Modified to place relocated insn.
588	(AArch64_relobj::fix_errata): Modified gold_assert.
589
5902015-06-12  Han Shen  <shenhan@google.com>
591
592	Fix erratum 835769.
593
594	* aarch64.cc (AArch64_insn_utilities::BYTES_PER_INSN): Move
595	defintion outside class definition.
596	(AArch64_insn_utilities::AARCH64_ZR): New static constant.
597	(AArch64_insn_utilities::aarch64_op31): New member.
598	(AArch64_insn_utilities::aarch64_ra): New member.
599	(AArch64_insn_utilities::aarch64_mac): New member.
600	(AArch64_insn_utilities::aarch64_mlxl): New member.
601	(ST_E_835769): New global enum member.
602	(Stub_table::relocate_stubs): Add 835769 handler.
603	(Stub_template_repertoire::Stub_template_repertoire): Install new
604	stub type.
605	(AArch64_relobj::scan_errata): This func is renamed from
606	scan_erratum_843419.
607	(AArch64_relobj::do_count_local_symbols): Add 835769 handler.
608	(AArch64_relobj::do_relocate_sections): Add 835769 handler.
609	(AArch64_relobj::scan_sections_for_stubs): Add 835769 handler.
610	(Target_aarch64::scan_erratum_835769_span): New method.
611	(Target_aarch64::create_erratum_stub): New method.
612	(Target_aarch64::is_erratum_835769_sequence): New method.
613	(Target_aarch64::scan_erratum_843419_sequence): Move part of the
614	code into create_erratum_stub.
615	* options.h (fix_cortex_a53_835769): New option.
616
6172015-06-11  Cary Coutant  <ccoutant@gmail.com>
618
619	* aarch64.cc (Erratum_stub::STUB_ADDR_ALIGN): Move initialization
620	outside class body.
621	(Reloc_stub::STUB_ADDR_ALIGN): Likewise.
622
6232015-06-11  Cary Coutant  <ccoutant@gmail.com>
624
625	PR gold/17731
626	* layout.cc (corresponding_uncompressed_section_name): New function.
627	(Layout::choose_output_section): Call it.
628	* layout.h (corresponding_uncompressed_section_name): New function.
629	* script-sections.cc (Input_section_info::set_section_name): Check
630	for compressed debug section (.zdebug style).
631
6322015-06-11  Jing Yu  <jingyu@google.com>
633
634	* testsuite/Makefile.am: Add -O0 for script_test_12 test.
635	* testsuite/Makefile.in: Regenerate.
636
6372015-06-11  Davide Italiano  <dccitaliano@gmail.com>
638
639	* gold.h (is_cident): Correct typo.
640
6412015-06-10  Han Shen  <shenhan@google.com>
642	Patch for erratum-843419 (2 of 2 - fix erratum occurrences).
643
644	Now fixing for 843419 is fully functional.
645
646	The first part of the erratum fix CL is here -
647	https://sourceware.org/ml/binutils/2015-04/msg00229.html
648
649	* aarch64.cc(global enum): New constants representing stub types.
650	(Stub_template): New POD struct.
651	(Stub_template_repertoire): New class.
652	(Stub_base): New class.
653	(Erratum_stub): New class.
654	(Reloc_stub): Refactored to be a subclass of Stub_base.
655	(Reloc_stub::Stub_type): Removed.
656	(Reloc_stub::offset): Moved to Stub_base.
657	(Reloc_stub::set_offset): Moved to Stub_base.
658	(Reloc_stub::destination_address): Moved to Stub_base.
659	(Reloc_stub::set_destination_address): Moved to Stub_base.
660	(Reloc_stub::reset_destination_address): Moved to Stub_base.
661	(Reloc_stub::stub_type): Renamed and moved to Stub_base.
662	(Reloc_stub::stub_size): Renamed and moved to Stub_base.
663	(Reloc_stub::stub_insns): Renamed and moved to Stub_base.
664	(Reloc_stub::write): Moved to Stub_base.
665	(Reloc_stub::invalid_offset): Moved to Stub_base.
666	(Reloc_stub::invalid_address): Moved to Stub_base.
667	(Reloc_stub::stub_type_): Renamed and moved to Stub_base.
668	(Reloc_stub::stub_insns_): Moved to Stub_base.
669	(Reloc_stub::offset_): Moved to Stub_base.
670	(Reloc_stub::destination_address_): Moved to Stub_base.
671	(Stub_table::The_aarch64_relobj): New typedef.
672	(Stub_table::The_erratum_stub): New typedef.
673	(Stub_table::The_erratum_stub_less): New typedef.
674	(Stub_table::The_erratum_stub_set): New typedef.
675	(Stub_table::The_erratum_stub_set_iter): New typedef.
676	(Stub_table::empty): Added emptiness testing for erratum stubs.
677	(Stub_table::add_erratum_stub): New method to add an erratum stub.
678	(Stub_table::find_erratum_stub): New method.
679	(Stub_table::find_erratum_stubs_for_input_section): New method.
680	(Stub_table::erratum_stub_address): New method.
681	(Stub_table::update_date_size_changed_p): Modified to handle erratum stubs.
682	(Stub_table::do_addralign): Modified to handle erratum stubs.
683	(Stub_table::erratum_stubs_): New member.
684	(Stub_table::erratum_stub_size_): New member.
685	(Stub_table::relocate_stubs): Modified to handle erratum stubs.
686	(Stub_table::do_write): Modified to handle erratum stubs.
687	(AArch64_relobj::The_erratum_stub): New typedef.
688	(AArch64_relobj::Erratum_stub_set_iter): New typedef.
689	(AArch64_relobj::fix_errata): New method.
690	(Target_aarch64::The_reloc_stub_type): Removed.
691	(Target_aarch64::The_erratum_stub): New typede.
692	(AArch64_relocate_functions::construct_b): New method.
693
6942015-06-08  Nick Clifton  <nickc@redhat.com>
695
696	* po/fr.po: New French Translation.
697
6982015-06-07  Cary Coutant  <ccoutant@gmail.com>
699
700	PR gold/18288
701	* resolve.cc (symbol_to_bits): Remove type parameter; adjust all
702	callers. Don't use STT_COMMON to check for common symbols.
703	(Symbol_table::resolve): Warn if relocatable object has STT_COMMON
704	symbol that's not in a common section.
705	* symtab.h (Symbol::is_common): Don't use STT_COMMON to check for
706	common symbols.
707
7082015-06-04  Cary Coutant  <ccoutant@gmail.com>
709
710	PR gold/18200
711	* Makefile.am (diststuff): Add target.
712	* Makefile.in: Regenerate.
713
7142015-06-04  Cary Coutant  <ccoutant@gmail.com>
715
716	PR gold/17498
717	* object.cc (Sized_relobj_file::do_count_local_symbols): Discard
718	temporary locals in merge sections.
719	* options.cc (General_options::parse_discard_all): New method.
720	(General_options::parse_discard_locals): New method.
721	(General_options::parse_discard_none): New method.
722	(General_options::General_options): Initialize discard_locals_.
723	* options.h (--discard-all): Convert to special option.
724	(--discard-locals): Likewise.
725	(--discard-none): New option.
726	(General_options::discard_all): New method.
727	(General_options::discard_locals): New method.
728	(General_options::discard_sec_merge): New method.
729	(General_options::Discard_locals): New enum.
730	(General_options::discard_locals_): New data member.
731
7322015-06-03  Cary Coutant  <cary@google.com>
733
734	* script-sections.cc (Script_sections::Script_sections): Initialize
735	segments_created_.
736	(Script_sections::create_note_and_tls_segments): Set flag when
737	segments are created.
738	(Script_sections::expected_segment_count): Count PT_INTERP.
739	(Script_sections::attach_sections_using_phdrs_clause): Set flag when
740	segments are created.
741	* script-sections.h (Script_sections::segments_created_): New data
742	member.
743
7442015-06-03  Cary Coutant  <ccoutant@gmail.com>
745
746	PR gold/15370
747	* script-sections.cc
748	(Output_section_element_input::set_section_addresses): When there
749	are several patterns with no sort spec, put all sections in the same
750	bin.
751	* testsuite/Makefile.am (script_test_12): New testcase.
752	(script_test_12i): New testcase.
753	* testsuite/Makefile.in: Regenerate.
754	* testsuite/script_test_12.t: New test linker script.
755	* testsuite/script_test_12i.t: New test linker script.
756	* testsuite/script_test_12a.c: New test source file.
757	* testsuite/script_test_12b.c: New test source file.
758
7592015-06-02  Cary Coutant  <ccoutant@gmail.com>
760
761	* nacl.h (Sniff_file): Switch parameters to get_view to get an
762	aligned view.
763
7642015-06-03  Cary Coutant  <ccoutant@gmail.com>
765
766	PR gold/17819
767	* gold.cc (queue_final_tasks): When --build-id=tree, queue a
768	separate task to schedule the build id computation.
769	* layout.cc (Hash_task::Hash_task): Remove build_id_blocker,
770	add Output_file and offset.
771	(Hash_task::run): Get and release the input views.
772	(Hash_task::is_runnable): Always return NULL (always runnable).
773	(Layout::queue_build_id_tasks): Remove.
774	(Layout::write_build_id): Add array_of_hashes and size_of_hashes
775	parameters; use them instead of class members.
776	(Build_id_task_runner::run): New function.
777	(Close_task_runner::run): Pass array_of_hashes and size_of_hashes
778	to write_build_id.
779	* layout.h (Layout::queue_build_id_tasks): Remove.
780	(Layout::write_build_id): Add array_of_hashes and size_of_hashes
781	parameters.
782	(Layout::array_of_hashes_): Remove.
783	(Layout::size_of_array_of_hashes_): Remove.
784	(Layout::input_view_): Remove.
785	(Build_id_task_runner): New class.
786	(Close_task_runner::Close_task_runner): Add array_of_hashes and
787	size_of_hashes parameters.
788	(Close_task_runner::array_of_hashes_): New data member.
789	(Close_task_runner::size_of_hashes_): New data member.
790	* testsuite/Makefile.am
791	(flagstest_compress_debug_sections_and_build_id_tree): New test.
792	* testsuite/Makefile.in: Regenerate.
793
7942015-06-01  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
795
796	* merge.cc (get_input_merge_map): Update for data structure change.
797	(get_or_make_input_merge_map): Update for data structure change.
798	* merge.h (Object_merge_map): Use a std::vector<std::pair>> instead of
799	a std::map. Remove first_shnum_, first_map_, second_shnum_, second_map_.
800
8012015-05-16  Alan Modra  <amodra@gmail.com>
802
803	* reloc.cc (Sized_relobj_file::find_functions): Use function_location.
804	* powerpc.cc (Target_powerpc::do_calls_non_split): New function.
805	(addi_12_1, addis_2_12, addis_12_1, cmpld_7_12_0): New constants.
806	(lis_0): Rename from lis_0_0.
807
8082015-04-29  Cary Coutant  <cary@google.com>
809	    Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
810
811	* gc.h (Garbage_collection::is_section_garbage): Change Object*
812	to Relobj*.
813	(Garbage_collection::add_reference): Likewise.
814	(Garbage_collection::gc_process_relocs): Likewise. Don't push
815	object/shndx pair onto *secvec for dynamic objects. Don't follow
816	relocations pointing to dynamic objects for GC.
817	* icf.cc (Icf::find_identical_sections): Change Object* to Relobj*.
818	(Icf::unfold_section): Likewise.
819	(Icf::is_section_folded): Likewise.
820	(Icf::get_folded_section): Likewise.
821	* icf.h: (Icf::get_folded_section): Likewise.
822	(Icf::unfold_section): Likewise.
823	(Icf::is_section_folded): Likewise.
824	(Icf::section_has_function_pointers): Likewise.
825	(Icf::set_section_has_function_pointers): Likewise.
826	* object.h (Section_id): Likewise.
827	(Const_section_id): Likewise.
828	* output.cc (Output_section::update_section_layout): Likewise.
829	* output.h: (Output_section_lookup_maps::find_relaxed_input_section):
830	Likewise.
831	* plugin.cc (update_section_order): Likewise.
832	(unique_segment_for_sections): Likewise.
833	* powerpc.cc (Powerpc_relobj::add_reference): Likewise.
834	(Target_powerpc::do_gc_add_reference): Likewise.
835	(Target_powerpc::gc_process_relocs): Likewise.
836	(Target_powerpc::do_gc_add_reference): Likewise.
837	* symtab.cc (Symbol_table::is_section_folded): Likewise.
838	(Symbol_table::gc_mark_symbol): Likewise.
839	* symtab.h: (Symbol_table::is_section_folded): Likewise.
840	* target.h: (Sized_target::gc_add_reference): Likewise.
841	(Sized_target::do_gc_add_reference): Likewise.
842
8432015-04-29  Nick Clifton  <nickc@redhat.com>
844
845	* po/fi.po: Updated Finnish translation.
846
8472015-04-28  Alan Modra  <amodra@gmail.com>
848
849	* powerpc.cc (Target_powerpc::do_dynsym_value): Use Address rather
850	than unsigned int for find_global_entry result temp.  Compare
851	against invalid_address.
852	(Target_powerpc::do_plt_address_for_global): Likewise.
853	(Target_powerpc::Relocate::relocate): Likewise.  Don't assert
854	on plt call stub existence for debug info.  Do assert for plt
855	and global entry stub existence if an alloc section.
856
8572015-04-28  Alan Modra  <amodra@gmail.com>
858
859	* powerpc.cc (Target_powerpc::Relocate::relocate): Don't assert
860	on missing global entry stub due to bogus debug info.
861
8622015-04-27  Han Shen  <shenhan@google.com>
863
864	* options.h (--fix-cortex-a53-843419): Rename option.
865	* aarch64.cc (AArch64_relobj::do_count_local_symbols): Use renamed
866	option.
867	(AArch64_relobj::scan_sections_for_stubs): Use renamed option.
868
8692015-04-27  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
870
871	PR gold/18327
872	* output.cc (Output_section::is_input_address_mapped): Assume a missing
873	entry is mapped.
874	* testsuite/Makefile.am: Add the eh_test test.
875	* testsuite/Makefile.in: Regenerate.
876	* testsuite/eh_test_a.cc: New test.
877	* testsuite/eh_test_b.cc: New test.
878
8792015-04-23  Sriraman Tallam  <tmsriram@google.com>
880
881	* options.h (--weak-unresolved-symbols): New option.
882	* symtab.cc (Symbol_table::sized_write_globals): Change symbol
883	binding to weak with new option.
884	* symtab.h (is_weak_undefined): Check for new option.
885	(is_strong_undefined): Check for new option.
886	* testsuite/Makefile.am (weak_unresolved_symbols_test): New test.
887	* testsuite/Makefile.in: Regenerate.
888	* testsuite/weak_unresolved_symbols_test.cc: New file.
889
8902015-04-20  Ian Coolidge  <icoolidge@google.com>
891
892	* symtab.cc (Symbol::should_add_dynsym_entry): Return true for
893	GNU_UNIQUE.
894
8952015-04-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
896
897	* gc.cc (Garbage_collection::do_transitive_closure): Use back and
898	push_back.
899	* gc.h (Garbage_collection): Use a std::vector instead of a std::queue.
900	* object.cc (Sized_relobj_file::do_layout): Use push_back.
901	* powerpc.cc (process_gc_mark): Use push_back.
902	(Target_powerpc::do_gc_mark_symbol): Use push_back.
903	* symtab.cc (Symbol_table::gc_mark_symbol): Use push_back.
904
9052015-04-16  Han Shen  <shenhan@google.com>
906
907	* aarch64.cc (AArch64_insn_utilities): New utility class.
908	(AArch64_relobj::Mapping_symbol_position): New struct.
909	(AArch64_relobj::Mapping_symbol_info): New typedef.
910	(AArch64_relobj::do_count_local_symbols): New function overriding
911	parent's implementation.
912	(AArch64_relobj::mapping_symbol_info_): New member
913	(AArch64_relobj::scan_erratum_843419): New method.
914	(Target_aarch64::scan_erratum_843419_span): New method.
915	(Target_aarch64::is_erratum_843419_sequence): New method.
916	* options.h (fix_cortex_a53): New option.
917
9182015-04-09  Cary Coutant  <ccoutant@google.com>
919
920	* symtab.cc (Symbol::final_value_is_known): Check for TLS symbol
921	in a PIE link.
922	* testsuite/Makefile.am (tls_pie_test.sh): New test.
923	* testsuite/Makefile.in: Regenerate.
924	* testsuite/tls_pie_test.sh: New.
925
9262015-04-09  Cary Coutant  <ccoutant@google.com>
927
928	* debug.h (DEBUG_LOCATION): New.
929	(DEBUG_ALL): Include DEBUG_LOCATION.
930	(debug_string_to_enum): Add DEBUG_LOCATION.
931	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Fix debug
932	output to print correct context.
933	(Sized_dwarf_line_info::do_addr2line): Add debug output. Return
934	up to 4 more locations at the beginning of the function.
935	* symtab.cc (Symbol_table::detect_odr_violations): Get canonical
936	result before sorting list of line numbers.
937	* testsuite/debug_msg.sh: Allow range of line numbers for
938	canonical results on optimized code.
939
9402015-04-07  HC Yen <hc.yen@mediatek.com>
941
942	Add AArch32 support for gold linker.
943	gold/
944	* arm.cc: Add V8 arch combine table.
945
9462015-04-06  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
947
948	* aarch64.cc (do_reloc_addend): Fix signature to match the parent one.
949
9502015-04-06  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
951
952	* gc.cc (Garbage_collection::do_transitive_closure): Avoid a call
953	to find by using the return value of insert.
954
9552015-04-06  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
956
957	* gc.cc (Garbage_collection::do_transitive_closure): Avoid a copy
958	constructor call.
959
9602015-04-06  Ilya Tocar  <ilya.tocar@intel.com>
961
962	PR gold/17641
963	* x86_64.cc (Target_x86_64::can_convert_mov_to_lea): New.
964	(Target_x86_64::Scan::local): Don't create GOT entry, when we
965	can convert mov to lea.
966	(Target_x86_64::Scan::global): Ditto.
967	(Target_x86_64::Relocate::relocate): Convert mov foo@GOTPCREL(%rip),
968	%reg to lea foo(%rip), %reg if possible.
969	* testsuite/Makefile.am (x86_64_mov_to_lea): New test.
970	* testsuite/x86_64_mov_to_lea1.s: New.
971	* testsuite/x86_64_mov_to_lea2.s: Ditto.
972	* testsuite/x86_64_mov_to_lea3.s: Ditto.
973	* testsuite/x86_64_mov_to_lea4.s: Ditto.
974	* testsuite/x86_64_mov_to_lea.sh: Ditto.
975
9762015-04-02  H.J. Lu  <hongjiu.lu@intel.com>
977
978	* configure: Regenerated.
979
9802015-04-01  Ilya Tocar  <ilya.tocar@intel.com>
981
982	PR gold/17640
983	* i386.cc (Target_i386::can_convert_mov_to_lea): New.
984	(Target_i386::Scan::local): Don't create GOT entry, when we
985	can convert GOT to GOTOFF.
986	(Target_i386::Scan::global): Ditto.
987	(Target_i386::Relocate::relocate): Convert  mov foo@GOT(%reg), %reg to
988	lea foo@GOTOFF(%reg), %reg if possible.
989	* testsuite/Makefile.am (i386_mov_to_lea): New test.
990	* testsuite/i386_mov_to_lea1.s: New.
991	* testsuite/i386_mov_to_lea2.s: Ditto.
992	* testsuite/i386_mov_to_lea3.s: Ditto.
993	* testsuite/i386_mov_to_lea4.s: Ditto.
994	* testsuite/i386_mov_to_lea5.s: Ditto.
995	* testsuite/i386_mov_to_lea.sh: Ditto.
996
9972015-04-01  H.J. Lu  <hongjiu.lu@intel.com>
998
999	* Makefile.am (ZLIB): New.
1000	(ZLIBINC): Likewise.
1001	(AM_CFLAGS): Add $(ZLIBINC).
1002	(AM_CXXFLAGS): Likewise.
1003	(ldadd_varldadd_var): Add $(ZLIB).
1004	(incremental_dump_LDADD): Likewise.
1005	(dwp_LDADD): Likewise.
1006	* compressed_output.cc: Don't check HAVE_ZLIB_H to include
1007	<zlib.h>.
1008	(zlib_compress): Don't check HAVE_ZLIB_H.
1009	(zlib_decompress): Likewise.
1010	* options.h (compress_debug_sections): Likewise.
1011	* configure.ac (AM_CONDITIONAL): Removed.
1012	* testsuite/Makefile.am (ZLIB): New.
1013	(LDADD): Add $(ZLIB).
1014	Don't check HAVE_ZLIB.
1015	* Makefile.in: Regenerated.
1016	* config.in: Likewise.
1017	* configure: Likewise.
1018	* testsuite/Makefile.in: Likewise.
1019
10202015-03-30  Jing Yu  <jingyu@google.com>
1021
1022	* aarch64-reloc.def: New TLSLD_ADD_DTPREL_HI12,
1023	TLSLD_ADD_DTPREL_LO12_NC.
1024	* aarch64.cc (Target_aarch64::define_tls_base_symbol): Always let
1025	_TLS_MODULE_BASE_ point to the start of tls segment.
1026	(Target_aarch64::optimize_tls_reloc): Add cases for
1027	R_AARCH64_TLSLD_ADD_DTPREL_HI12 and
1028	R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC.
1029	(Target_aarch64::Scan::local): Likewise.
1030	(Target_aarch64::Scan::global): Likewise.
1031	(Target_aarch64::Relocate::relocate): Likewise.
1032	(Target_aarch64::Relocate::relocate_tls): Likewise. And remove
1033	subtracting tls segment size from symbol value for TLSLD_*_DTPREL
1034	relocations.
1035
10362015-03-27  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1037
1038	* merge.cc (Object_merge_map::add_mapping): call
1039	Object_merge_map::Input_merge_map::add_mapping.
1040	(Object_merge_map::Input_merge_map::add_mapping): New.
1041	(Output_merge_data::do_add_input_section): Call
1042	get_or_make_input_merge_map before a loop.
1043	(Output_merge_string<Char_type>::finalize_merged_data): Call
1044	get_or_make_input_merge_map before a loop.
1045	* merge.h (Object_merge_map): Make Input_merge_map public.
1046	* object.cc (Relobj::add_merge_mapping): Use get_or_create_merge_map.
1047	(Relobj::get_or_create_merge_map): New.
1048	* object.h (Relobj::get_or_create_merge_map): New.
1049
10502015-03-24  Alan Modra  <amodra@gmail.com>
1051
1052	PR 18147
1053	* powerpc.cc (Target_powerpc::Relocate::relocate): Don't report
1054	relocation errors for branches to strong undefined symbols.
1055
10562015-03-23  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1057
1058	* merge.cc (Object_merge_map::get_input_merge_map): Make it const.
1059	(Object_merge_map::is_merge_section_for): Remove.
1060	(Object_merge_map::find_merge_section): New.
1061	* merge.h (Object_merge_map::is_merge_section_for): Remove.
1062	(Object_merge_map::find_merge_section): New.
1063	(Object_merge_map::get_input_merge_map): Add a const version.
1064	* object.cc (Relobj::is_merge_section_for): Remove.
1065	(Relobj::find_merge_section): New.
1066	* object.h (Relobj::is_merge_section_for): Remove.
1067	(Relobj::find_merge_section): New.
1068	* output.cc
1069	(Output_section::Input_section::is_merge_section_for): Remove.
1070	(Output_section::add_merge_input_section): Don't call
1071	add_merge_input_section.
1072	(Output_section::find_merge_section): Return const. Use
1073	object->find_merge_section.
1074	(Output_section::build_lookup_maps): Don't build a map for
1075	merge sections.
1076	(Output_section::is_input_address_mapped): Return false if
1077	section is not found.
1078	(Output_section::find_starting_output_address): Use
1079	find_merge_section instead of is_merge_section_for.
1080	(Output_section::add_script_input_section):  Don't build a map for
1081	merge sections.
1082	* output.h (Output_section_lookup_maps::merge_sections_by_id_): Remove.
1083	(Output_section_lookup_maps::find_merge_section): Remove.
1084	(Output_section_lookup_maps::add_merge_input_section) Remove.
1085	(Output_section::find_merge_section): Return const.
1086
10872015-03-22  Cary Coutant  <cary@google.com>
1088
1089	PR gold/18106
1090	* i386.cc (Target_i386::Relocate::tls_gd_to_ie): Fix support for
1091	non-SIB form of lea, with nop after the call.
1092
10932015-03-21  Cary Coutant  <cary@google.com>
1094
1095	PR gold/14217
1096	* output.cc (Output_segment::is_first_section_relro): Don't ignore
1097	.tdata section.
1098	(Output_segment::set_section_addresses): Don't align size of relro
1099	segment for .tbss.
1100
11012015-03-21  Cary Coutant  <cary@google.com>
1102
1103	PR gold/18010
1104	* stringpool.cc (Stringpool_template): Don't optimize if section
1105	alignment is greater than sizeof(char).
1106
11072015-03-21  Cary Coutant  <cary@google.com>
1108
1109	PR gold/18048
1110	* script-c.h (script_include_directive): Add first_token parameter.
1111	* script.cc (script_include_directive): Add first_token parameter, and
1112	pass it to read_script_file.
1113	* yyscript.y (PARSING_SECTIONS_BLOCK, PARSING_SECTION_CMDS)
1114	(PARSING_MEMORY_DEF): New tokens.
1115	(top): Add new productions for INCLUDE files.
1116	(file_cmd): Replace file_or_sections_cmd with copy of its productions.
1117	Pass PARSING_LINKER_SCRIPT to script_include_directive.
1118	(section_block_cmd): Likewise; pass PARSING_SECTIONS_BLOCK.
1119	(section_cmd): Pass PARSING_SECTION_CMDS.
1120	(file_or_sections_cmd): Remove.
1121	(memory_def): Pass PARSING_MEMORY_DEF.
1122	* testsuite/Makefile.am (memory_test_2): New test.
1123	* testsuite/Makefile.in: Regenerate.
1124	* testsuite/memory_test_inc.t: New script file.
1125	* testsuite/memory_test_inc_1.t.src: New script file.
1126	* testsuite/memory_test_inc_2.t.src: New script file.
1127	* testsuite/memory_test_inc_3.t.src: New script file.
1128
11292015-03-21  Cary Coutant  <cary@google.com>
1130
1131	* dwp.cc (Sized_relobj_dwo::do_section_contents): Delete.
1132	(Sized_relobj_dwo::setup): Build compressed section map.
1133	(Sized_relobj_dwo::do_decompressed_section_contents): Delete.
1134	* dynobj.cc (Sized_dynobj::base_read_symbols): Build compressed
1135	section map.
1136	* object.cc (Sized_relobj_file::Sized_relobj_file): Remove
1137	compressed_sections_ field.
1138	(build_compressed_section_map): Take Object instead of
1139	Sized_relobj_file parameter; add decompress_if_needed parameter.
1140	(Sized_relobj_file::do_find_special_sections): Store compressed
1141	section map in parent Object.
1142	(Sized_relobj_file::do_decompressed_section_contents): Move
1143	implementation to Object::decompressed_section_contents.
1144	(Sized_relobj_file::do_discard_decompressed_sections): Move
1145	implementation to Object::discard_decompressed_sections.
1146	* object.h (build_compressed_section_map): Declare.
1147	(Object::Object): Add compressed_sections_ field.
1148	(Object::section_is_compressed): Move implementation here.
1149	(Object::decompressed_section_contents): De-virtualize.
1150	(Object::discard_decompressed_sections): De-virtualize.
1151	(Object::do_section_is_compressed): Delete.
1152	(Object::do_decompressed_section_contents): Delete.
1153	(Object::set_compressed_sections): New method.
1154	(Object::compressed_sections): New method.
1155	(Object::compressed_sections_): New data member.
1156	(Compressed_section_info, Compressed_section_map): Move to top of file.
1157	(Sized_relobj_file::do_section_is_compressed): Delete.
1158	(Sized_relobj_file::do_decompressed_section_contents): Delete.
1159	(Sized_relobj_file::do_discard_decompressed_sections): Delete.
1160	(Sized_relobj_file::compressed_sections_): Move to Object class.
1161
11622015-03-21  Cary Coutant  <ccoutant@google.com>
1163
1164	PR gold/18152
1165	* gold.cc (queue_middle_tasks): Finalize .eh_frame after laying out
1166	deferred objects.
1167
11682015-03-11  Cary Coutant  <ccoutant@google.com>
1169
1170	* options.cc (General_options::finalize): Don't allow -z relro
1171	with incremental linking.
1172	* testsuite/Makefile.am (incremental_test): Add -z norelro.
1173	(incremental_test_2): Likewise.
1174	(incremental_test_3): Likewise.
1175	(incremental_test_4): Likewise.
1176	(incremental_test_5): Likewise.
1177	(incremental_test_6): Likewise.
1178	(incremental_copy_test): Likewise.
1179	(incremental_common_test_1): Likewise.
1180	(incremental_comdat_test_1): Likewise.
1181	* testsuite/Makefile.in: Regenerate.
1182
11832015-03-09  Cary Coutant  <ccoutant@google.com>
1184
1185	PR gold/14675
1186	* ehframe.cc (Eh_frame::add_ehframe_input_section): Change return type;
1187	return enum indicating whether .eh_frame section is empty, optimizable,
1188	unrecognized, or an end marker. Adjust explicit instantiations.
1189	* ehframe.h (Eh_frame::Eh_frame_section_disposition): New enum type.
1190	(Eh_frame::add_ehframe_input_section): Change return type.
1191	* gold.cc (queue_middle_tasks): Call Layout::finalize_eh_frame_section.
1192	* layout.cc (Layout::layout_eh_frame): Don't add optimized sections
1193	to the .eh_frame output section until we see the end marker.
1194	(Layout::finalize_eh_frame_section): New.
1195	* layout.h: (Layout::finalize_eh_frame_section): New.
1196
11972015-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1198
1199	* output.cc (Relobj::initialize_input_to_output_map<size>):
1200	Remove typename on elfcpp::Elf_types<size>::Elf_Addr.
1201
12022015-03-04  Cary Coutant  <ccoutant@google.com>
1203
1204	* parameters.cc (Parameters::set_target_once): Call
1205	Target::select_as_default_target just once from here...
1206	(set_parameters_target): ...instead of from here.
1207
12082015-03-04  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1209
1210	* ehframe.cc (Cie::set_output_offset): Pass in and use a
1211	Output_section_data instead of a Merge_map.
1212	(Eh_frame::Eh_frame): Don't initialize merge_map_.
1213	(Eh_frame::read_cie): Use add_merge_mapping instead of
1214	Merge_map::add_mapping.
1215	(Eh_frame::read_fde): Ditto.
1216	(Eh_frame::set_final_data_size): Use this instead of this->merge_map_.
1217	(Eh_frame::do_output_offset): Use merge_output_offset istead of
1218	merge_map_->get_output_offset.
1219	(Eh_frame::do_is_merge_section_for): Delete.
1220	* ehframe.h (Fde::add_mapping): Pass in and use a Output_section_data
1221	instead of a Merge_map.
1222	(Cie::set_output_offset): Pass in a Output_section_data instead of a
1223	Merge_map.
1224	(Eh_frame::do_is_merge_section_for): Delete.
1225	(Eh_frame::merge_map_): Delete.
1226	* merge.cc (Object_merge_map::get_or_make_input_merge_map): Pass in
1227	and use a Output_section_data instead of a Merge_map.
1228	(Object_merge_map::add_mapping): Ditto.
1229	(Object_merge_map::get_output_offset): Remove the merge_map argument.
1230	(Object_merge_map::is_merge_section_for): Pass in and use a
1231	Output_section_data instead of a Merge_map.
1232	(Merge_map): Delete.
1233	(Output_merge_base::do_output_offset): Use merge_output_offset instead
1234	of merge_map_.get_output_offset.
1235	(Output_merge_base::do_is_merge_section_for): Delete.
1236	(Output_merge_data::do_add_input_section): Use
1237	object->add_merge_mapping instead of add_mapping.
1238	(Output_merge_string<Char_type>::finalize_merged_data): Ditto.
1239	* merge.h (Merge_map): Delete forward declaration.
1240	(Object_merge_map::add_mapping): Pass in and use a Output_section_data
1241	instead of a Merge_map.
1242	(Object_merge_map::get_output_offset): Remove the merge_map argument.
1243	(Object_merge_map::is_merge_section_for): Pass in and use a
1244	Output_section_data instead of a Merge_map.
1245	(Input_merge_map::Object_merge_map::merge_map): Replace with
1246	output_data.
1247	(Object_merge_map::get_or_make_input_merge_map): Pass in and use a
1248	Output_section_data instead of a Merge_map.
1249	(Merge_map): Delete.
1250	(Output_merge_base::Output_merge_base): Don't initialize merge_map_.
1251	(Output_merge_base::do_is_merge_section_for): Delete.
1252	(Output_merge_base::add_mapping): Delete.
1253	(Output_merge_base::merge_map_): Delete.
1254	* object.cc (Relobj::initialize_input_to_output_map): New.
1255	(Relobj::initialize_input_to_output_map): New.
1256	(Relobj::merge_output_offset): New.
1257	(Relobj::is_merge_section_for): New.
1258	(Relobj::initialize_input_to_output_map): Instantiate for 32 and 64
1259	bits.
1260	* object.h (Relobj::merge_map): Delete.
1261	(initialize_input_to_output_map): New.
1262	(set_merge_map): Delete.
1263	(add_merge_mapping): New.
1264	(merge_output_offset): New.
1265	(is_merge_section_for): New.
1266	* output.cc (Output_section::Input_section::is_merge_section_for):
1267	Use object->is_merge_section_for.
1268	* output.h (Output_section_data::is_merge_section_for): Delete.
1269	(Output_section_data::do_is_merge_section_for): Delete.
1270	* reloc.cc (Merged_symbol_value<size>::initialize_input_to_output_map):
1271	Use object->initialize_input_to_output_map.
1272	(Merged_symbol_value<size>::value_from_output_section): Use
1273	object->merge_output_offset.
1274
12752015-03-02  Peter Collingbourne  <pcc@google.com>
1276	    Cary Coutant  <ccoutant@google.com>
1277
1278	* output.cc (Output_section::add_merge_input_section): Do not
1279	attempt to merge sections with an entsize of 0.
1280
12812015-03-02  Khem Raj  <raj.khem@gmail.com>
1282
1283	* attributes.h (class Output_attributes_section_data ): Add
1284	do_print_to_mapfile function.
1285
12862015-02-24  Alan Modra  <amodra@gmail.com>
1287
1288	PR 18010
1289	* powerpc.cc (Powerpc_relocate_functions::addr16_ds): Always
1290	complain if value is not a multiple of four.
1291	(Target_powerpc::Relocate::relocate): Correct handling of
1292	R_POWERPC_GOT_TPREL16 and R_POWERPC_GOT_TPREL16_LO for ppc64.
1293
12942015-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1295
1296	* configure.ac (default_size): Set to 32 for x32.
1297	* configure: Regenerated.
1298
12992015-02-18  Alan Modra  <amodra@gmail.com>
1300
1301	PR 17954
1302	* powerpc.cc (Global_symbol_visitor_opd::operator()): Set default
1303	visibility.
1304
13052015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1306
1307	* gc.h (Garbage_collection::add_reference): Don't use find.
1308
13092015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1310
1311	* object.cc (write_local_symbols): avoid std::vector copy.
1312
13132015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1314
1315	* merge.cc (get_output_offset): Use upper_bound instead of lower_bound.
1316
13172015-02-09  Mark Wielaard  <mjw@redhat.com>
1318
1319	* gdb-index.cc (Gdb_index_info_reader::visit_top_die): Recognize
1320	DW_LANG_Fortran03 and DW_LANG_Fortran08.
1321
13222015-02-16  Cary Coutant  <ccoutant@google.com>
1323
1324	PR gold/13577
1325	PR gold/16992
1326	* layout.cc (Layout::finish_dynamic_section): Don't set DT_SYMBOLIC or
1327	DF_SYMBOLIC if --dynamic-list option is used.
1328	* options.cc (General_options::finalize): --dynamic-list is not
1329	mutually exclusive with -Bsymbolic.
1330	* symtab.h (Symbol::is_preemptible): Don't exclude dynamic symbols not
1331	listed in --dynamic-list.
1332	* testsuite/Makefile.am (dynamic_list_lib2.so): Add
1333	-Bsymbolic-functions.
1334	* testsuite/Makefile.in: Regenerate.
1335
13362015-02-16  Cary Coutant  <ccoutant@google.com>
1337
1338	PR gold/17971
1339	* incremental.cc: Remove redundant include of "output.h".
1340
13412015-02-12  Jing Yu  <jingyu@google.com>
1342
1343	* aarch64-reloc.def (TLSLE_MOVW_TPREL_G2, TLSLE_MOVW_TPREL_G1,
1344	TLSLE_MOVW_TPREL_G1_NC, TLSLE_MOVW_TPREL_G0, TLSLE_MOVW_TPREL_G0_NC,):
1345	New relocation.
1346	* aarch64.cc (Target_aarch64::Scan::local): Add cases for new
1347	TLSLE_MOVW_* relocations.
1348	(Target_aarch64::Scan::global): Likewise.
1349	(Target_aarch64::Relocate::relocate): Likewise.
1350	(Target_aarch64::Relocate::relocate_tls): Add cases and handlings
1351	for new TLSLE_MOVW_* relocations.
1352
13532015-02-11  Will Newton  <will.newton@linaro.org>
1354
1355	PR gold/13321
1356	* arm.cc (Target_arm::make_plt_section): Create an ARM
1357	state mapping symbol at the start of the PLT.
1358
13592015-02-09  H.J. Lu  <hongjiu.lu@intel.com>
1360
1361	* testsuite/Makefile.am (two_file_shared_2_pic_1_test_DEPENDENCIES):
1362	Replace two_file_shared_2.so with two_file_shared_1.so.
1363	* testsuite/Makefile.in: Regenerated.
1364
13652015-02-09  Alan Modra  <amodra@gmail.com>
1366
1367	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add libweak_undef_2.a,
1368	plugin_test_thin.a and defsym_test.
1369	* testsuite/Makefile.in: Regenerate.
1370
13712015-02-04  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1372
1373	* merge.cc (do_add_input_section): Combine loop epilogue into main loop
1374	body.
1375
13762015-02-04  Peter Collingbourne  <pcc@google.com>
1377
1378	* plugin.cc (Pluginobj::get_symbol_resolution_info): Resolve
1379	forwarding symbols when computing symbol resolution info for plugins.
1380	* plugin.h (Plugin_manager::symtab): New method.
1381	(Pluginobj::get_symbol_resolution_info): Add symtab parameter.
1382
13832015-02-03  Cary Coutant  <ccoutant@google.com>
1384	    Peter Collingbourne  <pcc@google.com>
1385
1386	PR gold/15660
1387	* archive.cc (Thin_archive_object_unlocker): New class.
1388	(Archive::include_member): Unlock external members of thin archives.
1389	* testsuite/Makefile.am (plugin_test_1): Rename .syms files.
1390	(plugin_test_2): Likewise.
1391	(plugin_test_3): Likewise.
1392	(plugin_test_4): Likewise.
1393	(plugin_test_5): Likewise.
1394	(plugin_test_6): Likewise.
1395	(plugin_test_7): Likewise.
1396	(plugin_test_8): Likewise.
1397	(plugin_test_9): Likewise.
1398	(plugin_test_10): Likewise.
1399	(plugin_test_11): New test case.
1400	* testsuite/Makefile.in: Regenerate.
1401	* testsuite/plugin_test.c (claim_file_hook): Check for parallel .syms
1402	file to decide whether to claim file.
1403	(all_symbols_read_hook): Likewise.
1404	* testsuite/plugin_test_1.sh: Adjust expected output.
1405	* testsuite/plugin_test_2.sh: Likewise.
1406	* testsuite/plugin_test_3.sh: Likewise.
1407	* testsuite/plugin_test_6.sh: Likewise.
1408	* testsuite/plugin_test_tls.sh: Likewise.
1409	* testsuite/plugin_test_11.sh: New testcase.
1410
14112015-02-03  Cary Coutant  <ccoutant@google.com>
1412
1413	* descriptors.cc (Descriptors::open): Set artificially-low limit for
1414	file descriptors when debugging enabled. Add debug output.
1415	(Descriptors::release): Add debug output.
1416	(Descriptors::close_some_descriptor): Likewise.
1417	(Descriptors::close_all): Likewise.
1418	* fileread.cc (File_read::lock): Likewise.
1419	(File_read::unlock): Likewise.
1420
14212015-02-02  Cary Coutant  <ccoutant@google.com>
1422
1423	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for
1424	executable output file.
1425
14262015-01-22  Han Shen  <shenhan@google.com>
1427
1428	* arm.cc (Target_arm::Target_arm): Add initialization for new members.
1429	(Target_arm::do_plt_address_for_global): New method.
1430	(Target_arm::do_plt_address_for_local): New method.
1431	(Target_arm::rel_irelative_section): New method.
1432	(Target_arm::make_data_plt): Add more parameters for plt ctor.
1433	(Target_arm::do_make_data_plt): Add more parameters for plt ctor.
1434	(Target_arm::Scan::symbol_needs_plt_entry): Add ifunc support.
1435	(Target_arm::Scan::reloc_needs_plt_for_ifunc): Add ifunc support.
1436	(Target_arm::Scan::check_non_pic): Add ifunc support.
1437	(Target_arm::Scan::local): Add ifunc support.
1438	(Target_arm::Scan::global): Add ifunc support.
1439	(Target_arm::make_plt_section): New method.
1440	(Target_arm::make_plt_entry): Change to call to make_plt_section.
1441	(Target_arm::make_local_ifunc_plt_entry): New method.
1442	(Target_arm::got_irelative_): New member.
1443	(Target_arm::rel_irelative_): New member.
1444	(Target_arm::got_section): Add creation for got_irelative_.
1445	(Target_arm::rel_dyn_section): Add creation for rel_irelative_.
1446	(Target_arm::Relocate::relocate): Properly set local ifunc address.
1447	(Target_arm::do_dynsym_value): Properly set global ifunc address.
1448	(Target_arm::scan_reloc_for_stub): Properly set global ifunc address.
1449	(Output_data_plt_arm::IRelative_data): New type.
1450	(Output_data_plt_arm::Output_data_plt_arm): Add more parameters.
1451	(Output_data_plt_arm::add_entry): Add more parameters.
1452	(Output_data_plt_arm::add_relocation): New method.
1453	(Output_data_plt_arm::add_local_ifunc_entry): New method.
1454	(Output_data_plt_arm::rel_irelative): New method.
1455	(Output_data_plt_arm::entry_count): Modified.
1456	(Output_data_plt_arm::address_for_global): New method.
1457	(Output_data_plt_arm::address_for_local): New method.
1458gold/
1459	(Output_data_plt_arm::set_final_data_size): Add irelative_count_.
1460	(Output_data_plt_arm::insert_irelative_data): New method.
1461	(Output_data_plt_arm::irelative_rel_): New member.
1462	(Output_data_plt_arm::got_): New member.
1463	(Output_data_plt_arm::got_irelative_): New member.
1464	(Output_data_plt_arm::irelative_count_): New member.
1465	(Output_data_plt_arm::IRelative_data_vec): New typedef.
1466	(Output_data_plt_arm::irelative_data_vec_): New member.
1467	(Output_data_plt_arm::do_write): Write out irelative entries.
1468	(Output_data_plt_arm_standard::Output_data_plt_arm_standard): Add
1469	more parameters to ctor.
1470	(Output_data_plt_arm_nacl::Output_data_plt_arm_nacl): Add
1471	more parameters to ctor.
1472	* output.h (Output_data_reloc::add_local_relative): New method.
1473	* aarch64.cc (Output_data_plt_aarch64): Fixed typo in comment.
1474
14752015-01-29  Alan Modra  <amodra@gmail.com>
1476
1477	* powerpc.cc (Target_powerpc::Relocate::relocate): Correct GOT_TLSLD
1478	and GOT_TLSGD to LE optimization.
1479
14802015-01-28  Cary Coutant  <ccoutant@google.com>
1481
1482	* x86_64.cc (Target_x86_64::Scan::global): Allow IE-to-LE optimization
1483	for undef TLS symbols.
1484	(Target_x86_64::Relocate::relocate_tls): Likewise.
1485	(Target_x86_64::Relocate::tls_ie_to_le): Likewise.
1486
14872015-01-25  Cary Coutant  <ccoutant@google.com>
1488
1489	* output.cc (Output_segment::set_section_addresses): Fix calculation
1490	of size of relro segment.
1491
14922015-01-22  Alan Modra  <amodra@gmail.com>
1493
1494	* powerpc.cc (Target_powerpc::Scan::local <got relocs>): Correct
1495	condition for need of ifunc plt entry.
1496	(Target_powerpc::Scan::global <got relocs>): Likewise.
1497
14982015-01-14  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1499
1500	* mips.cc (reloc_high): Add r_sym.
1501	(Mips_relocate_functions::relhi16): Add r_sym parameter. Pass r_sym to
1502	reloc_high constructor.
1503	(Mips_relocate_functions::relgot16_local): Likewise.
1504	(Mips_relocate_functions::rello16): Add r_sym parameter. Use r_sym and
1505	r_type to decide whether LO16 matches HI16.
1506	(Target_mips::Relocate::relocate): Pass r_sym to calls to relhi16,
1507	rello16 and relgot16_local.
1508
15092015-01-09  Cary Coutant  <ccoutant@google.com>
1510
1511	* layout.cc (Layout::set_segment_offsets): Don't align start of segment
1512	unless alignment is larger than page size.
1513
15142015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1515	    Cary Coutant  <ccoutant@google.com>
1516
1517	PR gold/17729
1518	* configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
1519	(DEFAULT_TARGET_X32): Set for x32.
1520	* x86_64.cc (cmp_insn_32): New.
1521	(lea_r10_insn_32): Likewise.
1522	(lea_r11_insn_32): Likewise.
1523	(cmp_insn_64): Likewise.
1524	(lea_r10_insn_64): Likewise.
1525	(lea_r11_insn_64): Likewise.
1526	(Target_x86_64<size>::do_calls_non_split): Handle x32.
1527	* testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
1528	(check_DATA): Add split_x32 files.
1529	(split_x32_[1234n].o): New targets.
1530	(split_x32_[124]): New targets.
1531	(split_x32_[1234r].stdout): New targets.
1532	* testsuite/split_x32.sh: New file.
1533	* testsuite/split_x32_1.s: Likewise.
1534	* testsuite/split_x32_2.s: Likewise.
1535	* testsuite/split_x32_3.s: Likewise.
1536	* testsuite/split_x32_4.s: Likewise.
1537	* testsuite/split_x32_n.s: Likewise.
1538	* configure: Regenerated.
1539	* testsuite/Makefile.in: Likewise.
1540
15412015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
1542
1543	PR gold/17809
1544	* x86_64.cc (Target_x86_64<size>::Relocate::tls_ie_to_le): Handle
1545	x32.
1546
15472015-01-02  Alan Modra  <amodra@gmail.com>
1548
1549	* version.cc (print_version): Just print current year.
1550	* dwp.cc (print_version): Likewise.
1551
15522015-01-01  Alan Modra  <amodra@gmail.com>
1553
1554	Update year range in copyright notice of all files.
1555
15562014-12-25  Alan Modra  <amodra@gmail.com>
1557
1558	* arm.cc (Target_arm::do_adjust_elf_header): Provide namespace on
1559	new enums.
1560	(Target_arm::merge_object_attributes, ): Likewise.
1561
15622014-12-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1563
1564	* arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header
1565	as hard float only when Tag_ABI_VFP_args is 1, using new enum value
1566	AEABI_VFP_args_vfp to check that.
1567	(Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args
1568	value and replace hardcoded values by enum values.
1569
15702014-12-22  Cary Coutant  <ccoutant@google.com>
1571
1572	* powerpc.cc (Target_powerpc::relocate): Fix overflow check.
1573
15742014-12-20  H.J. Lu  <hongjiu.lu@intel.com>
1575
1576	PR gold/14608
1577	* testsuite/debug_msg.cc (SometimesInlineFunction): Changed
1578	to "return i * i * 3;".
1579
15802014-12-16  Cary Coutant  <ccoutant@google.com>
1581
1582	* mapfile.cc (Mapfile::print_input_section): Print uncompressed sizes.
1583	(Mapfile::print_output_data): Use current_data_size() to avoid
1584	assert for sections requiring postprocessing; if address is not valid,
1585	print 0.
1586	(Mapfile::print_output_section): Use current_data_size(); print note
1587	that addresses and sizes are before compression.
1588
15892014-12-14  H.J. Lu  <hongjiu.lu@intel.com>
1590
1591	* aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
1592	Cast current_group_size to unsigned long when reporting error.
1593
15942014-12-10  Jing Yu  <jingyu@google.com>
1595
1596	* aarch64.cc (Target_aarch64): Add new variable stub_group_size_.
1597	(AArch64_relocate_functions::maybe_apply_stub): Add new parameter.
1598	Update error message.
1599	(Target_aarch64::do_relax): Use absolute value of option
1600	stub_group_size. Replace local variable with class member
1601	stub_group_size_.
1602
16032014-12-04  Alan Modra  <amodra@gmail.com>
1604
1605	* powerpc.cc (Target_powerpc::Branch_info::make_stub): Ignore
1606	addend of PLTREL24 reloc when not generating a plt stub.  Make
1607	max_branch_offset an "Address".
1608	(Stub_table::can_reach_stub): Make max_branch_offset an "Address".
1609	(Target_powerpc::Relocate::relocate): Likewise.
1610
16112014-12-04  Alan Modra  <amodra@gmail.com>
1612
1613	PR 17670
1614	* symtab.cc (Symbol::set_undefined): Remove assertion.
1615	* powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
1616	on symbols defined in discarded sections, instead return false.
1617	Rearrange params, update all callers.
1618	(Target_powerpc::Branch_info::make_stub): Don't make stubs for
1619	branches to syms in discarded sections.
1620	(Global_symbol_visitor_opd::operator()): Set discarded opd syms
1621	undefined and flag as discarded.
1622	(Target_powerpc::Relocate::relocate): Localize variable.
1623
16242014-12-03  H.J. Lu  <hongjiu.lu@intel.com>
1625
1626	PR gold/17675
1627	* testsuite/Makefile.am (pie_copyrelocs_test_CXXFLAGS): New.
1628	* testsuite/Makefile.in: Regenerated.
1629
16302014-12-03  Alan Modra  <amodra@gmail.com>
1631
1632	PR 17566
1633	* powerpc.cc (Target_powerpc::Scan::local): Use add_local_section
1634	when adding dynamic relocations against section symbols.
1635
16362014-12-01  Dimitry Ivanov <dimitry@google.com>
1637
1638	* layout.cc (Layout::finish_dynamic_section): When '-z global'
1639	is specified set DF_1_GLOBAL in DT_FLAGS_1 flags.
1640	* options.h (General_options): New -z option (global).
1641
16422014-12-01  Cary Coutant  <ccoutant@google.com>
1643
1644	PR gold/17578
1645	* layout.cc (Layout::layout_gnu_stack): Don't warn when -z execstack
1646	is given.
1647	(Layout::create_executable_stack_info): Warn when -z noexecstack is
1648	given but some inputs require executable stack.
1649
16502014-11-26  Cary Coutant  <ccoutant@google.com>
1651
1652	* layout.cc (gdb_sections): Keep .debug_gdb_scripts and
1653	.debug_str_offsets; strip .debug_gnu_pubnames and
1654	.debug_gnu_pubtypes.
1655	(lines_only_debug_sections): Strip all four new sections.
1656
16572014-11-26  Jing Yu  <jingyu@google.com>
1658
1659	* aarch64.cc (Relocate::tls_desc_gd_to_ie): Set ldr target
1660	register to be x0 when to relax TLSDESC_LD64_LO12.
1661
16622014-11-26  Alan Modra  <amodra@gmail.com>
1663
1664	* powerpc.cc (struct Stub_table_owner): New.
1665	(Powerpc_relobj): Rename stub_table_ to stub_table_index_, an
1666	unsigned int vector.  Update all references.
1667	(powerpc_relobj::set_stub_table): Take an unsigned int param
1668	rather than a Stub_table.  Update callers.
1669	(Powerpc_relobj::clear_stub_table): New function.
1670	(Target_powerpc): Add relax_failed_, relax_fail_count_ and
1671	stub_group_size_ vars.
1672	(Target_powerpc::new_stub_table): Delete.
1673	(max_branch_delta): New function, extracted from..
1674	(Target_powerpc::Relocate::relocate): ..here..
1675	(Target_powerpc::Branch_info::make_stub): ..and here.  Return
1676	status on whether stub created successfully.
1677	(Stub_control::Stub_control): Add "no_size_errors" param.  Move
1678	default sizing to..
1679	(Target_powerpc::do_relax): ..here.  Init stub_group_size_ and
1680	reduce on relax failure.
1681	(Target_powerpc::group_sections): Add "no_size_errors" param.
1682	Use stub_group_size_.  Set up group info in a temp vector,
1683	before building Stub_table vector.  Account for input sections
1684	possibly already converted to relaxed sections.
1685	(Stub_table::init): Delete.  Merge into..
1686	(Stub_table::Stub_table): ..here.
1687	(Stub_table::can_reach_stub): New function.
1688	(Stub_table::add_plt_call_entry): Add "from" parameter and
1689	return true iff stub could be reached.
1690	(Stub_table::add_long_branch_entry): Similarly.  Add "r_type"
1691	param too.
1692	(Stub_table::clear_stubs): Add "all" param.
1693
16942014-11-26  Alan Modra  <amodra@gmail.com>
1695
1696	* powerpc.cc (Stub_control::set_output_and_owner): New function.
1697	(Target_powerpc::group_sections): Use it.
1698
16992014-11-25  Cary Coutant  <ccoutant@google.com>
1700
1701	* binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol.
1702	(Binary_to_elf::write_symbol): Add st_size parameter.
1703	* binary.h (Binary_to_elf::write_symbol): Add st_size parameter.
1704
17052014-11-25  Cary Coutant  <ccoutant@google.com>
1706
1707	PR gold/17639
1708	* object.cc (Sized_relobj_file): Initialize is_deferred_layout_.
1709	(Sized_relobj_file::do_layout): Handle deferred sections properly
1710	during GC pass 1. Don't add reloc sections to deferred list twice.
1711	* object.h (Sized_relobj_file::is_deferred_layout): New function.
1712	(Sized_relobj_file::is_deferred_layout_): New data member.
1713
17142014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
1715
1716	PR gold/17619
1717	* x86_64.cc (Output_data_plt_x86_64_standard<size>::do_fill_plt_entry):
1718	Check PC-relative offset overflow in PLT entry.
1719
17202014-11-21  Alan Modra  <amodra@gmail.com>
1721
1722	* powerpc.cc (Target_powerpc::Relocate::relocate): Correct test
1723	for undefined weaks.
1724
17252014-11-20  Alan Modra  <amodra@gmail.com>
1726
1727	* powerpc.cc (Stub_control::Stub_control): Init stub14_group_size_
1728	from --stub-group-size parameter divided by 1024.
1729	(Powerpc_relocate_functions::rela, rela_ua): Add fieldsize
1730	template parameter.  Update all uses.
1731	(Target_powerpc::Relocate::relocate): Rename has_plt_value to
1732	has_stub_value.  Set for long branches.  Don't report overflow for
1733	branch to undefined weak symbols.  Print info message on
1734	overflowing branch to stub.
1735
17362014-11-20  Alan Modra  <amodra@gmail.com>
1737
1738	* powerpc.cc (Target_powerpc::do_relax): Add __go_go to thread_starters.
1739
17402014-11-13  H.J. Lu  <hongjiu.lu@intel.com>
1741
1742	* x86_64.cc (Target_x86_64<size>::Scan::global): Don't make PLT
1743	entry for R_X86_64_GOTPLT64.
1744	(Target_x86_64<size>::Relocate::relocate): Update comments for
1745	R_X86_64_GOTPLT64.
1746
17472014-11-06  Evgeniy Dushistov  <dushistov@mail.ru>
1748
1749	* plugin.cc: use lock to searialize calls of Plugin_manager::claim_file
1750	* plugin.h: add lock definition
1751
17522014-10-29  Han Shen  <shenhan@google.com>
1753	    Jing Yu   <jingyu@google.com>
1754
1755	* aarch64-reloc.def: Add LD_PREL_LO12, ADR_PREL_LO21,
1756	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
1757	TLSLD_MOVW_DTPREL_G0_NC. Change property of TLS relocations to
1758	Symbol::TLS_REF.
1759	* aarch64.cc (Target_aarch64::do_can_check_for_function_pointers): New
1760	method.
1761	(Target_aarch64::reloc_needs_plt_for_ifunc): New method.
1762	(Target_aarch64::tls_ld_to_le): New method.
1763	(Target_aarch64::aarch64_info): Enable can_icf_inline_merge_sections
1764	for 64bit targets.
1765	(Output_data_plt_aarch64::irelative_rel_): New data member.
1766	(Output_data_plt_aarch64::add_entry): Add irelative entries to plt.
1767	(Output_data_plt_aarch64::add_local_ifunc_entry): New method.
1768	(Output_data_plt_aarch64::add_relocation): New method.
1769	(Output_data_plt_aarch64::do_write): Add gold_assert on got_irelative
1770	offset. Add got_irelative size to got size.
1771	(AArch64_relocate_functions): Typedef AArch64_valtype. Replace long
1772	type string with the new typename.
1773	(AArch64_relocate_functions::update_adr): Replace parameter x with
1774	immed.
1775	(AArch64_relocate_functions::update_movnz): Correct wrong val mask.
1776	(AArch64_relocate_functions::reloc_common): New method.
1777	(AArch64_relocate_funcsions::rela_general): Extract common part out
1778	into reloc_common method.
1779	(AArch64_relocate_functions::rela_general): Likewise.
1780	(AArch64_relocate_functions::pcrela_general): Likewise.
1781	(AArch64_relocate_functions::adr): New method.
1782	(AArch64_relocate_functions::adrp): Calculate immed before calling
1783	update_adr.
1784	(AArch64_relocate_functions::adrp): Likewise.
1785	(AArch64_relocate_functions::movnz): Cast x to SignedW type when
1786	comparing x to 0. Calculate immed from ~x when x < 0.
1787	(Target_aarch64::optimize_tls_reloc): Add new cases for
1788	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
1789	TLSLD_MOVW_DTPREL_G0_NC.
1790	(Target_aarch64::possible_function_pointer_reloc): Implement this
1791	method.
1792	(Target_aarch64::Scan::local_reloc_may_be_function_pointer): Update
1793	comment.
1794	(Target_aarch64::Scan::local): Add codes to handle STT_GNU_IFUNC
1795	symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
1796	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
1797	(Target_aarch64::Scan::global): Add codes to handle STT_GNU_IFUNC
1798	symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
1799	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
1800	(Target_aarch64::make_plt_entry): Call add_entry with two more
1801	parameters.
1802	(Target_aarch64::make_local_ifunc_plt_entry): New method.
1803	(Target_aarch64::Relocate::relocate): Add cases for LD_PREL_LO19,
1804	ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
1805	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
1806	(Target_aarch64::Relocate::relocate_tls): Add cases for
1807	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
1808	TLSLD_MOVW_DTPREL_G0_NC.
1809	* testsuite/icf_safe_so_test.cc: Correct test comment.
1810	* testsuite/icf_safe_test.sh: Add AArch64 arch.
1811
18122014-10-22  Alan Modra  <amodra@gmail.com>
1813
1814	* powerpc.cc (do_relax): Add gcc-4.9 libgomp functions to
1815	thread_starter.
1816
18172014-10-18  Andreas Schwab  <schwab@linux-m68k.org>
1818
1819	* configure.tgt (targ_extra_obj) [aarch64*-*]: Define.
1820
18212014-10-17  Cary Coutant  <ccoutant@google.com>
1822
1823	* aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
1824	Add "typename" keyword.
1825
18262014-10-15  Han Shen  <shenhan@google.com>
1827	    Jing Yu   <jingyu@google.com>
1828
1829	Patch for gold aarch64 backend to support relaxation.
1830	* aarch64-reloc.def: Change format.
1831	* aarch64.cc (class Reloc_stub): New class.
1832	(class Stub_table): New class.
1833	(class AArch64_relobj): New class.
1834	(class AArch64_input_section): New class.
1835	(class AArch64_output_section): New class.
1836	(Target_aarch64::new_stub_table): New method.
1837	(Target_aarch64::new_aarch64_input_section): New method.
1838	(Target_aarch64::find_aarch64_input_section): New method.
1839	(Target_aarch64::scan_section_for_stubs): New method.
1840	(Target_aarch64::scan_reloc_section_for_stubs): New method.
1841	(Target_aarch64::relocate_stub): New method.
1842	(Target_aarch64::current_target): New method.
1843	(Target_aarch64::do_make_elf_object): New method.
1844	(Target_aarch64::do_may_relax): New method.
1845	(Target_aarch64::do_relax): New method.
1846	(Target_aarch64::group_sections): New method.
1847	(Target_aarch64::scan_reloc_for_stub): New method.
1848	(Target_aarch64::do_make_output_section): New method.
1849	(Target_aarch64::stub_tables_): New data member.
1850	(Target_aarch64::aarch64_input_section_map_): New data member.
1851	(AArch64_relocate_functions::maybe_apply_stub): New method.
1852
18532014-09-30  Cary Coutant  <ccoutant@google.com>
1854
1855	PR gold/17432
1856	* resolve.cc (Symbol_table::resolve): Fix local shadowing error.
1857
18582014-09-30  Kito Cheng  <kito@0xlab.org>
1859
1860	PR gold/13597
1861	* layout.cc (Layout::create_dynamic_symtab): Build gnu-style
1862	hash table before sysv-style hash table.
1863
18642014-09-29  Sriraman Tallam  <tmsriram@google.com>
1865
1866	* options.h (--pic-executable): Add negative to alias to -no-pie.
1867
18682014-09-26  Cary Coutant  <ccoutant@google.com>
1869
1870	PR gold/16773
1871	* object.cc (Sized_relobj_file): Compute value of section symbols
1872	for TLS sections the same as TLS symbols.
1873
18742014-09-25  Cary Coutant  <ccoutant@google.com>
1875
1876	PR gold/17432
1877	* resolve.cc (Symbol_table::resolve): Override common placeholder
1878	symbols, but adjust sizes.
1879	* symtab.cc (Symbol_table::add_from_object): Don't add placeholder
1880	symbols to common lists.
1881
18822014-09-24  Alan Modra  <amodra@gmail.com>
1883
1884	* po/POTFILES.in: Regenerate.
1885
18862014-09-23  Taiju Tsuiki  <tzik@google.com>
1887	    Cary Coutant  <ccoutant@google.com>
1888
1889	PR gold/14860
1890	* gold.cc (queue_final_tasks): Add Write_sections_task as a blocker
1891	on input_sections_blocker.
1892	* layout.cc (Write_sections_task::locks): Unblock
1893	input_sections_blocker_.
1894	* layout.h (Write_sections_task::Write_sections_task): Add
1895	input_sections_blocker.
1896	* testsuite/Makefile.am (exception_x86_64_bnd_test): Add gcctestdir/ld
1897	to DEPENDENCIES.
1898	* testsuite/Makefile.in: Regenerate.
1899
19002014-09-18  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1901
1902	* testsuite/Makefile.am (plugin_test_10): New test.
1903	* testsuite/Makefile.in: Regenerate
1904	* testsuite/plugin_common_test_2.c (c1): Align to 8.
1905	* testsuite/plugin_test_10.sh: New file.
1906
19072014-09-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1908
1909	* plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size.
1910	* resolve.cc (Symbol_table::resolve): Don't override common symbols
1911	during the replacement phase.
1912
19132014-09-17  Han Shen  <shenhan@google.com>
1914	    Jing Yu  <jingyu@google.com>
1915
1916	* aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC,
1917	TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL.
1918	* aarch64.cc (Target_aarch64): Add data members
1919	got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_,
1920	tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in
1921	constructor.
1922	(Target_aarch64::do_reloc_symbol_index): New method.
1923	(Target_aarch64::do_reloc_addend): New method.
1924	(Target_aarch64::add_tlsdesc_info): New method.
1925	(Target_aarch64::do_dynsym_value): New method.
1926	(Target_aarch64::do_make_data_plt): Add new parameters: got,
1927	got_irelative. Pass them to Output_data_plt_aarch64_standard.
1928	(Target_aarch64::make_data_plt): Add new parameters: got,
1929	got_irelative. Pass them to do_make_data_plt.
1930	(Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable.
1931	(Target_aarch64::Relocate:tls_gd_to_le): New method.
1932	(Target_aarch64::Relocate:tls_ie_to_le): New method.
1933	(Target_aarch64::Relocate:tls_desc_gd_to_le): New method.
1934	(Target_aarch64::Relocate:tls_desc_gd_to_ie): New method.
1935	(Target_aarch64::got_tlsdesc_section): New method.
1936	(Target_aarch64::make_local_ifunc_plt_entry): New method.
1937	(Target_aarch64::define_tls_base_symbol): New method.
1938	(Target_aarch64::reserve_tlsdesc_entries): New method.
1939	(Target_aarch64::got_mod_index_entry): New method.
1940	(Target_aarch64::rela_tlsdesc_section): New method.
1941	(Target_aarch64::rela_irelative_section): New method.
1942	(Target_aarch64::Tlsdesc_info): New struct.
1943	(Target_aarch64::got_section): Create .got.plt space for IRELATIVE
1944	relocations and tlsdesc relocations.
1945	(Target_aarch64::optimize_tls_reloc): Implement method.
1946	(Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_,
1947	got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them
1948	in constructor.
1949	(Output_data_plt_aarch64::reserve_tlsdesc_entry): New method.
1950	(Output_data_plt_aarch64::has_tlsdesc_entry): New method.
1951	(Output_data_plt_aarch64::get_tlsdesc_got_offset): New method.
1952	(Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method.
1953	(Output_data_plt_aarch64::rela_tlsdesc): New method.
1954	(Output_data_plt_aarch64::rela_irelative): New method.
1955	(Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations.
1956	(Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute.
1957	(Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method.
1958	(Output_data_plt_aarch64::fill_tlsdesc_entry): New method.
1959	(Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method.
1960	(Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method.
1961	(Output_data_plt_aarch64_standard): New member variables:
1962	plt_tlsdesc_entry_size, tlsdesc_plt_entry.
1963	(Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard):
1964	New parameter: got, got_irelative.
1965	(Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method.
1966	(Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method.
1967	(Output_data_plt_aarch64::do_write): Replace got_address with
1968	gotplt_address. Add irelative_count_ to count. Write tlsdesc entry.
1969	(AArch64_relocate_functions::update_movnz): New method.
1970	(AArch64_relocate_functions): Correct format.
1971	(AArch64_relocate_functions::movnz): New method.
1972	(Target_aarch64::Scan::local): Correct format. Move r_sym, got to
1973	before the switch. Add new cases to switch.
1974	Check ie_to_le relaxation on tlsie relocations. Add code handling
1975	tlsgd tlsdesc cases.
1976	(Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when
1977	needed. Add new cases to switch. Insert dynamic RELATIVE relocation
1978	when needed. Add code handling tlsgd, tlsie, tlsdesc cases.
1979	Call reloc_name_in_error_message to print unsupported reloc.
1980	(Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to
1981	make_data_plt.
1982	(Target_aarch64::do_finalize_sections): Emit relocs to save COPY
1983	relocs. Fill in some more dynamic tags.
1984	(Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs.
1985	Skip call tls_get_addr when tlsgd is relaxed.
1986	(Target_aarch64::Relocate::relocate_tls): Correct format. Add code
1987	handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le,
1988	tlsdesc->ie relaxation.
1989
19902014-09-03  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
1991
1992	* mips.cc (Target_mips_nacl): New class.
1993	(Target_selector_mips_nacl): New class.
1994	(target_selector_mips32): Rename from target_selector_mips32be and use
1995	Target_selector_mips_nacl instead of Target_selector_mips.
1996	(target_selector_mips32el): Rename from target_selector_mips32 and use
1997	Target_selector_mips_nacl instead of Target_selector_mips.
1998	(target_selector_mips64): Rename from target_selector_mips64be and use
1999	Target_selector_mips_nacl instead of Target_selector_mips.
2000	(target_selector_mips64el): Rename from target_selector_mips64 and use
2001	Target_selector_mips_nacl instead of Target_selector_mips.
2002	(Target_mips::mips_info): Add const attribute.
2003
20042014-09-02  Cary Coutant  <ccoutant@google.com>
2005
2006	* dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute.
2007	* dynobj.h (Sized_dynobj::do_section_name): Likewise.
2008	* incremental.cc (Sized_relobj_incr::do_section_name): Likewise.
2009	(Sized_incr_dynobj::do_section_name): Likewise.
2010	* incremental.h (Sized_relobj_incr::do_section_name): Likewise.
2011	(Sized_incr_dynobj::do_section_name): Likewise.
2012	* object.h (Object::section_name): Likewise.
2013	(Object::do_section_name): Likewise.
2014	(Sized_relobj_file::do_section_name): Likewise.
2015	* plugin.cc (Sized_pluginobj::do_section_name): Likewise.
2016	* plugin.h (Sized_pluginobj::do_section_name): Likewise.
2017
20182014-09-02  Cary Coutant  <ccoutant@google.com>
2019
2020	PR gold/17005
2021	* ehframe.cc (Fde::write): Add output_offset parameter.
2022	(Cie::write): Likewise.
2023	(Eh_frame::set_final_data_size): Account for offset within output
2024	section.
2025	(Eh_frame::do_sized_write): Likewise.
2026	* ehframe.h (Fde::write): Add output_offset parameter.
2027	(Cie::write): Likewise.
2028	* output.cc (Output_section::Input_section_sort_entry): Remove
2029	section_has_name_; add output_section_name parameter. Use
2030	output section name for non-input sections.
2031	(Output_section::Input_section_sort_entry::section_has_name): Remove.
2032	(Output_section::Input_section_sort_entry::section_has_name_): Remove.
2033	(Output_section::Input_section_sort_compare): Remove logic for
2034	sections without names.
2035	(Output_section::Input_section_sort_init_fini_compare): Likewise.
2036	(Output_section::Input_section_sort_section_prefix_special_ordering_compare):
2037	Likewise.
2038	(Output_section::Input_section_sort_section_name_compare): Likewise.
2039
20402014-08-29 Han Shen <shenhan@google.com>
2041	   Jing Yu <jingyu@google.com>
2042
2043	* aarch64-reloc-property.cc
2044	(AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in
2045	reference reloc property in the table.
2046	* aarch64-reloc.def: Add TLSLE reloc types and fix some errors in
2047	3 other entries.
2048	* aarch64.cc: (Output_data_got_aarch64::add_static_reloc):
2049	2 new overloaded methods.
2050	(Output_data_got_aarch64::do_write): Add code to write out
2051	static relocs.
2052	(class Output_data_got_aarch64::Static_reloc): New class to wrap
2053	static relocs.
2054	(Output_data_got_aarch64::static_relocs): New vector to
2055	hold static relocs.
2056	(Target_aarch64::TCB_SIZE): New const static memeber.
2057	(Target_aarch64::tcb_size): New method.
2058	(Target_aarch64::Relocate::relocate): Add code handling new reloc types.
2059	(Target_aarch64::Relocate::relocate_tls): New method.
2060	(Target_aarch64::Scan::local): Add code handling new reloc types.
2061	(Target_aarch64::Scan::global): Add code handling new reloc types.
2062
20632014-08-13  Sriraman Tallam  <tmsriram@google.com>
2064
2065	* options.h (-no-pie): Add option.
2066
20672014-08-08  Jing Yu  <jingyu@google.com>
2068	    Han Shen  <shenhan@google.com>
2069
2070	* Makefile.am (HFILES): Add aarch64-reloc-property.h.
2071	(DEFFILES): add aarch64-reloc.def.
2072	(TARGETSOURCES): Add aarch64-reloc-property.cc.
2073	(ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT).
2074	* Makefile.in: Regenerate.
2075	* aarch64-reloc-property.cc: New file.
2076	* aarch64-reloc-property.h: New file.
2077	* aarch64-reloc.def: New file.
2078	* aarch64.cc: Include aarch64-reloc-property.h. Replace spaces
2079	with tab to make the format consistent.
2080	(Output_data_got_aarch64::symbol_table_): New method.
2081	(Target_aarch64::do_plt_address_for_global): New method.
2082	(Target_aarch64::do_plt_address_for_local): New method.
2083	(Target_aarch64::do_select_as_default_target): New method.
2084	(Target_aarch64::do_make_data_plt): New method.
2085	(Target_aarch64::make_data_plt): New method.
2086	(Output_data_plt_aarch64::has_irelative_section): New method.
2087	(Output_data_plt_aarch64::address_for_global): New method.
2088	(Output_data_plt_aarch64::address_for_local): New method.
2089	(Output_data_plt_aarch64::irelative_rel_): New parameter.
2090	(Output_data_plt_aarch64::add_entry): Implement contents.
2091	(Output_data_plt_aarch64::set_final_data_size): Fix typo.
2092	(Output_data_plt_aarch64::do_write): Remove useless got_base. Set
2093	the got_pov entry to plt0.
2094	(Output_data_plt_aarch64_standard::do_fill_first_plt_entry):
2095	Implement contents.
2096	(Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement.
2097	(AArch64_howto): New struct.
2098	(aarch64_howto[]): New static const array.
2099	(AArch64_relocate_functions): New class.
2100	(Target_aarch64::Scan::get_reference_flags): Remove method.
2101	(Target_aarch64::Scan::local): Implement to support a few relocations.
2102	(Target_aarch64::Scan::global): Implement to support a few relocations.
2103	(Target_aarch64::make_plt_section): Implement contents.
2104	(Target_aarch64::make_plt_entry): Implement contents.
2105	(Target_aarch64::do_finalize_sections): Implement contents.
2106	(Target_aarch64::Relocate::relocate): Implement a few relocations.
2107	(Target_aarch64::relocate_section): Implement contents.
2108
21092014-08-06  Alan Modra  <amodra@gmail.com>
2110
2111	* testsuite/defsym_test.sh: Allow ppc64le localentry annotation.
2112
21132014-08-06  Alan Modra  <amodra@gmail.com>
2114
2115	PR 13227
2116	* symtab.cc (Symbol_table::add_from_relobj): Warn on __gnu_lto_slim.
2117
21182014-07-21  Sriraman Tallam  <tmsriram@google.com>
2119
2120	* object.cc (Relobj::is_section_name_included): Add
2121	".rodata.nptl_version" to not garbage collect this section.
2122
21232014-07-08  Cary Coutant  <ccoutant@google.com>
2124
2125	* expression.cc (struct Expression::Expression_eval_info): Add
2126	new fields type_pointer, vis_pointer, and nonvis_pointer.
2127	(Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and
2128	nonvis_pointer parameters. Adjust all calls.
2129	(Symbol_expression::value): Update type, visibility, and nonvis bits
2130	in caller.
2131	* script.cc (Symbol_assignment::sized_finalize): Update type,
2132	visibility, and remaining st_other bits for new symbol.
2133	* script.h: (Expression::eval_maybe_dot): Add type_pointer,
2134	vis_pointer, and nonvis_pointer parameters.
2135	* symtab.h (Symbol::set_type): New method.
2136
2137	* testsuite/Makefile.am (defsym_test): New test.
2138	* testsuite/Makefile.in: Regenerate.
2139	* testsuite/defsym_test.c: New file.
2140	* testsuite/defsym_test.sh: New file.
2141
21422014-07-08  Cary Coutant  <ccoutant@google.com>
2143
2144	PR gold/15639
2145	* dynobj.h (Sized_dynobj::base_read_symbols): New method.
2146	* dynobj.cc (Sized_dynobj::do_read_symbols): Move body to...
2147	(Sized_dynobj::base_read_symbols): ...new method.
2148	* object.h (Sized_relobj_file::base_read_symbols): New method.
2149	* object.cc (Sized_relobj_file::do_read_symbols): Move body to...
2150	(Sized_relobj_file::base_read_symbols): ...new method.
2151	* arm.cc (Arm_relobj::do_read_symbols): Call base_read_symbols.
2152	* mips.cc: (Mips_relobj::do_read_symbols): Likewise.
2153	* powerpc.cc (Powerpc_dynobj::do_read_symbols): Likewise.
2154
21552014-07-04  Alan Modra  <amodra@gmail.com>
2156
2157	* po/POTFILES.in: Regenerate.
2158
21592014-07-02  Jing Yu  <jingyu@google.com>
2160
2161	* aarch64.cc: New file
2162	* Makefile.am (TARGETSOURCES): Add aarch64.cc
2163	(ALL_TARGETOBJS): Add aarch64.$(OBJEXT)
2164	* Makefile.in: Regenerate.
2165	* configure.tgt: Add entries for aarch64*.
2166	* configure.ac:  Likewise.
2167	* configure: Likewise.
2168
21692014-06-27  Alan Modra  <amodra@gmail.com>
2170
2171	* symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline.
2172
21732014-06-24  Cary Coutant  <ccoutant@google.com>
2174
2175	* dwp.cc (Dwo_file::read): Allow files with no .debug_types
2176	sections.
2177	(Dwo_file::sized_read_unit_index): Likewise.
2178
21792014-06-23  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2180
2181	* mips.cc: New file.
2182	* Makefile.am (TARGETSOURCES): Add mips.cc
2183	(ALL_TARGETOBJS): Add mips.$(OBJEXT)
2184	* configure.tgt: Add entries for mips*.
2185	* configure.ac: Likewise.
2186	* Makefile.in: Regenerate.
2187	* configure: Likewise.
2188
21892014-06-09  Cary Coutant  <ccoutant@google.com>
2190
2191	* dwarf_reader.cc (Dwarf_pubnames_table::read_header): Check that
2192	unit_length is within section bounds.
2193
21942014-06-09  Cary Coutant  <ccoutant@google.com>
2195
2196	PR gold/16980
2197	* layout.cc (Layout::print_to_mapfile): Print unattached sections in
2198	map.
2199
22002014-06-07  Alan Modra  <amodra@gmail.com>
2201
2202	* powerpc.cc (relocate): Treat field of cmpli insn as a bitfield.
2203
22042014-06-06  Cary Coutant  <ccoutant@google.com>
2205
2206	* dwarf_reader.h (Dwarf_pubnames_table): Remove output_section_offset_.
2207	* dwarf_reader.cc (Dwarf_pubnames_table::read_section): Likewise.
2208	(Dwarf_pubnames_table::read_header): Likewise.
2209	* layout.cc (gdb_fast_lookup_sections): Add .debug_gnu_pubnames and
2210	.debug_gnu_pubtypes.
2211
22122014-06-05  Joel Brobecker  <brobecker@adacore.com>
2213
2214	* Makefile.am (CONFIG_STATUS_DEPENDENCIES): New.
2215	* Makefile.in, configure: Regenerate.
2216
22172014-06-03  Alan Modra  <amodra@gmail.com>
2218
2219	* powerpc.cc (addis_12_2): Define.
2220	(Stub_table::do_write): Support fusion on ELFv2 stubs.
2221
22222014-06-03  Alan Modra  <amodra@gmail.com>
2223
2224	* testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility
2225	st_other output.
2226
22272014-06-02  Alan Modra  <amodra@gmail.com>
2228
2229	* powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer):
2230	Only ignore relocs on ELFv1.
2231	(Target_powerpc::global_reloc_may_be_function_pointer): Likewise.
2232
22332014-05-30  Cary Coutant  <ccoutant@google.com>
2234
2235	* testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option.
2236	* testsuite/Makefile.in: Regenerate.
2237	* testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".
2238
22392014-05-27  H.J. Lu  <hongjiu.lu@intel.com>
2240
2241	PR gold/16945
2242	* x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int
2243	for got_offset.  Properly get GOT address for R_X86_64_PLTOFF64.
2244
22452014-05-15  Alan Modra  <amodra@gmail.com>
2246
2247	* powerpc.cc (do_plt_fde_location): Handle zero length .glink.
2248	Compare FDE contents with DW_CFA_nop rather than 0.
2249
22502014-05-13  Sriraman Tallam  <tmsriram@google.com>
2251
2252	* symtab.h (may_need_copy_reloc): Remove check for position independent
2253	code.
2254	* x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no
2255	position independence before pc absolute may_need_copy_reloc call.
2256	Add check for executable output befor pc relative may_need_copy_reloc
2257	call.
2258	* i386.cc: Ditto.
2259	* arm.cc: Ditto.
2260	* sparc.cc: Ditto.
2261	* tilegx.cc: Ditto.
2262	* powerpc.cc: Add check for no position independence before
2263	may_need_copy_reloc calls.
2264	* testsuite/pie_copyrelocs_test.cc: New file.
2265	* testsuite/pie_copyrelocs_shared_test.cc: New file.
2266	* Makefile.am (pie_copyrelocs_test): New test.
2267	* Makefile.in: Regenerate.
2268
22692014-05-08  Martin Liška  <mliska@suse.cz>
2270
2271	* output.cc (Sized_relobj_file::do_layout): Fix typo in info message.
2272
22732014-05-06  Cary Coutant  <ccoutant@google.com>
2274
2275	PR gold/16900
2276	* i386.cc (Output_data_got_plt_i386): New class.
2277	(Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt
2278	parameter. Change all callers.
2279	(Output_data_plt_i386::layout_): Remove.
2280	(Output_data_plt_i386::got_plt_): Change type.
2281	(Target_i386::got_plt_): Change type. Change all references.
2282	(Target_i386::got_section): Create instance of new class.
2283	(Output_data_got_plt_i386::do_write): New function.
2284	* x86_64.cc (Output_data_got_plt_x86_64): New class.
2285	(Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt
2286	parameter. Change all callers.
2287	(Output_data_plt_x86_64::layout_): Remove.
2288	(Output_data_plt_x86_64::got_plt_): Change type.
2289	(Target_x86_64::got_plt_): Change type. Change all references.
2290	(Target_x86_64::got_section): Create instance of new class.
2291	(Output_data_got_plt_x86_64::do_write): New function.
2292	(Output_data_plt_x86_64::do_write): Don't write reserved words in GOT.
2293	(Target_x86_64<size>::init_got_plt_for_update): Create instance of new
2294	class.
2295
22962014-05-05  Cary Coutant  <ccoutant@google.com>
2297
2298	* gdb-index.cc (Gdb_index_info_reader): Don't complain about language
2299	if we have pubnames/pubtypes.
2300
23012014-05-02  Cary Coutant  <ccoutant@google.com>
2302
2303	* defstd.cc (in_segment): Define __ehdr_start here...
2304	* layout.cc (Layout::finalize): ...Instead of here.  Set the
2305	output segment when known.
2306	* resolve.cc (Symbol::override_base_with_special): Remember
2307	the original binding.
2308	* symtab.cc (Symbol::set_output_segment): New function.
2309	(Symbol::set_undefined): New function.
2310	* symtab.h (Symbol::is_weak_undefined): Check original undef
2311	binding.
2312	(Symbol::is_strong_undefined): New function.
2313	(Symbol::set_output_segment): New function.
2314	(Symbol::set_undefined): New function.
2315	* target-reloc.h (is_strong_undefined): Remove.
2316	(issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
2317	Check for hidden undefs.
2318	(relocate_section): Call Symbol::is_strong_undefined.
2319
2320	* testsuite/Makefile.am (ehdr_start_test_1)
2321	(ehdr_start_test_2, ehdr_start_test_3)
2322	(ehdr_start_test_4, ehdr_start_test_5): New test cases.
2323	* testsuite/Makefile.in: Regenerate.
2324	* testsuite/ehdr_start_def.cc: New source file.
2325	* testsuite/ehdr_start_test.cc: New source file.
2326	* testsuite/ehdr_start_test.t: New linker script.
2327	* testsuite/ehdr_start_test_4.sh: New shell script.
2328
23292014-04-23  Cary Coutant  <ccoutant@google.com>
2330
2331	PR gold/16870
2332	* x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break.
2333
23342014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2335
2336	* layout.cc (Layout::include_section): Allow a target to decide
2337	whether to include a section.
2338	* target.h (Target::should_include_section): New function.
2339	(Target::do_should_include_section): New function.
2340
23412014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2342
2343	* copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and
2344	inline into ...
2345	(Copy_relocs::emit): ... here.
2346	* copy-relocs.h (Copy_reloc_entry): Change from class to struct.
2347	(Copy_reloc_entry::make_copy_reloc): Change from private to protected.
2348	(Copy_reloc_entry::entries_): Change from private to protected.
2349
23502014-04-02  Sriraman Tallam  <tmsriram@google.com>
2351
2352	* icf.cc (get_section_contents): Replace copies of reloc
2353	vectors with const references.
2354
23552014-04-02  Cary Coutant  <ccoutant@google.com>
2356
2357	* configure.ac (HAVE_PUBNAMES): Use C instead of C++.
2358	(HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin.
2359	* configure: Regenerate.
2360	* testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for
2361	-fno-use-linker-plugin.
2362	(LINK1, CXXLINK1): Add it to the link command.
2363	* testsuite/Makefile.in: Regenerate.
2364
23652014-03-12  Alan Modra  <amodra@gmail.com>
2366
2367	* Makefile.in: Regenerate.
2368
23692014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2370
2371	* symtab.h (Symbol::set_nonvis): New function.
2372
23732014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2374
2375	* symtab.cc (Sized_symbol<32>::init_output_data):
2376	Instantiate the template.
2377	(Sized_symbol<64>::init_output_data): Likewise.
2378
23792014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2380
2381	* symtab.cc (Symbol_table::sized_write_globals): Allow a target to
2382	adjust dynamic symbol value.
2383	* target.h (Target::adjust_dyn_symbol): New function.
2384	(Target::do_adjust_dyn_symbol): New function.
2385
23862014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2387
2388	* output.cc (Output_data_dynamic::Dynamic_entry::write):
2389	Get the value of DYNAMIC_CUSTOM dynamic entry.
2390	* output.h (Output_data_dynamic::add_custom): New function.
2391	(Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
2392	dynamic entry.
2393	(enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
2394	* target.h (Target::dynamic_tag_custom_value): New function.
2395	(Target::do_dynamic_tag_custom_value): New function.
2396
23972014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
2398
2399	* symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
2400	dynsym indexes.
2401	* target.h (Target::has_custom_set_dynsym_indexes): New function.
2402	(Target::do_has_custom_set_dynsym_indexes): New function.
2403	(Target::set_dynsym_indexes): New function.
2404	(Target::do_set_dynsym_indexes): New function.
2405
24062014-03-07  Alan Modra  <amodra@gmail.com>
2407
2408	* powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add
2409	CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN.
2410	(Powerpc_relocate_functions::has_overflow_unsigned): New function.
2411	(Powerpc_relocate_functions::has_overflow_bitfield,
2412	overflowed): Use the above.
2413	(Target_powerpc::Relocate::relocate): Correct overflow checking
2414	for a number of relocations.  Modify overflow test for 16-bit
2415	fields in instructions to signed/unsigned according to whether
2416	the field takes a signed or unsigned value.
2417
24182014-03-05  Alan Modra  <amodra@gmail.com>
2419
2420	Update copyright years.
2421
24222014-03-05  Alan Modra  <amodra@gmail.com>
2423
2424	* powerpc.cc (Target_powerpc::Scan::local, global): Support
2425	R_PPC64_ADDR64_LOCAL.
2426	(Target_powerpc::Relocate::relocate): Likewise.
2427
24282014-03-03  Alan Modra  <amodra@gmail.com>
2429
2430	* dwp.cc (print_version): Update copyright year to current.
2431
24322014-02-10  Alan Modra  <amodra@gmail.com>
2433
2434	* po/gold.pot: Regenerate.
2435
24362014-02-06  Cary Coutant  <ccoutant@google.com>
2437
2438	Fix problem where -u is ignored when a weak undef is seen.
2439
2440	* archive.cc (Library_base::should_include_member): Reorder
2441	code to check for -u option if a weak undef has already been seen.
2442	* testsuite/Makefile.am (weak_undef_test_2): New test case.
2443	* testsuite/Makefile.in: Regenerate.
2444	* testsuite/weak_undef_file3.cc: New file.
2445	* testsuite/weak_undef_file4.cc: New file.
2446	* testsuite/weak_undef_test_2.cc: New file.
2447
24482014-02-05  Cary Coutant  <ccoutant@google.com>
2449
2450	Fix issues with gold undefined symbol diagnostics.
2451
2452	PR binutils/15435
2453	* errors.cc (Errors::undefined_symbol): Move undef vtable symbol
2454	check to here.
2455	* target-reloc.h (is_strong_undefined): New function.
2456	(relocate_section): Move undef vtable symbol check from here.
2457	Check for is_strong_undefined.
2458
24592014-02-05  Cary Coutant  <ccoutant@google.com>
2460
2461	Fix problems with the --dynamic-list option.
2462
2463	PR gold/13577
2464	* options.cc (General_options::parse_dynamic_list):
2465	Set have_dynamic_list_.
2466	(General_options::General_options): Initialize have_dynamic_list_.
2467	(General_options::finalize): Turn off -Bsymbolic and
2468	-Bsymbolic-functions if --dynamic-list provided.
2469	* options.h (General_options::have_dynamic_list): New function.
2470	(General_options::have_dynamic_list_): New data member.
2471	* symtab.h (Symbol::is_preemptible): Handle --dynamic-list
2472	correctly.
2473
2474	PR gold/16530
2475	* symtab.cc (Symbol_table::add_from_relobj): If symbol is named
2476	in --dynamic-list, mark it.
2477
2478	* testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case.
2479	(dynamic_list_2): New test case.
2480	* testsuite/Makefile.in: Regenerate.
2481	* testsuite/dynamic_list_2.cc: New file.
2482	* testsuite/dynamic_list_2.t: New file.
2483	* testsuite/dynamic_list_lib1.cc: New file.
2484	* testsuite/dynamic_list_lib2.cc: New file.
2485	* testsuite/gc_dynamic_list_test.c: New file.
2486	* testsuite/gc_dynamic_list_test.sh: New file.
2487	* testsuite/gc_dynamic_list_test.t: New file.
2488
24892014-01-28  Cary Coutant  <ccoutant@google.com>
2490
2491	Add .gdb_index version 7 support.
2492
2493	* gold/dwarf_reader.cc: include <utility> (for make_pair).
2494	(Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
2495	debug sections.
2496	(Dwarf_ranges_table::read_ranges_table): Likewise.
2497	(Dwarf_pubnames_table::read_section): Check for GNU-style
2498	sections, and for compressed debug sections.
2499	(Dwarf_pubnames_table::read_header): Compute end address of table.
2500	(Dwarf_pubnames_table::next_name): Return flag_byte.  Check
2501	for end of list by offset, not by offset == 0.
2502	(Dwarf_info_reader::do_read_string_table): Check for compressed
2503	debug sections.
2504	* gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
2505	Initialize new data members.
2506	(Dwarf_pubnames_table::next_name): return flag_byte.
2507	(Dwarf_pubnames_table::end_of_table_): New data member.
2508	(Dwarf_pubnames_table::is_gnu_style_): New data member.
2509	* gold/gdb-index.cc (gdb_index_version): Update to version 7.
2510	(Gdb_index_info_reader::read_pubtable): Read flag_byte.
2511	(Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
2512	read skeleton type unit DIEs.
2513	(Gdb_index::add_symbol): Add flag_byte; adjust all callers.
2514	(Gdb_index::do_write): Write flag_byte.
2515	* gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
2516	(Gdb_index::Cu_vector): Store flags along with cu indexes.
2517	* gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7.
2518	* gold/testsuite/gdb_index_test_comm.sh: Likewise.
2519
25202014-01-08  H.J. Lu  <hongjiu.lu@intel.com>
2521
2522	* version.cc (print_version): Update copyright year to 2014.
2523
25242013-12-19  Dimitry Andric  <dimitry@andric.com>
2525
2526	* stringpool.cc (Stringpool_template::reserve): Add
2527	HAVE_UNORDERED_MAP case.
2528	* stringpool.cc (Stringpool_template::print_stats): Likewise.
2529
25302013-12-18  Cary Coutant  <ccoutant@google.com>
2531
2532	* configure.ac: Check for <unordered_set> and <unordered_map>.
2533	* config.in: Regenerate.
2534	* configure: Regenerate.
2535	* system.h: Use <unordered_set> and <unordered_map> if available.
2536
25372013-12-10  Roland McGrath  <mcgrathr@google.com>
2538
2539	* Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses
2540	with $(INSTALL_PROGRAM_ENV).
2541	* Makefile.in: Regenerate.
2542
25432013-11-22  Cary Coutant  <ccoutant@google.com>
2544
2545	* configure.ac: Add check for which library is needed for
2546	dlopen.
2547	* configure: Regenerate.
2548
25492013-11-22  Cary Coutant  <ccoutant@google.com>
2550
2551	* testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree
2552	assembler.
2553	* testsuite/Makefile.in: Regenerate.
2554
25552013-11-17  H.J. Lu  <hongjiu.lu@intel.com>
2556
2557	* x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
2558	Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
2559	R_X86_64_PC32 and R_X86_64_PLT32, respectively.
2560	(Target_x86_64<size>::Scan::local): Likewise.
2561	(Target_x86_64<size>::Scan::global): Likewise.
2562	(Target_x86_64<size>::Relocate::relocate): Likewise.
2563	(Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
2564	Likewise.
2565	(Target_x86_64<size>::Scan::check_non_pic(): Handle
2566	R_X86_64_PC32_BND.
2567
2568	* testsuite/Makefile.am (check_PROGRAMS): Add
2569	exception_x86_64_bnd_test.
2570	(exception_x86_64_bnd_test_SOURCES): New macro.
2571	(exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
2572	(exception_x86_64_bnd_test_LDFLAGS): Likewise.
2573	(exception_x86_64_bnd_test_LDADD): Likewise.
2574	(exception_x86_64_bnd_1.o): New rule.
2575	(exception_x86_64_bnd_2.o): Likewise.
2576	* testsuite/Makefile.in: Regenerated.
2577
25782013-11-15  Alan Modra  <amodra@gmail.com>
2579
2580	* powerpc.cc (Target_powerpc::glink_section): Provide non-const
2581	accessor.
2582	(Target_powerpc::Branch_info::make_stub): Make global entry stubs.
2583	Only call ppc64_local_entry_offset for 64-bit.  Restrict
2584	symval_for_branch lookup to ELFv1.
2585	(Stub_table::add_plt_call_entry): Use unsigned int off.
2586	(Output_data_glink::Address, invalid_address): New.
2587	(Output_data_glink::add_eh_frame): Move out of line.  Add
2588	support for ELFv2.
2589	(Output_data_glink::add_global_entry, find_global_entry,
2590	global_entry_address): New functions.
2591	(Output_data_glink::global_entry_stubs_, end_branch_table_,
2592	ge_size): New variables.
2593	(Output_data_glink::set_final_data_size): Add global entry
2594	stub sizing.
2595	(Output_data_glink::do_write): Write global entry stubs.
2596	(Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
2597	parameter.  Return true for ELFv2.  Adjust callers.
2598	(Target_powerpc::Scan::local, global): Restrict opd lookup to
2599	ELFv1.  Similarly for ifunc and dynamic relocation processing
2600	specific to ELFv1.  Recognize that symbols are defined on
2601	their plt entries for ELFv2.
2602	(Target_powerpc::symval_for_branch): Assert if called for
2603	ELFv2 or ppc32.
2604	(Target_powerpc::Relocate::relocate): Use global entry plt
2605	stub for symbol value if such exists on ELFv2.
2606	(Target_powerpc::Relocate::relocate): Don't call
2607	symval_for_branch when ELFv2.  Do adjust for local entry
2608	offset when ELFv2.
2609	(Target_powerpc::do_dynsym_value): Set symbols to global entry
2610	plt stub for ELFv2.
2611	(Target_powerpc::do_plt_address_for_global): Similarly.
2612
26132013-11-14  Cary Coutant  <ccoutant@google.com>
2614
2615	Revert patch -- this did not fix the problem, and there is
2616	no race there.
2617
2618	2013-11-14  Cary Coutant  <ccoutant@google.com>
2619
2620	    PR gold/14860
2621	    * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
2622	    (Ehframe_hdr::set_final_data_size): Allocate a Lock.
2623	    * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
2624	    updating fde_offsets_.
2625	    (Eh_frame_hdr::lock_): New data member.
2626
26272013-11-14  Cary Coutant  <ccoutant@google.com>
2628
2629	* dwp.cc (Dwo_file_entry): New type.
2630	(File_list): Use Dwo_file_entry.
2631	(Dwo_file::verify): New function.
2632	(Dwo_file::verify_dwo_list): New function.
2633	(Dwo_file::sized_verify_dwo_list): New function.
2634	(Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
2635	list.
2636	(Dwp_options): New enum type.
2637	(dwp_options): Add --verify-only.
2638	(usage): Likewise.
2639	(main): Likewise.
2640	* dwp.h (gold_info): Add declaration.
2641
26422013-11-14  Cary Coutant  <ccoutant@google.com>
2643
2644	PR gold/14860
2645	* ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
2646	(Ehframe_hdr::set_final_data_size): Allocate a Lock.
2647	* ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
2648	updating fde_offsets_.
2649	(Eh_frame_hdr::lock_): New data member.
2650
26512013-11-06  Cary Coutant  <ccoutant@google.com>
2652
2653	PR gold/15758
2654	* object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
2655	before reloc sections.
2656
26572013-11-04  Alan Modra  <amodra@gmail.com>
2658
2659	* symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
2660	(Symbol::needs_dynamic_reloc): Test new flag.
2661	* powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
2662	(Target_powerpc::Scan::get_reference_flags): Add target param.
2663	Return FUNC_DESC_ABI for 64-bit ELFv1.
2664	(Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
2665	call.
2666	(Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
2667	(Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
2668
26692013-10-31  Cary Coutant  <ccoutant@google.com>
2670
2671	Restore support for dwp v2 DWARF package file format.
2672
2673	* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
2674	tu_length parameter.  Adjust all callers.
2675	* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
2676	* dwp.cc: Include dwarf.h.
2677	(Section_bounds): New struct type.
2678	(Unit_set): New struct type.
2679	(Dwo_file::Dwo_file): Initialize new data member.
2680	(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
2681	Combine and rename to...
2682	(Dwo_file::read_unit_index): ...this.
2683	(Dwo_file::sized_read_compunit_index)
2684	(Dwo_file::sized_read_typeunit_index): Combine and rename to...
2685	(Dwo_file::sized_read_unit_index): ...this.
2686	(Dwo_file::copy_section): Remove section_name, is_str_offsets
2687	parameters; add section_id parameter.
2688	(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
2689	(Dwo_file::add_unit_set): ...this.
2690	(Dwo_file::shndx_map_): Remove.
2691	(Dwo_file::sect_offsets_): New data member.
2692	(Dwp_output_file::Dwp_output_file): Initialize new data members.
2693	(Dwp_output_file::add_section): Rename to...
2694	(Dwp_output_file::add_contribution): ...this.
2695	(Dwp_output_file::add_cu_set): Combine parameters into a struct.
2696	(Dwp_output_file::add_tu_set): Likewise.
2697	(Dwp_output_file::Contribution): New type.
2698	(Dwp_output_file::Section::contributions): New data member.
2699	(Dwp_output_file::Cu_or_tu_set): Remove.
2700	(Dwp_output_file::Section::Section): New ctor.
2701	(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
2702	(Dwp_output_file::Dwp_index::Section_table): New type.
2703	(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
2704	(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
2705	parameter.
2706	(Dwp_output_file::Dwp_index::shndx_pool): Remove.
2707	(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
2708	(Dwp_output_file::Dwp_index::section_table): New member function.
2709	(Dwp_output_file::Dwp_index::section_table_end): New member function.
2710	(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
2711	(Dwp_output_file::Dwp_index::section_table_rows): New member function.
2712	(Dwp_output_file::Dwp_index::section_table_cols): New member function.
2713	(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
2714	(Dwp_output_file::Dwp_index::section_table_): New data member.
2715	(Dwp_output_file::Dwp_index::section_mask_): New data member.
2716	(Dwp_output_file::add_output_section): New member function.
2717	(Dwp_output_file::write_new_section): New member function.
2718	(Dwp_output_file::write_contributions): New member function.
2719	(Dwp_output_file::section_id_map_): New data member.
2720	(class Dwo_id_info_reader): Remove.
2721	(class Unit_reader): New class.
2722	(get_dwarf_section_name): New function.
2723	(Dwo_file::read_executable): Adjust initializations of class data.
2724	(Dwo_file::read): Add support for v2 package file format.
2725	(Dwo_file::read_unit_index): Likewise.
2726	(Dwo_file::sized_read_unit_index): Likewise.
2727	(Dwo_file::copy_section): Likewise.
2728	(Dwo_file::add_unit_set): Likewise.
2729	(Dwp_output_file::add_output_section): Likewise.
2730	(Dwp_output_file::add_contribution): Likewise.
2731	(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
2732	for empty slot.
2733	(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
2734	file format.
2735	(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
2736	slot.
2737	(Dwp_output_file::initialize): Remove unused function.
2738	(Dwp_output_file::finalize): Add support for v2 package file format.
2739	(Dwp_output_file::write_index): Likewise.
2740	* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
2741	function prototype.
2742
27432013-10-31  Cary Coutant  <ccoutant@google.com>
2744
2745	* configure.ac: Fix check for -fmerge-constants.
2746	* configure.ac: Regenerate.
2747
27482013-10-30  Roland McGrath  <mcgrathr@google.com>
2749
2750	* x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
2751	Correct 9-byte nop sequence to match what the assembler generates.
2752
27532013-10-30  Alan Modra  <amodra@gmail.com>
2754
2755	* powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
2756	ppc64_local_entry_offset, ppc64_local_entry_offset,
2757	do_read_symbols): New functions.
2758	(Powerpc_relobj::e_flags_, st_other_): New vars.
2759	(Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
2760	(Powerpc_dynobj::abiversion, set_abiversion): New functions.
2761	(Powerpc_relobj::e_flags_): New var.
2762	(Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
2763	and adjust for ELFv2.
2764	(Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
2765	(Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
2766	(Powerpc_dynobj::do_find_special_sections): Likewise.
2767	(Target_powerpc::do_define_standard_symbols): Define ".TOC.".
2768	(Target_powerpc::Branch_info::make_stub): Adjust stub destination
2769	to ELFv2 local entry.
2770	(Target_powerpc::do_relax): No thread safe barriers needed for
2771	ELFv2.
2772	(Output_data_plt_powerpc::initial_plt_entry_size_,
2773	plt_entry_size): Delete.  Replace all uses with
2774	first_plt_entry_offset() and plt_entry_size().
2775	(Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
2776	reserved_size parm.  Update callers.
2777	(Output_data_plt_powerpc::entry_count): Update.
2778	(Output_data_plt_powerpc::first_plt_entry_offset): Make private
2779	and use Target_powerpc::first_plt_entry_offset().
2780	(Output_data_plt_powerpc::get_plt_entry_size): Similarly and
2781	rename to plt_entry_size.
2782	(Output_data_plt_powerpc::add_ifunc_entry,
2783	add_local_ifunc_entry): Adjust reloc for ELFv2.
2784	(glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
2785	(glink_eh_frame_fde_64v2): New.
2786	(Stub_table::plt_call_size): Support ELFv2 sizing.
2787	(Output_data_glink::add_eh_frame): Use the new FDE.
2788	(Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
2789	(Stub_table::do_write): Write ELFv2 stubs and glink.
2790	(Target_powerpc::Relocate::relocate): Replaces nop after call
2791	with ld 2,24(1) and adjust local offset destination for ELFv2.
2792
27932013-10-30  Alan Modra  <amodra@gmail.com>
2794
2795	* powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
2796	(Target_powerpc::Scan::global, local): Likewise.
2797	(Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
2798	on all ppc64 @h and @ha relocs.
2799
28002013-10-14  Alan Modra  <amodra@gmail.com>
2801
2802	* output.h (Output_data_got::add_constant): Tidy.
2803	(Output_data_got::add_constant_pair): New function.
2804	* powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
2805	methods used so as to first call reserve_ent().
2806
28072013-10-11  Roland McGrath  <mcgrathr@google.com>
2808
2809	* powerpc.cc (Output_data_got_powerpc): Remove unused methods
2810	add_got_entry and add_got_entry_pair.
2811
2812	* configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
2813	(HAVE_PUBNAMES): Likewise.
2814	* configure: Regenerate.
2815
2816	* testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
2817	* testsuite/Makefile.in: Regenerate.
2818
2819	* target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
2820	Remove const from declaration.
2821	* target.cc (Sized_target::do_adjust_elf_header): Update definition.
2822	* sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
2823	* output.h (Output_file_header): Remove const from member target_
2824	and corresponding constructor argument.
2825	* output.cc (Output_file_header::Output_file_header): Update prototype.
2826	(Output_file_header::do_sized_write): Use this->target_ in place
2827	of parameters()->target().
2828
2829	* testsuite/undef_symbol.cc (Foo::get_a): New method.
2830
2831	* configure.ac (MERGE_CONSTANTS_FLAG): New check.
2832	* configure: Regenerate.
2833	* Makefile.in: Regenerate.
2834	* testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
2835	* testsuite/merge_string_literals_2.c: Likewise.
2836	* testsuite/Makefile.am
2837	(merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
2838	(AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
2839	literal -fmerge-constants.
2840	* testsuite/Makefile.in: Regenerate.
2841
2842	* i386.cc (Target_i386): Remove unused member dynbss_.
2843	* arm.cc (Target_arm): Likewise.
2844	* powerpc.cc (Target_powerpc): Likewise.
2845	* sparc.cc (Target_sparc): Likewise.
2846	* tilegx.cc (Target_tilegx): Likewise.
2847	* x86_64.cc (Target_x86_64): Likewise.
2848	* dwarf_reader.h (Dwarf_info_reader): Remove unused members
2849	type_signature_, type_offset_.
2850	* plugin.h (Plugin_hook): Remove unused member layout_.
2851	* readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
2852	mapfile_.
2853	(Read_member): Remove unused members input_objects_, symtab_,
2854	mapfile_, layout_.
2855	(Check_library): Remove unused member symtab_.
2856	* archive.h (Lib_group): Remove unused member lib_.
2857	* archive.cc (Lib_group::Lib_group): Update initializer.
2858	* incremental.h	(Incremental_binary): Remove unused member target_.
2859	(Incremental_script_entry): Removed unused member script_.
2860	* layout.h (Write_symbols_task): Remove unused member input_objects_.
2861	* icf.h (Icf): Remove unused member num_tracked_relocs.
2862
2863	* gold-threads.h (Once): Conditionalize member was_run_lock_ on
2864	[ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
2865	its only use.
2866	* gold-threads.cc (Once::Once): Likewise conditionalize initializer.
2867
2868	* archive.h: Use struct rather than class for forward declaration
2869	of Read_symbols_data.
2870
28712013-10-07  Cary Coutant  <ccoutant@google.com>
2872
2873	PR gold/16010
2874	* testsuite/Makefile.am (icf_test): Fix dependencies.
2875	(icf_safe_test): Likewise.
2876	(icf_safe_so_test): Likewise.
2877	(large_symbol_alignment): Add empty _LDADD rule.
2878	* testsuite/Makefile.in: Regenerate.
2879
28802013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>
2881
2882	PR gold/15927
2883	* x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
2884	relocation for R_X86_64_32 on x32.
2885
28862013-08-27  Roland McGrath  <mcgrathr@google.com>
2887
2888	* output.cc (Output_segment::set_section_addresses): Take new
2889	Target* argument.  If target->isolate_execinstr() and the segment
2890	is executable and starts at a target->abi_pagesize() boundary,
2891	pad its end out to a target->abi_pagesize() boundary with code fill.
2892	* output.h (Output_segment::set_section_addresses): Update decl.
2893	* layout.h (Layout::check_output_data_for_reset_values): Take new
2894	argument RELAX_OUTPUTS.
2895	(Layout): New member relax_output_list_.
2896	(Layout::add_relax_output): New method.
2897	* layout.cc (Layout::Layout): Update constructor.
2898	(Layout::reset_relax_output): New method.
2899	(Layout::clean_up_after_relaxation): Call it.
2900	(Layout::prepare_for_relaxation): Update caller.
2901	(Layout::set_segment_offsets): Update callers of set_section_addresses.
2902	Call reset_relax_output before re-processing segments for
2903	isolate_execinstr case.
2904	(Layout::write_data): Handle relax_output_list_.
2905	(Layout::Relaxation_debug_check::check_output_data_for_reset_values):
2906	Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.
2907
29082013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
2909
2910	PR binutils/15834
2911	* object.h: Fix typos.
2912
29132013-08-16  Roland McGrath  <mcgrathr@google.com>
2914
2915	* i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
2916	* x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.
2917
29182013-08-07  Cary Coutant  <ccoutant@google.com>
2919
2920	Revert support for v2 DWP files:
2921
2922	2013-03-01  Cary Coutant  <ccoutant@google.com>
2923
2924	    Add dwp support for v2 DWARF package file format.
2925	    * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
2926	    tu_length parameter.  Adjust all callers.
2927	    * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
2928	    * dwp.cc: Include dwarf.h.
2929	    (Section_bounds): New struct type.
2930	    (Unit_set): New struct type.
2931	    (Dwo_file::Dwo_file): Initialize new data member.
2932	    (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
2933	    Combine and rename to...
2934	    (Dwo_file::read_unit_index): ...this.
2935	    (Dwo_file::sized_read_compunit_index)
2936	    (Dwo_file::sized_read_typeunit_index): Combine and rename to...
2937	    (Dwo_file::sized_read_unit_index): ...this.
2938	    (Dwo_file::copy_section): Remove section_name, is_str_offsets
2939	    parameters; add section_id parameter.
2940	    (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
2941	    (Dwo_file::add_unit_set): ...this.
2942	    (Dwo_file::shndx_map_): Remove.
2943	    (Dwo_file::sect_offsets_): New data member.
2944	    (Dwp_output_file::Dwp_output_file): Initialize new data members.
2945	    (Dwp_output_file::add_section): Rename to...
2946	    (Dwp_output_file::add_contribution): ...this.
2947	    (Dwp_output_file::add_cu_set): Combine parameters into a struct.
2948	    (Dwp_output_file::add_tu_set): Likewise.
2949	    (Dwp_output_file::Contribution): New type.
2950	    (Dwp_output_file::Section::contributions): New data member.
2951	    (Dwp_output_file::Cu_or_tu_set): Remove.
2952	    (Dwp_output_file::Section::Section): New ctor.
2953	    (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
2954	    (Dwp_output_file::Dwp_index::Section_table): New type.
2955	    (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
2956	    (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
2957	    parameter.
2958	    (Dwp_output_file::Dwp_index::shndx_pool): Remove.
2959	    (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
2960	    (Dwp_output_file::Dwp_index::section_table): New member function.
2961	    (Dwp_output_file::Dwp_index::section_table_end): New member function.
2962	    (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
2963	    (Dwp_output_file::Dwp_index::section_table_rows): New member function.
2964	    (Dwp_output_file::Dwp_index::section_table_cols): New member function.
2965	    (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
2966	    (Dwp_output_file::Dwp_index::section_table_): New data member.
2967	    (Dwp_output_file::Dwp_index::section_mask_): New data member.
2968	    (Dwp_output_file::add_output_section): New member function.
2969	    (Dwp_output_file::write_new_section): New member function.
2970	    (Dwp_output_file::write_contributions): New member function.
2971	    (Dwp_output_file::section_id_map_): New data member.
2972	    (class Dwo_id_info_reader): Remove.
2973	    (class Unit_reader): New class.
2974	    (get_dwarf_section_name): New function.
2975	    (Dwo_file::read_executable): Adjust initializations of class data.
2976	    (Dwo_file::read): Add support for v2 package file format.
2977	    (Dwo_file::read_unit_index): Likewise.
2978	    (Dwo_file::sized_read_unit_index): Likewise.
2979	    (Dwo_file::copy_section): Likewise.
2980	    (Dwo_file::add_unit_set): Likewise.
2981	    (Dwp_output_file::add_output_section): Likewise.
2982	    (Dwp_output_file::add_contribution): Likewise.
2983	    (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
2984	    for empty slot.
2985	    (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
2986	    file format.
2987	    (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
2988	    slot.
2989	    (Dwp_output_file::initialize): Remove unused function.
2990	    (Dwp_output_file::finalize): Add support for v2 package file format.
2991	    (Dwp_output_file::write_index): Likewise.
2992	    * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
2993	    function prototype.
2994
29952013-07-31  Cary Coutant  <ccoutant@google.com>
2996
2997	* object.cc (Sized_relobj::do_output_section_address): New function.
2998	(Sized_relobj): Instantiate explicitly.
2999	* object.h (Object::output_section_address): New function.
3000	(Object::do_output_section_address): New function.
3001	(Sized_relobj::do_output_section_address): New function.
3002	* powerpc.cc (Target_powerpc::symval_for_branch): Use it.
3003
30042013-07-30  Cary Coutant  <ccoutant@google.com>
3005	    Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
3006
3007	* parameters.cc (Parameters::entry): Return target-specific entry
3008	symbol name.
3009	* target.h (Target::entry_symbol_name): New function.
3010	(Target_info::entry_symbol_name): New data member.
3011
3012	* arm.cc (Target_arm::arm_info): Add entry_symbol_name.
3013	* i386.cc (Target_i386::i386_info): Likewise.
3014	(Target_i386_nacl::i386_nacl_info): Likewise.
3015	* sparc.cc (Target_sparc::sparc_info): Likewise.
3016	* tilegx.cc (Target_tilegx::tilegx_info): Likewise.
3017	* x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
3018	(Target_x86_64_nacl::x86_64_nacl_info) Likewise.
3019	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
3020
30212013-07-22  Sterling Augustine  <saugustine@google.com>
3022
3023	* dwarf_reader.cc (Dwarf_pubnames_table::read_section):
3024	Convert parameter shndx to local variable. Add parameters symtab
3025	and symtab_size.  Scan over section names.  Find relocation
3026	section corresponding to current section.  Create and initialize
3027	reloc_mapper_ and reloc_type_.
3028	(Dwarf_pubnames_table::read_header):  Add assertion.  Change
3029	unit_length to off_t.  Initialize member unit_length_.  Fill in field
3030	cu_offset_.
3031	* dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
3032	Initialize new fields unit_length_ and cu_offset_.
3033	(Dwarf_pubnames_table::read_section): Update prototype.
3034	(Dwarf_pubnames_table::cu_offset): New member function.
3035	(Dwarf_pubnames_table::subsection_size): Likewise.
3036	(Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
3037	New fields.
3038	(Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
3039	member functions public.
3040	* gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
3041	Update comment.  Rework logic.  Move repeated parts to...
3042	(Gdb_index_info_reader::read_pubtable): ...here. New function.
3043	(Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
3044	pubtypes_table_, and stmt_list_offset.
3045	(Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
3046	Gdb_index::find_pubtype_offset,
3047	Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
3048	(Gdb_index::pubnames_read): Update prototype and rework logic.
3049	* gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
3050	Forward declare.
3051	(Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
3052	Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
3053	Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
3054	Gdb_index::map_pubtable_to_dies):
3055	Declare functions.
3056	(Gdb_index::pubnames_read): Update declaration.
3057	(Gdb_index::Pubname_offset_map): New type.
3058	(Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
3059	Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
3060	Gdb_index::stmt_list_offset): Declare.
3061	(Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
3062	Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
3063	Gdb_index::pubtypes_offset_): Remove.
3064
30652013-07-19  Roland McGrath  <mcgrathr@google.com>
3066
3067	* options.h (General_options): Add -Trodata-segment option.
3068	* parameters.cc (Parameters::check_rodata_segment): New function.
3069	(Parameters::set_target_once): Call it.
3070	* parameters.h (Parameters): Declare it (private member function).
3071	* layout.cc (load_seg_unusable_for_headers): New function, broken
3072	out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
3073	then validate rodata segment rather than text segment.
3074	(relaxation_loop_body): Call that.
3075	(is_text_segment): New function.  Don't admit a non-executable
3076	segment if TARGET->isolate_execinstr().
3077	(set_segment_offsets): Call it.  Honor -Trodata-segment option.
3078
30792013-07-15  Shawn Landden  <shawnlandden@gmail.com>
3080
3081	PR gold/15070
3082	* fileread.h (File_read::get_view): Clarify comment about ALIGNED.
3083	* nacl.h (Sniff_file::View::View): Request aligned view.
3084
30852013-07-11  Cary Coutant  <ccoutant@google.com>
3086
3087	* powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
3088	correct BRLT entry size.
3089
30902013-07-03  Alan Modra  <amodra@gmail.com>
3091
3092	* powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
3093	comment.
3094
30952013-07-01  Cary Coutant  <ccoutant@google.com>
3096
3097	* dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
3098	reloc_type_.
3099	(Dwarf_ranges_table::read_range_list): Call lookup_reloc.
3100	(Dwarf_ranges_table::lookup_reloc): New function.
3101	* dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
3102	reloc_type_.
3103	(Dwarf_ranges_table::lookup_reloc): New function.
3104	(Dwarf_ranges_table::reloc_type_): New data member.
3105
31062013-06-27  Jing Yu  <jingyu@google.com>
3107
3108	PR gold/15662
3109	* powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
3110	function.
3111	(Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
3112	(Target_powerpc::do_relax): Call the above.
3113
31142013-06-27  Cary Coutant  <ccoutant@google.com>
3115
3116	* powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
3117	on garbage collected .opd section.
3118
31192013-06-27  Alan Modra  <amodra@gmail.com>
3120
3121	* powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
3122	is non-zero.
3123	(Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
3124	(Target_powerpc::do_function_location): Likewise for loc->shndx.
3125
31262013-06-14  Cary Coutant  <ccoutant@google.com>
3127
3128	* resolve.cc (Symbol::override_base): Don't override st_type
3129	from plugin placeholder symbols.
3130	(Symbol_table::resolve): Likewise.
3131	(Symbol_table::should_override): Don't complain about TLS mismatch
3132	if the TO symbol is a plugin placeholder.
3133	* testsuite/Makefile.am (plugin_test_tls): New test.
3134	* testsuite/Makefile.in: Regenerate.
3135	* testsuite/plugin_test_tls.sh: New test script.
3136	* testsuite/two_file_test_2_tls.cc: New test source.
3137	* testsuite/two_file_test_tls.cc: New test source.
3138
31392013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3140
3141	* layout.cc (Layout::set_segment_offsets): Taking care of the case when
3142	the maximum segment alignment is larger than the page size.
3143	* testsuite/Makefile.am (large_symbol_alignment): Test that Gold
3144	correctly aligns the symbols with large alignemnt.
3145	* testsuite/Makefile.in: Regenerate.
3146	* testsuite/large_symbol_alignment.cc: New file.
3147
31482013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3149	    Sriraman Tallam  <tmsriram@google.com>
3150
3151	* options.h (sort_section): New option.
3152	* output.h (Input_section_sort_section_prefix_special_ordering_compare):
3153	Rename from Input_section_sort_section_name_special_ordering_compare.
3154	(Input_section_sort_section_name_compare): New struct.
3155	* output.cc (Output_section::Input_section_sort_section_name_compare::
3156	operator()): New function.
3157	(Output_section::sort_attached_input_sections): Use new sort function
3158	for .text if --sort-section=name is specified.
3159	* layout.cc (Layout::make_output_section):
3160	Add sorting by name when --sort-section=name is specified.
3161	* testsuite/Makefile.am (text_section_grouping): Test option
3162	--sort-section=name.
3163	* testsuite/Makefile.in: Regenerate.
3164	* testsuite/section_sorting_name.cc: New file.
3165	* testsuite/section_sorting_name.sh: New file.
3166
31672013-05-21  Cary Coutant  <ccoutant@google.com>
3168
3169	* symtab.h (Symbol::is_cxx_vtable): New function.
3170	* target-reloc.h (relocate_section): Check for vtable symbol.
3171	* testsuite/Makefile.am (missing_key_func.sh): New test case.
3172	* testsuite/Makefile.in: Regenerate.
3173	* testsuite/missing_key_func.cc: New test source.
3174	* testsuite/missing_key_func.sh: New test script.
3175
31762013-05-21  Cary Coutant  <ccoutant@google.com>
3177
3178	* object.cc (Sized_relobj_file::get_symbol_location_info): Set
3179	type of enclosing symbol.
3180	(Relocate_info::location): Check symbol type when describing symbol.
3181	* object.h (Symbol_location_info): Remove unused line_number;
3182	add enclosing_symbol_type.
3183	* testsuite/debug_msg.sh: Adjust expected output.
3184
31852013-05-13  Cary Coutant  <ccoutant@google.com>
3186
3187	* configure.ac: Export DEFAULT_TARGET.
3188	* configure: Regenerate.
3189	* Makefile.in: Regenerate.
3190	* testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
3191	* testsuite/Makefile.in: Regenerate.
3192	* testsuite/debug_msg.sh: Delete duplicate tests.
3193	Don't check undef_int error message match for powerpc where the
3194	source file and line number aren't available.
3195
31962013-05-10  Roland McGrath  <mcgrathr@google.com>
3197
3198	* options.h (General_options): Add --rosegment-gap option.
3199	* options.cc (finalize): --rosegment-gap implies --rosegment.
3200	* layout.cc (set_segment_offsets): Let user option override
3201	target->rosegment_gap().
3202
32032013-05-10  Roland McGrath  <mcgrathr@google.com>
3204
3205	* options.h (General_options): Remove leading space from help
3206	messages for -nostdlib and --rosegment.
3207
32082013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
3209
3210	PR ld/15365
3211	* layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
3212
32132013-05-03  Alan Modra  <amodra@gmail.com>
3214
3215	* merge.cc (Output_merge_string::do_add_input_section): Correct
3216	scan for number of strings.  Rename vars to avoid shadowing.
3217	Include missing terminator in input_size_.
3218
32192013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
3220
3221	* merge.cc (Output_merge_string<Char_type>::do_add_input_section):
3222	Restore empty string handling.
3223
32242013-05-01  Cary Coutant  <ccoutant@google.com>
3225
3226	* stringpool.cc (Stringpool_template::new_key_offset): Fix
3227	uninitialized warning.
3228
32292013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
3230
3231	* output.cc (Output_section::add_merge_input_section): Allow
3232	to merge sections if the alignment is more than character size.
3233	* merge.h (Output_merge_string::Output_merge_string): Remove
3234	assert.
3235	* merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
3236	only not-null strings. Check the alignment of strings.
3237	* stringpool.h
3238	(Stringpool_template<Stringpool_char>::Stringpool_template): Add
3239	alignment as the argument.
3240	(Stringpool_template<Stringpool_char>::addralign_): New class member.
3241	* stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
3242	Align non-zero length strings according to the addralign_.
3243	(Stringpool_template<Stringpool_char>::set_string_offsets):
3244	Updating offsets according to the given alignment.
3245	* testsuite/Makefile.am (text_section_grouping): Test if string
3246	literals are getting merged.
3247	* testsuite/Makefile.in: Regenerate.
3248	* testsuite/merge_string_literals_1.c: New file.
3249	* testsuite/merge_string_literals_2.c: Ditto.
3250	* testsuite/merge_string_literals.sh: Ditto.
3251
32522013-04-26  Ian Lance Taylor  <iant@google.com>
3253
3254	* target-reloc.h (relocate_section): If the reloc offset is out of
3255	range, pass VIEW as NULL to relocate.relocate.
3256	* arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
3257	* i386.cc (Target_i386::Relocate::relocate): Likewise.
3258	* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
3259	* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
3260	* tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
3261	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3262
32632013-04-26  Geoff Pike  <gpike@chromium.org>
3264
3265	* gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
3266	* layout.cc (Hash_task): New class.
3267	(Layout::queue_build_id_tasks): New function.
3268	(Layout::write_build_id): Handle single-thread portion of build ID
3269	computation.  (In some cases, all of it is single-threaded.)  Replace
3270	{sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
3271	functionality in fewer lines of code.
3272	* layout.h (Layout::queue_build_id_tasks): New function declaration.
3273	* options.h (General_options): make "--build-id" default to tree
3274	rather than sha1.  Add two new options related to --build-id=tree:
3275	--build-id-chunk-size-for-treehash and
3276	--build-id-min-file-size-for-treehash.
3277	* Makefile.am: add testing of --build-id=tree and related new options
3278	(these tests will be invoked by "make check").
3279	* Makefile.in: Regenerate.
3280
32812013-04-25  Alan Modra  <amodra@gmail.com>
3282
3283	* configure.tgt: Add powerpcle and powerpc64le.
3284
32852013-04-22  Alan Modra  <amodra@gmail.com>
3286
3287	PR gold/15355
3288	* layout.cc (Layout::segment_precedes): Allow more than one
3289	segment with the same type and flags.
3290
32912013-04-15  Cary Coutant  <ccoutant@google.com>
3292
3293	* layout.cc (Layout::set_relocatable_section_offsets): Don't
3294	allocate space in file for BSS sections.
3295
32962013-04-15  Cary Coutant  <ccoutant@google.com>
3297
3298	* script-sections.cc (Orphan_output_section): Reset address
3299	to zero after each orphaned section for relocatable links.
3300
33012013-04-15  Cary Coutant  <ccoutant@google.com>
3302
3303	* symtab.cc (Symbol_table::sized_write_globals): Subtract
3304	section starting address for relocatable link.
3305	* testsuite/Makefile.am (script_test_11): New test.
3306	* testsuite/Makefile.in: Regenerate.
3307	* testsuite/script_test_11.c: New source file.
3308	* testsuite/script_test_11.t: New linker script.
3309
33102013-04-13  Alan Modra  <amodra@gmail.com>
3311
3312	* powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
3313	owner when sections are not adjacent and exceed group size.
3314	(Target_powerpc::group_sections): Handle corner case.
3315	(Target_powerpc::Branch_info::make_stub): Handle case where
3316	stub table doesn't exist due to branches in non-exec sections.
3317	(Target_powerpc::Relocate::relocate): Likewise.
3318
33192013-04-11  Alan Modra  <amodra@gmail.com>
3320
3321	PR gold/15354
3322	* powerpc.cc (Target_powerpc::make_brlt_section): Name section
3323	.branch_lt to match bfd ld.  Adjust comments throughout file.
3324
33252013-04-04  Ian Lance Taylor  <iant@google.com>
3326
3327	GCC PR c++/56840
3328	* object.cc (do_layout_deferred_sections): Handle .eh_frame
3329	sections before checking whether they are included in the link.
3330
33312013-03-29  Sriraman Tallam  <tmsriram@google.com>
3332
3333	* archive.cc (Archive::get_elf_object_for_member):  Create the elf
3334	object before calling the plugin claim_file handler.  Pass the elf
3335	object of the archive to the plugin. Delete the elf object if the
3336	plugin claims the file.
3337
33382013-03-21  Alan Modra  <amodra@gmail.com>
3339
3340	* layout.cc (Layout::set_segment_offsets): Accept writable .text
3341	segment when omagic.
3342
33432013-03-21  Alan Modra  <amodra@gmail.com>
3344
3345	* dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
3346	comparison warning.
3347	* layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
3348	uninitialized" warning.
3349
33502013-03-20  Alan Modra  <amodra@gmail.com>
3351
3352	* symtab.h (Symbol::clear_version): New function.
3353	* symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
3354	is_needed by weak references.  Clear version for symbols defined
3355	in as-needed objects that are not needed.
3356
33572013-03-15  Alan Modra  <amodra@gmail.com>
3358
3359	* powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
3360	static and public.  Add report_err param.  Return false for data refs.
3361	(Target_powerpc::rela_dyn_section): New overloaded function.
3362	(Target_powerpc::plt_, iplt_): Elucidate.
3363	(Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
3364	(Output_data_plt_powerpc::do_write): Don't write .iplt.
3365	(Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
3366	(Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
3367	calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
3368	push_branch and make_plt_entry for ifunc syms when
3369	reloc_needs_plt_for_ifunc.
3370	(Target_powerpc::Relocate::relocate): Don't use plt entry value
3371	for ifunc unless reloc_needs_plt_for_ifunc.
3372
33732013-03-15  Alan Modra  <amodra@gmail.com>
3374
3375	* gc.h (gc_process_relocs): Don't look through function descriptors.
3376	* icf.cc (get_section_contents): Do so here instead.
3377
33782013-03-13  Alan Modra  <amodra@gmail.com>
3379
3380	* powerpc.cc (is_branch_reloc): Forward declare.
3381	(Target_powerpc::do_can_check_for_function_pointers): New predicate.
3382	(Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
3383	false for 64-bit, true for 32-bit non-branch relocs.
3384	(Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
3385	* testsuite/Makefile.am (icf_test): Use linker map file instead of
3386	nm output.
3387	(icf_safe_test): Generate linker map file as well as nm output.
3388	(icf_safe_so_test): Likewise.
3389	* testsuite/Makefile.in: Regenerate.
3390	* testsuite/icf_test.sh: Parse linker map file to determine
3391	section folding.
3392	* testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
3393	* testsuite/icf_safe_so_test.sh: Likewise.
3394	(X86_32_or_ARM_specific_safe_fold): Merge into..
3395	(arch_specific_safe_fold): ..this.
3396	(X86_64_specific_safe_fold): Delete unused function.
3397
33982013-03-12  Alan Modra  <amodra@gmail.com>
3399
3400	* gc.h (gc_process_relocs): Look through function descriptors
3401	to determine shndx, symvalue and addend used by ICF.  Tidy
3402	variable duplication.
3403
34042013-03-11  Alan Modra  <amodra@gmail.com>
3405
3406	* gold.cc (queue_middle_tasks): Move detect_odr_violations..
3407	* layout.cc (Layout_task_runner::run): ..to here.
3408	* symtab.h (struct Symbol_location): Extract from..
3409	(class Symbol_table): ..here.
3410	* symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
3411	* target.h (class Target): Add function_location and
3412	do_function_location functions.
3413	(class Sized_target): Add do_function_location.
3414	* object.h (class Sized_relobj_file): Move find_shdr..
3415	(class Object): ..to here.
3416	* object.cc: Likewise.  Update to suit.  Instantiate.
3417	(Sized_relobj_file::find_eh_frame): Update find_shdr call.
3418	* powerpc.cc (class Powerpc_dynobj): New.
3419	(Target_powerpc::do_function_location): New function.
3420	(Powerpc_relobj::do_find_special_sections): Update find_shdr call.
3421	(Powerpc_dynobj::do_read_symbols): New function.
3422	(Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
3423
34242013-03-08  Ian Lance Taylor  <iant@google.com>
3425
3426	* options.cc (General_options::string_to_object_format): Accept
3427	"default".
3428
34292013-03-08  Alan Modra  <amodra@gmail.com>
3430
3431	* ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
3432	pointer to Post_fde.
3433	(struct Post_fde): Move definition to here..
3434	* ehframe.cc (struct Post_fde): ..from here.
3435	(Cie::write): Don't alloc Post_fde.
3436	(Eh_frame::do_sized_write): Update.  Don't free Post_fde.
3437
34382013-03-07  Alan Modra  <amodra@gmail.com>
3439
3440	* testsuite/discard_locals_relocatable_test.c: Add a powerpc
3441	relocation referencing .LC0.
3442	* testsuite/discard_locals_test.sh: Remove FIXMEs.
3443
34442013-03-07  Alan Modra  <amodra@gmail.com>
3445
3446	* testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
3447	always_inline.  Add assembly for powerpc to avoid GOT.
3448
34492013-03-07  Alan Modra  <amodra@gmail.com>
3450
3451	* testsuite/script_test_10.sh: Don't test .bss section
3452	header number.
3453
34542013-03-06  Alan Modra  <amodra@gmail.com>
3455
3456	* powerpc.cc (class Powerpc_relobj): Move some member functions.
3457	(Target_powerpc::symval_for_branch):  Add symtab param.  Update
3458	all callers.  Handle folded sections.
3459	(Target_powerpc::do_gc_add_reference): Don't cast dynamic object
3460	to Powerpc_relobj.
3461	(Global_symbol_visitor_opd::operator()): Likewise.
3462
34632013-03-04  Alan Modra  <amodra@gmail.com>
3464
3465	* testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
3466	* testsuite/Makefile.in: Regenerate.
3467
34682013-03-01  Cary Coutant  <ccoutant@google.com>
3469
3470	Add dwp support for v2 DWARF package file format.
3471	* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
3472	tu_length parameter.  Adjust all callers.
3473	* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
3474	* dwp.cc: Include dwarf.h.
3475	(Section_bounds): New struct type.
3476	(Unit_set): New struct type.
3477	(Dwo_file::Dwo_file): Initialize new data member.
3478	(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
3479	Combine and rename to...
3480	(Dwo_file::read_unit_index): ...this.
3481	(Dwo_file::sized_read_compunit_index)
3482	(Dwo_file::sized_read_typeunit_index): Combine and rename to...
3483	(Dwo_file::sized_read_unit_index): ...this.
3484	(Dwo_file::copy_section): Remove section_name, is_str_offsets
3485	parameters; add section_id parameter.
3486	(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
3487	(Dwo_file::add_unit_set): ...this.
3488	(Dwo_file::shndx_map_): Remove.
3489	(Dwo_file::sect_offsets_): New data member.
3490	(Dwp_output_file::Dwp_output_file): Initialize new data members.
3491	(Dwp_output_file::add_section): Rename to...
3492	(Dwp_output_file::add_contribution): ...this.
3493	(Dwp_output_file::add_cu_set): Combine parameters into a struct.
3494	(Dwp_output_file::add_tu_set): Likewise.
3495	(Dwp_output_file::Contribution): New type.
3496	(Dwp_output_file::Section::contributions): New data member.
3497	(Dwp_output_file::Cu_or_tu_set): Remove.
3498	(Dwp_output_file::Section::Section): New ctor.
3499	(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
3500	(Dwp_output_file::Dwp_index::Section_table): New type.
3501	(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
3502	(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
3503	parameter.
3504	(Dwp_output_file::Dwp_index::shndx_pool): Remove.
3505	(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
3506	(Dwp_output_file::Dwp_index::section_table): New member function.
3507	(Dwp_output_file::Dwp_index::section_table_end): New member function.
3508	(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
3509	(Dwp_output_file::Dwp_index::section_table_rows): New member function.
3510	(Dwp_output_file::Dwp_index::section_table_cols): New member function.
3511	(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
3512	(Dwp_output_file::Dwp_index::section_table_): New data member.
3513	(Dwp_output_file::Dwp_index::section_mask_): New data member.
3514	(Dwp_output_file::add_output_section): New member function.
3515	(Dwp_output_file::write_new_section): New member function.
3516	(Dwp_output_file::write_contributions): New member function.
3517	(Dwp_output_file::section_id_map_): New data member.
3518	(class Dwo_id_info_reader): Remove.
3519	(class Unit_reader): New class.
3520	(get_dwarf_section_name): New function.
3521	(Dwo_file::read_executable): Adjust initializations of class data.
3522	(Dwo_file::read): Add support for v2 package file format.
3523	(Dwo_file::read_unit_index): Likewise.
3524	(Dwo_file::sized_read_unit_index): Likewise.
3525	(Dwo_file::copy_section): Likewise.
3526	(Dwo_file::add_unit_set): Likewise.
3527	(Dwp_output_file::add_output_section): Likewise.
3528	(Dwp_output_file::add_contribution): Likewise.
3529	(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
3530	for empty slot.
3531	(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
3532	file format.
3533	(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
3534	slot.
3535	(Dwp_output_file::initialize): Remove unused function.
3536	(Dwp_output_file::finalize): Add support for v2 package file format.
3537	(Dwp_output_file::write_index): Likewise.
3538	* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
3539	function prototype.
3540
35412013-03-01  Cary Coutant  <ccoutant@google.com>
3542
3543	* dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
3544	function into class definition in header file.
3545	(Dwarf_info_reader::warn_corrupt_debug_section): New function.
3546	* dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
3547	New function.
3548	(Dwarf_info_reader::check_buffer): Move here from .cc file.
3549
35502013-02-28  Alan Modra  <amodra@gmail.com>
3551
3552	* target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
3553	* target.cc (Target::do_plt_fde_location): New function.
3554	* ehframe.h (class FDE): Add post_map field to u_.from_linker,
3555	accessor function, and constructor param.
3556	(struct Post_fde, Post_fdes): Declare.
3557	(Cie::write): Add post_fdes param.
3558	* ehframe.cc (Fde::write): Use plt_fde_location.
3559	(struct Post_fde): Define.
3560	(Cie::write): Stash FDEs added post merge mapping.
3561	(Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
3562	Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
3563	(Eh_frame::do_sized_write): Arrange to write post map FDES after
3564	other FDEs.
3565	* powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
3566	(Target_powerpc::has_glink): New function.
3567	(Target_powerpc::do_relax): Add eh_frame info for stubs.
3568	(struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
3569	glink_eh_frame_fde_32, default_fde): New data.
3570	(Stub_table::eh_frame_added_): New var.
3571	(Stub_table::find_long_branch_entry, stub_address, stub_offset):
3572	Make const.
3573	(Stub_table::add_eh_frame): New function.
3574	(Output_data_glink::add_eh_frame): New function.
3575	(Target_powerpc::make_glink_section): Call add_eh_frame.
3576
35772013-02-15  Ian Lance Taylor  <iant@google.com>
3578
3579	* options.h (DEFINE_uint64_alias): Define.
3580	(class General_options): Add -Ttext-segment as an alias for
3581	-Ttext.
3582
35832013-02-15  Alan Modra  <amodra@gmail.com>
3584
3585	* powerpc.cc (Stub_table::plt_off): New function, extracted from..
3586	(Stub_table::do_write): ..here, two places.
3587	(Stub_table::plt_call_size): Use it here too.
3588
35892013-02-11  Ian Lance Taylor  <iant@google.com>
3590
3591	* descriptors.cc (Descriptors::close_all): New function.
3592	* descriptors.h (class Descriptors): Declare close_all.
3593	(close_all_descriptors): New inline function.
3594	* plugin.cc: Include "descriptors.h".
3595	(Plugin_manager::cleanup): Call close_all_descriptors.
3596
35972013-02-06  Alan Modra  <amodra@gmail.com>
3598
3599	* README: Update coding style link.
3600
36012013-01-28  Cary Coutant  <ccoutant@google.com>
3602
3603	* dwp.cc (File_list): New typedef.
3604	(Dwo_name_info_reader): New class.
3605	(Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
3606	(Dwo_id_info_reader::visit_top_die): Remove unused member function.
3607	(Dwo_file::~Dwo_file): Delete input_file_ after obj_.
3608	(Dwo_file::read_executable): New function.
3609	(Dwo_file::read): Move common setup code to ...
3610	(Dwo_file::make_object): ... here.
3611	(dwp_options): Add --exec/-e.
3612	(usage): Likewise.
3613	(main): Likewise.
3614
36152013-01-24  Sriraman Tallam  <tmsriram@google.com>
3616
3617	* layout.cc (Layout::layout): Check for option text_reorder.
3618	(Layout::make_output_section): Ditto.
3619	* options.h (text_reorder): New option.
3620	* output.cc (Input_section_sort_compare): Remove special ordering
3621	of section names.
3622	(Output_section::
3623	 Input_section_sort_section_name_special_ordering_compare::
3624	 operator()): New function.
3625	(Output_section::sort_attached_input_sections): Use new sort function
3626	for .text.
3627	* output.h (Input_section_sort_section_name_special_ordering_compare):
3628	New struct.
3629	* testsuite/Makefile.am (text_section_grouping): Test option
3630	--no-text-reorder
3631	* testsuite/Makefile.in: Regenerate.
3632	* testsuite/text_section_grouping.sh: Check order of functions without
3633	default text reordering.
3634
36352013-01-18  Mike Frysinger  <vapier@gentoo.org>
3636
3637	* options.h (General_options): Change default to true for new_dtags.
3638
36392013-01-18  Mike Frysinger  <vapier@gentoo.org>
3640
3641	* layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
3642	when enable_new_dtags is false.  Only add DT_RUNPATH when
3643	enable_new_dtags is true.
3644
36452013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
3646
3647	* powerpc.cc (Stub_table::find_plt_call_entry): Make types
3648	used in declaration and definition consistent.
3649	(Target_powerpc::symval_for_branch): Ditto.
3650
36512013-01-16  Sriraman Tallam  <tmsriram@google.com>
3652
3653	* testsuite/plugin_final_layout.cc: Fix comment.
3654
36552013-01-16  Sriraman Tallam  <tmsriram@google.com>
3656
3657	* layout.cc (Layout::layout): Do not do default sorting for
3658	text sections when section ordering is specified.
3659	(make_output_section): Ditto.
3660	* testsuite/plugin_final_layout.cc: Name the function sections
3661	to catch reordering issues.
3662
36632013-01-15  Alan Modra  <amodra@gmail.com>
3664
3665	* powerpc.cc (Target_powerpc::do_relax): Default shared libs to
3666	plt-thread-safe.
3667
36682013-01-15  Alan Modra  <amodra@gmail.com>
3669
3670	* testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
3671	* testsuite/Makefile.in: Regenerate.
3672
36732013-01-14  Alan Modra  <amodra@gmail.com>
3674
3675	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
3676	* testsuite/Makefile.in: Regenerate.
3677
36782013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
3679
3680	PR bfd/14430
3681	Fix mingw gold build with plugins enabled
3682	* Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
3683	* configure.ac: Export DLOPEN_LIBS and add headers check.
3684	* plugin.cc: Handle non-dlfcn case.
3685	* Makefile.in: Regenerate.
3686	* config.in: Regenerate.
3687	* configure: Regenerate.
3688	* testsuite/Makefile.in: Regenerate.
3689
36902013-01-09  Sriraman Tallam  <tmsriram@google.com>
3691
3692	* output.h (sort_attached_input_sections): Change to be public.
3693	* script-sections.cc
3694	(Output_section_definition::set_section_addresses): Sort
3695	attached input sections according to section order before linker
3696	script assigns section addresses.
3697	(Orphan_output_section::set_section_addresses): Sort
3698	attached input sections according to section order before linker
3699	script assigns section addresses.
3700	* Makefile.am (final_layout.sh): Use a simple linker script to
3701	check if section ordering still works.
3702	* Makefile.in: Regenerate.
3703
37042013-01-09  Ben Cheng  <bccheng@google.com>
3705
3706	* arm.cc (Target_arm::attributes_accept_div): New function.
3707	(Target_arm::attributes_forbid_div): New function.
3708	(Target_arm::merge_object_attributes): Merge the Tag_DIV_use
3709	attribute using the same new functions as what bfd/elf32_arm.c
3710	does.
3711
37122013-01-07  Cary Coutant  <ccoutant@google.com>
3713
3714	PR gold/14993
3715	* output.cc (Output_section::add_input_section): For incremental
3716	updates, don't track input sections that are allocated from patch
3717	space.
3718
37192013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3720	    Ian Lance Taylor  <iant@google.com>
3721
3722	PR gold/14897
3723	* configure.ac (--enable-ld): Removed.
3724	(install_as_default): Set to yes only for --enable-gold=default
3725	or --disable-ld.
3726	* configure: Regenerated.
3727
37282013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3729
3730	* options.h (General_options): Add -fuse-ld= for GCC linker
3731	option compatibility.
3732
37332013-01-04  Cary Coutant  <ccoutant@google.com>
3734
3735	* configure.ac: Fix typo restoring CXXFLAGS.
3736	* configure: Regenerate.
3737
37382013-01-04  Cary Coutant  <ccoutant@google.com>
3739
3740	* testsuite/Makefile.am (CXXLINK_S): New macro.
3741	(debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
3742	* testsuite/Makefile.in: Regenerate.
3743
37442013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3745
3746	* version.cc (print_version): Update copyright year to 2013.
3747
37482012-12-20  Ian Lance Taylor  <iant@google.com>
3749
3750	* layout.cc (Layout::special_ordering_of_input_section): New
3751	function.
3752	(Layout::layout): If input section requires special ordering, must
3753	sort input sections.
3754	(Layout::make_output_section): May sort .text input sections.
3755	(Layout::is_section_name_prefix_grouped): Remove.
3756	* layout.h (class Layout): Declare
3757	special_ordering_of_input_section.  Don't declare
3758	is_section_name_prefix_grouped.
3759	* output.cc (Output_section::add_input_section): Revert last
3760	change.
3761	(Output_section::Input_section_sort::match_file_name): Don't crash
3762	if called on output section data.
3763	(Output_section::Input_section_sort_compare): Sort based on
3764	special ordering.
3765	(Output_section::Input_section_sort_section_order_index_compare):
3766	Revert last patch.
3767	(Output_section::sort_attached_input_sections): Likewise.
3768
37692012-12-18  Sriraman Tallam  <tmsriram@google.com>
3770
3771	* layout.cc (Layout::is_section_name_prefix_grouped): New function.
3772	* layout.h (Layout::is_section_name_prefix_grouped): New function.
3773	* output.cc (Output_section::add_input_section): Check if section
3774	name contains special prefix.  Keep input sections to sort such
3775	sections.
3776	(Output_section::Input_section_sort_section_order_index_compare
3777	 ::operator()): Group sections according to prefixes.
3778	(Output_section::sort_attached_input_sections): Add condition to
3779	Input_section_entry constructor call.
3780	* testsuite/Makefile.am (text_section_grouping): New test.
3781	* testsuite/Makefile.in: Regenerate.
3782	* testsuite/text_section_grouping.cc: New file.
3783	* testsuite/text_section_grouping.sh: New file.
3784
37852012-12-17  Nick Clifton  <nickc@redhat.com>
3786
3787	* Makefile.am: Add copyright notice.
3788	* NEWS: Likewise.
3789	* README: Likewise.
3790	* configure.ac: Likewise.
3791	* ftruncate.c: Likewise.
3792	* Makefile.in: Regenerate.
3793
37942012-12-14  Cary Coutant  <ccoutant@google.com>
3795
3796	* testsuite/Makefile.am (exception_separate_shared_12_test): Add
3797	--no-as-needed flag.
3798	(exception_separate_shared_12_test): Likewise.
3799	(incremental_copy_test): Likewise.
3800	* testsuite/Makefile.in: Regenerate.
3801
38022012-12-14  Cary Coutant  <ccoutant@google.com>
3803
3804	* dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
3805	(Dwp_output_file::Dwp_index::enter_set): Add assert.
3806
38072012-12-12  Alan Modra  <amodra@gmail.com>
3808
3809	* powerpc.cc (class Track_tls): New.
3810	(class Relocate, class Scan): Inherit Track_tls.
3811	(Target_powerpc::Scan::local, global): Track tls optimization
3812	and avoid creating plt entry for __tls_get_addr if all uses
3813	are optimized away.
3814	(Target_powerpc::Relocate::relocate): Update to use Track_tls.
3815
38162012-12-12  Alan Modra  <amodra@gmail.com>
3817
3818	* options.h (General_options): Add --toc-sort/--no-toc-sort.
3819	Replace no_toc_optimize with toc_optimize.
3820	* output.h (Output_section::input_sections): Provide non-const variant.
3821	* powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
3822	set_has_small_toc_reloc, has_small_toc_reloc): New variable and
3823	accessors.
3824	(Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
3825	(class Sort_toc_sections): New.
3826	(Target_powerpc::do_finalize_sections): Sort toc sections.
3827	(Target_powerpc::Relocate::relocate): Update toc_optimize test.
3828
38292012-12-10  Roland McGrath  <mcgrathr@google.com>
3830
3831	* testsuite/binary_unittest.cc (read_all): New function.
3832	(Sized_binary_test): Use it instead of ::read.
3833	* fileread.cc (do_read): Don't assume pread always reads the whole
3834	amount in a single call.
3835
38362012-12-10  Alan Modra  <amodra@gmail.com>
3837
3838	* powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
3839	Set EM_PPC64 or EM_PPC here.
3840	(Target_selector_powerpc::do_recognize): Delete.
3841
38422012-12-10  Alan Modra  <amodra@gmail.com>
3843
3844	* powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
3845	stub_table_.
3846	(Target_powerpc::Branch_info::make_stub): Don't omit addend.
3847
38482012-12-07  Roland McGrath  <mcgrathr@google.com>
3849
3850	* testsuite/binary_unittest.cc (Sized_binary_test):
3851	Use open_descriptor rather than ::open.
3852
38532012-12-07  Alan Modra  <amodra@gmail.com>
3854
3855	* powerpc.cc (Stub_table::do_write): Delete redundant Address
3856	typedef and invalid_address constant.
3857	(Output_data_glink, Stub_table, Target_powerpc): Explicitly
3858	instantiate constants.
3859
38602012-12-06  Roland McGrath  <mcgrathr@google.com>
3861
3862	* configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
3863	Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
3864	* aclocal.m4: Regenerate.
3865	* configure: Regenerate.
3866	* Makefile.in: Regenerate.
3867	* testsuite/Makefile.in: Regenerate.
3868
38692012-12-07  Alan Modra  <amodra@gmail.com>
3870
3871	* options.h (General_options): Add no_toc_optimize.
3872	* powerpc.cc (ok_lo_toc_insn): New function.
3873	(Target_powerpc::Relocate::relocate): Optimize toc access sequences.
3874
38752012-12-06  Alan Modra  <amodra@gmail.com>
3876
3877	* options.h (General_options): Add plt_align, plt_static_chain,
3878	plt_thread_safe.  Update stub_group_size help text.
3879	* powerpc.cc (Target_powerpc::plt_thread_safe): New access function
3880	for new plt_thread_safe_ var.
3881	(use_plt_offset): Correct comments.
3882	(Target_powerpc::do_relax): Look for thread creation symbols to
3883	determine default plt_thread_safe value.  Clear plt call stubs
3884	as well as branch stubs each iteration.
3885	(add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
3886	insn constants.
3887	(l, hi, ha, write_insn): Move earlier.
3888	(Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
3889	(Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
3890	plt stubs too.
3891	(Stub_table::update_size): Adjust.
3892	(Stub_table::prev_size, set_prev_size): Delete.
3893	(Stub_table::stub_align): Let --plt-align affect result.
3894	(Stub_table::plt_call_size): Calculate sizes for various stubs.
3895	(Stub_table::branch_stub_size): Use last_plt_size in address calc.
3896	(Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
3897	(Stub_table::do_write): Support more stub variants.
3898
38992012-12-04  Alan Modra  <amodra@gmail.com>
3900
3901	* powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
3902	(Target_powerpc::do_define_standard_symbols): New function.
3903
39042012-12-03  Alan Modra  <amodra@gmail.com>
3905
3906	* output.h: Formatting, whitespace.
3907
39082012-12-03  Alan Modra  <amodra@gmail.com>
3909
3910	* layout.h (Layout::get_executable_sections): Declare.
3911	* layout.cc (Layout::get_executable_sections): New function.
3912	* arm.cc (Target_arm::group_sections): Use it.
3913	(Arm_output_section::group_sections): Delete now redundant test.
3914	* output.cc (Output_reloc::Output_reloc): Add is_relative.
3915	param to handle relative relocs.
3916	* output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
3917	(Output_data_reloc::add_absolute): Adjust.
3918	(Output_data_reloc::add_relative): New function.
3919	(Output_data::reset_data_size): New function.
3920	(Output_relaxed_input_section::set_relobj, set_shndx): New functions.
3921	(Output_section::set_addralign): New function.
3922	(Output_section::checkpoint_set_addralign): New function.
3923	(Output_section::clear_section_offsets_need_adjustment): New function.
3924	(Output_section::input_sections): Make public.
3925	* powerpc.cc (class Output_data_brlt_powerpc): New.
3926	(class Stub_table, class Stub_control): New.
3927	(Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
3928	stub_table_, set_stub_table, stub_table): New vectors and accessor
3929	functions.
3930	(Target_powerpc::do_may_relax, do_relax, push_branch,
3931	new_stub_table, stub_tables, brlt_section, group_sections,
3932	add_branch_lookup_table, find_branch_lookup_table,
3933	write_branch_lookup_table, make_brlt_section): New functions.
3934	(Target_powerpc::struct Sort_sections, class Branch_info): New.
3935	(Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
3936	branch_info_): New vars.
3937	(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
3938	make call stubs here.
3939	(Output_data_glink): Remove all call stub handling from this class.
3940	(Target_powerpc::Scan::local, global): Save interesting branch
3941	relocs and relocs for ifunc.  Adjust calls to plt entry functions.
3942	(Target_powerpc::do_finalize_sections): Only make reg save/restore
3943	functions on final link.
3944	(Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
3945	Handle long branch destinations too.
3946	(Target_powerpc::do_dynsym_value, do_plt_address_for_global,
3947	do_plt_address_for_local): Adjust lookup of plt call stubs.
3948
39492012-11-30  Alan Modra  <amodra@gmail.com>
3950
3951	* powerpc.c (Target_powerpc::Scan::global): Don't emit relative
3952	relocs against protected symbols when building 32-bit shared libs.
3953
39542012-11-30  Alan Modra  <amodra@gmail.com>
3955
3956	* powerpc.cc (Target_powerpc::make_plt_section): Add symtab
3957	param.  Call got_section() to make .got.  Update all callers
3958	and their callers and so on.
3959
39602012-11-30  Alan Modra  <amodra@gmail.com>
3961
3962	* powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
3963	_GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
3964	(Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
3965	value if it already exists.
3966
39672012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
3968
3969	PR gold/14858
3970	* x86_64.cc (Relocate::tls_ld_to_le): Support x32.
3971
39722012-11-14  Roland McGrath  <mcgrathr@google.com>
3973
3974	* arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
3975	than bfc instruction for data sandboxing.
3976
39772012-11-08  Alan Modra  <amodra@gmail.com>
3978
3979	* po/POTFILES.in: Regenerate.
3980
39812012-11-05  Alan Modra  <amodra@gmail.com>
3982
3983	* configure.ac: Apply 2012-09-10 change to config.in here.
3984	* configure: Regenerate.
3985
39862012-11-05  Alan Modra  <amodra@gmail.com>
3987
3988	* powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
3989	(struct Opd_ent): Use "Address" rather than "Offset".
3990	(Output_data_got_powerpc::got_base_offset): Return Valtype.
3991	(Target_powerpc::got_section): Make public.
3992	(Target_powerpc::scan_relocs): Move code setting symbols..
3993	(Powerpc_relobj::do_scan_relocs): ..to here, new function.
3994	Create _SDA_BASE_ only when referenced.
3995
39962012-11-02  Roland McGrath  <mcgrathr@google.com>
3997
3998	* i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
3999	from last change.
4000
40012012-11-01  Roland McGrath  <mcgrathr@google.com>
4002
4003	* target.h (Sized_target::relocate_relocs): Use Elf_Off
4004	for offset_in_output_section parameter.
4005	(Sized_target::relocate_special_relocatable): Likewise.
4006	* arm.cc (Target_arm::relocate_relocs): Likewise.
4007	(Target_arm::relocate_special_relocatable): Likewise.
4008	* i386.cc (Target_i386::relocate_relocs): Likewise.
4009	* powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
4010	* sparc.cc (Target_sparc::relocate_relocs): Likewise.
4011	* target-reloc.h (relocate_relocs): Likewise.
4012	* testsuite/testfile.cc (Target_test): Likewise.
4013	* tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
4014	* x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
4015
4016	* system.h: Move inclusion of <clocale> to after <libintl.h> in
4017	[ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
4018
4019	* descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
4020	parameter, which is unused in the [!F_SETFD] case.
4021
4022	* dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
4023	SYMNDX to off_t before comparing it to this->data_size().
4024	* output.cc (Output_symtab_xindex::endian_do_write): Likewise.
4025	* incremental.cc (Output_section_incremental_inputs::do_write):
4026	Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
4027
4028	* nacl.cc: Include "libiberty.h" for vasprintf declaration.
4029
40302012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
4031
4032	* gold.cc (Target_arm::do_adjust_elf_header): Add the
4033	hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
4034	in EABI_VER5.
4035
40362012-10-29  Cary Coutant  <ccoutant@google.com>
4037
4038	* dwp.cc (usage): Add file and exit status parameters;
4039	add --help and --version options.
4040	(print_version): New function.
4041	(main): Add --help and --version options.
4042
40432012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4044
4045	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add
4046	final_layout_sequence.txt.
4047	* testsuite/Makefile.in: Regenerated.
4048
40492012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4050
4051	* testsuite/Makefile.am (COMPILE1): New variable. Renamed from
4052	COMPILE generated by automake.
4053	(LINK1): Likewise.
4054	(CXXCOMPILE1): Likewise.
4055	(CXXLINK1): Likewise.
4056	(COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
4057	(LINK): Likewise.
4058	(CXXCOMPILE): Likewise.
4059	(CXXLINK): Likewise.
4060	* testsuite/Makefile.in: Regenerated.
4061
40622012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4063
4064	* dwp.cc (Dwo_file::record_target_info): Issue a fatal error
4065	on bad fwrite return.
4066
40672012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
4068
4069	* dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
4070	on val.
4071
40722012-10-23  Cary Coutant  <ccoutant@google.com>
4073
4074	* testsuite/Makefile.am (TEST_OBJCOPY): New macro.
4075	* testsuite/Makefile.in: Regenerate.
4076	* testsuite/dwp_test.h: New source file.
4077	* testsuite/dwp_test_1.cc: New source file.
4078	* testsuite/dwp_test_1.s: New source file.
4079	* testsuite/dwp_test_1.sh: New source file.
4080	* testsuite/dwp_test_1b.cc: New source file.
4081	* testsuite/dwp_test_1b.s: New source file.
4082	* testsuite/dwp_test_2.cc: New source file.
4083	* testsuite/dwp_test_2.s: New source file.
4084	* testsuite/dwp_test_2.sh: New source file.
4085	* testsuite/dwp_test_main.cc: New source file.
4086	* testsuite/dwp_test_main.s: New source file.
4087
40882012-10-23  Cary Coutant  <ccoutant@google.com>
4089
4090	* dwp.h: New header file.
4091	* dwp.cc: New source file.
4092	* gold.h: Move shared declarations to system.h.
4093	* system.h: New header file.
4094	* Makefile.am: Add dwp.
4095	* Makefile.in: Regenerate.
4096
40972012-10-23  Cary Coutant  <ccoutant@google.com>
4098
4099	* dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
4100	Dwarf_info_reader::read_from_pointer.
4101	(Dwarf_pubnames_table::read_header): Likewise.
4102	(Dwarf_pubnames_table::next_name): Likewise.
4103	(Dwarf_die::read_attributes): Likewise.
4104	(Dwarf_die::skip_attributes): Likewise.
4105	(Dwarf_info_reader::read_from_pointer): New function template.
4106	* dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
4107	(Dwarf_pubnames_table): Likewise.
4108	(Dwarf_info_reader::read_from_pointer): New function template.
4109	* gdb-index.cc (Gdb_index_info_reader): Adjust call to
4110	Dwarf_pubnames_table ctor.
4111
41122012-10-23  Cary Coutant  <ccoutant@google.com>
4113
4114	* dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
4115	abbrev_shndx.
4116	* dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
4117	abbrev_shndx_.
4118	(Dwarf_info_reader::set_abbrev_shndx): New method.
4119	(Dwarf_info_reader::abbrev_shndx_): New data member.
4120
41212012-10-23  Cary Coutant  <ccoutant@google.com>
4122
4123	* dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
4124	from object, not parameters.
4125	(Dwarf_info_reader::parse): Likewise.
4126	* object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
4127	(Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
4128	(Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
4129	methods.
4130
41312012-10-23  Cary Coutant  <ccoutant@google.com>
4132
4133	* fileread.cc (Input_file::Input_file): New constructor.
4134	* fileread.h (class Input_file): Add new constructor.
4135
41362012-10-18  Alan Modra  <amodra@gmail.com>
4137
4138	PR gold/14727
4139	* object.cc (Relobj::is_section_name_included): Also match
4140	.sdata personality section.
4141
41422012-10-18  Alan Modra  <amodra@gmail.com>
4143
4144	* target-reloc.h (class Default_comdat_behavior): New, package up..
4145	(get_comdat_behaviour): ..this.
4146	(relocate_section): Add Relocate_comdat_behavior template arg,
4147	adjust code to suit.
4148	* arm.cc (Target_arm::relocate_section): Adjust to suit.
4149	(Target_arm::scan_reloc_section): Likewise.
4150	* i386.cc (Target_i386::relocate_section): Likewise.
4151	* sparc.cc (Target_sparc::relocate_section): Likewise.
4152	* tilegx.cc (Target_tilegx::relocate_section): Likewise.
4153	* x86_64.cc (Target_x86_64::relocate_section): Likewise.
4154	* powerpc.cc (class Relocate_comdat_behavior): New.
4155	(Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
4156	gold::relocate_section with new template arg.
4157
41582012-10-18  Alan Modra  <amodra@gmail.com>
4159
4160	* powerpc.cc (Target_powerpc::Scan::local, global): Always emit
4161	dynamic relocs for GOT_TPREL got entries, without symbol if
4162	resolving locally.
4163	(Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
4164	(Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
4165	(Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
4166
41672012-10-17  Alan Modra  <amodra@gmail.com>
4168
4169	PR gold/14726
4170	* gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
4171
41722012-10-16  Sriraman Tallam  <tmsriram@google.com>
4173
4174	* layout.cc (Layout::include_section): Keep sections marked
4175	SHF_EXCLUDE when doing relocatable links.
4176
41772012-10-16  Alan Modra  <amodra@gmail.com>
4178
4179	* powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
4180	(Target_powerpc::do_finalize_sections): Call it.
4181	(Output_data_save_res): New class and supporting functions.
4182	(Target_powerpc::symval_for_branch): Only look up .opd entry for
4183	normal symbols defined in object files.
4184
41852012-10-12  Alan Modra  <amodra@gmail.com>
4186
4187	* powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
4188	(struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
4189	(Target_powerpc::do_gc_mark_symbol): Delay marking function code
4190	section if scan_opd_relocs not yet called.
4191	(Target_powerpc::gc_process_relocs): Call process_gc_mark.
4192
41932012-10-12  Alan Modra  <amodra@gmail.com>
4194
4195	* powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
4196	add_local_ifunc_entry): Revert last change.
4197	(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
4198
41992012-10-05  Alan Modra  <amodra@gmail.com>
4200
4201	* powerpc.cc (Target_powerpc::do_plt_address_for_local,
4202	do_plt_address_for_global): New functions.
4203	(Output_data_got_powerpc::do_write): Don't segfault when linking
4204	statically.
4205	(Output_data_plt_powerpc::add_entry, add_ifunc_entry,
4206	add_local_ifunc_entry): Return true on adding entry..
4207	(Target_powerpc::make_plt_entry): ..use to avoid unnecessary
4208	glink->add_entry call.  Remove unused symtab param.  Adjust calls.
4209	(Target_powerpc::make_local_ifunc_plt_entry): Likewise.
4210	(Target_powerpc::make_iplt_section): Remove symtab param.  Don't
4211	set up symbols here.
4212	(Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
4213	syms here.  Do so even when no .iplt.  Don't segfault when linking
4214	statically.
4215	(Output_data_glink::add_entry, find_entry): Rearrange params.  Add
4216	new variants without reloc param.
4217	(Glink_sym_ent::Glink_sym_ent): Likewise.
4218	(Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
4219	reloc when refs will resolve to plt call stub.
4220	(Target_powerpc::Scan::local): Correct ifunc handling.  Allow
4221	R_PPC_PLTREL24 to resolve locally.
4222	(Target_powerpc::Scan::global): Correct ifunc handling.
4223	(Target_powerpc::Relocate::relocate): Correct local sym glink
4224	lookup.  Don't destroy "value" when we have a plt call stub,
4225	and when checking plt call validity.
4226	(Target_powerpc::do_dynsym_value): Simplify.
4227
42282012-10-05  Alan Modra  <amodra@gmail.com>
4229
4230	* i386.cc (Output_data_plt_i386::address_for_global,
4231	address_for_local): Add plt offset to returned value.  Adjust uses.
4232	* sparc.cc (Output_data_plt_sparc::address_for_global,
4233	address_for_local): Likewise.
4234	* tilegx.cc (Output_data_plt_tilegx::address_for_global,
4235	address_for_local): Likewise.
4236	* x86_64.cc (Output_data_plt_x86_64::address_for_global,
4237	address_for_local): Likewise.
4238	* target.h (Target::plt_address_for_global, plt_address_for_local):
4239	Update comment.
4240	* output.cc (Output_reloc::symbol_value): Don't add plt offset here.
4241	(Output_data_got::Got_entry::write): Nor here.
4242	* output.h: Comment fix.
4243
42442012-10-02  Jiong Wang  <jiwang@tilera.com>
4245
4246	* tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
4247	global_offset_table_ value for larget got.
4248	(Target_tilegx::Relocate::relocate): Handle adjusted got value.
4249
42502012-09-29  Alan Modra  <amodra@gmail.com>
4251
4252	* powerpc.cc (Target_powerpc::iplt_): New output section.
4253	(Target_powerpc::iplt_section, make_iplt_section,
4254	reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
4255	(Target_powerpc::make_plt_entry): Handle ifunc syms.
4256	Target_powerpc::plt_entry_count): Count iplt entries too.
4257	(Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
4258	reloc section in constructor.  New params.
4259	(Target_powerpc::make_plt_section): Create reloc section here instead.
4260	(Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
4261	functions.
4262	(Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
4263	(Output_data_glink::add_entry, find_entry): New functions to
4264	deal with local syms.
4265	(Glink_sym_ent): Add support for local syms.
4266	(Output_data_glink::do_write): Handle ifunc plt entries.
4267	(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
4268	(Target_powerpc::Scan::local, global): Handle ifunc syms.
4269	(Target_powerpc::Relocate::relocate): Likewise.
4270	(Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
4271
42722012-09-25  Alan Modra  <amodra@gmail.com>
4273
4274	* object.h (Sized_relobj_file::adjust_local_symbol,
4275	do_adjust_local_symbol): New functions.
4276	* object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
4277	* powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
4278	(Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
4279	and irregular opd entry spacing.
4280	(Powerpc_relobj::do_read_relocs): Add opd size checks.
4281	(Global_symbol_visitor_opd): New functor.
4282	(Target_powerpc::do_finalize_sections): Omit global symbols defined
4283	on deleted opd entries.
4284
42852012-09-15  Jiong Wang  <jiwang@tilera.com>
4286
4287	* tilegx.cc: New file.
4288	* Makefile.am (TARGETSOURCES): Add tilegx.cc
4289	(ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
4290	* configure.tgt: Add entries for tilegx*.
4291	* configure.ac: Likewise.
4292	* Makefile.in: Rebuild.
4293	* configure: Likewise.
4294	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
4295	tilegx.
4296
42972012-09-13  Alan Modra  <amodra@gmail.com>
4298
4299	* target-reloc.h (scan_relocs): Call scan.local for relocs
4300	against symbols in discarded sections.  Pass is_discarded
4301	param.
4302	* arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
4303	Add is_discarded param.
4304	* powerpc (Target_powerpc::Scan::local): Likewise.  Use
4305	is_discarded to flag opd entry as discarded.  Don't emit dyn
4306	relocs on such entries.
4307	(Target_powerpc::Scan::global): Similarly detect and handle
4308	such opd entries.
4309	(Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
4310	opd_ent_.  Update all uses.
4311	(Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
4312	(Target_powerpc::relocate_section): Zero out discarded opd
4313	entry relocs.
4314
43152012-09-12  Ian Lance Taylor  <iant@google.com>
4316
4317	PR gold/14570
4318	* output.cc: Rename Output_data_got template parameter from size
4319	to got_size for all functions.  Compile all variants of
4320	Output_data_got.
4321	(Output_data_got::Got_entry::write): Correct use of size for
4322	symbol value.  Use local_is_tls rather than casting to
4323	Sized_relobj_file.
4324	* object.h (class Object): Add local_is_tls and do_local_is_tls.
4325	(class Sized_relobj_file): Add do_local_is_tls.
4326	* incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
4327
43282012-09-11  Alan Modra  <amodra@gmail.com>
4329
4330	PR gold/14566
4331	* layout.cc (Layout::set_segment_offsets): When using
4332	common-page-size alignment, ensure we are on a new max-page-size
4333	page.
4334	* output.cc (Output_segment::set_section_addresses): Use
4335	abi_pagesize, not common_pagesize for relro boundary.
4336	(Output_segment::set_offset): Likewise.
4337
43382012-09-11  Alan Modra  <amodra@gmail.com>
4339
4340	* output.h (Output_data_got::add_global_tls, add_local_tls,
4341	add_local_tls_pair): New functions.
4342	(Output_data_got::add_local_pair_with_rel): Remove second
4343	reloc param.  Expand comment.
4344	(Output_data_got::Got_entry): Rename use_plt_offset_ to
4345	use_plt_or_tls_offset_, similarly for constructor param.
4346	(Output_data_got::Got_entry::write): Add got_index param.
4347	* output.cc (Output_data_got::add_global_tls, add_local_tls,
4348	add_local_tls_pair): New functions.
4349	(Output_data_got::Got_entry::write): Handle tls symbols
4350	with use_plt_or_tls_offset_ set specially.
4351	(Output_data_got::add_local_pair_with_rel): Only one reloc.
4352	(Output_data_got::do_write): Replace iterator with index, pass
4353	index to entry write function.
4354	* target.h (Target::tls_offset_for_local, tls_offset_for_global,
4355	do_tls_offset_for_local, do_tls_offset_for_global): New functions.
4356	* arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
4357	call.
4358	* i386.cc (Target_i386::Scan::local): Likewise.
4359	* sparc.cc (Target_sparc::Scan::local): Likewise.
4360	* x86_64.cc (Target_x86_64::Scan::local): Likewise.
4361	* powerpc.cc (Target_powerpc::do_tls_offset_for_local,
4362	do_tls_offset_for_global): New functions.
4363	(Target_powerpc::Scan::local): Correct TLS relocations and got
4364	entry values.
4365	(Target_powerpc::Scan::global): Don't emit unnecessary
4366	dynamic relocations on TLS GOT entries.
4367
43682012-09-10  Matthias Klose  <doko@ubuntu.com>
4369
4370	* config.in: Disable sanity check for kfreebsd.
4371
43722012-09-10  Sterling Augustine  <saugustine@google.com>
4373
4374	* gdb-index.cc (Gdb_index::pubnames_read): New parameter.
4375	(Gdb_index::pubtypes_read): New parameter.
4376	(Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
4377	to calls.
4378	* gdb-index.h (Gdb_index): New fields pubnames_object_ and
4379	pubtypes_object_.
4380
43812012-09-09  Alan Modra  <amodra@gmail.com>
4382
4383	* target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
4384	(Sized_target::gc_add_reference, do_gc_add_reference): New functions.
4385	* gc.h (gc_process_relocs): Call target gc_add_reference.
4386	* gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
4387	* symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
4388	(Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
4389	unnecessary cast.
4390	* powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
4391	to cater for when we don't need code offset.  Update use.
4392	(Powerpc_relobj::access_from_map_, opd_valid_): New vars.
4393	(Powerpc_relobj::access_from_map, add_reference, opd_valid,
4394	set_opd_valid): New functions.
4395	(Target_powerpc::do_gc_add_reference): New function.
4396	(Target_powerpc::gc_process_relocs): Call gc()->add_reference on
4397	stashed refs.
4398	(Target_powerpc::do_gc_mark_symbol): New function.
4399
44002012-09-06  Cary Coutant  <ccoutant@google.com>
4401
4402	* dwarf_reader.cc (Dwarf_die::read_attributes): Add
4403	DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
4404	(Dwarf_die::skip_attributes): Likewise.
4405	* object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
4406	* testsuite/gdb_index_test.cc (inline_func_1): New function.
4407	(main): Call it.
4408	* testsuite/gdb_index_test_comm.sh: Check index for inline function.
4409
44102012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
4411
4412	* testsuite/script_test_3.t: Add .got.plt output section
4413	statement.
4414	* testsuite/script_test_4.t: Likewise.
4415
44162012-09-05  Alan Modra  <amodra@gmail.com>
4417
4418	* powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
4419	update all uses and lose "enum" when using type.
4420
44212012-09-05  Alan Modra  <amodra@gmail.com>
4422
4423	* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
4424	* configure: Regenerate.
4425	* testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
4426	(plugin_final_layout.stdout): Likewise.
4427	(memory_test): Set page sizes to 0x1000.
4428	* testsuite/Makefile.in: Regenerate.
4429	* testsuite/discard_locals_test.sh: Add FIXME comment.
4430	* testsuite/justsyms_exec.c: Disable function test for powerpc64.
4431	* testsuite/pr14265.t: Add .got output section statement.
4432	* testsuite/script_test_2.t: Likewise.
4433	* testsuite/script_test_3.t: Likewise.
4434	* testsuite/script_test_4.t: Likewise.
4435	* testsuite/script_test_5.t: Likewise.
4436	* testsuite/script_test_6.t: Likewise.
4437	* testsuite/script_test_7.t: Likewise.
4438	* testsuite/script_test_9.t: Likewise.
4439
44402012-09-05  Alan Modra  <amodra@gmail.com>
4441
4442	* powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
4443	(Powerpc_relocate_functions::Status): New typedef.
4444	(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
4445	(Target_powerpc::Scan::local): Handle REL64.
4446	(Target_powerpc::Scan::global): Likewise, and dynamic relocs
4447	for REL32 and REL64.
4448	(Target_powerpc::symval_for_branch): New function, extracted from..
4449	(Target_powerpc::Relocate::relocate): ..here.  Correct plt call
4450	checks.  Report overflow errors.
4451
44522012-09-05  Alan Modra  <amodra@gmail.com>
4453
4454	* object.h (Sized_relobj_file::emit_relocs): Delete.
4455	(Sized_relobj_file::emit_relocs_reltype): Delete.
4456	* reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
4457	relocate_relocs for --emit-relocs.
4458	(Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
4459	* output.h: Update comment.
4460	(Output_segment::first_section): New function.
4461	(Output_segment::first_section_load_address): Use first_section.
4462	* output.cc (Output_segment::first_section): New function extracted..
4463	(Output_segment::first_section_load_address): ..from here.  Delete.
4464	* target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
4465	* target.h (Sized_target::relocate_for_relocatable): Likewise.
4466	* arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
4467	adjust call to target.h function.
4468	* i386.cc (Target_i386): Likewise.
4469	* sparc.cc (Target_sparc): Likewise.
4470	* x86_64.cc (Target_x86_64): Likewise.
4471	* powerpc.cc (Target_powerpc): Likewise.
4472	(Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
4473	first tls section has section symbol for optimised local dynamic
4474	output relocs.
4475	(Target_powerpc::Relocate::relocate): Correct local dynamic value.
4476	(Target_powerpc::relocate_relocs): Adjust relocs emitted for
4477	optimised tls code.
4478	* testsuite/testfile.cc (Target_test::relocate_for_relocatable):
4479	Rename to relocate_relocs.  Update error message.
4480
44812012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
4482
4483	* powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
4484	--just-symbols.
4485
44862012-08-31  Alan Modra  <amodra@gmail.com>
4487
4488	* powerpc.cc (Powerpc_relobj): Add and use Address typedef.
4489	(Powerpc_relobj::toc_base_offset): New stub function.
4490	(Target_powerpc): Add tp_offset, dtp_offset.  Rename
4491	got_mod_index_offset to tlsld_got_offset.  Update all refs.
4492	(Target_powerpc::Relocate::enum skip_tls): New.
4493	(Target_powerpc::call_tls_get_addr_): New var.
4494	(Target_powerpc::is_branch_reloc): Move to file scope.
4495	(Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
4496	(Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
4497	New functions.
4498	(Target_powerpc::enum Got_type): Delete old values, add new ones.
4499	(powerpc_info): Correct common_pagesize for ppc64.
4500	(at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
4501	(Powerpc_relocate_functions): Add overflow check enums and functions.
4502	Add non-shift version of rela, rela_ua.  Delete all rel public
4503	functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
4504	addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
4505	addr16_ha3, addr14 functions.
4506	(Output_data_got_powerpc::add_constant_pair): New function.
4507	(Output_data_got_powerpc::got_base_offset): Likewise.
4508	(Output_data_got_powerpc::do_write): Correct 64-bit got header.
4509	(instruction constants): Sort, add some more.
4510	(Output_data_glink::do_write): Add and use Address typedef.  Use
4511	object->toc_base_offset() stub for 64-bit.
4512	(Target_powerpc::tlsld_got_offset): Use add_constant_pair.
4513	(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
4514	(Target_powerpc::Scan::local, global): Emit relative dynamic reloc
4515	for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
4516	Always treat .opd relocs as against locally defined symbol.
4517	Correct condition for RELATIVE relocs.
4518	(Target_powerpc::do_finalize_sections): Test for NULL sections.
4519	(Target_powerpc::Relocate::relocate): Use plt call stub as value
4520	for 32-bit syms with a plt entry.  Correct ppc64 toc base
4521	calculations.  Handle TLS relocs, and more.  Add overflow
4522	checking and adjust for Powerpc_relocate_functions changes.
4523	(Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
4524	Reinstate --emit-relocs code with FIXME.
4525
45262012-08-30  Alan Modra  <amodra@gmail.com>
4527
4528	* layout.cc (Layout::set_segment_offsets): Set p_align to
4529	abi_pagesize, not common_pagesize.
4530	(Layout::relaxation_loop_body): Similarly use abi_pagesize
4531	to determine whether file header can go in segment.
4532
45332012-08-30  Alan Modra  <amodra@gmail.com>
4534
4535	* output.h (Output_reloc::Output_reloc <output section>): Add
4536	is_relative param.  Adjust calls.
4537	(Output_reloc::add_output_section_relative): New functions.
4538	* output.cc (Output_reloc::Output_reloc <output section>): Handle
4539	is_relative.
4540	(Output_reloc::symbol_value): Handle SECTION_CODE.
4541
45422012-08-24  Sriraman Tallam  <tmsriram@google.com>
4543
4544	* gold.cc (queue_middle_tasks): Call layout again when unique
4545	segments for sections is desired.
4546	* layout.cc (Layout::Layout): Initialize new members.
4547	(Layout::get_output_section_flags): New function.
4548	(Layout::choose_output_section): Call get_output_section_flags.
4549	(Layout::layout): Make output section for mapping to a unique segment.
4550	(Layout::insert_section_segment_map): New function.
4551	(Layout::attach_allocated_section_to_segment): Make unique segment for
4552	output sections marked so.
4553	(Layout::segment_precedes): Check for unique segments when sorting.
4554	* layout.h (Layout::Unique_segment_info): New struct.
4555	(Layout::Section_segment_map): New typedef.
4556	(Layout::insert_section_segment_map): New function.
4557	(Layout::get_output_section_flags): New function.
4558	(Layout::is_unique_segment_for_sections_specified): New function.
4559	(Layout::set_unique_segment_for_sections_specified): New function.
4560	(Layout::unique_segment_for_sections_specified_): New member.
4561	(Layout::section_segment_map_): New member.
4562	* object.cc (Sized_relobj_file<size, big_endian>::do_layout):
4563	Rename is_gc_pass_one to is_pass_one.
4564	Rename is_gc_pass_two to is_pass_two.
4565	Rename is_gc_or_icf to is_two_pass.
4566	Check for which pass based on whether symbols data is present.
4567	Make it two pass when unique segments for sections is desired.
4568	* output.cc (Output_section::Output_section): Initialize new
4569	members.
4570	* output.h (Output_section::is_unique_segment): New function.
4571	(Output_section::set_is_unique_segment): New function.
4572	(Output_section::is_unique_segment_): New member.
4573	(Output_section::extra_segment_flags): New function.
4574	(Output_section::set_extra_segment_flags): New function.
4575	(Output_section::extra_segment_flags_): New member.
4576	(Output_section::segment_alignment): New function.
4577	(Output_section::set_segment_alignment): New function.
4578	(Output_section::segment_alignment_): New member.
4579	(Output_segment::Output_segment): Initialize is_unique_segment_.
4580	(Output_segment::is_unique_segment): New function.
4581	(Output_segment::set_is_unique_segment): New function.
4582	(Output_segment::is_unique_segment_): New member.
4583	* plugin.cc (allow_unique_segment_for_sections): New function.
4584	(unique_segment_for_sections): New function.
4585	(Plugin::load): Add new functions to transfer vector.
4586	* Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
4587	* Makefile.in: Regenerate.
4588	* testsuite/plugin_final_layout.sh: Check if unique segment
4589	functionality works.
4590	* testsuite/plugin_section_order.c (onload): Check if new interfaces
4591	are available.
4592	(allow_unique_segment_for_sections): New global.
4593	(unique_segment_for_sections): New global.
4594	(claim_file_hook): Call allow_unique_segment_for_sections.
4595	(all_symbols_read_hook): Call unique_segment_for_sections.
4596
45972012-08-22  Cary Coutant  <ccoutant@google.com>
4598
4599	* layout.cc (Layout::include_section): Don't assert on GROUP
4600	sections with --emit-relocs.
4601
46022012-08-21  Cary Coutant  <ccoutant@google.com>
4603
4604	* symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
4605	if --export-dynamic-symbol names an undef symbol.
4606
46072012-08-18  Alan Modra  <amodra@gmail.com>
4608
4609	* powerpc.cc: Formatting and white space.
4610	(Powerpc_relobj): Rename got2_section_ to special_.
4611	Add opd_ent_shndx_ and opd_ent_off_ vectors.
4612	(Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
4613	scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
4614	(Target_powerpc): Add Address typedef and invalid_address.  Use
4615	throughout.
4616	(Target_powerpc::is_branch_reloc): New function.
4617	(Powerpc_relocate_functions): Add Address typedef, use throughout.
4618	(Powerpc_relocate_functions:rela, rela_ua): Correct type used
4619	for dst_mask, value and addend.
4620	(Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
4621	(ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
4622	(Output_data_glink::do_write): Correct toc base.  Don't try to use
4623	uint16_t for 24-bit offset.  Use get_output_section_offset and
4624	check return.
4625	(Target_powerpc::Scan::local): Handle more relocs.
4626	(Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
4627	(Target_powerpc::Relocate::relocate): Correct toc base calculation.
4628	Plug in toc restoring insn after plt calls.  Translate branches
4629	to function descriptor symbols to corresponding entry point.
4630	(Target_powerpc::relocate_for_relocatable): Check return from
4631	get_output_section_offset.
4632	* symtab.h: Comment typo.
4633
46342012-08-14  Ian Lance Taylor  <iant@google.com>
4635
4636	* x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
4637	unsupported_relocal_local to call unsupported_reloc_global.
4638
46392012-08-14  Nick Clifton  <nickc@redhat.com>
4640
4641	PR ld/14265
4642	* script-sections.cc (Sections_element::output_section_name): Add
4643	keep return parameter.
4644	(Output_section_element::match_name): Add keep return parameter.
4645	Return the value of the keep_ member.
4646	* script-sections.h (class Output_section): Update
4647	output_section_name prototype.
4648	* layout.cc (Layout::keep_input_section): New public member
4649	function.
4650	(Layout::choose_output_section): Pass keep parameter to
4651	output_section_name.
4652	* layout.h (class Layout): Add keep_input_section.
4653	* object.cc (Sized_relobj_file::do_layout): Check for kept input
4654	sections.
4655	* testsuite/Makefile.am: Add a test.
4656	* testsuite/Makefile.in: Regenerate.
4657	* testsuite/pr14265.c: Source file for the test.
4658	* testsuite/pr14265.t: Linker script for the test.
4659	* testsuite/pr14265.sh: Shell script for the test.
4660
46612012-08-14  Alan Modra  <amodra@gmail.com>
4662
4663	* target.h (Target::output_section_name): New function.
4664	(Target::do_output_section_name): New function.
4665	* layout.cc (Layout::choose_output_section): Call the above.
4666	* powerpc.cc (Target_powerpc::do_output_section_name): New function.
4667
46682012-08-14  Alan Modra  <amodra@gmail.com>
4669
4670	* powerpc.cc: Update for renamed R_PPC_REL16 relocs.
4671	(Output_data_got_powerpc::do_write): Don't rely on base class lookup
4672	for replace_constant call.
4673	(Output_data_plt_powerpc::do_print_to_mapfile): New function.
4674	(Output_data_glink::do_print_to_mapfile): New function.
4675	(Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
4676	(Target_powerpc::Relocate::relocate): Likewise.
4677
46782012-08-14  Alan Modra  <amodra@gmail.com>
4679
4680	* powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
4681	(Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
4682	(Output_data_glink::add_entry,find_entry): Remove shndx param.
4683	(class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
4684	all references to shndx_.  Handle special case for R_PPC_PLTREL24
4685	here.
4686	(class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
4687	(Output_data_glink::do_write): Retrieve got2_shdnx from object.
4688	(Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
4689	here.
4690	(Target_powerpc::Scan::global): Nor on make_plt_entry call.
4691	(Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
4692
46932012-08-12  Alan Modra  <amodra@gmail.com>
4694
4695	* powerpc.cc: Whitespace fixes.  Wrap overly long lines.
4696	(glink insn constants): Use uint32_t.
4697	(Output_data_glink::add_entry): Use insert, not [] operator.
4698
46992012-08-11  Alan Modra  <amodra@gmail.com>
4700
4701	* object.h (Sized_relobj_file::find_shdr): New function.
4702	(Sized_relobj_file::find_special_sections): New function.
4703	* object.cc (Sized_relobj_file::find_shdr): New function.
4704	(Sized_relobj_file::find_eh_frame): Use find_shdr.
4705	(Sized_relobj_file::find_special_sections): New function, split out..
4706	(Sized_relobj_file::do_read_symbols): ..from here.
4707	* output.h (Output_data_got::replace_constant): New function.
4708	(Output_data_got::num_entries): New function.
4709	(Output_data_got::last_got_offset,set_got_size): Use num_entries.
4710	(Output_data_got::got_offset): Protected rather than private.
4711	(Output_data_got::replace_got_entry): New function.
4712	* output.cc (Output_data_got::replace_got_entry): New function.
4713	* powerpc.cc (class Powerpc_relobj): New.
4714	(class Powerpc_relocate_functions): Delete all psymval variants or
4715	convert to value,addend type.  Delete pcrela, pcrela_unaligned.
4716	Implement _ha functions using corresponding _hi function.
4717	(Powerpc_relobj::find_special_sections): New function.
4718	(Target_powerpc::do_make_elf_object): New function.
4719	(class Output_data_got_powerpc): New.
4720	(class Output_data_glink): New.
4721	(class Powerpc_scan_relocatable_reloc): New.
4722	Many more changes througout file.
4723
47242012-08-09  Nick Clifton  <nickc@redhat.com>
4725
4726	* po/vi.po: Updated Vietnamese translation.
4727
47282012-08-07  Ian Lance Taylor  <iant@google.com>
4729
4730	* layout.cc (Layout::add_target_dynamic_tags): If
4731	dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
4732	plt_rel.
4733
47342012-07-30  Nick Clifton  <nickc@redhat.com>
4735
4736	* po/gold.pot: Updated template.
4737	* po/es.po: Updated Spanish translation.
4738
47392012-07-18  Cary Coutant  <ccoutant@google.com>
4740
4741	PR gold/14344
4742	* configure.ac: Add check for -gpubnames support.
4743	* configure: Regenerate.
4744	* testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
4745	support; force -gno-pubnames.
4746	(gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
4747	support.
4748	(gdb_index_test_4): New test.
4749	* testsuite/Makefile.in: Regenerate.
4750	* testsuite/gdb_index_test_1.sh: Refactor code into common file.
4751	* testsuite/gdb_index_test_2.sh: Likewise.
4752	* testsuite/gdb_index_test_3.sh: Don't look for space after colon.
4753	* testsuite/gdb_index_test_4.sh: New script.
4754	* testsuite/gdb_index_test_comm.sh: New script with common code;
4755	don't look for space after colon.
4756
47572012-07-16  Sriraman Tallam  <tmsriram@google.com>
4758
4759	* gold.cc (queue_middle_tasks): Update function order only after
4760	deferred objects due to plugins are processed.
4761
47622012-07-11  Ian Lance Taylor  <iant@google.com>
4763
4764	* arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
4765	(Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
4766	(Target_arm::scan_reloc_for_stub): Likewise.
4767	* common.cc (Symbol_table::do_allocate_commons_list): Likewise.
4768	* dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
4769	* ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
4770	* incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
4771	* powerpc.cc (Target_powerpc::relocate_tls): Likewise.
4772
47732012-07-10  Dodji Seketeli  <dodji@redhat.com>
4774	    Ian Lance Taylor  <iant@google.com>
4775
4776	PR gold/14309
4777	* configure.ac: Test whether std::tr1::hash<off_t> works.
4778	* gold.h: Add a specialization for std::tr1::hash<off_t> if
4779	needed.
4780	* output.h (class Output_fill): Add virtual destructor.
4781	* configure, config.in: Rebuild.
4782
47832012-06-22  Roland McGrath  <mcgrathr@google.com>
4784
4785	* layout.cc (finalize): Define __ehdr_start symbol if applicable.
4786
47872012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
4788
4789	* plugin.cc (Plugin::load): Handle position independent executables.
4790
47912012-06-06  Cary Coutant  <ccoutant@google.com>
4792
4793	* layout.cc (gdb_sections): Remove ".debug_" prefixes,
4794	add .debug_macro.
4795	(lines_only_debug_sections): Likewise.
4796	(gdb_fast_lookup_sections): New static array.
4797	(is_gdb_debug_section): Rename formal parameter.
4798	(is_lines_only_debug_section): Likewise.
4799	(is_gdb_fast_lookup_section): New function.
4800	(Layout::include_section): Check for ".zdebug_" prefix; pass
4801	section name suffix to is_gdb_debug_section, et al.; check for
4802	fast-lookup sections when building .gdb_index.
4803	* options.h (--strip-debug-gdb): Update GDB version number.
4804
48052012-06-06  Cary Coutant  <ccoutant@google.com>
4806
4807	* configure.ac: Add check for fallocate.
4808	* configure: Regenerate.
4809	* config.in: Regenerate.
4810
4811	* options.h (class General_options): Add --mmap-output-file and
4812	--posix-fallocate options.
4813	* output.cc: (posix_fallocate): Remove; replace with...
4814	(gold_fallocate): New function.
4815	(Output_file::map_no_anonymous): Call gold_fallocate.
4816	(Output_file::map): Check --mmap-output-file option.
4817
48182012-06-05  Jing Yu  <jingyu@google.com>
4819
4820	* gold.h (textdomain): Add do {} to empty while(0).
4821	(bindtextdomain): Likewise.
4822
48232012-06-04  Cary Coutant  <ccoutant@google.com>
4824
4825	* dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
4826	has_dynsym_index.
4827
48282012-05-25  Sriraman Tallam  <tmsriram@google.com>
4829
4830	* symtab.cc (Symbol_table::define_special_symbol):
4831	Initialize *poldsym to prevent uninitialized variable errors.
4832
48332012-05-23  Cary Coutant  <ccoutant@google.com>
4834
4835	* layout.cc (Layout::section_name_mapping): Add rules to handle
4836	exact match on .data.rel.ro.local or .data.rel.ro.
4837	(Layout::output_section_name): Check for exact matches.
4838
48392012-05-23  Cary Coutant  <ccoutant@google.com>
4840
4841	* layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
4842	more carefully.
4843
48442012-05-22  Cary Coutant  <ccoutant@google.com>
4845
4846	* symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
4847	object before exporting symbol.
4848
48492012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
4850
4851	* testsuite/tls_test.cc: Include "config.h" first.
4852	* testsuite/tls_test_c.c: Likewise.
4853
48542012-05-17  Daniel Richard G.  <skunk@iskunk.org>
4855	    Nick Clifton  <nickc@redhat.com>
4856
4857	PR 14072
4858	* configure.in: Add check that sysdep.h has been included before
4859	any system header files.
4860	* configure: Regenerate.
4861	* config.in: Regenerate.
4862
48632012-05-14  Cary Coutant  <ccoutant@google.com>
4864
4865	* layout.cc (Layout::make_output_section): Mark .tdata section
4866	as RELRO.
4867	* testsuite/relro_test.cc: Add a TLS variable.
4868
48692012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
4870
4871	PR gold/14091
4872	* x86_64.cc (Target_x86_64::Scan::local): For x32, generate
4873	R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
4874	R_X86_64_64.
4875
48762012-05-08  Cary Coutant  <ccoutant@google.com>
4877
4878	* layout.cc (gdb_sections): Update GDB version, add .debug_addr.
4879	(lines_only_debug_sections): Likewise.
4880
48812012-05-02  Roland McGrath  <mcgrathr@google.com>
4882
4883	* nacl.cc: New file.
4884	* nacl.h: New file.
4885	* Makefile.am (CCFILES, HFILES): Add them.
4886	* Makefile.in: Regenerate.
4887	* i386.cc (Output_data_plt_i386_nacl): New class.
4888	(Output_data_plt_i386_nacl_exec): New class.
4889	(Output_data_plt_i386_nacl_dyn): New class.
4890	(Target_i386_nacl): New class.
4891	(Target_selector_i386_nacl): New class.
4892	(target_selector_i386): Use it instead of Target_selector_i386.
4893	* x86_64.cc (Output_data_plt_x86_64_nacl): New class.
4894	(Target_x86_64_nacl): New class.
4895	(Target_selector_x86_64_nacl): New class.
4896	(target_selector_x86_64, target_selector_x32): Use it instead of
4897	Target_selector_x86_64.
4898	* arm.cc (Output_data_plt_arm_nacl): New class.
4899	(Target_arm_nacl): New class.
4900	(Target_selector_arm_nacl): New class.
4901	(target_selector_arm, target_selector_armbe): Use it instead of
4902	Target_selector_arm.
4903
4904	* target-select.cc (select_target): Take new Input_file* and off_t
4905	arguments, pass them on to recognize method of selector.
4906	* object.cc (make_elf_sized_object): Update caller.
4907	* parameters.cc (parameters_force_valid_target): Likewise.
4908	* incremental.cc (make_sized_incremental_binary): Likewise.
4909	* target-select.h: Update decl.
4910	(Target_selector::recognize): Take new Input_file* argument,
4911	pass it on to do_recognize.
4912	(Target_selector::do_recognize): Take new Input_file* argument.
4913	* freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
4914	* powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
4915	* sparc.cc (Target_selector_sparc::do_recognize): Likewise.
4916	* testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
4917
4918	* target.h (Target::Target_info): New members isolate_execinstr
4919	and rosegment_gap.
4920	(Target::isolate_execinstr, Target::rosegment_gap): New methods.
4921	* arm.cc (Target_arm::arm_info): Update initializer.
4922	* i386.cc (Target_i386::i386_info): Likewise.
4923	* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
4924	* sparc.cc (Target_sparc::sparc_info): Likewise.
4925	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4926	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
4927	* layout.cc (Layout::attach_allocated_section_to_segment):
4928	Take new const Target* argument.  If target->isolate_execinstr(), act
4929	like --rosegment.
4930	(Layout::find_first_load_seg): Take new const Target* argument;
4931	if target->isolate_execinstr(), reject PF_X segments.
4932	(Layout::relaxation_loop_body): Update caller.
4933	(Layout::set_segment_offsets): If target->isolate_execinstr(),
4934	reset file offset to zero when we hit LOAD_SEG, and then do a second
4935	loop over the segments before LOAD_SEG to reassign offsets after
4936	addresses have been determined.  Handle target->rosegment_gap().
4937	(Layout::attach_section_to_segment): Take new const Target* argument;
4938	pass it to attach_allocated_section_to_segment.
4939	(Layout::make_output_section): Update caller.
4940	(Layout::attach_sections_to_segments): Take new const Target* argument;
4941	pass it to attach_section_to_segment.
4942	* gold.cc (queue_middle_tasks): Update caller.
4943	* layout.h (Layout): Update method decls with new arguments.
4944
4945	* arm.cc (Target_arm::Target_arm): Take optional argument for the
4946	Target_info pointer to use.
4947	(Target_arm::do_make_data_plt): New virtual method.
4948	(Target_arm::make_data_plt): New method that calls it.
4949	(Target_arm::make_plt_entry): Use it.
4950	(Output_data_plt_arm::Output_data_plt_arm): Take additional argument
4951	for the section alignment.
4952	(Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
4953	method.
4954	(Output_data_plt_arm::first_plt_entry_offset): Call it.
4955	(Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
4956	method.
4957	(Output_data_plt_arm::get_plt_entry_size): Call it.
4958	(Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
4959	(Output_data_plt_arm::fill_plt_entry): New method that calls it.
4960	(Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
4961	method.
4962	(Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
4963	(Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
4964	method instead of sizeof(plt_entry).
4965	(Output_data_plt_arm::add_entry): Likewise.
4966	Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
4967	(Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
4968	than static method.
4969	(Target_arm::plt_entry_size): Likewise.
4970	(Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
4971	Move to ...
4972	(Output_data_plt_arm_standard): ... here, new class.
4973	(Output_data_plt_arm::do_write): Move guts of PLT filling to...
4974	(Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
4975	(Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
4976
4977	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4978	Take additional argument for the PLT entry size.
4979	(Output_data_plt_x86_64::get_tlsdesc_plt_offset):
4980	Use get_plt_entry_size method rather than plt_entry_size variable.
4981	(Output_data_plt_x86_64::reserve_slot): Likewise.
4982	(Output_data_plt_x86_64::do_adjust_output_section): Likewise.
4983	(Output_data_plt_x86_64::add_entry): Likewise.
4984	(Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
4985	(Output_data_plt_x86_64::address_for_global): Likewise.
4986	(Output_data_plt_x86_64::address_for_local): Likewise.
4987	(Output_data_plt_x86_64::set_final_data_size): Likewise.
4988	(Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
4989	Make method non-static.
4990	(Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
4991	method.
4992	(Output_data_plt_x86_64::get_plt_entry_size): Just call that.
4993	(Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
4994	(Output_data_plt_x86_64::add_eh_frame): New method to call it.
4995	(Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
4996	virtual method.
4997	(Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
4998	(Output_data_plt_x86_64::do_fill_plt_entry): New abstract
4999	virtual method.
5000	(Output_data_plt_x86_64::fill_plt_entry): New method to call it.
5001	(Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
5002	virtual method.
5003	(Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
5004	(Output_data_plt_x86_64::plt_entry_size)
5005	(Output_data_plt_x86_64::first_plt_entry)
5006	(Output_data_plt_x86_64::plt_entry)
5007	(Output_data_plt_x86_64::tlsdesc_plt_entry)
5008	(Output_data_plt_x86_64::plt_eh_frame_fde_size)
5009	(Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
5010	(Output_data_plt_x86_64_standard): ... here, new class.
5011	(Target_x86_64::Target_x86_64): Take optional argument for the
5012	Target_info pointer to use.
5013	(Target_x86_64::do_make_data_plt): New virtual method.
5014	(Target_x86_64::make_data_plt): New method to call it.
5015	(Target_x86_64::init_got_plt_for_update): Use that.
5016	Call this->plt_->add_eh_frame method here.
5017	(Output_data_plt_x86_64::init):	Don't do add_eh_frame_for_plt here.
5018	(Target_x86_64::first_plt_entry_offset): Call method on this->plt_
5019	rather than static method.
5020	(Target_x86_64::plt_entry_size): Likewise.
5021	(Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
5022	rather than plt_entry_size variable.  Move guts of PLT filling to...
5023	(Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
5024	(Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
5025	(Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
5026
5027	* i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
5028	additional argument for the section alignment.
5029	Don't do add_eh_frame_for_plt here.
5030	(Output_data_plt_i386::first_plt_entry_offset): Make the method
5031	non-static.  Use get_plt_entry_size method rather than plt_entry_size
5032	variable.
5033	(Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
5034	method.
5035	(Output_data_plt_i386::get_plt_entry_size): Call it.
5036	(Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
5037	(Output_data_plt_i386::add_eh_frame): New method to call it.
5038	(Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
5039	method.
5040	(Output_data_plt_i386::fill_first_plt_entry): New method to call it.
5041	(Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
5042	method.
5043	(Output_data_plt_i386::fill_plt_entry): New method to call it.
5044	(Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
5045	method instead of plt_entry_size.
5046	(Output_data_plt_i386::plt_entry_size)
5047	(Output_data_plt_i386::plt_eh_frame_fde_size)
5048	(Output_data_plt_i386::plt_eh_frame_fde): Move to ...
5049	(Output_data_plt_i386_standard): ... here, new class.
5050	(Output_data_plt_i386_exec): New class.
5051	(Output_data_plt_i386::exec_first_plt_entry): Move to ...
5052	(Output_data_plt_i386_exec::first_plt_entry): ... here.
5053	(Output_data_plt_i386::exec_plt_entry): Move to ...
5054	(Output_data_plt_i386_exec::plt_entry): ... here.
5055	(Output_data_plt_i386_dyn): New class.
5056	(Output_data_plt_i386::first_plt_entry): Move to ...
5057	(Output_data_plt_i386_dyn::first_plt_entry): ... here.
5058	(Output_data_plt_i386::dyn_plt_entry): Move to ...
5059	(Output_data_plt_i386_dyn::plt_entry): ... here.
5060	(Target_i386::Target_i386): Take optional argument for the Target_info
5061	pointer to use.
5062	(Target_i386::do_make_data_plt): New virtual method.
5063	(Target_i386::make_data_plt): New method to call it.
5064	(Target_i386::make_plt_section): Use that.
5065	Call this->plt_->add_eh_frame method here.
5066	(Output_data_plt_i386::add_entry): Use get_plt_entry_size method
5067	rather than plt_entry_size variable.
5068	(Output_data_plt_i386::add_local_ifunc_entry): Likewise.
5069	(Output_data_plt_i386::address_for_local): Likewise.
5070	(Output_data_plt_i386::do_write): Likewise.
5071	Move guts of PLT filling to...
5072	(Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
5073	(Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
5074	(Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
5075	(Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
5076
50772012-05-01  Cary Coutant  <ccoutant@google.com>
5078
5079	* dwarf_reader.cc (Dwarf_die::read_attributes)
5080	(Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
5081	(Dwarf_die::uint_attribute): Remove DW_FORM_null.
5082	* reduced_debug_output.cc
5083	(Output_reduced_debug_info_section::get_die_end): Remove
5084	DW_FORM_GNU_ref_index.  Add default case.
5085
50862012-04-26  Mark Wielaard  <mjw@redhat.com>
5087
5088	* dwarf_reader.cc (Dwarf_die::address_attribute): New function.
5089	* dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
5090	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
5091	DW_AT_high_pc as offset from DW_AT_low_pc.
5092
5093	* testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
5094	* testsuite/Makefile.in: Regenerate.
5095	* testsuite/gdb_index_test_3.c: New test source file.
5096	* testsuite/gdb_index_test_3.sh: New test source file.
5097
50982012-04-25  Ian Lance Taylor  <iant@google.com>
5099
5100	* arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
5101	pointer.
5102	(Stub_addend_reader::operator()): Declare Arm_relocate_functions
5103	as a class, not a struct.
5104	(Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
5105	(Target_arm::apply_cortex_a8_workaround): Likewise.
5106	* gc.h: Declare Reloc_types as a struct, not a class.
5107	* object.h: Declare Symbols_data as a struct.
5108	* reloc.h: Declare Read_relocs_data as a struct.
5109	* target.h: Declare Relocate_info as a struct.
5110
51112012-04-24  David S. Miller  <davem@davemloft.net>
5112
5113	* sparc.cc (Target_sparc::Relocate::relax_call): New function.
5114	(Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
5115	and R_SPARC_WPLT30.
5116
51172012-04-24  Cary Coutant  <ccoutant@google.com>
5118
5119	* incremental-dump.cc (find_input_containing_global): Replace
5120	magic number with symbolic constant.
5121	(dump_incremental_inputs): Update version number.
5122	* incremental.cc (Output_section_incremental_inputs): Update version
5123	number; import symbolic constants from Incremental_inputs_reader.
5124	(Incremental_inputs::create_data_sections): Align relocations
5125	section correctly for 64-bit targets.
5126	(Output_section_incremental_inputs::set_final_data_size): Use symbolic
5127	constants; add padding.
5128	(Output_section_incremental_inputs::write_header): Add assert for
5129	header_size.
5130	(Output_section_incremental_inputs::write_input_files): Add assert
5131	for input_entry_size.
5132	(Output_section_incremental_inputs::write_info_blocks): Add padding;
5133	add assert for object_info_size, input_section_entry_size,
5134	global_sym_entry_size.
5135	* incremental.h (Incremental_inputs_reader): Add symbolic constants
5136	for data structure sizes; use them.
5137	(Incremental_input_entry_reader): Import symbolic constants from
5138	Incremental_inputs_reader; use them.
5139
51402012-04-23  David S. Miller  <davem@davemloft.net>
5141
5142	* sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
5143	and elf_flags_set_.
5144	(Target_sparc::Target_sparc): Initialize new fields.
5145	(Target_sparc::do_make_elf_object): New function.
5146	(Target_sparc::do_adjust_elf_header): New function.
5147
51482012-04-23  Cary Coutant  <ccoutant@google.com>
5149
5150	* gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
5151	CU range table of gdb index.
5152
51532012-04-20  David S. Miller  <davem@davemloft.net>
5154
5155	* target.cc (Sized_target::do_adjust_elf_header): Use big_endian
5156	instead of false.
5157
51582012-04-16  David S. Miller  <davem@davemloft.net>
5159
5160	* sparc.cc (Target_sparc::got_address): New function.
5161	(Sparc_relocate_functions::gdop_hix22): New function.
5162	(Sparc_relocate_functions::gdop_lox10): New function.
5163	(Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
5164	relocs.
5165	(Target_sparc::Scan::local): Likewise if the global symbol is not
5166	preemptible and is not IFUNC.
5167	(Target_sparc::Relocate::relocate): Perform GOTDATA code
5168	transformations for local and non-preemptible non-IFUNC global
5169	symbols.
5170
5171	* gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
5172	writing out 64-bit part of ranges.
5173
5174	* Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
5175	-fpic and -fpie respectively.
5176	* Makefile.in: Regenerate.
5177
5178	* sparc.cc (class Target_sparc): Add rela_ifunc_.
5179	(Target_sparc::Target_sparc): Initialize new field.
5180	(Target_sparc::do_plt_section_for_global): New function.
5181	(Target_sparc::do_plt_section_for_local): New function.
5182	(Target_sparc::reloc_needs_plt_for_ifunc): New function.
5183	(Target_sparc::make_plt_section): New function, broken out of
5184	make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
5185	(Target_sparc::make_plt_entry): Call make_plt_section.
5186	(Target_sparc::make_local_ifunc_plt_entry): New function.
5187	(Target_sparc::rela_ifunc_section): New function.
5188	(Target_sparc::plt_section): Remove const.
5189	(Output_data_plt_sparc): Update declarations.  Define Global_ifunc
5190	and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
5191	and ifunc_count_ fields.
5192	(Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
5193	(Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
5194	(Output_data_plt_sparc::add_local_ifunc_entry): New function.
5195	(Output_data_plt_sparc::rela_ifunc): New function.
5196	(Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
5197	(Output_data_plt_sparc::has_ifunc_section): New function.
5198	(Output_data_plt_sparc::entry_count): Include ifunc_count_.
5199	(Output_data_plt_sparc::address_for_global): New function.
5200	(Output_data_plt_sparc::address_for_local): New function.
5201	(Output_data_plt_sparc::plt_index_to_offset): New function.
5202	(Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
5203	and entry_count.
5204	(Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
5205	entry_count.
5206	(Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
5207	R_SPARC_JMP_IREL to switch.
5208	(Target_sparc::Scan::check_non_pic): Likewise.
5209	(Target_sparc::Scan::local): Handle IFUNC symbols.
5210	(Target_sparc::Scan::local): Likewise.
5211	(Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
5212	and plt_address_for_local.
5213	(Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
5214	Define __rel_iplt_start and __rel_iplt_end if doing a static link.
5215
5216	* output.h (Output_reloc): Allow use_plt_offset for global relocs too.
5217	(class Output_data_reloc): Adjust calls to Output_reloc_type.
5218	(Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
5219	* output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
5220	global relocs too.
5221	(Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
5222	* powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
5223	calls.
5224	* sparc.cc (Target_sparc::Scan::global): Likewise.
5225	* x86_64.cc (Target_x86_64::Scan::global): Likewise.
5226
52272012-04-16  Cary Coutant  <ccoutant@google.com>
5228
5229	* archive.cc (Library_base::should_include_member): Check for
5230	--export-dynamic-symbol.
5231	* options.h (class General_options): Add --export-dynamic-symbol.
5232	* symtab.cc (Symbol::should_add_dynsym_entry): Check for
5233	--export-dynamic-symbol.
5234	(Symbol_table::gc_mark_undef_symbols): Likewise.
5235	(Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
5236
52372012-04-12  David S. Miller  <davem@davemloft.net>
5238
5239	* sparc.cc (Reloc::wdisp10): New relocation method.
5240	(Reloc::h34): Likewise.
5241	(Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
5242	(Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
5243	R_SPARC_WDISP10.
5244	(Target_sparc::Scan::local): Likewise.
5245	(Target_sparc::Scan::global): Likewise.
5246	(Target_sparc::Relocate::relocate): Likewise.
5247
52482012-04-09  Cary Coutant  <ccoutant@google.com>
5249
5250	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
5251	low_pc == 0.
5252
52532012-04-06  Ian Lance Taylor  <iant@google.com>
5254
5255	* timer.cc: #include <unistd.h>.
5256
52572012-04-06  Roland McGrath  <mcgrathr@google.com>
5258
5259	* configure.in (AC_CHECK_HEADERS): Add locale.h.
5260	* config.in: Regenerate.
5261	* configure: Regenerate.
5262
52632012-04-05  Nick Clifton  <nickc@redhat.com>
5264
5265	* configure.ac (AC_CHECK_FUNCS): Add setlocale.
5266	(AM_LC_MESSAGES): Add.
5267	* aclocal.m4: Regenerate.
5268	* config.in: Regenerate.
5269	* configure: Regenerate.
5270
52712012-03-21  Cary Coutant  <ccoutant@google.com>
5272
5273	* Makefile.am: Add gdb-index.cc, gdb-index.h.
5274	* Makefile.in: Regenerate.
5275	* dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
5276	(Sized_elf_reloc_mapper::symbol_section): New function.
5277	(Sized_elf_reloc_mapper::do_get_reloc_target): New function.
5278	(make_elf_reloc_mapper): New function.
5279	(Dwarf_abbrev_table::clear_abbrev_codes): New function.
5280	(Dwarf_abbrev_table::do_read_abbrevs): New function.
5281	(Dwarf_abbrev_table::do_get_abbrev): New function.
5282	(Dwarf_ranges_table::read_ranges_table): New function.
5283	(Dwarf_ranges_table::read_range_list): New function.
5284	(Dwarf_pubnames_table::read_section): New function.
5285	(Dwarf_pubnames_table::read_header): New function.
5286	(Dwarf_pubnames_table::next_name): New function.
5287	(Dwarf_die::Dwarf_die): New function.
5288	(Dwarf_die::read_attributes): New function.
5289	(Dwarf_die::skip_attributes): New function.
5290	(Dwarf_die::set_name): New function.
5291	(Dwarf_die::set_linkage_name): New function.
5292	(Dwarf_die::attribute): New function.
5293	(Dwarf_die::string_attribute): New function.
5294	(Dwarf_die::int_attribute): New function.
5295	(Dwarf_die::uint_attribute): New function.
5296	(Dwarf_die::ref_attribute): New function.
5297	(Dwarf_die::child_offset): New function.
5298	(Dwarf_die::sibling_offset): New function.
5299	(Dwarf_info_reader::check_buffer): New function.
5300	(Dwarf_info_reader::parse): New function.
5301	(Dwarf_info_reader::do_parse): New function.
5302	(Dwarf_info_reader::do_read_string_table): New function.
5303	(Dwarf_info_reader::lookup_reloc): New function.
5304	(Dwarf_info_reader::get_string): New function.
5305	(Dwarf_info_reader::visit_compilation_unit): New function.
5306	(Dwarf_info_reader::visit_type_unit): New function.
5307	(Sized_dwarf_line_info::Sized_dwarf_line_info): Use
5308	Sized_elf_reloc_mapper.
5309	(Sized_dwarf_line_info::symbol_section): Remove function.
5310	(Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
5311	(Sized_dwarf_line_info::read_line_mappings): Remove object
5312	parameter, adjust callers.
5313	(Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
5314	* dwarf_reader.h: Include <sys/types.h>.
5315	(class Track_relocs): Remove forward declaration.
5316	(class Elf_reloc_mapper): New class.
5317	(class Sized_elf_reloc_mapper): New class.
5318	(class Dwarf_abbrev_table): New class.
5319	(class Dwarf_range_list): New class.
5320	(class Dwarf_ranges_table): New class.
5321	(class Dwarf_pubnames_table): New class.
5322	(class Dwarf_die): New class.
5323	(class Dwarf_info_reader): New class.
5324	(Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
5325	(Sized_dwarf_line_info::symbol_section): Remove member function.
5326	* dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
5327	base class.
5328	* gdb-index.cc: New source file.
5329	* gdb-index.h: New source file.
5330	* incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
5331	and .debug_types sections, call Layout::add_to_gdb_index.
5332	(Sized_relobj_incr::do_section_name): Implement.
5333	(Sized_relobj_incr::do_section_contents): Adjust parameter list and
5334	return type; Implement.
5335	(Sized_incr_dynobj::do_section_contents): Adjust parameter list and
5336	return type.
5337	* incremental.h (Sized_relobj_incr::do_section_contents): Adjust
5338	parameter list and return type.
5339	(Sized_incr_dynobj::do_section_contents): Likewise.
5340	* layout.cc: Include gdb-index.h.
5341	(Layout::Layout): Initialize gdb_index_data_.
5342	(Layout::init_fixed_output_section): Check for .gdb_index section.
5343	(Layout::add_to_gdb_index): New function. Instantiate.
5344	* layout.h: Add forward declaration for class Gdb_index.
5345	(Layout::add_to_gdb_index): New member function.
5346	(Layout::gdb_index_data_): New data member.
5347	* main.cc: Include gdb-index.h.
5348	(main): Print statistics for gdb index.
5349	* object.cc (Object::section_contents): Move code into
5350	do_section_contents.
5351	(need_decompressed_section): Check for sections needed when building
5352	gdb index.
5353	(build_compressed_section_map): Likewise.
5354	(Sized_relobj_file::do_read_symbols): Need local symbols when building
5355	gdb index.
5356	(Sized_relobj_file::do_layout): Track .debug_info and .debug_types
5357	sections; call Layout::add_to_gdb_index.
5358	(Sized_relobj_file::do_decompressed_section_contents): Call
5359	do_section_contents directly.
5360	* object.h (Object::do_section_contents): Adjust parameter list and
5361	return type.
5362	(Object::do_decompressed_section_contents): Call do_section_contents
5363	directly.
5364	(Sized_relobj_file::do_section_contents): Adjust parameter list and
5365	return type.
5366	* options.h (class General_options): Add --gdb-index option.
5367	* plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
5368	list and return type.
5369	* plugin.h (Sized_pluginobj::do_section_contents): Likewise.
5370	* reloc.h (Track_relocs::checkpoint): New function.
5371	(Track_relocs::reset): New function.
5372
5373	* testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
5374	New test cases.
5375	* testsuite/Makefile.in: Regenerate.
5376	* testsuite/gdb_index_test.cc: New test source file.
5377	* testsuite/gdb_index_test_1.sh: New test source file.
5378	* testsuite/gdb_index_test_2.sh: New test source file.
5379
53802012-03-19  Doug Kwan  <dougkwan@google.com>
5381
5382	* arm.cc (Target_arm::do_define_standard_symbols): New method.
5383	(Target_arm::do_finalize_sections): Remove code which defines
5384	__exidx_start and __exidx_end.  Make symbol table parameter
5385	anonymous as it is not used.
5386	* gold.cc (queue_middle_tasks): Call target hook to define any
5387	target-specific symbols.
5388	* target.h (Target::define_standard_symbols): New method.
5389	(Target::do_define_standard_symbols): Same.
5390	* testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
5391	* testsuite/Makefile.in: Regenerate.
5392	* testsuite/arm_exidx.s: Generate data relocations for __exidx_start
5393	and __exidx_end.
5394	* testsuite/arm_exidx_test.sh: Check that no unused dynamic
5395	relocations are generated for __exidx_start and __exidx_end.
5396
53972012-03-16  Doug Kwan  <dougkwan@google.com>
5398
5399	* testsuite/Makefile.am: Disable test initpri3b.
5400	* testsuite/Makefile.in: Regenerate.
5401
54022012-03-15  Doug Kwan  <dougkwan@google.com>
5403
5404	* arm.cc (Target_arm::got_section): Make .got section read-only
5405	if -z now is given.
5406
54072012-03-15  Ian Lance Taylor  <iant@google.com>
5408
5409	PR gold/13850
5410	* layout.cc (Layout::make_output_section): Correctly mark
5411	SHT_INIT_ARRAY, et. al., as relro.
5412
54132012-03-14  Doug Kwan  <dougkwan@google.com>
5414
5415	* gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
5416	dynamic relocations for protected symbols in shared objects.
5417
54182012-03-13  Ian Lance Taylor  <iant@google.com>
5419
5420	* resolve.cc (Symbol_table::resolve): When merging common symbols,
5421	keep the larger alignment.
5422
54232012-03-12  Cary Coutant  <ccoutant@google.com>
5424
5425	* dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
5426	handling of DW_LNE_define_file.
5427
54282012-03-12  Cary Coutant  <ccoutant@google.com>
5429
5430	* reduced_debug_output.cc
5431	(Output_reduced_debug_info_section::get_die_end): Add new FORM
5432	codes to switch.
5433
54342012-02-29  Cary Coutant  <ccoutant@google.com>
5435
5436	* object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
5437
54382012-02-29  Cary Coutant  <ccoutant@google.com>
5439
5440	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5441	Call Object::decompressed_section_contents.
5442	* dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
5443	New dtor.
5444	(Sized_dwarf_line_info::buffer_start_): New data member.
5445	* merge.cc (Output_merge_data::do_add_input_section): Call
5446	Object::decompressed_section_contents.
5447	(Output_merge_string::do_add_input_section): Likewise.
5448	* object.cc (need_decompressed_section): New function.
5449	(build_compressed_section_map): Decompress sections needed later.
5450	(Sized_relobj_file::do_decompressed_section_contents): New function.
5451	(Sized_relobj_file::do_discard_decompressed_sections): New function.
5452	* object.h (Object::decompressed_section_contents): New function.
5453	(Object::discard_decompressed_sections): New function.
5454	(Object::do_decompressed_section_contents): New function.
5455	(Object::do_discard_decompressed_sections): New function.
5456	(Compressed_section_info): New type.
5457	(Compressed_section_map): Include decompressed section contents.
5458	(Sized_relobj_file::do_decompressed_section_contents): New function.
5459	(Sized_relobj_file::do_discard_decompressed_sections): New function.
5460
54612012-02-16  Cary Coutant  <ccoutant@google.com>
5462
5463	* testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
5464	* testsuite/Makefile.in: Regenerate.
5465
54662012-02-14  Cary Coutant  <ccoutant@google.com>
5467
5468	* options.cc (General_options::finalize): Disallow -pie and -static.
5469
54702012-02-03  Doug Kwan  <dougkwan@google.com>
5471
5472	* arm.cc (Arm_relocate_functions::abs8,
5473	Arm_relocate_functions::abs16): Use
5474	Bits::has_signed_unsigned_overflow32.
5475	(Arm_relocate_functions::thm_abs8): Correct range of
5476	overflow check.
5477	* reloc.h (Bits class): Change minimum number of bits from 0 to 1
5478	in assertions.
5479
54802012-02-02  Doug Kwan  <dougkwan@google.com>
5481
5482	* arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
5483	position independent outputs, not just shared objects.
5484
54852012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
5486
5487	* configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
5488	* configure: Regenerated.
5489
54902012-01-27  Ian Lance Taylor  <iant@google.com>
5491
5492	* reloc.h (Bits): New class with static functions, copied from
5493	namespace utils in arm.cc.
5494	* arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
5495	instead.
5496
54972012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5498
5499	* incremental.cc (write_info_blocks): Correct relocation offset.
5500
55012012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5502
5503	* x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
5504	(Relocate::tls_gd_to_le): Likewise.
5505
55062012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5507
5508	* x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
5509
55102012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
5511
5512	* configure.ac: Check if -mcmodel=medium works.
5513	* configure: Regenerated.
5514
55152012-01-24  Cary Coutant  <ccoutant@google.com>
5516
5517	* int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
5518	definition and ...
5519	(read_unsigned_LEB_128_x): ... this new function.
5520	(read_signed_LEB_128): Replaced with inline definition and ...
5521	(read_signed_LEB_128_x): ... this new function.
5522	* int_encoding.h  (read_unsigned_LEB_128_x): New function.
5523	(read_unsigned_LEB_128): Add inline definition.
5524	(read_signed_LEB_128_x): New function.
5525	(read_signed_LEB_128): Add inline definition.
5526	* testsuite/Makefile.am (leb128_unittest): New unit test.
5527	* testsuite/Makefile.in: Regenerate.
5528	* testsuite/leb128_unittest.cc: New unit test.
5529
55302012-01-23  Ian Lance Taylor  <iant@google.com>
5531
5532	PR gold/13617
5533	* i386.cc (Target_i386::do_code_fill): When using a jmp
5534	instruction, pad with nop instructions.
5535	* x86_64.cc (Target_x86_64::do_code_fill): Likewise.
5536
55372012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5538
5539	* x86_64.cc (gc_process_relocs): Add typename on types used in
5540	template.
5541	(scan_relocs): Likewise.
5542	(relocate_section): Likewise.
5543	(apply_relocation): Likewise.
5544
55452012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
5546
5547	* x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
5548	(Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
5549	under x32.
5550
55512012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
5552
5553	* x86_64.cc: Initial support for x32.
5554
55552012-01-03  Cary Coutant  <ccoutant@google.com>
5556
5557	* gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
5558	Use abstract base class for GOT.
5559	* gold/output.h (class Output_data_got_base): New abstract base class.
5560	(class Output_data_got): Derive from new base class, adjust ctors.
5561	(Output_data_got::reserve_slot): Make virtual; rename to
5562	do_reserve_slot; Adjust callers.
5563	* gold/target.h (Sized_target::init_got_plt_for_update): Return
5564	pointer to abstract base class.
5565	* gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
5566
55672011-12-18  Ian Lance Taylor  <iant@google.com>
5568
5569	* object.h (Relobj::local_symbol_value): New function.
5570	(Relobj::local_plt_offset): New function.
5571	(Relobj::local_has_got_offset): New function.
5572	(Relobj::local_got_offset): New function.
5573	(Relobj::set_local_got_offset): New function.
5574	(Relobj::do_local_symbol_value): New pure virtual function.
5575	(Relobj::do_local_plt_offset): Likewise.
5576	(Relobj::do_local_has_got_offset): Likewise.
5577	(Relobj::do_local_got_offset): Likewise.
5578	(Relobj::do_set_local_got_offset): Likewise.
5579	(Sized_relobj::do_local_has_got_offset): Rename from
5580	local_has_got_offset.
5581	(Sized_relobj::do_local_got_offset): Rename from local_got_offset.
5582	(Sized_relobj::do_set_local_got_offset): Rename from
5583	set_local_got_offset.
5584	(Sized_relobj_file::do_local_plt_offset): Rename from
5585	local_plt_offset.
5586	(Sized_relobj_file::do_local_symbol_value): New function.
5587	* object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
5588	local_plt_offset.
5589	* output.cc (Output_data_got::Got_entry::write): Change object to
5590	Relobj.  Use local_symbol_value.
5591	(Output_data_got::add_global_with_rel): Change rel_dyn to
5592	Output_data_reloc_generic*.  Use add_global_generic.
5593	(Output_data_got::add_global_with_rela): Remove.  Change all
5594	callers to use add_global_with_rel.
5595	(Output_data_got::add_global_pair_with_rel): Change rel_dyn to
5596	Output_data_reloc_generic*.  Use add_global_generic.
5597	(Output_data_got::add_global_pair_with_rela): Remove.  Change all
5598	callers to use add_global_pair_with_rel.
5599	(Output_data_got::add_local): Change object to Relobj*.
5600	(Output_data_got::add_local_plt): Likewise.
5601	(Output_data_got::add_local_with_rel): Change object to Relobj*,
5602	change rel_dyn to Output_data_reloc_generic*.  Use
5603	add_local_generic.
5604	(Output_data_got::add_local_with_rela): Remove.  Change all
5605	callers to use all_local_with_rel.
5606	(Output_data_got::add_local_pair_with_rel): Change object to
5607	Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
5608	add_output_section_generic.
5609	(Output_data_got::add_local_pair_with_rela): Remove.  Change all
5610	callers to use add_local_pair_with_rel.
5611	(Output_data_got::reserve_local): Change object to Relobj*.
5612	* output.h: (class Output_data_reloc_generic): Add pure virtual
5613	declarations for add_global_generic, add_local_generic,
5614	add_output_section_generic.
5615	(class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
5616	functions for Output_data_reloc_generic.  Update declarations for
5617	changes listed in output.cc.
5618	(class Output_data_got): Change template parameter to got_size.
5619	Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
5620	* incremental.h (Sized_relobj_incr::do_local_symbol_value): New
5621	function.
5622	(Sized_relobj_incr::do_local_plt_offset): New function.
5623	* copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
5624	add_global_generic.
5625
56262011-12-17  Cary Coutant  <ccoutant@google.com>
5627
5628	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
5629	* resolve.cc (Symbol_table::resolve): Likewise.
5630	* i386.cc (Target_i386::do_code_fill): Use char constants for nop
5631	arrays.
5632	* x86_64.cc (Target_x86_64::do_code_fill): Likewise.
5633
56342011-12-16  Ian Lance Taylor  <iant@google.com>
5635
5636	* output.h (Output_data_reloc_generic::add): Only call
5637	add_dynamic_reloc if this is a dynamic reloc section.
5638
56392011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
5640
5641	PR gold/13505
5642	* target-reloc.h (apply_relocation): Replace <64, false> with
5643	<size, big_endian>.
5644
56452011-11-25  Nick Clifton  <nickc@redhat.com>
5646
5647	* po/it.po: New Italian translation.
5648
56492011-11-17  Sterling Augustine  <saugustine@google.com>
5650
5651	* script.cc (script_include_directive): Implement.
5652	(read_script_file): New local variables name and search_path. Update
5653	comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
5654	* dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
5655	* dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
5656
56572011-11-11  Sterling Augustine  <saugustine@google.com>
5658
5659	* yyscript.y (section_cmd): Add support for INCLUDE directive.
5660	(file_or_sections_cmd): Likewise.
5661
56622011-11-11  Doug Kwan  <dougkwan@google.com>
5663
5664	* arm.cc (Target_arm::do_make_elf_object): Allow executable also
5665	if --just-symbols is given.
5666
56672011-11-10  Doug Kwan  <dougkwan@google.com>
5668
5669	PR gold/13362
5670	* arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
5671	when processing data relocs.
5672	* reloc.h (Relocate_functions::rel_unaligned): New method.
5673	(Relocate_functions::pcrel_unaligned): Ditto.
5674	(Relocate_functions::rel32_unaligned): Ditto.
5675	(Relocate_functions::pcrel32_unaligned): Ditto.
5676
56772011-11-09  Doug Kwan  <dougkwan@google.com>
5678
5679	PR gold/13362
5680	* arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
5681	Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
5682	* reloc.h (Relocatable_relocs::Reloc_strategy): New enum
5683	RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
5684	(Relocate_functions::rel_unaligned): New.
5685	(Relocate_functions::rel32_unaligned): New.
5686	* target-reloc.h (relocate_for_relocatable): Add code to handle
5687	RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
5688	* testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
5689	arm_unaligned_reloc_r): New targets.
5690	* testsuite/Makefile.in: Regenerate.
5691	* arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
5692	linking.
5693
56942011-11-02  Ian Lance Taylor  <iant@google.com>
5695
5696	* configure.ac: Add --with-lib-path option.  Define LIB_PATH and
5697	NATIVE_LINKER.
5698	* Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
5699	* options.cc (General_options::finalize): Use library search path
5700	from configure script if specified.  If not native and no sysroot,
5701	only search TOOLLIBDIR.
5702	* options.h (Search_directory::Search_directory): Change name to
5703	const std::string&.
5704	(General_options::add_to_library_path_with_sysroot): Change arg to
5705	const std::string&.
5706	* configure, Makefile.in, config.in: Rebuild.
5707
57082011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5709
5710	* arm.cc (Target_arm::may_use_v5t_interworking): Check whether
5711	we are working around the ARM1176 Erratum.
5712	* options.h (General_options::fix_arm1176): Add option.
5713	* testsuite/Makefile.am: Add testcases, and keep current ones
5714	working.
5715	* testsuite/Makefile.in: Regenerate.
5716	* testsuite/arm_fix_1176.s: New file.
5717	* testsuite/arm_fix_1176.sh: Likewise.
5718
57192011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
5720
5721	* arm.cc (Target_arm::Target_arm): Remove initialisation of
5722	may_use_blx_.
5723	(Target_arm::may_use_blx): Remove method.
5724	(Target_arm::set_may_use_blx): Likewise.
5725	(Target_arm::may_use_v4t_interworking): New method.
5726	(Target_arm::may_use_v5t_interworking): Likewise.
5727	(Target_arm::may_use_blx_): Remove member variable.
5728	(Arm_relocate_functions::arm_branch_common): Check for v5T
5729	interworking.
5730	(Arm_relocate_functions::thumb_branch_common): Likewise.
5731	(Reloc_stub::stub_type_for_reloc): Likewise.
5732	(Target_arm::do_finalize_sections): Correct interworking checks.
5733	* testsuite/Makefile.am: Add new tests.
5734	* testsuite/Makefile.in: Regenerate.
5735	* testsuite/arm_farcall_arm_arm.s: New test.
5736	* testsuite/arm_farcall_arm_arm.sh: Likewise.
5737	* testsuite/arm_farcall_arm_thumb.s: Likewise.
5738	* testsuite/arm_farcall_arm_thumb.sh: Likewise.
5739	* testsuite/arm_farcall_thumb_arm.s: Likewise.
5740	* testsuite/arm_farcall_thumb_arm.sh: Likewise.
5741	* testsuite/arm_farcall_thumb_thumb.s: Likewise.
5742	* testsuite/arm_farcall_thumb_thumb.sh: Likewise.
5743
57442011-10-31  Cary Coutant  <ccoutant@google.com>
5745
5746	PR gold/13023
5747	* expression.cc (Expression::eval_with_dot): Add
5748	is_section_dot_assignment parameter.
5749	(Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
5750	absolute and assigning to dot within a section.
5751	* script-sections.cc
5752	(Output_section_element_assignment::set_section_addresses): Pass
5753	dot_section to set_if_absolute.
5754	(Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
5755	as is_section_dot_assignment flag to eval_with_dot.
5756	(Output_section_element_dot_assignment::set_section_addresses):
5757	Likewise.
5758	* script.cc (Symbol_assignment::set_if_absolute): Add dot_section
5759	parameter.  Also set value if relative to dot_section; set the
5760	symbol's output_section.
5761	* script.h (Expression::eval_with_dot): Add is_section_dot_assignment
5762	parameter.  Adjust all callers.
5763	(Expression::eval_maybe_dot): Likewise.
5764	(Symbol_assignment::set_if_absolute): Add dot_section parameter.
5765	Adjust all callers.
5766	* testsuite/script_test_2.t: Test assignment of an absolute value
5767	to dot within an output section element.
5768
57692011-10-31  Cary Coutant  <ccoutant@google.com>
5770
5771	* options.h (class General_options): Add --[no-]gnu-unique options.
5772	* symtab.cc (Symbol_table::sized_write_globals): Convert
5773	STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
5774
57752011-10-31  Cary Coutant  <ccoutant@google.com>
5776
5777	PR gold/13359
5778	* i386.cc (Target_i386::Relocate::relocate_tls): Remove
5779	unnecessary assertion.
5780	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
5781
57822011-10-31 Sriraman Tallam  <tmsriram@google.com>
5783
5784	* symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
5785	gc_mark_symbol.
5786	* symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
5787	gc_mark_symbol.
5788	Change to just keep the section associated with symbol.
5789	(Symbol_table::add_from_relobj): Mark symbols as not garbage when
5790	they are externally visible and --export-dynamic is turned on.
5791	(Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
5792
57932011-10-19  Ian Lance Taylor  <iant@google.com>
5794
5795	PR gold/13163
5796	* script-sections.cc
5797	(Output_section_element_dot_assignment::needs_output_section): New
5798	function.
5799
58002011-10-19  Ian Lance Taylor  <iant@google.com>
5801
5802	PR gold/13204
5803	* layout.cc (Layout::segment_precedes): Don't assert failure if a
5804	--section-start option was seen.
5805	* options.h (General_options::any_section_start): New function.
5806
58072011-10-18  David S. Miller  <davem@davemloft.net>
5808
5809	PR binutils/13301
5810	* sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
5811	member to track relocation locations that have moved during TLS
5812	reloc optimizations.
5813	(Target_sparc::Relocate::Relocate): Initialize to NULL.
5814	(Target_sparc::Relocate::relocate): Adjust view down by 4
5815	bytes if it matches reloc_adjust_addr_.
5816	(Target_sparc::Relocate::relocate_tls): Always move the
5817	__tls_get_addr call delay slot instruction forward 4 bytes when
5818	performing relaxation.
5819
58202011-10-18  Cary Coutant  <ccoutant@google.com>
5821
5822	* output.cc (posix_fallocate): Return 0 on success, errno on failure.
5823	(Output_file::map_no_anonymous): Check for non-zero
5824	return code from posix_fallocate.
5825
58262011-10-17  Cary Coutant  <ccoutant@google.com>
5827
5828	PR gold/13245
5829	* plugin.cc (is_visible_from_outside): Check for symbols
5830	referenced from dynamic objects.
5831	* resolve.cc (Symbol_table::resolve): Don't count references
5832	from dynamic objects as references from real ELF files.
5833	* testsuite/plugin_test_2.sh: Adjust expected result.
5834
58352011-10-17  Cary Coutant  <ccoutant@google.com>
5836
5837	* gold.cc: Include timer.h.
5838	(queue_middle_tasks): Stamp time.
5839	(queue_final_tasks): Likewise.
5840	* main.cc (main): Store timer in parameters.  Print timers
5841	for each pass.
5842	* parameters.cc (Parameters::Parameters): Initialize timer_.
5843	(Parameters::set_timer): New function.
5844	(set_parameters_timer): New function.
5845	* parameters.h (Parameters::set_timer): New function.
5846	(Parameters::timer): New function.
5847	(Parameters::timer_): New data member.
5848	(set_parameters_timer): New function.
5849	* timer.cc (Timer::stamp): New function.
5850	(Timer::get_pass_time): New function.
5851	* timer.h (Timer::stamp): New function.
5852	(Timer::get_pass_time): New function.
5853	(Timer::pass_times_): New data member.
5854
58552011-10-17  Cary Coutant  <ccoutant@google.com>
5856
5857	* readsyms.cc (Read_symbols::run): Don't queue an unblocker
5858	task for members of lib groups.
5859
58602011-10-17  Cary Coutant  <ccoutant@google.com>
5861
5862	PR gold/13288
5863	* fileread.cc (File_read::find_view): Add assert.
5864	(File_read::make_view): Move bounds check (replace with assert)...
5865	(File_read::find_or_make_view): ... to here.
5866
58672011-10-12  Cary Coutant  <ccoutant@google.com>
5868
5869	* output.cc (Output_file::open_base_file): Handle case where
5870	::read returns less than requested size.
5871
58722011-10-10  Cary Coutant  <ccoutant@google.com>
5873
5874	* incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
5875	Initialize defined_count_.
5876	(Sized_relobj_incr::do_add_symbols): Count defined symbols.
5877	(Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
5878	(Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
5879	(Sized_incr_dynobj::do_add_symbols): Count defined symbols.
5880	(Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
5881	* incremental.h (Sized_relobj_incr::defined_count_): New data
5882	member.
5883	(Sized_incr_dynobj::defined_count_): New data member.
5884	* plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
5885	Return zeroes instead of internal error.
5886
58872011-10-10  Cary Coutant  <ccoutant@google.com>
5888
5889	PR gold/13249
5890	* output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
5891	(Output_reloc::symbol_value): Return PLT offset if flag is set.
5892	* output.h (class Output_reloc): Add use_plt_offset flag.
5893	(Output_reloc::type_): Adjust size of bit field.
5894	(Output_reloc::use_plt_offset_): New bit field.
5895	(class Output_data_reloc): Adjust all calls to Output_reloc_type.
5896	(Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
5897	flag.  Adjust all callers.
5898	* x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
5899	creating RELATIVE relocations.
5900
59012011-10-10  Nick Clifton  <nickc@redhat.com>
5902
5903	* po/es.po: Updated Spanish translation.
5904	* po/fi.po: Updated Finnish translation.
5905
59062011-10-03   Diego Novillo  <dnovillo@google.com>
5907
5908	* options.cc (parse_uint): Fix dereference of RETVAL.
5909
59102011-09-29  Sriraman Tallam  <tmsriram@google.com>
5911
5912	* layout.h (section_order_map_): New member.
5913	(get_section_order_map): New member function.
5914	* output.cc (Output_section::add_input_section): Check for patterns
5915	only when --section-ordering-file is specified.
5916	* gold.cc (queue_middle_tasks): Delay updating order of sections till
5917	output_sections have been formed.
5918	* layout.cc (Layout_Layout): Initialize section_order_map_.
5919	* plugin.cc (update_section_order): Store order in order_map. Do not
5920	update the order.
5921	* testsuite/Makefile.am: Add test case for plugin_final_layout.
5922	* testsuite/Makefile.in: Regenerate.
5923	* testsuite/plugin_section_order.c: New file.
5924	* testsuite/plugin_final_layout.cc: New file.
5925	* testsuite/plugin_final_layout.sh: New file.
5926
59272011-09-29  Cary Coutant  <ccoutant@google.com>
5928
5929	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
5930	Check for NULL.
5931	* symtab.cc (Symbol_table::add_from_relobj): Ignore version
5932	symbols during incremental update.
5933	(Symbol_table::add_from_dynobj): Likewise.
5934
59352011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5936	    Ian Lance Taylor  <iant@google.com>
5937
5938	* symtab.cc (Symbol_table::define_special_symbol): Always
5939	canonicalize version string.
5940
59412011-09-26  Cary Coutant  <ccoutant@google.com>
5942
5943	* gold.cc (queue_initial_tasks): Move option checks ...
5944	* options.cc (General_options::finalize): ... to here. Disable
5945	some options; make others fatal.
5946
59472011-09-26  Cary Coutant  <ccoutant@google.com>
5948
5949	gcc PR lto/47247
5950	* plugin.cc (get_symbols_v2): New function.
5951	(Plugin::load): Add LDPT_GET_SYMBOLS_V2.
5952	(is_referenced_from_outside): New function.
5953	(Pluginobj::get_symbol_resolution_info): Add version parameter, return
5954	LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
5955	(get_symbols): Pass version parameter.
5956	(get_symbols_v2): New function.
5957	* plugin.h (Pluginobj::get_symbol_resolution_info): Add version
5958	parameter.
5959	* testsuite/plugin_test.c (get_symbols_v2): New static variable.
5960	(onload): Add LDPT_GET_SYMBOLS_V2.
5961	(all_symbols_read_hook): Use get_symbols_v2; check for
5962	LDPR_PREVAILING_DEF_IRONLY_EXP.
5963	* testsuite/plugin_test_3.sh: Update expected results.
5964
59652011-09-23  Simon Baldwin  <simonb@google.com>
5966
5967	* configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
5968	configuration options.
5969	* configure: Regenerate.
5970	* Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
5971	* Makefile.in: Regenerate.
5972	* testsuite/Makefile.in: Regenerate.
5973
59742011-09-19  Sriraman Tallam  <tmsriram@google.com>
5975
5976	* plugin.h (should_defer_layout): Modify to check for any_claimed_.
5977
59782011-09-19  Cary Coutant  <ccoutant@google.com>
5979
5980	* incremental.cc (can_incremental_update): Fix typo in comment.
5981	* incremental.h (can_incremental_update): Likewise.
5982
59832011-09-18  Cary Coutant  <ccoutant@google.com>
5984
5985	* incremental.cc (can_incremental_update): New function.
5986	* incremental.h (can_incremental_update): New function.
5987	* layout.cc (Layout::init_fixed_output_section): Call it.
5988	(Layout::make_output_section): Don't allow patch space in .eh_frame.
5989	* object.cc (Sized_relobj_file::do_layout): Call
5990	can_incremental_update.
5991
59922011-09-13  Cary Coutant  <ccoutant@google.com>
5993
5994	* configure.ac: Check for glibc support for gnu_indirect_function
5995	support with static linking, setting automake conditional
5996	IFUNC_STATIC.
5997	* Makefile.in: Regenerate.
5998	* configure: Regenerate.
5999
6000	* testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
6001	(ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
6002	for IFUNC_STATIC.
6003	* testsuite/Makefile.in: Regenerate.
6004
60052011-09-13  Cary Coutant  <ccoutant@google.com>
6006
6007	* incremental.cc (Sized_relobj_incr::do_layout): Call
6008	report_comdat_group for kept comdat sections.
6009	* testsuite/Makefile.am (incremental_comdat_test_1): New test.
6010	* testsuite/Makefile.in: Regenerate.
6011	* testsuite/incr_comdat_test_1.cc: New source file.
6012	* testsuite/incr_comdat_test_2_v1.cc: New source file.
6013	* testsuite/incr_comdat_test_2_v2.cc: New source file.
6014	* testsuite/incr_comdat_test_2_v3.cc: New source file.
6015
60162011-09-13  Ian Lance Taylor  <iant@google.com>
6017
6018	* object.cc (Sized_relobj_file::do_layout): Remove unused local
6019	variable external_symbols_offset.
6020
60212011-09-12  Ian Lance Taylor  <iant@google.com>
6022
6023	* object.cc (Sized_relobj_file::do_layout): Remove assertion which
6024	triggered if object has no symbols.
6025
60262011-09-09  David S. Miller  <davem@davemloft.net>
6027
6028	* output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
6029	(Output_fill_debug_line::do_write): Likewise.
6030
60312011-08-29  Cary Coutant  <ccoutant@google.com>
6032
6033	* output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
6034	casts to match formatting specs.
6035	(Output_fill_debug_line::do_minimum_hole_size): Likewise.
6036
60372011-08-26  Cary Coutant  <ccoutant@google.com>
6038
6039	* layout.cc (Free_list::allocate): Provide guarantee of minimum
6040	remaining hole size when allocating.
6041	(Layout::make_output_section): Set fill methods for debug sections.
6042	* layout.h (Free_list::Free_list_node): Move from private to
6043	public.
6044	(Free_list::set_min_hole_size): New function.
6045	(Free_list::begin, Free_list::end): New functions.
6046	(Free_list::min_hole_): New data member.
6047	* output.cc: Include dwarf.h.
6048	(Output_fill_debug_info::do_minimum_hole_size): New function.
6049	(Output_fill_debug_info::do_write): New function.
6050	(Output_fill_debug_line::do_minimum_hole_size): New function.
6051	(Output_fill_debug_line::do_write): New function.
6052	(Output_section::Output_section): Initialize new data member.
6053	(Output_section::set_final_data_size): Ensure patch space is larger
6054	than minimum hole size.
6055	(Output_section::do_write): Fill holes in debug sections.
6056	* output.h (Output_fill): New class.
6057	(Output_fill_debug_info): New class.
6058	(Output_fill_debug_line): New class.
6059	(Output_section::set_free_space_fill): New function.
6060	(Output_section::free_space_fill_): New data member.
6061	* testsuite/Makefile.am (incremental_test_3): Add
6062	--incremental-patch option.
6063	(incremental_test_4): Likewise.
6064	(incremental_test_5): Likewise.
6065	(incremental_test_6): Likewise.
6066	(incremental_copy_test): Likewise.
6067	(incremental_common_test_1): Likewise.
6068	* testsuite/Makefile.in: Regenerate.
6069
60702011-08-26  Nick Clifton  <nickc@redhat.com>
6071
6072	* po/es.po: Updated Spanish translation.
6073
60742011-08-01  Cary Coutant  <ccoutant@google.com>
6075
6076	* gold/testsuite/Makefile.am (justsyms_exec): New testcase.
6077	* gold/testsuite/Makefile.in: Regenerate.
6078	* gold/testsuite/justsyms_exec.c: New source file.
6079	* gold/testsuite/justsyms_lib.c: New source file.
6080
60812011-08-01  Cary Coutant  <ccoutant@google.com>
6082
6083	* layout.cc (Layout::set_segment_offsets): Don't realign text
6084	segment if -Ttext was specified.
6085	* object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
6086	file type.
6087	* object.h (Sized_relobj_file::e_type): New function.
6088	(Sized_relobj_file::e_type_): New data member.
6089	* symtab.cc (Symbol_table::add_from_relobj): Don't add section
6090	base address for ET_EXEC files.
6091	* target.cc (Target::do_make_elf_object_implementation): Allow
6092	ET_EXEC files with --just-symbols option.
6093
60942011-07-28  Cary Coutant  <ccoutant@google.com>
6095
6096	* workqueue-internal.h (Workqueue_threader::should_cancel_thread):
6097	Add thread_number parameter.
6098	(Workqueue_threader_threadpool::should_cancel_thread): Likewise.
6099	* workqueue-threads.cc
6100	(Workqueue_threader_threadpool::should_cancel_thread): Cancel
6101	current thread if its thread number is greater than desired thread
6102	count.
6103	* workqueue.cc (Workqueue_threader_single::should_cancel_thread):
6104	Add thread_number parameter.
6105	(Workqueue::should_cancel_thread): Likewise.
6106	(Workqueue::find_runnable_or_wait): Pass thread_number to
6107	should_cancel_thread.
6108	* workqueue.h (Workqueue::should_cancel_thread): Add thread_number
6109	parameter.
6110
61112011-07-22  Sriraman Tallam  <tmsriram@google.com>
6112
6113	* symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
6114	only after checking if it cannot be forced local.
6115	* symtab.h (is_externally_visible): Check if the symbol is not forced
6116	local.
6117
61182011-07-15  Ian Lance Taylor  <iant@google.com>
6119
6120	* options.h (class General_options): Add --print-output-format.
6121	Move -EL next to -EB, for  better --help output.
6122	* target-select.cc: Include <cstdio>, "options.h", and
6123	"parameters.h".
6124	(Target_selector::do_target_bfd_name): New function.
6125	(print_output_format): New function.
6126	* target-select.h (class Target_selector): Update declarations.
6127	(Target_selector::target_bfd_name): New function.
6128	(print_output_format): Declare.
6129	* main.cc: Include "target-select.h".
6130	(main): Handle --print-output-format.
6131	* gold.cc: Include "target-select.h".
6132	(queue_initial_tasks): Handle --print-output-format when there are
6133	no input files.
6134	* parameters.cc (parameters_force_valid_target): Give a better
6135	error message if -EB/-EL does not match target.
6136	* freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
6137	function.
6138
61392011-07-15  Ian Lance Taylor  <iant@google.com>
6140
6141	* i386.cc (class Output_data_plt_i386): Add layout_ field.
6142	(Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
6143	(Output_data_plt_i386::do_write): Write address of .dynamic
6144	section to first entry in .got.plt section.
6145	* x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
6146	(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
6147	Initialize layout_.
6148	(Output_data_plt_x86_64::do_write): Write address of .dynamic
6149	section to first entry in .got.plt section.
6150	* layout.h (Layout::dynamic_section): New function.
6151
61522011-07-13  Sriraman Tallam  <tmsriram@google.com>
6153
6154	* archive.cc (Archive::get_elf_object_for_member): Add extra parameter
6155	to claim_file call.
6156	* layout.cc (Layout::Layout): Initialize section_ordering_specified_,
6157	input_section_position_, and input_section_glob_.
6158	(read_layout_from_file): Call function section_ordering_specified.
6159	* layout.h (is_section_ordering_specified): New function.
6160	(section_ordering_specified): New function.
6161	(section_ordering_specified_): New boolean member.
6162	* main.cc(main): Call load_plugins after layout object is defined.
6163	* output.cc (Output_section::add_input_section): Use
6164	function section_ordering_specified to check if section ordering is
6165	needed.
6166	* output.cc (Output_section::add_relaxed_input_section): Use
6167	function section_ordering_specified to check if section ordering is
6168	needed.
6169	(Output_section::update_section_layout): New function.
6170	(Output_section::sort_attached_input_sections): Check if input section
6171	must be reordered.
6172	* output.h (Output_section::update_section_layout): New function.
6173	* plugin.cc (get_section_count): New function.
6174	(get_section_type): New function.
6175	(get_section_name): New function.
6176	(get_section_contents): New function.
6177	(update_section_order): New function.
6178	(allow_section_ordering): New function.
6179	(Plugin::load): Add the new interfaces to the transfer vector.
6180	(Plugin_manager::load_plugins): New parameter.
6181	(Plugin_manager::all_symbols_read): New parameter.
6182	(Plugin_manager::claim_file): New parameter. Save the elf object for
6183	unclaimed objects.
6184	(Plugin_manager::get_elf_object): New function.
6185	(Plugin_manager::get_view): Change to directly use the bool to check
6186	if get_view is called from claim_file_hook.
6187	* plugin.h (input_objects): New function
6188	(Plugin__manager::load_plugins): New parameter.
6189	(Plugin_manager::claim_file): New parameter.
6190	(Plugin_manager::get_elf_object): New function.
6191	(Plugin_manager::in_claim_file_handler): New function.
6192	(Plugin_manager::in_claim_file_handler_): New member.
6193	(layout): New function.
6194	* readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
6195	handler with an extra parameter. Make the elf object before calling
6196	claim_file handler.
6197	* testsuite/plugin_test.c (get_section_count): New function pointer.
6198	(get_section_type): New function pointer.
6199	(get_section_name): New function pointer.
6200	(get_section_contents): New function pointer.
6201	(update_section_order): New function pointer.
6202	(allow_section_ordering): New function pointer.
6203	(onload): Check if the new interfaces exist.
6204
62052011-07-13  Ian Lance Taylor  <iant@google.com>
6206
6207	* i386.cc (Target_i386::got_section): If -z now, make .got.plt a
6208	relro section.
6209	* x86_64.cc (Target_x86_64::got_section): Likewise.
6210	* testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
6211	(relro_now_test_SOURCES): New variable.
6212	(relro_now_test_DEPENDENCIES): New variable.
6213	(relro_now_test_LDFLAGS): New variable.
6214	(relro_now_test_LDADD): New variable.
6215	(relro_now_test.so): New target.
6216	* testsuite/Makefile.in: Rebuild.
6217
62182011-07-12  Ian Lance Taylor  <iant@google.com>
6219
6220	PR gold/12980
6221	* i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
6222	GLOB_DAT relocation rather than a RELATIVE relocation for a
6223	protected symbol when creating a shared library.
6224	* x86_64.cc (Target_x86_64::Scan::global): Likewise.
6225	* testsuite/protected_1.cc (f2, get_f2_addr): New functions.
6226	* testsuite/protected_main_1.cc (main): Test that protected
6227	function has same address.
6228
62292011-07-11  Ian Lance Taylor  <iant@google.com>
6230
6231	PR gold/12979
6232	* options.h (class General_options): Add -Bgroup.
6233	* options.cc (General_options::finalize): If -Bgroup is set,
6234	default to --unresolved-symbols=report-all.
6235	* layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
6236	* target-reloc.h (issue_undefined_symbol_error): Handle
6237	--unresolved-symbols=report-all.
6238
62392011-07-08  Ian Lance Taylor  <iant@google.com>
6240
6241	PR gold/11985
6242	* layout.cc (Layout::create_initial_dynamic_sections): Don't crash
6243	if linker script discards key sections.
6244	(Layout::create_dynamic_symtab): Likewise.
6245	(Layout::assign_local_dynsym_offsets): Likewise.
6246	(Layout::sized_create_version_sections): Likewise.
6247	(Layout::create_interp): Likewise.
6248	(Layout::finish_dynamic_section): Likewise.
6249	(Layout::set_dynamic_symbol_size): Likewise.
6250
62512011-07-08  Ian Lance Taylor  <iant@google.com>
6252
6253	PR gold/12386
6254	* options.h (class General_options): Add --unresolved-symbols.
6255	* target-reloc.h (issue_undefined_symbol_error): Check
6256	--unresolved-symbols.  Add comments.
6257
62582011-07-08  Ian Lance Taylor  <iant@google.com>
6259
6260	* testsuite/odr_violation2.cc (Ordering::operator()): Make
6261	expression more complex.
6262
62632011-07-08  Ian Lance Taylor  <iant@google.com>
6264
6265	PR gold/11317
6266	* target-reloc.h (issue_undefined_symbol_error): New inline
6267	function, broken out of relocate_section.
6268	(relocate_section): Call issue_undefined_symbol_error.
6269	* i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
6270	there is no TLS segment if we are about to issue an undefined
6271	symbol error.
6272	* x86_64.cc (Target_x86_64::relocate_tls): Likewise.
6273
62742011-07-08  Ian Lance Taylor  <iant@google.com>
6275
6276	PR gold/12279
6277	* resolve.cc (Symbol_table::should_override): Add fromtype
6278	parameter.  Change all callers.  Give error when linking together
6279	TLS and non-TLS symbol.
6280	(Symbol_table::should_override_with_special): Add fromtype
6281	parameter.  Change all callers.
6282	* i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
6283	there is no TLS segment if we have reported some errors.
6284	* x86_64.cc (Target_x86_64::relocate_tls): Likewise.
6285
62862011-07-08  Ian Lance Taylor  <iant@google.com>
6287
6288	PR gold/12372
6289	* target.h (Target::plt_address_for_global): New function.
6290	(Target::plt_address_for_local): New function.
6291	(Target::plt_section_for_global): Remove.
6292	(Target::plt_section_for_local): Remove.
6293	(Target::do_plt_address_for_global): New virtual function.
6294	(Target::do_plt_address_for_local): New virtual function.
6295	(Target::do_plt_section_for_global): Remove.
6296	(Target::do_plt_section_for_local): Remove.
6297	(Target::register_global_plt_entry): Add Symbol_table and Layout
6298	parameters.
6299	* output.cc (Output_data_got::Got_entry::write): Use
6300	plt_address_for_global and plt_address_for_local.
6301	* layout.cc (Layout::add_target_dynamic_tags): Use size and
6302	address of output section.
6303	* i386.cc (class Output_data_plt_i386): Add irelative_rel_,
6304	got_irelative_, and irelative_count_ fields.  Update
6305	declarations.
6306	(Output_data_plt_i386::has_irelative_section): New function.
6307	(Output_data_plt_i386::entry_count): Add irelative_count_.
6308	(Output_data_plt_i386::set_final_data_size): Likewise.
6309	(class Target_i386): Add got_irelative_ and rel_irelative_
6310	fields.  Update declarations.
6311	(Target_i386::Target_i386): Initialize new fields.
6312	(Target_i386::do_plt_address_for_global): New function replacing
6313	do_plt_section_for_global.
6314	(Target_i386::do_plt_address_for_local): New function replacing
6315	do_plt_section_for_local.
6316	(Target_i386::got_section): Create got_irelative_.
6317	(Target_i386::rel_irelative_section): New function.
6318	(Output_data_plt_i386::Output_data_plt_i386): Initialize new
6319	fields.  Don't define __rel_iplt_{start,end}.
6320	(Output_data_plt_i386::add_entry): Add symtab and layout
6321	parameters.  Change all callers.  Use different PLT and GOT for
6322	IFUNC symbols.
6323	(Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
6324	layout parameters.  Change all callers.  Use different PLT and
6325	GOT.
6326	(Output_data_plt_i386::rel_tls_desc): Fix formatting.
6327	(Output_data_plt_i386::rel_irelative): New function.
6328	(Output_data_plt_i386::address_for_global): New function.
6329	(Output_data_plt_i386::address_for_local): New function.
6330	(Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
6331	IRELATIVE GOT when changing IFUNC GOT entries.
6332	(Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
6333	reloc.
6334	(Target_i386::do_finalize_sections): Create the __rel_iplt symbols
6335	if we didn't create an IRELATIVE GOT.
6336	(Target_i386::Relocate::relocate): Use plt_address_for_global and
6337	plt_address_for_local.
6338	(Target_i386::do_dynsym_value): Use plt_address_for_global.
6339	* x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
6340	got_irelative_, and irelative_count_ fields.  Update
6341	declarations.
6342	(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
6343	Initialize new fields.  Remove symtab parameter.  Change all
6344	callers.
6345	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
6346	irelative_count_.
6347	(Output_data_plt_x86_64::has_irelative_section): New function.
6348	(Output_data_plt_x86_64::entry_count): Add irelative_count_.
6349	(class Target_x86_64): Add got_irelative_ and rel_irelative_
6350	fields.  Update declarations.
6351	(Target_x86_64::Target_x86_64): Initialize new fields.
6352	(Target_x86_64::do_plt_address_for_global): New function replacing
6353	do_plt_section_for_global.
6354	(Target_x86_64::do_plt_address_for_local): New function replacing
6355	do_plt_section_for_local.
6356	(Target_x86_64::got_section): Create got_irelative_.
6357	(Target_x86_64::rela_irelative_section): New function.
6358	(Output_data_plt_x86_64::init): Remove symtab parameter.  Change
6359	all callers.  Don't create __rel_iplt_{start,end}.
6360	(Output_data_plt_x86_64::add_entry): Add symtab and layout
6361	parameters.  Change all callers.  Use different PLT and GOT for
6362	IFUNC symbols.
6363	(Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
6364	layout parameters.  Change all callers.  Use different PLT and
6365	GOT.
6366	(Output_data_plt_x86_64::add_relocation): Add symtab and layout
6367	parameters.  Change all callers.  Use different PLT and GOT for
6368	IFUNC symbols.
6369	(Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
6370	(Output_data_plt_x86_64::rela_irelative): New function.
6371	(Output_data_plt_x86_64::address_for_global): New function.
6372	(Output_data_plt_x86_64::address_for_local): New function.
6373	(Output_data_plt_x86_64::set_final_data_size): Likewise.
6374	(Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
6375	(Target_x86_64::init_got_plt_for_update): Create got_irelative_.
6376	(Target_x86_64::register_global_plt_entry): Add symtab and layout
6377	parameters.
6378	(Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
6379	reloc.
6380	(Target_x86_64::do_finalize_sections): Create the __rela_iplt
6381	symbols if we didn't create an IRELATIVE GOT.
6382	(Target_x86_64::Relocate::relocate): Use plt_address_for_global and
6383	plt_address_for_local.
6384	(Target_x86_64::do_dynsym_value): Use plt_address_for_global.
6385	* testsuite/ifuncvar1.c: New test file.
6386	* testsuite/ifuncvar2.c: New test file.
6387	* testsuite/ifuncvar3.c: New test file.
6388	* testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
6389	(ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
6390	(ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
6391	(ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
6392	* testsuite/Makefile.in: Rebuild.
6393
63942011-07-07  Cary Coutant  <ccoutant@google.com>
6395
6396	* testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
6397	(two_file_test_1_ndebug.o): Likewise.
6398	(two_file_test_1b_ndebug.o): Likewise.
6399	(two_file_test_2_ndebug.o): Likewise.
6400	(two_file_test_main_ndebug.o): Likewise.
6401	(incremental_test_2): Link with no-debug versions.
6402
64032011-07-06  Cary Coutant  <ccoutant@google.com>
6404
6405	* gold/incremental.cc
6406	(Output_section_incremental_inputs::write_info_blocks): Check for
6407	hidden and internal symbols.
6408
64092011-07-06  Cary Coutant  <ccoutant@google.com>
6410
6411	* incremental.cc (Sized_incremental_binary::do_file_has_changed):
6412	Check disposition for startup file.
6413	(Incremental_inputs::report_command_line): Ignore
6414	--incremental-startup-unchanged option.
6415	* options.cc (General_options::parse_incremental_startup_unchanged):
6416	New function.
6417	(General_options::General_options): Initialize new data member.
6418	* options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
6419	(General_options): Add --incremental-startup-unchanged option.
6420	(General_options::incremental_startup_disposition): New function.
6421	(General_options::incremental_startup_disposition_): New data member.
6422
64232011-07-06  Cary Coutant  <ccoutant@google.com>
6424
6425	* incremental.cc (Sized_incremental_binary::setup_readers): Pass
6426	input file index to Script_info ctor.
6427	(Sized_incremental_binary::do_file_has_changed): Find the
6428	command-line argument for files named in scripts.
6429	* incremental.h (Script_info::Script_info): New ctor
6430	with input file index.
6431	(Script_info::input_file_index): New function.
6432	(Script_info::input_file_index_): New data member.
6433	(Incremental_binary::get_library): Add const.
6434	(Incremental_binary::get_script_info): Add const.
6435	* readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
6436	* testsuite/Makefile.am (incremental_test_5): New test case.
6437	(incremental_test_6): New test case.
6438	* testsuite/Makefile.in: Regenerate.
6439
64402011-07-06  Cary Coutant  <ccoutant@google.com>
6441
6442	* incremental.cc (Sized_incremental_binary::do_check_inputs): Add
6443	debug output when command lines differ.
6444
64452011-07-06  Cary Coutant  <ccoutant@google.com>
6446
6447	* incremental.cc (Incremental_inputs::report_command_line): Ignore
6448	--incremental-patch option.
6449	* layout.cc (Free_list::allocate): Extend allocation beyond original
6450	end if enabled.
6451	(Layout::make_output_section): Mark sections that should get
6452	patch space.
6453	* options.cc (parse_percent): New function.
6454	* options.h (parse_percent): New function.
6455	(DEFINE_percent): New macro.
6456	(General_options): Add --incremental-patch option.
6457	* output.cc (Output_section::Output_section): Initialize new data
6458	members.
6459	(Output_section::add_input_section): Print section name when out
6460	of patch space.
6461	(Output_section::add_output_section_data): Likewise.
6462	(Output_section::set_final_data_size): Add patch space when
6463	doing --incremental-full.
6464	(Output_section::do_reset_address_and_file_offset): Remove patch
6465	space.
6466	(Output_segment::set_section_list_addresses): Print debug output
6467	only if --incremental-update.
6468	* output.h (Output_section::set_is_patch_space_allowed): New function.
6469	(Output_section::is_patch_space_allowed_): New data member.
6470	(Output_section::patch_space_): New data member.
6471	* parameters.cc (Parameters::incremental_full): New function.
6472	* parameters.h (Parameters::incremental_full): New function
6473	* testsuite/Makefile.am (incremental_test_2): Add test for
6474	--incremental-patch option.
6475	* testsuite/Makefile.in: Regenerate.
6476	* testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
6477	(t18): Remove function body.
6478
64792011-07-05  Doug Kwan  <dougkwan@google.com>
6480
6481	PR gold/12771
6482	* arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
6483	Arm_Address type for relocation result.
6484	(Arm_relocate_functions::abs16): Use unaligned access.  Also fix
6485	overflow check.
6486	(Arm_relocate_functions::abs32): Use unaligned access.
6487	(Arm_relocate_functions::rel32): Ditto.
6488	(Arm_relocate_functions::prel31): Ditto.
6489	(Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
6490	* testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
6491	static data relocations.
6492	* testsuite/Makefile.in: Regnerate.
6493	* testsuite/arm_unaligned_reloc.{s,sh}: New files.
6494
64952011-07-05  Ian Lance Taylor  <iant@google.com>
6496
6497	PR gold/12392
6498	* i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
6499	symbols if necessary.
6500	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6501
65022011-07-05  Ian Lance Taylor  <iant@google.com>
6503
6504	PR gold/12952
6505	* resolve.cc (Symbol::override_base_with_special): Simply override
6506	version with special symbol version, ignoring previous version.
6507
65082011-07-05  Ian Lance Taylor  <iant@google.com>
6509
6510	* object.cc (Sized_relobj_file::include_section_group): Add
6511	information to comment about signature location.
6512
65132011-07-02  Ian Lance Taylor  <iant@google.com>
6514
6515	PR gold/12957
6516	* options.h (class General_options): Add -f and -F.
6517	* options.cc (General_options::finalize): Fatal error if -f/-F
6518	are used without -shared.
6519	* layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
6520
65212011-07-02  Ian Lance Taylor  <iant@google.com>
6522
6523	* dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
6524
65252011-07-01  Ian Lance Taylor  <iant@google.com>
6526
6527	PR gold/12525
6528	PR gold/12952
6529	* resolve.cc (Symbol::override_base_with_special): Don't override
6530	the version if the overriding symbol has a different name.
6531	* dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
6532	all callers.  If we give an error about an undefined version,
6533	define the base version if necessary.
6534	* dynobj.h (class Versions): Update declaration.
6535	* testsuite/weak_alias_test_5.cc: New file.
6536	* testsuite/weak_alias_test.script: New file.
6537	* testsuite/weak_alias_test_main.cc: Check that versioned_symbol
6538	and versioned_alias have the right value, and call t2.
6539	* testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
6540	weak_alias_test_5.so.
6541	(weak_alias_test_LDADD): Likewise.
6542	(weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
6543	* testsuite/Makefile.in: Rebuild.
6544
65452011-07-01  Ian Lance Taylor  <iant@google.com>
6546
6547	PR gold/12525
6548	* options.h (class General_options): Support -z notext.
6549	* testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
6550	-Wl,-z,notext.
6551	(two_file_shared_nonpic.so): Likewise.
6552	(two_file_shared_mixed.so): Likewise.
6553	(two_file_shared_mixed_1.so): Likewise.
6554	(weak_undef_lib_nonpic.so): Likewise.
6555	(alt/weak_undef_lib_nonpic.so): Likewise.
6556	(tls_test_shared_nonpic.so): Likewise.
6557	* testsuite/Makefile.in: Rebuild.
6558
65592011-07-01  Ian Lance Taylor  <iant@google.com>
6560
6561	PR gold/12525
6562	* configure.ac: Test whether static linking works, setting
6563	the automake conditional HAVE_STATIC.
6564	* testsuite/Makefile.am: Disable tests using -static if
6565	HAVE_STATIC is not true.
6566	* configure, testsuite/Makefile.in: Rebuild.
6567
65682011-07-01  Ian Lance Taylor  <iant@google.com>
6569
6570	PR gold/12525
6571	* ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
6572	Assert if we see DW_EH_PE_indirect.
6573	* target.h (Target::ehframe_datarel_base): New function.
6574	(Target::do_ehframe_datarel_base): New target function.
6575	* i386.cc (Target_i386::do_ehframe_datarel_base): New function.
6576	* x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
6577	function.
6578
65792011-07-01  Ian Lance Taylor  <iant@google.com>
6580
6581	PR gold/12571
6582	* options.h (class General_options): Add
6583	--ld-generated-unwind-info.
6584	* ehframe.cc (Fde::write): Add address parameter.  Change all
6585	callers.  If associated with PLT, fill in address and size.
6586	(Cie::set_output_offset): Only add merge mapping if there is an
6587	object.
6588	(Cie::write): Add address parameter.  Change all callers.
6589	(Eh_frame::add_ehframe_for_plt): New function.
6590	* ehframe.h (class Fde): Update declarations.  Move shndx_ and
6591	input_offset_ fields into union u_, with new plt field.
6592	(Fde::Fde): Adjust for new union field.
6593	(Fde::Fde) [Output_data version]: New constructor.
6594	(Fde::add_mapping): Only add merge mapping if there is an object.
6595	(class Cie): Update declarations.
6596	(class Eh_frame): Declare add_ehframe_for_plt.
6597	* layout.cc (Layout::layout_eh_frame): Break out code into
6598	make_eh_frame_section, and call it.
6599	(Layout::make_eh_frame_section): New function.
6600	(Layout::add_eh_frame_for_plt): New function.
6601	* layout.h (class Layout): Update declarations.
6602	* merge.cc (Merge_map::add_mapping): Add assertion.
6603	* i386.cc: Include "dwarf.h".
6604	(class Output_data_plt_i386): Make first_plt_entry,
6605	dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
6606	plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
6607	and plt_eh_frame_fde.
6608	(Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
6609	boundary.  Call add_eh_frame_for_plt if appropriate.
6610	* x86_64.cc: Include "dwarf.h".
6611	(class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
6612	first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
6613	plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
6614	and plt_eh_frame_fde.
6615	(Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
6616	appropriate.
6617
66182011-06-29  Ian Lance Taylor  <iant@google.com>
6619
6620	PR gold/12629
6621	* object.cc (Sized_relobj_file::layout_section): Change shdr
6622	parameter to be const.
6623	(Sized_relobj_file::layout_eh_frame_section): New function, broken
6624	out of do_layout.
6625	(Sized_relobj_file::do_layout): Defer .eh_frame sections if
6626	appropriate.  Call layout_eh_frame_section.
6627	(Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
6628	sections.
6629	* object.h (class Sized_relobj_file): Update declarations.
6630
66312011-06-29  Ian Lance Taylor  <iant@google.com>
6632
6633	PR gold/12652
6634	* script.cc (Token::integer_value): Accept trailing M/m/K/k
6635	modifier.
6636	(Lex::gather_token): Accept trailing M/m/K/k for integers.
6637
66382011-06-29  Ian Lance Taylor  <iant@google.com>
6639
6640	PR gold/12675
6641	* object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
6642	SHT_X86_64_UNWIND.
6643	* layout.cc (Layout::layout_eh_frame): Likewise.
6644
66452011-06-29  Ian Lance Taylor  <iant@google.com>
6646
6647	PR gold/12695
6648	* layout.cc (Layout::symtab_section_shndx): New function.
6649	* layout.h (class Layout): Declare symtab_section_shndx.
6650	* output.cc (Output_section::write_header): Call it.
6651
66522011-06-29  Ian Lance Taylor  <iant@google.com>
6653
6654	PR gold/12818
6655	* symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
6656	symbols which are not used in a relocation.
6657
66582011-06-28  Ian Lance Taylor  <iant@google.com>
6659
6660	PR gold/12898
6661	* layout.cc (Layout::segment_precedes): Don't crash if a linker
6662	script create indistinguishable segments.
6663	(Layout::set_segment_offsets): Use stable_sort when sorting
6664	segments.  Pass this to Compare_segments constructor.
6665	* layout.h (class Layout): Make segment_precedes non-static.
6666	(class Compare_segments): Change from struct to class.  Add
6667	layout_ field.  Add constructor.
6668	* script-sections.cc
6669	(Script_sections::attach_sections_using_phdrs_clause): Rename
6670	local orphan to is_orphan.  Don't report failure to put empty
6671	section in segment.  On attachment failure, report name of
6672	section, and attach to first PT_LOAD segment.
6673
66742011-06-28  Ian Lance Taylor  <iant@google.com>
6675
6676	PR gold/12934
6677	* target-select.cc (Target_selector::Target_selector): Add
6678	emulation parameter.  Change all callers.
6679	(select_target_by_bfd_name): Rename from select_target_by_name.
6680	Change all callers.
6681	(select_target_by_emulation): New function.
6682	(supported_emulation_names): New function.
6683	* target-select.h (class Target_selector): Add emulation_ field.
6684	Update declarations.
6685	(Target_selector::recognize_by_bfd_name): Rename from
6686	recognize_by_name.  Change all callers.
6687	(Target_selector::supported_bfd_names): Rename from
6688	supported_names.  Change all callers.
6689	(Target_selector::recognize_by_emulation): New function.
6690	(Target_selector::supported_emulations): New function.
6691	(Target_selector::emulation): New function.
6692	(Target_selector::do_recognize_by_bfd_name): Rename from
6693	do_recognize_by_name.  Change all callers.
6694	(Target_selector::do_supported_bfd_names): Rename from
6695	do_supported_names.  Change all callers.
6696	(Target_selector::do_recognize_by_emulation): New function.
6697	(Target_selector::do_supported_emulations): New function.
6698	(select_target_by_bfd_name): Change name in declaration.
6699	(select_target_by_emulation): Declare.
6700	(supported_emulation_names): Declare.
6701	* parameters.cc (parameters_force_valid_target): Try to find
6702	target based on emulation from -m option.
6703	* options.h (class General_options): Change doc string for -m.
6704	* options.cc (help): Print emulations.
6705	(General_options::parse_V): Likewise.
6706	* freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
6707	Add emulation parameter.  Change all callers.
6708
67092011-06-28  Ian Lance Taylor  <iant@google.com>
6710
6711	* target.h (class Target): Add osabi_ field.
6712	(Target::osabi): New function.
6713	(Target::set_osabi): New function.
6714	(Target::Target): Initialize osabi_.
6715	(Target::do_adjust_elf_header): Make pure virtual.
6716	(Sized_target::do_adjust_elf_header): Declare.
6717	* target.cc (Sized_target::do_adjust_elf_header): New function.
6718	(class Sized_target): Instantiate all versions.
6719	* freebsd.h (class Target_freebsd): Remove.
6720	(Target_selector_freebsd::do_recognize): Call set_osabi on
6721	Target.
6722	(Target_selector_freebsd::do_recognize_by_name): Likewise.
6723	(Target_selector_freebsd::set_osabi): Remove.
6724	* i386.cc (class Target_i386): Inherit from Sized_target rather
6725	than Target_freebsd.
6726	* x86_64.cc (class Target_x86_64): Likewise.
6727
67282011-06-28  Ian Lance Taylor  <iant@google.com>
6729
6730	* target.h (Target::can_check_for_function_pointers): Rewrite.
6731	Make non-virtual.
6732	(Target::can_icf_inline_merge_sections): Likewise.
6733	(Target::section_may_have_icf_unsafe_poineters): Likewise.
6734	(Target::Target_info): Add can_icf_inline_merge_sections field.
6735	(Target::do_can_check_for_function_pointers): New virtual
6736	function.
6737	(Target::do_section_may_have_icf_unsafe_pointers): Likewise.
6738	* arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
6739	from can_check_for_function_pointers, move in file.
6740	(Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
6741	section_may_have_icf_unsafe_poineters, move in file.
6742	(Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
6743	* i386.cc (Target_i386::do_can_check_for_function_pointers):
6744	Rename from can_check_for_function_pointers, move in file.
6745	(Target_i386::can_icf_inline_merge_sections): Remove.
6746	(Target_i386::i386_info): Initialize
6747	can_icf_inline_merge_sections.
6748	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
6749	Initialize can_icf_inline_merge_sections.
6750	* sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
6751	* x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
6752	Rename from can_check_for_function_pointers, move in file.
6753	(Target_x86_64::can_icf_inline_merge_sections): Remove.
6754	(Target_x86_64::x86_64_info): Initialize
6755	can_icf_inline_merge_sections.
6756	* testsuite/testfile.cc (Target_test::test_target_info):
6757	Likewise.
6758	* icf.cc (get_section_contents): Correct formatting.
6759
67602011-06-27  Ian Lance Taylor  <iant@google.com>
6761
6762	* symtab.cc (Symbol::versioned_name): New function.
6763	(Symbol_table::add_to_final_symtab): Use versioned_name when
6764	appropriate.
6765	(Symbol_table::sized_write_symbol): Likewise.
6766	* symtab.h (class Symbol): Declare versioned_name.
6767	* stringpool.h (class Stringpool_template): Add variant of add
6768	which takes a std::basic_string.
6769	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
6770	(ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
6771	(ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
6772	(ver_test_12.o): New target.
6773	* testsuite/Makefile.in: Rebuild.
6774
67752011-06-27  Doug Kwan  <dougkwan@google.com>
6776
6777	* arm.cc (Arm_relocate_functions::thm_jump8,
6778	Arm_relocate_functions::thm_jump11): Use a wider signed
6779	type to compute offset.
6780	* testsuite/Makefile.am: Add new tests arm_thm_jump11 and
6781	arm_thm_jump8.
6782	* testsuite/Makefile.in: Regenerate.
6783	* testsuite/arm_branch_in_range.sh: Check test results of
6784	arm_thm_jump11 and arm_thm_jump8.
6785	* testsuite/arm_thm_jump11.s: New test source file.
6786	* testsuite/arm_thm_jump11.t: New linker script.
6787	* testsuite/arm_thm_jump8.s: New test source file.
6788	* testsuite/arm_thm_jump8.t: New linker script.
6789
67902011-06-24  Ian Lance Taylor  <iant@google.com>
6791
6792	* layout.cc: Include "object.h".
6793	(ctors_sections_in_init_array): New static variable.
6794	(Layout::is_ctors_in_init_array): New function.
6795	(Layout::layout): Add entry to ctors_sections_in_init_array if
6796	appropriate.
6797	* layout.h (class Layout): Declare is_ctors_in_init_array.
6798	* reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
6799	is_ctors_reverse_view is set.
6800	(Sized_relobj_file::write_sections): Add layout parameter.  Change
6801	all callers.  Set is_ctors_reverse_view field of View_size.
6802	(Sized_relobj_file::reverse_words): New function.
6803	* object.h (Sized_relobj_file::View_size): Add
6804	is_ctors_reverse_view field.
6805	(class Sized_relobj_file): Update declarations.
6806	* testsuite/initpri3.c: New test.
6807	* testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
6808	initpri3b.
6809	(initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
6810	(initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
6811	(initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
6812	(initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
6813	* testsuite/Makefile.in: Rebuild.
6814
68152011-06-24  Cary Coutant  <ccoutant@google.com>
6816
6817	* testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
6818	(debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
6819	(debug_msg_cdebug.err): New targets.
6820	* testsuite/Makefile.in: Regenerate.
6821	* testsuite/debug_msg.sh: Check output of link with compressed debug.
6822	Fix checks for link with shared library.
6823
68242011-06-24  Doug Kwan  <dougkwan@google.com>
6825
6826	* arm.cc (Arm_output_section::append_text_sections_to_list): Do not
6827	skip empty text sections.
6828	* testsuite/arm_exidx_test.s: Test handling of an empty text section.
6829
68302011-06-22  Ian Lance Taylor  <iant@google.com>
6831
6832	PR gold/12910
6833	* options.h (class General_options): Add --ctors-in-init-array.
6834	* layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
6835	friends as SHT_PROGBITS for merging sections.
6836	(Layout::layout): Remove special handling of .init_array and
6837	friends.  Don't sort if doing relocatable link.  Sort for .ctors
6838	and .dtors if ctors_in_init_array.
6839	(Layout::make_output_section): Force correct section types for
6840	.init_array and friends.  Don't sort if doing relocatable link,
6841	Don't sort .ctors and .dtors if ctors_in_init_array.
6842	(Layout::section_name_mapping): Remove .ctors. and .dtorso.
6843	(Layout::output_section_name): Add relobj parameter.  Change all
6844	callers.  Handle .ctors. and .dtors. in code rather than table.
6845	Handle .ctors and .dtors if ctors_in_init_array.
6846	(Layout::match_file_name): New function, moved from output.cc.
6847	* layout.h (class Layout): Update declarations.
6848	* output.cc: Include "layout.h".
6849	(Input_section_sort_entry::get_priority): New function.
6850	(Input_section_sort_entry::match_file_name): Just call
6851	Layout::match_file_name.
6852	(Output_section::Input_section_sort_init_fini_compare::operator()):
6853	Handle .ctors and .dtors.  Sort by explicit priority rather than
6854	by name.
6855	* configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
6856	* testsuite/initpri2.c: New test.
6857	* testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
6858	(check_PROGRAMS): Add initpri2.
6859	(initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
6860	(initpri2_LDFLAGS, initpri2_LDADD): New variables.
6861	* configure, testsuite/Makefile.in: Rebuild.
6862
68632011-06-19  Ian Lance Taylor  <iant@google.com>
6864
6865	PR gold/12880
6866	* layout.cc (Layout::attach_allocated_section_to_segment): Add a
6867	.interp section to a PT_INTERP segment even if we have seen a
6868	--dynamic-linker option.  Don't do it if we have seen a PHDRS
6869	clause in a linker script.
6870	(Layout::finalize): Don't create a .interp section if we've
6871	already create a PT_INTERP segment.
6872	(Layout::create_interp): Always call choose_output_section (revert
6873	patch of 2011-06-17).  Don't create PT_INTERP segment.
6874	* script-sections.cc
6875	(Script_sections::create_note_and_tls_segments): Add a .interp
6876	section to a PT_INTERP segment even if we have seen a
6877	--dynamic-linker option.
6878
68792011-06-18  Ian Lance Taylor  <iant@google.com>
6880
6881	* layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
6882	merely because a non-PT_LOAD segment has a dynamic reloc.
6883
68842011-06-18  Ian Lance Taylor  <iant@google.com>
6885
6886	* layout.cc (Layout::finish_dynamic_section): Don't create
6887	DT_FLAGS entry if not needed.
6888
68892011-06-18  Ian Lance Taylor  <iant@google.com>
6890
6891	PR gold/12745
6892	* layout.cc (Layout::layout_eh_frame): Correct handling of
6893	writable .eh_frame section.
6894
68952011-06-17  Ian Lance Taylor  <iant@google.com>
6896
6897	PR gold/12893
6898	* resolve.cc (Symbol_table::resolve): Don't give an error if a
6899	symbol is redefined with the exact same object and value.
6900
69012011-06-17  Ian Lance Taylor  <iant@google.com>
6902
6903	PR gold/12880
6904	* layout.h (class Layout): Add interp_segment_ field.
6905	* layout.cc (Layout::Layout): Initialize interp_segment_ field.
6906	(Layout::attach_allocated_section_to_segment): If making shared
6907	library, put .interp section in PT_INTERP segment.
6908	(Layout::finalize): Also call create_interp if -dynamic-linker
6909	option was used.
6910	(Layout::create_interp): Assert that there is no PT_INTERP
6911	segment.  If not using a SECTIONS clause, use make_output_section.
6912	(Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
6913	* script-sections.cc
6914	(Script_sections::create_note_and_tls_segments): If making shared
6915	library, put .interp section in PT_INTERP segment.
6916
69172011-06-17  Ian Lance Taylor  <iant@google.com>
6918
6919	* object.cc (Sized_relobj_file::do_layout): Keep warning sections
6920	when making a shared library.
6921
69222011-06-17  Ian Lance Taylor  <iant@google.com>
6923
6924	* x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
6925	parameter.  Change all callers.  Don't issue warning about PC32
6926	against locally defined symbol.
6927
69282011-06-16  Ian Lance Taylor  <iant@google.com>
6929
6930	* symtab.cc (Warnings::issue_warning): Don't warn if relocation
6931	occurs in same object.
6932
69332011-06-14  Alan Modra  <amodra@gmail.com>
6934
6935	* po/POTFILES.in: Regenerate.
6936
69372011-06-09  Ian Lance Taylor  <iant@google.com>
6938
6939	* script-sections.cc
6940	(Orphan_output_section::set_section_addresses): For a relocatable
6941	link set address to 0.
6942
69432011-06-09  Cary Coutant  <ccoutant@google.com>
6944
6945	PR gold/12804
6946	* gold/gold.cc (queue_initial_tasks): Warn if --incremental is
6947	used with --compress-debug-sections.
6948	* gold/object.cc (Sized_relobj_file::do_layout): Report
6949	uncompressed size of compressed input sections.
6950
69512011-06-08  Cary Coutant  <ccoutant@google.com>
6952
6953	PR gold/12804
6954	* testsuite/two_file_test_2_v1.cc: Change initialization of
6955	v2 to keep it in .data.
6956
69572011-06-07  Cary Coutant  <ccoutant@google.com>
6958
6959	* common.cc (Symbol_table::do_allocate_commons_list): Call
6960	gold_fallback.
6961	* errors.cc (Errors::fatal): Adjust call to gold_exit.
6962	(Errors::fallback): New function.
6963	(gold_fallback): New function.
6964	* errors.h (Errors::fallback): New function.
6965	* gold.cc (gold_exit): Change status parameter to enum; adjust
6966	all callers.
6967	(queue_initial_tasks): Call gold_fallback.
6968	* gold.h: Include cstdlib.
6969	(Exit_status): New enum type.
6970	(gold_exit): Change status parameter to enum.
6971	(gold_fallback): New function.
6972	* layout.cc (Layout::set_section_offsets): Call gold_fallback.
6973	(Layout::create_symtab_sections): Likewise.
6974	(Layout::create_shdrs): Likewise.
6975	* main.cc (main): Adjust call to gold_exit.
6976	* output.cc (Output_data_got::add_got_entry): Call gold_fallback.
6977	(Output_data_got::add_got_entry_pair): Likewise.
6978	(Output_section::add_input_section): Likewise.
6979	(Output_section::add_output_section_data): Likewise.
6980	(Output_segment::set_section_list_addresses): Likewise.
6981	* x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
6982
69832011-06-07  Cary Coutant  <ccoutant@google.com>
6984
6985	* layout.cc (Layout::set_segment_offsets): Don't adjust layout
6986	for incremental links.
6987	* output.cc (Output_segment::set_section_list_addresses): Remove
6988	FIXME and test for TLS or BSS.
6989
69902011-06-07  Cary Coutant  <ccoutant@google.com>
6991
6992	* testsuite/Makefile.am: Add incremental_copy_test,
6993	incremental_common_test_1.
6994	* testsuite/Makefile.in: Regenerate.
6995	* testsuite/common_test_1_v1.c: New source file.
6996	* testsuite/common_test_1_v2.c: New source file.
6997	* testsuite/copy_test_v1.cc: New source file.
6998
69992011-06-07  Cary Coutant  <ccoutant@google.com>
7000
7001	* common.cc (Symbol_table::do_allocate_commons_list): For incremental
7002	update, allocate common from bss section's free list.
7003	* incremental-dump.cc (dump_incremental_inputs): Print flag for
7004	linker-defined symbols.
7005	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
7006	Skip GOT and PLT entries that are no longer referenced.
7007	(Output_section_incremental_inputs::write_info_blocks): Mark
7008	linker-defined symbols.
7009	(Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
7010	* output.cc (Output_section::allocate): New function.
7011	* output.h (Output_section::allocate): New function.
7012	* resolve.cc (Symbol_table::report_resolve_problem): Add case for
7013	linker-defined symbols.
7014	(Symbol::override_base_with_special): Copy is_predefined_ flag.
7015	* symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
7016	(Symbol::init_base_output_data): Likewise.
7017	(Symbol::init_base_output_segment): Likewise.
7018	(Symbol::init_base_constant): Likewise.
7019	(Sized_symbol::init_output_data): Likewise.
7020	(Sized_symbol::init_output_segment): Likewise.
7021	(Sized_symbol::init_constant): Likewise.
7022	(Symbol_table::do_define_in_output_data): Likewise.
7023	(Symbol_table::do_define_in_output_segment): Likewise.
7024	(Symbol_table::do_define_as_constant): Likewise.
7025	* symtab.h (Symbol::is_predefined): New function.
7026	(Symbol::init_base_output_data): Add is_predefined parameter.
7027	(Symbol::init_base_output_segment): Likewise.
7028	(Symbol::init_base_constant): Likewise.
7029	(Symbol::is_predefined_): New data member.
7030	(Sized_symbol::init_output_data): Add is_predefined parameter.
7031	(Sized_symbol::init_output_segment): Likewise.
7032	(Sized_symbol::init_constant): Likewise.
7033	(enum Symbol_table::Defined): Add INCREMENTAL_BASE.
7034
70352011-06-07  Cary Coutant  <ccoutant@google.com>
7036
7037	* copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
7038	instead of emit_copy_reloc.
7039	(Copy_relocs::emit_copy_reloc): Refactor.
7040	(Copy_relocs::make_copy_reloc): New function.
7041	(Copy_relocs::add_copy_reloc): Remove.
7042	* copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
7043	section.
7044	(Copy_relocs::make_copy_reloc): New function.
7045	(Copy_relocs::add_copy_reloc): Remove.
7046	* gold.cc (queue_middle_tasks): Emit old COPY relocations from
7047	unchanged input files.
7048	* incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
7049	* incremental.cc (Sized_incremental_binary::do_reserve_layout):
7050	Reserve BSS space for COPY relocations.
7051	(Sized_incremental_binary::do_emit_copy_relocs): New function.
7052	(Output_section_incremental_inputs::write_info_blocks): Record
7053	whether a symbol is copied from a shared object.
7054	(Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
7055	* incremental.h (enum Incremental_shlib_symbol_flags): New type.
7056	(INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
7057	(Incremental_input_entry_reader::get_output_symbol_index): Add
7058	is_copy parameter.
7059	(Incremental_binary::emit_copy_relocs): New function.
7060	(Incremental_binary::do_emit_copy_relocs): New function.
7061	(Sized_incremental_binary::Sized_incremental_binary): Initialize
7062	new data member.
7063	(Sized_incremental_binary::add_copy_reloc): New function.
7064	(Sized_incremental_binary::do_emit_copy_relocs): New function.
7065	(Sized_incremental_binary::Copy_reloc): New struct.
7066	(Sized_incremental_binary::Copy_relocs): New typedef.
7067	(Sized_incremental_binary::copy_relocs_): New data member.
7068	* symtab.cc (Symbol_table::add_from_incrobj): Change return type.
7069	* symtab.h (Symbol_table::add_from_incrobj): Change return type.
7070	* target.h (Sized_target::emit_copy_reloc): New function.
7071	* x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
7072
70732011-06-02  Cary Coutant  <ccoutant@google.com>
7074
7075	PR gold/12163
7076	* gold/archive.cc (Archive::Archive): Initialize new data member.
7077	(Archive::include_all_members): Return if archive has already been
7078	included.
7079	* gold/archive.h (Archive::include_all_members_): New data member.
7080
70812011-06-02  Nick Clifton  <nickc@redhat.com>
7082
7083	* dynobj.h: Fix spelling mistake in comment.
7084	* output.cc: Likewise.
7085
70862011-05-31  Doug Kwan  <dougkwan@google.com>
7087	    Asier Llano
7088
7089	PR gold/12826
7090	* arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
7091	arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
7092	* testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
7093	redundant arm_exidx_test.so.
7094	* testsuite/Makefile.in: Regenerate.
7095	(check_SCRIPTS): Add pr12826.sh
7096	(check_DATA): Add pr12826.stdout
7097	(pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
7098	* testsuite/pr12826.sh: New file.
7099	* testsuite/pr12826_1.s: Ditto.
7100	* testsuite/pr12826_1.s: Ditto.
7101
71022011-05-30  Ian Lance Taylor  <iant@google.com>
7103
7104	* reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
7105	sections.
7106
71072011-05-29  Ian Lance Taylor  <iant@google.com>
7108
7109	PR gold/12804
7110	* testsuite/Makefile.am: Use different file name for two_file_test
7111	temporary file for each incremental test.
7112	* testsuite/Makefile.in: Rebuild.
7113
71142011-05-29  Ian Lance Taylor  <iant@google.com>
7115
7116	* binary.cc (Binary_to_elf::sized_convert): Don't crash if the
7117	binary input file is empty.
7118
71192011-05-27  Ian Lance Taylor  <iant@google.com>
7120
7121	* testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
7122	(ver_test_9.so): Likewise.
7123	* testsuite/Makefile.in: Rebuild.
7124
71252011-05-26 Cary Coutant  <ccoutant@google.com>
7126
7127	* incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
7128	* incremental.cc (Incremental_inputs::report_input_section): Fix
7129	comment, indentation.
7130	(Incremental_inputs::report_comdat_group): New function.
7131	(Output_section_incremental_inputs::set_final_data_size): Adjust size
7132	of data for incremental input file entry.
7133	(Output_section_incremental_inputs::write_info_blocks): Write COMDAT
7134	group count, COMDAT group signatures.
7135	(Sized_incr_relobj::do_layout): Record kept COMDAT group info from
7136	an unchanged input file.
7137	* incremental.h (Incremental_object_entry::Incremental_object_entry):
7138	Initialize new data member.
7139	(Incremental_object_entry::add_comdat_group): New function.
7140	(Incremental_object_entry::get_comdat_group_count): New function.
7141	(Incremental_object_entry::get_comdat_signature_key): New function.
7142	(Incremental_object_entry::groups_): New data member.
7143	(Incremental_inputs::report_comdat_group): New function.
7144	(Incremental_input_entry_reader::get_symbol_offset): Adjust size of
7145	data for incremental input file entry.
7146	(Incremental_input_entry_reader::get_comdat_group_count): New function.
7147	(Incremental_input_entry_reader::get_input_section): Adjust size of
7148	data for incremental input file entry.
7149	(Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
7150	(Incremental_input_entry_reader::get_comdat_group_signature): New
7151	function.
7152	* object.cc (Sized_relobj::include_section_group): Report kept
7153	COMDAT groups for incremental links.
7154
71552011-05-24  David Meyer  <pdox@google.com>
7156
7157	* dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
7158	with name parameter.  Add found_name parameter.
7159	* fileread.cc (Input_file::find_file): Adjust code accordingly.
7160	* dirsearch.h (class Dirsearch): Update declaration.
7161
71622011-05-24  Ian Lance Taylor  <iant@google.com>
7163
7164	* archive.cc (Library_base::should_include_member): Pull in object
7165	from archive if it defines the entry symbol.
7166	* parameters.cc (Parameters::entry): New function.
7167	* parameters.h (class Parameters): Declare entry.
7168	* output.h (class Output_file_header): Remove entry_ field.
7169	* output.cc (Output_file_header::Output_file_header): Remove entry
7170	parameter.  Change all callers.
7171	(Output_file_header::entry): Use parameters->entry.
7172	* gold.cc (queue_middle_tasks): Likewise.
7173	* plugin.cc (Plugin_hook::run): Likewise.
7174
71752011-05-24 Cary Coutant  <ccoutant@google.com>
7176
7177	* gold.cc (queue_initial_tasks): Pass incremental base filename
7178	to Output_file::open_base_file; don't print error message.
7179	* incremental-dump.cc (main): Adjust call to
7180	Output_file::open_for_modification.
7181	* incremental-dump.cc (main): Likewise.
7182	* incremental.cc (Incremental_inputs::report_command_line):
7183	Ignore --incremental-base option when comparing command lines.
7184	Ignore parameter when given as separate argument.
7185	* options.h (class General_options): Add --incremental-base.
7186	* output.cc (Output_file::Output_file):
7187	(Output_file::open_base_file): Add base_name and writable parameters;
7188	read base file into new file; print error message here.
7189	(Output_file::map_no_anonymous): Add writable parameter; adjust all
7190	callers.
7191	* output.h (Output_file::open_for_modification): Rename to...
7192	(Output_file::open_base_file): ...this; add base_name and
7193	writable parameters; adjust all callers.
7194	(Output_file::map_no_anonymous): Add writable parameter; adjust all
7195	callers.
7196	* testsuite/Makefile.am (incremental_test_4): Test
7197	--incremental-base.
7198	* testsuite/Makefile.in: Regenerate.
7199
72002011-05-24 Cary Coutant  <ccoutant@google.com>
7201
7202	* testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
7203	incremental_test_4.
7204	* testsuite/Makefile.in: Regenerate.
7205	* testsuite/two_file_test_1_v1.cc: New test source file.
7206	* testsuite/two_file_test_1b_v1.cc: New test source file.
7207	* testsuite/two_file_test_2_v1.cc: New test source file.
7208
72092011-05-24 Cary Coutant  <ccoutant@google.com>
7210
7211	* dynobj.h (Dynobj::do_dynobj): New function.
7212	* incremental-dump.cc (dump_incremental_inputs): Print as_needed
7213	flag and soname for shared objects.
7214	* incremental.cc (Incremental_inputs::report_object): Make
7215	either Incremental_object_entry or Incremental_dynobj_entry; add
7216	soname to string table.
7217	(Incremental_inputs::report_input_section): Add assertion.
7218	(Output_section_incremental_inputs::set_final_data_size): Adjust
7219	type of input file entry for shared libraries; adjust size of
7220	shared library info entry.
7221	(Output_section_incremental_inputs::write_input_files): Write
7222	as_needed flag for shared libraries.
7223	(Output_section_incremental_inputs::write_info_blocks): Adjust type
7224	of input file entry for shared libraries; write soname.
7225	(Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
7226	soname from incremental info.
7227	* incremental.h (enum Incremental_input_flags): Add
7228	INCREMENTAL_INPUT_AS_NEEDED.
7229	(Incremental_input_entry::Incremental_input_entry): Initialize new
7230	data member.
7231	(Incremental_input_entry::set_as_needed): New function.
7232	(Incremental_input_entry::as_needed): New function.
7233	(Incremental_input_entry::do_dynobj_entry): New function.
7234	(Incremental_input_entry::as_needed_): New data member.
7235	(Incremental_object_entry::Incremental_object_entry): Don't check
7236	for shared library.
7237	(Incremental_object_entry::do_type): Likewise.
7238	(class Incremental_dynobj_entry): New class.
7239	(Incremental_input_entry_reader::as_needed): New function.
7240	(Incremental_input_entry_reader::get_soname): New function.
7241	(Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
7242	(Incremental_input_entry_reader::get_output_symbol_index): Adjust
7243	size of shared library info entry.
7244	* layout.cc (Layout::finish_dynamic_section): Don't test for
7245	incremental link when adding DT_NEEDED entries.
7246	* object.h (Object::Object): Initialize new data member.
7247	(Object::dynobj): New function.
7248	(Object::set_as_needed): New function.
7249	(Object::as_needed): New function.
7250	(Object::do_dynobj): New function.
7251	(Object::as_needed_): New data member.
7252
72532011-05-24 Cary Coutant  <ccoutant@google.com>
7254
7255	* incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
7256	info; adjust display of GOT entries.
7257	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
7258	vector of input objects; remove file_status_.
7259	(Sized_incremental_binary::do_reserve_layout): Remove file_status_.
7260	(Sized_incremental_binary::do_process_got_plt): Adjust calls to
7261	got_plt reader; call target hooks to reserve GOT entries.
7262	(Output_section_incremental_inputs::set_final_data_size): Adjust size
7263	of input file info header and GOT info entry.
7264	(Output_section_incremental_inputs::write_info_blocks): Write dynamic
7265	relocation info.
7266	(Got_plt_view_info::got_descriptor): Remove.
7267	(Got_plt_view_info::sym_index): New data member.
7268	(Got_plt_view_info::input_index): New data member.
7269	(Local_got_offset_visitor::visit): Write input file index.
7270	(Global_got_offset_visitor::visit): Write 0 for input file index.
7271	(Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
7272	with sym_index and input_index.
7273	(Output_section_incremental_inputs::write_got_plt): Adjust size of
7274	incremental info GOT entry; replace got_descriptor with input_index.
7275	(Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
7276	map from input file index to object.
7277	(Sized_relobj_incr::do_layout): Replace direct data member reference
7278	with accessor function.
7279	(Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
7280	* incremental.h (Incremental_input_entry_reader::get_symbol_offset):
7281	Adjust size of input file info header.
7282	(Incremental_input_entry_reader::get_first_dyn_reloc): New function.
7283	(Incremental_input_entry_reader::get_dyn_reloc_count): New function.
7284	(Incremental_input_entry_reader::get_input_section): Adjust size of
7285	input file info header.
7286	(Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
7287	of incremental info GOT entry.
7288	(Incremental_got_plt_reader::get_got_desc): Remove.
7289	(Incremental_got_plt_reader::get_got_symndx): New function.
7290	(Incremental_got_plt_reader::get_got_input_index): New function.
7291	(Sized_incremental_binary::Sized_incremental_binary): Remove
7292	file_status_; add input_objects_.
7293	(Sized_incremental_binary::~Sized_incremental_binary): Remove.
7294	(Sized_incremental_binary::set_file_is_unchanged): Remove.
7295	(Sized_incremental_binary::file_is_unchanged): Remove.
7296	(Sized_incremental_binary::set_input_object): New function.
7297	(Sized_incremental_binary::input_object): New function.
7298	(Sized_incremental_binary::file_status_): Remove.
7299	(Sized_incremental_binary::input_objects_): New data member.
7300	(Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
7301	references.
7302	(Sized_relobj_incr::invalid_address): Move to base class.
7303	(Sized_relobj_incr::is_output_section_offset_invalid): Move to base
7304	class.
7305	(Sized_relobj_incr::do_output_section_offset): Likewise.
7306	(Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
7307	(Sized_relobj_incr::section_offsets_): Likewise.
7308	* object.cc (Sized_relobj::do_for_all_local_got_entries): New
7309	function.
7310	(Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
7311	(Sized_relobj_file::layout_section): Replace refs to section_offsets_
7312	with accessor function.
7313	(Sized_relobj_file::do_layout): Likewise.
7314	(Sized_relobj_file::do_layout_deferred_sections): Likewise.
7315	(Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
7316	(Sized_relobj_file::compute_final_local_value): Replace refs to
7317	section_offsets_ with accessor function.
7318	(Sized_relobj_file::do_finalize_local_symbols): Likewise.
7319	* object.h (Relobj::Relobj): Initialize new data members.
7320	(Relobj::add_dyn_reloc): New function.
7321	(Relobj::first_dyn_reloc): New function.
7322	(Relobj::dyn_reloc_count): New function.
7323	(Relobj::first_dyn_reloc_): New data member.
7324	(Relobj::dyn_reloc_count_): New data member.
7325	(Sized_relobj): Rename Sized_relobj_base to this; adjust all
7326	references.
7327	(Sized_relobj::Address): New typedef.
7328	(Sized_relobj::invalid_address): Move here from child class.
7329	(Sized_relobj::Sized_relobj): Initialize new data members.
7330	(Sized_relobj::sized_relobj): New function.
7331	(Sized_relobj::is_output_section_offset_invalid): Move here from
7332	child class.
7333	(Sized_relobj::get_output_section_offset): Likewise.
7334	(Sized_relobj::local_has_got_offset): Likewise.
7335	(Sized_relobj::local_got_offset): Likewise.
7336	(Sized_relobj::set_local_got_offset): Likewise.
7337	(Sized_relobj::do_for_all_local_got_entries): Likewise.
7338	(Sized_relobj::clear_got_offsets): New function.
7339	(Sized_relobj::section_offsets): Move here from child class.
7340	(Sized_relobj::do_output_section_offset): Likewise.
7341	(Sized_relobj::do_set_section_offset): Likewise.
7342	(Sized_relobj::Local_got_offsets): Likewise.
7343	(Sized_relobj::local_got_offsets_): Likewise.
7344	(Sized_relobj::section_offsets_): Likewise.
7345	(Sized_relobj_file): Rename Sized_relobj to this; adjust all
7346	references.
7347	(Sized_relobj_file::is_output_section_offset_invalid): Move to base
7348	class.
7349	(Sized_relobj_file::sized_relobj): New function
7350	(Sized_relobj_file::local_has_got_offset): Move to base class.
7351	(Sized_relobj_file::local_got_offset): Likewise.
7352	(Sized_relobj_file::set_local_got_offset): Likewise.
7353	(Sized_relobj_file::get_output_section_offset): Likewise.
7354	(Sized_relobj_file::do_for_all_local_got_entries): Likewise.
7355	(Sized_relobj_file::do_output_section_offset): Likewise.
7356	(Sized_relobj_file::do_set_section_offset): Likewise.
7357	(Sized_relobj_file::Local_got_offsets): Likewise.
7358	(Sized_relobj_file::local_got_offsets_): Likewise.
7359	(Sized_relobj_file::section_offsets_): Likewise.
7360	* output.cc (Output_reloc::Output_reloc): Adjust type of relobj
7361	(all constructors).
7362	(set_needs_dynsym_index): Convert relobj to derived class pointer.
7363	(Output_reloc::get_symbol_index): Likewise.
7364	(Output_reloc::local_section_offset): Likewise.
7365	(Output_reloc::get_address): Likewise.
7366	(Output_reloc::symbol_value): Likewise.
7367	(Output_data_got::reserve_slot): Move to class definition.
7368	(Output_data_got::reserve_local): New function.
7369	(Output_data_got::reserve_slot_for_global): Remove.
7370	(Output_data_got::reserve_global): New function.
7371	* output.h (Output_reloc::Output_reloc): Adjust type of relobj
7372	(all constructors, two instantiations).
7373	(Output_reloc::get_relobj): New function (two instantiations).
7374	(Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
7375	(Output_data_reloc_base::add): Convert relobj to derived class pointer.
7376	(Output_data_reloc::add_global): Adjust type of relobj.
7377	(Output_data_reloc::add_global_relative): Likewise.
7378	(Output_data_reloc::add_symbolless_global_addend): Likewise.
7379	(Output_data_reloc::add_local): Likewise.
7380	(Output_data_reloc::add_local_relative): Likewise.
7381	(Output_data_reloc::add_symbolless_local_addend): Likewise.
7382	(Output_data_reloc::add_local_section): Likewise.
7383	(Output_data_reloc::add_output_section): Likewise.
7384	(Output_data_reloc::add_absolute): Likewise.
7385	(Output_data_reloc::add_target_specific): Likewise.
7386	(Output_data_got::reserve_slot): Move definition here.
7387	(Output_data_got::reserve_local): New function.
7388	(Output_data_got::reserve_global): New function.
7389	* reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
7390	section_offsets_ with accessor function.
7391	(Sized_relobj_file::write_sections): Likewise.
7392	(Sized_relobj_file::do_relocate_sections): Likewise.
7393	* target.h (Sized_target::reserve_local_got_entry): New function.
7394	(Sized_target::reserve_global_got_entry): New function.
7395	* x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
7396	(Target_x86_64::reserve_global_got_entry): New function.
7397	(Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
7398
73992011-05-23 Cary Coutant  <ccoutant@google.com>
7400
7401	* gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
7402	* incremental-dump.cc (dump_incremental_inputs): Mask high-order
7403	bit when checking got_type.
7404	* incremental.cc (Sized_incremental_binary::setup_readers):
7405	Store symbol table and string table locations; initialize bit vector
7406	of file status flags.
7407	(Sized_incremental_binary::do_reserve_layout): Set bit flag for
7408	unchanged files.
7409	(Sized_incremental_binary::do_process_got_plt): New function.
7410	(Sized_incremental_binary::get_symtab_view): Use stored locations.
7411	(Output_section_incremental_inputs::set_final_data_size): Record
7412	file index for each input file.
7413	(Output_section_incremental_inputs::write_got_plt): Store file index
7414	instead of input entry offset for each GOT entry.
7415	* incremental.h
7416	(Incremental_input_entry::Incremental_input_entry): Initialize new
7417	data member.
7418	(Incremental_input_entry::set_offset): Store file index.
7419	(Incremental_input_entry::get_file_index): New function.
7420	(Incremental_input_entry::file_index_): New data member.
7421	(Incremental_binary::process_got_plt): New function.
7422	(Incremental_binary::do_process_got_plt): New function.
7423	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
7424	data members.
7425	(Sized_incremental_binary::~Sized_incremental_binary): New destructor.
7426	(Sized_incremental_binary::set_file_is_unchanged): New function.
7427	(Sized_incremental_binary::file_is_unchanged): New function.
7428	(Sized_incremental_binary::do_process_got_plt): New function.
7429	(Sized_incremental_binary::file_status_): New data member.
7430	(Sized_incremental_binary::main_symtab_loc_): New data member.
7431	(Sized_incremental_binary::main_strtab_loc_): New data member.
7432	* output.cc (Output_data_got::Got_entry::write): Add case
7433	RESERVED_CODE.
7434	(Output_data_got::add_global): Call add_got_entry.
7435	(Output_data_got::add_global_plt): Likewise.
7436	(Output_data_got::add_global_with_rel): Likewise.
7437	(Output_data_got::add_global_with_rela): Likewise.
7438	(Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
7439	(Output_data_got::add_global_pair_with_rela): Likewise.
7440	(Output_data_got::add_local): Call add_got_entry.
7441	(Output_data_got::add_local_plt): Likewise.
7442	(Output_data_got::add_local_with_rel): Likewise.
7443	(Output_data_got::add_local_with_rela): Likewise.
7444	(Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
7445	(Output_data_got::add_local_pair_with_rela): Likewise.
7446	(Output_data_got::reserve_slot): New function.
7447	(Output_data_got::reserve_slot_for_global): New function.
7448	(Output_data_got::add_got_entry): New function.
7449	(Output_data_got::add_got_entry_pair): New function.
7450	(Output_section::add_output_section_data): Edit FIXME.
7451	* output.h
7452	(Output_section_data_build::Output_section_data_build): New
7453	constructor with size parameter.
7454	(Output_data_space::Output_data_space): Likewise.
7455	(Output_data_got::Output_data_got): Initialize new data member; new
7456	constructor with size parameter.
7457	(Output_data_got::add_constant): Call add_got_entry.
7458	(Output_data_got::reserve_slot): New function.
7459	(Output_data_got::reserve_slot_for_global): New function.
7460	(class Output_data_got::Got_entry): Add RESERVED_CODE.
7461	(Output_data_got::add_got_entry): New function.
7462	(Output_data_got::add_got_entry_pair): New function.
7463	(Output_data_got::free_list_): New data member.
7464	* target.h (Sized_target::init_got_plt_for_update): New function.
7465	(Sized_target::register_global_plt_entry): New function.
7466	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
7467	Initialize new data member; call init; add constructor with PLT count.
7468	(Output_data_plt_x86_64::init): New function.
7469	(Output_data_plt_x86_64::add_relocation): New function.
7470	(Output_data_plt_x86_64::reserve_slot): New function.
7471	(Output_data_plt_x86_64::free_list_): New data member.
7472	(Target_x86_64::init_got_plt_for_update): New function.
7473	(Target_x86_64::register_global_plt_entry): New function.
7474	(Output_data_plt_x86_64::add_entry): Allocate from free list for
7475	incremental updates.
7476	(Output_data_plt_x86_64::add_relocation): New function.
7477	* testsuite/object_unittest.cc (Object_test): Set default options.
7478
74792011-05-16  Ian Lance Taylor  <iant@google.com>
7480
7481	* options.h (class General_options): Make -i a synonym for -r.
7482
74832011-05-16  Ian Lance Taylor  <iant@google.com>
7484
7485	* testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
7486
74872011-05-10 Cary Coutant  <ccoutant@google.com>
7488
7489	* object.cc (Sized_relobj::do_count_local_symbols): Check for
7490	strip_all (-s).
7491
74922011-05-06  Ian Lance Taylor  <iant@google.com>
7493
7494	* layout.cc (Layout::layout): If the output section flags change,
7495	update the ordering.
7496
74972011-04-25 Cary Coutant  <ccoutant@google.com>
7498
7499	* incremental-dump.cc (dump_incremental_inputs): Print local
7500	symbol info for each input file.
7501	* incremental.cc
7502	(Output_section_incremental_inputs::set_final_data_size): Add local
7503	symbol info to input file entries in incremental info.
7504	(Output_section_incremental_inputs::write_info_blocks): Likewise.
7505	(Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
7506	(Sized_incr_relobj::do_add_symbols): Cosmetic change.
7507	(Sized_incr_relobj::do_count_local_symbols): Replace stub with
7508	implementation.
7509	(Sized_incr_relobj::do_finalize_local_symbols): Likewise.
7510	(Sized_incr_relobj::do_relocate): Write the local symbols.
7511	(Sized_incr_dynobj::do_add_symbols): Cosmetic change.
7512	* incremental.h (Incremental_inputs_reader::get_symbol_offset):
7513	Adjust size of input file header.
7514	(Incremental_inputs_reader::get_local_symbol_offset): New function.
7515	(Incremental_inputs_reader::get_local_symbol_count): New function.
7516	(Incremental_inputs_reader::get_input_section): Adjust size of input
7517	file header.
7518	(Incremental_inputs_reader::get_global_symbol_reader): Likewise.
7519	(Sized_incr_relobj::This): New typedef.
7520	(Sized_incr_relobj::sym_size): New const data member.
7521	(Sized_incr_relobj::Local_symbol): New struct.
7522	(Sized_incr_relobj::do_output_local_symbol_count): New function.
7523	(Sized_incr_relobj::do_local_symbol_offset): New function.
7524	(Sized_incr_relobj::local_symbol_count_): New data member.
7525	(Sized_incr_relobj::output_local_dynsym_count_): New data member.
7526	(Sized_incr_relobj::local_symbol_index_): New data member.
7527	(Sized_incr_relobj::local_symbol_offset_): New data member.
7528	(Sized_incr_relobj::local_dynsym_offset_): New data member.
7529	(Sized_incr_relobj::local_symbols_): New data member.
7530	* object.h (Relobj::output_local_symbol_count): New function.
7531	(Relobj::local_symbol_offset): New function.
7532	(Relobj::do_output_local_symbol_count): New function.
7533	(Relobj::do_local_symbol_offset): New function.
7534	(Sized_relobj::do_output_local_symbol_count): New function.
7535	(Sized_relobj::do_local_symbol_offset): New function.
7536
75372011-04-22  Vladimir Simonov  <sv@sw.ru>
7538
7539	* descriptors.cc (set_close_on_exec): New function.
7540	(Descriptors::open): Use set_close_on_exec.
7541	* output.cc (S_ISLNK): Define if not defined.
7542
75432011-04-22 Cary Coutant  <ccoutant@google.com>
7544
7545	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
7546	global symbol map.
7547	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
7548	(Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
7549	(Sized_incr_relobj::do_relocate): Remap section indices in incremental
7550	relocations.
7551	(Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
7552	(Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
7553	(Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
7554	* incremental.h
7555	(Incremental_inputs_reader::global_symbol_reader_at_offset): New
7556	function.
7557	(Incremental_binary::apply_incremental_relocs): New function.
7558	(Incremental_binary::do_apply_incremental_relocs): New function.
7559	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
7560	data member.
7561	(Sized_incremental_binary::add_global_symbol): New function.
7562	(Sized_incremental_binary::global_symbol): New function.
7563	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
7564	(Sized_incremental_binary::symbol_map_): New data member.
7565	* layout.cc (Layout_task_runner::run): Apply incremental relocations.
7566	* target.h (Sized_target::apply_relocation): New function.
7567	* target-reloc.h (apply_relocation): New function.
7568	* x86_64.cc (Target_x86_64::apply_relocation): New function.
7569
75702011-04-22  Doug Kwan  <dougkwan@google.com>
7571
7572	* arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
7573	flag of a SHT_ARM_EXIDX section.
7574	* testsuite/Makefile.am (arm_exidx_test): New test rules.
7575	* testsuite/Makefile.in: Regenerate.
7576	* testsuite/arm_exidx_test.s: New file.
7577	* testsuite/arm_exidx_test.sh: Same.
7578
75792011-04-20 Cary Coutant  <ccoutant@google.com>
7580
7581	PR gold/12689
7582	* archive.h (Incremental_archive_entry::Archive_member):
7583	Initialize arg_serial_ (second constructor).
7584
75852011-04-17  Ian Lance Taylor  <iant@google.com>
7586
7587	* object.cc (Relocate_info::location): Simplify location string.
7588	* errors.cc (Errors::error_at_location): Don't print program
7589	name.
7590	(Errors::warning_at_location): Likewise.
7591	(Errors::undefined_symbol): Likewise.
7592	* testsuite/debug_msg.sh: Update accordingly.
7593
75942011-04-14 Cary Coutant  <ccoutant@google.com>
7595
7596	* gold/layout.cc (Layout::symtab_section_offset): New function.
7597	* gold/layout.h (Layout::symtab_section_offset): New function.
7598	* gold/reloc.cc (Sized_relobj::do_relocate): Call it.
7599
76002011-04-12  Ian Lance Taylor  <iant@google.com>
7601
7602	* configure.ac: Check for sys/mman.h and mmap.  Check for mremap
7603	with MREMAP_MAYMOVE.
7604	* output.h (class Output_file): Add map_is_allocated_ field.
7605	* output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
7606	not available, provide stubs.  If mremap is not available, #define
7607	it to gold_mremap.
7608	(MREMAP_MAYMOVE): Define if not defined.
7609	(Output_file::Output_file): Initialize map_is_allocated_.
7610	(Output_file::resize): Check map_is_allocated_.
7611	(Output_file::map_anonymous): If mmap fails, use malloc.
7612	(Output_file::unmap): Don't do anything for an anonymous map.
7613	* fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
7614	is not available, provide stubs.
7615	(File_read::View::~View): Use free rather than delete[].
7616	(File_read::make_view): Use malloc rather than new[].  If mmap
7617	fails, use malloc.
7618	(File_read::find_or_make_view): Use malloc rather than new[].
7619	* gold.h: Remove HAVE_REMAP code.
7620	* mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
7621	exists.  Rename mremap to gold_mremap.  If mmap is not available
7622	don't do anything.
7623	* configure, config.in: Rebuild.
7624
76252011-04-11  Ian Lance Taylor  <iant@google.com>
7626
7627	* incremental.cc (Sized_incr_relobj::do_add_symbols): Always
7628	initialize local variable v.
7629
76302011-04-11  Cary Coutant  <ccoutant@google.com>
7631
7632	* archive.cc (Archive::include_member): Adjust call to
7633	report_object.
7634	(Add_archive_symbols::run): Track argument serial numbers.
7635	(Lib_group::include_member): Likewise.
7636	(Add_lib_group_symbols::run): Adjust call to report_archive_begin.
7637	* archive.h (Incremental_archive_entry::Archive_member):
7638	Initialize arg_serial_.
7639	(Archive_member::arg_serial_): New data member.
7640	* dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
7641	(Sized_dynobj::do_add_symbols): Track symbols when doing an
7642	incremental link.
7643	(Sized_dynobj::do_for_all_local_got_entries): New function.
7644	* dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
7645	function.
7646	* fileread.cc (get_mtime): New function.
7647	* fileread.h (get_mtime): New function.
7648	* gold.cc (queue_initial_tasks): Check for incremental update.
7649	(process_incremental_input): New function.
7650	(queue_middle_tasks): Don't force valid target for incremental
7651	update.
7652	* incremental-dump.cc (find_input_containing_global): Adjust
7653	size of symbol info entry.
7654	(dump_incremental_inputs): Dump argument serial number and
7655	in_system_directory flag; bias shndx by 1; print symbol names
7656	when dumping per-file symbol lists; use new symbol info readers.
7657	* incremental.cc
7658	(Output_section_incremental_inputs:update_data_size): New function.
7659	(Sized_incremental_binary::setup_readers): Setup input readers
7660	for each input file; build maps for files added from libraries
7661	and scripts.
7662	(Sized_incremental_binary::check_input_args): New function.
7663	(Sized_incremental_binary::do_check_inputs): Build map of argument
7664	serial numbers to input arguments.
7665	(Sized_incremental_binary::do_file_has_changed): Rename
7666	do_file_is_unchanged to this; compare file modification times.
7667	(Sized_incremental_binary::do_init_layout): New function.
7668	(Sized_incremental_binary::do_reserve_layout): New function.
7669	(Sized_incremental_binary::do_get_input_reader): Remove.
7670	(Sized_incremental_binary::get_symtab_view): New function.
7671	(Incremental_checker::can_incrementally_link_output_file): Remove.
7672	(Incremental_inputs::report_command_line): Exclude --debug options.
7673	(Incremental_inputs::report_archive_begin): Add parameter; track
7674	argument serial numbers; don't put input file entry for archive
7675	before archive members.
7676	(Incremental_inputs::report_archive_end): Put input file entry
7677	for archive after archive members.
7678	(Incremental_inputs::report_object): Add parameter; track argument
7679	serial numbers and in_system_directory flag.
7680	(Incremental_inputs::report_script): Add parameter; track argument
7681	serial numbers.
7682	(Output_section_incremental_inputs::set_final_data_size): Adjust
7683	size of symbol info entry; check for forwarding symbols.
7684	(Output_section_incremental_inputs::write_input_files): Write
7685	in_system_directory flag and argument serial number.
7686	(Output_section_incremental_inputs::write_info_blocks): Map section
7687	indices between incremental info and original input file; store
7688	input section index for each symbol.
7689	(class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
7690	change operator() to visit().
7691	(class Global_got_offset_visitor): Likewise.
7692	(class Global_symbol_visitor_got_plt):
7693	(Output_section_incremental_inputs::write_got_plt): Use new visitor
7694	classes.
7695	(Sized_incr_relobj::Sized_incr_relobj): New constructor.
7696	(Sized_incr_relobj::do_read_symbols): New function.
7697	(Sized_incr_relobj::do_layout): New function.
7698	(Sized_incr_relobj::do_layout_deferred_sections): New function.
7699	(Sized_incr_relobj::do_add_symbols): New function.
7700	(Sized_incr_relobj::do_should_include_member): New function.
7701	(Sized_incr_relobj::do_for_all_global_symbols): New function.
7702	(Sized_incr_relobj::do_for_all_local_got_entries): New function.
7703	(Sized_incr_relobj::do_section_size): New function.
7704	(Sized_incr_relobj::do_section_name): New function.
7705	(Sized_incr_relobj::do_section_contents): New function.
7706	(Sized_incr_relobj::do_section_flags): New function.
7707	(Sized_incr_relobj::do_section_entsize): New function.
7708	(Sized_incr_relobj::do_section_address): New function.
7709	(Sized_incr_relobj::do_section_type): New function.
7710	(Sized_incr_relobj::do_section_link): New function.
7711	(Sized_incr_relobj::do_section_info): New function.
7712	(Sized_incr_relobj::do_section_addralign): New function.
7713	(Sized_incr_relobj::do_initialize_xindex): New function.
7714	(Sized_incr_relobj::do_get_global_symbol_counts): New function.
7715	(Sized_incr_relobj::do_read_relocs): New function.
7716	(Sized_incr_relobj::do_gc_process_relocs): New function.
7717	(Sized_incr_relobj::do_scan_relocs): New function.
7718	(Sized_incr_relobj::do_count_local_symbols): New function.
7719	(Sized_incr_relobj::do_finalize_local_symbols): New function.
7720	(Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
7721	(Sized_incr_relobj::do_set_local_dynsym_offset): New function.
7722	(Sized_incr_relobj::do_relocate): New function.
7723	(Sized_incr_relobj::do_set_section_offset): New function.
7724	(Sized_incr_dynobj::Sized_incr_dynobj): New function.
7725	(Sized_incr_dynobj::do_read_symbols): New function.
7726	(Sized_incr_dynobj::do_layout): New function.
7727	(Sized_incr_dynobj::do_add_symbols): New function.
7728	(Sized_incr_dynobj::do_should_include_member): New function.
7729	(Sized_incr_dynobj::do_for_all_global_symbols): New function.
7730	(Sized_incr_dynobj::do_for_all_local_got_entries): New function.
7731	(Sized_incr_dynobj::do_section_size): New function.
7732	(Sized_incr_dynobj::do_section_name): New function.
7733	(Sized_incr_dynobj::do_section_contents): New function.
7734	(Sized_incr_dynobj::do_section_flags): New function.
7735	(Sized_incr_dynobj::do_section_entsize): New function.
7736	(Sized_incr_dynobj::do_section_address): New function.
7737	(Sized_incr_dynobj::do_section_type): New function.
7738	(Sized_incr_dynobj::do_section_link): New function.
7739	(Sized_incr_dynobj::do_section_info): New function.
7740	(Sized_incr_dynobj::do_section_addralign): New function.
7741	(Sized_incr_dynobj::do_initialize_xindex): New function.
7742	(Sized_incr_dynobj::do_get_global_symbol_counts): New function.
7743	(make_sized_incremental_object): New function.
7744	(Incremental_library::copy_unused_symbols): New function.
7745	(Incremental_library::do_for_all_unused_symbols): New function.
7746	* incremental.h (enum Incremental_input_flags): New type.
7747	(class Incremental_checker): Remove.
7748	(Incremental_input_entry::Incremental_input_entry): Add argument
7749	serial number.
7750	(Incremental_input_entry::arg_serial): New function.
7751	(Incremental_input_entry::set_is_in_system_directory): New function.
7752	(Incremental_input_entry::is_in_system_directory): New function.
7753	(Incremental_input_entry::arg_serial_): New data member.
7754	(Incremental_input_entry::is_in_system_directory_): New data member.
7755	(class Script_info): Move here from script.h.
7756	(Script_info::Script_info): Add filename parameter.
7757	(Script_info::filename): New function.
7758	(Script_info::filename_): New data member.
7759	(Incremental_script_entry::Incremental_script_entry): Add argument
7760	serial number.
7761	(Incremental_object_entry::Incremental_object_entry): Likewise.
7762	(Incremental_object_entry::add_input_section): Build list of input
7763	sections with map to original shndx.
7764	(Incremental_object_entry::get_input_section_index): New function.
7765	(Incremental_object_entry::shndx_): New data member.
7766	(Incremental_object_entry::name_key_): Rename; adjust all refs.
7767	(Incremental_object_entry::sh_size_): Rename; adjust all refs.
7768	(Incremental_archive_entry::Incremental_archive_entry): Add argument
7769	serial number.
7770	(Incremental_inputs::report_archive_begin): Likewise.
7771	(Incremental_inputs::report_object): Likewise.
7772	(Incremental_inputs::report_script): Likewise.
7773	(class Incremental_global_symbol_reader): New class.
7774	(Incremental_input_entry_reader::Incremental_input_entry_reader): Read
7775	and store flags and input file type.
7776	(Incremental_input_entry_reader::arg_serial): New function.
7777	(Incremental_input_entry_reader::type): Extract type from flags.
7778	(Incremental_input_entry_reader::is_in_system_directory): New function.
7779	(Incremental_input_entry_reader::get_input_section_count): Call
7780	accessor function for type.
7781	(Incremental_input_entry_reader::get_symbol_offset): Call accessor
7782	function for type; adjust size of global symbol entry.
7783	(Incremental_input_entry_reader::get_global_symbol_count): Call
7784	accessor function for type.
7785	(Incremental_input_entry_reader::get_object_count): Likewise.
7786	(Incremental_input_entry_reader::get_object_offset): Likewise.
7787	(Incremental_input_entry_reader::get_member_count): Likewise.
7788	(Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
7789	(Incremental_input_entry_reader::get_member_offset): Likewise.
7790	(Incremental_input_entry_reader::get_unused_symbol): Likewise.
7791	(Incremental_input_entry_reader::Global_symbol_info): Remove.
7792	(Incremental_input_entry_reader::get_global_symbol_info): Remove.
7793	(Incremental_input_entry_reader::get_global_symbol_reader): New
7794	function.
7795	(Incremental_input_entry_reader::get_output_symbol_index): New
7796	function.
7797	(Incremental_input_entry_reader::type_): Remove.
7798	(Incremental_input_entry_reader::flags_): New data member.
7799	(Incremental_inputs_reader::input_file_offset): New function.
7800	(Incremental_inputs_reader::input_file_index): New function.
7801	(Incremental_inputs_reader::input_file): Call input_file_offset.
7802	(Incremental_inputs_reader::input_file_at_offset): New function.
7803	(Incremental_relocs_reader::get_r_type): Reformat.
7804	(Incremental_relocs_reader::get_r_shndx): Reformat.
7805	(Incremental_relocs_reader::get_r_offset): Reformat.
7806	(Incremental_relocs_reader::data): New function.
7807	(Incremental_binary::Incremental_binary): Initialize new data members.
7808	(Incremental_binary::check_inputs): Add cmdline parameter.
7809	(Incremental_binary::file_is_unchanged): Remove.
7810	(Input_reader::arg_serial): New function.
7811	(Input_reader::get_unused_symbol_count): New function.
7812	(Input_reader::get_unused_symbol): New function.
7813	(Input_reader::do_arg_serial): New function.
7814	(Input_reader::do_get_unused_symbol_count): New function.
7815	(Input_reader::do_get_unused_symbol): New function.
7816	(Incremental_binary::input_file_count): New function.
7817	(Incremental_binary::get_input_reader): Change signature to use
7818	index instead of filename.
7819	(Incremental_binary::file_has_changed): New function.
7820	(Incremental_binary::get_input_argument): New function.
7821	(Incremental_binary::get_library): New function.
7822	(Incremental_binary::get_script_info): New function.
7823	(Incremental_binary::init_layout): New function.
7824	(Incremental_binary::reserve_layout): New function.
7825	(Incremental_binary::output_file): New function.
7826	(Incremental_binary::do_check_inputs): New function.
7827	(Incremental_binary::do_file_is_unchanged): Remove.
7828	(Incremental_binary::do_file_has_changed): New function.
7829	(Incremental_binary::do_init_layout): New function.
7830	(Incremental_binary::do_reserve_layout): New function.
7831	(Incremental_binary::do_input_file_count): New function.
7832	(Incremental_binary::do_get_input_reader): Change signature.
7833	(Incremental_binary::input_args_map_): New data member.
7834	(Incremental_binary::library_map_): New data member.
7835	(Incremental_binary::script_map_): New data member.
7836	(Sized_incremental_binary::Sized_incremental_binary): Initialize
7837	new data members.
7838	(Sized_incremental_binary::output_section): New function.
7839	(Sized_incremental_binary::inputs_reader): Add const.
7840	(Sized_incremental_binary::symtab_reader): Add const.
7841	(Sized_incremental_binary::relocs_reader): Add const.
7842	(Sized_incremental_binary::got_plt_reader): Add const.
7843	(Sized_incremental_binary::get_symtab_view): New function.
7844	(Sized_incremental_binary::Inputs_reader): New typedef.
7845	(Sized_incremental_binary::Input_entry_reader): New typedef.
7846	(Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
7847	(Sized_incremental_binary::do_file_is_unchanged): Remove.
7848	(Sized_incremental_binary::do_file_has_changed): New function.
7849	(Sized_incremental_binary::do_init_layout): New function.
7850	(Sized_incremental_binary::do_reserve_layout): New function.
7851	(Sized_input_reader::Inputs_reader): Remove.
7852	(Sized_input_reader::Input_entry_reader): Remove.
7853	(Sized_input_reader::do_arg_serial): New function.
7854	(Sized_input_reader::do_get_unused_symbol_count): New function.
7855	(Sized_input_reader::do_get_unused_symbol): New function.
7856	(Sized_incremental_binary::do_input_file_count): New function.
7857	(Sized_incremental_binary::do_get_input_reader): Change signature;
7858	use index instead of filename.
7859	(Sized_incremental_binary::section_map_): New data member.
7860	(Sized_incremental_binary::input_entry_readers_): New data member.
7861	(class Sized_incr_relobj): New class.
7862	(class Sized_incr_dynobj): New class.
7863	(make_sized_incremental_object): New function.
7864	(class Incremental_library): New class.
7865	* layout.cc (Free_list::num_lists): New static data member.
7866	(Free_list::num_nodes): New static data member.
7867	(Free_list::num_removes): New static data member.
7868	(Free_list::num_remove_visits): New static data member.
7869	(Free_list::num_allocates): New static data member.
7870	(Free_list::num_allocate_visits): New static data member.
7871	(Free_list::init): New function.
7872	(Free_list::remove): New function.
7873	(Free_list::allocate): New function.
7874	(Free_list::dump): New function.
7875	(Free_list::print_stats): New function.
7876	(Layout_task_runner::run): Resize output file for incremental updates.
7877	(Layout::Layout): Initialize new data members.
7878	(Layout::set_incremental_base): New function.
7879	(Layout::init_fixed_output_section): New function.
7880	(Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
7881	incremental updates.
7882	(Layout::create_gold_note): Do not create gold note section for
7883	incremental updates.
7884	(Layout::set_segment_offsets): Do not recalculate RELRO alignment
7885	for incremental updates.
7886	(Layout::set_section_offsets): For incremental updates, allocate space
7887	from free list.
7888	(Layout::create_symtab_sections): Layout with offsets relative to
7889	start of section; for incremental updates, allocate space from free
7890	list.
7891	(Layout::create_shdrs): For incremental updates, allocate space from
7892	free list.
7893	(Layout::finish_dynamic_section): For incremental updates, do not
7894	check --as-needed (fixed in subsequent patch).
7895	* layout.h (class Free_list): New class.
7896	(Layout::set_incremental_base): New function.
7897	(Layout::incremental_base): New function.
7898	(Layout::init_fixed_output_section): New function.
7899	(Layout::allocate): New function.
7900	(Layout::incremental_base_): New data member.
7901	(Layout::free_list_): New data member.
7902	* main.cc (main): Print Free_list statistics.
7903	* object.cc (Relobj::finalize_incremental_relocs): Add
7904	clear_counts parameter; clear counts only when clear_counts is set.
7905	(Sized_relobj::Sized_relobj): Initialize new base class.
7906	(Sized_relobj::do_layout): Don't report special sections.
7907	(Sized_relobj::do_for_all_local_got_entries): New function.
7908	(Sized_relobj::write_local_symbols): Add symtab_off parameter; add
7909	symtab_off to all symbol table offsets.
7910	(Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
7911	* object.h (class Got_offset_list): Move to top of file.
7912	(Object::Object): Allow case where input_file == NULL.
7913	(Object::~Object): Likewise.
7914	(Object::input_file): Assert that input_file != NULL.
7915	(Object::lock): Allow case where input_file == NULL.
7916	(Object::unlock): Likewise.
7917	(Object::is_locked): Likewise.
7918	(Object::token): Likewise.
7919	(Object::release): Likewise.
7920	(Object::is_incremental): New function.
7921	(Object::get_mtime): New function.
7922	(Object::for_all_local_got_entries): New function.
7923	(Object::clear_view_cache_marks): Allow case where input_file == NULL.
7924	(Object::set_is_in_system_directory): New function.
7925	(Object::is_in_system_directory): New function.
7926	(Object::do_is_incremental): New function.
7927	(Object::do_get_mtime): New function.
7928	(Object::do_for_all_local_got_entries): New function.
7929	(Object::is_in_system_directory_): New data member.
7930	(Relobj::finalize_incremental_relocs): Add clear_counts parameter.
7931	(class Sized_relobj_base): New class.
7932	(class Sized_relobj): Derive from Sized_relobj_base.
7933	(class Sized_relobj::Symbols): Redeclare from base class.
7934	(class Sized_relobj::local_got_offset_list): Remove.
7935	(class Sized_relobj::Output_sections): Redeclare from base class.
7936	(class Sized_relobj::do_for_all_local_got_entries): New function.
7937	(class Sized_relobj::write_local_symbols): Add offset parameter.
7938	(class Sized_relobj::local_symbol_offset_): Update comment.
7939	(class Sized_relobj::local_dynsym_offset_): Update comment.
7940	* options.cc (Input_arguments::add_file): Remove const.
7941	* options.h (Input_file_argument::Input_file_argument):
7942	Initialize arg_serial_ (all constructors).
7943	(Input_file_argument::set_arg_serial): New function.
7944	(Input_file_argument::arg_serial): New function.
7945	(Input_file_argument::arg_serial_): New data member.
7946	(Input_arguments::Input_arguments): Initialize file_count_.
7947	(Input_arguments::add_file): Remove const.
7948	(Input_arguments::number_of_input_files): New function.
7949	(Input_arguments::file_count_): New data member.
7950	(Command_line::number_of_input_files): Call
7951	Input_arguments::number_of_input_files.
7952	* output.cc (Output_segment_headers::Output_segment_headers):
7953	Set current size.
7954	(Output_section::Input_section::current_data_size): New function.
7955	(Output_section::Output_section): Initialize new data members.
7956	(Output_section::add_input_section): Don't do merge sections for
7957	an incremental link; allocate space from free list for an
7958	incremental update.
7959	(Output_section::add_output_section_data): Allocate space from
7960	free list for an incremental update.
7961	(Output_section::update_data_size): New function.
7962	(Output_section::set_fixed_layout): New function.
7963	(Output_section::reserve): New function.
7964	(Output_segment::set_section_addresses): Remove const.
7965	(Output_segment::set_section_list_addresses): Remove const; allocate
7966	space from free list for an incremental update.
7967	(Output_segment::set_offset): Adjust size of RELRO segment for an
7968	incremental update.
7969	* output.h (Output_data::current_data_size): Move here from
7970	child classes.
7971	(Output_data::pre_finalize_data_size): New function.
7972	(Output_data::update_data_size): New function.
7973	(Output_section_headers::update_data_size): new function.
7974	(Output_section_data_build::current_data_size): Move to Output_data.
7975	(Output_data_strtab::update_data_size): New function.
7976	(Output_section::current_data_size): Move to Output_data.
7977	(Output_section::set_fixed_layout): New function.
7978	(Output_section::has_fixed_layout): New function.
7979	(Output_section::reserve): New function.
7980	(Output_section::update_data_size): New function.
7981	(Output_section::has_fixed_layout_): New data member.
7982	(Output_section::free_list_): New data member.
7983	(Output_segment::set_section_addresses): Remove const.
7984	(Output_segment::set_section_list_addresses): Remove const.
7985	* plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
7986	New function.
7987	* plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
7988	New function.
7989	* readsyms.cc (Read_symbols::do_read_symbols): Add library
7990	parameter when calling Add_symbols constructor; store argument
7991	serial number for members of a lib group.
7992	(Add_symbols::locks): Allow case where token == NULL.
7993	(Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
7994	(Read_member::~Read_member): New function.
7995	(Read_member::is_runnable): New function.
7996	(Read_member::locks): New function.
7997	(Read_member::run): New function.
7998	(Check_script::~Check_script): New function.
7999	(Check_script::is_runnable): New function.
8000	(Check_script::locks): New function.
8001	(Check_script::run): New function.
8002	(Check_library::~Check_library): New function.
8003	(Check_library::is_runnable): New function.
8004	(Check_library::locks): New function.
8005	(Check_library::run): New function.
8006	* readsyms.h (Add_symbols::Add_symbols): Add library parameter.
8007	(Add_symbols::library_): New data member.
8008	(class Read_member): New class.
8009	(class Check_script): New class.
8010	(class Check_library): New class.
8011	* reloc.cc (Read_relocs::is_runnable): Allow case where
8012	token == NULL.
8013	(Read_relocs::locks): Likewise.
8014	(Scan_relocs::locks): Likewise.
8015	(Relocate_task::locks): Likewise.
8016	(Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
8017	to clear counters.
8018	(Sized_relobj::incremental_relocs_scan): Fix comment.
8019	(Sized_relobj::do_relocate): Pass output file offset to
8020	write_local_symbols.
8021	(Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
8022	from class declaration.
8023	* script.cc (read_input_script): Allocate Script_info; pass
8024	argument serial number to report_script.
8025	* script.h (class Script_info): Move to incremental.h.
8026	* symtab.cc (Symbol_table::add_from_incrobj): New function.
8027	* symtab.h (Symbol_table::add_from_incrobj): New function.
8028	(Symbol_table::set_file_offset): New function.
8029
80302011-04-05  Cary Coutant  <ccoutant@google.com>
8031
8032	* incremental-dump.cc (dump_incremental_inputs): Change signature
8033	to take a Sized_incremental_binary; change caller.  Use readers
8034	in Sized_incremental_binary.
8035	* incremental.cc
8036	(Sized_incremental_binary::find_incremental_inputs_sections):
8037	Rename do_find_incremental_inputs_sections to this.
8038	(Sized_incremental_binary::setup_readers): New function.
8039	(Sized_incremental_binary::do_check_inputs): Check
8040	has_incremental_info_ flag; move setup code to setup_readers;
8041	use input readers.
8042	(Sized_incremental_binary::do_file_is_unchanged): New function.
8043	(Sized_incremental_binary::do_get_input_reader): New function.
8044	* incremental.h (class Incremental_binary): Move to end of file.
8045	(Incremental_binary::file_is_unchanged): New function.
8046	(Incremental_binary::do_file_is_unchanged): New function.
8047	(Incremental_binary::Input_reader): New class.
8048	(Incremental_binary::get_input_reader): New function.
8049	(class Sized_incremental_binary): Move to end of file.
8050	(Sized_incremental_binary::Sized_incremental_binary): Setup the
8051	input section reader classes.
8052	(Sized_incremental_binary::has_incremental_info): New function.
8053	(Sized_incremental_binary::inputs_reader): New function.
8054	(Sized_incremental_binary::symtab_reader): New function.
8055	(Sized_incremental_binary::relocs_reader): New function.
8056	(Sized_incremental_binary::got_plt_reader): New function.
8057	(Sized_incremental_binary::do_file_is_unchanged): New function.
8058	(Sized_incremental_binary::Sized_input_reader): New class.
8059	(Sized_incremental_binary::get_input_reader): New function.
8060	(Sized_incremental_binary::find_incremental_inputs_sections):
8061	Rename do_find_incremental_inputs_sections to this.
8062	(Sized_incremental_binary::setup_readers): New function.
8063	(Sized_incremental_binary::has_incremental_info_): New data member.
8064	(Sized_incremental_binary::inputs_reader_): New data member.
8065	(Sized_incremental_binary::symtab_reader_): New data member.
8066	(Sized_incremental_binary::relocs_reader_): New data member.
8067	(Sized_incremental_binary::got_plt_reader_): New data member.
8068	(Sized_incremental_binary::current_input_file_): New data member.
8069
80702011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
8071
8072	PR gold/12640
8073	* dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
8074	violation.
8075
80762011-03-30  Cary Coutant  <ccoutant@google.com>
8077
8078	* archive.cc (Archive::include_member): Adjust call to report_object.
8079	(Add_archive_symbols::run): Add script_info to call to
8080	report_archive_begin.
8081	(Lib_group::include_member): Adjust call to report_object.
8082	(Add_lib_group_symbols::run): Adjust call to report_object.
8083	* incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
8084	blocks.  Add object count for script input files.
8085	* incremental.cc (Incremental_inputs::report_archive_begin): Add
8086	script_info parameter; change all callers.
8087	(Incremental_inputs::report_object): Add script_info parameter;
8088	change all callers.
8089	(Incremental_inputs::report_script): Store backpointer to
8090	incremental info entry.
8091	(Output_section_incremental_inputs::set_final_data_size): Record
8092	additional information for scripts.
8093	(Output_section_incremental_inputs::write_info_blocks): Likewise.
8094	* incremental.h (Incremental_script_entry::add_object): New function.
8095	(Incremental_script_entry::get_object_count): New function.
8096	(Incremental_script_entry::get_object): New function.
8097	(Incremental_script_entry::objects_): New data member; adjust
8098	constructor.
8099	(Incremental_inputs::report_archive_begin): Add script_info parameter.
8100	(Incremental_inputs::report_object): Add script_info parameter.
8101	(Incremental_inputs_reader::get_object_count): New function.
8102	(Incremental_inputs_reader::get_object_offset): New function.
8103	* options.cc (Input_arguments::add_file): Return reference to
8104	new input argument.
8105	* options.h (Input_argument::set_script_info): New function.
8106	(Input_argument::script_info): New function.
8107	(Input_argument::script_info_): New data member; adjust all
8108	constructors.
8109	(Input_file_group::add_file): Return reference to new input argument.
8110	(Input_file_lib::add_file): Likewise.
8111	(Input_arguments::add_file): Likewise.
8112	* readsyms.cc (Add_symbols::run): Adjust call to report_object.
8113	* script.cc (Parser_closure::Parser_closure): Add script_info
8114	parameter; adjust all callers.
8115	(Parser_closure::script_info): New function.
8116	(Parser_closure::script_info_): New data member.
8117	(read_input_script): Report scripts earlier to incremental info.
8118	(script_add_file): Set script_info in Input_argument.
8119	(script_add_library): Likewise.
8120	* script.h (Script_options::Script_info): Rewrite class.
8121
81222011-03-29  Cary Coutant  <ccoutant@google.com>
8123
8124	* archive.cc (Library_base::should_include_member): Move
8125	method here from class Archive.
8126	(Archive::Archive): Initialize base class.
8127	(Archive::should_include_member): Move to base class.
8128	(Archive::do_for_all_unused_symbols): New function.
8129	(Add_archive_symbols::run): Remove redundant access to
8130	incremental_inputs.
8131	(Lib_group::Lib_group): Initialize base class.
8132	(Lib_group::do_filename): New function.
8133	(Lib_group::include_member): Pass pointer to Lib_group to
8134	report_object.
8135	(Lib_group::do_for_all_unused_symbols): New function.
8136	(Add_lib_group_symbols::run): Report archive information for
8137	incremental links.
8138	* archive.h (class Library_base): New base class.
8139	(class Archive): Derive from Library_base.
8140	(Archive::filename): Move to base class.
8141	(Archive::set_incremental_info): Likewise.
8142	(Archive::incremental_info): Likewise.
8143	(Archive::Should_include): Likewise.
8144	(Archive::should_include_member): Likewise.
8145	(Archive::Armap_entry): Remove.
8146	(Archive::Unused_symbol_iterator): Remove.
8147	(Archive::unused_symbols_begin): Remove.
8148	(Archive::unused_symbols_end): Remove.
8149	(Archive::do_filename): New function.
8150	(Archive::do_get_mtime): New function.
8151	(Archive::do_for_all_unused_symbols): New function.
8152	(Archive::task_): Move to base class.
8153	(Archive::incremental_info_): Likewise.
8154	(class Lib_group): Derive from Library_base.
8155	(Lib_group::do_filename): New function.
8156	(Lib_group::do_get_mtime): New function.
8157	(Lib_group::do_for_all_unused_symbols): New function.
8158	(Lib_group::task_): Move to base class.
8159	* dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
8160	function.
8161	* dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
8162	function.
8163	* incremental.cc (Incremental_inputs::report_archive_begin):
8164	Use Library_base; call library's get_mtime; add incremental inputs
8165	entry before members.
8166	(class Unused_symbol_visitor): New class.
8167	(Incremental_inputs::report_archive_end): Use Library_base; use
8168	visitor class to record unused symbols; don't add incremental inputs
8169	entry after members.
8170	(Incremental_inputs::report_object): Use Library_base.
8171	* incremental.h
8172	(Incremental_archive_entry::Incremental_archive_entry): Remove
8173	unused Archive parameter.
8174	(Incremental_inputs::report_archive_begin): Use Library_base.
8175	(Incremental_inputs::report_archive_end): Likewise.
8176	(Incremental_inputs::report_object): Likewise.
8177	* object.cc (Sized_relobj::do_for_all_global_symbols): New
8178	function.
8179	* object.h (Object::for_all_global_symbols): New function.
8180	(Object::do_for_all_global_symbols): New function.
8181	(Sized_relobj::do_for_all_global_symbols): New function.
8182	* plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
8183	function.
8184	* plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
8185	function.
8186
81872011-03-27  Ian Lance Taylor  <iant@google.com>
8188
8189	* archive.cc (Archive::interpret_header): Return -1 if something
8190	goes wrong.  Change callers accordingly.
8191
81922011-03-25  Cary Coutant  <ccoutant@google.com>
8193
8194	* testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
8195	* testsuite/Makefile.in: Regenerate.
8196
81972011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
8198
8199	* plugin.cc (get_view): New.
8200	(Plugin::load): Pass get_view to the plugin.
8201	(Plugin_manager::get_view): New.
8202
82032011-03-21  Ian Lance Taylor  <iant@google.com>
8204
8205	* testsuite/final_layout.sh: Rewrite to not use dc.
8206	* testsuite/relro_test.sh: Fail if dc is not present.
8207
82082011-03-21  Sriraman Tallam  <tmsriram@google.com>
8209
8210	* testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
8211	Change == to -eq.
8212	* testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
8213	* testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
8214	Change == to -eq.
8215	* testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
8216	* testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
8217
82182011-03-14  Ian Lance Taylor  <iant@google.com>
8219
8220	* script-sections.cc (Sort_output_sections::script_compare):
8221	Rename from is_before, change return type.
8222	(Sort_output_sections::operator()): Adjust accordingly.
8223
82242011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
8225
8226	PR gold/12572
8227	* testsuite/odr_violation2.cc: Add comment to make all error line
8228	numbers double digits.
8229	* testsuite/debug_msg.sh: Adjust expected errors.
8230
82312011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
8232
8233	* dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
8234	but mark earlier ones as non-canonical
8235	(offset_to_iterator): Update search target and example
8236	(do_addr2line): Return extra lines in a vector*
8237	(format_file_lineno): Extract from do_addr2line
8238	(one_addr2line): Add vector* out-param
8239	* dwarf_reader.h (Offset_to_lineno_entry): New field recording
8240	when a lineno entry appeared last for its instruction
8241	(Dwarf_line_info): Add vector* out-param
8242	* object.cc (Relocate_info): Pass NULL for the vector* out-param
8243	* symtab.cc (Odr_violation_compare): Include the lineno in the
8244	comparison again.
8245	(linenos_from_loc): New. Combine the canonical line for an
8246	address with its other lines.
8247	(True_if_intersect): New. Helper functor to make
8248	std::set_intersection a query.
8249	(detect_odr_violations): Compare sets of lines instead of just
8250	one line for each function. This became less deterministic, but
8251	has fewer false positives.
8252	* symtab.h: Declarations.
8253	* testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
8254	mix an optimized and non-optimized object in the same binary
8255	(odr_violation2.so): Same.
8256	* testsuite/Makefile.in: Regenerate from Makefile.am.
8257	* testsuite/debug_msg.cc (main): Make OdrDerived classes.
8258	* testsuite/debug_msg.sh: Update line numbers and add
8259	assertions.
8260	* testsuite/odr_violation1.cc: Use OdrDerived, in a
8261	non-optimized context.
8262	* testsuite/odr_violation2.cc: Make sure Ordering::operator()
8263	isn't inlined, and use OdrDerived in an optimized context.
8264	* testsuite/odr_header1.h: Defines OdrDerived, where
8265	optimization will change the
8266	first-instruction-in-the-destructor's file and line number.
8267	* testsuite/odr_header2.h: Defines OdrBase.
8268
82692011-03-09  Ian Lance Taylor  <iant@google.com>
8270
8271	* fileread.cc (File_read::clear_views): Don't delete the whole
8272	file view.
8273
82742011-03-08  Ian Lance Taylor  <iant@google.com>
8275
8276	PR gold/12525
8277	* fileread.cc: #include <climits>.
8278	(GOLD_IOV_MAX): Define.
8279	(File_read::read_multiple): Limit number of entries by iov_max.
8280	* fileread.h (class File_read): Always set max_readv_entries to
8281	128.
8282
82832011-03-07  Ian Lance Taylor  <iant@google.com>
8284
8285	PR gold/12525
8286	* options.h (class General_options): Add -dy and -dn.
8287
82882011-03-02  Cary Coutant  <ccoutant@google.com>
8289
8290	* testsuite/script_test_9.t: Add TLS segment.
8291
82922011-03-02  Simon Baldwin  <simonb@google.com>
8293
8294	* configure.ac: Add check for gnu_indirect_function support in
8295	the toolchain building binutils.
8296	* configure: Rebuild.
8297
82982011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
8299
8300	* symtab.cc (Symbol::should_add_dynsym_entry) Return false for
8301	plugin only symbols.
8302	(Symbol_table::sized_finalize_symbol) Mark symbol only present
8303	in plugin files as not needed in the symbol table.
8304
83052011-02-11  Sriraman Tallam  <tmsriram@google.com>
8306
8307	* output.cc (Output_section::add_input_section): Delay fill
8308	generation for section ordering.
8309
83102011-02-09  Ian Lance Taylor  <iant@google.com>
8311
8312	PR gold/12316
8313	* object.h (class Sized_relobj): Remove clear_local_symbols.
8314	* reloc.cc (Sized_relobj::do_relocate): Don't call
8315	clear_local_symbols.
8316
83172011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
8318
8319	* plugin.cc (is_visible_from_outside): Return true for symbols
8320	in the -u option.
8321
83222011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
8323
8324	* symtab.cc (Odr_violation_compare::operator()): Sort by just the
8325	filename.
8326
83272011-02-02  Sriraman Tallam  <tmsriram@google.com>
8328
8329	* icf.h (is_section_foldable_candidate): Change type of parameter
8330	to std::string.
8331	* icf.cc (Icf::find_identical_sections): Change type of local variable
8332	section_name to be std::string.
8333	(is_function_ctor_or_dtor): Change type of parameter to std::string.
8334
83352011-01-25  Ian Lance Taylor  <iant@google.com>
8336
8337	* script.cc (script_add_extern): Rewrite to use
8338	add_symbol_reference.
8339
83402011-01-25  Doug Kwan  <dougkwan@google.com>
8341
8342	* icf.cc (get_section_contents): Always lock section's object.
8343
83442011-01-24  Ian Lance Taylor  <iant@google.com>
8345
8346	* options.h (class General_options): Accept
8347	--no-detect-odr-violations.
8348
83492011-01-24  Ian Lance Taylor  <iant@google.com>
8350
8351	* version.cc (version_string): Bump to 1.11.
8352
83532011-01-24  Ian Lance Taylor  <iant@google.com>
8354
8355	* plugin.cc (class Plugin_rescan): Define new class.
8356	(Plugin_manager::claim_file): Set any_claimed_.
8357	(Plugin_manager::save_archive): New function.
8358	(Plugin_manager::save_input_group): New function.
8359	(Plugin_manager::all_symbols_read): Create Plugin_rescan task if
8360	necessary.
8361	(Plugin_manager::new_undefined_symbol): New function.
8362	(Plugin_manager::rescan): New function.
8363	(Plugin_manager::rescannable_defines): New function.
8364	(Plugin_manager::add_input_file): Set any_added_.
8365	* plugin.h (class Plugin_manager): define new fields rescannable_,
8366	undefined_symbols_, any_claimed_, and any_added_.  Declare
8367	Plugin_rescan as friend.  Declare new functions.
8368	(Plugin_manager::Rescannable): Define type.
8369	(Plugin_manager::Rescannable_list): Define type.
8370	(Plugin_manager::Undefined_symbol_list): Define type.
8371	(Plugin_manager::Plugin_manager): Initialize new fields.
8372	* archive.cc (Archive::defines_symbol): New function.
8373	(Add_archive_symbols::run): Pass archive to plugins if any.
8374	* archive.h (class Archive): Declare defines_symbol.
8375	* readsyms.cc (Input_group::~Input_group): New function.
8376	(Finish_group::run): Pass input_group to plugins if any.
8377	* readsyms.h (class Input_group): Declare destructor.
8378	* symtab.cc (add_from_object): Pass undefined symbol to plugins if
8379	any.
8380
83812011-01-10  Ian Lance Taylor  <iant@google.com>
8382
8383	* layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
8384	section as relro.
8385	(Layout::set_segment_offsets): Reset increase_relro before calling
8386	set_section_addresses a second time.
8387
83882011-01-04  Cary Coutant  <ccoutant@google.com>
8389
8390	* script-sections.cc (Sort_output_sections::operator()): Sort TLS
8391	sections before NOBITS sections.
8392
83932011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
8394
8395	* version.cc (print_version): Update copyright to 2011.
8396
83972010-12-23  Cary Coutant  <ccoutant@google.com>
8398
8399	* output.h (Output_data_reloc::add_output_section): Pass OD instead
8400	of OS to this->add.  Add OD parameter to second form of the function.
8401
84022010-12-20  Ian Lance Taylor  <iant@google.com>
8403
8404	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
8405	second of two consecutive entries with same offset.
8406
84072010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8408
8409	* testsuite/Makefile.am (ifuncmain2static_LDADD)
8410	(ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
8411	(ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
8412	to avoid unneeded links against $(LDADD).
8413	* testsuite/Makefile.in: Regenerate.
8414
84152010-12-15  Ian Lance Taylor  <iant@google.com>
8416
8417	PR gold/12324
8418	* x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
8419	for R_X86_64_32 and R_X86_64_PC32.
8420	* testsuite/Makefile.am (ver_matching_def.so): Depend on and use
8421	ver_matching_def_pic.o.
8422	(ver_matching_def_pic.o): New target.
8423
84242010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8425
8426	* fileread.cc (file_counts_lock, file_counts_initialize_lock)
8427	(total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
8428	Move definition before File_read::View member definitions.
8429	(File_read::View::~View): Initialize and hold lock before
8430	updating current_mapped_bytes.
8431
84322010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8433
8434	* dwarf_reader.cc: Remove outdated comment.
8435	* gold-threads.cc: Fix typo in error message.
8436	* archive.cc: Fix typos in comments.
8437	* archive.h: Likewise.
8438	* arm-reloc-property.cc: Likewise.
8439	* arm-reloc-property.h: Likewise.
8440	* arm-reloc.def: Likewise.
8441	* arm.cc: Likewise.
8442	* attributes.h: Likewise.
8443	* cref.cc: Likewise.
8444	* ehframe.cc: Likewise.
8445	* fileread.h: Likewise.
8446	* gold.h: Likewise.
8447	* i386.cc: Likewise.
8448	* icf.cc: Likewise.
8449	* incremental.h: Likewise.
8450	* int_encoding.cc: Likewise.
8451	* layout.h: Likewise.
8452	* main.cc: Likewise.
8453	* merge.h: Likewise.
8454	* object.cc: Likewise.
8455	* object.h: Likewise.
8456	* options.cc: Likewise.
8457	* readsyms.cc: Likewise.
8458	* reduced_debug_output.cc: Likewise.
8459	* reloc.cc: Likewise.
8460	* script-sections.cc: Likewise.
8461	* sparc.cc: Likewise.
8462	* symtab.h: Likewise.
8463	* target-reloc.h: Likewise.
8464	* target.cc: Likewise.
8465	* target.h: Likewise.
8466	* timer.cc: Likewise.
8467	* timer.h: Likewise.
8468	* x86_64.cc: Likewise.
8469
84702010-12-09  Cary Coutant  <ccoutant@google.com>
8471
8472	* layout.cc (Layout::layout_gnu_stack): Add warnings for executable
8473	stack.
8474	* layout.h (Layout::layout_gnu_stack): Add pointer to Object
8475	parameter; change all callers.
8476	* object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
8477	* options.h (warn_execstack): New option.
8478
84792010-12-07  Doug Kwan  <dougkwan@google.com>
8480
8481	* arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
8482	like function call relocations.
8483
84842010-12-07  Ian Lance Taylor  <iant@google.com>
8485
8486	* archive.cc (Archive::get_elf_object_for_member): Permit
8487	punconfigured to be NULL.
8488	(Archive::read_symbols): Pass NULL to get_elf_object_for_member.
8489	(Archive::include_member): Pass NULL to get_elf_object_for_member
8490	if we searched for the archive and this is the first included
8491	object.
8492
84932010-12-01  Ian Lance Taylor  <iant@google.com>
8494
8495	* dwarf_reader.h (class Sized_dwarf_line_info): Add
8496	track_relocs_type_ field.
8497	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8498	Set track_relocs_type_.
8499	(Sized_dwarf_line_info::process_one_opcode): Ignore the section
8500	contents when using RELA relocs.
8501	(Sized_dwarf_line_info::read_relocs): Add the reloc addend to
8502	reloc_map_.
8503	* reloc.cc (Track_relocs::next_addend): New function.
8504	* reloc.h (class Track_relocs): Declare next_addend.
8505
85062010-12-01  Ian Lance Taylor  <iant@google.com>
8507
8508	* testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
8509	virtual destructor.
8510
85112010-12-01  Ian Lance Taylor  <iant@google.com>
8512
8513	* README: Update compilers known to work and fail.
8514
85152010-11-23  Matthias Klose  <doko@ubuntu.com>
8516
8517	* configure.in: For --enable-gold, handle value `default' instead of
8518	`both*'.  Always install ld as ld.bfd, install as ld if gold is
8519	not the default.
8520	* configure: Regenerate.
8521
85222010-11-18  Doug Kwan  <dougkwan@google.com>
8523
8524	* expression.cc (BINARY_EXPRESSION): Initialize left_alignment
8525	and right_alignment to be zero.  Store result alignment only if it is
8526	greater than existing alignment.
8527
85282010-11-16  Cary Coutant  <ccoutant@google.com>
8529
8530	PR gold/12220
8531	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8532	Check for ".zdebug_line".
8533
85342010-11-16  Doug Kwan  <dougkwan@google.com>
8535	    Cary Coutant  <ccoutant@google.com>
8536
8537	* output.h (Output_segment::set_section_addresses): Pass increase_relro
8538	by reference; adjust all callers.
8539	* output.cc (Output_segment::set_section_addresses): Adjust references
8540	to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
8541	list is empty.
8542	(Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
8543	end at page boundary.
8544
85452010-11-16  Cary Coutant  <ccoutant@google.com>
8546
8547	PR gold/12220
8548	* layout.cc (Layout::choose_output_section): Transform names of
8549	compressed sections even when using a script with a SECTIONS clause.
8550	(Layout::output_section_name): Remove code to transform
8551	compressed debug section names.
8552	* output.cc (Output_section::add_input_section): Use uncompressed
8553	section size when tracking input sections.
8554
85552010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
8556
8557	* symtab.h (Symbol::NON_PIC_REF): Remove.
8558	(Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
8559	(Symbol::FUNCTION_CALL): Renumber.  Reword comment.
8560	(Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
8561	(Symbol::use_plt_offset): Take a flags argument and pass it
8562	directly to needs_dynamic_reloc.  Restrict check for undefined
8563	weak symbols to function calls.
8564	* arm.cc (Target_arm::Scan::get_reference_flags): New function.
8565	(Target_arm::Scan::global): Use it.
8566	(Target_arm::Scan::scan_reloc_for_stub): Likewise.
8567	(Target_arm::Relocate::relocate): Likewise.
8568	(Target_arm::Relocate::should_apply_static_reloc): Replace flags
8569	parameter with an r_type parameter.  Use get_reference_flags
8570	to get the flags.
8571	(Target_arm::Relocate::relocate): Update accordingly.
8572	* i386.cc (Target_i386::Scan::get_reference_flags): New function.
8573	(Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
8574	(Target_i386::Scan::global): Likewise.
8575	(Target_i386::Relocate::relocate): Likewise.
8576	(Target_i386::Relocate::should_apply_static_reloc): Replace flags
8577	parameter with an r_type parameter.  Use get_reference_flags
8578	to get the flags.
8579	(Target_i386::Relocate::relocate): Update accordingly.
8580	* powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
8581	(Target_powerpc::Scan::global): Use it.
8582	(Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
8583	(Target_powerpc::Relocate::relocate): Likewise.
8584	* sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
8585	(Target_sparc::Scan::global): Use it.
8586	(Target_sparc::Scan::scan_reloc_for_stub): Likewise.
8587	(Target_sparc::Relocate::relocate): Likewise.
8588	* x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
8589	(Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
8590	(Target_x86_64::Scan::global): Likewise.
8591	(Target_x86_64::Relocate::relocate): Likewise.
8592
85932010-11-08  Doug Kwan  <dougkwan@google.com>
8594	    Cary Coutant  <ccoutant@google.com>
8595
8596	* arm.cc (Arm_exidx_merge_section::build_contents): New method.
8597	(Arm_exidx_merge_section::section_contents_): New data member.
8598	(Arm_input_section::Arm_input_section): Initialize original_contents_.
8599	(Arm_input_section::~Arm_input_section): De-allocate memory.
8600	(Arm_input_section::original_contents_): New data member.
8601	(Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
8602	in parameters instead of calling Object::section_contents without
8603	locking.
8604	(Arm_output_section::group_section): New parameter TASK.  Pass it
8605	to callees that need locking objects.
8606	(Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
8607	to lock EXIDX input sections.  Fix a formatting issue.  Call
8608	Arm_exidx_merged_section::build_contents to create merged section
8609	contents.
8610	(Arm_output_section::create_stub_group): New parameter TASK.  Use it
8611	to lock object of stub table owner.
8612	(Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
8613	TEXT_SIZE to initialize data member TEXT_SIZE_.
8614	(Arm_exidx_input_section::addralign): Fix typo in comment.
8615	(Arm_exidx_input_section::text_size): New method.
8616	(Target_arm::do_relax): New parameter TASK.  Pass it to callees
8617	that require locking objects.  Lock objects before scanning for stubs
8618	and updating local symbols.
8619	(Arm_input_section<big_endian>::init): Copy contents of original
8620	input section.
8621	(Arm_input_section<big_endian>::do_write): Use saved contents of
8622	original input section instead of calling Object::section_contents
8623	without locking.
8624	(Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
8625	size without calling Object::section_size().
8626	(Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
8627	for size.  Allocate a buffer for merged EXIDX entries.
8628	(Arm_exidx_merged_section::build_contents): New method.
8629	(Arm_exidx_merged_section::do_write): Move merge section contents
8630	building code to Arm_exidx_merged_section::build_contetns.  Write
8631	out contetns in buffer instead of building it on the fly.
8632	(Arm_relobj::make_exidx_input_section): Also pass text section size
8633	to Arm_exidx_input_section constructor.
8634	(Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
8635	(Arm_dynobj::do_read_symbols): Fix memory leak.
8636	* layout.cc (Layout::finalize): Pass TASK to Target::relax().
8637	* target.h: (class Task): Add forward declaration.
8638	(Target::relax): Add new parameter TASK and pass it to
8639	Target::do_relax().
8640	(Target::do_relax):: New parameter TASK.  Fix a formatting issue.
8641
86422010-11-05  Cary Coutant  <ccoutant@google.com>
8643
8644	PR gold/10708
8645	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
8646	object when reading from the file.
8647	* gold.cc (queue_middle_tasks): Hold a lock on the object when doing
8648	second layout pass.
8649	* icf.cc (preprocess_for_unique_sections): Hold a lock on the object
8650	when reading section contents.
8651	(get_section_contents): Likewise.
8652	(icf::find_identical_sections): Likewise.
8653	* mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
8654	object when reading from the file.
8655	* plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
8656	the object when doing deferred section layout.
8657
86582010-11-03  Nick Clifton  <nickc@redhat.com>
8659
8660	PR gold/12001
8661	* script.h (class Symbol_assignment: name): New member.  Returns
8662	the name of the symbol.
8663	* scrfipt.cc (Script_options::is_pending_assignment): New member.
8664	Returns true if the given symbol name is on the list of
8665	assignments wating to be processed.
8666	* archive.cc (should_incldue_member): If the symbol is undefined,
8667	check to see if it is on the list of symbols pending assignment.
8668
86692010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
8670
8671	* script-sections.cc (Script_sections::find_memory_region): Check
8672	for a NULL output section pointer.
8673
86742010-10-29  Doug Kwan  <dougkwan@google.com>
8675
8676	* arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
8677	Output_section::add_relaxed_input_section.
8678	* output.cc (Output_section::add_relaxed_input_section): Add new
8679	arguments LAYOUT and NAME.  Set section order index.
8680	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
8681	Copy section order index.
8682	* output.h (Output_section::add_relaxed_input_section): Add new
8683	arguments LAYOUT and NAME.
8684
86852010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8686
8687	* testsuite/Makefile.am: Move gcctestdir/ld rule to
8688	NATIVE_OR_CROSS_LINKER.
8689	* testsuite/Makefile.in: Regenerate.
8690
86912010-10-20  Doug Kwan  <dougkwan@google.com>
8692
8693	* arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
8694	without SHF_LINK_ORDER flags.
8695	* layout.cc (Layout::choose_output_section): Do not filter
8696	SHF_LINK_ORDER flag in a relocatable link.
8697
86982010-10-17  Cary Coutant  <ccoutant@google.com>
8699
8700	* output.h (Output_segment::set_section_addresses): Change function
8701	signature.  Update all callers.
8702	* output.cc (Output_segment::is_first_section_relro): Ignore TLS
8703	sections.
8704	(Output_segment::set_section_addresses): Align after last TLS
8705	section.  Add padding before last relro section instead of after.
8706
87072010-10-17  Doug Kwan  <dougkwan@google.com>
8708
8709	* gold/arm.cc (Target_arm::got_section): Use correct order and set
8710	GOT output section to be writable.
8711
87122010-10-14  Cary Coutant  <ccoutant@google.com>
8713
8714	* debug.h (DEBUG_INCREMENTAL): New flag.
8715	(debug_string_to_enum): Add DEBUG_INCREMENTAL).
8716	* gold.cc (queue_initial_tasks): Check parameters for incremental link
8717	mode.
8718	* incremental.cc (report_command_line): Ignore all forms of
8719	--incremental.
8720	* layout.cc (Layout::Layout): Check parameters for incremental link
8721	mode.
8722	* options.cc (General_options::parse_incremental): New function.
8723	(General_options::parse_no_incremental): New function.
8724	(General_options::parse_incremental_full): New function.
8725	(General_options::parse_incremental_update): New function.
8726	(General_options::incremental_mode_): New data member.
8727	(General_options::finalize): Check incremental_mode_.
8728	* options.h (General_options): Update help text for --incremental.
8729	Add --no-incremental, --incremental-full, --incremental-update.
8730	(General_options::Incremental_mode): New enum type.
8731	(General_options::incremental_mode): New function.
8732	(General_options::incremental_mode_): New data member.
8733	* parameters.cc (Parameters::incremental_mode_): New data member.
8734	(Parameters::set_options): Set incremental_mode_.
8735	(Parameters::set_incremental_full): New function.
8736	(Parameters::incremental): New function.
8737	(Parameters::incremental_update): New function.
8738	(set_parameters_incremental_full): New function.
8739	* parameters.h (Parameters::set_incremental_full): New function.
8740	(Parameters::incremental): New function.
8741	(Parameters::incremental_update): New function.
8742	(Parameters::incremental_mode_): New data member.
8743	(set_parameters_incremental_full): New function.
8744	* plugin.cc (Plugin_manager::add_input_file): Check parameters for
8745	incremental link mode.
8746	* reloc.cc (Sized_relobj::do_read_relocs): Likewise.
8747	(Sized_relobj::do_relocate_sections): Likewise.
8748	* testsuite/Makefile.am (incremental_test): Use --incremental-full
8749	option.
8750	* testsuite/Makefile.in: Regenerate.
8751	* testsuite/incremental_test.sh: Filter all forms of --incremental.
8752
87532010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8754
8755	* script-sections.h (class Script_sections): Make
8756	Sections_elements typedef public.
8757	* script-sections.cc (class Sort_output_sections): Add elements_
8758	field.  Add constructor which sets it; change all callers.
8759	(Sort_output_sections::is_before): New function.
8760	(Sort_output_sections::operator()): Call is_before.
8761	* configure.ac (NATIVE_OR_CROSS_LINKER): New automake
8762	conditional.
8763	* testsuite/script_test_10.sh: New test. Test script section
8764	order.
8765	* testsuite/script_test_10.t: Likewise.
8766	* testsuite/script_test_10.s: Likewise.
8767	* testsuite/Makefile.am: Wrap the cross linker tests and the
8768	common tests into NATIVE_OR_CROSS_LINKER.
8769	(check_SCRIPTS): Add script_test_10.sh.
8770	(check_DATA): Add script_test_10.stdout.
8771	(script_test_10.o, script_test_10): New targets.
8772	(script_test_10.stdout): New target.
8773	* configure, testsuite/Makefile.in: Regenerate.
8774
87752010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8776
8777	* arm.cc (Target_arm::Scan::local): Report the unsupported reloc
8778	error for the deprecated relocations.
8779	(Target_arm::Scan::global): Likewise.
8780	(Target_arm::Relocate::relocate): Likewise.
8781
87822010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
8783
8784	* fileread.cc (Input_file::find_file): Initialize *found_name
8785	and *namep when using the fallback search for case 4.
8786
87872010-10-11  Cary Coutant  <ccoutant@google.com>
8788
8789	* options.h (class General_options): Redefine -z lazy as an alias for
8790	the negation of -z now.
8791
87922010-10-11  Ian Lance Taylor  <iant@google.com>
8793
8794	* resolve.cc (symbol_to_bits): Report the value of the unsupported
8795	binding.
8796
87972010-10-06  Nick Clifton  <nickc@redhat.com>
8798
8799	* script-sections.cc(class Memory_region): Remove
8800	current_lma_offset_ field.  Rename current_vma_offset_ to
8801	current_offset_.  Add last_section_ field.
8802	(Memory_region::get_current_vma_address): Rename to
8803	get_current_address.
8804	(Memory_region::get_current_lma_address): Delete.
8805	(Memory_region::increment_vma_offset): Rename to
8806	increment_offset.
8807	(Memory_region::increment_lma_offset): Delete.
8808	(Memory_region::attributes_compatible): New method.  Returns
8809	true if the provided section is compatible with the region.
8810	(Memory_region::get_last_section): New method.  Returns the last
8811	section to use the region.
8812	(Memory_region::set_last_section): New method.  Stores the last
8813	section to use the region.
8814	(Script_sections::block_in_region): New method.  Returns true if
8815	a block of memory is contained within a region.
8816	(Script_sections::find_memory_region): New method.  Locates a
8817	memory region to be used to set a VMA or LMA address.
8818	(Output_section_definition::set_section_addresses): Add code to
8819	check for addresses set by memory regions.
8820	(Output_segment::set_section_addresses): Remove memory region
8821	walking code.
8822	(Script_sections::create_segment): Add a warning if a header
8823	segment is created outside of any region.
8824	* script-sections.h (class Script_sections): Add prototypes for
8825	find_memory_region and block_in_region methods.
8826	* testsuite/memory_test.s: Use .long instead of .word.
8827	* testsuite/memory_test.t: Add some more output sections.
8828	* testsuite/memory_test.sh: Update expected output.
8829
88302010-10-02  Doug Kwan  <dougkwan@google.com>
8831
8832	* symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
8833	defintion to symtab.h
8834	* symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
8835	declaration to defintion.
8836
88372010-10-01  Nick Clifton  <nickc@redhat.com>
8838
8839	* expression.cc (eval): Replace dummy argument with NULL.
8840	(eval_maybe_dot): Check for a NULL result section pointer.
8841	(Symbol_expression::value): Likewise.
8842	(Dot_expression::value): Likewise.
8843	(BINARY_EXPRESSION): Likewise.
8844	(Max_expression::value): Likewise.
8845	(Min_expression::value): Likewise.
8846	(Absolute_expression::value): Likewise.
8847	(Addr_expression::value_from_output_section): Likewise.
8848	(Loaddddr_expression::value_from_output_section): Likewise.
8849	(Segment_start_expression::value): Likewise.
8850	* script-sections.cc
8851	(Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
8852	argument with NULL.
8853	(Sections_elememt_dot_assignment::set_section_addresses):
8854	Likewise.
8855	(Output_data_expression::do_write_to_buffer): Likewise.
8856	(Output_section_definition::finalize_symbols): Likewise.
8857	(Output_section_definition::set_section_addresses): Likewise.
8858
88592010-09-30  Doug Kwan  <dougkwan@google.com>
8860
8861	* gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
8862
88632010-09-28  Sriraman Tallam  <tmsriram@google.com>
8864
8865	* target.h (Target::can_icf_inline_merge_sections): New virtual
8866	function.
8867	* x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
8868	virtual function.
8869	* i386.cc (Target_i386::can_icf_inline_merge_sections): New
8870	virtual function.
8871	* icf.cc (get_section_contents): Inline merge sections only when
8872	target allows it.
8873
88742010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8875
8876	* configure: Regenerate.
8877
88782010-09-17  Ian Lance Taylor  <iant@google.com>
8879
8880	* testsuite/memory_test.sh: Adjust for change of 2010-09-10.
8881	* testsuite/Makefile.am (memory_test.o): New target.
8882	(memory_test): Depend on memory_test.o, gcctestdir/ld, and
8883	memory_test.t.
8884	* testsuite/Makefile.in: Rebuild.
8885
88862010-09-17  Doug Kwan  <dougkwan@google.com>
8887
8888	* arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
8889	defintion if relocation uses GOT entries of the symbol.
8890	* testsuite/icf_safe_test.sh: Fix test.
8891	* testsuite/icf_safe_so_test.sh: Fix test.
8892
88932010-09-16  Cary Coutant  <ccoutant@google.com>
8894
8895	* script_sections.cc (class Memory_region): Remove "NULL" from
8896	vector initializations.
8897
88982010-09-15  Cary Coutant  <ccoutant@google.com>
8899
8900	* incremental.cc (Output_section_incremental_inputs::write_info_blocks):
8901	Resolve forwarding symbols.
8902
89032010-09-15  Doug Kwan  <dougkwan@google.com>
8904
8905	* gold/testsuite/script_test_3.t: Add ARM special sections.
8906	* gold/testsuite/script_test_4.t: Same.
8907	* gold/testsuite/script_test_5.t: Same.
8908	* gold/testsuite/script_test_6.t: Same.
8909	* gold/testsuite/script_test_7.t: Same.
8910	* gold/testsuite/script_test_7.t: Same.
8911	* gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
8912
89132010-09-14  Cary Coutant  <ccoutant@google.com>
8914
8915	* x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
8916	(Target_x86_64::Relocate::relocate_tls): Replace check for
8917	saw_tls_block_reloc_ with test for executable section.
8918
89192010-09-12  Cary Coutant  <ccoutant@google.com>
8920
8921	* symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
8922	position-independent executables to shared libraries need dynamic
8923	relocations.
8924	(Symbol::may_need_copy_reloc): Do not generate COPY relocs in
8925	position-independent executables.
8926	* testsuite/Makefile.am (two_file_mixed_pie_test): New test.
8927	* testsuite/Makefile.in: Regenerate.
8928
89292010-09-10  Nick Clifton  <nickc@redhat.com>
8930
8931	PR gold/11997
8932	* testsuite/memory_test.t: Discard any sections that are not
8933	needed.
8934
89352010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
8936
8937	PR gold/11996
8938	* object.cc (Sized_relobj::do_finalize_local_symbols): Remove
8939	"This::" to work around a bug in gcc 4.2.
8940
8941	* testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
8942
89432010-09-09  Rafael Espindola  <espindola@google.com>
8944
8945	* layout.cc (Layout::attach_allocated_section_to_segment): Don't put
8946	sections with different PF_X flags in the same segment.
8947	(Layout::find_first_load_seg): Search all segments to find the first
8948	one.
8949	* options.h (rosegment): New.
8950
89512010-09-08  Rafael Espindola  <espindola@google.com>
8952
8953	* layout.cc (Layout::set_segment_offsets): Always advance to a new page.
8954
89552010-09-08  Doug Kwan  <dougkwan@google.com>
8956
8957	* arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
8958	(Arm_relobj::do_relocate_sections): Add new parameter for output
8959	file to match the parent.
8960	(Target_arm::scan_reloc_section_for_stubs): Use would-be final values
8961	of local symbols instead of input values.  Update code to track
8962	changes in gold::relocate_section.
8963	* object.cc (Sized_relobj::compute_final_local_value): New methods.
8964	(Sized_relobj::compute_final_local_value_internal): New methods.
8965	(Sized_relobj::do_finalize_local_symbols): Move code from loop
8966	body into private version of Sized_relobj::compute_final_local_value.
8967	Call the inline method.
8968	* object.h (Symbol_value::Symbol_value): Define destructor.  Free
8969	merged symbol value if there is one.
8970	(Symbol_value::has_output_value): New method defintiion.
8971	(Sized_relobj::Compute_final_local_value_status): New enum type.
8972	(Sized_relobj::compute_final_local_value): New methods.
8973	(Sized_relobj::compute_final_local_value_internal): New methods.
8974	* Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
8975	and arm_cortex_a8.sh.
8976	(thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
8977	arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
8978	New tests.
8979	* Makefile.in: Regenerate.
8980	* testsuite/arm_bl_out_of_range.s: Update test.
8981	* testsuite/thumb_bl_out_of_range.s: Ditto.
8982	* testsuite/thumb_blx_out_of_range.s: Ditto.
8983	* testsuite/arm_branch_out_of_range.sh: New file.
8984	* testsuite/arm_cortex_a8.sh: Ditto.
8985	* testsuite/arm_cortex_a8_b.s: Ditto.
8986	* testsuite/arm_cortex_a8_b_cond.s: Ditto.
8987	* testsuite/arm_cortex_a8_b_local.s: Ditto.
8988	* testsuite/arm_cortex_a8_bl.s: Ditto.
8989	* testsuite/arm_cortex_a8_blx.s: Ditto.
8990	* testsuite/arm_cortex_a8_local.s: Ditto.
8991	* testsuite/arm_cortex_a8_local_reloc.s: Ditto.
8992	* testsuite/thumb_bl_out_of_range_local.s: Ditto.
8993
89942010-09-08  Rafael Espindola  <espindola@google.com>
8995
8996	* Makefile.am (memory_test.stdout): Run readelf with -W.
8997	* Makefile.in: Regenerate.
8998	* testsuite/memory_test.sh: Make the regexps accept both 32 and
8999	64 bit output.
9000
90012010-09-08  Rafael Espindola  <espindola@google.com>
9002
9003	* script-sections.cc (Script_sections::add_memory_region): Convert
9004	field precision to int.
9005	* script.cc (script_set_section_region, script_set_section_region):
9006	Convert field precision to int.
9007
90082010-09-08  Rafael Espindola  <espindola@google.com>
9009
9010	* arm.cc (do_finalize_sections): Create the __exidx_start and
9011	__exdix_end symbols even when the section is missing.
9012
90132010-09-08  Nick Clifton  <nickc@redhat.com>
9014
9015	* README: Remove claim that MEMORY is not supported.
9016	* expression.cc (script_exp_function_origin)
9017	(script_exp_function_length): Move from here to ...
9018	* script.cc: ... here.
9019	(script_set_section_region, script_add_memory)
9020	(script_parse_memory_attr, script_include_directive): New
9021	functions.
9022	* script-sections.cc
9023	(class Memory_region): New class.
9024	(class Output_section_definition): Add set_memory_region,
9025	set_section_vma, set_section_lma and get_section_name methods.
9026	(class Script_Sections): Add add_memory_region,
9027	find_memory_region, find_memory_region_origin,
9028	find_memory_region_length and set_memory_region methods.
9029	Have set_section_addresses method walk the list of set memory
9030	regions.
9031	Extend the print methos to display memory regions.
9032	* script-sections.h: Add prototypes for new methods.
9033	Add enum for MEMORY region attributes.
9034	* yyscript.y: Add support for parsing MEMORY regions.
9035	* script-c.h: Add prototypes for new functions.
9036	* testsuite/Makefile.am: Add test of MEMORY region functionality.
9037	* testsuite/Makefile.in: Regenerate.
9038	* testsuite/memory_test.sh: New script.
9039	* testsuite/memory_test.s: New assembler source file.
9040	* testsuite/memory_test.t: New linker script.
9041
90422010-08-27  Doug Kwan  <dougkwan@google.com>
9043
9044	* gold/resolve.cc (Symbol_table::should_override): Let a weak
9045	reference override an existing dynamic weak reference.
9046	* testsuite/Makefile.am: Add new test dyn_weak_ref.
9047	* testsuite/Makefile.in: Regenerate.
9048	* testsuite/dyn_weak_ref.sh: New file.
9049	* testsuite/dyn_weak_ref_1.c: Ditto.
9050	* testsuite/dyn_weak_ref_2.c: Ditto.
9051
90522010-08-27  Ian Lance Taylor  <iant@google.com>
9053
9054	* incremental.h (class Incremental_input_entry): Add virtual
9055	destructor.
9056
90572010-08-27  Ian Lance Taylor  <iant@google.com>
9058
9059	* testsuite/start_lib_test_3.c: Mark t3 as used.
9060
90612010-08-27  Nick Clifton  <nickc@redhat.com>
9062
9063	* options.cc (version_script): Fix small typo in previous
9064	whitespace tidyup.
9065
90662010-08-25  Nick Clifton  <nickc@redhat.com>
9067
9068	* archive.cc: Formatting fixes: Remove whitespace between
9069	typename and following asterisk.  Remove whitespace between
9070	function name and opening parenthesis.
9071	* archive.h: Likewise.
9072	* arm.cc: Likewise.
9073	* attributes.cc: Likewise.
9074	* attributes.h: Likewise.
9075	* common.cc: Likewise.
9076	* copy-relocs.cc: Likewise.
9077	* dirsearch.h: Likewise.
9078	* dynobj.cc: Likewise.
9079	* ehframe.cc: Likewise.
9080	* ehframe.h: Likewise.
9081	* expression.cc: Likewise.
9082	* fileread.cc: Likewise.
9083	* fileread.h: Likewise.
9084	* gc.h: Likewise.
9085	* gold-threads.cc: Likewise.
9086	* gold.cc: Likewise.
9087	* i386.cc: Likewise.
9088	* icf.h: Likewise.
9089	* incremental-dump.cc: Likewise.
9090	* incremental.cc: Likewise.
9091	* layout.cc: Likewise.
9092	* layout.h: Likewise.
9093	* main.cc: Likewise.
9094	* merge.cc: Likewise.
9095	* merge.h: Likewise.
9096	* object.cc: Likewise.
9097	* object.h: Likewise.
9098	* options.cc: Likewise.
9099	* options.h: Likewise.
9100	* output.cc: Likewise.
9101	* output.h: Likewise.
9102	* plugin.cc: Likewise.
9103	* plugin.h: Likewise.
9104	* powerpc.cc: Likewise.
9105	* reloc.cc: Likewise.
9106	* script-c.h: Likewise.
9107	* script-sections.cc: Likewise.
9108	* script.cc: Likewise.
9109	* stringpool.cc: Likewise.
9110	* symtab.cc: Likewise.
9111	* symtab.h: Likewise.
9112	* target.cc: Likewise.
9113	* timer.cc: Likewise.
9114	* timer.h: Likewise.
9115	* version.cc: Likewise.
9116	* x86_64.cc: Likewise.
9117
91182010-08-24  Nick Clifton  <nickc@redhat.com>
9119
9120	PR 11899
9121	* layout.cc (segment_precedes): Sort segments by their physical
9122	addresses, if they have been set.
9123
91242010-08-23  Cary Coutant  <ccoutant@google.com>
9125
9126	* archive.cc (Lib_group::add_symbols): Lock object before deleting its
9127	symbols data.
9128	(Lib_group::include_member): Unlock object after deleting its
9129	symbols data.
9130	* testsuite/start_lib_test_3.c: Remove all global symbols to trigger
9131	the bug fixed here.
9132
91332010-08-19  Neil Vachharajani  <nvachhar@google.com>
9134	    Cary Coutant  <ccoutant@google.com>
9135
9136	* gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
9137	constructor, and set_blocker.
9138	* gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
9139	readsyms_blocker_.
9140	* gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
9141	this->this_blocker_ to Add_lib_group_symbols::set_blocker.
9142	* testsuite/Makefile.am (start_lib_test): New test case.
9143	* testsuite/Makefile.in: Regenerate.
9144	* testsuite/start_lib_test_main.c: New file.
9145	* testsuite/start_lib_test_1.c: New file.
9146	* testsuite/start_lib_test_2.c: New file.
9147	* testsuite/start_lib_test_3.c: New file.
9148
91492010-08-19  Ian Lance Taylor  <iant@google.com>
9150
9151	* Makefile.in: Rebuild with automake 1.11.1.
9152	* aclocal.m4: Likewise.
9153	* testsuite/Makefile.in: Likewise.
9154
91552010-08-19  Ian Lance Taylor  <iant@google.com>
9156
9157	PR 10893
9158	* i386.cc (class Output_data_plt_i386): Update declarations.
9159	Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
9160	local_ifuncs_ fields.
9161	(Target_i386::do_plt_section_for_global): New function.
9162	(Target_i386::do_plt_section_for_local): New function.
9163	(Output_data_plt_i386::Output_data_plt_i386): Add symtab
9164	parameter; change all callers.  Initialize global_ifuncs_ and
9165	local_ifuncs_.  If doing a static link define __rel_iplt_start and
9166	__rel_iplt_end.
9167	(Output_data_plt_i386::add_entry): Handle IFUNC symbols.
9168	(Output_data_plt_i386::add_local_ifunc_entry): New function.
9169	(Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
9170	symbols.
9171	(Target_i386::make_plt_section): New function, broken out of
9172	make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
9173	(Target_i386::make_plt_entry): Call make_plt_section.
9174	(Target_i386::make_local_ifunc_plt_entry): New function.
9175	(Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
9176	(Target_i386::Scan::local): Handle IFUNC symbols.  Add
9177	R_386_IRELATIVE to switch.
9178	(Target_i386::Scan::global): Likewise.
9179	(Target_i386::Relocate::relocate): Likewise.
9180	(Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
9181	switch.
9182	* x86_64.cc (class Output_data_plt_x86_64): Update declarations.
9183	(Target_x86_64::do_plt_section_for_global): New function.
9184	(Target_x86_64::do_plt_section_for_local): New function.
9185	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
9186	parameter; change all callers.  If doing a static link define
9187	__rela_iplt_start and __rela_iplt_end.
9188	(Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
9189	(Output_data_plt_x86_64::add_local_ifunc_entry): New function.
9190	(Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
9191	to point to .plt.
9192	(Target_x86_64::make_local_ifunc_plt_entry): New function.
9193	(Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
9194	switch.
9195	(Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
9196	(Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
9197	R_X86_64_IRELATIVE to switch.
9198	(Target_x86_64::Scan::global): Likewise.
9199	(Target_x86_64::Relocate::relocate): Likewise.
9200	(Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
9201	switch.
9202	* target.h (class Target): Add plt_section_for_global and
9203	plt_section_for_local functions.  Add do_plt_section_for_global
9204	and do_plt_section_for_local virtual functions.
9205	* symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
9206	clarifying comments.
9207	(Symbol::use_plt_offset): Handle IFUNC symbol.
9208	* object.cc (Sized_relobj::Sized_relobj): Initialize
9209	local_plt_offsets_.
9210	(Sized_relobj::local_has_plt_offset): New function.
9211	(Sized_relobj::local_plt_offset): New function.
9212	(Sized_relobj::set_local_plt_offset): New function.
9213	(Sized_relobj::do_count): Handle IFUNC symbol.
9214	* object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
9215	a bit away from input_shndx_ field.  Add set_is_func_symbol and
9216	is_ifunc_symbol functions.
9217	(class Sized_relobj): Update declarations.  Remove Tls_got_entry
9218	and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
9219	local_plt_offsets_ field.
9220	(Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
9221	* output.h (class Output_section_data): Add non-const
9222	output_section function.
9223	(class Output_data_got): Update declarations.
9224	(class Output_data_got::Got_entry): Add use_plt_offset_ field.
9225	Add use_plt_offset parameter to global and local constructors.
9226	Change all callers.  Change local_sym_index_ field to 31 bits.
9227	Change GSYM_CODE and CONSTANT_CODE accordingly.
9228	* output.cc (Output_data_reloc_base::do_adjust_output_section): If
9229	doing a static link don't set sh_link field.
9230	(Output_data_got::Got_entry::write): Use PLT offset if
9231	appropriate.
9232	(Output_data_got::add_global_plt): New function.
9233	(Output_data_got::add_local_plt): New function.
9234	* target-reloc.h (relocate_section): Handle IFUNC symbol.
9235	* defstd.cc (in_section): Remove entries for __rel_iplt_start,
9236	__rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
9237	* configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
9238	* testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
9239	IFUNC conditional.
9240	* testsuite/ifunc-sel.h: New file.
9241	* testsuite/ifuncmain1.c: New file.
9242	* testsuite/ifuncmain1vis.c: New file.
9243	* testsuite/ifuncmod1.c: New file.
9244	* testsuite/ifuncdep2.c: New file.
9245	* testsuite/ifuncmain2.c: New file.
9246	* testsuite/ifuncmain3.c: New file.
9247	* testsuite/ifuncmod3.c: New file.
9248	* testsuite/ifuncmain4.c: New file.
9249	* testsuite/ifuncmain5.c: New file.
9250	* testsuite/ifuncmod5.c: New file.
9251	* testsuite/ifuncmain6pie.c: New file.
9252	* testsuite/ifuncmod6.c: New file.
9253	* testsuite/ifuncmain7.c: New file.
9254	* configure, testsuite/Makefile.in: Rebuild.
9255
92562010-08-18  Ian Lance Taylor  <iant@google.com>
9257
9258	* incremental.cc
9259	(Output_section_incremental_inputs::write_input_files): Add cast
9260	to avoid signed/unsigned comparison warning.
9261	(Output_section_incremental_inputs::write_info_blocks): Likewise.
9262
92632010-08-12  Cary Coutant  <ccoutant@google.com>
9264
9265	* common.cc (Sort_commons::operator()): Remove unnecessary code.
9266
92672010-08-13  Ian Lance Taylor  <iant@google.com>
9268
9269	* testsuite/incremental_test_1.c: Add prototype to avoid warning.
9270
92712010-08-12  Cary Coutant  <ccoutant@google.com>
9272	    Doug Kwan  <dougkwan@google.com>
9273
9274	* resolve.cc (Symbol_table::should_override): When a weak dynamic
9275	defintion overrides non-weak undef, remember that the original undef
9276	is not weak.
9277	* symtab.cc (Symbol_table::sized_write_global): For undef without
9278	an original weak binding, set binding to global in output.
9279	* testsuite/Makefile.am: Add new test strong_ref_weak_def.
9280	* testsuite/Makefile.in: Regenerate.
9281	* testsuite/strong_ref_weak_def.sh: New file.
9282	* testsuite/strong_ref_weak_def_1.c: Ditto.
9283	* testsuite/strong_ref_weak_def_2.c: Ditto.
9284
92852010-08-12  Cary Coutant  <ccoutant@google.com>
9286
9287	* testsuite/incremental_test.sh: Rewrite.
9288	* testsuite/incremental_test_1.c: Rewrite.
9289	* testsuite/incremental_test_2.c: Rewrite.
9290
92912010-08-12  Cary Coutant  <ccoutant@google.com>
9292
9293	* arm.cc (Target_arm::got_size): Add const.
9294	(Target_arm::got_entry_count): New function.
9295	(Target_arm::plt_entry_count): New function.
9296	(Target_arm::first_plt_entry_offset): New function.
9297	(Target_arm::plt_entry_size): New function.
9298	(Output_data_plt_arm::entry_count): New function.
9299	(Output_data_plt_arm::first_plt_entry_offset): New function.
9300	(Output_data_plt_arm::get_plt_entry_size): New function.
9301	* i386.cc (Target_i386::got_size): Add const.
9302	(Target_i386::got_entry_count): New function.
9303	(Target_i386::plt_entry_count): New function.
9304	(Target_i386::first_plt_entry_offset): New function.
9305	(Target_i386::plt_entry_size): New function.
9306	(Output_data_plt_i386::entry_count): New function.
9307	(Output_data_plt_i386::first_plt_entry_offset): New function.
9308	(Output_data_plt_i386::get_plt_entry_size): New function.
9309	* incremental-dump.cc (dump_incremental_inputs): Adjust call to
9310	find_incremental_inputs_sections.  Dump incremental_got_plt section.
9311	* incremental.cc: Include target.h.
9312	(Sized_incremental_binary::do_find_incremental_inputs_sections): Add
9313	parameter.  Adjust all callers.  Find incremental_got_plt section.
9314	(Incremental_inputs::create_data_sections): Create incremental_got_plt
9315	section.
9316	(Output_section_incremental_inputs::set_final_data_size): Calculate
9317	size of incremental_got_plt section.
9318	(Output_section_incremental_inputs::do_write): Write the
9319	incremental_got_plt section.
9320	(Got_plt_view_info): New struct.
9321	(Local_got_offset_visitor): New class.
9322	(Global_got_offset_visitor): New class.
9323	(Global_symbol_visitor_got_plt): New class.
9324	(Output_section_incremental_inputs::write_got_plt): New function.
9325	* incremental.h (Incremental_binary::find_incremental_inputs_sections):
9326	Add parameter.  Adjust all callers.
9327	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
9328	(Incremental_inputs::got_plt_section): New function.
9329	(Incremental_inputs::got_plt_section_): New data member.
9330	(Incremental_got_plt_reader): New class.
9331	* layout.cc (Layout::create_incremental_info_sections): Add the
9332	incremental_got_plt section.
9333	* object.h (Got_offset_list::get_list): New function.
9334	(Got offset_list::for_all_got_offsets): New function.
9335	(Sized_relobj::local_got_offset_list): New function.
9336	* powerpc.cc (Target_powerpc::got_size): Add const.
9337	(Target_powerpc::got_entry_count): New function.
9338	(Target_powerpc::plt_entry_count): New function.
9339	(Target_powerpc::first_plt_entry_offset): New function.
9340	(Target_powerpc::plt_entry_size): New function.
9341	(Output_data_plt_powerpc::entry_count): New function.
9342	(Output_data_plt_powerpc::first_plt_entry_offset): New function.
9343	(Output_data_plt_powerpc::get_plt_entry_size): New function.
9344	* sparc.cc (Target_sparc::got_size): Add const.
9345	(Target_sparc::got_entry_count): New function.
9346	(Target_sparc::plt_entry_count): New function.
9347	(Target_sparc::first_plt_entry_offset): New function.
9348	(Target_sparc::plt_entry_size): New function.
9349	(Output_data_plt_sparc::entry_count): New function.
9350	(Output_data_plt_sparc::first_plt_entry_offset): New function.
9351	(Output_data_plt_sparc::get_plt_entry_size): New function.
9352	* symtab.h (Symbol::got_offset_list): New function.
9353	(Symbol_table::for_all_symbols): New function.
9354	* target.h (Sized_target::got_entry_count): New function.
9355	(Sized_target::plt_entry_count): New function.
9356	(Sized_target::plt_entry_size): New function.
9357	* x86_64.cc (Target_x86_64::got_size): Add const.
9358	(Target_x86_64::got_entry_count): New function.
9359	(Target_x86_64::plt_entry_count): New function.
9360	(Target_x86_64::first_plt_entry_offset): New function.
9361	(Target_x86_64::plt_entry_size): New function.
9362	(Output_data_plt_x86_64::entry_count): New function.
9363	(Output_data_plt_x86_64::first_plt_entry_offset): New function.
9364	(Output_data_plt_x86_64::get_plt_entry_size): New function.
9365
93662010-08-12  Cary Coutant  <ccoutant@google.com>
9367
9368	* archive.cc: Include incremental.h.
9369	(Archive::Archive): Initialize incremental_info_.
9370	(Archive::include_member): Record archive members in incremental info.
9371	(Add_archive_symbols::run): Record begin and end of an archive in
9372	incremental info.
9373	(Lib_group::include_member): Record objects in incremental info.
9374	* archive.h (Incremental_archive_entry): Forward declaration.
9375	(Archive::set_incremental_info): New member function.
9376	(Archive::incremental_info): New member function.
9377	(Archive::Unused_symbol_iterator): New class.
9378	(Archive::unused_symbols_begin): New member function.
9379	(Archive::unused_symbols_end): New member function.
9380	(Archive::incremental_info_): New data member.
9381	* incremental-dump.cc (find_input_containing_global): New function.
9382	(dump_incremental_inputs): Dump new incremental info sections.
9383	* incremental.cc: Include symtab.h.
9384	(Output_section_incremental_inputs): New class.
9385	(Sized_incremental_binary::do_find_incremental_inputs_sections): Support
9386	new incremental info sections.
9387	(Sized_incremental_binary::do_check_inputs): Likewise.
9388	(Incremental_inputs::report_archive): Remove.
9389	(Incremental_inputs::report_archive_begin): New function.
9390	(Incremental_inputs::report_archive_end): New function.
9391	(Incremental_inputs::report_object): New function.
9392	(Incremental_inputs::finalize_inputs): Remove.
9393	(Incremental_inputs::report_input_section): New function.
9394	(Incremental_inputs::report_script): Rewrite.
9395	(Incremental_inputs::finalize): Do nothing but finalize string table.
9396	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
9397	(Incremental_inputs::sized_create_inputs_section_data): Remove.
9398	(Incremental_inputs::create_data_sections): New function.
9399	(Incremental_inputs::relocs_entsize): New function.
9400	(Output_section_incremental_inputs::set_final_data_size): New function.
9401	(Output_section_incremental_inputs::do_write): New function.
9402	(Output_section_incremental_inputs::write_header): New function.
9403	(Output_section_incremental_inputs::write_input_files): New function.
9404	(Output_section_incremental_inputs::write_info_blocks): New function.
9405	(Output_section_incremental_inputs::write_symtab): New function.
9406	* incremental.h (Incremental_script_entry): Forward declaration.
9407	(Incremental_object_entry): Forward declaration.
9408	(Incremental_archive_entry): Forward declaration.
9409	(Incremental_inputs): Forward declaration.
9410	(Incremental_inputs_header_data): Remove.
9411	(Incremental_inputs_header): Remove.
9412	(Incremental_inputs_header_write): Remove.
9413	(Incremental_inputs_entry_data): Remove.
9414	(Incremental_inputs_entry): Remove.
9415	(Incremental_inputs_entry_write): Remove.
9416	(enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
9417	(Incremental_binary::find_incremental_inputs_sections): Add parameters.
9418	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
9419	(Sized_ncremental_binary::do_find_incremental_inputs_sections):
9420	Likewise.
9421	(Incremental_input_entry): New class.
9422	(Incremental_script_entry): New class.
9423	(Incremental_object_entry): New class.
9424	(Incremental_archive_entry): New class.
9425	(Incremental_inputs::Incremental_inputs): Initialize new data members.
9426	(Incremental_inputs::report_inputs): Remove.
9427	(Incremental_inputs::report_archive): Remove.
9428	(Incremental_inputs::report_archive_begin): New function.
9429	(Incremental_inputs::report_archive_end): New function.
9430	(Incremental_inputs::report_object): Change prototype.
9431	(Incremental_inputs::report_input_section): New function.
9432	(Incremental_inputs::report_script): Change prototype.
9433	(Incremental_inputs::get_reloc_count): New function.
9434	(Incremental_inputs::set_reloc_count): New function.
9435	(Incremental_inputs::create_data_sections): New function.
9436	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
9437	(Incremental_inputs::inputs_section): New function.
9438	(Incremental_inputs::symtab_section): New function.
9439	(Incremental_inputs::relocs_section): New function.
9440	(Incremental_inputs::get_stringpool): Add const.
9441	(Incremental_inputs::command_line): Add const.
9442	(Incremental_inputs::inputs): Remove.
9443	(Incremental_inputs::command_line_key): New function.
9444	(Incremental_inputs::input_file_count): New function.
9445	(Incremental_inputs::input_files): New function.
9446	(Incremental_inputs::relocs_entsize): New function.
9447	(Incremental_inputs::sized_create_inputs_section_data): Remove.
9448	(Incremental_inputs::finalize_inputs): Remove.
9449	(Incremental_inputs::Input_info): Remove.
9450	(Incremental_inputs::lock_): Remove.
9451	(Incremental_inputs::inputs_): Change type.
9452	(Incremental_inputs::inputs_map_): Remove.
9453	(Incremental_inputs::current_object_entry_): New data member.
9454	(Incremental_inputs::inputs_section_): New data member.
9455	(Incremental_inputs::symtab_section_): New data member.
9456	(Incremental_inputs::relocs_section_): New data member.
9457	(Incremental_inputs::reloc_count_): New data member.
9458	(Incremental_inputs_reader): New class.
9459	(Incremental_symtab_reader): New class.
9460	(Incremental_relocs_reader): New class.
9461	* layout.cc (Layout::finalize): Move finalization of incremental info
9462	and creation of incremental info sections to follow finalization of
9463	symbol table.  Set offsets for postprocessing sections.
9464	(Layout::create_incremental_info_sections): Call
9465	Incremental_inputs::create_data_sections.  Add incremental symtab
9466	and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
9467	sections to layout after input sections.
9468	* layout.h (struct Timespec): Forward declaration.
9469	(Layout::incremental_inputs): Add const.
9470	(Layout::create_incremental_info_sections): Add parameter.
9471	* main.cc (main): Remove call to Incremental_inputs::report_inputs.
9472	* object.cc: Include incremental.h.
9473	(Relobj::finalize_incremental_relocs): New function.
9474	(Sized_relobj::do_layout): Record input sections in incremental info.
9475	* object.h (Object::output_section): New function.
9476	(Object::output_section_offset): Moved from Relobj.
9477	(Object::get_incremental_reloc_base): New function.
9478	(Object::get_incremental_reloc_count): New function.
9479	(Object::do_output_section): New function.
9480	(Object::do_output_section_offset): Moved from Relobj.
9481	(Object::do_get_incremental_reloc_base): New function.
9482	(Object::do_get_incremental_reloc_count): New function.
9483	(Object::Object): Initialize new data members.
9484	(Relobj::output_section): Renamed do_output_section and moved to
9485	protected.
9486	(Relobj::output_section_offset): Moved to Object.
9487	(Relobj::do_get_incremental_reloc_base): New function.
9488	(Relobj::do_get_incremental_reloc_count): New function.
9489	(Relobj::allocate_incremental_reloc_counts): New function.
9490	(Relobj::count_incremental_reloc): New function.
9491	(Relobj::finalize_incremental_relocs): New function.
9492	(Relobj::next_incremental_reloc_index): New function.
9493	(Relobj::reloc_counts_): New data member.
9494	(Relobj::reloc_bases_): New data member.
9495	(Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
9496	(Sized_relobj::relocate_sections): Add parameter.  Change all callers.
9497	(Sized_relobj::incremental_relocs_scan): New function.
9498	(Sized_relobj::incremental_relocs_scan_reltype): New function.
9499	(Sized_relobj::incremental_relocs_write): New function.
9500	(Sized_relobj::incremental_relocs_write_reltype): New function.
9501	* plugin.cc (Plugin_manager::add_input_file): Rewrite test for
9502	incremental link.
9503	* readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
9504	archives and object files elsewhere.
9505	(Add_symbols::run): Report object files here.
9506	(Finish_group::run): Report end of archive at end of group.
9507	* reloc.cc: Include layout.h, incremental.h.
9508	(Sized_relobj::do_read_relocs): Need relocations for incremental link.
9509	(Sized_relobj::do_scan_relocs): Record relocations for incremental link.
9510	(Sized_relobj::incremental_relocs_scan): New function.
9511	(Sized_relobj::incremental_relocs_scan_reltype): New function.
9512	(Sized_relobj::do_relocate_sections): Write incremental relocations.
9513	(Sized_relobj::incremental_relocs_write): New function.
9514	(Sized_relobj::incremental_relocs_write_reltype): New function.
9515	* script.cc (read_input_script): Rewrite test for incremental link.
9516	Change call to Incremental_inputs::report_script.
9517	* symtab.h (Symbol_table::first_global_index): New function.
9518	(Symbol_table::output_count): New function.
9519
95202010-08-12  Doug Kwan  <dougkwan@google.com>
9521
9522	* arm.cc (Target_arm::merge_object_attributes): Check command line
9523	options --no-wchar-size-warning and --no-enum-size-warning.
9524	* options.h (General_options): Add ld-compatible options
9525	--no-enum-size-warning and --no-wchar-size-warning.
9526
95272010-08-04  Ian Lance Taylor  <iant@google.com>
9528
9529	* x86_64.cc (Target_x86_64::Scan::local): Use
9530	R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
9531	R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
9532	(Target_x86_64::Scan::global): Likewise.
9533	(Target_x86_64::Relocate::relocate): Likewise.
9534	(Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
9535	Likewise.
9536
95372010-08-03  Cary Coutant  <ccoutant@google.com>
9538
9539	* merge.cc (Output_merge_string::do_add_input_section): Count strings
9540	to reserve space in merged_strings vector. Keep total input size
9541	for stats.
9542	(Output_merge_string::do_print_merge_stats): Print total input size.
9543	* merge.h (Output_merge_string): Add input_size_ field.
9544	* stringpool.cc (Stringpool_template::string_length): Move
9545	implementations out of Stringpool_template class and place in
9546	stringpool.h.
9547	* stringpool.h (string_length): Move out of Stringpool_template.
9548
95492010-08-03  Ian Lance Taylor  <iant@google.com>
9550
9551	PR 11712
9552	* layout.cc (relaxation_loop_body): If address of load segment is
9553	set, adjust address to include headers if possible.
9554
95552010-08-03  Ian Lance Taylor  <iant@google.com>
9556
9557	* version.cc (version_string): Bump to 1.10.
9558
95592010-08-03  Ian Lance Taylor  <iant@google.com>
9560
9561	PR 11805
9562	* layout.h (enum Output_section_order): Define.
9563	(class Layout): Update declarations.
9564	* layout.cc (Layout::get_output_section): Add order parameter.
9565	Remove is_interp, is_dynamic_linker_section, is_last_relro, and
9566	is_first_non_relro parameters.  Change all callers.
9567	(Layout::choose_output_section): Likewise.
9568	(Layout::add_output_section_data): Likewise.
9569	(Layout::make_output_section): Likewise.  Set order.
9570	(Layout::default_section_order): New function.
9571	(Layout::layout_eh_frame): Call add_output_section_to_nonload.
9572	* output.cc (Output_section::Output_section): Initialize order_.
9573	Don't initialize deleted fields.
9574	(Output_segment::Output_segment): Don't initialize deleted
9575	fields.
9576	(Output_segment::add_output_section_to_load): New function
9577	replacing add_output_section.  Change all callers to call this or
9578	add_output_section_to_nonload.
9579	(Output_segment::add_output_section_to_nonload): New function.
9580	(Output_segment::remove_output_section): Rewrite.
9581	(Output_segment::add_initial_output_data): Likewise.
9582	(Output_segment::has_any_data_sections): Likewise.
9583	(Output_segment::is_first_section_relro): Likewise.
9584	(Output_segment::maximum_alignment): Likewise.
9585	(Output_segment::has_dynamic_reloc): New function replacing
9586	dynamic_reloc_count.  Change all callers.
9587	(Output_segment::has_dynamic_reloc_list): New function replacing
9588	dynamic_reloc_count_list.  Change all callers.
9589	(Output_segment::set_section_addresses): Rewrite.
9590	(Output_segment::set_offset): Rewrite.
9591	(Output_segment::find_first_and_last_list): Remove.
9592	(Output_segment::set_tls_offsets): Rewrite.
9593	(Output_segment::first_section_load_address): Likewise.
9594	(Output_segment::output_section_count): Likewise.
9595	(Output_segment::section_with_lowest_load_address): Likewise.
9596	(Output_segment::write_section_headers): Likewise.
9597	(Output_segment::print_sections_to_map): Likewise.
9598	* output.h (class Output_data): Remove dynamic_reloc_count_
9599	field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
9600	(Output_data::add_dynamic_reloc): Rewrite.
9601	(Output_data::has_dynamic_reloc): New function.
9602	(Output_data::dynamic_reloc_count): Remove.
9603	(class Output_section): Add order_ field.  Remvoe is_relro_local_,
9604	is_last_relro_, is_first_non_relro_, is_interp_,
9605	is_dynamic_linker_section_ fields.  Add order and set_order
9606	functions.  Remove is_relro_local, set_is_relro_local,
9607	is_last_relro, set_is_last_relro, is_first_non_relro,
9608	set_is_first_non_relro functions, is_interp, set_is_interp,
9609	is_dynamic_linker_section, and set_is_dynamic_linker_section
9610	functions.
9611	(class Output_segment): Change Output_data_list from std::list to
9612	std:;vector.  Add output_lists_ field.  Remove output_data_ and
9613	output_bss_ fields.  Update declarations.
9614
96152010-08-02  Ian Lance Taylor  <iant@google.com>
9616
9617	* arm.cc (Target_arm::gc_process_relocs): Use typename.
9618	* powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
9619	* sparc.cc (Target_sparc::gc_process_relocs): Likewise.
9620
96212010-08-02  Ian Lance Taylor  <iant@google.com>
9622
9623	PR 11855
9624	* script.cc (Script_options::Script_options): Initialize
9625	symbol_definitions_ and symbol_references_.
9626	(Script_options::add_symbol_assignment): Update
9627	symbol_definitions_ and symbol_references_.
9628	(Script_options::add_symbol_reference): New function.
9629	(script_symbol): New function.
9630	* script.h (class Script_options): Add symbol_definitions_ and
9631	symbol_references_ fields.
9632	(Script_options::referenced_const_iterator): New type.
9633	(Script_options::referenced_begin): New function.
9634	(Script_options::referenced_end): New function.
9635	(Script_options::is_referenced): New function.
9636	(Script_options::any_unreferenced): New function.
9637	* script-c.h (script_symbol): Declare.
9638	* yyscript.y (exp): Call script_symbol.
9639	* symtab.cc: Include "script.h".
9640	(Symbol_table::gc_mark_undef_symbols): Add layout parameter.
9641	Change all callers.  Check symbols referenced by scripts.
9642	(Symbol_table::add_undefined_symbols_from_command_line): Add
9643	layout parameter.  Change all callers.
9644	(Symbol_table::do_add_undefined_symbols_from_command_line):
9645	Likewise.  Break out loop body.  Check symbols referenced by
9646	scripts.
9647	(Symbol_table::add_undefined_symbol_from_command_line): New
9648	function broken out of
9649	do_add_undefined_symbols_from_command_line.
9650	* symtab.h (class Symbol_table): Update declarations.
9651	* archive.cc: Include "layout.h".
9652	(Archive::should_include_member): Add layout parameter.  Change
9653	all callers.  Check for symbol mentioned in expression.
9654	* archive.h (class Archive): Update declaration.
9655	* object.cc (Sized_relobj::do_should_include_member): Add layout
9656	parameter.
9657	* object.h (Object::should_include_member): Add layout parameter.
9658	Change all callers.
9659	(Object::do_should_include_member): Add layout parameter.
9660	(class Sized_relobj): Update declaration.
9661	* dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
9662	parameter.
9663	* dynobj.h (class Sized_dynobj): Update declaration.
9664	* plugin.cc (Sized_pluginobj::do_should_include_member): Add
9665	layout parameter.
9666	* plugin.h (class Sized_pluginobj): Update declaration.
9667
96682010-08-02  Ian Lance Taylor  <iant@google.com>
9669
9670	PR 11866
9671	* output.cc (Output_segment::set_offset): Search for the first and
9672	last sections rather than assuming that the list is in order.
9673	(Output_segment::find_first_and_last_list): New function.
9674	* output.h (class Output_segment): Update declarations.
9675	* testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
9676	(relro_strip_test_SOURCES): New variable.
9677	(relro_strip_test_DEPENDENCIES): New variable.
9678	(relro_strip_test_LDFLAGS): New variable.
9679	(relro_strip_test_LDADD): New variable.
9680	(relro_strip_test.so): New target.
9681
96822010-08-02  Ian Lance Taylor  <iant@google.com>
9683
9684	* i386.cc (class Target_i386): Add got_tlsdesc_ field.
9685	(Target_i386::Target_i386):: Initialize got_tlsdesc_.
9686	(Target_i386::got_tlsdesc_section): New function.
9687	(Target_i386::got_section): Create space for GOT entries for
9688	TLSDESC relocations.
9689	(Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
9690	R_386_TLS_GOTDESC.
9691	(Target_i386::Scan::global): Likewise.
9692	(Target_i386::Relocate::relocate_tls): Adjust GOT offset when
9693	using TLSDESC GOT.
9694	* x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
9695	(Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
9696	(Target_x86_64::got_tlsdesc_section): New function.
9697	(Target_x86_64::got_section): Create space for GOT entries for
9698	TLSDESC relocations.
9699	(Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
9700	R_386_TLS_GOTDESC.
9701	(Target_x86_64::Scan::global): Likewise.
9702	(Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
9703	using TLSDESC GOT.
9704
97052010-08-02  Ian Lance Taylor  <iant@google.com>
9706
9707	* testsuite/final_layout.sh: Use dc to convert from hex to
9708	decimal.
9709
97102010-07-29  Sriraman Tallam  <tmsriram@google.com>
9711
9712	* arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
9713	paramter to the call to gold::gc_process_relocs.
9714	* i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
9715	paramter to the call to gold::gc_process_relocs.
9716	* x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
9717	parameter to the call to gold::gc_process_relocs.
9718	* powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
9719	template parameter to the call to gold::gc_process_relocs.
9720	* sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
9721	paramter to the call to gold::gc_process_relocs.
9722	* gc.h (get_embedded_addend_size): New function.
9723	(gc_process_relocs): Save the size of the reloc for use by ICF.
9724	* icf.cc (get_section_contents): Get the addend from the text section
9725	for SHT_REL relocation sections.
9726	* icf.h (Icf::Reloc_addend_size_info): New typedef.
9727	(Icf::Reloc_info): Add new member reloc_addend_size_info.
9728	* int_encoding.h (read_from_pointer): New overloaded function.
9729	* testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
9730	* testsuite/icf_sht_rel_addend_test.sh: New file.
9731	* testsuite/icf_sht_rel_addend_test_1.cc: New file.
9732	* testsuite/icf_sht_rel_addend_test_2.cc: New file.
9733
97342010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9735
9736	* configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
9737	* Makefile.in: Regenerate.
9738	* testsuite/Makefile.in: Regenerate.
9739
97402010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
9741
9742	* testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
9743	* gold/testsuite/debug_msg.cc: Likewise.
9744	* gold/testsuite/odr_violation1.cc
9745	* gold/testsuite/odr_violation2.cc
9746
97472010-07-21  Cary Coutant  <ccoutant@google.com>
9748
9749	* merge.h (Output_merge_string::Merged_string): Remove object, shndx,
9750	string, and length fields.
9751	(Output_merge_string::Merged_strings_list): New type.
9752	(Output_merge_string::Merged_strings_lists): New typedef.
9753	(Output_merge_string): Replace merged_strings_ with
9754	merged_strings_lists_.
9755	* merge.cc (Output_merge_string::do_add_input_section): Allocate new
9756	Merged_strings_list per input object and section.  Don't store pointer
9757	to the string.  Don't store length with each merged string entry.
9758	(Output_merge_string::finalize_merged_data): Loop over list of merged
9759	strings lists.  Recompute length of each merged string.
9760
97612010-07-15  Cary Coutant  <ccoutant@google.com>
9762
9763	* plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
9764	here.
9765
97662010-07-14  Ian Lance Taylor  <iant@google.com>
9767
9768	* descriptors.cc (Descriptors::open): Report correct name in error
9769	message.
9770
97712010-07-13  Doug Kwan  <dougkwan@google.com>
9772
9773	* arm.cc (Arm_input_section::Arm_input_section): For a
9774	SHT_ARM_EXIDX section, always keeps the input sections.
9775	(Arm_input_section::set_exidx_section_link): New method.
9776	(Arm_exidx_input_section::Arm_exidx_input_section): Initialize
9777	has_errors_ to false.
9778	(Arm_exidx_input_section::has_errors,
9779	Arm_exidx_input_section::set_has_errors): New methods.
9780	(Arm_exidx_input_section::has_errors_): New data member.
9781	(Arm_relobj::get_exidx_shndx_list): New method.
9782	(Arm_output_section::append_text_sections_to_list): Do not skip
9783	section without SHF_EXECINSTR.
9784	(Arm_output_section::fix_exidx_coverage): Skip input sections with
9785	errors.
9786	(Arm_relobj::make_exidx_input_section): Add new parameter for text
9787	section header.  Make error messages more verbose.  Check for
9788	a non-executable section linked to an EXIDX section.
9789	(Arm_relobj::do_read_symbols): Remove error checking, which has been
9790	moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
9791	check that there is no deferred EXIDX section if we exit early.
9792	Instead of not making an EXIDX section in case of an error, make one
9793	and set the has_errors flag of it.
9794	(Target_arm::do_finalize_sections): Fix up links of EXIDX sections
9795	in a relocatable link.
9796	(Target_arm::do_relax): Look for the EXIDX output section instead of
9797	assuming that it is called .ARM.exidx.
9798	(Target_arm::fix_exidx_coverage): Add a new parameter for input
9799	section list.  Do not check for SHF_EXECINSTR section flags but
9800	skip any input section with errors.
9801	* output.cc (Output_section::Output_section): Initialize
9802	always_keeps_input_sections_ to false.
9803	(Output_section::add_input_section): Check for
9804	always_keeps_input_sections_.
9805	*  output.h (Output_section::always_keeps_input_sections,
9806	Output_section::set_always_keeps_input_sections): New methods.
9807	(Output_section::always_keeps_input_sections): New data member.
9808
98092010-07-13  Rafael Espindola  <espindola@google.com>
9810
9811	* fileread.cc (try_extra_search_path, find_file): Move to Input_file.
9812	* fileread.h (Input_file): Add try_extra_search_path and find_file.
9813
98142010-07-13  Philip Herron  <herron.philip@googlemail.com>
9815	    Ian Lance Taylor  <iant@google.com>
9816
9817	* output.h (Output_section_lookup_maps::add_merge_section):
9818	Correct check of whether value was inserted.
9819	(Output_section_lookup_maps::add_merge_input_section): Likewise.
9820	(Output_section_lookup_maps::add_relaxed_input_section):
9821	Likewise.
9822	* arm.cc (Target_arm::got_section): Remove used local os.
9823	* i386.cc (Target_i386::got_section): Likewise.
9824	* x86_64.cc (Target_x86_64::got_section): Likewise.
9825	* sparc.cc (Target_sparc::got_section): Likewise.
9826	(Target_sparc::relocate): Remove unused local have_got_offset.
9827	* powerpc.cc (Target_powerpc::relocate): Likewise.
9828
98292010-07-13  Ian Lance Taylor  <iant@google.com>
9830
9831	* compressed_output.cc (zlib_decompress): Fix signature in
9832	!HAVE_ZLIB_H case.
9833
9834	* archive.cc (Archive::include_member): Unlock an external member
9835	of a thin archive.  Don't bother to delete an object we know is
9836	NULL.
9837
98382010-07-12  Cary Coutant  <ccoutant@google.com>
9839
9840	* compressed_output.cc (zlib_decompress): New function.
9841	(get_uncompressed_size): New function.
9842	(decompress_input_section): New function.
9843	* compressed_output.h (get_uncompressed_size): New function.
9844	(decompress_input_section): New function.
9845	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
9846	Handle compressed debug sections.
9847	* layout.cc (is_compressed_debug_section): New function.
9848	(Layout::output_section_name): Map compressed section names to
9849	canonical names.
9850	* layout.h (is_compressed_debug_section): New function.
9851	(is_debug_info_section): Recognize compressed debug sections.
9852	* merge.cc: Include compressed_output.h.
9853	(Output_merge_data::do_add_input_section): Handle compressed
9854	debug sections.
9855	(Output_merge_string::do_add_input_section): Handle compressed
9856	debug sections.
9857	* object.cc: Include compressed_output.h.
9858	(Sized_relobj::Sized_relobj): Initialize new data members.
9859	(build_compressed_section_map): New function.
9860	(Sized_relobj::do_read_symbols): Handle compressed debug sections.
9861	* object.h (Object::section_is_compressed): New method.
9862	(Object::do_section_is_compressed): New method.
9863	(Sized_relobj::Compressed_section_map): New type.
9864	(Sized_relobj::do_section_is_compressed): New method.
9865	(Sized_relobj::compressed_sections_): New data member.
9866	* output.cc (Output_section::add_input_section): Handle compressed
9867	debug sections.
9868	* reloc.cc: Include compressed_output.h.
9869	(Sized_relobj::write_sections): Handle compressed debug sections.
9870
98712010-07-08  Cary Coutant  <ccoutant@google.com>
9872
9873	* resolve.cc (Symbol_table::resolve): Remember whether undef was
9874	weak when resolving to a dynamic def.
9875	(Symbol_table::should_override): Add adjust_dyndef flag; set it
9876	for weak undef/dynamic def cases. Adjust callers.
9877	* symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
9878	undef_binding_weak_.
9879	(Symbol_table::sized_write_globals): Adjust symbol binding.
9880	(Symbol_table::sized_write_symbol): Add binding parameter.
9881	* symtab.h (Symbol::set_undef_binding): New method.
9882	(Symbol::is_undef_binding_weak): New method.
9883	(Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
9884	(Symbol_table::should_override): Add new parameter.
9885	(Symbol_table::sized_write_symbol): Add new parameter.
9886
9887	* testsuite/weak_undef_file1.cc: Add new test case.
9888	* testsuite/weak_undef_file2.cc: Fix header comment.
9889	* testsuite/weak_undef_test.cc: Add new test case.
9890
98912010-06-29  Doug Kwan  <dougkwan@google.com>
9892
9893	* arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
9894	Initialize USE_SYMBOL_.
9895	* arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
9896	definition.
9897	(Arm_reloc_property::uses_symbol_): New data member declaration.
9898	* arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
9899	uses symbol value and symbol is undefined but not weakly undefined.
9900
99012010-06-28  Rafael Espindola  <espindola@google.com>
9902
9903	* plugin.cc (Plugin::load): Use dlerror.
9904
99052010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
9906
9907	* symtab.cc (detect_odr_violations): When reporting an ODR
9908	violation, report an object where the symbol is defined.
9909
99102010-06-25  Doug Kwan  <dougkwan@google.com>
9911
9912	* arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
9913	(Target_arm::section_may_have_icf_unsafe_pointers): New method
9914	definition.
9915	(Target_arm::Scan::local_reloc_may_be_function_pointer,
9916	Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
9917	target hook to detect function points.
9918	(Target_arm::Scan::possible_function_pointer_reloc): New method.
9919	* icf.h (Icf::check_section_for_function_pointers): Change type of
9920	parameter SECTION_NAME to const reference to std::string.  Use
9921	target hook to determine if section may have unsafe pointers.
9922	* target.h (Target::section_may_have_icf_unsafe_pointers): New
9923	method definition.
9924
99252010-06-21  Rafael Espindola  <espindola@google.com>
9926
9927	* fileread.cc (Input_file::find_fie): New
9928	(Input_file::open): Use Input_file::find_fie.
9929	* fileread.h (Input_file::find_fie): New
9930	* plugin.cc (set_extra_library_path): New.
9931	(Plugin::load): Add set_extra_library_path to the transfer vector.
9932	(Plugin_manager::set_extra_library_path): New.
9933	(Plugin_manager::add_input_file): Use the extra search path if set.
9934	(set_extra_library_path(): New.
9935	* plugin.h (Plugin_manager): Add set_extra_library_path and
9936	extra_search_path_.
9937
99382010-06-19  Cary Coutant  <ccoutant@google.com>
9939
9940	* layout.cc (gdb_sections): Add .debug_types.
9941	(lines_only_debug_sections): Likewise.
9942
99432010-06-18  Rafael Espindola  <espindola@google.com>
9944
9945	* plugin.cc (add_input_file,add_input_library)
9946	(Plugin_manager::add_input_file): Make filename arguments const.
9947	* plugin.h (Plugin_manager::add_input_file): Make filename arguments
9948	const.
9949
99502010-06-16  Doug Kwan  <dougkwan@google.com>
9951
9952	* arm.cc (Target_arm::do_finalize_sections): Do not emit an
9953	.ARM.attributes section if we have not merged any input
9954	attributes sections.
9955
99562010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9957
9958	* arm.cc: Allow combining objects with no EABI version
9959	information.
9960
99612010-06-15  Rafael Espindola  <espindola@google.com>
9962
9963	* plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
9964
99652010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9966
9967	* fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
9968	(struct iovec): Correct !HAVE_READV definition.
9969
99702010-06-10  Cary Coutant  <ccoutant@google.com>
9971
9972	* object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
9973	(Sized_relobj::do_layout_deferred_sections): Do layout for deferred
9974	reloc sections.
9975	* object.h (Sized_relobj::deferred_layout_relocs_): New data member.
9976
9977	PR 11683
9978	* symtab.h (Symbol::is_placeholder): New member function.
9979	* target-reloc.h (relocate_section): Check for placeholder symbols.
9980
9981	* testsuite/Makefile.am (plugin_test_8): New test.
9982	(plugin_test_9): New test.
9983	* testsuite/Makefile.in: Regenerate.
9984
99852010-06-09  Nick Clifton  <nickc@redhat.com>
9986
9987	* yyscript.y (input_list_element): Allow strings prefixed with
9988	the '-' character.  Treat these as libraries.
9989	* script.cc (script_add_library): New function.  Adds a library
9990	specified by "-l<name>" found in an input script.
9991	* script-c.h: Add prototype for script_add_library.
9992
99932010-06-07  Doug Kwan  <dougkwan@google.com>
9994
9995	* arm.cc (Target_arm::do_relax): Reserve more space for stubs.
9996	Restrict stub-group size to be within long conditional branch
9997	range when working around cortex-A8 erratum.
9998
99992010-06-07  Damien Diederen  <dd@crosstwine.com>
10000
10001	* gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
10002	#ifdef typo.
10003
100042010-06-03  Sriraman Tallam  <tmsriram@google.com>
10005
10006	PR gold/11658
10007	* output.cc
10008	(Output_section::Input_section_sort_entry::compare_section_ordering):
10009	Change to return non-zero correctly.
10010	(Output_section::Input_section_sort_section_order_index_compare
10011	::operator()): Change to fix ambiguity in comparisons.
10012
100132010-06-01  Sriraman Tallam  <tmsriram@google.com>
10014
10015	* gold.h (is_wildcard_string): New function.
10016	* layout.cc (Layout::layout): Pass this pointer to add_input_section.
10017	(Layout::layout_eh_frame): Ditto.
10018	(Layout::find_section_order_index): New method.
10019	(Layout::read_layout_from_file): New method.
10020	* layout.h (Layout::find_section_order_index): New method.
10021	(Layout::read_layout_from_file): New method.
10022	(Layout::input_section_position_): New private member.
10023	(Layout::input_section_glob_): New private member.
10024	* main.cc (main): Call read_layout_from_file here.
10025	* options.h (--section-ordering-file): New option.
10026	* output.cc (Output_section::input_section_order_specified_): New
10027	member.
10028	(Output_section::Output_section): Initialize new member.
10029	(Output_section::add_input_section): Add new parameter.
10030	Keep input sections when --section-ordering-file is used.
10031	(Output_section::set_final_data_size): Sort input sections when
10032	section ordering file is specified.
10033	(Output_section::Input_section_sort_entry): Add new parameter.
10034	Check sorting type.
10035	(Output_section::Input_section_sort_entry::compare_section_ordering):
10036	New method.
10037	(Output_section::Input_section_sort_compare::operator()): Change to
10038	consider section_order_index.
10039	(Output_section::Input_section_sort_init_fini_compare::operator()):
10040	Change to consider section_order_index.
10041	(Output_section::Input_section_sort_section_order_index_compare
10042	::operator()): New method.
10043	(Output_section::sort_attached_input_sections): Change to sort
10044	according to section order when specified.
10045	(Output_section::add_input_section<32, true>): Add new parameter.
10046	(Output_section::add_input_section<64, true>): Add new parameter.
10047	(Output_section::add_input_section<32, false>): Add new parameter.
10048	(Output_section::add_input_section<64, false>): Add new parameter.
10049	* output.h (Output_section::add_input_section): Add new parameter.
10050	(Output_section::input_section_order_specified): New
10051	method.
10052	(Output_section::set_input_section_order_specified): New method.
10053	(Input_section::Input_section): Initialize section_order_index_.
10054	(Input_section::section_order_index): New method.
10055	(Input_section::set_section_order_index): New method.
10056	(Input_section::section_order_index_): New member.
10057	(Input_section::Input_section_sort_section_order_index_compare): New
10058	struct.
10059	(Output_section::input_section_order_specified_): New member.
10060	* script-sections.cc (is_wildcard_string): Delete and move modified
10061	method to gold.h.
10062	(Output_section_element_input::Output_section_element_input): Modify
10063	call to is_wildcard_string.
10064	(Output_section_element_input::Input_section_pattern
10065	::Input_section_pattern): Ditto.
10066	(Output_section_element_input::Output_section_element_input): Ditto.
10067	* testsuite/Makefile.am (final_layout): New test case.
10068	* testsuite/Makefile.in: Regenerate.
10069	* testsuite/final_layout.cc: New file.
10070	* testsuite/final_layout.sh: New file.
10071
100722010-06-01  Rafael Espindola  <espindola@google.com>
10073
10074	* plugin.cc (Plugin::load): Pass the output name to the plugin.
10075
100762010-06-01  Rafael Espindola  <espindola@google.com>
10077
10078	* plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
10079	visibility of symbols.
10080
100812010-05-27  Doug Kwan  <dougkwan@google.com>
10082
10083	* object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
10084	from start of output section instead of address for a local symbol
10085	in a merged or relaxed section when doing a relocatable link.
10086
100872010-05-26  Rafael Espindola  <espindola@google.com>
10088
10089	PR 11604
10090	* gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
10091	adding sections the garbage collector removed.
10092	* gold/testsuite/Makefile.am: Add test.
10093	* gold/testsuite/Makefile.in: Regenerate.
10094	* gold/testsuite/plugin_test_7.sh: New.
10095	* gold/testsuite/plugin_test_7_1.c: New.
10096	* gold/testsuite/plugin_test_7_2.c: New.
10097
100982010-05-26  Rafael Espindola  <espindola@google.com>
10099
10100	* script-sections.cc (Output_section_definition::set_section_addresses):
10101	Check for --section-start.
10102
101032010-05-26  Doug Kwan  <dougkwan@google.com>
10104
10105	* arm.cc (Arm_scan_relocatable_relocs): New class.
10106	(Target_arm::relocate_special_relocatable): New method.
10107	(Arm_relocate_functions::arm_branch_common): Handle relocatable link.
10108	(Arm_relocate_functions::thumb_branch_common): Same.
10109	(Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
10110	instead of Default_scan_relocatable_relocs.
10111	* target-reloc.h (relocate_for_relocatable): Let target handle
10112	relocation strategy Relocatable_relocs::RELOC_SPECIAL.
10113	* target.h (Sized_target::relocate_special_relocatable): New method.
10114
101152010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10116
10117	* timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
10118
101192010-05-23  Doug Kwan  <dougkwan@google.com>
10120
10121	* arm.cc (Arm_input_section::do_output_offset): Use convert_types
10122	instead of a cast.
10123	(Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
10124	with a direct branch, not a conditional branch, to a stub.
10125	* merge.cc (Output_merge_base::record_input_section): New method
10126	defintion.
10127	(Output_merge_data::do_add_input_section): Record input section if
10128	keeps-input-sections flag is set.
10129	(Output_merge_string::do_add_input_section): Ditto.
10130	* merge.h (Output_merge_base::Output_merge_base): Initialize new data
10131	members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
10132	INPUT_SECTIONS_.
10133	(Output_merge_base::keeps_input_sections,
10134	Output_merge_base::set_keeps_input_sections,
10135	Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
10136	method definitions.
10137	(Output_merge_base::Input_sections): New type declaration.
10138	(Output_merge_base::input_sections_begin,
10139	Output_merge_base::input_sections_end,
10140	Output_merge_base::do_set_keeps_input_sections): New method definitions.
10141	(Output_merge_base::bool keeps_input_sections_,
10142	Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
10143	Output_merge_base::input_sections_): New data members.
10144	(Output_merge_data::do_set_keeps_input_sections): New method
10145	defintion.
10146	(Output_merge_string::do_set_keeps_input_sections): Ditto.
10147	* output.cc (Output_section::Input_section::relobj): Move method
10148	defintion from class declaration to here and handle merge sections.
10149	(Output_section::Input_section::shndx): Ditto.
10150	(Output_section::Output_section): Remove initializations of removed
10151	data members and initialize new data member LOOKUP_MAPS_.
10152	(Output_section::add_input_section): Set keeps-input-sections flag
10153	for a newly created merge output section as appropriate.  Adjust code
10154	to use Output_section_lookup_maps class.
10155	(Output_section::add_relaxed_input_section): Adjst code for lookup
10156	maps code refactoring.
10157	(Output_section::add_merge_input_section): Add a new parameter
10158	KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
10159	class.  If adding input section to a newly created merge output
10160	section fails, remove the new merge section.
10161	(Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
10162	Adjust code for use of the Output_section_lookup_maps class.
10163	(Output_section::find_merge_section): Ditto.
10164	(Output_section::build_lookup_maps): New method defintion.
10165	(Output_section::find_relaxed_input_section): Adjust code to use
10166	Output_section_lookup_maps class.
10167	(Output_section::get_input_sections): Export merge sections.  Adjust
10168	code to use Output_section_lookup_maps class.
10169	(Output_section:::add_script_input_section): Adjust code to use
10170	Output_section_lookup_maps class.  Update lookup maps for merge
10171	sections also.
10172	(Output_section::discard_states): Use Output_section_lookup_maps.
10173	(Output_section::restore_states): Same.
10174	* output.h (Merge_section_properties): Move class defintion out of
10175	Output_section.
10176	(Output_section_lookup_maps): New class.
10177	(Output_section::Input_section::is_merge_section): New method
10178	defintion.
10179	(Output_section::Input_section::relobj): Move defintion out of class
10180	defintion.  Declare method only.
10181	(Output_section::Input_section::shndx): Ditto.
10182	(Output_section::Input_section::output_merge_base): New method defintion.
10183	(Output_section::Input_section::u2_.pomb): New union field.
10184	(Output_section::Merge_section_by_properties_map,
10185	Output_section::Output_section_data_by_input_section_map,
10186	Output_section::Ouptut_relaxed_input_section_by_input_section_map):
10187	Remove types.
10188	(Output_section::add_merge_input_section): Add new parameter
10189	KEEPS_INPUT_SECTIONS.
10190	(Output_section::build_lookup_maps): New method declaration.
10191	(Output_section::merge_section_map_,
10192	Output_section::merge_section_by_properties_map_,
10193	Output_section::relaxed_input_section_map_,
10194	Output_section::is_relaxed_input_section_map_valid_): Remove data
10195	members.
10196	(Output_section::lookup_maps_): New data member.
10197
101982010-05-21  Doug Kwan  <dougkwan@google.com>
10199
10200	PR gold/11619
10201	* arm.cc (Arm_input_section::do_output_offset): Add a cast to
10202	avoid a compilation error.
10203
102042010-05-19  Rafael Espindola  <espindola@google.com>
10205
10206	* script-sections.cc (Output_section_definition::allocate_to_segment):
10207	Update the phdrs_list even when the output section is NULL.
10208	* testsuite/Makefile.am: Add test.
10209	* testsuite/Makefile.in: Regenerate.
10210	* testsuite/script_test_9.cc: New.
10211	* testsuite/script_test_9.sh: New.
10212	* testsuite/script_test_9.t: New.
10213
102142010-05-19  Doug Kwan  <dougkwan@google.com>
10215
10216	* arm.cc (Arm_input_section::original_size): New method.
10217	(Arm_input_section::do_addralign): Add a cast.
10218	(Arm_input_section::do_output_offset): Remove static cast.
10219	(Arm_input_section::original_addralign,
10220	 Arm_input_section::original_size_): Change type to uint32_t.
10221	(Arm_input_section::init): Add safe casts for section alignment
10222	and size.
10223	(Arm_input_section::set_final_data_size): Do not set address and
10224	offset of stub table.
10225	(Arm_output_section::fix_exidx_coverage): Change use of of
10226	Output_section::Simple_input_section to that of
10227	Output_section::Input_section.
10228	(Target_arm::do_relax): Set addresses and file offsets of Stub_tables
10229	except for the first pass.
10230	* output.cc (Output_section::get_input_sections): Change type of
10231	input_sections to std::list<Input_section>.
10232	(Output_section::add_script_input_section): Rename from
10233	Output_section::add_simple_input_section.  Change type of SIS
10234	parameter from Simple_input_section to Input_section.
10235	* output.h (Output_section::Simple_input_section): Remove class.
10236	(Output_section::Input_section): Change class visibility to public.
10237	(Output_section::Input_section::addralign): Use stored alignments
10238	for special input sections if set.
10239	(Output_section::Input_section::set_addralign): New method.
10240	(Output_section::get_input_sections): Change parameter type from
10241	list of Simple_input_section to list of Input_section.
10242	(Output_section::add_script_input_section): Rename from
10243	Output_section::add_simple_input_section. Change first parameter's
10244	type from Simple_input_section to Input_section and remove the
10245	second and third parameters.
10246	* script-sections.cc (Input_section::Input_section_list): Change
10247	type to list of Output_section::Input_section/
10248	(Input_section_info::Input_section_info): Change parameter type of
10249	INPUT_SECTION to Output_section::Input_section.
10250	(Input_section_info::input_section): Change return type.
10251	(Input_section_info::input_section_): Change type to
10252	Output_section::Input_section.
10253	(Output_section_element_input::set_section_addresses): Adjust code
10254	to use Output_section::Input_section instead of
10255	Output_section::Simple_input_section.  Adjust code for renaming
10256	of Output_section::add_simple_input_section.
10257	(Orphan_output_section::set_section_addresses): Ditto.
10258
102592010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10260
10261	* gold.h (Unordered_multimap, Unordered_map): Fix defines for
10262	when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
10263
102642010-05-18  Rafael Espindola  <espindola@google.com>
10265
10266	* options.cc (General_options::finalize): Handle -nostdlib.
10267	* options.h (nostdlib): New option.
10268	* script.cc (script_add_search_dir): Handle -nostdlib.
10269
102702010-05-12  Doug Kwan  <dougkwan@google.com>
10271
10272	* arm.cc (Target_arm::do_finalize_sections): Create an empty
10273	attributes section only if there no attributes section after merging.
10274	(Target_arm::merge_object_attributes): Move value of
10275	Tag_MPextension_use_legacy to that of Tag_MPextension_use.
10276	Handle Tag_DIV_use and Tag_MPextension_use_legacy.
10277	* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
10278	(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
10279	and arm_attr_merge_7.stdout.
10280	(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
10281	arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
10282	arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
10283	arm_attr_merge_7b.o): New rules.
10284	(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
10285	arm_attr_merge_7
10286	* testsuite/Makefile.in: Regenerate.
10287	* testsuite/arm_attr_merge.sh: New file.
10288	* testsuite/arm_attr_merge_[67][ab].s: Same.
10289
102902010-05-05  Nick Clifton  <nickc@redhat.com>
10291
10292	* po/es.po: Updated Spanish translation.
10293
102942010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
10295
10296	* Makefile.am (install-exec-local): Properly install gold as
10297	default cross linker.
10298	* Makefile.in: Regenerated.
10299
103002010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
10301	    Nick Clifton  <nickc@redhat.com>
10302
10303	* configure.ac (install_as_default): Define and set to false
10304	unless --enable-gold or --enable-gold=both/gold has been
10305	specified.
10306	* configure: Regenerate.
10307
10308	* Makefile.am (install-exec-local): Install the executable as
10309	'ld.gold'.  If install_as_default is true then also install it as
10310	'ld'.
10311	* Makefile.in: Regenerated.
10312
103132010-04-24  Ian Lance Taylor  <iant@google.com>
10314
10315	* layout.cc (Layout::layout_reloc): In relocatable link don't
10316	combine reloc sections for grouped sections.
10317
103182010-04-23  Sriraman Tallam  <tmsriram@google.com>
10319
10320	* gc.h (gc_process_relocs): Pass information on relocs pointing to
10321	sections that are not ordinary to icf.
10322	* icf.cc (get_section_contents): Handle relocation pointing to section
10323	with no object or shndx information.
10324	* testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
10325	* testsuite/Makefile.in: Regenerate.
10326	* testsuite/icf_virtual_function_folding_test.cc: Remove printf.
10327	* testsuite/icf_virtual_function_folding_test.sh: Delete file.
10328
103292010-04-22  Ian Lance Taylor  <iant@google.com>
10330
10331	* expression.cc (Expression::Expression_eval_info): Add
10332	result_alignment_pointer field.
10333	(Expression::eval_with_dot): Add result_alignment_pointer
10334	parameter.  Change all callers.
10335	(Expression::eval_maybe_dot): Likewise.
10336	(class Binary_expression): Add alignment_pointer parameter to
10337	left_value and right_value.  Change all callers.
10338	(BINARY_EXPRESSION): Set result alignment.
10339	(class Trinary_expression): Add alignment_pointer parameter to
10340	arg2_value and arg3_value.  Change all callers.
10341	(Trinary_cond::value): Set result alignment.
10342	(Max_expression::value, Min_expression::value): Likewise.
10343	(Align_expression::value): Likewise.
10344	* script-sections.cc (class Sections_element): Add dot_alignment
10345	parameter to set_section_addresses virtual function.  Update
10346	instantiations.
10347	(class Output_section_element): Likewise.
10348	(Script_sections::create_segments): Add dot_alignment parameter.
10349	Change all callers.
10350	(Script_sections::create_segments_from_phdrs_clause): Likewise.
10351	(Script_sections::set_phdrs_clause_addresses): Likewise.
10352	* script-sections.h: Update declarations.
10353	* script.h: Update declarations.
10354	* output.h (Output_segment::set_minimum_p_align): Don't decrease
10355	min_p_align.
10356	* testsuite/script_test_3.t: Set large alignment.
10357	* testsuite/script_test_3.sh: Make sure that at least one LOAD
10358	segment has expected alignment.
10359
103602010-04-22  Nick Clifton  <nickc@redhat.com>
10361
10362	* po/gold.pot: Updated by the Translation project.
10363	* po/vi.po: Updated Vietnamese translation.
10364
103652010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
10366
10367	* testsuite/Makefile.am (check_PROGRAMS): Add
10368	icf_virtual_function_folding_test.
10369	* testsuite/Makefile.in: Regenerated.
10370
103712010-04-15  Andrew Haley  <aph@redhat.com>
10372
10373	* options.h (merge_exidx_entries): New option.
10374	* arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
10375	(class Arm_exidx_fixup::merge_exidx_entries_): New member.
10376	(Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
10377	(Target_arm::merge_exidx_entries): New function.
10378	(process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
10379	(Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
10380	to Arm_exidx_fixup constructor.
10381	Add new arg, merge_exidx_entries.
10382	(Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
10383	Arm_output_section::fix_exidx_coverage.
10384
103852010-04-18  Sriraman Tallam  <tmsriram@google.com>
10386
10387	* icf.cc (get_section_contents): Check for preemptible functions.
10388	Ignore addend when appropriate.
10389	* symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
10390	section folded.
10391	(add_from_relobj): Check for section folded.
10392	(set_dynsym_indexes): Fix call to should_add_dynsym_entry.
10393	* symtab.h (should_add_dynsym_entry): Add new parameter.
10394	* target-reloc.h (scan_relocs): Check for section folded.
10395	* x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
10396	Check reloc types for function pointers in shared objects.
10397	* testsuite/Makefile.am (icf_virtual_function_folding_test): New test
10398	case.
10399	(icf_preemptible_functions_test): New test case.
10400	(icf_string_merge_test): New test case.
10401	* testsuite.Makefile.in: Regenerate.
10402	* testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
10403	bar_glob.  Refactor code.
10404	* testsuite/icf_preemptible_functions_test.cc: New file.
10405	* testsuite/icf_preemptible_functions_test.sh: New file.
10406	* testsuite/icf_string_merge_test.cc: New file.
10407	* testsuite/icf_string_merge_test.sh: New file.
10408	* testsuite/icf_virtual_function_folding_test.cc: New file.
10409	* testsuite/icf_virtual_function_folding_test.sh: New file.
10410
104112010-04-14  Doug Kwan  <dougkwan@google.com>
10412
10413	* arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
10414	for local symbol recounting if we remove a section due to ICF.
10415	* gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
10416	there are no regular objects in input.
10417
104182010-04-13  Doug Kwan  <dougkwan@google.com>
10419
10420	* arm.cc (Arm_input_section::set_final_data_size): Compute
10421	accurate final data size instead of using current data size.
10422
104232010-04-09  Doug Kwan  <dougkwan@google.com>
10424
10425	* layout.cc (Layout::choose_output_section): Handle script section
10426	types.
10427	(Layout::make_output_section_for_script): Add section type parameter.
10428	Handle script section types.
10429	* layout.h (Layout::make_output_section_for_script): Add section
10430	type parameter.
10431	* output.cc (Output_section::Output_section): Initialize data member
10432	is_noload_.
10433	(Output_section::do_reset_address_and_file_offset): Do not set address
10434	to 0 if section is a NOLOAD section.
10435	* output.h (Output_section::is_noload): New method.
10436	(Output_section::set_is_noload): Ditto.
10437	(Output_section::is_noload_): New data member.
10438	* script-c.h (Script_section_type): New enum type.
10439	(struct Parser_output_section_header): Add new file section_type.
10440	* script-sections.cc (Sections_element::output_section_name): Add
10441	parameter for returning script section type.
10442	(Output_section_definition::output_section_name): Ditto.
10443	(Output_section_definition::section_type)P; New method.
10444	(Output_section_definiton::script_section_type_name): Ditto.
10445	(Output_section_definition::script_section_type_): New data member.
10446	(Output_section_definition::Output_section_definition): Initialize
10447	data member Output_section_definition::script_section_type_.
10448	(Output_section_definition::create_sections): Pass script section type
10449	to Layout::make_output_section_for_script.
10450	(Output_section_definition::output_section_name): Return script
10451	section type to caller.
10452	(Output_section_definition::set_section_address): Do not advance
10453	dot value and load address if section type is NOLOAD.  Set address
10454	of NOLOAD sections regardless of section flags.
10455	(Output_section_definition::print): Print section type if it is
10456	not SCRIPT_SECTION_TYPE_NONE.
10457	(Output_section_definition::section_type): New method.
10458	(Output_section_definition::script_section_type_name): Ditto.
10459	(Script_sections::output_section_name): Add new parameter
10460	PSECTION_TYPE for returning script section type.  Pass it to
10461	section elements.  Handle discard sections.
10462	(Sort_output_sections::operator()): Handle NOLOAD sections.
10463	* script-sections.h (Script_sections::Section_type): New enum type.
10464	(Script_sections::output_section_name): Add a new parameter for
10465	returning script section type.
10466	* script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
10467	INFO and NOLOAD.
10468	* yyscript.y (union): Add new field SECTION_TYPE.
10469	(COPY, DSECT, INFO, NOLOAD): New tokens.
10470	(opt_address_and_section_type): Change type to output_section_header.
10471	(section_type): New non-terminal
10472	(section_header): Handle section type.
10473	(opt_address_and_section_type): Return section type value.
10474
104752010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
10476
10477	* testsuite/plugin_common_test_1.c (foo): Add prototype.
10478	* testsuite/plugin_common_test_2.c (foo): Likewise.
10479
104802010-04-08  Doug Kwan  <dougkwan@google.com>
10481
10482	* merge.cc (Output_merge_data::set_final_data_size): Handle empty
10483	Output_merge_data.
10484	* output.cc (Output_section::add_merge_input_section): Simplify
10485	code and return status of Output_merge_base::add_input_section.
10486	Update merge section map only if Output_merge_base::add_input_section
10487	returns true.
10488
104892010-04-07  Doug Kwan  <dougkwan@google.com>
10490
10491	* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
10492	if section is marked as containing instructions but has no mapping
10493	symbols.
10494	(Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
10495	correct section index.
10496	(Arm_relobj::find_linked_text_section): Ditto.
10497
104982010-04-07  Cary Coutant  <ccoutant@google.com>
10499
10500	* archive.cc (include_member): Destroy Read_symbols_data object before
10501	releasing file.
10502	* object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
10503	* object.h (Read_symbols_data::Read_symbols_data) New constructor.
10504	(Read_symbols_data::~Read_symbols_data) New destructor.
10505	(Section_relocs::Section_relocs) New constructor.
10506	(Section_relocs::~Section_relocs) New destructor.
10507	(Read_relocs_data::Read_relocs_data) New constructor.
10508	(Read_relocs_data::~Read_relocs_data) New destructor.
10509	* testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
10510	pointers to NULL after deleting.
10511
105122010-04-07  Doug Kwan  <dougkwan@google.com>
10513
10514	* arm.cc: Replace "endianity" with "endianness" in comments.
10515	(Arm_exidx_cantunwind): Ditto.
10516	(Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
10517	(Arm_relobj::merge_flags_and_attributes): New method.
10518	(Arm_relobj::merge_flags_and_attributes_): New data member.
10519	(Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
10520	(Arm_relobj::scan_sections_for_stubs): Ditto.
10521	(Arm_relobj::do_read_symbols): Check to see if we really want to
10522	merge processor-specific flags and attributes.  Exit early if
10523	an object is empty except for section names and the undefined symbol.
10524	(Target_arm::do_finalize_sections): Move check for ELF format to
10525	Arm_relobj::do_read_symbols.  Merge processor specific flags and
10526	attributes from a regular object only when we have determined that
10527	it is aapropriate.  Do not create an .ARM.attributes section in
10528	output if there is no regular input object.
10529	(Target_arm::merge_processor_specific_flags): Check
10530	--warn-mismatch before printing any error.
10531	(Target_arm::merge_object_attributes): Ditto.
10532	* gold.cc (queue_middle_tasks): Handle the case in which there is
10533	no regular object in input.
10534	* options.cc (General_options::parse_EB): New method.
10535	(General_options::parse_EL): Same.
10536	(General_options::General_options): Initialize endianness_.
10537	* options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
10538	New options.
10539	(General_options::Endianness): New enum.
10540	(General_options::endianness): New method.
10541	(General_options::endianness_): New data member.
10542	* parameters.cc (Parameters::set_options): Check target endianness.
10543	(Parameters::set_target_once): Ditto.
10544	(Parameters::check_target_endianness): New method.
10545	(parameters_force_valid_target): If either -EL or -EB is specified,
10546	use it to define endianness of default target.
10547	* parameters.h (Parameters::check_target_endianness): New method
10548	declaration.
10549	* target.h (class Target): Change "endianity" to "endianness"
10550	in comments.
10551
105522010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10553
10554	* configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
10555	* configure: Regenerate.
10556	* Makefile.in: Regenerate.
10557	* testsuite/Makefile.in: Regenerate.
10558
105592010-04-06  Cary Coutant  <ccoutant@google.com>
10560
10561	gcc PR lto/42757
10562	* plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
10563	prevailing definitions of common symbols.
10564	* testsuite/plugin_test_6.sh: New test case.
10565	* testsuite/plugin_common_test_1.c: New test case.
10566	* testsuite/plugin_common_test_2.c: New test case.
10567	* testsuite/Makefile.am (plugin_test_6): New test case.
10568	* testsuite/Makefile.in: Regenerate.
10569
105702010-04-06  Nick Clifton  <nickc@redhat.com>
10571
10572	* po/vi.po: New Vietnamese translation.
10573
105742010-03-30  Doug Kwan  <dougkwan@google.com>
10575
10576	* arm.cc (Target_arm::using_thumb_only): Handle v6-M
10577
105782010-03-25  Doug Kwan  <dougkwan@google.com>
10579
10580	* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
10581	to avoid a conversion warning on a 32-bit host.
10582
105832010-03-24  Ian Lance Taylor  <iant@google.com>
10584
10585	* testsuite/script_test_3.t: Add a TLS segment.
10586	* testsuite/Makefile.am (check_PROGRAMS): Add
10587	tls_phdrs_script_test.
10588	(tls_phdrs_script_test_SOURCES): Define.
10589	(tls_phdrs_script_test_DEPENDENCIES): Define.
10590	(tls_phdrs_script_test_LDFLAGS): Define.
10591	(tls_phdrs_script_test_LDADD): Define.
10592	* testsuite/Makefile.in: Rebuild.
10593
105942010-03-23  Cary Coutant  <ccoutant@google.com>
10595
10596	* fileread.cc (find_or_make_view): Fix comment.
10597
105982010-03-23  Ian Lance Taylor  <iant@google.com>
10599
10600	* script-sections.cc (class Orphan_section_placement): Define
10601	PLACE_TLS and PLACE_TLS_BSS.
10602	(Orphan_section_placement::Orphan_section_placement): Initialize
10603	new places.
10604	(Orphan_section_placement::find_place): Handle SHF_TLS sections.
10605	* testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
10606	(tls_script_test_SOURCES): Define.
10607	(tls_script_test_DEPENDENCIES): Define.
10608	(tls_script_test_LDFLAGS): Define.
10609	(tls_script_test_LDADD): Define.
10610	* testsuite/Makefile.in: Rebuild.
10611
106122010-03-22  Doug Kwan  <dougkwan@google.com>
10613
10614	* arm.cc (Arm_relocate_functions::abs8,
10615	Arm_relocate_functions::abs16): Use correct check for overflow
10616	specified in the ARM ELF specs.
10617	(Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
10618	target of a BLX instruction specially.
10619	(Reloc_stub::stub_type_for_reloc): Ditto.
10620	(Relocate::relocate): Use symbolic names instead of numeric relocation
10621	codes to report error.
10622	(Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
10623	workaround.
10624	* testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
10625	thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
10626	thumb2_blx_out_of_range.stdout
10627	(thumb_bl_out_of_range, thumb_bl_out_of_range.o,
10628	thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
10629	(thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
10630	thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
10631	thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
10632	thumb2_blx_in_range, thumb2_blx_in_range.o,
10633	thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
10634	thumb2_blx_out_of_range.o): New rules.
10635	(MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
10636	thumb2_blx_in_range and	thumb2_blx_out_of_range.
10637	* testsuite/Makefile.in: Regenerate.
10638	* arm_branch_in_range.sh: Add tests for THUMB BLX.
10639	* testsuite/thumb_blx_in_range.s: New file.
10640	* testsuite/thumb_blx_out_of_range.s: New file.
10641
106422010-03-22  Rafael Espindola  <espindola@google.com>
10643
10644	* archive.cc (Should_include): Move to archive.h.
10645	(should_include_member): Make it a member of Archive.
10646	(Lib_group): New.
10647	(Add_lib_group_symbols): New.
10648	* archive.h: Include options.h.
10649	(Archive_member): Moved from Archive.
10650	(Should_include): Moved from archive.cc.
10651	(Lib_group): New.
10652	(Add_lib_group_symbols): New.
10653	* dynobj.cc (do_should_include_member): New.
10654	* dynobj.h (do_should_include_member): New.
10655	* gold.cc (queue_initial_tasks): Update call to queue.
10656	* main.cc (main): Print lib group stats.
10657	* object.cc (do_should_include_member): New.
10658	* object.h: Include archive.h.
10659	(Object::should_include_member): New.
10660	(Object::do_should_include_member): New.
10661	(Sized_relobj::do_should_include_member): New.
10662	* options.cc (General_options::parse_start_lib): New.
10663	(General_options::parse_end_lib): New.
10664	(Input_arguments::add_file): Handle lib groups.
10665	(Input_arguments::start_group): Check we are not in a lib.
10666	(Input_arguments::start_lib): New.
10667	(Input_arguments::end_lib): New.
10668	* options.h (General_options): Add start_lib and end_lib.
10669	(Input_argument::lib_): New.
10670	(Input_argument::lib): New.
10671	(Input_argument::is_lib): New.
10672	(Input_file_lib): New.
10673	(Input_arguments::in_lib_): New.
10674	(Input_arguments::in_lib): New.
10675	(Input_arguments::start_lib): New.
10676	(Input_arguments::end_lib_): New.
10677	* plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
10678	in unused members as preempted.
10679	(Sized_pluginobj::do_should_include_member): New.
10680	* plugin.h (Sized_pluginobj::do_should_include_member): New.
10681	* readsyms.cc (Read_symbols::locks): If we are just reading a member,
10682	return the blocker.
10683	(Read_symbols::do_whole_lib_group): New.
10684	(Read_symbols::do_lib_group): New.
10685	(Read_symbols::do_read_symbols): Handle lib groups.
10686	(Read_symbols::get_name): Handle lib groups.
10687	* readsyms.h (Read_symbols): Add an archive member pointer.
10688	(Read_symbols::do_whole_lib_group): New.
10689	(Read_symbols::do_lib_group): New.
10690	(Read_symbols::member_): New.
10691	* script.cc (read_input_script): Update call to queue_soon.
10692
106932010-03-19  Doug Kwan  <dougkwan@google.com>
10694
10695	* arm.cc (Stub_table::Stub_table): Initialize new data members
10696	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
10697	(Stub_table::add_reloc_stub): Assign stub offset and update
10698	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
10699	(Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
10700	New data members.
10701	(Stub_table::update_data_size_and_addralign): Use
10702	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
10703	instead of going over all reloc stubs.
10704	(Stub_table::finalize_stubs): Do not assign reloc stub offsets.
10705	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
10706	Stringpool_template::offset_ to size of Stringpool_char.
10707	(Stringpool_template::new_key_offset): Remove code to initialize
10708	Stringpool_template::offset_.
10709	* stringpool.h (Stringpool_template::set_no_zero_null): Set
10710	Stringpool_template::offset_ to zero.
10711
107122010-03-15  Doug Kwan  <dougkwan@google.com>
10713
10714	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
10715	offset_.
10716	(Stringpool_template::new_key_offset): New method.
10717	(Stringpool_template::add_string): Assign offsets when adding new
10718	strings.
10719	(Stringpool_template::set_string_offsets): Do not set string offsets
10720	when not optimizing.
10721	* stringpool.h (Chunked_vector::Chunked_vector): Initialize data
10722	member size_.
10723	(Chunked_vector::clear): Clear size_.
10724	(Chunked_vector::reserve): Call reserve method of all Element_vectors.
10725	(Chunked_vector::size): Return size_.
10726	(Chunked_vector::push_back): Use size_ to find insert position.
10727	(Chunked_vector::size_): New data member.
10728	(Stringpool_template::set_no_zero_null): Assert string set is empty.
10729	(Stringpool_template::new_key_offset): New method declaration.
10730	(Stringpool_template::offset_): New data member.
10731
107322010-03-15   Rafael Espindola  <espindola@google.com>
10733
10734	* readsyms.cc (Read_symbols::do_read_symbols): Update calls to
10735	Add_symbols' constructor.
10736	* readsyms.h (Add_symbols): Remove the input_group member.
10737
107382010-03-10  Ian Lance Taylor  <iant@google.com>
10739
10740	* reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
10741	target to ask whether a reference to a symbol requires a stack
10742	split.
10743	* target.h (Target::is_call_to_non_split): New function.
10744	(Target::do_is_call_to_non_split): Declare virtual function.
10745	* target.cc: Include "symtab.h".
10746	(Target::do_is_call_to_non_split): New function.
10747	* i386.cc (Target_i386::do_is_call_to_non_split): New function.
10748
107492010-03-10  Cary Coutant  <ccoutant@google.com>
10750
10751	* fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
10752	(File_read::open[1]): Remove initial mapping of whole_file_view_.
10753	(File_read::open[2]): Add whole_file_view_ to list of views.
10754	(File_read::make_view): Remove test of whole_file_view_.
10755	(File_read::find_or_make_view): Create whole_file_view_ if
10756	necessary.
10757	(File_read::clear_views): Replace bool parameter with enum;
10758	adjust all callers.  Don't delete views with permanent data;
10759	do delete cached views and views from archives if
10760	--no-keep-files-mapped is set.  Set whole_file_view_ to NULL
10761	if clearing the corresponding view.
10762	* fileread.h (File_read::Clear_views_mode): New enum.
10763	(File_read::View::is_permanent_view): New method.
10764	(File_read::clear_views): Replace bool parameter
10765	with enum; adjust all callers.
10766	* options.h (General_options): Change keep_files_mapped option;
10767	add map_whole_files.
10768	* readsyms.cc (Add_symbols::run): Delete sd_ object before
10769	releasing the file.
10770	* reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
10771	the file.
10772
107732010-03-10  David S. Miller  <davem@davemloft.net>
10774
10775	* sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
10776
107772010-03-09  Sriraman Tallam  <tmsriram@google.com>
10778
10779	* icf.cc (get_section_contents): Add '@' marker after processing the
10780	merge reloc.
10781
107822010-03-08  Doug Kwan  <dougkwan@google.com>
10783
10784	* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
10785	due to a conversion warning.
10786	(Arm_relobj::update_output_local_symbol_count): Check for local
10787	symbol with unset output index.
10788
107892010-03-05  Ian Lance Taylor  <iant@google.com>
10790
10791	* options.h (class General_options): Add --spare-dynamic-tags.
10792	* output.cc (Output_data_dynamic::set_final_data_size): Implement
10793	--spare-dynamic-tags.
10794
107952010-03-05  Ian Lance Taylor  <iant@google.com>
10796
10797	* incremental.cc: Include "libiberty.h".
10798
107992010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
10800
10801	* dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
10802	function, is_info_ member.
10803	* dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
10804	(Versions::Versions): Update caller.
10805	(Versions::define_base_version): Likewise.
10806	(Versions::add_def): Likewise.
10807
108082010-03-03  Sriraman Tallam  <tmsriram@google.com>
10809
10810	* i386.cc (Target_i386::can_check_for_function_pointers): New function.
10811	(Scan::possible_function_pointer_reloc): New function.
10812	(Scan::local_reloc_may_be_function_pointer): Change to call
10813	possible_function_pointer_reloc.
10814	(Scan::global_reloc_may_be_function_pointer): Ditto.
10815	* icf.h (Icf::check_section_for_function_pointers): Change to reject
10816	relocations in ".data.rel.ro._ZTV" section.
10817	* testsuite/icf_safe_so_test.sh: Change to pass i386.
10818	* testsuite/icf_safe_so_test.cc: Ditto.
10819	* testsuite/icf_safe_test.cc: Ditto.
10820	* testsuite/icf_safe_test.sh: Ditto.
10821
108222010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10823	    Ian Lance Taylor  <iant@google.com>
10824
10825	* target-reloc.h (relocate_section): Check the symbol table index
10826	for -1U before setting the local symbol index.
10827	(scan_relocatable_relocs): If copying the relocation, record that
10828	the local symbol is required.
10829	* object.h (Symbol_value::is_output_symtab_index_set): New
10830	function.
10831	(Symbol_value::may_be_discarded_from_output_symtab): New
10832	function.
10833	(Symbol_value::has_output_symtab_entry): New function.
10834	(Symbol_value::needs_output_symtab_entry): Remove.
10835	(Symbol_value::output_symtab_index): Make sure the symbol index is
10836	set.
10837	(Symbol_value::set_output_symtab_index): Make sure the symbol
10838	index is not set.  Make sure the new index is valid.
10839	(Symbol_value::set_must_have_output_symtab_entry): New function.
10840	(Symbol_value::has_output_dynsym_entry): New function.
10841	(Symbol_value::set_output_dynsym_index): Make sure the new index
10842	is valid.
10843	(Sized_relobj::set_must_have_output_symtab_entry): New function.
10844	* object.cc (Sized_relobj::do_count_local_symbols): Only discard a
10845	local symbol if permitted.
10846	(Sized_relobj::do_finalize_local_symbols): Call
10847	is_output_symtab_index_set rather than needs_output_symtab_entry.
10848	(Sized_relobj::write_local_symbols): Call has_output_symtab_entry
10849	rather than needs_output_symtab_entry.  Call
10850	has_output_dynsym_entry rather than needs_output_dynsym_entry.
10851	* arm.cc (Arm_relobj::update_output_local_symbol_count): Call
10852	is_output_symtab_index_set rather than needs_output_symtab_entry.
10853	* testsuite/discard_locals_relocatable_test.c: New file.
10854	* testsuite/discard_locals_test.sh: Test -r.
10855	* testsuite/Makefile.am (check_DATA): Add
10856	discard_locals_relocatable_test1.syms,
10857	discard_local_relocatable_test2.syms.
10858	(MOSTLYCLEANFILES): Likewise.  Also add
10859	discard_locals_relocatable_test1.lout and
10860	discard_locals_relocatable_test2.out.
10861	(discard_locals_relocatable_test1.syms): New target.
10862	(discard_locals_relocatable_test.o): New target.
10863	(discard_locals_relocatable_test1.out): New target.
10864	(discard_locals_relocatable_test2.syms): New target.
10865	(discard_locals_relocatable_test2.out): New target.
10866	(various): Add missing ../ld-new dependencies.
10867	* testsuite/Makefile.in: Rebuild.
10868
108692010-03-03  Nick Clifton  <nickc@redhat.com>
10870
10871	* po/fi.po: New Finnish translation.
10872
108732010-03-01  Doug Kwan  <dougkwan@google.com>
10874
10875	* layout.cc (Layout::Layout): Force section types of .init_array*,
10876	.preinit_array* and .fini_array* sections.
10877	* output.cc (Output_section::Input_section_sort_entry::has_priority):
10878	Fix check of return value of std::string::find.().
10879	(Output_section::Input_section_sort_compare::operator()): Remove
10880	comment about .init_array.
10881	(Output_section::Input_section_sort_init_fini_compare::operator()):
10882	New method.
10883	(Output_section::sort_attached_input_sections): Handle .init_array
10884	and .fini_array specially.
10885	* output.h (Output_section::Inut_section_sort_compare): Update
10886	comment.
10887	(Output_section::Input_section_sort_init_fini_compare): New struct.
10888
108892010-02-26  Doug Kwan  <dougkwan@google.com>
10890
10891	* arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
10892	R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
10893	* testsuite/debug_msg.sh: Avoid matching source line number for
10894	use of global variable undef_int.
10895
108962010-02-26  Doug Kwan  <dougkwan@google.com>
10897
10898	* arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
10899	R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
10900	(Target_arm::scan_reloc_section_for_stubs): Instead of calling
10901	scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
10902	* options.cc (General_options::General_options): Initialize member
10903	fix_v4bx_.
10904	* testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
10905	(check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
10906	and rm_no_fix_v4bx.stdout
10907	(arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
10908	arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
10909	arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
10910	(MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
10911	and arm_no_fix_v4bx.
10912	* Makefile.in: Regenerate.
10913	* testsuite/arm_fix_v4bx.s: New file.
10914	* testsuite/arm_fix_v4bx.sh: Ditto.
10915
109162010-02-24  Doug Kwan  <dougkwan@google.com>
10917
10918	* arm.cc (Target_arm::got_section): Make the .got section the first
10919	non RELRO section in the data segment.
10920	* testsuite/script_test_5.sh: Fix match patterns to avoid matching
10921	suffixes of section names.
10922
109232010-02-24  Doug Kwan  <dougkwan@google.com>
10924
10925	* arm.cc (Target_arm::do_finalize_sections): Skip processor specific
10926	flags and attributes merging if an input file is a binary file.
10927	* fileread.cc (Input_file::open): Record format of original file.
10928	* fileread.h (Input_file::Format): New enum type.
10929	(Input_file::Input_file): Initialize data member format_.
10930	(Input_file::format): New method definition.
10931	(Input_file::format_):: New data member.
10932
109332010-02-24  Doug Kwan  <dougkwan@google.com>
10934
10935	* arm.cc (Arm_output_data_got): New class.
10936	(ARM_TCB_SIZE): New constant
10937	(Target_arm): Use Arm_output_data_got instead of Output_data_got.
10938	(Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
10939	If user uses a script with a SECTIONS clause, issue only a warning
10940	for a misplaced EXIDX input section.  Otherwise, issue an error.
10941	(Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
10942	garbage collection.
10943	(Target_arm::got_mode_index_entry): Handle static linking.
10944	(Target_arm::Scan::local): Ditto.
10945	(Target_arm::Scan::global): Ditto.
10946	(Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
10947	all incorrectly implemented relocations.
10948	(Target_arm::fix_exidx_coverage): Pass layout to
10949	Arm_output_section::fix_exidx_coverage.
10950	* layout.cc (Layout::section_name_mapping): Remove trailing dots
10951	from ".ARM.exidx." and ".ARM.extab.".
10952
109532010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10954
10955	* arm.cc (Target_arm::do_finalize_sections): Create attribute
10956	section if it does not already exist.
10957	* attributes.cc	(Attributes_section_data::Attributes_section_data):
10958	Don't crash if size is zero.
10959
109602010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10961	    Ian Lance Taylor  <iant@google.com>
10962
10963	* gold.cc (queue_middle_tasks): If no input files were opened,
10964	exit.
10965	* workqueue.h (Task_function::Task_function): Assert that there is
10966	a blocker.
10967
109682010-02-22  Doug Kwan  <dougkwan@google.com>
10969
10970	* gold-threads.h (Once::~Once): Explicitly define virtual destructor.
10971	* icf.cc (get_section_contents): Cast snprintf arguments to long long
10972	types to avoid warnings due to different uint64_t implementations
10973	on different hosts.
10974
109752010-02-21  Doug Kwan  <dougkwan@google.com>
10976
10977	* arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
10978	handling of the maximum backward branch offset.
10979	(Arm_relocate_functions::thumb_branch_common): Ditto.
10980	* testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
10981	(check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
10982	thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
10983	thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
10984	(arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
10985	arm_bl_out_of_range.stdout, arm_bl_out_of_range,
10986	arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
10987	thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
10988	thumb_bl_out_of_range thumb_bl_out_of_range.o,
10989	thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
10990	thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
10991	thumb2_bl_out_of_range.o): New rules.
10992	(MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
10993	thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
10994	thumb2_bl_out_of_range
10995	* testsuite/Makefile.in: Regenerate.
10996	* testsuite/arm_bl_in_range.s: New file.
10997	* testsuite/arm_bl_out_of_range.s: Ditto.
10998	* testsuite/arm_branch_in_range.sh: Ditto.
10999	* testsuite/arm_branch_range.t: Ditto.
11000	* testsuite/thumb2_branch_range.t: Ditto.
11001	* testsuite/thumb_bl_in_range.s: Ditto.
11002	* testsuite/thumb_bl_out_of_range.s: Ditto.
11003	* testsuite/thumb_branch_range.t: Ditto.
11004
110052010-02-20  Sriraman Tallam  <tmsriram@google.com>
11006
11007	* gc.h (gc_process_relocs): Change vectors to point to the new list.
11008	Add reloc offset information.
11009	* icf.cc (get_section_contents): Change iterators to point to the new
11010	vectors. Add reloc offset information to the contents.
11011	* icf.h (Icf::Sections_reachable_info): New typedef.
11012	(Icf::Sections_reachable_list): New typedef.
11013	(Icf::Offset_info): New typedef.
11014	(Icf::Reloc_info): New struct typedef.
11015	(Icf::Reloc_info_list): New typedef.
11016	(Icf::symbol_reloc_list): Delete method.
11017	(Icf::addend_reloc_list): Delete method.
11018	(Icf::section_reloc_list): Delete method.
11019	(Icf::reloc_info_list): New method.
11020	(Icf::reloc_info_list_): New member.
11021
110222010-02-19  Doug Kwan  <dougkwan@google.com>
11023
11024	* arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
11025	R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
11026	* arm.cc (Arm_relocation_functions): New forward declaration.
11027	(Target_arm::Target_arm): Initialize new data members
11028	got_mod_index_offset_ and tls_base_symbol_defined_.
11029	(Target_arm::Relocate::relocate_tls): New method.
11030	(Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
11031	 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
11032	New methods.
11033	(Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
11034	GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
11035	(Target_arm::got_mod_index_offset_,
11036	Target_arm::tls_base_symbol_defined_): New data members.
11037	(Target_arm::Scan::local, Target::Scan::global,
11038	Target_arm::Relocate::relocate): Handle 32-bit initial TLS
11039	relocations.
11040
110412010-02-18  Doug Kwan  <dougkwan@google.com>
11042
11043	* arm.cc (Arm_relobj::find_linked_text_section): New method.
11044	(Arm_relobj::make_exidx_input_section): Pass section index of linked
11045	text section as a parameter becuase some broken tools may not set
11046	the link in section header.
11047	(Target_arm::has_got_section): New method.
11048	(Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
11049	without any mapping symbol as data only.  Remove warning.
11050	(Arm_relobj::do_read_synbols): If an EXIDX input section has no
11051	link in its section header, try to discover the link by inspecting the
11052	REL31 relocation at the beginning of the section.
11053	(Target_arm::Scan::check_non_pic): Report name of offending relocation
11054	in error message.
11055	(Target_arm::Scan::global): Treat any reference to the symbol
11056	_GLOBAL_OFFSET_TABLE_ as a GOT access.
11057
110582010-02-12  Sriraman Tallam  <tmsriram@google.com>
11059
11060	* arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
11061	(Scan::global_reloc_may_be_function_pointer): New function.
11062	* sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
11063	(Scan::global_reloc_may_be_function_pointer): New function.
11064	* powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
11065	(Scan::global_reloc_may_be_function_pointer): New function.
11066	* i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
11067	(Scan::global_reloc_may_be_function_pointer): New function.
11068	* x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
11069	(Scan::global_reloc_may_be_function_pointer): New function.
11070	(Scan::possible_function_pointer_reloc): New function.
11071	(Target_x86_64::can_check_for_function_pointers): New function.
11072	* gc.h (gc_process_relocs): Scan relocation types to determine if
11073	function pointers were taken for targets that support it.
11074	* icf.cc (Icf::find_identical_sections): Include functions for
11075	folding in safe ICF whose pointer is not taken.
11076	* icf.h (Secn_fptr_taken_set): New typedef.
11077	(fptr_section_id_): New member.
11078	(section_has_function_pointers): New function.
11079	(set_section_has_function_pointers): New function.
11080	(check_section_for_function_pointers): New function.
11081	* options.h: Fix comment for safe ICF option.
11082	* target.h (can_check_for_function_pointers): New function.
11083	* testsuite/Makefile.am: Add icf_safe_so_test test case.
11084	Modify icf_safe_test for X86-64.
11085	* testsuite/Makefile.in: Regenerate.
11086	* testsuite/icf_safe_so_test.cc: New file.
11087	* testsuite/icf_safe_so_test.sh: New file.
11088	* testsuite/icf_safe_test.cc (kept_func_3): New function.
11089	(main): Change to take pointer to function kept_func_3.
11090	* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
11091	folding is done correctly for X86-64.
11092
110932010-02-12  David S. Miller  <davem@davemloft.net>
11094
11095	* output.h (Output_reloc<SHT_REL>::Output_reloc): Add
11096	is_symbolless parameter.
11097	(Output_reloc<SHT_REL>::is_symbolless): New.
11098	(Output_reloc<SHT_REL>::is_symbolless_): New.
11099	(Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
11100	(Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
11101	(Output_reloc<SHT_RELA>::is_symbolless): New.
11102	(Output_data_reloc::add_global): Handle is_symbolless.
11103	(Output_data_reloc::add_global_relative): Likewise.
11104	(Output_data_reloc::add_local): Likewise.
11105	(Output_data_reloc::add_local_relative): Likewise.
11106	(Output_data_reloc::add_symbolless_global_addend): New.
11107	(Output_data_reloc::add_symbolless_local_addend): New.
11108	* output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
11109	is_symbolless.
11110	(Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
11111	instead of ->is_relative_
11112	(Output_reloc::write): Likewise.
11113	(Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
11114	(Output_reloc::write_rel): Simplify.
11115
11116	* sparc.cc (Target_sparc::Scan::local): Use
11117	->add_symbolless_local_addend as needed.
11118	(Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
11119	needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
11120	based upon relocation offset.
11121
111222010-02-11  Doug Kwan  <dougkwan@google.com>
11123
11124	* arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
11125	(Target_arm::Scan::global): Ditto.  Also remove a comment before the
11126	beginning of function.
11127	(Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
11128	and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
11129	parameter is_32bit in calls to should_apply_static_reloc.
11130	* testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
11131	(check_DATA): Add arm_abs_global.stdout.
11132	(arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
11133	arm_abs_global.stdout): New rules.
11134	(MOSTLLYCLEANFILES): Add arm_abs_global
11135	* Makefile.in: Regenerate.
11136	* testsuite/arm_abs_global.s: New file.
11137	* testsuite/arm_abs_global.sh: Ditto.
11138	* testsuite/arm_abs_lib.s: Ditto.
11139
111402010-02-11  Ian Lance Taylor  <iant@google.com>
11141
11142	* gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
11143	Read_relocs task.
11144	(queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
11145	Allocate_commons_task first.
11146	* reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
11147	task, rather than symtab_lock_.
11148	(Gc_process_relocs::~Gc_process_relocs): New function.
11149	(Gc_process_relocs::is_runnable): Check this_blocker_.
11150	(Gc_process_relocs::locks): Use next_blocker_ rather than
11151	blocker_.
11152	(Scan_relocs::~Scan_relocs): New function.
11153	(Scan_relocs::is_runnable): Check this_blocker_ rather than
11154	symtab_lock_.
11155	(Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
11156	next_blocker_.
11157	* reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
11158	fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
11159	constructor accordingly.
11160	(class Gc_process_relocs): Likewise.
11161	(class Scan_relocs): Likewise.
11162	* common.h (class Allocate_commons_task): Remove symtab_lock_
11163	field, and corresponding constructor parameter.
11164	* common.cc (Allocate_commons_tasK::is_runnable): Remove use of
11165	symtab_lock_.
11166	(Allocate_commons_task::locks): Likewise.
11167
111682010-02-11  Ian Lance Taylor  <iant@google.com>
11169
11170	* gold-threads.h (class Once): Define.
11171	(class Initialize_lock): Rewrite as child of Once.
11172	* gold-threads.cc (class Once_initialize): Define.
11173	(once_pointer_control): New static variable.
11174	(once_pointer, once_arg): New static variables.
11175	(c_run_once): New static function.
11176	(Once::Once, Once::run_once, Once::internal_run): New functions.
11177	(class Initialize_lock_once): Remove.
11178	(initialize_lock_control): Remove.
11179	(initialize_lock_pointer): Remove.
11180	(initialize_lock_once): Remove.
11181	(Initialize_lock::Initialize_lock): Move to gold-threads.h.
11182	(Initialize_lock::initialize): Rewrite.
11183	(Initialize_lock::do_run_once): New function.
11184	* archive.cc (Archive::interpret_header): Only clear name if it is
11185	not already empty.
11186	* fileread.cc: Include "gold-threads.h"
11187	(file_counts_lock): New static variable.
11188	(file_counts_initialize_lock): Likewise.
11189	(File_read::release): Only increment counts when using --stats.
11190	Use a lock around the increment.
11191	* parameters.cc (class Set_parameters_target_once): Define.
11192	(set_parameters_target_once): New static variable.
11193	(Parameters::Parameters): Move here from parameters.h.
11194	(Parameters::set_target): Rewrite.
11195	(Parameters::set_target_once): New function.
11196	(Parameters::clear_target): Move here and rewrite.
11197	* parameters.h (class Parameters): Update declarations.  Add
11198	set_parameters_target_once_ field.
11199	(Parameters::Parameters): Move to parameters.cc.
11200	(Parameters::clear_target): Likewise.
11201	* readsyms.cc (Read_symbols::do_group): Create a Start_group
11202	task.
11203	(Start_group::~Start_group): New function.
11204	(Start_group::is_runnable): New function.
11205	(Start_group::locks, Start_group::run): New functions.
11206	(Finish_group::run): Change saw_undefined to size_t.
11207	* readsyms.h (class Start_group): Define.
11208	(class Finish_group): Change saw_undefined_ field to size_t.
11209	(Finish_group::Finish_group): Remove saw_undefined and
11210	this_blocker parameters.  Change all callers.
11211	(Finish_group::set_saw_undefined): New function.
11212	(Finish_group::set_blocker): New function.
11213	* symtab.h (class Symbol_table): Change saw_undefined to return
11214	size_t.  Change saw_undefined_ field to size_t.
11215	* target-select.cc (Set_target_once::do_run_once): New function.
11216	(Target_selector::Target_selector): Initialize set_target_once_
11217	field.  Don't initialize lock_ and initialize_lock_ fields.
11218	(Target_selector::instantiate_target): Rewrite.
11219	(Target_selector::set_target): New function.
11220	* target-select.h (class Set_target_once): Define.
11221	(class Target_selector): Update declarations.  Make
11222	Set_target_once a friend.  Remove lock_ and initialize_lock_
11223	fields.  Add set_target_once_ field.
11224
112252010-02-10  Ian Lance Taylor  <iant@google.com>
11226
11227	* dirsearch.cc (Dirsearch::initialize): Add all blockers before
11228	queueing any tasks.
11229	* gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
11230	(queue_middle_tasks): Add all blockers before queueing any tasks.
11231	(queue_final_tasks): Likewise.
11232	* token.h (Task_token::add_blockers): New function.
11233	* object.h (Input_objects::number_of_relobjs): New function.
11234
112352010-02-10  Ian Lance Taylor  <iant@google.com>
11236
11237	* i386.cc (Relocate::relocate_tls): A local symbol is final if not
11238	shared, not if not position independent.
11239	* x86_64.cc (Relocate::relocate_tls): Likewise.
11240	* testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
11241	(tls_pie_pic_test): New target.
11242	* testsuite/Makefile.in: Rebuild.
11243
11244	* testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
11245	(tls_test_main_pie.o, tls_test_pie.o): New targets.
11246	(tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
11247	* testsuite/Makefile.in: Rebuild.
11248
112492010-02-09  David S. Miller  <davem@davemloft.net>
11250
11251	* sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
11252	R_SPARC_RELATIVE using ->add_local_relative().
11253	(Target_sparc::Scan::global): Likewise for ->add_global_relative().
11254
11255	* output.h (Output_data_dynamic::add_section_size): New method
11256	that takes two Output_data objects.
11257	(Output_data_dynamic::Dynamic_entry): Create storage for secondary
11258	entry param.  Handle it in initializers.
11259	* output.cc (Output_data_dynamic::Dynamic_entry::write): For
11260	DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
11261	* layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
11262	arg.
11263	* layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
11264	and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
11265	* arm.cc (Target_arm::do_finalize_sections): Update to pass false
11266	for dynrel_includes_plt.
11267	* i386.cc (Target_i386::do_finalize_sections): Likewise.
11268	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
11269	* sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
11270	before .rela.plt
11271	(Target_sparc::do_finalize_sections): Update to pass true for
11272	dynrel_includes_plt.
11273	* powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
11274	output before .rela.plt
11275	(Target_powerpc::do_finalize_sections): Update to pass true for
11276	dynrel_includes_plt when 32-bit.
11277
112782010-02-08  Doug Kwan  <dougkwan@google.com>
11279
11280	* arm.cc (Arm_relobj::simple_input_section_output_address): New
11281	method.
11282	(Arm_relobj::section_needs_cortex_a8_stub_scanning,
11283	Arm_relobj::scan_section_for_cortex_a8_stubs,
11284	Arm_relobj::do_relocation_section): Instead of calling
11285	Output_section::output_address, use faster
11286	Arm_relobj::simple_input_section_output_address.
11287
112882010-02-08  David S. Miller  <davem@davemloft.net>
11289
11290	* sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
11291	unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
11292	relocation helper function.
11293
11294	* sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
11295	just like R_SPARC_GOT{10,13,22}.
11296	(Target_sparc::Scan::local): Likewise.
11297	(Target_sparc::Relocate:relocate): Likewise.
11298
112992010-02-06  Ian Lance Taylor  <iant@google.com>
11300
11301	* configure.ac: Rewrite targetobjs duplicate removal code to use
11302	only shell constructs.
11303	* configure: Rebuild.
11304
113052010-02-05  Doug Kwan  <dougkwan@google.com>
11306
11307	PR 11247
11308	* arm.cc (Arm_relobj::section_is_scannable): New method.
11309	(Arm_relobj::section_needs_reloc_stub_scanning): Use it.
11310	(Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
11311
113122010-02-04  Doug Kwan  <dougkwan@google.com>
11313
11314	PR 11247
11315	* arm-reloc-property.cc (cstdio): Include.
11316	* configure.ac (targetobjs): Remove duplicates.
11317	* configure: Regenerate.
11318	* resolve.cc (Symbol_table::resolve): Explicit instantiate both
11319	big and little endian version for a given address size.
11320
113212010-02-03  Doug Kwan  <dougkwan@google.com>
11322
11323	* arm-reloc-property.cc
11324	(Arm_reloc_property_table::reloc_name_in_error_message): New method
11325	definition.
11326	* arm-reloc-property.h
11327	(Arm_reloc_property_table::get_implemented_static_reloc_property):
11328	New method definition.
11329	(Arm_reloc_property_table::reloc_name_in_error_message): New method
11330	declaration.
11331	* arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
11332	overflow to N.
11333	(GOT_PREL): Change implemented to Y.
11334	* arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
11335	(Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
11336	(Arm_relocate_functions::movw_abs_nc): Remove method.
11337	(Arm_relocate_functions::movt_abs): Ditto.
11338	(Arm_relocate_functions::thm_movw_abs_nc): Ditto.
11339	(Arm_relocate_functions::thm_movt_abs): Ditto.
11340	(Arm_relocate_functions::movw_rel_nc): Ditto.
11341	(Arm_relocate_functions::movw_rel): Ditto.
11342	(Arm_relocate_functions::movt_rel): Ditto.
11343	(Arm_relocate_functions:thm_movw_rel_nc): Ditto.
11344	(Arm_relocate_functions:thm_movw_rel): Ditto.
11345	(Arm_relocate_functions:thm_movt_rel): Ditto.
11346	(Arm_relocate_functions::movw, Arm_relocate_functions::movt,
11347	(Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
11348	New method definitions.
11349	(Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
11350	(Arm_relocation_functions::arm_grp_ldr): Ditto.
11351	(Arm_relocation_functions::arm_grp_ldrs): Ditto.
11352	(Arm_relocation_functions::arm_grp_ldc): Ditto.
11353	(Target_arm::Relocate::relocate): Check for non-static or
11354	unimplemented relocation code and exit early.  Change calls to
11355	Target_arm::reloc_uses_thumb_bit and
11356	Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
11357	instead.  Refactor code to handle similar relocations to increase
11358	code sharing.  Remove check for unsupported relocation code in switch
11359	statement.
11360	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
11361	relocation property table to find out size.  Change error message to
11362	print out the name of a relocation code instead of the numeric value.
11363	(Target_arm::scan_reloc_for_stub): Use relocation property table
11364	instead of calling Target_arm::reloc_uses_thumb_bit().
11365
113662010-02-02  Doug Kwan  <dougkwan@google.com>
11367
11368	* arm.cc (Target_arm::relocate_section): Do view adjustment for all
11369	types of relaxed input section.
11370
113712010-02-02  Doug Kwan  <dougkwan@google.com>
11372
11373	* Makefile.am (HFILES): Add arm-reloc-property.h.
11374	(DEFFILES): New.
11375	(TARGETSOURCES): Add arm-reloc-property.cc
11376	(ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
11377	(libgold_a_SOURCES): $(DEFFILES)
11378	* Makefile.in: Regenerate.
11379	* arm-reloc-property.cc: New file.
11380	* arm-reloc-property.h: New file.
11381	* arm-reloc.def: New file.
11382	* arm.cc: Update comments.
11383	(arm-reloc-property.h): New included header.
11384	(arm_reloc_property_table): New global variable.
11385	(Target_arm::do_select_as_default_target): New method definition.
11386	* configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
11387	arm-reloc-property to targ_extra_obj.
11388	* parameters.cc (set_parameters_target): Call
11389	Target::select_as_default_target().
11390	* target.h (Target::select_as_default_target): New method definition.
11391	(Target::do_select_as_default_target): Same.
11392
113932010-02-01  Doug Kwan  <dougkwan@google.com>
11394
11395	* arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
11396	first_output_text_section_.
11397	(Arm_exidx_fixup::first_output_text_section): New method definition.
11398	(Arm_exidx_fixup::first_output_text_section_): New data member.
11399	(Arm_exidx_fixup::process_exidx_section): Record the first text
11400	output section seen.
11401	(Arm_output_section::fix_exidx_coverage): Set correct linked section
11402	and entsize in output section header.
11403
114042010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11405
11406	* gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
11407	R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
11408	(Arm_relocate_functions::thm_alu11): New Method.
11409	(Arm_relocate_functions::thm_pc8): New Method.
11410	(Arm_relocate_functions::thm_pc12): New Method.
11411	(Target_arm::Scan::local): Handle the relocations.
11412	(Target_arm::Scan::global): Likewise.
11413	(Target_arm::Relocate::relocate): Likewise.
11414	(Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11415
114162010-01-29  Doug Kwan  <dougkwan@google.com>
11417
11418	* arm.cc (Target_arm::Scan::global): General PLTs for the same set
11419	of relocation types as ld.
11420
114212010-01-29  Doug Kwan  <dougkwan@google.com>
11422
11423	* arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
11424	to public.
11425	(Arm_relocate_functions::thumb_branch_common): Ditto.
11426	(Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
11427	Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
11428	Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
11429	Arm_relocate_functions::jump24): Remove.
11430	(Target_arm::Relocate::relocate): Adjust code to call
11431	Arm_relocation_functions::arm_branch_common and
11432	Arm_relocation_functions::thumb_branch_common instead of their removed
11433	wrappers.  Merge switch-cases together to reduce source code size.
11434
114352010-01-29  Doug Kwan  <dougkwan@google.com>
11436
11437	* arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
11438	output_local_symbol_count_needs_update_.
11439	(Arm_relobj::output_local_symbol_count_needs_update,
11440	 Arm_relobj::set_output_local_symbol_count_needs_update,
11441	 Arm_relobj::update_output_local_symbol_count): New methods.
11442	(Arm_relobj::output_local_symbol_count_needs_update_): New data
11443	member.
11444	(Arm_exidx_cantunwind::do_fixed_endian_write): Write address
11445	of pointed function as in a R_ARM_PREL31 relocation.
11446	(Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
11447	for output local symbol count updating.
11448	(Target_arm::do_relax): Update output local symbol counts in objects
11449	if necessary.
11450	* object.h (Sized_relobj::set_output_local_symbol_count): New method.
11451
114522010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11453
11454	* arm.cc: Added support for the ARM relocations:
11455	R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
11456	R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
11457	(Arm_relocate_functions::movw_rel_nc): Renamed (was
11458	movw_prel_nc).
11459	(Arm_relocate_functions::movw_rel): New method.
11460	(Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
11461	(Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
11462	thm_movw_prel_nc).
11463	(Arm_relocate_functions::thm_movw_rel): New method.
11464	(Arm_relocate_functions::thm_movt_rel): Renamed (was
11465	thm_movt_prel).
11466	(Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
11467	relocations.
11468	(Target_arm::Scan::global): Likewise.
11469	(Target_arm::Relocate::relocate): Likewise.
11470	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11471	Likewise.
11472
114732010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11474
11475	* arm.cc: Added support for ARM group relocations.
11476	(Target_arm::reloc_needs_sym_origin): New method.
11477	(Arm_relocate_functions::calc_grp_kn): New method.
11478	(Arm_relocate_functions::calc_grp_residual): New method.
11479	(Arm_relocate_functions::calc_grp_gn): New method.
11480	(Arm_relocate_functions::arm_grp_alu): New Method.
11481	(Arm_relocate_functions::arm_grp_ldr): New Method.
11482	(Arm_relocate_functions::arm_grp_ldrs): New Method.
11483	(Arm_relocate_functions::arm_grp_ldc): New Method.
11484	(Target_arm::Scan::local): Handle the ARM group relocations.
11485	(Target_arm::Scan::global): Likewise.
11486	(Target_arm::Relocate::relocate): Likewise.
11487	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11488	Likewise.
11489
114902010-01-26  Doug Kwan  <dougkwan@google.com>
11491
11492	* arm.cc (set): Include.
11493	(class Arm_exidx_fixup): Change type of last_input_section_ to const
11494	pointer type.
11495	(Arm_output_section::Text_section_list): New type.
11496	(Arm_output_section::append_text_sections_to_list): New method.
11497	(Arm_output_section::fix_exidx_coverage): Ditto.
11498	(Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
11499	(Arm_relobj::convert_input_section_to_relaxed_section): Use
11500	Relobj::set_section_offset() instead of
11501	Sized_relobj::invalidate_section_offset().
11502	(Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
11503	parameter for section headers. Ignore relocation sections for
11504	unallocated sections and EXIDX sections.
11505	(Target_arm::fix_exidx_coverage): New method.
11506	(Target_arm::output_section_address_less_than): New type.
11507	(Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
11508	linked text section instead of the EXIDX section.
11509	(Arm_output_section::create_stub_group): Add an assertion to check
11510	that this is not an EXIDX output section.
11511	(Arm_output_section::append_text_sections_to_list): New method.
11512	(Arm_output_section::fix_exidx_coverage): Ditto.
11513	(Arm_relobj::scan_sections_for_stubs): Adjust call to
11514	Arm_relobj::section_needs_reloc_stub_scanning.
11515	(Target_arm::do_relax): Fix EXIDX output section coverage in the
11516	first pass.
11517	(Target_arm::fix_exidx_coverage): New method.
11518	* object.h (Relobj::set_output_section): New method.
11519	(Sized_relobj::invalidate_section_offset): Remove method.
11520	(Sized_relobj::do_invalidate_section_offset): Remove method.
11521	(Sized_relobj::do_set_section_offset): Handle offset value -1.
11522
115232010-01-25  Doug Kwan  <dougkwan@google.com>
11524
11525	* arm.cc (Arm_exidx_merged_section::do_output_offset):
11526	Fix warning due to signed and unsigned comparison on a 32-bit host.
11527
115282010-01-22  Doug Kwan  <dougkwan@google.com>
11529
11530	* arm.cc (Target_arm::do_relax): Record an output section for section
11531	offset adjustment it contains any stub table that has changed.
11532	* layout.cc (Layout::clean_up_after_relaxation): Adjust section
11533	offsets in an output section if necessary.
11534	* output.cc (Output_section::Output_section): Initialize
11535	section_offsets_need_adjustments_.
11536	(Output_section::add_input_section_for_script): Renamed to
11537	Output_section::add_simple_input_section.
11538	(Output_section::save_states): Add a comment.
11539	(Output_section::discard_states): New method defintion.
11540	(Output_section::adjust_section_offsets): Same.
11541	* output.h (Output_section::add_input_section_for_script): Renamed to
11542	Output_section::add_simple_input_section.
11543	(Output_section::discard_states): New method declaration.
11544	(Output_section::adjust_section_offsets): Same.
11545	(Output_section::section_offsets_need_adjustment,
11546	Output_section::set_section_offsets_need_adjustment): New method
11547	definitions.
11548	(Output_section::section_offsets_need_adjustment_): New data member.
11549	* script-sections.cc
11550	(Output_section_element_input::set_section_address): Adjust code for
11551	renaming of Output_section::add_input_section_for_script.
11552	(Orphan_output_section::set_section_address): Same.
11553
115542010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11555
11556	* gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
11557	Fix_v4bx enum values .
11558	* gold/options.h (General_options): New option definitions.
11559	(General_options::fix_v4bx): New method.
11560	(General_options::Fix_v4bx): New enum.
11561	* gold/options.cc (General_options::parse_fix_v4bx): New method.
11562	(General_options::parse_fix_v4bx_interworking): New method.
11563
115642010-01-22  Doug Kwan  <dougkwan@google.com>
11565
11566	* arm.cc (Arm_exidx_fixup): New class.
11567
115682010-01-21  Doug Kwan  <dougkwan@google.com>
11569
11570	* arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
11571	classes.
11572	(Arm_exidx_section_offset_map): New type.
11573
115742010-01-21  Doug Kwan  <dougkwan@google.com>
11575
11576	* arm.cc (Arm_exidx_input_section): New class.
11577	(Arm_relobj::exidx_input_section_by_link,
11578	Arm_relobj::exidx_input_section_by_shndx,
11579	Arm_relobj::make_exidx_input_section): New methods.
11580	(read_arm_attributes_section): Remove.
11581	(Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
11582	information about them.
11583	(Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
11584	to here.
11585
115862010-01-20  Doug Kwan  <dougkwan@google.com>
11587
11588	* arm.cc (Target_arm::Arm_input_section_map): Change key type from
11589	Input_section_specifier to Section_id.
11590	(Target_arm::new_arm_input_section: Adjust code for change of key
11591	type.
11592	(Target_arm::find_arm_input_section): Ditto.
11593	* gc.h (object.h): Include for Section_id nand Section_id_hash.
11594	(Section_id): Remove.
11595	(Garbage_collection::Section_id_hash): Remove.
11596	* icf.h (object.h): Include for Section_id nand Section_id_hash.
11597	(Section_id): Remove.
11598	(Icf::Section_id_hash): Remove.
11599	* object.h (Section_id, Const_section_id, Section_id_hash,
11600	Const_section_id_hash): New type definitions.
11601	* output.cc (Output_section::add_relaxed_input_section): Change to
11602	use Const_section_id instead of Input_section_specifier as key type.
11603	(Output_section::add_merge_input_section): Ditto.
11604	(Output_section::build_relaxation_map): Change to use Section_id
11605	instead of Input_section_specifier as key type.
11606	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
11607	Ditto.
11608	(Output_section::convert_input_sections_to_relaxed_sections): Change
11609	to use Const_section_id instead of Input_section_specifier as key type.
11610	(Output_section::find_merge_section): Ditto.
11611	(Output_section::find_relaxed_input_section): Ditto.
11612	* output.h (Input_section_specifier): Remove class.
11613	(Output_section::Output_section_data_by_input_section_map): Change
11614	key type to Const_section_id.
11615	(Output_section::Output_relaxed_input_section_by_input_section_map):
11616	Ditto.
11617	(Output_section::Relaxation_map): Change key type to Section_id.
11618
116192010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11620
11621	* gold/arm.cc: Added support for R_ARM_V4BX relocation
11622	(class Arm_v4bx_stub): New class.
11623	(DEF_STUBS): Updated definition to support v4_veneer_bx.
11624	(Stub_factory::make_arm_v4bx_stub): New method.
11625	(Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
11626	(Stub_table::empty): Handle v4bx stubs.
11627	(Stub_table::add_arm_v4bx_stub): New method.
11628	(Stub_table::find_arm_v4bx_stub): New method.
11629	(Arm_relocate_functions::v4bx): New method.
11630	(Target_arm::fix_v4bx): New method.
11631	(Target_arm::Target_arm): Handle R_ARM_V4BX.
11632	(Stub_table::relocate_stubs): Likewise.
11633	(Stub_table::do_write): Likewise.
11634	(Stub_table::update_data_size_and_addralign): Likewise.
11635	(Stub_table::finalize_stubs):  Likewise.
11636	(Target_arm::Scan::local): Likewise.
11637	(Target_arm::Scan::global): Likewise.
11638	(Target_arm::do_finalize_sections): Likewise.
11639	(Target_arm::Relocate::relocate): Likewise.
11640	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11641	Likewise.
11642	(Target_arm::scan_reloc_for_stub): Likewise.
11643	(Target_arm::scan_reloc_section_for_stubs): Likewise.
11644
116452010-01-19  Ian Lance Taylor  <iant@google.com>
11646
11647	* output.cc (Output_section_headers::do_sized_write): Write large
11648	segment count to sh_info field.
11649	(Output_file_header::do_sized_write): For large segment count,
11650	write PN_XNUM to e_phnum field.
11651
116522010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11653
11654	* arm.cc (Arm_relocate_functions::thm_jump6): New function.
11655	(Arm_relocate_functions::thm_jump8): New function.
11656	(Arm_relocate_functions::thm_jump11): New function.
11657	(Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
11658	R_ARM_THM_JUMP11.
11659	(Target_arm::Scan::global): Likewise.
11660	(Target_arm::Relocate::relocate): Likewise.
11661	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11662	Likewise.
11663
116642010-01-14  Doug Kwan  <dougkwan@google.com>
11665
11666	* arm.cc (map, utility): Include headers.
11667	(Target_arm::apply_cortex_a8_workaround): New method.
11668	(Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
11669	(Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
11670	(Target_arm::Scan::global): R_ARM_THM_JUMP19.
11671	(Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
11672	the --[no-]fix-cortex-a8 command line options.
11673	(Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
11674	(Target_arm::relocate_stub): Use addend in instruction template.
11675	* options.h (DEFINE_bool): Set the user-set flag.
11676	(General_options): Add --[no-]-fix-cortex options.
11677	* output.cc (Output_section::convert_input_sections_to_relaxed_sections)
11678	: Update fast look-up map after conversion.
11679
116802010-01-14  Sriraman Tallam  <tmsriram@google.com>
11681
11682	* object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
11683	in the first pass of do_layout.
11684
116852010-01-13  Doug Kwan  <dougkwan@google.com>
11686
11687	* arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
11688	Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
11689	apparent compiler problem of not folding static constant integral
11690	data members of elfcpp::Elf_sizes<32>.
11691
116922010-01-13  Doug Kwan  <dougkwan@google.com>
11693
11694	* arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
11695	Arm_relobj::section_needs_cortex_a8_stub_scanning,
11696	Arm_relobj::scan_section_for_cortex_a8_erratum,
11697	Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
11698	(Arm_relobj::scan_sections_for_stubs): Move code deciding what
11699	sections to scan for relocation stubs into a new method
11700	Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
11701	relocation and Cortex-A8 stub scanning.
11702	(Target_arm::do_relax): Force stubs to be after stubbed sections
11703	if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
11704	the beginning of a new relaxation pass.  Update a comment.
11705	(Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
11706
117072010-01-12  Ian Lance Taylor  <iant@google.com>
11708
11709	* target-reloc.h (visibility_error): New inline function.
11710	(relocate_section): Call visibility_error.
11711	* testsuite/Makefile.am (check_DATA): Add protected_3.err.
11712	(MOSTLYCLEANFILES): Likewise.
11713	(protected_4_pic.o, protected_3.err): New targets.
11714	* testsuite/protected_4.cc: New file.
11715
117162010-01-12  Doug Kwan  <dougkwan@google.com>
11717
11718	* arm.cc (Cortex_a8_reloc): New class.
11719	(Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
11720	and cortex_a8_relocs_info_.
11721	(Target_arm::fix_cortex_a8): New method definition.
11722	(Target_arm::Cortex_a8_relocs_info): New type.
11723	(Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
11724	New data member declarations.
11725	(Target_arm::scan_reloc_for_stub): Record information about
11726	relocations for THUMB branches that might be exempted from the
11727	Cortex-A8 workaround.
11728	(Target_arm::do_relax): Clear all Cortex-A8 relocation information
11729	at the beginning of a relaxation pass.
11730
117312010-01-12  Doug Kwan  <dougkwan@google.com>
11732
11733	* arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
11734	(Arm_relobj::Mapping_symbol_position,
11735	 Arm_reloj::Mapping_symbol_position_less,
11736	 Arm_relobj::Mapping_symbols_info): New types.
11737	(Target_arm::is_mapping_symbol_name): New method definition.
11738	(Arm_relobj::do_count_local_symbols): Save information about mapping
11739	symbols.
11740
117412010-01-11  Doug Kwan  <dougkwan@google.com>
11742
11743	* arm.cc (Arm_relocate_functions::thumb32_branch_offset,
11744	Arm_relocate_functions::thumb32_branch_upper,
11745	Arm_relocate_functions::thumb32_branch_lower,
11746	Arm_relocate_functions::thumb32_cond_branch_offset,
11747	Arm_relocate_functions::thumb32_cond_branch_upper,
11748	Arm_relocate_functions::thumb32_cond_branch_lower,
11749	Arm_relocate_functions::thm_jump19): New methods to handle THUMB
11750	branch offset encoding.
11751	(Arm_relocate_functions::thumb_branch_common): Use new branch
11752	offset encoding methods to avoid code duplication.
11753	(Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
11754	(Stub_addend_reader::operator()): Use new branch encoding method
11755	to avoid code duplication.
11756
117572010-01-11  Doug Kwan  <dougkwan@google.com>
11758
11759	* arm.cc (Arm_relobj::do_gc_process_relocs): New method.
11760	(Target_arm::do_finalize_sections): Define special EXIDX section
11761	symbols only if referenced.
11762	* gc.h (Garbage_collection::add_reference): New method.
11763	(gc_process_relocs): Use Garbage_collection::add_reference to avoid
11764	code duplication.
11765
117662010-01-11  Ian Lance Taylor  <iant@google.com>
11767
11768	* script.cc (Version_script_info::build_expression_list_lookup):
11769	Change complaing about duplicate wildcard match from error to
11770	warning.
11771
11772	* script.cc (class Lazy_demangler): Recreate--revert part of patch
11773	of 2009-12-30.
11774	(Version_script_info::Version_script_info): Initialize globs_,
11775	default_version_, default_is_global_, and exact_.  Don't
11776	initialize globals_ or locals_.
11777	(Version_script_info::build_lookup_tables): Build local symbols
11778	first.
11779	(Version_script_info::unquote): New function.
11780	(Version_script_info::add_exact_match): New function.
11781	(Version_script_info::build_expression_list_lookup): Remove lookup
11782	parameter.  Add is_global parameter.  Change all callers.  Handle
11783	wildcard pattern specially.  Unquote pattern.  Call
11784	add_exact_match.
11785	(Version_script_info::get_name_to_match): New function.
11786	(Version_script_info::get_symbol_version): New function.
11787	(Version_script_info::get_symbol_version_helper): Remove.
11788	(Version_script_info::check_unmatched_names): Call unquote.
11789	* script.h (class Version_script_info): Change get_symbol_version
11790	to be non-inline and add is_global parameter; change all callers.
11791	Rewrite symbol_is_local.  Update declarations.  Define struct
11792	Version_tree_match, Exact, Globs.  Don't define struct Lookup.
11793	Remove globals_ and locals_ members.  Add exact_, globs_,
11794	default_version_, is_global_.
11795	(Version_script_info::Glob): Remove pattern, add expression and
11796	is_global.  Update constructor.  Change all callers.
11797	* dynobj.cc (Versions::finalize): Mark the version symbol as the
11798	default version.
11799	(Versions::symbol_section_contents): If a symbol is undefined, or
11800	defined in a dynamic object, set the version index to
11801	VER_NDX_LOCAL.
11802	* symtab.cc (Symbol_table::add_from_relobj): Don't call
11803	symbol_is_local.
11804	(Symbol_table::add_from_pluginobj): Likewise.
11805	* testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
11806
118072010-01-11  Doug Kwan  <dougkwan@google.com>
11808
11809	* Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
11810	(incremental_dump_LDADD): Add linking option for libintl.
11811	* Makefile.in: Regenerate.
11812
118132010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
11814
11815	PR gold/11144
11816	* testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
11817	instead of -Ds.
11818	* testsuite/Makefile.in: Regenerated.
11819
118202010-01-10  Doug Kwan  <dougkwan@google.com>
11821
11822	* options.h (DEFINE_var): Use parentheses around argument varname__
11823	in macro body to avoid any unintended subsequent substitutions.
11824
118252010-01-10  Ian Lance Taylor  <iant@google.com>
11826
11827	* resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
11828	candidates before doing symbol resolution.
11829
11830	* resolve.cc (Symbol_table::resolve): Add symbols to the list of
11831	ODR candidates if only one is weak.
11832
118332010-01-08  Ian Lance Taylor  <iant@google.com>
11834
11835	* script.cc (Version_script_info::build_expression_list_lookup):
11836	Don't warn about ambiguous version, just record the ambiguity.
11837	(Version_script_info::get_symbol_version_helper): Give error if
11838	version is ambiguous.
11839
118402010-01-08  Doug Kwan  <dougkwan@google.com>
11841
11842	* arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
11843	prev_data_size_ and prev_addralign_.  Remove initializer for
11844	deleted data member has_been_changed_.
11845	(Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
11846	to determine if the table is empty.
11847	(Stub_table::has_been_changed, Stub_table_set_has_been_changed):
11848	Remove.
11849	(Stub_table::add_reloc_stub): Define method in class definition
11850	instead of just declaring it there.
11851	(Stub_table::add_cortex_a8_stub): New method definition.
11852	(Stub_table::update_data_size_and_addralign): Ditto.
11853	(Stub_table::finalize_stubs): Ditto.
11854	(Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
11855	(Stub_table::do_addralign_): Return address alignment in the
11856	(Stub_table::do_reset_address_and_file_offset): Define method in
11857	class definition instead of declaring it there.  Set current data
11858	size to be the data size of the previous pass.
11859	(Stub_table::set_final_data_size): Use current data size as the
11860	final data size.
11861	(Stub_table::relocate_stub): Change parameter type of stub from
11862	Reloc_stub pointer to Stub pointer.
11863	(Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
11864	(Stub_table::Cortex_a8_stub_list): New typedef.
11865	(Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
11866	 Stub_table::prev_addralign_): New data member.
11867	(Arm_relobj::Arm_relobj): Initialize data member
11868	section_has_cortex_a8_workaround_.
11869	(Arm_relobj::section_has_cortex_a8_workaround,
11870	 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
11871	 definitions.
11872	(Arm_relobj::section_has_cortex_a8_workaround_): New data member
11873	declarations.
11874	(Target_arm::relocate_stub): Change parameter type of stub from
11875	Reloc_stub pointer to Stub pointer.
11876	(Insn_template::size, Insn_template::alignment): Handle
11877	THUMB16_SPECIAL_TYPE.
11878	(Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
11879	 Stub_table::update_data_size_and_addralign,
11880	 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
11881	definitions.
11882	(Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
11883	(Stub_table::do_write): Ditto.
11884	(Target_arm::do_relax): Adjust code for changes in Stub_table.
11885
118862010-01-08  Ian Lance Taylor  <iant@google.com>
11887
11888	PR 11108
11889	* symtab.h (class Symbol): Remove fields is_target_special_ and
11890	has_plt_offset_.  Add field is_defined_in_discarded_section_.
11891	(Symbol::is_defined_in_discarded_section): New function.
11892	(Symbol::set_is_defined_in_discarded_section): New function.
11893	(Symbol::has_plt_offset): Rewrite.
11894	(Symbol::set_plt_offset): Verify that new offset is not -1U.
11895	* symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
11896	Don't initialize is_target_special_ or has_plt_offset_.
11897	Initialize is_defined_in_discarded_section_.
11898	(Symbol_table::add_from_relobj): If appropriate, set
11899	is_defined_in_discarded_section.
11900	* resolve.cc (Symbol::override_base_with_special): Don't test
11901	is_target_special_.  Change has_plt_offset_ to has_plt_offset().
11902	* target-reloc.h (relocate_section): Do special handling for
11903	symbols defined in discarded sections for global symbols as well
11904	as local symbols.
11905
119062010-01-08  Ian Lance Taylor  <iant@google.com>
11907
11908	* dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
11909	the SHT_SYMTAB case.
11910
119112010-01-08  Ian Lance Taylor  <iant@google.com>
11912
11913	* object.cc (Sized_relobj::do_layout): Don't get confused if
11914	layout_eh_frame returns NULL.
11915
119162010-01-08  Ian Lance Taylor  <iant@google.com>
11917
11918	PR 11084
11919	* dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
11920	dynamic symbol table, use the normal symbol table.
11921	(Sized_dynobj::do_read_symbols): Remove assertion about type of
11922	symbol table.
11923
119242010-01-08  Ian Lance Taylor  <iant@google.com>
11925
11926	PR 11072
11927	* layout.cc (Layout::include_section): Remove .gnu_debuglink
11928	sections.
11929
119302010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
11931
11932	* version.cc (print_version): Change to "Copyright 2010".
11933
119342010-01-08  Ian Lance Taylor  <iant@google.com>
11935
11936	PR 10287
11937	PR 11063
11938	* i386.cc (class Target_i386): Change return type of plt_section
11939	to be non-const.
11940	(class Output_data_plt_i386): Add tls_desc_rel_ field.
11941	(Output_data_plt_i386::Output_data_plt_i386): Initialize
11942	tls_desc_rel_ field.
11943	(Output_data_plt_i386::rel_tls_desc): New function.
11944	(Target_i386::rel_tls_desc_section): New function.
11945	(Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
11946	(Target_i386::Scan::global): For R_386_TLS_GOTDESC put
11947	R_386_TLS_DESC reloc in rel_tls_desc_section.
11948	* x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
11949	Define struct Tlsdesc_info.
11950	(Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
11951	(Target_x86_64::do_reloc_symbol_index): New function.
11952	(Target_x86_64::add_tlsdesc_info): New function.
11953	(class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
11954	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
11955	tlsdesc_rel_ field.
11956	(Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
11957	all callers.
11958	(Output_data_plt_x86_64::rela_tlsdesc): New function.
11959	(Target_x86_64::rela_tlsdesc_section): New function.
11960	(Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
11961	handling.
11962	(Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
11963	(Target_x86_64::do_reloc_addend): New function.
11964	R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
11965	* output.h (class Output_reloc) [SHT_REL]: Add new constructor
11966	declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
11967	(Output_reloc::type): New function.
11968	(Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
11969	(Output_reloc::is_target_specific): New function.
11970	(Output_reloc::target_arg): New function.
11971	(class Output_reloc) [SHT_RELA]: Add four new constructors for
11972	absolute relocs and target specific relocs.
11973	(class Output_data_reloc) [SHT_REL]: Add add_absolute and
11974	add_target_specific.
11975	(class Output_data_reloc) [SHT_RELA]: Likewise.
11976	* output.cc (Output_reloc::Output_reloc): Add four new versions
11977	for absolute relocs and target specific relocs.
11978	(Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
11979	(Output_reloc::get_symbol_index): Likewise.
11980	(Output_reloc::local_section_offset): Check that local_sym_index_
11981	is not TARGET_CODE or 0.
11982	(Output_reloc::symbol_value): Likewise.
11983	(Output_reloc::write) [SHT_RELA]: Call target for target specific
11984	reloc.
11985	* target.h (class Target): Add reloc_symbol_index and reloc_addend
11986	functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
11987	functions.
11988	* layout.cc (add_target_dynamic_tags): Use output section for
11989	DT_PLTRELSZ and DT_JMPREL.
11990
119912010-01-07  Ian Lance Taylor  <iant@google.com>
11992
11993	PR 11061
11994	* output.h (class Output_reloc) [SHT_RELA]: Add is_relative
11995	function.
11996	(class Output_data_reloc_generic): Define.
11997	(class Output_data_reloc_base): Change base class to
11998	Output_data_reloc_generic.  Change add() method to call
11999	bump_relative_reloc_count for a relative reloc.  Remove
12000	sort_relocs_ field.
12001	* output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
12002	to sort_relocs().
12003	* layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
12004	Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
12005	appropriate.
12006	* layout.h (class Layout): Update declaration.
12007
120082010-01-07  Ian Lance Taylor  <iant@google.com>
12009
12010	* output.h (class Output_data): Add const version of
12011	output_section and do_output_section.
12012	(class Output_section_data): Add const version of
12013	do_output_section.
12014	(class Output_section): Likewise.
12015	* layout.cc (Layout::add_target_dynamic_tags): New function.
12016	* layout.h (class Layout): Update declarations.
12017	* arm.cc (Target_arm::do_finalize_sections): Use
12018	add_target_dynamic_tags.
12019	* i386.cc (Target_i386::do_finalize_sections): Likewise.
12020	* powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
12021	* sparc.cc (Target_sparc::do_finalize_sections): Likewise.
12022	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
12023
120242010-01-07  Ian Lance Taylor  <iant@google.com>
12025
12026	PR 11042
12027	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
12028	object as needed.
12029
120302010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
12031	    Ian Lance Taylor  <iant@google.com>
12032
12033	PR 11019
12034	* object.cc: Instantiate Xindex::initialize_symtab_xindex and
12035	Xindex::read_symtab_xindex.
12036
120372010-01-07  Doug Kwan  <dougkwan@google.com>
12038
12039	* arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
12040	(Insn_template::thumb16_bcond_insn): New method declaration.
12041	(Insn_template): Fix spelling.
12042	(Stub::thumb16_special): New method declaration.
12043	(Stub::do_write): Define virtual method which was previously pure
12044	virtual.
12045	(Stub::do_thumb16_special): New method declaration.
12046	(Stub::do_fixed_endian_write): New template member.
12047	(Reloc_stub::do_write): Remove.
12048	(Reloc_stub::do_fixed_endian_write): Remove.
12049	(Cortex_a8_stub): New class definition.
12050	(Stub_factory::make_cortex_a8_stub): New method definition.
12051	(Stub_factory::Stub_factory): Add missing static storage class
12052	qualifier for elf32_arm_stub_a8_veneer_blx.
12053
120542010-01-07  Ian Lance Taylor  <iant@google.com>
12055
12056	PR 10980
12057	* options.h (class General_options): Add --warn-unresolved-symbols
12058	and --error-unresolved-symbols.
12059	* errors.cc (Errors::undefined_symbol): Implement
12060	--warn-unresolved-symbols.
12061
12062	* options.h (class General_options): Add -z text and -z textoff.
12063	* layout.cc (Layout::finish_dynamic_section): Implement -z text.
12064
120652010-01-06  Sriraman Tallam  <tmsriram@google.com>
12066
12067	* gc.h (Garbage_collection::Cident_section_map): New typedef.
12068	(Garbage_collection::cident_sections): New function.
12069	(Garbage_collection::add_cident_section): New function.
12070	(Garbage_collection::cident_sections_): New member.
12071	(gc_process_relocs): Add references to sections whose names are C
12072	identifiers.
12073	* gold.h (cident_section_start_prefix): New constant.
12074	(cident_section_stop_prefix): New constant.
12075	(is_cident): New function.
12076	* layout.cc (Layout::define_section_symbols): Replace string constants
12077	with the newly defined constants.
12078	* object.cc (Sized_relobj::do_layout): Track sections whose names are
12079	C identifiers.
12080	* testsuite/Makefile.am: Add gc_orphan_section_test.
12081	* testsuite/Makefile.in: Regenerate.
12082	* testsuite/gc_orphan_section_test.cc: New file.
12083	* testsuite/gc_orphan_section_test.sh: New file.
12084
120852010-01-06  Ian Lance Taylor  <iant@google.com>
12086
12087	PR 10980
12088	* options.h (class General_options): Add --warn-shared-textrel.
12089	* layout.cc (Layout::finish_dynamic_section): Implement
12090	--warn-shared-textrel.
12091
12092	PR 10980
12093	* options.h (class General_options): Add --warn-multiple-gp.
12094
120952010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
12096
12097	* Makefile.am (incremental_dump_DEPENDENCIES): Remove
12098	$(THREADSLIB) and $(LIBDL).
12099	* Makefile.in: Rebuild.
12100
121012010-01-06  Ian Lance Taylor  <iant@google.com>
12102
12103	PR 10980
12104	* options.cc (General_options::parse_section_start): New function.
12105	(General_options::section_start): New function.
12106	(General_options::General_options): Initialize all members.
12107	* options.h: Include <map>
12108	(class General_options): Add --section-start.  Add section_starts_
12109	member.
12110	* layout.cc (Layout::attach_allocated_section_to_segment): If
12111	--section-start was used, set the address of the segment.  Remove
12112	local sort_sections.
12113	(Layout::relaxation_loop_body): If the address of the load segment
12114	has been set by --section-start, don't use it.
12115	* output.h (Output_segment::update_flags_for_output_section): New
12116	function.
12117	* output.cc (Output_segment::add_output_section): Call
12118	update_flags_for_output_section.
12119
121202010-01-05  Ian Lance Taylor  <iant@google.com>
12121
12122	PR 10980
12123	* options.h (class General_options): Add --undefined-version.
12124	* script.cc (struct Version_expression): Add was_matched_by_symbol
12125	field.
12126	(Version_script_info::matched_symbol): New function.
12127	(Version_script_info::get_symbol_version_helper): Call
12128	matched_symbol.
12129	(Version_script_info::check_unmatched_names): New function.
12130	* script.h (class Version_script_info): Update declarations.
12131	* gold.cc (queue_middle_tasks): Handle --no-undefined-version.
12132
12133	* options.h (class General_options): Use DEFINE_bool_alias for
12134	allow_multiple_definition.
12135	* resolve.cc (Symbol_table::should_override): Don't test
12136	allow_multiple_definition.
12137
12138	PR 10980
12139	* options.h (class General_options): Add --cref.
12140	* main.cc (main): Print cref table if --cref.  Don't close mapfile
12141	until after printing cref table.
12142	* cref.cc: Include "symtab.h".
12143	(class Cref_inputs): Define Cref_table_compare and Cref_table.
12144	(Cref_table_compare::operator()): New function.
12145	(Cref_inputs::gather_cref): New function.
12146	(filecol): New static const.
12147	(Cref_inputs::print_cref): New function.
12148	(Cref::print_cref): New function.
12149	* cref.h: Include <cstdio>.
12150	(class Cref): Update declarations.
12151	* mapfile.h (Mapfile::file): New function.
12152	* object.h (class Object): Define Symbols.  Declare virtual
12153	do_get_global_symbols.
12154	(Object::get_global_symbols): New function.
12155	* object.cc (Input_objects::add_object): Pass object to cref_ if
12156	--cref.
12157	(Input_objects::archive_start): Likewise.
12158	(Input_objects::archive_stop): Likewise.
12159	(Input_objects::print_cref): New function.
12160	* dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
12161	* dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
12162	--cref.
12163	* plugin.cc (Sized_pluginobj::do_get_global_symbols): New
12164	function.
12165	* plugin.h (class Sized_pluginobj): Update declarations.
12166
121672010-01-05  Ian Lance Taylor  <iant@google.com>
12168
12169	* symtab.cc (Symbol_table::add_from_object): Rename def parameter
12170	to is_default_version.  Rename insdef to insdefault.
12171	(Symbol_table::add_from_relobj): Rename def to is_default_version
12172	and local to is_forced_local.
12173	(Symbol_table::add_from_pluginobj): Likewise.
12174	(Symbol_table::add_from_dynobj): Likewise.
12175	(Symbol_table::define_special_symbol): Rename insdef to
12176	insdefault.
12177
121782010-01-04  Ian Lance Taylor  <iant@google.com>
12179
12180	PR 10980
12181	* options.h (class General_options): Add
12182	--allow-multiple-definition and -z muldefs.
12183	* resolve.cc (Symbol_table::should_override): Don't warn about a
12184	multiple symbol definition if --allow-multiple-definition or -z
12185	muldefs.
12186
12187	PR 10980
12188	* options.h (class General_options): Add --add-needed and
12189	--copy-dt-needed-entries.  Tweak --as-needed help entry.
12190	* object.cc (Input_objects::check_dynamic_dependencies): Give an
12191	error if --copy-dt-needed-entries aka --add-needed is used and
12192	would cause a change in behaviour.
12193
12194	PR 10980
12195	* options.h (class General_options): Add -G as a short version of
12196	--shared.  Add no-op options -assert, -g, and -i.
12197
121982010-01-04  Sriraman Tallam  <tmsriram@google.com>
12199
12200	* gc.h (gc_process_relocs): Call is_section_foldable_candidate to
12201	check for .text or .gnu.linkonce.t sections.
12202	* icf.cc (Icf::find_identical_sections): Ditto.
12203	Change the detection for mangled function name within the section
12204	name.
12205	* icf.h (is_section_foldable_candidate): New function.
12206
122072009-12-30  Ian Lance Taylor  <iant@google.com>
12208
12209	PR 10980
12210	* options.h (class General_options): Permit two dashes with
12211	--retain-symbols-file.
12212
122132009-12-30  Ian Lance Taylor  <iant@google.com>
12214
12215	PR 10979
12216	* layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
12217	don't put the file header and segment headers in the text
12218	segment.
12219
12220	PR 10979
12221	* common.cc (Sort_commons::operator()): Stabilize sort when both
12222	entries are NULL.
12223	(Symbol_table::do_allocate_commons_list): When allocating common
12224	symbols, skip a symbol which is no longer common.
12225	* symtab.h (Symbol::is_common): Test whether the symbol comes from
12226	an object before checking its type.
12227	* testsuite/common_test_2.c: New file.
12228	* testsuite/common_test_3.c: New file.
12229	* testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
12230	(common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
12231	(common_test_2_LDFLAGS, common_test_2_LDADD): Define.
12232	(common_test_2_pic.o, common_test_2.so): New targets.
12233	(common_test_3_pic.o, common_test_3.so): New targets.
12234	* testsuite/Makefile.in: Rebuild.
12235
12236	PR 10979
12237	* script.cc (read_input_script): If we see a new SECTIONS clause,
12238	and we have added an input section, give an error.
12239	* layout.h (class Layout): Add have_added_input_section function.
12240	Add have_added_input_section_ field.
12241	* layout.cc (Layout::Layout): Initialize
12242	have_added_input_section_.
12243	(Layout::layout): Set have_added_input_section_.
12244	(Layout::layout_eh_frame): Likewise.
12245
122462009-12-30  Ian Lance Taylor  <iant@google.com>
12247
12248	PR 10931
12249	* options.h (class General_options): Add --sort-common option.
12250	* symtab.h (class Symbol_table): Define Sort_commons_order enum.
12251	* common.cc (Sort_common): Add sort_order parameter to
12252	constructor.  Add sort_order_ field.
12253	(Sort_commons::operator): Check sort_order_.
12254	(Symbol_table::allocate_commons): Determine the sort order.
12255	(Symbol_table::do_allocate_commons): Add sort_order parameter.
12256	Change all callers.
12257	(Symbol_table::do_allocate_commons_list): Likewise.
12258
122592009-12-30  Ian Lance Taylor  <iant@google.com>
12260
12261	PR 10916
12262	* symtab.cc (Symbol_table::add_from_relobj): When not exporting
12263	symbols from this object, don't change the visibility of an
12264	undefined symbol.
12265	* testsuite/exclude_libs_test_1.c (lib1_ref): New function.
12266
122672009-12-30  Ian Lance Taylor  <iant@google.com>
12268
12269	PR 10861
12270	* script.h (class Version_script_info): Define Language enum.
12271	Update declarations.  Define Glob, Exact, and Lookup types.  Add
12272	new fields globals_, locals_, and is_finalized_.
12273	* script.cc: Various formatting fixes.
12274	(class Parser_closure): Change language_stack_ from a vector of
12275	std::string to one of Version_script_info::Language.  Adjust all
12276	uses accordingly.
12277	(class Lazy_demangler): Remove.
12278	(struct Version_expression): Change language from std::string to
12279	Version_script_info::Language.
12280	(Version_script_info::Version_script_info): New function.
12281	(Version_script_info::~Version_script_info): Don't call clear.
12282	(Version_script_info::finalize): New function.
12283	(Version_script_info::build_lookup_tables): New function.
12284	(Version_script_info::build_expression_list_lookup): New
12285	function.
12286	(Version_script_info::get_symbol_version_helper): Rewrite to use
12287	lookup tables.
12288	(Version_script_info::print_expression_list): Adjust to use
12289	Version_script_info::Language.
12290	(script_push_lex_into_version_mode): Check that the version script
12291	has not been finalized.
12292	(version_script_push_lang): Change language string to
12293	Version_script_info::Language.
12294	* options.cc (Command_line::version_script): New function.
12295	* options.h (class General_options): Add finalize_dynamic_list
12296	function.  Change version_script from declaration to definition.
12297	* testsuite/ver_test_4.script: Remove duplicate def of t2_2.
12298	* testsuite/version_script.map: Remove duplicate def of foo.
12299	* testsuite/Makefile.am (ver_matching_def.so): Depend upon
12300	version_script.map.
12301	* testsuite/Makefile.in: Rebuild.
12302
123032009-12-30  Ian Lance Taylor  <iant@google.com>
12304
12305	PR 10843
12306	* target-reloc.h (relocate_for_relocatable): When copying a reloc,
12307	if the input symbol index is 0, make the output symbol index 0.
12308
123092009-12-30  Ian Lance Taylor  <iant@google.com>
12310
12311	PR 10670
12312	* options.h (class General_options): Add -x/--discard-all.
12313	* object.cc (Sized_relobj::do_count_local_symbols): Handle
12314	--discard-all.  If the local symbol needs a dynamic entry, check
12315	that before handling --discard-locals.
12316
123172009-12-30  Ian Lance Taylor  <iant@google.com>
12318
12319	PR 10450
12320	* output.cc (Output_segment::Output_segment): If PT_TLS, set the
12321	flags to PF_R.
12322	(Output_segment::add_output_section): Don't change the flags if
12323	the type is PT_TLS.
12324
12325	PR 10450
12326	* dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
12327	GNU hash table if they need a dynamic value.  Otherwise, don't add
12328	them if they are defined in a dynamic object or are forced local.
12329
123302009-12-29  Ian Lance Taylor  <iant@google.com>
12331
12332	PR 10450
12333	* layout.cc (Layout::create_dynamic_symtab): Only set entsize of
12334	.gnu.hash table for a 32-bit target.
12335
12336	PR 10450
12337	* symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
12338	regular and a dynamic object only needs a dynamic symbol table
12339	entry if it is externally visible.
12340
12341	PR 10450
12342	* i386.cc (class Target_i386): Initialize global_offset_table_ in
12343	constructor.  Add global_offset_table_ field.
12344	(Target_i386::got_section): Set global_offset_table_.
12345	(Target_i386::do_finalize_sections): Set global_offset_table_
12346	size.
12347	* x86_64.cc (class Target_x86_64): Initialize global_offset_table_
12348	in constructor.  Add global_offset_table_ field.
12349	(Target_x86_64::got_section): Set global_offset_table_.
12350	(Target_x86_64::do_finalize_sections): Set global_offset_table_
12351	size.
12352
12353	* layout.cc (Layout::Layout): Initialize increase_relro_.
12354	(Layout::get_output_section): Add is_relro, is_last_relro, and
12355	is_first_non_relro parameters.  Change all callers.
12356	(Layout::choose_output_section): Likewise.
12357	(Layout::add_output_section_data): Likewise.
12358	(Layout::make_output_section): Likewise.
12359	(Layout::set_segment_offsets): Clear increase_relro when using a
12360	linker script.
12361	* layout.h (class Layout): Add increase_relro method.  Add
12362	increase_relro_ field.  Update declarations.
12363	* output.cc (Output_section::Output_section): Initialize
12364	is_last_relro_ and is_first_non_relro_.
12365	(Output_segment::add_output_section): Group relro sections is
12366	do_sort is true.  Handle is_last_relro and is_first_non_relro.
12367	(Output_segment::maximum_alignment): Remove relro handling.
12368	(Output_segment::set_section_addresses): Add increase_relro
12369	parameter.  Change all callers.  Add initial alignment to align
12370	relro sections on separate page.  Remove old relro handling.
12371	(Output_segment::set_section_list_addresses): Remove in_relro
12372	parameter.  Change all callers.
12373	(Output_segment::set_offset): Add increase parameter.  Change all
12374	callers.  Remove old relro handling.
12375	* output.h (class Output_section): Add new methods: is_last_relro,
12376	set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
12377	Add is_last_relro_ and is_first_non_relro_ fields.
12378	* i386.cc (Target_i386::got_section): Don't call set_is_relro.
12379	Create separate .got.plt section.  Call increase_relro.
12380	* x86_64.cc (Target_x86_64::got_section): Likewise.
12381	* testsuite/relro_script_test.t: Add .got.plt.
12382
12383	PR 10450
12384	* layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
12385	(Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
12386	(Layout::finalize): Call set_dynamic_symbol_size.
12387	(Layout::set_dynamic_symbol_size): New function.
12388	* layout.h (class Layout): Add dynamic_symbol_ field.  Declare
12389	set_dynamic_symbol_size.
12390
12391	PR 10450
12392	* output.h (class Output_section): Add is_entsize_zero_ field.
12393	* output.cc (Output_section::Output_section): Initialize
12394	is_entsize_zero_.
12395	(Output_section::set_entsize): If two different entsizes are
12396	requested, force it to zero.
12397	(Output_section::add_input_section): Set flags for .debug_str
12398	before updating section flags.  Set entsize.
12399	(Output_section::update_flags_for_input_section): Set SHF_MERGE
12400	and SHF_STRING if all input sections have those flags.
12401
124022009-12-29   Rafael Espindola  <espindola@google.com>
12403
12404	* main.cc (main): Fix the sys time reporting.
12405	* workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
12406	reporting.
12407
124082009-12-29  Sriraman Tallam  <tmsriram@google.com>
12409
12410	* options.cc (General_options::parse_version): Allow -v to exit
12411	without an error if there is nothing to link.
12412
124132009-12-29  Ian Lance Taylor  <iant@google.com>
12414
12415	* configure.ac: Set the MCMODEL_MEDIUM conditional to false if
12416	using a version of gcc before 4.1.
12417	* configure: Rebuild.
12418
124192009-12-28  Chris Demetriou  <cgd@google.com>
12420
12421	* attributes.cc (Output_attributes_section_data::do_write): Use
12422	std::vector::front rather than std::vector::data.
12423
124242009-12-28  Ian Lance Taylor  <iant@google.com>
12425
12426	* symtab.h (class Symbol_table): Add enum Defined.
12427	* resolve.cc (Symbol_table::should_override): Add defined
12428	parameter.  Change all callers.  Test whether object is NULL
12429	before calling a method on it.
12430	(Symbol_table::report_resolve_problem): Add defined parameter.
12431	Change all callers.
12432	(Symbol_table::should_override_with_special): Likewise.
12433	* symtab.cc (Symbol_table::define_in_output_data): Add defined
12434	parameter.  Change all callers.
12435	(Symbol_table::do_define_in_output_data): Likewise.
12436	(Symbol_table::define_in_output_segment): Likewise.
12437	(Symbol_table::do_define_in_output_segment): Likewise.
12438	(Symbol_table::define_as_constant): Likewise.
12439	(Symbol_table::do_define_as_constant): Likewise.
12440	* script.h (class Symbol_assignment): Add is_defsym parameter to
12441	constructor; change all callers.
12442	* script.cc (Script_options::add_symbol_assignment): Add is_defsym
12443	parameter.  Change all callers.  Add is_defsym_ field.
12444	(class Parser_closure): Add parsing_defsym parameter to
12445	constructor; change all callers.  Add parsing_defsym accessor
12446	function.  Add parsing_defsym_ field.
12447
124482009-12-28  Ian Lance Taylor  <iant@google.com>
12449
12450	* gold.cc (queue_middle_tasks): Fix formatting.
12451	* object.cc (Relobj::is_section_name_included): Likewise.
12452
124532009-12-23  Ian Lance Taylor  <iant@google.com>
12454
12455	* i386.cc (Target_i386::do_calls_non_split): Recognize
12456	-fsplit-stack prologue for a function with a static chain.
12457	* x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
12458	-fsplit-stack prologue when using %r11.
12459
124602009-12-21  Sriraman Tallam  <tmsriram@google.com>
12461
12462	* options.cc (General_options::parse_version): Make -v continue and do
12463	the link like GNU ld does.
12464
124652009-12-17  Rafael Avila de Espindola  <espindola@google.com>
12466
12467	* Makefile.am (CCFILES): Add timer.cc.
12468	(HFILES): Add timer.h.
12469	* configure.ac: Check for sysconf and times.
12470	* main.cc: include timer.h.
12471	(main): Use Timer instead of get_run_time.
12472	* timer.cc: New.
12473	* timer.h: New.
12474	* workqueue.cc: include timer.h.
12475	(Workqueue::find_and_run_task):
12476	Report user, sys and wall time.
12477	* Makefile.in: Regenerate.
12478	* config.in: Regenerate.
12479	* configure: Regenerate.
12480
124812009-12-16  Doug Kwan  <dougkwan@google.com>
12482
12483	* arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
12484	sections.
12485	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle
12486	relaxed input sections.
12487	* output.cc (Output_section::find_relaxed_input_section): Change
12488	return type to Output_relaxed_input_section pointer.  Adjust code
12489	for new type of relaxed_input_section_map_.
12490	* output.h (Output_section::find_relaxed_input_section): Change
12491	return type to Output_relaxed_input_section pointer.
12492	(Output_section::Output_relaxed_input_section_by_input_section_map):
12493	New type.
12494	(Output_section::relaxed_input_section_map_): Change type to
12495	Output_section::Output_relaxed_input_section_by_input_section_map.
12496	* symtab.cc (Symbol_table::compute_final_value): Handle relaxed
12497	input section.
12498
124992009-12-15  Ian Lance Taylor  <iant@google.com>
12500
12501	* layout.cc (Layout::create_shstrtab): Only write out after input
12502	sections if we are compressing debug sections.
12503
125042009-12-15  Ian Lance Taylor  <iant@google.com>
12505
12506	* archive.cc (Archive::add_symbols): Only look up a symbol without
12507	a version if there is, in fact, a version.
12508
125092009-12-14  Ian Lance Taylor  <iant@google.com>
12510
12511	Revert -Wshadow changes, all changes from:
12512	2009-12-11  Doug Kwan  <dougkwan@google.com>
12513	2009-12-11  Nick Clifton  <nickc@redhat.com>
12514	* configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
12515
125162009-12-11  Doug Kwan  <dougkwan@google.com>
12517
12518	* arm.cc (Target_arm::do_finalize_sections): Fix build breakage
12519	due to -Wshadow.
12520	* attributes.cc (Object_attribute::size): Ditto.
12521	(Attributes_section_data::size): Ditto.
12522	(Attributes_section_data::Attributes_section_data): Ditto.
12523	(Output_attributes_section_data::do_write): Ditto.
12524	* attributes.h (Object_attribute::set_type): Ditto.
12525	* testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
12526
125272009-12-11  Nick Clifton  <nickc@redhat.com>
12528
12529	* archive.cc: Fix shadowed variable warnings.
12530	* arm.cc: Likewise.
12531	* compressed_output.cc: Likewise.
12532	* compressed_output.h: Likewise.
12533	* configure: Likewise.
12534	* dwarf_reader.cc: Likewise.
12535	* dynobj.cc: Likewise.
12536	* dynobj.h: Likewise.
12537	* ehframe.cc: Likewise.
12538	* ehframe.h: Likewise.
12539	* errors.cc: Likewise.
12540	* expression.cc: Likewise.
12541	* fileread.cc: Likewise.
12542	* fileread.h: Likewise.
12543	* freebsd.h: Likewise.
12544	* i386.cc: Likewise.
12545	* icf.cc: Likewise.
12546	* incremental.h: Likewise.
12547	* layout.cc: Likewise.
12548	* layout.h: Likewise.
12549	* mapfile.cc: Likewise.
12550	* merge.cc: Likewise.
12551	* merge.h: Likewise.
12552	* object.cc: Likewise.
12553	* object.h: Likewise.
12554	* options.h: Likewise.
12555	* output.cc: Likewise.
12556	* output.h: Likewise.
12557	* parameters.cc: Likewise.
12558	* plugin.cc: Likewise.
12559	* powerpc.cc: Likewise.
12560	* reduced_debug_output.cc: Likewise.
12561	* reduced_debug_output.h: Likewise.
12562	* reloc.cc: Likewise.
12563	* reloc.h: Likewise.
12564	* resolve.cc: Likewise.
12565	* script-sections.cc: Likewise.
12566	* script.cc: Likewise.
12567	* script.h: Likewise.
12568	* sparc.cc: Likewise.
12569	* symtab.cc: Likewise.
12570	* symtab.h: Likewise.
12571	* target-select.cc: Likewise.
12572	* target-select.h: Likewise.
12573	* token.h: Likewise.
12574	* workqueue.cc: Likewise.
12575	* workqueue.h: Likewise.
12576	* x86_64.cc: Likewise.
12577
125782009-12-10  Doug Kwan  <dougkwan@google.com>
12579
12580	* arm.cc (attributes.h): New include.
12581	(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
12582	(Arm_relobj::~Arm_relobj): Delete object pointed by
12583	attributes_section_data_.
12584	(Arm_relobj::attributes_section_data): New method definition.
12585	(Arm_relobj::attributes_section_data_): New data member declaration.
12586	(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
12587	(Arm_dynobj::~Arm_dynobj): Delete object pointed by
12588	attributes_section_data_.
12589	(Arm_dynobj::attributes_section_data): New method definition.
12590	(Arm_dynobj::attributes_section_data_): New data member declaration.
12591	(Target_arm::Target_arm): Initialize attributes_section_data_.  Change
12592	initialization value of may_use_blx_ to false.
12593	(Target_arm::using_thumb2, Target_arm::using_thumb_only,
12594	Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
12595	object attributes to compute results instead of hard-coding.
12596	(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
12597	Target_arm::get_secondary_compatible_arch,
12598	Target_arm::set_secondary_compatible_arch
12599	Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
12600	Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
12601	New method declarations.
12602	(Target_arm::get_aeabi_object_attribute): New method definition.
12603	(Target_arm::attributes_section_data_): New data member declaration.
12604	(read_arm_attributes_section): New template definition.
12605	(Arm_relobj::do_read_symbols): Read attributes section if it exists.
12606	(Arm_dynobj::do_read_symbols): Ditto.
12607	(Target_arm::do_finalize_sections): Merge attributes sections from
12608	input.  Check for BLX use after attributes section merging.
12609	Fix __exidx_start and __exidx_end visibility.  Create an
12610	.ARM.attributes section if necessary.
12611	(Target_arm::get_secondary_compatible_arch,
12612	Target_arm::set_secondary_compatible_arch,
12613	Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
12614	Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
12615	Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
12616	New method definitions.
12617
126182009-12-09  Ian Lance Taylor  <iant@google.com>
12619
12620	* plugin.cc (Plugin::load): Don't cast from void* to a function
12621	pointer.
12622
126232009-12-09  Ian Lance Taylor  <iant@google.com>
12624
12625	* dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
12626	information fields.
12627
126282009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
12629
12630	* testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
12631	Replace two_file_shared_1.so with two_file_shared_2.so.
12632	* testsuite/Makefile.in: Regenerated.
12633
126342009-12-08  Doug Kwan  <dougkwan@google.com>
12635
12636	* Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
12637	(HFILES): Add attributes.h and int_encoding.h.
12638	* Makefile.in: Regenerate.
12639	* dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
12640	function definitions to int_encoding.cc
12641	* dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
12642	prototypes to int_encoding.h
12643	* reduced_debug_output.cc (int_encoding.h): New include.
12644	(write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
12645	function definitions to int_encoding.cc
12646	(insert_into_vector, read_from_pointer): Move template definitions to
12647	int_encoding.h
12648	* attributes.cc: New file.
12649	* attributes.h: New file.
12650	* int_encoding.cc: New file.
12651	* int_encoding.h: New file.
12652
126532009-12-07  Rafael Avila de Espindola  <espindola@google.com>
12654
12655	PR gold/11055
12656	* incremental-dump.cc (dump_incremental_inputs): New.
12657	(main): Use dump_incremental_inputs.
12658
126592009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
12660
12661	PR gold/10893
12662	* i386.cc (Target_i386::Scan::globa): Use is_func instead of
12663	checking elfcpp::STT_FUNC.
12664	(Target_i386::Relocate::relocate): Likewise.
12665	* x86_64.cc (Target_x86_64::Scan::global): Likewise.
12666
12667	* symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
12668	symbols from shared libraries into normal FUNC symbols.
12669
12670	* symtab.h (Symbol): Add is_func and use it.
12671
126722009-12-05  Doug Kwan  <dougkwan@google.com>
12673
12674	* arm.cc (Target_arm::arm_info): Initialize new fields
12675	attributes_section and attributes_vendor.
12676	* i386.cc (Target_i386::i386_info): Same.
12677	* object.cc (Sized_relobj::do_layout): Skip attribute section.
12678	* gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
12679	fields attributes_section and attributes_vendor.
12680	* sparc.cc (Target_sparc::sparc_info): Same.
12681	* target.h (Target::attributes_section, Target::attributes_vendor,
12682	Target::is_attributes_section, Target::attribute_arg_type,
12683	Target::attributes_order): New method definitions.
12684	(Target::Target_info::attributes_section,
12685	Target::Target_info::attributes_vendor): New fields.
12686	(Target::do_attribute_arg_type, Target::do_attributes_order): New
12687	virtual method definitions.
12688	* x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
12689	attributes_section and attributes_vendor.
12690	* testsuite/testfile.cc (Target_test::test_target_info): Same.
12691
126922009-12-05  Doug Kwan  <dougkwan@google.com>
12693
12694	* arm.cc: Update comments about interworking and stub generation.
12695	(Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
12696	considered as non-PIC.
12697	(Arm_relocate_functions::base_abs): Fix formatting.
12698	(Arm_relocate_functions::got_prel): Fix comment.  Change interface
12699	of function to use GOT entry address instead of offset.
12700	(Target_arm::Scan::global): Issue an error if a symbol would need a
12701	PLT does not get one because it is untyped.  Remove code to create
12702	dynamic symbols for relative branches.
12703	(Target_arm::Relocate::relocate: Use 0 instead of false since function
12704	takes unsigned integer instead of boolean.
12705
127062009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
12707
12708	* testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
12709	(two_file_test_LDADD): Likewise.
12710	(common_test_1_LDADD): Likewise.
12711	(exception_test_LDADD) Likewise.
12712	(weak_test_LDADD): Likewise.
12713	(many_sections_test_LDADD): Likewise.
12714	(initpri1_LDADD): Likewise.
12715	(script_test_1_LDADD): Likewise.
12716	(script_test_2_LDADD): Likewise.
12717	(justsyms_LDADD): Likewise.
12718	(binary_test_LDADD): Likewise.
12719	(large_LDADD): Likewise.
12720	* testsuite/Makefile.in: Regenerated.
12721
127222009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
12723
12724	* resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
12725	(Symbol_table::override_with_special): Likewise.
12726	(Symbol_table::add_from_object): Likewise.
12727
127282009-12-04  Rafael Avila de Espindola  <espindola@google.com>
12729
12730	* incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
12731	Don't set the data_offset twice.
12732
127332009-12-04  Rafael Avila de Espindola  <espindola@google.com>
12734
12735	* testsuite/Makefile.in: Regenerate.
12736
127372009-12-03  Doug Kwan  <dougkwan@google.com>
12738
12739	* arm.cc: Remove comment about missing .ARM.exidx section symbols.
12740	(Target_arm::do_finalize_sections): Add parameter for symbol table
12741	pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
12742	* i386.cc (Target_i386::do_finalize_sections): Add an additional
12743	parameter for symbol table pointer.
12744	* layout.cc (Layout::finalize): Call Target::finalize_sections with
12745	an additional parameter for a pointer to symbol table.
12746	* powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
12747	parameter for a symbol table pointer.
12748	* sparc.cc (Target_sparc::do_finalize_sections): Ditto.
12749	* target.h (Target::finalize_sections, Target::do_finalize_sections):
12750	Ditto.
12751	* x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
12752	parameter for a symbol table pointer.
12753
127542009-12-03  Rafael Avila de Espindola  <espindola@google.com>
12755
12756	* incremental.cc (Incremental_inputs_header)
12757	(Incremental_inputs_header_write, Incremental_inputs_entry)
12758	(Incremental_inputs_entry_write): Move ...
12759	* incremental.h (Incremental_inputs_header)
12760	(Incremental_inputs_header_write, Incremental_inputs_entry)
12761	(Incremental_inputs_entry_write): here.
12762
127632009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12764
12765	* incremental.cc (make_sized_incremental_binary): Set the target.
12766	Error if it is incompatible.
12767	* output.h (Output_file): Add filename method.
12768
127692009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12770
12771	* incremental.cc (Incremental_inputs_entry): Remove unused argument
12772	from the get_* methods.
12773
127742009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12775
12776	* incremental-dump.cc (main): Check that the offeset of a script is 0.
12777	* incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
12778	Write 0 for the data_offset of scripts.
12779
127802009-12-02  Rafael Avila de Espindola  <espindola@google.com>
12781
12782	* testsuite/Makefile.am: Add the incremental_test.sh test.
12783	* testsuite/incremental_test.sh: New.
12784	* testsuite/incremental_test_1.c: New.
12785	* testsuite/incremental_test_2.c: New.
12786
127872009-12-01  Rafael Avila de Espindola  <espindola@google.com>
12788
12789	* incremental-dump.cc (main): Fix typos.
12790
127912009-11-27  Rafael Avila de Espindola  <espindola@google.com>
12792
12793	PR gold/11025
12794	* incremental-dump.cc (main): Use llu to print 64 bit values.
12795
127962009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
12797	    H.J. Lu  <hongjiu.lu@intel.com>
12798
12799	* Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
12800	$(LIBDL).
12801	(incremental_dump_LDADD): Likewise.
12802	* Makefile.in: Regenerated.
12803
128042009-11-25  Doug Kwan  <dougkwan@google.com>
12805
12806	Revert:
12807
12808	2009-11-25  Doug Kwan  <dougkwan@google.com>
12809
12810		* arm.cc (Target_arm::Target_arm): Move method definition
12811		outside of class definition.  Add code to handle
12812		--target1-rel, --target1-abs and --target2= options.
12813		(Target_arm::get_reloc_reloc_type): Change method to be
12814		non-static and const.
12815		(Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
12816		New data member declaration.
12817		(Target_arm::Scan::local, Target_arm::Scan::global,
12818		Target_arm::Relocate::relocate,
12819		Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
12820		Adjust call to Target_arm::get_real_reloc_type.
12821		(Target_arm::get_real_reloc_type): Use command line options
12822		to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
12823		* options.h (--target1-rel, --target1-abs, --target2): New
12824		ARM-only options.
12825
128262009-11-25  Doug Kwan  <dougkwan@google.com>
12827
12828	* arm.cc (Target_arm::Target_arm): Move method definition outside of
12829	class definition.  Add code to handle --target1-rel, --target1-abs
12830	and --target2= options.
12831	(Target_arm::get_reloc_reloc_type): Change method to be non-static
12832	and const.
12833	(Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
12834	member declaration.
12835	(Target_arm::Scan::local, Target_arm::Scan::global,
12836	Target_arm::Relocate::relocate,
12837	Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
12838	call to Target_arm::get_real_reloc_type.
12839	(Target_arm::get_real_reloc_type): Use command line options to
12840	determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
12841	* options.h (--target1-rel, --target1-abs, --target2): New ARM-only
12842	options.
12843
128442009-11-25  Doug Kwan  <dougkwan@google.com>
12845
12846	* arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
12847	(Arm_relocate_functions::thumb_branch_common): New metod declaration.
12848	(Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
12849	formatting.
12850	(Arm_relocate_functions::thm_call): Replace body with a call to
12851	Arm_relocate_functions::thumb_branch_common.
12852	(Arm_relocate_functions::thm_jump24,
12853	Arm_relocate_functions::thm_xpc22): New method definitions.
12854	(Arm_relocate_functions::thumb_branch_common): New method definition.
12855	(Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
12856	operator.
12857	(Target_arm::Relocate::relocate): Adjust call to thm_call.
12858	Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
12859
128602009-11-24  Rafael Avila de Espindola  <espindola@google.com>
12861
12862	* Makefile.am: Build incremental-dump
12863	* Makefile.in: Regenerate.
12864	* incremental-dump.cc: New.
12865	* incremental.cc (Incremental_inputs_header_data,
12866	Incremental_inputs_entry_data): Move to incremental.h
12867	* incremental.h: (Incremental_inputs_header_data,
12868	Incremental_inputs_entry_data): Move from incremental.cc
12869
128702009-11-24  Rafael Avila de Espindola  <espindola@google.com>
12871
12872	* incremental.cc (Incremental_inputs_header,
12873	Incremental_inputs_header_write, Incremental_inputs_entry,
12874	Incremental_inputs_entry_write): Add a typedef with the data type.
12875
128762009-11-24  Rafael Avila de Espindola  <espindola@google.com>
12877
12878	* incremental.cc (Incremental_inputs_header,
12879	Incremental_inputs_header_write, Incremental_inputs_entry,
12880	Incremental_inputs_entry_write): Update comment about which
12881	type has the filed descriptions.
12882
128832009-11-15  Doug Kwan  <dougkwan@google.com>
12884
12885	* arm.cc (Target_arm::may_use_arm_nop): New method definition.
12886	(Arm_relocate_functions::arm_branch_common): Change method defintion
12887	in class definition to a method declaration and update list of formal
12888	parameters.
12889	(Arm_relocate_functions::plt32, Arm_relocate_functions::call,
12890	Arm_relocation_functions::jump24): Adjust call to
12891	Arm_relocate_functions::arm_branch_common.  Update list of formal
12892	parameters.
12893	(Arm_relocate_functions::xpc25): New method definition.
12894	(Arm_relocate_functions::arm_branch_common): Move method defintion
12895	out from class definition.  Use stubs for mode-switching and extending
12896	branch ranges.
12897	(Target_arm::Relocate::relocate): Handle weakly-undefined symbols
12898	specially.  Change code to enable use of stubs in ARM branches.
12899
129002009-11-10  Doug Kwan  <dougkwan@google.com>
12901
12902	* arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
12903	in method declaration.
12904	(Target_arm::relocate_stub): New method declaration.
12905	(Target_arm::default_target): Change to return a pointer instead of
12906	a const reference.
12907	(Reloc_stub::stub_type_for_reloc): Adjust for the change in
12908	Target_arm::default_target.
12909	(Arm_Relobj::do_relocate_sections): Remove options paramater in
12910	method definition.
12911	(Target_arm::relocate_section): Adjust view.
12912	(Target_arm::relocate_stub): New method definition.
12913
129142009-11-10  Doug Kwan  <dougkwan@google.com>
12915
12916	* i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
12917	a format warning.
12918	* incremental.cc (open_incremental_binary): Initialized local
12919	variables to avoid warnings.
12920	* object.cc (make_elf_object): Ditto.
12921	* x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
12922	a format warning.
12923
12924009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
12925
12926	PR gold/10930
12927	* testsuite/plugin_test.c: Include "config.h".
12928
129292009-11-09  Doug Kwan  <dougkwan@google.com>
12930
12931	* arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
12932	(arm_symbol_value): Remove.
12933	(Arm_relocate_functions::arm_branch_common,
12934	Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
12935	Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
12936	Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
12937	Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
12938	Arm_relocate_functions::call, Arm_relocate_functions::jump24,
12939	Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
12940	Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
12941	Arm_relocate_functions::thm_mobw_abs_nc,
12942	Arm_relocate_functions::thm_mov_abs,
12943	Arm_relocate_functions::movw_prel_nc,
12944	Arm_relocate_functions::thm_movt_abs,
12945	Arm_relocate_functions::movt_prel,
12946	Arm_relocate_functions::thm_movw_prel_nc,
12947	Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
12948	(Target_arm::Relocate::relocate): Only decompose address into two
12949	parts if relocation type uses the thumb-bit and pass the actual
12950	bit instead of a flag indicating that the thumb-bit is used.  Adjust
12951	calls to methods in Arm_relocate_functions for this change.
12952
129532009-11-08  Ian Lance Taylor  <iant@google.com>
12954
12955	PR 10925
12956	* reloc.cc: Instantiate
12957	Sized_relobj::initialize_input_to_output_maps and
12958	Sized_relobj:free_input_to_output_maps.
12959
129602009-11-06  Ian Lance Taylor  <iant@google.com>
12961
12962	PR 10876
12963	* defstd.cc (in_segment): Set only_if_ref true for "end".
12964
129652009-11-06  Doug Kwan  <dougkwan@google.com>
12966
12967	* arm.cc (class Reloc_stub): Correct a comment.
12968	(Target_arm::Target_arm): Initialize arm_input_section_map_.
12969	(Target_arm::scan_section_for_stubs): New method declaration.
12970	(Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
12971	Change methods from private to protected.
12972	(Target_arm::do_may_relax): New method definition.
12973	(Target_arm::do_relax, Target_arm::group_sections,
12974	Target_arm::scan_reloc_for_stub,
12975	Target_arm::scan_reloc_section_for_stubs): New method declarations.
12976	(Target_arm::arm_input_section_map_): New data member declaration.
12977	(Target_arm::scan_reloc_for_stub,
12978	Target_arm::scan_reloc_section_for_stubs,
12979	Target_arm::scan_section_for_stubs, Target_arm::group_sections,
12980	Target_arm::do_relax): New method definitions.
12981
129822009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
12983
12984	* configure.ac: Check for (struct stat)::st_mtim
12985	* fileread.cc (File_read::get_mtime): Use st_mtim if available.
12986	* config.in: Regenerate.
12987	* configure: Regenerate.
12988
129892009-11-05  Ian Lance Taylor  <iant@google.com>
12990
12991	PR 10910
12992	* output.cc (Output_segment::add_output_section): Add missing
12993	return statement.
12994
129952009-11-04  Ian Lance Taylor  <iant@google.com>
12996
12997	PR 10880
12998	* object.h (class Object): Add is_needed and set_is_needed
12999	methods.  Add is_needed_ field.  Make bool fields into bitfields.
13000	* symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
13001	defined in a dynamic object and referenced by a regular object,
13002	set is_needed for the dynamic object.
13003	* layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
13004	if the file is marked with as_needed and it is not needed.
13005
130062009-11-04  Ian Lance Taylor  <iant@google.com>
13007
13008	PR 10887
13009	* arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
13010	tags if data is discarded by linker script.
13011	* i386.cc (Target_i386::do_finalize_sections): Likewise.
13012	* powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
13013	* sparc.cc (Target_sparc::do_finalize_sections): Likewise.
13014	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
13015
130162009-11-04  Ian Lance Taylor  <iant@google.com>
13017
13018	* layout.cc (Layout::get_output_section): Add is_interp and
13019	is_dynamic_linker_section parameters.  Change all callers.
13020	(Layout::choose_output_section): Likewise.
13021	(Layout::make_output_section): Likewise.
13022	(Layout::add_output_section_data): Add is_dynamic_linker_section
13023	parameter.  Change all callers.
13024	* layout.h (class Layout): Update declarations.
13025	* output.h (class Output_section): Add is_interp, set_is_interp,
13026	is_dynamic_linker_section, set_is_dynamic_linker_section methods.
13027	Add is_interp_, is_dynamic_linker_section_ fields.  Change
13028	generate_code_fills_at_write_ to a bitfield.
13029	* output.cc (Output_section::Output_sections): Initialize new
13030	fields.
13031	(Output_segment::add_output_section): Add do_sort parameter.
13032	Change all callers.
13033
130342009-11-03  Ian Lance Taylor  <iant@google.com>
13035
13036	PR 10860
13037	* options.h (class General_options): Add --warn-common.
13038	* resolve.cc (Symbol_table::resolve): Handle --warn-common when
13039	merging two common symbols.
13040	(Symbol_table::should_override): Handle --warn-common when merging
13041	a common symbol with a defined symbol.  Use report_resolve_problem
13042	for multiple definitions.
13043	(Symbol_table::report_resolve_problem): New function.
13044	* symtab.h (class Symbol_table): Declare report_resolve_problem.
13045
130462009-11-03  Doug Kwan  <dougkwan@google.com>
13047
13048	* arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
13049	stub_factory_.
13050	(Target_arm::stub_factory): New method definition.
13051	(Target_arm::new_arm_input_section,
13052	Target_arm::find_arm_input_section, Target_arm::new_stub_table,
13053	Target_arm::reloc_uses_thumb_bit): New method declarations.
13054	(Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
13055	New type definitions.
13056	(Target_arm::stub_tables_, Target_arm::stub_factory_): New data
13057	member declarations.
13058	(Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
13059	Target_arm::find_arm_input_section, Target_arm::new_stub_table):
13060	New method definitions.
13061
130622009-11-03  Ian Lance Taylor  <iant@google.com>
13063
13064	* options.h (class General_options): Add --warn_constructors.
13065
130662009-11-03  Ian Lance Taylor  <iant@google.com>
13067
13068	PR 10893
13069	* defstd.cc (in_section): Add entries for __rel_iplt_start,
13070	__rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
13071
130722009-11-03  Ian Lance Taylor  <iant@google.com>
13073
13074	PR 10895
13075	* po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
13076	--msgid-bugs-address.
13077	(install-pdf): New target.
13078	(install-data_yes): Look up one directory to find mkinstalldirs.
13079
130802009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
13081
13082	* po/Make-in (.po.gmo): Don't generate .gmo files in source
13083	tree.
13084
130852009-10-30  Doug Kwan  <dougkwan@google.com>
13086
13087	* arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
13088
130892009-10-30  Doug Kwan  <dougkwan@google.com>
13090
13091	* arm.cc (Stub_addend_reader): New struct template definition
13092	and partial specializations.
13093	(Stub_addend_reader::operator()): New method definition for a
13094	partially specialized template.
13095
130962009-10-30  Doug Kwan  <dougkwan@google.com>
13097
13098	* arm.cc (Arm_relobj::processor_specific_flags): New method
13099	definition.
13100	(Arm_relobj::do_read_symbols): New method declaration.
13101	(Arm_relobj::processor_specific_flags_): New data member declaration.
13102	(Arm_dynobj): New class definition.
13103	(Target_arm::do_finalize_sections): Add input_objects parameter.
13104	(Target_arm::do_adjust_elf_header): New method declaration.
13105	(Target_arm::are_eabi_versions_compatible,
13106	(Target_arm::merge_processor_specific_flags): New method declaration.
13107	(Target_arm::do_make_elf_object): New overloaded method definitions
13108	and declaration.
13109	(Arm_relobj::do_read_symbols): New method definition.
13110	(Arm_dynobj::do_read_symbols): Ditto.
13111	(Target_arm::do_finalize_sections): Add input_objects parameters.
13112	Merge processor-specific flags from all input objects.
13113	(Target_arm::are_eabi_versions_compatible,
13114	Target_arm::merge_processor_specific_flags,
13115	Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
13116	New method definitions.
13117	* i386.cc (Target_i386::do_finalize_sections): Add unnamed
13118	Input_objects pointer type parameter.
13119	* layout.cc (Layout::finalize): Pass input objects to target's.
13120	finalize_sections function.
13121	* output.cc (Output_file_header::do_sized_write): Set ELF file
13122	header's processor-specific flags.
13123	* powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
13124	Input_objects pointer type parameter.
13125	* sparc.cc (Target_sparc::do_finalize_sections): Same.
13126	* target.h (Input_objects): New forward class declaration.
13127	(Target::processor_specific_flags,
13128	Target::are_processor_specific_flags_sect): New method definitions.
13129	(Target::finalize_sections): Add input_objects parameter.
13130	(Target::Target): Initialize processor_specific_flags_ and
13131	are_processor_specific_flags_set_.
13132	(Target::do_finalize_sections): Add unnamed Input_objects pointer type
13133	parameter.
13134	(Target::set_processor_specific_flags): New method definition.
13135	(Target::processor_specific_flags_,
13136	Target::are_processor_specific_flags_set_): New data member
13137	declarations.
13138	* x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
13139	Input_objects pointer type parameter.
13140
131412009-10-30  Doug Kwan  <dougkwan@google.com>
13142
13143	* arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
13144
131452009-10-28  Ian Lance Taylor  <iant@google.com>
13146
13147	* object.h (class Relobj): Drop options parameter from
13148	gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
13149	do_scan_relocs, do_relocate.  Change all callers.
13150	(class Sized_relobj): Drop options parameters from
13151	do_gc_process_relocs, do_scan_relocs, do_relocate,
13152	do_relocate_sections, relocate_sections, emit_relocs_scan,
13153	emit_relocs_scan_reltype.  Change all callers.
13154	(struct Relocate_info): Remove options field and all references to
13155	it.
13156	* reloc.h (class Read_relocs): Remove options constructor
13157	parameter and options_ field.  Change all callers.
13158	(class Gc_process_relocs, class Scan_relocs): Likewise.
13159	(class Relocate_task): Likewise.
13160	* target-reloc.h (scan_relocs): Remove options parameter.  Change
13161	all callers.
13162	(scan_relocatable_relocs): Likewise.
13163	* target.h (class Sized_target): Remove options parameter from
13164	gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
13165	all callers.
13166	* gc.h (gc_process_relocs): Remove options parameter.  Change all
13167	callers.
13168	* arm.cc: Update functions to remove options parameters.
13169	* i386.cc: Likewise.
13170	* powerpc.cc: Likewise.
13171	* sparc.cc: Likewise.
13172	* x86_64.cc: Likewise.
13173	* testsuite/testfile.cc: Likewise.
13174
131752009-10-28  Doug Kwan  <dougkwan@google.com>
13176
13177	* arm.cc (Arm_relobj): New class definition.
13178	(Arm_relobj::scan_sections_for_stubs,
13179	Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
13180	New method definitions.
13181
131822009-10-28  Cary Coutant  <ccoutant@google.com>
13183
13184	* plugin.h (Plugin::Plugin): Initialize cleanup_done_.
13185	(Plugin::cleanup_done_): New member.
13186	(Plugin_manager::Plugin_manager): Remove cleanup_done_.
13187	(Plugin_manager::cleanup_done_): Remove.
13188	(Plugin_manager::add_input_file): Edit error message.
13189	* plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
13190	(Plugin_manager::cleanup): Remove use of cleanup_done_.
13191
131922009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
13193
13194	* fileread.cc: (File_read::View::~View): Use the new
13195	data_ownership_ filed.
13196	(File_read::~File_read): Dispose the new whole_file_view_.
13197	(File_read::open): Mmap the whole file if needed.
13198	(File_read::open): Use whole_file_view_ instead of contents_.
13199	(File_read::find_view): Use whole_file_view_ if applicable.
13200	(File_read::do_read): Use whole_file_view_ instead of contents_.
13201	(File_read::make_view): Use whole_file_view_ instead of contents_,
13202	update File_read::View::View call.
13203	(File_read::find_or_make_view): Update File_read::View::View
13204	call.
13205	* fileread.h: (File_read::File_read): Initialize whole_file_view_,
13206	remove contents_
13207	(File_read::View::Data_ownership): New enum.
13208	(File_read::View::View): Replace bool mapped_ with Data_ownership
13209	argument.
13210	(File_read::View::mapped_): Remove (replaced by data_ownership_).
13211	(File_read::View::data_ownership_): New field.
13212	(File_read::contents_): Remove (replaced by whole_file_view_).
13213	(File_read::whole_file_view_): New field.
13214	* options.h (class General_options): Add --keep-files-mapped.
13215
132162009-10-27  Cary Coutant  <ccoutant@google.com>
13217
13218	* symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
13219	* testsuite/Makefile.am (plugin_test_5): New test case.
13220	* testsuite/Makefile.in: Regenerate.
13221
132222009-10-25  Doug Kwan  <dougkwan@google.com>
13223
13224	* object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
13225	from private to protected to allow access by child class.
13226	(Sized_relobj::do_relocate_sections): New method declaration.
13227	(Sized_relobj::relocate_sections): Virtualize.
13228	* reloc.cc (Sized_relobj::do_relocate_sections): Rename from
13229	Sized_relobj::relocate_sections.  Instantiate template explicitly
13230	for different target sizes and endianity.
13231
132322009-10-24  Doug Kwan  <dougkwan@google.com>
13233
13234	* arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
13235	(Arm_input_section::as_arm_input_section): New method.
13236	(Arm_output_section): New class definition.
13237	(Arm_output_section::create_stub_group,
13238	Arm_output_section::group_sections): New method definitions.
13239
132402009-10-22  Doug Kwan  <dougkwan@google.com>
13241
13242	* arm.cc (Arm_input_section): New class definition.
13243	(Arm_input_section::init, Arm_input_section:do_write,
13244	Arm_input_section::set_final_data_size,
13245	Arm_input_section::do_reset_address_and_file_offset): New method
13246	definitions.
13247
132482009-10-21  Doug Kwan  <dougkwan@google.com>
13249
13250	* arm.cc (Stub_table, Arm_input_section): New forward class
13251	declarations.
13252	(Stub_table): New class defintion.
13253	(Stub_table::add_reloc_stub, Stub_table::relocate_stubs
13254	Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
13255	New method definition.
13256
132572009-10-21  Doug Kwan  <dougkwan@google.com>
13258
13259	* arm.cc: Update copyright comments.
13260	(Target_arm): New forward class template declaration.
13261	(Arm_address): New type.
13262	(ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
13263	THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
13264	THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
13265	constants.
13266	(Insn_template): Same.
13267	(DEF_STUBS): New macro.
13268	(Stub_type): New enum type.
13269	(Stub_template): New class definition.
13270	(Stub): Same.
13271	(Reloc_stub): Same.
13272	(Stub_factory): Same.
13273	(Target_arm::Target_arm): Initialize may_use_blx_ and
13274	should_force_pic_veneer_.
13275	(Target_arm::may_use_blx, Target_arm::set_may_use_blx,
13276	Target_arm::should_force_pic_veneer,
13277	Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
13278	Target_arm::using_thumb_only, Target_arm:;default_target): New
13279	method defintions.
13280	(Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
13281	New data member declarations.
13282	(Insn_template::size, Insn_template::alignment): New method defintions.
13283	(Stub_template::Stub_template): New method definition.
13284	(Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
13285	Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
13286	(Stub_factory::Stub_factory): New method definition.
13287	* gold.h (string_hash): New template.
13288	* output.h (Input_section_specifier::hash_value): Use
13289	gold::string_hash.
13290	(Input_section_specifier::string_hash): Remove.
13291	* stringpool.cc (Stringpool_template::string_hash): Use
13292	gold::string_hash.
13293
132942009-10-20  Doug Kwan  <dougkwan@google.com>
13295
13296	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
13297	symbols of relaxed input sections.
13298	* output.h (Output_section::find_relaxed_input_section): Make
13299	method public.
13300
133012009-10-16  Doug Kwan  <dougkwan@google.com>
13302
13303	* dynobj.cc (Versions::Versions): Initialize version_script_.
13304	Only insert base version symbol definition for a shared object
13305	if version script defines any version versions.
13306	(Versions::define_base_version): New method definition.
13307	(Versions::add_def): Check that base version is not needed.
13308	(Versions::add_need): Define base version lazily.
13309	* dynobj.h (Versions::define_base_version): New method declaration.
13310	(Versions::needs_base_version_): New data member declaration.
13311	* testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
13312	(check_DATA): Add no_version_test.stdout.
13313	(libno_version_test.so, no_version_test.o no_version_test.stdout):
13314	New make rules.
13315	* testsuite/Makefile.in: Regenerate.
13316	* testsuite/no_version_test.c: New file.
13317	* testsuite/no_version_test.sh: Ditto.
13318
133192009-10-16  Doug Kwan  <dougkwan@google.com>
13320
13321	* expression.cc (class Segment_start_expression): New class definition.
13322	(Segment_start_expression::value): New method definition.
13323	(script_exp_function_segment_start): Return a new
13324	Segment_start_expression.
13325	* gold/script-c.h (script_saw_segment_start_expression): New function
13326	prototype.
13327	* script-sections.cc (Script_sections::Script_sections): Initialize
13328	SAW_SEGMENT_START_EXPRESSION_ to false.
13329	(Script_sections::set_section_addresses): Use -Ttext, -Tdata
13330	and -Tbbs options to specify section addresses if given in
13331	command line and no SEGMENT_START expression is seen in a script.
13332	* script-sections.h (Script_sections::saw_segment_start_expression,
13333	Script_sections::set_saw_segment_start_expression): New method
13334	definition.
13335	(Script_sections::saw_segment_start_expression_): New data member
13336	declaration.
13337	* script.cc (script_saw_segment_start_expression): New function.
13338	* yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
13339	* testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
13340	script_test_7.sh and script_test_8.sh.
13341	(check_DATA): Add script_test_6.stdout, script_test_7.stdout and
13342	script_test_8.stdout.
13343	(MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
13344	(script_test_6, script_test_6.stdout, script_test_7,
13345	script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
13346	* Makefile.in: Regenerate.
13347	* testsuite/script_test_6.sh: New file.
13348	* testsuite/script_test_6.t: Same.
13349	* testsuite/script_test_7.sh: Same.
13350	* testsuite/script_test_7.t: Same.
13351	* testsuite/script_test_8.sh: Same.
13352
133532009-10-16  Doug Kwan  <dougkwan@google.com>
13354
13355	* output.cc (Output_segment::set_section_list_address): Cast
13356	expressions to unsigned long long type to avoid format warnings.
13357
133582009-10-15  Ian Lance Taylor  <iant@google.com>
13359
13360	* script.cc (Script_options::add_symbol_assignment): Always add a
13361	dot assignment to script_sections_.
13362	* script-sections.cc (Script_sections::add_dot_assignment):
13363	Initialize if necessary.
13364
13365	* layout.cc (Layout::relaxation_loop_body): Don't crash if we see
13366	program headers with no load segment if there is a linker script.
13367
13368	* layout.cc (Layout::set_segment_offsets): Align the file offset
13369	to the segment aligment for -N or -n with no load segment.
13370	* output.cc (Output_segment::add_output_section): Don't crash if
13371	the first section is a TLS section.
13372	(Output_segment::set_section_list_addresses): Print an error
13373	message if the address moves backward in a linker script.
13374	* script-sections.cc
13375	(Output_section_element_input::set_section_addresses): Don't
13376	increase *dot_value for a SHF_TLS/SHT_NOBITS section.
13377	(Orphan_output_section::set_section_addresses): Likewise.
13378
133792009-10-15  Doug Kwan  <dougkwan@google.com>
13380
13381	* layout.cc (Layout::finish_dynamic_section): Generate tags
13382	DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
13383	DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
13384	used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
13385
133862009-10-14  Ian Lance Taylor  <iant@google.com>
13387
13388	* object.h (class Relocate_info): Add reloc_shdr and data_shdr
13389	fields.
13390	* object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
13391	data_shdr fields of relinfo.
13392	* i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
13393	(Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
13394	R_386_TLS_LDO_32, adjust based on section flags.
13395	(Target_i386::Relocate::fix_up_ldo): Remove.
13396
133972009-10-13  Ian Lance Taylor  <iant@google.com>
13398
13399	Add support for -pie.
13400	* options.h (class General_options): Add -pie and
13401	--pic-executable.
13402	(General_options::output_is_position_independent): Test -pie.
13403	(General_options::output_is_executable): Return true if not shared
13404	and not relocatable.
13405	(General_options::output_is_pie): Remove.
13406	* options.cc (General_options::finalize): Reject incompatible uses
13407	of -pie.
13408	* gold.cc (queue_middle_tasks): A -pie link is not static.
13409	* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
13410	* symtab.cc (Symbol::final_value_is_known): Return false if
13411	output_is_position_independent.
13412	* layout.cc (Layout::set_segment_offsets): Start at address 0 if
13413	output_is_position_independent.
13414	* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
13415	output_is_position_independent.
13416	* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
13417	output_is_position_independent.
13418	* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
13419	two_file_pie_test.
13420	(basic_pie_test.o, basic_pie_test): New targets.
13421	(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
13422	(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
13423	(two_file_pie_test): New target.
13424	* testsuite/Makefile.in: Rebuild.
13425	* README: Remove note saying that -pie is not supported.
13426
134272009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
13428
13429	* options.h (class General_options): Add -init and -fini.
13430	* layout.cc (Layout::finish_dynamic_section): Emit
13431	given init and fini functions.
13432
134332009-10-13  Sriraman Tallam  <tmsriram@google.com>
13434
13435	* gc.h (gc_process_relocs): Check if icf is enabled using new
13436	function.
13437	* gold.cc (queue_initial_tasks): Likewise.
13438	(queue_middle_tasks): Likewise.
13439	* object.cc (do_layout): Likewise.
13440	* symtab.cc (is_section_folded): Likewise.
13441	* main.cc (main): Likewise.
13442	* reloc.cc (Read_relocs::run): Likewise.
13443	(Sized_relobj::do_scan_relocs): Likewise.
13444	* icf.cc (is_function_ctor_or_dtor): New function.
13445	(Icf::find_identical_sections): Check if function is ctor or dtor when
13446	safe icf is chosen.
13447	* options.h (General_options::icf): Change option to be an enum.
13448	(Icf_status): New enum.
13449	(icf_enabled): New method.
13450	(icf_safe_folding): New method.
13451	(set_icf_status): New method.
13452	(icf_status_): New variable.
13453	* (options.cc) (General_options::finalize): Set icf_status_.
13454	* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
13455	icf_test and icf_keep_unique_test to use the --icf enum flag.
13456	* testsuite/icf_safe_test.sh: New file.
13457	* testsuite/icf_safe_test.cc: New file.
13458
134592009-10-12  Sriraman Tallam  <tmsriram@google.com>
13460
13461	* symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
13462	includes to gc.h and icf.h.
13463	* arm.cc: Include gc.h.
13464	* gold.cc: Likewise.
13465	* i386.cc: Likewise.
13466	* powerpc.cc: Likewise.
13467	* sparc.cc: Likewise.
13468	* x86_64.cc: Likewise.
13469	* gc.h: Include icf.h.
13470
134712009-10-11  Ian Lance Taylor  <iant@google.com>
13472
13473	* plugin.cc: Include "gold.h" before other header files.
13474
134752009-10-10  Chris Demetriou  <cgd@google.com>
13476
13477	* options.h (Input_file_argument::Input_file_type): New enum.
13478	(Input_file_argument::is_lib_): Replace with...
13479	(Input_file_argument::type_): New member.
13480	(Input_file_argument::Input_file_argument): Take Input_file_type
13481	'type' rather than boolean 'is_lib' as second argument.
13482	(Input_file_argument::is_lib): Use type_.
13483	(Input_file_argument::is_searched_file): New function.
13484	(Input_file_argument::may_need_search): Handle is_searched_file.
13485	* options.cc (General_options::parse_library): Support -l:filename.
13486	(General_options::parse_just_symbols): Update for Input_file_argument
13487	changes.
13488	(Command_line::process): Likewise.
13489	* archive.cc (Archive::get_file_and_offset): Likewise.
13490	* plugin.cc (Plugin_manager::release_input_file): Likewise.
13491	* script.cc (read_script_file, script_add_file): Likewise.
13492	* fileread.cc (Input_file::Input_file): Likewise.
13493	(Input_file::will_search_for): Handle is_searched_file.
13494	(Input_file::open): Likewise.
13495	* readsyms.cc (Read_symbols::get_name): Likewise.
13496	* testsuite/Makefile.am (searched_file_test): New test.
13497	* testsuite/Makefile.in: Regenerate.
13498	* testsuite/searched_file_test.cc: New file.
13499	* testsuite/searched_file_test_lib.cc: New file.
13500
135012009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13502	    Ian Lance Taylor  <iant@google.com>
13503
13504	* descriptor.cc: Include <cstdio> and "binary-io.h".
13505	(Descriptors::open): Open the files in binary mode always.
13506	* script.cc (Lex::get_token): Treat \r as whitespace.
13507
135082009-10-09  Ian Lance Taylor  <iant@google.com>
13509
13510	* testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
13511
135122009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13513	    Ian Lance Taylor  <iant@google.com>
13514
13515	* configure.ac: Check for readv function also.
13516	* fileread.cc (readv): Define if not HAVE_READV.
13517	* fileread.h (File_read:: max_readv_entries): Set to 1 if readv
13518	does not exist.
13519	* config.in: Regenerate.
13520	* configure: Regenerate.
13521
135222009-10-09  Doug Kwan  <dougkwan@google.com>
13523
13524	* layout.cc (Layout::make_output_section): Call target hook to make
13525	ordinary output section.
13526	(Layout::finalize): Adjust parameter list of call the
13527	Target::may_relax().
13528	* layout.h (class Layout::section_list): New method.
13529	* merge.h (Output_merge_base::entsize): Change visibility to public.
13530	(Output_merge_base::is_string, Output_merge_base::do_is_string):
13531	New methods.
13532	(Output_merge_string::do_is_string): New method.
13533	* object.cc (Sized_relobj::do_setup): renamed from
13534	Sized_relobj::set_up.
13535	* object.h (Sized_relobj::adjust_shndx,
13536	Sized_relobj::initializ_input_to_output_maps,
13537	Sized_relobj::free_input_to_output_maps): Change visibilities to
13538	protected.
13539	(Sized_relobj::setup): Virtualize.
13540	(Sized_relobj::do_setup): New method declaration.
13541	(Sized_relobj::invalidate_section_offset,
13542	Sized_relobj::do_invalidate_section_offset): New method decfinitions.
13543	(Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
13544	* options.cc (parse_int): New function.
13545	* options.h (parse_int): New declaration.
13546	(DEFINE_int): New macro.
13547	(stub_group_size): New option.
13548	* output.cc (Output_section::Output_section): Initialize memebers
13549	merge_section_map_, merge_section_by_properties_map_,
13550	relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
13551	(Output_section::add_input_section): Handled deferred code-fill
13552	generation and remove an old comment.
13553	(Output_section::add_relaxed_input_section): New method definition.
13554	(Output_section::add_merge_input_section): Use merge section by
13555	properties map to speed to search.  Update merge section maps
13556	as appropriate.
13557	(Output_section::build_relaxation_map): New method definition.
13558	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
13559	Same.
13560	(Output_section::relax_input_section): Renamed to
13561	Output_section::convert_input_sections_to_relaxed_sections and change
13562	interface to take a vector of pointers to relaxed sections.
13563	(Output_section::find_merge_section,
13564	Output_section::find_relaxed_input_section): New method definitions.
13565	(Output_section::is_input_address_mapped,
13566	Output_section::output_offset, Output_section::output_address):
13567	Use output section data maps to speed up searching.
13568	(Output_section::find_starting_output_address): Add comments.
13569	(Output_section::do_write,
13570	Output_section::write_to_postprocessing_buffer): Do code-fill
13571	generation as appropriate.
13572	(Output_section::get_input_sections): Invalidate relaxed input section
13573	map.
13574	(Output_section::restore_states): Adjust type of checkpoint .
13575	Invalidate relaxed input section map.
13576	* output.h (Output_merge_base): New class declaration.
13577	(Input_section_specifier): New class defintion.
13578	(class Output_relaxed_input_section) Change base class to
13579	Output_section_data_build.
13580	(Output_relaxed_input_section::Output_relaxed_input_section): Adjust
13581	base class initializer.
13582	(Output_section::add_relaxed_input_section): New method declaration.
13583	(Output_section::Input_section): Change visibility to protected.
13584	(Output_section::Input_section::relobj,
13585	Output_section::Input_section::shndx): Handle relaxed input sections.
13586	Output_section::input_sections) Change visibility to protected.  Also
13587	define overload to return a non-const pointer.
13588	(Output_section::Merge_section_properties): New class defintion.
13589	(Output_section::Merge_section_by_properties_map,
13590	Output_section::Output_section_data_by_input_section_map,
13591	Output_section::Relaxation_map): New types.
13592	(Output_section::relax_input_section): Rename method to
13593	Output_section::convert_input_sections_to_relaxed_sections and change
13594	interface to take a vector of relaxed section pointers.
13595	(Output_section::find_merge_section,
13596	Output_section::find_relaxed_input_section,
13597	Output_section::build_relaxation_map,
13598	Output_section::convert_input_sections_in_list_to_relaxed_sections):
13599	New method declarations.
13600	(Output_section::merge_section_map_
13601	Output_section::merge_section_by_properties_map_,
13602	Output_section::relaxed_input_section_map_,
13603	Output_section::is_relaxed_input_section_map_valid_,
13604	Output_section::generate_code_fills_at_write_): New data members.
13605	* script-sections.cc
13606	(Output_section_element_input::set_section_addresses): Call
13607	current_data_size and addralign methods of relaxed input sections.
13608	(Orphan_output_section::set_section_addresses): Call current_data_size
13609	and addralign methods of relaxed input sections.
13610	* symtab.cc (Symbol_table::compute_final_value): Extract template
13611	from the body of Symbol_table::sized_finalize_symbol.
13612	(Symbol_table::sized_finalized_symbol): Call
13613	Symbol_table::compute_final_value.
13614	* symtab.h (Symbol_table::Compute_final_value_status): New enum type.
13615	(Symbol_table::compute_final_value): New templated method declaration.
13616	* target.cc (Target::do_make_output_section): New method defintion.
13617	* target.h (Target::make_output_section): New method declaration.
13618	(Target::relax): Add more parameters for input objects, symbol table
13619	and layout.  Adjust call to do_relax.
13620	(Target::do_make_output_section): New method declaration.
13621	(Target::do_relax): Add parameters for input objects, symbol table
13622	and layout.
13623
136242009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13625
13626	* pread.c: Include stdio.h.
13627
136282009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13629
13630	* plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
13631	defined.
13632
136332009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13634
13635	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
13636	Change read_shndx type to unsigned int.
13637	(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
13638	int.
13639	(Sized_dwarf_line_info::read_line_mappings): Likewise.
13640	* dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
13641	Change read_shndx type to unsigned int.
13642	(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
13643	int.
13644	(Sized_dwarf_line_info::read_line_mappings): Likewise.
13645	* layout.cc (Layout::create_symtab_sections): Cast the result of
13646	local_symcount * symsize to off_t in the gold_assert.
13647
136482009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13649
13650	* arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
13651	R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
13652	R_ARM_BASE_ABS.
13653	(Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
13654	(Arm_relocate_functions::thm_abs5): New function.
13655	(Arm_relocate_functions::abs12): New function.
13656	(Arm_relocate_functions::abs16): New function.
13657	(Arm_relocate_functions::base_abs): New function.
13658	(Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
13659	(Scan::local): Remove special handling of R_ARM_ABS8.  Handle
13660	R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
13661	R_ARM_BASE_ABS.
13662	(Scan::global): Likewise.
13663	(Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
13664	R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
13665	(Relocatable_size_for_reloc::get_size_for_reloc): Handle
13666	R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
13667	R_ARM_BASE_ABS.
13668
136692009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13670
13671	* arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
13672	(Arm_relocate_functions::movt_prel): New function.
13673	(Arm_relocate_functions::thm_movw_prel_nc): New function.
13674	(Arm_relocate_functions::thm_movt_prel): New function.
13675	(Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
13676	R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
13677	(Scan::global, Relocate::relocate): Likewise.
13678	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
13679
136802009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
13681
13682	* gold.cc: (queue_initial_tasks): Pass incremental_inputs to
13683	Incremental_checker.
13684	* incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
13685	unsigned int.
13686	(class Incremental_inputs_header): New class.
13687	(Incremental_inputs_header_writer): Edit comment.
13688	(Incremental_inputs_entry): New class.
13689	(Incremental_inputs_entry_writer): Edit comment.
13690	(Sized_incremental_binary::do_find_incremental_inputs_section):
13691	Add *strtab_shndx parameter, fill it.
13692	(Sized_incremental_binary::do_check_inputs): New method.
13693	(Incremental_checker::can_incrementally_link_output_file): Use
13694	Sized_incremental_binary::check_inputs.
13695	(Incremental_inputs::report_command_line): Save command line in
13696	command_line_.
13697	* incremental.h:
13698	(Incremental_binary::find_incremental_inputs_section): New
13699	method.
13700	(Incremental_binary::do_find_incremental_inputs_section): Add
13701	strtab_shndx parameter.
13702	(Incremental_binary::do_check_inputs): New pure virtual method.
13703	(Sized_incremental_binary::do_check_inputs): Declare.
13704	(Incremental_checker::Incremental_checker): Add incremental_inputs
13705	parameter, use it to initialize incremental_inputs_.
13706	(Incremental_checker::incremental_inputs_): New field.
13707	(Incremental_checker::command_line): New method.
13708	(Incremental_checker::inputs): New method.
13709	(Incremental_checker::command_line_): New field.
13710
137112009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
13712
13713	* incremental.cc: Include <cstdarg> and "target-select.h".
13714	(vexplain_no_incremental): New function.
13715	(explain_no_incremental): New function.
13716	(Incremental_binary::error): New method.
13717	(Sized_incremental_binary::do_find_incremental_inputs_section): New
13718	method.
13719	(make_sized_incremental_binary): New function.
13720	(open_incremental_binary): New function.
13721	(can_incrementally_link_file): Add checks if output is ELF and has
13722	inputs section.
13723	* incremental.h: Include "elfcpp_file.h" and "output.h".
13724	(Incremental_binary): New class.
13725	(Sized_incremental_binary): New class.
13726	(open_incremental_binary): Declare.
13727	* object.cc (is_elf_object): Use
13728	elfcpp::Elf_recognizer::is_elf_file.
13729	(make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
13730	* output.h (Output_file::filesize): New method.
13731
137322009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13733
13734	* arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
13735	New function.
13736	(Arm_relocate_functions::insert_val_arm_movw_movt): New function.
13737	(Arm_relocate_functions::extract_thumb_movw_movt_addend): New
13738	function.
13739	(Arm_relocate_functions::insert_val_thumb_movw_movt): New
13740	function.
13741	(Arm_relocate_functions::movw_abs_nc): New function.
13742	(Arm_relocate_functions::movt_abs): New function.
13743	(Arm_relocate_functions::thm_movw_abs_nc): New function.
13744	(Arm_relocate_functions::thm_movt_abs): New function.
13745	(Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
13746	R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
13747	(Scan::global): Likewise.
13748	(Relocate::relocate): Likewise.
13749	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
13750
137512009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
13752
13753	* arm.cc (Arm_relocate_functions::got_prel) New function.
13754	(Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
13755	(Relocate::relocate): Likewise.
13756	(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
13757
137582009-10-06  Ian Lance Taylor  <iant@google.com>
13759
13760	* options.h (class General_options): Define
13761	split_stack_adjust_size parameter.
13762	* object.h (class Object): Add uses_split_stack_ and
13763	has_no_split_stack_ fields.  Add uses_split_stack and
13764	has_no_split_stack accessor functions.  Declare
13765	handle_split_stack_section.
13766	(class Reloc_symbol_changes): Define.
13767	(class Sized_relobj): Define Function_offsets.  Declare
13768	split_stack_adjust, split_stack_adjust_reltype, and
13769	find_functions.
13770	* object.cc (Object::handle_split_stack_section): New function.
13771	(Sized_relobj::do_layout): Call handle_split_stack_section.
13772	* dynobj.cc (Sized_dynobj::do_layout): Call
13773	handle_split_stack_section.
13774	* reloc.cc (Sized_relobj::relocate_sections): Call
13775	split_stack_adjust for executable sections in split_stack
13776	objects.  Pass reloc_map to relocate_section.
13777	(Sized_relobj::split_stack_adjust): New function.
13778	(Sized_relobj::split_stack_adjust_reltype): New function.
13779	(Sized_relobj::find_functions): New function.
13780	* target-reloc.h: Include "object.h".
13781	(relocate_section): Add reloc_symbol_changes parameter.  Change
13782	all callers.
13783	* target.h (class Target): Add calls_non_split method.  Declare
13784	do_calls_non_split virtual method.  Declare match_view and
13785	set_view_to_nop.
13786	* target.cc: Include "elfcpp.h".
13787	(Target::do_calls_non_split): New function.
13788	(Target::match_view): New function.
13789	(Target::set_view_to_nop): New function.
13790	* gold.cc (queue_middle_tasks): Give an error if mixing
13791	split-stack and non-split-stack objects with -r.
13792	* i386.cc (Target_i386::relocate_section): Add
13793	reloc_symbol_changes parameter.
13794	(Target_i386::do_calls_non_split): New function.
13795	* x86_64.cc (Target_x86_64::relocate_section): Add
13796	reloc_symbol_changes parameter.
13797	(Target_x86_64::do_calls_non_split): New function.
13798	* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
13799	parameter.
13800	* powerpc.cc (Target_powerpc::relocate_section): Add
13801	reloc_symbol_changes parameter.
13802	* sparc.cc (Target_sparc::relocate_section): Add
13803	reloc_symbol_changes parameter.
13804	* configure.ac: Call AM_CONDITIONAL for the default target.
13805	* configure: Rebuild.
13806	* testsuite/Makefile.am (TEST_AS): New variable.
13807	(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
13808	(check_DATA): Add split_i386 and split_x86_64 files.
13809	(SPLIT_DEFSYMS): Define.
13810	(split_i386_[1234n].o): New targets.
13811	(split_i386_[124]): New targets.
13812	(split_i386_[1234r].stdout): New targets.
13813	(split_x86_64_[1234n].o): New targets.
13814	(split_x86_64_[124]): New targets.
13815	(split_x86_64_[1234r].stdout): New targets.
13816	(MOSTLYCLEANFILES): Add new executables.
13817	* testsuite/split_i386.sh: New file.
13818	* testsuite/split_x86_64.sh: New file.
13819	* testsuite/split_i386_1.s: New file.
13820	* testsuite/split_i386_2.s: New file.
13821	* testsuite/split_i386_3.s: New file.
13822	* testsuite/split_i386_4.s: New file.
13823	* testsuite/split_i386_n.s: New file.
13824	* testsuite/split_x86_64_1.s: New file.
13825	* testsuite/split_x86_64_2.s: New file.
13826	* testsuite/split_x86_64_3.s: New file.
13827	* testsuite/split_x86_64_4.s: New file.
13828	* testsuite/split_x86_64_n.s: New file.
13829	* testsuite/testfile.cc (Target_test): Update relocation_section
13830	function.
13831	* testsuite/Makefile.in: Rebuild.
13832
138332009-10-06  Ian Lance Taylor  <iant@google.com>
13834
13835	* i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
13836	(Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
13837	changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
13838	handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
13839	the address on ldo_addrs_.
13840	(Target_i386::Relocate::fix_up_ldo): New function.
13841
138422009-10-06   Rafael Espindola  <espindola@google.com>
13843
13844	* plugin.cc (add_input_library): New.
13845	(Plugin::load): Add add_input_library to tv.
13846	(Plugin_manager::add_input_file): Add the is_lib argument.
13847	(add_input_file): Update call to Plugin_manager::add_input_file.
13848	(add_input_library): New.
13849	* plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
13850
138512009-09-30  Doug Kwan  <dougkwan@google.com>
13852
13853	* arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
13854	symbol and call Symbol::may_need_copy_reloc to determine if
13855	a copy reloc is needed.
13856	* copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
13857	nocopyreloc is given in command line.
13858	(Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
13859	given in command line.
13860	* i386.cc (Target_i386::may_need_copy_reloc): Remove.
13861	(Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
13862	of the removed Target_i386::may_need_copy_reloc.
13863	* options.h (copyreloc): New option with default value false.
13864	* powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
13865	(Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
13866	instead of the removed Target_powerpc::may_need_copy_reloc.
13867	* sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
13868	(Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
13869	instead of the removed Target_sparc::may_need_copy_reloc.
13870	* symtab.h (Symbol::may_need_copy_reloc): New method definition.
13871	* x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
13872	(Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
13873	instead of the removed Target_x86_64::may_need_copy_reloc.
13874
138752009-09-30  Ian Lance Taylor  <iant@google.com>
13876
13877	* object.h (class Object): Remove target_ field, and target,
13878	sized_target, and set_target methods.
13879	(Object::sized_target): Remove.
13880	(class Sized_relobj): Update declarations.  Remove sized_target.
13881	* object.cc (Sized_relobj::setup): Remove target parameter.
13882	Change all callers.
13883	(Input_objects::add_object): Don't do anything with the target.
13884	(make_elf_sized_object): Add punconfigured parameter.  Change all
13885	callers.  Set or test parameter target.
13886	* dynobj.cc (Sized_dynobj::target): Remove target parameter.
13887	Change all callers.
13888	* parameters.cc (Parameters::set_target): Change parameter type to
13889	be non-const.
13890	(Parameters::default_target): Remove.
13891	(set_parameters_target): Change parameter type to be non-const.
13892	(parameters_force_valid_target): New function.
13893	(parameters_clear_target): New function.
13894	* parameters.h (class Parameters): Update declarations.  Remove
13895	default_target method.  Add sized_target and clear_target
13896	methods.  Change target_ to be non-const.
13897	(set_parameters_target): Update declaration.
13898	(parameters_force_valid_target): Declare.
13899	(parameters_clear_target): Declare.
13900	* readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
13901	as NULL if we aren't searching.
13902	(Add_symbols::run): Don't check for compatible target.
13903	* fileread.cc (Input_file::open_binary): Call
13904	parameters_force_valid_target.
13905	* gold.cc (queue_middle_tasks): Likewise.
13906	* plugin.cc (make_sized_plugin_object): Likewise.  Don't call
13907	set_target on object.
13908	* dynobj.h (class Sized_dynobj): Update declarations.
13909	* archive.cc (Archive::get_elf_object_for_member): Return NULL if
13910	make_elf_object returns NULL.
13911	(Archive::include_member): Don't check whether object target is
13912	compatible.
13913	* output.cc (Output_section::add_input_section): Get target from
13914	parameters.
13915	(Output_section::relax_input_section): Likewise.
13916	* reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
13917	parameters.
13918	(Sized_relobj::do_scan_relocs): Likewise.
13919	(Sized_relobj::relocate_sections): Likewise.
13920	* resolve.cc (Symbol_table::resolve): Likewise.
13921	* symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
13922	parameter.  Change all callers.
13923	(Symbol_table::add_from_object): Get target from parameters.
13924	(Symbol_table::add_from_relobj): Don't check object target.
13925	(Symbol_table::add_from_dynobj): Likewise.
13926	(Symbol_table::define_special_symbol): Get target from
13927	parameters.
13928	* symtab.h (class Symbol_table): Update declaration.
13929	* testsuite/binary_unittest.cc (gold_testsuite): Remove target
13930	parameter.  Change all callers.  Clear parameter target.
13931	(Binary_test): Test target here.
13932	* testsuite/object_unittest.cc (gold_testsuite): Remove
13933	target_test_pointer parameter.  Change all callers.
13934	(Object_test): Test target here.
13935
139362009-09-26  Ian Lance Taylor  <iant@google.com>
13937
13938	* testsuite/initpri1.c: Don't try to use constructor priorities if
13939	compiling with gcc before 4.3.
13940
139412009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
13942
13943	* testsuite/retain_symbols_file_test.sh (check_present): Change
13944	output file name to retain_symbols_file_test.stdout.
13945	(check_absent): Likewise.
13946
139472009-09-18  Craig Silverstein  <csilvers@google.com>
13948
13949	* object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
13950	* options.cc: Include <cerrno> and <fstream>.
13951	(General_options::finalize): Parse -retain-symbols-file tag.
13952	* options.h: New flag.
13953	(General_options): New method should_retain_symbol, new
13954	variable symbols_to_retain.
13955	* symtab.cc (Symbol_table::sized_finalize_symbol): Test
13956	should_retain_symbol map.
13957	* testsuite/Makefile.am (retain_symbols_file_test): New test.
13958	* testsuite/Makefile.in: Regenerate.
13959	* testsuite/retain_symbols_file_test.sh: New file.
13960
139612009-09-18  Nick Clifton  <nickc@redhat.com>
13962
13963	* po/es.po: Updated Spanish translation.
13964
139652009-09-17  Doug Kwan  <dougkwan@google.com>
13966
13967	* debug.h (DEBUG_RELAXATION): New constant.
13968	(DEBUG_ALL): Add DEBUG_RELAXATION.
13969	(debug_string_to_enum): Add relaxation debug option.
13970	* layout.cc
13971	(Layout::Relaxation_debug_check::check_output_data_for_reset_values,
13972	Layout::Relaxation_debug_check::read_sections,
13973	Layout::Relaxation_debug_check::read_sections): New method definitions.
13974	(Layout::Layout): Initialize data members
13975	record_output_section_data_from_scrips_,
13976	script_output_section_data_list_ and relaxation_debug_check_.
13977	(Layout::save_segments, Layout::restore_segments,
13978	Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
13979	Layout::relaxation_loop_body): New method definitions.
13980	(Layout::finalize): Support relaxation.  Move section layout code to
13981	Layout::relaxation_loop_body.
13982	(Layout::set_asection_address_from_script): Move code for orphan
13983	section placement out.
13984	(Layout::place_orphan_sections_in_script): New method definition.
13985	* layout.h (Output_segment_headers, Output_file_header):
13986	New forward class declarations.
13987	(Layout::~Layout): Define.
13988	(Layout::new_output_section_data_from_script): New method definition.
13989	(Layout::place_orphan_sections_in_script): New method declaration.
13990	(Layout::Segment_states): New type declaration.
13991	(Layout::save_segments, Layout::restore_segments,
13992	Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
13993	Layout::relaxation_loop_body): New method declarations.
13994	(Layout::Output_section_data_list): New type declaration.
13995	(Layout::Relaxation_debug_check): New class definition.
13996	(Layout::record_output_section_data_from_script_,
13997	Layout::script_output_section_data_list_, Layout::segment_states_,
13998	Layout::relaxation_debug_check_): New data members.
13999	* output.cc: (Output_section_headers::do_size): New method definition.
14000	(Output_section_headers::Output_section_headers): Move size
14001	computation to Output_section_headers::do_size.
14002	(Output_segment_headers::do_size): New method definition.
14003	(Output_file_header::Output_file_header): Move size computation to
14004	Output_file_header::do_size and call it.
14005	(Output_file_header::do_size): New method definition.
14006	(Output_data_group::Output_data_group): Adjust call to
14007	Output_section_data.
14008	(Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
14009	(Output_symtab_xindex::do_write): Add array bound check.
14010	(Output_section::Input_section::print_to_mapfile): Handle
14011	RELAXED_INPUT_SECTION_CODE.
14012	(Output_section::Output_section): Initialize data member checkpoint_.
14013	(Output_section::~Output_section): Delete checkpoint object pointed
14014	by checkpoint_.
14015	(Output_section::add_input_section): Always add an Input_section if
14016	relaxing.
14017	(Output_section::add_merge_input_section): Add assert.
14018	(Output_section::relax_input_section): New method definition.
14019	(Output_section::set_final_data_size): Set load address to zero for
14020	an unallocated section.
14021	(Output_section::do_address_and_file_offset_have_reset_values):
14022	New method definition.
14023	(Output_section::Input_section_sort_enty::Input_section_sort_enty):
14024	Handle relaxed input section.
14025	(Output_section::sort_attached_input_sections): Checkpoint input
14026	section list lazily.
14027	(Output_section::get_input_sections): Change type of input_sections to
14028	list of Simple_input_section pointers.  Checkpoint input section list
14029	lazily.  Also handle relaxed input sections.
14030	(Output_section::add_input_section_for_script): Take a reference to
14031	a Simple_input_section object instead of Relobj pointer and section
14032	index as parameter.  Handle relaxed input sections.
14033	(Output_section::save_states, Output_section::restore_states): New
14034	method definitions.
14035	* output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
14036	(Output_data::is_data_size_fixed): New method definition.
14037	(Output_data::reset_addresss_and_file_offset): Do not reset data size
14038	if it is fixed.
14039	(Output_data::address_and_file_offset_have_reset_values): New method
14040	definition.
14041	(Output_data::do_address_and_file_offset_have_reset_values): New method
14042	definition.
14043	(Output_data::set_data_size): Check that data size is not fixed.
14044	(Output_data::fix_data_size): New method definition.
14045	(Output_data::is_data_size_fixed_): New data member.
14046	(Output_section_headers::set_final_data_size): New method definition.
14047	(Output_section_headers::do_size): New method declaration.
14048	(Output_segment_headers::set_final_data_size): New method definition.
14049	(Output_segment_headers::do_size): New method declaration.
14050	(Output_file_header::set_final_data_size)::New method definition.
14051	(Output_file_header::do_size)::New method declaration.
14052	(Output_section_data::Output_section_data): Add new parameter
14053	is_data_size_fixed and use it to fix data size.
14054	(Output_data_const::Output_data_const): Adjust call to base class
14055	constructor and fix data size.
14056	(Output_data_const_buffer::Output_data_const_buffer): Adjust call to
14057	base class constructor and fix data size.
14058	(Output_data_fixed_space::Output_data_fixed_space): Adjust call to
14059	base class constructor and fix data size.
14060	(Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
14061	class constructor and fix data size.
14062	(Output_data_group::set_final_data_size): New method definition.
14063	(Output_data_dynamic::Dynamic_entry::tag): New method definition.
14064	(Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
14065	class constructor and fix data size.
14066	(Output_relaxed_input_section): New class definition.
14067	(Output_section::Simple_input_section): New class definition.
14068	(Output_section::get_input_sections): Adjust parameter list.
14069	(Output_section::add_input_section_for_script): Same.
14070	(Output_section::save_states, Output_section::restore_states,
14071	Output_section::do_address_and_file_offset_have_reset_values,
14072	(Output_section::Input_section::Input_section): Handle
14073	RELAXED_INPUT_SECTION_CODE.  Add new overload for
14074	Output_relaxed_input_section.
14075	(Output_section::Input_section::is_input_section,
14076	Output_section::Input_section::set_output_section): Handle relaxed
14077	input section.
14078	(Output_section::Input_section::is_relaxed_input_section,
14079	Output_section::Input_section::output_section_data,
14080	Output_section::Input_section::relaxed_input_section): New method
14081	definitions.
14082	(Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
14083	value.
14084	(Output_section::Input_section::u1_): Update comments.
14085	(Output_section::Input_section::u2_): Add new union member poris.
14086	(Output_section::Checkpoint_output_section): New classs definition.
14087	(Output_section::relax_input_section): New method declaration.
14088	(Output_section::checkpoint_): New data member.
14089	(Output_segment): Update comments.
14090	(Output_segment::Output_segment): Un-privatize copy constructor.
14091	(Output_segment::operator=): Un-privatize.
14092	* script-sections.cc (Output_section_element::Input_section_list):
14093	Change element type to Output_section::Simple_input_section.
14094	(Output_section_element_dot_assignment::set_section_addresses):
14095	Register output section data for relaxation clean up.
14096	(Output_data_exression::Output_data_expression): Adjust call to base
14097	constructor to fix data size.
14098	(Output_section_element_data::set_section_addresses): Register
14099	Output_data_expression object for relaxation clean up.
14100	(struct Input_section_info): Replace Relobj pointer and section index
14101	pair with Output_section::Simple_input_section and Convert struct to a
14102	class.
14103	(Input_section_sorter::operator()): Adjust access to
14104	Input_section_info data member to use accessors.
14105	(Output_section_element_input::set_section_addresses): Use layout
14106	parameter.  Adjust code to use Output_section::Simple_input_section
14107	and Input_secction_info classes.  Register filler for relaxation
14108	clean up.
14109	(Orphan_output_section::set_section_addresses): Replace Relobj pointer
14110	and section index pair with Output_section::Simple_input_section
14111	class.  Adjust code accordingly.
14112	(Phdrs_element::release_segment): New method definition.
14113	(Script_sections::attach_sections_using_phdrs_clause): Do not modify
14114	segment list.
14115	(Script_sections::release_segments): New method definition.
14116	* gold/script-sections.h (Script_sections::release_segments): New
14117	method declaration.
14118	* gold/target.h (Target::may_relax, Target::relax,
14119	Target::do_may_relax, Target::do_relax): New method definitions.
14120
141212009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
14122
14123	* arm.cc (has_signed_unsigned_overflow): New function.
14124	(Arm_relocate_functions::abs8): New function.
14125	(Target_arm::Scan::local): Handle R_ARM_ABS8.
14126	(Target_arm::Scan::global): Likewise.
14127	(Target_arm::relocate::relocate): Likewise.
14128	(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
14129	Likewise.
14130
141312009-09-16  Cary Coutant  <ccoutant@google.com>
14132
14133	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
14134	* testsuite/Makefile.in: Regenerate.
14135
141362009-09-11  Nick Clifton  <nickc@redhat.com>
14137
14138	* po/gold.pot: Updated by the Translation project.
14139
141402009-09-08  Cary Coutant  <ccoutant@google.com>
14141
14142	* output.cc (Output_file::open): Add execute permission to empty file.
14143	* testsuite/Makefile.am (permission_test): New test.
14144	* testsuite/Makefile.in: Regenerate.
14145
141462009-09-02  Ian Lance Taylor  <iant@google.com>
14147
14148	* output.cc (Output_file::resize): Call map_no_anonymous rather
14149	than map.
14150
141512009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
14152
14153	* gold.cc: Include "incremental.h".
14154	(queue_initial_tasks): Call Incremental_checker methods.
14155	* incremental.cc: Include "output.h".
14156	(Incremental_checker::can_incrementally_link_output_file): New
14157	method.
14158	* incremental.h (Incremental_checker): New class.
14159
14160	* output.cc (Output_file::open_for_modification): New method.
14161	(Output_file::map_anonymous): Changed return type to bool.  Record
14162	map in base_ field.
14163	(Output_file::map_no_anonymous): New method, broken out of map.
14164	(Output_file::map): Use map_no_anonymous and map_anonymous.
14165	* output.h (class Output_file): Update declarations.
14166
141672009-08-24  Cary Coutant  <ccoutant@google.com>
14168
14169	* options.h (Command_line::Pre_options): New class.
14170	(Command_line::pre_options): New member.
14171	* options.cc (gold::options::ready_to_register): New variable.
14172	(One_option::register_option): Do nothing if not registering options.
14173	Assert if same short option registered twice.
14174	(General_options::General_options): Turn off option registration when
14175	done constructing.
14176	(Command_line::Pre_options::Pre_options): New constructor.
14177
141782009-08-24  Cary Coutant  <ccoutant@google.com>
14179
14180	* options.h (General_options::no_keep_memory): Remove incorrect
14181	short option.
14182
141832009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14184
14185	* Makefile.am (am__skiplex, am__skipyacc): New.
14186	* Makefile.in: Regenerate.
14187
141882009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14189
14190	* Makefile.am (AM_CPPFLAGS): Renamed from ...
14191	(INCLUDES): ... this.
14192	* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
14193	(AM_CPPFLAGS): Renamed from ...
14194	(INCLUDE): ... this.
14195	* Makefile.in, testsuite/Makefile.in: Regenerate.
14196
14197	* Makefile.in: Regenerate.
14198	* aclocal.m4: Likewise.
14199	* config.in: Likewise.
14200	* configure: Likewise.
14201	* testsuite/Makefile.in: Likewise.
14202
14203	* Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
14204	* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
14205	* Makefile.in: Regenerate.
14206	* testsuite/Makefile.in: Regenerate.
14207
142082009-08-19  Cary Coutant  <ccoutant@google.com>
14209
14210	* resolve.cc (Symbol_table::resolve): Don't complain about defined
14211	symbols in shared libraries overridden by hidden or internal symbols
14212	in the main program.
14213
142142009-08-19  Chris Demetriou  <cgd@google.com>
14215
14216	* testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
14217	checking source file names in error messages.
14218
142192009-08-18  Doug Kwan  <dougkwan@google.com>
14220
14221	* dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
14222	an elcpp::Ehdr as parameter.  Adjust call to set_target.
14223	* dynobj.h (Sized_dynobj::setup): Take a Target object instead of
14224	an elfcpp::Ehdr as parameter.
14225	* object.cc (Object::set_target): Remove the version that looks up
14226	a target and sets it.
14227	(Sized_relobj::setup): Take a Target object instead of
14228	an elfcpp::Ehdr as parameter.  Adjust call to set_target.
14229	(make_elf_sized_object): Find target and ask target to
14230	make an ELF object.
14231	* object.h: (Object::set_target): Remove the version that looks up
14232	a target and sets it.
14233	(Sized_relobj::setup): Take a Target object instead of
14234	an elfcpp:Ehdr as parameter.
14235	* target.cc: Include dynobj.h.
14236	(Target::do_make_elf_object_implementation): New.
14237	(Target::do_make_elf_object): New.
14238	* target.h (Target::make_elf_object): New template declaration.
14239	(Target::do_make_elf_object): New method declarations.
14240	(Target::do_make_elf_object_implementation): New template declaration.
14241
142422009-08-14  Ian Lance Taylor  <iant@google.com>
14243
14244	* gold.h (FUNCTION_NAME): Define.
14245	(gold_unreachable): Use FUNCTION_NAME.
14246
142472009-08-12  Sriraman Tallam  <tmsriram@google.com>
14248
14249	* icf.cc (Icf::find_identical_sections): Issue a warning when a
14250	symbol in the --keep-unique list is not found.
14251
142522009-08-12  Sriraman Tallam  <tmsriram@google.com>
14253
14254	* icf.cc (Icf::find_identical_sections): Unfold symbols that have
14255	been maked as --keep-unique.
14256	(Icf::unfold_section): New function.
14257	* icf.h (Icf::unfold_section): New function.
14258	* options.h (General_options::keep_unique): New option.
14259	* testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
14260	* testsuite/Makefile.in: Regenerate.
14261	* testsuite/icf_keep_unique_test.sh: New file.
14262	* testsuite/icf_keep_unique_test.cc: New file.
14263
142642009-08-12  Cary Coutant  <ccoutant@google.com>
14265
14266	PR 10471
14267	* resolve.cc (Symbol_table::resolve): Check for references from
14268	dynamic objects to hidden and internal symbols.
14269	* testsuite/Makefile.am (hidden_test.sh): New test.
14270	* testsuite/Makefile.in: Regenerate.
14271	* testsuite/hidden_test.sh: New script.
14272	* testsuite/hidden_test_1.c: New test source.
14273	* testsuite/hidden_test_main.c: New test source.
14274
142752009-08-11  Doug Kwan  <dougkwan@google.com>
14276
14277	* arm.cc: Update comments.
14278	(Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
14279	segment to locate the .ARM.exidx section if present.
14280
142812009-08-09  Doug Kwan  <dougkwan@google.com>
14282
14283	* dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
14284	patch.
14285
142862009-08-07  Sriraman Tallam  <tmsriram@google.com>
14287	* dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
14288	compiler warnings.
14289
142902009-08-06  Sriraman Tallam  <tmsriram@google.com>
14291
14292	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
14293	valid tls_segment only for non-debug-section relocations.
14294	* testsuite/Makefile.am: Add gc_tls_test.
14295	* testsuite/Makefile.in: Regenerate.
14296	* testsuite/gc_tls_test.cc: New file.
14297	* testsuite/gc_tls_test.sh: New file.
14298
142992009-08-05  Sriraman Tallam  <tmsriram@google.com>
14300
14301	* icf.cc: New file.
14302	* icf.h: New file.
14303	* Makefile.am (CCFILES): Add icf.cc.
14304	(HFILES): Add icf.h
14305	* Makefile.in: Regenerate.
14306	* dynobj.h (Sized_dynobj::do_section_entsize): New function.
14307	* gc.h (gc_process_relocs): Populate lists used by icf to contain
14308	section, symbol and addend information for the relocs.
14309	* gold.cc (queue_middle_tasks): Call identical code folding.
14310	* gold.h: Add defines for multimap.
14311	* layout.cc (Layout::create_symtab_sections): Add symtab as parameter
14312	to the call of finalize_local_symbols.
14313	* main.cc (main): Create object of class Icf.
14314	* object.cc (Sized_relobj::do_layout): Allow this function to be
14315	called twice during icf.
14316	(Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
14317	to sections marked as identical by icf.
14318	(Sized_relobj::do_section_flags): Get section_flags from Symbols_data
14319	when available.
14320	(Sized_relobj::do_section_entsize): New function.
14321	* object.h (Object::section_entsize): New function.
14322	(Object::do_section_entsize): New pure virtual function.
14323	(Relobj::finalize_local_symbols): Add new parameter.
14324	(Relobj::do_section_entsize): New function.
14325	* options.h (General_options::icf): New option.
14326	(General_options::icf_iterations): New option.
14327	(General_options::print_icf_sections): New option.
14328	* plugin.cc (Sized_pluginobj::do_section_entsize): New function.
14329	* plugin.h (Sized_pluginobj::do_section_entsize): New function.
14330	* reloc.cc (Read_relocs::run): Delay scanning relocs when doing
14331	icf.
14332	* symtab.cc (Symbol_table::is_section_folded): New function.
14333	(Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
14334	to sections marked as identical by icf.
14335	* symtab.h (Symbol_table::set_icf): New function.
14336	(Symbol_table::icf): New function.
14337	(Symbol_table::is_section_folded): New function.
14338	(Symbol_table::icf_): New data member.
14339	* target-reloc.h (relocate_section): Ignore sections folded by icf.
14340	* testsuite/Makefile.am: Add commands to build icf_test.
14341	* testsuite/Makefile.in: Regenerate.
14342	* testsuite/icf_test.sh: New file.
14343	* testsuite/icf_test.cc: New file.
14344
143452009-07-24  Chris Demetriou  <cgd@google.com>
14346
14347	* layout.cc (is_compressible_debug_section): Fix incorrect
14348	comment about compressed section names.
14349
143502009-07-20  Ian Lance Taylor  <ian@airs.com>
14351
14352	PR 10419
14353	* x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
14354
143552009-07-16  Ian Lance Taylor  <iant@google.com>
14356
14357	PR 10400
14358	* layout.h: #include <map>.
14359	(class Kept_section): Change from struct to class.  Add accessors
14360	and setters.  Add section size to Comdat_group mapping.  Change
14361	Comdat_group to std::map.  Add is_comdat_ field.  Add
14362	linkonce_size field in union.
14363	(class Layout): Update declaration of find_or_add_kept_section.
14364	Don't declare find_kept_object.
14365	* layout.cc (Layout::find_or_add_kept_section): Remove candidate
14366	parameter.  Add object, shndx, is_comdat, and is_group_name
14367	parameters.  Change all callers.  Adjust for new Kept_section.
14368	(Layout::find_kept_object): Remove.
14369	* object.cc (Sized_relobj::include_section_group): Update use of
14370	Kept_section.  Rename secnum to shndx.  Only record
14371	Kept_comdat_section if sections are the same size.
14372	(Sized_relobj::include_linkonce_section): Update use of
14373	Kept_section.  Only record Kept_comdat_section if sections are the
14374	same size.  Set size of linkonce section.
14375	(Sized_relobj::map_to_kept_section): Update call to
14376	get_kept_comdat_section.
14377	* object.h (class Sized_relobj): Rename fields in
14378	Kept_comdat_section to drop trailing underscores; change object
14379	field to Relobj*.  Change Kept_comdat_section_table to store
14380	struct rather than pointer.
14381	(Sized_relobj::set_kept_comdat_section): Remove kept parameter.
14382	Add kept_object and kept_shndx parameters.  Change all callers.
14383	(Sized_relobj::get_kept_comdat_section): Change return type to
14384	bool.  Add kept_object and kept_shndx parameters.  Change all
14385	callers.
14386	* plugin.cc (Pluginobj::include_comdat_group): Update call to
14387	Layout::find_or_add_kept_section.
14388
143892009-07-09  Ian Lance Taylor  <iant@google.com>
14390
14391	* merge.cc (Object_merge_map::initialize_input_to_output_map):
14392	Reserve space in the hash table.
14393
143942009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
14395
14396	* fileread.cc (File_read::get_mtime): New method.
14397	* fileread.h (Timespec): New structure.
14398	(File_read::get_mtime): New method.
14399	* incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
14400	Renamed from timestamp_nsec.
14401	(Incremental_inputs_entry_write::timestamp_sec): Fix argument to
14402	Elf_Xword.
14403	(Incremental_inputs_entry_write::timestamp_usec): Renamed from
14404	timestamp_nsec.
14405	(Incremental_inputs::report_archive): Save mtime; style fix.
14406	(Incremental_inputs::report_obejct): Save mtime; style fix.
14407	(Incremental_inputs::report_script): Save mtime; style fix.
14408	(Incremental_inputs::finalize_inputs): Style fix.
14409	(Incremental_inputs::finalize): Style fix.
14410	(Incremental_inputs::create_input_section_data): Store inputs
14411	mtime.
14412	* incremental.h (Incremental_inputs::report_script): Add mtime
14413	argument.
14414	(Incremental_inputs::Input_info::Input_info): Intialize only one
14415	union member.
14416	(Incremental_inputs::Input_info::archive): Move to nameless
14417	union.
14418	(Incremental_inputs::Input_info::obejct): Move to nameless union.
14419	(Incremental_inputs::Input_info::script): Move to nameless union.
14420	(Incremental_inputs::mtime): New field.
14421	* script.cc (read_input_script): Pass file mtime to
14422	Incremental_input.
14423	* script.h (Script_info::inputs): Style fix.
14424
144252009-07-01  Ian Lance Taylor  <ian@airs.com>
14426
14427	* freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
14428	instead of 32.
14429
144302009-06-24  Ian Lance Taylor  <iant@google.com>
14431
14432	PR 10156
14433	* layout.cc (Layout::choose_output_section): If we find an
14434	existing section, update the flags.
14435	(Layout::create_notes): New function, broken out of
14436	Layout::finalize.
14437	(Layout::finalize): Don't create note sections.
14438	(Layout::create_note): Don't crash if linker script discards
14439	section.
14440	(Layout::create_gold_note): Likewise.
14441	(Layout::create_build_id): Likewise.  Don't set
14442	after_input_sections on the section.
14443	(Layout::create_executable_stack_info): Remove target parameter.
14444	Change caller.
14445	* layout.h (class Layout): Declare create_notes.  Update
14446	declaration of create_executable_stack_info.
14447	* gold.cc (queue_middle_tasks): Call create_notes.
14448	* output.cc (Output_section::update_flags_for_input_section): Move
14449	here from output.h.  If SHF_ALLOC flag is newly set, mark address
14450	invalid.
14451	* output.h (Output_data::mark_address_invalid): New function.
14452	(class Output_section): Only declare, not define,
14453	update_flags_for_input_section.  Remove set_flags.
14454
144552009-06-24  Ian Lance Taylor  <iant@google.com>
14456
14457	* script-sections.cc (Output_section_definition::
14458	set_section_addresses): Rename shadowing local load_address to
14459	laddr.
14460
144612009-06-24  Ian Lance Taylor  <iant@google.com>
14462
14463	PR 10244
14464	* reloc.cc (relocate_sections): Skip empty relocation sections.
14465
144662009-06-23  Ian Lance Taylor  <iant@google.com>
14467
14468	PR 10156
14469	* layout.cc (Layout::create_note): Use choose_output_section
14470	rather than make_output_section.
14471
144722009-06-23  Ian Lance Taylor  <iant@google.com>
14473
14474	PR 10237
14475	* options.cc (General_options::parse_V): Set printed_version_.
14476	(General_options::General_options): Initialize printed_version_.
14477	* options.h (class General_options): Add printed_version_ field.
14478	* gold.cc (queue_initial_tasks): If there are no input files,
14479	don't give a fatal error if we printed the version information.
14480	(queue_middle_tasks): If using -r with a shared object, give a
14481	fatal error rather than an ordinary error.
14482
144832009-06-23  Ian Lance Taylor  <iant@google.com>
14484
14485	PR 10219
14486	* layout.cc (Layout::Layout): Initialize have_stabstr_section_.
14487	(Layout::make_output_section): Set have_stabstr_section_ if we see
14488	a .stab*str section.
14489	(Layout::finalize): Call link_stabs_sections.
14490	(Layout::link_stabs_sections): New file.
14491	* layout.h (class Layout): Add have_stabstr_section_ field.
14492	Declare link_stabs_sections.
14493
144942009-06-23  Doug Kwan  <dougkwan@google.com>
14495
14496	* Makefile.am (libgold_a_LIBADD): New.
14497	(ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
14498	* Makefile.in: Regenerate.
14499	* config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
14500	* configure: Regenerate.
14501	* configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
14502	* fileread.cc: Include sys/state.h
14503	* gold.h: Declare memmem and strndup if found missing.
14504	* gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
14505
145062009-06-23  Ian Lance Taylor  <iant@google.com>
14507
14508	* configure.ac: Call AC_CHECK_DECLS using C, not C++.
14509	* configure: Rebuild.
14510
145112009-06-23  Ian Lance Taylor  <iant@google.com>
14512
14513	PR 10147
14514	* object.cc (Object::section_contents): Don't try to get a view if
14515	the section has length zero.
14516	(Object::handle_gnu_warning_section): If the section is empty, use
14517	the name of the section as the warning.
14518
145192009-06-23  Ian Lance Taylor  <iant@google.com>
14520
14521	PR 10133
14522	* stringpool.h (class Stringpool_template): Add optimize_ field.
14523	(Stringpool_template::set_optimize): New function.
14524	* stringpool.cc (Stringpool_template::Stringpool_template):
14525	Initialize optimize_ field.
14526	(Stringpool_template::set_string_offsets): Test local optimize
14527	fild rather than parameter.
14528	* layout.cc (Layout::Layout): Call set_optimize on the section
14529	name stringpool.
14530
145312009-06-22  Ian Lance Taylor  <iant@google.com>
14532
14533	PR 10030
14534	* yyscript.y: Parse TARGET.
14535	* script.cc (script_set_target): New function.
14536	* script-c.h (script_set_target): Declare.
14537	* options.cc (General_options::string_to_object_format): Rename
14538	from string_to_object_format in anonymous namespace.  Change
14539	callers.
14540	* options.h (class General_options): Declare
14541	string_to_object_format.
14542
145432009-06-22  Ian Lance Taylor  <iant@google.com>
14544
14545	* script-sections.cc (Script_sections::create_segments): Don't put
14546	program headers in a PT_LOAD segment if -n or -N.
14547
145482009-06-22  Ian Lance Taylor  <iant@google.com>
14549
14550	PR 10141
14551	* options.h (class General_options): Add -z lazy and -z now.  Sort
14552	-z options into alphabetical order.
14553	* layout.cc (Layout::finish_dynamic_section): Handle -z now.
14554
145552009-06-21  Ian Lance Taylor  <iant@google.com>
14556
14557	* layout.cc (Layout::make_output_section): Call
14558	Target::new_output_section.
14559	(Layout::attach_allocated_section_to_segment): Put large section
14560	sections in a separate load segment with the large segment flag
14561	set.
14562	(Layout::segment_precedes): Sort large data segments after other
14563	load segments.
14564	(align_file_offset): New static function.
14565	(Layout::set_segment_offsets): Use align_file_offset.
14566	* output.h (class Output_section): Add is_small_section_ and
14567	is_large_section_ fields.
14568	(Output_section::is_small_section): New function.
14569	(Output_section::set_is_small_section):  New function.
14570	(Output_section::is_large_section): New function.
14571	(Output_section::set_is_large_section): New function.
14572	(Output_section::is_large_data_section): New function.
14573	(class Output_segment): Add is_large_data_segment_ field.
14574	(Output_segment::is_large_data_segment): New function.
14575	(Output_segment::set_is_large_data_segment): New function.
14576	* output.cc (Output_section::Output_section): Initialize new
14577	fields.
14578	(Output_segment::Output_segment): Likewise.
14579	(Output_segment::add_output_section): Add assertion that large
14580	data sections always go in large data segments.  Force small data
14581	sections to the end of the list of data sections.  Force small BSS
14582	sections to the start of the list of BSS sections.  For large BSS
14583	sections to the end of the list of BSS sections.
14584	* symtab.h (class Symbol): Declare is_common_shndx.
14585	(Symbol::is_defined): Check Symbol::is_common_shndx.
14586	(Symbol::is_common): Likewise.
14587	(class Symbol_table): Define enum Commons_section_type.  Update
14588	declarations.  Add small_commons_ and large_commons_ fields.
14589	* symtab.cc (Symbol::is_common_shndx): New function.
14590	(Symbol_table::Symbol_table): Initialize new fields.
14591	(Symbol_table::add_from_object): Put small and large common
14592	symbols in the right list.
14593	(Symbol_table::sized_finalized_symbol): Check
14594	Symbol::is_common_shndx.
14595	(Symbol_table::sized_write_globals): Likewise.
14596	* common.cc (Symbol_table::do_allocate_commons): Allocate new
14597	common symbol lists.  Don't call do_allocate_commons_list if the
14598	list is empty.
14599	(Symbol_table::do_allocate_commons_list): Remove is_tls
14600	parameter.  Add comons_section_type parameter.  Change all
14601	callers.  Handle small and large common symbols.
14602	* object.cc (Sized_relobj::do_finalize_local_symbols): Check
14603	Symbol::is_common_shndx.
14604	* resolve.cc (symbol_to_bits): Likewise.
14605	* target.h (Target::small_common_shndx): New function.
14606	(Target::small_common_section_flags): New function.
14607	(Target::large_common_shndx): New function.
14608	(Target::large_common_section_flags): New function.
14609	(Target::new_output_section): New function.
14610	(Target::Target_info): Add small_common_shndx, large_common_shndx,
14611	small_common_section_flags, and large_common_section_flags
14612	fields.
14613	(Target::do_new_output_section): New virtual function.
14614	* arm.cc (Target_arm::arm_info): Initialize new fields.
14615	* i386.cc (Target_i386::i386_info): Likewise.
14616	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
14617	Likewise.
14618	* sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
14619	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14620	(Target_x86_64::do_new_output_section): New function.
14621	* configure.ac: Define conditional MCMODEL_MEDIUM.
14622	* testsuite/Makefile.am (check_PROGRAMS): Add large.
14623	(large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
14624	(large_LDFLAGS): Define.
14625	* testsuite/large.c: New file.
14626	* testsuite/testfile.cc (Target_test::test_target_info):
14627	Initialize new fields.
14628	* configure, testsuite/Makefile.in: Rebuild.
14629
146302009-06-05  Doug Kwan  <dougkwan@google.com>
14631
14632	* Makefile.am (CCFILES): Add target.cc.
14633	* Makefile.in: Regenerate.
14634	* i386.cc (class Target_i386): Define new virtual method to
14635	override do_is_local_label_name in parent.
14636	* object.cc (Sized_relobj::do_count_local_symbols): Discard
14637	local symbols if --discard-locals or -X is given.
14638	* options.h (class General_options): Declare new options
14639	'--discard-locals' and '-X' for discarding locals.
14640	* target.h (class Target): Define new methods is_local_label_name.
14641	Declare new virtual method do_is_local_label_name.
14642	* target.cc: New file.
14643	* testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
14644	(check_SCRIPTS): Add discard_locals_test.sh.
14645	(check_DATA): Add discard_local_tests.syms.
14646	(discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
14647	(discard_local_tests.syms, discard_locals_test.o): New make rules.
14648	* testsuite/Makefile.in: Regenerate.
14649	* testsuite/discard_locals_test.c: New file.
14650	* testsuite/discard_locals_test.sh: Same.
14651
146522009-06-05  Doug Kwan  <dougkwan@google.com>
14653
14654	* object.cc (Sized_relobj::Sized_relobj): Initialize
14655	discarded_eh_frame_shndx_ to -1U.
14656	(Sized_relobj::do_layout): Record index of a discard .eh_frame
14657	section.
14658	(Sized_relobj::do_count_local_symbols): Skip local symbols in
14659	a discarded .eh_frame section.
14660	(Sized_relobj::do_finalize_local_symbols): Ditto.
14661	* object.h (class Sized_relobj): Declare new member
14662	discarded_eh_frame_shndx_.
14663	* testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
14664	(local_labels_test.o, local_labels_test): New rules.
14665	* testsuite/Makefile.in: Regenerate.
14666
146672009-06-04  Doug Kwan  <dougkwan@google.com>
14668
14669	* layout.cc (Layout::section_name_mapping): Add mapping for
14670	special ARM sections.
14671
146722009-06-03  Doug Kwan  <dougkwan@google.com>
14673
14674	* arm.cc (utils::sign_extend): Reverse test in gold_assert.
14675	(utils::has_overflow): Same.
14676
146772009-06-03  Ian Lance Taylor  <iant@google.com>
14678
14679	* layout.cc (Layout::section_name_mapping): New array, replacing
14680	Layout::linkonce_mapping.
14681	(Layout::section_name_mapping_count): New variable, replacing
14682	Layout::linkonce_mapping_count.
14683	(Layout::linkonce_output_name): Remove.
14684	(Layout::output_section_name): Rewrite.
14685	* layout.h (class Layout): Rename Linkonce_mapping to
14686	Section_name_mapping, linkonce_mapping to section_name_mapping,
14687	linkonce_mapping_count to section_name_mapping_count.  Don't
14688	declare linkonce_output_name.
14689
146902009-06-03  Doug Kwan  <dougkwan@google.com>
14691
14692	* gold/arm.cc (namespace utils): New.
14693	(Target_arm::reloc_is_non_pic): Define new method.
14694	(class Arm_relocate_functions): New.
14695	(Target_arm::Relocate::relocate): Handle relocation types used by
14696	Android.
14697
146982009-06-03  Ian Lance Taylor  <iant@google.com>
14699
14700	* arm.cc (Target_arm::scan::global): Use || instead of |.
14701
147022009-06-02  Doug Kwan  <dougkwan@google.com>
14703
14704	* gold/arm.cc (Target_arm::Scan::Scan):  Initialize
14705	issued_non_pic_error_.
14706	(class Target_arm::Scan): Declare new method check_non_pic.
14707	Define new method symbol_needs_plt_entry.
14708	Declare new data member issued_non_pic_error_.
14709	(class Target_arm::Relocate): Declare new method
14710	should_apply_static_reloc.
14711	(Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
14712	(Target_arm::Scan::check_non_pic): Define new method.
14713	(Target_arm::Scan::local): Handle a small subset of reloc types used
14714	by Android.
14715	(Target_arm::Scan::local): Same.
14716	(Target_arm::Relocate::should_apply_statci_reloc): Define new method.
14717
147182009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
14719
14720	* incremental.cc (Incremental_inputs::report_command_line): Filter
14721	out --incremental-* options.
14722
147232009-05-29  Doug Kwan  <dougkwan@google.com>
14724
14725	* gold/arm.cc (Output_data_plt_arm): Forward declaration for new
14726	template class.
14727	(class Target_arm): Update comment.
14728	(Target_arm::Target_arm): Initialize new data members GOT_,
14729	PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
14730	Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
14731	and Target_arm::rel_dyn_section.
14732	Declare new_enum Target_arm::Got_type.
14733	Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
14734	and DYNBSS_.
14735	Update commments for member do_dynsym_value.
14736	(Target_arm::got_size, Target_arm::plt_section,
14737	Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
14738	new methods inside class defintion.
14739	(Target_arm::got_section): Define new method.
14740	(Target_arm::rel_dyn_section): Same.
14741	(Output_data_plt_arm): New template class.
14742	(Output_data_plt_arm::Output_data_plt_arm): Define constructor.
14743	(Output_data_plt_arm:do_adjust_output_section): Define new method.
14744	(Output_data_plt_arm::add_entry): Same.
14745	(Output_data_plt_arm::first_plt_entry): Define new
14746	static data member for PLT instruction template.
14747	(Output_data_plt_arm::plt_entry): Same.
14748	(Output_data_plt_arm::do_write): Define new method.
14749	(Target_arm::make_plt_entry): Same.
14750	(Target_arm::do_finalize_sections): Same.
14751	(Target_arm::do_dynsym_value): Same.
14752
147532009-05-28  Doug Kwan  <dougkwan@google.com>
14754
14755	* Makefile.am (TARGETSOURCES): Add arm.cc.
14756	(ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
14757	* Makefile.in: Regenerate.
14758	* arm.cc: New file.
14759	* configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
14760
147612009-05-26  Doug Kwan  <dougkwan@google.com>
14762
14763	* options.cc (General_options::parse_exclude_libs).  Fix a comment.
14764	(General_options::check_excluded_libs): Strip off directories in
14765	archive name before matching like GNU ld does.
14766	* testsuite/Makefile.am (MOSTLYCLEANFILES,
14767	exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
14768	(exclude_libs_test_LDFLAGS): Add linker option
14769	-Wl,--exclude-libs,libexclude_libs_test_3
14770	(exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
14771	an explicit archive without using -l.
14772	(alt/libexclude_libs_test_3.a): New make rule.
14773	* testsuite/Makefile.in: Regenerate.
14774	* testsuite/exclude_libs_test.c : Declare lib3_default().
14775	(main): Call it.
14776	* exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
14777	* exclude_libs_test_3.c: New file.
14778
147792009-05-26  Nick Clifton  <nickc@redhat.com>
14780
14781	* po/id.po: New Indonesian translation.
14782	* po/gold.pot: Updated template file.
14783
147842009-05-22  Sriraman Tallam  <tmsriram@google.com>
14785
14786	* testsuite/Makefile.am: Add -ffunction-sections to compile
14787	gc_comdat_test files.  Add -Wl,--gc-sections to build
14788	gc_comdat_test.
14789	* testsuite/Makefile.in: Regenerate.
14790	* testsuite/gc_comdat_test.sh: Fix the condition around grep.
14791
147922009-05-21  Sriraman Tallam  <tmsriram@google.com>
14793
14794	* object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
14795	kept comdat section was garbage collected.
14796	* testsuite/Makefile.am: Add test gc_comdat_test.sh.
14797	* testsuite/Makefile.in: Regenerate.
14798	* testsuite/gc_comdat_test.sh: New file.
14799	* testsuite/gc_comdat_test_1.cc: New file.
14800	* testsuite/gc_comdat_test_2.cc: New file.
14801
148022009-05-19  Doug Kwan  <dougkwan@google.com>
14803
14804	* archive.cc (Archive::Archive): Move constructor from archive.h
14805	to here.  Initialize no_export_.
14806	(Archive::get_elf_object_for_member): Set no_export flag of object.
14807	* archive.h (Archive::Archive): Move constructor body to
14808	archive.cc.
14809	(Archive::no_export): New method.
14810	(Archive::no_export_): New field.
14811	* object.h (Object::Object): Initialize no_export_ to false.
14812	(Object::no_export, Object::set_no_export): New methods.
14813	(Object::no_export_): New field.
14814	* options.cc (General_options::parse_exclude_libs): New method.
14815	(General_options::check_excluded_libs) Same.
14816	* options.h (exclude_libs): New option.
14817	(General_options::check_excluded_libs): New method declaration.
14818	(General_options::excluded_libs_): New field.
14819	* symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
14820	default or protected visibility if an object has no-export flag set.
14821	testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
14822	(check_SCRIPTS): Add exclude_libs_test.sh.
14823	(check_DATA): Add exclude_libs_test.syms.
14824	(MOSTLYCLEANFILES): Add exclude_libs_test.syms,
14825	libexclude_libs_test_1.a and libexclude_libs_test_2.a.
14826	(exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
14827	exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
14828	(exclude_libs_test.syms, libexclude_libs_test_1.a,
14829	libexclude_libs_test_2.a): New rules.
14830	* testsuite/Makefile.in: Regenerate.
14831	* testsuite/exclude_libs_test.c: New file.
14832	* testsuite/exclude_libs_test.sh: Ditto.
14833	* testsuite/exclude_libs_test_1.c: Ditto.
14834	* testsuite/exclude_libs_test_2.c: Ditto.
14835
148362009-05-15  Ian Lance Taylor  <iant@google.com>
14837
14838	* configure.ac: Check for declarations for cases where libiberty.h
14839	checks HAVE_DECL_xxx.
14840	* configure, config.in: Rebuild.
14841
148422009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
14843
14844	* gold.h (Incremental_argument_list): Remove (invalid) forward
14845	declaration.
14846	* incremental.cc (Incremental_inputs::report_achive): New method.
14847	(Incremental_inputs::report_object): New method.
14848	(Incremental_inputs::report_script): New method.
14849	(Incremental_inputs::finalize_inputs): New method.
14850	(Incremental_inputs::finalize): Call finalize_inputs().
14851	(Incremental_inputs::sized_create_incremental_inputs_section_data):
14852	Create inputs entries.
14853	* incremental.h (Incremental_input_type): New enum.
14854	(Incremental_inputs::Incremental_input): Initialize new fields.
14855	(Incremental_inputs::report_inputs): New method.
14856	(Incremental_inputs::report_achive): New method.
14857	(Incremental_inputs::report_object): New method.
14858	(Incremental_inputs::report_script): New method.
14859	(Incremental_inputs::finalize_inputs): New method.
14860	(Incremental_inputs::Input_info): New struct.
14861	(Incremental_inputs::Input_info_map): New typedef.
14862	(Incremental_inputs::lock_): New field.
14863	(Incremental_inputs::Inputs_): New field.
14864	(Incremental_inputs::Inputs_map): New field.
14865	* main.cc (main): Call Incremental_input::report_inputs.
14866	* options.h (Input_argument_list): Typedef moved from
14867	Input_arguments.
14868	(Input_file_group::Files): Remove, use ::Input_argument_list.
14869	(Input_file_group::Input_argument_list): Remove, use
14870	::Input_argument_list.
14871	* plugin.cc (Plugin_manager::add_input_file): Add error in
14872	incremental build.
14873	* read_syms.cc (do_read_syms): Call Incremental_input::report_*
14874	functions.
14875	* script.cc (read_input_script): Call
14876	Incremental_input::report_script.
14877	* script.h (Script_info): New class.
14878
148792009-04-27  Ian Lance Taylor  <iant@google.com>
14880
14881	* x86_64.cc (do_adjust_output_section): Set entsize to
14882	plt_entry_size.
14883
148842009-04-23  Elliott Hughes  <enh@google.com>
14885
14886	* output.cc (Output_file::close): After short writes, continue
14887	writing from the correct offset in the buffer being written.
14888
148892009-04-23  Chris Demetriou  <cgd@google.com>
14890
14891	* configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
14892	* configure: Regenerate.
14893	* config.in: Regenerate.
14894	* gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
14895	if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
14896
148972009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
14898
14899	* incremental.cc (Incremental_inputs_header_data): Renamed from
14900	Incremental_input_header_data.
14901	(Incremental_inputs_header_data::data_size): New field.
14902	(Incremental_inputs_header_data::put_input_file_count): Renamed
14903	from input_file_count.
14904	(Incremental_inputs_header_data::put_command_line_offset): Renamed
14905	from command_line_offset.
14906	(Incremental_inputs_header_data::put_reserved): Renamed from
14907	put_reserved.
14908	(Incremental_inputs_entry_data): Renamed from
14909	Incremental_input_entry_data.
14910	(Incremental_inputs_entry_data::data_size): New field.
14911	(Incremental_inputs::report_command_line): New method.
14912	(Incremental_inputs::finalize): New method.
14913	(Incremental_inputs::create_incremental_inputs_data): New method.
14914	(Incremental_inputs::sized_create_incremental_inputs_data): New method.
14915	* incremental.h: New file.
14916	* layout.cc (Layout::Layout): Handle new incremental_inputs_.
14917	(Layout::finalize): Create incremental inputs section in
14918	incremental builds.
14919	(Layout::create_incremental_info_sections): New method.
14920	* layout.h (Layout::incremental_inputs): New method.
14921	(Layout::create_incremental_info_sections): New method.
14922	(Layout::incremental_inputs_): New field.
14923	* main.cc (main): Notify Incremental_input of the command line.
14924
149252009-04-01  Ian Lance Taylor  <iant@google.com>
14926	    Mikolaj Zalewski  <mikolajz@google.com>
14927
14928	* gold.h (reserve_unordered_map): Define, three versions, one for
14929	each version of Unordered_map.
14930	* layout.cc (Layout::Layout): Remove options parameter.  Add
14931	number_of_input_files parameter.  Don't initialize options_.
14932	Initialize number_of_input_files_ and resized_signatures_.  Move
14933	sections_are_attached_.
14934	(Layout::layout_group): Reserve space for group_signatures_.
14935	(Layout::find_or_add_kept_section): Change name parameter to be a
14936	reference.  Resize signatures_ map when it gets large enough.
14937	(Layout::layout_eh_frame): Use parameters->options() instead of
14938	this->options_.
14939	(Layout::make_output_section): Likewise.
14940	(Layout::attach_allocated_section_to_segment): Likewise.
14941	(Layout::finalize, Layout::create_executable_stack): Likewise.
14942	(Layout::set_segment_offsets, Layout::create_interp): Likewise.
14943	(Layout::finish_dynamic_section, Layout::write_binary): Likewise.
14944	* layout.h (class Layout): Update declarations.  Remove options_
14945	field.  Add number_of_input_files_ and resized_signatures_
14946	fields.  Move sections_are_attached_ field.
14947	* main.cc (main): Pass number of input files to Layout
14948	constructor.  Don't pass options.
14949
149502009-03-30  Ian Lance Taylor  <iant@google.com>
14951
14952	* ffsll.c (ffsll): Correct implementation.
14953
149542009-03-27  Ian Lance Taylor  <iant@google.com>
14955
14956	* ffsll.c: New file.
14957	* configure.ac: Call AC_REPLACE_FUNCS on ffsll.
14958	* gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
14959	* ftruncate.c (ftruncate): Declare before definition.
14960	* mremap.c (mremap): Likewise.
14961	* pread.c (pread): Likewise.
14962	* configure, Makefile.in, config.in: Rebuild.
14963
14964	* mremap.c: New file.
14965	* configure.ac: Call AC_REPLACE_FUNCS on mremap.
14966	* gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
14967	(mremap): Declare if HAVE_MREMAP is not defined.
14968	* configure, Makefile.in, config.in: Rebuild.
14969
149702009-03-27  Cary Coutant  <ccoutant@google.com>
14971
14972	* powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
14973	position independent.
14974	* sparc.cc (Target_sparc::check_non_pic): Likewise.
14975	* x86_64.cc (Target_x86_64::check_non_pic): Likewise.
14976
149772009-03-24  Cary Coutant  <ccoutant@google.com>
14978
14979	* symtab.h (needs_plt_entry): Check for unsatisfied reference from
14980	an executable.
14981	(needs_dynamic_reloc): Likewise.
14982
149832009-03-24  Ian Lance Taylor  <iant@google.com>
14984
14985	* yyscript.y (file_cmd): Recognize EXTERN.
14986	(extern_name_list, extern_name_list_body): New nonterminals.
14987	* script.cc (script_add_extern): Define.
14988	* script-c.h (script_add_extern): Declare.
14989
149902009-03-24  Rafael Avila de Espindola  <espindola@google.com>
14991
14992	* object.cc (is_elf_object): Define.
14993	* object.h (is_elf_object): Declare.
14994	* archive.cc (Archive::get_elf_object_for_member): Call
14995	is_elf_object.
14996	* readsyms.cc (Read_symbols::do_read_symbols): Likewise.
14997
149982009-03-24  Elliott Hughes  <enh@google.com>
14999
15000	* output.cc (Output_file::map_anonymous): Define.
15001	(Output_file::map): Use map_anonymous.  If the regular mmap fails,
15002	try an anonymous one.  Report the size if the mmap fails.
15003	* output.h (class Output_file): Declare map_anonymous.
15004
150052009-03-24  Ian Lance Taylor  <iant@google.com>
15006
15007	* target-select.cc (instantiate_target): Don't acquire the lock if
15008	the instantiated_target_ field has already been set.
15009
150102009-03-23  Ian Lance Taylor  <iant@google.com>
15011
15012	* gold-threads.h (class Initialize_lock): Define.
15013	* gold-threads.cc (class Initialize_lock_once): Define.
15014	(initialize_lock_control): New static variable.
15015	(initialize_lock_pointer): New static variable.
15016	(initialize_lock_once): New static function.
15017	(Initialize_lock::Initialize_lock): Define.
15018	(Initialize_lock::initialize): Define.
15019	* target-select.h: Include "gold-threads.h".
15020	(class Target_selector): Add lock_ and initialize_lock_ fields.
15021	Don't define instantiate_target, just declare it.
15022	* target-select.cc (Target_selector::Target_selector): Initialize
15023	new fields.
15024	(Target_selector::instantiate_target): Define.
15025	* descriptors.h: Include "gold-threads.h".
15026	(class Descriptors): Add initialize_lock_ field.
15027	* descriptors.cc (Descriptors::Descriptors): Initialize new
15028	field.
15029	(Descriptors::open): Use initialize_lock_ field
15030	* errors.h (class Errors): Add initialize_lock_ field.
15031	* errors.cc (Errors::Errors): Initialize new field.
15032	(Errors::initialize_lock): Use initialize_lock_ field.
15033	* powerpc.cc (class Target_selector_powerpc): Remove
15034	instantiated_target_ field.  In do_recognize call
15035	instantiate_target rather than do_instantiate_target.  In
15036	do_instantiate_target just allocate a new target.
15037	* sparc.cc (class Target_selector_sparc): Likewise.
15038
15039	* freebsd.h: New file.
15040	* i386.cc: Include "freebsd.h".
15041	(Target_i386): Derive from Target_freebsd rather than
15042	Sized_target.
15043	(Target_selector_i386): Derive from Target_selector_freebsd rather
15044	than Target_selector.
15045	* x86_64.cc: Include "freebsd.h".
15046	(Target_x86_64): Derive from Target_freebsd rather than
15047	Sized_target.
15048	(Target_selector_x86_64): Derive from Target_selector_freebsd
15049	rather than Target_selector.
15050	* target.h (class Target): Add adjust_elf_header and
15051	do_adjust_elf_header.
15052	* output.cc (Output_file_header:: do_sized_write): Call target
15053	adjust_elf_header routine.
15054	* configure.tgt: Set targ_osabi.
15055	* configure.ac: Define GOLD_DEFAULT_OSABI.
15056	* parameters.cc (Parameters::default_target): Pass
15057	GOLD_DEFAULT_OSABI to select_target.
15058	* target-select.h (class Target_selector): Make instantiate_target
15059	protected rather than private.
15060	* Makefile.am (HFILES): Add freebsd.h.
15061	* configure, Makefile.in, config.in: Rebuild.
15062
15063	* merge.cc (do_add_input_section): Correct pend value.  Change
15064	message about last entry not being null terminated from error to
15065	warning.
15066
150672009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
15068
15069	* incremental.cc: New file.
15070	* Makefile.am (CCFILES): Add incremental.cc.
15071	* Makefile.in: Rebuild.
15072
150732009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
15074
15075	* layout.cc (Layout::output_section_name): Preserve names
15076	of '.note.' sections.
15077
150782009-03-19  Ian Lance Taylor  <iant@google.com>
15079
15080	* descriptors.cc (Descriptors::open): Check that the options are
15081	valid before using them.
15082
150832009-03-18  Ian Lance Taylor  <iant@google.com>
15084
15085	* script-sections.h: Include <list>.
15086	(class Script_sections): Change Sections_elements from std::vector
15087	to std::list.  Typedef public Elements_iterator.  Add
15088	orphan_section_placement_, data_segment_align_start_, and
15089	saw_data_segment_align_ fields.  Remove data_segment_align_index_
15090	field.
15091	* script-sections.cc (class Orphan_section_placement): New class.
15092	(class Sections_element): Add virtual functions is_relro and
15093	orphan_section_init.  Remove virtual function place_orphan_here.
15094	(class Output_section_definition): Add is_relro and
15095	orphan_section_init.  Remove place_orphan_here.
15096	(class Orphan_output_section): Likewise.
15097	(Script_sections::Script_sections): Update for field changes.
15098	(Script_sections::data_segment_align): Set saw_data_segment_align_
15099	and data_segment_align_start_, not data_segment_align_index.
15100	(Script_sections::data_segment_relro_end): Check
15101	saw_data_segment_align_.  Use data_segment_align_start_ rather
15102	than data_segment_align_index_.
15103	(Script_sections::place_orphan): Rewrite to use
15104	Orphan_section_placement.
15105
151062009-03-17  Ian Lance Taylor  <iant@google.com>
15107
15108	* archive.cc (Archive::add_symbols): Check for a version attached
15109	to the symbol name in the archive map.
15110	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
15111	(ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
15112	(ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
15113	(ver_test_11.a): New target.
15114	* testsuite/Makefile.in: Rebuild.
15115
15116	* configure.ac: Check for chsize and posix_fallocate.  Replace
15117	ftruncate.
15118	* ftruncate.c: New file, from gnulib.
15119	* output.cc (posix_fallocate): Define dummy version if not
15120	HAVE_POSIX_FALLOCATE.
15121	(Output_file::map): Call posix_fallocate rather than lseek and
15122	write.
15123	* gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
15124	* configure, Makefile.in, config.in: Rebuild.
15125
151262009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
15127
15128	* layout.h (Layout::create_note): Add section_name parameter.
15129	* layout.cc (Layout::create_note): Likewise.
15130	(Layout::create_build_id, Layout::create_gold_note): Fix callers.
15131
151322009-03-17  Ian Lance Taylor  <iant@google.com>
15133
15134	* descriptors.cc: Include "options.h".
15135	(FD_CLOEXEC, O_CLOEXEC): Define if not defined.
15136	(Descriptors::open): Always use O_CLOEXEC when opening a new
15137	descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
15138	then set FD_CLOEXEC.
15139
15140	* sparc.cc (class Target_sparc): Add has_got_section.
15141	(Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
15142	make sure we have a GOT section.
15143
15144	* sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
15145	(Target_sparc::Scan::local): Likewise.
15146	(Target_sparc::Scan::global): Likewise.
15147	(Target_sparc::Relocate::relocate): Likewise.
15148	(Target_sparc::Relocate::relocate_tls): Likewise.
15149
15150	* symtab.cc (Symbol_table::define_default_version): New function,
15151	broken out of add_from_object.
15152	(Symbol_table::add_from_object): Call define_default_version.
15153	(Symbol_table::define_special_symbol): Add resolve_oldsym
15154	parameter.  Change all callers.  If the version for a symbol comes
15155	from a version script, resolve it with the symbol with the same
15156	name with no version.  Also add the symbol without a version if
15157	appropriate.
15158	(do_define_in_output_data): If resolving with oldsym, don't delete
15159	sym.
15160	(do_define_in_output_segment): Likewise.
15161	(do_define_as_constant): Likewise.
15162	* symtab.h (class Symbol_table): Update declarations.
15163
151642009-03-13  Ian Lance Taylor  <iant@google.com>
15165
15166	* readsyms.cc (Read_symbols::incompatible_warning): New function.
15167	(Read_symbols::requeue): New function.
15168	(Read_symbols::do_read_symbols): If make_elf_object fails because
15169	the target type is not configured, and the file was searched for,
15170	issue a warning and retry with the next directory.
15171	(Add_symbols::run): If the file has an incompatible format, and
15172	it was searched for, requeue the Read_symbols task.  On error,
15173	release the object.
15174	* readsyms.h (class Read_symbols): Add dirindex_ field.  Add
15175	dirindex parameter to constructor.  Change all callers.  Declare
15176	incompatible_warning and requeue.
15177	(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
15178	input_argument_ and input_group_ fields.  Add them to
15179	constructor.  Change all callers.
15180	(class Read_script): Add dirindex_ field.  Add it to constructor.
15181	Change all callers.
15182	* archive.cc (Archive::setup): Remove input_objects parameter.
15183	Change all callers.
15184	(Archive::get_file_and_offset): Likewise.
15185	(Archive::read_all_symbols): Likewise.
15186	(Archive::read_symbols): Likewise.
15187	(Archive::get_elf_object_for_member): Remove input_objects
15188	parameter.  Add punconfigured parameter.  Change all callers.
15189	(Archive::add_symbols): Change return type to bool.  Check return
15190	value of include_member.
15191	(Archive::include_all_members): Likewise.
15192	(Archive::include_member): Change return type to bool.  Return
15193	false if first included object has incompatible target.  Set
15194	included_member_ field.
15195	(Add_archive_symbols::run): If add_symbols returns false, requeue
15196	Read_symbols task.
15197	* archive.h (class Archive): Add included_member_ field.
15198	Initialize it in constructor.  Add input_file and searched_for
15199	methods.  Update declarations.
15200	(class Add_archive_symbols): Add dirpath_, dirindex_, and
15201	input_argument_ fields.  Add them to constructor.  Change all
15202	callers.
15203	* script.cc: Include "target-select.h".
15204	(class Parser_closure): Add skip_on_incompatible_target_ and
15205	found_incompatible_target_ fields.  Add
15206	skip_on_incompatible_target parameter to constructor.  Change all
15207	callers.  Add methods skip_on_incompatible_target,
15208	clear_skip_on_incompatible_target, found_incompatible_target, and
15209	set_found_incompatible_target.
15210	(read_input_script): Add dirindex parameter.  Change all callers.
15211	If parser finds an incompatible target, requeue Read_symbols
15212	task.
15213	(script_set_symbol): Clear skip_on_incompatible_target in
15214	closure.
15215	(script_add_assertion, script_parse_option): Likewise.
15216	(script_start_sections, script_add_phdr): Likewise.
15217	(script_check_output_format): New function.
15218	* script.h (read_input_script): Update declaration.
15219	* script-c.h (script_check_output_format): Declare.
15220	* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
15221	(ignore_cmd): Remove OUTPUT_FORMAT.
15222	* fileread.cc (Input_file::Input_file): Add explicit this.
15223	(Input_file::will_search_for): New function.
15224	(Input_file::open): Add pindex parameter.  Change all callers.
15225	* fileread.h (class Input_file): Add input_file_argument method.
15226	Declare will_search_for.  Update declarations.
15227	* object.cc (make_elf_object): Add punconfigured parameter.
15228	Change all callers.
15229	* object.h (class Object): Make input_file public.  Add
15230	searched_for method.
15231	(make_elf_object): Update declaration.
15232	* dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
15233	restart search.
15234	* dirsearch.h (class Dirsearch): Update declaration.
15235	* options.h (class General_options): Add --warn-search-mismatch.
15236	* parameters.cc (Parameters::is_compatible_target): New function.
15237	* parameters.h (class Parameters): Declare is_compatible_target.
15238	* workqueue.cc (Workqueue::add_blocker): New function.
15239	* workqueue.h (class Workqueue): Declare add_blocker.
15240
15241	* fileread.cc (Input_file::open): Remove options parameter.
15242	Change all callers.
15243	(Input_file::open_binary): Likewise.
15244	* script.cc (read_input_script): Likewise.
15245	* readsyms.h (class Read_symbols): Remove options_ field.  Remove
15246	options parameter from constructor.  Change all callers.
15247	(class Read_script): Likewise.
15248	* fileread.h (class Input_file): Update declarations.
15249	* script.h (read_input_script): Update declaration.
15250
152512009-03-10  Nick Clifton  <nickc@redhat.com>
15252
15253	* po/es.po: New Spanish translation.
15254
152552009-03-06  Cary Coutant  <ccoutant@google.com>
15256
15257	* options.cc (parse_short_option): Keep dash_z from registering itself.
15258
152592009-03-03  Ian Lance Taylor  <iant@google.com>
15260
15261	PR 9918
15262	* target-reloc.h (relocate_section): Pass output_section to
15263	relocate.
15264	* i386.cc (Target_i386::should_apply_static_reloc): Add
15265	output_section parameter.  Change all callers.
15266	(Target_i386::Relocate::relocate): Add output_section parameter.
15267	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
15268	* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
15269	* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
15270	* testsuite/two_file_shared.sh: New script.
15271	* testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
15272	(check_DATA): Add two_file_shared.dbg.
15273	(two_file_shared.dbg): New target.
15274	* testsuite/Makefile.in: Rebuild.
15275
152762009-03-01  Ian Lance Taylor  <iant@google.com>
15277
15278	* configure.ac: Check for byteswap.h.
15279	* configure: Rebuild.
15280	* config.in: Rebuild.
15281
152822009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
15283
15284	* layout.cc (Layout::find_or_add_kept_section): New function.
15285	(Layout::add_comdat): Removed.
15286	* layout.h (struct Kept_section): Move out of class Layout.
15287	Remove trailing underscores from field names.  Add group_sections
15288	field.  Rename group_ field to is_group.  Change all uses.
15289	(class Layout): Declare find_or_add_kept_section, not add_comdat.
15290	* object.cc (Sized_relobj::Sized_relobj): Don't initialize
15291	comdat_groups_ field.
15292	(Sized_relobj::include_section_group): Use
15293	find_or_add_kept_section and Kept_section::group_sections.
15294	(Sized_relobj::include_linkonce_section): Likewise.
15295	* object.cc (class Sized_relobj): Don't define Comdat_group or
15296	Comdat_group_table.  Remove find_comdat_group and
15297	add_comdat_group.  Remove comdat_groups_ field.
15298	* plugin.cc (include_comdat_group): Use
15299	Layout::find_or_add_kept_section.
15300
153012009-02-28  Ian Lance Taylor  <iant@google.com>
15302
15303	* README: --gc-sections and map files are now supported.  Document
15304	some build requirements.
15305
15306	PR 6992
15307	* symtab.cc (Symbol_table::sized_write_section_symbol): In a
15308	relocatable link set the value of the section symbol to zero.
15309	* object.cc (Sized_relobj::do_finalize_local_symbols): In a
15310	relocatable link don't include the section address in the local
15311	symbol value.
15312
153132009-02-27  Ian Lance Taylor  <iant@google.com>
15314
15315	PR 6811
15316	* options.h (class Search_directory): Add is_system_directory.
15317	(class General_options): Declare is_in_system_directory.
15318	* options.cc (get_relative_sysroot): Make static.
15319	(get_default_sysroot): Make static.
15320	(General_optoins::is_in_system_directory): New function.
15321	* fileread.cc (Input_file::is_in_system_directory): New function.
15322	* fileread.h (class Input_file): Declare is_in_system_directory.
15323	* object.h (class Object): Add is_in_system_directory.
15324	(class Input_objects): Remove system_library_directory_ field.
15325	* object.cc (Input_objects::add_object): Don't set
15326	system_library_directory_.
15327	(input_objects::found_in_system_library_directory): Remove.
15328	* symtab.cc (Symbol_table::write_globals): Remove input_objects
15329	parameter.  Change all callers.
15330	(Symbol_table::sized_write_globals): Likewise.
15331	(Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
15332	Call Object::is_in_system_directory.
15333	* symtab.h (class Symbol_table): Update declarations.
15334
15335	PR 5990
15336	* descriptors.h (Open_descriptor): Add is_on_stack field.
15337	* descriptors.cc (Descriptors::open): If the descriptor is on the
15338	top of the stack, remove it.  Initialize is_on_stack field.
15339	(Descriptors::release): Only add pod to stack if it is not on the
15340	stack already.
15341	(Descriptors::close_some_descriptor): Clear stack_next and
15342	is_on_stack fields.
15343
15344	PR 7091
15345	* output.cc (Output_section::find_starting_output_address): Rename
15346	from starting_output_address; add PADDR parameter; change return
15347	type.
15348	* output.h (class Output_section): Declare
15349	find_starting_output_address instead of starting_output_address.
15350	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
15351	section symbol for which we can't find a merge section.
15352
15353	PR 9836
15354	* symtab.cc (Symbol_table::add_from_object): If the visibility is
15355	hidden or internal, force the symbol to be local.
15356	* resolve.cc (Symbol::override_visibility): Define.
15357	(Symbol::override_base): Use override_visibility.
15358	(Symbol_table::resolve): Likewise.
15359	(Symbol::override_base_with_special): Likewise.
15360	(Symbol_table::override_with_special): If the visibility is hidden
15361	or internal, force the symbol to be local.
15362	* symtab.h (class Symbol): Add set_visibility and
15363	override_visibility.
15364	* testsuite/ver_test_1.sh: New file.
15365	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
15366	(check_DATA): Add ver_test_1.syms.
15367	(ver_test_1.syms): New target.
15368	* testsuite/Makefile.in: Rebuild.
15369
153702009-02-25  Cary Coutant  <ccoutant@google.com>
15371
15372	* layout.cc (Layout::choose_output_section): Don't rename sections
15373	when using a linker script that has a SECTIONS clause.
15374	* Makefile.in: Regenerate.
15375
15376	* testsuite/Makefile.am (script_test_5.sh): New test case.
15377	* testsuite/Makefile.in: Regenerate.
15378	* testsuite/script_test_5.cc: New file.
15379	* testsuite/script_test_5.sh: New file.
15380	* testsuite/script_test_5.t: New file.
15381
153822009-02-13  Rafael Avila de Espindola  <espindola@google.com>
15383
15384	* archive.cc (Archive::include_member): Update calls to add_symbols.
15385	* dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
15386	the Layout argument.
15387	* dynobj.h (do_add_symbols): Add the Layout argument.
15388	* object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
15389	Layout argument.
15390	* object.h (Object::add_symbols): Add the Layout argument.
15391	(Object::do_add_symbols): Add the Layout argument.
15392	(Sized_relobj::do_add_symbols): Add the Layout argument.
15393	* plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
15394	Unify the two versions.
15395	(Add_plugin_symbols): Remove.
15396	* plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
15397	(Sized_pluginobj::do_add_symbols): Unify the two versions.
15398	(Add_plugin_symbols): Remove.
15399	* readsyms.cc (Read_symbols::do_read_symbols): Update call to
15400	Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
15401	(Add_symbols::run): Make it work with Pulginobj.
15402
154032009-02-06  Ian Lance Taylor  <iant@google.com>
15404
15405	* object.cc (Sized_relobj::do_layout): Make info message start
15406	with lower case letter.
15407
154082009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
15409
15410	* binary.cc: Fix file comment.
15411
15412	* options.h (enum Incremental_disposition): Define.
15413	(class General_options): Add new options: --incremental,
15414	--incremental_changed, --incremental_unchanged,
15415	--incremental_unknown.  Add incremental_disposition_ and
15416	implicit_incremental_ fields.
15417	(General_options::incremental_disposition): New function.
15418	(class Position_dependent_options): Add incremental_disposition
15419	option.
15420	(Position_dependent_options::copy_from_options): Set incremental
15421	dispositions.
15422	* options.cc (General_options::parse_incremental_changed): New
15423	function.
15424	(General_options::parse_incremental_unchanged): New function.
15425	(General_options::parse_incremental_unknown): New function.
15426	(General_options::General_options): Initialize new fields
15427	incremental_disposition_ and implicit_incremental_.
15428	(General_options::finalize): Check for uasge of --incremental-*
15429	without --incremental.
15430
154312009-02-06  Chris Demetriou  <cgd@google.com>
15432
15433	* gold.h (gold_undefined_symbol): Change to take only a Symbol
15434	pointer and to report location as the file name associated with
15435	the symbol.
15436	(gold_undefined_symbol_at_location): New function to replace the
15437	old gold_undefined_symbol functionality.
15438	* target-reloc.h (relocate_section): Update to use
15439	gold_undefined_symbol_at_location.
15440	* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
15441	Call gold_undefined_symbol function rather than gold_error.
15442	* errors.h (Errors::undefined_symbol): Take location as a
15443	string, rather than calculating it from a relocation.
15444	* errors.cc (Errors::fatal): Print "fatal error:" before the
15445	formatted message.
15446	(Errors::error, Errors::error_at_location): Print "error: "
15447	before the formatted message.
15448	(Errors::undefined_symbol): Take location as a string, rather
15449	than calculating it from a relocation.
15450	(gold_undefined_symbol_at_location): New function akin to
15451	old gold_undefined_symbol, calculates location from relocation.
15452	(gold_undefined_symbol): Change to take only a Symbol pointer
15453	and to report location as the file name associated with the symbol.
15454	* testsuite/debug_msg.sh: Update for changed error messages.
15455	* testsuite/undef_symbol.sh: Likewise.
15456
154572009-02-04  Duncan Sands  <baldrick@free.fr>
15458
15459	PR 9812
15460	* reduced_debug_output.h
15461	(Output_reduced_debug_abbrev_section::failed): Use format for
15462	gold_warning.
15463	(Output_reduced_debug_info_section::faild): Likewise.
15464
154652009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
15466
15467	* script.cc (Lazy_demangler): New class.
15468	(Version_script_info::get_symbol_version_helper): Demangle a
15469	symbol only once.
15470
154712009-01-29  Cary Coutant  <ccoutant@google.com>
15472
15473	* i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
15474	to __tls_get_addr.
15475	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
15476
154772009-01-28  Ian Lance Taylor  <iant@google.com>
15478
15479	* version.cc (version_string): Bump to 1.9.
15480
15481	* gold.h: Include <cstring> and <stdint.h>.
15482	* version.cc: Include <cstdio>.
15483	* object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
15484	warning.
15485	* reduced_debug_output.cc (insert_into_vector): Rename from
15486	Insert_into_vector; change all callers.  Use Swap_unaligned to
15487	avoid aliasing issue; remove union since it is unnecessary.
15488
154892009-01-27  Sriraman Tallam  <tmsriram@google.com>
15490
15491	* Makefile.am (CCFILES): Add gc.cc.
15492	(HFILES): Add gc.h.
15493	* Makefile.in: Regenerate.
15494	* gold.cc (Gc_runner): New class.
15495	(queue_initial_tasks): Call garbage collection related tasks
15496	when corresponding options are invoked.
15497	(queue_middle_gc_tasks): New function.
15498	(queue_middle_tasks): Reorder tasks to allow relocs to be read and
15499	processed early before laying out sections during garbage collection.
15500	* gold.h (queue_middle_gc_tasks): New function.
15501	(is_prefix_of): Move from "layout.cc".
15502	* i386.cc (Target_i386::gc_process_relocs): New function.
15503	* layout.cc (is_prefix_of): Remove. Move to "gold.h"
15504	* main.cc (main): Create object of class "Garbage_collection".
15505	* object.cc (Relobj::copy_symbols_data): New function.
15506	(Relobj::is_section_name_included): New function.
15507	(Sized_relobj::do_layout): Allow this function to be called twice
15508	during garbage collection and defer layout of section during the
15509	first call.
15510	* object.h (Relobj::get_symbols_data): New function.
15511	(Relobj::is_section_name_included): New function.
15512	(Relobj::copy_symbols_data): New function.
15513	(Relobj::set_symbols_data): New function.
15514	(Relobj::get_relocs_data): New function.
15515	(Relobj::set_relocs_data): New function.
15516	(Relobj::is_output_section_offset_invalid): New pure virtual function.
15517	(Relobj::gc_process_relocs): New function.
15518	(Relobj::do_gc_process_relocs): New pure virtual function.
15519	(Relobj::sd_): New data member.
15520	(Sized_relobj::is_output_section_offset_invalid): New function.
15521	(Sized_relobj::do_gc_process_relocs): New function.
15522	* options.h (General_options::gc_sections): Modify to not be a no-op.
15523	(General_options::print_gc_sections): New option.
15524	* plugin.cc (Plugin_finish::run): Remove function call to
15525	Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
15526	* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
15527	* reloc.cc (Read_relocs::run): Add task to process relocs and
15528	determine unreferenced sections when doing garbage collection.
15529	(Gc_process_relocs): New class.
15530	(Sized_relobj::do_gc_process_relocs): New function.
15531	(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
15532	sections that are garbage collected.
15533	* reloc.h (Gc_process_relocs): New class.
15534	* sparc.cc (Target_sparc::gc_process_relocs): New function.
15535	* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
15536	symbols whose corresponding sections are garbage collected.
15537	(Symbol_table::Symbol_table): Add new parameter for the garbage
15538	collection object.
15539	(Symbol_table::gc_mark_undef_symbols): New function.
15540	(Symbol_table::gc_mark_symbol_for_shlib): New function.
15541	(Symbol_table::gc_mark_dyn_syms): New function.
15542	(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
15543	as garbage.
15544	(Symbol_table::add_from_object): Likewise.
15545	(Symbol_table::add_from_relobj): When building shared objects, do not
15546	treat externally visible symbols as garbage.
15547	(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
15548	table information for static and relocatable links.
15549	* symtab.h (Symbol_table::set_gc): New function.
15550	(Symbol_table::gc): New function.
15551	(Symbol_table::gc_mark_undef_symbols): New function.
15552	(Symbol_table::gc_mark_symbol_for_shlib): New function.
15553	(Symbol_table::gc_mark_dyn_syms): New function.
15554	(Symbol_table::gc_): New data member.
15555	* target.h (Sized_target::gc_process_relocs): New pure virtual
15556	function.
15557	* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
15558	* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
15559
155602009-01-20  Chris Faylor <me.sourceware@sourceware.org>
15561
15562	* options.h (General_options::gc_sections): Define as a no-op for now.
15563	(General_options::no_keep_memory): Ditto.
15564	(General_options::Bshareable): Define.
15565	* options.cc (General_options::finalize): Honor -Bshareable.
15566
155672009-01-20  Andreas Schwab  <schwab@suse.de>
15568
15569	* powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
15570	read the value in the contents, since we don't use it.  Use the
15571	template endianness when writing.
15572	(Relocate::relocate): Use it for R_PPC_REL16_HA.
15573
155742009-01-19  Andreas Schwab  <schwab@suse.de>
15575
15576	* configure.tgt (powerpc64-*): Fix targ_obj.
15577
155782009-01-15  Ian Lance Taylor  <iant@google.com>
15579
15580	* object.cc (Sized_relobj::write_local_symbols): Don't write out
15581	local symbols when stripping all symbols.
15582
155832009-01-14  Cary Coutant  <ccoutant@google.com>
15584
15585	* output.cc (Output_reloc): Add explicit instantiations.
15586
155872009-01-14  Cary Coutant  <ccoutant@google.com>
15588
15589	* archive.cc (Archive::get_elf_object_for_member): Remove call
15590	to File_read::claim_for_plugin.
15591	* descriptors.cc (Descriptors::open): Remove reference to
15592	is_claimed.
15593	(Descriptors::claim_for_plugin): Remove.
15594	* descriptors.h (Descriptors::claim_for_plugin): Remove.
15595	(Descriptors::is_claimed): Remove.
15596	(claim_descriptor_for_plugin): Remove.
15597	* fileread.cc (File_read::claim_for_plugin): Remove.
15598	* fileread.h (File_read::claim_for_plugin): Remove.
15599	(File_read::descriptor): Reopen descriptor if necessary.
15600	* plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
15601	(Plugin_manager::all_symbols_read): Add task parameter. Change
15602	all callers.
15603	(Plugin_manager::get_input_file): New function.
15604	(Plugin_manager::release_input_file): New function.
15605	(Pluginobj::Pluginobj): Add filesize parameter and initialize
15606	corresponding data member.
15607	(Sized_pluginobj::Sized_pluginobj): Add filesize parameter
15608	and pass to base constructor. Change all callers.
15609	(get_input_file, release_input_file): New functions.
15610	(make_sized_plugin_object): Add filesize parameter. Change all callers.
15611	* plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
15612	(Plugin_manager::all_symbols_read): Add task parameter.
15613	(Plugin_manager::get_input_file): New function.
15614	(Plugin_manager::release_input_file): New function.
15615	(Plugin_manager::task_): New data member.
15616	(Pluginobj::Pluginobj): Add filesize parameter.
15617	(Pluginobj::filename): New function.
15618	(Pluginobj::descriptor): New function.
15619	(Pluginobj::filesize): New function.
15620	(Pluginobj::filesize_): New data member.
15621	(Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
15622	* readsyms.cc (Read_symbols::do_read_symbols): Remove call to
15623	File_read::claim_for_plugin; use Object::unlock to unlock the file.
15624
15625	* testsuite/Makefile.am (plugin_test_4): New test case for plugins
15626	with archive libraries.
15627	* testsuite/Makefile.in: Regenerate.
15628	* testsuite/plugin_test.c (struct sym_info): New type.
15629	(get_input_file, release_input_file): New static variables.
15630	(onload): Capture new transfer vector entries.
15631	(claim_file_hook): Stop reading at end of file according to filesize.
15632	Factor out parsing of readelf output into separate function.
15633	(all_symbols_read_hook): Exercise get_input_file and release_input_file
15634	APIs and get the source file name from the symbol table.  Convert
15635	source file name to corresponding object file name.  Print info
15636	message when adding new input files.
15637	(parse_readelf_line): New function.
15638	* testsuite/plugin_test_1.sh: Add checks for new info messages.
15639	* testsuite/plugin_test_2.sh: Likewise.
15640	* testsuite/plugin_test_3.sh: Likewise.
15641	* testsuite/plugin_test_4.sh: New test case.
15642
156432009-01-07  Ian Lance Taylor  <iant@google.com>
15644
15645	* version.cc (version_string): Bump to 1.8.
15646
156472008-12-23  Cary Coutant  <ccoutant@google.com>
15648
15649	* gold.cc (gold_exit): Call plugin cleanup handlers on exit.
15650	* plugin.cc (Plugin_manager::finish): Rename as
15651	layout_deferred_objects.  Move cleanup to separate function.
15652	(Plugin_manager::cleanup): New function.
15653	(Plugin_finish::run): Call layout_deferred_objects and cleanup
15654	separately.
15655	* plugin.h (Plugin_manager::finish): Rename as
15656	layout_deferred_objects.
15657	(Plugin_manager::cleanup): New function.
15658	(Plugin_manager::cleanup_done): New field.
15659
156602008-12-23  Cary Coutant  <ccoutant@google.com>
15661
15662	* plugin.cc (is_visible_from_outside): New function.
15663	(Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
15664	so we don't return "IR only" status for exported symbols or -r links.
15665
15666	* testsuite/Makefile.am (plugin_test_3): New test case.
15667	* testsuite/Makefile.in: Regenerate.
15668	* testsuite/plugin_test_3.sh: New file.
15669
156702008-12-22  Cary Coutant  <ccoutant@google.com>
15671
15672	* object.cc (Sized_relobj::layout_section): New function.
15673	(Sized_relobj::do_layout): Defer layout of input sections until after
15674	plugin has provided replacement files.
15675	(Sized_relobj::do_layout_deferred_sections): New function.
15676	* object.h (Relobj::set_section_offset): Remove virtual keyword.
15677	(Relobj::layout_deferred_sections): New function.
15678	(Relobj::do_layout_deferred_sections): New function.
15679	(Sized_relobj::do_layout_deferred_sections): New function.
15680	(Sized_relobj::layout_section): New function.
15681	(Sized_relobj::Deferred_layout): New structure.
15682	(Sized_relobj::deferred_layout_): New field.
15683	* plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
15684	Change all callers.  Layout deferred sections.
15685	(class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
15686	references.
15687	(Plugin_hook::run): Move code from do_plugin_hook inline.
15688	(Plugin_hook::do_plugin_hook): Remove.
15689	* plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
15690	(Plugin_manager::finish): Renamed, was cleanup.
15691	(Plugin_manager::should_defer_layout): New function.
15692	(Plugin_manager::add_deferred_layout_object): New function.
15693	(Plugin_manager::Deferred_layout_list): New type.
15694	(Plugin_manager::deferred_layout_objects_): New field.
15695	(Plugin_hook::do_plugin_hook): Remove.
15696
156972008-12-17  Ian Lance Taylor  <iant@google.com>
15698
15699	* options.h (class General_options): Add --no case for
15700	--export-dynamic.
15701
157022008-12-16  Cary Coutant  <ccoutant@google.com>
15703
15704	* plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
15705	vector.
15706	(Plugin_manager::claim_file): Create plugin object even if
15707	plugin did not call the add_symbols callback.
15708	(Plugin_obj::get_symbol_resolution_info): Guard against plugin
15709	asking for more symbols than were added.
15710	* testsuite/Makefile.am (plugin_test_1): Add test case with
15711	no global symbols.
15712	(empty.syms): New target.
15713	* testsuite/Makefile.in: Regenerate.
15714	* testsuite/plugin_test.c (claim_file_hook): Add new debug
15715	message. Don't call add_symbols if no globals.
15716	(all_symbols_read_hook): Don't provide replacement for empty
15717	claimed file.
15718
157192008-12-12  Ian Lance Taylor  <iant@google.com>
15720
15721	* target-reloc.h (Default_scan_relocatable_relocs): Only discard
15722	r_type == 0 for a local symbol with r_sym == 0.
15723	(scan_relocatable_relocs): Pass r_sym to
15724	local_non_section_strategy.
15725	* reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
15726	r_sym parameter.
15727
15728	* configure.ac: Update test for TLS descriptors: they are
15729	supported as of glibc 2.9.
15730	* configure: Rebuild.
15731
157322008-12-11  Ian Lance Taylor  <iant@google.com>
15733
15734	PR 7091
15735	* target-reloc.h (Default_scan_relocatable_relocs): For each
15736	function, map r_type == 0 to RELOC_DISCARD.
15737
157382008-12-10  Cary Coutant  <ccoutant@google.com>
15739
15740	* layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
15741	object to override a kept COMDAT group from a plugin object.
15742
157432008-12-09  Ian Lance Taylor  <iant@google.com>
15744
15745	PR 7088
15746	* yyscript.y (file_cmd): Handle INPUT.
15747
15748	* testsuite/initpri1.c: Change all declarations to be full
15749	prototypes by adding void, to avoid compiler warnings.
15750
157512008-12-05  Rafael Avila de Espindola  <espindola@google.com>
15752
15753	* options.cc (General_options::parse_plugin_opt): New.
15754	(General_options::add_plugin): The argument now is just the filename.
15755	(General_options::add_plugin_option): New.
15756	* options.h (plugin_opt): New.
15757	(add_plugin): Change argument name.
15758	(add_plugin_option): New.
15759	* plugin.cc (Plugin::load): Don't parse the plugin option.
15760	* plugin.h (Plugin::Plugin): Rename argument. Init filename_.
15761	(Plugin::add_option): New.
15762	(Plugin::args_): Change type.
15763	(Plugin::filename_): New.
15764	(Plugin_manager::add_plugin_option): New.
15765	* testsuite/Makefile.am (plugin_test_1): Use new syntax.
15766	* testsuite/Makefile.in: Regenerate.
15767
157682008-12-05  Cary Coutant  <ccoutant@google.com>
15769
15770	* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
15771	Handle --strip-lto-sections option.
15772	* options.h (strip_lto_sections): New option.
15773
157742008-12-01  Cary Coutant  <ccoutant@google.com>
15775
15776	* plugin.cc (ld_plugin_message): Change format parameter to const.
15777	Fix mismatch between new[] and delete.
15778
157792008-11-14  Cary Coutant  <ccoutant@google.com>
15780
15781	* reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
15782	instead of -1U.
15783
157842008-11-05  Craig Silverstein  <csilvers@google.com>
15785
15786	* options.cc (General_options::parse_dynamic_list): New function.
15787	* options.h (General_options): New flags dynamic_list,
15788	dynamic_list_data, dynamic_list_cpp_new, and
15789	dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
15790	(General_options::in_dynamic_list): New function.
15791	* script.cc (Lex::Mode): New enum DYNAMIC_LIST.
15792	(Lex::can_start_name): Add support for DYNAMIC_LIST mode.
15793	(Lex::can_continue_name): Likewise.
15794	(yylex): Likewise.
15795	(read_script_file): New parameter script_options.
15796	(read_dynamic_list): New function.
15797	(Script_options::define_dynamic_list): New function.
15798	(dynamic_list_keyword_parsecodes): New variable.
15799	(dynamic_list_keywords): New variable.
15800	* script.h (Script_options::define_dynamic_list): New function
15801	prototype.
15802	(read_dynamic_list): New function prototype.
15803	* symtab.cc (strprefix): New macro.
15804	(Symbol::should_add_dynsym_entry): Support dynamic_list,
15805	dynamic_list_data, dynamic_list_cpp_new, and
15806	dynamic_list_cpp_typeinfo.
15807	* yyscript.y (PARSING_DYNAMIC_LIST): New token.
15808	(dynamic_list_expr): New rule.
15809	(dynamic_list_nodes): Likewise.
15810	(dynamic_list_node): Likewise.
15811	* testsuite/Makefile.am (dynamic_list): New test.
15812	* testsuite/Makefile.in: Regenerated.
15813	* testsuite/dynamic_list.t: New file.
15814	* testsuite/dynamic_list.sh: New file.
15815
158162008-11-05  Craig Silverstein  <csilvers@google.com>
15817
15818	* testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
15819	* testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
15820	(t11_last): Likewise.
15821	* testsuite/ver_test_6.c (main): Likewise.
15822
158232008-10-07  Cary Coutant  <ccoutant@google.com>
15824
15825	* options.c (General_options::finalize): Add check for -static and
15826	-shared.
15827	* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
15828	is not empty.
15829
158302008-10-02  Cary Coutant  <ccoutant@google.com>
15831
15832	* plugin.cc (make_sized_plugin_object): Fix conditional
15833	compilation to work when not all targets are enabled.
15834
158352008-09-29  Cary Coutant  <ccoutant@google.com>
15836
15837	* archive.cc (Archive::get_file_and_offset): Use filename instead
15838	of name to get library path.
15839	(Archive::include_member): Unlock external member of a thin archive.
15840
15841	* testsuite/Makefile.am (TEST_AR): New variable.
15842	(thin_archive_test_1): New test.
15843	(thin_archive_test_2): New test.
15844	* testsuite/Makefile.in: Regenerate.
15845	* testsuite/thin_archive_main.cc: New file.
15846	* testsuite/thin_archive_test_1.cc: New file.
15847	* testsuite/thin_archive_test_2.cc: New file.
15848	* testsuite/thin_archive_test_3.cc: New file.
15849	* testsuite/thin_archive_test_4.cc: New file.
15850
158512008-09-29  Cary Coutant  <ccoutant@google.com>
15852
15853	* mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
15854	* object.cc (Sized_relobj::do_layout): Use constant invalid_address
15855	instead of -1U.
15856	(Sized_relobj::do_finalize_local_symbols): Likewise.
15857	(Sized_relobj::map_to_kept_section): Likewise.
15858	* object.h (Sized_relobj::invalid_address): New constant.
15859	(Sized_relobj::do_output_section_offset): Check for invalid_address
15860	and return -1ULL.
15861	* output.cc (Output_reloc::local_section_offset): Use constant
15862	invalid_address instead of -1U.
15863	(Output_reloc::get_address): Likewise.
15864	(Output_section::output_address): Change -1U to -1ULL.
15865	* output.h (Output_reloc::invalid_address): New constant.
15866	* reloc.cc (Sized_relobj::write_sections): Use constant
15867	invalid_address instead of -1U.
15868	(Sized_relobj::relocate_sections): Likewise.
15869	* symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
15870	values for merge sections.
15871	* target-reloc.h (relocate_for_relocatable): Use constant
15872	invalid_address instead of -1U.
15873
158742008-09-19  Cary Coutant  <ccoutant@google.com>
15875
15876	Add plugin functionality for link-time optimization (LTO).
15877	* configure.ac (plugins): Add --enable-plugins option.
15878	* configure: Regenerate.
15879	* config.in: Regenerate.
15880	* Makefile.am (LIBDL): New variable.
15881	(CCFILES): Add plugin.cc.
15882	(HFILES): Add plugin.h.
15883	(ldadd_var): Add LIBDL.
15884	* Makefile.in: Regenerate.
15885
15886	* archive.cc: Include "plugin.h".
15887	(Archive::setup): Don't preread archive symbols when using a plugin.
15888	(Archive::get_file_and_offset): Add memsize parameter.  Change callers.
15889	(Archive::get_elf_object_for_member): Call plugin hooks for claiming
15890	files.
15891	(Archive::include_member): Add symbols from plugin objects.
15892	* archive.h (Archive::get_file_and_offset): Add memsize parameter.
15893	* descriptors.cc (Descriptors::open): Check for file descriptors
15894	abandoned by plugins.
15895	(Descriptors::claim_for_plugin): New function.
15896	* descriptors.h (Descriptors::claim_for_plugin): New function.
15897	(Open_descriptor::is_claimed): New field.
15898	(claim_descriptor_for_plugin): New function.
15899	* fileread.cc (File_read::claim_for_plugin): New function.
15900	* fileread.h (File_read::claim_for_plugin): New function.
15901	(File_read::descriptor): New function.
15902	* gold.cc: Include "plugin.h".
15903	(queue_initial_tasks): Add task to call plugin hooks for generating
15904	new object files.
15905	* main.cc: Include "plugin.h".
15906	(main): Load plugin libraries.
15907	* object.h (Pluginobj): Declare.
15908	(Object::pluginobj): New function.
15909	(Object::do_pluginobj): New function.
15910	(Object::set_target): New function.
15911	* options.cc: Include "plugin.h".
15912	(General_options::parse_plugin): New function.
15913	(General_options::General_options): Initialize plugins_ field.
15914	(General_options::add_plugin): New function.
15915	* options.h (Plugin_manager): Declare.
15916	(General_options): Add --plugin option.
15917	(General_options::has_plugins): New function.
15918	(General_options::plugins): New function.
15919	(General_options::add_plugin): New function.
15920	(General_options::plugins_): New field.
15921	* plugin.cc: New file.
15922	* plugin.h: New file.
15923	* readsyms.cc: Include "plugin.h".
15924	(Read_symbols::do_read_symbols): Check for archive before checking
15925	for ELF file.  Call plugin hooks to claim files.
15926	* resolve.cc (Symbol_table::resolve): Record when symbol is referenced
15927	from a real object file; force override when processing replacement
15928	files.
15929	* symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
15930	(Symbol::init_base_object): Likewise.
15931	(Symbol::init_base_output_data): Likewise.
15932	(Symbol::init_base_output_segment): Likewise.
15933	(Symbol::init_base_constant): Likewise.
15934	(Symbol::init_base_undefined): Likewise.
15935	(Symbol::output_section): Assert that object is not a plugin.
15936	(Symbol_table::add_from_pluginobj): New function.
15937	(Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
15938	undefined.
15939	(Symbol_table::sized_write_globals): Likewise.
15940	(Symbol_table::add_from_pluginobj): Instantiate template.
15941	* symtab.h (Sized_pluginobj): Declare.
15942	(Symbol::in_real_elf): New function.
15943	(Symbol::set_in_real_elf): New function.
15944	(Symbol::in_real_elf_): New field.
15945	(Symbol_table::add_from_pluginobj): New function.
15946
15947	* testsuite/Makefile.am (AM_CFLAGS): New variable.
15948	(LIBDL): New variable.
15949	(LDADD): Add LIBDL.
15950	(check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
15951	(check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
15952	(check_DATA): Add plugin_test_1.err and plugin_test_2.err.
15953	(MOSTLYCLEANFILES): Likewise.
15954	* testsuite/Makefile.in: Regenerate.
15955	* testsuite/plugin_test.c: New file.
15956	* testsuite/plugin_test_1.sh: New file.
15957	* testsuite/plugin_test_2.sh: New file.
15958
159592008-09-16  Ian Lance Taylor  <iant@google.com>
15960
15961	* target-reloc.h (relocate_section): Check whether a symbol is
15962	defined by the ABI before reporting an undefined symbol error.
15963	* target.h (Target::is_defined_by_abi): Make parameter const.
15964	(Target::do_is_defined_by_abi): Likewise.
15965	* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
15966	* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
15967	* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
15968	* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
15969	* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
15970	* testsuite/Makefile.in: Rebuild.
15971
15972	* fileread.cc (make_view): Add casts to avoid warning.
15973
159742008-09-16  Alexandre Oliva  <aoliva@redhat.com>
15975
15976	* i386.cc (Target_i386::define_tls_base_symbol): Update comments.
15977	* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
15978
159792008-09-16  Alexandre Oliva  <aoliva@redhat.com>
15980
15981	* options.h (General_options::output_is_executable): New.
15982	(General_options::output_is_pie): New.
15983	* i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
15984	for shared libraries.
15985	* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
15986
159872008-09-11  Chris Demetriou  <cgd@google.com>
15988
15989	* options.h (origin): New -z option.
15990	* layout.cc (Layout:finish_dynamic_section): If "-z origin"
15991	is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
15992	in DT_FLAGS_1.
15993
159942008-09-05  Cary Coutant  <ccoutant@google.com>
15995
15996	* fileread.cc (File_read::make_view): Add check for attempt to map
15997	beyond end of file.
15998
159992008-09-05  Cary Coutant  <ccoutant@google.com>
16000
16001	* symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
16002	explicit instantiations.
16003
160042008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
16005
16006	PR gold/6858
16007	* options.cc (General_options::finalize): Allow undefined symbols
16008	in shlibs if linking -shared.
16009
16010	PR gold/6859
16011	* symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
16012	symbols as not needing a dynsym entry.
16013
160142008-08-20  Craig Silverstein  <csilvers@google.com>
16015
16016	* fileread.cc (File_read::open): Do not lock the file unless it
16017	was successfully opened.
16018
160192008-08-14  Cary Coutant  <ccoutant@google.com>
16020
16021	* x86_64.cc (Target_x86_64::Relocate::relocat_tls):
16022	Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
16023	* testsuite/tls_test.cc (struct int128): 128-bit struct
16024	for testing TLS relocs with non-zero addend.
16025	(v12): New TLS variable.
16026	(t12): New test.
16027	(t_last): Add check for v12.
16028	* testsuite/tls_test.h (t12): New function.
16029	* testsuite/tls_test_main.cc (thread_routine): Call new test.
16030
160312008-08-13  Ian Lance Taylor  <iant@google.com>
16032
16033	* layout.cc (Layout::attach_allocated_section_to_segment): Don't
16034	set tls_segment_ or relro_segment_.
16035	(Layout::make_output_segment): Set tls_segment_ and relro_segment_
16036	when appropriate.
16037	* output.h (Output_section::clear_is_relro): New function.
16038	* output.cc (Output_segment::add_output_section): Handle SHF_TLS
16039	sections specially even when output_data_ is empty.
16040	(Output_segment::maximum_alignment): When first section is relro,
16041	only force alignment for PT_LOAD segments.
16042	* script.cc (script_data_segment_align): New function.
16043	(script_data_segment_relro_end): New function.
16044	* script-c.h (script_data_segment_align): Declare.
16045	(script_data_segment_relro_end): Declare.
16046	* script-sections.h (class Script_sections): Declare
16047	data_segment_align and data_segment_relro_end.  Add fields
16048	segment_align_index_ and saw_relro_end_.
16049	* script-sections.cc (class Sections_element): Add set_is_relro
16050	virtual function.  Add new bool* parameter to place_orphan_here.
16051	Add get_output_section virtual function.
16052	(class Output_section_definition): Add set_is_relro.  Add new
16053	bool* parameter to place_orphan_here.  Add get_output_section.
16054	Add is_relro_ field.
16055	(Output_section_definition::Output_section_definition): Initialize
16056	evaluated_address_, evaluated_load_address, evaluated_addralign_,
16057	and is_relro_ fields.
16058	(Output_section_definition::place_orphan_here): Add is_relro
16059	parameter.
16060	(Output_section_definition::set_section_addresses): Set relro for
16061	output section.
16062	(Output_section_definition::alternate_constraint): Likewise.
16063	(class Orphan_output_section): Add new bool* parameter to
16064	place_orphan_here.  Add get_output_section.
16065	(Orphan_output_section::place_orphan_here): Add is_relro
16066	parameter.
16067	(Script_sections::Script_sections): Initialize
16068	data_segment_align_index_ and saw_relro_end_.
16069	(Script_sections::data_segment_align): New function.
16070	(Script_sections::data_segment_relro_end): New function.
16071	(Script_sections::place_orphan): Set or clear is_relro.
16072	(Script_sections::set_section_addresses): Force alignment of first
16073	TLS section.
16074	* yyscript.y (exp): Call script_data_segment_align and
16075	script_data_segment_relro_end.
16076	* testsuite/relro_script_test.t: New file.
16077	* testsuite/relro_test.cc (using_script): Declare.
16078	(t1, t2): Test using_script.
16079	* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
16080	(relro_script_test_SOURCES): Define.
16081	(relro_script_test_DEPENDENCIES): Define.
16082	(relro_script_test_LDFLAGS): Define.
16083	(relro_script_test_LDADD): Define.
16084	(relro_script_test.so): New target.
16085	* testsuite/Makefile.in: Rebuild.
16086
160872008-08-06  Cary Coutant <ccoutant@google.com>
16088
16089	* archive.cc (Archive::total_archives, Archive::total_members)
16090	(Archive::total_members_loaded): New variables.
16091	(Archive::setup): Add parameter.  Add option to preread
16092	archive symbols.
16093	(Archive::read_armap): Add counter.
16094	(Archive::get_file_and_offset): New function.
16095	(Archive::get_elf_object_for_member): New function.
16096	(Archive::read_all_symbols): New function.
16097	(Archive::read_symbols): New function.
16098	(Archive::add_symbols): Add counters.
16099	(Archive::include_all_members): Use armap to find members if it's
16100	already built.
16101	(Archive::include_member): Skip reading symbols if already read.
16102	Factored code into Archive::get_file_and_offset and
16103	Archive::get_elf_object_for_member.  Changed call to
16104	Mapfile::report_include_archive_member.
16105	(Archive::print_stats): New function.
16106	* archive.h: Declare Object and Read_symbols_data classes.
16107	(Archive::Archive): Add initializers for new members.
16108	(Archive::setup): Add parameter.
16109	(Archive::print_stats): New function.
16110	(Archive::total_archives, Archive::total_members)
16111	(Archive::total_members_loaded): New variables.
16112	(Archive::get_file_and_offset): New function.
16113	(Archive::get_elf_object_for_member): New function.
16114	(Archive::read_all_symbols): New function.
16115	(Archive::read_symbols): New function.
16116	(Archive::Archive_member): New class.
16117	(Archive::members_): New member.
16118	(Archive::num_members_): New member.
16119	* main.cc: Include archive.h.
16120	(main): Call Archive::print_stats.
16121	* mapfile.cc (Mapfile::report_include_archive_member): Delete
16122	archive parameter; member_name is now the fully-decorated name.
16123	* mapfile.h (Mapfile::report_include_archive_member): Likewise.
16124	* options.h: (General_options): Add --preread-archive-symbols option.
16125	* readsyms.cc (Read_symbols::do_read_symbols): Change call to
16126	Archive::setup.
16127
161282008-08-04  Ian Lance Taylor  <iant@google.com>
16129
16130	* symtab.h (Symbol::use_plt_offset): New function.
16131	* i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
16132	* powerpc.cc (Relocate::relocate): Likewise.
16133	* sparc.cc (Relocate::relocate): Likewise.
16134	* x86_64.cc (Relocate::relocate): Likewise.
16135	* testsuite/weak_plt.sh: New test.
16136	* testsuite/weak_plt_main.cc: New test.
16137	* testsuite/weak_plt_shared.cc: New test.
16138	* testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
16139	(check_PROGRAMS): Add weak_plt.
16140	(check_DATA): Add weak_plt_shared.so.
16141	(weak_plt_main_pic.o, weak_plt): New targets.
16142	(weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
16143	* testsuite/Makefile.in: Rebuild.
16144
16145	* testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
16146	gcctestdir/ld.
16147	(weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
16148	* testsuite/Makefile.in: Rebuild.
16149
161502008-08-04  Alan Modra  <amodra@bigpond.net.au>
16151
16152	* Makefile.am (POTFILES.in): Set LC_ALL=C.
16153	* Makefile.in: Regenerate.
16154	* po/POTFILES.in: Regenerate.
16155
161562008-07-29  Ian Lance Taylor  <iant@google.com>
16157
16158	* script.cc (Script_options::finalize_symbols): Finalize SECTIONS
16159	symbols before other symbols.
16160	* testsuite/script_test_2.cc (test_addr): Declare.
16161	(test_addr_alias): Declare.
16162	(main): Check that test_addr and test_addr_alias have the right
16163	values.
16164	* testsuite/script_test_2.t: Define test_addr_alias and
16165	test_addr.
16166
161672008-07-24  Ian Lance Taylor  <iant@google.com>
16168
16169	PR 5990
16170	* descriptors.cc: New file.
16171	* descriptors.h: New file.
16172	* gold-threads.h (class Hold_optional_lock): New class.
16173	* fileread.cc: Include "descriptors.h".
16174	(File_read::~File_read): Release descriptor rather than closing
16175	it.
16176	(File_read::open) [file]: Call open_descriptor rather than open.
16177	Set is_descriptor_opened_.
16178	(File_read::open) [memory]: Assert that descriptor is not open.
16179	(File_read::reopen_descriptor): New function.
16180	(File_read::release): Release descriptor.
16181	(File_read::do_read): Make non-const.  Reopen descriptor.
16182	(File_read::read): Make non-const.
16183	(File_read::make_view): Reopen descriptor.
16184	(File_read::do_readv): Likewise.
16185	* fileread.h (class File_read): Add is_descriptor_opened_ field.
16186	Update declarations.
16187	* layout.cc: Include "descriptors.h".
16188	(Layout::create_build_id): Use open_descriptor rather than open.
16189	* output.cc: Include "descriptors.h".
16190	(Output_file::open): Use open_descriptor rather than open.
16191	* archive.cc (Archive::const_iterator): Change Archive to be
16192	non-const.
16193	(Archive::begin, Archive::end): Make non-const.
16194	(Archive::count_members): Likewise.
16195	* archive.h (class Archive): Update declarations.
16196	* object.h (Object::read): Make non-const.
16197	* Makefile.am (CCFILES): Add descriptors.cc.
16198	(HFILES): Add descriptors.h.
16199	* Makefile.in: Rebuild.
16200
16201	PR 6716
16202	* gold.h: Always include <clocale>.  Add Solaris workarounds
16203	following code in binutils/sysdep.h.
16204
16205	PR 6048
16206	* ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
16207	this->eh_frame_hdr_ is NULL before using it.
16208
16209	* dynobj.cc (Versions::Versions): Update comment.
16210
16211	* dynobj.cc (Versions::Versions): If there is an soname, use it as
16212	the base version name.
16213
16214	* stringpool.cc (Stringpool_template::add_with_length): Set key to
16215	array size plus one.
16216	(Stringpool_template::set_string_offsets): Subtract one from key
16217	before using it as an array index.
16218	(Stringpool_template::get_offset_with_length): Likewise.
16219	(Stringpool_template::write_to_buffer): Likewise.
16220	* stringpool.h (Stringpool_template::get_offset_from_key):
16221	Likewise.
16222
162232008-07-23  Ian Lance Taylor  <iant@google.com>
16224
16225	PR 6658
16226	* object.h (Merged_symbol_value::value): Do our best to handle a
16227	negative addend.
16228
16229	PR 6647
16230	* script.cc (Version_script_info::get_versions): Don't add empty
16231	version tag to return value.
16232	(Version_script_info::get_symbol_version_helper): Change return
16233	type to bool.  Add pversion parameter.  Change all callers.
16234	(script_register_vers_node): Don't require a non-NULL tag.
16235	* script.h (class Version_script_info): Update declarations.
16236	(Version_script_info::get_symbol_version): Change return type to
16237	bool.  Add version parameter.  Change all callers.
16238	* symtab.cc (Sized_symbol::add_from_relobj): Rework version
16239	handling.  Handle an empty version from a version script.
16240	(Symbol_table::define_special_symbol): Likewise.
16241	* testsuite/ver_test_10.script: New file.
16242	* testsuite/ver_test_10.sh: New file.
16243	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
16244	(check_DATA): Add ver_test_10.syms.
16245	(ver_test_10.syms, ver_test_10.so): New target.
16246	* testsuite/Makefile.in: Rebuild.
16247
162482008-07-23  Simon Baldwin  <simonb@google.com>
16249
16250	* symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
16251	to zero for undefined symbols from dynamic libraries.
16252
162532008-07-23  Ian Lance Taylor  <iant@google.com>
16254
16255	* symtab.cc (Symbol_table::resolve): Remove version parameter.
16256	Change all callers.
16257	* symtab.h (class Symbol_table): Update declaration.
16258	* testsuite/ver_test_9.cc: New file.
16259	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
16260	(ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
16261	(ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
16262	(ver_test_9.so, ver_test_9.o): New targets.
16263	* testsuite/Makefile.in: Rebuild.
16264
162652008-07-22  Ian Lance Taylor  <iant@google.com>
16266
16267	* options.h (class General_options): Define --check-sections.
16268	* layout.cc (Layout::set_segment_offsets): Handle
16269	--check-sections.
16270
16271	* options.h (class General_options): Define -n/--nmagic and
16272	-N/--omagic.
16273	* options.cc (General_options::finalize): For -n/--nmagic or
16274	-N/--omagic, set -static.
16275	* layout.cc (Layout::attach_allocated_section_to_segment): If
16276	-N/--omagic, don't put read-only and read-write sections in
16277	different segments.
16278	(Layout::find_first_load_seg): If -N/--omagic, don't insist on
16279	finding a read-only segment.
16280	(Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
16281	don't set the minimum segment alignment to the common page size,
16282	and don't set the file offset to the address modulo the page size.
16283	* script-sections.cc (Script_sections::create_segments): If
16284	-n/--omagic, don't put read-only and read-write sections in
16285	different segments.
16286
16287	* cref.cc: New file.
16288	* cref.h: New file.
16289	* options.h (class General_options): Add --print-symbol-counts.
16290	* main.cc (main): Issue defined symbol report if requested.
16291	* archive.cc (Archive::interpret_header): Make into a const member
16292	function.
16293	(Archive::add_symbols): Call Input_objects::archive_start and
16294	archive_stop.
16295	(Archive::const_iterator): Define new class.
16296	(Archive::begin, Archive::end): New functions.
16297	(Archive::include_all_members): Rewrite to use iterator.
16298	(Archive::count_members): New function.
16299	* archive.h (class Archive): Update declarations.
16300	(Archive::filename): New function.
16301	* object.cc: Include "cref.h".
16302	(Sized_relobj::Sized_relobj): Initialize defined_count_.
16303	(Sized_relobj::do_get_global_symbol_counts): New function.
16304	(Input_objects::add_object): Add object to cross-referencer.
16305	(Input_objects::archive_start): New function.
16306	(Input_objects::archive_stop): New function.
16307	(Input_objects::print_symbol_counts): New function.
16308	* object.h: Declare Cref and Archive.
16309	(Object::get_global_symbol_counts): New function.
16310	(Object::do_get_global_symbol_counts): New pure virtual function.
16311	(class Sized_relobj): Add defined_count_ field.  Update
16312	declarations.
16313	(class Input_objects): Add cref_ field.  Update constructor.
16314	Update declarations.
16315	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
16316	defined_count_.
16317	(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
16318	symbol counts.
16319	(Sized_dynobj::do_get_global_symbol_counts): New function.
16320	* dynobj.h (class Sized_dynobj): Add fields symbols_ and
16321	defined_count_.  Update declarations.  Define Symbols typedef.
16322	* symtab.cc (Symbol_table::add_from_relobj): Add defined
16323	parameter.  Change all callers.
16324	(Symbol_table::add_from_dynobj): Add sympointers and defined
16325	parameters.  Change all callers.
16326	* symtab.h (class Symbol_table): Update declarations.
16327	* Makefile.am (CCFILES): Add cref.cc.
16328	(HFILES): Add cref.h.
16329	* Makefile.in: Rebuild.
16330
163312008-07-22  Simon Baldwin  <simonb@google.com>
16332
16333	* symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
16334	to zero when writing undefined symbols.
16335
163362008-07-22  Ian Lance Taylor  <iant@google.com>
16337
16338	* output.cc (Output_section::add_input_section): Don't try to
16339	merge empty merge sections.
16340
163412008-07-21  Craig Silverstein  <csilvers@google.com>
16342
16343	* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
16344	Include symbol version in error message.
16345
163462008-07-20  Chris Demetriou  <cgd@google.com>
16347
16348	* configure.ac (gold_cv_c_random_seed): New configured variable.
16349	(RANDOM_SEED_CFLAGS): New substituted variable.
16350	* Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
16351	* configure: Rebuild.
16352	* Makefile.in: Likewise.
16353	* testsuite/Makefile.in: Likewise.
16354
163552008-07-18  Ian Lance Taylor  <iant@google.com>
16356
16357	* symtab.cc (Symbol_table::add_from_object): Rewrite the case
16358	where we see NAME/NULL and NAME/VERSION  as separate symbols.
16359	* testsuite/ver_test_main.cc (main): Call t4.
16360	(t4, t4_2a): Define.
16361	* testsuite/ver_test_2.cc (t4_2): Define.
16362	* testsuite/ver_test_2.script: Put t4_2a in VER2.
16363	* testsuite/ver_test_4.cc (t4_2a): Define.
16364	* testsuite/ver_test_4.script: Put t4_2a in VER2.
16365	* testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
16366
163672008-07-17  Ian Lance Taylor  <iant@google.com>
16368
16369	* dynobj.cc (Versions::add_def): If we give an error about a
16370	missing version, go ahead and create the version anyhow.
16371
163722008-07-10  Ian Lance Taylor  <iant@google.com>
16373
16374	Handle output sections with more than 0x7fffffff bytes.
16375	* object.h (class Relobj): Change map_to_output_ to
16376	output_sections_, and just keep a section pointer.  Change all
16377	uses.  Move comdat group support to Sized_relobj.
16378	(Relobj::is_section_specially_mapped): Remove.
16379	(Relobj::output_section): Remove poff parameter.  Change all
16380	callers.
16381	(Relobj::output_section_offset): New function.
16382	(Relobj::set_section_offset): Rewrite.
16383	(Relobj::map_to_output): Remove.
16384	(Relobj::output_sections): New function.
16385	(Relobj::do_output_section_offset): New pure virtual function.
16386	(Relobj::do_set_section_offset): Likewise.
16387	(class Sized_relobj): Add section_offsets_ field.  Add comdat
16388	group support from Relobj.  Update declarations.
16389	(Sized_relobj::get_output_section_offset): New function.
16390	(Sized_relobj::do_output_section_offset): New function.
16391	(Sized_relobj::do_set_section_offset): New function.
16392	* object.cc (Relobj::output_section_address): Remove.
16393	(Sized_relobj::Sized_relobj): Initialize new fields.
16394	(Sized_relobj::include_section_group): Cast find_kept_object to
16395	Sized_relobj.
16396	(Sized_relobj::include_linkonce_section): Likewise.
16397	(Sized_relobj::do_layout): Use separate arrays for output section
16398	and output offset.
16399	(Sized_relobj::do_count_local_symbols): Change map_to_output to
16400	output_sections.
16401	(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
16402	output_sections and section_offsets.
16403	(Sized_relobj::write_local_symbols): Likewise.
16404	(map_to_kept_section): Compute output address directly.
16405	* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
16406	output_sections and section_offsets.
16407	(Sized_relobj::write_sections): Likewise.
16408	(Sized_relobj::relocate_sections): Likewise.
16409	* symtab.cc (sized_finalize_symbol): Use output_section_offset.
16410	* output.h (class Output_reloc): Update declarations.  Change
16411	u2_.relobj to Sized_relobj*.
16412	(class Output_data_reloc): Change add functions to use
16413	Sized_relobj*.
16414	* output.cc (Output_reloc::Output_reloc): Change relobj to
16415	Sized_relobj*.
16416	(Output_reloc::local_section_offset): Change return type to
16417	Elf_Addr.  Use get_output_section_offset.
16418	(Output_reloc::get_address): Likewise.
16419	(Output_section::is_input_address_mapped): Don't call
16420	is_section_specially_mapped.
16421	(Output_section::output_offset): Likewise.
16422	(Output_section::output_address): Likewise.
16423	(Output_section::starting_output_address): Likewise.
16424	* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
16425	parameter to Sized_relobj*.
16426	(Copy_relocs::need_copy_reloc): Likewise.
16427	(Copy_relocs::save): Likewise.
16428	* copy-relocs.h (class Copy_relocs): Update declarations.
16429	(class Copy_relocs::Copy_reloc_entry): Change constructor to use
16430	Sized_relobj*.  Change relobj_ field to Sized_relobj*.
16431	* target-reloc.h (relocate_for_relocatable): Change
16432	offset_in_output_section type to Elf_Addr.  Change code that uses
16433	it as well.
16434	* layout.cc (Layout::layout): Always set *off.
16435	* mapfile.cc (Mapfile::print_input_section): Use
16436	output_section_offset.
16437	* i386.cc (Target_i386::copy_reloc): Change object parameter to
16438	Sized_relobj*.
16439	* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
16440	* sparc.cc (Target_sparc::copy_reloc): Likewise.
16441	* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
16442
164432008-07-03  Ian Lance Taylor  <iant@google.com>
16444
16445	* layout.cc (Layout::include_section): Do not discard unrecognized
16446	SHT_STRTAB sections.
16447
164482008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
16449
16450	* script.cc (Lex::can_continue_name): Make '?' allowable in
16451	version-script names.
16452	* testsuite/version_script.map: Change glob pattern to use '?'
16453
164542008-06-30  Manish Singh  <yosh@gimp.org>
16455
16456	PR 6585
16457	* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
16458	Correct typo.
16459
164602008-06-30  Ian Lance Taylor  <iant@google.com>
16461
16462	PR 6660
16463	PR 6682
16464	* powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
16465	versions]: Don't try to read the value in the contents, since we
16466	don't use it.  Use the template endianness when writing.
16467
164682008-06-25  Cary Coutant  <ccoutant@google.com>
16469
16470	* fileread.cc (File_read::make_view): Assert on zero-length view.
16471	* object.cc (Sized_relobj::do_read_symbols): Don't try to read
16472	symbol table when there are no symbols to read.
16473
164742008-06-23  Craig Silverstein  <csilvers@google.com>
16475
16476	* version.cc (version_string): Bump to 1.7
16477
164782008-06-18  Craig Silverstein  <csilvers@google.com>
16479
16480	* powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
16481	constant 0xFFFF to type Valtype.
16482	(Powerpc_relocate_functions::rel16_ha): Likewise.
16483
164842008-06-17  Ian Lance Taylor  <iant@google.com>
16485
16486	* output.h (Output_section::Input_section): Initialize p2align_ to
16487	zero for Output_section_data constructors.
16488	(Output_section::Input_section::addralign): If not an input
16489	section, return the alignment of the Output_section_data.
16490	* testsuite/copy_test.cc: New file.
16491	* testsuite/copy_test_1.cc: New file.
16492	* testsuite/copy_test_2.cc: New file.
16493	* testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
16494	(copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
16495	(copy_test_LDFLAGS, copy_test_LDADD): New variables.
16496	(copy_test_1_pic.o, copy_test_1.so): New targets.
16497	(copy_test_2_pic.o, copy_test_2.so): New targets.
16498	* testsuite/Makefile.in: Rebuild.
16499
16500	* script-sections.cc (Script_sections::place_orphan): Initialize
16501	local variable exact.
16502
165032008-06-13  David Edelsohn  <edelsohn@gnu.org>
16504
16505	* powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
16506
165072008-06-12  David Edelsohn  <edelsohn@gnu.org>
16508	    David S. Miller  <davem@davemloft.net>
16509
16510	* powerpc.cc: New file.
16511	* Makefile.am (TARGETSOURCES): Add powerpc.cc
16512	(ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
16513	* configure.tgt: Add entries for powerpc-* and powerpc64-*.
16514	* Makefile.in: Rebuild.
16515
165162008-06-09  Ian Lance Taylor  <iant@google.com>
16517
16518	* testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
16519	<exception>.
16520	(throwing, orig_terminate): New static variables.
16521	(terminate_handler): New static function.
16522	(t2): Set terminate handler.
16523
165242008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
16525
16526	PR 6584
16527	* binary.cc (Binary_to_elf::sized_convert): Fix .data
16528	alignment.
16529
165302008-05-30  Cary Coutant  <ccoutant@google.com>
16531
16532	* archive.cc (Archive::include_all_members) Correct to step
16533	over symbol table and extended name table in thin archives.
16534
165352008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
16536
16537	PR 6407
16538	* target-reloc.h (relocate_for_relocatable): Fix new_offset
16539	calculation.
16540
165412008-05-28  Caleb Howe  <cshowe@google.com>
16542
16543	* reduced_debug_output.cc: New file.
16544	* reduced_debug_output.h: New file.
16545	* options.h (class General_options): Add --strip-debug-non-line.
16546	* options.cc (General_options::finalize): Add strip_debug_non_line
16547	to the strip heirarchy.
16548	* layout.h (class Layout): Add debug_abbrev_ and debug_info_
16549	fields.
16550	* layout.cc: Include "reduced_debug_output.h".
16551	(Layout::Layout): Initialize new fields.
16552	(line_only_debug_sections): New static array.
16553	(is_lines_only_debug_sections): New static inline function.
16554	(Layout::include_section): Handle --strip-debug-non-line.
16555	(Layout::make_output_section): If --strip-debug-non-line, build
16556	new output sections for .debug_abbrev and .debug_info.
16557	* dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
16558	gold.  Warn about possible overflow.
16559	(read_signed_LEB_128): Likewise.
16560	* dwarf_reader.h: (read_unsigned_LEB_128): Declare.
16561	(read_signed_LEB_128): Declare.
16562	* Makefile.am (CCFILES): Add reduced_debug_output.cc.
16563	(HFILES): Add reduced_debug_output.h.
16564	* Makefile.in: Rebuild.
16565
165662008-05-21  Ian Lance Taylor  <iant@google.com>
16567
16568	* mapfile.cc: New file.
16569	* mapfile.h: New file.
16570	* options.h (class General_options): Add -M/--print-map and -Map.
16571	* options.cc (General_options::finalize): Make -M equivalent to
16572	-Map -.
16573	* main.cc: Include <cstdio> and "mapfile.h".
16574	(main): Open mapfile if requested.
16575	* gold.cc (class Middle_runner): Add mapfile_ field.  Update
16576	constructor.  Change caller.
16577	(queue_initial_tasks): Add mapfile parameter.  Change caller.
16578	(queue_middle_tasks): Likewise.
16579	* gold.h (queue_initial_tasks, queue_middle_tasks): Update
16580	declarations.
16581	* archive.cc: Include "mapfile.h".
16582	(Archive::add_symbols): Add mapfile parameter.  Change all
16583	callers.  Pass mapfile, symbol, and reason to include_member.
16584	(Archive::include_all_members): Add mapfile parameter.  Change all
16585	callers.
16586	(Archive::include_member): Add mapfile, sym, and why parameters.
16587	Change all callers.  Report inclusion to map file.
16588	* archive.h: Include "fileread.h".
16589	(class Archive): Update declarations.
16590	(Archive::file): New const method.
16591	(class Add_archive_symbols): Add mapfile_ field.  Update
16592	constructor.  Change all callers.
16593	* readsyms.h (class Read_symbols): Likewise.
16594	(class Finish_group): Likewise.
16595	(class Read_script): Likewise.
16596	* common.cc: Include "mapfile.h".
16597	(Symbol_table::allocate_commons): Add mapfile parameter.  Change
16598	all callers.
16599	(Symbol_table::do_allocate_commons): Likewise.
16600	(Symbol_table::do_allocate_commons_list): Likewise.  Report common
16601	symbol allocation to mapfile.
16602	* common.h (class Allocate_commons_task): Add mapfile_ field.
16603	Update constructor.  Change all callers.
16604	* symtab.h (class Symbol_table): Update declarations.
16605	* layout.cc: Include "mapfile.h".
16606	(Layout_task_runner::run): Print information to mapfile.
16607	(Layout::create_gold_note): Change Output_data_fixed_space to
16608	Output_data_zero_fill.
16609	(Layout::create_build_id): Likewise.
16610	(Layout::print_to_mapfile): New function.
16611	* layout.h (class Layout_task_runner): Add mapfile_ field.  Update
16612	constructor.  Change caller.
16613	(class Layout): Declare print_to_mapfile.
16614	* output.cc (Output_section::Input_section::print_to_mapfile): New
16615	function.
16616	(Output_section::add_input_section): If producing a map, always
16617	add to input_sections_ list.
16618	(Output_section::do_print_to_mapfile): New function.
16619	(Output_segment::print_sections_to_mapfile): New function.
16620	(Output_segment::print_section_list_to_mapfile): New function.
16621	* output.h: Include "mapfile.h".
16622	(Output_data::print_to_mapfile): New function.
16623	(Output_data::do_print_to_mapfile): New virtual function.
16624	(Output_segment_headers::do_print_to_mapfile): New function.
16625	(Output_file_header::do_print_to_mapfile): New function.
16626	(Output_data_const::do_print_to_mapfile): New function.
16627	(class Output_data_const_buffer): Add map_name_ field.  Update
16628	constructor.  Change all callers.  Add do_print_to_mapfile
16629	function.
16630	(class Output_data_fixed_space): Likewise.
16631	(class Output_data_space): Likewise.
16632	(class Output_data_zero_fill): New class.
16633	(Output_data_strtab::do_print_to_mapfile): New function.
16634	(Output_data_reloc_base::do_print_to_mapfile): New function.
16635	(Output_relocatable_relocs::do_print_to_mapfile): New function.
16636	(Output_data_group::do_print_to_mapfile): New function.
16637	(Output_data_got::do_print_to_mapfile): New function.
16638	(Output_data_dynamic::do_print_to_mapfile): New function.
16639	(Output_symtab_xindex::do_print_to_mapfile): New function.
16640	(class Output_section): Declare do_print_to_mapflie.  Declare
16641	print_to_mapfile in Input_section.
16642	(class Output_segment): Declare new functions.
16643	* object.h (Sized_relobj::symbol_count): New function.
16644	* script-sections.cc
16645	(Output_section_element_dot_assignment::set_section_addresses):
16646	Change Output_data_fixed_space to Output_data_zero_fill.
16647	(Output_data_expression::do_print_to_mapfile): New function.
16648	* script.cc (read_input_script): Add mapfile parameter.  Change
16649	all callers.
16650	* script.h (read_input_script): Update declaration.
16651	* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
16652	(Eh_frame::do_print_to_mapfile): New function.
16653	* merge.h (Output_merge_data::do_print_to_mapfile): New function.
16654	(Output_merge_string::do_print_to_mapfile): New function.
16655	* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
16656	function.
16657	* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
16658	function.
16659	* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
16660	function.
16661	* Makefile.am (CCFILES): Add mapfile.cc.
16662	(HFILES): Add mapfile.h.
16663	* Makefile.in: Rebuild.
16664
166652008-05-19  Ian Lance Taylor  <iant@google.com>
16666
16667	* options.h (class General_options): Add -z relro.
16668	* layout.cc (Layout::Layout): Initialize relro_segment_.
16669	(Layout::add_output_section_data): Return the output section.
16670	(Layout::make_output_section): Rcognize relro sections and mark
16671	them appropriately.
16672	(Layout::attach_allocated_section_to_segment): Put relro sections
16673	in a PT_GNU_RELRO segment.
16674	(Layout::create_initial_dynamic_sections): Mark the .dynamic
16675	section as relro.
16676	(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
16677	PT_TLS segments.
16678	(Layout::linkonce_mapping): Map d.rel.ro.local to
16679	.data.rel.ro.local.
16680	(Layout::output_section_name): Us .data.rel.ro.local for any
16681	section which begins with that.
16682	* layout.h (class Layout): Update add_output_section_data
16683	declaration.  Add relro_segment_ field.
16684	* output.cc (Output_section::Output_section): Initialize is_relro_
16685	and is_relro_local_ fields.
16686	(Output_segment::add_output_section): Group relro sections.
16687	(Output_segment::is_first_section_relro): New function.
16688	(Output_segment::maximum_alignment): If there is a relro section,
16689	align the segment to the common page size.
16690	(Output_segment::set_section_addresses): Track whether we are
16691	looking at relro sections.  If the last section is a relro
16692	section, align to the common page size.
16693	(Output_segment::set_section_list_addresses): Add in_relro
16694	parameter.  Change all callers.  Align to the page size when
16695	moving from relro to non-relro section.
16696	(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
16697	segment.
16698	* output.h (class Output_section): Add is_relro_ and
16699	is_relro_local_ fields.
16700	(Output_section::is_relro): New function.
16701	(Output_section::set_is_relro): New function.
16702	(Output_section::is_relro_local): New function.
16703	(Output_section::set_is_relro_local): New function.
16704	(class Output_segment): Update declarations.
16705	* i386.cc (Target_i386::got_section): Mark .got section as relro.
16706	* sparc.cc (Target_sparc::got_section): Likewise.
16707	* x86_64.cc (Target_x86_64::got_section): Likewise.
16708	* testsuite/relro_test_main.cc: New file.
16709	* testsuite/relro_test.cc: New file.
16710	* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
16711	(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
16712	(relro_test_LDFLAGS, relro_test_LDADD): New variables.
16713	(relro_test.so, relro_test_pic.o): New targets.
16714	* testsuite/Makefile.in: Rebuild.
16715
167162008-05-16  Ian Lance Taylor  <iant@google.com>
16717
16718	* output.cc (Output_segment::add_output_section): Remove front
16719	parameter.
16720	* output.h (class Output_segment): Remove
16721	add_initial_output_section and overloaded add_output_section.
16722	Update declaration of remaining add_output_section.
16723	* layout.cc (Layout::create_interp): Call add_output_section
16724	rather than add_initial_output_section.
16725	(Layout::finish_dynamic_section): Likewise.
16726
16727	* i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
16728	for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
16729	know the dynamic type.
16730	* x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
16731	field.  Initialize it in constructor.
16732	(Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
16733	block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
16734	Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
16735	reloc.
16736
16737	* output.cc (Output_reloc::get_address): Change return type to
16738	Elf_Addr.
16739	* output.h (class Output_reloc): Update get_address declaration.
16740	* x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
16741	for section addresses.
16742
167432008-05-09  Ian Lance Taylor  <iant@google.com>
16744
16745	PR 6493
16746	* gold.cc (gold_nomem): Use return value of write.
16747
167482008-05-08  Ian Lance Taylor  <iant@google.com>
16749
16750	* symtab.c (Symbol::init_base_output_data): Add version
16751	parameter.  Change all callers.
16752	(Symbol::init_base_output_segment): Likewise.
16753	(Symbol::init_base_constant): Likewise.
16754	(Symbol::init_base_undefined): Likewise.
16755	(Sized_symbol::init_output_data): Likewise.
16756	(Sized_symbol::init_output_segment): Likewise.
16757	(Sized_symbol::init_constant): Likewise.
16758	(Sized_symbol::init_undefined): Likewise.
16759	(Symbol_table::do_define_in_output_data): If the new symbol has a
16760	version, mark it as the default.
16761	(Symbol_table::do_define_in_output_segment): Likewise.
16762	(Symbol_table::do_define_as_constant): Likewise.
16763	* symtab.h (class Symbol): Update declarations.
16764	(class Sized_symbol): Likewise.
16765	* resolve.cc (Symbol::override_version): New function.
16766	(Symbol::override_base): Call override_version.
16767	(Symbol::override_base_with_special): Likewise.
16768	* testsuite/ver_script_8.script: New file.
16769	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
16770	(ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
16771	(ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
16772	(ver_test_8_1.so, ver_test_8_2.so): New targets.
16773
167742008-05-06  Ian Lance Taylor  <iant@google.com>
16775
16776	PR 6049
16777	* options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
16778	functions.
16779	(class General_options): Remove existing --undefined, and add
16780	--no-undefined instead.  Add new --undefined as synonym for -u.
16781	* archive.cc (Archive::add_symbols): Check whether symbol was
16782	named with -u.
16783	* gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
16784	* symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
16785	all uses.  Add IS_UNDEFINED.  Update declarations to split
16786	different versions of init_base.  Declare init_base_undefined.
16787	(Symbol::is_defined): Handle IS_UNDEFINED.
16788	(Symbol::is_undefined): Likewise.
16789	(Symbol::is_weak_undefined): Call is_undefined.
16790	(Symbol::is_absolute): Handle IS_CONSTANT.
16791	(class Sized_symbol): Update declarations to split different
16792	versions of init.  Declare init_undefined.
16793	(class Symbol_table): Declare new functions.
16794	* symtab.cc (Symbol::init_base_object): Rename from init_base.
16795	Change all callers.
16796	(Symbol::init_base_output_data): Likewise.
16797	(Symbol::init_base_output_segment): Likewise.
16798	(Symbol::init_base_constant): Likewise.
16799	(Symbol::init_base_undefined): New function.
16800	(Sized_symbol::init_object): Rename from init.  Change all
16801	callers.
16802	(Sized_symbol::init_output_data): Likewise.
16803	(Sized_symbol::init_output_segment): Likewise.
16804	(Sized_symbol::init_constant): Likewise.
16805	(Sized_symbol::init_undefined): New function.
16806	(Symbol_table::add_undefined_symbols_from_command_line): New
16807	function.
16808	(Symbol_table::do_add_undefined_symbols_from_command_line): New
16809	function.
16810	(Symbol::final_value_is_known): Handle IS_UNDEFINED.
16811	(Symbol::output_section): Likewise.
16812	(Symbol::set_output_section): Likewise.
16813	(Symbol_table::sized_finalize_symbol): Likewise.
16814	(Symbol_table::sized_write_globals): Likewise.
16815	* resolve.cc (Symbol_table::should_override): Likewise.
16816	(Symbol::override_base_with_special): Likewise.
16817
16818	* symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
16819	symbol, change it to have default visibility.
16820	* testsuite/protected_1.cc: New file.
16821	* testsuite/protected_2.cc: New file.
16822	* testsuite/protected_3.cc: New file.
16823	* testsuite/protected_main_1.cc: New file.
16824	* testsuite/protected_main_2.cc: New file.
16825	* testsuite/protected_main_3.cc: New file.
16826	* testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
16827	(protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
16828	(protected_1_LDFLAGS, protected_1_LDADD): Define.
16829	(protected_1.so): New target.
16830	(protected_1_pic.o, protected_2_pic.o): New targets.
16831	(protected_3_pic.o): New target.
16832	(check_PROGRAMS): Add protected_2.
16833	(protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
16834	(protected_2_LDFLAGS, protected_2_LDADD): Define.
16835	* testsuite/Makefile.in: Rebuild.
16836
16837	* options.h (DEFINE_var): Add set_user_set_##varname__.
16838	(DEFINE_bool_alias): New macro.
16839	(class General_options): Define -Bstatic using DEFINE_bool_alias
16840	rather than DEFINE_special.  Add --undefined as an alias for -z
16841	defs.
16842	* options.cc (General_options::parse_Bstatic): Remove.
16843
16844	* options.h (class General_options): Add --fatal-warnings.
16845	* main.cc (main): Implement --fatal-warnings.
16846	* errors.h (Errors::warning_count): New function.
16847
16848	* options.h (class General_options): Add -Bsymbolic-functions.
16849	* symtab.h (Symbol::is_preemptible): Check for
16850	-Bsymbolic-functions.
16851
168522008-05-05  Ian Lance Taylor  <iant@google.com>
16853
16854	* options.h (DEFINE_bool): For DASH_Z, create the negative option
16855	as noVARNAME rather than no-VARNAME.
16856	(class General_options): Add option -z combreloc.
16857	* output.h (class Output_reloc) [SHT_REL]: Declare compare and
16858	get_address.
16859	(Output_reloc::sort_before) [SHT_REL]: New function.
16860	(Output_reloc::sort_before) [SHT_RELA]: New function.
16861	(class Output_data_reloc_base): Add sort_relocs_ field.  Define
16862	Sort_relocs_comparison.
16863	(Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
16864	parameter.  Change all callers.
16865	(Output_data_reloc::Output_data_reloc) [both versions]: Add
16866	sort_relocs parameter.  Change all callers.
16867	* output.cc (Output_reloc::get_address): New function, broken out
16868	of write_rel.
16869	(Output_reloc::write_rel): Call it.
16870	(Output_reloc::compare): New function.
16871	(Output_data_reloc_base::do_write): Optionally sort relocs.
16872
16873	* configure.ac: If targ_extra_obj is set, link it in.
16874	* configure.tgt: Initialize all variables.
16875	(x86_64*): Set targ_extra_obj and targ_extra_size.
16876	* configure: Rebuild.
16877
16878	* object.cc (Sized_relobj::include_section_group): Adjust section
16879	indexes read from group data.  Build vector to pass to
16880	layout_group.
16881	* layout.cc (Layout::layout_group): Add flags and shndxes
16882	parameters.  Remove contents parameter.  Change caller.  Update
16883	explicit instantiations.
16884	* layout.h (class Layout): Update layout_group declaration.
16885	* output.cc (Output_data_group::Output_data_group): Add flags and
16886	input_shndxes parameters.  Remove contents parameter.  Change
16887	caller.
16888	(Output_data_group::do_write): Change input_sections_ to
16889	input_shndxes_.
16890	* output.h (class Output_data_group): Update constructor
16891	declaration.  Rename input_sections_ to input_shndxes_.
16892	* testsuite/many_sections_test.cc: Add template.
16893
168942008-04-30  Cary Coutant  <ccoutant@google.com>
16895
16896	* target-reloc.h (relocate_section): Fix dead-pointer bug.
16897
16898	* layout.cc (Layout::include_section): Refactored check for debug
16899	info section.
16900	(Layout::add_comdat): Add new parameters.  Change type
16901	of signature parameter.  Add object and shndx to signatures table.
16902	(Layout::find_kept_object): New function.
16903	* layout.h: Include <cstring>.
16904	(Layout::is_debug_info_section): New function.
16905	(Layout::add_comdat): Add new parameters.
16906	(Layout::find_kept_object): New function.
16907	(Layout::Kept_section): New struct.
16908	(Layout::Signatures): Change type of map range.
16909	* object.cc (Relobj::output_section_address): New function.
16910	(Sized_relobj::include_section_group): Add new parameters.  Change
16911	calls to Layout::add_comdat.  Change to build table of kept comdat
16912	groups and table mapping discarded sections to kept sections.
16913	(Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
16914	(Sized_relobj::do_layout): Change calls to include_section_group and
16915	include_linkonce_section.
16916	(Sized_relobj::do_finalize_local_symbols): Do not set local symbol
16917	value to zero when section is discarded.
16918	(Sized_relobj::map_to_kept_section): New function.
16919	* object.h (Relobj::output_section_address): New function.
16920	(Relobj::Comdat_group): New type.
16921	(Relobj::find_comdat_group): New function.
16922	(Relobj::Comdat_group_table): New type.
16923	(Relobj::Kept_comdat_section): New type.
16924	(Relobj::Kept_comdat_section_table): New type.
16925	(Relobj::add_comdat_group): New function.
16926	(Relobj::set_kept_comdat_section): New function.
16927	(Relobj::get_kept_comdat_section): New function.
16928	(Relobj::comdat_groups_): New field.
16929	(Relobj::kept_comdat_sections_): New field.
16930	(Symbol_value::input_value): Update comment.
16931	(Sized_relobj::map_to_kept_section) New function.
16932	(Sized_relobj::include_linkonce_section): Add new parameter.
16933	* target-reloc.h (Comdat_behavior): New type.
16934	(get_comdat_behavior): New function.
16935	(relocate_section): Add code to map a discarded section to the
16936	corresponding kept section when applying a relocation.
16937
169382008-04-30  Craig Silverstein  <csilvers@google.com>
16939
16940	* dwarf_reader.cc (next_generation_count): New static var.
16941	(Addr2line_cache_entry): New struct.
16942	(addr2line_cache): New static var.
16943	(Dwarf_line_info::one_addr2line): Added caching.
16944	(Dwarf_line_info::clear_addr2line_cache): New function.
16945	* dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
16946	cache-size parameter.
16947	(Dwarf_line_info::one_addr2line_cache): New function.
16948	* symtab.cc (Symbol_table::detect_odr_violations): Pass
16949	new cache-size argument to one_addr2line(), and clear cache.
16950
169512008-04-28  Cary Coutant  <ccoutant@google.com>
16952
16953	* i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
16954	R_386_PC8 relocations.
16955
169562008-04-23  Ian Lance Taylor  <iant@google.com>
16957
16958	* object.cc (Sized_relobj::include_section_group): Check for
16959	invalid section group.
16960
16961	* object.cc (make_elf_object): Correct test for 64-bit ELF file
16962	header size.
16963
16964	* readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
16965	than read for file header.
16966	* archive.cc (Archive::include_member): Likewise.
16967
169682008-04-23  Paolo Bonzini  <bonzini@gnu.org>
16969
16970	* aclocal.m4: Regenerate.
16971	* configure: Regenerate.
16972
169732008-04-19  Ian Lance Taylor  <iant@google.com>
16974
16975	* version.cc (version_string): Bump to 1.6.
16976
16977	* testsuite/Makefile.am (many_sections_r_test): New target.
16978	(many_sections_r_test_SOURCES): Remove.
16979	(many_sections_r_test_DEPENDENCIES): Remove.
16980	(many_sections_r_test_LDFLAGS): Remove.
16981	(many_sections_r_test_LDADD): Remove.
16982
16983	* object.cc (Sized_relobj::do_add_symbols): Always pass
16984	local_symbol_count_ to add_from_relobj.
16985
16986	* testsuite/Makefile.am (many_sections_check.h): Only check one in
16987	every thousand variables.
16988	* testsuite/Makefile.in: Rebuild.
16989
16990	* object.cc (Xindex::initialize_symtab_xindex): New function.
16991	(Xindex::read_symtab_xindex): New function.
16992	(Xindex::sym_xindex_to_shndx): New function.
16993	(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
16994	available.
16995	(Sized_relobj::do_initialize_xindex): New function.
16996	(Sized_relobj::do_read_symbols): Adjust section links.
16997	(Sized_relobj::symbol_section_and_value): Add is_ordinary
16998	parameter.  Change all callers.
16999	(Sized_relobj::include_section_group): Adjust section links and
17000	symbol section indexes.
17001	(Sized_relobj::do_layout): Adjust section links.
17002	(Sized_relobj::do_count_local_symbols): Adjust section links and
17003	symbol section indexes.
17004	(Sized_relobj::do_finalize_local_symbols): Distinguish between
17005	ordinary and special symbols.
17006	(Sized_relobj::write_local_symbols): Add symtab_xindex and
17007	dynsym_xindex parameters.  Change all callers.  Adjust section
17008	links.  Use SHN_XINDEX when needed.
17009	(Sized_relobj::get_symbol_location_info): Adjust section links.
17010	Don't get fooled by special symbols.
17011	* object.h (class Xindex): Define.
17012	(class Object): Add xindex_ parameter.  Declare virtual functoin
17013	do_initialize_xindex.
17014	(Object::adjust_sym_shndx): New function.
17015	(Object::set_xindex): New protected function.
17016	(class Symbol_value): Add is_ordinary_shndx_ field.
17017	(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
17018	(Symbol_value::value): Assert ordinary section.
17019	(Symbol_value::initialize_input_to_output_map): Likewise.
17020	(Symbol_value::set_input_shndx): Add is_ordinary parameter.
17021	Change all callers.
17022	(Symbol_value::input_shndx): Add is_ordinary parameter.  Change
17023	all callers.
17024	(class Sized_relobj): Update declarations.
17025	(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
17026	parameter.  Change all callers.
17027	(Sized_relobj::adjust_shndx): New function.
17028	* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
17029	field.
17030	(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
17031	parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
17032	for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
17033	(Sized_dynobj::read_dynsym_section): Adjust section links.
17034	(Sized_dynobj::read_dynamic): Likewise.
17035	(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
17036	section links.
17037	(Sized_dynobj::do_initialize_xindex): New function.
17038	* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
17039	do_initialize_xindex.
17040	(Sized_dynobj::adjust_shndx): New function.
17041	* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
17042	dynsym_xindex_ fields.
17043	(Layout::finalize): Add a call to set_section_indexes before
17044	creating the symtab sections.
17045	(Layout::set_section_indexes): Don't do anything if the section
17046	already has a section index.
17047	(Layout::create_symtab_sections): Add shnum parameter.  Change
17048	caller.  Create .symtab_shndx section if needed.
17049	(Layout::create_shdrs): Add shstrtab_section parameter.  Change
17050	caller.
17051	(Layout::allocated_output_section_count): New function.
17052	(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
17053	needed.
17054	* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
17055	fields.  Update declarations.
17056	(Layout::symtab_xindex): New function.
17057	(Layout::dynsym_xindex): New function.
17058	(class Write_symbols_task): Add layout_ field.
17059	(Write_symbols_task::Write_symbols_task): Add layout parameter.
17060	Change caller.
17061	* output.cc (Output_section_headers::Output_section_headers): Add
17062	shstrtab_section parameter.  Change all callers.
17063	(Output_section_headers::do_sized_write): Store overflow values
17064	for section count and section string table section index in
17065	section header zero.
17066	(Output_file_header::do_sized_write): Check for overflow of
17067	section count and section string table section index.
17068	(Output_symtab_xindex::do_write): New function.
17069	(Output_symtab_xindex::endian_do_write): New function.
17070	* output.h (class Output_section_headers): Add shstrtab_section_.
17071	Update declarations.
17072	(class Output_symtab_xindex): Define.
17073	(Output_section::has_out_shndx): New function.
17074	* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
17075	field.
17076	(Symbol::init_base): Add st_shndx and is_ordinary parameters.
17077	Change all callers.
17078	(Sized_symbol::init): Likewise.
17079	(Symbol::output_section): Check for ordinary symbol.
17080	(Symbol_table::add_from_object): Remove orig_sym parameter.  Add
17081	st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
17082	callers.
17083	(Symbol_table::add_from_relobj): Add symndx_offset parameter.
17084	Change all callers.  Simplify handling of symbols from sections
17085	not included in the link.
17086	(Symbol_table::add_from_dynobj): Handle ordinary symbol
17087	distinction.
17088	(Weak_alias_sorter::operator()): Assert that symbols are
17089	ordinary.
17090	(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
17091	distinction.
17092	(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
17093	parameters.  Change all callers.
17094	(Symbol_table::sized_write_globals): Likewise.  Handle ordinary
17095	symbol distinction.  Use SHN_XINDEX when needed.
17096	(Symbol_table::write_section_symbol): Add symtab_xindex
17097	parameter.  Change all callers.
17098	(Symbol_table::sized_write_section_symbol): Likewise.  Use
17099	SHN_XINDEX when needed.
17100	* symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
17101	declarations.
17102	(Symbol::shndx): Add is_ordinary parameter.  Change all callers.
17103	(Symbol::is_defined): Check is_ordinary.
17104	(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
17105	(Symbol::is_absolute, Symbol::is_common): Likewise.
17106	(class Sized_symbol): Update declarations.
17107	(class Symbol_table): Update declarations.
17108	* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
17109	parameters.  Change all callers.
17110	(Sized_symbol::override): Likewise.
17111	(Symbol_table::override): Likewise.
17112	(symbol_to_bits): Add is_ordinary parameter.  Change all callers.
17113	(Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
17114	is_ordinary, and orig_st_shndx parameters.  Change all callers.
17115	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
17116	to be in an ordinary section.
17117	* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
17118	object and is_ordinary parameters.  Change all callers.
17119	(Sized_dwarf_line_info::read_relocs): Add object parameter.
17120	Change all callers.  Don't add undefined or non-ordinary symbols
17121	to reloc_map_.
17122	(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
17123	Change all callers.
17124	* dwarf_reader.h (class Sized_dwarf_line_info): Update
17125	declarations.
17126	* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
17127	* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
17128	(Sized_relobj::relocate_sections): Likewise.
17129	* target-reloc.h (scan_relocs): Adjust section symbol index.
17130	(scan_relocatable_relocs): Likewise.
17131	* i386.cc (Scan::local): Check for ordinary symbols.
17132	* sparc.cc (Scan::local): Likewise.
17133	* x86_64.cc (Scan::local): Likewise.
17134	* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
17135	to symbol_section_and_value.
17136	* testsuite/many_sections_test.cc: New file.
17137	* testsuite/Makefile.am (BUILT_SOURCES): Define.
17138	(check_PROGRAMS): Add many_sections_test.
17139	(many_sections_test_SOURCES): Define.
17140	(many_sections_test_DEPENDENCIES): Define.
17141	(many_sections_test_LDFLAGS): Define.
17142	(BUILT_SOURCES): Add many_sections_define.h.
17143	(many_sections_define.h): New target.
17144	(BUILT_SOURCES): Add many_sections_check.h.
17145	(many_sections_check.h): New target.
17146	(check_PROGRAMS): Add many_sections_r_test.
17147	(many_sections_r_test_SOURCES): Define.
17148	(many_sections_r_test_DEPENDENCIES): Define.
17149	(many_sections_r_test_LDFLAGS): Define.
17150	(many_sections_r_test_LDADD): Define.
17151	(many_sections_r_test.o): New target.
17152	* testsuite/Makefile.in: Rebuild.
17153
171542008-04-17  Cary Coutant  <ccoutant@google.com>
17155
17156	* errors.cc (Errors::info): New function.
17157	(gold_info): New function.
17158	* errors.h (Errors::info): New function.
17159	* gold.h (gold_info): New function.
17160	* object.cc (Input_objects::add_object): Print trace output.
17161	* options.cc (options::parse_set): New function.
17162	(General_options::parse_wrap): Deleted.
17163	(General_options::General_options): Deleted initializer.
17164	* options.h (options::String_set): New typedef.
17165	(options::parse_set): New function.
17166	(DEFINE_set): New macro.
17167	(General_options::wrap): Changed to use DEFINE_set. Changed
17168	callers of any_wrap_symbols and is_wrap_symbol.
17169	(General_options::trace, General_options::trace_symbol):
17170	New options.
17171	(General_options::any_wrap_symbols, General_options::is_wrap_symbol)
17172	(General_options::wrap_symbols_): Deleted.
17173	* symtab.cc (Symbol_table::add_from_object): Print trace output.
17174
171752008-04-17  David S. Miller  <davem@davemloft.net>
17176
17177	* options.cc (General_options::parse_V): New function.
17178	* options.h: Add entries for -V and -Qy.
17179
171802008-04-17  Ian Lance Taylor  <iant@google.com>
17181
17182	* common.cc (Symbol_table::allocate_commons): Remove options
17183	parameter.  Change caller.
17184	(Symbol_table::do_allocate_commons): Remove options parameter.
17185	Change caller.  Just call do_allocate_commons_list twice.
17186	(Symbol_table::do_allocate_commons_list): New function, broken out
17187	of do_allocate_commons.
17188	* common.h (class Allocate_commons_task): Remove options_ field.
17189	Update constructor.
17190	* symtab.cc (Symbol_table::Symbol_table): Initialize
17191	tls_commons_.
17192	(Symbol_table::add_from_object): Put TLS common symbols on
17193	tls_commons_ list.
17194	(Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
17195	which are IN_OUTPUT_DATA.
17196	* symtab.h (class Symbol_table): Add tls_commons_ field.  Update
17197	allocate_commons and do_allocate_commons declarations.  Declare
17198	do_allocate_commons_list.
17199	* gold.cc (queue_middle_tasks): Update creation of
17200	Allocate_commons_task to not pass options.
17201	* testsuite/Makefile.am (INCLUDES): Add -I.. .
17202	(TLS_TEST_C_FLAGS): New variable.
17203	(tls_test_c_pic.o): New target.
17204	(tls_test_shared.so): Link in tls_test_c_pic.o.
17205	(tls_test_c_pic_ie.o): New target.
17206	(tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
17207	(tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
17208	(tls_test_c.o): New target.
17209	(tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
17210	(tls_pic_test_LDADD): Likewise.
17211	(tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
17212	(tls_shared_gd_to_ie_test_LDADD): Likewise.
17213	(tls_test_c_gnu2.o): New target.
17214	(tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
17215	tls_test_c_gnu2.o.
17216	(tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
17217	(tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
17218	(tls_test_shared_nonpic.so): Link in tls_test_c.o.
17219	* testsuite/tls_test.cc: Include "config.h".
17220	(t_last): Call t11_last.
17221	* testsuite/tls_test.h (t11, t11_last): Declare.
17222	* testsuite/tls_test_c.c: New file.
17223	* testsuite/tls_test_main.cc (thread_routine): Call t11.
17224	* configure.ac: Check for OpenMP support.
17225	* configure, config.in, Makefile.in: Rebuild.
17226	* testsuite/Makefile.in: Rebuild.
17227
172282008-04-16  Cary Coutant  <ccoutant@google.com>
17229
17230	* i386.cc (Target_i386::define_tls_base_symbol): New function.
17231	(Target_i386::tls_base_symbol_defined_): New field.
17232	(Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
17233	(Target_i386::Scan::global): Likewise.
17234	* symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
17235	* x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
17236	(Target_x86_64::tls_base_symbol_defined_): New field.
17237	(Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
17238	(Target_x86_64::Scan::global): Likewise.
17239
172402008-04-16  Cary Coutant  <ccoutant@google.com>
17241
17242	* symtab.h (Symbol::is_strong_undefined): Removed unused function.
17243	(Symbol::needs_plt_entry): Allow weak undefined symbols.
17244	(Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
17245	building shared libraries.
17246	* testsuite/Makefile.am (weak_undef_nonpic_test): New target.
17247	(weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
17248	(weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
17249	* testsuite/Makefile.in: Rebuild.
17250	* testsuite/weak_undef.h: New file.
17251	* testsuite/weak_undef_file1.cc: Add extra test cases.
17252	* testsuite/weak_undef_file2.cc: Likewise.
17253	* testsuite/weak_undef_test.cc: Likewise.
17254
172552008-04-16  David S. Miller  <davem@davemloft.net>
17256
17257	* sparc.cc (Target_sparc::Scan): Change from struct to class.
17258	Add issued_non_pic_error_ field.  Declare check_non_pic.
17259	(Target_sparc::Scan::check_non_pic): New function.
17260	(Target_sparc::Scan::local): Call check_non_pic as appropriate.
17261	(Target_sparc::Scan::global): Likewise.
17262
17263	* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
17264	* configure: Rebuild.
17265
17266	* options.h (DEFINE_enable): New macro.
17267	(new_dtags): New enable option.
17268	(initfirst, interpose, loadfltr, nodefaultlib,
17269	nodelete, nodlopen, nodump): New -z options.
17270	* layout.cc (Layout:finish_dynamic_section): If new
17271	dtags enabled, emit DT_RUNPATH.  Also, emit a
17272	DT_FLAGS_1 containing any specified -z flags.
17273
172742008-04-16  Ian Lance Taylor  <iant@google.com>
17275
17276	* copy-relocs.cc: New file.
17277	* copy-relocs.h: New file.
17278	* reloc.cc: Remove Copy_relocs code.
17279	* reloc.h: Likewise.
17280	* reloc-types.h (struct Reloc_types) [both versions]: Add
17281	get_reloc_addend_noerror.
17282	* output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
17283	variants of add_global which take an addend which must be zero.
17284	* i386.cc: Include "copy-relocs.h".
17285	(class Target_i386): Change type of copy_relocs_ to variable,
17286	update initializer.
17287	(Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
17288	Change all callers.
17289	(Target_i386::do_finalize_sections): Change handling of
17290	copy_relocs_.
17291	* sparc.cc: Include "copy-relocs.h".
17292	(class Target_sparc): Change type of copy_relocs_ to variable,
17293	update initializer.
17294	(Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
17295	Change all callers.
17296	(Target_sparc::do_finalize_sections): Change handling of
17297	copy_relocs_.
17298	* x86_64.cc: Include "copy-relocs.h".
17299	(class Target_x86_64): Change type of copy_relocs_ to variable,
17300	update initializer.
17301	(Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
17302	class.  Change all callers.
17303	(Target_x86_64::do_finalize_sections): Change handling of
17304	copy_relocs_.
17305	* Makefile.am (CCFILES): Add copy-relocs.cc.
17306	(HFILES): Add copy-relocs.h.
17307
17308	* Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
17309
17310	* testsuite/script_test_4.sh: Permit leading zeroes.
17311
173122008-04-15  Ian Lance Taylor  <iant@google.com>
17313
17314	* script-sections.cc (Script_sections::create_segments): Use
17315	header_size_adjustment even when there is enough room for the
17316	headers.
17317	* testsuite/script_test_4.sh: New file.
17318	* testsuite/script_test_4.t: New file.
17319	* testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
17320	(check_DATA): Add script_test_4.stdout.
17321	(MOSTLYCLEANFILES): Likewise.
17322	(script_test_4): New target.
17323	(script_test_4.stdout): New target.
17324	* testsuite/Makefile.in: Rebuild.
17325
17326	* sparc.cc: Add definitions for Output_data_plt_sparc class
17327	constants.
17328
173292008-04-14  David S. Miller  <davem@davemloft.net>
17330
17331	* sparc.cc: New file.
17332	* Makefile.am (TARGETSOURCES): Add sparc.cc
17333	(ALL_TARGETOBJS): Add sparc.$(OBJEXT)
17334	* configure.tgt: Document targ_extra_size and
17335	targ_extra_big_endian.  Add entries for sparc-* and
17336	sparc64-*.
17337	* configure.ac: Handle targ_extra_size and
17338	targ_extra_big_endian.
17339	* Makefile.in: Rebuild.
17340	* configure: Likewise.
17341	* po/POTFILES.in: Likewise.
17342	* po/gold.pot: Likewise.
17343
173442008-04-14  Ian Lance Taylor  <iant@google.com>
17345
17346	* layout.cc (Layout::Layout): Initialize sections_are_attached_.
17347	(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
17348	in the name/type/flags to section mapping.  Don't call
17349	allocate_output_section.
17350	(Layout::choose_output_section): Change parameter from adjust_name
17351	to is_input_section.  Don't permit input sections after sections
17352	are attached to segments.  Don't call allocate_output_section.
17353	(Layout::layout_eh_frame): Call update_flags_for_input_section,
17354	not write_enable_output_section.
17355	(Layout::make_output_section): Don't push to
17356	unattached_section_list_ nor call attach_to_segment.  Call
17357	attach_section_to_segment if sections are attached.
17358	(Layout::attach_sections_to_segments): New function.
17359	(Layout::attach_section_to_segment): New function.
17360	(Layout::attach_allocated_section_to_segment): Rename from
17361	attach_to_segment.  Remove flags parameter.
17362	(Layout::allocate_output_section): Remove function.
17363	(Layout::write_enable_output_section): Remove function.
17364	* layout.h (class Layout): Update for above changes.  Add new
17365	field sections_are_attached_.
17366	* output.h (Output_section::update_flags_for_input_section): New
17367	function.
17368	* output.cc (Output_section::add_input_section): Call
17369	update_flags_for_input_section.
17370	* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
17371
173722008-04-11  Cary Coutant  <ccoutant@google.com>
17373
17374	* i386.cc (Target_i386::got_mod_index_entry): Restore code previously
17375	thought unnecessary.
17376	* x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
17377
173782008-04-11  Ian Lance Taylor  <iant@google.com>
17379
17380	* output.h (class Output_section_data): Remove inline definition
17381	of set_addralign.
17382	* output.cc (Output_section_data::set_addralign): New function.
17383
173842008-04-11  Cary Coutant  <ccoutant@google.com>
17385
17386	Add support for TLS descriptors for i386 and x86_64.
17387	* i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
17388	(Target_i386::Relocate::tls_desc_gd_to_le): New function.
17389	(Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
17390	GOT_TYPE_TLS_DESC.
17391	(Target_i386::got_mod_index_entry): Remove unnecessary code.
17392	(Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
17393	R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
17394	relocations.
17395	(Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
17396	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
17397	Fix problem with initial-exec relocations.
17398	(Target_i386::Relocate::relocate_tls): Likewise.
17399	(Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
17400	relaxation.
17401	* output.cc (Output_data_dynamic::Dynamic_entry::write): Add
17402	support for section-plus-offset dynamic table entries.
17403	* output.h (Output_data_dynamic::add_section_plus_offset): New function.
17404	(Output_data_dynamic::Dynamic_entry): Add support for
17405	section-plus-offset dynamic table entries.
17406	(Output_data_dynamic::Classification): Likewise.
17407	(Output_data_dynamic::classification_): Renamed offset_.
17408	* x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
17409	(Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
17410	(Target_x86_64::make_plt_section): New function.
17411	(Target_x86_64::reserve_tlsdesc_entries): New function.
17412	(Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
17413	(Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
17414	(Output_data_plt_x86_64::has_tlsdesc_entry): New function.
17415	(Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
17416	(Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
17417	(Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
17418	(Output_data_plt_x86_64::set_final_data_size): Move out of line;
17419	add extra PLT entry for TLS descriptors.
17420	(Output_data_plt_x86_64::got_): New field.
17421	(Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
17422	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
17423	fields.
17424	(Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
17425	descriptors.
17426	(Target_x86_64::make_plt_entry): Factor out make_plt_section.
17427	(Target_x86_64::got_mod_index_entry): Remove unnecessary code.
17428	(Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
17429	R_386_TLS_DESC_CALL relocations.
17430	(Target_x86_64::Scan::global): Likewise.
17431	(Target_x86_64::do_finalize_sections): Add dynamic table entries
17432	for TLS descriptors.
17433	(Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
17434	Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
17435	(Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
17436	GD-to-IE relaxation.
17437	* configure.ac: Export new conditional variables TLS_GNU2_DIALECT
17438	and TLS_DESCRIPTORS.
17439	* Makefile.in: Rebuild.
17440	* configure: Rebuild.
17441	* testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
17442	(tls_test_shared2.so): New target.
17443	(tls_shared_gd_to_ie_test_SOURCES): New variable.
17444	(tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
17445	(tls_shared_gd_to_ie_test_LDFLAGS): New variable.
17446	(tls_shared_gd_to_ie_test_LDADD): New variable.
17447	(tls_shared_gnu2_gd_to_ie_test): New target.
17448	(tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
17449	New targets.
17450	(tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
17451	(ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
17452	(tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
17453	(tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
17454	(tls_shared_gnu2_test): New target.
17455	(tls_test_gnu2_shared.so): New target.
17456	(tls_shared_gnu2_test_SOURCES): New variable.
17457	(tls_shared_gnu2_test_DEPENDENCIES): New variable.
17458	(tls_shared_gnu2_test_LDFLAGS): New variable.
17459	(tls_shared_gnu2_test_LDADD): New variable.
17460	* testsuite/Makefile.in: Rebuild.
17461	* testsuite/Makefile.
17462
174632008-04-11  Ian Lance Taylor  <iant@google.com>
17464
17465	* testsuite/Makefile.am (justsyms_2r.o): Add dependency on
17466	justsyms.t.
17467	* testsuite/Makefile.in: Rebuild.
17468
17469	* testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
17470	long.
17471	* testsuite/script_test_2.cc (main): Adjust test.
17472
174732008-04-11  David S. Miller  <davem@davemloft.net>
17474	    Ian Lance Taylor  <iant@google.com>
17475
17476	* options.h (General_options): Add entries for '-Y' and
17477	'-relax'.
17478	* options.cc (General_options:finalize): If -Y was used, add those
17479	entries to the library path instead of the default "/lib" and
17480	"/usr/lib".
17481
174822008-04-11  David S. Miller  <davem@davemloft.net>
17483
17484	* testsuite/justsyms.t: Start at 0x100.
17485	* testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
17486	* testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
17487	long.
17488	* testsuite/script_test_2.cc: Adjust string and section length
17489	checks.
17490
174912008-04-09  Ian Lance Taylor  <iant@google.com>
17492
17493	PR gold/5996
17494	* script-sections.cc (Sections_element::allocate_to_segment): Add
17495	orphan parameter.
17496	(Output_section_definition::allocate_to_segment): Likewise.
17497	(Orphan_output_section::allocate_to_segment): Likewise.
17498	(Script_sections::attach_sections_using_phdrs_clause): Don't
17499	propagate non-PT_LOAD segments to orphan sections.
17500	* testsuite/Makefile.am (script_test_3.stdout): Generate using
17501	readelf rather than objdump.
17502	* testsuite/script_test_3.sh: Adjust accordingly.  Test that
17503	.interp section and PT_INTERP segment are the same size.
17504	* testsuite/Makefile.in: Rebuild.
17505
17506	* symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
17507	aliases for symbols defined in the same object.
17508	* testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
17509	(weak_alias_test_SOURCES): New variable.
17510	(weak_alias_test_DEPENDENCIES): New variable.
17511	(weak_alias_test_LDFLAGS): New variable.
17512	(weak_alias_test_LDADD): New variable.
17513	(weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
17514	(weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
17515	(weak_alias_test_3.o): New target.
17516	(weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
17517	* testsuite/weak_alias_test_main.cc: New file.
17518	* testsuite/weak_alias_test_1.cc: New file.
17519	* testsuite/weak_alias_test_2.cc: New file.
17520	* testsuite/weak_alias_test_3.cc: New file.
17521
175222008-04-08  Ian Lance Taylor  <iant@google.com>
17523
17524	* options.h (class General_options): Add --noinhibit-exec option.
17525	* main.cc (main): Check --noinhibit-exec.
17526
17527	* options.h (class General_options): Define --wrap as a special
17528	option.  Add wrap_symbols_ field.
17529	(General_options::any_wrap_symbols): New function.
17530	(General_options::is_wrap_symbol): New function.
17531	* options.cc (General_options::parse_wrap): New function.
17532	(General_options::General_options): Initialize wrap_symbols_.
17533	* symtab.cc (Symbol_table::wrap_symbol): New function.
17534	(Symbol_table::add_from_object): Handle --wrap.
17535	* symtab.h (class Symbol_table): Declare wrap_symbol.
17536	* target.h (Target::wrap_char): New function.
17537	(Target::Target_info): Add wrap_char field.
17538	* i386.cc (Target_i386::i386_info): Initialize wrap_char.
17539	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
17540	* testsuite/testfile.cc (Target_test::test_target_info):
17541	Likewise.
17542
17543	* errors.cc (Errors::undefined_symbol): Mention symbol version if
17544	there is one.
17545
17546	* layout.h (class Layout): Add added_eh_frame_data_ field.
17547	* layout.cc (Layout::Layout): Initialize new field.
17548	(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
17549	output section until we find a section we merged successfully.
17550	* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
17551	that the size be non-zero.
17552
17553	* merge.cc (Object_merge_map::get_output_offset): Remove inline
17554	qualifier.
17555
175562008-04-08  Craig Silverstein  <csilvers@google.com>
17557
17558	* configure.ac: Export new conditional variable HAVE_ZLIB.
17559	* testsuite/Makefile.am (flagstest_o_specialfile): Condition
17560	on HAVE_ZLIB.
17561	(flagstest_o_specialfile_and_compress_debug_sections): Likewise.
17562	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
17563
175642008-04-07  Ian Lance Taylor  <iant@google.com>
17565
17566	* version.cc (version_string): Set to "1.5".
17567
17568	* x86_64.cc (Target_x86_64::Scan): Change from struct to class.
17569	Add issued_non_pic_error_ field.  Declare check_non_pic.
17570	(Target_x86_64::Scan::check_non_pic): New function.
17571	(Target_x86_64::Scan::local): Call check_non_pic as appropriate.
17572	(Target_x86_64::Scan::global): Likewise.
17573
17574	* output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
17575	addend parameter.  Change caller.  Handle merge sections.
17576	(Output_reloc<SHT_REL>::symbol_value): Change parameter type from
17577	Address to Addend.  Don't add in the result of
17578	local_section_offset, pass down the addend and use the returned
17579	value.
17580	* output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
17581	Update declarations of local_section_offset and symbol_value.
17582	* testsuite/two_file_test_1.cc (t18): New function.
17583	* testsuite/two_file_test_2.cc (f18): New function.
17584	* testsuite/two_file_test_main.cc (main): Call t18.
17585	* testsuite/two_file_test.h (t18, f18): Declare.
17586
17587	* configure.ac: Don't test for objdump, c++filt, or readelf.
17588	* testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
17589	conditionals.
17590	(TEST_READELF): New variable.
17591	(TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
17592	(check_PROGRAMS): Add two_file_strip_test.
17593	(two_file_strip_test): New target.
17594	(check_PROGRAMS): Add two_file_same_shared_strip_test.
17595	(two_file_same_shared_strip_test_SOURCES): New variable.
17596	(two_file_same_shared_strip_test_DEPENDENCIES): New variable.
17597	(two_file_same_shared_strip_test_LDFLAGS): New variable.
17598	(two_file_same_shared_strip_test_LDADD): New variable.
17599	(two_file_shared_strip.so): New target.
17600	(ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
17601	(ver_test_5.syms, ver_test_7.syms): Likewise.
17602	(ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
17603	(strip_test_3.stdout): Use TEST_OBJDUMP.
17604	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
17605
176062008-04-04  Cary Coutant  <ccoutant@google.com>
17607
17608	* symtab.h (Symbol::is_weak_undefined): New function.
17609	(Symbol::is_strong_undefined): New function.
17610	(Symbol::is_absolute): New function.
17611	(Symbol::needs_plt_entry): Exclude weak undefined symbols.
17612	(Symbol::needs_dynamic_reloc): Exclude weak undefined and
17613	absolute symbols.
17614	* testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
17615	(weak_undef_test): New target.
17616	* testsuite/Makefile.in: Rebuild.
17617	* testsuite/weak_undef_file1.cc: New file.
17618	* testsuite/weak_undef_file2.cc: New file.
17619	* testsuite/weak_undef_test.cc: New file.
17620
176212008-04-03  Craig Silverstein  <csilvers@google.com>
17622
17623	* compressed_output.h (class Output_compressed_section): Use
17624	unsigned buffer.
17625	* compressed_output.cc (zlib_compress): Use unsigned buffers,
17626	add zlib header.
17627	(zlib_compressed_suffix): Removed.
17628	(Output_compressed_section::set_final_data_size): Use unsigned
17629	buffers.
17630	* testsuite/Makefile.am (flagstest_compress_debug_sections):
17631	Fix linker invocation.
17632	(flagstest_o_specialfile_and_compress_debug_sections):
17633	Likewise.
17634	* testsuite/Makefile.in: Regenerated.
17635
176362008-04-02  David S. Miller  <davem@davemloft.net>
17637
17638	*  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
17639	Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
17640
176412008-04-02  Craig Silverstein  <csilvers@google.com>
17642
17643	* TODO: New file.
17644
176452008-04-02  Ian Lance Taylor  <iant@google.com>
17646
17647	* fileread.cc (File_read::find_view): Add byteshift and vshifted
17648	parameters.  Update for new key type to views_.  Change all
17649	callers.
17650	(File_read::read): Adjust for byteshift in returned view.
17651	(File_read::add_view): New function, broken out of
17652	find_and_make_view.
17653	(File_read::make_view): New function, broken out of
17654	find_and_make_view.
17655	(File_read::find_or_make_view): Add offset and aligned
17656	parameters.  Rewrite accordingly.  Change all callers.
17657	(File_read::get_view): Add offset and aligned parameters.  Adjust
17658	for byteshift in return value.
17659	(File_read::get_lasting_view): Likewise.
17660	* fileread.h (class File_read): Update declarations.
17661	(class File_read::View): Add byteshift_ field.  Add byteshift to
17662	constructor.  Add byteshift method.
17663	* archive.h (Archive::clear_uncached_views): New function.
17664	(Archive::get_view): Add aligned parameter.  Change all callers.
17665	* object.h (Object::get_view): Add aligned parameter.  Change all
17666	callers.
17667	(Object::get_lasting_view): Likewise.
17668
17669	* fileread.cc (File_read::release): Don't call clear_views if
17670	there are multiple objects.
17671	* fileread.h (File_read::clear_uncached_views): New function.
17672	* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
17673	on the archive.
17674
176752008-03-31  Cary Coutant  <ccoutant@google.com>
17676
17677	Add thin archive support.
17678	* archive.cc (Archive::armagt): New const.
17679	(Archive::setup): Remove task parameter and calls to unlock.
17680	(Archive::unlock_nested_archives): New function.
17681	(Archive::read_header): Add nested_off parameter. Change
17682	all callers.
17683	(Archive::interpret_header): Likewise.
17684	(Archive::include_all_members): Change to handle thin
17685	archives.
17686	(Archive::include_member): Likewise.
17687	* archive.h (Archive::Archive): Add new parameters and
17688	initializers.
17689	(Archive::armagt): New const.
17690	(Archive::setup): Remove task parameter.
17691	(Archive::unlock_nested_archives): New function.
17692	(Archive::read_header): Add nested_off parameter.
17693	(Archive::interpret_header): Likewise.
17694	(Archive::Nested_archive_table): New typedef.
17695	(Archive::is_thin_archive_): New field.
17696	(Archive::nested_archives_): New field.
17697	(Archive::options_): New field.
17698	(Archive::dirpath_): New field.
17699	(Archive::task_): New field.
17700	* readsyms.cc (Read_symbols::do_read_symbols): Add check
17701	for thin archives.  Pass additional parameters to
17702	Archive::Archive.  Unlock the archive file after calling
17703	Archive::setup.
17704
177052008-03-29  Ian Lance Taylor  <iant@google.com>
17706
17707	* symtab.cc (Symbol_table::do_define_as_constant): Don't force a
17708	version symbol to be local.
17709	* testsuite/ver_test_4.sh: New file.
17710	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
17711	(check_DATA): Add ver_test_4.syms.
17712	(ver_test_4.syms): New target.
17713	* testsuite/Makefile.in: Rebuild.
17714
17715	* output.cc
17716	(Output_section::Input_section_sort_entry::has_priority): New
17717	function.
17718	(Output_section::Input_section_sort_entry::match_file_name): New
17719	function.
17720	(Output_section::Input_section_sort_entry::match_section_name):
17721	Remove.
17722	(Output_section::Input_section_sort_entry::match_section_name_prefix):
17723	Remove.
17724	(Output_section::Input_section_sort_entry::match_section_file):
17725	Remove.
17726	(Output_section::Input_section_sort_compare::operator()): Rewrite
17727	using new Input_section_sort_entry functions.  Sort crtbegin and
17728	crtend first.  Sort sections with no priority before sections with
17729	a priority.
17730	* testsuite/initpri1.c (d3): Check j != 4.
17731	(cd5): New constructor/destructor function.
17732	(main): Check j != 2.
17733
17734	* symtab.cc (Symbol_table::add_from_object): If we don't use the
17735	new symbol when resolving, don't call set_is_default.
17736	* testsuite/ver_test_7.cc: New file.
17737	* testsuite/ver_test_7.sh: New file.
17738	* testsuite/Makefile.am (ver_test_7.so): New target.
17739	(ver_test_7.o): New target.
17740	(check_SCRIPTS): Add ver_test_7.sh.
17741	(check_DATA): Add ver_test_7.syms.
17742	(ver_test_7.syms): New target.
17743
177442008-03-28  Ian Lance Taylor  <iant@google.com>
17745
17746	* layout.cc (Layout::layout): If we see an input section with a
17747	name that needs sorting, set the must_sort flag for the output
17748	section.
17749	(Layout::make_output_section): If the name of the output section
17750	indicates that it might	require sorting, set the may_sort flag.
17751	* output.h (Output_section::may_sort_attached_input_sections): New
17752	function.
17753	(Output_section::set_may_sort_attached_input_sections): New
17754	function.
17755	(Output_section::must_sort_attached_input_sections): New
17756	function.
17757	(Output_section::set_must_sort_attached_input_sections): New
17758	function.
17759	(class Output_section): Declare Input_section_sort_entry.  Define
17760	Input_section_sort_compare.  Declare
17761	sort_attached_input_sections.  Add new fields:
17762	may_sort_attached_input_sections_,
17763	must_sort_attached_input_sections_,
17764	attached_input_sections_are_sorted_.
17765	* output.cc (Output_section::Output_section): Initialize new
17766	fields.
17767	(Output_section::add_input_section): Add an entry to
17768	input_sections_ if may_sort or must_sort are true.
17769	(Output_section::set_final_data_size): Call
17770	sort_attached_input_sections if necessary.
17771	(Output_section::Input_section_sort_entry): Define new class.
17772	(Output_section::Input_section_sort_compare::operator()): New
17773	function.
17774	(Output_section::sort_attached_input_sections): New function.
17775	* configure.ac: Check whether the compiler supports constructor
17776	priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
17777	* testsuite/initpri1.c: New file.
17778	* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
17779	CONSTRUCTOR_PRIORITY.
17780	(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
17781	(initpri1_LDFLAGS): New variable.
17782	* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
17783
177842008-03-27  Ian Lance Taylor  <iant@google.com>
17785
17786	* common.cc (Sort_commons::operator): Correct sorting algorithm.
17787	* testsuite/common_test_1.c: New file.
17788	* testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
17789	(common_test_1_SOURCES): New variable.
17790	(common_test_1_DEPENDENCIES): New variable.
17791	(common_test_1_LDFLAGS): New variable.
17792
17793	* symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
17794	and commons_ correctly when NAME/VERSION does not override
17795	NAME/NULL.
17796	* testsuite/ver_test_6.c: New file.
17797	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
17798	(ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
17799	(ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
17800
178012008-03-26  Ian Lance Taylor  <iant@google.com>
17802
17803	* symtab.cc (Symbol_table::add_from_relobj): Don't set the version
17804	of an undefined symbol from a version script.
17805	* testsuite/Makefile.am (ver_test_5.so): New target.
17806	(ver_test_5.o): New target.
17807	(check_SCRIPTS): Add ver_test_5.sh.
17808	(check_DATA): Add ver_test_5.syms.
17809	(ver_test_5.syms): New target.
17810	* testsuite/ver_test_5.cc: New file.
17811	* testsuite/ver_test_5.script: New file.
17812	* testsuite/ver_test_5.sh: New file.
17813	* Makefile.in, testsuite/Makefile.in: Rebuild.
17814
17815	PR gold/5986
17816	Fix problems building gold with gcc 4.3.0.
17817	* gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
17818	(gold_error_at_location, gold_warning_at_location): Use it.
17819	* configure.ac: Check whether we can compile and use a template
17820	function with a printf attribute.
17821	* x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
17822	when jumping over bytes.
17823	* object.cc: Instantiate Object::read_section_data.
17824	* debug.h: Include <cstring>
17825	* dwarf_reader.cc: Include <algorithm>
17826	* main.cc: Include <cstring>.
17827	* options.cc: Include <cstring>.
17828	* output.cc: Include <cstring>.
17829	* script.cc: Include <cstring>.
17830	* script.h: Include <string>.
17831	* symtab.cc: Include <cstring> and <algorithm>.
17832	* target-select.cc: Include <cstring>.
17833	* version.cc: Include <string>.
17834	* testsuite/testmain.cc: Include <cstdlib>.
17835	* configure, config.in: Rebuild.
17836
178372008-03-25  Ian Lance Taylor  <iant@google.com>
17838
17839	* options.cc: Include "../bfd/bfdver.h".
17840	(options::help): Print bug reporting address.
17841
17842	* version.cc (print_version): Adjust output for current value of
17843	BFD_VERSION_STRING.
17844
17845	* NEWS: New file.
17846
17847	* options.cc (options::help): Print list of supported targets.
17848	* target-select.h: Include <vector>.
17849	(class Target_selector): Make machine_, size_, and is_big_endian_
17850	fields const.  Add bfd_name_ and instantiated_target_ fields.
17851	(Target_selector::Target_selector): Add bfd_name parameter.
17852	(Target_selector::recognize): Make non-virtual, call
17853	do_recognize.
17854	(Target_selector::recognize_by_name): Make non-virtual, call
17855	do_recognize_by_name.
17856	(Target_selector::supported_names): New function.
17857	(Target_selector::bfd_name): New function.
17858	(Target_selector::do_instantiate_target): New pure virtual
17859	function.
17860	(Target_selector::do_recognize): New virtual function.
17861	(Target_selector::do_recognize_by_name): New virtual function.
17862	(Target_selector::instantiate_target): New private function.
17863	(supported_target_names): Declare.
17864	* target-select.cc (Target_selector::Target_selector): Update for
17865	new parameter and fields.
17866	(select_target_by_name): Check that the name matches before
17867	calling recognize_by_name.
17868	(supported_target_names): New function.
17869	* i386.cc (class Target_selector_i386): Update Target_selector
17870	constructor call.  Remove recognize and recognize_by_name.  Add
17871	do_instantiate_target.
17872	* x86_64.cc (class Target_selector_x86_64): Likewise.
17873	* testsuite/testfile.cc (class Target_selector_test): Update for
17874	changes to Target_selector.
17875
17876	* README: Rewrite, with some notes on unsupported features.
17877
178782008-03-24  Cary Coutant  <ccoutant@google.com>
17879
17880	* i386.cc (Target_i386::Got_type): New enum declaration.
17881	(Target_i386::Scan::local): Updated callers of Output_data_got
17882	member functions.
17883	(Target_i386::Scan::global): Likewise.
17884	(Target_i386::Relocate::relocate): Likewise.
17885	(Target_i386::Relocate::relocate_tls): Likewise.
17886	* object.h (Got_offset_list): New class.
17887	(Sized_relobj::local_has_got_offset): Added got_type parameter.
17888	(Sized_relobj::local_got_offset): Likewise.
17889	(Sized_relobj::set_local_got_offset): Likewise.
17890	(Sized_relobj::local_has_tls_got_offset): Removed.
17891	(Sized_relobj::local_tls_got_offset): Removed.
17892	(Sized_relobj::set_local_tls_got_offset): Removed.
17893	(Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
17894	* output.cc (Output_data_got::add_global): Added got_type parameter.
17895	(Output_data_got::add_global_with_rel): Likewise.
17896	(Output_data_got::add_global_with_rela): Likewise.
17897	(Output_data_got::add_global_pair_with_rel): New function.
17898	(Output_data_got::add_global_pair_with_rela): New function.
17899	(Output_data_got::add_local): Added got_type parameter.
17900	(Output_data_got::add_local_with_rel): Likewise.
17901	(Output_data_got::add_local_with_rela): Likewise.
17902	(Output_data_got::add_local_pair_with_rel): New function.
17903	(Output_data_got::add_local_pair_with_rela): New function.
17904	(Output_data_got::add_global_tls): Removed.
17905	(Output_data_got::add_global_tls_with_rel): Removed.
17906	(Output_data_got::add_global_tls_with_rela): Removed.
17907	(Output_data_got::add_local_tls): Removed.
17908	(Output_data_got::add_local_tls_with_rel): Removed.
17909	(Output_data_got::add_local_tls_with_rela): Removed.
17910	* output.h (Output_data_got::add_global): Added got_type parameter.
17911	(Output_data_got::add_global_with_rel): Likewise.
17912	(Output_data_got::add_global_with_rela): Likewise.
17913	(Output_data_got::add_global_pair_with_rel): New function.
17914	(Output_data_got::add_global_pair_with_rela): New function.
17915	(Output_data_got::add_local): Added got_type parameter.
17916	(Output_data_got::add_local_with_rel): Likewise.
17917	(Output_data_got::add_local_with_rela): Likewise.
17918	(Output_data_got::add_local_pair_with_rel): New function.
17919	(Output_data_got::add_local_pair_with_rela): New function.
17920	(Output_data_got::add_global_tls): Removed.
17921	(Output_data_got::add_global_tls_with_rel): Removed.
17922	(Output_data_got::add_global_tls_with_rela): Removed.
17923	(Output_data_got::add_local_tls): Removed.
17924	(Output_data_got::add_local_tls_with_rel): Removed.
17925	(Output_data_got::add_local_tls_with_rela): Removed.
17926	* resolve.cc (Symbol::override_base_with_special): Removed
17927	reference to has_got_offset_ field.
17928	* symtab.cc (Symbol::init_fields): Replaced initialization
17929	of got_offset_ with got_offsets_.  Removed initialization
17930	of has_got_offset_
17931	* symtab.h (Symbol::has_got_offset): Aded got_type parameter.
17932	(Symbol::got_offset): Likewise.
17933	(Symbol::set_got_offset): Likewise.
17934	(Symbol::has_tls_got_offset): Removed.
17935	(Symbol::tls_got_offset): Removed.
17936	(Symbol::set_tls_got_offset): Removed.
17937	(Symbol::got_offset_): Removed.
17938	(Symbol::tls_mod_got_offset_): Removed.
17939	(Symbol::tls_pair_got_offset_): Removed.
17940	(Symbol::got_offsets_): New field.
17941	(Symbol::has_got_offset): Removed.
17942	(Symbol::has_tls_mod_got_offset): Removed.
17943	(Symbol::has_tls_pair_got_offset): Removed.
17944	* x86_64.cc (Target_x86_64::Got_type): New enum declaration.
17945	(Target_x86_64::Scan::local): Updated callers of Output_data_got
17946	member functions.
17947	(Target_x86_64::Scan::global): Likewise.
17948	(Target_x86_64::Relocate::relocate): Likewise.
17949	(Target_x86_64::Relocate::relocate_tls): Likewise.
17950
179512008-03-25  Ben Elliston  <bje@au.ibm.com>
17952
17953	* yyscript.y: Fix spelling error in comment.
17954
179552008-03-24  Ian Lance Taylor  <iant@google.com>
17956
17957	* options.h (class General_options): Define build_id option.
17958	* layout.h (class Layout): Declare write_build_id, create_note,
17959	create_build_id.  Add build_id_note_ member.
17960	* layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
17961	"libiberty.h", "md5.h", "sha1.h".
17962	(Layout::Layout): Initialize eh_frame_data_,
17963	eh_frame_hdr_section_, and build_id_note_.
17964	(Layout::finalize): Call create_build_id.
17965	(Layout::create_note): New function, broken out of
17966	Layout::create_gold_note.
17967	(Layout::create_gold_note): Call create_note.
17968	(Layout::create_build_id): New function.
17969	(Layout::write_build_id): New function.
17970	(Close_task_runner::run): Call write_build_id.
17971
17972	* x86_64.cc: Correct license to GPLv3.
17973
179742008-03-23  Ian Lance Taylor  <iant@google.com>
17975
17976	* options.cc: Include "demangle.h".
17977	(parse_optional_string): New function.
17978	(parse_long_option): Handle takes_optional_argument.
17979	(parse_short_option): Update dash_z initializer.  Handle
17980	takes_optional_argument.
17981	(General_options::General_options): Initialize do_demangle_.
17982	(General_options::finalize): Set do_demangle_.  Handle demangling
17983	style.
17984	* options.h (parse_optional_string): Declare.
17985	(struct One_option): Add optional_arg field.  Update constructor.
17986	Update call constructor calls.  Add takes_optional_argument
17987	function.
17988	(DEFINE_var): Add optional_arg__ parameter.  Change all callers.
17989	(DEFINE_optional_string): Define.
17990	(General_options::demangle): Change from DEFINE_bool to
17991	DEFINE_optional_string.
17992	(General_options::no_demangle): New function.
17993	(General_options::do_demangle): New function.
17994	(General_options::set_do_demangle): New function.
17995	(General_options::execstack_status_): Move definition to end of
17996	class definition.
17997	(General_options::static_): Likewise.
17998	(General_options::do_demangle_): New field.
17999	* object.cc (big_endian>::get_symbol_location_info): Call
18000	Options::do_demangle, not Options::demangle.
18001	* symtab.cc (demangle): Likewise.
18002
180032008-03-22  Ian Lance Taylor  <iant@google.com>
18004
18005	* gold.h: Include <cstddef> and <sys/types.h>
18006	* options.h: Include <cstring>.
18007
180082008-03-21  Ian Lance Taylor  <iant@google.com>
18009
18010	* Added source code to GNU binutils.
18011
18012Copyright (C) 2008-2015 Free Software Foundation, Inc.
18013
18014Copying and distribution of this file, with or without modification,
18015are permitted in any medium without royalty provided the copyright
18016notice and this notice are preserved.
18017
18018Local Variables:
18019mode: change-log
18020left-margin: 8
18021fill-column: 74
18022version-control: never
18023End:
18024