1 /* Target definitions for NN-bit ELF 2 Copyright (C) 1993-2015 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 22 /* This structure contains everything that BFD knows about a target. 23 It includes things like its byte order, name, what routines to call 24 to do various operations, etc. Every BFD points to a target structure 25 with its "xvec" member. 26 27 There are two such structures here: one for big-endian machines and 28 one for little-endian machines. */ 29 30 #ifndef bfd_elfNN_close_and_cleanup 31 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup 32 #endif 33 #ifndef bfd_elfNN_bfd_free_cached_info 34 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info 35 #endif 36 #ifndef bfd_elfNN_get_section_contents 37 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents 38 #endif 39 40 #define bfd_elfNN_canonicalize_dynamic_symtab \ 41 _bfd_elf_canonicalize_dynamic_symtab 42 #ifndef bfd_elfNN_get_synthetic_symtab 43 #define bfd_elfNN_get_synthetic_symtab \ 44 _bfd_elf_get_synthetic_symtab 45 #endif 46 #ifndef bfd_elfNN_canonicalize_reloc 47 #define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc 48 #endif 49 #ifndef bfd_elfNN_find_nearest_line 50 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line 51 #endif 52 #ifndef bfd_elfNN_find_line 53 #define bfd_elfNN_find_line _bfd_elf_find_line 54 #endif 55 #ifndef bfd_elfNN_find_inliner_info 56 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info 57 #endif 58 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols 59 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol 60 #define bfd_elfNN_get_dynamic_symtab_upper_bound \ 61 _bfd_elf_get_dynamic_symtab_upper_bound 62 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno 63 #ifndef bfd_elfNN_get_reloc_upper_bound 64 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound 65 #endif 66 #ifndef bfd_elfNN_get_symbol_info 67 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info 68 #endif 69 #ifndef bfd_elfNN_get_symbol_version_string 70 #define bfd_elfNN_get_symbol_version_string \ 71 _bfd_elf_get_symbol_version_string 72 #endif 73 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab 74 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound 75 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol 76 #ifndef bfd_elfNN_new_section_hook 77 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook 78 #endif 79 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach 80 #ifndef bfd_elfNN_set_section_contents 81 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents 82 #endif 83 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers 84 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents 85 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents 86 87 #define bfd_elfNN_get_section_contents_in_window \ 88 _bfd_generic_get_section_contents_in_window 89 90 #ifndef elf_backend_can_refcount 91 #define elf_backend_can_refcount 0 92 #endif 93 #ifndef elf_backend_want_got_plt 94 #define elf_backend_want_got_plt 0 95 #endif 96 #ifndef elf_backend_plt_readonly 97 #define elf_backend_plt_readonly 0 98 #endif 99 #ifndef elf_backend_want_plt_sym 100 #define elf_backend_want_plt_sym 0 101 #endif 102 #ifndef elf_backend_plt_not_loaded 103 #define elf_backend_plt_not_loaded 0 104 #endif 105 #ifndef elf_backend_plt_alignment 106 #define elf_backend_plt_alignment 2 107 #endif 108 #ifndef elf_backend_want_dynbss 109 #define elf_backend_want_dynbss 1 110 #endif 111 #ifndef elf_backend_want_p_paddr_set_to_zero 112 #define elf_backend_want_p_paddr_set_to_zero 0 113 #endif 114 #ifndef elf_backend_default_execstack 115 #define elf_backend_default_execstack 1 116 #endif 117 #ifndef elf_backend_caches_rawsize 118 #define elf_backend_caches_rawsize 0 119 #endif 120 #ifndef elf_backend_extern_protected_data 121 #define elf_backend_extern_protected_data 0 122 #endif 123 #ifndef elf_backend_stack_align 124 #define elf_backend_stack_align 16 125 #endif 126 127 #define bfd_elfNN_bfd_debug_info_start bfd_void 128 #define bfd_elfNN_bfd_debug_info_end bfd_void 129 #define bfd_elfNN_bfd_debug_info_accumulate \ 130 ((void (*) (bfd*, struct bfd_section *)) bfd_void) 131 132 #ifndef bfd_elfNN_bfd_get_relocated_section_contents 133 #define bfd_elfNN_bfd_get_relocated_section_contents \ 134 bfd_generic_get_relocated_section_contents 135 #endif 136 137 #ifndef bfd_elfNN_bfd_relax_section 138 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section 139 #endif 140 141 #ifndef elf_backend_can_gc_sections 142 #define elf_backend_can_gc_sections 0 143 #endif 144 #ifndef elf_backend_can_refcount 145 #define elf_backend_can_refcount 0 146 #endif 147 #ifndef elf_backend_want_got_sym 148 #define elf_backend_want_got_sym 1 149 #endif 150 #ifndef elf_backend_gc_keep 151 #define elf_backend_gc_keep _bfd_elf_gc_keep 152 #endif 153 #ifndef elf_backend_gc_mark_dynamic_ref 154 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol 155 #endif 156 #ifndef elf_backend_gc_mark_hook 157 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook 158 #endif 159 #ifndef elf_backend_gc_mark_extra_sections 160 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections 161 #endif 162 #ifndef elf_backend_gc_sweep_hook 163 #define elf_backend_gc_sweep_hook NULL 164 #endif 165 #ifndef bfd_elfNN_bfd_gc_sections 166 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections 167 #endif 168 169 #ifndef bfd_elfNN_bfd_merge_sections 170 #define bfd_elfNN_bfd_merge_sections \ 171 _bfd_elf_merge_sections 172 #endif 173 174 #ifndef bfd_elfNN_bfd_is_group_section 175 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section 176 #endif 177 178 #ifndef bfd_elfNN_bfd_discard_group 179 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group 180 #endif 181 182 #ifndef bfd_elfNN_section_already_linked 183 #define bfd_elfNN_section_already_linked \ 184 _bfd_elf_section_already_linked 185 #endif 186 187 #ifndef bfd_elfNN_bfd_define_common_symbol 188 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol 189 #endif 190 191 #ifndef bfd_elfNN_bfd_lookup_section_flags 192 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags 193 #endif 194 195 #ifndef bfd_elfNN_bfd_make_debug_symbol 196 #define bfd_elfNN_bfd_make_debug_symbol \ 197 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 198 #endif 199 200 #ifndef bfd_elfNN_bfd_copy_private_symbol_data 201 #define bfd_elfNN_bfd_copy_private_symbol_data \ 202 _bfd_elf_copy_private_symbol_data 203 #endif 204 205 #ifndef bfd_elfNN_bfd_copy_private_section_data 206 #define bfd_elfNN_bfd_copy_private_section_data \ 207 _bfd_elf_copy_private_section_data 208 #endif 209 #ifndef bfd_elfNN_bfd_copy_private_header_data 210 #define bfd_elfNN_bfd_copy_private_header_data \ 211 _bfd_elf_copy_private_header_data 212 #endif 213 #ifndef bfd_elfNN_bfd_copy_private_bfd_data 214 #define bfd_elfNN_bfd_copy_private_bfd_data \ 215 _bfd_elf_copy_private_bfd_data 216 #endif 217 #ifndef bfd_elfNN_bfd_print_private_bfd_data 218 #define bfd_elfNN_bfd_print_private_bfd_data \ 219 _bfd_elf_print_private_bfd_data 220 #endif 221 #ifndef bfd_elfNN_bfd_merge_private_bfd_data 222 #define bfd_elfNN_bfd_merge_private_bfd_data \ 223 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 224 #endif 225 #ifndef bfd_elfNN_bfd_set_private_flags 226 #define bfd_elfNN_bfd_set_private_flags \ 227 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 228 #endif 229 #ifndef bfd_elfNN_bfd_is_local_label_name 230 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name 231 #endif 232 #ifndef bfd_elfNN_bfd_is_target_special_symbol 233 #define bfd_elfNN_bfd_is_target_special_symbol \ 234 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 235 #endif 236 237 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound 238 #define bfd_elfNN_get_dynamic_reloc_upper_bound \ 239 _bfd_elf_get_dynamic_reloc_upper_bound 240 #endif 241 #ifndef bfd_elfNN_canonicalize_dynamic_reloc 242 #define bfd_elfNN_canonicalize_dynamic_reloc \ 243 _bfd_elf_canonicalize_dynamic_reloc 244 #endif 245 246 #ifdef elf_backend_relocate_section 247 #ifndef bfd_elfNN_bfd_link_hash_table_create 248 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create 249 #endif 250 #ifndef bfd_elfNN_bfd_link_add_symbols 251 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols 252 #endif 253 #ifndef bfd_elfNN_bfd_final_link 254 #define bfd_elfNN_bfd_final_link bfd_elf_final_link 255 #endif 256 #else /* ! defined (elf_backend_relocate_section) */ 257 /* If no backend relocate_section routine, use the generic linker. 258 Note - this will prevent the port from being able to use some of 259 the other features of the ELF linker, because the generic hash structure 260 does not have the fields needed by the ELF linker. In particular it 261 means that linking directly to S-records will not work. */ 262 #ifndef bfd_elfNN_bfd_link_hash_table_create 263 #define bfd_elfNN_bfd_link_hash_table_create \ 264 _bfd_generic_link_hash_table_create 265 #endif 266 #ifndef bfd_elfNN_bfd_link_add_symbols 267 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols 268 #endif 269 #ifndef bfd_elfNN_bfd_final_link 270 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link 271 #endif 272 #endif /* ! defined (elf_backend_relocate_section) */ 273 274 #ifndef bfd_elfNN_bfd_link_just_syms 275 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms 276 #endif 277 278 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type 279 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \ 280 _bfd_elf_copy_link_hash_symbol_type 281 #endif 282 283 #ifndef bfd_elfNN_bfd_link_split_section 284 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section 285 #endif 286 287 #ifndef bfd_elfNN_archive_p 288 #define bfd_elfNN_archive_p bfd_generic_archive_p 289 #endif 290 291 #ifndef bfd_elfNN_write_archive_contents 292 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents 293 #endif 294 295 #ifndef bfd_elfNN_mkobject 296 #define bfd_elfNN_mkobject bfd_elf_make_object 297 #endif 298 299 #ifndef bfd_elfNN_mkcorefile 300 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile 301 #endif 302 303 #ifndef bfd_elfNN_mkarchive 304 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive 305 #endif 306 307 #ifndef bfd_elfNN_print_symbol 308 #define bfd_elfNN_print_symbol bfd_elf_print_symbol 309 #endif 310 311 #ifndef elf_symbol_leading_char 312 #define elf_symbol_leading_char 0 313 #endif 314 315 #ifndef elf_info_to_howto 316 #define elf_info_to_howto 0 317 #endif 318 319 #ifndef elf_info_to_howto_rel 320 #define elf_info_to_howto_rel 0 321 #endif 322 323 #ifndef elf_backend_arch_data 324 #define elf_backend_arch_data NULL 325 #endif 326 327 #ifndef ELF_TARGET_ID 328 #define ELF_TARGET_ID GENERIC_ELF_DATA 329 #endif 330 331 #ifndef ELF_OSABI 332 #define ELF_OSABI ELFOSABI_NONE 333 #endif 334 335 #ifndef ELF_MAXPAGESIZE 336 # error ELF_MAXPAGESIZE is not defined 337 #define ELF_MAXPAGESIZE 1 338 #endif 339 340 #ifndef ELF_COMMONPAGESIZE 341 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE 342 #endif 343 344 #ifndef ELF_MINPAGESIZE 345 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE 346 #endif 347 348 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE 349 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE 350 #endif 351 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE 352 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE 353 #endif 354 355 #ifndef ELF_DYNAMIC_SEC_FLAGS 356 /* Note that we set the SEC_IN_MEMORY flag for these sections. */ 357 #define ELF_DYNAMIC_SEC_FLAGS \ 358 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \ 359 | SEC_IN_MEMORY | SEC_LINKER_CREATED) 360 #endif 361 362 #ifndef elf_backend_collect 363 #define elf_backend_collect FALSE 364 #endif 365 #ifndef elf_backend_type_change_ok 366 #define elf_backend_type_change_ok FALSE 367 #endif 368 369 #ifndef elf_backend_sym_is_global 370 #define elf_backend_sym_is_global 0 371 #endif 372 #ifndef elf_backend_object_p 373 #define elf_backend_object_p 0 374 #endif 375 #ifndef elf_backend_symbol_processing 376 #define elf_backend_symbol_processing 0 377 #endif 378 #ifndef elf_backend_symbol_table_processing 379 #define elf_backend_symbol_table_processing 0 380 #endif 381 #ifndef elf_backend_get_symbol_type 382 #define elf_backend_get_symbol_type 0 383 #endif 384 #ifndef elf_backend_archive_symbol_lookup 385 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup 386 #endif 387 #ifndef elf_backend_name_local_section_symbols 388 #define elf_backend_name_local_section_symbols 0 389 #endif 390 #ifndef elf_backend_section_processing 391 #define elf_backend_section_processing 0 392 #endif 393 #ifndef elf_backend_section_from_shdr 394 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr 395 #endif 396 #ifndef elf_backend_section_flags 397 #define elf_backend_section_flags 0 398 #endif 399 #ifndef elf_backend_get_sec_type_attr 400 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr 401 #endif 402 #ifndef elf_backend_section_from_phdr 403 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr 404 #endif 405 #ifndef elf_backend_fake_sections 406 #define elf_backend_fake_sections 0 407 #endif 408 #ifndef elf_backend_section_from_bfd_section 409 #define elf_backend_section_from_bfd_section 0 410 #endif 411 #ifndef elf_backend_add_symbol_hook 412 #define elf_backend_add_symbol_hook 0 413 #endif 414 #ifndef elf_backend_link_output_symbol_hook 415 #define elf_backend_link_output_symbol_hook 0 416 #endif 417 #ifndef elf_backend_create_dynamic_sections 418 #define elf_backend_create_dynamic_sections 0 419 #endif 420 #ifndef elf_backend_omit_section_dynsym 421 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym 422 #endif 423 #ifndef elf_backend_relocs_compatible 424 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible 425 #endif 426 #ifndef elf_backend_check_relocs 427 #define elf_backend_check_relocs 0 428 #endif 429 #ifndef elf_backend_check_directives 430 #define elf_backend_check_directives 0 431 #endif 432 #ifndef elf_backend_notice_as_needed 433 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed 434 #endif 435 #ifndef elf_backend_adjust_dynamic_symbol 436 #define elf_backend_adjust_dynamic_symbol 0 437 #endif 438 #ifndef elf_backend_always_size_sections 439 #define elf_backend_always_size_sections 0 440 #endif 441 #ifndef elf_backend_size_dynamic_sections 442 #define elf_backend_size_dynamic_sections 0 443 #endif 444 #ifndef elf_backend_init_index_section 445 #define elf_backend_init_index_section \ 446 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void) 447 #endif 448 #ifndef elf_backend_relocate_section 449 #define elf_backend_relocate_section 0 450 #endif 451 #ifndef elf_backend_finish_dynamic_symbol 452 #define elf_backend_finish_dynamic_symbol 0 453 #endif 454 #ifndef elf_backend_finish_dynamic_sections 455 #define elf_backend_finish_dynamic_sections 0 456 #endif 457 #ifndef elf_backend_begin_write_processing 458 #define elf_backend_begin_write_processing 0 459 #endif 460 #ifndef elf_backend_final_write_processing 461 #define elf_backend_final_write_processing 0 462 #endif 463 #ifndef elf_backend_additional_program_headers 464 #define elf_backend_additional_program_headers 0 465 #endif 466 #ifndef elf_backend_modify_segment_map 467 #define elf_backend_modify_segment_map 0 468 #endif 469 #ifndef elf_backend_modify_program_headers 470 #define elf_backend_modify_program_headers 0 471 #endif 472 #ifndef elf_backend_ecoff_debug_swap 473 #define elf_backend_ecoff_debug_swap 0 474 #endif 475 #ifndef elf_backend_bfd_from_remote_memory 476 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory 477 #endif 478 #ifndef elf_backend_got_header_size 479 #define elf_backend_got_header_size 0 480 #endif 481 #ifndef elf_backend_got_elt_size 482 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size 483 #endif 484 #ifndef elf_backend_obj_attrs_vendor 485 #define elf_backend_obj_attrs_vendor NULL 486 #endif 487 #ifndef elf_backend_obj_attrs_section 488 #define elf_backend_obj_attrs_section NULL 489 #endif 490 #ifndef elf_backend_obj_attrs_arg_type 491 #define elf_backend_obj_attrs_arg_type NULL 492 #endif 493 #ifndef elf_backend_obj_attrs_section_type 494 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES 495 #endif 496 #ifndef elf_backend_obj_attrs_order 497 #define elf_backend_obj_attrs_order NULL 498 #endif 499 #ifndef elf_backend_obj_attrs_handle_unknown 500 #define elf_backend_obj_attrs_handle_unknown NULL 501 #endif 502 #ifndef elf_backend_static_tls_alignment 503 #define elf_backend_static_tls_alignment 1 504 #endif 505 #ifndef elf_backend_post_process_headers 506 #define elf_backend_post_process_headers _bfd_elf_post_process_headers 507 #endif 508 #ifndef elf_backend_print_symbol_all 509 #define elf_backend_print_symbol_all NULL 510 #endif 511 #ifndef elf_backend_output_arch_local_syms 512 #define elf_backend_output_arch_local_syms NULL 513 #endif 514 #ifndef elf_backend_output_arch_syms 515 #define elf_backend_output_arch_syms NULL 516 #endif 517 #ifndef elf_backend_copy_indirect_symbol 518 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect 519 #endif 520 #ifndef elf_backend_hide_symbol 521 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol 522 #endif 523 #ifndef elf_backend_fixup_symbol 524 #define elf_backend_fixup_symbol NULL 525 #endif 526 #ifndef elf_backend_merge_symbol_attribute 527 #define elf_backend_merge_symbol_attribute NULL 528 #endif 529 #ifndef elf_backend_get_target_dtag 530 #define elf_backend_get_target_dtag NULL 531 #endif 532 #ifndef elf_backend_ignore_undef_symbol 533 #define elf_backend_ignore_undef_symbol NULL 534 #endif 535 #ifndef elf_backend_emit_relocs 536 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs 537 #endif 538 #ifndef elf_backend_count_relocs 539 #define elf_backend_count_relocs NULL 540 #endif 541 #ifndef elf_backend_sort_relocs_p 542 #define elf_backend_sort_relocs_p NULL 543 #endif 544 #ifndef elf_backend_grok_prstatus 545 #define elf_backend_grok_prstatus NULL 546 #endif 547 #ifndef elf_backend_grok_psinfo 548 #define elf_backend_grok_psinfo NULL 549 #endif 550 #ifndef elf_backend_write_core_note 551 #define elf_backend_write_core_note NULL 552 #endif 553 #ifndef elf_backend_lookup_section_flags_hook 554 #define elf_backend_lookup_section_flags_hook NULL 555 #endif 556 #ifndef elf_backend_reloc_type_class 557 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class 558 #endif 559 #ifndef elf_backend_discard_info 560 #define elf_backend_discard_info NULL 561 #endif 562 #ifndef elf_backend_ignore_discarded_relocs 563 #define elf_backend_ignore_discarded_relocs NULL 564 #endif 565 #ifndef elf_backend_action_discarded 566 #define elf_backend_action_discarded _bfd_elf_default_action_discarded 567 #endif 568 #ifndef elf_backend_eh_frame_address_size 569 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size 570 #endif 571 #ifndef elf_backend_can_make_relative_eh_frame 572 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative 573 #endif 574 #ifndef elf_backend_can_make_lsda_relative_eh_frame 575 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative 576 #endif 577 #ifndef elf_backend_encode_eh_address 578 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address 579 #endif 580 #ifndef elf_backend_write_section 581 #define elf_backend_write_section NULL 582 #endif 583 #ifndef elf_backend_mips_irix_compat 584 #define elf_backend_mips_irix_compat NULL 585 #endif 586 #ifndef elf_backend_mips_rtype_to_howto 587 #define elf_backend_mips_rtype_to_howto NULL 588 #endif 589 590 /* Previously, backends could only use SHT_REL or SHT_RELA relocation 591 sections, but not both. They defined USE_REL to indicate SHT_REL 592 sections, and left it undefined to indicated SHT_RELA sections. 593 For backwards compatibility, we still support this usage. */ 594 #ifndef USE_REL 595 #define USE_REL 0 596 #endif 597 598 /* Use these in new code. */ 599 #ifndef elf_backend_may_use_rel_p 600 #define elf_backend_may_use_rel_p USE_REL 601 #endif 602 #ifndef elf_backend_may_use_rela_p 603 #define elf_backend_may_use_rela_p !USE_REL 604 #endif 605 #ifndef elf_backend_default_use_rela_p 606 #define elf_backend_default_use_rela_p !USE_REL 607 #endif 608 #ifndef elf_backend_rela_plts_and_copies_p 609 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p 610 #endif 611 612 #ifndef elf_backend_rela_normal 613 #define elf_backend_rela_normal 0 614 #endif 615 616 #ifndef elf_backend_plt_sym_val 617 #define elf_backend_plt_sym_val NULL 618 #endif 619 #ifndef elf_backend_relplt_name 620 #define elf_backend_relplt_name NULL 621 #endif 622 623 #ifndef ELF_MACHINE_ALT1 624 #define ELF_MACHINE_ALT1 0 625 #endif 626 627 #ifndef ELF_MACHINE_ALT2 628 #define ELF_MACHINE_ALT2 0 629 #endif 630 631 #ifndef elf_backend_size_info 632 #define elf_backend_size_info _bfd_elfNN_size_info 633 #endif 634 635 #ifndef elf_backend_special_sections 636 #define elf_backend_special_sections NULL 637 #endif 638 639 #ifndef elf_backend_sign_extend_vma 640 #define elf_backend_sign_extend_vma 0 641 #endif 642 643 #ifndef elf_backend_link_order_error_handler 644 #define elf_backend_link_order_error_handler _bfd_default_error_handler 645 #endif 646 647 #ifndef elf_backend_common_definition 648 #define elf_backend_common_definition _bfd_elf_common_definition 649 #endif 650 651 #ifndef elf_backend_common_section_index 652 #define elf_backend_common_section_index _bfd_elf_common_section_index 653 #endif 654 655 #ifndef elf_backend_common_section 656 #define elf_backend_common_section _bfd_elf_common_section 657 #endif 658 659 #ifndef elf_backend_merge_symbol 660 #define elf_backend_merge_symbol NULL 661 #endif 662 663 #ifndef elf_backend_hash_symbol 664 #define elf_backend_hash_symbol _bfd_elf_hash_symbol 665 #endif 666 667 #ifndef elf_backend_is_function_type 668 #define elf_backend_is_function_type _bfd_elf_is_function_type 669 #endif 670 671 #ifndef elf_backend_maybe_function_sym 672 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym 673 #endif 674 675 #ifndef elf_backend_get_reloc_section 676 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section 677 #endif 678 679 #ifndef elf_backend_compact_eh_encoding 680 #define elf_backend_compact_eh_encoding NULL 681 #endif 682 683 #ifndef elf_backend_cant_unwind_opcode 684 #define elf_backend_cant_unwind_opcode 0 685 #endif 686 687 #ifndef elf_match_priority 688 #define elf_match_priority \ 689 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0) 690 #endif 691 692 extern const struct elf_size_info _bfd_elfNN_size_info; 693 694 static struct elf_backend_data elfNN_bed = 695 { 696 ELF_ARCH, /* arch */ 697 ELF_TARGET_ID, /* target_id */ 698 ELF_MACHINE_CODE, /* elf_machine_code */ 699 ELF_OSABI, /* elf_osabi */ 700 ELF_MAXPAGESIZE, /* maxpagesize */ 701 ELF_MINPAGESIZE, /* minpagesize */ 702 ELF_COMMONPAGESIZE, /* commonpagesize */ 703 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */ 704 elf_backend_arch_data, 705 elf_info_to_howto, 706 elf_info_to_howto_rel, 707 elf_backend_sym_is_global, 708 elf_backend_object_p, 709 elf_backend_symbol_processing, 710 elf_backend_symbol_table_processing, 711 elf_backend_get_symbol_type, 712 elf_backend_archive_symbol_lookup, 713 elf_backend_name_local_section_symbols, 714 elf_backend_section_processing, 715 elf_backend_section_from_shdr, 716 elf_backend_section_flags, 717 elf_backend_get_sec_type_attr, 718 elf_backend_section_from_phdr, 719 elf_backend_fake_sections, 720 elf_backend_section_from_bfd_section, 721 elf_backend_add_symbol_hook, 722 elf_backend_link_output_symbol_hook, 723 elf_backend_create_dynamic_sections, 724 elf_backend_omit_section_dynsym, 725 elf_backend_relocs_compatible, 726 elf_backend_check_relocs, 727 elf_backend_check_directives, 728 elf_backend_notice_as_needed, 729 elf_backend_adjust_dynamic_symbol, 730 elf_backend_always_size_sections, 731 elf_backend_size_dynamic_sections, 732 elf_backend_init_index_section, 733 elf_backend_relocate_section, 734 elf_backend_finish_dynamic_symbol, 735 elf_backend_finish_dynamic_sections, 736 elf_backend_begin_write_processing, 737 elf_backend_final_write_processing, 738 elf_backend_additional_program_headers, 739 elf_backend_modify_segment_map, 740 elf_backend_modify_program_headers, 741 elf_backend_gc_keep, 742 elf_backend_gc_mark_dynamic_ref, 743 elf_backend_gc_mark_hook, 744 elf_backend_gc_mark_extra_sections, 745 elf_backend_gc_sweep_hook, 746 elf_backend_post_process_headers, 747 elf_backend_print_symbol_all, 748 elf_backend_output_arch_local_syms, 749 elf_backend_output_arch_syms, 750 elf_backend_copy_indirect_symbol, 751 elf_backend_hide_symbol, 752 elf_backend_fixup_symbol, 753 elf_backend_merge_symbol_attribute, 754 elf_backend_get_target_dtag, 755 elf_backend_ignore_undef_symbol, 756 elf_backend_emit_relocs, 757 elf_backend_count_relocs, 758 elf_backend_sort_relocs_p, 759 elf_backend_grok_prstatus, 760 elf_backend_grok_psinfo, 761 elf_backend_write_core_note, 762 elf_backend_lookup_section_flags_hook, 763 elf_backend_reloc_type_class, 764 elf_backend_discard_info, 765 elf_backend_ignore_discarded_relocs, 766 elf_backend_action_discarded, 767 elf_backend_eh_frame_address_size, 768 elf_backend_can_make_relative_eh_frame, 769 elf_backend_can_make_lsda_relative_eh_frame, 770 elf_backend_encode_eh_address, 771 elf_backend_write_section, 772 elf_backend_mips_irix_compat, 773 elf_backend_mips_rtype_to_howto, 774 elf_backend_ecoff_debug_swap, 775 elf_backend_bfd_from_remote_memory, 776 elf_backend_plt_sym_val, 777 elf_backend_common_definition, 778 elf_backend_common_section_index, 779 elf_backend_common_section, 780 elf_backend_merge_symbol, 781 elf_backend_hash_symbol, 782 elf_backend_is_function_type, 783 elf_backend_maybe_function_sym, 784 elf_backend_get_reloc_section, 785 elf_backend_link_order_error_handler, 786 elf_backend_relplt_name, 787 ELF_MACHINE_ALT1, 788 ELF_MACHINE_ALT2, 789 &elf_backend_size_info, 790 elf_backend_special_sections, 791 elf_backend_got_header_size, 792 elf_backend_got_elt_size, 793 elf_backend_obj_attrs_vendor, 794 elf_backend_obj_attrs_section, 795 elf_backend_obj_attrs_arg_type, 796 elf_backend_obj_attrs_section_type, 797 elf_backend_obj_attrs_order, 798 elf_backend_obj_attrs_handle_unknown, 799 elf_backend_compact_eh_encoding, 800 elf_backend_cant_unwind_opcode, 801 elf_backend_static_tls_alignment, 802 elf_backend_stack_align, 803 elf_backend_collect, 804 elf_backend_type_change_ok, 805 elf_backend_may_use_rel_p, 806 elf_backend_may_use_rela_p, 807 elf_backend_default_use_rela_p, 808 elf_backend_rela_plts_and_copies_p, 809 elf_backend_rela_normal, 810 elf_backend_sign_extend_vma, 811 elf_backend_want_got_plt, 812 elf_backend_plt_readonly, 813 elf_backend_want_plt_sym, 814 elf_backend_plt_not_loaded, 815 elf_backend_plt_alignment, 816 elf_backend_can_gc_sections, 817 elf_backend_can_refcount, 818 elf_backend_want_got_sym, 819 elf_backend_want_dynbss, 820 elf_backend_want_p_paddr_set_to_zero, 821 elf_backend_default_execstack, 822 elf_backend_caches_rawsize, 823 elf_backend_extern_protected_data 824 }; 825 826 /* Forward declaration for use when initialising alternative_target field. */ 827 #ifdef TARGET_LITTLE_SYM 828 extern const bfd_target TARGET_LITTLE_SYM; 829 #endif 830 831 #ifdef TARGET_BIG_SYM 832 const bfd_target TARGET_BIG_SYM = 833 { 834 /* name: identify kind of target */ 835 TARGET_BIG_NAME, 836 837 /* flavour: general indication about file */ 838 bfd_target_elf_flavour, 839 840 /* byteorder: data is big endian */ 841 BFD_ENDIAN_BIG, 842 843 /* header_byteorder: header is also big endian */ 844 BFD_ENDIAN_BIG, 845 846 /* object_flags: mask of all file flags */ 847 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS 848 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS 849 | BFD_COMPRESS_GABI), 850 851 /* section_flags: mask of all section flags */ 852 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY 853 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES 854 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP), 855 856 /* leading_symbol_char: is the first char of a user symbol 857 predictable, and if so what is it */ 858 elf_symbol_leading_char, 859 860 /* ar_pad_char: pad character for filenames within an archive header 861 FIXME: this really has nothing to do with ELF, this is a characteristic 862 of the archiver and/or os and should be independently tunable */ 863 '/', 864 865 /* ar_max_namelen: maximum number of characters in an archive header 866 FIXME: this really has nothing to do with ELF, this is a characteristic 867 of the archiver and should be independently tunable. The System V ABI, 868 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */ 869 15, 870 871 elf_match_priority, 872 873 /* Routines to byte-swap various sized integers from the data sections */ 874 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 875 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 876 bfd_getb16, bfd_getb_signed_16, bfd_putb16, 877 878 /* Routines to byte-swap various sized integers from the file headers */ 879 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 880 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 881 bfd_getb16, bfd_getb_signed_16, bfd_putb16, 882 883 /* bfd_check_format: check the format of a file being read */ 884 { _bfd_dummy_target, /* unknown format */ 885 bfd_elfNN_object_p, /* assembler/linker output (object file) */ 886 bfd_elfNN_archive_p, /* an archive */ 887 bfd_elfNN_core_file_p /* a core file */ 888 }, 889 890 /* bfd_set_format: set the format of a file being written */ 891 { bfd_false, 892 bfd_elfNN_mkobject, 893 bfd_elfNN_mkarchive, 894 bfd_elfNN_mkcorefile 895 }, 896 897 /* bfd_write_contents: write cached information into a file being written */ 898 { bfd_false, 899 bfd_elfNN_write_object_contents, 900 bfd_elfNN_write_archive_contents, 901 bfd_elfNN_write_corefile_contents, 902 }, 903 904 BFD_JUMP_TABLE_GENERIC (bfd_elfNN), 905 BFD_JUMP_TABLE_COPY (bfd_elfNN), 906 BFD_JUMP_TABLE_CORE (bfd_elfNN), 907 #ifdef bfd_elfNN_archive_functions 908 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive), 909 #else 910 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), 911 #endif 912 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN), 913 BFD_JUMP_TABLE_RELOCS (bfd_elfNN), 914 BFD_JUMP_TABLE_WRITE (bfd_elfNN), 915 BFD_JUMP_TABLE_LINK (bfd_elfNN), 916 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN), 917 918 /* Alternative endian target. */ 919 #ifdef TARGET_LITTLE_SYM 920 & TARGET_LITTLE_SYM, 921 #else 922 NULL, 923 #endif 924 925 /* backend_data: */ 926 &elfNN_bed 927 }; 928 #endif 929 930 #ifdef TARGET_LITTLE_SYM 931 const bfd_target TARGET_LITTLE_SYM = 932 { 933 /* name: identify kind of target */ 934 TARGET_LITTLE_NAME, 935 936 /* flavour: general indication about file */ 937 bfd_target_elf_flavour, 938 939 /* byteorder: data is little endian */ 940 BFD_ENDIAN_LITTLE, 941 942 /* header_byteorder: header is also little endian */ 943 BFD_ENDIAN_LITTLE, 944 945 /* object_flags: mask of all file flags */ 946 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS 947 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS 948 | BFD_COMPRESS_GABI), 949 950 /* section_flags: mask of all section flags */ 951 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY 952 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES 953 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP), 954 955 /* leading_symbol_char: is the first char of a user symbol 956 predictable, and if so what is it */ 957 elf_symbol_leading_char, 958 959 /* ar_pad_char: pad character for filenames within an archive header 960 FIXME: this really has nothing to do with ELF, this is a characteristic 961 of the archiver and/or os and should be independently tunable */ 962 '/', 963 964 /* ar_max_namelen: maximum number of characters in an archive header 965 FIXME: this really has nothing to do with ELF, this is a characteristic 966 of the archiver and should be independently tunable. The System V ABI, 967 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */ 968 15, 969 970 elf_match_priority, 971 972 /* Routines to byte-swap various sized integers from the data sections */ 973 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 974 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 975 bfd_getl16, bfd_getl_signed_16, bfd_putl16, 976 977 /* Routines to byte-swap various sized integers from the file headers */ 978 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 979 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 980 bfd_getl16, bfd_getl_signed_16, bfd_putl16, 981 982 /* bfd_check_format: check the format of a file being read */ 983 { _bfd_dummy_target, /* unknown format */ 984 bfd_elfNN_object_p, /* assembler/linker output (object file) */ 985 bfd_elfNN_archive_p, /* an archive */ 986 bfd_elfNN_core_file_p /* a core file */ 987 }, 988 989 /* bfd_set_format: set the format of a file being written */ 990 { bfd_false, 991 bfd_elfNN_mkobject, 992 bfd_elfNN_mkarchive, 993 bfd_elfNN_mkcorefile 994 }, 995 996 /* bfd_write_contents: write cached information into a file being written */ 997 { bfd_false, 998 bfd_elfNN_write_object_contents, 999 bfd_elfNN_write_archive_contents, 1000 bfd_elfNN_write_corefile_contents, 1001 }, 1002 1003 BFD_JUMP_TABLE_GENERIC (bfd_elfNN), 1004 BFD_JUMP_TABLE_COPY (bfd_elfNN), 1005 BFD_JUMP_TABLE_CORE (bfd_elfNN), 1006 #ifdef bfd_elfNN_archive_functions 1007 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive), 1008 #else 1009 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), 1010 #endif 1011 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN), 1012 BFD_JUMP_TABLE_RELOCS (bfd_elfNN), 1013 BFD_JUMP_TABLE_WRITE (bfd_elfNN), 1014 BFD_JUMP_TABLE_LINK (bfd_elfNN), 1015 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN), 1016 1017 /* Alternative endian target. */ 1018 #ifdef TARGET_BIG_SYM 1019 & TARGET_BIG_SYM, 1020 #else 1021 NULL, 1022 #endif 1023 1024 /* backend_data: */ 1025 &elfNN_bed 1026 }; 1027 #endif 1028