1 /* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically 2 generated from "libcoff-in.h" and "coffcode.h". 3 Run "make headers" in your build bfd/ to regenerate. */ 4 5 /* BFD COFF object file private structure. 6 Copyright 1990-2013 Free Software Foundation, Inc. 7 Written by Cygnus Support. 8 9 This file is part of BFD, the Binary File Descriptor library. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 3 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 24 MA 02110-1301, USA. */ 25 26 #include "bfdlink.h" 27 28 /* Object file tdata; access macros. */ 29 30 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 31 #define obj_pe(bfd) (coff_data (bfd)->pe) 32 #define obj_symbols(bfd) (coff_data (bfd)->symbols) 33 #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) 34 #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) 35 #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) 36 #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) 37 #define obj_convert(bfd) (coff_data (bfd)->conversion_table) 38 #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) 39 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 40 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 41 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 42 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 43 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 44 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 45 #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) 46 47 /* `Tdata' information kept for COFF files. */ 48 49 typedef struct coff_tdata 50 { 51 struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ 52 unsigned int *conversion_table; 53 int conv_table_size; 54 file_ptr sym_filepos; 55 56 struct coff_ptr_struct *raw_syments; 57 unsigned long raw_syment_count; 58 59 /* These are only valid once writing has begun. */ 60 long int relocbase; 61 62 /* These members communicate important constants about the symbol table 63 to GDB's symbol-reading code. These `constants' unfortunately vary 64 from coff implementation to implementation... */ 65 unsigned local_n_btmask; 66 unsigned local_n_btshft; 67 unsigned local_n_tmask; 68 unsigned local_n_tshift; 69 unsigned local_symesz; 70 unsigned local_auxesz; 71 unsigned local_linesz; 72 73 /* The unswapped external symbols. May be NULL. Read by 74 _bfd_coff_get_external_symbols. */ 75 void * external_syms; 76 /* If this is TRUE, the external_syms may not be freed. */ 77 bfd_boolean keep_syms; 78 79 /* The string table. May be NULL. Read by 80 _bfd_coff_read_string_table. */ 81 char *strings; 82 /* If this is TRUE, the strings may not be freed. */ 83 bfd_boolean keep_strings; 84 /* If this is TRUE, the strings have been written out already. */ 85 bfd_boolean strings_written; 86 87 /* Is this a PE format coff file? */ 88 int pe; 89 /* Used by the COFF backend linker. */ 90 struct coff_link_hash_entry **sym_hashes; 91 92 /* Used by the pe linker for PowerPC. */ 93 int *local_toc_sym_map; 94 95 struct bfd_link_info *link_info; 96 97 /* Used by coff_find_nearest_line. */ 98 void * line_info; 99 100 /* A place to stash dwarf2 info for this bfd. */ 101 void * dwarf2_find_line_info; 102 103 /* The timestamp from the COFF file header. */ 104 long timestamp; 105 106 /* Copy of some of the f_flags bits in the COFF filehdr structure, 107 used by ARM code. */ 108 flagword flags; 109 110 /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data 111 is kept in internal_filehdr.go32stub beforehand. */ 112 char *go32stub; 113 } coff_data_type; 114 115 /* Tdata for pe image files. */ 116 typedef struct pe_tdata 117 { 118 coff_data_type coff; 119 struct internal_extra_pe_aouthdr pe_opthdr; 120 int dll; 121 int has_reloc_section; 122 int dont_strip_reloc; 123 bfd_boolean insert_timestamp; 124 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); 125 flagword real_flags; 126 } pe_data_type; 127 128 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 129 130 /* Tdata for XCOFF files. */ 131 132 struct xcoff_tdata 133 { 134 /* Basic COFF information. */ 135 coff_data_type coff; 136 137 /* TRUE if this is an XCOFF64 file. */ 138 bfd_boolean xcoff64; 139 140 /* TRUE if a large a.out header should be generated. */ 141 bfd_boolean full_aouthdr; 142 143 /* TOC value. */ 144 bfd_vma toc; 145 146 /* Index of section holding TOC. */ 147 int sntoc; 148 149 /* Index of section holding entry point. */ 150 int snentry; 151 152 /* .text alignment from optional header. */ 153 int text_align_power; 154 155 /* .data alignment from optional header. */ 156 int data_align_power; 157 158 /* modtype from optional header. */ 159 short modtype; 160 161 /* cputype from optional header. */ 162 short cputype; 163 164 /* maxdata from optional header. */ 165 bfd_vma maxdata; 166 167 /* maxstack from optional header. */ 168 bfd_vma maxstack; 169 170 /* Used by the XCOFF backend linker. */ 171 asection **csects; 172 long *debug_indices; 173 unsigned int *lineno_counts; 174 unsigned int import_file_id; 175 }; 176 177 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 178 179 /* We take the address of the first element of an asymbol to ensure that the 180 macro is only ever applied to an asymbol. */ 181 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 182 183 /* The used_by_bfd field of a section may be set to a pointer to this 184 structure. */ 185 186 struct coff_section_tdata 187 { 188 /* The relocs, swapped into COFF internal form. This may be NULL. */ 189 struct internal_reloc *relocs; 190 /* If this is TRUE, the relocs entry may not be freed. */ 191 bfd_boolean keep_relocs; 192 /* The section contents. This may be NULL. */ 193 bfd_byte *contents; 194 /* If this is TRUE, the contents entry may not be freed. */ 195 bfd_boolean keep_contents; 196 /* Information cached by coff_find_nearest_line. */ 197 bfd_vma offset; 198 unsigned int i; 199 const char *function; 200 /* Optional information about a COMDAT entry; NULL if not COMDAT. */ 201 struct coff_comdat_info *comdat; 202 int line_base; 203 /* A pointer used for .stab linking optimizations. */ 204 void * stab_info; 205 /* Available for individual backends. */ 206 void * tdata; 207 }; 208 209 /* An accessor macro for the coff_section_tdata structure. */ 210 #define coff_section_data(abfd, sec) \ 211 ((struct coff_section_tdata *) (sec)->used_by_bfd) 212 213 /* Tdata for sections in XCOFF files. This is used by the linker. */ 214 215 struct xcoff_section_tdata 216 { 217 /* Used for XCOFF csects created by the linker; points to the real 218 XCOFF section which contains this csect. */ 219 asection *enclosing; 220 /* The lineno_count field for the enclosing section, because we are 221 going to clobber it there. */ 222 unsigned int lineno_count; 223 /* The first and last symbol indices for symbols used by this csect. */ 224 unsigned long first_symndx; 225 unsigned long last_symndx; 226 }; 227 228 /* An accessor macro the xcoff_section_tdata structure. */ 229 #define xcoff_section_data(abfd, sec) \ 230 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 231 232 /* Tdata for sections in PE files. */ 233 234 struct pei_section_tdata 235 { 236 /* The virtual size of the section. */ 237 bfd_size_type virt_size; 238 /* The PE section flags. */ 239 long pe_flags; 240 }; 241 242 /* An accessor macro for the pei_section_tdata structure. */ 243 #define pei_section_data(abfd, sec) \ 244 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 245 246 /* COFF linker hash table entries. */ 247 248 struct coff_link_hash_entry 249 { 250 struct bfd_link_hash_entry root; 251 252 /* Symbol index in output file. Set to -1 initially. Set to -2 if 253 there is a reloc against this symbol. */ 254 long indx; 255 256 /* Symbol type. */ 257 unsigned short type; 258 259 /* Symbol class. */ 260 unsigned char symbol_class; 261 262 /* Number of auxiliary entries. */ 263 char numaux; 264 265 /* BFD to take auxiliary entries from. */ 266 bfd *auxbfd; 267 268 /* Pointer to array of auxiliary entries, if any. */ 269 union internal_auxent *aux; 270 271 /* Flag word; legal values follow. */ 272 unsigned short coff_link_hash_flags; 273 /* Symbol is a PE section symbol. */ 274 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 275 }; 276 277 /* COFF linker hash table. */ 278 279 struct coff_link_hash_table 280 { 281 struct bfd_link_hash_table root; 282 /* A pointer to information used to link stabs in sections. */ 283 struct stab_info stab_info; 284 }; 285 286 /* Look up an entry in a COFF linker hash table. */ 287 288 #define coff_link_hash_lookup(table, string, create, copy, follow) \ 289 ((struct coff_link_hash_entry *) \ 290 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 291 (copy), (follow))) 292 293 /* Traverse a COFF linker hash table. */ 294 295 #define coff_link_hash_traverse(table, func, info) \ 296 (bfd_link_hash_traverse \ 297 (&(table)->root, \ 298 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ 299 (info))) 300 301 /* Get the COFF linker hash table from a link_info structure. */ 302 303 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 304 305 /* Functions in coffgen.c. */ 306 extern const bfd_target *coff_object_p 307 (bfd *); 308 extern struct bfd_section *coff_section_from_bfd_index 309 (bfd *, int); 310 extern long coff_get_symtab_upper_bound 311 (bfd *); 312 extern long coff_canonicalize_symtab 313 (bfd *, asymbol **); 314 extern int coff_count_linenumbers 315 (bfd *); 316 extern struct coff_symbol_struct *coff_symbol_from 317 (bfd *, asymbol *); 318 extern bfd_boolean coff_renumber_symbols 319 (bfd *, int *); 320 extern void coff_mangle_symbols 321 (bfd *); 322 extern bfd_boolean coff_write_symbols 323 (bfd *); 324 extern bfd_boolean coff_write_alien_symbol 325 (bfd *, asymbol *, struct internal_syment *, bfd_vma *, 326 bfd_size_type *, asection **, bfd_size_type *); 327 extern bfd_boolean coff_write_linenumbers 328 (bfd *); 329 extern alent *coff_get_lineno 330 (bfd *, asymbol *); 331 extern asymbol *coff_section_symbol 332 (bfd *, char *); 333 extern bfd_boolean _bfd_coff_get_external_symbols 334 (bfd *); 335 extern const char *_bfd_coff_read_string_table 336 (bfd *); 337 extern bfd_boolean _bfd_coff_free_symbols 338 (bfd *); 339 extern struct coff_ptr_struct *coff_get_normalized_symtab 340 (bfd *); 341 extern long coff_get_reloc_upper_bound 342 (bfd *, sec_ptr); 343 extern asymbol *coff_make_empty_symbol 344 (bfd *); 345 extern void coff_print_symbol 346 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 347 extern void coff_get_symbol_info 348 (bfd *, asymbol *, symbol_info *ret); 349 extern bfd_boolean _bfd_coff_is_local_label_name 350 (bfd *, const char *); 351 extern asymbol *coff_bfd_make_debug_symbol 352 (bfd *, void *, unsigned long); 353 extern bfd_boolean coff_find_nearest_line 354 (bfd *, asection *, asymbol **, bfd_vma, const char **, 355 const char **, unsigned int *); 356 extern bfd_boolean coff_find_nearest_line_discriminator 357 (bfd *, asection *, asymbol **, bfd_vma, const char **, 358 const char **, unsigned int *, unsigned int *); 359 struct dwarf_debug_section; 360 extern bfd_boolean coff_find_nearest_line_with_names 361 (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, 362 bfd_vma, const char **, const char **, unsigned int *); 363 extern bfd_boolean coff_find_inliner_info 364 (bfd *, const char **, const char **, unsigned int *); 365 extern int coff_sizeof_headers 366 (bfd *, struct bfd_link_info *); 367 extern bfd_boolean bfd_coff_reloc16_relax_section 368 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 369 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 370 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 371 bfd_byte *, bfd_boolean, asymbol **); 372 extern bfd_vma bfd_coff_reloc16_get_value 373 (arelent *, struct bfd_link_info *, asection *); 374 extern void bfd_perform_slip 375 (bfd *, unsigned int, asection *, bfd_vma); 376 377 /* Functions and types in cofflink.c. */ 378 379 #define STRING_SIZE_SIZE 4 380 381 /* We use a hash table to merge identical enum, struct, and union 382 definitions in the linker. */ 383 384 /* Information we keep for a single element (an enum value, a 385 structure or union field) in the debug merge hash table. */ 386 387 struct coff_debug_merge_element 388 { 389 /* Next element. */ 390 struct coff_debug_merge_element *next; 391 392 /* Name. */ 393 const char *name; 394 395 /* Type. */ 396 unsigned int type; 397 398 /* Symbol index for complex type. */ 399 long tagndx; 400 }; 401 402 /* A linked list of debug merge entries for a given name. */ 403 404 struct coff_debug_merge_type 405 { 406 /* Next type with the same name. */ 407 struct coff_debug_merge_type *next; 408 409 /* Class of type. */ 410 int type_class; 411 412 /* Symbol index where this type is defined. */ 413 long indx; 414 415 /* List of elements. */ 416 struct coff_debug_merge_element *elements; 417 }; 418 419 /* Information we store in the debug merge hash table. */ 420 421 struct coff_debug_merge_hash_entry 422 { 423 struct bfd_hash_entry root; 424 425 /* A list of types with this name. */ 426 struct coff_debug_merge_type *types; 427 }; 428 429 /* The debug merge hash table. */ 430 431 struct coff_debug_merge_hash_table 432 { 433 struct bfd_hash_table root; 434 }; 435 436 /* Initialize a COFF debug merge hash table. */ 437 438 #define coff_debug_merge_hash_table_init(table) \ 439 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 440 sizeof (struct coff_debug_merge_hash_entry))) 441 442 /* Free a COFF debug merge hash table. */ 443 444 #define coff_debug_merge_hash_table_free(table) \ 445 (bfd_hash_table_free (&(table)->root)) 446 447 /* Look up an entry in a COFF debug merge hash table. */ 448 449 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 450 ((struct coff_debug_merge_hash_entry *) \ 451 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 452 453 /* Information we keep for each section in the output file when doing 454 a relocatable link. */ 455 456 struct coff_link_section_info 457 { 458 /* The relocs to be output. */ 459 struct internal_reloc *relocs; 460 /* For each reloc against a global symbol whose index was not known 461 when the reloc was handled, the global hash table entry. */ 462 struct coff_link_hash_entry **rel_hashes; 463 }; 464 465 /* Information that we pass around while doing the final link step. */ 466 467 struct coff_final_link_info 468 { 469 /* General link information. */ 470 struct bfd_link_info *info; 471 /* Output BFD. */ 472 bfd *output_bfd; 473 /* Used to indicate failure in traversal routine. */ 474 bfd_boolean failed; 475 /* If doing "task linking" set only during the time when we want the 476 global symbol writer to convert the storage class of defined global 477 symbols from global to static. */ 478 bfd_boolean global_to_static; 479 /* Hash table for long symbol names. */ 480 struct bfd_strtab_hash *strtab; 481 /* When doing a relocatable link, an array of information kept for 482 each output section, indexed by the target_index field. */ 483 struct coff_link_section_info *section_info; 484 /* Symbol index of last C_FILE symbol (-1 if none). */ 485 long last_file_index; 486 /* Contents of last C_FILE symbol. */ 487 struct internal_syment last_file; 488 /* Symbol index of first aux entry of last .bf symbol with an empty 489 endndx field (-1 if none). */ 490 long last_bf_index; 491 /* Contents of last_bf_index aux entry. */ 492 union internal_auxent last_bf; 493 /* Hash table used to merge debug information. */ 494 struct coff_debug_merge_hash_table debug_merge; 495 /* Buffer large enough to hold swapped symbols of any input file. */ 496 struct internal_syment *internal_syms; 497 /* Buffer large enough to hold sections of symbols of any input file. */ 498 asection **sec_ptrs; 499 /* Buffer large enough to hold output indices of symbols of any 500 input file. */ 501 long *sym_indices; 502 /* Buffer large enough to hold output symbols for any input file. */ 503 bfd_byte *outsyms; 504 /* Buffer large enough to hold external line numbers for any input 505 section. */ 506 bfd_byte *linenos; 507 /* Buffer large enough to hold any input section. */ 508 bfd_byte *contents; 509 /* Buffer large enough to hold external relocs of any input section. */ 510 bfd_byte *external_relocs; 511 /* Buffer large enough to hold swapped relocs of any input section. */ 512 struct internal_reloc *internal_relocs; 513 }; 514 515 /* Most COFF variants have no way to record the alignment of a 516 section. This struct is used to set a specific alignment based on 517 the name of the section. */ 518 519 struct coff_section_alignment_entry 520 { 521 /* The section name. */ 522 const char *name; 523 524 /* This is either (unsigned int) -1, indicating that the section 525 name must match exactly, or it is the number of letters which 526 must match at the start of the name. */ 527 unsigned int comparison_length; 528 529 /* These macros may be used to fill in the first two fields in a 530 structure initialization. */ 531 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 532 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 533 534 /* Only use this entry if the default section alignment for this 535 target is at least that much (as a power of two). If this field 536 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 537 unsigned int default_alignment_min; 538 539 /* Only use this entry if the default section alignment for this 540 target is no greater than this (as a power of two). If this 541 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 542 unsigned int default_alignment_max; 543 544 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 545 546 /* The desired alignment for this section (as a power of two). */ 547 unsigned int alignment_power; 548 }; 549 550 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 551 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 552 extern bfd_boolean _bfd_coff_link_hash_table_init 553 (struct coff_link_hash_table *, bfd *, 554 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 555 struct bfd_hash_table *, 556 const char *), 557 unsigned int); 558 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 559 (bfd *); 560 extern const char *_bfd_coff_internal_syment_name 561 (bfd *, const struct internal_syment *, char *); 562 extern bfd_boolean _bfd_coff_section_already_linked 563 (bfd *, asection *, struct bfd_link_info *); 564 extern bfd_boolean _bfd_coff_link_add_symbols 565 (bfd *, struct bfd_link_info *); 566 extern bfd_boolean _bfd_coff_final_link 567 (bfd *, struct bfd_link_info *); 568 extern struct internal_reloc *_bfd_coff_read_internal_relocs 569 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 570 struct internal_reloc *); 571 extern bfd_boolean _bfd_coff_generic_relocate_section 572 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 573 struct internal_reloc *, struct internal_syment *, asection **); 574 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 575 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 576 extern bfd_boolean _bfd_coff_write_global_sym 577 (struct bfd_hash_entry *, void *); 578 extern bfd_boolean _bfd_coff_write_task_globals 579 (struct coff_link_hash_entry *, void *); 580 extern bfd_boolean _bfd_coff_link_input_bfd 581 (struct coff_final_link_info *, bfd *); 582 extern bfd_boolean _bfd_coff_reloc_link_order 583 (bfd *, struct coff_final_link_info *, asection *, 584 struct bfd_link_order *); 585 586 587 #define coff_get_section_contents_in_window \ 588 _bfd_generic_get_section_contents_in_window 589 590 /* Functions in xcofflink.c. */ 591 592 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 593 (bfd *); 594 extern long _bfd_xcoff_canonicalize_dynamic_symtab 595 (bfd *, asymbol **); 596 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 597 (bfd *); 598 extern long _bfd_xcoff_canonicalize_dynamic_reloc 599 (bfd *, arelent **, asymbol **); 600 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 601 (bfd *); 602 extern void _bfd_xcoff_bfd_link_hash_table_free 603 (struct bfd_link_hash_table *); 604 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 605 (bfd *, struct bfd_link_info *); 606 extern bfd_boolean _bfd_xcoff_bfd_final_link 607 (bfd *, struct bfd_link_info *); 608 extern bfd_boolean _bfd_xcoff_define_common_symbol 609 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 610 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 611 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 612 struct internal_reloc *, struct internal_syment *, asection **); 613 614 /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the 615 linker, and so should start with bfd and be declared in bfd.h. */ 616 617 extern bfd_boolean ppc_allocate_toc_section 618 (struct bfd_link_info *); 619 extern bfd_boolean ppc_process_before_allocation 620 (bfd *, struct bfd_link_info *); 621 /* Extracted from coffcode.h. */ 622 typedef struct coff_ptr_struct 623 { 624 /* Remembers the offset from the first symbol in the file for 625 this symbol. Generated by coff_renumber_symbols. */ 626 unsigned int offset; 627 628 /* Should the value of this symbol be renumbered. Used for 629 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 630 unsigned int fix_value : 1; 631 632 /* Should the tag field of this symbol be renumbered. 633 Created by coff_pointerize_aux. */ 634 unsigned int fix_tag : 1; 635 636 /* Should the endidx field of this symbol be renumbered. 637 Created by coff_pointerize_aux. */ 638 unsigned int fix_end : 1; 639 640 /* Should the x_csect.x_scnlen field be renumbered. 641 Created by coff_pointerize_aux. */ 642 unsigned int fix_scnlen : 1; 643 644 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 645 index into the line number entries. Set by coff_slurp_symbol_table. */ 646 unsigned int fix_line : 1; 647 648 /* The container for the symbol structure as read and translated 649 from the file. */ 650 union 651 { 652 union internal_auxent auxent; 653 struct internal_syment syment; 654 } u; 655 } combined_entry_type; 656 657 658 /* Each canonical asymbol really looks like this: */ 659 660 typedef struct coff_symbol_struct 661 { 662 /* The actual symbol which the rest of BFD works with */ 663 asymbol symbol; 664 665 /* A pointer to the hidden information for this symbol */ 666 combined_entry_type *native; 667 668 /* A pointer to the linenumber information for this symbol */ 669 struct lineno_cache_entry *lineno; 670 671 /* Have the line numbers been relocated yet ? */ 672 bfd_boolean done_lineno; 673 } coff_symbol_type; 674 /* COFF symbol classifications. */ 675 676 enum coff_symbol_classification 677 { 678 /* Global symbol. */ 679 COFF_SYMBOL_GLOBAL, 680 /* Common symbol. */ 681 COFF_SYMBOL_COMMON, 682 /* Undefined symbol. */ 683 COFF_SYMBOL_UNDEFINED, 684 /* Local symbol. */ 685 COFF_SYMBOL_LOCAL, 686 /* PE section symbol. */ 687 COFF_SYMBOL_PE_SECTION 688 }; 689 690 typedef struct 691 { 692 void (*_bfd_coff_swap_aux_in) 693 (bfd *, void *, int, int, int, int, void *); 694 695 void (*_bfd_coff_swap_sym_in) 696 (bfd *, void *, void *); 697 698 void (*_bfd_coff_swap_lineno_in) 699 (bfd *, void *, void *); 700 701 unsigned int (*_bfd_coff_swap_aux_out) 702 (bfd *, void *, int, int, int, int, void *); 703 704 unsigned int (*_bfd_coff_swap_sym_out) 705 (bfd *, void *, void *); 706 707 unsigned int (*_bfd_coff_swap_lineno_out) 708 (bfd *, void *, void *); 709 710 unsigned int (*_bfd_coff_swap_reloc_out) 711 (bfd *, void *, void *); 712 713 unsigned int (*_bfd_coff_swap_filehdr_out) 714 (bfd *, void *, void *); 715 716 unsigned int (*_bfd_coff_swap_aouthdr_out) 717 (bfd *, void *, void *); 718 719 unsigned int (*_bfd_coff_swap_scnhdr_out) 720 (bfd *, void *, void *); 721 722 unsigned int _bfd_filhsz; 723 unsigned int _bfd_aoutsz; 724 unsigned int _bfd_scnhsz; 725 unsigned int _bfd_symesz; 726 unsigned int _bfd_auxesz; 727 unsigned int _bfd_relsz; 728 unsigned int _bfd_linesz; 729 unsigned int _bfd_filnmlen; 730 bfd_boolean _bfd_coff_long_filenames; 731 732 bfd_boolean _bfd_coff_long_section_names; 733 bfd_boolean (*_bfd_coff_set_long_section_names) 734 (bfd *, int); 735 736 unsigned int _bfd_coff_default_section_alignment_power; 737 bfd_boolean _bfd_coff_force_symnames_in_strings; 738 unsigned int _bfd_coff_debug_string_prefix_length; 739 740 void (*_bfd_coff_swap_filehdr_in) 741 (bfd *, void *, void *); 742 743 void (*_bfd_coff_swap_aouthdr_in) 744 (bfd *, void *, void *); 745 746 void (*_bfd_coff_swap_scnhdr_in) 747 (bfd *, void *, void *); 748 749 void (*_bfd_coff_swap_reloc_in) 750 (bfd *abfd, void *, void *); 751 752 bfd_boolean (*_bfd_coff_bad_format_hook) 753 (bfd *, void *); 754 755 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 756 (bfd *, void *); 757 758 void * (*_bfd_coff_mkobject_hook) 759 (bfd *, void *, void *); 760 761 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 762 (bfd *, void *, const char *, asection *, flagword *); 763 764 void (*_bfd_set_alignment_hook) 765 (bfd *, asection *, void *); 766 767 bfd_boolean (*_bfd_coff_slurp_symbol_table) 768 (bfd *); 769 770 bfd_boolean (*_bfd_coff_symname_in_debug) 771 (bfd *, struct internal_syment *); 772 773 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 774 (bfd *, combined_entry_type *, combined_entry_type *, 775 unsigned int, combined_entry_type *); 776 777 bfd_boolean (*_bfd_coff_print_aux) 778 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 779 combined_entry_type *, unsigned int); 780 781 void (*_bfd_coff_reloc16_extra_cases) 782 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 783 bfd_byte *, unsigned int *, unsigned int *); 784 785 int (*_bfd_coff_reloc16_estimate) 786 (bfd *, asection *, arelent *, unsigned int, 787 struct bfd_link_info *); 788 789 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 790 (bfd *, struct internal_syment *); 791 792 bfd_boolean (*_bfd_coff_compute_section_file_positions) 793 (bfd *); 794 795 bfd_boolean (*_bfd_coff_start_final_link) 796 (bfd *, struct bfd_link_info *); 797 798 bfd_boolean (*_bfd_coff_relocate_section) 799 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 800 struct internal_reloc *, struct internal_syment *, asection **); 801 802 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 803 (bfd *, asection *, struct internal_reloc *, 804 struct coff_link_hash_entry *, struct internal_syment *, 805 bfd_vma *); 806 807 bfd_boolean (*_bfd_coff_adjust_symndx) 808 (bfd *, struct bfd_link_info *, bfd *, asection *, 809 struct internal_reloc *, bfd_boolean *); 810 811 bfd_boolean (*_bfd_coff_link_add_one_symbol) 812 (struct bfd_link_info *, bfd *, const char *, flagword, 813 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 814 struct bfd_link_hash_entry **); 815 816 bfd_boolean (*_bfd_coff_link_output_has_begun) 817 (bfd *, struct coff_final_link_info *); 818 819 bfd_boolean (*_bfd_coff_final_link_postscript) 820 (bfd *, struct coff_final_link_info *); 821 822 bfd_boolean (*_bfd_coff_print_pdata) 823 (bfd *, void *); 824 825 } bfd_coff_backend_data; 826 827 #define coff_backend_info(abfd) \ 828 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 829 830 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 831 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 832 833 #define bfd_coff_swap_sym_in(a,e,i) \ 834 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 835 836 #define bfd_coff_swap_lineno_in(a,e,i) \ 837 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 838 839 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 840 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 841 842 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 843 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 844 845 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 846 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 847 848 #define bfd_coff_swap_sym_out(abfd, i,o) \ 849 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 850 851 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 852 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 853 854 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 855 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 856 857 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 858 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 859 860 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 861 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 862 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 863 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 864 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 865 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 866 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 867 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 868 #define bfd_coff_long_filenames(abfd) \ 869 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 870 #define bfd_coff_long_section_names(abfd) \ 871 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 872 #define bfd_coff_set_long_section_names(abfd, enable) \ 873 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 874 #define bfd_coff_default_section_alignment_power(abfd) \ 875 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 876 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 877 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 878 879 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 880 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 881 882 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 883 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 884 885 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 886 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 887 888 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 889 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 890 891 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 892 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 893 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 894 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 895 (abfd, filehdr, aouthdr)) 896 897 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 898 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 899 (abfd, scnhdr, name, section, flags_ptr)) 900 901 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 902 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 903 904 #define bfd_coff_slurp_symbol_table(abfd)\ 905 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 906 907 #define bfd_coff_symname_in_debug(abfd, sym)\ 908 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 909 910 #define bfd_coff_force_symnames_in_strings(abfd)\ 911 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 912 913 #define bfd_coff_debug_string_prefix_length(abfd)\ 914 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 915 916 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 917 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 918 (abfd, file, base, symbol, aux, indaux)) 919 920 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 921 reloc, data, src_ptr, dst_ptr)\ 922 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 923 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 924 925 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 926 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 927 (abfd, section, reloc, shrink, link_info)) 928 929 #define bfd_coff_classify_symbol(abfd, sym)\ 930 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 931 (abfd, sym)) 932 933 #define bfd_coff_compute_section_file_positions(abfd)\ 934 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 935 (abfd)) 936 937 #define bfd_coff_start_final_link(obfd, info)\ 938 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 939 (obfd, info)) 940 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 941 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 942 (obfd, info, ibfd, o, con, rel, isyms, secs)) 943 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 944 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 945 (abfd, sec, rel, h, sym, addendp)) 946 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 947 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 948 (obfd, info, ibfd, sec, rel, adjustedp)) 949 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 950 value, string, cp, coll, hashp)\ 951 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 952 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 953 954 #define bfd_coff_link_output_has_begun(a,p) \ 955 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 956 #define bfd_coff_final_link_postscript(a,p) \ 957 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 958 959 #define bfd_coff_have_print_pdata(a) \ 960 (coff_backend_info (a)->_bfd_coff_print_pdata) 961 #define bfd_coff_print_pdata(a,p) \ 962 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 963 964 /* Macro: Returns true if the bfd is a PE executable as opposed to a 965 PE object file. */ 966 #define bfd_pei_p(abfd) \ 967 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 968