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 (C) 1990-2022 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#ifndef _LIBCOFF_H 27#define _LIBCOFF_H 1 28 29#include "bfdlink.h" 30#include "coff-bfd.h" 31 32#ifdef __cplusplus 33extern "C" { 34#endif 35 36/* Object file tdata; access macros. */ 37 38#define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 39#define obj_pe(bfd) (coff_data (bfd)->pe) 40#define obj_go32(bfd) (coff_data (bfd)->go32) 41#define obj_symbols(bfd) (coff_data (bfd)->symbols) 42#define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) 43#define obj_relocbase(bfd) (coff_data (bfd)->relocbase) 44#define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) 45#define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) 46#define obj_convert(bfd) (coff_data (bfd)->conversion_table) 47#define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) 48#define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 49#define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 50#define obj_coff_strings(bfd) (coff_data (bfd)->strings) 51#define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) 52#define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 53#define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 54#define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 55#define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) 56 57/* `Tdata' information kept for COFF files. */ 58 59typedef struct coff_tdata 60{ 61 struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ 62 unsigned int *conversion_table; 63 int conv_table_size; 64 file_ptr sym_filepos; 65 66 struct coff_ptr_struct *raw_syments; 67 unsigned long raw_syment_count; 68 69 /* These are only valid once writing has begun. */ 70 unsigned long int relocbase; 71 72 /* These members communicate important constants about the symbol table 73 to GDB's symbol-reading code. These `constants' unfortunately vary 74 from coff implementation to implementation... */ 75 unsigned local_n_btmask; 76 unsigned local_n_btshft; 77 unsigned local_n_tmask; 78 unsigned local_n_tshift; 79 unsigned local_symesz; 80 unsigned local_auxesz; 81 unsigned local_linesz; 82 83 /* The unswapped external symbols. May be NULL. Read by 84 _bfd_coff_get_external_symbols. */ 85 void * external_syms; 86 /* If this is TRUE, the external_syms may not be freed. */ 87 bool keep_syms; 88 89 /* The string table. May be NULL. Read by 90 _bfd_coff_read_string_table. */ 91 char *strings; 92 /* The length of the strings table. For error checking. */ 93 bfd_size_type strings_len; 94 /* If this is TRUE, the strings may not be freed. */ 95 bool keep_strings; 96 /* If this is TRUE, the strings have been written out already. */ 97 bool strings_written; 98 99 /* Is this a PE format coff file? */ 100 int pe; 101 /* Used by the COFF backend linker. */ 102 struct coff_link_hash_entry **sym_hashes; 103 104 /* Used by the pe linker for PowerPC. */ 105 int *local_toc_sym_map; 106 107 struct bfd_link_info *link_info; 108 109 /* Used by coff_find_nearest_line. */ 110 void * line_info; 111 112 /* A place to stash dwarf2 info for this bfd. */ 113 void * dwarf2_find_line_info; 114 115 /* The timestamp from the COFF file header. */ 116 long timestamp; 117 118 /* Copy of some of the f_flags bits in the COFF filehdr structure, 119 used by ARM code. */ 120 flagword flags; 121 122 /* Is this a GO32 coff file? */ 123 bool go32; 124 125 /* A stub (extra data prepended before the COFF image) and its size. 126 Used by coff-go32-exe, it contains executable data that loads the 127 COFF object into memory. */ 128 char * stub; 129 bfd_size_type stub_size; 130} coff_data_type; 131 132/* Tdata for pe image files. */ 133typedef struct pe_tdata 134{ 135 coff_data_type coff; 136 struct internal_extra_pe_aouthdr pe_opthdr; 137 int dll; 138 int has_reloc_section; 139 int dont_strip_reloc; 140 int dos_message[16]; 141 /* The timestamp to insert into the output file. 142 If the timestamp is -1 then the current time is used. */ 143 int timestamp; 144 bool (*in_reloc_p) (bfd *, reloc_howto_type *); 145 flagword real_flags; 146 147 /* Build-id info. */ 148 struct 149 { 150 bool (*after_write_object_contents) (bfd *); 151 const char *style; 152 asection *sec; 153 } build_id; 154} pe_data_type; 155 156#define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 157 158/* Tdata for XCOFF files. */ 159 160struct xcoff_tdata 161{ 162 /* Basic COFF information. */ 163 coff_data_type coff; 164 165 /* TRUE if this is an XCOFF64 file. */ 166 bool xcoff64; 167 168 /* TRUE if a large a.out header should be generated. */ 169 bool full_aouthdr; 170 171 /* TOC value. */ 172 bfd_vma toc; 173 174 /* Index of section holding TOC. */ 175 int sntoc; 176 177 /* Index of section holding entry point. */ 178 int snentry; 179 180 /* .text alignment from optional header. */ 181 int text_align_power; 182 183 /* .data alignment from optional header. */ 184 int data_align_power; 185 186 /* modtype from optional header. */ 187 short modtype; 188 189 /* cputype from optional header. */ 190 short cputype; 191 192 /* maxdata from optional header. */ 193 bfd_vma maxdata; 194 195 /* maxstack from optional header. */ 196 bfd_vma maxstack; 197 198 /* Used by the XCOFF backend linker. */ 199 asection **csects; 200 long *debug_indices; 201 unsigned int *lineno_counts; 202 unsigned int import_file_id; 203}; 204 205#define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 206 207/* We take the address of the first element of an asymbol to ensure that the 208 macro is only ever applied to an asymbol. */ 209#define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 210 211/* Tdata for sections in XCOFF files. This is used by the linker. */ 212 213struct xcoff_section_tdata 214{ 215 /* Used for XCOFF csects created by the linker; points to the real 216 XCOFF section which contains this csect. */ 217 asection *enclosing; 218 /* The lineno_count field for the enclosing section, because we are 219 going to clobber it there. */ 220 unsigned int lineno_count; 221 /* The first and last symbol indices for symbols used by this csect. */ 222 unsigned long first_symndx; 223 unsigned long last_symndx; 224}; 225 226/* An accessor macro the xcoff_section_tdata structure. */ 227#define xcoff_section_data(abfd, sec) \ 228 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 229 230/* Tdata for sections in PE files. */ 231 232struct pei_section_tdata 233{ 234 /* The virtual size of the section. */ 235 bfd_size_type virt_size; 236 /* The PE section flags. */ 237 long pe_flags; 238}; 239 240/* An accessor macro for the pei_section_tdata structure. */ 241#define pei_section_data(abfd, sec) \ 242 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 243 244/* COFF linker hash table entries. */ 245 246struct coff_link_hash_entry 247{ 248 struct bfd_link_hash_entry root; 249 250 /* Symbol index in output file. This is initialized to -1. It is 251 set to -2 if the symbol is used by a reloc. It is set to -3 if 252 this symbol is defined in a discarded section. */ 253 long indx; 254 255 /* Symbol type. */ 256 unsigned short type; 257 258 /* Symbol class. */ 259 unsigned char symbol_class; 260 261 /* Number of auxiliary entries. */ 262 char numaux; 263 264 /* BFD to take auxiliary entries from. */ 265 bfd *auxbfd; 266 267 /* Pointer to array of auxiliary entries, if any. */ 268 union internal_auxent *aux; 269 270 /* Flag word; legal values follow. */ 271 unsigned short coff_link_hash_flags; 272 /* Symbol is a PE section symbol. */ 273#define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 274}; 275 276/* COFF linker hash table. */ 277 278struct coff_link_hash_table 279{ 280 struct bfd_link_hash_table root; 281 /* A pointer to information used to link stabs in sections. */ 282 struct stab_info stab_info; 283}; 284 285struct coff_reloc_cookie 286{ 287 struct internal_reloc * rels; 288 struct internal_reloc * rel; 289 struct internal_reloc * relend; 290 struct coff_symbol_struct * symbols; /* Symtab for input bfd. */ 291 bfd * abfd; 292 struct coff_link_hash_entry ** sym_hashes; 293}; 294 295/* Look up an entry in a COFF linker hash table. */ 296 297#define coff_link_hash_lookup(table, string, create, copy, follow) \ 298 ((struct coff_link_hash_entry *) \ 299 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 300 (copy), (follow))) 301 302/* Traverse a COFF linker hash table. */ 303 304#define coff_link_hash_traverse(table, func, info) \ 305 (bfd_link_hash_traverse \ 306 (&(table)->root, \ 307 (bool (*) (struct bfd_link_hash_entry *, void *)) (func), \ 308 (info))) 309 310/* Get the COFF linker hash table from a link_info structure. */ 311 312#define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 313 314/* Functions in coffgen.c. */ 315extern bfd_cleanup coff_object_p 316 (bfd *); 317extern struct bfd_section *coff_section_from_bfd_index 318 (bfd *, int); 319extern long coff_get_symtab_upper_bound 320 (bfd *); 321extern long coff_canonicalize_symtab 322 (bfd *, asymbol **); 323extern int coff_count_linenumbers 324 (bfd *); 325extern bool coff_renumber_symbols 326 (bfd *, int *); 327extern void coff_mangle_symbols 328 (bfd *); 329extern bool coff_write_symbols 330 (bfd *); 331extern bool coff_write_alien_symbol 332 (bfd *, asymbol *, struct internal_syment *, bfd_vma *, 333 struct bfd_strtab_hash *, bool, asection **, bfd_size_type *); 334extern bool coff_write_linenumbers 335 (bfd *); 336extern alent *coff_get_lineno 337 (bfd *, asymbol *); 338extern asymbol *coff_section_symbol 339 (bfd *, char *); 340extern bool _bfd_coff_get_external_symbols 341 (bfd *); 342extern const char *_bfd_coff_read_string_table 343 (bfd *); 344extern bool _bfd_coff_free_symbols 345 (bfd *); 346extern struct coff_ptr_struct *coff_get_normalized_symtab 347 (bfd *); 348extern long coff_get_reloc_upper_bound 349 (bfd *, sec_ptr); 350extern asymbol *coff_make_empty_symbol 351 (bfd *); 352extern void coff_print_symbol 353 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 354extern void coff_get_symbol_info 355 (bfd *, asymbol *, symbol_info *ret); 356#define coff_get_symbol_version_string \ 357 _bfd_nosymbols_get_symbol_version_string 358extern bool _bfd_coff_is_local_label_name 359 (bfd *, const char *); 360extern asymbol *coff_bfd_make_debug_symbol 361 (bfd *, void *, unsigned long); 362extern bool coff_find_nearest_line 363 (bfd *, asymbol **, asection *, bfd_vma, 364 const char **, const char **, unsigned int *, unsigned int *); 365#define coff_find_nearest_line_with_alt \ 366 _bfd_nosymbols_find_nearest_line_with_alt 367#define coff_find_line _bfd_nosymbols_find_line 368struct dwarf_debug_section; 369extern bool coff_find_nearest_line_with_names 370 (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, 371 unsigned int *, const struct dwarf_debug_section *); 372extern bool coff_find_inliner_info 373 (bfd *, const char **, const char **, unsigned int *); 374extern int coff_sizeof_headers 375 (bfd *, struct bfd_link_info *); 376extern bool bfd_coff_reloc16_relax_section 377 (bfd *, asection *, struct bfd_link_info *, bool *); 378extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 379 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 380 bfd_byte *, bool, asymbol **); 381extern bfd_vma bfd_coff_reloc16_get_value 382 (arelent *, struct bfd_link_info *, asection *); 383extern void bfd_perform_slip 384 (bfd *, unsigned int, asection *, bfd_vma); 385extern bool _bfd_coff_close_and_cleanup 386 (bfd *); 387 388/* Functions and types in cofflink.c. */ 389 390#define STRING_SIZE_SIZE 4 391 392/* We use a hash table to merge identical enum, struct, and union 393 definitions in the linker. */ 394 395/* Information we keep for a single element (an enum value, a 396 structure or union field) in the debug merge hash table. */ 397 398struct coff_debug_merge_element 399{ 400 /* Next element. */ 401 struct coff_debug_merge_element *next; 402 403 /* Name. */ 404 const char *name; 405 406 /* Type. */ 407 unsigned int type; 408 409 /* Symbol index for complex type. */ 410 long tagndx; 411}; 412 413/* A linked list of debug merge entries for a given name. */ 414 415struct coff_debug_merge_type 416{ 417 /* Next type with the same name. */ 418 struct coff_debug_merge_type *next; 419 420 /* Class of type. */ 421 int type_class; 422 423 /* Symbol index where this type is defined. */ 424 long indx; 425 426 /* List of elements. */ 427 struct coff_debug_merge_element *elements; 428}; 429 430/* Information we store in the debug merge hash table. */ 431 432struct coff_debug_merge_hash_entry 433{ 434 struct bfd_hash_entry root; 435 436 /* A list of types with this name. */ 437 struct coff_debug_merge_type *types; 438}; 439 440/* The debug merge hash table. */ 441 442struct coff_debug_merge_hash_table 443{ 444 struct bfd_hash_table root; 445}; 446 447/* Initialize a COFF debug merge hash table. */ 448 449#define coff_debug_merge_hash_table_init(table) \ 450 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 451 sizeof (struct coff_debug_merge_hash_entry))) 452 453/* Free a COFF debug merge hash table. */ 454 455#define coff_debug_merge_hash_table_free(table) \ 456 (bfd_hash_table_free (&(table)->root)) 457 458/* Look up an entry in a COFF debug merge hash table. */ 459 460#define coff_debug_merge_hash_lookup(table, string, create, copy) \ 461 ((struct coff_debug_merge_hash_entry *) \ 462 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 463 464/* Information we keep for each section in the output file when doing 465 a relocatable link. */ 466 467struct coff_link_section_info 468{ 469 /* The relocs to be output. */ 470 struct internal_reloc *relocs; 471 /* For each reloc against a global symbol whose index was not known 472 when the reloc was handled, the global hash table entry. */ 473 struct coff_link_hash_entry **rel_hashes; 474}; 475 476/* Information that we pass around while doing the final link step. */ 477 478struct coff_final_link_info 479{ 480 /* General link information. */ 481 struct bfd_link_info *info; 482 /* Output BFD. */ 483 bfd *output_bfd; 484 /* Used to indicate failure in traversal routine. */ 485 bool failed; 486 /* If doing "task linking" set only during the time when we want the 487 global symbol writer to convert the storage class of defined global 488 symbols from global to static. */ 489 bool global_to_static; 490 /* Hash table for long symbol names. */ 491 struct bfd_strtab_hash *strtab; 492 /* When doing a relocatable link, an array of information kept for 493 each output section, indexed by the target_index field. */ 494 struct coff_link_section_info *section_info; 495 /* Symbol index of last C_FILE symbol (-1 if none). */ 496 long last_file_index; 497 /* Contents of last C_FILE symbol. */ 498 struct internal_syment last_file; 499 /* Symbol index of first aux entry of last .bf symbol with an empty 500 endndx field (-1 if none). */ 501 long last_bf_index; 502 /* Contents of last_bf_index aux entry. */ 503 union internal_auxent last_bf; 504 /* Hash table used to merge debug information. */ 505 struct coff_debug_merge_hash_table debug_merge; 506 /* Buffer large enough to hold swapped symbols of any input file. */ 507 struct internal_syment *internal_syms; 508 /* Buffer large enough to hold sections of symbols of any input file. */ 509 asection **sec_ptrs; 510 /* Buffer large enough to hold output indices of symbols of any 511 input file. */ 512 long *sym_indices; 513 /* Buffer large enough to hold output symbols for any input file. */ 514 bfd_byte *outsyms; 515 /* Buffer large enough to hold external line numbers for any input 516 section. */ 517 bfd_byte *linenos; 518 /* Buffer large enough to hold any input section. */ 519 bfd_byte *contents; 520 /* Buffer large enough to hold external relocs of any input section. */ 521 bfd_byte *external_relocs; 522 /* Buffer large enough to hold swapped relocs of any input section. */ 523 struct internal_reloc *internal_relocs; 524}; 525 526/* Most COFF variants have no way to record the alignment of a 527 section. This struct is used to set a specific alignment based on 528 the name of the section. */ 529 530struct coff_section_alignment_entry 531{ 532 /* The section name. */ 533 const char *name; 534 535 /* This is either (unsigned int) -1, indicating that the section 536 name must match exactly, or it is the number of letters which 537 must match at the start of the name. */ 538 unsigned int comparison_length; 539 540 /* These macros may be used to fill in the first two fields in a 541 structure initialization. */ 542#define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 543#define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 544 545 /* Only use this entry if the default section alignment for this 546 target is at least that much (as a power of two). If this field 547 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 548 unsigned int default_alignment_min; 549 550 /* Only use this entry if the default section alignment for this 551 target is no greater than this (as a power of two). If this 552 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 553 unsigned int default_alignment_max; 554 555#define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 556 557 /* The desired alignment for this section (as a power of two). */ 558 unsigned int alignment_power; 559}; 560 561extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 562 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 563extern bool _bfd_coff_link_hash_table_init 564 (struct coff_link_hash_table *, bfd *, 565 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 566 struct bfd_hash_table *, 567 const char *), 568 unsigned int); 569extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 570 (bfd *); 571extern const char *_bfd_coff_internal_syment_name 572 (bfd *, const struct internal_syment *, char *); 573extern bool _bfd_coff_section_already_linked 574 (bfd *, asection *, struct bfd_link_info *); 575extern bool _bfd_coff_link_add_symbols 576 (bfd *, struct bfd_link_info *); 577extern bool _bfd_coff_final_link 578 (bfd *, struct bfd_link_info *); 579extern struct internal_reloc *_bfd_coff_read_internal_relocs 580 (bfd *, asection *, bool, bfd_byte *, bool, 581 struct internal_reloc *); 582extern bool _bfd_coff_generic_relocate_section 583 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 584 struct internal_reloc *, struct internal_syment *, asection **); 585extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 586 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 587extern bool _bfd_coff_write_global_sym 588 (struct bfd_hash_entry *, void *); 589extern bool _bfd_coff_write_task_globals 590 (struct coff_link_hash_entry *, void *); 591extern bool _bfd_coff_link_input_bfd 592 (struct coff_final_link_info *, bfd *); 593extern bool _bfd_coff_reloc_link_order 594 (bfd *, struct coff_final_link_info *, asection *, 595 struct bfd_link_order *); 596extern bool bfd_coff_gc_sections 597 (bfd *, struct bfd_link_info *); 598extern const char *bfd_coff_group_name 599 (bfd *, const asection *); 600 601#define coff_get_section_contents_in_window \ 602 _bfd_generic_get_section_contents_in_window 603 604/* Functions in xcofflink.c. */ 605 606extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 607 (bfd *); 608extern long _bfd_xcoff_canonicalize_dynamic_symtab 609 (bfd *, asymbol **); 610extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 611 (bfd *); 612extern long _bfd_xcoff_canonicalize_dynamic_reloc 613 (bfd *, arelent **, asymbol **); 614extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 615 (bfd *); 616extern bool _bfd_xcoff_bfd_link_add_symbols 617 (bfd *, struct bfd_link_info *); 618extern bool _bfd_xcoff_bfd_final_link 619 (bfd *, struct bfd_link_info *); 620extern bool _bfd_xcoff_define_common_symbol 621 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 622extern bool _bfd_ppc_xcoff_relocate_section 623 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 624 struct internal_reloc *, struct internal_syment *, asection **); 625/* Extracted from coffcode.h. */ 626 627typedef struct coff_ptr_struct 628{ 629 /* Remembers the offset from the first symbol in the file for 630 this symbol. Generated by coff_renumber_symbols. */ 631 unsigned int offset; 632 633 /* Should the value of this symbol be renumbered. Used for 634 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 635 unsigned int fix_value : 1; 636 637 /* Should the tag field of this symbol be renumbered. 638 Created by coff_pointerize_aux. */ 639 unsigned int fix_tag : 1; 640 641 /* Should the endidx field of this symbol be renumbered. 642 Created by coff_pointerize_aux. */ 643 unsigned int fix_end : 1; 644 645 /* Should the x_csect.x_scnlen field be renumbered. 646 Created by coff_pointerize_aux. */ 647 unsigned int fix_scnlen : 1; 648 649 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 650 index into the line number entries. Set by coff_slurp_symbol_table. */ 651 unsigned int fix_line : 1; 652 653 /* The container for the symbol structure as read and translated 654 from the file. */ 655 union 656 { 657 union internal_auxent auxent; 658 struct internal_syment syment; 659 } u; 660 661 /* Selector for the union above. */ 662 bool is_sym; 663 664 /* An extra pointer which can used by format based on COFF (like XCOFF) 665 to provide extra information to their backend. */ 666 void *extrap; 667} combined_entry_type; 668 669 670/* Each canonical asymbol really looks like this: */ 671 672typedef struct coff_symbol_struct 673{ 674 /* The actual symbol which the rest of BFD works with */ 675 asymbol symbol; 676 677 /* A pointer to the hidden information for this symbol */ 678 combined_entry_type *native; 679 680 /* A pointer to the linenumber information for this symbol */ 681 struct lineno_cache_entry *lineno; 682 683 /* Have the line numbers been relocated yet ? */ 684 bool done_lineno; 685} coff_symbol_type; 686/* COFF symbol classifications. */ 687 688enum coff_symbol_classification 689{ 690 /* Global symbol. */ 691 COFF_SYMBOL_GLOBAL, 692 /* Common symbol. */ 693 COFF_SYMBOL_COMMON, 694 /* Undefined symbol. */ 695 COFF_SYMBOL_UNDEFINED, 696 /* Local symbol. */ 697 COFF_SYMBOL_LOCAL, 698 /* PE section symbol. */ 699 COFF_SYMBOL_PE_SECTION 700}; 701 702typedef asection * (*coff_gc_mark_hook_fn) 703 (asection *, struct bfd_link_info *, struct internal_reloc *, 704 struct coff_link_hash_entry *, struct internal_syment *); 705 706typedef struct 707{ 708 void (*_bfd_coff_swap_aux_in) 709 (bfd *, void *, int, int, int, int, void *); 710 711 void (*_bfd_coff_swap_sym_in) 712 (bfd *, void *, void *); 713 714 void (*_bfd_coff_swap_lineno_in) 715 (bfd *, void *, void *); 716 717 unsigned int (*_bfd_coff_swap_aux_out) 718 (bfd *, void *, int, int, int, int, void *); 719 720 unsigned int (*_bfd_coff_swap_sym_out) 721 (bfd *, void *, void *); 722 723 unsigned int (*_bfd_coff_swap_lineno_out) 724 (bfd *, void *, void *); 725 726 unsigned int (*_bfd_coff_swap_reloc_out) 727 (bfd *, void *, void *); 728 729 unsigned int (*_bfd_coff_swap_filehdr_out) 730 (bfd *, void *, void *); 731 732 unsigned int (*_bfd_coff_swap_aouthdr_out) 733 (bfd *, void *, void *); 734 735 unsigned int (*_bfd_coff_swap_scnhdr_out) 736 (bfd *, void *, void *); 737 738 unsigned int _bfd_filhsz; 739 unsigned int _bfd_aoutsz; 740 unsigned int _bfd_scnhsz; 741 unsigned int _bfd_symesz; 742 unsigned int _bfd_auxesz; 743 unsigned int _bfd_relsz; 744 unsigned int _bfd_linesz; 745 unsigned int _bfd_filnmlen; 746 bool _bfd_coff_long_filenames; 747 748 bool _bfd_coff_long_section_names; 749 bool (*_bfd_coff_set_long_section_names) 750 (bfd *, int); 751 752 unsigned int _bfd_coff_default_section_alignment_power; 753 bool _bfd_coff_force_symnames_in_strings; 754 unsigned int _bfd_coff_debug_string_prefix_length; 755 unsigned int _bfd_coff_max_nscns; 756 757 void (*_bfd_coff_swap_filehdr_in) 758 (bfd *, void *, void *); 759 760 void (*_bfd_coff_swap_aouthdr_in) 761 (bfd *, void *, void *); 762 763 void (*_bfd_coff_swap_scnhdr_in) 764 (bfd *, void *, void *); 765 766 void (*_bfd_coff_swap_reloc_in) 767 (bfd *abfd, void *, void *); 768 769 bool (*_bfd_coff_bad_format_hook) 770 (bfd *, void *); 771 772 bool (*_bfd_coff_set_arch_mach_hook) 773 (bfd *, void *); 774 775 void * (*_bfd_coff_mkobject_hook) 776 (bfd *, void *, void *); 777 778 bool (*_bfd_styp_to_sec_flags_hook) 779 (bfd *, void *, const char *, asection *, flagword *); 780 781 void (*_bfd_set_alignment_hook) 782 (bfd *, asection *, void *); 783 784 bool (*_bfd_coff_slurp_symbol_table) 785 (bfd *); 786 787 bool (*_bfd_coff_symname_in_debug) 788 (bfd *, struct internal_syment *); 789 790 bool (*_bfd_coff_pointerize_aux_hook) 791 (bfd *, combined_entry_type *, combined_entry_type *, 792 unsigned int, combined_entry_type *); 793 794 bool (*_bfd_coff_print_aux) 795 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 796 combined_entry_type *, unsigned int); 797 798 void (*_bfd_coff_reloc16_extra_cases) 799 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 800 bfd_byte *, unsigned int *, unsigned int *); 801 802 int (*_bfd_coff_reloc16_estimate) 803 (bfd *, asection *, arelent *, unsigned int, 804 struct bfd_link_info *); 805 806 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 807 (bfd *, struct internal_syment *); 808 809 bool (*_bfd_coff_compute_section_file_positions) 810 (bfd *); 811 812 bool (*_bfd_coff_start_final_link) 813 (bfd *, struct bfd_link_info *); 814 815 bool (*_bfd_coff_relocate_section) 816 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 817 struct internal_reloc *, struct internal_syment *, asection **); 818 819 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 820 (bfd *, asection *, struct internal_reloc *, 821 struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *); 822 823 bool (*_bfd_coff_adjust_symndx) 824 (bfd *, struct bfd_link_info *, bfd *, asection *, 825 struct internal_reloc *, bool *); 826 827 bool (*_bfd_coff_link_add_one_symbol) 828 (struct bfd_link_info *, bfd *, const char *, flagword, 829 asection *, bfd_vma, const char *, bool, bool, 830 struct bfd_link_hash_entry **); 831 832 bool (*_bfd_coff_link_output_has_begun) 833 (bfd *, struct coff_final_link_info *); 834 835 bool (*_bfd_coff_final_link_postscript) 836 (bfd *, struct coff_final_link_info *); 837 838 bool (*_bfd_coff_print_pdata) 839 (bfd *, void *); 840 841} bfd_coff_backend_data; 842 843#define coff_backend_info(abfd) \ 844 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 845 846#define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 847 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 848 849#define bfd_coff_swap_sym_in(a,e,i) \ 850 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 851 852#define bfd_coff_swap_lineno_in(a,e,i) \ 853 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 854 855#define bfd_coff_swap_reloc_out(abfd, i, o) \ 856 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 857 858#define bfd_coff_swap_lineno_out(abfd, i, o) \ 859 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 860 861#define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 862 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 863 864#define bfd_coff_swap_sym_out(abfd, i,o) \ 865 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 866 867#define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 868 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 869 870#define bfd_coff_swap_filehdr_out(abfd, i,o) \ 871 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 872 873#define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 874 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 875 876#define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 877#define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 878#define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 879#define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 880#define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 881#define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 882#define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 883#define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 884#define bfd_coff_long_filenames(abfd) \ 885 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 886#define bfd_coff_long_section_names(abfd) \ 887 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 888#define bfd_coff_set_long_section_names(abfd, enable) \ 889 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 890#define bfd_coff_default_section_alignment_power(abfd) \ 891 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 892#define bfd_coff_max_nscns(abfd) \ 893 (coff_backend_info (abfd)->_bfd_coff_max_nscns) 894 895#define bfd_coff_swap_filehdr_in(abfd, i,o) \ 896 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 897 898#define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 899 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 900 901#define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 902 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 903 904#define bfd_coff_swap_reloc_in(abfd, i, o) \ 905 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 906 907#define bfd_coff_bad_format_hook(abfd, filehdr) \ 908 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 909 910#define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 911 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 912#define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 913 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 914 (abfd, filehdr, aouthdr)) 915 916#define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 917 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 918 (abfd, scnhdr, name, section, flags_ptr)) 919 920#define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 921 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 922 923#define bfd_coff_slurp_symbol_table(abfd)\ 924 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 925 926#define bfd_coff_symname_in_debug(abfd, sym)\ 927 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 928 929#define bfd_coff_force_symnames_in_strings(abfd)\ 930 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 931 932#define bfd_coff_debug_string_prefix_length(abfd)\ 933 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 934 935#define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 936 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 937 (abfd, file, base, symbol, aux, indaux)) 938 939#define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 940 reloc, data, src_ptr, dst_ptr)\ 941 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 942 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 943 944#define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 945 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 946 (abfd, section, reloc, shrink, link_info)) 947 948#define bfd_coff_classify_symbol(abfd, sym)\ 949 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 950 (abfd, sym)) 951 952#define bfd_coff_compute_section_file_positions(abfd)\ 953 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 954 (abfd)) 955 956#define bfd_coff_start_final_link(obfd, info)\ 957 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 958 (obfd, info)) 959#define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 960 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 961 (obfd, info, ibfd, o, con, rel, isyms, secs)) 962#define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 963 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 964 (abfd, sec, rel, h, sym, addendp)) 965#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 966 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 967 (obfd, info, ibfd, sec, rel, adjustedp)) 968#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 969 value, string, cp, coll, hashp)\ 970 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 971 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 972 973#define bfd_coff_link_output_has_begun(a,p) \ 974 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 975#define bfd_coff_final_link_postscript(a,p) \ 976 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 977 978#define bfd_coff_have_print_pdata(a) \ 979 (coff_backend_info (a)->_bfd_coff_print_pdata) 980#define bfd_coff_print_pdata(a,p) \ 981 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 982 983/* Macro: Returns true if the bfd is a PE executable as opposed to a 984 PE object file. */ 985#define bfd_pei_p(abfd) \ 986 (startswith ((abfd)->xvec->name, "pei-")) 987#ifdef __cplusplus 988} 989#endif 990#endif 991