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) 1990-2021 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 33 extern "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 59 typedef 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. */ 133 typedef 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. */ 159 160 struct 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. */ 212 213 struct 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. */ 231 232 struct 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. */ 245 246 struct 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. */ 277 278 struct 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 }; 284 285 struct 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. */ 315 extern bfd_cleanup coff_object_p 316 (bfd *); 317 extern struct bfd_section *coff_section_from_bfd_index 318 (bfd *, int); 319 extern long coff_get_symtab_upper_bound 320 (bfd *); 321 extern long coff_canonicalize_symtab 322 (bfd *, asymbol **); 323 extern int coff_count_linenumbers 324 (bfd *); 325 extern bool coff_renumber_symbols 326 (bfd *, int *); 327 extern void coff_mangle_symbols 328 (bfd *); 329 extern bool coff_write_symbols 330 (bfd *); 331 extern bool coff_write_alien_symbol 332 (bfd *, asymbol *, struct internal_syment *, union internal_auxent *, 333 bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); 334 extern bool coff_write_linenumbers 335 (bfd *); 336 extern alent *coff_get_lineno 337 (bfd *, asymbol *); 338 extern asymbol *coff_section_symbol 339 (bfd *, char *); 340 extern bool _bfd_coff_get_external_symbols 341 (bfd *); 342 extern const char *_bfd_coff_read_string_table 343 (bfd *); 344 extern bool _bfd_coff_free_symbols 345 (bfd *); 346 extern struct coff_ptr_struct *coff_get_normalized_symtab 347 (bfd *); 348 extern long coff_get_reloc_upper_bound 349 (bfd *, sec_ptr); 350 extern asymbol *coff_make_empty_symbol 351 (bfd *); 352 extern void coff_print_symbol 353 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 354 extern 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 358 extern bool _bfd_coff_is_local_label_name 359 (bfd *, const char *); 360 extern asymbol *coff_bfd_make_debug_symbol 361 (bfd *, void *, unsigned long); 362 extern bool coff_find_nearest_line 363 (bfd *, asymbol **, asection *, bfd_vma, 364 const char **, const char **, unsigned int *, unsigned int *); 365 #define coff_find_line _bfd_nosymbols_find_line 366 struct dwarf_debug_section; 367 extern bool coff_find_nearest_line_with_names 368 (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, 369 unsigned int *, const struct dwarf_debug_section *); 370 extern bool coff_find_inliner_info 371 (bfd *, const char **, const char **, unsigned int *); 372 extern int coff_sizeof_headers 373 (bfd *, struct bfd_link_info *); 374 extern bool bfd_coff_reloc16_relax_section 375 (bfd *, asection *, struct bfd_link_info *, bool *); 376 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 377 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 378 bfd_byte *, bool, asymbol **); 379 extern bfd_vma bfd_coff_reloc16_get_value 380 (arelent *, struct bfd_link_info *, asection *); 381 extern void bfd_perform_slip 382 (bfd *, unsigned int, asection *, bfd_vma); 383 extern bool _bfd_coff_close_and_cleanup 384 (bfd *); 385 386 /* Functions and types in cofflink.c. */ 387 388 #define STRING_SIZE_SIZE 4 389 390 /* We use a hash table to merge identical enum, struct, and union 391 definitions in the linker. */ 392 393 /* Information we keep for a single element (an enum value, a 394 structure or union field) in the debug merge hash table. */ 395 396 struct coff_debug_merge_element 397 { 398 /* Next element. */ 399 struct coff_debug_merge_element *next; 400 401 /* Name. */ 402 const char *name; 403 404 /* Type. */ 405 unsigned int type; 406 407 /* Symbol index for complex type. */ 408 long tagndx; 409 }; 410 411 /* A linked list of debug merge entries for a given name. */ 412 413 struct coff_debug_merge_type 414 { 415 /* Next type with the same name. */ 416 struct coff_debug_merge_type *next; 417 418 /* Class of type. */ 419 int type_class; 420 421 /* Symbol index where this type is defined. */ 422 long indx; 423 424 /* List of elements. */ 425 struct coff_debug_merge_element *elements; 426 }; 427 428 /* Information we store in the debug merge hash table. */ 429 430 struct coff_debug_merge_hash_entry 431 { 432 struct bfd_hash_entry root; 433 434 /* A list of types with this name. */ 435 struct coff_debug_merge_type *types; 436 }; 437 438 /* The debug merge hash table. */ 439 440 struct coff_debug_merge_hash_table 441 { 442 struct bfd_hash_table root; 443 }; 444 445 /* Initialize a COFF debug merge hash table. */ 446 447 #define coff_debug_merge_hash_table_init(table) \ 448 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 449 sizeof (struct coff_debug_merge_hash_entry))) 450 451 /* Free a COFF debug merge hash table. */ 452 453 #define coff_debug_merge_hash_table_free(table) \ 454 (bfd_hash_table_free (&(table)->root)) 455 456 /* Look up an entry in a COFF debug merge hash table. */ 457 458 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 459 ((struct coff_debug_merge_hash_entry *) \ 460 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 461 462 /* Information we keep for each section in the output file when doing 463 a relocatable link. */ 464 465 struct coff_link_section_info 466 { 467 /* The relocs to be output. */ 468 struct internal_reloc *relocs; 469 /* For each reloc against a global symbol whose index was not known 470 when the reloc was handled, the global hash table entry. */ 471 struct coff_link_hash_entry **rel_hashes; 472 }; 473 474 /* Information that we pass around while doing the final link step. */ 475 476 struct coff_final_link_info 477 { 478 /* General link information. */ 479 struct bfd_link_info *info; 480 /* Output BFD. */ 481 bfd *output_bfd; 482 /* Used to indicate failure in traversal routine. */ 483 bool failed; 484 /* If doing "task linking" set only during the time when we want the 485 global symbol writer to convert the storage class of defined global 486 symbols from global to static. */ 487 bool global_to_static; 488 /* Hash table for long symbol names. */ 489 struct bfd_strtab_hash *strtab; 490 /* When doing a relocatable link, an array of information kept for 491 each output section, indexed by the target_index field. */ 492 struct coff_link_section_info *section_info; 493 /* Symbol index of last C_FILE symbol (-1 if none). */ 494 long last_file_index; 495 /* Contents of last C_FILE symbol. */ 496 struct internal_syment last_file; 497 /* Symbol index of first aux entry of last .bf symbol with an empty 498 endndx field (-1 if none). */ 499 long last_bf_index; 500 /* Contents of last_bf_index aux entry. */ 501 union internal_auxent last_bf; 502 /* Hash table used to merge debug information. */ 503 struct coff_debug_merge_hash_table debug_merge; 504 /* Buffer large enough to hold swapped symbols of any input file. */ 505 struct internal_syment *internal_syms; 506 /* Buffer large enough to hold sections of symbols of any input file. */ 507 asection **sec_ptrs; 508 /* Buffer large enough to hold output indices of symbols of any 509 input file. */ 510 long *sym_indices; 511 /* Buffer large enough to hold output symbols for any input file. */ 512 bfd_byte *outsyms; 513 /* Buffer large enough to hold external line numbers for any input 514 section. */ 515 bfd_byte *linenos; 516 /* Buffer large enough to hold any input section. */ 517 bfd_byte *contents; 518 /* Buffer large enough to hold external relocs of any input section. */ 519 bfd_byte *external_relocs; 520 /* Buffer large enough to hold swapped relocs of any input section. */ 521 struct internal_reloc *internal_relocs; 522 }; 523 524 /* Most COFF variants have no way to record the alignment of a 525 section. This struct is used to set a specific alignment based on 526 the name of the section. */ 527 528 struct coff_section_alignment_entry 529 { 530 /* The section name. */ 531 const char *name; 532 533 /* This is either (unsigned int) -1, indicating that the section 534 name must match exactly, or it is the number of letters which 535 must match at the start of the name. */ 536 unsigned int comparison_length; 537 538 /* These macros may be used to fill in the first two fields in a 539 structure initialization. */ 540 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 541 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 542 543 /* Only use this entry if the default section alignment for this 544 target is at least that much (as a power of two). If this field 545 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 546 unsigned int default_alignment_min; 547 548 /* Only use this entry if the default section alignment for this 549 target is no greater than this (as a power of two). If this 550 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 551 unsigned int default_alignment_max; 552 553 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 554 555 /* The desired alignment for this section (as a power of two). */ 556 unsigned int alignment_power; 557 }; 558 559 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 560 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 561 extern bool _bfd_coff_link_hash_table_init 562 (struct coff_link_hash_table *, bfd *, 563 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 564 struct bfd_hash_table *, 565 const char *), 566 unsigned int); 567 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 568 (bfd *); 569 extern const char *_bfd_coff_internal_syment_name 570 (bfd *, const struct internal_syment *, char *); 571 extern bool _bfd_coff_section_already_linked 572 (bfd *, asection *, struct bfd_link_info *); 573 extern bool _bfd_coff_link_add_symbols 574 (bfd *, struct bfd_link_info *); 575 extern bool _bfd_coff_final_link 576 (bfd *, struct bfd_link_info *); 577 extern struct internal_reloc *_bfd_coff_read_internal_relocs 578 (bfd *, asection *, bool, bfd_byte *, bool, 579 struct internal_reloc *); 580 extern bool _bfd_coff_generic_relocate_section 581 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 582 struct internal_reloc *, struct internal_syment *, asection **); 583 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 584 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 585 extern bool _bfd_coff_write_global_sym 586 (struct bfd_hash_entry *, void *); 587 extern bool _bfd_coff_write_task_globals 588 (struct coff_link_hash_entry *, void *); 589 extern bool _bfd_coff_link_input_bfd 590 (struct coff_final_link_info *, bfd *); 591 extern bool _bfd_coff_reloc_link_order 592 (bfd *, struct coff_final_link_info *, asection *, 593 struct bfd_link_order *); 594 extern bool bfd_coff_gc_sections 595 (bfd *, struct bfd_link_info *); 596 extern const char *bfd_coff_group_name 597 (bfd *, const asection *); 598 599 #define coff_get_section_contents_in_window \ 600 _bfd_generic_get_section_contents_in_window 601 602 /* Functions in xcofflink.c. */ 603 604 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 605 (bfd *); 606 extern long _bfd_xcoff_canonicalize_dynamic_symtab 607 (bfd *, asymbol **); 608 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 609 (bfd *); 610 extern long _bfd_xcoff_canonicalize_dynamic_reloc 611 (bfd *, arelent **, asymbol **); 612 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 613 (bfd *); 614 extern bool _bfd_xcoff_bfd_link_add_symbols 615 (bfd *, struct bfd_link_info *); 616 extern bool _bfd_xcoff_bfd_final_link 617 (bfd *, struct bfd_link_info *); 618 extern bool _bfd_xcoff_define_common_symbol 619 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 620 extern bool _bfd_ppc_xcoff_relocate_section 621 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 622 struct internal_reloc *, struct internal_syment *, asection **); 623 /* Extracted from coffcode.h. */ 624 625 typedef struct coff_ptr_struct 626 { 627 /* Remembers the offset from the first symbol in the file for 628 this symbol. Generated by coff_renumber_symbols. */ 629 unsigned int offset; 630 631 /* Should the value of this symbol be renumbered. Used for 632 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 633 unsigned int fix_value : 1; 634 635 /* Should the tag field of this symbol be renumbered. 636 Created by coff_pointerize_aux. */ 637 unsigned int fix_tag : 1; 638 639 /* Should the endidx field of this symbol be renumbered. 640 Created by coff_pointerize_aux. */ 641 unsigned int fix_end : 1; 642 643 /* Should the x_csect.x_scnlen field be renumbered. 644 Created by coff_pointerize_aux. */ 645 unsigned int fix_scnlen : 1; 646 647 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 648 index into the line number entries. Set by coff_slurp_symbol_table. */ 649 unsigned int fix_line : 1; 650 651 /* The container for the symbol structure as read and translated 652 from the file. */ 653 union 654 { 655 union internal_auxent auxent; 656 struct internal_syment syment; 657 } u; 658 659 /* Selector for the union above. */ 660 bool is_sym; 661 } combined_entry_type; 662 663 664 /* Each canonical asymbol really looks like this: */ 665 666 typedef struct coff_symbol_struct 667 { 668 /* The actual symbol which the rest of BFD works with */ 669 asymbol symbol; 670 671 /* A pointer to the hidden information for this symbol */ 672 combined_entry_type *native; 673 674 /* A pointer to the linenumber information for this symbol */ 675 struct lineno_cache_entry *lineno; 676 677 /* Have the line numbers been relocated yet ? */ 678 bool done_lineno; 679 } coff_symbol_type; 680 /* COFF symbol classifications. */ 681 682 enum coff_symbol_classification 683 { 684 /* Global symbol. */ 685 COFF_SYMBOL_GLOBAL, 686 /* Common symbol. */ 687 COFF_SYMBOL_COMMON, 688 /* Undefined symbol. */ 689 COFF_SYMBOL_UNDEFINED, 690 /* Local symbol. */ 691 COFF_SYMBOL_LOCAL, 692 /* PE section symbol. */ 693 COFF_SYMBOL_PE_SECTION 694 }; 695 696 typedef asection * (*coff_gc_mark_hook_fn) 697 (asection *, struct bfd_link_info *, struct internal_reloc *, 698 struct coff_link_hash_entry *, struct internal_syment *); 699 700 typedef struct 701 { 702 void (*_bfd_coff_swap_aux_in) 703 (bfd *, void *, int, int, int, int, void *); 704 705 void (*_bfd_coff_swap_sym_in) 706 (bfd *, void *, void *); 707 708 void (*_bfd_coff_swap_lineno_in) 709 (bfd *, void *, void *); 710 711 unsigned int (*_bfd_coff_swap_aux_out) 712 (bfd *, void *, int, int, int, int, void *); 713 714 unsigned int (*_bfd_coff_swap_sym_out) 715 (bfd *, void *, void *); 716 717 unsigned int (*_bfd_coff_swap_lineno_out) 718 (bfd *, void *, void *); 719 720 unsigned int (*_bfd_coff_swap_reloc_out) 721 (bfd *, void *, void *); 722 723 unsigned int (*_bfd_coff_swap_filehdr_out) 724 (bfd *, void *, void *); 725 726 unsigned int (*_bfd_coff_swap_aouthdr_out) 727 (bfd *, void *, void *); 728 729 unsigned int (*_bfd_coff_swap_scnhdr_out) 730 (bfd *, void *, void *); 731 732 unsigned int _bfd_filhsz; 733 unsigned int _bfd_aoutsz; 734 unsigned int _bfd_scnhsz; 735 unsigned int _bfd_symesz; 736 unsigned int _bfd_auxesz; 737 unsigned int _bfd_relsz; 738 unsigned int _bfd_linesz; 739 unsigned int _bfd_filnmlen; 740 bool _bfd_coff_long_filenames; 741 742 bool _bfd_coff_long_section_names; 743 bool (*_bfd_coff_set_long_section_names) 744 (bfd *, int); 745 746 unsigned int _bfd_coff_default_section_alignment_power; 747 bool _bfd_coff_force_symnames_in_strings; 748 unsigned int _bfd_coff_debug_string_prefix_length; 749 unsigned int _bfd_coff_max_nscns; 750 751 void (*_bfd_coff_swap_filehdr_in) 752 (bfd *, void *, void *); 753 754 void (*_bfd_coff_swap_aouthdr_in) 755 (bfd *, void *, void *); 756 757 void (*_bfd_coff_swap_scnhdr_in) 758 (bfd *, void *, void *); 759 760 void (*_bfd_coff_swap_reloc_in) 761 (bfd *abfd, void *, void *); 762 763 bool (*_bfd_coff_bad_format_hook) 764 (bfd *, void *); 765 766 bool (*_bfd_coff_set_arch_mach_hook) 767 (bfd *, void *); 768 769 void * (*_bfd_coff_mkobject_hook) 770 (bfd *, void *, void *); 771 772 bool (*_bfd_styp_to_sec_flags_hook) 773 (bfd *, void *, const char *, asection *, flagword *); 774 775 void (*_bfd_set_alignment_hook) 776 (bfd *, asection *, void *); 777 778 bool (*_bfd_coff_slurp_symbol_table) 779 (bfd *); 780 781 bool (*_bfd_coff_symname_in_debug) 782 (bfd *, struct internal_syment *); 783 784 bool (*_bfd_coff_pointerize_aux_hook) 785 (bfd *, combined_entry_type *, combined_entry_type *, 786 unsigned int, combined_entry_type *); 787 788 bool (*_bfd_coff_print_aux) 789 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 790 combined_entry_type *, unsigned int); 791 792 void (*_bfd_coff_reloc16_extra_cases) 793 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 794 bfd_byte *, unsigned int *, unsigned int *); 795 796 int (*_bfd_coff_reloc16_estimate) 797 (bfd *, asection *, arelent *, unsigned int, 798 struct bfd_link_info *); 799 800 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 801 (bfd *, struct internal_syment *); 802 803 bool (*_bfd_coff_compute_section_file_positions) 804 (bfd *); 805 806 bool (*_bfd_coff_start_final_link) 807 (bfd *, struct bfd_link_info *); 808 809 bool (*_bfd_coff_relocate_section) 810 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 811 struct internal_reloc *, struct internal_syment *, asection **); 812 813 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 814 (bfd *, asection *, struct internal_reloc *, 815 struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *); 816 817 bool (*_bfd_coff_adjust_symndx) 818 (bfd *, struct bfd_link_info *, bfd *, asection *, 819 struct internal_reloc *, bool *); 820 821 bool (*_bfd_coff_link_add_one_symbol) 822 (struct bfd_link_info *, bfd *, const char *, flagword, 823 asection *, bfd_vma, const char *, bool, bool, 824 struct bfd_link_hash_entry **); 825 826 bool (*_bfd_coff_link_output_has_begun) 827 (bfd *, struct coff_final_link_info *); 828 829 bool (*_bfd_coff_final_link_postscript) 830 (bfd *, struct coff_final_link_info *); 831 832 bool (*_bfd_coff_print_pdata) 833 (bfd *, void *); 834 835 } bfd_coff_backend_data; 836 837 #define coff_backend_info(abfd) \ 838 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 839 840 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 841 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 842 843 #define bfd_coff_swap_sym_in(a,e,i) \ 844 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 845 846 #define bfd_coff_swap_lineno_in(a,e,i) \ 847 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 848 849 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 850 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 851 852 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 853 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 854 855 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 856 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 857 858 #define bfd_coff_swap_sym_out(abfd, i,o) \ 859 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 860 861 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 862 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 863 864 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 865 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 866 867 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 868 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 869 870 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 871 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 872 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 873 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 874 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 875 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 876 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 877 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 878 #define bfd_coff_long_filenames(abfd) \ 879 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 880 #define bfd_coff_long_section_names(abfd) \ 881 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 882 #define bfd_coff_set_long_section_names(abfd, enable) \ 883 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 884 #define bfd_coff_default_section_alignment_power(abfd) \ 885 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 886 #define bfd_coff_max_nscns(abfd) \ 887 (coff_backend_info (abfd)->_bfd_coff_max_nscns) 888 889 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 890 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 891 892 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 893 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 894 895 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 896 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 897 898 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 899 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 900 901 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 902 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 903 904 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 905 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 906 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 907 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 908 (abfd, filehdr, aouthdr)) 909 910 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 911 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 912 (abfd, scnhdr, name, section, flags_ptr)) 913 914 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 915 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 916 917 #define bfd_coff_slurp_symbol_table(abfd)\ 918 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 919 920 #define bfd_coff_symname_in_debug(abfd, sym)\ 921 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 922 923 #define bfd_coff_force_symnames_in_strings(abfd)\ 924 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 925 926 #define bfd_coff_debug_string_prefix_length(abfd)\ 927 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 928 929 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 930 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 931 (abfd, file, base, symbol, aux, indaux)) 932 933 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 934 reloc, data, src_ptr, dst_ptr)\ 935 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 936 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 937 938 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 939 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 940 (abfd, section, reloc, shrink, link_info)) 941 942 #define bfd_coff_classify_symbol(abfd, sym)\ 943 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 944 (abfd, sym)) 945 946 #define bfd_coff_compute_section_file_positions(abfd)\ 947 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 948 (abfd)) 949 950 #define bfd_coff_start_final_link(obfd, info)\ 951 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 952 (obfd, info)) 953 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 954 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 955 (obfd, info, ibfd, o, con, rel, isyms, secs)) 956 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 957 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 958 (abfd, sec, rel, h, sym, addendp)) 959 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 960 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 961 (obfd, info, ibfd, sec, rel, adjustedp)) 962 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 963 value, string, cp, coll, hashp)\ 964 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 965 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 966 967 #define bfd_coff_link_output_has_begun(a,p) \ 968 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 969 #define bfd_coff_final_link_postscript(a,p) \ 970 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 971 972 #define bfd_coff_have_print_pdata(a) \ 973 (coff_backend_info (a)->_bfd_coff_print_pdata) 974 #define bfd_coff_print_pdata(a,p) \ 975 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 976 977 /* Macro: Returns true if the bfd is a PE executable as opposed to a 978 PE object file. */ 979 #define bfd_pei_p(abfd) \ 980 (startswith ((abfd)->xvec->name, "pei-")) 981 #ifdef __cplusplus 982 } 983 #endif 984 #endif 985