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, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 7 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 8 Free Software Foundation, Inc. 9 Written by Cygnus Support. 10 11 This file is part of BFD, the Binary File Descriptor library. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 3 of the License, or 16 (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 26 MA 02110-1301, USA. */ 27 28 #include "bfdlink.h" 29 30 /* Object file tdata; access macros. */ 31 32 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 33 #define exec_hdr(bfd) (coff_data (bfd)->hdr) 34 #define obj_pe(bfd) (coff_data (bfd)->pe) 35 #define obj_symbols(bfd) (coff_data (bfd)->symbols) 36 #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) 37 #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) 38 #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) 39 #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) 40 #define obj_convert(bfd) (coff_data (bfd)->conversion_table) 41 #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) 42 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 43 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 44 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 45 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 46 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 47 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 48 #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) 49 50 /* `Tdata' information kept for COFF files. */ 51 52 typedef struct coff_tdata 53 { 54 struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ 55 unsigned int *conversion_table; 56 int conv_table_size; 57 file_ptr sym_filepos; 58 59 struct coff_ptr_struct *raw_syments; 60 unsigned long raw_syment_count; 61 62 /* These are only valid once writing has begun. */ 63 long int relocbase; 64 65 /* These members communicate important constants about the symbol table 66 to GDB's symbol-reading code. These `constants' unfortunately vary 67 from coff implementation to implementation... */ 68 unsigned local_n_btmask; 69 unsigned local_n_btshft; 70 unsigned local_n_tmask; 71 unsigned local_n_tshift; 72 unsigned local_symesz; 73 unsigned local_auxesz; 74 unsigned local_linesz; 75 76 /* The unswapped external symbols. May be NULL. Read by 77 _bfd_coff_get_external_symbols. */ 78 void * external_syms; 79 /* If this is TRUE, the external_syms may not be freed. */ 80 bfd_boolean keep_syms; 81 82 /* The string table. May be NULL. Read by 83 _bfd_coff_read_string_table. */ 84 char *strings; 85 /* If this is TRUE, the strings may not be freed. */ 86 bfd_boolean keep_strings; 87 /* If this is TRUE, the strings have been written out already. */ 88 bfd_boolean strings_written; 89 90 /* Is this a PE format coff file? */ 91 int pe; 92 /* Used by the COFF backend linker. */ 93 struct coff_link_hash_entry **sym_hashes; 94 95 /* Used by the pe linker for PowerPC. */ 96 int *local_toc_sym_map; 97 98 struct bfd_link_info *link_info; 99 100 /* Used by coff_find_nearest_line. */ 101 void * line_info; 102 103 /* A place to stash dwarf2 info for this bfd. */ 104 void * dwarf2_find_line_info; 105 106 /* The timestamp from the COFF file header. */ 107 long timestamp; 108 109 /* Copy of some of the f_flags bits in the COFF filehdr structure, 110 used by ARM code. */ 111 flagword flags; 112 113 } 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 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); 123 flagword real_flags; 124 int target_subsystem; 125 bfd_boolean force_minimum_alignment; 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 unsigned long *debug_indices; 173 unsigned int import_file_id; 174 }; 175 176 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 177 178 /* We take the address of the first element of an asymbol to ensure that the 179 macro is only ever applied to an asymbol. */ 180 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 181 182 /* The used_by_bfd field of a section may be set to a pointer to this 183 structure. */ 184 185 struct coff_section_tdata 186 { 187 /* The relocs, swapped into COFF internal form. This may be NULL. */ 188 struct internal_reloc *relocs; 189 /* If this is TRUE, the relocs entry may not be freed. */ 190 bfd_boolean keep_relocs; 191 /* The section contents. This may be NULL. */ 192 bfd_byte *contents; 193 /* If this is TRUE, the contents entry may not be freed. */ 194 bfd_boolean keep_contents; 195 /* Information cached by coff_find_nearest_line. */ 196 bfd_vma offset; 197 unsigned int i; 198 const char *function; 199 /* Optional information about a COMDAT entry; NULL if not COMDAT. */ 200 struct coff_comdat_info *comdat; 201 int line_base; 202 /* A pointer used for .stab linking optimizations. */ 203 void * stab_info; 204 /* Available for individual backends. */ 205 void * tdata; 206 }; 207 208 /* An accessor macro for the coff_section_tdata structure. */ 209 #define coff_section_data(abfd, sec) \ 210 ((struct coff_section_tdata *) (sec)->used_by_bfd) 211 212 /* Tdata for sections in XCOFF files. This is used by the linker. */ 213 214 struct xcoff_section_tdata 215 { 216 /* Used for XCOFF csects created by the linker; points to the real 217 XCOFF section which contains this csect. */ 218 asection *enclosing; 219 /* The lineno_count field for the enclosing section, because we are 220 going to clobber it there. */ 221 unsigned int lineno_count; 222 /* The first and one past the last symbol indices for symbols used 223 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 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_linenumbers 325 (bfd *); 326 extern alent *coff_get_lineno 327 (bfd *, asymbol *); 328 extern asymbol *coff_section_symbol 329 (bfd *, char *); 330 extern bfd_boolean _bfd_coff_get_external_symbols 331 (bfd *); 332 extern const char *_bfd_coff_read_string_table 333 (bfd *); 334 extern bfd_boolean _bfd_coff_free_symbols 335 (bfd *); 336 extern struct coff_ptr_struct *coff_get_normalized_symtab 337 (bfd *); 338 extern long coff_get_reloc_upper_bound 339 (bfd *, sec_ptr); 340 extern asymbol *coff_make_empty_symbol 341 (bfd *); 342 extern void coff_print_symbol 343 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 344 extern void coff_get_symbol_info 345 (bfd *, asymbol *, symbol_info *ret); 346 extern bfd_boolean _bfd_coff_is_local_label_name 347 (bfd *, const char *); 348 extern asymbol *coff_bfd_make_debug_symbol 349 (bfd *, void *, unsigned long); 350 extern bfd_boolean coff_find_nearest_line 351 (bfd *, asection *, asymbol **, bfd_vma, const char **, 352 const char **, unsigned int *); 353 extern bfd_boolean coff_find_inliner_info 354 (bfd *, const char **, const char **, unsigned int *); 355 extern int coff_sizeof_headers 356 (bfd *, struct bfd_link_info *); 357 extern bfd_boolean bfd_coff_reloc16_relax_section 358 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 359 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 360 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 361 bfd_byte *, bfd_boolean, asymbol **); 362 extern bfd_vma bfd_coff_reloc16_get_value 363 (arelent *, struct bfd_link_info *, asection *); 364 extern void bfd_perform_slip 365 (bfd *, unsigned int, asection *, bfd_vma); 366 367 /* Functions and types in cofflink.c. */ 368 369 #define STRING_SIZE_SIZE 4 370 371 /* We use a hash table to merge identical enum, struct, and union 372 definitions in the linker. */ 373 374 /* Information we keep for a single element (an enum value, a 375 structure or union field) in the debug merge hash table. */ 376 377 struct coff_debug_merge_element 378 { 379 /* Next element. */ 380 struct coff_debug_merge_element *next; 381 382 /* Name. */ 383 const char *name; 384 385 /* Type. */ 386 unsigned int type; 387 388 /* Symbol index for complex type. */ 389 long tagndx; 390 }; 391 392 /* A linked list of debug merge entries for a given name. */ 393 394 struct coff_debug_merge_type 395 { 396 /* Next type with the same name. */ 397 struct coff_debug_merge_type *next; 398 399 /* Class of type. */ 400 int class; 401 402 /* Symbol index where this type is defined. */ 403 long indx; 404 405 /* List of elements. */ 406 struct coff_debug_merge_element *elements; 407 }; 408 409 /* Information we store in the debug merge hash table. */ 410 411 struct coff_debug_merge_hash_entry 412 { 413 struct bfd_hash_entry root; 414 415 /* A list of types with this name. */ 416 struct coff_debug_merge_type *types; 417 }; 418 419 /* The debug merge hash table. */ 420 421 struct coff_debug_merge_hash_table 422 { 423 struct bfd_hash_table root; 424 }; 425 426 /* Initialize a COFF debug merge hash table. */ 427 428 #define coff_debug_merge_hash_table_init(table) \ 429 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 430 sizeof (struct coff_debug_merge_hash_entry))) 431 432 /* Free a COFF debug merge hash table. */ 433 434 #define coff_debug_merge_hash_table_free(table) \ 435 (bfd_hash_table_free (&(table)->root)) 436 437 /* Look up an entry in a COFF debug merge hash table. */ 438 439 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 440 ((struct coff_debug_merge_hash_entry *) \ 441 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 442 443 /* Information we keep for each section in the output file when doing 444 a relocatable link. */ 445 446 struct coff_link_section_info 447 { 448 /* The relocs to be output. */ 449 struct internal_reloc *relocs; 450 /* For each reloc against a global symbol whose index was not known 451 when the reloc was handled, the global hash table entry. */ 452 struct coff_link_hash_entry **rel_hashes; 453 }; 454 455 /* Information that we pass around while doing the final link step. */ 456 457 struct coff_final_link_info 458 { 459 /* General link information. */ 460 struct bfd_link_info *info; 461 /* Output BFD. */ 462 bfd *output_bfd; 463 /* Used to indicate failure in traversal routine. */ 464 bfd_boolean failed; 465 /* If doing "task linking" set only during the time when we want the 466 global symbol writer to convert the storage class of defined global 467 symbols from global to static. */ 468 bfd_boolean global_to_static; 469 /* Hash table for long symbol names. */ 470 struct bfd_strtab_hash *strtab; 471 /* When doing a relocatable link, an array of information kept for 472 each output section, indexed by the target_index field. */ 473 struct coff_link_section_info *section_info; 474 /* Symbol index of last C_FILE symbol (-1 if none). */ 475 long last_file_index; 476 /* Contents of last C_FILE symbol. */ 477 struct internal_syment last_file; 478 /* Symbol index of first aux entry of last .bf symbol with an empty 479 endndx field (-1 if none). */ 480 long last_bf_index; 481 /* Contents of last_bf_index aux entry. */ 482 union internal_auxent last_bf; 483 /* Hash table used to merge debug information. */ 484 struct coff_debug_merge_hash_table debug_merge; 485 /* Buffer large enough to hold swapped symbols of any input file. */ 486 struct internal_syment *internal_syms; 487 /* Buffer large enough to hold sections of symbols of any input file. */ 488 asection **sec_ptrs; 489 /* Buffer large enough to hold output indices of symbols of any 490 input file. */ 491 long *sym_indices; 492 /* Buffer large enough to hold output symbols for any input file. */ 493 bfd_byte *outsyms; 494 /* Buffer large enough to hold external line numbers for any input 495 section. */ 496 bfd_byte *linenos; 497 /* Buffer large enough to hold any input section. */ 498 bfd_byte *contents; 499 /* Buffer large enough to hold external relocs of any input section. */ 500 bfd_byte *external_relocs; 501 /* Buffer large enough to hold swapped relocs of any input section. */ 502 struct internal_reloc *internal_relocs; 503 }; 504 505 /* Most COFF variants have no way to record the alignment of a 506 section. This struct is used to set a specific alignment based on 507 the name of the section. */ 508 509 struct coff_section_alignment_entry 510 { 511 /* The section name. */ 512 const char *name; 513 514 /* This is either (unsigned int) -1, indicating that the section 515 name must match exactly, or it is the number of letters which 516 must match at the start of the name. */ 517 unsigned int comparison_length; 518 519 /* These macros may be used to fill in the first two fields in a 520 structure initialization. */ 521 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 522 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 523 524 /* Only use this entry if the default section alignment for this 525 target is at least that much (as a power of two). If this field 526 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 527 unsigned int default_alignment_min; 528 529 /* Only use this entry if the default section alignment for this 530 target is no greater than this (as a power of two). If this 531 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 532 unsigned int default_alignment_max; 533 534 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 535 536 /* The desired alignment for this section (as a power of two). */ 537 unsigned int alignment_power; 538 }; 539 540 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 541 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 542 extern bfd_boolean _bfd_coff_link_hash_table_init 543 (struct coff_link_hash_table *, bfd *, 544 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 545 struct bfd_hash_table *, 546 const char *), 547 unsigned int); 548 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 549 (bfd *); 550 extern const char *_bfd_coff_internal_syment_name 551 (bfd *, const struct internal_syment *, char *); 552 extern bfd_boolean _bfd_coff_link_add_symbols 553 (bfd *, struct bfd_link_info *); 554 extern bfd_boolean _bfd_coff_final_link 555 (bfd *, struct bfd_link_info *); 556 extern struct internal_reloc *_bfd_coff_read_internal_relocs 557 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 558 struct internal_reloc *); 559 extern bfd_boolean _bfd_coff_generic_relocate_section 560 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 561 struct internal_reloc *, struct internal_syment *, asection **); 562 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 563 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 564 extern bfd_boolean _bfd_coff_write_global_sym 565 (struct coff_link_hash_entry *, void *); 566 extern bfd_boolean _bfd_coff_write_task_globals 567 (struct coff_link_hash_entry *, void *); 568 extern bfd_boolean _bfd_coff_link_input_bfd 569 (struct coff_final_link_info *, bfd *); 570 extern bfd_boolean _bfd_coff_reloc_link_order 571 (bfd *, struct coff_final_link_info *, asection *, 572 struct bfd_link_order *); 573 574 575 #define coff_get_section_contents_in_window \ 576 _bfd_generic_get_section_contents_in_window 577 578 /* Functions in xcofflink.c. */ 579 580 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 581 (bfd *); 582 extern long _bfd_xcoff_canonicalize_dynamic_symtab 583 (bfd *, asymbol **); 584 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 585 (bfd *); 586 extern long _bfd_xcoff_canonicalize_dynamic_reloc 587 (bfd *, arelent **, asymbol **); 588 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 589 (bfd *); 590 extern void _bfd_xcoff_bfd_link_hash_table_free 591 (struct bfd_link_hash_table *); 592 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 593 (bfd *, struct bfd_link_info *); 594 extern bfd_boolean _bfd_xcoff_bfd_final_link 595 (bfd *, struct bfd_link_info *); 596 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 597 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 598 struct internal_reloc *, struct internal_syment *, asection **); 599 600 /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the 601 linker, and so should start with bfd and be declared in bfd.h. */ 602 603 extern bfd_boolean ppc_allocate_toc_section 604 (struct bfd_link_info *); 605 extern bfd_boolean ppc_process_before_allocation 606 (bfd *, struct bfd_link_info *); 607 608 /* Extracted from coffcode.h. */ 609 typedef struct coff_ptr_struct 610 { 611 /* Remembers the offset from the first symbol in the file for 612 this symbol. Generated by coff_renumber_symbols. */ 613 unsigned int offset; 614 615 /* Should the value of this symbol be renumbered. Used for 616 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 617 unsigned int fix_value : 1; 618 619 /* Should the tag field of this symbol be renumbered. 620 Created by coff_pointerize_aux. */ 621 unsigned int fix_tag : 1; 622 623 /* Should the endidx field of this symbol be renumbered. 624 Created by coff_pointerize_aux. */ 625 unsigned int fix_end : 1; 626 627 /* Should the x_csect.x_scnlen field be renumbered. 628 Created by coff_pointerize_aux. */ 629 unsigned int fix_scnlen : 1; 630 631 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 632 index into the line number entries. Set by coff_slurp_symbol_table. */ 633 unsigned int fix_line : 1; 634 635 /* The container for the symbol structure as read and translated 636 from the file. */ 637 union 638 { 639 union internal_auxent auxent; 640 struct internal_syment syment; 641 } u; 642 } combined_entry_type; 643 644 645 /* Each canonical asymbol really looks like this: */ 646 647 typedef struct coff_symbol_struct 648 { 649 /* The actual symbol which the rest of BFD works with */ 650 asymbol symbol; 651 652 /* A pointer to the hidden information for this symbol */ 653 combined_entry_type *native; 654 655 /* A pointer to the linenumber information for this symbol */ 656 struct lineno_cache_entry *lineno; 657 658 /* Have the line numbers been relocated yet ? */ 659 bfd_boolean done_lineno; 660 } coff_symbol_type; 661 /* COFF symbol classifications. */ 662 663 enum coff_symbol_classification 664 { 665 /* Global symbol. */ 666 COFF_SYMBOL_GLOBAL, 667 /* Common symbol. */ 668 COFF_SYMBOL_COMMON, 669 /* Undefined symbol. */ 670 COFF_SYMBOL_UNDEFINED, 671 /* Local symbol. */ 672 COFF_SYMBOL_LOCAL, 673 /* PE section symbol. */ 674 COFF_SYMBOL_PE_SECTION 675 }; 676 677 typedef struct 678 { 679 void (*_bfd_coff_swap_aux_in) 680 (bfd *, void *, int, int, int, int, void *); 681 682 void (*_bfd_coff_swap_sym_in) 683 (bfd *, void *, void *); 684 685 void (*_bfd_coff_swap_lineno_in) 686 (bfd *, void *, void *); 687 688 unsigned int (*_bfd_coff_swap_aux_out) 689 (bfd *, void *, int, int, int, int, void *); 690 691 unsigned int (*_bfd_coff_swap_sym_out) 692 (bfd *, void *, void *); 693 694 unsigned int (*_bfd_coff_swap_lineno_out) 695 (bfd *, void *, void *); 696 697 unsigned int (*_bfd_coff_swap_reloc_out) 698 (bfd *, void *, void *); 699 700 unsigned int (*_bfd_coff_swap_filehdr_out) 701 (bfd *, void *, void *); 702 703 unsigned int (*_bfd_coff_swap_aouthdr_out) 704 (bfd *, void *, void *); 705 706 unsigned int (*_bfd_coff_swap_scnhdr_out) 707 (bfd *, void *, void *); 708 709 unsigned int _bfd_filhsz; 710 unsigned int _bfd_aoutsz; 711 unsigned int _bfd_scnhsz; 712 unsigned int _bfd_symesz; 713 unsigned int _bfd_auxesz; 714 unsigned int _bfd_relsz; 715 unsigned int _bfd_linesz; 716 unsigned int _bfd_filnmlen; 717 bfd_boolean _bfd_coff_long_filenames; 718 bfd_boolean _bfd_coff_long_section_names; 719 unsigned int _bfd_coff_default_section_alignment_power; 720 bfd_boolean _bfd_coff_force_symnames_in_strings; 721 unsigned int _bfd_coff_debug_string_prefix_length; 722 723 void (*_bfd_coff_swap_filehdr_in) 724 (bfd *, void *, void *); 725 726 void (*_bfd_coff_swap_aouthdr_in) 727 (bfd *, void *, void *); 728 729 void (*_bfd_coff_swap_scnhdr_in) 730 (bfd *, void *, void *); 731 732 void (*_bfd_coff_swap_reloc_in) 733 (bfd *abfd, void *, void *); 734 735 bfd_boolean (*_bfd_coff_bad_format_hook) 736 (bfd *, void *); 737 738 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 739 (bfd *, void *); 740 741 void * (*_bfd_coff_mkobject_hook) 742 (bfd *, void *, void *); 743 744 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 745 (bfd *, void *, const char *, asection *, flagword *); 746 747 void (*_bfd_set_alignment_hook) 748 (bfd *, asection *, void *); 749 750 bfd_boolean (*_bfd_coff_slurp_symbol_table) 751 (bfd *); 752 753 bfd_boolean (*_bfd_coff_symname_in_debug) 754 (bfd *, struct internal_syment *); 755 756 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 757 (bfd *, combined_entry_type *, combined_entry_type *, 758 unsigned int, combined_entry_type *); 759 760 bfd_boolean (*_bfd_coff_print_aux) 761 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 762 combined_entry_type *, unsigned int); 763 764 void (*_bfd_coff_reloc16_extra_cases) 765 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 766 bfd_byte *, unsigned int *, unsigned int *); 767 768 int (*_bfd_coff_reloc16_estimate) 769 (bfd *, asection *, arelent *, unsigned int, 770 struct bfd_link_info *); 771 772 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 773 (bfd *, struct internal_syment *); 774 775 bfd_boolean (*_bfd_coff_compute_section_file_positions) 776 (bfd *); 777 778 bfd_boolean (*_bfd_coff_start_final_link) 779 (bfd *, struct bfd_link_info *); 780 781 bfd_boolean (*_bfd_coff_relocate_section) 782 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 783 struct internal_reloc *, struct internal_syment *, asection **); 784 785 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 786 (bfd *, asection *, struct internal_reloc *, 787 struct coff_link_hash_entry *, struct internal_syment *, 788 bfd_vma *); 789 790 bfd_boolean (*_bfd_coff_adjust_symndx) 791 (bfd *, struct bfd_link_info *, bfd *, asection *, 792 struct internal_reloc *, bfd_boolean *); 793 794 bfd_boolean (*_bfd_coff_link_add_one_symbol) 795 (struct bfd_link_info *, bfd *, const char *, flagword, 796 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 797 struct bfd_link_hash_entry **); 798 799 bfd_boolean (*_bfd_coff_link_output_has_begun) 800 (bfd *, struct coff_final_link_info *); 801 802 bfd_boolean (*_bfd_coff_final_link_postscript) 803 (bfd *, struct coff_final_link_info *); 804 805 bfd_boolean (*_bfd_coff_print_pdata) 806 (bfd *, void *); 807 808 } bfd_coff_backend_data; 809 810 #define coff_backend_info(abfd) \ 811 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 812 813 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 814 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 815 816 #define bfd_coff_swap_sym_in(a,e,i) \ 817 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 818 819 #define bfd_coff_swap_lineno_in(a,e,i) \ 820 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 821 822 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 823 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 824 825 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 826 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 827 828 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 829 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 830 831 #define bfd_coff_swap_sym_out(abfd, i,o) \ 832 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 833 834 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 835 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 836 837 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 838 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 839 840 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 841 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 842 843 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 844 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 845 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 846 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 847 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 848 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 849 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 850 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 851 #define bfd_coff_long_filenames(abfd) \ 852 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 853 #define bfd_coff_long_section_names(abfd) \ 854 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 855 #define bfd_coff_default_section_alignment_power(abfd) \ 856 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 857 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 858 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 859 860 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 861 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 862 863 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 864 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 865 866 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 867 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 868 869 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 870 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 871 872 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 873 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 874 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 875 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 876 (abfd, filehdr, aouthdr)) 877 878 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 879 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 880 (abfd, scnhdr, name, section, flags_ptr)) 881 882 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 883 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 884 885 #define bfd_coff_slurp_symbol_table(abfd)\ 886 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 887 888 #define bfd_coff_symname_in_debug(abfd, sym)\ 889 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 890 891 #define bfd_coff_force_symnames_in_strings(abfd)\ 892 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 893 894 #define bfd_coff_debug_string_prefix_length(abfd)\ 895 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 896 897 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 898 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 899 (abfd, file, base, symbol, aux, indaux)) 900 901 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 902 reloc, data, src_ptr, dst_ptr)\ 903 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 904 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 905 906 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 907 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 908 (abfd, section, reloc, shrink, link_info)) 909 910 #define bfd_coff_classify_symbol(abfd, sym)\ 911 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 912 (abfd, sym)) 913 914 #define bfd_coff_compute_section_file_positions(abfd)\ 915 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 916 (abfd)) 917 918 #define bfd_coff_start_final_link(obfd, info)\ 919 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 920 (obfd, info)) 921 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 922 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 923 (obfd, info, ibfd, o, con, rel, isyms, secs)) 924 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 925 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 926 (abfd, sec, rel, h, sym, addendp)) 927 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 928 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 929 (obfd, info, ibfd, sec, rel, adjustedp)) 930 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 931 value, string, cp, coll, hashp)\ 932 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 933 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 934 935 #define bfd_coff_link_output_has_begun(a,p) \ 936 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 937 #define bfd_coff_final_link_postscript(a,p) \ 938 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 939 940 #define bfd_coff_have_print_pdata(a) \ 941 (coff_backend_info (a)->_bfd_coff_print_pdata) 942 #define bfd_coff_print_pdata(a,p) \ 943 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 944 945