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