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, 2009 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-stgo32 EXE stub header after BFD tdata has been allocated. Its data 114 is kept in internal_filehdr.go32stub beforehand. */ 115 char *go32stub; 116 } coff_data_type; 117 118 /* Tdata for pe image files. */ 119 typedef struct pe_tdata 120 { 121 coff_data_type coff; 122 struct internal_extra_pe_aouthdr pe_opthdr; 123 int dll; 124 int has_reloc_section; 125 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); 126 flagword real_flags; 127 } pe_data_type; 128 129 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 130 131 /* Tdata for XCOFF files. */ 132 133 struct xcoff_tdata 134 { 135 /* Basic COFF information. */ 136 coff_data_type coff; 137 138 /* TRUE if this is an XCOFF64 file. */ 139 bfd_boolean xcoff64; 140 141 /* TRUE if a large a.out header should be generated. */ 142 bfd_boolean full_aouthdr; 143 144 /* TOC value. */ 145 bfd_vma toc; 146 147 /* Index of section holding TOC. */ 148 int sntoc; 149 150 /* Index of section holding entry point. */ 151 int snentry; 152 153 /* .text alignment from optional header. */ 154 int text_align_power; 155 156 /* .data alignment from optional header. */ 157 int data_align_power; 158 159 /* modtype from optional header. */ 160 short modtype; 161 162 /* cputype from optional header. */ 163 short cputype; 164 165 /* maxdata from optional header. */ 166 bfd_vma maxdata; 167 168 /* maxstack from optional header. */ 169 bfd_vma maxstack; 170 171 /* Used by the XCOFF backend linker. */ 172 asection **csects; 173 long *debug_indices; 174 unsigned int *lineno_counts; 175 unsigned int import_file_id; 176 }; 177 178 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 179 180 /* We take the address of the first element of an asymbol to ensure that the 181 macro is only ever applied to an asymbol. */ 182 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 183 184 /* The used_by_bfd field of a section may be set to a pointer to this 185 structure. */ 186 187 struct coff_section_tdata 188 { 189 /* The relocs, swapped into COFF internal form. This may be NULL. */ 190 struct internal_reloc *relocs; 191 /* If this is TRUE, the relocs entry may not be freed. */ 192 bfd_boolean keep_relocs; 193 /* The section contents. This may be NULL. */ 194 bfd_byte *contents; 195 /* If this is TRUE, the contents entry may not be freed. */ 196 bfd_boolean keep_contents; 197 /* Information cached by coff_find_nearest_line. */ 198 bfd_vma offset; 199 unsigned int i; 200 const char *function; 201 /* Optional information about a COMDAT entry; NULL if not COMDAT. */ 202 struct coff_comdat_info *comdat; 203 int line_base; 204 /* A pointer used for .stab linking optimizations. */ 205 void * stab_info; 206 /* Available for individual backends. */ 207 void * tdata; 208 }; 209 210 /* An accessor macro for the coff_section_tdata structure. */ 211 #define coff_section_data(abfd, sec) \ 212 ((struct coff_section_tdata *) (sec)->used_by_bfd) 213 214 /* Tdata for sections in XCOFF files. This is used by the linker. */ 215 216 struct xcoff_section_tdata 217 { 218 /* Used for XCOFF csects created by the linker; points to the real 219 XCOFF section which contains this csect. */ 220 asection *enclosing; 221 /* The lineno_count field for the enclosing section, because we are 222 going to clobber it there. */ 223 unsigned int lineno_count; 224 /* The first and last symbol indices for symbols used by this csect. */ 225 unsigned long first_symndx; 226 unsigned long last_symndx; 227 }; 228 229 /* An accessor macro the xcoff_section_tdata structure. */ 230 #define xcoff_section_data(abfd, sec) \ 231 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 232 233 /* Tdata for sections in PE files. */ 234 235 struct pei_section_tdata 236 { 237 /* The virtual size of the section. */ 238 bfd_size_type virt_size; 239 /* The PE section flags. */ 240 long pe_flags; 241 }; 242 243 /* An accessor macro for the pei_section_tdata structure. */ 244 #define pei_section_data(abfd, sec) \ 245 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 246 247 /* COFF linker hash table entries. */ 248 249 struct coff_link_hash_entry 250 { 251 struct bfd_link_hash_entry root; 252 253 /* Symbol index in output file. Set to -1 initially. Set to -2 if 254 there is a reloc against this symbol. */ 255 long indx; 256 257 /* Symbol type. */ 258 unsigned short type; 259 260 /* Symbol class. */ 261 unsigned char symbol_class; 262 263 /* Number of auxiliary entries. */ 264 char numaux; 265 266 /* BFD to take auxiliary entries from. */ 267 bfd *auxbfd; 268 269 /* Pointer to array of auxiliary entries, if any. */ 270 union internal_auxent *aux; 271 272 /* Flag word; legal values follow. */ 273 unsigned short coff_link_hash_flags; 274 /* Symbol is a PE section symbol. */ 275 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 276 }; 277 278 /* COFF linker hash table. */ 279 280 struct coff_link_hash_table 281 { 282 struct bfd_link_hash_table root; 283 /* A pointer to information used to link stabs in sections. */ 284 struct stab_info stab_info; 285 }; 286 287 /* Look up an entry in a COFF linker hash table. */ 288 289 #define coff_link_hash_lookup(table, string, create, copy, follow) \ 290 ((struct coff_link_hash_entry *) \ 291 bfd_link_hash_lookup (&(table)->root, (string), (create), \ 292 (copy), (follow))) 293 294 /* Traverse a COFF linker hash table. */ 295 296 #define coff_link_hash_traverse(table, func, info) \ 297 (bfd_link_hash_traverse \ 298 (&(table)->root, \ 299 (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ 300 (info))) 301 302 /* Get the COFF linker hash table from a link_info structure. */ 303 304 #define coff_hash_table(p) ((struct coff_link_hash_table *) ((p)->hash)) 305 306 /* Functions in coffgen.c. */ 307 extern const bfd_target *coff_object_p 308 (bfd *); 309 extern struct bfd_section *coff_section_from_bfd_index 310 (bfd *, int); 311 extern long coff_get_symtab_upper_bound 312 (bfd *); 313 extern long coff_canonicalize_symtab 314 (bfd *, asymbol **); 315 extern int coff_count_linenumbers 316 (bfd *); 317 extern struct coff_symbol_struct *coff_symbol_from 318 (bfd *, asymbol *); 319 extern bfd_boolean coff_renumber_symbols 320 (bfd *, int *); 321 extern void coff_mangle_symbols 322 (bfd *); 323 extern bfd_boolean coff_write_symbols 324 (bfd *); 325 extern bfd_boolean coff_write_linenumbers 326 (bfd *); 327 extern alent *coff_get_lineno 328 (bfd *, asymbol *); 329 extern asymbol *coff_section_symbol 330 (bfd *, char *); 331 extern bfd_boolean _bfd_coff_get_external_symbols 332 (bfd *); 333 extern const char *_bfd_coff_read_string_table 334 (bfd *); 335 extern bfd_boolean _bfd_coff_free_symbols 336 (bfd *); 337 extern struct coff_ptr_struct *coff_get_normalized_symtab 338 (bfd *); 339 extern long coff_get_reloc_upper_bound 340 (bfd *, sec_ptr); 341 extern asymbol *coff_make_empty_symbol 342 (bfd *); 343 extern void coff_print_symbol 344 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 345 extern void coff_get_symbol_info 346 (bfd *, asymbol *, symbol_info *ret); 347 extern bfd_boolean _bfd_coff_is_local_label_name 348 (bfd *, const char *); 349 extern asymbol *coff_bfd_make_debug_symbol 350 (bfd *, void *, unsigned long); 351 extern bfd_boolean coff_find_nearest_line 352 (bfd *, asection *, asymbol **, bfd_vma, const char **, 353 const char **, unsigned int *); 354 extern bfd_boolean coff_find_inliner_info 355 (bfd *, const char **, const char **, unsigned int *); 356 extern int coff_sizeof_headers 357 (bfd *, struct bfd_link_info *); 358 extern bfd_boolean bfd_coff_reloc16_relax_section 359 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 360 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 361 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 362 bfd_byte *, bfd_boolean, asymbol **); 363 extern bfd_vma bfd_coff_reloc16_get_value 364 (arelent *, struct bfd_link_info *, asection *); 365 extern void bfd_perform_slip 366 (bfd *, unsigned int, asection *, bfd_vma); 367 368 /* Functions and types in cofflink.c. */ 369 370 #define STRING_SIZE_SIZE 4 371 372 /* We use a hash table to merge identical enum, struct, and union 373 definitions in the linker. */ 374 375 /* Information we keep for a single element (an enum value, a 376 structure or union field) in the debug merge hash table. */ 377 378 struct coff_debug_merge_element 379 { 380 /* Next element. */ 381 struct coff_debug_merge_element *next; 382 383 /* Name. */ 384 const char *name; 385 386 /* Type. */ 387 unsigned int type; 388 389 /* Symbol index for complex type. */ 390 long tagndx; 391 }; 392 393 /* A linked list of debug merge entries for a given name. */ 394 395 struct coff_debug_merge_type 396 { 397 /* Next type with the same name. */ 398 struct coff_debug_merge_type *next; 399 400 /* Class of type. */ 401 int type_class; 402 403 /* Symbol index where this type is defined. */ 404 long indx; 405 406 /* List of elements. */ 407 struct coff_debug_merge_element *elements; 408 }; 409 410 /* Information we store in the debug merge hash table. */ 411 412 struct coff_debug_merge_hash_entry 413 { 414 struct bfd_hash_entry root; 415 416 /* A list of types with this name. */ 417 struct coff_debug_merge_type *types; 418 }; 419 420 /* The debug merge hash table. */ 421 422 struct coff_debug_merge_hash_table 423 { 424 struct bfd_hash_table root; 425 }; 426 427 /* Initialize a COFF debug merge hash table. */ 428 429 #define coff_debug_merge_hash_table_init(table) \ 430 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 431 sizeof (struct coff_debug_merge_hash_entry))) 432 433 /* Free a COFF debug merge hash table. */ 434 435 #define coff_debug_merge_hash_table_free(table) \ 436 (bfd_hash_table_free (&(table)->root)) 437 438 /* Look up an entry in a COFF debug merge hash table. */ 439 440 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 441 ((struct coff_debug_merge_hash_entry *) \ 442 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 443 444 /* Information we keep for each section in the output file when doing 445 a relocatable link. */ 446 447 struct coff_link_section_info 448 { 449 /* The relocs to be output. */ 450 struct internal_reloc *relocs; 451 /* For each reloc against a global symbol whose index was not known 452 when the reloc was handled, the global hash table entry. */ 453 struct coff_link_hash_entry **rel_hashes; 454 }; 455 456 /* Information that we pass around while doing the final link step. */ 457 458 struct coff_final_link_info 459 { 460 /* General link information. */ 461 struct bfd_link_info *info; 462 /* Output BFD. */ 463 bfd *output_bfd; 464 /* Used to indicate failure in traversal routine. */ 465 bfd_boolean failed; 466 /* If doing "task linking" set only during the time when we want the 467 global symbol writer to convert the storage class of defined global 468 symbols from global to static. */ 469 bfd_boolean global_to_static; 470 /* Hash table for long symbol names. */ 471 struct bfd_strtab_hash *strtab; 472 /* When doing a relocatable link, an array of information kept for 473 each output section, indexed by the target_index field. */ 474 struct coff_link_section_info *section_info; 475 /* Symbol index of last C_FILE symbol (-1 if none). */ 476 long last_file_index; 477 /* Contents of last C_FILE symbol. */ 478 struct internal_syment last_file; 479 /* Symbol index of first aux entry of last .bf symbol with an empty 480 endndx field (-1 if none). */ 481 long last_bf_index; 482 /* Contents of last_bf_index aux entry. */ 483 union internal_auxent last_bf; 484 /* Hash table used to merge debug information. */ 485 struct coff_debug_merge_hash_table debug_merge; 486 /* Buffer large enough to hold swapped symbols of any input file. */ 487 struct internal_syment *internal_syms; 488 /* Buffer large enough to hold sections of symbols of any input file. */ 489 asection **sec_ptrs; 490 /* Buffer large enough to hold output indices of symbols of any 491 input file. */ 492 long *sym_indices; 493 /* Buffer large enough to hold output symbols for any input file. */ 494 bfd_byte *outsyms; 495 /* Buffer large enough to hold external line numbers for any input 496 section. */ 497 bfd_byte *linenos; 498 /* Buffer large enough to hold any input section. */ 499 bfd_byte *contents; 500 /* Buffer large enough to hold external relocs of any input section. */ 501 bfd_byte *external_relocs; 502 /* Buffer large enough to hold swapped relocs of any input section. */ 503 struct internal_reloc *internal_relocs; 504 }; 505 506 /* Most COFF variants have no way to record the alignment of a 507 section. This struct is used to set a specific alignment based on 508 the name of the section. */ 509 510 struct coff_section_alignment_entry 511 { 512 /* The section name. */ 513 const char *name; 514 515 /* This is either (unsigned int) -1, indicating that the section 516 name must match exactly, or it is the number of letters which 517 must match at the start of the name. */ 518 unsigned int comparison_length; 519 520 /* These macros may be used to fill in the first two fields in a 521 structure initialization. */ 522 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 523 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 524 525 /* Only use this entry if the default section alignment for this 526 target is at least that much (as a power of two). If this field 527 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 528 unsigned int default_alignment_min; 529 530 /* Only use this entry if the default section alignment for this 531 target is no greater than this (as a power of two). If this 532 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 533 unsigned int default_alignment_max; 534 535 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 536 537 /* The desired alignment for this section (as a power of two). */ 538 unsigned int alignment_power; 539 }; 540 541 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 542 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 543 extern bfd_boolean _bfd_coff_link_hash_table_init 544 (struct coff_link_hash_table *, bfd *, 545 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 546 struct bfd_hash_table *, 547 const char *), 548 unsigned int); 549 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 550 (bfd *); 551 extern const char *_bfd_coff_internal_syment_name 552 (bfd *, const struct internal_syment *, char *); 553 extern bfd_boolean _bfd_coff_link_add_symbols 554 (bfd *, struct bfd_link_info *); 555 extern bfd_boolean _bfd_coff_final_link 556 (bfd *, struct bfd_link_info *); 557 extern struct internal_reloc *_bfd_coff_read_internal_relocs 558 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 559 struct internal_reloc *); 560 extern bfd_boolean _bfd_coff_generic_relocate_section 561 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 562 struct internal_reloc *, struct internal_syment *, asection **); 563 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 564 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 565 extern bfd_boolean _bfd_coff_write_global_sym 566 (struct coff_link_hash_entry *, void *); 567 extern bfd_boolean _bfd_coff_write_task_globals 568 (struct coff_link_hash_entry *, void *); 569 extern bfd_boolean _bfd_coff_link_input_bfd 570 (struct coff_final_link_info *, bfd *); 571 extern bfd_boolean _bfd_coff_reloc_link_order 572 (bfd *, struct coff_final_link_info *, asection *, 573 struct bfd_link_order *); 574 575 576 #define coff_get_section_contents_in_window \ 577 _bfd_generic_get_section_contents_in_window 578 579 /* Functions in xcofflink.c. */ 580 581 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 582 (bfd *); 583 extern long _bfd_xcoff_canonicalize_dynamic_symtab 584 (bfd *, asymbol **); 585 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 586 (bfd *); 587 extern long _bfd_xcoff_canonicalize_dynamic_reloc 588 (bfd *, arelent **, asymbol **); 589 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 590 (bfd *); 591 extern void _bfd_xcoff_bfd_link_hash_table_free 592 (struct bfd_link_hash_table *); 593 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 594 (bfd *, struct bfd_link_info *); 595 extern bfd_boolean _bfd_xcoff_bfd_final_link 596 (bfd *, struct bfd_link_info *); 597 extern bfd_boolean _bfd_xcoff_define_common_symbol 598 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 599 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 600 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 601 struct internal_reloc *, struct internal_syment *, asection **); 602 603 /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the 604 linker, and so should start with bfd and be declared in bfd.h. */ 605 606 extern bfd_boolean ppc_allocate_toc_section 607 (struct bfd_link_info *); 608 extern bfd_boolean ppc_process_before_allocation 609 (bfd *, struct bfd_link_info *); 610 /* Extracted from coffcode.h. */ 611 typedef struct coff_ptr_struct 612 { 613 /* Remembers the offset from the first symbol in the file for 614 this symbol. Generated by coff_renumber_symbols. */ 615 unsigned int offset; 616 617 /* Should the value of this symbol be renumbered. Used for 618 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 619 unsigned int fix_value : 1; 620 621 /* Should the tag field of this symbol be renumbered. 622 Created by coff_pointerize_aux. */ 623 unsigned int fix_tag : 1; 624 625 /* Should the endidx field of this symbol be renumbered. 626 Created by coff_pointerize_aux. */ 627 unsigned int fix_end : 1; 628 629 /* Should the x_csect.x_scnlen field be renumbered. 630 Created by coff_pointerize_aux. */ 631 unsigned int fix_scnlen : 1; 632 633 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 634 index into the line number entries. Set by coff_slurp_symbol_table. */ 635 unsigned int fix_line : 1; 636 637 /* The container for the symbol structure as read and translated 638 from the file. */ 639 union 640 { 641 union internal_auxent auxent; 642 struct internal_syment syment; 643 } u; 644 } combined_entry_type; 645 646 647 /* Each canonical asymbol really looks like this: */ 648 649 typedef struct coff_symbol_struct 650 { 651 /* The actual symbol which the rest of BFD works with */ 652 asymbol symbol; 653 654 /* A pointer to the hidden information for this symbol */ 655 combined_entry_type *native; 656 657 /* A pointer to the linenumber information for this symbol */ 658 struct lineno_cache_entry *lineno; 659 660 /* Have the line numbers been relocated yet ? */ 661 bfd_boolean done_lineno; 662 } coff_symbol_type; 663 /* COFF symbol classifications. */ 664 665 enum coff_symbol_classification 666 { 667 /* Global symbol. */ 668 COFF_SYMBOL_GLOBAL, 669 /* Common symbol. */ 670 COFF_SYMBOL_COMMON, 671 /* Undefined symbol. */ 672 COFF_SYMBOL_UNDEFINED, 673 /* Local symbol. */ 674 COFF_SYMBOL_LOCAL, 675 /* PE section symbol. */ 676 COFF_SYMBOL_PE_SECTION 677 }; 678 679 typedef struct 680 { 681 void (*_bfd_coff_swap_aux_in) 682 (bfd *, void *, int, int, int, int, void *); 683 684 void (*_bfd_coff_swap_sym_in) 685 (bfd *, void *, void *); 686 687 void (*_bfd_coff_swap_lineno_in) 688 (bfd *, void *, void *); 689 690 unsigned int (*_bfd_coff_swap_aux_out) 691 (bfd *, void *, int, int, int, int, void *); 692 693 unsigned int (*_bfd_coff_swap_sym_out) 694 (bfd *, void *, void *); 695 696 unsigned int (*_bfd_coff_swap_lineno_out) 697 (bfd *, void *, void *); 698 699 unsigned int (*_bfd_coff_swap_reloc_out) 700 (bfd *, void *, void *); 701 702 unsigned int (*_bfd_coff_swap_filehdr_out) 703 (bfd *, void *, void *); 704 705 unsigned int (*_bfd_coff_swap_aouthdr_out) 706 (bfd *, void *, void *); 707 708 unsigned int (*_bfd_coff_swap_scnhdr_out) 709 (bfd *, void *, void *); 710 711 unsigned int _bfd_filhsz; 712 unsigned int _bfd_aoutsz; 713 unsigned int _bfd_scnhsz; 714 unsigned int _bfd_symesz; 715 unsigned int _bfd_auxesz; 716 unsigned int _bfd_relsz; 717 unsigned int _bfd_linesz; 718 unsigned int _bfd_filnmlen; 719 bfd_boolean _bfd_coff_long_filenames; 720 721 bfd_boolean _bfd_coff_long_section_names; 722 bfd_boolean (*_bfd_coff_set_long_section_names) 723 (bfd *, int); 724 725 unsigned int _bfd_coff_default_section_alignment_power; 726 bfd_boolean _bfd_coff_force_symnames_in_strings; 727 unsigned int _bfd_coff_debug_string_prefix_length; 728 729 void (*_bfd_coff_swap_filehdr_in) 730 (bfd *, void *, void *); 731 732 void (*_bfd_coff_swap_aouthdr_in) 733 (bfd *, void *, void *); 734 735 void (*_bfd_coff_swap_scnhdr_in) 736 (bfd *, void *, void *); 737 738 void (*_bfd_coff_swap_reloc_in) 739 (bfd *abfd, void *, void *); 740 741 bfd_boolean (*_bfd_coff_bad_format_hook) 742 (bfd *, void *); 743 744 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 745 (bfd *, void *); 746 747 void * (*_bfd_coff_mkobject_hook) 748 (bfd *, void *, void *); 749 750 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 751 (bfd *, void *, const char *, asection *, flagword *); 752 753 void (*_bfd_set_alignment_hook) 754 (bfd *, asection *, void *); 755 756 bfd_boolean (*_bfd_coff_slurp_symbol_table) 757 (bfd *); 758 759 bfd_boolean (*_bfd_coff_symname_in_debug) 760 (bfd *, struct internal_syment *); 761 762 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 763 (bfd *, combined_entry_type *, combined_entry_type *, 764 unsigned int, combined_entry_type *); 765 766 bfd_boolean (*_bfd_coff_print_aux) 767 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 768 combined_entry_type *, unsigned int); 769 770 void (*_bfd_coff_reloc16_extra_cases) 771 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 772 bfd_byte *, unsigned int *, unsigned int *); 773 774 int (*_bfd_coff_reloc16_estimate) 775 (bfd *, asection *, arelent *, unsigned int, 776 struct bfd_link_info *); 777 778 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 779 (bfd *, struct internal_syment *); 780 781 bfd_boolean (*_bfd_coff_compute_section_file_positions) 782 (bfd *); 783 784 bfd_boolean (*_bfd_coff_start_final_link) 785 (bfd *, struct bfd_link_info *); 786 787 bfd_boolean (*_bfd_coff_relocate_section) 788 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 789 struct internal_reloc *, struct internal_syment *, asection **); 790 791 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 792 (bfd *, asection *, struct internal_reloc *, 793 struct coff_link_hash_entry *, struct internal_syment *, 794 bfd_vma *); 795 796 bfd_boolean (*_bfd_coff_adjust_symndx) 797 (bfd *, struct bfd_link_info *, bfd *, asection *, 798 struct internal_reloc *, bfd_boolean *); 799 800 bfd_boolean (*_bfd_coff_link_add_one_symbol) 801 (struct bfd_link_info *, bfd *, const char *, flagword, 802 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 803 struct bfd_link_hash_entry **); 804 805 bfd_boolean (*_bfd_coff_link_output_has_begun) 806 (bfd *, struct coff_final_link_info *); 807 808 bfd_boolean (*_bfd_coff_final_link_postscript) 809 (bfd *, struct coff_final_link_info *); 810 811 bfd_boolean (*_bfd_coff_print_pdata) 812 (bfd *, void *); 813 814 } bfd_coff_backend_data; 815 816 #define coff_backend_info(abfd) \ 817 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 818 819 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 820 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 821 822 #define bfd_coff_swap_sym_in(a,e,i) \ 823 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 824 825 #define bfd_coff_swap_lineno_in(a,e,i) \ 826 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 827 828 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 829 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 830 831 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 832 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 833 834 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 835 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 836 837 #define bfd_coff_swap_sym_out(abfd, i,o) \ 838 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 839 840 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 841 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 842 843 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 844 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 845 846 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 847 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 848 849 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 850 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 851 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 852 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 853 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 854 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 855 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 856 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 857 #define bfd_coff_long_filenames(abfd) \ 858 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 859 #define bfd_coff_long_section_names(abfd) \ 860 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 861 #define bfd_coff_set_long_section_names(abfd, enable) \ 862 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 863 #define bfd_coff_default_section_alignment_power(abfd) \ 864 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 865 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 866 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 867 868 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 869 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 870 871 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 872 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 873 874 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 875 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 876 877 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 878 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 879 880 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 881 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 882 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 883 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 884 (abfd, filehdr, aouthdr)) 885 886 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 887 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 888 (abfd, scnhdr, name, section, flags_ptr)) 889 890 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 891 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 892 893 #define bfd_coff_slurp_symbol_table(abfd)\ 894 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 895 896 #define bfd_coff_symname_in_debug(abfd, sym)\ 897 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 898 899 #define bfd_coff_force_symnames_in_strings(abfd)\ 900 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 901 902 #define bfd_coff_debug_string_prefix_length(abfd)\ 903 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 904 905 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 906 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 907 (abfd, file, base, symbol, aux, indaux)) 908 909 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 910 reloc, data, src_ptr, dst_ptr)\ 911 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 912 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 913 914 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 915 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 916 (abfd, section, reloc, shrink, link_info)) 917 918 #define bfd_coff_classify_symbol(abfd, sym)\ 919 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 920 (abfd, sym)) 921 922 #define bfd_coff_compute_section_file_positions(abfd)\ 923 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 924 (abfd)) 925 926 #define bfd_coff_start_final_link(obfd, info)\ 927 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 928 (obfd, info)) 929 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 930 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 931 (obfd, info, ibfd, o, con, rel, isyms, secs)) 932 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 933 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 934 (abfd, sec, rel, h, sym, addendp)) 935 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 936 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 937 (obfd, info, ibfd, sec, rel, adjustedp)) 938 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 939 value, string, cp, coll, hashp)\ 940 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 941 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 942 943 #define bfd_coff_link_output_has_begun(a,p) \ 944 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 945 #define bfd_coff_final_link_postscript(a,p) \ 946 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 947 948 #define bfd_coff_have_print_pdata(a) \ 949 (coff_backend_info (a)->_bfd_coff_print_pdata) 950 #define bfd_coff_print_pdata(a,p) \ 951 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 952 953 /* Macro: Returns true if the bfd is a PE executable as opposed to a 954 PE object file. */ 955 #define bfd_pei_p(abfd) \ 956 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 957