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