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, 2010, 2011 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 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-stgo32 EXE stub header after BFD tdata has been allocated. Its data 113 is kept in internal_filehdr.go32stub beforehand. */ 114 char *go32stub; 115 } coff_data_type; 116 117 /* Tdata for pe image files. */ 118 typedef struct pe_tdata 119 { 120 coff_data_type coff; 121 struct internal_extra_pe_aouthdr pe_opthdr; 122 int dll; 123 int has_reloc_section; 124 int dont_strip_reloc; 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_alien_symbol 326 (bfd *, asymbol *, struct internal_syment *, bfd_vma *, 327 bfd_size_type *, asection **, bfd_size_type *); 328 extern bfd_boolean coff_write_linenumbers 329 (bfd *); 330 extern alent *coff_get_lineno 331 (bfd *, asymbol *); 332 extern asymbol *coff_section_symbol 333 (bfd *, char *); 334 extern bfd_boolean _bfd_coff_get_external_symbols 335 (bfd *); 336 extern const char *_bfd_coff_read_string_table 337 (bfd *); 338 extern bfd_boolean _bfd_coff_free_symbols 339 (bfd *); 340 extern struct coff_ptr_struct *coff_get_normalized_symtab 341 (bfd *); 342 extern long coff_get_reloc_upper_bound 343 (bfd *, sec_ptr); 344 extern asymbol *coff_make_empty_symbol 345 (bfd *); 346 extern void coff_print_symbol 347 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 348 extern void coff_get_symbol_info 349 (bfd *, asymbol *, symbol_info *ret); 350 extern bfd_boolean _bfd_coff_is_local_label_name 351 (bfd *, const char *); 352 extern asymbol *coff_bfd_make_debug_symbol 353 (bfd *, void *, unsigned long); 354 extern bfd_boolean coff_find_nearest_line 355 (bfd *, asection *, asymbol **, bfd_vma, const char **, 356 const char **, unsigned int *); 357 struct dwarf_debug_section; 358 extern bfd_boolean coff_find_nearest_line_with_names 359 (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, 360 bfd_vma, const char **, const char **, unsigned int *); 361 extern bfd_boolean coff_find_inliner_info 362 (bfd *, const char **, const char **, unsigned int *); 363 extern int coff_sizeof_headers 364 (bfd *, struct bfd_link_info *); 365 extern bfd_boolean bfd_coff_reloc16_relax_section 366 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 367 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 368 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 369 bfd_byte *, bfd_boolean, asymbol **); 370 extern bfd_vma bfd_coff_reloc16_get_value 371 (arelent *, struct bfd_link_info *, asection *); 372 extern void bfd_perform_slip 373 (bfd *, unsigned int, asection *, bfd_vma); 374 375 /* Functions and types in cofflink.c. */ 376 377 #define STRING_SIZE_SIZE 4 378 379 /* We use a hash table to merge identical enum, struct, and union 380 definitions in the linker. */ 381 382 /* Information we keep for a single element (an enum value, a 383 structure or union field) in the debug merge hash table. */ 384 385 struct coff_debug_merge_element 386 { 387 /* Next element. */ 388 struct coff_debug_merge_element *next; 389 390 /* Name. */ 391 const char *name; 392 393 /* Type. */ 394 unsigned int type; 395 396 /* Symbol index for complex type. */ 397 long tagndx; 398 }; 399 400 /* A linked list of debug merge entries for a given name. */ 401 402 struct coff_debug_merge_type 403 { 404 /* Next type with the same name. */ 405 struct coff_debug_merge_type *next; 406 407 /* Class of type. */ 408 int type_class; 409 410 /* Symbol index where this type is defined. */ 411 long indx; 412 413 /* List of elements. */ 414 struct coff_debug_merge_element *elements; 415 }; 416 417 /* Information we store in the debug merge hash table. */ 418 419 struct coff_debug_merge_hash_entry 420 { 421 struct bfd_hash_entry root; 422 423 /* A list of types with this name. */ 424 struct coff_debug_merge_type *types; 425 }; 426 427 /* The debug merge hash table. */ 428 429 struct coff_debug_merge_hash_table 430 { 431 struct bfd_hash_table root; 432 }; 433 434 /* Initialize a COFF debug merge hash table. */ 435 436 #define coff_debug_merge_hash_table_init(table) \ 437 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 438 sizeof (struct coff_debug_merge_hash_entry))) 439 440 /* Free a COFF debug merge hash table. */ 441 442 #define coff_debug_merge_hash_table_free(table) \ 443 (bfd_hash_table_free (&(table)->root)) 444 445 /* Look up an entry in a COFF debug merge hash table. */ 446 447 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 448 ((struct coff_debug_merge_hash_entry *) \ 449 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 450 451 /* Information we keep for each section in the output file when doing 452 a relocatable link. */ 453 454 struct coff_link_section_info 455 { 456 /* The relocs to be output. */ 457 struct internal_reloc *relocs; 458 /* For each reloc against a global symbol whose index was not known 459 when the reloc was handled, the global hash table entry. */ 460 struct coff_link_hash_entry **rel_hashes; 461 }; 462 463 /* Information that we pass around while doing the final link step. */ 464 465 struct coff_final_link_info 466 { 467 /* General link information. */ 468 struct bfd_link_info *info; 469 /* Output BFD. */ 470 bfd *output_bfd; 471 /* Used to indicate failure in traversal routine. */ 472 bfd_boolean failed; 473 /* If doing "task linking" set only during the time when we want the 474 global symbol writer to convert the storage class of defined global 475 symbols from global to static. */ 476 bfd_boolean global_to_static; 477 /* Hash table for long symbol names. */ 478 struct bfd_strtab_hash *strtab; 479 /* When doing a relocatable link, an array of information kept for 480 each output section, indexed by the target_index field. */ 481 struct coff_link_section_info *section_info; 482 /* Symbol index of last C_FILE symbol (-1 if none). */ 483 long last_file_index; 484 /* Contents of last C_FILE symbol. */ 485 struct internal_syment last_file; 486 /* Symbol index of first aux entry of last .bf symbol with an empty 487 endndx field (-1 if none). */ 488 long last_bf_index; 489 /* Contents of last_bf_index aux entry. */ 490 union internal_auxent last_bf; 491 /* Hash table used to merge debug information. */ 492 struct coff_debug_merge_hash_table debug_merge; 493 /* Buffer large enough to hold swapped symbols of any input file. */ 494 struct internal_syment *internal_syms; 495 /* Buffer large enough to hold sections of symbols of any input file. */ 496 asection **sec_ptrs; 497 /* Buffer large enough to hold output indices of symbols of any 498 input file. */ 499 long *sym_indices; 500 /* Buffer large enough to hold output symbols for any input file. */ 501 bfd_byte *outsyms; 502 /* Buffer large enough to hold external line numbers for any input 503 section. */ 504 bfd_byte *linenos; 505 /* Buffer large enough to hold any input section. */ 506 bfd_byte *contents; 507 /* Buffer large enough to hold external relocs of any input section. */ 508 bfd_byte *external_relocs; 509 /* Buffer large enough to hold swapped relocs of any input section. */ 510 struct internal_reloc *internal_relocs; 511 }; 512 513 /* Most COFF variants have no way to record the alignment of a 514 section. This struct is used to set a specific alignment based on 515 the name of the section. */ 516 517 struct coff_section_alignment_entry 518 { 519 /* The section name. */ 520 const char *name; 521 522 /* This is either (unsigned int) -1, indicating that the section 523 name must match exactly, or it is the number of letters which 524 must match at the start of the name. */ 525 unsigned int comparison_length; 526 527 /* These macros may be used to fill in the first two fields in a 528 structure initialization. */ 529 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 530 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 531 532 /* Only use this entry if the default section alignment for this 533 target is at least that much (as a power of two). If this field 534 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 535 unsigned int default_alignment_min; 536 537 /* Only use this entry if the default section alignment for this 538 target is no greater than this (as a power of two). If this 539 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 540 unsigned int default_alignment_max; 541 542 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 543 544 /* The desired alignment for this section (as a power of two). */ 545 unsigned int alignment_power; 546 }; 547 548 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 549 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 550 extern bfd_boolean _bfd_coff_link_hash_table_init 551 (struct coff_link_hash_table *, bfd *, 552 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 553 struct bfd_hash_table *, 554 const char *), 555 unsigned int); 556 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 557 (bfd *); 558 extern const char *_bfd_coff_internal_syment_name 559 (bfd *, const struct internal_syment *, char *); 560 extern bfd_boolean _bfd_coff_section_already_linked 561 (bfd *, asection *, struct bfd_link_info *); 562 extern bfd_boolean _bfd_coff_link_add_symbols 563 (bfd *, struct bfd_link_info *); 564 extern bfd_boolean _bfd_coff_final_link 565 (bfd *, struct bfd_link_info *); 566 extern struct internal_reloc *_bfd_coff_read_internal_relocs 567 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 568 struct internal_reloc *); 569 extern bfd_boolean _bfd_coff_generic_relocate_section 570 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 571 struct internal_reloc *, struct internal_syment *, asection **); 572 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 573 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 574 extern bfd_boolean _bfd_coff_write_global_sym 575 (struct bfd_hash_entry *, void *); 576 extern bfd_boolean _bfd_coff_write_task_globals 577 (struct coff_link_hash_entry *, void *); 578 extern bfd_boolean _bfd_coff_link_input_bfd 579 (struct coff_final_link_info *, bfd *); 580 extern bfd_boolean _bfd_coff_reloc_link_order 581 (bfd *, struct coff_final_link_info *, asection *, 582 struct bfd_link_order *); 583 584 585 #define coff_get_section_contents_in_window \ 586 _bfd_generic_get_section_contents_in_window 587 588 /* Functions in xcofflink.c. */ 589 590 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 591 (bfd *); 592 extern long _bfd_xcoff_canonicalize_dynamic_symtab 593 (bfd *, asymbol **); 594 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 595 (bfd *); 596 extern long _bfd_xcoff_canonicalize_dynamic_reloc 597 (bfd *, arelent **, asymbol **); 598 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 599 (bfd *); 600 extern void _bfd_xcoff_bfd_link_hash_table_free 601 (struct bfd_link_hash_table *); 602 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 603 (bfd *, struct bfd_link_info *); 604 extern bfd_boolean _bfd_xcoff_bfd_final_link 605 (bfd *, struct bfd_link_info *); 606 extern bfd_boolean _bfd_xcoff_define_common_symbol 607 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 608 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 609 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 610 struct internal_reloc *, struct internal_syment *, asection **); 611 612 /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the 613 linker, and so should start with bfd and be declared in bfd.h. */ 614 615 extern bfd_boolean ppc_allocate_toc_section 616 (struct bfd_link_info *); 617 extern bfd_boolean ppc_process_before_allocation 618 (bfd *, struct bfd_link_info *); 619 /* Extracted from coffcode.h. */ 620 typedef struct coff_ptr_struct 621 { 622 /* Remembers the offset from the first symbol in the file for 623 this symbol. Generated by coff_renumber_symbols. */ 624 unsigned int offset; 625 626 /* Should the value of this symbol be renumbered. Used for 627 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 628 unsigned int fix_value : 1; 629 630 /* Should the tag field of this symbol be renumbered. 631 Created by coff_pointerize_aux. */ 632 unsigned int fix_tag : 1; 633 634 /* Should the endidx field of this symbol be renumbered. 635 Created by coff_pointerize_aux. */ 636 unsigned int fix_end : 1; 637 638 /* Should the x_csect.x_scnlen field be renumbered. 639 Created by coff_pointerize_aux. */ 640 unsigned int fix_scnlen : 1; 641 642 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 643 index into the line number entries. Set by coff_slurp_symbol_table. */ 644 unsigned int fix_line : 1; 645 646 /* The container for the symbol structure as read and translated 647 from the file. */ 648 union 649 { 650 union internal_auxent auxent; 651 struct internal_syment syment; 652 } u; 653 } combined_entry_type; 654 655 656 /* Each canonical asymbol really looks like this: */ 657 658 typedef struct coff_symbol_struct 659 { 660 /* The actual symbol which the rest of BFD works with */ 661 asymbol symbol; 662 663 /* A pointer to the hidden information for this symbol */ 664 combined_entry_type *native; 665 666 /* A pointer to the linenumber information for this symbol */ 667 struct lineno_cache_entry *lineno; 668 669 /* Have the line numbers been relocated yet ? */ 670 bfd_boolean done_lineno; 671 } coff_symbol_type; 672 /* COFF symbol classifications. */ 673 674 enum coff_symbol_classification 675 { 676 /* Global symbol. */ 677 COFF_SYMBOL_GLOBAL, 678 /* Common symbol. */ 679 COFF_SYMBOL_COMMON, 680 /* Undefined symbol. */ 681 COFF_SYMBOL_UNDEFINED, 682 /* Local symbol. */ 683 COFF_SYMBOL_LOCAL, 684 /* PE section symbol. */ 685 COFF_SYMBOL_PE_SECTION 686 }; 687 688 typedef struct 689 { 690 void (*_bfd_coff_swap_aux_in) 691 (bfd *, void *, int, int, int, int, void *); 692 693 void (*_bfd_coff_swap_sym_in) 694 (bfd *, void *, void *); 695 696 void (*_bfd_coff_swap_lineno_in) 697 (bfd *, void *, void *); 698 699 unsigned int (*_bfd_coff_swap_aux_out) 700 (bfd *, void *, int, int, int, int, void *); 701 702 unsigned int (*_bfd_coff_swap_sym_out) 703 (bfd *, void *, void *); 704 705 unsigned int (*_bfd_coff_swap_lineno_out) 706 (bfd *, void *, void *); 707 708 unsigned int (*_bfd_coff_swap_reloc_out) 709 (bfd *, void *, void *); 710 711 unsigned int (*_bfd_coff_swap_filehdr_out) 712 (bfd *, void *, void *); 713 714 unsigned int (*_bfd_coff_swap_aouthdr_out) 715 (bfd *, void *, void *); 716 717 unsigned int (*_bfd_coff_swap_scnhdr_out) 718 (bfd *, void *, void *); 719 720 unsigned int _bfd_filhsz; 721 unsigned int _bfd_aoutsz; 722 unsigned int _bfd_scnhsz; 723 unsigned int _bfd_symesz; 724 unsigned int _bfd_auxesz; 725 unsigned int _bfd_relsz; 726 unsigned int _bfd_linesz; 727 unsigned int _bfd_filnmlen; 728 bfd_boolean _bfd_coff_long_filenames; 729 730 bfd_boolean _bfd_coff_long_section_names; 731 bfd_boolean (*_bfd_coff_set_long_section_names) 732 (bfd *, int); 733 734 unsigned int _bfd_coff_default_section_alignment_power; 735 bfd_boolean _bfd_coff_force_symnames_in_strings; 736 unsigned int _bfd_coff_debug_string_prefix_length; 737 738 void (*_bfd_coff_swap_filehdr_in) 739 (bfd *, void *, void *); 740 741 void (*_bfd_coff_swap_aouthdr_in) 742 (bfd *, void *, void *); 743 744 void (*_bfd_coff_swap_scnhdr_in) 745 (bfd *, void *, void *); 746 747 void (*_bfd_coff_swap_reloc_in) 748 (bfd *abfd, void *, void *); 749 750 bfd_boolean (*_bfd_coff_bad_format_hook) 751 (bfd *, void *); 752 753 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 754 (bfd *, void *); 755 756 void * (*_bfd_coff_mkobject_hook) 757 (bfd *, void *, void *); 758 759 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 760 (bfd *, void *, const char *, asection *, flagword *); 761 762 void (*_bfd_set_alignment_hook) 763 (bfd *, asection *, void *); 764 765 bfd_boolean (*_bfd_coff_slurp_symbol_table) 766 (bfd *); 767 768 bfd_boolean (*_bfd_coff_symname_in_debug) 769 (bfd *, struct internal_syment *); 770 771 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 772 (bfd *, combined_entry_type *, combined_entry_type *, 773 unsigned int, combined_entry_type *); 774 775 bfd_boolean (*_bfd_coff_print_aux) 776 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 777 combined_entry_type *, unsigned int); 778 779 void (*_bfd_coff_reloc16_extra_cases) 780 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 781 bfd_byte *, unsigned int *, unsigned int *); 782 783 int (*_bfd_coff_reloc16_estimate) 784 (bfd *, asection *, arelent *, unsigned int, 785 struct bfd_link_info *); 786 787 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 788 (bfd *, struct internal_syment *); 789 790 bfd_boolean (*_bfd_coff_compute_section_file_positions) 791 (bfd *); 792 793 bfd_boolean (*_bfd_coff_start_final_link) 794 (bfd *, struct bfd_link_info *); 795 796 bfd_boolean (*_bfd_coff_relocate_section) 797 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 798 struct internal_reloc *, struct internal_syment *, asection **); 799 800 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 801 (bfd *, asection *, struct internal_reloc *, 802 struct coff_link_hash_entry *, struct internal_syment *, 803 bfd_vma *); 804 805 bfd_boolean (*_bfd_coff_adjust_symndx) 806 (bfd *, struct bfd_link_info *, bfd *, asection *, 807 struct internal_reloc *, bfd_boolean *); 808 809 bfd_boolean (*_bfd_coff_link_add_one_symbol) 810 (struct bfd_link_info *, bfd *, const char *, flagword, 811 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 812 struct bfd_link_hash_entry **); 813 814 bfd_boolean (*_bfd_coff_link_output_has_begun) 815 (bfd *, struct coff_final_link_info *); 816 817 bfd_boolean (*_bfd_coff_final_link_postscript) 818 (bfd *, struct coff_final_link_info *); 819 820 bfd_boolean (*_bfd_coff_print_pdata) 821 (bfd *, void *); 822 823 } bfd_coff_backend_data; 824 825 #define coff_backend_info(abfd) \ 826 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 827 828 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 829 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 830 831 #define bfd_coff_swap_sym_in(a,e,i) \ 832 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 833 834 #define bfd_coff_swap_lineno_in(a,e,i) \ 835 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 836 837 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 838 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 839 840 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 841 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 842 843 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 844 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 845 846 #define bfd_coff_swap_sym_out(abfd, i,o) \ 847 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 848 849 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 850 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 851 852 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 853 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 854 855 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 856 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 857 858 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 859 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 860 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 861 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 862 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 863 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 864 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 865 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 866 #define bfd_coff_long_filenames(abfd) \ 867 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 868 #define bfd_coff_long_section_names(abfd) \ 869 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 870 #define bfd_coff_set_long_section_names(abfd, enable) \ 871 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 872 #define bfd_coff_default_section_alignment_power(abfd) \ 873 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 874 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 875 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 876 877 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 878 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 879 880 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 881 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 882 883 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 884 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 885 886 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 887 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 888 889 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 890 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 891 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 892 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 893 (abfd, filehdr, aouthdr)) 894 895 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 896 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 897 (abfd, scnhdr, name, section, flags_ptr)) 898 899 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 900 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 901 902 #define bfd_coff_slurp_symbol_table(abfd)\ 903 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 904 905 #define bfd_coff_symname_in_debug(abfd, sym)\ 906 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 907 908 #define bfd_coff_force_symnames_in_strings(abfd)\ 909 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 910 911 #define bfd_coff_debug_string_prefix_length(abfd)\ 912 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 913 914 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 915 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 916 (abfd, file, base, symbol, aux, indaux)) 917 918 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 919 reloc, data, src_ptr, dst_ptr)\ 920 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 921 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 922 923 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 924 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 925 (abfd, section, reloc, shrink, link_info)) 926 927 #define bfd_coff_classify_symbol(abfd, sym)\ 928 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 929 (abfd, sym)) 930 931 #define bfd_coff_compute_section_file_positions(abfd)\ 932 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 933 (abfd)) 934 935 #define bfd_coff_start_final_link(obfd, info)\ 936 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 937 (obfd, info)) 938 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 939 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 940 (obfd, info, ibfd, o, con, rel, isyms, secs)) 941 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 942 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 943 (abfd, sec, rel, h, sym, addendp)) 944 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 945 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 946 (obfd, info, ibfd, sec, rel, adjustedp)) 947 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 948 value, string, cp, coll, hashp)\ 949 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 950 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 951 952 #define bfd_coff_link_output_has_begun(a,p) \ 953 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 954 #define bfd_coff_final_link_postscript(a,p) \ 955 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 956 957 #define bfd_coff_have_print_pdata(a) \ 958 (coff_backend_info (a)->_bfd_coff_print_pdata) 959 #define bfd_coff_print_pdata(a,p) \ 960 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 961 962 /* Macro: Returns true if the bfd is a PE executable as opposed to a 963 PE object file. */ 964 #define bfd_pei_p(abfd) \ 965 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 966