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 extern bfd_boolean coff_find_nearest_line_discriminator 358 (bfd *, asection *, asymbol **, bfd_vma, const char **, 359 const char **, unsigned int *, unsigned int *); 360 struct dwarf_debug_section; 361 extern bfd_boolean coff_find_nearest_line_with_names 362 (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, 363 bfd_vma, const char **, const char **, unsigned int *); 364 extern bfd_boolean coff_find_inliner_info 365 (bfd *, const char **, const char **, unsigned int *); 366 extern int coff_sizeof_headers 367 (bfd *, struct bfd_link_info *); 368 extern bfd_boolean bfd_coff_reloc16_relax_section 369 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 370 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 371 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 372 bfd_byte *, bfd_boolean, asymbol **); 373 extern bfd_vma bfd_coff_reloc16_get_value 374 (arelent *, struct bfd_link_info *, asection *); 375 extern void bfd_perform_slip 376 (bfd *, unsigned int, asection *, bfd_vma); 377 378 /* Functions and types in cofflink.c. */ 379 380 #define STRING_SIZE_SIZE 4 381 382 /* We use a hash table to merge identical enum, struct, and union 383 definitions in the linker. */ 384 385 /* Information we keep for a single element (an enum value, a 386 structure or union field) in the debug merge hash table. */ 387 388 struct coff_debug_merge_element 389 { 390 /* Next element. */ 391 struct coff_debug_merge_element *next; 392 393 /* Name. */ 394 const char *name; 395 396 /* Type. */ 397 unsigned int type; 398 399 /* Symbol index for complex type. */ 400 long tagndx; 401 }; 402 403 /* A linked list of debug merge entries for a given name. */ 404 405 struct coff_debug_merge_type 406 { 407 /* Next type with the same name. */ 408 struct coff_debug_merge_type *next; 409 410 /* Class of type. */ 411 int type_class; 412 413 /* Symbol index where this type is defined. */ 414 long indx; 415 416 /* List of elements. */ 417 struct coff_debug_merge_element *elements; 418 }; 419 420 /* Information we store in the debug merge hash table. */ 421 422 struct coff_debug_merge_hash_entry 423 { 424 struct bfd_hash_entry root; 425 426 /* A list of types with this name. */ 427 struct coff_debug_merge_type *types; 428 }; 429 430 /* The debug merge hash table. */ 431 432 struct coff_debug_merge_hash_table 433 { 434 struct bfd_hash_table root; 435 }; 436 437 /* Initialize a COFF debug merge hash table. */ 438 439 #define coff_debug_merge_hash_table_init(table) \ 440 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 441 sizeof (struct coff_debug_merge_hash_entry))) 442 443 /* Free a COFF debug merge hash table. */ 444 445 #define coff_debug_merge_hash_table_free(table) \ 446 (bfd_hash_table_free (&(table)->root)) 447 448 /* Look up an entry in a COFF debug merge hash table. */ 449 450 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 451 ((struct coff_debug_merge_hash_entry *) \ 452 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 453 454 /* Information we keep for each section in the output file when doing 455 a relocatable link. */ 456 457 struct coff_link_section_info 458 { 459 /* The relocs to be output. */ 460 struct internal_reloc *relocs; 461 /* For each reloc against a global symbol whose index was not known 462 when the reloc was handled, the global hash table entry. */ 463 struct coff_link_hash_entry **rel_hashes; 464 }; 465 466 /* Information that we pass around while doing the final link step. */ 467 468 struct coff_final_link_info 469 { 470 /* General link information. */ 471 struct bfd_link_info *info; 472 /* Output BFD. */ 473 bfd *output_bfd; 474 /* Used to indicate failure in traversal routine. */ 475 bfd_boolean failed; 476 /* If doing "task linking" set only during the time when we want the 477 global symbol writer to convert the storage class of defined global 478 symbols from global to static. */ 479 bfd_boolean global_to_static; 480 /* Hash table for long symbol names. */ 481 struct bfd_strtab_hash *strtab; 482 /* When doing a relocatable link, an array of information kept for 483 each output section, indexed by the target_index field. */ 484 struct coff_link_section_info *section_info; 485 /* Symbol index of last C_FILE symbol (-1 if none). */ 486 long last_file_index; 487 /* Contents of last C_FILE symbol. */ 488 struct internal_syment last_file; 489 /* Symbol index of first aux entry of last .bf symbol with an empty 490 endndx field (-1 if none). */ 491 long last_bf_index; 492 /* Contents of last_bf_index aux entry. */ 493 union internal_auxent last_bf; 494 /* Hash table used to merge debug information. */ 495 struct coff_debug_merge_hash_table debug_merge; 496 /* Buffer large enough to hold swapped symbols of any input file. */ 497 struct internal_syment *internal_syms; 498 /* Buffer large enough to hold sections of symbols of any input file. */ 499 asection **sec_ptrs; 500 /* Buffer large enough to hold output indices of symbols of any 501 input file. */ 502 long *sym_indices; 503 /* Buffer large enough to hold output symbols for any input file. */ 504 bfd_byte *outsyms; 505 /* Buffer large enough to hold external line numbers for any input 506 section. */ 507 bfd_byte *linenos; 508 /* Buffer large enough to hold any input section. */ 509 bfd_byte *contents; 510 /* Buffer large enough to hold external relocs of any input section. */ 511 bfd_byte *external_relocs; 512 /* Buffer large enough to hold swapped relocs of any input section. */ 513 struct internal_reloc *internal_relocs; 514 }; 515 516 /* Most COFF variants have no way to record the alignment of a 517 section. This struct is used to set a specific alignment based on 518 the name of the section. */ 519 520 struct coff_section_alignment_entry 521 { 522 /* The section name. */ 523 const char *name; 524 525 /* This is either (unsigned int) -1, indicating that the section 526 name must match exactly, or it is the number of letters which 527 must match at the start of the name. */ 528 unsigned int comparison_length; 529 530 /* These macros may be used to fill in the first two fields in a 531 structure initialization. */ 532 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 533 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 534 535 /* Only use this entry if the default section alignment for this 536 target is at least that much (as a power of two). If this field 537 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 538 unsigned int default_alignment_min; 539 540 /* Only use this entry if the default section alignment for this 541 target is no greater than this (as a power of two). If this 542 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 543 unsigned int default_alignment_max; 544 545 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 546 547 /* The desired alignment for this section (as a power of two). */ 548 unsigned int alignment_power; 549 }; 550 551 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 552 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 553 extern bfd_boolean _bfd_coff_link_hash_table_init 554 (struct coff_link_hash_table *, bfd *, 555 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 556 struct bfd_hash_table *, 557 const char *), 558 unsigned int); 559 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 560 (bfd *); 561 extern const char *_bfd_coff_internal_syment_name 562 (bfd *, const struct internal_syment *, char *); 563 extern bfd_boolean _bfd_coff_section_already_linked 564 (bfd *, asection *, struct bfd_link_info *); 565 extern bfd_boolean _bfd_coff_link_add_symbols 566 (bfd *, struct bfd_link_info *); 567 extern bfd_boolean _bfd_coff_final_link 568 (bfd *, struct bfd_link_info *); 569 extern struct internal_reloc *_bfd_coff_read_internal_relocs 570 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 571 struct internal_reloc *); 572 extern bfd_boolean _bfd_coff_generic_relocate_section 573 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 574 struct internal_reloc *, struct internal_syment *, asection **); 575 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 576 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 577 extern bfd_boolean _bfd_coff_write_global_sym 578 (struct bfd_hash_entry *, void *); 579 extern bfd_boolean _bfd_coff_write_task_globals 580 (struct coff_link_hash_entry *, void *); 581 extern bfd_boolean _bfd_coff_link_input_bfd 582 (struct coff_final_link_info *, bfd *); 583 extern bfd_boolean _bfd_coff_reloc_link_order 584 (bfd *, struct coff_final_link_info *, asection *, 585 struct bfd_link_order *); 586 587 588 #define coff_get_section_contents_in_window \ 589 _bfd_generic_get_section_contents_in_window 590 591 /* Functions in xcofflink.c. */ 592 593 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 594 (bfd *); 595 extern long _bfd_xcoff_canonicalize_dynamic_symtab 596 (bfd *, asymbol **); 597 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 598 (bfd *); 599 extern long _bfd_xcoff_canonicalize_dynamic_reloc 600 (bfd *, arelent **, asymbol **); 601 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 602 (bfd *); 603 extern void _bfd_xcoff_bfd_link_hash_table_free 604 (struct bfd_link_hash_table *); 605 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 606 (bfd *, struct bfd_link_info *); 607 extern bfd_boolean _bfd_xcoff_bfd_final_link 608 (bfd *, struct bfd_link_info *); 609 extern bfd_boolean _bfd_xcoff_define_common_symbol 610 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *); 611 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 612 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 613 struct internal_reloc *, struct internal_syment *, asection **); 614 615 /* Functions in coff-ppc.c. FIXME: These are called by pe.em in the 616 linker, and so should start with bfd and be declared in bfd.h. */ 617 618 extern bfd_boolean ppc_allocate_toc_section 619 (struct bfd_link_info *); 620 extern bfd_boolean ppc_process_before_allocation 621 (bfd *, struct bfd_link_info *); 622 /* Extracted from coffcode.h. */ 623 typedef struct coff_ptr_struct 624 { 625 /* Remembers the offset from the first symbol in the file for 626 this symbol. Generated by coff_renumber_symbols. */ 627 unsigned int offset; 628 629 /* Should the value of this symbol be renumbered. Used for 630 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 631 unsigned int fix_value : 1; 632 633 /* Should the tag field of this symbol be renumbered. 634 Created by coff_pointerize_aux. */ 635 unsigned int fix_tag : 1; 636 637 /* Should the endidx field of this symbol be renumbered. 638 Created by coff_pointerize_aux. */ 639 unsigned int fix_end : 1; 640 641 /* Should the x_csect.x_scnlen field be renumbered. 642 Created by coff_pointerize_aux. */ 643 unsigned int fix_scnlen : 1; 644 645 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 646 index into the line number entries. Set by coff_slurp_symbol_table. */ 647 unsigned int fix_line : 1; 648 649 /* The container for the symbol structure as read and translated 650 from the file. */ 651 union 652 { 653 union internal_auxent auxent; 654 struct internal_syment syment; 655 } u; 656 } combined_entry_type; 657 658 659 /* Each canonical asymbol really looks like this: */ 660 661 typedef struct coff_symbol_struct 662 { 663 /* The actual symbol which the rest of BFD works with */ 664 asymbol symbol; 665 666 /* A pointer to the hidden information for this symbol */ 667 combined_entry_type *native; 668 669 /* A pointer to the linenumber information for this symbol */ 670 struct lineno_cache_entry *lineno; 671 672 /* Have the line numbers been relocated yet ? */ 673 bfd_boolean done_lineno; 674 } coff_symbol_type; 675 /* COFF symbol classifications. */ 676 677 enum coff_symbol_classification 678 { 679 /* Global symbol. */ 680 COFF_SYMBOL_GLOBAL, 681 /* Common symbol. */ 682 COFF_SYMBOL_COMMON, 683 /* Undefined symbol. */ 684 COFF_SYMBOL_UNDEFINED, 685 /* Local symbol. */ 686 COFF_SYMBOL_LOCAL, 687 /* PE section symbol. */ 688 COFF_SYMBOL_PE_SECTION 689 }; 690 691 typedef struct 692 { 693 void (*_bfd_coff_swap_aux_in) 694 (bfd *, void *, int, int, int, int, void *); 695 696 void (*_bfd_coff_swap_sym_in) 697 (bfd *, void *, void *); 698 699 void (*_bfd_coff_swap_lineno_in) 700 (bfd *, void *, void *); 701 702 unsigned int (*_bfd_coff_swap_aux_out) 703 (bfd *, void *, int, int, int, int, void *); 704 705 unsigned int (*_bfd_coff_swap_sym_out) 706 (bfd *, void *, void *); 707 708 unsigned int (*_bfd_coff_swap_lineno_out) 709 (bfd *, void *, void *); 710 711 unsigned int (*_bfd_coff_swap_reloc_out) 712 (bfd *, void *, void *); 713 714 unsigned int (*_bfd_coff_swap_filehdr_out) 715 (bfd *, void *, void *); 716 717 unsigned int (*_bfd_coff_swap_aouthdr_out) 718 (bfd *, void *, void *); 719 720 unsigned int (*_bfd_coff_swap_scnhdr_out) 721 (bfd *, void *, void *); 722 723 unsigned int _bfd_filhsz; 724 unsigned int _bfd_aoutsz; 725 unsigned int _bfd_scnhsz; 726 unsigned int _bfd_symesz; 727 unsigned int _bfd_auxesz; 728 unsigned int _bfd_relsz; 729 unsigned int _bfd_linesz; 730 unsigned int _bfd_filnmlen; 731 bfd_boolean _bfd_coff_long_filenames; 732 733 bfd_boolean _bfd_coff_long_section_names; 734 bfd_boolean (*_bfd_coff_set_long_section_names) 735 (bfd *, int); 736 737 unsigned int _bfd_coff_default_section_alignment_power; 738 bfd_boolean _bfd_coff_force_symnames_in_strings; 739 unsigned int _bfd_coff_debug_string_prefix_length; 740 741 void (*_bfd_coff_swap_filehdr_in) 742 (bfd *, void *, void *); 743 744 void (*_bfd_coff_swap_aouthdr_in) 745 (bfd *, void *, void *); 746 747 void (*_bfd_coff_swap_scnhdr_in) 748 (bfd *, void *, void *); 749 750 void (*_bfd_coff_swap_reloc_in) 751 (bfd *abfd, void *, void *); 752 753 bfd_boolean (*_bfd_coff_bad_format_hook) 754 (bfd *, void *); 755 756 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 757 (bfd *, void *); 758 759 void * (*_bfd_coff_mkobject_hook) 760 (bfd *, void *, void *); 761 762 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 763 (bfd *, void *, const char *, asection *, flagword *); 764 765 void (*_bfd_set_alignment_hook) 766 (bfd *, asection *, void *); 767 768 bfd_boolean (*_bfd_coff_slurp_symbol_table) 769 (bfd *); 770 771 bfd_boolean (*_bfd_coff_symname_in_debug) 772 (bfd *, struct internal_syment *); 773 774 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 775 (bfd *, combined_entry_type *, combined_entry_type *, 776 unsigned int, combined_entry_type *); 777 778 bfd_boolean (*_bfd_coff_print_aux) 779 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 780 combined_entry_type *, unsigned int); 781 782 void (*_bfd_coff_reloc16_extra_cases) 783 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 784 bfd_byte *, unsigned int *, unsigned int *); 785 786 int (*_bfd_coff_reloc16_estimate) 787 (bfd *, asection *, arelent *, unsigned int, 788 struct bfd_link_info *); 789 790 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 791 (bfd *, struct internal_syment *); 792 793 bfd_boolean (*_bfd_coff_compute_section_file_positions) 794 (bfd *); 795 796 bfd_boolean (*_bfd_coff_start_final_link) 797 (bfd *, struct bfd_link_info *); 798 799 bfd_boolean (*_bfd_coff_relocate_section) 800 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 801 struct internal_reloc *, struct internal_syment *, asection **); 802 803 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 804 (bfd *, asection *, struct internal_reloc *, 805 struct coff_link_hash_entry *, struct internal_syment *, 806 bfd_vma *); 807 808 bfd_boolean (*_bfd_coff_adjust_symndx) 809 (bfd *, struct bfd_link_info *, bfd *, asection *, 810 struct internal_reloc *, bfd_boolean *); 811 812 bfd_boolean (*_bfd_coff_link_add_one_symbol) 813 (struct bfd_link_info *, bfd *, const char *, flagword, 814 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 815 struct bfd_link_hash_entry **); 816 817 bfd_boolean (*_bfd_coff_link_output_has_begun) 818 (bfd *, struct coff_final_link_info *); 819 820 bfd_boolean (*_bfd_coff_final_link_postscript) 821 (bfd *, struct coff_final_link_info *); 822 823 bfd_boolean (*_bfd_coff_print_pdata) 824 (bfd *, void *); 825 826 } bfd_coff_backend_data; 827 828 #define coff_backend_info(abfd) \ 829 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 830 831 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 832 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 833 834 #define bfd_coff_swap_sym_in(a,e,i) \ 835 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 836 837 #define bfd_coff_swap_lineno_in(a,e,i) \ 838 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 839 840 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 841 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 842 843 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 844 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 845 846 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 847 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 848 849 #define bfd_coff_swap_sym_out(abfd, i,o) \ 850 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 851 852 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 853 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 854 855 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 856 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 857 858 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 859 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 860 861 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 862 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 863 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 864 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 865 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 866 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 867 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 868 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 869 #define bfd_coff_long_filenames(abfd) \ 870 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 871 #define bfd_coff_long_section_names(abfd) \ 872 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 873 #define bfd_coff_set_long_section_names(abfd, enable) \ 874 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 875 #define bfd_coff_default_section_alignment_power(abfd) \ 876 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 877 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 878 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 879 880 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 881 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 882 883 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 884 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 885 886 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 887 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 888 889 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 890 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 891 892 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 893 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 894 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 895 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 896 (abfd, filehdr, aouthdr)) 897 898 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 899 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 900 (abfd, scnhdr, name, section, flags_ptr)) 901 902 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 903 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 904 905 #define bfd_coff_slurp_symbol_table(abfd)\ 906 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 907 908 #define bfd_coff_symname_in_debug(abfd, sym)\ 909 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 910 911 #define bfd_coff_force_symnames_in_strings(abfd)\ 912 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 913 914 #define bfd_coff_debug_string_prefix_length(abfd)\ 915 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 916 917 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 918 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 919 (abfd, file, base, symbol, aux, indaux)) 920 921 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 922 reloc, data, src_ptr, dst_ptr)\ 923 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 924 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 925 926 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 927 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 928 (abfd, section, reloc, shrink, link_info)) 929 930 #define bfd_coff_classify_symbol(abfd, sym)\ 931 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 932 (abfd, sym)) 933 934 #define bfd_coff_compute_section_file_positions(abfd)\ 935 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 936 (abfd)) 937 938 #define bfd_coff_start_final_link(obfd, info)\ 939 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 940 (obfd, info)) 941 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 942 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 943 (obfd, info, ibfd, o, con, rel, isyms, secs)) 944 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 945 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 946 (abfd, sec, rel, h, sym, addendp)) 947 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 948 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 949 (obfd, info, ibfd, sec, rel, adjustedp)) 950 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 951 value, string, cp, coll, hashp)\ 952 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 953 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 954 955 #define bfd_coff_link_output_has_begun(a,p) \ 956 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 957 #define bfd_coff_final_link_postscript(a,p) \ 958 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 959 960 #define bfd_coff_have_print_pdata(a) \ 961 (coff_backend_info (a)->_bfd_coff_print_pdata) 962 #define bfd_coff_print_pdata(a,p) \ 963 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 964 965 /* Macro: Returns true if the bfd is a PE executable as opposed to a 966 PE object file. */ 967 #define bfd_pei_p(abfd) \ 968 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 969