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 8 Free Software Foundation, Inc. 9 Written by Cygnus Support. 10 11 This file is part of BFD, the Binary File Descriptor library. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 2 of the License, or 16 (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 26 27 #include "bfdlink.h" 28 29 /* Object file tdata; access macros */ 30 31 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 32 #define exec_hdr(bfd) (coff_data(bfd)->hdr) 33 #define obj_pe(bfd) (coff_data(bfd)->pe) 34 #define obj_symbols(bfd) (coff_data(bfd)->symbols) 35 #define obj_sym_filepos(bfd) (coff_data(bfd)->sym_filepos) 36 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 43 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 44 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 45 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 46 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 47 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 48 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 49 50 #define obj_coff_local_toc_table(bfd) (coff_data(bfd)->local_toc_sym_map) 51 52 /* `Tdata' information kept for COFF files. */ 53 54 typedef struct coff_tdata 55 { 56 struct coff_symbol_struct *symbols; /* symtab for input bfd */ 57 unsigned int *conversion_table; 58 int conv_table_size; 59 file_ptr sym_filepos; 60 61 struct coff_ptr_struct *raw_syments; 62 unsigned long raw_syment_count; 63 64 /* These are only valid once writing has begun */ 65 long int relocbase; 66 67 /* These members communicate important constants about the symbol table 68 to GDB's symbol-reading code. These `constants' unfortunately vary 69 from coff implementation to implementation... */ 70 unsigned local_n_btmask; 71 unsigned local_n_btshft; 72 unsigned local_n_tmask; 73 unsigned local_n_tshift; 74 unsigned local_symesz; 75 unsigned local_auxesz; 76 unsigned local_linesz; 77 78 /* The unswapped external symbols. May be NULL. Read by 79 _bfd_coff_get_external_symbols. */ 80 PTR external_syms; 81 /* If this is TRUE, the external_syms may not be freed. */ 82 bfd_boolean keep_syms; 83 84 /* The string table. May be NULL. Read by 85 _bfd_coff_read_string_table. */ 86 char *strings; 87 /* If this is TRUE, the strings may not be freed. */ 88 bfd_boolean keep_strings; 89 /* If this is TRUE, the strings have been written out already. */ 90 bfd_boolean strings_written; 91 92 /* is this a PE format coff file */ 93 int pe; 94 /* Used by the COFF backend linker. */ 95 struct coff_link_hash_entry **sym_hashes; 96 97 /* used by the pe linker for PowerPC */ 98 int *local_toc_sym_map; 99 100 struct bfd_link_info *link_info; 101 102 /* Used by coff_find_nearest_line. */ 103 PTR line_info; 104 105 /* A place to stash dwarf2 info for this bfd. */ 106 PTR dwarf2_find_line_info; 107 108 /* The timestamp from the COFF file header. */ 109 long timestamp; 110 111 /* Copy of some of the f_flags bits in the COFF filehdr structure, 112 used by ARM code. */ 113 flagword flags; 114 115 } 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 bfd_boolean (*in_reloc_p) PARAMS((bfd *, reloc_howto_type *)); 125 flagword real_flags; 126 int target_subsystem; 127 bfd_boolean force_minimum_alignment; 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 unsigned long *debug_indices; 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 PTR stab_info; 206 /* Available for individual backends. */ 207 PTR 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 one past the last symbol indices for symbols used 225 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 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 (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (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 PARAMS ((bfd *)); 310 extern struct bfd_section *coff_section_from_bfd_index 311 PARAMS ((bfd *, int)); 312 extern long coff_get_symtab_upper_bound 313 PARAMS ((bfd *)); 314 extern long coff_canonicalize_symtab 315 PARAMS ((bfd *, asymbol **)); 316 extern int coff_count_linenumbers 317 PARAMS ((bfd *)); 318 extern struct coff_symbol_struct *coff_symbol_from 319 PARAMS ((bfd *, asymbol *)); 320 extern bfd_boolean coff_renumber_symbols 321 PARAMS ((bfd *, int *)); 322 extern void coff_mangle_symbols 323 PARAMS ((bfd *)); 324 extern bfd_boolean coff_write_symbols 325 PARAMS ((bfd *)); 326 extern bfd_boolean coff_write_linenumbers 327 PARAMS ((bfd *)); 328 extern alent *coff_get_lineno 329 PARAMS ((bfd *, asymbol *)); 330 extern asymbol *coff_section_symbol 331 PARAMS ((bfd *, char *)); 332 extern bfd_boolean _bfd_coff_get_external_symbols 333 PARAMS ((bfd *)); 334 extern const char *_bfd_coff_read_string_table 335 PARAMS ((bfd *)); 336 extern bfd_boolean _bfd_coff_free_symbols 337 PARAMS ((bfd *)); 338 extern struct coff_ptr_struct *coff_get_normalized_symtab 339 PARAMS ((bfd *)); 340 extern long coff_get_reloc_upper_bound 341 PARAMS ((bfd *, sec_ptr)); 342 extern asymbol *coff_make_empty_symbol 343 PARAMS ((bfd *)); 344 extern void coff_print_symbol 345 PARAMS ((bfd *, PTR filep, asymbol *, bfd_print_symbol_type)); 346 extern void coff_get_symbol_info 347 PARAMS ((bfd *, asymbol *, symbol_info *ret)); 348 extern bfd_boolean _bfd_coff_is_local_label_name 349 PARAMS ((bfd *, const char *)); 350 extern asymbol *coff_bfd_make_debug_symbol 351 PARAMS ((bfd *, PTR, unsigned long)); 352 extern bfd_boolean coff_find_nearest_line 353 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, 354 const char **, unsigned int *)); 355 extern int coff_sizeof_headers 356 PARAMS ((bfd *, bfd_boolean)); 357 extern bfd_boolean bfd_coff_reloc16_relax_section 358 PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *)); 359 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 360 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, 361 bfd_byte *, bfd_boolean, asymbol **)); 362 extern bfd_vma bfd_coff_reloc16_get_value 363 PARAMS ((arelent *, struct bfd_link_info *, asection *)); 364 extern void bfd_perform_slip 365 PARAMS ((bfd *, unsigned int, asection *, bfd_vma)); 366 367 /* Functions and types in cofflink.c. */ 368 369 #define STRING_SIZE_SIZE (4) 370 371 /* We use a hash table to merge identical enum, struct, and union 372 definitions in the linker. */ 373 374 /* Information we keep for a single element (an enum value, a 375 structure or union field) in the debug merge hash table. */ 376 377 struct coff_debug_merge_element 378 { 379 /* Next element. */ 380 struct coff_debug_merge_element *next; 381 382 /* Name. */ 383 const char *name; 384 385 /* Type. */ 386 unsigned int type; 387 388 /* Symbol index for complex type. */ 389 long tagndx; 390 }; 391 392 /* A linked list of debug merge entries for a given name. */ 393 394 struct coff_debug_merge_type 395 { 396 /* Next type with the same name. */ 397 struct coff_debug_merge_type *next; 398 399 /* Class of type. */ 400 int class; 401 402 /* Symbol index where this type is defined. */ 403 long indx; 404 405 /* List of elements. */ 406 struct coff_debug_merge_element *elements; 407 }; 408 409 /* Information we store in the debug merge hash table. */ 410 411 struct coff_debug_merge_hash_entry 412 { 413 struct bfd_hash_entry root; 414 415 /* A list of types with this name. */ 416 struct coff_debug_merge_type *types; 417 }; 418 419 /* The debug merge hash table. */ 420 421 struct coff_debug_merge_hash_table 422 { 423 struct bfd_hash_table root; 424 }; 425 426 /* Initialize a COFF debug merge hash table. */ 427 428 #define coff_debug_merge_hash_table_init(table) \ 429 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc)) 430 431 /* Free a COFF debug merge hash table. */ 432 433 #define coff_debug_merge_hash_table_free(table) \ 434 (bfd_hash_table_free (&(table)->root)) 435 436 /* Look up an entry in a COFF debug merge hash table. */ 437 438 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 439 ((struct coff_debug_merge_hash_entry *) \ 440 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 441 442 /* Information we keep for each section in the output file when doing 443 a relocatable link. */ 444 445 struct coff_link_section_info 446 { 447 /* The relocs to be output. */ 448 struct internal_reloc *relocs; 449 /* For each reloc against a global symbol whose index was not known 450 when the reloc was handled, the global hash table entry. */ 451 struct coff_link_hash_entry **rel_hashes; 452 }; 453 454 /* Information that we pass around while doing the final link step. */ 455 456 struct coff_final_link_info 457 { 458 /* General link information. */ 459 struct bfd_link_info *info; 460 /* Output BFD. */ 461 bfd *output_bfd; 462 /* Used to indicate failure in traversal routine. */ 463 bfd_boolean failed; 464 /* If doing "task linking" set only during the time when we want the 465 global symbol writer to convert the storage class of defined global 466 symbols from global to static. */ 467 bfd_boolean global_to_static; 468 /* Hash table for long symbol names. */ 469 struct bfd_strtab_hash *strtab; 470 /* When doing a relocatable link, an array of information kept for 471 each output section, indexed by the target_index field. */ 472 struct coff_link_section_info *section_info; 473 /* Symbol index of last C_FILE symbol (-1 if none). */ 474 long last_file_index; 475 /* Contents of last C_FILE symbol. */ 476 struct internal_syment last_file; 477 /* Symbol index of first aux entry of last .bf symbol with an empty 478 endndx field (-1 if none). */ 479 long last_bf_index; 480 /* Contents of last_bf_index aux entry. */ 481 union internal_auxent last_bf; 482 /* Hash table used to merge debug information. */ 483 struct coff_debug_merge_hash_table debug_merge; 484 /* Buffer large enough to hold swapped symbols of any input file. */ 485 struct internal_syment *internal_syms; 486 /* Buffer large enough to hold sections of symbols of any input file. */ 487 asection **sec_ptrs; 488 /* Buffer large enough to hold output indices of symbols of any 489 input file. */ 490 long *sym_indices; 491 /* Buffer large enough to hold output symbols for any input file. */ 492 bfd_byte *outsyms; 493 /* Buffer large enough to hold external line numbers for any input 494 section. */ 495 bfd_byte *linenos; 496 /* Buffer large enough to hold any input section. */ 497 bfd_byte *contents; 498 /* Buffer large enough to hold external relocs of any input section. */ 499 bfd_byte *external_relocs; 500 /* Buffer large enough to hold swapped relocs of any input section. */ 501 struct internal_reloc *internal_relocs; 502 }; 503 504 /* Most COFF variants have no way to record the alignment of a 505 section. This struct is used to set a specific alignment based on 506 the name of the section. */ 507 508 struct coff_section_alignment_entry 509 { 510 /* The section name. */ 511 const char *name; 512 513 /* This is either (unsigned int) -1, indicating that the section 514 name must match exactly, or it is the number of letters which 515 must match at the start of the name. */ 516 unsigned int comparison_length; 517 518 /* These macros may be used to fill in the first two fields in a 519 structure initialization. */ 520 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 521 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 522 523 /* Only use this entry if the default section alignment for this 524 target is at least that much (as a power of two). If this field 525 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 526 unsigned int default_alignment_min; 527 528 /* Only use this entry if the default section alignment for this 529 target is no greater than this (as a power of two). If this 530 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 531 unsigned int default_alignment_max; 532 533 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 534 535 /* The desired alignment for this section (as a power of two). */ 536 unsigned int alignment_power; 537 }; 538 539 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 540 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 541 extern bfd_boolean _bfd_coff_link_hash_table_init 542 PARAMS ((struct coff_link_hash_table *, bfd *, 543 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 544 struct bfd_hash_table *, 545 const char *))); 546 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 547 PARAMS ((bfd *)); 548 extern const char *_bfd_coff_internal_syment_name 549 PARAMS ((bfd *, const struct internal_syment *, char *)); 550 extern bfd_boolean _bfd_coff_link_add_symbols 551 PARAMS ((bfd *, struct bfd_link_info *)); 552 extern bfd_boolean _bfd_coff_final_link 553 PARAMS ((bfd *, struct bfd_link_info *)); 554 extern struct internal_reloc *_bfd_coff_read_internal_relocs 555 PARAMS ((bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 556 struct internal_reloc *)); 557 extern bfd_boolean _bfd_coff_generic_relocate_section 558 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 559 struct internal_reloc *, struct internal_syment *, asection **)); 560 561 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 562 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); 563 extern bfd_boolean _bfd_coff_write_global_sym 564 PARAMS ((struct coff_link_hash_entry *, PTR)); 565 extern bfd_boolean _bfd_coff_write_task_globals 566 PARAMS ((struct coff_link_hash_entry *, PTR)); 567 extern bfd_boolean _bfd_coff_link_input_bfd 568 PARAMS ((struct coff_final_link_info *, bfd *)); 569 extern bfd_boolean _bfd_coff_reloc_link_order 570 PARAMS ((bfd *, struct coff_final_link_info *, asection *, 571 struct bfd_link_order *)); 572 573 574 #define coff_get_section_contents_in_window \ 575 _bfd_generic_get_section_contents_in_window 576 577 /* Functions in xcofflink.c. */ 578 579 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 580 PARAMS ((bfd *)); 581 extern long _bfd_xcoff_canonicalize_dynamic_symtab 582 PARAMS ((bfd *, asymbol **)); 583 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 584 PARAMS ((bfd *)); 585 extern long _bfd_xcoff_canonicalize_dynamic_reloc 586 PARAMS ((bfd *, arelent **, asymbol **)); 587 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 588 PARAMS ((bfd *)); 589 extern void _bfd_xcoff_bfd_link_hash_table_free 590 PARAMS ((struct bfd_link_hash_table *)); 591 extern bfd_boolean _bfd_xcoff_bfd_link_add_symbols 592 PARAMS ((bfd *, struct bfd_link_info *)); 593 extern bfd_boolean _bfd_xcoff_bfd_final_link 594 PARAMS ((bfd *, struct bfd_link_info *)); 595 extern bfd_boolean _bfd_ppc_xcoff_relocate_section 596 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 597 struct internal_reloc *, struct internal_syment *, asection **)); 598 599 /* Functions in coff-ppc.c. FIXME: These are called be pe.em in the 600 linker, and so should start with bfd and be declared in bfd.h. */ 601 602 extern bfd_boolean ppc_allocate_toc_section 603 PARAMS ((struct bfd_link_info *)); 604 extern bfd_boolean ppc_process_before_allocation 605 PARAMS ((bfd *, struct bfd_link_info *)); 606 607 /* Extracted from coffcode.h. */ 608 typedef struct coff_ptr_struct 609 { 610 /* Remembers the offset from the first symbol in the file for 611 this symbol. Generated by coff_renumber_symbols. */ 612 unsigned int offset; 613 614 /* Should the value of this symbol be renumbered. Used for 615 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 616 unsigned int fix_value : 1; 617 618 /* Should the tag field of this symbol be renumbered. 619 Created by coff_pointerize_aux. */ 620 unsigned int fix_tag : 1; 621 622 /* Should the endidx field of this symbol be renumbered. 623 Created by coff_pointerize_aux. */ 624 unsigned int fix_end : 1; 625 626 /* Should the x_csect.x_scnlen field be renumbered. 627 Created by coff_pointerize_aux. */ 628 unsigned int fix_scnlen : 1; 629 630 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 631 index into the line number entries. Set by coff_slurp_symbol_table. */ 632 unsigned int fix_line : 1; 633 634 /* The container for the symbol structure as read and translated 635 from the file. */ 636 union 637 { 638 union internal_auxent auxent; 639 struct internal_syment syment; 640 } u; 641 } combined_entry_type; 642 643 644 /* Each canonical asymbol really looks like this: */ 645 646 typedef struct coff_symbol_struct 647 { 648 /* The actual symbol which the rest of BFD works with */ 649 asymbol symbol; 650 651 /* A pointer to the hidden information for this symbol */ 652 combined_entry_type *native; 653 654 /* A pointer to the linenumber information for this symbol */ 655 struct lineno_cache_entry *lineno; 656 657 /* Have the line numbers been relocated yet ? */ 658 bfd_boolean done_lineno; 659 } coff_symbol_type; 660 /* COFF symbol classifications. */ 661 662 enum coff_symbol_classification 663 { 664 /* Global symbol. */ 665 COFF_SYMBOL_GLOBAL, 666 /* Common symbol. */ 667 COFF_SYMBOL_COMMON, 668 /* Undefined symbol. */ 669 COFF_SYMBOL_UNDEFINED, 670 /* Local symbol. */ 671 COFF_SYMBOL_LOCAL, 672 /* PE section symbol. */ 673 COFF_SYMBOL_PE_SECTION 674 }; 675 676 typedef struct 677 { 678 void (*_bfd_coff_swap_aux_in) 679 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 680 681 void (*_bfd_coff_swap_sym_in) 682 PARAMS ((bfd *, PTR, PTR)); 683 684 void (*_bfd_coff_swap_lineno_in) 685 PARAMS ((bfd *, PTR, PTR)); 686 687 unsigned int (*_bfd_coff_swap_aux_out) 688 PARAMS ((bfd *, PTR, int, int, int, int, PTR)); 689 690 unsigned int (*_bfd_coff_swap_sym_out) 691 PARAMS ((bfd *, PTR, PTR)); 692 693 unsigned int (*_bfd_coff_swap_lineno_out) 694 PARAMS ((bfd *, PTR, PTR)); 695 696 unsigned int (*_bfd_coff_swap_reloc_out) 697 PARAMS ((bfd *, PTR, PTR)); 698 699 unsigned int (*_bfd_coff_swap_filehdr_out) 700 PARAMS ((bfd *, PTR, PTR)); 701 702 unsigned int (*_bfd_coff_swap_aouthdr_out) 703 PARAMS ((bfd *, PTR, PTR)); 704 705 unsigned int (*_bfd_coff_swap_scnhdr_out) 706 PARAMS ((bfd *, PTR, PTR)); 707 708 unsigned int _bfd_filhsz; 709 unsigned int _bfd_aoutsz; 710 unsigned int _bfd_scnhsz; 711 unsigned int _bfd_symesz; 712 unsigned int _bfd_auxesz; 713 unsigned int _bfd_relsz; 714 unsigned int _bfd_linesz; 715 unsigned int _bfd_filnmlen; 716 bfd_boolean _bfd_coff_long_filenames; 717 bfd_boolean _bfd_coff_long_section_names; 718 unsigned int _bfd_coff_default_section_alignment_power; 719 bfd_boolean _bfd_coff_force_symnames_in_strings; 720 unsigned int _bfd_coff_debug_string_prefix_length; 721 722 void (*_bfd_coff_swap_filehdr_in) 723 PARAMS ((bfd *, PTR, PTR)); 724 725 void (*_bfd_coff_swap_aouthdr_in) 726 PARAMS ((bfd *, PTR, PTR)); 727 728 void (*_bfd_coff_swap_scnhdr_in) 729 PARAMS ((bfd *, PTR, PTR)); 730 731 void (*_bfd_coff_swap_reloc_in) 732 PARAMS ((bfd *abfd, PTR, PTR)); 733 734 bfd_boolean (*_bfd_coff_bad_format_hook) 735 PARAMS ((bfd *, PTR)); 736 737 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 738 PARAMS ((bfd *, PTR)); 739 740 PTR (*_bfd_coff_mkobject_hook) 741 PARAMS ((bfd *, PTR, PTR)); 742 743 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 744 PARAMS ((bfd *, PTR, const char *, asection *, flagword *)); 745 746 void (*_bfd_set_alignment_hook) 747 PARAMS ((bfd *, asection *, PTR)); 748 749 bfd_boolean (*_bfd_coff_slurp_symbol_table) 750 PARAMS ((bfd *)); 751 752 bfd_boolean (*_bfd_coff_symname_in_debug) 753 PARAMS ((bfd *, struct internal_syment *)); 754 755 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 756 PARAMS ((bfd *, combined_entry_type *, combined_entry_type *, 757 unsigned int, combined_entry_type *)); 758 759 bfd_boolean (*_bfd_coff_print_aux) 760 PARAMS ((bfd *, FILE *, combined_entry_type *, combined_entry_type *, 761 combined_entry_type *, unsigned int)); 762 763 void (*_bfd_coff_reloc16_extra_cases) 764 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 765 bfd_byte *, unsigned int *, unsigned int *)); 766 767 int (*_bfd_coff_reloc16_estimate) 768 PARAMS ((bfd *, asection *, arelent *, unsigned int, 769 struct bfd_link_info *)); 770 771 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 772 PARAMS ((bfd *, struct internal_syment *)); 773 774 bfd_boolean (*_bfd_coff_compute_section_file_positions) 775 PARAMS ((bfd *)); 776 777 bfd_boolean (*_bfd_coff_start_final_link) 778 PARAMS ((bfd *, struct bfd_link_info *)); 779 780 bfd_boolean (*_bfd_coff_relocate_section) 781 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 782 struct internal_reloc *, struct internal_syment *, asection **)); 783 784 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 785 PARAMS ((bfd *, asection *, struct internal_reloc *, 786 struct coff_link_hash_entry *, struct internal_syment *, 787 bfd_vma *)); 788 789 bfd_boolean (*_bfd_coff_adjust_symndx) 790 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, 791 struct internal_reloc *, bfd_boolean *)); 792 793 bfd_boolean (*_bfd_coff_link_add_one_symbol) 794 PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, 795 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 796 struct bfd_link_hash_entry **)); 797 798 bfd_boolean (*_bfd_coff_link_output_has_begun) 799 PARAMS ((bfd *, struct coff_final_link_info *)); 800 801 bfd_boolean (*_bfd_coff_final_link_postscript) 802 PARAMS ((bfd *, struct coff_final_link_info *)); 803 804 } bfd_coff_backend_data; 805 806 #define coff_backend_info(abfd) \ 807 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 808 809 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 810 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 811 812 #define bfd_coff_swap_sym_in(a,e,i) \ 813 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 814 815 #define bfd_coff_swap_lineno_in(a,e,i) \ 816 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 817 818 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 819 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 820 821 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 822 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 823 824 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 825 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 826 827 #define bfd_coff_swap_sym_out(abfd, i,o) \ 828 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 829 830 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 831 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 832 833 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 834 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 835 836 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 837 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 838 839 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 840 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 841 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 842 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 843 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 844 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 845 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 846 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 847 #define bfd_coff_long_filenames(abfd) \ 848 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 849 #define bfd_coff_long_section_names(abfd) \ 850 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 851 #define bfd_coff_default_section_alignment_power(abfd) \ 852 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 853 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 854 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 855 856 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 857 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 858 859 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 860 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 861 862 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 863 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 864 865 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 866 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 867 868 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 869 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 870 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 871 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 872 (abfd, filehdr, aouthdr)) 873 874 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 875 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 876 (abfd, scnhdr, name, section, flags_ptr)) 877 878 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 879 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 880 881 #define bfd_coff_slurp_symbol_table(abfd)\ 882 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 883 884 #define bfd_coff_symname_in_debug(abfd, sym)\ 885 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 886 887 #define bfd_coff_force_symnames_in_strings(abfd)\ 888 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 889 890 #define bfd_coff_debug_string_prefix_length(abfd)\ 891 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 892 893 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 894 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 895 (abfd, file, base, symbol, aux, indaux)) 896 897 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 898 reloc, data, src_ptr, dst_ptr)\ 899 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 900 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 901 902 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 903 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 904 (abfd, section, reloc, shrink, link_info)) 905 906 #define bfd_coff_classify_symbol(abfd, sym)\ 907 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 908 (abfd, sym)) 909 910 #define bfd_coff_compute_section_file_positions(abfd)\ 911 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 912 (abfd)) 913 914 #define bfd_coff_start_final_link(obfd, info)\ 915 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 916 (obfd, info)) 917 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 918 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 919 (obfd, info, ibfd, o, con, rel, isyms, secs)) 920 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 921 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 922 (abfd, sec, rel, h, sym, addendp)) 923 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 924 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 925 (obfd, info, ibfd, sec, rel, adjustedp)) 926 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 927 value, string, cp, coll, hashp)\ 928 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 929 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 930 931 #define bfd_coff_link_output_has_begun(a,p) \ 932 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p)) 933 #define bfd_coff_final_link_postscript(a,p) \ 934 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p)) 935 936