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