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 (C) 1990-2020 Free Software Foundation, Inc. 7 Written by Cygnus Support. 8 9 This file is part of BFD, the Binary File Descriptor library. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 3 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 24 MA 02110-1301, USA. */ 25 26 #ifndef _LIBCOFF_H 27 #define _LIBCOFF_H 1 28 29 #include "bfdlink.h" 30 #include "coff-bfd.h" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* Object file tdata; access macros. */ 37 38 #define coff_data(bfd) ((bfd)->tdata.coff_obj_data) 39 #define obj_pe(bfd) (coff_data (bfd)->pe) 40 #define obj_symbols(bfd) (coff_data (bfd)->symbols) 41 #define obj_sym_filepos(bfd) (coff_data (bfd)->sym_filepos) 42 #define obj_relocbase(bfd) (coff_data (bfd)->relocbase) 43 #define obj_raw_syments(bfd) (coff_data (bfd)->raw_syments) 44 #define obj_raw_syment_count(bfd) (coff_data (bfd)->raw_syment_count) 45 #define obj_convert(bfd) (coff_data (bfd)->conversion_table) 46 #define obj_conv_table_size(bfd) (coff_data (bfd)->conv_table_size) 47 #define obj_coff_external_syms(bfd) (coff_data (bfd)->external_syms) 48 #define obj_coff_keep_syms(bfd) (coff_data (bfd)->keep_syms) 49 #define obj_coff_strings(bfd) (coff_data (bfd)->strings) 50 #define obj_coff_strings_len(bfd) (coff_data (bfd)->strings_len) 51 #define obj_coff_keep_strings(bfd) (coff_data (bfd)->keep_strings) 52 #define obj_coff_sym_hashes(bfd) (coff_data (bfd)->sym_hashes) 53 #define obj_coff_strings_written(bfd) (coff_data (bfd)->strings_written) 54 #define obj_coff_local_toc_table(bfd) (coff_data (bfd)->local_toc_sym_map) 55 56 /* `Tdata' information kept for COFF files. */ 57 58 typedef struct coff_tdata 59 { 60 struct coff_symbol_struct *symbols; /* Symtab for input bfd. */ 61 unsigned int *conversion_table; 62 int conv_table_size; 63 file_ptr sym_filepos; 64 65 struct coff_ptr_struct *raw_syments; 66 unsigned long raw_syment_count; 67 68 /* These are only valid once writing has begun. */ 69 unsigned long int relocbase; 70 71 /* These members communicate important constants about the symbol table 72 to GDB's symbol-reading code. These `constants' unfortunately vary 73 from coff implementation to implementation... */ 74 unsigned local_n_btmask; 75 unsigned local_n_btshft; 76 unsigned local_n_tmask; 77 unsigned local_n_tshift; 78 unsigned local_symesz; 79 unsigned local_auxesz; 80 unsigned local_linesz; 81 82 /* The unswapped external symbols. May be NULL. Read by 83 _bfd_coff_get_external_symbols. */ 84 void * external_syms; 85 /* If this is TRUE, the external_syms may not be freed. */ 86 bfd_boolean keep_syms; 87 88 /* The string table. May be NULL. Read by 89 _bfd_coff_read_string_table. */ 90 char *strings; 91 /* The length of the strings table. For error checking. */ 92 bfd_size_type strings_len; 93 /* If this is TRUE, the strings may not be freed. */ 94 bfd_boolean keep_strings; 95 /* If this is TRUE, the strings have been written out already. */ 96 bfd_boolean strings_written; 97 98 /* Is this a PE format coff file? */ 99 int pe; 100 /* Used by the COFF backend linker. */ 101 struct coff_link_hash_entry **sym_hashes; 102 103 /* Used by the pe linker for PowerPC. */ 104 int *local_toc_sym_map; 105 106 struct bfd_link_info *link_info; 107 108 /* Used by coff_find_nearest_line. */ 109 void * line_info; 110 111 /* A place to stash dwarf2 info for this bfd. */ 112 void * dwarf2_find_line_info; 113 114 /* The timestamp from the COFF file header. */ 115 long timestamp; 116 117 /* Copy of some of the f_flags bits in the COFF filehdr structure, 118 used by ARM code. */ 119 flagword flags; 120 121 /* coff-stgo32 EXE stub header after BFD tdata has been allocated. Its data 122 is kept in internal_filehdr.go32stub beforehand. */ 123 char *go32stub; 124 } coff_data_type; 125 126 /* Tdata for pe image files. */ 127 typedef struct pe_tdata 128 { 129 coff_data_type coff; 130 struct internal_extra_pe_aouthdr pe_opthdr; 131 int dll; 132 int has_reloc_section; 133 int dont_strip_reloc; 134 int dos_message[16]; 135 bfd_boolean insert_timestamp; 136 bfd_boolean (*in_reloc_p) (bfd *, reloc_howto_type *); 137 flagword real_flags; 138 139 /* Build-id info. */ 140 struct 141 { 142 bfd_boolean (*after_write_object_contents) (bfd *); 143 const char *style; 144 asection *sec; 145 } build_id; 146 } pe_data_type; 147 148 #define pe_data(bfd) ((bfd)->tdata.pe_obj_data) 149 150 /* Tdata for XCOFF files. */ 151 152 struct xcoff_tdata 153 { 154 /* Basic COFF information. */ 155 coff_data_type coff; 156 157 /* TRUE if this is an XCOFF64 file. */ 158 bfd_boolean xcoff64; 159 160 /* TRUE if a large a.out header should be generated. */ 161 bfd_boolean full_aouthdr; 162 163 /* TOC value. */ 164 bfd_vma toc; 165 166 /* Index of section holding TOC. */ 167 int sntoc; 168 169 /* Index of section holding entry point. */ 170 int snentry; 171 172 /* .text alignment from optional header. */ 173 int text_align_power; 174 175 /* .data alignment from optional header. */ 176 int data_align_power; 177 178 /* modtype from optional header. */ 179 short modtype; 180 181 /* cputype from optional header. */ 182 short cputype; 183 184 /* maxdata from optional header. */ 185 bfd_vma maxdata; 186 187 /* maxstack from optional header. */ 188 bfd_vma maxstack; 189 190 /* Used by the XCOFF backend linker. */ 191 asection **csects; 192 long *debug_indices; 193 unsigned int *lineno_counts; 194 unsigned int import_file_id; 195 }; 196 197 #define xcoff_data(abfd) ((abfd)->tdata.xcoff_obj_data) 198 199 /* We take the address of the first element of an asymbol to ensure that the 200 macro is only ever applied to an asymbol. */ 201 #define coffsymbol(asymbol) ((coff_symbol_type *)(&((asymbol)->the_bfd))) 202 203 /* Tdata for sections in XCOFF files. This is used by the linker. */ 204 205 struct xcoff_section_tdata 206 { 207 /* Used for XCOFF csects created by the linker; points to the real 208 XCOFF section which contains this csect. */ 209 asection *enclosing; 210 /* The lineno_count field for the enclosing section, because we are 211 going to clobber it there. */ 212 unsigned int lineno_count; 213 /* The first and last symbol indices for symbols used by this csect. */ 214 unsigned long first_symndx; 215 unsigned long last_symndx; 216 }; 217 218 /* An accessor macro the xcoff_section_tdata structure. */ 219 #define xcoff_section_data(abfd, sec) \ 220 ((struct xcoff_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 221 222 /* Tdata for sections in PE files. */ 223 224 struct pei_section_tdata 225 { 226 /* The virtual size of the section. */ 227 bfd_size_type virt_size; 228 /* The PE section flags. */ 229 long pe_flags; 230 }; 231 232 /* An accessor macro for the pei_section_tdata structure. */ 233 #define pei_section_data(abfd, sec) \ 234 ((struct pei_section_tdata *) coff_section_data ((abfd), (sec))->tdata) 235 236 /* COFF linker hash table entries. */ 237 238 struct coff_link_hash_entry 239 { 240 struct bfd_link_hash_entry root; 241 242 /* Symbol index in output file. Set to -1 initially. Set to -2 if 243 there is a reloc against this symbol. */ 244 long indx; 245 246 /* Symbol type. */ 247 unsigned short type; 248 249 /* Symbol class. */ 250 unsigned char symbol_class; 251 252 /* Number of auxiliary entries. */ 253 char numaux; 254 255 /* BFD to take auxiliary entries from. */ 256 bfd *auxbfd; 257 258 /* Pointer to array of auxiliary entries, if any. */ 259 union internal_auxent *aux; 260 261 /* Flag word; legal values follow. */ 262 unsigned short coff_link_hash_flags; 263 /* Symbol is a PE section symbol. */ 264 #define COFF_LINK_HASH_PE_SECTION_SYMBOL (01) 265 }; 266 267 /* COFF linker hash table. */ 268 269 struct coff_link_hash_table 270 { 271 struct bfd_link_hash_table root; 272 /* A pointer to information used to link stabs in sections. */ 273 struct stab_info stab_info; 274 }; 275 276 struct coff_reloc_cookie 277 { 278 struct internal_reloc * rels; 279 struct internal_reloc * rel; 280 struct internal_reloc * relend; 281 struct coff_symbol_struct * symbols; /* Symtab for input bfd. */ 282 bfd * abfd; 283 struct coff_link_hash_entry ** sym_hashes; 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 (*) (struct bfd_link_hash_entry *, void *)) (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 (bfd *); 308 extern struct bfd_section *coff_section_from_bfd_index 309 (bfd *, int); 310 extern long coff_get_symtab_upper_bound 311 (bfd *); 312 extern long coff_canonicalize_symtab 313 (bfd *, asymbol **); 314 extern int coff_count_linenumbers 315 (bfd *); 316 extern bfd_boolean coff_renumber_symbols 317 (bfd *, int *); 318 extern void coff_mangle_symbols 319 (bfd *); 320 extern bfd_boolean coff_write_symbols 321 (bfd *); 322 extern bfd_boolean coff_write_alien_symbol 323 (bfd *, asymbol *, struct internal_syment *, union internal_auxent *, 324 bfd_vma *, bfd_size_type *, asection **, bfd_size_type *); 325 extern bfd_boolean coff_write_linenumbers 326 (bfd *); 327 extern alent *coff_get_lineno 328 (bfd *, asymbol *); 329 extern asymbol *coff_section_symbol 330 (bfd *, char *); 331 extern bfd_boolean _bfd_coff_get_external_symbols 332 (bfd *); 333 extern const char *_bfd_coff_read_string_table 334 (bfd *); 335 extern bfd_boolean _bfd_coff_free_symbols 336 (bfd *); 337 extern struct coff_ptr_struct *coff_get_normalized_symtab 338 (bfd *); 339 extern long coff_get_reloc_upper_bound 340 (bfd *, sec_ptr); 341 extern asymbol *coff_make_empty_symbol 342 (bfd *); 343 extern void coff_print_symbol 344 (bfd *, void * filep, asymbol *, bfd_print_symbol_type); 345 extern void coff_get_symbol_info 346 (bfd *, asymbol *, symbol_info *ret); 347 #define coff_get_symbol_version_string \ 348 _bfd_nosymbols_get_symbol_version_string 349 extern bfd_boolean _bfd_coff_is_local_label_name 350 (bfd *, const char *); 351 extern asymbol *coff_bfd_make_debug_symbol 352 (bfd *, void *, unsigned long); 353 extern bfd_boolean coff_find_nearest_line 354 (bfd *, asymbol **, asection *, bfd_vma, 355 const char **, const char **, unsigned int *, unsigned int *); 356 #define coff_find_line _bfd_nosymbols_find_line 357 struct dwarf_debug_section; 358 extern bfd_boolean coff_find_nearest_line_with_names 359 (bfd *, asymbol **, asection *, bfd_vma, const char **, const char **, 360 unsigned int *, const struct dwarf_debug_section *); 361 extern bfd_boolean coff_find_inliner_info 362 (bfd *, const char **, const char **, unsigned int *); 363 extern int coff_sizeof_headers 364 (bfd *, struct bfd_link_info *); 365 extern bfd_boolean bfd_coff_reloc16_relax_section 366 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *); 367 extern bfd_byte *bfd_coff_reloc16_get_relocated_section_contents 368 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 369 bfd_byte *, bfd_boolean, asymbol **); 370 extern bfd_vma bfd_coff_reloc16_get_value 371 (arelent *, struct bfd_link_info *, asection *); 372 extern void bfd_perform_slip 373 (bfd *, unsigned int, asection *, bfd_vma); 374 extern bfd_boolean _bfd_coff_close_and_cleanup 375 (bfd *); 376 377 /* Functions and types in cofflink.c. */ 378 379 #define STRING_SIZE_SIZE 4 380 381 /* We use a hash table to merge identical enum, struct, and union 382 definitions in the linker. */ 383 384 /* Information we keep for a single element (an enum value, a 385 structure or union field) in the debug merge hash table. */ 386 387 struct coff_debug_merge_element 388 { 389 /* Next element. */ 390 struct coff_debug_merge_element *next; 391 392 /* Name. */ 393 const char *name; 394 395 /* Type. */ 396 unsigned int type; 397 398 /* Symbol index for complex type. */ 399 long tagndx; 400 }; 401 402 /* A linked list of debug merge entries for a given name. */ 403 404 struct coff_debug_merge_type 405 { 406 /* Next type with the same name. */ 407 struct coff_debug_merge_type *next; 408 409 /* Class of type. */ 410 int type_class; 411 412 /* Symbol index where this type is defined. */ 413 long indx; 414 415 /* List of elements. */ 416 struct coff_debug_merge_element *elements; 417 }; 418 419 /* Information we store in the debug merge hash table. */ 420 421 struct coff_debug_merge_hash_entry 422 { 423 struct bfd_hash_entry root; 424 425 /* A list of types with this name. */ 426 struct coff_debug_merge_type *types; 427 }; 428 429 /* The debug merge hash table. */ 430 431 struct coff_debug_merge_hash_table 432 { 433 struct bfd_hash_table root; 434 }; 435 436 /* Initialize a COFF debug merge hash table. */ 437 438 #define coff_debug_merge_hash_table_init(table) \ 439 (bfd_hash_table_init (&(table)->root, _bfd_coff_debug_merge_hash_newfunc, \ 440 sizeof (struct coff_debug_merge_hash_entry))) 441 442 /* Free a COFF debug merge hash table. */ 443 444 #define coff_debug_merge_hash_table_free(table) \ 445 (bfd_hash_table_free (&(table)->root)) 446 447 /* Look up an entry in a COFF debug merge hash table. */ 448 449 #define coff_debug_merge_hash_lookup(table, string, create, copy) \ 450 ((struct coff_debug_merge_hash_entry *) \ 451 bfd_hash_lookup (&(table)->root, (string), (create), (copy))) 452 453 /* Information we keep for each section in the output file when doing 454 a relocatable link. */ 455 456 struct coff_link_section_info 457 { 458 /* The relocs to be output. */ 459 struct internal_reloc *relocs; 460 /* For each reloc against a global symbol whose index was not known 461 when the reloc was handled, the global hash table entry. */ 462 struct coff_link_hash_entry **rel_hashes; 463 }; 464 465 /* Information that we pass around while doing the final link step. */ 466 467 struct coff_final_link_info 468 { 469 /* General link information. */ 470 struct bfd_link_info *info; 471 /* Output BFD. */ 472 bfd *output_bfd; 473 /* Used to indicate failure in traversal routine. */ 474 bfd_boolean failed; 475 /* If doing "task linking" set only during the time when we want the 476 global symbol writer to convert the storage class of defined global 477 symbols from global to static. */ 478 bfd_boolean global_to_static; 479 /* Hash table for long symbol names. */ 480 struct bfd_strtab_hash *strtab; 481 /* When doing a relocatable link, an array of information kept for 482 each output section, indexed by the target_index field. */ 483 struct coff_link_section_info *section_info; 484 /* Symbol index of last C_FILE symbol (-1 if none). */ 485 long last_file_index; 486 /* Contents of last C_FILE symbol. */ 487 struct internal_syment last_file; 488 /* Symbol index of first aux entry of last .bf symbol with an empty 489 endndx field (-1 if none). */ 490 long last_bf_index; 491 /* Contents of last_bf_index aux entry. */ 492 union internal_auxent last_bf; 493 /* Hash table used to merge debug information. */ 494 struct coff_debug_merge_hash_table debug_merge; 495 /* Buffer large enough to hold swapped symbols of any input file. */ 496 struct internal_syment *internal_syms; 497 /* Buffer large enough to hold sections of symbols of any input file. */ 498 asection **sec_ptrs; 499 /* Buffer large enough to hold output indices of symbols of any 500 input file. */ 501 long *sym_indices; 502 /* Buffer large enough to hold output symbols for any input file. */ 503 bfd_byte *outsyms; 504 /* Buffer large enough to hold external line numbers for any input 505 section. */ 506 bfd_byte *linenos; 507 /* Buffer large enough to hold any input section. */ 508 bfd_byte *contents; 509 /* Buffer large enough to hold external relocs of any input section. */ 510 bfd_byte *external_relocs; 511 /* Buffer large enough to hold swapped relocs of any input section. */ 512 struct internal_reloc *internal_relocs; 513 }; 514 515 /* Most COFF variants have no way to record the alignment of a 516 section. This struct is used to set a specific alignment based on 517 the name of the section. */ 518 519 struct coff_section_alignment_entry 520 { 521 /* The section name. */ 522 const char *name; 523 524 /* This is either (unsigned int) -1, indicating that the section 525 name must match exactly, or it is the number of letters which 526 must match at the start of the name. */ 527 unsigned int comparison_length; 528 529 /* These macros may be used to fill in the first two fields in a 530 structure initialization. */ 531 #define COFF_SECTION_NAME_EXACT_MATCH(name) (name), ((unsigned int) -1) 532 #define COFF_SECTION_NAME_PARTIAL_MATCH(name) (name), (sizeof (name) - 1) 533 534 /* Only use this entry if the default section alignment for this 535 target is at least that much (as a power of two). If this field 536 is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 537 unsigned int default_alignment_min; 538 539 /* Only use this entry if the default section alignment for this 540 target is no greater than this (as a power of two). If this 541 field is COFF_ALIGNMENT_FIELD_EMPTY, it should be ignored. */ 542 unsigned int default_alignment_max; 543 544 #define COFF_ALIGNMENT_FIELD_EMPTY ((unsigned int) -1) 545 546 /* The desired alignment for this section (as a power of two). */ 547 unsigned int alignment_power; 548 }; 549 550 extern struct bfd_hash_entry *_bfd_coff_link_hash_newfunc 551 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 552 extern bfd_boolean _bfd_coff_link_hash_table_init 553 (struct coff_link_hash_table *, bfd *, 554 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 555 struct bfd_hash_table *, 556 const char *), 557 unsigned int); 558 extern struct bfd_link_hash_table *_bfd_coff_link_hash_table_create 559 (bfd *); 560 extern const char *_bfd_coff_internal_syment_name 561 (bfd *, const struct internal_syment *, char *); 562 extern bfd_boolean _bfd_coff_section_already_linked 563 (bfd *, asection *, struct bfd_link_info *); 564 extern bfd_boolean _bfd_coff_link_add_symbols 565 (bfd *, struct bfd_link_info *); 566 extern bfd_boolean _bfd_coff_final_link 567 (bfd *, struct bfd_link_info *); 568 extern struct internal_reloc *_bfd_coff_read_internal_relocs 569 (bfd *, asection *, bfd_boolean, bfd_byte *, bfd_boolean, 570 struct internal_reloc *); 571 extern bfd_boolean _bfd_coff_generic_relocate_section 572 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 573 struct internal_reloc *, struct internal_syment *, asection **); 574 extern struct bfd_hash_entry *_bfd_coff_debug_merge_hash_newfunc 575 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 576 extern bfd_boolean _bfd_coff_write_global_sym 577 (struct bfd_hash_entry *, void *); 578 extern bfd_boolean _bfd_coff_write_task_globals 579 (struct coff_link_hash_entry *, void *); 580 extern bfd_boolean _bfd_coff_link_input_bfd 581 (struct coff_final_link_info *, bfd *); 582 extern bfd_boolean _bfd_coff_reloc_link_order 583 (bfd *, struct coff_final_link_info *, asection *, 584 struct bfd_link_order *); 585 extern bfd_boolean bfd_coff_gc_sections 586 (bfd *, struct bfd_link_info *); 587 extern const char *bfd_coff_group_name 588 (bfd *, const asection *); 589 590 #define coff_get_section_contents_in_window \ 591 _bfd_generic_get_section_contents_in_window 592 593 /* Functions in xcofflink.c. */ 594 595 extern long _bfd_xcoff_get_dynamic_symtab_upper_bound 596 (bfd *); 597 extern long _bfd_xcoff_canonicalize_dynamic_symtab 598 (bfd *, asymbol **); 599 extern long _bfd_xcoff_get_dynamic_reloc_upper_bound 600 (bfd *); 601 extern long _bfd_xcoff_canonicalize_dynamic_reloc 602 (bfd *, arelent **, asymbol **); 603 extern struct bfd_link_hash_table *_bfd_xcoff_bfd_link_hash_table_create 604 (bfd *); 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. */ 623 624 typedef struct coff_ptr_struct 625 { 626 /* Remembers the offset from the first symbol in the file for 627 this symbol. Generated by coff_renumber_symbols. */ 628 unsigned int offset; 629 630 /* Should the value of this symbol be renumbered. Used for 631 XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ 632 unsigned int fix_value : 1; 633 634 /* Should the tag field of this symbol be renumbered. 635 Created by coff_pointerize_aux. */ 636 unsigned int fix_tag : 1; 637 638 /* Should the endidx field of this symbol be renumbered. 639 Created by coff_pointerize_aux. */ 640 unsigned int fix_end : 1; 641 642 /* Should the x_csect.x_scnlen field be renumbered. 643 Created by coff_pointerize_aux. */ 644 unsigned int fix_scnlen : 1; 645 646 /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the 647 index into the line number entries. Set by coff_slurp_symbol_table. */ 648 unsigned int fix_line : 1; 649 650 /* The container for the symbol structure as read and translated 651 from the file. */ 652 union 653 { 654 union internal_auxent auxent; 655 struct internal_syment syment; 656 } u; 657 658 /* Selector for the union above. */ 659 bfd_boolean is_sym; 660 } combined_entry_type; 661 662 663 /* Each canonical asymbol really looks like this: */ 664 665 typedef struct coff_symbol_struct 666 { 667 /* The actual symbol which the rest of BFD works with */ 668 asymbol symbol; 669 670 /* A pointer to the hidden information for this symbol */ 671 combined_entry_type *native; 672 673 /* A pointer to the linenumber information for this symbol */ 674 struct lineno_cache_entry *lineno; 675 676 /* Have the line numbers been relocated yet ? */ 677 bfd_boolean done_lineno; 678 } coff_symbol_type; 679 /* COFF symbol classifications. */ 680 681 enum coff_symbol_classification 682 { 683 /* Global symbol. */ 684 COFF_SYMBOL_GLOBAL, 685 /* Common symbol. */ 686 COFF_SYMBOL_COMMON, 687 /* Undefined symbol. */ 688 COFF_SYMBOL_UNDEFINED, 689 /* Local symbol. */ 690 COFF_SYMBOL_LOCAL, 691 /* PE section symbol. */ 692 COFF_SYMBOL_PE_SECTION 693 }; 694 695 typedef asection * (*coff_gc_mark_hook_fn) 696 (asection *, struct bfd_link_info *, struct internal_reloc *, 697 struct coff_link_hash_entry *, struct internal_syment *); 698 699 typedef struct 700 { 701 void (*_bfd_coff_swap_aux_in) 702 (bfd *, void *, int, int, int, int, void *); 703 704 void (*_bfd_coff_swap_sym_in) 705 (bfd *, void *, void *); 706 707 void (*_bfd_coff_swap_lineno_in) 708 (bfd *, void *, void *); 709 710 unsigned int (*_bfd_coff_swap_aux_out) 711 (bfd *, void *, int, int, int, int, void *); 712 713 unsigned int (*_bfd_coff_swap_sym_out) 714 (bfd *, void *, void *); 715 716 unsigned int (*_bfd_coff_swap_lineno_out) 717 (bfd *, void *, void *); 718 719 unsigned int (*_bfd_coff_swap_reloc_out) 720 (bfd *, void *, void *); 721 722 unsigned int (*_bfd_coff_swap_filehdr_out) 723 (bfd *, void *, void *); 724 725 unsigned int (*_bfd_coff_swap_aouthdr_out) 726 (bfd *, void *, void *); 727 728 unsigned int (*_bfd_coff_swap_scnhdr_out) 729 (bfd *, void *, void *); 730 731 unsigned int _bfd_filhsz; 732 unsigned int _bfd_aoutsz; 733 unsigned int _bfd_scnhsz; 734 unsigned int _bfd_symesz; 735 unsigned int _bfd_auxesz; 736 unsigned int _bfd_relsz; 737 unsigned int _bfd_linesz; 738 unsigned int _bfd_filnmlen; 739 bfd_boolean _bfd_coff_long_filenames; 740 741 bfd_boolean _bfd_coff_long_section_names; 742 bfd_boolean (*_bfd_coff_set_long_section_names) 743 (bfd *, int); 744 745 unsigned int _bfd_coff_default_section_alignment_power; 746 bfd_boolean _bfd_coff_force_symnames_in_strings; 747 unsigned int _bfd_coff_debug_string_prefix_length; 748 unsigned int _bfd_coff_max_nscns; 749 750 void (*_bfd_coff_swap_filehdr_in) 751 (bfd *, void *, void *); 752 753 void (*_bfd_coff_swap_aouthdr_in) 754 (bfd *, void *, void *); 755 756 void (*_bfd_coff_swap_scnhdr_in) 757 (bfd *, void *, void *); 758 759 void (*_bfd_coff_swap_reloc_in) 760 (bfd *abfd, void *, void *); 761 762 bfd_boolean (*_bfd_coff_bad_format_hook) 763 (bfd *, void *); 764 765 bfd_boolean (*_bfd_coff_set_arch_mach_hook) 766 (bfd *, void *); 767 768 void * (*_bfd_coff_mkobject_hook) 769 (bfd *, void *, void *); 770 771 bfd_boolean (*_bfd_styp_to_sec_flags_hook) 772 (bfd *, void *, const char *, asection *, flagword *); 773 774 void (*_bfd_set_alignment_hook) 775 (bfd *, asection *, void *); 776 777 bfd_boolean (*_bfd_coff_slurp_symbol_table) 778 (bfd *); 779 780 bfd_boolean (*_bfd_coff_symname_in_debug) 781 (bfd *, struct internal_syment *); 782 783 bfd_boolean (*_bfd_coff_pointerize_aux_hook) 784 (bfd *, combined_entry_type *, combined_entry_type *, 785 unsigned int, combined_entry_type *); 786 787 bfd_boolean (*_bfd_coff_print_aux) 788 (bfd *, FILE *, combined_entry_type *, combined_entry_type *, 789 combined_entry_type *, unsigned int); 790 791 void (*_bfd_coff_reloc16_extra_cases) 792 (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, 793 bfd_byte *, unsigned int *, unsigned int *); 794 795 int (*_bfd_coff_reloc16_estimate) 796 (bfd *, asection *, arelent *, unsigned int, 797 struct bfd_link_info *); 798 799 enum coff_symbol_classification (*_bfd_coff_classify_symbol) 800 (bfd *, struct internal_syment *); 801 802 bfd_boolean (*_bfd_coff_compute_section_file_positions) 803 (bfd *); 804 805 bfd_boolean (*_bfd_coff_start_final_link) 806 (bfd *, struct bfd_link_info *); 807 808 bfd_boolean (*_bfd_coff_relocate_section) 809 (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, 810 struct internal_reloc *, struct internal_syment *, asection **); 811 812 reloc_howto_type *(*_bfd_coff_rtype_to_howto) 813 (bfd *, asection *, struct internal_reloc *, 814 struct coff_link_hash_entry *, struct internal_syment *, bfd_vma *); 815 816 bfd_boolean (*_bfd_coff_adjust_symndx) 817 (bfd *, struct bfd_link_info *, bfd *, asection *, 818 struct internal_reloc *, bfd_boolean *); 819 820 bfd_boolean (*_bfd_coff_link_add_one_symbol) 821 (struct bfd_link_info *, bfd *, const char *, flagword, 822 asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, 823 struct bfd_link_hash_entry **); 824 825 bfd_boolean (*_bfd_coff_link_output_has_begun) 826 (bfd *, struct coff_final_link_info *); 827 828 bfd_boolean (*_bfd_coff_final_link_postscript) 829 (bfd *, struct coff_final_link_info *); 830 831 bfd_boolean (*_bfd_coff_print_pdata) 832 (bfd *, void *); 833 834 } bfd_coff_backend_data; 835 836 #define coff_backend_info(abfd) \ 837 ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) 838 839 #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ 840 ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) 841 842 #define bfd_coff_swap_sym_in(a,e,i) \ 843 ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) 844 845 #define bfd_coff_swap_lineno_in(a,e,i) \ 846 ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) 847 848 #define bfd_coff_swap_reloc_out(abfd, i, o) \ 849 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) 850 851 #define bfd_coff_swap_lineno_out(abfd, i, o) \ 852 ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) 853 854 #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ 855 ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) 856 857 #define bfd_coff_swap_sym_out(abfd, i,o) \ 858 ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) 859 860 #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ 861 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) 862 863 #define bfd_coff_swap_filehdr_out(abfd, i,o) \ 864 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) 865 866 #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ 867 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) 868 869 #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) 870 #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) 871 #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) 872 #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) 873 #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) 874 #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) 875 #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) 876 #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) 877 #define bfd_coff_long_filenames(abfd) \ 878 (coff_backend_info (abfd)->_bfd_coff_long_filenames) 879 #define bfd_coff_long_section_names(abfd) \ 880 (coff_backend_info (abfd)->_bfd_coff_long_section_names) 881 #define bfd_coff_set_long_section_names(abfd, enable) \ 882 ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) 883 #define bfd_coff_default_section_alignment_power(abfd) \ 884 (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) 885 #define bfd_coff_max_nscns(abfd) \ 886 (coff_backend_info (abfd)->_bfd_coff_max_nscns) 887 888 #define bfd_coff_swap_filehdr_in(abfd, i,o) \ 889 ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) 890 891 #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ 892 ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) 893 894 #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ 895 ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) 896 897 #define bfd_coff_swap_reloc_in(abfd, i, o) \ 898 ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) 899 900 #define bfd_coff_bad_format_hook(abfd, filehdr) \ 901 ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) 902 903 #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ 904 ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) 905 #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ 906 ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ 907 (abfd, filehdr, aouthdr)) 908 909 #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ 910 ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ 911 (abfd, scnhdr, name, section, flags_ptr)) 912 913 #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ 914 ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) 915 916 #define bfd_coff_slurp_symbol_table(abfd)\ 917 ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) 918 919 #define bfd_coff_symname_in_debug(abfd, sym)\ 920 ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) 921 922 #define bfd_coff_force_symnames_in_strings(abfd)\ 923 (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) 924 925 #define bfd_coff_debug_string_prefix_length(abfd)\ 926 (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) 927 928 #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ 929 ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ 930 (abfd, file, base, symbol, aux, indaux)) 931 932 #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ 933 reloc, data, src_ptr, dst_ptr)\ 934 ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ 935 (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) 936 937 #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ 938 ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ 939 (abfd, section, reloc, shrink, link_info)) 940 941 #define bfd_coff_classify_symbol(abfd, sym)\ 942 ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ 943 (abfd, sym)) 944 945 #define bfd_coff_compute_section_file_positions(abfd)\ 946 ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ 947 (abfd)) 948 949 #define bfd_coff_start_final_link(obfd, info)\ 950 ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ 951 (obfd, info)) 952 #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ 953 ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ 954 (obfd, info, ibfd, o, con, rel, isyms, secs)) 955 #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ 956 ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ 957 (abfd, sec, rel, h, sym, addendp)) 958 #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ 959 ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ 960 (obfd, info, ibfd, sec, rel, adjustedp)) 961 #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ 962 value, string, cp, coll, hashp)\ 963 ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ 964 (info, abfd, name, flags, section, value, string, cp, coll, hashp)) 965 966 #define bfd_coff_link_output_has_begun(a,p) \ 967 ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) 968 #define bfd_coff_final_link_postscript(a,p) \ 969 ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) 970 971 #define bfd_coff_have_print_pdata(a) \ 972 (coff_backend_info (a)->_bfd_coff_print_pdata) 973 #define bfd_coff_print_pdata(a,p) \ 974 ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) 975 976 /* Macro: Returns true if the bfd is a PE executable as opposed to a 977 PE object file. */ 978 #define bfd_pei_p(abfd) \ 979 (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) 980 #ifdef __cplusplus 981 } 982 #endif 983 #endif 984