1 /* libbfd.h -- Declarations used by bfd library *implementation*. 2 (This include file is not for users of the library.) 3 4 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 5 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. 6 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 24 25 /* Align an address upward to a boundary, expressed as a number of bytes. 26 E.g. align to an 8-byte boundary with argument of 8. Take care never 27 to wrap around if the address is within boundary-1 of the end of the 28 address space. */ 29 #define BFD_ALIGN(this, boundary) \ 30 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ 31 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ 32 : ~ (bfd_vma) 0) 33 34 /* If you want to read and write large blocks, you might want to do it 35 in quanta of this amount */ 36 #define DEFAULT_BUFFERSIZE 8192 37 38 /* Set a tdata field. Can't use the other macros for this, since they 39 do casts, and casting to the left of assignment isn't portable. */ 40 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 41 42 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 43 to an instance of this structure. */ 44 45 struct bfd_in_memory 46 { 47 /* Size of buffer. */ 48 bfd_size_type size; 49 /* Buffer holding contents of BFD. */ 50 bfd_byte *buffer; 51 }; 52 53 /* tdata for an archive. For an input archive, cache 54 needs to be free()'d. For an output archive, symdefs do. */ 55 56 struct artdata { 57 file_ptr first_file_filepos; 58 /* Speed up searching the armap */ 59 struct ar_cache *cache; 60 bfd *archive_head; /* Only interesting in output routines */ 61 carsym *symdefs; /* the symdef entries */ 62 symindex symdef_count; /* how many there are */ 63 char *extended_names; /* clever intel extension */ 64 time_t armap_timestamp; /* Timestamp value written into armap. 65 This is used for BSD archives to check 66 that the timestamp is recent enough 67 for the BSD linker to not complain, 68 just before we finish writing an 69 archive. */ 70 file_ptr armap_datepos; /* Position within archive to seek to 71 rewrite the date field. */ 72 void *tdata; /* Backend specific information. */ 73 }; 74 75 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 76 77 /* Goes in bfd's arelt_data slot */ 78 struct areltdata { 79 char * arch_header; /* it's actually a string */ 80 unsigned int parsed_size; /* octets of filesize not including ar_hdr */ 81 char *filename; /* null-terminated */ 82 }; 83 84 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 85 86 extern void *bfd_malloc 87 (bfd_size_type); 88 extern void *bfd_realloc 89 (void *, bfd_size_type); 90 extern void *bfd_zmalloc 91 (bfd_size_type); 92 93 extern bfd_error_handler_type _bfd_error_handler; 94 95 /* These routines allocate and free things on the BFD's objalloc. */ 96 97 extern void *bfd_alloc 98 (bfd *, bfd_size_type); 99 extern void *bfd_zalloc 100 (bfd *, bfd_size_type); 101 extern void bfd_release 102 (bfd *, void *); 103 104 bfd * _bfd_create_empty_archive_element_shell 105 (bfd *obfd); 106 bfd * _bfd_look_for_bfd_in_cache 107 (bfd *, file_ptr); 108 bfd_boolean _bfd_add_bfd_to_archive_cache 109 (bfd *, file_ptr, bfd *); 110 bfd_boolean _bfd_generic_mkarchive 111 (bfd *abfd); 112 const bfd_target *bfd_generic_archive_p 113 (bfd *abfd); 114 bfd_boolean bfd_slurp_armap 115 (bfd *abfd); 116 bfd_boolean bfd_slurp_bsd_armap_f2 117 (bfd *abfd); 118 #define bfd_slurp_bsd_armap bfd_slurp_armap 119 #define bfd_slurp_coff_armap bfd_slurp_armap 120 bfd_boolean _bfd_slurp_extended_name_table 121 (bfd *abfd); 122 extern bfd_boolean _bfd_construct_extended_name_table 123 (bfd *, bfd_boolean, char **, bfd_size_type *); 124 bfd_boolean _bfd_write_archive_contents 125 (bfd *abfd); 126 bfd_boolean _bfd_compute_and_write_armap 127 (bfd *, unsigned int elength); 128 bfd *_bfd_get_elt_at_filepos 129 (bfd *archive, file_ptr filepos); 130 extern bfd *_bfd_generic_get_elt_at_index 131 (bfd *, symindex); 132 bfd * _bfd_new_bfd 133 (void); 134 void _bfd_delete_bfd 135 (bfd *); 136 137 bfd_boolean bfd_false 138 (bfd *ignore); 139 bfd_boolean bfd_true 140 (bfd *ignore); 141 void *bfd_nullvoidptr 142 (bfd *ignore); 143 int bfd_0 144 (bfd *ignore); 145 unsigned int bfd_0u 146 (bfd *ignore); 147 long bfd_0l 148 (bfd *ignore); 149 long _bfd_n1 150 (bfd *ignore); 151 void bfd_void 152 (bfd *ignore); 153 154 bfd *_bfd_new_bfd_contained_in 155 (bfd *); 156 const bfd_target *_bfd_dummy_target 157 (bfd *abfd); 158 159 void bfd_dont_truncate_arname 160 (bfd *abfd, const char *filename, char *hdr); 161 void bfd_bsd_truncate_arname 162 (bfd *abfd, const char *filename, char *hdr); 163 void bfd_gnu_truncate_arname 164 (bfd *abfd, const char *filename, char *hdr); 165 166 bfd_boolean bsd_write_armap 167 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 168 int stridx); 169 170 bfd_boolean coff_write_armap 171 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 172 int stridx); 173 174 extern void *_bfd_generic_read_ar_hdr 175 (bfd *); 176 177 extern void *_bfd_generic_read_ar_hdr_mag 178 (bfd *, const char *); 179 180 bfd * bfd_generic_openr_next_archived_file 181 (bfd *archive, bfd *last_file); 182 183 int bfd_generic_stat_arch_elt 184 (bfd *, struct stat *); 185 186 #define _bfd_read_ar_hdr(abfd) \ 187 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 188 189 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 190 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 191 192 #define _bfd_generic_close_and_cleanup bfd_true 193 #define _bfd_generic_bfd_free_cached_info bfd_true 194 #define _bfd_generic_new_section_hook \ 195 ((bfd_boolean (*) (bfd *, asection *)) bfd_true) 196 extern bfd_boolean _bfd_generic_get_section_contents 197 (bfd *, asection *, void *, file_ptr, bfd_size_type); 198 extern bfd_boolean _bfd_generic_get_section_contents_in_window 199 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); 200 201 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 202 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 203 204 #define _bfd_generic_bfd_copy_private_bfd_data \ 205 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 206 #define _bfd_generic_bfd_merge_private_bfd_data \ 207 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 208 #define _bfd_generic_bfd_set_private_flags \ 209 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 210 #define _bfd_generic_bfd_copy_private_section_data \ 211 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) 212 #define _bfd_generic_bfd_copy_private_symbol_data \ 213 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) 214 #define _bfd_generic_bfd_print_private_bfd_data \ 215 ((bfd_boolean (*) (bfd *, void *)) bfd_true) 216 217 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 218 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 219 220 extern char *_bfd_nocore_core_file_failing_command 221 (bfd *); 222 extern int _bfd_nocore_core_file_failing_signal 223 (bfd *); 224 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p 225 (bfd *, bfd *); 226 227 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 228 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 229 230 #define _bfd_noarchive_slurp_armap bfd_false 231 #define _bfd_noarchive_slurp_extended_name_table bfd_false 232 #define _bfd_noarchive_construct_extended_name_table \ 233 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ 234 bfd_false) 235 #define _bfd_noarchive_truncate_arname \ 236 ((void (*) (bfd *, const char *, char *)) bfd_void) 237 #define _bfd_noarchive_write_armap \ 238 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ 239 bfd_false) 240 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr 241 #define _bfd_noarchive_openr_next_archived_file \ 242 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) 243 #define _bfd_noarchive_get_elt_at_index \ 244 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) 245 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 246 #define _bfd_noarchive_update_armap_timestamp bfd_false 247 248 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 249 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 250 251 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 252 #define _bfd_archive_bsd_slurp_extended_name_table \ 253 _bfd_slurp_extended_name_table 254 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table 255 (bfd *, char **, bfd_size_type *, const char **); 256 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 257 #define _bfd_archive_bsd_write_armap bsd_write_armap 258 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 259 #define _bfd_archive_bsd_openr_next_archived_file \ 260 bfd_generic_openr_next_archived_file 261 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 262 #define _bfd_archive_bsd_generic_stat_arch_elt \ 263 bfd_generic_stat_arch_elt 264 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp 265 (bfd *); 266 267 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 268 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 269 270 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 271 #define _bfd_archive_coff_slurp_extended_name_table \ 272 _bfd_slurp_extended_name_table 273 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table 274 (bfd *, char **, bfd_size_type *, const char **); 275 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 276 #define _bfd_archive_coff_write_armap coff_write_armap 277 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 278 #define _bfd_archive_coff_openr_next_archived_file \ 279 bfd_generic_openr_next_archived_file 280 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 281 #define _bfd_archive_coff_generic_stat_arch_elt \ 282 bfd_generic_stat_arch_elt 283 #define _bfd_archive_coff_update_armap_timestamp bfd_true 284 285 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 286 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 287 288 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 289 #define _bfd_nosymbols_canonicalize_symtab \ 290 ((long (*) (bfd *, asymbol **)) _bfd_n1) 291 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 292 #define _bfd_nosymbols_print_symbol \ 293 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) 294 #define _bfd_nosymbols_get_symbol_info \ 295 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) 296 #define _bfd_nosymbols_bfd_is_local_label_name \ 297 ((bfd_boolean (*) (bfd *, const char *)) bfd_false) 298 #define _bfd_nosymbols_get_lineno \ 299 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) 300 #define _bfd_nosymbols_find_nearest_line \ 301 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ 302 const char **, unsigned int *)) \ 303 bfd_false) 304 #define _bfd_nosymbols_bfd_make_debug_symbol \ 305 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 306 #define _bfd_nosymbols_read_minisymbols \ 307 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) 308 #define _bfd_nosymbols_minisymbol_to_symbol \ 309 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ 310 bfd_nullvoidptr) 311 312 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 313 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 314 315 #define _bfd_norelocs_get_reloc_upper_bound \ 316 ((long (*) (bfd *, asection *)) _bfd_n1) 317 #define _bfd_norelocs_canonicalize_reloc \ 318 ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) 319 #define _bfd_norelocs_bfd_reloc_type_lookup \ 320 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) 321 322 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 323 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 324 325 #define _bfd_nowrite_set_arch_mach \ 326 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ 327 bfd_false) 328 #define _bfd_nowrite_set_section_contents \ 329 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ 330 bfd_false) 331 332 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 333 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 334 335 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 336 extern bfd_boolean _bfd_generic_set_section_contents 337 (bfd *, asection *, const void *, file_ptr, bfd_size_type); 338 339 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 340 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 341 342 #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) 343 #define _bfd_nolink_bfd_get_relocated_section_contents \ 344 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ 345 bfd_byte *, bfd_boolean, asymbol **)) \ 346 bfd_nullvoidptr) 347 #define _bfd_nolink_bfd_relax_section \ 348 ((bfd_boolean (*) \ 349 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ 350 bfd_false) 351 #define _bfd_nolink_bfd_gc_sections \ 352 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 353 bfd_false) 354 #define _bfd_nolink_bfd_merge_sections \ 355 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 356 bfd_false) 357 #define _bfd_nolink_bfd_discard_group \ 358 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ 359 bfd_false) 360 #define _bfd_nolink_bfd_link_hash_table_create \ 361 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) 362 #define _bfd_nolink_bfd_link_hash_table_free \ 363 ((void (*) (struct bfd_link_hash_table *)) bfd_void) 364 #define _bfd_nolink_bfd_link_add_symbols \ 365 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 366 #define _bfd_nolink_bfd_link_just_syms \ 367 ((void (*) (asection *, struct bfd_link_info *)) bfd_void) 368 #define _bfd_nolink_bfd_final_link \ 369 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 370 #define _bfd_nolink_bfd_link_split_section \ 371 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) 372 373 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 374 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 375 (_bfd_nodynamic). */ 376 377 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 378 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 379 ((long (*) (bfd *, asymbol **)) _bfd_n1) 380 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 381 #define _bfd_nodynamic_canonicalize_dynamic_reloc \ 382 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) 383 384 /* Generic routine to determine of the given symbol is a local 385 label. */ 386 extern bfd_boolean bfd_generic_is_local_label_name 387 (bfd *, const char *); 388 389 /* Generic minisymbol routines. */ 390 extern long _bfd_generic_read_minisymbols 391 (bfd *, bfd_boolean, void **, unsigned int *); 392 extern asymbol *_bfd_generic_minisymbol_to_symbol 393 (bfd *, bfd_boolean, const void *, asymbol *); 394 395 /* Find the nearest line using .stab/.stabstr sections. */ 396 extern bfd_boolean _bfd_stab_section_find_nearest_line 397 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, 398 const char **, const char **, unsigned int *, void **); 399 400 /* Find the neaderst line using DWARF 1 debugging information. */ 401 extern bfd_boolean _bfd_dwarf1_find_nearest_line 402 (bfd *, asection *, asymbol **, bfd_vma, const char **, 403 const char **, unsigned int *); 404 405 /* Find the nearest line using DWARF 2 debugging information. */ 406 extern bfd_boolean _bfd_dwarf2_find_nearest_line 407 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, 408 unsigned int *, unsigned int, void **); 409 410 /* Create a new section entry. */ 411 extern struct bfd_hash_entry *bfd_section_hash_newfunc 412 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 413 414 /* A routine to create entries for a bfd_link_hash_table. */ 415 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 416 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 417 const char *string); 418 419 /* Initialize a bfd_link_hash_table. */ 420 extern bfd_boolean _bfd_link_hash_table_init 421 (struct bfd_link_hash_table *, bfd *, 422 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 423 struct bfd_hash_table *, 424 const char *)); 425 426 /* Generic link hash table creation routine. */ 427 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 428 (bfd *); 429 430 /* Generic link hash table destruction routine. */ 431 extern void _bfd_generic_link_hash_table_free 432 (struct bfd_link_hash_table *); 433 434 /* Generic add symbol routine. */ 435 extern bfd_boolean _bfd_generic_link_add_symbols 436 (bfd *, struct bfd_link_info *); 437 438 /* Generic add symbol routine. This version is used by targets for 439 which the linker must collect constructors and destructors by name, 440 as the collect2 program does. */ 441 extern bfd_boolean _bfd_generic_link_add_symbols_collect 442 (bfd *, struct bfd_link_info *); 443 444 /* Generic archive add symbol routine. */ 445 extern bfd_boolean _bfd_generic_link_add_archive_symbols 446 (bfd *, struct bfd_link_info *, 447 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); 448 449 /* Forward declaration to avoid prototype errors. */ 450 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 451 452 /* Generic routine to add a single symbol. */ 453 extern bfd_boolean _bfd_generic_link_add_one_symbol 454 (struct bfd_link_info *, bfd *, const char *name, flagword, 455 asection *, bfd_vma, const char *, bfd_boolean copy, 456 bfd_boolean constructor, struct bfd_link_hash_entry **); 457 458 /* Generic routine to mark section as supplying symbols only. */ 459 extern void _bfd_generic_link_just_syms 460 (asection *, struct bfd_link_info *); 461 462 /* Generic link routine. */ 463 extern bfd_boolean _bfd_generic_final_link 464 (bfd *, struct bfd_link_info *); 465 466 extern bfd_boolean _bfd_generic_link_split_section 467 (bfd *, struct bfd_section *); 468 469 /* Generic reloc_link_order processing routine. */ 470 extern bfd_boolean _bfd_generic_reloc_link_order 471 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 472 473 /* Default link order processing routine. */ 474 extern bfd_boolean _bfd_default_link_order 475 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 476 477 /* Count the number of reloc entries in a link order list. */ 478 extern unsigned int _bfd_count_link_order_relocs 479 (struct bfd_link_order *); 480 481 /* Final link relocation routine. */ 482 extern bfd_reloc_status_type _bfd_final_link_relocate 483 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 484 bfd_vma, bfd_vma, bfd_vma); 485 486 /* Relocate a particular location by a howto and a value. */ 487 extern bfd_reloc_status_type _bfd_relocate_contents 488 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); 489 490 /* Link stabs in sections in the first pass. */ 491 492 extern bfd_boolean _bfd_link_section_stabs 493 (bfd *, void **, asection *, asection *, void **, bfd_size_type *); 494 495 /* Eliminate stabs for discarded functions and symbols. */ 496 extern bfd_boolean _bfd_discard_section_stabs 497 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); 498 499 /* Write out the .stab section when linking stabs in sections. */ 500 501 extern bfd_boolean _bfd_write_section_stabs 502 (bfd *, void **, asection *, void **, bfd_byte *); 503 504 /* Write out the .stabstr string table when linking stabs in sections. */ 505 506 extern bfd_boolean _bfd_write_stab_strings 507 (bfd *, void **); 508 509 /* Find an offset within a .stab section when linking stabs in 510 sections. */ 511 512 extern bfd_vma _bfd_stab_section_offset 513 (bfd *, void **, asection *, void **, bfd_vma); 514 515 /* Attempt to merge a SEC_MERGE section. */ 516 517 extern bfd_boolean _bfd_merge_section 518 (bfd *, void **, asection *, void **); 519 520 /* Attempt to merge SEC_MERGE sections. */ 521 522 extern bfd_boolean _bfd_merge_sections 523 (bfd *, void *, void (*) (bfd *, asection *)); 524 525 /* Write out a merged section. */ 526 527 extern bfd_boolean _bfd_write_merged_section 528 (bfd *, asection *, void *); 529 530 /* Find an offset within a modified SEC_MERGE section. */ 531 532 extern bfd_vma _bfd_merged_section_offset 533 (bfd *, asection **, void *, bfd_vma, bfd_vma); 534 535 /* Create a string table. */ 536 extern struct bfd_strtab_hash *_bfd_stringtab_init 537 (void); 538 539 /* Create an XCOFF .debug section style string table. */ 540 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init 541 (void); 542 543 /* Free a string table. */ 544 extern void _bfd_stringtab_free 545 (struct bfd_strtab_hash *); 546 547 /* Get the size of a string table. */ 548 extern bfd_size_type _bfd_stringtab_size 549 (struct bfd_strtab_hash *); 550 551 /* Add a string to a string table. */ 552 extern bfd_size_type _bfd_stringtab_add 553 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); 554 555 /* Write out a string table. */ 556 extern bfd_boolean _bfd_stringtab_emit 557 (bfd *, struct bfd_strtab_hash *); 558 559 /* Check that endianness of input and output file match. */ 560 extern bfd_boolean _bfd_generic_verify_endian_match 561 (bfd *, bfd *); 562 563 /* Macros to tell if bfds are read or write enabled. 564 565 Note that bfds open for read may be scribbled into if the fd passed 566 to bfd_fdopenr is actually open both for read and write 567 simultaneously. However an output bfd will never be open for 568 read. Therefore sometimes you want to check bfd_read_p or 569 !bfd_read_p, and only sometimes bfd_write_p. 570 */ 571 572 #define bfd_read_p(abfd) \ 573 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 574 #define bfd_write_p(abfd) \ 575 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 576 577 void bfd_assert 578 (const char*,int); 579 580 #define BFD_ASSERT(x) \ 581 { if (!(x)) bfd_assert(__FILE__,__LINE__); } 582 583 #define BFD_FAIL() \ 584 { bfd_assert(__FILE__,__LINE__); } 585 586 extern void _bfd_abort 587 (const char *, int, const char *) ATTRIBUTE_NORETURN; 588 589 /* if gcc >= 2.6, we can give a function name, too */ 590 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 591 #define __PRETTY_FUNCTION__ ((char *) NULL) 592 #endif 593 594 #undef abort 595 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 596 597 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 598 the system "off_t" or "off64_t", as the offset. */ 599 extern file_ptr real_ftell (FILE *file); 600 extern int real_fseek (FILE *file, file_ptr offset, int whence); 601 602 FILE * bfd_cache_lookup_worker 603 (bfd *); 604 605 extern bfd *bfd_last_cache; 606 607 /* List of supported target vectors, and the default vector (if 608 bfd_default_vector[0] is NULL, there is no default). */ 609 extern const bfd_target * const *bfd_target_vector; 610 extern const bfd_target *bfd_default_vector[]; 611 612 /* List of associated target vectors. */ 613 extern const bfd_target * const *bfd_associated_vector; 614 615 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 616 other common header files. */ 617 618 #if defined(__STDC__) || defined(ALMOST_STDC) 619 struct ecoff_find_line; 620 #endif 621 622 extern bfd_boolean _bfd_ecoff_locate_line 623 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 624 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 625 const char **, const char **, unsigned int *); 626 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr 627 (void *, bfd_byte *); 628 extern bfd_boolean _bfd_ecoff_get_accumulated_sym 629 (void *, bfd_byte *); 630 extern bfd_boolean _bfd_ecoff_get_accumulated_ss 631 (void *, bfd_byte *); 632 633 extern bfd_vma _bfd_get_gp_value 634 (bfd *); 635 extern void _bfd_set_gp_value 636 (bfd *, bfd_vma); 637 638 /* Function shared by the COFF and ELF SH backends, which have no 639 other common header files. */ 640 641 #ifndef _bfd_sh_align_load_span 642 extern bfd_boolean _bfd_sh_align_load_span 643 (bfd *, asection *, bfd_byte *, 644 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 645 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); 646 #endif 647