libbfd-in.h revision 1.1.1.1
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, 2005, 2006, 2007, 2008, 2009, 6 2010 7 Free Software Foundation, Inc. 8 9 Written by Cygnus Support. 10 11 This file is part of BFD, the Binary File Descriptor library. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 3 of the License, or 16 (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 26 MA 02110-1301, USA. */ 27 28 #include "hashtab.h" 29 30 /* Align an address upward to a boundary, expressed as a number of bytes. 31 E.g. align to an 8-byte boundary with argument of 8. Take care never 32 to wrap around if the address is within boundary-1 of the end of the 33 address space. */ 34 #define BFD_ALIGN(this, boundary) \ 35 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ 36 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ 37 : ~ (bfd_vma) 0) 38 39 /* If you want to read and write large blocks, you might want to do it 40 in quanta of this amount */ 41 #define DEFAULT_BUFFERSIZE 8192 42 43 /* Set a tdata field. Can't use the other macros for this, since they 44 do casts, and casting to the left of assignment isn't portable. */ 45 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 46 47 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 48 to an instance of this structure. */ 49 50 struct bfd_in_memory 51 { 52 /* Size of buffer. */ 53 bfd_size_type size; 54 /* Buffer holding contents of BFD. */ 55 bfd_byte *buffer; 56 }; 57 58 struct section_hash_entry 59 { 60 struct bfd_hash_entry root; 61 asection section; 62 }; 63 64 /* tdata for an archive. For an input archive, cache 65 needs to be free()'d. For an output archive, symdefs do. */ 66 67 struct artdata { 68 file_ptr first_file_filepos; 69 /* Speed up searching the armap */ 70 htab_t cache; 71 bfd *archive_head; /* Only interesting in output routines */ 72 carsym *symdefs; /* the symdef entries */ 73 symindex symdef_count; /* how many there are */ 74 char *extended_names; /* clever intel extension */ 75 bfd_size_type extended_names_size; /* Size of extended names */ 76 /* when more compilers are standard C, this can be a time_t */ 77 long armap_timestamp; /* Timestamp value written into armap. 78 This is used for BSD archives to check 79 that the timestamp is recent enough 80 for the BSD linker to not complain, 81 just before we finish writing an 82 archive. */ 83 file_ptr armap_datepos; /* Position within archive to seek to 84 rewrite the date field. */ 85 void *tdata; /* Backend specific information. */ 86 }; 87 88 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 89 90 /* Goes in bfd's arelt_data slot */ 91 struct areltdata { 92 char * arch_header; /* it's actually a string */ 93 unsigned int parsed_size; /* octets of filesize not including ar_hdr */ 94 unsigned int extra_size; /* BSD4.4: extra bytes after the header. */ 95 char *filename; /* null-terminated */ 96 file_ptr origin; /* for element of a thin archive */ 97 }; 98 99 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 100 101 extern void *bfd_malloc 102 (bfd_size_type); 103 extern void *bfd_realloc 104 (void *, bfd_size_type); 105 extern void *bfd_realloc_or_free 106 (void *, bfd_size_type); 107 extern void *bfd_zmalloc 108 (bfd_size_type); 109 extern void *bfd_malloc2 110 (bfd_size_type, bfd_size_type); 111 extern void *bfd_realloc2 112 (void *, bfd_size_type, bfd_size_type); 113 extern void *bfd_zmalloc2 114 (bfd_size_type, bfd_size_type); 115 116 extern void _bfd_default_error_handler (const char *s, ...); 117 extern bfd_error_handler_type _bfd_error_handler; 118 119 /* These routines allocate and free things on the BFD's objalloc. */ 120 121 extern void *bfd_alloc2 122 (bfd *, bfd_size_type, bfd_size_type); 123 extern void *bfd_zalloc2 124 (bfd *, bfd_size_type, bfd_size_type); 125 extern void bfd_release 126 (bfd *, void *); 127 128 bfd * _bfd_create_empty_archive_element_shell 129 (bfd *obfd); 130 bfd * _bfd_look_for_bfd_in_cache 131 (bfd *, file_ptr); 132 bfd_boolean _bfd_add_bfd_to_archive_cache 133 (bfd *, file_ptr, bfd *); 134 bfd_boolean _bfd_generic_mkarchive 135 (bfd *abfd); 136 char *_bfd_append_relative_path 137 (bfd *arch, char *elt_name); 138 const bfd_target *bfd_generic_archive_p 139 (bfd *abfd); 140 bfd_boolean bfd_slurp_armap 141 (bfd *abfd); 142 bfd_boolean bfd_slurp_bsd_armap_f2 143 (bfd *abfd); 144 #define bfd_slurp_bsd_armap bfd_slurp_armap 145 #define bfd_slurp_coff_armap bfd_slurp_armap 146 bfd_boolean _bfd_slurp_extended_name_table 147 (bfd *abfd); 148 extern bfd_boolean _bfd_construct_extended_name_table 149 (bfd *, bfd_boolean, char **, bfd_size_type *); 150 bfd_boolean _bfd_write_archive_contents 151 (bfd *abfd); 152 bfd_boolean _bfd_compute_and_write_armap 153 (bfd *, unsigned int elength); 154 bfd *_bfd_get_elt_at_filepos 155 (bfd *archive, file_ptr filepos); 156 extern bfd *_bfd_generic_get_elt_at_index 157 (bfd *, symindex); 158 bfd * _bfd_new_bfd 159 (void); 160 void _bfd_delete_bfd 161 (bfd *); 162 bfd_boolean _bfd_free_cached_info 163 (bfd *); 164 165 bfd_boolean bfd_false 166 (bfd *ignore); 167 bfd_boolean bfd_true 168 (bfd *ignore); 169 void *bfd_nullvoidptr 170 (bfd *ignore); 171 int bfd_0 172 (bfd *ignore); 173 unsigned int bfd_0u 174 (bfd *ignore); 175 long bfd_0l 176 (bfd *ignore); 177 long _bfd_n1 178 (bfd *ignore); 179 void bfd_void 180 (bfd *ignore); 181 182 bfd *_bfd_new_bfd_contained_in 183 (bfd *); 184 const bfd_target *_bfd_dummy_target 185 (bfd *abfd); 186 187 void bfd_dont_truncate_arname 188 (bfd *abfd, const char *filename, char *hdr); 189 void bfd_bsd_truncate_arname 190 (bfd *abfd, const char *filename, char *hdr); 191 void bfd_gnu_truncate_arname 192 (bfd *abfd, const char *filename, char *hdr); 193 194 bfd_boolean bsd_write_armap 195 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 196 int stridx); 197 198 bfd_boolean coff_write_armap 199 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 200 int stridx); 201 202 extern void *_bfd_generic_read_ar_hdr 203 (bfd *); 204 extern void _bfd_ar_spacepad 205 (char *, size_t, const char *, long); 206 207 extern void *_bfd_generic_read_ar_hdr_mag 208 (bfd *, const char *); 209 210 extern bfd_boolean _bfd_generic_write_ar_hdr 211 (bfd *, bfd *); 212 213 extern bfd_boolean _bfd_bsd44_write_ar_hdr 214 (bfd *, bfd *); 215 216 bfd * bfd_generic_openr_next_archived_file 217 (bfd *archive, bfd *last_file); 218 219 int bfd_generic_stat_arch_elt 220 (bfd *, struct stat *); 221 222 #define _bfd_read_ar_hdr(abfd) \ 223 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 224 #define _bfd_write_ar_hdr(archive, abfd) \ 225 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd)) 226 227 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 229 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 230 231 #define _bfd_generic_close_and_cleanup bfd_true 232 #define _bfd_generic_bfd_free_cached_info bfd_true 233 extern bfd_boolean _bfd_generic_new_section_hook 234 (bfd *, asection *); 235 extern bfd_boolean _bfd_generic_get_section_contents 236 (bfd *, asection *, void *, file_ptr, bfd_size_type); 237 extern bfd_boolean _bfd_generic_get_section_contents_in_window 238 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); 239 240 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 241 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 242 243 #define _bfd_generic_bfd_copy_private_bfd_data \ 244 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 245 #define _bfd_generic_bfd_merge_private_bfd_data \ 246 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 247 #define _bfd_generic_bfd_set_private_flags \ 248 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 249 #define _bfd_generic_bfd_copy_private_section_data \ 250 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) 251 #define _bfd_generic_bfd_copy_private_symbol_data \ 252 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) 253 #define _bfd_generic_bfd_copy_private_header_data \ 254 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 255 #define _bfd_generic_bfd_print_private_bfd_data \ 256 ((bfd_boolean (*) (bfd *, void *)) bfd_true) 257 258 extern bfd_boolean _bfd_generic_init_private_section_data 259 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *); 260 261 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 262 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 263 264 extern char *_bfd_nocore_core_file_failing_command 265 (bfd *); 266 extern int _bfd_nocore_core_file_failing_signal 267 (bfd *); 268 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p 269 (bfd *, bfd *); 270 extern int _bfd_nocore_core_file_pid 271 (bfd *); 272 273 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 274 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 275 276 #define _bfd_noarchive_slurp_armap bfd_false 277 #define _bfd_noarchive_slurp_extended_name_table bfd_false 278 #define _bfd_noarchive_construct_extended_name_table \ 279 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ 280 bfd_false) 281 #define _bfd_noarchive_truncate_arname \ 282 ((void (*) (bfd *, const char *, char *)) bfd_void) 283 #define _bfd_noarchive_write_armap \ 284 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ 285 bfd_false) 286 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr 287 #define _bfd_noarchive_write_ar_hdr \ 288 ((bfd_boolean (*) (bfd *, bfd *)) bfd_false) 289 #define _bfd_noarchive_openr_next_archived_file \ 290 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) 291 #define _bfd_noarchive_get_elt_at_index \ 292 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) 293 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 294 #define _bfd_noarchive_update_armap_timestamp bfd_false 295 296 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 297 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 298 299 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 300 #define _bfd_archive_bsd_slurp_extended_name_table \ 301 _bfd_slurp_extended_name_table 302 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table 303 (bfd *, char **, bfd_size_type *, const char **); 304 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 305 #define _bfd_archive_bsd_write_armap bsd_write_armap 306 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 307 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr 308 #define _bfd_archive_bsd_openr_next_archived_file \ 309 bfd_generic_openr_next_archived_file 310 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 311 #define _bfd_archive_bsd_generic_stat_arch_elt \ 312 bfd_generic_stat_arch_elt 313 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp 314 (bfd *); 315 316 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 317 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 318 319 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 320 #define _bfd_archive_coff_slurp_extended_name_table \ 321 _bfd_slurp_extended_name_table 322 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table 323 (bfd *, char **, bfd_size_type *, const char **); 324 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 325 #define _bfd_archive_coff_write_armap coff_write_armap 326 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 327 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr 328 #define _bfd_archive_coff_openr_next_archived_file \ 329 bfd_generic_openr_next_archived_file 330 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 331 #define _bfd_archive_coff_generic_stat_arch_elt \ 332 bfd_generic_stat_arch_elt 333 #define _bfd_archive_coff_update_armap_timestamp bfd_true 334 335 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style 336 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */ 337 338 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap 339 #define _bfd_archive_bsd44_slurp_extended_name_table \ 340 _bfd_slurp_extended_name_table 341 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table 342 (bfd *, char **, bfd_size_type *, const char **); 343 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname 344 #define _bfd_archive_bsd44_write_armap bsd_write_armap 345 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr 346 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr 347 #define _bfd_archive_bsd44_openr_next_archived_file \ 348 bfd_generic_openr_next_archived_file 349 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index 350 #define _bfd_archive_bsd44_generic_stat_arch_elt \ 351 bfd_generic_stat_arch_elt 352 #define _bfd_archive_bsd44_update_armap_timestamp \ 353 _bfd_archive_bsd_update_armap_timestamp 354 355 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style 356 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them 357 are irrelevant and never called, so defined as NULL. */ 358 359 extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch); 360 #define _bfd_vms_lib_slurp_armap NULL 361 #define _bfd_vms_lib_slurp_extended_name_table NULL 362 #define _bfd_vms_lib_construct_extended_name_table NULL 363 #define _bfd_vms_lib_truncate_arname NULL 364 #define _bfd_vms_lib_write_armap NULL 365 #define _bfd_vms_lib_read_ar_hdr NULL 366 #define _bfd_vms_lib_write_ar_hdr NULL 367 extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *); 368 extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex); 369 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *); 370 #define _bfd_vms_lib_update_armap_timestamp bfd_true 371 372 /* Extra routines for VMS style archives. */ 373 374 extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *); 375 extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *); 376 extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd); 377 extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd); 378 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd); 379 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd); 380 381 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 382 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 383 384 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 385 #define _bfd_nosymbols_canonicalize_symtab \ 386 ((long (*) (bfd *, asymbol **)) _bfd_n1) 387 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 388 #define _bfd_nosymbols_print_symbol \ 389 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) 390 #define _bfd_nosymbols_get_symbol_info \ 391 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) 392 #define _bfd_nosymbols_bfd_is_local_label_name \ 393 ((bfd_boolean (*) (bfd *, const char *)) bfd_false) 394 #define _bfd_nosymbols_bfd_is_target_special_symbol \ 395 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 396 #define _bfd_nosymbols_get_lineno \ 397 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) 398 #define _bfd_nosymbols_find_nearest_line \ 399 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ 400 const char **, unsigned int *)) \ 401 bfd_false) 402 #define _bfd_nosymbols_find_inliner_info \ 403 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \ 404 bfd_false) 405 #define _bfd_nosymbols_bfd_make_debug_symbol \ 406 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 407 #define _bfd_nosymbols_read_minisymbols \ 408 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) 409 #define _bfd_nosymbols_minisymbol_to_symbol \ 410 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ 411 bfd_nullvoidptr) 412 413 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 414 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 415 416 extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *); 417 extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *, 418 arelent **, asymbol **); 419 #define _bfd_norelocs_bfd_reloc_type_lookup \ 420 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) 421 #define _bfd_norelocs_bfd_reloc_name_lookup \ 422 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr) 423 424 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 425 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 426 427 #define _bfd_nowrite_set_arch_mach \ 428 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ 429 bfd_false) 430 #define _bfd_nowrite_set_section_contents \ 431 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ 432 bfd_false) 433 434 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 435 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 436 437 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 438 extern bfd_boolean _bfd_generic_set_section_contents 439 (bfd *, asection *, const void *, file_ptr, bfd_size_type); 440 441 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 442 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 443 444 #define _bfd_nolink_sizeof_headers \ 445 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0) 446 #define _bfd_nolink_bfd_get_relocated_section_contents \ 447 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ 448 bfd_byte *, bfd_boolean, asymbol **)) \ 449 bfd_nullvoidptr) 450 #define _bfd_nolink_bfd_relax_section \ 451 ((bfd_boolean (*) \ 452 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ 453 bfd_false) 454 #define _bfd_nolink_bfd_gc_sections \ 455 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 456 bfd_false) 457 #define _bfd_nolink_bfd_merge_sections \ 458 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 459 bfd_false) 460 #define _bfd_nolink_bfd_is_group_section \ 461 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ 462 bfd_false) 463 #define _bfd_nolink_bfd_discard_group \ 464 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ 465 bfd_false) 466 #define _bfd_nolink_bfd_link_hash_table_create \ 467 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) 468 #define _bfd_nolink_bfd_link_hash_table_free \ 469 ((void (*) (struct bfd_link_hash_table *)) bfd_void) 470 #define _bfd_nolink_bfd_link_add_symbols \ 471 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 472 #define _bfd_nolink_bfd_link_just_syms \ 473 ((void (*) (asection *, struct bfd_link_info *)) bfd_void) 474 #define _bfd_nolink_bfd_copy_link_hash_symbol_type \ 475 ((void (*) (bfd *, struct bfd_link_hash_entry *, \ 476 struct bfd_link_hash_entry *)) bfd_void) 477 #define _bfd_nolink_bfd_final_link \ 478 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 479 #define _bfd_nolink_bfd_link_split_section \ 480 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) 481 #define _bfd_nolink_section_already_linked \ 482 ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void) 483 #define _bfd_nolink_bfd_define_common_symbol \ 484 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \ 485 struct bfd_link_hash_entry *)) bfd_false) 486 487 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 488 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 489 (_bfd_nodynamic). */ 490 491 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 492 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 493 ((long (*) (bfd *, asymbol **)) _bfd_n1) 494 #define _bfd_nodynamic_get_synthetic_symtab \ 495 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) 496 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 497 #define _bfd_nodynamic_canonicalize_dynamic_reloc \ 498 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) 499 500 /* Generic routine to determine of the given symbol is a local 502 label. */ 503 extern bfd_boolean bfd_generic_is_local_label_name 504 (bfd *, const char *); 505 506 /* Generic minisymbol routines. */ 507 extern long _bfd_generic_read_minisymbols 508 (bfd *, bfd_boolean, void **, unsigned int *); 509 extern asymbol *_bfd_generic_minisymbol_to_symbol 510 (bfd *, bfd_boolean, const void *, asymbol *); 511 512 /* Find the nearest line using .stab/.stabstr sections. */ 513 extern bfd_boolean _bfd_stab_section_find_nearest_line 514 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, 515 const char **, const char **, unsigned int *, void **); 516 517 /* Find the nearest line using DWARF 1 debugging information. */ 518 extern bfd_boolean _bfd_dwarf1_find_nearest_line 519 (bfd *, asection *, asymbol **, bfd_vma, const char **, 520 const char **, unsigned int *); 521 522 /* Find the nearest line using DWARF 2 debugging information. */ 523 extern bfd_boolean _bfd_dwarf2_find_nearest_line 524 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, 525 unsigned int *, unsigned int, void **); 526 527 /* Find the line using DWARF 2 debugging information. */ 528 extern bfd_boolean _bfd_dwarf2_find_line 529 (bfd *, asymbol **, asymbol *, const char **, 530 unsigned int *, unsigned int, void **); 531 532 bfd_boolean _bfd_generic_find_line 533 (bfd *, asymbol **, asymbol *, const char **, unsigned int *); 534 535 /* Find inliner info after calling bfd_find_nearest_line. */ 536 extern bfd_boolean _bfd_dwarf2_find_inliner_info 537 (bfd *, const char **, const char **, unsigned int *, void **); 538 539 /* Create a new section entry. */ 540 extern struct bfd_hash_entry *bfd_section_hash_newfunc 541 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 542 543 /* A routine to create entries for a bfd_link_hash_table. */ 544 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 545 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 546 const char *string); 547 548 /* Initialize a bfd_link_hash_table. */ 549 extern bfd_boolean _bfd_link_hash_table_init 550 (struct bfd_link_hash_table *, bfd *, 551 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 552 struct bfd_hash_table *, 553 const char *), 554 unsigned int); 555 556 /* Generic link hash table creation routine. */ 557 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 558 (bfd *); 559 560 /* Generic link hash table destruction routine. */ 561 extern void _bfd_generic_link_hash_table_free 562 (struct bfd_link_hash_table *); 563 564 /* Generic add symbol routine. */ 565 extern bfd_boolean _bfd_generic_link_add_symbols 566 (bfd *, struct bfd_link_info *); 567 568 /* Generic add symbol routine. This version is used by targets for 569 which the linker must collect constructors and destructors by name, 570 as the collect2 program does. */ 571 extern bfd_boolean _bfd_generic_link_add_symbols_collect 572 (bfd *, struct bfd_link_info *); 573 574 /* Generic archive add symbol routine. */ 575 extern bfd_boolean _bfd_generic_link_add_archive_symbols 576 (bfd *, struct bfd_link_info *, 577 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); 578 579 /* Forward declaration to avoid prototype errors. */ 580 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 581 582 /* Generic routine to add a single symbol. */ 583 extern bfd_boolean _bfd_generic_link_add_one_symbol 584 (struct bfd_link_info *, bfd *, const char *name, flagword, 585 asection *, bfd_vma, const char *, bfd_boolean copy, 586 bfd_boolean constructor, struct bfd_link_hash_entry **); 587 588 /* Generic routine to mark section as supplying symbols only. */ 589 extern void _bfd_generic_link_just_syms 590 (asection *, struct bfd_link_info *); 591 592 /* Generic routine that does nothing. */ 593 extern void _bfd_generic_copy_link_hash_symbol_type 594 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *); 595 596 /* Generic link routine. */ 597 extern bfd_boolean _bfd_generic_final_link 598 (bfd *, struct bfd_link_info *); 599 600 extern bfd_boolean _bfd_generic_link_split_section 601 (bfd *, struct bfd_section *); 602 603 extern void _bfd_generic_section_already_linked 604 (bfd *, struct bfd_section *, struct bfd_link_info *); 605 606 /* Generic reloc_link_order processing routine. */ 607 extern bfd_boolean _bfd_generic_reloc_link_order 608 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 609 610 /* Default link order processing routine. */ 611 extern bfd_boolean _bfd_default_link_order 612 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 613 614 /* Count the number of reloc entries in a link order list. */ 615 extern unsigned int _bfd_count_link_order_relocs 616 (struct bfd_link_order *); 617 618 /* Final link relocation routine. */ 619 extern bfd_reloc_status_type _bfd_final_link_relocate 620 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 621 bfd_vma, bfd_vma, bfd_vma); 622 623 /* Relocate a particular location by a howto and a value. */ 624 extern bfd_reloc_status_type _bfd_relocate_contents 625 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); 626 627 /* Clear a given location using a given howto. */ 628 extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd, 629 asection *input_section, bfd_byte *location); 630 631 /* Link stabs in sections in the first pass. */ 632 633 extern bfd_boolean _bfd_link_section_stabs 634 (bfd *, struct stab_info *, asection *, asection *, void **, 635 bfd_size_type *); 636 637 /* Eliminate stabs for discarded functions and symbols. */ 638 extern bfd_boolean _bfd_discard_section_stabs 639 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); 640 641 /* Write out the .stab section when linking stabs in sections. */ 642 643 extern bfd_boolean _bfd_write_section_stabs 644 (bfd *, struct stab_info *, asection *, void **, bfd_byte *); 645 646 /* Write out the .stabstr string table when linking stabs in sections. */ 647 648 extern bfd_boolean _bfd_write_stab_strings 649 (bfd *, struct stab_info *); 650 651 /* Find an offset within a .stab section when linking stabs in 652 sections. */ 653 654 extern bfd_vma _bfd_stab_section_offset 655 (asection *, void *, bfd_vma); 656 657 /* Register a SEC_MERGE section as a candidate for merging. */ 658 659 extern bfd_boolean _bfd_add_merge_section 660 (bfd *, void **, asection *, void **); 661 662 /* Attempt to merge SEC_MERGE sections. */ 663 664 extern bfd_boolean _bfd_merge_sections 665 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); 666 667 /* Write out a merged section. */ 668 669 extern bfd_boolean _bfd_write_merged_section 670 (bfd *, asection *, void *); 671 672 /* Find an offset within a modified SEC_MERGE section. */ 673 674 extern bfd_vma _bfd_merged_section_offset 675 (bfd *, asection **, void *, bfd_vma); 676 677 /* Create a string table. */ 678 extern struct bfd_strtab_hash *_bfd_stringtab_init 679 (void); 680 681 /* Create an XCOFF .debug section style string table. */ 682 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init 683 (void); 684 685 /* Free a string table. */ 686 extern void _bfd_stringtab_free 687 (struct bfd_strtab_hash *); 688 689 /* Get the size of a string table. */ 690 extern bfd_size_type _bfd_stringtab_size 691 (struct bfd_strtab_hash *); 692 693 /* Add a string to a string table. */ 694 extern bfd_size_type _bfd_stringtab_add 695 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); 696 697 /* Write out a string table. */ 698 extern bfd_boolean _bfd_stringtab_emit 699 (bfd *, struct bfd_strtab_hash *); 700 701 /* Check that endianness of input and output file match. */ 702 extern bfd_boolean _bfd_generic_verify_endian_match 703 (bfd *, bfd *); 704 705 /* Macros to tell if bfds are read or write enabled. 707 708 Note that bfds open for read may be scribbled into if the fd passed 709 to bfd_fdopenr is actually open both for read and write 710 simultaneously. However an output bfd will never be open for 711 read. Therefore sometimes you want to check bfd_read_p or 712 !bfd_read_p, and only sometimes bfd_write_p. 713 */ 714 715 #define bfd_read_p(abfd) \ 716 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 717 #define bfd_write_p(abfd) \ 718 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 719 720 void bfd_assert 721 (const char*,int); 722 723 #define BFD_ASSERT(x) \ 724 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 725 726 #define BFD_FAIL() \ 727 do { bfd_assert(__FILE__,__LINE__); } while (0) 728 729 extern void _bfd_abort 730 (const char *, int, const char *) ATTRIBUTE_NORETURN; 731 732 /* if gcc >= 2.6, we can give a function name, too */ 733 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 734 #define __PRETTY_FUNCTION__ ((char *) NULL) 735 #endif 736 737 #undef abort 738 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 739 740 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 741 the system "off_t" or "off64_t", as the offset. */ 742 extern file_ptr real_ftell (FILE *file); 743 extern int real_fseek (FILE *file, file_ptr offset, int whence); 744 extern FILE *real_fopen (const char *filename, const char *modes); 745 746 /* List of supported target vectors, and the default vector (if 747 bfd_default_vector[0] is NULL, there is no default). */ 748 extern const bfd_target * const *bfd_target_vector; 749 extern const bfd_target *bfd_default_vector[]; 750 751 /* List of associated target vectors. */ 752 extern const bfd_target * const *bfd_associated_vector; 753 754 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 755 other common header files. */ 756 757 #if defined(__STDC__) || defined(ALMOST_STDC) 758 struct ecoff_find_line; 759 #endif 760 761 extern bfd_boolean _bfd_ecoff_locate_line 762 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 763 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 764 const char **, const char **, unsigned int *); 765 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr 766 (void *, bfd_byte *); 767 extern bfd_boolean _bfd_ecoff_get_accumulated_sym 768 (void *, bfd_byte *); 769 extern bfd_boolean _bfd_ecoff_get_accumulated_ss 770 (void *, bfd_byte *); 771 772 extern bfd_vma _bfd_get_gp_value 773 (bfd *); 774 extern void _bfd_set_gp_value 775 (bfd *, bfd_vma); 776 777 /* Function shared by the COFF and ELF SH backends, which have no 778 other common header files. */ 779 780 #ifndef _bfd_sh_align_load_span 781 extern bfd_boolean _bfd_sh_align_load_span 782 (bfd *, asection *, bfd_byte *, 783 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 784 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); 785 #endif 786 787 /* This is the shape of the elements inside the already_linked hash 788 table. It maps a name onto a list of already_linked elements with 789 the same name. */ 790 791 struct bfd_section_already_linked_hash_entry 792 { 793 struct bfd_hash_entry root; 794 struct bfd_section_already_linked *entry; 795 }; 796 797 struct bfd_section_already_linked 798 { 799 struct bfd_section_already_linked *next; 800 asection *sec; 801 }; 802 803 extern struct bfd_section_already_linked_hash_entry * 804 bfd_section_already_linked_table_lookup (const char *); 805 extern bfd_boolean bfd_section_already_linked_table_insert 806 (struct bfd_section_already_linked_hash_entry *, asection *); 807 extern void bfd_section_already_linked_table_traverse 808 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, 809 void *), void *); 810 811 extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); 812 extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); 813 814 struct dwarf_debug_section 815 { 816 const char *uncompressed_name; 817 const char *compressed_name; 818 }; 819 820 /* Map of uncompressed DWARF debug section name to compressed one. It 821 is terminated by NULL uncompressed_name. */ 822 823 extern struct dwarf_debug_section dwarf_debug_sections[]; 824
Indexes created Sat Apr 18 00:22:28 UTC 2026