libbfd-in.h revision 1.1.1.6
1 /* libbfd.h -- Declarations used by bfd library *implementation*. 2 (This include file is not for users of the library.) 3 4 Copyright (C) 1990-2017 Free Software Foundation, Inc. 5 6 Written by Cygnus Support. 7 8 This file is part of BFD, the Binary File Descriptor library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 23 MA 02110-1301, USA. */ 24 25 #include "hashtab.h" 26 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 /* If you want to read and write large blocks, you might want to do it 32 in quanta of this amount */ 33 #define DEFAULT_BUFFERSIZE 8192 34 35 /* Set a tdata field. Can't use the other macros for this, since they 36 do casts, and casting to the left of assignment isn't portable. */ 37 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 38 39 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 40 to an instance of this structure. */ 41 42 struct bfd_in_memory 43 { 44 /* Size of buffer. */ 45 bfd_size_type size; 46 /* Buffer holding contents of BFD. */ 47 bfd_byte *buffer; 48 }; 49 50 struct section_hash_entry 51 { 52 struct bfd_hash_entry root; 53 asection section; 54 }; 55 56 /* tdata for an archive. For an input archive, cache 57 needs to be free()'d. For an output archive, symdefs do. */ 58 59 struct artdata 60 { 61 file_ptr first_file_filepos; 62 /* Speed up searching the armap */ 63 htab_t cache; 64 bfd *archive_head; /* Only interesting in output routines. */ 65 carsym *symdefs; /* The symdef entries. */ 66 symindex symdef_count; /* How many there are. */ 67 char *extended_names; /* Clever intel extension. */ 68 bfd_size_type extended_names_size; /* Size of extended names. */ 69 /* When more compilers are standard C, this can be a time_t. */ 70 long armap_timestamp; /* Timestamp value written into armap. 71 This is used for BSD archives to check 72 that the timestamp is recent enough 73 for the BSD linker to not complain, 74 just before we finish writing an 75 archive. */ 76 file_ptr armap_datepos; /* Position within archive to seek to 77 rewrite the date field. */ 78 void *tdata; /* Backend specific information. */ 79 }; 80 81 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 82 83 /* Goes in bfd's arelt_data slot */ 84 struct areltdata 85 { 86 char * arch_header; /* It's actually a string. */ 87 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */ 88 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */ 89 char *filename; /* Null-terminated. */ 90 file_ptr origin; /* For element of a thin archive. */ 91 void *parent_cache; /* Where and how to find this member. */ 92 file_ptr key; 93 }; 94 95 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 96 97 extern void *bfd_malloc 98 (bfd_size_type); 99 extern void *bfd_realloc 100 (void *, bfd_size_type); 101 extern void *bfd_realloc_or_free 102 (void *, bfd_size_type); 103 extern void *bfd_zmalloc 104 (bfd_size_type); 105 extern void *bfd_malloc2 106 (bfd_size_type, bfd_size_type); 107 extern void *bfd_realloc2 108 (void *, bfd_size_type, bfd_size_type); 109 extern void *bfd_zmalloc2 110 (bfd_size_type, bfd_size_type); 111 112 extern void _bfd_error_handler (const char *s, ...); 113 114 /* These routines allocate and free things on the BFD's objalloc. */ 115 116 extern void *bfd_alloc2 117 (bfd *, bfd_size_type, bfd_size_type); 118 extern void *bfd_zalloc2 119 (bfd *, bfd_size_type, bfd_size_type); 120 extern void bfd_release 121 (bfd *, void *); 122 123 bfd * _bfd_create_empty_archive_element_shell 124 (bfd *obfd); 125 bfd * _bfd_look_for_bfd_in_cache 126 (bfd *, file_ptr); 127 bfd_boolean _bfd_add_bfd_to_archive_cache 128 (bfd *, file_ptr, bfd *); 129 bfd_boolean _bfd_generic_mkarchive 130 (bfd *abfd); 131 char *_bfd_append_relative_path 132 (bfd *arch, char *elt_name); 133 const bfd_target *bfd_generic_archive_p 134 (bfd *abfd); 135 bfd_boolean bfd_slurp_armap 136 (bfd *abfd); 137 bfd_boolean bfd_slurp_bsd_armap_f2 138 (bfd *abfd); 139 #define bfd_slurp_bsd_armap bfd_slurp_armap 140 #define bfd_slurp_coff_armap bfd_slurp_armap 141 bfd_boolean _bfd_archive_64_bit_slurp_armap 142 (bfd *); 143 bfd_boolean _bfd_archive_64_bit_write_armap 144 (bfd *, unsigned int, struct orl *, unsigned int, int); 145 #define _bfd_archive_64_bit_slurp_extended_name_table \ 146 _bfd_slurp_extended_name_table 147 #define _bfd_archive_64_bit_construct_extended_name_table \ 148 _bfd_archive_coff_construct_extended_name_table 149 #define _bfd_archive_64_bit_truncate_arname \ 150 bfd_dont_truncate_arname 151 #define _bfd_archive_64_bit_read_ar_hdr \ 152 _bfd_generic_read_ar_hdr 153 #define _bfd_archive_64_bit_write_ar_hdr \ 154 _bfd_generic_write_ar_hdr 155 #define _bfd_archive_64_bit_openr_next_archived_file \ 156 bfd_generic_openr_next_archived_file 157 #define _bfd_archive_64_bit_get_elt_at_index \ 158 _bfd_generic_get_elt_at_index 159 #define _bfd_archive_64_bit_generic_stat_arch_elt \ 160 bfd_generic_stat_arch_elt 161 #define _bfd_archive_64_bit_update_armap_timestamp \ 162 bfd_true 163 164 bfd_boolean _bfd_slurp_extended_name_table 165 (bfd *abfd); 166 extern bfd_boolean _bfd_construct_extended_name_table 167 (bfd *, bfd_boolean, char **, bfd_size_type *); 168 bfd_boolean _bfd_write_archive_contents 169 (bfd *abfd); 170 bfd_boolean _bfd_compute_and_write_armap 171 (bfd *, unsigned int elength); 172 bfd *_bfd_get_elt_at_filepos 173 (bfd *archive, file_ptr filepos); 174 extern bfd *_bfd_generic_get_elt_at_index 175 (bfd *, symindex); 176 bfd * _bfd_new_bfd 177 (void); 178 bfd_boolean _bfd_free_cached_info 179 (bfd *); 180 181 bfd_boolean bfd_false 182 (bfd *ignore); 183 bfd_boolean bfd_true 184 (bfd *ignore); 185 void *bfd_nullvoidptr 186 (bfd *ignore); 187 int bfd_0 188 (bfd *ignore); 189 unsigned int bfd_0u 190 (bfd *ignore); 191 long bfd_0l 192 (bfd *ignore); 193 long _bfd_n1 194 (bfd *ignore); 195 void bfd_void 196 (bfd *ignore); 197 198 bfd *_bfd_new_bfd_contained_in 199 (bfd *); 200 const bfd_target *_bfd_dummy_target 201 (bfd *abfd); 202 203 void bfd_dont_truncate_arname 204 (bfd *abfd, const char *filename, char *hdr); 205 void bfd_bsd_truncate_arname 206 (bfd *abfd, const char *filename, char *hdr); 207 void bfd_gnu_truncate_arname 208 (bfd *abfd, const char *filename, char *hdr); 209 210 bfd_boolean _bfd_bsd_write_armap 211 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 212 int stridx); 213 214 bfd_boolean _bfd_coff_write_armap 215 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 216 int stridx); 217 218 extern void *_bfd_generic_read_ar_hdr 219 (bfd *); 220 extern void _bfd_ar_spacepad 221 (char *, size_t, const char *, long); 222 extern bfd_boolean _bfd_ar_sizepad 223 (char *, size_t, bfd_size_type); 224 225 extern void *_bfd_generic_read_ar_hdr_mag 226 (bfd *, const char *); 227 228 extern bfd_boolean _bfd_generic_write_ar_hdr 229 (bfd *, bfd *); 230 231 extern bfd_boolean _bfd_bsd44_write_ar_hdr 232 (bfd *, bfd *); 233 234 bfd * bfd_generic_openr_next_archived_file 235 (bfd *archive, bfd *last_file); 236 237 int bfd_generic_stat_arch_elt 238 (bfd *, struct stat *); 239 240 #define _bfd_read_ar_hdr(abfd) \ 241 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 242 #define _bfd_write_ar_hdr(archive, abfd) \ 243 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd)) 244 245 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 247 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 248 249 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup 250 extern bfd_boolean _bfd_archive_close_and_cleanup 251 (bfd *); 252 #define _bfd_generic_bfd_free_cached_info bfd_true 253 extern bfd_boolean _bfd_generic_new_section_hook 254 (bfd *, asection *); 255 extern bfd_boolean _bfd_generic_get_section_contents 256 (bfd *, asection *, void *, file_ptr, bfd_size_type); 257 extern bfd_boolean _bfd_generic_get_section_contents_in_window 258 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); 259 260 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 261 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 262 263 #define _bfd_generic_bfd_copy_private_bfd_data \ 264 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 265 #define _bfd_generic_bfd_merge_private_bfd_data \ 266 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true) 267 #define _bfd_generic_bfd_set_private_flags \ 268 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 269 #define _bfd_generic_bfd_copy_private_section_data \ 270 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) 271 #define _bfd_generic_bfd_copy_private_symbol_data \ 272 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) 273 #define _bfd_generic_bfd_copy_private_header_data \ 274 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 275 #define _bfd_generic_bfd_print_private_bfd_data \ 276 ((bfd_boolean (*) (bfd *, void *)) bfd_true) 277 278 extern bfd_boolean _bfd_generic_init_private_section_data 279 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *); 280 281 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 282 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 283 284 extern char *_bfd_nocore_core_file_failing_command 285 (bfd *); 286 extern int _bfd_nocore_core_file_failing_signal 287 (bfd *); 288 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p 289 (bfd *, bfd *); 290 extern int _bfd_nocore_core_file_pid 291 (bfd *); 292 293 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 294 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 295 296 #define _bfd_noarchive_slurp_armap bfd_false 297 #define _bfd_noarchive_slurp_extended_name_table bfd_false 298 #define _bfd_noarchive_construct_extended_name_table \ 299 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ 300 bfd_false) 301 #define _bfd_noarchive_truncate_arname \ 302 ((void (*) (bfd *, const char *, char *)) bfd_void) 303 #define _bfd_noarchive_write_armap \ 304 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ 305 bfd_false) 306 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr 307 #define _bfd_noarchive_write_ar_hdr \ 308 ((bfd_boolean (*) (bfd *, bfd *)) bfd_false) 309 #define _bfd_noarchive_openr_next_archived_file \ 310 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) 311 #define _bfd_noarchive_get_elt_at_index \ 312 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) 313 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 314 #define _bfd_noarchive_update_armap_timestamp bfd_false 315 316 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 317 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 318 319 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 320 #define _bfd_archive_bsd_slurp_extended_name_table \ 321 _bfd_slurp_extended_name_table 322 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table 323 (bfd *, char **, bfd_size_type *, const char **); 324 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 325 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap 326 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 327 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr 328 #define _bfd_archive_bsd_openr_next_archived_file \ 329 bfd_generic_openr_next_archived_file 330 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 331 #define _bfd_archive_bsd_generic_stat_arch_elt \ 332 bfd_generic_stat_arch_elt 333 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp 334 (bfd *); 335 336 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 337 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 338 339 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 340 #define _bfd_archive_coff_slurp_extended_name_table \ 341 _bfd_slurp_extended_name_table 342 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table 343 (bfd *, char **, bfd_size_type *, const char **); 344 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 345 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap 346 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 347 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr 348 #define _bfd_archive_coff_openr_next_archived_file \ 349 bfd_generic_openr_next_archived_file 350 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 351 #define _bfd_archive_coff_generic_stat_arch_elt \ 352 bfd_generic_stat_arch_elt 353 #define _bfd_archive_coff_update_armap_timestamp bfd_true 354 355 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style 356 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */ 357 358 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap 359 #define _bfd_archive_bsd44_slurp_extended_name_table \ 360 _bfd_slurp_extended_name_table 361 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table 362 (bfd *, char **, bfd_size_type *, const char **); 363 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname 364 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap 365 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr 366 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr 367 #define _bfd_archive_bsd44_openr_next_archived_file \ 368 bfd_generic_openr_next_archived_file 369 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index 370 #define _bfd_archive_bsd44_generic_stat_arch_elt \ 371 bfd_generic_stat_arch_elt 372 #define _bfd_archive_bsd44_update_armap_timestamp \ 373 _bfd_archive_bsd_update_armap_timestamp 374 375 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style 376 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them 377 are irrelevant. */ 378 379 extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch); 380 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap 381 #define _bfd_vms_lib_slurp_extended_name_table \ 382 _bfd_noarchive_slurp_extended_name_table 383 #define _bfd_vms_lib_construct_extended_name_table \ 384 _bfd_noarchive_construct_extended_name_table 385 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname 386 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap 387 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr 388 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr 389 extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *); 390 extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex); 391 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *); 392 #define _bfd_vms_lib_update_armap_timestamp bfd_true 393 394 /* Extra routines for VMS style archives. */ 395 396 extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *); 397 extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *); 398 extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd); 399 extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd); 400 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd); 401 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd); 402 403 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 404 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 405 406 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 407 #define _bfd_nosymbols_canonicalize_symtab \ 408 ((long (*) (bfd *, asymbol **)) _bfd_n1) 409 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 410 #define _bfd_nosymbols_print_symbol \ 411 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) 412 #define _bfd_nosymbols_get_symbol_info \ 413 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) 414 #define _bfd_nosymbols_get_symbol_version_string \ 415 ((const char *(*) (bfd *, asymbol *, bfd_boolean *)) bfd_nullvoidptr) 416 #define _bfd_nosymbols_bfd_is_local_label_name \ 417 ((bfd_boolean (*) (bfd *, const char *)) bfd_false) 418 #define _bfd_nosymbols_bfd_is_target_special_symbol \ 419 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 420 #define _bfd_nosymbols_get_lineno \ 421 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) 422 #define _bfd_nosymbols_find_nearest_line \ 423 ((bfd_boolean (*) (bfd *, asymbol **, asection *, bfd_vma, \ 424 const char **, const char **, unsigned int *, \ 425 unsigned int *)) \ 426 bfd_false) 427 #define _bfd_nosymbols_find_line \ 428 ((bfd_boolean (*) (bfd *, asymbol **, asymbol *, \ 429 const char **, unsigned int *)) \ 430 bfd_false) 431 #define _bfd_nosymbols_find_inliner_info \ 432 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \ 433 bfd_false) 434 #define _bfd_nosymbols_bfd_make_debug_symbol \ 435 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 436 #define _bfd_nosymbols_read_minisymbols \ 437 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) 438 #define _bfd_nosymbols_minisymbol_to_symbol \ 439 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ 440 bfd_nullvoidptr) 441 442 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 443 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 444 445 extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *); 446 extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *, 447 arelent **, asymbol **); 448 #define _bfd_norelocs_bfd_reloc_type_lookup \ 449 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) 450 #define _bfd_norelocs_bfd_reloc_name_lookup \ 451 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr) 452 453 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 454 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 455 456 #define _bfd_nowrite_set_arch_mach \ 457 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ 458 bfd_false) 459 #define _bfd_nowrite_set_section_contents \ 460 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ 461 bfd_false) 462 463 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 464 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 465 466 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 467 extern bfd_boolean _bfd_generic_set_section_contents 468 (bfd *, asection *, const void *, file_ptr, bfd_size_type); 469 470 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 471 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 472 473 #define _bfd_nolink_sizeof_headers \ 474 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0) 475 #define _bfd_nolink_bfd_get_relocated_section_contents \ 476 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ 477 bfd_byte *, bfd_boolean, asymbol **)) \ 478 bfd_nullvoidptr) 479 #define _bfd_nolink_bfd_relax_section \ 480 ((bfd_boolean (*) \ 481 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ 482 bfd_false) 483 #define _bfd_nolink_bfd_gc_sections \ 484 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 485 bfd_false) 486 #define _bfd_nolink_bfd_lookup_section_flags \ 487 ((bfd_boolean (*) (struct bfd_link_info *, struct flag_info *, asection *)) \ 488 bfd_0) 489 #define _bfd_nolink_bfd_merge_sections \ 490 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 491 bfd_false) 492 #define _bfd_nolink_bfd_is_group_section \ 493 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ 494 bfd_false) 495 #define _bfd_nolink_bfd_discard_group \ 496 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ 497 bfd_false) 498 #define _bfd_nolink_bfd_link_hash_table_create \ 499 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) 500 #define _bfd_nolink_bfd_link_add_symbols \ 501 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 502 #define _bfd_nolink_bfd_link_just_syms \ 503 ((void (*) (asection *, struct bfd_link_info *)) bfd_void) 504 #define _bfd_nolink_bfd_copy_link_hash_symbol_type \ 505 ((void (*) (bfd *, struct bfd_link_hash_entry *, \ 506 struct bfd_link_hash_entry *)) bfd_void) 507 #define _bfd_nolink_bfd_final_link \ 508 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 509 #define _bfd_nolink_bfd_link_split_section \ 510 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) 511 #define _bfd_nolink_section_already_linked \ 512 ((bfd_boolean (*) (bfd *, asection *, \ 513 struct bfd_link_info *)) bfd_false) 514 #define _bfd_nolink_bfd_define_common_symbol \ 515 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \ 516 struct bfd_link_hash_entry *)) bfd_false) 517 #define _bfd_nolink_bfd_link_check_relocs \ 518 _bfd_generic_link_check_relocs 519 520 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 521 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 522 (_bfd_nodynamic). */ 523 524 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 525 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 526 ((long (*) (bfd *, asymbol **)) _bfd_n1) 527 #define _bfd_nodynamic_get_synthetic_symtab \ 528 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) 529 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 530 #define _bfd_nodynamic_canonicalize_dynamic_reloc \ 531 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) 532 533 /* Generic routine to determine of the given symbol is a local 535 label. */ 536 extern bfd_boolean bfd_generic_is_local_label_name 537 (bfd *, const char *); 538 539 /* Generic minisymbol routines. */ 540 extern long _bfd_generic_read_minisymbols 541 (bfd *, bfd_boolean, void **, unsigned int *); 542 extern asymbol *_bfd_generic_minisymbol_to_symbol 543 (bfd *, bfd_boolean, const void *, asymbol *); 544 545 /* Find the nearest line using .stab/.stabstr sections. */ 546 extern bfd_boolean _bfd_stab_section_find_nearest_line 547 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, 548 const char **, const char **, unsigned int *, void **); 549 550 /* Find the nearest line using DWARF 1 debugging information. */ 551 extern bfd_boolean _bfd_dwarf1_find_nearest_line 552 (bfd *, asymbol **, asection *, bfd_vma, 553 const char **, const char **, unsigned int *); 554 555 struct dwarf_debug_section 556 { 557 const char *uncompressed_name; 558 const char *compressed_name; 559 }; 560 561 /* Map of uncompressed DWARF debug section name to compressed one. It 562 is terminated by NULL uncompressed_name. */ 563 564 extern const struct dwarf_debug_section dwarf_debug_sections[]; 565 566 /* Find the nearest line using DWARF 2 debugging information. */ 567 extern bfd_boolean _bfd_dwarf2_find_nearest_line 568 (bfd *, asymbol **, asymbol *, asection *, bfd_vma, 569 const char **, const char **, unsigned int *, unsigned int *, 570 const struct dwarf_debug_section *, unsigned int, void **); 571 572 /* Find the bias between DWARF addresses and real addresses. */ 573 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias 574 (asymbol **, void **); 575 576 /* Find inliner info after calling bfd_find_nearest_line. */ 577 extern bfd_boolean _bfd_dwarf2_find_inliner_info 578 (bfd *, const char **, const char **, unsigned int *, void **); 579 580 /* Read DWARF 2 debugging information. */ 581 extern bfd_boolean _bfd_dwarf2_slurp_debug_info 582 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **, 583 bfd_boolean); 584 585 /* Clean up the data used to handle DWARF 2 debugging information. */ 586 extern void _bfd_dwarf2_cleanup_debug_info 587 (bfd *, void **); 588 589 /* Create a new section entry. */ 590 extern struct bfd_hash_entry *bfd_section_hash_newfunc 591 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 592 593 /* A routine to create entries for a bfd_link_hash_table. */ 594 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 595 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 596 const char *string); 597 598 /* Initialize a bfd_link_hash_table. */ 599 extern bfd_boolean _bfd_link_hash_table_init 600 (struct bfd_link_hash_table *, bfd *, 601 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 602 struct bfd_hash_table *, 603 const char *), 604 unsigned int); 605 606 /* Generic link hash table creation routine. */ 607 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 608 (bfd *); 609 610 /* Generic link hash table destruction routine. */ 611 extern void _bfd_generic_link_hash_table_free 612 (bfd *); 613 614 /* Generic add symbol routine. */ 615 extern bfd_boolean _bfd_generic_link_add_symbols 616 (bfd *, struct bfd_link_info *); 617 618 /* Generic archive add symbol routine. */ 619 extern bfd_boolean _bfd_generic_link_add_archive_symbols 620 (bfd *, struct bfd_link_info *, 621 bfd_boolean (*) (bfd *, struct bfd_link_info *, 622 struct bfd_link_hash_entry *, const char *, 623 bfd_boolean *)); 624 625 /* Forward declaration to avoid prototype errors. */ 626 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 627 628 /* Generic routine to add a single symbol. */ 629 extern bfd_boolean _bfd_generic_link_add_one_symbol 630 (struct bfd_link_info *, bfd *, const char *name, flagword, 631 asection *, bfd_vma, const char *, bfd_boolean copy, 632 bfd_boolean constructor, struct bfd_link_hash_entry **); 633 634 /* Generic routine to mark section as supplying symbols only. */ 635 extern void _bfd_generic_link_just_syms 636 (asection *, struct bfd_link_info *); 637 638 /* Generic routine that does nothing. */ 639 extern void _bfd_generic_copy_link_hash_symbol_type 640 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *); 641 642 /* Generic link routine. */ 643 extern bfd_boolean _bfd_generic_final_link 644 (bfd *, struct bfd_link_info *); 645 646 extern bfd_boolean _bfd_generic_link_split_section 647 (bfd *, struct bfd_section *); 648 649 extern bfd_boolean _bfd_generic_section_already_linked 650 (bfd *, asection *, struct bfd_link_info *); 651 652 /* Generic reloc_link_order processing routine. */ 653 extern bfd_boolean _bfd_generic_reloc_link_order 654 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 655 656 /* Default link order processing routine. */ 657 extern bfd_boolean _bfd_default_link_order 658 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 659 660 /* Count the number of reloc entries in a link order list. */ 661 extern unsigned int _bfd_count_link_order_relocs 662 (struct bfd_link_order *); 663 664 /* Final link relocation routine. */ 665 extern bfd_reloc_status_type _bfd_final_link_relocate 666 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 667 bfd_vma, bfd_vma, bfd_vma); 668 669 /* Relocate a particular location by a howto and a value. */ 670 extern bfd_reloc_status_type _bfd_relocate_contents 671 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); 672 673 /* Clear a given location using a given howto. */ 674 extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd, 675 asection *input_section, bfd_byte *location); 676 677 /* Link stabs in sections in the first pass. */ 678 679 extern bfd_boolean _bfd_link_section_stabs 680 (bfd *, struct stab_info *, asection *, asection *, void **, 681 bfd_size_type *); 682 683 /* Eliminate stabs for discarded functions and symbols. */ 684 extern bfd_boolean _bfd_discard_section_stabs 685 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); 686 687 /* Write out the .stab section when linking stabs in sections. */ 688 689 extern bfd_boolean _bfd_write_section_stabs 690 (bfd *, struct stab_info *, asection *, void **, bfd_byte *); 691 692 /* Write out the .stabstr string table when linking stabs in sections. */ 693 694 extern bfd_boolean _bfd_write_stab_strings 695 (bfd *, struct stab_info *); 696 697 /* Find an offset within a .stab section when linking stabs in 698 sections. */ 699 700 extern bfd_vma _bfd_stab_section_offset 701 (asection *, void *, bfd_vma); 702 703 /* Register a SEC_MERGE section as a candidate for merging. */ 704 705 extern bfd_boolean _bfd_add_merge_section 706 (bfd *, void **, asection *, void **); 707 708 /* Attempt to merge SEC_MERGE sections. */ 709 710 extern bfd_boolean _bfd_merge_sections 711 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); 712 713 /* Write out a merged section. */ 714 715 extern bfd_boolean _bfd_write_merged_section 716 (bfd *, asection *, void *); 717 718 /* Find an offset within a modified SEC_MERGE section. */ 719 720 extern bfd_vma _bfd_merged_section_offset 721 (bfd *, asection **, void *, bfd_vma); 722 723 /* Tidy up when done. */ 724 725 extern void _bfd_merge_sections_free (void *); 726 727 /* Create a string table. */ 728 extern struct bfd_strtab_hash *_bfd_stringtab_init 729 (void); 730 731 /* Create an XCOFF .debug section style string table. */ 732 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init 733 (void); 734 735 /* Free a string table. */ 736 extern void _bfd_stringtab_free 737 (struct bfd_strtab_hash *); 738 739 /* Get the size of a string table. */ 740 extern bfd_size_type _bfd_stringtab_size 741 (struct bfd_strtab_hash *); 742 743 /* Add a string to a string table. */ 744 extern bfd_size_type _bfd_stringtab_add 745 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); 746 747 /* Write out a string table. */ 748 extern bfd_boolean _bfd_stringtab_emit 749 (bfd *, struct bfd_strtab_hash *); 750 751 /* Macros to tell if bfds are read or write enabled. 753 754 Note that bfds open for read may be scribbled into if the fd passed 755 to bfd_fdopenr is actually open both for read and write 756 simultaneously. However an output bfd will never be open for 757 read. Therefore sometimes you want to check bfd_read_p or 758 !bfd_read_p, and only sometimes bfd_write_p. 759 */ 760 761 #define bfd_read_p(abfd) \ 762 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 763 #define bfd_write_p(abfd) \ 764 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 765 766 void bfd_assert 767 (const char*,int); 768 769 #define BFD_ASSERT(x) \ 770 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 771 772 #define BFD_FAIL() \ 773 do { bfd_assert(__FILE__,__LINE__); } while (0) 774 775 extern void _bfd_abort 776 (const char *, int, const char *) ATTRIBUTE_NORETURN; 777 778 /* if gcc >= 2.6, we can give a function name, too */ 779 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 780 #define __PRETTY_FUNCTION__ ((char *) NULL) 781 #endif 782 783 #undef abort 784 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 785 786 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 787 the system "off_t" or "off64_t", as the offset. */ 788 extern file_ptr _bfd_real_ftell (FILE *file); 789 extern int _bfd_real_fseek (FILE *file, file_ptr offset, int whence); 790 extern FILE *_bfd_real_fopen (const char *filename, const char *modes); 791 792 /* List of supported target vectors, and the default vector (if 793 bfd_default_vector[0] is NULL, there is no default). */ 794 extern const bfd_target * const *bfd_target_vector; 795 extern const bfd_target *bfd_default_vector[]; 796 797 /* List of associated target vectors. */ 798 extern const bfd_target * const *bfd_associated_vector; 799 800 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 801 other common header files. */ 802 803 #if defined(__STDC__) || defined(ALMOST_STDC) 804 struct ecoff_find_line; 805 #endif 806 807 extern bfd_boolean _bfd_ecoff_locate_line 808 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 809 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 810 const char **, const char **, unsigned int *); 811 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr 812 (void *, bfd_byte *); 813 extern bfd_boolean _bfd_ecoff_get_accumulated_sym 814 (void *, bfd_byte *); 815 extern bfd_boolean _bfd_ecoff_get_accumulated_ss 816 (void *, bfd_byte *); 817 818 extern bfd_vma _bfd_get_gp_value 819 (bfd *); 820 extern void _bfd_set_gp_value 821 (bfd *, bfd_vma); 822 823 /* Function shared by the COFF and ELF SH backends, which have no 824 other common header files. */ 825 826 #ifndef _bfd_sh_align_load_span 827 extern bfd_boolean _bfd_sh_align_load_span 828 (bfd *, asection *, bfd_byte *, 829 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 830 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); 831 #endif 832 833 /* This is the shape of the elements inside the already_linked hash 834 table. It maps a name onto a list of already_linked elements with 835 the same name. */ 836 837 struct bfd_section_already_linked_hash_entry 838 { 839 struct bfd_hash_entry root; 840 struct bfd_section_already_linked *entry; 841 }; 842 843 struct bfd_section_already_linked 844 { 845 struct bfd_section_already_linked *next; 846 asection *sec; 847 }; 848 849 extern struct bfd_section_already_linked_hash_entry * 850 bfd_section_already_linked_table_lookup (const char *); 851 extern bfd_boolean bfd_section_already_linked_table_insert 852 (struct bfd_section_already_linked_hash_entry *, asection *); 853 extern void bfd_section_already_linked_table_traverse 854 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, 855 void *), void *); 856 857 extern bfd_vma _bfd_read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); 858 extern bfd_signed_vma _bfd_read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); 859 extern bfd_vma _bfd_safe_read_leb128 (bfd *, bfd_byte *, unsigned int *, 860 bfd_boolean, const bfd_byte * const); 861
Indexes created Sat Apr 18 00:22:28 UTC 2026