libbfd-in.h revision 1.1.1.9.2.1
1 /* libbfd.h -- Declarations used by bfd library *implementation*. 2 (This include file is not for users of the library.) 3 4 Copyright (C) 1990-2024 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 #ifndef _LIBBFD_H 26 #define _LIBBFD_H 1 27 28 #ifndef ATTRIBUTE_HIDDEN 29 #if HAVE_HIDDEN 30 #define ATTRIBUTE_HIDDEN __attribute__ ((__visibility__ ("hidden"))) 31 #else 32 #define ATTRIBUTE_HIDDEN 33 #endif 34 #endif 35 36 #include "hashtab.h" 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* Set a tdata field. Can't use the other macros for this, since they 43 do casts, and casting to the left of assignment isn't portable. */ 44 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 45 46 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 47 to an instance of this structure. */ 48 49 struct bfd_in_memory 50 { 51 /* Size of buffer. */ 52 bfd_size_type size; 53 /* Buffer holding contents of BFD. */ 54 bfd_byte *buffer; 55 }; 56 57 struct section_hash_entry 58 { 59 struct bfd_hash_entry root; 60 asection section; 61 }; 62 63 /* Unique section id. */ 64 extern unsigned int _bfd_section_id ATTRIBUTE_HIDDEN; 65 66 /* tdata for an archive. For an input archive, cache 67 needs to be free()'d. For an output archive, symdefs do. */ 68 69 struct artdata 70 { 71 ufile_ptr first_file_filepos; 72 /* Speed up searching the armap */ 73 htab_t cache; 74 carsym *symdefs; /* The symdef entries. */ 75 symindex symdef_count; /* How many there are. */ 76 char *extended_names; /* Clever intel extension. */ 77 bfd_size_type extended_names_size; /* Size of extended names. */ 78 /* When more compilers are standard C, this can be a time_t. */ 79 long armap_timestamp; /* Timestamp value written into armap. 80 This is used for BSD archives to check 81 that the timestamp is recent enough 82 for the BSD linker to not complain, 83 just before we finish writing an 84 archive. */ 85 file_ptr armap_datepos; /* Position within archive to seek to 86 rewrite the date field. */ 87 void *tdata; /* Backend specific information. */ 88 }; 89 90 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 91 92 /* Goes in bfd's arelt_data slot */ 93 struct areltdata 94 { 95 char * arch_header; /* It's actually a string. */ 96 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */ 97 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */ 98 char *filename; /* Null-terminated. */ 99 file_ptr origin; /* For element of a thin archive. */ 100 void *parent_cache; /* Where and how to find this member. */ 101 file_ptr key; 102 }; 103 104 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 105 106 extern void *bfd_malloc 107 (bfd_size_type) ATTRIBUTE_HIDDEN; 108 109 static inline char * 110 bfd_strdup (const char *str) 111 { 112 size_t len = strlen (str) + 1; 113 char *buf = bfd_malloc (len); 114 if (buf != NULL) 115 memcpy (buf, str, len); 116 return buf; 117 } 118 119 extern bfd * _bfd_create_empty_archive_element_shell 120 (bfd *) ATTRIBUTE_HIDDEN; 121 extern bfd * _bfd_look_for_bfd_in_cache 122 (bfd *, file_ptr) ATTRIBUTE_HIDDEN; 123 extern bool _bfd_add_bfd_to_archive_cache 124 (bfd *, file_ptr, bfd *) ATTRIBUTE_HIDDEN; 125 extern bool _bfd_generic_mkarchive 126 (bfd *) ATTRIBUTE_HIDDEN; 127 extern char *_bfd_append_relative_path 128 (bfd *, char *) ATTRIBUTE_HIDDEN; 129 extern bfd_cleanup bfd_generic_archive_p 130 (bfd *) ATTRIBUTE_HIDDEN; 131 extern bool bfd_slurp_armap 132 (bfd *) ATTRIBUTE_HIDDEN; 133 #define bfd_slurp_bsd_armap bfd_slurp_armap 134 #define bfd_slurp_coff_armap bfd_slurp_armap 135 extern bool _bfd_archive_64_bit_slurp_armap 136 (bfd *) ATTRIBUTE_HIDDEN; 137 extern bool _bfd_archive_64_bit_write_armap 138 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 139 #define _bfd_archive_64_bit_slurp_extended_name_table \ 140 _bfd_slurp_extended_name_table 141 #define _bfd_archive_64_bit_construct_extended_name_table \ 142 _bfd_archive_coff_construct_extended_name_table 143 #define _bfd_archive_64_bit_truncate_arname \ 144 bfd_dont_truncate_arname 145 #define _bfd_archive_64_bit_read_ar_hdr \ 146 _bfd_generic_read_ar_hdr 147 #define _bfd_archive_64_bit_write_ar_hdr \ 148 _bfd_generic_write_ar_hdr 149 #define _bfd_archive_64_bit_openr_next_archived_file \ 150 bfd_generic_openr_next_archived_file 151 #define _bfd_archive_64_bit_get_elt_at_index \ 152 _bfd_generic_get_elt_at_index 153 #define _bfd_archive_64_bit_generic_stat_arch_elt \ 154 bfd_generic_stat_arch_elt 155 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true 156 157 extern bool _bfd_slurp_extended_name_table 158 (bfd *) ATTRIBUTE_HIDDEN; 159 extern bool _bfd_construct_extended_name_table 160 (bfd *, bool, char **, bfd_size_type *) ATTRIBUTE_HIDDEN; 161 extern bool _bfd_write_archive_contents 162 (bfd *) ATTRIBUTE_HIDDEN; 163 extern bool _bfd_compute_and_write_armap 164 (bfd *, unsigned int) ATTRIBUTE_HIDDEN; 165 extern bfd *_bfd_get_elt_at_filepos 166 (bfd *, file_ptr, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 167 extern bfd *_bfd_generic_get_elt_at_index 168 (bfd *, symindex) ATTRIBUTE_HIDDEN; 169 170 extern bool _bfd_bool_bfd_false 171 (bfd *) ATTRIBUTE_HIDDEN; 172 extern bool _bfd_bool_bfd_asymbol_false 173 (bfd *, asymbol *) ATTRIBUTE_HIDDEN; 174 extern bool _bfd_bool_bfd_false_error 175 (bfd *) ATTRIBUTE_HIDDEN; 176 extern bool _bfd_bool_bfd_link_false_error 177 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 178 extern bool _bfd_bool_bfd_true 179 (bfd *) ATTRIBUTE_HIDDEN; 180 extern bool _bfd_bool_bfd_link_true 181 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 182 extern bool _bfd_bool_bfd_bfd_true 183 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 184 extern bool _bfd_bool_bfd_uint_true 185 (bfd *, unsigned int) ATTRIBUTE_HIDDEN; 186 extern bool _bfd_bool_bfd_asection_bfd_asection_true 187 (bfd *, asection *, bfd *, asection *) ATTRIBUTE_HIDDEN; 188 extern bool _bfd_bool_bfd_asymbol_bfd_asymbol_true 189 (bfd *, asymbol *, bfd *, asymbol *) ATTRIBUTE_HIDDEN; 190 extern bool _bfd_bool_bfd_ptr_true 191 (bfd *, void *) ATTRIBUTE_HIDDEN; 192 extern void *_bfd_ptr_bfd_null_error 193 (bfd *) ATTRIBUTE_HIDDEN; 194 extern int _bfd_int_bfd_0 195 (bfd *) ATTRIBUTE_HIDDEN; 196 extern unsigned int _bfd_uint_bfd_0 197 (bfd *) ATTRIBUTE_HIDDEN; 198 extern long _bfd_long_bfd_0 199 (bfd *) ATTRIBUTE_HIDDEN; 200 extern long _bfd_long_bfd_n1_error 201 (bfd *) ATTRIBUTE_HIDDEN; 202 extern void _bfd_void_bfd 203 (bfd *) ATTRIBUTE_HIDDEN; 204 extern void _bfd_void_bfd_link 205 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 206 extern void _bfd_void_bfd_asection 207 (bfd *, asection *) ATTRIBUTE_HIDDEN; 208 209 extern bfd_cleanup _bfd_dummy_target 210 (bfd *) ATTRIBUTE_HIDDEN; 211 #define _bfd_no_cleanup _bfd_void_bfd 212 213 extern void bfd_dont_truncate_arname 214 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 215 extern void bfd_bsd_truncate_arname 216 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 217 extern void bfd_gnu_truncate_arname 218 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 219 220 extern bool _bfd_bsd_write_armap 221 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 222 223 extern bool _bfd_coff_write_armap 224 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 225 226 extern void *_bfd_generic_read_ar_hdr 227 (bfd *) ATTRIBUTE_HIDDEN; 228 extern void _bfd_ar_spacepad 229 (char *, size_t, const char *, long) ATTRIBUTE_HIDDEN; 230 extern bool _bfd_ar_sizepad 231 (char *, size_t, bfd_size_type) ATTRIBUTE_HIDDEN; 232 233 extern void *_bfd_generic_read_ar_hdr_mag 234 (bfd *, const char *) ATTRIBUTE_HIDDEN; 235 236 extern bool _bfd_generic_write_ar_hdr 237 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 238 239 extern bool _bfd_bsd44_write_ar_hdr 240 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 241 242 extern bfd * bfd_generic_openr_next_archived_file 243 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 244 245 extern int bfd_generic_stat_arch_elt 246 (bfd *, struct stat *) ATTRIBUTE_HIDDEN; 247 248 #define _bfd_read_ar_hdr(abfd) \ 249 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 250 #define _bfd_write_ar_hdr(archive, abfd) \ 251 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd)) 252 253 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 255 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 256 257 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup 258 extern bool _bfd_archive_close_and_cleanup 259 (bfd *) ATTRIBUTE_HIDDEN; 260 extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN; 261 #define _bfd_generic_bfd_free_cached_info _bfd_free_cached_info 262 extern bool _bfd_generic_new_section_hook 263 (bfd *, asection *) ATTRIBUTE_HIDDEN; 264 extern bool _bfd_generic_get_section_contents 265 (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 266 extern bool _bfd_generic_get_section_contents_in_window 267 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 268 269 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 270 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 271 272 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true 273 #define _bfd_generic_bfd_merge_private_bfd_data \ 274 _bfd_bool_bfd_link_true 275 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true 276 #define _bfd_generic_bfd_copy_private_section_data \ 277 _bfd_bool_bfd_asection_bfd_asection_true 278 #define _bfd_generic_bfd_copy_private_symbol_data \ 279 _bfd_bool_bfd_asymbol_bfd_asymbol_true 280 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true 281 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true 282 283 extern bool _bfd_generic_init_private_section_data 284 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *) 285 ATTRIBUTE_HIDDEN; 286 287 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 288 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 289 290 extern char *_bfd_nocore_core_file_failing_command 291 (bfd *) ATTRIBUTE_HIDDEN; 292 extern int _bfd_nocore_core_file_failing_signal 293 (bfd *) ATTRIBUTE_HIDDEN; 294 extern bool _bfd_nocore_core_file_matches_executable_p 295 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 296 extern int _bfd_nocore_core_file_pid 297 (bfd *) ATTRIBUTE_HIDDEN; 298 299 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 300 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 301 302 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error 303 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error 304 extern bool _bfd_noarchive_construct_extended_name_table 305 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 306 extern void _bfd_noarchive_truncate_arname 307 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 308 extern bool _bfd_noarchive_write_armap 309 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 310 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error 311 extern bool _bfd_noarchive_write_ar_hdr 312 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 313 extern bfd * 314 _bfd_noarchive_openr_next_archived_file 315 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 316 extern bfd * _bfd_noarchive_get_elt_at_index 317 (bfd *, symindex) ATTRIBUTE_HIDDEN; 318 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 319 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error 320 321 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 322 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 323 324 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 325 #define _bfd_archive_bsd_slurp_extended_name_table \ 326 _bfd_slurp_extended_name_table 327 extern bool _bfd_archive_bsd_construct_extended_name_table 328 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 329 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 330 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap 331 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 332 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr 333 #define _bfd_archive_bsd_openr_next_archived_file \ 334 bfd_generic_openr_next_archived_file 335 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 336 #define _bfd_archive_bsd_generic_stat_arch_elt \ 337 bfd_generic_stat_arch_elt 338 extern bool _bfd_archive_bsd_update_armap_timestamp 339 (bfd *) ATTRIBUTE_HIDDEN; 340 341 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 342 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 343 344 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 345 #define _bfd_archive_coff_slurp_extended_name_table \ 346 _bfd_slurp_extended_name_table 347 extern bool _bfd_archive_coff_construct_extended_name_table 348 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 349 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 350 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap 351 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 352 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr 353 #define _bfd_archive_coff_openr_next_archived_file \ 354 bfd_generic_openr_next_archived_file 355 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 356 #define _bfd_archive_coff_generic_stat_arch_elt \ 357 bfd_generic_stat_arch_elt 358 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true 359 360 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style 361 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */ 362 363 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap 364 #define _bfd_archive_bsd44_slurp_extended_name_table \ 365 _bfd_slurp_extended_name_table 366 extern bool _bfd_archive_bsd44_construct_extended_name_table 367 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 368 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname 369 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap 370 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr 371 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr 372 #define _bfd_archive_bsd44_openr_next_archived_file \ 373 bfd_generic_openr_next_archived_file 374 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index 375 #define _bfd_archive_bsd44_generic_stat_arch_elt \ 376 bfd_generic_stat_arch_elt 377 #define _bfd_archive_bsd44_update_armap_timestamp \ 378 _bfd_archive_bsd_update_armap_timestamp 379 380 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style 381 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them 382 are irrelevant. */ 383 384 extern bool _bfd_vms_lib_write_archive_contents 385 (bfd *) ATTRIBUTE_HIDDEN; 386 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap 387 #define _bfd_vms_lib_slurp_extended_name_table \ 388 _bfd_noarchive_slurp_extended_name_table 389 #define _bfd_vms_lib_construct_extended_name_table \ 390 _bfd_noarchive_construct_extended_name_table 391 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname 392 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap 393 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr 394 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr 395 extern bfd *_bfd_vms_lib_openr_next_archived_file 396 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 397 extern bfd *_bfd_vms_lib_get_elt_at_index 398 (bfd *, symindex) ATTRIBUTE_HIDDEN; 399 extern int _bfd_vms_lib_generic_stat_arch_elt 400 (bfd *, struct stat *) ATTRIBUTE_HIDDEN; 401 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true 402 403 /* Extra routines for VMS style archives. */ 404 405 extern symindex _bfd_vms_lib_find_symbol 406 (bfd *, const char *) ATTRIBUTE_HIDDEN; 407 extern bfd *_bfd_vms_lib_get_imagelib_file 408 (bfd *) ATTRIBUTE_HIDDEN; 409 extern bfd_cleanup _bfd_vms_lib_alpha_archive_p 410 (bfd *) ATTRIBUTE_HIDDEN; 411 extern bfd_cleanup _bfd_vms_lib_ia64_archive_p 412 (bfd *) ATTRIBUTE_HIDDEN; 413 extern bool _bfd_vms_lib_alpha_mkarchive 414 (bfd *) ATTRIBUTE_HIDDEN; 415 extern bool _bfd_vms_lib_ia64_mkarchive 416 (bfd *) ATTRIBUTE_HIDDEN; 417 418 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 419 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 420 421 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error 422 extern long _bfd_nosymbols_canonicalize_symtab 423 (bfd *, asymbol **) ATTRIBUTE_HIDDEN; 424 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 425 extern void _bfd_nosymbols_print_symbol 426 (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN; 427 extern void _bfd_nosymbols_get_symbol_info 428 (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN; 429 extern const char * _bfd_nosymbols_get_symbol_version_string 430 (bfd *, asymbol *, bool, bool *) ATTRIBUTE_HIDDEN; 431 extern bool _bfd_nosymbols_bfd_is_local_label_name 432 (bfd *, const char *) ATTRIBUTE_HIDDEN; 433 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false 434 extern alent *_bfd_nosymbols_get_lineno 435 (bfd *, asymbol *) ATTRIBUTE_HIDDEN; 436 extern bool _bfd_nosymbols_find_nearest_line 437 (bfd *, asymbol **, asection *, bfd_vma, 438 const char **, const char **, unsigned int *, unsigned int *) 439 ATTRIBUTE_HIDDEN; 440 extern bool _bfd_nosymbols_find_nearest_line_with_alt 441 (bfd *, const char *, asymbol **, asection *, bfd_vma, 442 const char **, const char **, unsigned int *, unsigned int *) 443 ATTRIBUTE_HIDDEN; 444 extern bool _bfd_nosymbols_find_line 445 (bfd *, asymbol **, asymbol *, const char **, unsigned int *) 446 ATTRIBUTE_HIDDEN; 447 extern bool _bfd_nosymbols_find_inliner_info 448 (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 449 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol 450 (bfd *) ATTRIBUTE_HIDDEN; 451 extern long _bfd_nosymbols_read_minisymbols 452 (bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN; 453 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol 454 (bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN; 455 456 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 457 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 458 459 extern long _bfd_norelocs_get_reloc_upper_bound 460 (bfd *, asection *) ATTRIBUTE_HIDDEN; 461 extern long _bfd_norelocs_canonicalize_reloc 462 (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN; 463 extern void _bfd_norelocs_set_reloc 464 (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN; 465 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup 466 (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN; 467 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup 468 (bfd *, const char *) ATTRIBUTE_HIDDEN; 469 470 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 471 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 472 473 extern bool _bfd_nowrite_set_arch_mach 474 (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN; 475 extern bool _bfd_nowrite_set_section_contents 476 (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 477 478 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 479 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 480 481 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 482 extern bool _bfd_generic_set_section_contents 483 (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 484 485 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 486 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 487 488 extern int _bfd_nolink_sizeof_headers 489 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 490 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents 491 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 492 bfd_byte *, bool, asymbol **) ATTRIBUTE_HIDDEN; 493 extern bool _bfd_nolink_bfd_relax_section 494 (bfd *, asection *, struct bfd_link_info *, bool *) ATTRIBUTE_HIDDEN; 495 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error 496 extern bool _bfd_nolink_bfd_lookup_section_flags 497 (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN; 498 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error 499 extern bool _bfd_nolink_bfd_is_group_section 500 (bfd *, const asection *) ATTRIBUTE_HIDDEN; 501 extern const char *_bfd_nolink_bfd_group_name 502 (bfd *, const asection *) ATTRIBUTE_HIDDEN; 503 extern bool _bfd_nolink_bfd_discard_group 504 (bfd *, asection *) ATTRIBUTE_HIDDEN; 505 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create 506 (bfd *) ATTRIBUTE_HIDDEN; 507 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error 508 extern void _bfd_nolink_bfd_link_just_syms 509 (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 510 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type 511 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *) 512 ATTRIBUTE_HIDDEN; 513 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error 514 extern bool _bfd_nolink_bfd_link_split_section 515 (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN; 516 extern bool _bfd_nolink_section_already_linked 517 (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 518 extern bool _bfd_nolink_bfd_define_common_symbol 519 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *) 520 ATTRIBUTE_HIDDEN; 521 #define _bfd_nolink_bfd_link_hide_symbol \ 522 _bfd_generic_link_hide_symbol 523 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop 524 (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN; 525 #define _bfd_nolink_bfd_link_check_relocs \ 526 _bfd_generic_link_check_relocs 527 528 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 529 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 530 (_bfd_nodynamic). */ 531 532 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error 533 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 534 _bfd_nosymbols_canonicalize_symtab 535 extern long _bfd_nodynamic_get_synthetic_symtab 536 (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN; 537 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error 538 extern long _bfd_nodynamic_canonicalize_dynamic_reloc 539 (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN; 540 541 /* Generic routine to determine of the given symbol is a local 543 label. */ 544 extern bool bfd_generic_is_local_label_name 545 (bfd *, const char *) ATTRIBUTE_HIDDEN; 546 547 /* Generic minisymbol routines. */ 548 extern long _bfd_generic_read_minisymbols 549 (bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN; 550 extern asymbol *_bfd_generic_minisymbol_to_symbol 551 (bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN; 552 553 /* Find the nearest line using .stab/.stabstr sections. */ 554 extern bool _bfd_stab_section_find_nearest_line 555 (bfd *, asymbol **, asection *, bfd_vma, bool *, 556 const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN; 557 558 /* Find the nearest line using DWARF 1 debugging information. */ 559 extern bool _bfd_dwarf1_find_nearest_line 560 (bfd *, asymbol **, asection *, bfd_vma, 561 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 562 563 /* Clean up the data used to handle DWARF 1 debugging information. */ 564 extern void _bfd_dwarf1_cleanup_debug_info 565 (bfd *, void **) ATTRIBUTE_HIDDEN; 566 567 struct dwarf_debug_section 568 { 569 const char * uncompressed_name; 570 const char * compressed_name; 571 }; 572 573 /* Map of uncompressed DWARF debug section name to compressed one. It 574 is terminated by NULL uncompressed_name. */ 575 576 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN; 577 578 /* Find the nearest line using DWARF 2 debugging information. */ 579 extern int _bfd_dwarf2_find_nearest_line 580 (bfd *, asymbol **, asymbol *, asection *, bfd_vma, 581 const char **, const char **, unsigned int *, unsigned int *, 582 const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN; 583 584 /* Find the nearest line using DWARF 2 debugging information, with 585 the option of specifying a .gnu_debugaltlink file. */ 586 extern int _bfd_dwarf2_find_nearest_line_with_alt 587 (bfd *, const char *, asymbol **, asymbol *, asection *, bfd_vma, 588 const char **, const char **, unsigned int *, unsigned int *, 589 const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN; 590 591 /* Find the bias between DWARF addresses and real addresses. */ 592 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias 593 (asymbol **, void **) ATTRIBUTE_HIDDEN; 594 595 /* Find inliner info after calling bfd_find_nearest_line. */ 596 extern bool _bfd_dwarf2_find_inliner_info 597 (bfd *, const char **, const char **, unsigned int *, void **) 598 ATTRIBUTE_HIDDEN; 599 600 /* Read DWARF 2 debugging information. */ 601 extern bool _bfd_dwarf2_slurp_debug_info 602 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **, 603 bool) ATTRIBUTE_HIDDEN; 604 605 /* Clean up the data used to handle DWARF 2 debugging information. */ 606 extern void _bfd_dwarf2_cleanup_debug_info 607 (bfd *, void **) ATTRIBUTE_HIDDEN; 608 609 extern void _bfd_stab_cleanup 610 (bfd *, void **) ATTRIBUTE_HIDDEN; 611 612 /* Create a new section entry. */ 613 extern struct bfd_hash_entry *bfd_section_hash_newfunc 614 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *) 615 ATTRIBUTE_HIDDEN; 616 617 /* A routine to create entries for a bfd_link_hash_table. */ 618 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 619 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 620 const char *string) ATTRIBUTE_HIDDEN; 621 622 /* Initialize a bfd_link_hash_table. */ 623 extern bool _bfd_link_hash_table_init 624 (struct bfd_link_hash_table *, bfd *, 625 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 626 struct bfd_hash_table *, 627 const char *), 628 unsigned int) ATTRIBUTE_HIDDEN; 629 630 /* Generic link hash table creation routine. */ 631 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 632 (bfd *) ATTRIBUTE_HIDDEN; 633 634 /* Generic link hash table destruction routine. */ 635 extern void _bfd_generic_link_hash_table_free 636 (bfd *) ATTRIBUTE_HIDDEN; 637 638 /* Generic add symbol routine. */ 639 extern bool _bfd_generic_link_add_symbols 640 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 641 642 /* Generic archive add symbol routine. */ 643 extern bool _bfd_generic_link_add_archive_symbols 644 (bfd *, struct bfd_link_info *, 645 bool (*) (bfd *, struct bfd_link_info *, 646 struct bfd_link_hash_entry *, const char *, 647 bool *)) ATTRIBUTE_HIDDEN; 648 649 /* Forward declaration to avoid prototype errors. */ 650 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 651 652 /* Generic routine to add a single symbol. */ 653 extern bool _bfd_generic_link_add_one_symbol 654 (struct bfd_link_info *, bfd *, const char *name, flagword, 655 asection *, bfd_vma, const char *, bool copy, 656 bool constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN; 657 658 /* Generic routine to mark section as supplying symbols only. */ 659 extern void _bfd_generic_link_just_syms 660 (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 661 662 /* Generic routine that does nothing. */ 663 extern void _bfd_generic_copy_link_hash_symbol_type 664 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *) 665 ATTRIBUTE_HIDDEN; 666 667 /* Generic link routine. */ 668 extern bool _bfd_generic_final_link 669 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 670 671 extern bool _bfd_generic_link_split_section 672 (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN; 673 674 extern bool _bfd_generic_section_already_linked 675 (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 676 677 /* Generic reloc_link_order processing routine. */ 678 extern bool _bfd_generic_reloc_link_order 679 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *) 680 ATTRIBUTE_HIDDEN; 681 682 /* Default link order processing routine. */ 683 extern bool _bfd_default_link_order 684 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *) 685 ATTRIBUTE_HIDDEN; 686 687 /* Count the number of reloc entries in a link order list. */ 688 extern unsigned int _bfd_count_link_order_relocs 689 (struct bfd_link_order *) ATTRIBUTE_HIDDEN; 690 691 /* Final link relocation routine. */ 692 extern bfd_reloc_status_type _bfd_final_link_relocate 693 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 694 bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN; 695 696 /* Relocate a particular location by a howto and a value. */ 697 extern bfd_reloc_status_type _bfd_relocate_contents 698 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN; 699 700 /* Clear a given location using a given howto. */ 701 extern bfd_reloc_status_type _bfd_clear_contents 702 (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; 703 704 /* Register a SEC_MERGE section as a candidate for merging. */ 705 706 extern bool _bfd_add_merge_section 707 (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN; 708 709 /* Attempt to merge SEC_MERGE sections. */ 710 711 extern bool _bfd_merge_sections 712 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)) 713 ATTRIBUTE_HIDDEN; 714 715 /* Write out a merged section. */ 716 717 extern bool _bfd_write_merged_section 718 (bfd *, asection *, void *) ATTRIBUTE_HIDDEN; 719 720 /* Find an offset within a modified SEC_MERGE section. */ 721 722 extern bfd_vma _bfd_merged_section_offset 723 (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN; 724 725 /* Tidy up when done. */ 726 727 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN; 728 729 /* Macros to tell if bfds are read or write enabled. 730 731 Note that bfds open for read may be scribbled into if the fd passed 732 to bfd_fdopenr is actually open both for read and write 733 simultaneously. However an output bfd will never be open for 734 read. Therefore sometimes you want to check bfd_read_p or 735 !bfd_read_p, and only sometimes bfd_write_p. 736 */ 737 738 #define bfd_read_p(abfd) \ 739 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 740 #define bfd_write_p(abfd) \ 741 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 742 743 extern void bfd_assert 744 (const char*,int) ATTRIBUTE_HIDDEN; 745 746 #define BFD_ASSERT(x) \ 747 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 748 749 #define BFD_FAIL() \ 750 do { bfd_assert(__FILE__,__LINE__); } while (0) 751 752 extern void _bfd_abort 753 (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN; 754 755 /* if gcc >= 2.6, we can give a function name, too */ 756 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 757 #define __PRETTY_FUNCTION__ ((char *) NULL) 758 #endif 759 760 #undef abort 761 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 762 763 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 764 the system "off_t" or "off64_t", as the offset. */ 765 extern file_ptr _bfd_real_ftell 766 (FILE *) ATTRIBUTE_HIDDEN; 767 extern int _bfd_real_fseek 768 (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN; 769 extern FILE *_bfd_real_fopen 770 (const char *, const char *) ATTRIBUTE_HIDDEN; 771 772 /* List of supported target vectors, and the default vector (if 773 bfd_default_vector[0] is NULL, there is no default). */ 774 extern const bfd_target *const *const bfd_target_vector ATTRIBUTE_HIDDEN; 775 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN; 776 777 /* List of associated target vectors. */ 778 extern const bfd_target *const *const bfd_associated_vector ATTRIBUTE_HIDDEN; 779 780 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 781 other common header files. */ 782 783 struct ecoff_debug_info; 784 struct ecoff_debug_swap; 785 struct ecoff_extr; 786 struct ecoff_find_line; 787 788 extern void _bfd_ecoff_free_ecoff_debug_info 789 (struct ecoff_debug_info *debug); 790 extern bool _bfd_ecoff_locate_line 791 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 792 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 793 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 794 extern bool _bfd_ecoff_get_accumulated_pdr 795 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 796 extern bool _bfd_ecoff_get_accumulated_sym 797 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 798 extern bool _bfd_ecoff_get_accumulated_ss 799 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 800 801 extern bfd_vma _bfd_get_gp_value 802 (bfd *) ATTRIBUTE_HIDDEN; 803 extern void _bfd_set_gp_value 804 (bfd *, bfd_vma) ATTRIBUTE_HIDDEN; 805 806 /* Function shared by the COFF and ELF SH backends, which have no 807 other common header files. */ 808 809 #ifndef _bfd_sh_align_load_span 810 extern bool _bfd_sh_align_load_span 811 (bfd *, asection *, bfd_byte *, 812 bool (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 813 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bool *) ATTRIBUTE_HIDDEN; 814 #endif 815 816 /* This is the shape of the elements inside the already_linked hash 817 table. It maps a name onto a list of already_linked elements with 818 the same name. */ 819 820 struct bfd_section_already_linked_hash_entry 821 { 822 struct bfd_hash_entry root; 823 struct bfd_section_already_linked *entry; 824 }; 825 826 struct bfd_section_already_linked 827 { 828 struct bfd_section_already_linked *next; 829 asection *sec; 830 }; 831 832 extern struct bfd_section_already_linked_hash_entry * 833 bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN; 834 extern bool bfd_section_already_linked_table_insert 835 (struct bfd_section_already_linked_hash_entry *, asection *) 836 ATTRIBUTE_HIDDEN; 837 extern void bfd_section_already_linked_table_traverse 838 (bool (*) (struct bfd_section_already_linked_hash_entry *, 839 void *), void *) ATTRIBUTE_HIDDEN; 840 841 extern bfd_vma _bfd_read_unsigned_leb128 842 (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN; 843 extern bfd_signed_vma _bfd_read_signed_leb128 844 (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN; 845 extern bfd_vma _bfd_safe_read_leb128 846 (bfd *, bfd_byte **, bool, const bfd_byte * const) ATTRIBUTE_HIDDEN; 847 extern bfd_byte * _bfd_write_unsigned_leb128 848 (bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; 849 850 extern struct bfd_link_info *_bfd_get_link_info (bfd *); 851 852 extern bool _bfd_link_keep_memory (struct bfd_link_info *) 853 ATTRIBUTE_HIDDEN; 854 855 #if GCC_VERSION >= 7000 856 #define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res) 857 #else 858 /* Assumes unsigned values. Careful! Args evaluated multiple times. */ 859 #define _bfd_mul_overflow(a, b, res) \ 860 ((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a)) 861 #endif 862 863 #ifdef __GNUC__ 864 #define _bfd_constant_p(v) __builtin_constant_p (v) 865 #else 866 #define _bfd_constant_p(v) 0 867 #endif 868 869 static inline void * 870 _bfd_alloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize) 871 { 872 void *mem; 873 if (!_bfd_constant_p (rsize)) 874 { 875 ufile_ptr filesize = bfd_get_file_size (abfd); 876 if (filesize != 0 && rsize > filesize) 877 { 878 bfd_set_error (bfd_error_file_truncated); 879 return NULL; 880 } 881 } 882 mem = bfd_alloc (abfd, asize); 883 if (mem != NULL) 884 { 885 if (bfd_read (mem, rsize, abfd) == rsize) 886 return mem; 887 bfd_release (abfd, mem); 888 } 889 return NULL; 890 } 891 892 static inline void * 893 _bfd_malloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize) 894 { 895 void *mem; 896 if (!_bfd_constant_p (rsize)) 897 { 898 ufile_ptr filesize = bfd_get_file_size (abfd); 899 if (filesize != 0 && rsize > filesize) 900 { 901 bfd_set_error (bfd_error_file_truncated); 902 return NULL; 903 } 904 } 905 mem = bfd_malloc (asize); 906 if (mem != NULL) 907 { 908 if (bfd_read (mem, rsize, abfd) == rsize) 909 return mem; 910 free (mem); 911 } 912 return NULL; 913 } 914
Indexes created Wed Apr 15 00:22:22 UTC 2026