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 254 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 255 256 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup 257 extern bool _bfd_archive_close_and_cleanup 258 (bfd *) ATTRIBUTE_HIDDEN; 259 extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN; 260 #define _bfd_generic_bfd_free_cached_info _bfd_free_cached_info 261 extern bool _bfd_generic_new_section_hook 262 (bfd *, asection *) ATTRIBUTE_HIDDEN; 263 extern bool _bfd_generic_get_section_contents 264 (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 265 266 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 267 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 268 269 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true 270 #define _bfd_generic_bfd_merge_private_bfd_data \ 271 _bfd_bool_bfd_link_true 272 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true 273 #define _bfd_generic_bfd_copy_private_section_data \ 274 _bfd_bool_bfd_asection_bfd_asection_true 275 #define _bfd_generic_bfd_copy_private_symbol_data \ 276 _bfd_bool_bfd_asymbol_bfd_asymbol_true 277 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true 278 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true 279 280 extern bool _bfd_generic_init_private_section_data 281 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *) 282 ATTRIBUTE_HIDDEN; 283 284 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 285 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 286 287 extern char *_bfd_nocore_core_file_failing_command 288 (bfd *) ATTRIBUTE_HIDDEN; 289 extern int _bfd_nocore_core_file_failing_signal 290 (bfd *) ATTRIBUTE_HIDDEN; 291 extern bool _bfd_nocore_core_file_matches_executable_p 292 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 293 extern int _bfd_nocore_core_file_pid 294 (bfd *) ATTRIBUTE_HIDDEN; 295 296 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 297 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 298 299 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error 300 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error 301 extern bool _bfd_noarchive_construct_extended_name_table 302 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 303 extern void _bfd_noarchive_truncate_arname 304 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 305 extern bool _bfd_noarchive_write_armap 306 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 307 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error 308 extern bool _bfd_noarchive_write_ar_hdr 309 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 310 extern bfd * 311 _bfd_noarchive_openr_next_archived_file 312 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 313 extern bfd * _bfd_noarchive_get_elt_at_index 314 (bfd *, symindex) ATTRIBUTE_HIDDEN; 315 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 316 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error 317 318 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 319 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 320 321 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 322 #define _bfd_archive_bsd_slurp_extended_name_table \ 323 _bfd_slurp_extended_name_table 324 extern bool _bfd_archive_bsd_construct_extended_name_table 325 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 326 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 327 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap 328 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 329 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr 330 #define _bfd_archive_bsd_openr_next_archived_file \ 331 bfd_generic_openr_next_archived_file 332 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 333 #define _bfd_archive_bsd_generic_stat_arch_elt \ 334 bfd_generic_stat_arch_elt 335 extern bool _bfd_archive_bsd_update_armap_timestamp 336 (bfd *) ATTRIBUTE_HIDDEN; 337 338 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 339 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 340 341 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 342 #define _bfd_archive_coff_slurp_extended_name_table \ 343 _bfd_slurp_extended_name_table 344 extern bool _bfd_archive_coff_construct_extended_name_table 345 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 346 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 347 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap 348 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 349 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr 350 #define _bfd_archive_coff_openr_next_archived_file \ 351 bfd_generic_openr_next_archived_file 352 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 353 #define _bfd_archive_coff_generic_stat_arch_elt \ 354 bfd_generic_stat_arch_elt 355 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true 356 357 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style 358 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */ 359 360 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap 361 #define _bfd_archive_bsd44_slurp_extended_name_table \ 362 _bfd_slurp_extended_name_table 363 extern bool _bfd_archive_bsd44_construct_extended_name_table 364 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 365 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname 366 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap 367 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr 368 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr 369 #define _bfd_archive_bsd44_openr_next_archived_file \ 370 bfd_generic_openr_next_archived_file 371 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index 372 #define _bfd_archive_bsd44_generic_stat_arch_elt \ 373 bfd_generic_stat_arch_elt 374 #define _bfd_archive_bsd44_update_armap_timestamp \ 375 _bfd_archive_bsd_update_armap_timestamp 376 377 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style 378 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them 379 are irrelevant. */ 380 381 extern bool _bfd_vms_lib_write_archive_contents 382 (bfd *) ATTRIBUTE_HIDDEN; 383 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap 384 #define _bfd_vms_lib_slurp_extended_name_table \ 385 _bfd_noarchive_slurp_extended_name_table 386 #define _bfd_vms_lib_construct_extended_name_table \ 387 _bfd_noarchive_construct_extended_name_table 388 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname 389 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap 390 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr 391 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr 392 extern bfd *_bfd_vms_lib_openr_next_archived_file 393 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 394 extern bfd *_bfd_vms_lib_get_elt_at_index 395 (bfd *, symindex) ATTRIBUTE_HIDDEN; 396 extern int _bfd_vms_lib_generic_stat_arch_elt 397 (bfd *, struct stat *) ATTRIBUTE_HIDDEN; 398 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true 399 400 /* Extra routines for VMS style archives. */ 401 402 extern symindex _bfd_vms_lib_find_symbol 403 (bfd *, const char *) ATTRIBUTE_HIDDEN; 404 extern bfd *_bfd_vms_lib_get_imagelib_file 405 (bfd *) ATTRIBUTE_HIDDEN; 406 extern bfd_cleanup _bfd_vms_lib_alpha_archive_p 407 (bfd *) ATTRIBUTE_HIDDEN; 408 extern bfd_cleanup _bfd_vms_lib_ia64_archive_p 409 (bfd *) ATTRIBUTE_HIDDEN; 410 extern bool _bfd_vms_lib_alpha_mkarchive 411 (bfd *) ATTRIBUTE_HIDDEN; 412 extern bool _bfd_vms_lib_ia64_mkarchive 413 (bfd *) ATTRIBUTE_HIDDEN; 414 415 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 416 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 417 418 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error 419 extern long _bfd_nosymbols_canonicalize_symtab 420 (bfd *, asymbol **) ATTRIBUTE_HIDDEN; 421 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 422 extern void _bfd_nosymbols_print_symbol 423 (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN; 424 extern void _bfd_nosymbols_get_symbol_info 425 (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN; 426 extern const char * _bfd_nosymbols_get_symbol_version_string 427 (bfd *, asymbol *, bool, bool *) ATTRIBUTE_HIDDEN; 428 extern bool _bfd_nosymbols_bfd_is_local_label_name 429 (bfd *, const char *) ATTRIBUTE_HIDDEN; 430 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false 431 extern alent *_bfd_nosymbols_get_lineno 432 (bfd *, asymbol *) ATTRIBUTE_HIDDEN; 433 extern bool _bfd_nosymbols_find_nearest_line 434 (bfd *, asymbol **, asection *, bfd_vma, 435 const char **, const char **, unsigned int *, unsigned int *) 436 ATTRIBUTE_HIDDEN; 437 extern bool _bfd_nosymbols_find_nearest_line_with_alt 438 (bfd *, const char *, asymbol **, asection *, bfd_vma, 439 const char **, const char **, unsigned int *, unsigned int *) 440 ATTRIBUTE_HIDDEN; 441 extern bool _bfd_nosymbols_find_line 442 (bfd *, asymbol **, asymbol *, const char **, unsigned int *) 443 ATTRIBUTE_HIDDEN; 444 extern bool _bfd_nosymbols_find_inliner_info 445 (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 446 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol 447 (bfd *) ATTRIBUTE_HIDDEN; 448 extern long _bfd_nosymbols_read_minisymbols 449 (bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN; 450 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol 451 (bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN; 452 453 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 454 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 455 456 extern long _bfd_norelocs_get_reloc_upper_bound 457 (bfd *, asection *) ATTRIBUTE_HIDDEN; 458 extern long _bfd_norelocs_canonicalize_reloc 459 (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN; 460 extern void _bfd_norelocs_set_reloc 461 (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN; 462 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup 463 (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN; 464 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup 465 (bfd *, const char *) ATTRIBUTE_HIDDEN; 466 467 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 468 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 469 470 extern bool _bfd_nowrite_set_arch_mach 471 (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN; 472 extern bool _bfd_nowrite_set_section_contents 473 (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 474 475 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 476 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 477 478 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 479 extern bool _bfd_generic_set_section_contents 480 (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 481 482 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 483 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 484 485 extern int _bfd_nolink_sizeof_headers 486 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 487 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents 488 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 489 bfd_byte *, bool, asymbol **) ATTRIBUTE_HIDDEN; 490 extern bool _bfd_nolink_bfd_relax_section 491 (bfd *, asection *, struct bfd_link_info *, bool *) ATTRIBUTE_HIDDEN; 492 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error 493 extern bool _bfd_nolink_bfd_lookup_section_flags 494 (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN; 495 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error 496 extern bool _bfd_nolink_bfd_is_group_section 497 (bfd *, const asection *) ATTRIBUTE_HIDDEN; 498 extern const char *_bfd_nolink_bfd_group_name 499 (bfd *, const asection *) ATTRIBUTE_HIDDEN; 500 extern bool _bfd_nolink_bfd_discard_group 501 (bfd *, asection *) ATTRIBUTE_HIDDEN; 502 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create 503 (bfd *) ATTRIBUTE_HIDDEN; 504 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error 505 extern void _bfd_nolink_bfd_link_just_syms 506 (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 507 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type 508 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *) 509 ATTRIBUTE_HIDDEN; 510 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error 511 extern bool _bfd_nolink_bfd_link_split_section 512 (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN; 513 extern bool _bfd_nolink_section_already_linked 514 (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 515 extern bool _bfd_nolink_bfd_define_common_symbol 516 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *) 517 ATTRIBUTE_HIDDEN; 518 #define _bfd_nolink_bfd_link_hide_symbol \ 519 _bfd_generic_link_hide_symbol 520 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop 521 (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN; 522 #define _bfd_nolink_bfd_link_check_relocs \ 523 _bfd_generic_link_check_relocs 524 525 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 526 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 527 (_bfd_nodynamic). */ 528 529 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error 530 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 531 _bfd_nosymbols_canonicalize_symtab 532 extern long _bfd_nodynamic_get_synthetic_symtab 533 (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN; 534 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error 535 extern long _bfd_nodynamic_canonicalize_dynamic_reloc 536 (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN; 537 538 /* Generic routine to determine of the given symbol is a local 539 label. */ 540 extern bool bfd_generic_is_local_label_name 541 (bfd *, const char *) ATTRIBUTE_HIDDEN; 542 543 /* Generic minisymbol routines. */ 544 extern long _bfd_generic_read_minisymbols 545 (bfd *, bool, void **, unsigned int *) ATTRIBUTE_HIDDEN; 546 extern asymbol *_bfd_generic_minisymbol_to_symbol 547 (bfd *, bool, const void *, asymbol *) ATTRIBUTE_HIDDEN; 548 549 /* Find the nearest line using .stab/.stabstr sections. */ 550 extern bool _bfd_stab_section_find_nearest_line 551 (bfd *, asymbol **, asection *, bfd_vma, bool *, 552 const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN; 553 554 /* Find the nearest line using DWARF 1 debugging information. */ 555 extern bool _bfd_dwarf1_find_nearest_line 556 (bfd *, asymbol **, asection *, bfd_vma, 557 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 558 559 /* Clean up the data used to handle DWARF 1 debugging information. */ 560 extern void _bfd_dwarf1_cleanup_debug_info 561 (bfd *, void **) ATTRIBUTE_HIDDEN; 562 563 struct dwarf_debug_section 564 { 565 const char * uncompressed_name; 566 const char * compressed_name; 567 }; 568 569 /* Map of uncompressed DWARF debug section name to compressed one. It 570 is terminated by NULL uncompressed_name. */ 571 572 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN; 573 574 /* Find the nearest line using DWARF 2 debugging information. */ 575 extern int _bfd_dwarf2_find_nearest_line 576 (bfd *, asymbol **, asymbol *, asection *, bfd_vma, 577 const char **, const char **, unsigned int *, unsigned int *, 578 const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN; 579 580 /* Find the nearest line using DWARF 2 debugging information, with 581 the option of specifying a .gnu_debugaltlink file. */ 582 extern int _bfd_dwarf2_find_nearest_line_with_alt 583 (bfd *, const char *, asymbol **, asymbol *, asection *, bfd_vma, 584 const char **, const char **, unsigned int *, unsigned int *, 585 const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN; 586 587 /* Find the bias between DWARF addresses and real addresses. */ 588 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias 589 (asymbol **, void **) ATTRIBUTE_HIDDEN; 590 591 /* Find inliner info after calling bfd_find_nearest_line. */ 592 extern bool _bfd_dwarf2_find_inliner_info 593 (bfd *, const char **, const char **, unsigned int *, void **) 594 ATTRIBUTE_HIDDEN; 595 596 /* Read DWARF 2 debugging information. */ 597 extern bool _bfd_dwarf2_slurp_debug_info 598 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **, 599 bool) ATTRIBUTE_HIDDEN; 600 601 /* Clean up the data used to handle DWARF 2 debugging information. */ 602 extern void _bfd_dwarf2_cleanup_debug_info 603 (bfd *, void **) ATTRIBUTE_HIDDEN; 604 605 extern void _bfd_stab_cleanup 606 (bfd *, void **) ATTRIBUTE_HIDDEN; 607 608 /* Create a new section entry. */ 609 extern struct bfd_hash_entry *bfd_section_hash_newfunc 610 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *) 611 ATTRIBUTE_HIDDEN; 612 613 /* A routine to create entries for a bfd_link_hash_table. */ 614 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 615 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 616 const char *string) ATTRIBUTE_HIDDEN; 617 618 /* Initialize a bfd_link_hash_table. */ 619 extern bool _bfd_link_hash_table_init 620 (struct bfd_link_hash_table *, bfd *, 621 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 622 struct bfd_hash_table *, 623 const char *), 624 unsigned int) ATTRIBUTE_HIDDEN; 625 626 /* Generic link hash table creation routine. */ 627 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 628 (bfd *) ATTRIBUTE_HIDDEN; 629 630 /* Generic link hash table destruction routine. */ 631 extern void _bfd_generic_link_hash_table_free 632 (bfd *) ATTRIBUTE_HIDDEN; 633 634 /* Generic add symbol routine. */ 635 extern bool _bfd_generic_link_add_symbols 636 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 637 638 /* Generic archive add symbol routine. */ 639 extern bool _bfd_generic_link_add_archive_symbols 640 (bfd *, struct bfd_link_info *, 641 bool (*) (bfd *, struct bfd_link_info *, 642 struct bfd_link_hash_entry *, const char *, 643 bool *)) ATTRIBUTE_HIDDEN; 644 645 /* Forward declaration to avoid prototype errors. */ 646 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 647 648 /* Generic routine to add a single symbol. */ 649 extern bool _bfd_generic_link_add_one_symbol 650 (struct bfd_link_info *, bfd *, const char *name, flagword, 651 asection *, bfd_vma, const char *, bool copy, 652 bool constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN; 653 654 /* Generic routine to mark section as supplying symbols only. */ 655 extern void _bfd_generic_link_just_syms 656 (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 657 658 /* Generic routine that does nothing. */ 659 extern void _bfd_generic_copy_link_hash_symbol_type 660 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *) 661 ATTRIBUTE_HIDDEN; 662 663 /* Generic link routine. */ 664 extern bool _bfd_generic_final_link 665 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 666 667 extern bool _bfd_generic_link_split_section 668 (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN; 669 670 extern bool _bfd_generic_section_already_linked 671 (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 672 673 /* Generic reloc_link_order processing routine. */ 674 extern bool _bfd_generic_reloc_link_order 675 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *) 676 ATTRIBUTE_HIDDEN; 677 678 /* Default link order processing routine. */ 679 extern bool _bfd_default_link_order 680 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *) 681 ATTRIBUTE_HIDDEN; 682 683 /* Count the number of reloc entries in a link order list. */ 684 extern unsigned int _bfd_count_link_order_relocs 685 (struct bfd_link_order *) ATTRIBUTE_HIDDEN; 686 687 /* Final link relocation routine. */ 688 extern bfd_reloc_status_type _bfd_final_link_relocate 689 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 690 bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN; 691 692 /* Relocate a particular location by a howto and a value. */ 693 extern bfd_reloc_status_type _bfd_relocate_contents 694 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN; 695 696 /* Clear a given location using a given howto. */ 697 extern bfd_reloc_status_type _bfd_clear_contents 698 (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; 699 700 /* Register a SEC_MERGE section as a candidate for merging. */ 701 702 extern bool _bfd_add_merge_section 703 (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN; 704 705 /* Attempt to merge SEC_MERGE sections. */ 706 707 extern bool _bfd_merge_sections 708 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)) 709 ATTRIBUTE_HIDDEN; 710 711 /* Write out a merged section. */ 712 713 extern bool _bfd_write_merged_section 714 (bfd *, asection *, void *) ATTRIBUTE_HIDDEN; 715 716 /* Find an offset within a modified SEC_MERGE section. */ 717 718 extern bfd_vma _bfd_merged_section_offset 719 (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN; 720 721 /* Tidy up when done. */ 722 723 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN; 724 725 /* Macros to tell if bfds are read or write enabled. 726 727 Note that bfds open for read may be scribbled into if the fd passed 728 to bfd_fdopenr is actually open both for read and write 729 simultaneously. However an output bfd will never be open for 730 read. Therefore sometimes you want to check bfd_read_p or 731 !bfd_read_p, and only sometimes bfd_write_p. 732 */ 733 734 #define bfd_read_p(abfd) \ 735 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 736 #define bfd_write_p(abfd) \ 737 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 738 739 extern void bfd_assert 740 (const char*,int) ATTRIBUTE_HIDDEN; 741 742 #define BFD_ASSERT(x) \ 743 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 744 745 #define BFD_FAIL() \ 746 do { bfd_assert(__FILE__,__LINE__); } while (0) 747 748 extern void _bfd_abort 749 (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN; 750 751 /* if gcc >= 2.6, we can give a function name, too */ 752 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 753 #define __PRETTY_FUNCTION__ ((char *) NULL) 754 #endif 755 756 #undef abort 757 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 758 759 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 760 the system "off_t" or "off64_t", as the offset. */ 761 extern file_ptr _bfd_real_ftell 762 (FILE *) ATTRIBUTE_HIDDEN; 763 extern int _bfd_real_fseek 764 (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN; 765 extern FILE *_bfd_real_fopen 766 (const char *, const char *) ATTRIBUTE_HIDDEN; 767 768 /* List of supported target vectors, and the default vector (if 769 bfd_default_vector[0] is NULL, there is no default). */ 770 extern const bfd_target *const *const bfd_target_vector ATTRIBUTE_HIDDEN; 771 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN; 772 773 /* List of associated target vectors. */ 774 extern const bfd_target *const *const bfd_associated_vector ATTRIBUTE_HIDDEN; 775 776 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 777 other common header files. */ 778 779 struct ecoff_debug_info; 780 struct ecoff_debug_swap; 781 struct ecoff_extr; 782 struct ecoff_find_line; 783 784 extern void _bfd_ecoff_free_ecoff_debug_info 785 (struct ecoff_debug_info *debug); 786 extern bool _bfd_ecoff_locate_line 787 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 788 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 789 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 790 extern bool _bfd_ecoff_get_accumulated_pdr 791 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 792 extern bool _bfd_ecoff_get_accumulated_sym 793 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 794 extern bool _bfd_ecoff_get_accumulated_ss 795 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 796 797 extern bfd_vma _bfd_get_gp_value 798 (bfd *) ATTRIBUTE_HIDDEN; 799 extern void _bfd_set_gp_value 800 (bfd *, bfd_vma) ATTRIBUTE_HIDDEN; 801 802 /* Function shared by the COFF and ELF SH backends, which have no 803 other common header files. */ 804 805 #ifndef _bfd_sh_align_load_span 806 extern bool _bfd_sh_align_load_span 807 (bfd *, asection *, bfd_byte *, 808 bool (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 809 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bool *) ATTRIBUTE_HIDDEN; 810 #endif 811 812 /* This is the shape of the elements inside the already_linked hash 813 table. It maps a name onto a list of already_linked elements with 814 the same name. */ 815 816 struct bfd_section_already_linked_hash_entry 817 { 818 struct bfd_hash_entry root; 819 struct bfd_section_already_linked *entry; 820 }; 821 822 struct bfd_section_already_linked 823 { 824 struct bfd_section_already_linked *next; 825 asection *sec; 826 }; 827 828 extern struct bfd_section_already_linked_hash_entry * 829 bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN; 830 extern bool bfd_section_already_linked_table_insert 831 (struct bfd_section_already_linked_hash_entry *, asection *) 832 ATTRIBUTE_HIDDEN; 833 extern void bfd_section_already_linked_table_traverse 834 (bool (*) (struct bfd_section_already_linked_hash_entry *, 835 void *), void *) ATTRIBUTE_HIDDEN; 836 837 extern bfd_vma _bfd_read_unsigned_leb128 838 (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN; 839 extern bfd_signed_vma _bfd_read_signed_leb128 840 (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN; 841 extern bfd_vma _bfd_safe_read_leb128 842 (bfd *, bfd_byte **, bool, const bfd_byte * const) ATTRIBUTE_HIDDEN; 843 extern bfd_byte * _bfd_write_unsigned_leb128 844 (bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; 845 846 extern struct bfd_link_info *_bfd_get_link_info (bfd *) 847 ATTRIBUTE_HIDDEN; 848 849 #ifdef HAVE_MMAP 850 extern uintptr_t _bfd_pagesize ATTRIBUTE_HIDDEN; 851 extern uintptr_t _bfd_pagesize_m1 ATTRIBUTE_HIDDEN; 852 extern uintptr_t _bfd_minimum_mmap_size ATTRIBUTE_HIDDEN; 853 #endif 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 #ifdef USE_MMAP 893 extern void *_bfd_mmap_readonly_persistent 894 (bfd *, size_t) ATTRIBUTE_HIDDEN; 895 extern void *_bfd_mmap_readonly_temporary 896 (bfd *, size_t, void **, size_t *) ATTRIBUTE_HIDDEN; 897 extern void _bfd_munmap_readonly_temporary 898 (void *, size_t) ATTRIBUTE_HIDDEN; 899 #else 900 #define _bfd_mmap_readonly_persistent(abfd, rsize) \ 901 _bfd_alloc_and_read (abfd, rsize, rsize) 902 #define _bfd_munmap_readonly_temporary(ptr, rsize) free (ptr) 903 #endif 904 905 extern bool _bfd_mmap_read_temporary 906 (void **, size_t *, void **, bfd *, bool) ATTRIBUTE_HIDDEN; 907 908 static inline void * 909 _bfd_malloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize) 910 { 911 void *mem; 912 if (!_bfd_constant_p (rsize)) 913 { 914 ufile_ptr filesize = bfd_get_file_size (abfd); 915 if (filesize != 0 && rsize > filesize) 916 { 917 bfd_set_error (bfd_error_file_truncated); 918 return NULL; 919 } 920 } 921 mem = bfd_malloc (asize); 922 if (mem != NULL) 923 { 924 if (bfd_read (mem, rsize, abfd) == rsize) 925 return mem; 926 free (mem); 927 } 928 return NULL; 929 } 930 931 #ifndef USE_MMAP 932 static inline void * 933 _bfd_mmap_readonly_temporary (bfd *abfd, size_t rsize, void **map_addr, 934 size_t *map_size) 935 { 936 void *mem = _bfd_malloc_and_read (abfd, rsize, rsize); 937 *map_addr = mem; 938 *map_size = rsize; 939 return mem; 940 } 941 #endif 942