libbfd-in.h revision 1.9
1 /* libbfd.h -- Declarations used by bfd library *implementation*. 2 (This include file is not for users of the library.) 3 4 Copyright (C) 1990-2020 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 /* If you want to read and write large blocks, you might want to do it 43 in quanta of this amount */ 44 #define DEFAULT_BUFFERSIZE 8192 45 46 /* Set a tdata field. Can't use the other macros for this, since they 47 do casts, and casting to the left of assignment isn't portable. */ 48 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 49 50 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 51 to an instance of this structure. */ 52 53 struct bfd_in_memory 54 { 55 /* Size of buffer. */ 56 bfd_size_type size; 57 /* Buffer holding contents of BFD. */ 58 bfd_byte *buffer; 59 }; 60 61 struct section_hash_entry 62 { 63 struct bfd_hash_entry root; 64 asection section; 65 }; 66 67 /* Unique section id. */ 68 extern unsigned int _bfd_section_id ATTRIBUTE_HIDDEN; 69 70 /* tdata for an archive. For an input archive, cache 71 needs to be free()'d. For an output archive, symdefs do. */ 72 73 struct artdata 74 { 75 file_ptr first_file_filepos; 76 /* Speed up searching the armap */ 77 htab_t cache; 78 bfd *archive_head; /* Only interesting in output routines. */ 79 carsym *symdefs; /* The symdef entries. */ 80 symindex symdef_count; /* How many there are. */ 81 char *extended_names; /* Clever intel extension. */ 82 bfd_size_type extended_names_size; /* Size of extended names. */ 83 /* When more compilers are standard C, this can be a time_t. */ 84 long armap_timestamp; /* Timestamp value written into armap. 85 This is used for BSD archives to check 86 that the timestamp is recent enough 87 for the BSD linker to not complain, 88 just before we finish writing an 89 archive. */ 90 file_ptr armap_datepos; /* Position within archive to seek to 91 rewrite the date field. */ 92 void *tdata; /* Backend specific information. */ 93 }; 94 95 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 96 97 /* Goes in bfd's arelt_data slot */ 98 struct areltdata 99 { 100 char * arch_header; /* It's actually a string. */ 101 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */ 102 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */ 103 char *filename; /* Null-terminated. */ 104 file_ptr origin; /* For element of a thin archive. */ 105 void *parent_cache; /* Where and how to find this member. */ 106 file_ptr key; 107 }; 108 109 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 110 111 extern void *bfd_malloc 112 (bfd_size_type) ATTRIBUTE_HIDDEN; 113 extern void *bfd_realloc 114 (void *, bfd_size_type) ATTRIBUTE_HIDDEN; 115 extern void *bfd_realloc_or_free 116 (void *, bfd_size_type) ATTRIBUTE_HIDDEN; 117 extern void *bfd_zmalloc 118 (bfd_size_type) ATTRIBUTE_HIDDEN; 119 120 static inline char * 121 bfd_strdup (const char *str) 122 { 123 size_t len = strlen (str) + 1; 124 char *buf = bfd_malloc (len); 125 if (buf != NULL) 126 memcpy (buf, str, len); 127 return buf; 128 } 129 /* These routines allocate and free things on the BFD's objalloc. */ 130 131 extern void bfd_release 132 (bfd *, void *) ATTRIBUTE_HIDDEN; 133 134 extern bfd * _bfd_create_empty_archive_element_shell 135 (bfd *) ATTRIBUTE_HIDDEN; 136 extern bfd * _bfd_look_for_bfd_in_cache 137 (bfd *, file_ptr) ATTRIBUTE_HIDDEN; 138 extern bfd_boolean _bfd_add_bfd_to_archive_cache 139 (bfd *, file_ptr, bfd *) ATTRIBUTE_HIDDEN; 140 extern bfd_boolean _bfd_generic_mkarchive 141 (bfd *) ATTRIBUTE_HIDDEN; 142 extern char *_bfd_append_relative_path 143 (bfd *, char *) ATTRIBUTE_HIDDEN; 144 extern bfd_cleanup bfd_generic_archive_p 145 (bfd *) ATTRIBUTE_HIDDEN; 146 extern bfd_boolean bfd_slurp_armap 147 (bfd *) ATTRIBUTE_HIDDEN; 148 #define bfd_slurp_bsd_armap bfd_slurp_armap 149 #define bfd_slurp_coff_armap bfd_slurp_armap 150 extern bfd_boolean _bfd_archive_64_bit_slurp_armap 151 (bfd *) ATTRIBUTE_HIDDEN; 152 extern bfd_boolean _bfd_archive_64_bit_write_armap 153 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 154 #define _bfd_archive_64_bit_slurp_extended_name_table \ 155 _bfd_slurp_extended_name_table 156 #define _bfd_archive_64_bit_construct_extended_name_table \ 157 _bfd_archive_coff_construct_extended_name_table 158 #define _bfd_archive_64_bit_truncate_arname \ 159 bfd_dont_truncate_arname 160 #define _bfd_archive_64_bit_read_ar_hdr \ 161 _bfd_generic_read_ar_hdr 162 #define _bfd_archive_64_bit_write_ar_hdr \ 163 _bfd_generic_write_ar_hdr 164 #define _bfd_archive_64_bit_openr_next_archived_file \ 165 bfd_generic_openr_next_archived_file 166 #define _bfd_archive_64_bit_get_elt_at_index \ 167 _bfd_generic_get_elt_at_index 168 #define _bfd_archive_64_bit_generic_stat_arch_elt \ 169 bfd_generic_stat_arch_elt 170 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true 171 172 extern bfd_boolean _bfd_slurp_extended_name_table 173 (bfd *) ATTRIBUTE_HIDDEN; 174 extern bfd_boolean _bfd_construct_extended_name_table 175 (bfd *, bfd_boolean, char **, bfd_size_type *) ATTRIBUTE_HIDDEN; 176 extern bfd_boolean _bfd_write_archive_contents 177 (bfd *) ATTRIBUTE_HIDDEN; 178 extern bfd_boolean _bfd_compute_and_write_armap 179 (bfd *, unsigned int) ATTRIBUTE_HIDDEN; 180 extern bfd *_bfd_get_elt_at_filepos 181 (bfd *, file_ptr) ATTRIBUTE_HIDDEN; 182 extern bfd *_bfd_generic_get_elt_at_index 183 (bfd *, symindex) ATTRIBUTE_HIDDEN; 184 extern bfd * _bfd_new_bfd 185 (void) ATTRIBUTE_HIDDEN; 186 extern bfd_boolean _bfd_free_cached_info 187 (bfd *) ATTRIBUTE_HIDDEN; 188 189 extern bfd_boolean _bfd_bool_bfd_false 190 (bfd *) ATTRIBUTE_HIDDEN; 191 extern bfd_boolean _bfd_bool_bfd_asymbol_false 192 (bfd *, asymbol *) ATTRIBUTE_HIDDEN; 193 extern bfd_boolean _bfd_bool_bfd_false_error 194 (bfd *) ATTRIBUTE_HIDDEN; 195 extern bfd_boolean _bfd_bool_bfd_link_false_error 196 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 197 extern bfd_boolean _bfd_bool_bfd_true 198 (bfd *) ATTRIBUTE_HIDDEN; 199 extern bfd_boolean _bfd_bool_bfd_link_true 200 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 201 extern bfd_boolean _bfd_bool_bfd_bfd_true 202 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 203 extern bfd_boolean _bfd_bool_bfd_uint_true 204 (bfd *, unsigned int) ATTRIBUTE_HIDDEN; 205 extern bfd_boolean _bfd_bool_bfd_asection_bfd_asection_true 206 (bfd *, asection *, bfd *, asection *) ATTRIBUTE_HIDDEN; 207 extern bfd_boolean _bfd_bool_bfd_asymbol_bfd_asymbol_true 208 (bfd *, asymbol *, bfd *, asymbol *) ATTRIBUTE_HIDDEN; 209 extern bfd_boolean _bfd_bool_bfd_ptr_true 210 (bfd *, void *) ATTRIBUTE_HIDDEN; 211 extern void *_bfd_ptr_bfd_null_error 212 (bfd *) ATTRIBUTE_HIDDEN; 213 extern int _bfd_int_bfd_0 214 (bfd *) ATTRIBUTE_HIDDEN; 215 extern unsigned int _bfd_uint_bfd_0 216 (bfd *) ATTRIBUTE_HIDDEN; 217 extern long _bfd_long_bfd_0 218 (bfd *) ATTRIBUTE_HIDDEN; 219 extern long _bfd_long_bfd_n1_error 220 (bfd *) ATTRIBUTE_HIDDEN; 221 extern void _bfd_void_bfd 222 (bfd *) ATTRIBUTE_HIDDEN; 223 extern void _bfd_void_bfd_link 224 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 225 extern void _bfd_void_bfd_asection 226 (bfd *, asection *) ATTRIBUTE_HIDDEN; 227 228 extern bfd *_bfd_new_bfd_contained_in 229 (bfd *) ATTRIBUTE_HIDDEN; 230 extern bfd_cleanup _bfd_dummy_target 231 (bfd *) ATTRIBUTE_HIDDEN; 232 #define _bfd_no_cleanup _bfd_void_bfd 233 234 extern void bfd_dont_truncate_arname 235 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 236 extern void bfd_bsd_truncate_arname 237 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 238 extern void bfd_gnu_truncate_arname 239 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 240 241 extern bfd_boolean _bfd_bsd_write_armap 242 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 243 244 extern bfd_boolean _bfd_coff_write_armap 245 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 246 247 extern void *_bfd_generic_read_ar_hdr 248 (bfd *) ATTRIBUTE_HIDDEN; 249 extern void _bfd_ar_spacepad 250 (char *, size_t, const char *, long) ATTRIBUTE_HIDDEN; 251 extern bfd_boolean _bfd_ar_sizepad 252 (char *, size_t, bfd_size_type) ATTRIBUTE_HIDDEN; 253 254 extern void *_bfd_generic_read_ar_hdr_mag 255 (bfd *, const char *) ATTRIBUTE_HIDDEN; 256 257 extern bfd_boolean _bfd_generic_write_ar_hdr 258 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 259 260 extern bfd_boolean _bfd_bsd44_write_ar_hdr 261 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 262 263 extern bfd * bfd_generic_openr_next_archived_file 264 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 265 266 extern int bfd_generic_stat_arch_elt 267 (bfd *, struct stat *) ATTRIBUTE_HIDDEN; 268 269 #define _bfd_read_ar_hdr(abfd) \ 270 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 271 #define _bfd_write_ar_hdr(archive, abfd) \ 272 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd)) 273 274 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 276 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 277 278 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup 279 extern bfd_boolean _bfd_archive_close_and_cleanup 280 (bfd *) ATTRIBUTE_HIDDEN; 281 extern void _bfd_unlink_from_archive_parent (bfd *) ATTRIBUTE_HIDDEN; 282 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true 283 extern bfd_boolean _bfd_generic_new_section_hook 284 (bfd *, asection *) ATTRIBUTE_HIDDEN; 285 extern bfd_boolean _bfd_generic_get_section_contents 286 (bfd *, asection *, void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 287 extern bfd_boolean _bfd_generic_get_section_contents_in_window 288 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 289 290 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 291 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 292 293 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true 294 #define _bfd_generic_bfd_merge_private_bfd_data \ 295 _bfd_bool_bfd_link_true 296 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true 297 #define _bfd_generic_bfd_copy_private_section_data \ 298 _bfd_bool_bfd_asection_bfd_asection_true 299 #define _bfd_generic_bfd_copy_private_symbol_data \ 300 _bfd_bool_bfd_asymbol_bfd_asymbol_true 301 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true 302 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true 303 304 extern bfd_boolean _bfd_generic_init_private_section_data 305 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *) 306 ATTRIBUTE_HIDDEN; 307 308 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 309 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 310 311 extern char *_bfd_nocore_core_file_failing_command 312 (bfd *) ATTRIBUTE_HIDDEN; 313 extern int _bfd_nocore_core_file_failing_signal 314 (bfd *) ATTRIBUTE_HIDDEN; 315 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p 316 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 317 extern int _bfd_nocore_core_file_pid 318 (bfd *) ATTRIBUTE_HIDDEN; 319 320 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 321 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 322 323 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error 324 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error 325 extern bfd_boolean _bfd_noarchive_construct_extended_name_table 326 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 327 extern void _bfd_noarchive_truncate_arname 328 (bfd *, const char *, char *) ATTRIBUTE_HIDDEN; 329 extern bfd_boolean _bfd_noarchive_write_armap 330 (bfd *, unsigned int, struct orl *, unsigned int, int) ATTRIBUTE_HIDDEN; 331 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error 332 extern bfd_boolean _bfd_noarchive_write_ar_hdr 333 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 334 extern bfd * 335 _bfd_noarchive_openr_next_archived_file 336 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 337 extern bfd * _bfd_noarchive_get_elt_at_index 338 (bfd *, symindex) ATTRIBUTE_HIDDEN; 339 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 340 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error 341 342 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 343 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 344 345 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 346 #define _bfd_archive_bsd_slurp_extended_name_table \ 347 _bfd_slurp_extended_name_table 348 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table 349 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 350 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 351 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap 352 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 353 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr 354 #define _bfd_archive_bsd_openr_next_archived_file \ 355 bfd_generic_openr_next_archived_file 356 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 357 #define _bfd_archive_bsd_generic_stat_arch_elt \ 358 bfd_generic_stat_arch_elt 359 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp 360 (bfd *) ATTRIBUTE_HIDDEN; 361 362 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 363 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 364 365 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 366 #define _bfd_archive_coff_slurp_extended_name_table \ 367 _bfd_slurp_extended_name_table 368 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table 369 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 370 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 371 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap 372 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 373 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr 374 #define _bfd_archive_coff_openr_next_archived_file \ 375 bfd_generic_openr_next_archived_file 376 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 377 #define _bfd_archive_coff_generic_stat_arch_elt \ 378 bfd_generic_stat_arch_elt 379 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true 380 381 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style 382 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */ 383 384 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap 385 #define _bfd_archive_bsd44_slurp_extended_name_table \ 386 _bfd_slurp_extended_name_table 387 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table 388 (bfd *, char **, bfd_size_type *, const char **) ATTRIBUTE_HIDDEN; 389 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname 390 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap 391 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr 392 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr 393 #define _bfd_archive_bsd44_openr_next_archived_file \ 394 bfd_generic_openr_next_archived_file 395 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index 396 #define _bfd_archive_bsd44_generic_stat_arch_elt \ 397 bfd_generic_stat_arch_elt 398 #define _bfd_archive_bsd44_update_armap_timestamp \ 399 _bfd_archive_bsd_update_armap_timestamp 400 401 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style 402 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them 403 are irrelevant. */ 404 405 extern bfd_boolean _bfd_vms_lib_write_archive_contents 406 (bfd *) ATTRIBUTE_HIDDEN; 407 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap 408 #define _bfd_vms_lib_slurp_extended_name_table \ 409 _bfd_noarchive_slurp_extended_name_table 410 #define _bfd_vms_lib_construct_extended_name_table \ 411 _bfd_noarchive_construct_extended_name_table 412 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname 413 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap 414 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr 415 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr 416 extern bfd *_bfd_vms_lib_openr_next_archived_file 417 (bfd *, bfd *) ATTRIBUTE_HIDDEN; 418 extern bfd *_bfd_vms_lib_get_elt_at_index 419 (bfd *, symindex) ATTRIBUTE_HIDDEN; 420 extern int _bfd_vms_lib_generic_stat_arch_elt 421 (bfd *, struct stat *) ATTRIBUTE_HIDDEN; 422 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true 423 424 /* Extra routines for VMS style archives. */ 425 426 extern symindex _bfd_vms_lib_find_symbol 427 (bfd *, const char *) ATTRIBUTE_HIDDEN; 428 extern bfd *_bfd_vms_lib_get_imagelib_file 429 (bfd *) ATTRIBUTE_HIDDEN; 430 extern bfd_cleanup _bfd_vms_lib_alpha_archive_p 431 (bfd *) ATTRIBUTE_HIDDEN; 432 extern bfd_cleanup _bfd_vms_lib_ia64_archive_p 433 (bfd *) ATTRIBUTE_HIDDEN; 434 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive 435 (bfd *) ATTRIBUTE_HIDDEN; 436 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive 437 (bfd *) ATTRIBUTE_HIDDEN; 438 439 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 440 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 441 442 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error 443 extern long _bfd_nosymbols_canonicalize_symtab 444 (bfd *, asymbol **) ATTRIBUTE_HIDDEN; 445 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 446 extern void _bfd_nosymbols_print_symbol 447 (bfd *, void *, asymbol *, bfd_print_symbol_type) ATTRIBUTE_HIDDEN; 448 extern void _bfd_nosymbols_get_symbol_info 449 (bfd *, asymbol *, symbol_info *) ATTRIBUTE_HIDDEN; 450 extern const char * _bfd_nosymbols_get_symbol_version_string 451 (bfd *, asymbol *, bfd_boolean, bfd_boolean *) ATTRIBUTE_HIDDEN; 452 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name 453 (bfd *, const char *) ATTRIBUTE_HIDDEN; 454 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false 455 extern alent *_bfd_nosymbols_get_lineno 456 (bfd *, asymbol *) ATTRIBUTE_HIDDEN; 457 extern bfd_boolean _bfd_nosymbols_find_nearest_line 458 (bfd *, asymbol **, asection *, bfd_vma, 459 const char **, const char **, unsigned int *, unsigned int *) 460 ATTRIBUTE_HIDDEN; 461 extern bfd_boolean _bfd_nosymbols_find_line 462 (bfd *, asymbol **, asymbol *, const char **, unsigned int *) 463 ATTRIBUTE_HIDDEN; 464 extern bfd_boolean _bfd_nosymbols_find_inliner_info 465 (bfd *, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 466 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol 467 (bfd *, void *, unsigned long) ATTRIBUTE_HIDDEN; 468 extern long _bfd_nosymbols_read_minisymbols 469 (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN; 470 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol 471 (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN; 472 473 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 474 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 475 476 extern long _bfd_norelocs_get_reloc_upper_bound 477 (bfd *, asection *) ATTRIBUTE_HIDDEN; 478 extern long _bfd_norelocs_canonicalize_reloc 479 (bfd *, asection *, arelent **, asymbol **) ATTRIBUTE_HIDDEN; 480 extern void _bfd_norelocs_set_reloc 481 (bfd *, asection *, arelent **, unsigned int) ATTRIBUTE_HIDDEN; 482 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup 483 (bfd *, bfd_reloc_code_real_type) ATTRIBUTE_HIDDEN; 484 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup 485 (bfd *, const char *) ATTRIBUTE_HIDDEN; 486 487 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 488 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 489 490 extern bfd_boolean _bfd_nowrite_set_arch_mach 491 (bfd *, enum bfd_architecture, unsigned long) ATTRIBUTE_HIDDEN; 492 extern bfd_boolean _bfd_nowrite_set_section_contents 493 (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 494 495 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 496 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 497 498 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 499 extern bfd_boolean _bfd_generic_set_section_contents 500 (bfd *, asection *, const void *, file_ptr, bfd_size_type) ATTRIBUTE_HIDDEN; 501 502 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 503 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 504 505 extern int _bfd_nolink_sizeof_headers 506 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 507 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents 508 (bfd *, struct bfd_link_info *, struct bfd_link_order *, 509 bfd_byte *, bfd_boolean, asymbol **) ATTRIBUTE_HIDDEN; 510 extern bfd_boolean _bfd_nolink_bfd_relax_section 511 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *) ATTRIBUTE_HIDDEN; 512 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error 513 extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags 514 (struct bfd_link_info *, struct flag_info *, asection *) ATTRIBUTE_HIDDEN; 515 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error 516 extern bfd_boolean _bfd_nolink_bfd_is_group_section 517 (bfd *, const asection *) ATTRIBUTE_HIDDEN; 518 extern const char *_bfd_nolink_bfd_group_name 519 (bfd *, const asection *) ATTRIBUTE_HIDDEN; 520 extern bfd_boolean _bfd_nolink_bfd_discard_group 521 (bfd *, asection *) ATTRIBUTE_HIDDEN; 522 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create 523 (bfd *) ATTRIBUTE_HIDDEN; 524 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error 525 extern void _bfd_nolink_bfd_link_just_syms 526 (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 527 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type 528 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *) 529 ATTRIBUTE_HIDDEN; 530 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error 531 extern bfd_boolean _bfd_nolink_bfd_link_split_section 532 (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN; 533 extern bfd_boolean _bfd_nolink_section_already_linked 534 (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 535 extern bfd_boolean _bfd_nolink_bfd_define_common_symbol 536 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *) 537 ATTRIBUTE_HIDDEN; 538 #define _bfd_nolink_bfd_link_hide_symbol \ 539 _bfd_generic_link_hide_symbol 540 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop 541 (struct bfd_link_info *, const char *, asection *) ATTRIBUTE_HIDDEN; 542 #define _bfd_nolink_bfd_link_check_relocs \ 543 _bfd_generic_link_check_relocs 544 545 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 546 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 547 (_bfd_nodynamic). */ 548 549 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error 550 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 551 _bfd_nosymbols_canonicalize_symtab 552 extern long _bfd_nodynamic_get_synthetic_symtab 553 (bfd *, long, asymbol **, long, asymbol **, asymbol **) ATTRIBUTE_HIDDEN; 554 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error 555 extern long _bfd_nodynamic_canonicalize_dynamic_reloc 556 (bfd *, arelent **, asymbol **) ATTRIBUTE_HIDDEN; 557 558 /* Generic routine to determine of the given symbol is a local 560 label. */ 561 extern bfd_boolean bfd_generic_is_local_label_name 562 (bfd *, const char *) ATTRIBUTE_HIDDEN; 563 564 /* Generic minisymbol routines. */ 565 extern long _bfd_generic_read_minisymbols 566 (bfd *, bfd_boolean, void **, unsigned int *) ATTRIBUTE_HIDDEN; 567 extern asymbol *_bfd_generic_minisymbol_to_symbol 568 (bfd *, bfd_boolean, const void *, asymbol *) ATTRIBUTE_HIDDEN; 569 570 /* Find the nearest line using .stab/.stabstr sections. */ 571 extern bfd_boolean _bfd_stab_section_find_nearest_line 572 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, 573 const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN; 574 575 /* Find the nearest line using DWARF 1 debugging information. */ 576 extern bfd_boolean _bfd_dwarf1_find_nearest_line 577 (bfd *, asymbol **, asection *, bfd_vma, 578 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 579 580 struct dwarf_debug_section 581 { 582 const char * uncompressed_name; 583 const char * compressed_name; 584 }; 585 586 /* Map of uncompressed DWARF debug section name to compressed one. It 587 is terminated by NULL uncompressed_name. */ 588 589 extern const struct dwarf_debug_section dwarf_debug_sections[] ATTRIBUTE_HIDDEN; 590 591 /* Find the nearest line using DWARF 2 debugging information. */ 592 extern int _bfd_dwarf2_find_nearest_line 593 (bfd *, asymbol **, asymbol *, asection *, bfd_vma, 594 const char **, const char **, unsigned int *, unsigned int *, 595 const struct dwarf_debug_section *, void **) ATTRIBUTE_HIDDEN; 596 597 /* Find the bias between DWARF addresses and real addresses. */ 598 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias 599 (asymbol **, void **) ATTRIBUTE_HIDDEN; 600 601 /* Find inliner info after calling bfd_find_nearest_line. */ 602 extern bfd_boolean _bfd_dwarf2_find_inliner_info 603 (bfd *, const char **, const char **, unsigned int *, void **) 604 ATTRIBUTE_HIDDEN; 605 606 /* Read DWARF 2 debugging information. */ 607 extern bfd_boolean _bfd_dwarf2_slurp_debug_info 608 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **, 609 bfd_boolean) ATTRIBUTE_HIDDEN; 610 611 /* Clean up the data used to handle DWARF 2 debugging information. */ 612 extern void _bfd_dwarf2_cleanup_debug_info 613 (bfd *, void **) ATTRIBUTE_HIDDEN; 614 615 /* Create a new section entry. */ 616 extern struct bfd_hash_entry *bfd_section_hash_newfunc 617 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *) 618 ATTRIBUTE_HIDDEN; 619 620 /* A routine to create entries for a bfd_link_hash_table. */ 621 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 622 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 623 const char *string) ATTRIBUTE_HIDDEN; 624 625 /* Initialize a bfd_link_hash_table. */ 626 extern bfd_boolean _bfd_link_hash_table_init 627 (struct bfd_link_hash_table *, bfd *, 628 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 629 struct bfd_hash_table *, 630 const char *), 631 unsigned int) ATTRIBUTE_HIDDEN; 632 633 /* Generic link hash table creation routine. */ 634 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 635 (bfd *) ATTRIBUTE_HIDDEN; 636 637 /* Generic link hash table destruction routine. */ 638 extern void _bfd_generic_link_hash_table_free 639 (bfd *) ATTRIBUTE_HIDDEN; 640 641 /* Generic add symbol routine. */ 642 extern bfd_boolean _bfd_generic_link_add_symbols 643 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 644 645 /* Generic archive add symbol routine. */ 646 extern bfd_boolean _bfd_generic_link_add_archive_symbols 647 (bfd *, struct bfd_link_info *, 648 bfd_boolean (*) (bfd *, struct bfd_link_info *, 649 struct bfd_link_hash_entry *, const char *, 650 bfd_boolean *)) ATTRIBUTE_HIDDEN; 651 652 /* Forward declaration to avoid prototype errors. */ 653 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 654 655 /* Generic routine to add a single symbol. */ 656 extern bfd_boolean _bfd_generic_link_add_one_symbol 657 (struct bfd_link_info *, bfd *, const char *name, flagword, 658 asection *, bfd_vma, const char *, bfd_boolean copy, 659 bfd_boolean constructor, struct bfd_link_hash_entry **) ATTRIBUTE_HIDDEN; 660 661 /* Generic routine to mark section as supplying symbols only. */ 662 extern void _bfd_generic_link_just_syms 663 (asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 664 665 /* Generic routine that does nothing. */ 666 extern void _bfd_generic_copy_link_hash_symbol_type 667 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *) 668 ATTRIBUTE_HIDDEN; 669 670 /* Generic link routine. */ 671 extern bfd_boolean _bfd_generic_final_link 672 (bfd *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 673 674 extern bfd_boolean _bfd_generic_link_split_section 675 (bfd *, struct bfd_section *) ATTRIBUTE_HIDDEN; 676 677 extern bfd_boolean _bfd_generic_section_already_linked 678 (bfd *, asection *, struct bfd_link_info *) ATTRIBUTE_HIDDEN; 679 680 /* Generic reloc_link_order processing routine. */ 681 extern bfd_boolean _bfd_generic_reloc_link_order 682 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *) 683 ATTRIBUTE_HIDDEN; 684 685 /* Default link order processing routine. */ 686 extern bfd_boolean _bfd_default_link_order 687 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *) 688 ATTRIBUTE_HIDDEN; 689 690 /* Count the number of reloc entries in a link order list. */ 691 extern unsigned int _bfd_count_link_order_relocs 692 (struct bfd_link_order *) ATTRIBUTE_HIDDEN; 693 694 /* Final link relocation routine. */ 695 extern bfd_reloc_status_type _bfd_final_link_relocate 696 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 697 bfd_vma, bfd_vma, bfd_vma) ATTRIBUTE_HIDDEN; 698 699 /* Relocate a particular location by a howto and a value. */ 700 extern bfd_reloc_status_type _bfd_relocate_contents 701 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *) ATTRIBUTE_HIDDEN; 702 703 /* Clear a given location using a given howto. */ 704 extern bfd_reloc_status_type _bfd_clear_contents 705 (reloc_howto_type *, bfd *, asection *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; 706 707 /* Link stabs in sections in the first pass. */ 708 709 extern bfd_boolean _bfd_link_section_stabs 710 (bfd *, struct stab_info *, asection *, asection *, void **, 711 bfd_size_type *) ATTRIBUTE_HIDDEN; 712 713 /* Eliminate stabs for discarded functions and symbols. */ 714 extern bfd_boolean _bfd_discard_section_stabs 715 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *) 716 ATTRIBUTE_HIDDEN; 717 718 /* Write out the .stab section when linking stabs in sections. */ 719 720 extern bfd_boolean _bfd_write_section_stabs 721 (bfd *, struct stab_info *, asection *, void **, bfd_byte *) 722 ATTRIBUTE_HIDDEN; 723 724 /* Write out the .stabstr string table when linking stabs in sections. */ 725 726 extern bfd_boolean _bfd_write_stab_strings 727 (bfd *, struct stab_info *) ATTRIBUTE_HIDDEN; 728 729 /* Find an offset within a .stab section when linking stabs in 730 sections. */ 731 732 extern bfd_vma _bfd_stab_section_offset 733 (asection *, void *, bfd_vma) ATTRIBUTE_HIDDEN; 734 735 /* Register a SEC_MERGE section as a candidate for merging. */ 736 737 extern bfd_boolean _bfd_add_merge_section 738 (bfd *, void **, asection *, void **) ATTRIBUTE_HIDDEN; 739 740 /* Attempt to merge SEC_MERGE sections. */ 741 742 extern bfd_boolean _bfd_merge_sections 743 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)) 744 ATTRIBUTE_HIDDEN; 745 746 /* Write out a merged section. */ 747 748 extern bfd_boolean _bfd_write_merged_section 749 (bfd *, asection *, void *) ATTRIBUTE_HIDDEN; 750 751 /* Find an offset within a modified SEC_MERGE section. */ 752 753 extern bfd_vma _bfd_merged_section_offset 754 (bfd *, asection **, void *, bfd_vma) ATTRIBUTE_HIDDEN; 755 756 /* Tidy up when done. */ 757 758 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN; 759 760 /* Create a string table. */ 761 extern struct bfd_strtab_hash *_bfd_stringtab_init 762 (void) ATTRIBUTE_HIDDEN; 763 764 /* Create an XCOFF .debug section style string table. */ 765 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init 766 (void) ATTRIBUTE_HIDDEN; 767 768 /* Free a string table. */ 769 extern void _bfd_stringtab_free 770 (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN; 771 772 /* Get the size of a string table. */ 773 extern bfd_size_type _bfd_stringtab_size 774 (struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN; 775 776 /* Add a string to a string table. */ 777 extern bfd_size_type _bfd_stringtab_add 778 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy) 779 ATTRIBUTE_HIDDEN; 780 781 /* Write out a string table. */ 782 extern bfd_boolean _bfd_stringtab_emit 783 (bfd *, struct bfd_strtab_hash *) ATTRIBUTE_HIDDEN; 784 785 /* Macros to tell if bfds are read or write enabled. 787 788 Note that bfds open for read may be scribbled into if the fd passed 789 to bfd_fdopenr is actually open both for read and write 790 simultaneously. However an output bfd will never be open for 791 read. Therefore sometimes you want to check bfd_read_p or 792 !bfd_read_p, and only sometimes bfd_write_p. 793 */ 794 795 #define bfd_read_p(abfd) \ 796 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 797 #define bfd_write_p(abfd) \ 798 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 799 800 extern void bfd_assert 801 (const char*,int) ATTRIBUTE_HIDDEN; 802 803 #define BFD_ASSERT(x) \ 804 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 805 806 #define BFD_FAIL() \ 807 do { bfd_assert(__FILE__,__LINE__); } while (0) 808 809 extern void _bfd_abort 810 (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN; 811 812 /* if gcc >= 2.6, we can give a function name, too */ 813 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 814 #define __PRETTY_FUNCTION__ ((char *) NULL) 815 #endif 816 817 #undef abort 818 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 819 820 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 821 the system "off_t" or "off64_t", as the offset. */ 822 extern file_ptr _bfd_real_ftell 823 (FILE *) ATTRIBUTE_HIDDEN; 824 extern int _bfd_real_fseek 825 (FILE *, file_ptr, int) ATTRIBUTE_HIDDEN; 826 extern FILE *_bfd_real_fopen 827 (const char *, const char *) ATTRIBUTE_HIDDEN; 828 829 /* List of supported target vectors, and the default vector (if 830 bfd_default_vector[0] is NULL, there is no default). */ 831 extern const bfd_target * const *bfd_target_vector ATTRIBUTE_HIDDEN; 832 extern const bfd_target *bfd_default_vector[] ATTRIBUTE_HIDDEN; 833 834 /* List of associated target vectors. */ 835 extern const bfd_target * const *bfd_associated_vector ATTRIBUTE_HIDDEN; 836 837 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 838 other common header files. */ 839 840 #if defined(__STDC__) || defined(ALMOST_STDC) 841 struct ecoff_find_line; 842 #endif 843 844 extern bfd_boolean _bfd_ecoff_locate_line 845 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 846 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 847 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN; 848 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr 849 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 850 extern bfd_boolean _bfd_ecoff_get_accumulated_sym 851 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 852 extern bfd_boolean _bfd_ecoff_get_accumulated_ss 853 (void *, bfd_byte *) ATTRIBUTE_HIDDEN; 854 855 extern bfd_vma _bfd_get_gp_value 856 (bfd *) ATTRIBUTE_HIDDEN; 857 extern void _bfd_set_gp_value 858 (bfd *, bfd_vma) ATTRIBUTE_HIDDEN; 859 860 /* Function shared by the COFF and ELF SH backends, which have no 861 other common header files. */ 862 863 #ifndef _bfd_sh_align_load_span 864 extern bfd_boolean _bfd_sh_align_load_span 865 (bfd *, asection *, bfd_byte *, 866 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 867 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *) ATTRIBUTE_HIDDEN; 868 #endif 869 870 /* This is the shape of the elements inside the already_linked hash 871 table. It maps a name onto a list of already_linked elements with 872 the same name. */ 873 874 struct bfd_section_already_linked_hash_entry 875 { 876 struct bfd_hash_entry root; 877 struct bfd_section_already_linked *entry; 878 }; 879 880 struct bfd_section_already_linked 881 { 882 struct bfd_section_already_linked *next; 883 asection *sec; 884 }; 885 886 extern struct bfd_section_already_linked_hash_entry * 887 bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN; 888 extern bfd_boolean bfd_section_already_linked_table_insert 889 (struct bfd_section_already_linked_hash_entry *, asection *) 890 ATTRIBUTE_HIDDEN; 891 extern void bfd_section_already_linked_table_traverse 892 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, 893 void *), void *) ATTRIBUTE_HIDDEN; 894 895 extern bfd_vma _bfd_read_unsigned_leb128 896 (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN; 897 extern bfd_signed_vma _bfd_read_signed_leb128 898 (bfd *, bfd_byte *, unsigned int *) ATTRIBUTE_HIDDEN; 899 extern bfd_vma _bfd_safe_read_leb128 900 (bfd *, bfd_byte *, unsigned int *, bfd_boolean, const bfd_byte * const) 901 ATTRIBUTE_HIDDEN; 902 extern bfd_byte * _bfd_write_unsigned_leb128 903 (bfd_byte *, bfd_byte *, bfd_vma) ATTRIBUTE_HIDDEN; 904 905 #if GCC_VERSION >= 7000 906 #define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res) 907 #else 908 /* Assumes unsigned values. Careful! Args evaluated multiple times. */ 909 #define _bfd_mul_overflow(a, b, res) \ 910 ((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a)) 911 #endif 912 913 #ifdef __GNUC__ 914 #define _bfd_constant_p(v) __builtin_constant_p (v) 915 #else 916 #define _bfd_constant_p(v) 0 917 #endif 918 919 static inline bfd_byte * 920 _bfd_alloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize) 921 { 922 bfd_byte *mem; 923 if (!_bfd_constant_p (rsize)) 924 { 925 ufile_ptr filesize = bfd_get_file_size (abfd); 926 if (filesize != 0 && rsize > filesize) 927 { 928 bfd_set_error (bfd_error_file_truncated); 929 return NULL; 930 } 931 } 932 mem = bfd_alloc (abfd, asize); 933 if (mem != NULL) 934 { 935 if (bfd_bread (mem, rsize, abfd) == rsize) 936 return mem; 937 bfd_release (abfd, mem); 938 } 939 return NULL; 940 } 941 942 static inline bfd_byte * 943 _bfd_malloc_and_read (bfd *abfd, bfd_size_type asize, bfd_size_type rsize) 944 { 945 bfd_byte *mem; 946 if (!_bfd_constant_p (rsize)) 947 { 948 ufile_ptr filesize = bfd_get_file_size (abfd); 949 if (filesize != 0 && rsize > filesize) 950 { 951 bfd_set_error (bfd_error_file_truncated); 952 return NULL; 953 } 954 } 955 mem = bfd_malloc (asize); 956 if (mem != NULL) 957 { 958 if (bfd_bread (mem, rsize, abfd) == rsize) 959 return mem; 960 free (mem); 961 } 962 return NULL; 963 } 964
Indexes created Wed Apr 15 00:22:22 UTC 2026