libbfd-in.h revision 1.1.1.2
1 /* libbfd.h -- Declarations used by bfd library *implementation*. 2 (This include file is not for users of the library.) 3 4 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 5 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 6 2010, 2011, 2012 7 Free Software Foundation, Inc. 8 9 Written by Cygnus Support. 10 11 This file is part of BFD, the Binary File Descriptor library. 12 13 This program is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 3 of the License, or 16 (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 26 MA 02110-1301, USA. */ 27 28 #include "hashtab.h" 29 30 /* Align an address upward to a boundary, expressed as a number of bytes. 31 E.g. align to an 8-byte boundary with argument of 8. Take care never 32 to wrap around if the address is within boundary-1 of the end of the 33 address space. */ 34 #define BFD_ALIGN(this, boundary) \ 35 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ 36 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ 37 : ~ (bfd_vma) 0) 38 39 /* If you want to read and write large blocks, you might want to do it 40 in quanta of this amount */ 41 #define DEFAULT_BUFFERSIZE 8192 42 43 /* Set a tdata field. Can't use the other macros for this, since they 44 do casts, and casting to the left of assignment isn't portable. */ 45 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 46 47 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 48 to an instance of this structure. */ 49 50 struct bfd_in_memory 51 { 52 /* Size of buffer. */ 53 bfd_size_type size; 54 /* Buffer holding contents of BFD. */ 55 bfd_byte *buffer; 56 }; 57 58 struct section_hash_entry 59 { 60 struct bfd_hash_entry root; 61 asection section; 62 }; 63 64 /* tdata for an archive. For an input archive, cache 65 needs to be free()'d. For an output archive, symdefs do. */ 66 67 struct artdata 68 { 69 file_ptr first_file_filepos; 70 /* Speed up searching the armap */ 71 htab_t cache; 72 bfd *archive_head; /* Only interesting in output routines. */ 73 carsym *symdefs; /* The symdef entries. */ 74 symindex symdef_count; /* How many there are. */ 75 char *extended_names; /* Clever intel extension. */ 76 bfd_size_type extended_names_size; /* Size of extended names. */ 77 /* When more compilers are standard C, this can be a time_t. */ 78 long armap_timestamp; /* Timestamp value written into armap. 79 This is used for BSD archives to check 80 that the timestamp is recent enough 81 for the BSD linker to not complain, 82 just before we finish writing an 83 archive. */ 84 file_ptr armap_datepos; /* Position within archive to seek to 85 rewrite the date field. */ 86 void *tdata; /* Backend specific information. */ 87 }; 88 89 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 90 91 /* Goes in bfd's arelt_data slot */ 92 struct areltdata 93 { 94 char * arch_header; /* It's actually a string. */ 95 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */ 96 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */ 97 char *filename; /* Null-terminated. */ 98 file_ptr origin; /* For element of a thin archive. */ 99 void *parent_cache; /* Where and how to find this member. */ 100 file_ptr key; 101 }; 102 103 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 104 105 extern void *bfd_malloc 106 (bfd_size_type); 107 extern void *bfd_realloc 108 (void *, bfd_size_type); 109 extern void *bfd_realloc_or_free 110 (void *, bfd_size_type); 111 extern void *bfd_zmalloc 112 (bfd_size_type); 113 extern void *bfd_malloc2 114 (bfd_size_type, bfd_size_type); 115 extern void *bfd_realloc2 116 (void *, bfd_size_type, bfd_size_type); 117 extern void *bfd_zmalloc2 118 (bfd_size_type, bfd_size_type); 119 120 extern void _bfd_default_error_handler (const char *s, ...); 121 extern bfd_error_handler_type _bfd_error_handler; 122 extern bfd_assert_handler_type _bfd_assert_handler; 123 124 /* These routines allocate and free things on the BFD's objalloc. */ 125 126 extern void *bfd_alloc2 127 (bfd *, bfd_size_type, bfd_size_type); 128 extern void *bfd_zalloc2 129 (bfd *, bfd_size_type, bfd_size_type); 130 extern void bfd_release 131 (bfd *, void *); 132 133 bfd * _bfd_create_empty_archive_element_shell 134 (bfd *obfd); 135 bfd * _bfd_look_for_bfd_in_cache 136 (bfd *, file_ptr); 137 bfd_boolean _bfd_add_bfd_to_archive_cache 138 (bfd *, file_ptr, bfd *); 139 bfd_boolean _bfd_generic_mkarchive 140 (bfd *abfd); 141 char *_bfd_append_relative_path 142 (bfd *arch, char *elt_name); 143 const bfd_target *bfd_generic_archive_p 144 (bfd *abfd); 145 bfd_boolean bfd_slurp_armap 146 (bfd *abfd); 147 bfd_boolean bfd_slurp_bsd_armap_f2 148 (bfd *abfd); 149 #define bfd_slurp_bsd_armap bfd_slurp_armap 150 #define bfd_slurp_coff_armap bfd_slurp_armap 151 bfd_boolean _bfd_slurp_extended_name_table 152 (bfd *abfd); 153 extern bfd_boolean _bfd_construct_extended_name_table 154 (bfd *, bfd_boolean, char **, bfd_size_type *); 155 bfd_boolean _bfd_write_archive_contents 156 (bfd *abfd); 157 bfd_boolean _bfd_compute_and_write_armap 158 (bfd *, unsigned int elength); 159 bfd *_bfd_get_elt_at_filepos 160 (bfd *archive, file_ptr filepos); 161 extern bfd *_bfd_generic_get_elt_at_index 162 (bfd *, symindex); 163 bfd * _bfd_new_bfd 164 (void); 165 bfd_boolean _bfd_free_cached_info 166 (bfd *); 167 168 bfd_boolean bfd_false 169 (bfd *ignore); 170 bfd_boolean bfd_true 171 (bfd *ignore); 172 void *bfd_nullvoidptr 173 (bfd *ignore); 174 int bfd_0 175 (bfd *ignore); 176 unsigned int bfd_0u 177 (bfd *ignore); 178 long bfd_0l 179 (bfd *ignore); 180 long _bfd_n1 181 (bfd *ignore); 182 void bfd_void 183 (bfd *ignore); 184 185 bfd *_bfd_new_bfd_contained_in 186 (bfd *); 187 const bfd_target *_bfd_dummy_target 188 (bfd *abfd); 189 190 void bfd_dont_truncate_arname 191 (bfd *abfd, const char *filename, char *hdr); 192 void bfd_bsd_truncate_arname 193 (bfd *abfd, const char *filename, char *hdr); 194 void bfd_gnu_truncate_arname 195 (bfd *abfd, const char *filename, char *hdr); 196 197 bfd_boolean bsd_write_armap 198 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 199 int stridx); 200 201 bfd_boolean coff_write_armap 202 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 203 int stridx); 204 205 extern void *_bfd_generic_read_ar_hdr 206 (bfd *); 207 extern void _bfd_ar_spacepad 208 (char *, size_t, const char *, long); 209 extern bfd_boolean _bfd_ar_sizepad 210 (char *, size_t, bfd_size_type); 211 212 extern void *_bfd_generic_read_ar_hdr_mag 213 (bfd *, const char *); 214 215 extern bfd_boolean _bfd_generic_write_ar_hdr 216 (bfd *, bfd *); 217 218 extern bfd_boolean _bfd_bsd44_write_ar_hdr 219 (bfd *, bfd *); 220 221 bfd * bfd_generic_openr_next_archived_file 222 (bfd *archive, bfd *last_file); 223 224 int bfd_generic_stat_arch_elt 225 (bfd *, struct stat *); 226 227 #define _bfd_read_ar_hdr(abfd) \ 228 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 229 #define _bfd_write_ar_hdr(archive, abfd) \ 230 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd)) 231 232 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 234 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 235 236 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup 237 extern bfd_boolean _bfd_archive_close_and_cleanup 238 (bfd *); 239 #define _bfd_generic_bfd_free_cached_info bfd_true 240 extern bfd_boolean _bfd_generic_new_section_hook 241 (bfd *, asection *); 242 extern bfd_boolean _bfd_generic_get_section_contents 243 (bfd *, asection *, void *, file_ptr, bfd_size_type); 244 extern bfd_boolean _bfd_generic_get_section_contents_in_window 245 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); 246 247 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 248 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 249 250 #define _bfd_generic_bfd_copy_private_bfd_data \ 251 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 252 #define _bfd_generic_bfd_merge_private_bfd_data \ 253 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 254 #define _bfd_generic_bfd_set_private_flags \ 255 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 256 #define _bfd_generic_bfd_copy_private_section_data \ 257 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) 258 #define _bfd_generic_bfd_copy_private_symbol_data \ 259 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) 260 #define _bfd_generic_bfd_copy_private_header_data \ 261 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 262 #define _bfd_generic_bfd_print_private_bfd_data \ 263 ((bfd_boolean (*) (bfd *, void *)) bfd_true) 264 265 extern bfd_boolean _bfd_generic_init_private_section_data 266 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *); 267 268 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 269 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 270 271 extern char *_bfd_nocore_core_file_failing_command 272 (bfd *); 273 extern int _bfd_nocore_core_file_failing_signal 274 (bfd *); 275 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p 276 (bfd *, bfd *); 277 extern int _bfd_nocore_core_file_pid 278 (bfd *); 279 280 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 281 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 282 283 #define _bfd_noarchive_slurp_armap bfd_false 284 #define _bfd_noarchive_slurp_extended_name_table bfd_false 285 #define _bfd_noarchive_construct_extended_name_table \ 286 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ 287 bfd_false) 288 #define _bfd_noarchive_truncate_arname \ 289 ((void (*) (bfd *, const char *, char *)) bfd_void) 290 #define _bfd_noarchive_write_armap \ 291 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ 292 bfd_false) 293 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr 294 #define _bfd_noarchive_write_ar_hdr \ 295 ((bfd_boolean (*) (bfd *, bfd *)) bfd_false) 296 #define _bfd_noarchive_openr_next_archived_file \ 297 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) 298 #define _bfd_noarchive_get_elt_at_index \ 299 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) 300 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 301 #define _bfd_noarchive_update_armap_timestamp bfd_false 302 303 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 304 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 305 306 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 307 #define _bfd_archive_bsd_slurp_extended_name_table \ 308 _bfd_slurp_extended_name_table 309 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table 310 (bfd *, char **, bfd_size_type *, const char **); 311 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 312 #define _bfd_archive_bsd_write_armap bsd_write_armap 313 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 314 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr 315 #define _bfd_archive_bsd_openr_next_archived_file \ 316 bfd_generic_openr_next_archived_file 317 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 318 #define _bfd_archive_bsd_generic_stat_arch_elt \ 319 bfd_generic_stat_arch_elt 320 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp 321 (bfd *); 322 323 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 324 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 325 326 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 327 #define _bfd_archive_coff_slurp_extended_name_table \ 328 _bfd_slurp_extended_name_table 329 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table 330 (bfd *, char **, bfd_size_type *, const char **); 331 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 332 #define _bfd_archive_coff_write_armap coff_write_armap 333 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 334 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr 335 #define _bfd_archive_coff_openr_next_archived_file \ 336 bfd_generic_openr_next_archived_file 337 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 338 #define _bfd_archive_coff_generic_stat_arch_elt \ 339 bfd_generic_stat_arch_elt 340 #define _bfd_archive_coff_update_armap_timestamp bfd_true 341 342 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style 343 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */ 344 345 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap 346 #define _bfd_archive_bsd44_slurp_extended_name_table \ 347 _bfd_slurp_extended_name_table 348 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table 349 (bfd *, char **, bfd_size_type *, const char **); 350 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname 351 #define _bfd_archive_bsd44_write_armap bsd_write_armap 352 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr 353 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr 354 #define _bfd_archive_bsd44_openr_next_archived_file \ 355 bfd_generic_openr_next_archived_file 356 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index 357 #define _bfd_archive_bsd44_generic_stat_arch_elt \ 358 bfd_generic_stat_arch_elt 359 #define _bfd_archive_bsd44_update_armap_timestamp \ 360 _bfd_archive_bsd_update_armap_timestamp 361 362 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style 363 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them 364 are irrelevant and never called, so defined as NULL. */ 365 366 extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch); 367 #define _bfd_vms_lib_slurp_armap NULL 368 #define _bfd_vms_lib_slurp_extended_name_table NULL 369 #define _bfd_vms_lib_construct_extended_name_table NULL 370 #define _bfd_vms_lib_truncate_arname NULL 371 #define _bfd_vms_lib_write_armap NULL 372 #define _bfd_vms_lib_read_ar_hdr NULL 373 #define _bfd_vms_lib_write_ar_hdr NULL 374 extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *); 375 extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex); 376 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *); 377 #define _bfd_vms_lib_update_armap_timestamp bfd_true 378 379 /* Extra routines for VMS style archives. */ 380 381 extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *); 382 extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *); 383 extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd); 384 extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd); 385 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd); 386 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd); 387 388 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 389 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 390 391 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 392 #define _bfd_nosymbols_canonicalize_symtab \ 393 ((long (*) (bfd *, asymbol **)) _bfd_n1) 394 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 395 #define _bfd_nosymbols_print_symbol \ 396 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) 397 #define _bfd_nosymbols_get_symbol_info \ 398 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) 399 #define _bfd_nosymbols_bfd_is_local_label_name \ 400 ((bfd_boolean (*) (bfd *, const char *)) bfd_false) 401 #define _bfd_nosymbols_bfd_is_target_special_symbol \ 402 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 403 #define _bfd_nosymbols_get_lineno \ 404 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) 405 #define _bfd_nosymbols_find_nearest_line \ 406 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ 407 const char **, unsigned int *)) \ 408 bfd_false) 409 #define _bfd_nosymbols_find_inliner_info \ 410 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \ 411 bfd_false) 412 #define _bfd_nosymbols_bfd_make_debug_symbol \ 413 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 414 #define _bfd_nosymbols_read_minisymbols \ 415 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) 416 #define _bfd_nosymbols_minisymbol_to_symbol \ 417 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ 418 bfd_nullvoidptr) 419 420 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 421 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 422 423 extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *); 424 extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *, 425 arelent **, asymbol **); 426 #define _bfd_norelocs_bfd_reloc_type_lookup \ 427 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) 428 #define _bfd_norelocs_bfd_reloc_name_lookup \ 429 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr) 430 431 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 432 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 433 434 #define _bfd_nowrite_set_arch_mach \ 435 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ 436 bfd_false) 437 #define _bfd_nowrite_set_section_contents \ 438 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ 439 bfd_false) 440 441 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 442 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 443 444 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 445 extern bfd_boolean _bfd_generic_set_section_contents 446 (bfd *, asection *, const void *, file_ptr, bfd_size_type); 447 448 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 449 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 450 451 #define _bfd_nolink_sizeof_headers \ 452 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0) 453 #define _bfd_nolink_bfd_get_relocated_section_contents \ 454 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ 455 bfd_byte *, bfd_boolean, asymbol **)) \ 456 bfd_nullvoidptr) 457 #define _bfd_nolink_bfd_relax_section \ 458 ((bfd_boolean (*) \ 459 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ 460 bfd_false) 461 #define _bfd_nolink_bfd_gc_sections \ 462 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 463 bfd_false) 464 #define _bfd_nolink_bfd_lookup_section_flags \ 465 ((bfd_boolean (*) (struct bfd_link_info *, struct flag_info *, asection *)) \ 466 bfd_0) 467 #define _bfd_nolink_bfd_merge_sections \ 468 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 469 bfd_false) 470 #define _bfd_nolink_bfd_is_group_section \ 471 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ 472 bfd_false) 473 #define _bfd_nolink_bfd_discard_group \ 474 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ 475 bfd_false) 476 #define _bfd_nolink_bfd_link_hash_table_create \ 477 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) 478 #define _bfd_nolink_bfd_link_hash_table_free \ 479 ((void (*) (struct bfd_link_hash_table *)) bfd_void) 480 #define _bfd_nolink_bfd_link_add_symbols \ 481 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 482 #define _bfd_nolink_bfd_link_just_syms \ 483 ((void (*) (asection *, struct bfd_link_info *)) bfd_void) 484 #define _bfd_nolink_bfd_copy_link_hash_symbol_type \ 485 ((void (*) (bfd *, struct bfd_link_hash_entry *, \ 486 struct bfd_link_hash_entry *)) bfd_void) 487 #define _bfd_nolink_bfd_final_link \ 488 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 489 #define _bfd_nolink_bfd_link_split_section \ 490 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) 491 #define _bfd_nolink_section_already_linked \ 492 ((bfd_boolean (*) (bfd *, asection *, \ 493 struct bfd_link_info *)) bfd_false) 494 #define _bfd_nolink_bfd_define_common_symbol \ 495 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \ 496 struct bfd_link_hash_entry *)) bfd_false) 497 498 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 499 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 500 (_bfd_nodynamic). */ 501 502 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 503 #define _bfd_nodynamic_canonicalize_dynamic_symtab \ 504 ((long (*) (bfd *, asymbol **)) _bfd_n1) 505 #define _bfd_nodynamic_get_synthetic_symtab \ 506 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) 507 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 508 #define _bfd_nodynamic_canonicalize_dynamic_reloc \ 509 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) 510 511 /* Generic routine to determine of the given symbol is a local 513 label. */ 514 extern bfd_boolean bfd_generic_is_local_label_name 515 (bfd *, const char *); 516 517 /* Generic minisymbol routines. */ 518 extern long _bfd_generic_read_minisymbols 519 (bfd *, bfd_boolean, void **, unsigned int *); 520 extern asymbol *_bfd_generic_minisymbol_to_symbol 521 (bfd *, bfd_boolean, const void *, asymbol *); 522 523 /* Find the nearest line using .stab/.stabstr sections. */ 524 extern bfd_boolean _bfd_stab_section_find_nearest_line 525 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, 526 const char **, const char **, unsigned int *, void **); 527 528 /* Find the nearest line using DWARF 1 debugging information. */ 529 extern bfd_boolean _bfd_dwarf1_find_nearest_line 530 (bfd *, asection *, asymbol **, bfd_vma, const char **, 531 const char **, unsigned int *); 532 533 struct dwarf_debug_section 534 { 535 const char *uncompressed_name; 536 const char *compressed_name; 537 }; 538 539 /* Map of uncompressed DWARF debug section name to compressed one. It 540 is terminated by NULL uncompressed_name. */ 541 542 extern const struct dwarf_debug_section dwarf_debug_sections[]; 543 544 /* Find the nearest line using DWARF 2 debugging information. */ 545 extern bfd_boolean _bfd_dwarf2_find_nearest_line 546 (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, bfd_vma, 547 const char **, const char **, unsigned int *, unsigned int *, unsigned int, 548 void **); 549 550 /* Find the line using DWARF 2 debugging information. */ 551 extern bfd_boolean _bfd_dwarf2_find_line 552 (bfd *, asymbol **, asymbol *, const char **, 553 unsigned int *, unsigned int *, unsigned int, void **); 554 555 bfd_boolean _bfd_generic_find_line 556 (bfd *, asymbol **, asymbol *, const char **, unsigned int *); 557 558 bfd_boolean _bfd_generic_find_nearest_line_discriminator 559 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, 560 unsigned int *, unsigned int *); 561 562 /* Find inliner info after calling bfd_find_nearest_line. */ 563 extern bfd_boolean _bfd_dwarf2_find_inliner_info 564 (bfd *, const char **, const char **, unsigned int *, void **); 565 566 /* Read DWARF 2 debugging information. */ 567 extern bfd_boolean _bfd_dwarf2_slurp_debug_info 568 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **); 569 570 /* Clean up the data used to handle DWARF 2 debugging information. */ 571 extern void _bfd_dwarf2_cleanup_debug_info 572 (bfd *, void **); 573 574 /* Create a new section entry. */ 575 extern struct bfd_hash_entry *bfd_section_hash_newfunc 576 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 577 578 /* A routine to create entries for a bfd_link_hash_table. */ 579 extern struct bfd_hash_entry *_bfd_link_hash_newfunc 580 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 581 const char *string); 582 583 /* Initialize a bfd_link_hash_table. */ 584 extern bfd_boolean _bfd_link_hash_table_init 585 (struct bfd_link_hash_table *, bfd *, 586 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 587 struct bfd_hash_table *, 588 const char *), 589 unsigned int); 590 591 /* Generic link hash table creation routine. */ 592 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 593 (bfd *); 594 595 /* Generic link hash table destruction routine. */ 596 extern void _bfd_generic_link_hash_table_free 597 (struct bfd_link_hash_table *); 598 599 /* Generic add symbol routine. */ 600 extern bfd_boolean _bfd_generic_link_add_symbols 601 (bfd *, struct bfd_link_info *); 602 603 /* Generic add symbol routine. This version is used by targets for 604 which the linker must collect constructors and destructors by name, 605 as the collect2 program does. */ 606 extern bfd_boolean _bfd_generic_link_add_symbols_collect 607 (bfd *, struct bfd_link_info *); 608 609 /* Generic archive add symbol routine. */ 610 extern bfd_boolean _bfd_generic_link_add_archive_symbols 611 (bfd *, struct bfd_link_info *, 612 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); 613 614 /* Forward declaration to avoid prototype errors. */ 615 typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 616 617 /* Generic routine to add a single symbol. */ 618 extern bfd_boolean _bfd_generic_link_add_one_symbol 619 (struct bfd_link_info *, bfd *, const char *name, flagword, 620 asection *, bfd_vma, const char *, bfd_boolean copy, 621 bfd_boolean constructor, struct bfd_link_hash_entry **); 622 623 /* Generic routine to mark section as supplying symbols only. */ 624 extern void _bfd_generic_link_just_syms 625 (asection *, struct bfd_link_info *); 626 627 /* Generic routine that does nothing. */ 628 extern void _bfd_generic_copy_link_hash_symbol_type 629 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *); 630 631 /* Generic link routine. */ 632 extern bfd_boolean _bfd_generic_final_link 633 (bfd *, struct bfd_link_info *); 634 635 extern bfd_boolean _bfd_generic_link_split_section 636 (bfd *, struct bfd_section *); 637 638 extern bfd_boolean _bfd_generic_section_already_linked 639 (bfd *, asection *, struct bfd_link_info *); 640 641 /* Generic reloc_link_order processing routine. */ 642 extern bfd_boolean _bfd_generic_reloc_link_order 643 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 644 645 /* Default link order processing routine. */ 646 extern bfd_boolean _bfd_default_link_order 647 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 648 649 /* Count the number of reloc entries in a link order list. */ 650 extern unsigned int _bfd_count_link_order_relocs 651 (struct bfd_link_order *); 652 653 /* Final link relocation routine. */ 654 extern bfd_reloc_status_type _bfd_final_link_relocate 655 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 656 bfd_vma, bfd_vma, bfd_vma); 657 658 /* Relocate a particular location by a howto and a value. */ 659 extern bfd_reloc_status_type _bfd_relocate_contents 660 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); 661 662 /* Clear a given location using a given howto. */ 663 extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd, 664 asection *input_section, bfd_byte *location); 665 666 /* Link stabs in sections in the first pass. */ 667 668 extern bfd_boolean _bfd_link_section_stabs 669 (bfd *, struct stab_info *, asection *, asection *, void **, 670 bfd_size_type *); 671 672 /* Eliminate stabs for discarded functions and symbols. */ 673 extern bfd_boolean _bfd_discard_section_stabs 674 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); 675 676 /* Write out the .stab section when linking stabs in sections. */ 677 678 extern bfd_boolean _bfd_write_section_stabs 679 (bfd *, struct stab_info *, asection *, void **, bfd_byte *); 680 681 /* Write out the .stabstr string table when linking stabs in sections. */ 682 683 extern bfd_boolean _bfd_write_stab_strings 684 (bfd *, struct stab_info *); 685 686 /* Find an offset within a .stab section when linking stabs in 687 sections. */ 688 689 extern bfd_vma _bfd_stab_section_offset 690 (asection *, void *, bfd_vma); 691 692 /* Register a SEC_MERGE section as a candidate for merging. */ 693 694 extern bfd_boolean _bfd_add_merge_section 695 (bfd *, void **, asection *, void **); 696 697 /* Attempt to merge SEC_MERGE sections. */ 698 699 extern bfd_boolean _bfd_merge_sections 700 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); 701 702 /* Write out a merged section. */ 703 704 extern bfd_boolean _bfd_write_merged_section 705 (bfd *, asection *, void *); 706 707 /* Find an offset within a modified SEC_MERGE section. */ 708 709 extern bfd_vma _bfd_merged_section_offset 710 (bfd *, asection **, void *, bfd_vma); 711 712 /* Tidy up when done. */ 713 714 extern void _bfd_merge_sections_free (void *); 715 716 /* Create a string table. */ 717 extern struct bfd_strtab_hash *_bfd_stringtab_init 718 (void); 719 720 /* Create an XCOFF .debug section style string table. */ 721 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init 722 (void); 723 724 /* Free a string table. */ 725 extern void _bfd_stringtab_free 726 (struct bfd_strtab_hash *); 727 728 /* Get the size of a string table. */ 729 extern bfd_size_type _bfd_stringtab_size 730 (struct bfd_strtab_hash *); 731 732 /* Add a string to a string table. */ 733 extern bfd_size_type _bfd_stringtab_add 734 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); 735 736 /* Write out a string table. */ 737 extern bfd_boolean _bfd_stringtab_emit 738 (bfd *, struct bfd_strtab_hash *); 739 740 /* Check that endianness of input and output file match. */ 741 extern bfd_boolean _bfd_generic_verify_endian_match 742 (bfd *, bfd *); 743 744 /* Macros to tell if bfds are read or write enabled. 746 747 Note that bfds open for read may be scribbled into if the fd passed 748 to bfd_fdopenr is actually open both for read and write 749 simultaneously. However an output bfd will never be open for 750 read. Therefore sometimes you want to check bfd_read_p or 751 !bfd_read_p, and only sometimes bfd_write_p. 752 */ 753 754 #define bfd_read_p(abfd) \ 755 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 756 #define bfd_write_p(abfd) \ 757 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 758 759 void bfd_assert 760 (const char*,int); 761 762 #define BFD_ASSERT(x) \ 763 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 764 765 #define BFD_FAIL() \ 766 do { bfd_assert(__FILE__,__LINE__); } while (0) 767 768 extern void _bfd_abort 769 (const char *, int, const char *) ATTRIBUTE_NORETURN; 770 771 /* if gcc >= 2.6, we can give a function name, too */ 772 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 773 #define __PRETTY_FUNCTION__ ((char *) NULL) 774 #endif 775 776 #undef abort 777 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 778 779 /* Manipulate a system FILE but using BFD's "file_ptr", rather than 780 the system "off_t" or "off64_t", as the offset. */ 781 extern file_ptr real_ftell (FILE *file); 782 extern int real_fseek (FILE *file, file_ptr offset, int whence); 783 extern FILE *real_fopen (const char *filename, const char *modes); 784 785 /* List of supported target vectors, and the default vector (if 786 bfd_default_vector[0] is NULL, there is no default). */ 787 extern const bfd_target * const *bfd_target_vector; 788 extern const bfd_target *bfd_default_vector[]; 789 790 /* List of associated target vectors. */ 791 extern const bfd_target * const *bfd_associated_vector; 792 793 /* Functions shared by the ECOFF and MIPS ELF backends, which have no 794 other common header files. */ 795 796 #if defined(__STDC__) || defined(ALMOST_STDC) 797 struct ecoff_find_line; 798 #endif 799 800 extern bfd_boolean _bfd_ecoff_locate_line 801 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 802 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 803 const char **, const char **, unsigned int *); 804 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr 805 (void *, bfd_byte *); 806 extern bfd_boolean _bfd_ecoff_get_accumulated_sym 807 (void *, bfd_byte *); 808 extern bfd_boolean _bfd_ecoff_get_accumulated_ss 809 (void *, bfd_byte *); 810 811 extern bfd_vma _bfd_get_gp_value 812 (bfd *); 813 extern void _bfd_set_gp_value 814 (bfd *, bfd_vma); 815 816 /* Function shared by the COFF and ELF SH backends, which have no 817 other common header files. */ 818 819 #ifndef _bfd_sh_align_load_span 820 extern bfd_boolean _bfd_sh_align_load_span 821 (bfd *, asection *, bfd_byte *, 822 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 823 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); 824 #endif 825 826 /* This is the shape of the elements inside the already_linked hash 827 table. It maps a name onto a list of already_linked elements with 828 the same name. */ 829 830 struct bfd_section_already_linked_hash_entry 831 { 832 struct bfd_hash_entry root; 833 struct bfd_section_already_linked *entry; 834 }; 835 836 struct bfd_section_already_linked 837 { 838 struct bfd_section_already_linked *next; 839 asection *sec; 840 }; 841 842 extern struct bfd_section_already_linked_hash_entry * 843 bfd_section_already_linked_table_lookup (const char *); 844 extern bfd_boolean bfd_section_already_linked_table_insert 845 (struct bfd_section_already_linked_hash_entry *, asection *); 846 extern void bfd_section_already_linked_table_traverse 847 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, 848 void *), void *); 849 850 extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); 851 extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); 852
Indexes created Mon Apr 13 00:22:24 UTC 2026