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 Free Software Foundation, Inc. 6 7 Written by Cygnus Support. 8 9This file is part of BFD, the Binary File Descriptor library. 10 11This program is free software; you can redistribute it and/or modify 12it under the terms of the GNU General Public License as published by 13the Free Software Foundation; either version 2 of the License, or 14(at your option) any later version. 15 16This program is distributed in the hope that it will be useful, 17but WITHOUT ANY WARRANTY; without even the implied warranty of 18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19GNU General Public License for more details. 20 21You should have received a copy of the GNU General Public License 22along with this program; if not, write to the Free Software 23Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 24 25/* Align an address upward to a boundary, expressed as a number of bytes. 26 E.g. align to an 8-byte boundary with argument of 8. Take care never 27 to wrap around if the address is within boundary-1 of the end of the 28 address space. */ 29#define BFD_ALIGN(this, boundary) \ 30 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ 31 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ 32 : ~ (bfd_vma) 0) 33 34/* If you want to read and write large blocks, you might want to do it 35 in quanta of this amount */ 36#define DEFAULT_BUFFERSIZE 8192 37 38/* Set a tdata field. Can't use the other macros for this, since they 39 do casts, and casting to the left of assignment isn't portable. */ 40#define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) 41 42/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points 43 to an instance of this structure. */ 44 45struct bfd_in_memory 46{ 47 /* Size of buffer. */ 48 bfd_size_type size; 49 /* Buffer holding contents of BFD. */ 50 bfd_byte *buffer; 51}; 52 53/* tdata for an archive. For an input archive, cache 54 needs to be free()'d. For an output archive, symdefs do. */ 55 56struct artdata { 57 file_ptr first_file_filepos; 58 /* Speed up searching the armap */ 59 struct ar_cache *cache; 60 bfd *archive_head; /* Only interesting in output routines */ 61 carsym *symdefs; /* the symdef entries */ 62 symindex symdef_count; /* how many there are */ 63 char *extended_names; /* clever intel extension */ 64 /* when more compilers are standard C, this can be a time_t */ 65 long armap_timestamp; /* Timestamp value written into armap. 66 This is used for BSD archives to check 67 that the timestamp is recent enough 68 for the BSD linker to not complain, 69 just before we finish writing an 70 archive. */ 71 file_ptr armap_datepos; /* Position within archive to seek to 72 rewrite the date field. */ 73 void *tdata; /* Backend specific information. */ 74}; 75 76#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) 77 78/* Goes in bfd's arelt_data slot */ 79struct areltdata { 80 char * arch_header; /* it's actually a string */ 81 unsigned int parsed_size; /* octets of filesize not including ar_hdr */ 82 char *filename; /* null-terminated */ 83}; 84 85#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) 86 87extern void *bfd_malloc 88 (bfd_size_type); 89extern void *bfd_realloc 90 (void *, bfd_size_type); 91extern void *bfd_zmalloc 92 (bfd_size_type); 93 94extern void _bfd_default_error_handler (const char *s, ...); 95extern bfd_error_handler_type _bfd_error_handler; 96 97/* These routines allocate and free things on the BFD's objalloc. */ 98 99extern void *bfd_alloc 100 (bfd *, bfd_size_type); 101extern void *bfd_zalloc 102 (bfd *, bfd_size_type); 103extern void bfd_release 104 (bfd *, void *); 105 106bfd * _bfd_create_empty_archive_element_shell 107 (bfd *obfd); 108bfd * _bfd_look_for_bfd_in_cache 109 (bfd *, file_ptr); 110bfd_boolean _bfd_add_bfd_to_archive_cache 111 (bfd *, file_ptr, bfd *); 112bfd_boolean _bfd_generic_mkarchive 113 (bfd *abfd); 114const bfd_target *bfd_generic_archive_p 115 (bfd *abfd); 116bfd_boolean bfd_slurp_armap 117 (bfd *abfd); 118bfd_boolean bfd_slurp_bsd_armap_f2 119 (bfd *abfd); 120#define bfd_slurp_bsd_armap bfd_slurp_armap 121#define bfd_slurp_coff_armap bfd_slurp_armap 122bfd_boolean _bfd_slurp_extended_name_table 123 (bfd *abfd); 124extern bfd_boolean _bfd_construct_extended_name_table 125 (bfd *, bfd_boolean, char **, bfd_size_type *); 126bfd_boolean _bfd_write_archive_contents 127 (bfd *abfd); 128bfd_boolean _bfd_compute_and_write_armap 129 (bfd *, unsigned int elength); 130bfd *_bfd_get_elt_at_filepos 131 (bfd *archive, file_ptr filepos); 132extern bfd *_bfd_generic_get_elt_at_index 133 (bfd *, symindex); 134bfd * _bfd_new_bfd 135 (void); 136void _bfd_delete_bfd 137 (bfd *); 138 139bfd_boolean bfd_false 140 (bfd *ignore); 141bfd_boolean bfd_true 142 (bfd *ignore); 143void *bfd_nullvoidptr 144 (bfd *ignore); 145int bfd_0 146 (bfd *ignore); 147unsigned int bfd_0u 148 (bfd *ignore); 149long bfd_0l 150 (bfd *ignore); 151long _bfd_n1 152 (bfd *ignore); 153void bfd_void 154 (bfd *ignore); 155 156bfd *_bfd_new_bfd_contained_in 157 (bfd *); 158const bfd_target *_bfd_dummy_target 159 (bfd *abfd); 160 161void bfd_dont_truncate_arname 162 (bfd *abfd, const char *filename, char *hdr); 163void bfd_bsd_truncate_arname 164 (bfd *abfd, const char *filename, char *hdr); 165void bfd_gnu_truncate_arname 166 (bfd *abfd, const char *filename, char *hdr); 167 168bfd_boolean bsd_write_armap 169 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 170 int stridx); 171 172bfd_boolean coff_write_armap 173 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, 174 int stridx); 175 176extern void *_bfd_generic_read_ar_hdr 177 (bfd *); 178 179extern void *_bfd_generic_read_ar_hdr_mag 180 (bfd *, const char *); 181 182bfd * bfd_generic_openr_next_archived_file 183 (bfd *archive, bfd *last_file); 184 185int bfd_generic_stat_arch_elt 186 (bfd *, struct stat *); 187 188#define _bfd_read_ar_hdr(abfd) \ 189 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) 190 191/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use 192 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ 193 194#define _bfd_generic_close_and_cleanup bfd_true 195#define _bfd_generic_bfd_free_cached_info bfd_true 196#define _bfd_generic_new_section_hook \ 197 ((bfd_boolean (*) (bfd *, asection *)) bfd_true) 198extern bfd_boolean _bfd_generic_get_section_contents 199 (bfd *, asection *, void *, file_ptr, bfd_size_type); 200extern bfd_boolean _bfd_generic_get_section_contents_in_window 201 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); 202 203/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use 204 BFD_JUMP_TABLE_COPY (_bfd_generic). */ 205 206#define _bfd_generic_bfd_copy_private_bfd_data \ 207 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 208#define _bfd_generic_bfd_merge_private_bfd_data \ 209 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 210#define _bfd_generic_bfd_set_private_flags \ 211 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 212#define _bfd_generic_bfd_copy_private_section_data \ 213 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) 214#define _bfd_generic_bfd_copy_private_symbol_data \ 215 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) 216#define _bfd_generic_bfd_copy_private_header_data \ 217 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 218#define _bfd_generic_bfd_print_private_bfd_data \ 219 ((bfd_boolean (*) (bfd *, void *)) bfd_true) 220 221/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file 222 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ 223 224extern char *_bfd_nocore_core_file_failing_command 225 (bfd *); 226extern int _bfd_nocore_core_file_failing_signal 227 (bfd *); 228extern bfd_boolean _bfd_nocore_core_file_matches_executable_p 229 (bfd *, bfd *); 230 231/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive 232 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ 233 234#define _bfd_noarchive_slurp_armap bfd_false 235#define _bfd_noarchive_slurp_extended_name_table bfd_false 236#define _bfd_noarchive_construct_extended_name_table \ 237 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ 238 bfd_false) 239#define _bfd_noarchive_truncate_arname \ 240 ((void (*) (bfd *, const char *, char *)) bfd_void) 241#define _bfd_noarchive_write_armap \ 242 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ 243 bfd_false) 244#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr 245#define _bfd_noarchive_openr_next_archived_file \ 246 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) 247#define _bfd_noarchive_get_elt_at_index \ 248 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) 249#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt 250#define _bfd_noarchive_update_armap_timestamp bfd_false 251 252/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style 253 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ 254 255#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap 256#define _bfd_archive_bsd_slurp_extended_name_table \ 257 _bfd_slurp_extended_name_table 258extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table 259 (bfd *, char **, bfd_size_type *, const char **); 260#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname 261#define _bfd_archive_bsd_write_armap bsd_write_armap 262#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr 263#define _bfd_archive_bsd_openr_next_archived_file \ 264 bfd_generic_openr_next_archived_file 265#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index 266#define _bfd_archive_bsd_generic_stat_arch_elt \ 267 bfd_generic_stat_arch_elt 268extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp 269 (bfd *); 270 271/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style 272 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ 273 274#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap 275#define _bfd_archive_coff_slurp_extended_name_table \ 276 _bfd_slurp_extended_name_table 277extern bfd_boolean _bfd_archive_coff_construct_extended_name_table 278 (bfd *, char **, bfd_size_type *, const char **); 279#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname 280#define _bfd_archive_coff_write_armap coff_write_armap 281#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr 282#define _bfd_archive_coff_openr_next_archived_file \ 283 bfd_generic_openr_next_archived_file 284#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index 285#define _bfd_archive_coff_generic_stat_arch_elt \ 286 bfd_generic_stat_arch_elt 287#define _bfd_archive_coff_update_armap_timestamp bfd_true 288 289/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol 290 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ 291 292#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 293#define _bfd_nosymbols_canonicalize_symtab \ 294 ((long (*) (bfd *, asymbol **)) _bfd_n1) 295#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol 296#define _bfd_nosymbols_print_symbol \ 297 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) 298#define _bfd_nosymbols_get_symbol_info \ 299 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) 300#define _bfd_nosymbols_bfd_is_local_label_name \ 301 ((bfd_boolean (*) (bfd *, const char *)) bfd_false) 302#define _bfd_nosymbols_bfd_is_target_special_symbol \ 303 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 304#define _bfd_nosymbols_get_lineno \ 305 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) 306#define _bfd_nosymbols_find_nearest_line \ 307 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ 308 const char **, unsigned int *)) \ 309 bfd_false) 310#define _bfd_nosymbols_bfd_make_debug_symbol \ 311 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 312#define _bfd_nosymbols_read_minisymbols \ 313 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) 314#define _bfd_nosymbols_minisymbol_to_symbol \ 315 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ 316 bfd_nullvoidptr) 317 318/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc 319 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ 320 321#define _bfd_norelocs_get_reloc_upper_bound \ 322 ((long (*) (bfd *, asection *)) _bfd_n1) 323#define _bfd_norelocs_canonicalize_reloc \ 324 ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) 325#define _bfd_norelocs_bfd_reloc_type_lookup \ 326 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) 327 328/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not 329 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ 330 331#define _bfd_nowrite_set_arch_mach \ 332 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ 333 bfd_false) 334#define _bfd_nowrite_set_section_contents \ 335 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ 336 bfd_false) 337 338/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use 339 BFD_JUMP_TABLE_WRITE (_bfd_generic). */ 340 341#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach 342extern bfd_boolean _bfd_generic_set_section_contents 343 (bfd *, asection *, const void *, file_ptr, bfd_size_type); 344 345/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not 346 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ 347 348#define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) 349#define _bfd_nolink_bfd_get_relocated_section_contents \ 350 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ 351 bfd_byte *, bfd_boolean, asymbol **)) \ 352 bfd_nullvoidptr) 353#define _bfd_nolink_bfd_relax_section \ 354 ((bfd_boolean (*) \ 355 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ 356 bfd_false) 357#define _bfd_nolink_bfd_gc_sections \ 358 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 359 bfd_false) 360#define _bfd_nolink_bfd_merge_sections \ 361 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ 362 bfd_false) 363#define _bfd_nolink_bfd_is_group_section \ 364 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ 365 bfd_false) 366#define _bfd_nolink_bfd_discard_group \ 367 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ 368 bfd_false) 369#define _bfd_nolink_bfd_link_hash_table_create \ 370 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) 371#define _bfd_nolink_bfd_link_hash_table_free \ 372 ((void (*) (struct bfd_link_hash_table *)) bfd_void) 373#define _bfd_nolink_bfd_link_add_symbols \ 374 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 375#define _bfd_nolink_bfd_link_just_syms \ 376 ((void (*) (asection *, struct bfd_link_info *)) bfd_void) 377#define _bfd_nolink_bfd_final_link \ 378 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) 379#define _bfd_nolink_bfd_link_split_section \ 380 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) 381#define _bfd_nolink_section_already_linked \ 382 ((void (*) (bfd *, struct bfd_section *)) bfd_void) 383 384/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not 385 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC 386 (_bfd_nodynamic). */ 387 388#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 389#define _bfd_nodynamic_canonicalize_dynamic_symtab \ 390 ((long (*) (bfd *, asymbol **)) _bfd_n1) 391#define _bfd_nodynamic_get_synthetic_symtab \ 392 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) 393#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 394#define _bfd_nodynamic_canonicalize_dynamic_reloc \ 395 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) 396 397/* Generic routine to determine of the given symbol is a local 398 label. */ 399extern bfd_boolean bfd_generic_is_local_label_name 400 (bfd *, const char *); 401 402/* Generic minisymbol routines. */ 403extern long _bfd_generic_read_minisymbols 404 (bfd *, bfd_boolean, void **, unsigned int *); 405extern asymbol *_bfd_generic_minisymbol_to_symbol 406 (bfd *, bfd_boolean, const void *, asymbol *); 407 408/* Find the nearest line using .stab/.stabstr sections. */ 409extern bfd_boolean _bfd_stab_section_find_nearest_line 410 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, 411 const char **, const char **, unsigned int *, void **); 412 413/* Find the neaderst line using DWARF 1 debugging information. */ 414extern bfd_boolean _bfd_dwarf1_find_nearest_line 415 (bfd *, asection *, asymbol **, bfd_vma, const char **, 416 const char **, unsigned int *); 417 418/* Find the nearest line using DWARF 2 debugging information. */ 419extern bfd_boolean _bfd_dwarf2_find_nearest_line 420 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, 421 unsigned int *, unsigned int, void **); 422 423/* Create a new section entry. */ 424extern struct bfd_hash_entry *bfd_section_hash_newfunc 425 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); 426 427/* A routine to create entries for a bfd_link_hash_table. */ 428extern struct bfd_hash_entry *_bfd_link_hash_newfunc 429 (struct bfd_hash_entry *entry, struct bfd_hash_table *table, 430 const char *string); 431 432/* Initialize a bfd_link_hash_table. */ 433extern bfd_boolean _bfd_link_hash_table_init 434 (struct bfd_link_hash_table *, bfd *, 435 struct bfd_hash_entry *(*) (struct bfd_hash_entry *, 436 struct bfd_hash_table *, 437 const char *)); 438 439/* Generic link hash table creation routine. */ 440extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create 441 (bfd *); 442 443/* Generic link hash table destruction routine. */ 444extern void _bfd_generic_link_hash_table_free 445 (struct bfd_link_hash_table *); 446 447/* Generic add symbol routine. */ 448extern bfd_boolean _bfd_generic_link_add_symbols 449 (bfd *, struct bfd_link_info *); 450 451/* Generic add symbol routine. This version is used by targets for 452 which the linker must collect constructors and destructors by name, 453 as the collect2 program does. */ 454extern bfd_boolean _bfd_generic_link_add_symbols_collect 455 (bfd *, struct bfd_link_info *); 456 457/* Generic archive add symbol routine. */ 458extern bfd_boolean _bfd_generic_link_add_archive_symbols 459 (bfd *, struct bfd_link_info *, 460 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); 461 462/* Forward declaration to avoid prototype errors. */ 463typedef struct bfd_link_hash_entry _bfd_link_hash_entry; 464 465/* Generic routine to add a single symbol. */ 466extern bfd_boolean _bfd_generic_link_add_one_symbol 467 (struct bfd_link_info *, bfd *, const char *name, flagword, 468 asection *, bfd_vma, const char *, bfd_boolean copy, 469 bfd_boolean constructor, struct bfd_link_hash_entry **); 470 471/* Generic routine to mark section as supplying symbols only. */ 472extern void _bfd_generic_link_just_syms 473 (asection *, struct bfd_link_info *); 474 475/* Generic link routine. */ 476extern bfd_boolean _bfd_generic_final_link 477 (bfd *, struct bfd_link_info *); 478 479extern bfd_boolean _bfd_generic_link_split_section 480 (bfd *, struct bfd_section *); 481 482extern void _bfd_generic_section_already_linked 483 (bfd *, struct bfd_section *); 484 485/* Generic reloc_link_order processing routine. */ 486extern bfd_boolean _bfd_generic_reloc_link_order 487 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 488 489/* Default link order processing routine. */ 490extern bfd_boolean _bfd_default_link_order 491 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); 492 493/* Count the number of reloc entries in a link order list. */ 494extern unsigned int _bfd_count_link_order_relocs 495 (struct bfd_link_order *); 496 497/* Final link relocation routine. */ 498extern bfd_reloc_status_type _bfd_final_link_relocate 499 (reloc_howto_type *, bfd *, asection *, bfd_byte *, 500 bfd_vma, bfd_vma, bfd_vma); 501 502/* Relocate a particular location by a howto and a value. */ 503extern bfd_reloc_status_type _bfd_relocate_contents 504 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); 505 506/* Link stabs in sections in the first pass. */ 507 508extern bfd_boolean _bfd_link_section_stabs 509 (bfd *, struct stab_info *, asection *, asection *, void **, 510 bfd_size_type *); 511 512/* Eliminate stabs for discarded functions and symbols. */ 513extern bfd_boolean _bfd_discard_section_stabs 514 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); 515 516/* Write out the .stab section when linking stabs in sections. */ 517 518extern bfd_boolean _bfd_write_section_stabs 519 (bfd *, struct stab_info *, asection *, void **, bfd_byte *); 520 521/* Write out the .stabstr string table when linking stabs in sections. */ 522 523extern bfd_boolean _bfd_write_stab_strings 524 (bfd *, struct stab_info *); 525 526/* Find an offset within a .stab section when linking stabs in 527 sections. */ 528 529extern bfd_vma _bfd_stab_section_offset 530 (asection *, void *, bfd_vma); 531 532/* Register a SEC_MERGE section as a candidate for merging. */ 533 534extern bfd_boolean _bfd_add_merge_section 535 (bfd *, void **, asection *, void **); 536 537/* Attempt to merge SEC_MERGE sections. */ 538 539extern bfd_boolean _bfd_merge_sections 540 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); 541 542/* Write out a merged section. */ 543 544extern bfd_boolean _bfd_write_merged_section 545 (bfd *, asection *, void *); 546 547/* Find an offset within a modified SEC_MERGE section. */ 548 549extern bfd_vma _bfd_merged_section_offset 550 (bfd *, asection **, void *, bfd_vma); 551 552/* Create a string table. */ 553extern struct bfd_strtab_hash *_bfd_stringtab_init 554 (void); 555 556/* Create an XCOFF .debug section style string table. */ 557extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init 558 (void); 559 560/* Free a string table. */ 561extern void _bfd_stringtab_free 562 (struct bfd_strtab_hash *); 563 564/* Get the size of a string table. */ 565extern bfd_size_type _bfd_stringtab_size 566 (struct bfd_strtab_hash *); 567 568/* Add a string to a string table. */ 569extern bfd_size_type _bfd_stringtab_add 570 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); 571 572/* Write out a string table. */ 573extern bfd_boolean _bfd_stringtab_emit 574 (bfd *, struct bfd_strtab_hash *); 575 576/* Check that endianness of input and output file match. */ 577extern bfd_boolean _bfd_generic_verify_endian_match 578 (bfd *, bfd *); 579 580/* Macros to tell if bfds are read or write enabled. 581 582 Note that bfds open for read may be scribbled into if the fd passed 583 to bfd_fdopenr is actually open both for read and write 584 simultaneously. However an output bfd will never be open for 585 read. Therefore sometimes you want to check bfd_read_p or 586 !bfd_read_p, and only sometimes bfd_write_p. 587*/ 588 589#define bfd_read_p(abfd) \ 590 ((abfd)->direction == read_direction || (abfd)->direction == both_direction) 591#define bfd_write_p(abfd) \ 592 ((abfd)->direction == write_direction || (abfd)->direction == both_direction) 593 594void bfd_assert 595 (const char*,int); 596 597#define BFD_ASSERT(x) \ 598 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) 599 600#define BFD_FAIL() \ 601 do { bfd_assert(__FILE__,__LINE__); } while (0) 602 603extern void _bfd_abort 604 (const char *, int, const char *) ATTRIBUTE_NORETURN; 605 606/* if gcc >= 2.6, we can give a function name, too */ 607#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) 608#define __PRETTY_FUNCTION__ ((char *) NULL) 609#endif 610 611#undef abort 612#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) 613 614/* Manipulate a system FILE but using BFD's "file_ptr", rather than 615 the system "off_t" or "off64_t", as the offset. */ 616extern file_ptr real_ftell (FILE *file); 617extern int real_fseek (FILE *file, file_ptr offset, int whence); 618 619FILE * bfd_cache_lookup_worker 620 (bfd *); 621 622extern bfd *bfd_last_cache; 623 624/* List of supported target vectors, and the default vector (if 625 bfd_default_vector[0] is NULL, there is no default). */ 626extern const bfd_target * const *bfd_target_vector; 627extern const bfd_target *bfd_default_vector[]; 628 629/* List of associated target vectors. */ 630extern const bfd_target * const *bfd_associated_vector; 631 632/* Functions shared by the ECOFF and MIPS ELF backends, which have no 633 other common header files. */ 634 635#if defined(__STDC__) || defined(ALMOST_STDC) 636struct ecoff_find_line; 637#endif 638 639extern bfd_boolean _bfd_ecoff_locate_line 640 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, 641 const struct ecoff_debug_swap * const, struct ecoff_find_line *, 642 const char **, const char **, unsigned int *); 643extern bfd_boolean _bfd_ecoff_get_accumulated_pdr 644 (void *, bfd_byte *); 645extern bfd_boolean _bfd_ecoff_get_accumulated_sym 646 (void *, bfd_byte *); 647extern bfd_boolean _bfd_ecoff_get_accumulated_ss 648 (void *, bfd_byte *); 649 650extern bfd_vma _bfd_get_gp_value 651 (bfd *); 652extern void _bfd_set_gp_value 653 (bfd *, bfd_vma); 654 655/* Function shared by the COFF and ELF SH backends, which have no 656 other common header files. */ 657 658#ifndef _bfd_sh_align_load_span 659extern bfd_boolean _bfd_sh_align_load_span 660 (bfd *, asection *, bfd_byte *, 661 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), 662 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); 663#endif 664 665/* This is the shape of the elements inside the already_linked hash 666 table. It maps a name onto a list of already_linked elements with 667 the same name. */ 668 669struct bfd_section_already_linked_hash_entry 670{ 671 struct bfd_hash_entry root; 672 struct bfd_section_already_linked *entry; 673}; 674 675struct bfd_section_already_linked 676{ 677 struct bfd_section_already_linked *next; 678 asection *sec; 679}; 680 681extern struct bfd_section_already_linked_hash_entry * 682 bfd_section_already_linked_table_lookup (const char *); 683extern void bfd_section_already_linked_table_insert 684 (struct bfd_section_already_linked_hash_entry *, asection *); 685extern void bfd_section_already_linked_table_traverse 686 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, 687 void *), void *); 688 689