1 /* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
4 Copyright (C) 1990-2016 Free Software Foundation, Inc.
6 Written by Cygnus Support.
8 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
31 /* If you want to read and write large blocks, you might want to do it
32 in quanta of this amount */
33 #define DEFAULT_BUFFERSIZE 8192
35 /* Set a tdata field. Can't use the other macros for this, since they
36 do casts, and casting to the left of assignment isn't portable. */
37 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
39 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
40 to an instance of this structure. */
46 /* Buffer holding contents of BFD. */
50 struct section_hash_entry
52 struct bfd_hash_entry root;
56 /* tdata for an archive. For an input archive, cache
57 needs to be free()'d. For an output archive, symdefs do. */
61 file_ptr first_file_filepos;
62 /* Speed up searching the armap */
64 bfd *archive_head; /* Only interesting in output routines. */
65 carsym *symdefs; /* The symdef entries. */
66 symindex symdef_count; /* How many there are. */
67 char *extended_names; /* Clever intel extension. */
68 bfd_size_type extended_names_size; /* Size of extended names. */
69 /* When more compilers are standard C, this can be a time_t. */
70 long armap_timestamp; /* Timestamp value written into armap.
71 This is used for BSD archives to check
72 that the timestamp is recent enough
73 for the BSD linker to not complain,
74 just before we finish writing an
76 file_ptr armap_datepos; /* Position within archive to seek to
77 rewrite the date field. */
78 void *tdata; /* Backend specific information. */
81 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
83 /* Goes in bfd's arelt_data slot */
86 char * arch_header; /* It's actually a string. */
87 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */
88 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */
89 char *filename; /* Null-terminated. */
90 file_ptr origin; /* For element of a thin archive. */
91 void *parent_cache; /* Where and how to find this member. */
95 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
97 extern void *bfd_malloc
99 extern void *bfd_realloc
100 (void *, bfd_size_type);
101 extern void *bfd_realloc_or_free
102 (void *, bfd_size_type);
103 extern void *bfd_zmalloc
105 extern void *bfd_malloc2
106 (bfd_size_type, bfd_size_type);
107 extern void *bfd_realloc2
108 (void *, bfd_size_type, bfd_size_type);
109 extern void *bfd_zmalloc2
110 (bfd_size_type, bfd_size_type);
112 extern void _bfd_default_error_handler (const char *s, ...);
113 extern bfd_error_handler_type _bfd_error_handler;
114 extern bfd_assert_handler_type _bfd_assert_handler;
116 /* These routines allocate and free things on the BFD's objalloc. */
118 extern void *bfd_alloc2
119 (bfd *, bfd_size_type, bfd_size_type);
120 extern void *bfd_zalloc2
121 (bfd *, bfd_size_type, bfd_size_type);
122 extern void bfd_release
125 bfd * _bfd_create_empty_archive_element_shell
127 bfd * _bfd_look_for_bfd_in_cache
129 bfd_boolean _bfd_add_bfd_to_archive_cache
130 (bfd *, file_ptr, bfd *);
131 bfd_boolean _bfd_generic_mkarchive
133 char *_bfd_append_relative_path
134 (bfd *arch, char *elt_name);
135 const bfd_target *bfd_generic_archive_p
137 bfd_boolean bfd_slurp_armap
139 bfd_boolean bfd_slurp_bsd_armap_f2
141 #define bfd_slurp_bsd_armap bfd_slurp_armap
142 #define bfd_slurp_coff_armap bfd_slurp_armap
143 bfd_boolean _bfd_archive_64_bit_slurp_armap
145 bfd_boolean _bfd_archive_64_bit_write_armap
146 (bfd *, unsigned int, struct orl *, unsigned int, int);
147 #define _bfd_archive_64_bit_slurp_extended_name_table \
148 _bfd_slurp_extended_name_table
149 #define _bfd_archive_64_bit_construct_extended_name_table \
150 _bfd_archive_coff_construct_extended_name_table
151 #define _bfd_archive_64_bit_truncate_arname \
152 bfd_dont_truncate_arname
153 #define _bfd_archive_64_bit_read_ar_hdr \
154 _bfd_generic_read_ar_hdr
155 #define _bfd_archive_64_bit_write_ar_hdr \
156 _bfd_generic_write_ar_hdr
157 #define _bfd_archive_64_bit_openr_next_archived_file \
158 bfd_generic_openr_next_archived_file
159 #define _bfd_archive_64_bit_get_elt_at_index \
160 _bfd_generic_get_elt_at_index
161 #define _bfd_archive_64_bit_generic_stat_arch_elt \
162 bfd_generic_stat_arch_elt
163 #define _bfd_archive_64_bit_update_armap_timestamp \
166 bfd_boolean _bfd_slurp_extended_name_table
168 extern bfd_boolean _bfd_construct_extended_name_table
169 (bfd *, bfd_boolean, char **, bfd_size_type *);
170 bfd_boolean _bfd_write_archive_contents
172 bfd_boolean _bfd_compute_and_write_armap
173 (bfd *, unsigned int elength);
174 bfd *_bfd_get_elt_at_filepos
175 (bfd *archive, file_ptr filepos);
176 extern bfd *_bfd_generic_get_elt_at_index
180 bfd_boolean _bfd_free_cached_info
183 bfd_boolean bfd_false
187 void *bfd_nullvoidptr
200 bfd *_bfd_new_bfd_contained_in
202 const bfd_target *_bfd_dummy_target
205 void bfd_dont_truncate_arname
206 (bfd *abfd, const char *filename, char *hdr);
207 void bfd_bsd_truncate_arname
208 (bfd *abfd, const char *filename, char *hdr);
209 void bfd_gnu_truncate_arname
210 (bfd *abfd, const char *filename, char *hdr);
212 bfd_boolean bsd_write_armap
213 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
216 bfd_boolean coff_write_armap
217 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
220 extern void *_bfd_generic_read_ar_hdr
222 extern void _bfd_ar_spacepad
223 (char *, size_t, const char *, long);
224 extern bfd_boolean _bfd_ar_sizepad
225 (char *, size_t, bfd_size_type);
227 extern void *_bfd_generic_read_ar_hdr_mag
228 (bfd *, const char *);
230 extern bfd_boolean _bfd_generic_write_ar_hdr
233 extern bfd_boolean _bfd_bsd44_write_ar_hdr
236 bfd * bfd_generic_openr_next_archived_file
237 (bfd *archive, bfd *last_file);
239 int bfd_generic_stat_arch_elt
240 (bfd *, struct stat *);
242 #define _bfd_read_ar_hdr(abfd) \
243 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
244 #define _bfd_write_ar_hdr(archive, abfd) \
245 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
247 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
248 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
250 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
251 extern bfd_boolean _bfd_archive_close_and_cleanup
253 #define _bfd_generic_bfd_free_cached_info bfd_true
254 extern bfd_boolean _bfd_generic_new_section_hook
256 extern bfd_boolean _bfd_generic_get_section_contents
257 (bfd *, asection *, void *, file_ptr, bfd_size_type);
258 extern bfd_boolean _bfd_generic_get_section_contents_in_window
259 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
261 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
262 BFD_JUMP_TABLE_COPY (_bfd_generic). */
264 #define _bfd_generic_bfd_copy_private_bfd_data \
265 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
266 #define _bfd_generic_bfd_merge_private_bfd_data \
267 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
268 #define _bfd_generic_bfd_set_private_flags \
269 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
270 #define _bfd_generic_bfd_copy_private_section_data \
271 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
272 #define _bfd_generic_bfd_copy_private_symbol_data \
273 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
274 #define _bfd_generic_bfd_copy_private_header_data \
275 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
276 #define _bfd_generic_bfd_print_private_bfd_data \
277 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
279 extern bfd_boolean _bfd_generic_init_private_section_data
280 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
282 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
283 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
285 extern char *_bfd_nocore_core_file_failing_command
287 extern int _bfd_nocore_core_file_failing_signal
289 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
291 extern int _bfd_nocore_core_file_pid
294 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
295 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
297 #define _bfd_noarchive_slurp_armap bfd_false
298 #define _bfd_noarchive_slurp_extended_name_table bfd_false
299 #define _bfd_noarchive_construct_extended_name_table \
300 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
302 #define _bfd_noarchive_truncate_arname \
303 ((void (*) (bfd *, const char *, char *)) bfd_void)
304 #define _bfd_noarchive_write_armap \
305 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
307 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
308 #define _bfd_noarchive_write_ar_hdr \
309 ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
310 #define _bfd_noarchive_openr_next_archived_file \
311 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
312 #define _bfd_noarchive_get_elt_at_index \
313 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
314 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
315 #define _bfd_noarchive_update_armap_timestamp bfd_false
317 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
318 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
320 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
321 #define _bfd_archive_bsd_slurp_extended_name_table \
322 _bfd_slurp_extended_name_table
323 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
324 (bfd *, char **, bfd_size_type *, const char **);
325 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
326 #define _bfd_archive_bsd_write_armap bsd_write_armap
327 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
328 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
329 #define _bfd_archive_bsd_openr_next_archived_file \
330 bfd_generic_openr_next_archived_file
331 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
332 #define _bfd_archive_bsd_generic_stat_arch_elt \
333 bfd_generic_stat_arch_elt
334 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
337 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
338 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
340 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
341 #define _bfd_archive_coff_slurp_extended_name_table \
342 _bfd_slurp_extended_name_table
343 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
344 (bfd *, char **, bfd_size_type *, const char **);
345 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
346 #define _bfd_archive_coff_write_armap coff_write_armap
347 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
348 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
349 #define _bfd_archive_coff_openr_next_archived_file \
350 bfd_generic_openr_next_archived_file
351 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
352 #define _bfd_archive_coff_generic_stat_arch_elt \
353 bfd_generic_stat_arch_elt
354 #define _bfd_archive_coff_update_armap_timestamp bfd_true
356 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
357 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
359 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
360 #define _bfd_archive_bsd44_slurp_extended_name_table \
361 _bfd_slurp_extended_name_table
362 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
363 (bfd *, char **, bfd_size_type *, const char **);
364 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
365 #define _bfd_archive_bsd44_write_armap bsd_write_armap
366 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
367 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
368 #define _bfd_archive_bsd44_openr_next_archived_file \
369 bfd_generic_openr_next_archived_file
370 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
371 #define _bfd_archive_bsd44_generic_stat_arch_elt \
372 bfd_generic_stat_arch_elt
373 #define _bfd_archive_bsd44_update_armap_timestamp \
374 _bfd_archive_bsd_update_armap_timestamp
376 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
377 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
378 are irrelevant and never called, so defined as NULL. */
380 extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch);
381 #define _bfd_vms_lib_slurp_armap NULL
382 #define _bfd_vms_lib_slurp_extended_name_table NULL
383 #define _bfd_vms_lib_construct_extended_name_table NULL
384 #define _bfd_vms_lib_truncate_arname NULL
385 #define _bfd_vms_lib_write_armap NULL
386 #define _bfd_vms_lib_read_ar_hdr NULL
387 #define _bfd_vms_lib_write_ar_hdr NULL
388 extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
389 extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
390 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
391 #define _bfd_vms_lib_update_armap_timestamp bfd_true
393 /* Extra routines for VMS style archives. */
395 extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
396 extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
397 extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd);
398 extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd);
399 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd);
400 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd);
402 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
403 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
405 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
406 #define _bfd_nosymbols_canonicalize_symtab \
407 ((long (*) (bfd *, asymbol **)) _bfd_n1)
408 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
409 #define _bfd_nosymbols_print_symbol \
410 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
411 #define _bfd_nosymbols_get_symbol_info \
412 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
413 #define _bfd_nosymbols_get_symbol_version_string \
414 ((const char *(*) (bfd *, asymbol *, bfd_boolean *)) bfd_nullvoidptr)
415 #define _bfd_nosymbols_bfd_is_local_label_name \
416 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
417 #define _bfd_nosymbols_bfd_is_target_special_symbol \
418 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
419 #define _bfd_nosymbols_get_lineno \
420 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
421 #define _bfd_nosymbols_find_nearest_line \
422 ((bfd_boolean (*) (bfd *, asymbol **, asection *, bfd_vma, \
423 const char **, const char **, unsigned int *, \
426 #define _bfd_nosymbols_find_line \
427 ((bfd_boolean (*) (bfd *, asymbol **, asymbol *, \
428 const char **, unsigned int *)) \
430 #define _bfd_nosymbols_find_inliner_info \
431 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
433 #define _bfd_nosymbols_bfd_make_debug_symbol \
434 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
435 #define _bfd_nosymbols_read_minisymbols \
436 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
437 #define _bfd_nosymbols_minisymbol_to_symbol \
438 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
441 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
442 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
444 extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
445 extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
446 arelent **, asymbol **);
447 #define _bfd_norelocs_bfd_reloc_type_lookup \
448 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
449 #define _bfd_norelocs_bfd_reloc_name_lookup \
450 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
452 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
453 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
455 #define _bfd_nowrite_set_arch_mach \
456 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
458 #define _bfd_nowrite_set_section_contents \
459 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
462 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
463 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
465 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
466 extern bfd_boolean _bfd_generic_set_section_contents
467 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
469 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
470 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
472 #define _bfd_nolink_sizeof_headers \
473 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
474 #define _bfd_nolink_bfd_get_relocated_section_contents \
475 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
476 bfd_byte *, bfd_boolean, asymbol **)) \
478 #define _bfd_nolink_bfd_relax_section \
480 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
482 #define _bfd_nolink_bfd_gc_sections \
483 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
485 #define _bfd_nolink_bfd_lookup_section_flags \
486 ((bfd_boolean (*) (struct bfd_link_info *, struct flag_info *, asection *)) \
488 #define _bfd_nolink_bfd_merge_sections \
489 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
491 #define _bfd_nolink_bfd_is_group_section \
492 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
494 #define _bfd_nolink_bfd_discard_group \
495 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
497 #define _bfd_nolink_bfd_link_hash_table_create \
498 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
499 #define _bfd_nolink_bfd_link_add_symbols \
500 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
501 #define _bfd_nolink_bfd_link_just_syms \
502 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
503 #define _bfd_nolink_bfd_copy_link_hash_symbol_type \
504 ((void (*) (bfd *, struct bfd_link_hash_entry *, \
505 struct bfd_link_hash_entry *)) bfd_void)
506 #define _bfd_nolink_bfd_final_link \
507 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
508 #define _bfd_nolink_bfd_link_split_section \
509 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
510 #define _bfd_nolink_section_already_linked \
511 ((bfd_boolean (*) (bfd *, asection *, \
512 struct bfd_link_info *)) bfd_false)
513 #define _bfd_nolink_bfd_define_common_symbol \
514 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
515 struct bfd_link_hash_entry *)) bfd_false)
516 #define _bfd_nolink_bfd_link_check_relocs \
517 _bfd_generic_link_check_relocs
519 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
520 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
523 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
524 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
525 ((long (*) (bfd *, asymbol **)) _bfd_n1)
526 #define _bfd_nodynamic_get_synthetic_symtab \
527 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
528 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
529 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
530 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
532 /* Generic routine to determine of the given symbol is a local
534 extern bfd_boolean bfd_generic_is_local_label_name
535 (bfd *, const char *);
537 /* Generic minisymbol routines. */
538 extern long _bfd_generic_read_minisymbols
539 (bfd *, bfd_boolean, void **, unsigned int *);
540 extern asymbol *_bfd_generic_minisymbol_to_symbol
541 (bfd *, bfd_boolean, const void *, asymbol *);
543 /* Find the nearest line using .stab/.stabstr sections. */
544 extern bfd_boolean _bfd_stab_section_find_nearest_line
545 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
546 const char **, const char **, unsigned int *, void **);
548 /* Find the nearest line using DWARF 1 debugging information. */
549 extern bfd_boolean _bfd_dwarf1_find_nearest_line
550 (bfd *, asymbol **, asection *, bfd_vma,
551 const char **, const char **, unsigned int *);
553 struct dwarf_debug_section
555 const char *uncompressed_name;
556 const char *compressed_name;
559 /* Map of uncompressed DWARF debug section name to compressed one. It
560 is terminated by NULL uncompressed_name. */
562 extern const struct dwarf_debug_section dwarf_debug_sections[];
564 /* Find the nearest line using DWARF 2 debugging information. */
565 extern bfd_boolean _bfd_dwarf2_find_nearest_line
566 (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
567 const char **, const char **, unsigned int *, unsigned int *,
568 const struct dwarf_debug_section *, unsigned int, void **);
570 /* Find the bias between DWARF addresses and real addresses. */
571 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
572 (asymbol **, void **);
574 /* Find inliner info after calling bfd_find_nearest_line. */
575 extern bfd_boolean _bfd_dwarf2_find_inliner_info
576 (bfd *, const char **, const char **, unsigned int *, void **);
578 /* Read DWARF 2 debugging information. */
579 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
580 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
583 /* Clean up the data used to handle DWARF 2 debugging information. */
584 extern void _bfd_dwarf2_cleanup_debug_info
587 /* Create a new section entry. */
588 extern struct bfd_hash_entry *bfd_section_hash_newfunc
589 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
591 /* A routine to create entries for a bfd_link_hash_table. */
592 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
593 (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
596 /* Initialize a bfd_link_hash_table. */
597 extern bfd_boolean _bfd_link_hash_table_init
598 (struct bfd_link_hash_table *, bfd *,
599 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
600 struct bfd_hash_table *,
604 /* Generic link hash table creation routine. */
605 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
608 /* Generic link hash table destruction routine. */
609 extern void _bfd_generic_link_hash_table_free
612 /* Generic add symbol routine. */
613 extern bfd_boolean _bfd_generic_link_add_symbols
614 (bfd *, struct bfd_link_info *);
616 /* Generic add symbol routine. This version is used by targets for
617 which the linker must collect constructors and destructors by name,
618 as the collect2 program does. */
619 extern bfd_boolean _bfd_generic_link_add_symbols_collect
620 (bfd *, struct bfd_link_info *);
622 /* Generic archive add symbol routine. */
623 extern bfd_boolean _bfd_generic_link_add_archive_symbols
624 (bfd *, struct bfd_link_info *,
625 bfd_boolean (*) (bfd *, struct bfd_link_info *,
626 struct bfd_link_hash_entry *, const char *,
629 /* Forward declaration to avoid prototype errors. */
630 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
632 /* Generic routine to add a single symbol. */
633 extern bfd_boolean _bfd_generic_link_add_one_symbol
634 (struct bfd_link_info *, bfd *, const char *name, flagword,
635 asection *, bfd_vma, const char *, bfd_boolean copy,
636 bfd_boolean constructor, struct bfd_link_hash_entry **);
638 /* Generic routine to mark section as supplying symbols only. */
639 extern void _bfd_generic_link_just_syms
640 (asection *, struct bfd_link_info *);
642 /* Generic routine that does nothing. */
643 extern void _bfd_generic_copy_link_hash_symbol_type
644 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
646 /* Generic link routine. */
647 extern bfd_boolean _bfd_generic_final_link
648 (bfd *, struct bfd_link_info *);
650 extern bfd_boolean _bfd_generic_link_split_section
651 (bfd *, struct bfd_section *);
653 extern bfd_boolean _bfd_generic_section_already_linked
654 (bfd *, asection *, struct bfd_link_info *);
656 /* Generic reloc_link_order processing routine. */
657 extern bfd_boolean _bfd_generic_reloc_link_order
658 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
660 /* Default link order processing routine. */
661 extern bfd_boolean _bfd_default_link_order
662 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
664 /* Count the number of reloc entries in a link order list. */
665 extern unsigned int _bfd_count_link_order_relocs
666 (struct bfd_link_order *);
668 /* Final link relocation routine. */
669 extern bfd_reloc_status_type _bfd_final_link_relocate
670 (reloc_howto_type *, bfd *, asection *, bfd_byte *,
671 bfd_vma, bfd_vma, bfd_vma);
673 /* Relocate a particular location by a howto and a value. */
674 extern bfd_reloc_status_type _bfd_relocate_contents
675 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
677 /* Clear a given location using a given howto. */
678 extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
679 asection *input_section, bfd_byte *location);
681 /* Link stabs in sections in the first pass. */
683 extern bfd_boolean _bfd_link_section_stabs
684 (bfd *, struct stab_info *, asection *, asection *, void **,
687 /* Eliminate stabs for discarded functions and symbols. */
688 extern bfd_boolean _bfd_discard_section_stabs
689 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
691 /* Write out the .stab section when linking stabs in sections. */
693 extern bfd_boolean _bfd_write_section_stabs
694 (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
696 /* Write out the .stabstr string table when linking stabs in sections. */
698 extern bfd_boolean _bfd_write_stab_strings
699 (bfd *, struct stab_info *);
701 /* Find an offset within a .stab section when linking stabs in
704 extern bfd_vma _bfd_stab_section_offset
705 (asection *, void *, bfd_vma);
707 /* Register a SEC_MERGE section as a candidate for merging. */
709 extern bfd_boolean _bfd_add_merge_section
710 (bfd *, void **, asection *, void **);
712 /* Attempt to merge SEC_MERGE sections. */
714 extern bfd_boolean _bfd_merge_sections
715 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
717 /* Write out a merged section. */
719 extern bfd_boolean _bfd_write_merged_section
720 (bfd *, asection *, void *);
722 /* Find an offset within a modified SEC_MERGE section. */
724 extern bfd_vma _bfd_merged_section_offset
725 (bfd *, asection **, void *, bfd_vma);
727 /* Tidy up when done. */
729 extern void _bfd_merge_sections_free (void *);
731 /* Create a string table. */
732 extern struct bfd_strtab_hash *_bfd_stringtab_init
735 /* Create an XCOFF .debug section style string table. */
736 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
739 /* Free a string table. */
740 extern void _bfd_stringtab_free
741 (struct bfd_strtab_hash *);
743 /* Get the size of a string table. */
744 extern bfd_size_type _bfd_stringtab_size
745 (struct bfd_strtab_hash *);
747 /* Add a string to a string table. */
748 extern bfd_size_type _bfd_stringtab_add
749 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
751 /* Write out a string table. */
752 extern bfd_boolean _bfd_stringtab_emit
753 (bfd *, struct bfd_strtab_hash *);
755 /* Check that endianness of input and output file match. */
756 extern bfd_boolean _bfd_generic_verify_endian_match
759 /* Macros to tell if bfds are read or write enabled.
761 Note that bfds open for read may be scribbled into if the fd passed
762 to bfd_fdopenr is actually open both for read and write
763 simultaneously. However an output bfd will never be open for
764 read. Therefore sometimes you want to check bfd_read_p or
765 !bfd_read_p, and only sometimes bfd_write_p.
768 #define bfd_read_p(abfd) \
769 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
770 #define bfd_write_p(abfd) \
771 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
776 #define BFD_ASSERT(x) \
777 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
780 do { bfd_assert(__FILE__,__LINE__); } while (0)
782 extern void _bfd_abort
783 (const char *, int, const char *) ATTRIBUTE_NORETURN;
785 /* if gcc >= 2.6, we can give a function name, too */
786 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
787 #define __PRETTY_FUNCTION__ ((char *) NULL)
791 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
793 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
794 the system "off_t" or "off64_t", as the offset. */
795 extern file_ptr real_ftell (FILE *file);
796 extern int real_fseek (FILE *file, file_ptr offset, int whence);
797 extern FILE *real_fopen (const char *filename, const char *modes);
799 /* List of supported target vectors, and the default vector (if
800 bfd_default_vector[0] is NULL, there is no default). */
801 extern const bfd_target * const *bfd_target_vector;
802 extern const bfd_target *bfd_default_vector[];
804 /* List of associated target vectors. */
805 extern const bfd_target * const *bfd_associated_vector;
807 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
808 other common header files. */
810 #if defined(__STDC__) || defined(ALMOST_STDC)
811 struct ecoff_find_line;
814 extern bfd_boolean _bfd_ecoff_locate_line
815 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
816 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
817 const char **, const char **, unsigned int *);
818 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
819 (void *, bfd_byte *);
820 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
821 (void *, bfd_byte *);
822 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
823 (void *, bfd_byte *);
825 extern bfd_vma _bfd_get_gp_value
827 extern void _bfd_set_gp_value
830 /* Function shared by the COFF and ELF SH backends, which have no
831 other common header files. */
833 #ifndef _bfd_sh_align_load_span
834 extern bfd_boolean _bfd_sh_align_load_span
835 (bfd *, asection *, bfd_byte *,
836 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
837 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
840 /* This is the shape of the elements inside the already_linked hash
841 table. It maps a name onto a list of already_linked elements with
844 struct bfd_section_already_linked_hash_entry
846 struct bfd_hash_entry root;
847 struct bfd_section_already_linked *entry;
850 struct bfd_section_already_linked
852 struct bfd_section_already_linked *next;
856 extern struct bfd_section_already_linked_hash_entry *
857 bfd_section_already_linked_table_lookup (const char *);
858 extern bfd_boolean bfd_section_already_linked_table_insert
859 (struct bfd_section_already_linked_hash_entry *, asection *);
860 extern void bfd_section_already_linked_table_traverse
861 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
864 extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
865 extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
866 extern bfd_vma safe_read_leb128 (bfd *, bfd_byte *, unsigned int *,
867 bfd_boolean, const bfd_byte * const);