1 /* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
4 Copyright (C) 1990-2018 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_error_handler (const char *s, ...);
114 /* These routines allocate and free things on the BFD's objalloc. */
116 extern void *bfd_alloc2
117 (bfd *, bfd_size_type, bfd_size_type);
118 extern void *bfd_zalloc2
119 (bfd *, bfd_size_type, bfd_size_type);
120 extern void bfd_release
123 bfd * _bfd_create_empty_archive_element_shell
125 bfd * _bfd_look_for_bfd_in_cache
127 bfd_boolean _bfd_add_bfd_to_archive_cache
128 (bfd *, file_ptr, bfd *);
129 bfd_boolean _bfd_generic_mkarchive
131 char *_bfd_append_relative_path
133 const bfd_target *bfd_generic_archive_p
135 bfd_boolean bfd_slurp_armap
137 bfd_boolean bfd_slurp_bsd_armap_f2
139 #define bfd_slurp_bsd_armap bfd_slurp_armap
140 #define bfd_slurp_coff_armap bfd_slurp_armap
141 bfd_boolean _bfd_archive_64_bit_slurp_armap
143 bfd_boolean _bfd_archive_64_bit_write_armap
144 (bfd *, unsigned int, struct orl *, unsigned int, int);
145 #define _bfd_archive_64_bit_slurp_extended_name_table \
146 _bfd_slurp_extended_name_table
147 #define _bfd_archive_64_bit_construct_extended_name_table \
148 _bfd_archive_coff_construct_extended_name_table
149 #define _bfd_archive_64_bit_truncate_arname \
150 bfd_dont_truncate_arname
151 #define _bfd_archive_64_bit_read_ar_hdr \
152 _bfd_generic_read_ar_hdr
153 #define _bfd_archive_64_bit_write_ar_hdr \
154 _bfd_generic_write_ar_hdr
155 #define _bfd_archive_64_bit_openr_next_archived_file \
156 bfd_generic_openr_next_archived_file
157 #define _bfd_archive_64_bit_get_elt_at_index \
158 _bfd_generic_get_elt_at_index
159 #define _bfd_archive_64_bit_generic_stat_arch_elt \
160 bfd_generic_stat_arch_elt
161 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true
163 bfd_boolean _bfd_slurp_extended_name_table
165 extern bfd_boolean _bfd_construct_extended_name_table
166 (bfd *, bfd_boolean, char **, bfd_size_type *);
167 bfd_boolean _bfd_write_archive_contents
169 bfd_boolean _bfd_compute_and_write_armap
170 (bfd *, unsigned int);
171 bfd *_bfd_get_elt_at_filepos
173 extern bfd *_bfd_generic_get_elt_at_index
177 bfd_boolean _bfd_free_cached_info
180 extern bfd_boolean _bfd_bool_bfd_false
182 extern bfd_boolean _bfd_bool_bfd_asymbol_false
184 extern bfd_boolean _bfd_bool_bfd_false_error
186 extern bfd_boolean _bfd_bool_bfd_link_false_error
187 (bfd *, struct bfd_link_info *);
188 extern bfd_boolean _bfd_bool_bfd_true
190 extern bfd_boolean _bfd_bool_bfd_link_true
191 (bfd *, struct bfd_link_info *);
192 extern bfd_boolean _bfd_bool_bfd_bfd_true
194 extern bfd_boolean _bfd_bool_bfd_uint_true
195 (bfd *, unsigned int);
196 extern bfd_boolean _bfd_bool_bfd_asection_bfd_asection_true
197 (bfd *, asection *, bfd *, asection *);
198 extern bfd_boolean _bfd_bool_bfd_asymbol_bfd_asymbol_true
199 (bfd *, asymbol *, bfd *, asymbol *);
200 extern bfd_boolean _bfd_bool_bfd_ptr_true
202 extern void *_bfd_ptr_bfd_null_error
204 extern int _bfd_int_bfd_0
206 extern unsigned int _bfd_uint_bfd_0
208 extern long _bfd_long_bfd_0
210 extern long _bfd_long_bfd_n1_error
212 extern void _bfd_void_bfd
214 extern void _bfd_void_bfd_link
215 (bfd *, struct bfd_link_info *);
216 extern void _bfd_void_bfd_asection
219 bfd *_bfd_new_bfd_contained_in
221 const bfd_target *_bfd_dummy_target
224 void bfd_dont_truncate_arname
225 (bfd *, const char *, char *);
226 void bfd_bsd_truncate_arname
227 (bfd *, const char *, char *);
228 void bfd_gnu_truncate_arname
229 (bfd *, const char *, char *);
231 bfd_boolean _bfd_bsd_write_armap
232 (bfd *, unsigned int, struct orl *, unsigned int, int);
234 bfd_boolean _bfd_coff_write_armap
235 (bfd *, unsigned int, struct orl *, unsigned int, int);
237 extern void *_bfd_generic_read_ar_hdr
239 extern void _bfd_ar_spacepad
240 (char *, size_t, const char *, long);
241 extern bfd_boolean _bfd_ar_sizepad
242 (char *, size_t, bfd_size_type);
244 extern void *_bfd_generic_read_ar_hdr_mag
245 (bfd *, const char *);
247 extern bfd_boolean _bfd_generic_write_ar_hdr
250 extern bfd_boolean _bfd_bsd44_write_ar_hdr
253 bfd * bfd_generic_openr_next_archived_file
256 int bfd_generic_stat_arch_elt
257 (bfd *, struct stat *);
259 #define _bfd_read_ar_hdr(abfd) \
260 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
261 #define _bfd_write_ar_hdr(archive, abfd) \
262 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
264 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
265 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
267 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
268 extern bfd_boolean _bfd_archive_close_and_cleanup
270 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true
271 extern bfd_boolean _bfd_generic_new_section_hook
273 extern bfd_boolean _bfd_generic_get_section_contents
274 (bfd *, asection *, void *, file_ptr, bfd_size_type);
275 extern bfd_boolean _bfd_generic_get_section_contents_in_window
276 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
278 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
279 BFD_JUMP_TABLE_COPY (_bfd_generic). */
281 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
282 #define _bfd_generic_bfd_merge_private_bfd_data \
283 _bfd_bool_bfd_link_true
284 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
285 #define _bfd_generic_bfd_copy_private_section_data \
286 _bfd_bool_bfd_asection_bfd_asection_true
287 #define _bfd_generic_bfd_copy_private_symbol_data \
288 _bfd_bool_bfd_asymbol_bfd_asymbol_true
289 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
290 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
292 extern bfd_boolean _bfd_generic_init_private_section_data
293 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
295 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
296 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
298 extern char *_bfd_nocore_core_file_failing_command
300 extern int _bfd_nocore_core_file_failing_signal
302 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
304 extern int _bfd_nocore_core_file_pid
307 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
308 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
310 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
311 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
312 extern bfd_boolean _bfd_noarchive_construct_extended_name_table
313 (bfd *, char **, bfd_size_type *, const char **);
314 extern void _bfd_noarchive_truncate_arname
315 (bfd *, const char *, char *);
316 extern bfd_boolean _bfd_noarchive_write_armap
317 (bfd *, unsigned int, struct orl *, unsigned int, int);
318 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
319 extern bfd_boolean _bfd_noarchive_write_ar_hdr
322 _bfd_noarchive_openr_next_archived_file
324 extern bfd * _bfd_noarchive_get_elt_at_index
326 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
327 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
329 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
330 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
332 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
333 #define _bfd_archive_bsd_slurp_extended_name_table \
334 _bfd_slurp_extended_name_table
335 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
336 (bfd *, char **, bfd_size_type *, const char **);
337 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
338 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
339 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
340 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
341 #define _bfd_archive_bsd_openr_next_archived_file \
342 bfd_generic_openr_next_archived_file
343 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
344 #define _bfd_archive_bsd_generic_stat_arch_elt \
345 bfd_generic_stat_arch_elt
346 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
349 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
350 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
352 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
353 #define _bfd_archive_coff_slurp_extended_name_table \
354 _bfd_slurp_extended_name_table
355 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
356 (bfd *, char **, bfd_size_type *, const char **);
357 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
358 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
359 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
360 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
361 #define _bfd_archive_coff_openr_next_archived_file \
362 bfd_generic_openr_next_archived_file
363 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
364 #define _bfd_archive_coff_generic_stat_arch_elt \
365 bfd_generic_stat_arch_elt
366 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
368 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
369 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
371 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
372 #define _bfd_archive_bsd44_slurp_extended_name_table \
373 _bfd_slurp_extended_name_table
374 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
375 (bfd *, char **, bfd_size_type *, const char **);
376 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
377 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
378 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
379 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
380 #define _bfd_archive_bsd44_openr_next_archived_file \
381 bfd_generic_openr_next_archived_file
382 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
383 #define _bfd_archive_bsd44_generic_stat_arch_elt \
384 bfd_generic_stat_arch_elt
385 #define _bfd_archive_bsd44_update_armap_timestamp \
386 _bfd_archive_bsd_update_armap_timestamp
388 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
389 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
392 extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *);
393 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
394 #define _bfd_vms_lib_slurp_extended_name_table \
395 _bfd_noarchive_slurp_extended_name_table
396 #define _bfd_vms_lib_construct_extended_name_table \
397 _bfd_noarchive_construct_extended_name_table
398 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
399 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
400 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
401 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
402 extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
403 extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
404 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
405 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
407 /* Extra routines for VMS style archives. */
409 extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
410 extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
411 extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *);
412 extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *);
413 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *);
414 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *);
416 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
417 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
419 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
420 extern long _bfd_nosymbols_canonicalize_symtab
422 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
423 extern void _bfd_nosymbols_print_symbol
424 (bfd *, void *, asymbol *, bfd_print_symbol_type);
425 extern void _bfd_nosymbols_get_symbol_info
426 (bfd *, asymbol *, symbol_info *);
427 extern const char * _bfd_nosymbols_get_symbol_version_string
428 (bfd *, asymbol *, bfd_boolean *);
429 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name
430 (bfd *, const char *);
431 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
432 extern alent *_bfd_nosymbols_get_lineno
434 extern bfd_boolean _bfd_nosymbols_find_nearest_line
435 (bfd *, asymbol **, asection *, bfd_vma,
436 const char **, const char **, unsigned int *, unsigned int *);
437 extern bfd_boolean _bfd_nosymbols_find_line
438 (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
439 extern bfd_boolean _bfd_nosymbols_find_inliner_info
440 (bfd *, const char **, const char **, unsigned int *);
441 extern asymbol *_bfd_nosymbols_bfd_make_debug_symbol
442 (bfd *, void *, unsigned long);
443 extern long _bfd_nosymbols_read_minisymbols
444 (bfd *, bfd_boolean, void **, unsigned int *);
445 extern asymbol *_bfd_nosymbols_minisymbol_to_symbol
446 (bfd *, bfd_boolean, const void *, asymbol *);
448 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
449 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
451 extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
452 extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
453 arelent **, asymbol **);
454 extern void _bfd_norelocs_set_reloc (bfd *, asection *,
455 arelent **, unsigned int);
456 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_type_lookup
457 (bfd *, bfd_reloc_code_real_type);
458 extern reloc_howto_type *_bfd_norelocs_bfd_reloc_name_lookup
459 (bfd *, const char *);
461 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
462 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
464 extern bfd_boolean _bfd_nowrite_set_arch_mach
465 (bfd *, enum bfd_architecture, unsigned long);
466 extern bfd_boolean _bfd_nowrite_set_section_contents
467 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
469 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
470 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
472 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
473 extern bfd_boolean _bfd_generic_set_section_contents
474 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
476 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
477 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
479 extern int _bfd_nolink_sizeof_headers
480 (bfd *, struct bfd_link_info *);
481 extern bfd_byte *_bfd_nolink_bfd_get_relocated_section_contents
482 (bfd *, struct bfd_link_info *, struct bfd_link_order *,
483 bfd_byte *, bfd_boolean, asymbol **);
484 extern bfd_boolean _bfd_nolink_bfd_relax_section
485 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *);
486 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
487 extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags
488 (struct bfd_link_info *, struct flag_info *, asection *);
489 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
490 extern bfd_boolean _bfd_nolink_bfd_is_group_section
491 (bfd *, const asection *);
492 extern bfd_boolean _bfd_nolink_bfd_discard_group
494 extern struct bfd_link_hash_table *_bfd_nolink_bfd_link_hash_table_create
496 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
497 extern void _bfd_nolink_bfd_link_just_syms
498 (asection *, struct bfd_link_info *);
499 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
500 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
501 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
502 extern bfd_boolean _bfd_nolink_bfd_link_split_section
503 (bfd *, struct bfd_section *);
504 extern bfd_boolean _bfd_nolink_section_already_linked
505 (bfd *, asection *, struct bfd_link_info *);
506 extern bfd_boolean _bfd_nolink_bfd_define_common_symbol
507 (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
508 extern struct bfd_link_hash_entry *_bfd_nolink_bfd_define_start_stop
509 (struct bfd_link_info *, const char *, asection *);
510 #define _bfd_nolink_bfd_link_check_relocs \
511 _bfd_generic_link_check_relocs
513 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
514 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
517 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
518 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
519 _bfd_nosymbols_canonicalize_symtab
520 extern long _bfd_nodynamic_get_synthetic_symtab
521 (bfd *, long, asymbol **, long, asymbol **, asymbol **);
522 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
523 extern long _bfd_nodynamic_canonicalize_dynamic_reloc
524 (bfd *, arelent **, asymbol **);
526 /* Generic routine to determine of the given symbol is a local
528 extern bfd_boolean bfd_generic_is_local_label_name
529 (bfd *, const char *);
531 /* Generic minisymbol routines. */
532 extern long _bfd_generic_read_minisymbols
533 (bfd *, bfd_boolean, void **, unsigned int *);
534 extern asymbol *_bfd_generic_minisymbol_to_symbol
535 (bfd *, bfd_boolean, const void *, asymbol *);
537 /* Find the nearest line using .stab/.stabstr sections. */
538 extern bfd_boolean _bfd_stab_section_find_nearest_line
539 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
540 const char **, const char **, unsigned int *, void **);
542 /* Find the nearest line using DWARF 1 debugging information. */
543 extern bfd_boolean _bfd_dwarf1_find_nearest_line
544 (bfd *, asymbol **, asection *, bfd_vma,
545 const char **, const char **, unsigned int *);
547 struct dwarf_debug_section
549 const char * uncompressed_name;
550 const char * compressed_name;
553 /* Map of uncompressed DWARF debug section name to compressed one. It
554 is terminated by NULL uncompressed_name. */
556 extern const struct dwarf_debug_section dwarf_debug_sections[];
558 /* Find the nearest line using DWARF 2 debugging information. */
559 extern bfd_boolean _bfd_dwarf2_find_nearest_line
560 (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
561 const char **, const char **, unsigned int *, unsigned int *,
562 const struct dwarf_debug_section *, unsigned int, void **);
564 /* Find the bias between DWARF addresses and real addresses. */
565 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
566 (asymbol **, void **);
568 /* Find inliner info after calling bfd_find_nearest_line. */
569 extern bfd_boolean _bfd_dwarf2_find_inliner_info
570 (bfd *, const char **, const char **, unsigned int *, void **);
572 /* Read DWARF 2 debugging information. */
573 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
574 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
577 /* Clean up the data used to handle DWARF 2 debugging information. */
578 extern void _bfd_dwarf2_cleanup_debug_info
581 /* Create a new section entry. */
582 extern struct bfd_hash_entry *bfd_section_hash_newfunc
583 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
585 /* A routine to create entries for a bfd_link_hash_table. */
586 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
587 (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
590 /* Initialize a bfd_link_hash_table. */
591 extern bfd_boolean _bfd_link_hash_table_init
592 (struct bfd_link_hash_table *, bfd *,
593 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
594 struct bfd_hash_table *,
598 /* Generic link hash table creation routine. */
599 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
602 /* Generic link hash table destruction routine. */
603 extern void _bfd_generic_link_hash_table_free
606 /* Generic add symbol routine. */
607 extern bfd_boolean _bfd_generic_link_add_symbols
608 (bfd *, struct bfd_link_info *);
610 /* Generic archive add symbol routine. */
611 extern bfd_boolean _bfd_generic_link_add_archive_symbols
612 (bfd *, struct bfd_link_info *,
613 bfd_boolean (*) (bfd *, struct bfd_link_info *,
614 struct bfd_link_hash_entry *, const char *,
617 /* Forward declaration to avoid prototype errors. */
618 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
620 /* Generic routine to add a single symbol. */
621 extern bfd_boolean _bfd_generic_link_add_one_symbol
622 (struct bfd_link_info *, bfd *, const char *name, flagword,
623 asection *, bfd_vma, const char *, bfd_boolean copy,
624 bfd_boolean constructor, struct bfd_link_hash_entry **);
626 /* Generic routine to mark section as supplying symbols only. */
627 extern void _bfd_generic_link_just_syms
628 (asection *, struct bfd_link_info *);
630 /* Generic routine that does nothing. */
631 extern void _bfd_generic_copy_link_hash_symbol_type
632 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
634 /* Generic link routine. */
635 extern bfd_boolean _bfd_generic_final_link
636 (bfd *, struct bfd_link_info *);
638 extern bfd_boolean _bfd_generic_link_split_section
639 (bfd *, struct bfd_section *);
641 extern bfd_boolean _bfd_generic_section_already_linked
642 (bfd *, asection *, struct bfd_link_info *);
644 /* Generic reloc_link_order processing routine. */
645 extern bfd_boolean _bfd_generic_reloc_link_order
646 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
648 /* Default link order processing routine. */
649 extern bfd_boolean _bfd_default_link_order
650 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
652 /* Count the number of reloc entries in a link order list. */
653 extern unsigned int _bfd_count_link_order_relocs
654 (struct bfd_link_order *);
656 /* Final link relocation routine. */
657 extern bfd_reloc_status_type _bfd_final_link_relocate
658 (reloc_howto_type *, bfd *, asection *, bfd_byte *,
659 bfd_vma, bfd_vma, bfd_vma);
661 /* Relocate a particular location by a howto and a value. */
662 extern bfd_reloc_status_type _bfd_relocate_contents
663 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
665 /* Clear a given location using a given howto. */
666 extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
667 asection *input_section, bfd_byte *location);
669 /* Link stabs in sections in the first pass. */
671 extern bfd_boolean _bfd_link_section_stabs
672 (bfd *, struct stab_info *, asection *, asection *, void **,
675 /* Eliminate stabs for discarded functions and symbols. */
676 extern bfd_boolean _bfd_discard_section_stabs
677 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
679 /* Write out the .stab section when linking stabs in sections. */
681 extern bfd_boolean _bfd_write_section_stabs
682 (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
684 /* Write out the .stabstr string table when linking stabs in sections. */
686 extern bfd_boolean _bfd_write_stab_strings
687 (bfd *, struct stab_info *);
689 /* Find an offset within a .stab section when linking stabs in
692 extern bfd_vma _bfd_stab_section_offset
693 (asection *, void *, bfd_vma);
695 /* Register a SEC_MERGE section as a candidate for merging. */
697 extern bfd_boolean _bfd_add_merge_section
698 (bfd *, void **, asection *, void **);
700 /* Attempt to merge SEC_MERGE sections. */
702 extern bfd_boolean _bfd_merge_sections
703 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
705 /* Write out a merged section. */
707 extern bfd_boolean _bfd_write_merged_section
708 (bfd *, asection *, void *);
710 /* Find an offset within a modified SEC_MERGE section. */
712 extern bfd_vma _bfd_merged_section_offset
713 (bfd *, asection **, void *, bfd_vma);
715 /* Tidy up when done. */
717 extern void _bfd_merge_sections_free (void *);
719 /* Create a string table. */
720 extern struct bfd_strtab_hash *_bfd_stringtab_init
723 /* Create an XCOFF .debug section style string table. */
724 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
727 /* Free a string table. */
728 extern void _bfd_stringtab_free
729 (struct bfd_strtab_hash *);
731 /* Get the size of a string table. */
732 extern bfd_size_type _bfd_stringtab_size
733 (struct bfd_strtab_hash *);
735 /* Add a string to a string table. */
736 extern bfd_size_type _bfd_stringtab_add
737 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
739 /* Write out a string table. */
740 extern bfd_boolean _bfd_stringtab_emit
741 (bfd *, struct bfd_strtab_hash *);
743 /* Macros to tell if bfds are read or write enabled.
745 Note that bfds open for read may be scribbled into if the fd passed
746 to bfd_fdopenr is actually open both for read and write
747 simultaneously. However an output bfd will never be open for
748 read. Therefore sometimes you want to check bfd_read_p or
749 !bfd_read_p, and only sometimes bfd_write_p.
752 #define bfd_read_p(abfd) \
753 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
754 #define bfd_write_p(abfd) \
755 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
760 #define BFD_ASSERT(x) \
761 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
764 do { bfd_assert(__FILE__,__LINE__); } while (0)
766 extern void _bfd_abort
767 (const char *, int, const char *) ATTRIBUTE_NORETURN;
769 /* if gcc >= 2.6, we can give a function name, too */
770 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
771 #define __PRETTY_FUNCTION__ ((char *) NULL)
775 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
777 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
778 the system "off_t" or "off64_t", as the offset. */
779 extern file_ptr _bfd_real_ftell (FILE *file);
780 extern int _bfd_real_fseek (FILE *file, file_ptr offset, int whence);
781 extern FILE *_bfd_real_fopen (const char *filename, const char *modes);
783 /* List of supported target vectors, and the default vector (if
784 bfd_default_vector[0] is NULL, there is no default). */
785 extern const bfd_target * const *bfd_target_vector;
786 extern const bfd_target *bfd_default_vector[];
788 /* List of associated target vectors. */
789 extern const bfd_target * const *bfd_associated_vector;
791 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
792 other common header files. */
794 #if defined(__STDC__) || defined(ALMOST_STDC)
795 struct ecoff_find_line;
798 extern bfd_boolean _bfd_ecoff_locate_line
799 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
800 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
801 const char **, const char **, unsigned int *);
802 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
803 (void *, bfd_byte *);
804 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
805 (void *, bfd_byte *);
806 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
807 (void *, bfd_byte *);
809 extern bfd_vma _bfd_get_gp_value
811 extern void _bfd_set_gp_value
814 /* Function shared by the COFF and ELF SH backends, which have no
815 other common header files. */
817 #ifndef _bfd_sh_align_load_span
818 extern bfd_boolean _bfd_sh_align_load_span
819 (bfd *, asection *, bfd_byte *,
820 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
821 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
824 /* This is the shape of the elements inside the already_linked hash
825 table. It maps a name onto a list of already_linked elements with
828 struct bfd_section_already_linked_hash_entry
830 struct bfd_hash_entry root;
831 struct bfd_section_already_linked *entry;
834 struct bfd_section_already_linked
836 struct bfd_section_already_linked *next;
840 extern struct bfd_section_already_linked_hash_entry *
841 bfd_section_already_linked_table_lookup (const char *);
842 extern bfd_boolean bfd_section_already_linked_table_insert
843 (struct bfd_section_already_linked_hash_entry *, asection *);
844 extern void bfd_section_already_linked_table_traverse
845 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
848 extern bfd_vma _bfd_read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
849 extern bfd_signed_vma _bfd_read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
850 extern bfd_vma _bfd_safe_read_leb128 (bfd *, bfd_byte *, unsigned int *,
851 bfd_boolean, const bfd_byte * const);