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 \
164 bfd_boolean _bfd_slurp_extended_name_table
166 extern bfd_boolean _bfd_construct_extended_name_table
167 (bfd
*, bfd_boolean
, char **, bfd_size_type
*);
168 bfd_boolean _bfd_write_archive_contents
170 bfd_boolean _bfd_compute_and_write_armap
171 (bfd
*, unsigned int);
172 bfd
*_bfd_get_elt_at_filepos
174 extern bfd
*_bfd_generic_get_elt_at_index
178 bfd_boolean _bfd_free_cached_info
181 extern bfd_boolean bfd_false
183 extern bfd_boolean bfd_true
185 extern void * bfd_nullvoidptr
189 extern unsigned int bfd_0u
198 bfd
*_bfd_new_bfd_contained_in
200 const bfd_target
*_bfd_dummy_target
203 void bfd_dont_truncate_arname
204 (bfd
*, const char *, char *);
205 void bfd_bsd_truncate_arname
206 (bfd
*, const char *, char *);
207 void bfd_gnu_truncate_arname
208 (bfd
*, const char *, char *);
210 bfd_boolean _bfd_bsd_write_armap
211 (bfd
*, unsigned int, struct orl
*, unsigned int, int);
213 bfd_boolean _bfd_coff_write_armap
214 (bfd
*, unsigned int, struct orl
*, unsigned int, int);
216 extern void *_bfd_generic_read_ar_hdr
218 extern void _bfd_ar_spacepad
219 (char *, size_t, const char *, long);
220 extern bfd_boolean _bfd_ar_sizepad
221 (char *, size_t, bfd_size_type
);
223 extern void *_bfd_generic_read_ar_hdr_mag
224 (bfd
*, const char *);
226 extern bfd_boolean _bfd_generic_write_ar_hdr
229 extern bfd_boolean _bfd_bsd44_write_ar_hdr
232 bfd
* bfd_generic_openr_next_archived_file
235 int bfd_generic_stat_arch_elt
236 (bfd
*, struct stat
*);
238 #define _bfd_read_ar_hdr(abfd) \
239 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
240 #define _bfd_write_ar_hdr(archive, abfd) \
241 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
243 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
244 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
246 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
247 extern bfd_boolean _bfd_archive_close_and_cleanup
249 #define _bfd_generic_bfd_free_cached_info bfd_true
250 extern bfd_boolean _bfd_generic_new_section_hook
252 extern bfd_boolean _bfd_generic_get_section_contents
253 (bfd
*, asection
*, void *, file_ptr
, bfd_size_type
);
254 extern bfd_boolean _bfd_generic_get_section_contents_in_window
255 (bfd
*, asection
*, bfd_window
*, file_ptr
, bfd_size_type
);
257 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
258 BFD_JUMP_TABLE_COPY (_bfd_generic). */
260 #define _bfd_generic_bfd_copy_private_bfd_data \
261 ((bfd_boolean (*) (bfd *, bfd *)) (bfd_boolean (*)) bfd_true)
262 #define _bfd_generic_bfd_merge_private_bfd_data \
263 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) (bfd_boolean (*)) bfd_true)
264 #define _bfd_generic_bfd_set_private_flags \
265 ((bfd_boolean (*) (bfd *, flagword)) (bfd_boolean (*)) bfd_true)
266 #define _bfd_generic_bfd_copy_private_section_data \
267 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) (bfd_boolean (*)) bfd_true)
268 #define _bfd_generic_bfd_copy_private_symbol_data \
269 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) (bfd_boolean (*)) bfd_true)
270 #define _bfd_generic_bfd_copy_private_header_data \
271 ((bfd_boolean (*) (bfd *, bfd *)) (bfd_boolean (*)) bfd_true)
272 #define _bfd_generic_bfd_print_private_bfd_data \
273 ((bfd_boolean (*) (bfd *, void *)) (bfd_boolean (*)) bfd_true)
275 extern bfd_boolean _bfd_generic_init_private_section_data
276 (bfd
*, asection
*, bfd
*, asection
*, struct bfd_link_info
*);
278 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
279 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
281 extern char *_bfd_nocore_core_file_failing_command
283 extern int _bfd_nocore_core_file_failing_signal
285 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
287 extern int _bfd_nocore_core_file_pid
290 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
291 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
293 #define _bfd_noarchive_slurp_armap bfd_false
294 #define _bfd_noarchive_slurp_extended_name_table bfd_false
295 #define _bfd_noarchive_construct_extended_name_table \
296 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
297 (bfd_boolean (*)) bfd_false)
298 #define _bfd_noarchive_truncate_arname \
299 ((void (*) (bfd *, const char *, char *)) (void (*)) bfd_void)
300 #define _bfd_noarchive_write_armap \
301 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
302 (bfd_boolean (*)) bfd_false)
303 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
304 #define _bfd_noarchive_write_ar_hdr \
305 ((bfd_boolean (*) (bfd *, bfd *)) (bfd_boolean (*)) bfd_false)
306 #define _bfd_noarchive_openr_next_archived_file \
307 ((bfd * (*) (bfd *, bfd *)) (bfd * (*)) bfd_nullvoidptr)
308 #define _bfd_noarchive_get_elt_at_index \
309 ((bfd * (*) (bfd *, symindex)) (bfd * (*)) bfd_nullvoidptr)
310 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
311 #define _bfd_noarchive_update_armap_timestamp bfd_false
313 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
314 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
316 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
317 #define _bfd_archive_bsd_slurp_extended_name_table \
318 _bfd_slurp_extended_name_table
319 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
320 (bfd
*, char **, bfd_size_type
*, const char **);
321 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
322 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
323 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
324 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
325 #define _bfd_archive_bsd_openr_next_archived_file \
326 bfd_generic_openr_next_archived_file
327 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
328 #define _bfd_archive_bsd_generic_stat_arch_elt \
329 bfd_generic_stat_arch_elt
330 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
333 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
334 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
336 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
337 #define _bfd_archive_coff_slurp_extended_name_table \
338 _bfd_slurp_extended_name_table
339 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
340 (bfd
*, char **, bfd_size_type
*, const char **);
341 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
342 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
343 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
344 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
345 #define _bfd_archive_coff_openr_next_archived_file \
346 bfd_generic_openr_next_archived_file
347 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
348 #define _bfd_archive_coff_generic_stat_arch_elt \
349 bfd_generic_stat_arch_elt
350 #define _bfd_archive_coff_update_armap_timestamp bfd_true
352 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
353 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
355 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
356 #define _bfd_archive_bsd44_slurp_extended_name_table \
357 _bfd_slurp_extended_name_table
358 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
359 (bfd
*, char **, bfd_size_type
*, const char **);
360 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
361 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
362 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
363 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
364 #define _bfd_archive_bsd44_openr_next_archived_file \
365 bfd_generic_openr_next_archived_file
366 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
367 #define _bfd_archive_bsd44_generic_stat_arch_elt \
368 bfd_generic_stat_arch_elt
369 #define _bfd_archive_bsd44_update_armap_timestamp \
370 _bfd_archive_bsd_update_armap_timestamp
372 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
373 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
376 extern bfd_boolean
_bfd_vms_lib_write_archive_contents (bfd
*);
377 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
378 #define _bfd_vms_lib_slurp_extended_name_table \
379 _bfd_noarchive_slurp_extended_name_table
380 #define _bfd_vms_lib_construct_extended_name_table \
381 _bfd_noarchive_construct_extended_name_table
382 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
383 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
384 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
385 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
386 extern bfd
*_bfd_vms_lib_openr_next_archived_file (bfd
*, bfd
*);
387 extern bfd
*_bfd_vms_lib_get_elt_at_index (bfd
*, symindex
);
388 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd
*, struct stat
*);
389 #define _bfd_vms_lib_update_armap_timestamp bfd_true
391 /* Extra routines for VMS style archives. */
393 extern symindex
_bfd_vms_lib_find_symbol (bfd
*, const char *);
394 extern bfd
*_bfd_vms_lib_get_imagelib_file (bfd
*);
395 extern const bfd_target
*_bfd_vms_lib_alpha_archive_p (bfd
*);
396 extern const bfd_target
*_bfd_vms_lib_ia64_archive_p (bfd
*);
397 extern bfd_boolean
_bfd_vms_lib_alpha_mkarchive (bfd
*);
398 extern bfd_boolean
_bfd_vms_lib_ia64_mkarchive (bfd
*);
400 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
401 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
403 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
404 #define _bfd_nosymbols_canonicalize_symtab \
405 ((long (*) (bfd *, asymbol **)) (long (*)) _bfd_n1)
406 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
407 #define _bfd_nosymbols_print_symbol \
408 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) (void (*)) bfd_void)
409 #define _bfd_nosymbols_get_symbol_info \
410 ((void (*) (bfd *, asymbol *, symbol_info *)) (void (*)) bfd_void)
411 #define _bfd_nosymbols_get_symbol_version_string \
412 ((const char *(*) (bfd *, asymbol *, bfd_boolean *)) (const char * (*)) bfd_nullvoidptr)
413 #define _bfd_nosymbols_bfd_is_local_label_name \
414 ((bfd_boolean (*) (bfd *, const char *)) (bfd_boolean (*)) bfd_false)
415 #define _bfd_nosymbols_bfd_is_target_special_symbol \
416 ((bfd_boolean (*) (bfd *, asymbol *)) (bfd_boolean (*)) bfd_false)
417 #define _bfd_nosymbols_get_lineno \
418 ((alent *(*) (bfd *, asymbol *)) (alent * (*)) bfd_nullvoidptr)
419 #define _bfd_nosymbols_find_nearest_line \
420 ((bfd_boolean (*) (bfd *, asymbol **, asection *, bfd_vma, \
421 const char **, const char **, unsigned int *, \
423 (bfd_boolean (*)) bfd_false)
424 #define _bfd_nosymbols_find_line \
425 ((bfd_boolean (*) (bfd *, asymbol **, asymbol *, \
426 const char **, unsigned int *)) \
427 (bfd_boolean (*)) bfd_false)
428 #define _bfd_nosymbols_find_inliner_info \
429 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
430 (bfd_boolean (*)) bfd_false)
431 #define _bfd_nosymbols_bfd_make_debug_symbol \
432 ((asymbol * (*) (bfd *, void *, unsigned long)) \
433 (asymbol * (*)) bfd_nullvoidptr)
434 #define _bfd_nosymbols_read_minisymbols \
435 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) \
437 #define _bfd_nosymbols_minisymbol_to_symbol \
438 ((asymbol * (*) (bfd *, bfd_boolean, const void *, asymbol *)) \
439 (asymbol * (*)) bfd_nullvoidptr)
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 extern void _bfd_norelocs_set_reloc (bfd
*, asection
*,
448 arelent
**, unsigned int);
449 #define _bfd_norelocs_bfd_reloc_type_lookup \
450 ((reloc_howto_type * (*) (bfd *, bfd_reloc_code_real_type)) \
451 (reloc_howto_type * (*)) bfd_nullvoidptr)
452 #define _bfd_norelocs_bfd_reloc_name_lookup \
453 ((reloc_howto_type * (*) (bfd *, const char *)) \
454 (reloc_howto_type * (*)) bfd_nullvoidptr)
456 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
457 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
459 #define _bfd_nowrite_set_arch_mach \
460 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
461 (bfd_boolean (*)) bfd_false)
462 #define _bfd_nowrite_set_section_contents \
463 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
464 (bfd_boolean (*)) bfd_false)
466 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
467 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
469 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
470 extern bfd_boolean _bfd_generic_set_section_contents
471 (bfd
*, asection
*, const void *, file_ptr
, bfd_size_type
);
473 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
474 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
476 #define _bfd_nolink_sizeof_headers \
477 ((int (*) (bfd *, struct bfd_link_info *)) (int (*)) bfd_0)
478 #define _bfd_nolink_bfd_get_relocated_section_contents \
479 ((bfd_byte * (*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
480 bfd_byte *, bfd_boolean, asymbol **)) \
481 (bfd_byte * (*)) bfd_nullvoidptr)
482 #define _bfd_nolink_bfd_relax_section \
484 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
485 (bfd_boolean (*)) bfd_false)
486 #define _bfd_nolink_bfd_gc_sections \
487 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
488 (bfd_boolean (*)) bfd_false)
489 #define _bfd_nolink_bfd_lookup_section_flags \
490 ((bfd_boolean (*) (struct bfd_link_info *, struct flag_info *, asection *)) \
491 (bfd_boolean (*)) bfd_false)
492 #define _bfd_nolink_bfd_merge_sections \
493 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
494 (bfd_boolean (*)) bfd_false)
495 #define _bfd_nolink_bfd_is_group_section \
496 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
497 (bfd_boolean (*)) bfd_false)
498 #define _bfd_nolink_bfd_discard_group \
499 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
500 (bfd_boolean (*)) bfd_false)
501 #define _bfd_nolink_bfd_link_hash_table_create \
502 ((struct bfd_link_hash_table * (*) (bfd *)) \
503 (struct bfd_link_hash_table * (*)) bfd_nullvoidptr)
504 #define _bfd_nolink_bfd_link_add_symbols \
505 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
506 (bfd_boolean (*)) bfd_false)
507 #define _bfd_nolink_bfd_link_just_syms \
508 ((void (*) (asection *, struct bfd_link_info *)) \
510 #define _bfd_nolink_bfd_copy_link_hash_symbol_type \
511 ((void (*) (bfd *, struct bfd_link_hash_entry *, \
512 struct bfd_link_hash_entry *)) \
514 #define _bfd_nolink_bfd_final_link \
515 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
516 (bfd_boolean (*)) bfd_false)
517 #define _bfd_nolink_bfd_link_split_section \
518 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
519 (bfd_boolean (*)) bfd_false)
520 #define _bfd_nolink_section_already_linked \
521 ((bfd_boolean (*) (bfd *, asection *, struct bfd_link_info *)) \
522 (bfd_boolean (*)) bfd_false)
523 #define _bfd_nolink_bfd_define_common_symbol \
524 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
525 struct bfd_link_hash_entry *)) \
526 (bfd_boolean (*)) bfd_false)
527 #define _bfd_nolink_bfd_define_start_stop \
528 ((struct bfd_link_hash_entry * (*) (struct bfd_link_info *, \
529 const char *, asection *)) \
530 (struct bfd_link_hash_entry * (*)) bfd_nullvoidptr)
531 #define _bfd_nolink_bfd_link_check_relocs \
532 _bfd_generic_link_check_relocs
534 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
535 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
538 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
539 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
540 ((long (*) (bfd *, asymbol **)) (long (*)) _bfd_n1)
541 #define _bfd_nodynamic_get_synthetic_symtab \
542 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) \
544 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
545 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
546 ((long (*) (bfd *, arelent **, asymbol **)) (long (*)) _bfd_n1)
548 /* Generic routine to determine of the given symbol is a local
550 extern bfd_boolean bfd_generic_is_local_label_name
551 (bfd
*, const char *);
553 /* Generic minisymbol routines. */
554 extern long _bfd_generic_read_minisymbols
555 (bfd
*, bfd_boolean
, void **, unsigned int *);
556 extern asymbol
*_bfd_generic_minisymbol_to_symbol
557 (bfd
*, bfd_boolean
, const void *, asymbol
*);
559 /* Find the nearest line using .stab/.stabstr sections. */
560 extern bfd_boolean _bfd_stab_section_find_nearest_line
561 (bfd
*, asymbol
**, asection
*, bfd_vma
, bfd_boolean
*,
562 const char **, const char **, unsigned int *, void **);
564 /* Find the nearest line using DWARF 1 debugging information. */
565 extern bfd_boolean _bfd_dwarf1_find_nearest_line
566 (bfd
*, asymbol
**, asection
*, bfd_vma
,
567 const char **, const char **, unsigned int *);
569 struct dwarf_debug_section
571 const char * uncompressed_name
;
572 const char * compressed_name
;
575 /* Map of uncompressed DWARF debug section name to compressed one. It
576 is terminated by NULL uncompressed_name. */
578 extern const struct dwarf_debug_section dwarf_debug_sections
[];
580 /* Find the nearest line using DWARF 2 debugging information. */
581 extern bfd_boolean _bfd_dwarf2_find_nearest_line
582 (bfd
*, asymbol
**, asymbol
*, asection
*, bfd_vma
,
583 const char **, const char **, unsigned int *, unsigned int *,
584 const struct dwarf_debug_section
*, unsigned int, void **);
586 /* Find the bias between DWARF addresses and real addresses. */
587 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
588 (asymbol
**, void **);
590 /* Find inliner info after calling bfd_find_nearest_line. */
591 extern bfd_boolean _bfd_dwarf2_find_inliner_info
592 (bfd
*, const char **, const char **, unsigned int *, void **);
594 /* Read DWARF 2 debugging information. */
595 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
596 (bfd
*, bfd
*, const struct dwarf_debug_section
*, asymbol
**, void **,
599 /* Clean up the data used to handle DWARF 2 debugging information. */
600 extern void _bfd_dwarf2_cleanup_debug_info
603 /* Create a new section entry. */
604 extern struct bfd_hash_entry
*bfd_section_hash_newfunc
605 (struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *);
607 /* A routine to create entries for a bfd_link_hash_table. */
608 extern struct bfd_hash_entry
*_bfd_link_hash_newfunc
609 (struct bfd_hash_entry
*entry
, struct bfd_hash_table
*table
,
612 /* Initialize a bfd_link_hash_table. */
613 extern bfd_boolean _bfd_link_hash_table_init
614 (struct bfd_link_hash_table
*, bfd
*,
615 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
616 struct bfd_hash_table
*,
620 /* Generic link hash table creation routine. */
621 extern struct bfd_link_hash_table
*_bfd_generic_link_hash_table_create
624 /* Generic link hash table destruction routine. */
625 extern void _bfd_generic_link_hash_table_free
628 /* Generic add symbol routine. */
629 extern bfd_boolean _bfd_generic_link_add_symbols
630 (bfd
*, struct bfd_link_info
*);
632 /* Generic archive add symbol routine. */
633 extern bfd_boolean _bfd_generic_link_add_archive_symbols
634 (bfd
*, struct bfd_link_info
*,
635 bfd_boolean (*) (bfd
*, struct bfd_link_info
*,
636 struct bfd_link_hash_entry
*, const char *,
639 /* Forward declaration to avoid prototype errors. */
640 typedef struct bfd_link_hash_entry _bfd_link_hash_entry
;
642 /* Generic routine to add a single symbol. */
643 extern bfd_boolean _bfd_generic_link_add_one_symbol
644 (struct bfd_link_info
*, bfd
*, const char *name
, flagword
,
645 asection
*, bfd_vma
, const char *, bfd_boolean copy
,
646 bfd_boolean constructor
, struct bfd_link_hash_entry
**);
648 /* Generic routine to mark section as supplying symbols only. */
649 extern void _bfd_generic_link_just_syms
650 (asection
*, struct bfd_link_info
*);
652 /* Generic routine that does nothing. */
653 extern void _bfd_generic_copy_link_hash_symbol_type
654 (bfd
*, struct bfd_link_hash_entry
*, struct bfd_link_hash_entry
*);
656 /* Generic link routine. */
657 extern bfd_boolean _bfd_generic_final_link
658 (bfd
*, struct bfd_link_info
*);
660 extern bfd_boolean _bfd_generic_link_split_section
661 (bfd
*, struct bfd_section
*);
663 extern bfd_boolean _bfd_generic_section_already_linked
664 (bfd
*, asection
*, struct bfd_link_info
*);
666 /* Generic reloc_link_order processing routine. */
667 extern bfd_boolean _bfd_generic_reloc_link_order
668 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*);
670 /* Default link order processing routine. */
671 extern bfd_boolean _bfd_default_link_order
672 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*);
674 /* Count the number of reloc entries in a link order list. */
675 extern unsigned int _bfd_count_link_order_relocs
676 (struct bfd_link_order
*);
678 /* Final link relocation routine. */
679 extern bfd_reloc_status_type _bfd_final_link_relocate
680 (reloc_howto_type
*, bfd
*, asection
*, bfd_byte
*,
681 bfd_vma
, bfd_vma
, bfd_vma
);
683 /* Relocate a particular location by a howto and a value. */
684 extern bfd_reloc_status_type _bfd_relocate_contents
685 (reloc_howto_type
*, bfd
*, bfd_vma
, bfd_byte
*);
687 /* Clear a given location using a given howto. */
688 extern void _bfd_clear_contents (reloc_howto_type
*howto
, bfd
*input_bfd
,
689 asection
*input_section
, bfd_byte
*location
);
691 /* Link stabs in sections in the first pass. */
693 extern bfd_boolean _bfd_link_section_stabs
694 (bfd
*, struct stab_info
*, asection
*, asection
*, void **,
697 /* Eliminate stabs for discarded functions and symbols. */
698 extern bfd_boolean _bfd_discard_section_stabs
699 (bfd
*, asection
*, void *, bfd_boolean (*) (bfd_vma
, void *), void *);
701 /* Write out the .stab section when linking stabs in sections. */
703 extern bfd_boolean _bfd_write_section_stabs
704 (bfd
*, struct stab_info
*, asection
*, void **, bfd_byte
*);
706 /* Write out the .stabstr string table when linking stabs in sections. */
708 extern bfd_boolean _bfd_write_stab_strings
709 (bfd
*, struct stab_info
*);
711 /* Find an offset within a .stab section when linking stabs in
714 extern bfd_vma _bfd_stab_section_offset
715 (asection
*, void *, bfd_vma
);
717 /* Register a SEC_MERGE section as a candidate for merging. */
719 extern bfd_boolean _bfd_add_merge_section
720 (bfd
*, void **, asection
*, void **);
722 /* Attempt to merge SEC_MERGE sections. */
724 extern bfd_boolean _bfd_merge_sections
725 (bfd
*, struct bfd_link_info
*, void *, void (*) (bfd
*, asection
*));
727 /* Write out a merged section. */
729 extern bfd_boolean _bfd_write_merged_section
730 (bfd
*, asection
*, void *);
732 /* Find an offset within a modified SEC_MERGE section. */
734 extern bfd_vma _bfd_merged_section_offset
735 (bfd
*, asection
**, void *, bfd_vma
);
737 /* Tidy up when done. */
739 extern void _bfd_merge_sections_free (void *);
741 /* Create a string table. */
742 extern struct bfd_strtab_hash
*_bfd_stringtab_init
745 /* Create an XCOFF .debug section style string table. */
746 extern struct bfd_strtab_hash
*_bfd_xcoff_stringtab_init
749 /* Free a string table. */
750 extern void _bfd_stringtab_free
751 (struct bfd_strtab_hash
*);
753 /* Get the size of a string table. */
754 extern bfd_size_type _bfd_stringtab_size
755 (struct bfd_strtab_hash
*);
757 /* Add a string to a string table. */
758 extern bfd_size_type _bfd_stringtab_add
759 (struct bfd_strtab_hash
*, const char *, bfd_boolean hash
, bfd_boolean copy
);
761 /* Write out a string table. */
762 extern bfd_boolean _bfd_stringtab_emit
763 (bfd
*, struct bfd_strtab_hash
*);
765 /* Macros to tell if bfds are read or write enabled.
767 Note that bfds open for read may be scribbled into if the fd passed
768 to bfd_fdopenr is actually open both for read and write
769 simultaneously. However an output bfd will never be open for
770 read. Therefore sometimes you want to check bfd_read_p or
771 !bfd_read_p, and only sometimes bfd_write_p.
774 #define bfd_read_p(abfd) \
775 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
776 #define bfd_write_p(abfd) \
777 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
782 #define BFD_ASSERT(x) \
783 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
786 do { bfd_assert(__FILE__,__LINE__); } while (0)
788 extern void _bfd_abort
789 (const char *, int, const char *) ATTRIBUTE_NORETURN
;
791 /* if gcc >= 2.6, we can give a function name, too */
792 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
793 #define __PRETTY_FUNCTION__ ((char *) NULL)
797 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
799 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
800 the system "off_t" or "off64_t", as the offset. */
801 extern file_ptr
_bfd_real_ftell (FILE *file
);
802 extern int _bfd_real_fseek (FILE *file
, file_ptr offset
, int whence
);
803 extern FILE *_bfd_real_fopen (const char *filename
, const char *modes
);
805 /* List of supported target vectors, and the default vector (if
806 bfd_default_vector[0] is NULL, there is no default). */
807 extern const bfd_target
* const *bfd_target_vector
;
808 extern const bfd_target
*bfd_default_vector
[];
810 /* List of associated target vectors. */
811 extern const bfd_target
* const *bfd_associated_vector
;
813 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
814 other common header files. */
816 #if defined(__STDC__) || defined(ALMOST_STDC)
817 struct ecoff_find_line
;
820 extern bfd_boolean _bfd_ecoff_locate_line
821 (bfd
*, asection
*, bfd_vma
, struct ecoff_debug_info
* const,
822 const struct ecoff_debug_swap
* const, struct ecoff_find_line
*,
823 const char **, const char **, unsigned int *);
824 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
825 (void *, bfd_byte
*);
826 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
827 (void *, bfd_byte
*);
828 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
829 (void *, bfd_byte
*);
831 extern bfd_vma _bfd_get_gp_value
833 extern void _bfd_set_gp_value
836 /* Function shared by the COFF and ELF SH backends, which have no
837 other common header files. */
839 #ifndef _bfd_sh_align_load_span
840 extern bfd_boolean _bfd_sh_align_load_span
841 (bfd
*, asection
*, bfd_byte
*,
842 bfd_boolean (*) (bfd
*, asection
*, void *, bfd_byte
*, bfd_vma
),
843 void *, bfd_vma
**, bfd_vma
*, bfd_vma
, bfd_vma
, bfd_boolean
*);
846 /* This is the shape of the elements inside the already_linked hash
847 table. It maps a name onto a list of already_linked elements with
850 struct bfd_section_already_linked_hash_entry
852 struct bfd_hash_entry root
;
853 struct bfd_section_already_linked
*entry
;
856 struct bfd_section_already_linked
858 struct bfd_section_already_linked
*next
;
862 extern struct bfd_section_already_linked_hash_entry
*
863 bfd_section_already_linked_table_lookup (const char *);
864 extern bfd_boolean bfd_section_already_linked_table_insert
865 (struct bfd_section_already_linked_hash_entry
*, asection
*);
866 extern void bfd_section_already_linked_table_traverse
867 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry
*,
870 extern bfd_vma
_bfd_read_unsigned_leb128 (bfd
*, bfd_byte
*, unsigned int *);
871 extern bfd_signed_vma
_bfd_read_signed_leb128 (bfd
*, bfd_byte
*, unsigned int *);
872 extern bfd_vma
_bfd_safe_read_leb128 (bfd
*, bfd_byte
*, unsigned int *,
873 bfd_boolean
, const bfd_byte
* const);