1 /* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
4 Copyright (C) 1990-2020 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. */
28 #ifndef ATTRIBUTE_HIDDEN
30 #define ATTRIBUTE_HIDDEN __attribute__ ((__visibility__ ("hidden")))
32 #define ATTRIBUTE_HIDDEN
42 /* If you want to read and write large blocks, you might want to do it
43 in quanta of this amount */
44 #define DEFAULT_BUFFERSIZE 8192
46 /* Set a tdata field. Can't use the other macros for this, since they
47 do casts, and casting to the left of assignment isn't portable. */
48 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
50 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
51 to an instance of this structure. */
57 /* Buffer holding contents of BFD. */
61 struct section_hash_entry
63 struct bfd_hash_entry root
;
67 /* Unique section id. */
68 extern unsigned int _bfd_section_id ATTRIBUTE_HIDDEN
;
70 /* tdata for an archive. For an input archive, cache
71 needs to be free()'d. For an output archive, symdefs do. */
75 file_ptr first_file_filepos
;
76 /* Speed up searching the armap */
78 bfd
*archive_head
; /* Only interesting in output routines. */
79 carsym
*symdefs
; /* The symdef entries. */
80 symindex symdef_count
; /* How many there are. */
81 char *extended_names
; /* Clever intel extension. */
82 bfd_size_type extended_names_size
; /* Size of extended names. */
83 /* When more compilers are standard C, this can be a time_t. */
84 long armap_timestamp
; /* Timestamp value written into armap.
85 This is used for BSD archives to check
86 that the timestamp is recent enough
87 for the BSD linker to not complain,
88 just before we finish writing an
90 file_ptr armap_datepos
; /* Position within archive to seek to
91 rewrite the date field. */
92 void *tdata
; /* Backend specific information. */
95 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
97 /* Goes in bfd's arelt_data slot */
100 char * arch_header
; /* It's actually a string. */
101 bfd_size_type parsed_size
; /* Octets of filesize not including ar_hdr. */
102 bfd_size_type extra_size
; /* BSD4.4: extra bytes after the header. */
103 char *filename
; /* Null-terminated. */
104 file_ptr origin
; /* For element of a thin archive. */
105 void *parent_cache
; /* Where and how to find this member. */
109 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
111 extern void *bfd_malloc
112 (bfd_size_type
) ATTRIBUTE_HIDDEN
;
113 extern void *bfd_realloc
114 (void *, bfd_size_type
) ATTRIBUTE_HIDDEN
;
115 extern void *bfd_realloc_or_free
116 (void *, bfd_size_type
) ATTRIBUTE_HIDDEN
;
117 extern void *bfd_zmalloc
118 (bfd_size_type
) ATTRIBUTE_HIDDEN
;
121 bfd_strdup (const char *str
)
123 size_t len
= strlen (str
) + 1;
124 char *buf
= bfd_malloc (len
);
126 memcpy (buf
, str
, len
);
129 /* These routines allocate and free things on the BFD's objalloc. */
131 extern void bfd_release
132 (bfd
*, void *) ATTRIBUTE_HIDDEN
;
134 extern bfd
* _bfd_create_empty_archive_element_shell
135 (bfd
*) ATTRIBUTE_HIDDEN
;
136 extern bfd
* _bfd_look_for_bfd_in_cache
137 (bfd
*, file_ptr
) ATTRIBUTE_HIDDEN
;
138 extern bfd_boolean _bfd_add_bfd_to_archive_cache
139 (bfd
*, file_ptr
, bfd
*) ATTRIBUTE_HIDDEN
;
140 extern bfd_boolean _bfd_generic_mkarchive
141 (bfd
*) ATTRIBUTE_HIDDEN
;
142 extern char *_bfd_append_relative_path
143 (bfd
*, char *) ATTRIBUTE_HIDDEN
;
144 extern const bfd_target
*bfd_generic_archive_p
145 (bfd
*) ATTRIBUTE_HIDDEN
;
146 extern bfd_boolean bfd_slurp_armap
147 (bfd
*) ATTRIBUTE_HIDDEN
;
148 #define bfd_slurp_bsd_armap bfd_slurp_armap
149 #define bfd_slurp_coff_armap bfd_slurp_armap
150 extern bfd_boolean _bfd_archive_64_bit_slurp_armap
151 (bfd
*) ATTRIBUTE_HIDDEN
;
152 extern bfd_boolean _bfd_archive_64_bit_write_armap
153 (bfd
*, unsigned int, struct orl
*, unsigned int, int) ATTRIBUTE_HIDDEN
;
154 #define _bfd_archive_64_bit_slurp_extended_name_table \
155 _bfd_slurp_extended_name_table
156 #define _bfd_archive_64_bit_construct_extended_name_table \
157 _bfd_archive_coff_construct_extended_name_table
158 #define _bfd_archive_64_bit_truncate_arname \
159 bfd_dont_truncate_arname
160 #define _bfd_archive_64_bit_read_ar_hdr \
161 _bfd_generic_read_ar_hdr
162 #define _bfd_archive_64_bit_write_ar_hdr \
163 _bfd_generic_write_ar_hdr
164 #define _bfd_archive_64_bit_openr_next_archived_file \
165 bfd_generic_openr_next_archived_file
166 #define _bfd_archive_64_bit_get_elt_at_index \
167 _bfd_generic_get_elt_at_index
168 #define _bfd_archive_64_bit_generic_stat_arch_elt \
169 bfd_generic_stat_arch_elt
170 #define _bfd_archive_64_bit_update_armap_timestamp _bfd_bool_bfd_true
172 extern bfd_boolean _bfd_slurp_extended_name_table
173 (bfd
*) ATTRIBUTE_HIDDEN
;
174 extern bfd_boolean _bfd_construct_extended_name_table
175 (bfd
*, bfd_boolean
, char **, bfd_size_type
*) ATTRIBUTE_HIDDEN
;
176 extern bfd_boolean _bfd_write_archive_contents
177 (bfd
*) ATTRIBUTE_HIDDEN
;
178 extern bfd_boolean _bfd_compute_and_write_armap
179 (bfd
*, unsigned int) ATTRIBUTE_HIDDEN
;
180 extern bfd
*_bfd_get_elt_at_filepos
181 (bfd
*, file_ptr
) ATTRIBUTE_HIDDEN
;
182 extern bfd
*_bfd_generic_get_elt_at_index
183 (bfd
*, symindex
) ATTRIBUTE_HIDDEN
;
184 extern bfd
* _bfd_new_bfd
185 (void) ATTRIBUTE_HIDDEN
;
186 extern bfd_boolean _bfd_free_cached_info
187 (bfd
*) ATTRIBUTE_HIDDEN
;
189 extern bfd_boolean _bfd_bool_bfd_false
190 (bfd
*) ATTRIBUTE_HIDDEN
;
191 extern bfd_boolean _bfd_bool_bfd_asymbol_false
192 (bfd
*, asymbol
*) ATTRIBUTE_HIDDEN
;
193 extern bfd_boolean _bfd_bool_bfd_false_error
194 (bfd
*) ATTRIBUTE_HIDDEN
;
195 extern bfd_boolean _bfd_bool_bfd_link_false_error
196 (bfd
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
197 extern bfd_boolean _bfd_bool_bfd_true
198 (bfd
*) ATTRIBUTE_HIDDEN
;
199 extern bfd_boolean _bfd_bool_bfd_link_true
200 (bfd
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
201 extern bfd_boolean _bfd_bool_bfd_bfd_true
202 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
203 extern bfd_boolean _bfd_bool_bfd_uint_true
204 (bfd
*, unsigned int) ATTRIBUTE_HIDDEN
;
205 extern bfd_boolean _bfd_bool_bfd_asection_bfd_asection_true
206 (bfd
*, asection
*, bfd
*, asection
*) ATTRIBUTE_HIDDEN
;
207 extern bfd_boolean _bfd_bool_bfd_asymbol_bfd_asymbol_true
208 (bfd
*, asymbol
*, bfd
*, asymbol
*) ATTRIBUTE_HIDDEN
;
209 extern bfd_boolean _bfd_bool_bfd_ptr_true
210 (bfd
*, void *) ATTRIBUTE_HIDDEN
;
211 extern void *_bfd_ptr_bfd_null_error
212 (bfd
*) ATTRIBUTE_HIDDEN
;
213 extern int _bfd_int_bfd_0
214 (bfd
*) ATTRIBUTE_HIDDEN
;
215 extern unsigned int _bfd_uint_bfd_0
216 (bfd
*) ATTRIBUTE_HIDDEN
;
217 extern long _bfd_long_bfd_0
218 (bfd
*) ATTRIBUTE_HIDDEN
;
219 extern long _bfd_long_bfd_n1_error
220 (bfd
*) ATTRIBUTE_HIDDEN
;
221 extern void _bfd_void_bfd
222 (bfd
*) ATTRIBUTE_HIDDEN
;
223 extern void _bfd_void_bfd_link
224 (bfd
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
225 extern void _bfd_void_bfd_asection
226 (bfd
*, asection
*) ATTRIBUTE_HIDDEN
;
228 extern bfd
*_bfd_new_bfd_contained_in
229 (bfd
*) ATTRIBUTE_HIDDEN
;
230 extern const bfd_target
*_bfd_dummy_target
231 (bfd
*) ATTRIBUTE_HIDDEN
;
233 extern void bfd_dont_truncate_arname
234 (bfd
*, const char *, char *) ATTRIBUTE_HIDDEN
;
235 extern void bfd_bsd_truncate_arname
236 (bfd
*, const char *, char *) ATTRIBUTE_HIDDEN
;
237 extern void bfd_gnu_truncate_arname
238 (bfd
*, const char *, char *) ATTRIBUTE_HIDDEN
;
240 extern bfd_boolean _bfd_bsd_write_armap
241 (bfd
*, unsigned int, struct orl
*, unsigned int, int) ATTRIBUTE_HIDDEN
;
243 extern bfd_boolean _bfd_coff_write_armap
244 (bfd
*, unsigned int, struct orl
*, unsigned int, int) ATTRIBUTE_HIDDEN
;
246 extern void *_bfd_generic_read_ar_hdr
247 (bfd
*) ATTRIBUTE_HIDDEN
;
248 extern void _bfd_ar_spacepad
249 (char *, size_t, const char *, long) ATTRIBUTE_HIDDEN
;
250 extern bfd_boolean _bfd_ar_sizepad
251 (char *, size_t, bfd_size_type
) ATTRIBUTE_HIDDEN
;
253 extern void *_bfd_generic_read_ar_hdr_mag
254 (bfd
*, const char *) ATTRIBUTE_HIDDEN
;
256 extern bfd_boolean _bfd_generic_write_ar_hdr
257 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
259 extern bfd_boolean _bfd_bsd44_write_ar_hdr
260 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
262 extern bfd
* bfd_generic_openr_next_archived_file
263 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
265 extern int bfd_generic_stat_arch_elt
266 (bfd
*, struct stat
*) ATTRIBUTE_HIDDEN
;
268 #define _bfd_read_ar_hdr(abfd) \
269 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
270 #define _bfd_write_ar_hdr(archive, abfd) \
271 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
273 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
274 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
276 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
277 extern bfd_boolean _bfd_archive_close_and_cleanup
278 (bfd
*) ATTRIBUTE_HIDDEN
;
279 extern void _bfd_unlink_from_archive_parent (bfd
*) ATTRIBUTE_HIDDEN
;
280 #define _bfd_generic_bfd_free_cached_info _bfd_bool_bfd_true
281 extern bfd_boolean _bfd_generic_new_section_hook
282 (bfd
*, asection
*) ATTRIBUTE_HIDDEN
;
283 extern bfd_boolean _bfd_generic_get_section_contents
284 (bfd
*, asection
*, void *, file_ptr
, bfd_size_type
) ATTRIBUTE_HIDDEN
;
285 extern bfd_boolean _bfd_generic_get_section_contents_in_window
286 (bfd
*, asection
*, bfd_window
*, file_ptr
, bfd_size_type
) ATTRIBUTE_HIDDEN
;
288 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
289 BFD_JUMP_TABLE_COPY (_bfd_generic). */
291 #define _bfd_generic_bfd_copy_private_bfd_data _bfd_bool_bfd_bfd_true
292 #define _bfd_generic_bfd_merge_private_bfd_data \
293 _bfd_bool_bfd_link_true
294 #define _bfd_generic_bfd_set_private_flags _bfd_bool_bfd_uint_true
295 #define _bfd_generic_bfd_copy_private_section_data \
296 _bfd_bool_bfd_asection_bfd_asection_true
297 #define _bfd_generic_bfd_copy_private_symbol_data \
298 _bfd_bool_bfd_asymbol_bfd_asymbol_true
299 #define _bfd_generic_bfd_copy_private_header_data _bfd_bool_bfd_bfd_true
300 #define _bfd_generic_bfd_print_private_bfd_data _bfd_bool_bfd_ptr_true
302 extern bfd_boolean _bfd_generic_init_private_section_data
303 (bfd
*, asection
*, bfd
*, asection
*, struct bfd_link_info
*)
306 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
307 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
309 extern char *_bfd_nocore_core_file_failing_command
310 (bfd
*) ATTRIBUTE_HIDDEN
;
311 extern int _bfd_nocore_core_file_failing_signal
312 (bfd
*) ATTRIBUTE_HIDDEN
;
313 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
314 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
315 extern int _bfd_nocore_core_file_pid
316 (bfd
*) ATTRIBUTE_HIDDEN
;
318 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
319 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
321 #define _bfd_noarchive_slurp_armap _bfd_bool_bfd_false_error
322 #define _bfd_noarchive_slurp_extended_name_table _bfd_bool_bfd_false_error
323 extern bfd_boolean _bfd_noarchive_construct_extended_name_table
324 (bfd
*, char **, bfd_size_type
*, const char **) ATTRIBUTE_HIDDEN
;
325 extern void _bfd_noarchive_truncate_arname
326 (bfd
*, const char *, char *) ATTRIBUTE_HIDDEN
;
327 extern bfd_boolean _bfd_noarchive_write_armap
328 (bfd
*, unsigned int, struct orl
*, unsigned int, int) ATTRIBUTE_HIDDEN
;
329 #define _bfd_noarchive_read_ar_hdr _bfd_ptr_bfd_null_error
330 extern bfd_boolean _bfd_noarchive_write_ar_hdr
331 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
333 _bfd_noarchive_openr_next_archived_file
334 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
335 extern bfd
* _bfd_noarchive_get_elt_at_index
336 (bfd
*, symindex
) ATTRIBUTE_HIDDEN
;
337 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
338 #define _bfd_noarchive_update_armap_timestamp _bfd_bool_bfd_false_error
340 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
341 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
343 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
344 #define _bfd_archive_bsd_slurp_extended_name_table \
345 _bfd_slurp_extended_name_table
346 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
347 (bfd
*, char **, bfd_size_type
*, const char **) ATTRIBUTE_HIDDEN
;
348 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
349 #define _bfd_archive_bsd_write_armap _bfd_bsd_write_armap
350 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
351 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
352 #define _bfd_archive_bsd_openr_next_archived_file \
353 bfd_generic_openr_next_archived_file
354 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
355 #define _bfd_archive_bsd_generic_stat_arch_elt \
356 bfd_generic_stat_arch_elt
357 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
358 (bfd
*) ATTRIBUTE_HIDDEN
;
360 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
361 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
363 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
364 #define _bfd_archive_coff_slurp_extended_name_table \
365 _bfd_slurp_extended_name_table
366 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
367 (bfd
*, char **, bfd_size_type
*, const char **) ATTRIBUTE_HIDDEN
;
368 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
369 #define _bfd_archive_coff_write_armap _bfd_coff_write_armap
370 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
371 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
372 #define _bfd_archive_coff_openr_next_archived_file \
373 bfd_generic_openr_next_archived_file
374 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
375 #define _bfd_archive_coff_generic_stat_arch_elt \
376 bfd_generic_stat_arch_elt
377 #define _bfd_archive_coff_update_armap_timestamp _bfd_bool_bfd_true
379 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
380 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
382 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
383 #define _bfd_archive_bsd44_slurp_extended_name_table \
384 _bfd_slurp_extended_name_table
385 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
386 (bfd
*, char **, bfd_size_type
*, const char **) ATTRIBUTE_HIDDEN
;
387 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
388 #define _bfd_archive_bsd44_write_armap _bfd_bsd_write_armap
389 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
390 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
391 #define _bfd_archive_bsd44_openr_next_archived_file \
392 bfd_generic_openr_next_archived_file
393 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
394 #define _bfd_archive_bsd44_generic_stat_arch_elt \
395 bfd_generic_stat_arch_elt
396 #define _bfd_archive_bsd44_update_armap_timestamp \
397 _bfd_archive_bsd_update_armap_timestamp
399 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
400 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
403 extern bfd_boolean _bfd_vms_lib_write_archive_contents
404 (bfd
*) ATTRIBUTE_HIDDEN
;
405 #define _bfd_vms_lib_slurp_armap _bfd_noarchive_slurp_armap
406 #define _bfd_vms_lib_slurp_extended_name_table \
407 _bfd_noarchive_slurp_extended_name_table
408 #define _bfd_vms_lib_construct_extended_name_table \
409 _bfd_noarchive_construct_extended_name_table
410 #define _bfd_vms_lib_truncate_arname _bfd_noarchive_truncate_arname
411 #define _bfd_vms_lib_write_armap _bfd_noarchive_write_armap
412 #define _bfd_vms_lib_read_ar_hdr _bfd_noarchive_read_ar_hdr
413 #define _bfd_vms_lib_write_ar_hdr _bfd_noarchive_write_ar_hdr
414 extern bfd
*_bfd_vms_lib_openr_next_archived_file
415 (bfd
*, bfd
*) ATTRIBUTE_HIDDEN
;
416 extern bfd
*_bfd_vms_lib_get_elt_at_index
417 (bfd
*, symindex
) ATTRIBUTE_HIDDEN
;
418 extern int _bfd_vms_lib_generic_stat_arch_elt
419 (bfd
*, struct stat
*) ATTRIBUTE_HIDDEN
;
420 #define _bfd_vms_lib_update_armap_timestamp _bfd_bool_bfd_true
422 /* Extra routines for VMS style archives. */
424 extern symindex _bfd_vms_lib_find_symbol
425 (bfd
*, const char *) ATTRIBUTE_HIDDEN
;
426 extern bfd
*_bfd_vms_lib_get_imagelib_file
427 (bfd
*) ATTRIBUTE_HIDDEN
;
428 extern const bfd_target
*_bfd_vms_lib_alpha_archive_p
429 (bfd
*) ATTRIBUTE_HIDDEN
;
430 extern const bfd_target
*_bfd_vms_lib_ia64_archive_p
431 (bfd
*) ATTRIBUTE_HIDDEN
;
432 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive
433 (bfd
*) ATTRIBUTE_HIDDEN
;
434 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive
435 (bfd
*) ATTRIBUTE_HIDDEN
;
437 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
438 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
440 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_long_bfd_n1_error
441 extern long _bfd_nosymbols_canonicalize_symtab
442 (bfd
*, asymbol
**) ATTRIBUTE_HIDDEN
;
443 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
444 extern void _bfd_nosymbols_print_symbol
445 (bfd
*, void *, asymbol
*, bfd_print_symbol_type
) ATTRIBUTE_HIDDEN
;
446 extern void _bfd_nosymbols_get_symbol_info
447 (bfd
*, asymbol
*, symbol_info
*) ATTRIBUTE_HIDDEN
;
448 extern const char * _bfd_nosymbols_get_symbol_version_string
449 (bfd
*, asymbol
*, bfd_boolean
*) ATTRIBUTE_HIDDEN
;
450 extern bfd_boolean _bfd_nosymbols_bfd_is_local_label_name
451 (bfd
*, const char *) ATTRIBUTE_HIDDEN
;
452 #define _bfd_nosymbols_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
453 extern alent
*_bfd_nosymbols_get_lineno
454 (bfd
*, asymbol
*) ATTRIBUTE_HIDDEN
;
455 extern bfd_boolean _bfd_nosymbols_find_nearest_line
456 (bfd
*, asymbol
**, asection
*, bfd_vma
,
457 const char **, const char **, unsigned int *, unsigned int *)
459 extern bfd_boolean _bfd_nosymbols_find_line
460 (bfd
*, asymbol
**, asymbol
*, const char **, unsigned int *)
462 extern bfd_boolean _bfd_nosymbols_find_inliner_info
463 (bfd
*, const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN
;
464 extern asymbol
*_bfd_nosymbols_bfd_make_debug_symbol
465 (bfd
*, void *, unsigned long) ATTRIBUTE_HIDDEN
;
466 extern long _bfd_nosymbols_read_minisymbols
467 (bfd
*, bfd_boolean
, void **, unsigned int *) ATTRIBUTE_HIDDEN
;
468 extern asymbol
*_bfd_nosymbols_minisymbol_to_symbol
469 (bfd
*, bfd_boolean
, const void *, asymbol
*) ATTRIBUTE_HIDDEN
;
471 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
472 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
474 extern long _bfd_norelocs_get_reloc_upper_bound
475 (bfd
*, asection
*) ATTRIBUTE_HIDDEN
;
476 extern long _bfd_norelocs_canonicalize_reloc
477 (bfd
*, asection
*, arelent
**, asymbol
**) ATTRIBUTE_HIDDEN
;
478 extern void _bfd_norelocs_set_reloc
479 (bfd
*, asection
*, arelent
**, unsigned int) ATTRIBUTE_HIDDEN
;
480 extern reloc_howto_type
*_bfd_norelocs_bfd_reloc_type_lookup
481 (bfd
*, bfd_reloc_code_real_type
) ATTRIBUTE_HIDDEN
;
482 extern reloc_howto_type
*_bfd_norelocs_bfd_reloc_name_lookup
483 (bfd
*, const char *) ATTRIBUTE_HIDDEN
;
485 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
486 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
488 extern bfd_boolean _bfd_nowrite_set_arch_mach
489 (bfd
*, enum bfd_architecture
, unsigned long) ATTRIBUTE_HIDDEN
;
490 extern bfd_boolean _bfd_nowrite_set_section_contents
491 (bfd
*, asection
*, const void *, file_ptr
, bfd_size_type
) ATTRIBUTE_HIDDEN
;
493 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
494 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
496 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
497 extern bfd_boolean _bfd_generic_set_section_contents
498 (bfd
*, asection
*, const void *, file_ptr
, bfd_size_type
) ATTRIBUTE_HIDDEN
;
500 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
501 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
503 extern int _bfd_nolink_sizeof_headers
504 (bfd
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
505 extern bfd_byte
*_bfd_nolink_bfd_get_relocated_section_contents
506 (bfd
*, struct bfd_link_info
*, struct bfd_link_order
*,
507 bfd_byte
*, bfd_boolean
, asymbol
**) ATTRIBUTE_HIDDEN
;
508 extern bfd_boolean _bfd_nolink_bfd_relax_section
509 (bfd
*, asection
*, struct bfd_link_info
*, bfd_boolean
*) ATTRIBUTE_HIDDEN
;
510 #define _bfd_nolink_bfd_gc_sections _bfd_bool_bfd_link_false_error
511 extern bfd_boolean _bfd_nolink_bfd_lookup_section_flags
512 (struct bfd_link_info
*, struct flag_info
*, asection
*) ATTRIBUTE_HIDDEN
;
513 #define _bfd_nolink_bfd_merge_sections _bfd_bool_bfd_link_false_error
514 extern bfd_boolean _bfd_nolink_bfd_is_group_section
515 (bfd
*, const asection
*) ATTRIBUTE_HIDDEN
;
516 extern const char *_bfd_nolink_bfd_group_name
517 (bfd
*, const asection
*) ATTRIBUTE_HIDDEN
;
518 extern bfd_boolean _bfd_nolink_bfd_discard_group
519 (bfd
*, asection
*) ATTRIBUTE_HIDDEN
;
520 extern struct bfd_link_hash_table
*_bfd_nolink_bfd_link_hash_table_create
521 (bfd
*) ATTRIBUTE_HIDDEN
;
522 #define _bfd_nolink_bfd_link_add_symbols _bfd_bool_bfd_link_false_error
523 extern void _bfd_nolink_bfd_link_just_syms
524 (asection
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
525 extern void _bfd_nolink_bfd_copy_link_hash_symbol_type
526 (bfd
*, struct bfd_link_hash_entry
*, struct bfd_link_hash_entry
*)
528 #define _bfd_nolink_bfd_final_link _bfd_bool_bfd_link_false_error
529 extern bfd_boolean _bfd_nolink_bfd_link_split_section
530 (bfd
*, struct bfd_section
*) ATTRIBUTE_HIDDEN
;
531 extern bfd_boolean _bfd_nolink_section_already_linked
532 (bfd
*, asection
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
533 extern bfd_boolean _bfd_nolink_bfd_define_common_symbol
534 (bfd
*, struct bfd_link_info
*, struct bfd_link_hash_entry
*)
536 #define _bfd_nolink_bfd_link_hide_symbol \
537 _bfd_generic_link_hide_symbol
538 extern struct bfd_link_hash_entry
*_bfd_nolink_bfd_define_start_stop
539 (struct bfd_link_info
*, const char *, asection
*) ATTRIBUTE_HIDDEN
;
540 #define _bfd_nolink_bfd_link_check_relocs \
541 _bfd_generic_link_check_relocs
543 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
544 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
547 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_long_bfd_n1_error
548 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
549 _bfd_nosymbols_canonicalize_symtab
550 extern long _bfd_nodynamic_get_synthetic_symtab
551 (bfd
*, long, asymbol
**, long, asymbol
**, asymbol
**) ATTRIBUTE_HIDDEN
;
552 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_long_bfd_n1_error
553 extern long _bfd_nodynamic_canonicalize_dynamic_reloc
554 (bfd
*, arelent
**, asymbol
**) ATTRIBUTE_HIDDEN
;
556 /* Generic routine to determine of the given symbol is a local
558 extern bfd_boolean bfd_generic_is_local_label_name
559 (bfd
*, const char *) ATTRIBUTE_HIDDEN
;
561 /* Generic minisymbol routines. */
562 extern long _bfd_generic_read_minisymbols
563 (bfd
*, bfd_boolean
, void **, unsigned int *) ATTRIBUTE_HIDDEN
;
564 extern asymbol
*_bfd_generic_minisymbol_to_symbol
565 (bfd
*, bfd_boolean
, const void *, asymbol
*) ATTRIBUTE_HIDDEN
;
567 /* Find the nearest line using .stab/.stabstr sections. */
568 extern bfd_boolean _bfd_stab_section_find_nearest_line
569 (bfd
*, asymbol
**, asection
*, bfd_vma
, bfd_boolean
*,
570 const char **, const char **, unsigned int *, void **) ATTRIBUTE_HIDDEN
;
572 /* Find the nearest line using DWARF 1 debugging information. */
573 extern bfd_boolean _bfd_dwarf1_find_nearest_line
574 (bfd
*, asymbol
**, asection
*, bfd_vma
,
575 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN
;
577 struct dwarf_debug_section
579 const char * uncompressed_name
;
580 const char * compressed_name
;
583 /* Map of uncompressed DWARF debug section name to compressed one. It
584 is terminated by NULL uncompressed_name. */
586 extern const struct dwarf_debug_section dwarf_debug_sections
[] ATTRIBUTE_HIDDEN
;
588 /* Find the nearest line using DWARF 2 debugging information. */
589 extern int _bfd_dwarf2_find_nearest_line
590 (bfd
*, asymbol
**, asymbol
*, asection
*, bfd_vma
,
591 const char **, const char **, unsigned int *, unsigned int *,
592 const struct dwarf_debug_section
*, void **) ATTRIBUTE_HIDDEN
;
594 /* Find the bias between DWARF addresses and real addresses. */
595 extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
596 (asymbol
**, void **) ATTRIBUTE_HIDDEN
;
598 /* Find inliner info after calling bfd_find_nearest_line. */
599 extern bfd_boolean _bfd_dwarf2_find_inliner_info
600 (bfd
*, const char **, const char **, unsigned int *, void **)
603 /* Read DWARF 2 debugging information. */
604 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
605 (bfd
*, bfd
*, const struct dwarf_debug_section
*, asymbol
**, void **,
606 bfd_boolean
) ATTRIBUTE_HIDDEN
;
608 /* Clean up the data used to handle DWARF 2 debugging information. */
609 extern void _bfd_dwarf2_cleanup_debug_info
610 (bfd
*, void **) ATTRIBUTE_HIDDEN
;
612 /* Create a new section entry. */
613 extern struct bfd_hash_entry
*bfd_section_hash_newfunc
614 (struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *)
617 /* A routine to create entries for a bfd_link_hash_table. */
618 extern struct bfd_hash_entry
*_bfd_link_hash_newfunc
619 (struct bfd_hash_entry
*entry
, struct bfd_hash_table
*table
,
620 const char *string
) ATTRIBUTE_HIDDEN
;
622 /* Initialize a bfd_link_hash_table. */
623 extern bfd_boolean _bfd_link_hash_table_init
624 (struct bfd_link_hash_table
*, bfd
*,
625 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
626 struct bfd_hash_table
*,
628 unsigned int) ATTRIBUTE_HIDDEN
;
630 /* Generic link hash table creation routine. */
631 extern struct bfd_link_hash_table
*_bfd_generic_link_hash_table_create
632 (bfd
*) ATTRIBUTE_HIDDEN
;
634 /* Generic link hash table destruction routine. */
635 extern void _bfd_generic_link_hash_table_free
636 (bfd
*) ATTRIBUTE_HIDDEN
;
638 /* Generic add symbol routine. */
639 extern bfd_boolean _bfd_generic_link_add_symbols
640 (bfd
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
642 /* Generic archive add symbol routine. */
643 extern bfd_boolean _bfd_generic_link_add_archive_symbols
644 (bfd
*, struct bfd_link_info
*,
645 bfd_boolean (*) (bfd
*, struct bfd_link_info
*,
646 struct bfd_link_hash_entry
*, const char *,
647 bfd_boolean
*)) ATTRIBUTE_HIDDEN
;
649 /* Forward declaration to avoid prototype errors. */
650 typedef struct bfd_link_hash_entry _bfd_link_hash_entry
;
652 /* Generic routine to add a single symbol. */
653 extern bfd_boolean _bfd_generic_link_add_one_symbol
654 (struct bfd_link_info
*, bfd
*, const char *name
, flagword
,
655 asection
*, bfd_vma
, const char *, bfd_boolean copy
,
656 bfd_boolean constructor
, struct bfd_link_hash_entry
**) ATTRIBUTE_HIDDEN
;
658 /* Generic routine to mark section as supplying symbols only. */
659 extern void _bfd_generic_link_just_syms
660 (asection
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
662 /* Generic routine that does nothing. */
663 extern void _bfd_generic_copy_link_hash_symbol_type
664 (bfd
*, struct bfd_link_hash_entry
*, struct bfd_link_hash_entry
*)
667 /* Generic link routine. */
668 extern bfd_boolean _bfd_generic_final_link
669 (bfd
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
671 extern bfd_boolean _bfd_generic_link_split_section
672 (bfd
*, struct bfd_section
*) ATTRIBUTE_HIDDEN
;
674 extern bfd_boolean _bfd_generic_section_already_linked
675 (bfd
*, asection
*, struct bfd_link_info
*) ATTRIBUTE_HIDDEN
;
677 /* Generic reloc_link_order processing routine. */
678 extern bfd_boolean _bfd_generic_reloc_link_order
679 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*)
682 /* Default link order processing routine. */
683 extern bfd_boolean _bfd_default_link_order
684 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*)
687 /* Count the number of reloc entries in a link order list. */
688 extern unsigned int _bfd_count_link_order_relocs
689 (struct bfd_link_order
*) ATTRIBUTE_HIDDEN
;
691 /* Final link relocation routine. */
692 extern bfd_reloc_status_type _bfd_final_link_relocate
693 (reloc_howto_type
*, bfd
*, asection
*, bfd_byte
*,
694 bfd_vma
, bfd_vma
, bfd_vma
) ATTRIBUTE_HIDDEN
;
696 /* Relocate a particular location by a howto and a value. */
697 extern bfd_reloc_status_type _bfd_relocate_contents
698 (reloc_howto_type
*, bfd
*, bfd_vma
, bfd_byte
*) ATTRIBUTE_HIDDEN
;
700 /* Clear a given location using a given howto. */
701 extern bfd_reloc_status_type _bfd_clear_contents
702 (reloc_howto_type
*, bfd
*, asection
*, bfd_byte
*, bfd_vma
) ATTRIBUTE_HIDDEN
;
704 /* Link stabs in sections in the first pass. */
706 extern bfd_boolean _bfd_link_section_stabs
707 (bfd
*, struct stab_info
*, asection
*, asection
*, void **,
708 bfd_size_type
*) ATTRIBUTE_HIDDEN
;
710 /* Eliminate stabs for discarded functions and symbols. */
711 extern bfd_boolean _bfd_discard_section_stabs
712 (bfd
*, asection
*, void *, bfd_boolean (*) (bfd_vma
, void *), void *)
715 /* Write out the .stab section when linking stabs in sections. */
717 extern bfd_boolean _bfd_write_section_stabs
718 (bfd
*, struct stab_info
*, asection
*, void **, bfd_byte
*)
721 /* Write out the .stabstr string table when linking stabs in sections. */
723 extern bfd_boolean _bfd_write_stab_strings
724 (bfd
*, struct stab_info
*) ATTRIBUTE_HIDDEN
;
726 /* Find an offset within a .stab section when linking stabs in
729 extern bfd_vma _bfd_stab_section_offset
730 (asection
*, void *, bfd_vma
) ATTRIBUTE_HIDDEN
;
732 /* Register a SEC_MERGE section as a candidate for merging. */
734 extern bfd_boolean _bfd_add_merge_section
735 (bfd
*, void **, asection
*, void **) ATTRIBUTE_HIDDEN
;
737 /* Attempt to merge SEC_MERGE sections. */
739 extern bfd_boolean _bfd_merge_sections
740 (bfd
*, struct bfd_link_info
*, void *, void (*) (bfd
*, asection
*))
743 /* Write out a merged section. */
745 extern bfd_boolean _bfd_write_merged_section
746 (bfd
*, asection
*, void *) ATTRIBUTE_HIDDEN
;
748 /* Find an offset within a modified SEC_MERGE section. */
750 extern bfd_vma _bfd_merged_section_offset
751 (bfd
*, asection
**, void *, bfd_vma
) ATTRIBUTE_HIDDEN
;
753 /* Tidy up when done. */
755 extern void _bfd_merge_sections_free (void *) ATTRIBUTE_HIDDEN
;
757 /* Create a string table. */
758 extern struct bfd_strtab_hash
*_bfd_stringtab_init
759 (void) ATTRIBUTE_HIDDEN
;
761 /* Create an XCOFF .debug section style string table. */
762 extern struct bfd_strtab_hash
*_bfd_xcoff_stringtab_init
763 (void) ATTRIBUTE_HIDDEN
;
765 /* Free a string table. */
766 extern void _bfd_stringtab_free
767 (struct bfd_strtab_hash
*) ATTRIBUTE_HIDDEN
;
769 /* Get the size of a string table. */
770 extern bfd_size_type _bfd_stringtab_size
771 (struct bfd_strtab_hash
*) ATTRIBUTE_HIDDEN
;
773 /* Add a string to a string table. */
774 extern bfd_size_type _bfd_stringtab_add
775 (struct bfd_strtab_hash
*, const char *, bfd_boolean hash
, bfd_boolean copy
)
778 /* Write out a string table. */
779 extern bfd_boolean _bfd_stringtab_emit
780 (bfd
*, struct bfd_strtab_hash
*) ATTRIBUTE_HIDDEN
;
782 /* Macros to tell if bfds are read or write enabled.
784 Note that bfds open for read may be scribbled into if the fd passed
785 to bfd_fdopenr is actually open both for read and write
786 simultaneously. However an output bfd will never be open for
787 read. Therefore sometimes you want to check bfd_read_p or
788 !bfd_read_p, and only sometimes bfd_write_p.
791 #define bfd_read_p(abfd) \
792 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
793 #define bfd_write_p(abfd) \
794 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
796 extern void bfd_assert
797 (const char*,int) ATTRIBUTE_HIDDEN
;
799 #define BFD_ASSERT(x) \
800 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
803 do { bfd_assert(__FILE__,__LINE__); } while (0)
805 extern void _bfd_abort
806 (const char *, int, const char *) ATTRIBUTE_NORETURN ATTRIBUTE_HIDDEN
;
808 /* if gcc >= 2.6, we can give a function name, too */
809 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
810 #define __PRETTY_FUNCTION__ ((char *) NULL)
814 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
816 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
817 the system "off_t" or "off64_t", as the offset. */
818 extern file_ptr _bfd_real_ftell
819 (FILE *) ATTRIBUTE_HIDDEN
;
820 extern int _bfd_real_fseek
821 (FILE *, file_ptr
, int) ATTRIBUTE_HIDDEN
;
822 extern FILE *_bfd_real_fopen
823 (const char *, const char *) ATTRIBUTE_HIDDEN
;
825 /* List of supported target vectors, and the default vector (if
826 bfd_default_vector[0] is NULL, there is no default). */
827 extern const bfd_target
* const *bfd_target_vector ATTRIBUTE_HIDDEN
;
828 extern const bfd_target
*bfd_default_vector
[] ATTRIBUTE_HIDDEN
;
830 /* List of associated target vectors. */
831 extern const bfd_target
* const *bfd_associated_vector ATTRIBUTE_HIDDEN
;
833 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
834 other common header files. */
836 #if defined(__STDC__) || defined(ALMOST_STDC)
837 struct ecoff_find_line
;
840 extern bfd_boolean _bfd_ecoff_locate_line
841 (bfd
*, asection
*, bfd_vma
, struct ecoff_debug_info
* const,
842 const struct ecoff_debug_swap
* const, struct ecoff_find_line
*,
843 const char **, const char **, unsigned int *) ATTRIBUTE_HIDDEN
;
844 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
845 (void *, bfd_byte
*) ATTRIBUTE_HIDDEN
;
846 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
847 (void *, bfd_byte
*) ATTRIBUTE_HIDDEN
;
848 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
849 (void *, bfd_byte
*) ATTRIBUTE_HIDDEN
;
851 extern bfd_vma _bfd_get_gp_value
852 (bfd
*) ATTRIBUTE_HIDDEN
;
853 extern void _bfd_set_gp_value
854 (bfd
*, bfd_vma
) ATTRIBUTE_HIDDEN
;
856 /* Function shared by the COFF and ELF SH backends, which have no
857 other common header files. */
859 #ifndef _bfd_sh_align_load_span
860 extern bfd_boolean _bfd_sh_align_load_span
861 (bfd
*, asection
*, bfd_byte
*,
862 bfd_boolean (*) (bfd
*, asection
*, void *, bfd_byte
*, bfd_vma
),
863 void *, bfd_vma
**, bfd_vma
*, bfd_vma
, bfd_vma
, bfd_boolean
*) ATTRIBUTE_HIDDEN
;
866 /* This is the shape of the elements inside the already_linked hash
867 table. It maps a name onto a list of already_linked elements with
870 struct bfd_section_already_linked_hash_entry
872 struct bfd_hash_entry root
;
873 struct bfd_section_already_linked
*entry
;
876 struct bfd_section_already_linked
878 struct bfd_section_already_linked
*next
;
882 extern struct bfd_section_already_linked_hash_entry
*
883 bfd_section_already_linked_table_lookup (const char *) ATTRIBUTE_HIDDEN
;
884 extern bfd_boolean bfd_section_already_linked_table_insert
885 (struct bfd_section_already_linked_hash_entry
*, asection
*)
887 extern void bfd_section_already_linked_table_traverse
888 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry
*,
889 void *), void *) ATTRIBUTE_HIDDEN
;
891 extern bfd_vma _bfd_read_unsigned_leb128
892 (bfd
*, bfd_byte
*, unsigned int *) ATTRIBUTE_HIDDEN
;
893 extern bfd_signed_vma _bfd_read_signed_leb128
894 (bfd
*, bfd_byte
*, unsigned int *) ATTRIBUTE_HIDDEN
;
895 extern bfd_vma _bfd_safe_read_leb128
896 (bfd
*, bfd_byte
*, unsigned int *, bfd_boolean
, const bfd_byte
* const)
899 #if GCC_VERSION >= 7000
900 #define _bfd_mul_overflow(a, b, res) __builtin_mul_overflow (a, b, res)
902 /* Assumes unsigned values. Careful! Args evaluated multiple times. */
903 #define _bfd_mul_overflow(a, b, res) \
904 ((*res) = (a), (*res) *= (b), (b) != 0 && (*res) / (b) != (a))