1 /* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
4 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
5 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
7 Free Software Foundation, Inc.
9 Written by Cygnus Support.
11 This file is part of BFD, the Binary File Descriptor library.
13 This program is free software; you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; either version 3 of the License, or
16 (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, write to the Free Software
25 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
26 MA 02110-1301, USA. */
30 /* Align an address upward to a boundary, expressed as a number of bytes.
31 E.g. align to an 8-byte boundary with argument of 8. Take care never
32 to wrap around if the address is within boundary-1 of the end of the
34 #define BFD_ALIGN(this, boundary) \
35 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
36 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
39 /* If you want to read and write large blocks, you might want to do it
40 in quanta of this amount */
41 #define DEFAULT_BUFFERSIZE 8192
43 /* Set a tdata field. Can't use the other macros for this, since they
44 do casts, and casting to the left of assignment isn't portable. */
45 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
47 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
48 to an instance of this structure. */
54 /* Buffer holding contents of BFD. */
58 struct section_hash_entry
60 struct bfd_hash_entry root;
64 /* tdata for an archive. For an input archive, cache
65 needs to be free()'d. For an output archive, symdefs do. */
69 file_ptr first_file_filepos;
70 /* Speed up searching the armap */
72 bfd *archive_head; /* Only interesting in output routines. */
73 carsym *symdefs; /* The symdef entries. */
74 symindex symdef_count; /* How many there are. */
75 char *extended_names; /* Clever intel extension. */
76 bfd_size_type extended_names_size; /* Size of extended names. */
77 /* When more compilers are standard C, this can be a time_t. */
78 long armap_timestamp; /* Timestamp value written into armap.
79 This is used for BSD archives to check
80 that the timestamp is recent enough
81 for the BSD linker to not complain,
82 just before we finish writing an
84 file_ptr armap_datepos; /* Position within archive to seek to
85 rewrite the date field. */
86 void *tdata; /* Backend specific information. */
89 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
91 /* Goes in bfd's arelt_data slot */
94 char * arch_header; /* It's actually a string. */
95 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */
96 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */
97 char *filename; /* Null-terminated. */
98 file_ptr origin; /* For element of a thin archive. */
99 void *parent_cache; /* Where and how to find this member. */
103 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
105 extern void *bfd_malloc
107 extern void *bfd_realloc
108 (void *, bfd_size_type);
109 extern void *bfd_realloc_or_free
110 (void *, bfd_size_type);
111 extern void *bfd_zmalloc
113 extern void *bfd_malloc2
114 (bfd_size_type, bfd_size_type);
115 extern void *bfd_realloc2
116 (void *, bfd_size_type, bfd_size_type);
117 extern void *bfd_zmalloc2
118 (bfd_size_type, bfd_size_type);
120 extern void _bfd_default_error_handler (const char *s, ...);
121 extern bfd_error_handler_type _bfd_error_handler;
122 extern bfd_assert_handler_type _bfd_assert_handler;
124 /* These routines allocate and free things on the BFD's objalloc. */
126 extern void *bfd_alloc2
127 (bfd *, bfd_size_type, bfd_size_type);
128 extern void *bfd_zalloc2
129 (bfd *, bfd_size_type, bfd_size_type);
130 extern void bfd_release
133 bfd * _bfd_create_empty_archive_element_shell
135 bfd * _bfd_look_for_bfd_in_cache
137 bfd_boolean _bfd_add_bfd_to_archive_cache
138 (bfd *, file_ptr, bfd *);
139 bfd_boolean _bfd_generic_mkarchive
141 char *_bfd_append_relative_path
142 (bfd *arch, char *elt_name);
143 const bfd_target *bfd_generic_archive_p
145 bfd_boolean bfd_slurp_armap
147 bfd_boolean bfd_slurp_bsd_armap_f2
149 #define bfd_slurp_bsd_armap bfd_slurp_armap
150 #define bfd_slurp_coff_armap bfd_slurp_armap
151 bfd_boolean _bfd_slurp_extended_name_table
153 extern bfd_boolean _bfd_construct_extended_name_table
154 (bfd *, bfd_boolean, char **, bfd_size_type *);
155 bfd_boolean _bfd_write_archive_contents
157 bfd_boolean _bfd_compute_and_write_armap
158 (bfd *, unsigned int elength);
159 bfd *_bfd_get_elt_at_filepos
160 (bfd *archive, file_ptr filepos);
161 extern bfd *_bfd_generic_get_elt_at_index
165 bfd_boolean _bfd_free_cached_info
168 bfd_boolean bfd_false
172 void *bfd_nullvoidptr
185 bfd *_bfd_new_bfd_contained_in
187 const bfd_target *_bfd_dummy_target
190 void bfd_dont_truncate_arname
191 (bfd *abfd, const char *filename, char *hdr);
192 void bfd_bsd_truncate_arname
193 (bfd *abfd, const char *filename, char *hdr);
194 void bfd_gnu_truncate_arname
195 (bfd *abfd, const char *filename, char *hdr);
197 bfd_boolean bsd_write_armap
198 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
201 bfd_boolean coff_write_armap
202 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
205 extern void *_bfd_generic_read_ar_hdr
207 extern void _bfd_ar_spacepad
208 (char *, size_t, const char *, long);
209 extern bfd_boolean _bfd_ar_sizepad
210 (char *, size_t, bfd_size_type);
212 extern void *_bfd_generic_read_ar_hdr_mag
213 (bfd *, const char *);
215 extern bfd_boolean _bfd_generic_write_ar_hdr
218 extern bfd_boolean _bfd_bsd44_write_ar_hdr
221 bfd * bfd_generic_openr_next_archived_file
222 (bfd *archive, bfd *last_file);
224 int bfd_generic_stat_arch_elt
225 (bfd *, struct stat *);
227 #define _bfd_read_ar_hdr(abfd) \
228 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
229 #define _bfd_write_ar_hdr(archive, abfd) \
230 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
232 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
233 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
235 #define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
236 extern bfd_boolean _bfd_archive_close_and_cleanup
238 #define _bfd_generic_bfd_free_cached_info bfd_true
239 extern bfd_boolean _bfd_generic_new_section_hook
241 extern bfd_boolean _bfd_generic_get_section_contents
242 (bfd *, asection *, void *, file_ptr, bfd_size_type);
243 extern bfd_boolean _bfd_generic_get_section_contents_in_window
244 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
246 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
247 BFD_JUMP_TABLE_COPY (_bfd_generic). */
249 #define _bfd_generic_bfd_copy_private_bfd_data \
250 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
251 #define _bfd_generic_bfd_merge_private_bfd_data \
252 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
253 #define _bfd_generic_bfd_set_private_flags \
254 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
255 #define _bfd_generic_bfd_copy_private_section_data \
256 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
257 #define _bfd_generic_bfd_copy_private_symbol_data \
258 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
259 #define _bfd_generic_bfd_copy_private_header_data \
260 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
261 #define _bfd_generic_bfd_print_private_bfd_data \
262 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
264 extern bfd_boolean _bfd_generic_init_private_section_data
265 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
267 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
268 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
270 extern char *_bfd_nocore_core_file_failing_command
272 extern int _bfd_nocore_core_file_failing_signal
274 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
276 extern int _bfd_nocore_core_file_pid
279 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
280 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
282 #define _bfd_noarchive_slurp_armap bfd_false
283 #define _bfd_noarchive_slurp_extended_name_table bfd_false
284 #define _bfd_noarchive_construct_extended_name_table \
285 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
287 #define _bfd_noarchive_truncate_arname \
288 ((void (*) (bfd *, const char *, char *)) bfd_void)
289 #define _bfd_noarchive_write_armap \
290 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
292 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
293 #define _bfd_noarchive_write_ar_hdr \
294 ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
295 #define _bfd_noarchive_openr_next_archived_file \
296 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
297 #define _bfd_noarchive_get_elt_at_index \
298 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
299 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
300 #define _bfd_noarchive_update_armap_timestamp bfd_false
302 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
303 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
305 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
306 #define _bfd_archive_bsd_slurp_extended_name_table \
307 _bfd_slurp_extended_name_table
308 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
309 (bfd *, char **, bfd_size_type *, const char **);
310 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
311 #define _bfd_archive_bsd_write_armap bsd_write_armap
312 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
313 #define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
314 #define _bfd_archive_bsd_openr_next_archived_file \
315 bfd_generic_openr_next_archived_file
316 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
317 #define _bfd_archive_bsd_generic_stat_arch_elt \
318 bfd_generic_stat_arch_elt
319 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
322 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
323 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
325 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
326 #define _bfd_archive_coff_slurp_extended_name_table \
327 _bfd_slurp_extended_name_table
328 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
329 (bfd *, char **, bfd_size_type *, const char **);
330 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
331 #define _bfd_archive_coff_write_armap coff_write_armap
332 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
333 #define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
334 #define _bfd_archive_coff_openr_next_archived_file \
335 bfd_generic_openr_next_archived_file
336 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
337 #define _bfd_archive_coff_generic_stat_arch_elt \
338 bfd_generic_stat_arch_elt
339 #define _bfd_archive_coff_update_armap_timestamp bfd_true
341 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
342 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
344 #define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
345 #define _bfd_archive_bsd44_slurp_extended_name_table \
346 _bfd_slurp_extended_name_table
347 extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
348 (bfd *, char **, bfd_size_type *, const char **);
349 #define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
350 #define _bfd_archive_bsd44_write_armap bsd_write_armap
351 #define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
352 #define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
353 #define _bfd_archive_bsd44_openr_next_archived_file \
354 bfd_generic_openr_next_archived_file
355 #define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
356 #define _bfd_archive_bsd44_generic_stat_arch_elt \
357 bfd_generic_stat_arch_elt
358 #define _bfd_archive_bsd44_update_armap_timestamp \
359 _bfd_archive_bsd_update_armap_timestamp
361 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
362 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
363 are irrelevant and never called, so defined as NULL. */
365 extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch);
366 #define _bfd_vms_lib_slurp_armap NULL
367 #define _bfd_vms_lib_slurp_extended_name_table NULL
368 #define _bfd_vms_lib_construct_extended_name_table NULL
369 #define _bfd_vms_lib_truncate_arname NULL
370 #define _bfd_vms_lib_write_armap NULL
371 #define _bfd_vms_lib_read_ar_hdr NULL
372 #define _bfd_vms_lib_write_ar_hdr NULL
373 extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
374 extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
375 extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
376 #define _bfd_vms_lib_update_armap_timestamp bfd_true
378 /* Extra routines for VMS style archives. */
380 extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
381 extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
382 extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd);
383 extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd);
384 extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd);
385 extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd);
387 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
388 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
390 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
391 #define _bfd_nosymbols_canonicalize_symtab \
392 ((long (*) (bfd *, asymbol **)) _bfd_n1)
393 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
394 #define _bfd_nosymbols_print_symbol \
395 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
396 #define _bfd_nosymbols_get_symbol_info \
397 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
398 #define _bfd_nosymbols_bfd_is_local_label_name \
399 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
400 #define _bfd_nosymbols_bfd_is_target_special_symbol \
401 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
402 #define _bfd_nosymbols_get_lineno \
403 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
404 #define _bfd_nosymbols_find_nearest_line \
405 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
406 const char **, unsigned int *)) \
408 #define _bfd_nosymbols_find_inliner_info \
409 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
411 #define _bfd_nosymbols_bfd_make_debug_symbol \
412 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
413 #define _bfd_nosymbols_read_minisymbols \
414 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
415 #define _bfd_nosymbols_minisymbol_to_symbol \
416 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
419 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
420 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
422 extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
423 extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
424 arelent **, asymbol **);
425 #define _bfd_norelocs_bfd_reloc_type_lookup \
426 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
427 #define _bfd_norelocs_bfd_reloc_name_lookup \
428 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
430 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
431 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
433 #define _bfd_nowrite_set_arch_mach \
434 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
436 #define _bfd_nowrite_set_section_contents \
437 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
440 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
441 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
443 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
444 extern bfd_boolean _bfd_generic_set_section_contents
445 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
447 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
448 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
450 #define _bfd_nolink_sizeof_headers \
451 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
452 #define _bfd_nolink_bfd_get_relocated_section_contents \
453 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
454 bfd_byte *, bfd_boolean, asymbol **)) \
456 #define _bfd_nolink_bfd_relax_section \
458 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
460 #define _bfd_nolink_bfd_gc_sections \
461 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
463 #define _bfd_nolink_bfd_lookup_section_flags \
464 ((bfd_boolean (*) (struct bfd_link_info *, struct flag_info *, asection *)) \
466 #define _bfd_nolink_bfd_merge_sections \
467 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
469 #define _bfd_nolink_bfd_is_group_section \
470 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
472 #define _bfd_nolink_bfd_discard_group \
473 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
475 #define _bfd_nolink_bfd_link_hash_table_create \
476 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
477 #define _bfd_nolink_bfd_link_hash_table_free \
478 ((void (*) (struct bfd_link_hash_table *)) bfd_void)
479 #define _bfd_nolink_bfd_link_add_symbols \
480 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
481 #define _bfd_nolink_bfd_link_just_syms \
482 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
483 #define _bfd_nolink_bfd_copy_link_hash_symbol_type \
484 ((void (*) (bfd *, struct bfd_link_hash_entry *, \
485 struct bfd_link_hash_entry *)) bfd_void)
486 #define _bfd_nolink_bfd_final_link \
487 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
488 #define _bfd_nolink_bfd_link_split_section \
489 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
490 #define _bfd_nolink_section_already_linked \
491 ((bfd_boolean (*) (bfd *, asection *, \
492 struct bfd_link_info *)) bfd_false)
493 #define _bfd_nolink_bfd_define_common_symbol \
494 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
495 struct bfd_link_hash_entry *)) bfd_false)
497 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
498 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
501 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
502 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
503 ((long (*) (bfd *, asymbol **)) _bfd_n1)
504 #define _bfd_nodynamic_get_synthetic_symtab \
505 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
506 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
507 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
508 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
510 /* Generic routine to determine of the given symbol is a local
512 extern bfd_boolean bfd_generic_is_local_label_name
513 (bfd *, const char *);
515 /* Generic minisymbol routines. */
516 extern long _bfd_generic_read_minisymbols
517 (bfd *, bfd_boolean, void **, unsigned int *);
518 extern asymbol *_bfd_generic_minisymbol_to_symbol
519 (bfd *, bfd_boolean, const void *, asymbol *);
521 /* Find the nearest line using .stab/.stabstr sections. */
522 extern bfd_boolean _bfd_stab_section_find_nearest_line
523 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
524 const char **, const char **, unsigned int *, void **);
526 /* Find the nearest line using DWARF 1 debugging information. */
527 extern bfd_boolean _bfd_dwarf1_find_nearest_line
528 (bfd *, asection *, asymbol **, bfd_vma, const char **,
529 const char **, unsigned int *);
531 struct dwarf_debug_section
533 const char *uncompressed_name;
534 const char *compressed_name;
537 /* Map of uncompressed DWARF debug section name to compressed one. It
538 is terminated by NULL uncompressed_name. */
540 extern const struct dwarf_debug_section dwarf_debug_sections[];
542 /* Find the nearest line using DWARF 2 debugging information. */
543 extern bfd_boolean _bfd_dwarf2_find_nearest_line
544 (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, bfd_vma,
545 const char **, const char **, unsigned int *, unsigned int *, unsigned int,
548 /* Find the line using DWARF 2 debugging information. */
549 extern bfd_boolean _bfd_dwarf2_find_line
550 (bfd *, asymbol **, asymbol *, const char **,
551 unsigned int *, unsigned int *, unsigned int, void **);
553 bfd_boolean _bfd_generic_find_line
554 (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
556 bfd_boolean _bfd_generic_find_nearest_line_discriminator
557 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
558 unsigned int *, unsigned int *);
560 /* Find inliner info after calling bfd_find_nearest_line. */
561 extern bfd_boolean _bfd_dwarf2_find_inliner_info
562 (bfd *, const char **, const char **, unsigned int *, void **);
564 /* Read DWARF 2 debugging information. */
565 extern bfd_boolean _bfd_dwarf2_slurp_debug_info
566 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **);
568 /* Clean up the data used to handle DWARF 2 debugging information. */
569 extern void _bfd_dwarf2_cleanup_debug_info
572 /* Create a new section entry. */
573 extern struct bfd_hash_entry *bfd_section_hash_newfunc
574 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
576 /* A routine to create entries for a bfd_link_hash_table. */
577 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
578 (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
581 /* Initialize a bfd_link_hash_table. */
582 extern bfd_boolean _bfd_link_hash_table_init
583 (struct bfd_link_hash_table *, bfd *,
584 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
585 struct bfd_hash_table *,
589 /* Generic link hash table creation routine. */
590 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
593 /* Generic link hash table destruction routine. */
594 extern void _bfd_generic_link_hash_table_free
595 (struct bfd_link_hash_table *);
597 /* Generic add symbol routine. */
598 extern bfd_boolean _bfd_generic_link_add_symbols
599 (bfd *, struct bfd_link_info *);
601 /* Generic add symbol routine. This version is used by targets for
602 which the linker must collect constructors and destructors by name,
603 as the collect2 program does. */
604 extern bfd_boolean _bfd_generic_link_add_symbols_collect
605 (bfd *, struct bfd_link_info *);
607 /* Generic archive add symbol routine. */
608 extern bfd_boolean _bfd_generic_link_add_archive_symbols
609 (bfd *, struct bfd_link_info *,
610 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
612 /* Forward declaration to avoid prototype errors. */
613 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
615 /* Generic routine to add a single symbol. */
616 extern bfd_boolean _bfd_generic_link_add_one_symbol
617 (struct bfd_link_info *, bfd *, const char *name, flagword,
618 asection *, bfd_vma, const char *, bfd_boolean copy,
619 bfd_boolean constructor, struct bfd_link_hash_entry **);
621 /* Generic routine to mark section as supplying symbols only. */
622 extern void _bfd_generic_link_just_syms
623 (asection *, struct bfd_link_info *);
625 /* Generic routine that does nothing. */
626 extern void _bfd_generic_copy_link_hash_symbol_type
627 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
629 /* Generic link routine. */
630 extern bfd_boolean _bfd_generic_final_link
631 (bfd *, struct bfd_link_info *);
633 extern bfd_boolean _bfd_generic_link_split_section
634 (bfd *, struct bfd_section *);
636 extern bfd_boolean _bfd_generic_section_already_linked
637 (bfd *, asection *, struct bfd_link_info *);
639 /* Generic reloc_link_order processing routine. */
640 extern bfd_boolean _bfd_generic_reloc_link_order
641 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
643 /* Default link order processing routine. */
644 extern bfd_boolean _bfd_default_link_order
645 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
647 /* Count the number of reloc entries in a link order list. */
648 extern unsigned int _bfd_count_link_order_relocs
649 (struct bfd_link_order *);
651 /* Final link relocation routine. */
652 extern bfd_reloc_status_type _bfd_final_link_relocate
653 (reloc_howto_type *, bfd *, asection *, bfd_byte *,
654 bfd_vma, bfd_vma, bfd_vma);
656 /* Relocate a particular location by a howto and a value. */
657 extern bfd_reloc_status_type _bfd_relocate_contents
658 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
660 /* Clear a given location using a given howto. */
661 extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
662 asection *input_section, bfd_byte *location);
664 /* Link stabs in sections in the first pass. */
666 extern bfd_boolean _bfd_link_section_stabs
667 (bfd *, struct stab_info *, asection *, asection *, void **,
670 /* Eliminate stabs for discarded functions and symbols. */
671 extern bfd_boolean _bfd_discard_section_stabs
672 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
674 /* Write out the .stab section when linking stabs in sections. */
676 extern bfd_boolean _bfd_write_section_stabs
677 (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
679 /* Write out the .stabstr string table when linking stabs in sections. */
681 extern bfd_boolean _bfd_write_stab_strings
682 (bfd *, struct stab_info *);
684 /* Find an offset within a .stab section when linking stabs in
687 extern bfd_vma _bfd_stab_section_offset
688 (asection *, void *, bfd_vma);
690 /* Register a SEC_MERGE section as a candidate for merging. */
692 extern bfd_boolean _bfd_add_merge_section
693 (bfd *, void **, asection *, void **);
695 /* Attempt to merge SEC_MERGE sections. */
697 extern bfd_boolean _bfd_merge_sections
698 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
700 /* Write out a merged section. */
702 extern bfd_boolean _bfd_write_merged_section
703 (bfd *, asection *, void *);
705 /* Find an offset within a modified SEC_MERGE section. */
707 extern bfd_vma _bfd_merged_section_offset
708 (bfd *, asection **, void *, bfd_vma);
710 /* Create a string table. */
711 extern struct bfd_strtab_hash *_bfd_stringtab_init
714 /* Create an XCOFF .debug section style string table. */
715 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
718 /* Free a string table. */
719 extern void _bfd_stringtab_free
720 (struct bfd_strtab_hash *);
722 /* Get the size of a string table. */
723 extern bfd_size_type _bfd_stringtab_size
724 (struct bfd_strtab_hash *);
726 /* Add a string to a string table. */
727 extern bfd_size_type _bfd_stringtab_add
728 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
730 /* Write out a string table. */
731 extern bfd_boolean _bfd_stringtab_emit
732 (bfd *, struct bfd_strtab_hash *);
734 /* Check that endianness of input and output file match. */
735 extern bfd_boolean _bfd_generic_verify_endian_match
738 /* Macros to tell if bfds are read or write enabled.
740 Note that bfds open for read may be scribbled into if the fd passed
741 to bfd_fdopenr is actually open both for read and write
742 simultaneously. However an output bfd will never be open for
743 read. Therefore sometimes you want to check bfd_read_p or
744 !bfd_read_p, and only sometimes bfd_write_p.
747 #define bfd_read_p(abfd) \
748 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
749 #define bfd_write_p(abfd) \
750 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
755 #define BFD_ASSERT(x) \
756 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
759 do { bfd_assert(__FILE__,__LINE__); } while (0)
761 extern void _bfd_abort
762 (const char *, int, const char *) ATTRIBUTE_NORETURN;
764 /* if gcc >= 2.6, we can give a function name, too */
765 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
766 #define __PRETTY_FUNCTION__ ((char *) NULL)
770 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
772 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
773 the system "off_t" or "off64_t", as the offset. */
774 extern file_ptr real_ftell (FILE *file);
775 extern int real_fseek (FILE *file, file_ptr offset, int whence);
776 extern FILE *real_fopen (const char *filename, const char *modes);
778 /* List of supported target vectors, and the default vector (if
779 bfd_default_vector[0] is NULL, there is no default). */
780 extern const bfd_target * const *bfd_target_vector;
781 extern const bfd_target *bfd_default_vector[];
783 /* List of associated target vectors. */
784 extern const bfd_target * const *bfd_associated_vector;
786 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
787 other common header files. */
789 #if defined(__STDC__) || defined(ALMOST_STDC)
790 struct ecoff_find_line;
793 extern bfd_boolean _bfd_ecoff_locate_line
794 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
795 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
796 const char **, const char **, unsigned int *);
797 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
798 (void *, bfd_byte *);
799 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
800 (void *, bfd_byte *);
801 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
802 (void *, bfd_byte *);
804 extern bfd_vma _bfd_get_gp_value
806 extern void _bfd_set_gp_value
809 /* Function shared by the COFF and ELF SH backends, which have no
810 other common header files. */
812 #ifndef _bfd_sh_align_load_span
813 extern bfd_boolean _bfd_sh_align_load_span
814 (bfd *, asection *, bfd_byte *,
815 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
816 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
819 /* This is the shape of the elements inside the already_linked hash
820 table. It maps a name onto a list of already_linked elements with
823 struct bfd_section_already_linked_hash_entry
825 struct bfd_hash_entry root;
826 struct bfd_section_already_linked *entry;
829 struct bfd_section_already_linked
831 struct bfd_section_already_linked *next;
835 extern struct bfd_section_already_linked_hash_entry *
836 bfd_section_already_linked_table_lookup (const char *);
837 extern bfd_boolean bfd_section_already_linked_table_insert
838 (struct bfd_section_already_linked_hash_entry *, asection *);
839 extern void bfd_section_already_linked_table_traverse
840 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
843 extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
844 extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);