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 Free Software Foundation, Inc.
7 Written by Cygnus Support.
9 This file is part of BFD, the Binary File Descriptor library.
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 /* Align an address upward to a boundary, expressed as a number of bytes.
26 E.g. align to an 8-byte boundary with argument of 8. Take care never
27 to wrap around if the address is within boundary-1 of the end of the
29 #define BFD_ALIGN(this, boundary) \
30 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
31 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
34 /* If you want to read and write large blocks, you might want to do it
35 in quanta of this amount */
36 #define DEFAULT_BUFFERSIZE 8192
38 /* Set a tdata field. Can't use the other macros for this, since they
39 do casts, and casting to the left of assignment isn't portable. */
40 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
42 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
43 to an instance of this structure. */
49 /* Buffer holding contents of BFD. */
53 /* tdata for an archive. For an input archive, cache
54 needs to be free()'d. For an output archive, symdefs do. */
57 file_ptr first_file_filepos
;
58 /* Speed up searching the armap */
59 struct ar_cache
*cache
;
60 bfd
*archive_head
; /* Only interesting in output routines */
61 carsym
*symdefs
; /* the symdef entries */
62 symindex symdef_count
; /* how many there are */
63 char *extended_names
; /* clever intel extension */
64 /* when more compilers are standard C, this can be a time_t */
65 long armap_timestamp
; /* Timestamp value written into armap.
66 This is used for BSD archives to check
67 that the timestamp is recent enough
68 for the BSD linker to not complain,
69 just before we finish writing an
71 file_ptr armap_datepos
; /* Position within archive to seek to
72 rewrite the date field. */
73 void *tdata
; /* Backend specific information. */
76 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
78 /* Goes in bfd's arelt_data slot */
80 char * arch_header
; /* it's actually a string */
81 unsigned int parsed_size
; /* octets of filesize not including ar_hdr */
82 char *filename
; /* null-terminated */
85 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
87 extern void *bfd_malloc
89 extern void *bfd_realloc
90 (void *, bfd_size_type
);
91 extern void *bfd_zmalloc
94 extern bfd_error_handler_type _bfd_error_handler
;
96 /* These routines allocate and free things on the BFD's objalloc. */
98 extern void *bfd_alloc
99 (bfd
*, bfd_size_type
);
100 extern void *bfd_zalloc
101 (bfd
*, bfd_size_type
);
102 extern void bfd_release
105 bfd
* _bfd_create_empty_archive_element_shell
107 bfd
* _bfd_look_for_bfd_in_cache
109 bfd_boolean _bfd_add_bfd_to_archive_cache
110 (bfd
*, file_ptr
, bfd
*);
111 bfd_boolean _bfd_generic_mkarchive
113 const bfd_target
*bfd_generic_archive_p
115 bfd_boolean bfd_slurp_armap
117 bfd_boolean bfd_slurp_bsd_armap_f2
119 #define bfd_slurp_bsd_armap bfd_slurp_armap
120 #define bfd_slurp_coff_armap bfd_slurp_armap
121 bfd_boolean _bfd_slurp_extended_name_table
123 extern bfd_boolean _bfd_construct_extended_name_table
124 (bfd
*, bfd_boolean
, char **, bfd_size_type
*);
125 bfd_boolean _bfd_write_archive_contents
127 bfd_boolean _bfd_compute_and_write_armap
128 (bfd
*, unsigned int elength
);
129 bfd
*_bfd_get_elt_at_filepos
130 (bfd
*archive
, file_ptr filepos
);
131 extern bfd
*_bfd_generic_get_elt_at_index
138 bfd_boolean bfd_false
142 void *bfd_nullvoidptr
155 bfd
*_bfd_new_bfd_contained_in
157 const bfd_target
*_bfd_dummy_target
160 void bfd_dont_truncate_arname
161 (bfd
*abfd
, const char *filename
, char *hdr
);
162 void bfd_bsd_truncate_arname
163 (bfd
*abfd
, const char *filename
, char *hdr
);
164 void bfd_gnu_truncate_arname
165 (bfd
*abfd
, const char *filename
, char *hdr
);
167 bfd_boolean bsd_write_armap
168 (bfd
*arch
, unsigned int elength
, struct orl
*map
, unsigned int orl_count
,
171 bfd_boolean coff_write_armap
172 (bfd
*arch
, unsigned int elength
, struct orl
*map
, unsigned int orl_count
,
175 extern void *_bfd_generic_read_ar_hdr
178 extern void *_bfd_generic_read_ar_hdr_mag
179 (bfd
*, const char *);
181 bfd
* bfd_generic_openr_next_archived_file
182 (bfd
*archive
, bfd
*last_file
);
184 int bfd_generic_stat_arch_elt
185 (bfd
*, struct stat
*);
187 #define _bfd_read_ar_hdr(abfd) \
188 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
190 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
191 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
193 #define _bfd_generic_close_and_cleanup bfd_true
194 #define _bfd_generic_bfd_free_cached_info bfd_true
195 #define _bfd_generic_new_section_hook \
196 ((bfd_boolean (*) (bfd *, asection *)) bfd_true)
197 extern bfd_boolean _bfd_generic_get_section_contents
198 (bfd
*, asection
*, void *, file_ptr
, bfd_size_type
);
199 extern bfd_boolean _bfd_generic_get_section_contents_in_window
200 (bfd
*, asection
*, bfd_window
*, file_ptr
, bfd_size_type
);
202 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
203 BFD_JUMP_TABLE_COPY (_bfd_generic). */
205 #define _bfd_generic_bfd_copy_private_bfd_data \
206 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
207 #define _bfd_generic_bfd_merge_private_bfd_data \
208 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
209 #define _bfd_generic_bfd_set_private_flags \
210 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
211 #define _bfd_generic_bfd_copy_private_section_data \
212 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
213 #define _bfd_generic_bfd_copy_private_symbol_data \
214 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
215 #define _bfd_generic_bfd_copy_private_header_data \
216 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
217 #define _bfd_generic_bfd_print_private_bfd_data \
218 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
220 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
221 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
223 extern char *_bfd_nocore_core_file_failing_command
225 extern int _bfd_nocore_core_file_failing_signal
227 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
230 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
231 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
233 #define _bfd_noarchive_slurp_armap bfd_false
234 #define _bfd_noarchive_slurp_extended_name_table bfd_false
235 #define _bfd_noarchive_construct_extended_name_table \
236 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
238 #define _bfd_noarchive_truncate_arname \
239 ((void (*) (bfd *, const char *, char *)) bfd_void)
240 #define _bfd_noarchive_write_armap \
241 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
243 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
244 #define _bfd_noarchive_openr_next_archived_file \
245 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
246 #define _bfd_noarchive_get_elt_at_index \
247 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
248 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
249 #define _bfd_noarchive_update_armap_timestamp bfd_false
251 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
252 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
254 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
255 #define _bfd_archive_bsd_slurp_extended_name_table \
256 _bfd_slurp_extended_name_table
257 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
258 (bfd
*, char **, bfd_size_type
*, const char **);
259 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
260 #define _bfd_archive_bsd_write_armap bsd_write_armap
261 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
262 #define _bfd_archive_bsd_openr_next_archived_file \
263 bfd_generic_openr_next_archived_file
264 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
265 #define _bfd_archive_bsd_generic_stat_arch_elt \
266 bfd_generic_stat_arch_elt
267 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
270 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
271 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
273 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
274 #define _bfd_archive_coff_slurp_extended_name_table \
275 _bfd_slurp_extended_name_table
276 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
277 (bfd
*, char **, bfd_size_type
*, const char **);
278 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
279 #define _bfd_archive_coff_write_armap coff_write_armap
280 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
281 #define _bfd_archive_coff_openr_next_archived_file \
282 bfd_generic_openr_next_archived_file
283 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
284 #define _bfd_archive_coff_generic_stat_arch_elt \
285 bfd_generic_stat_arch_elt
286 #define _bfd_archive_coff_update_armap_timestamp bfd_true
288 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
289 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
291 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
292 #define _bfd_nosymbols_canonicalize_symtab \
293 ((long (*) (bfd *, asymbol **)) _bfd_n1)
294 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
295 #define _bfd_nosymbols_print_symbol \
296 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
297 #define _bfd_nosymbols_get_symbol_info \
298 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
299 #define _bfd_nosymbols_bfd_is_local_label_name \
300 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
301 #define _bfd_nosymbols_get_lineno \
302 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
303 #define _bfd_nosymbols_find_nearest_line \
304 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
305 const char **, unsigned int *)) \
307 #define _bfd_nosymbols_bfd_make_debug_symbol \
308 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
309 #define _bfd_nosymbols_read_minisymbols \
310 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
311 #define _bfd_nosymbols_minisymbol_to_symbol \
312 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
315 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
316 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
318 #define _bfd_norelocs_get_reloc_upper_bound \
319 ((long (*) (bfd *, asection *)) _bfd_n1)
320 #define _bfd_norelocs_canonicalize_reloc \
321 ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1)
322 #define _bfd_norelocs_bfd_reloc_type_lookup \
323 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
325 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
326 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
328 #define _bfd_nowrite_set_arch_mach \
329 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
331 #define _bfd_nowrite_set_section_contents \
332 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
335 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
336 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
338 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
339 extern bfd_boolean _bfd_generic_set_section_contents
340 (bfd
*, asection
*, const void *, file_ptr
, bfd_size_type
);
342 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
343 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
345 #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0)
346 #define _bfd_nolink_bfd_get_relocated_section_contents \
347 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
348 bfd_byte *, bfd_boolean, asymbol **)) \
350 #define _bfd_nolink_bfd_relax_section \
352 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
354 #define _bfd_nolink_bfd_gc_sections \
355 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
357 #define _bfd_nolink_bfd_merge_sections \
358 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
360 #define _bfd_nolink_bfd_is_group_section \
361 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
363 #define _bfd_nolink_bfd_discard_group \
364 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
366 #define _bfd_nolink_bfd_link_hash_table_create \
367 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
368 #define _bfd_nolink_bfd_link_hash_table_free \
369 ((void (*) (struct bfd_link_hash_table *)) bfd_void)
370 #define _bfd_nolink_bfd_link_add_symbols \
371 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
372 #define _bfd_nolink_bfd_link_just_syms \
373 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
374 #define _bfd_nolink_bfd_final_link \
375 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
376 #define _bfd_nolink_bfd_link_split_section \
377 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
378 #define _bfd_nolink_section_already_linked \
379 ((void (*) (bfd *, struct bfd_section *)) bfd_void)
381 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
382 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
385 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
386 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
387 ((long (*) (bfd *, asymbol **)) _bfd_n1)
388 #define _bfd_nodynamic_get_synthetic_symtab \
389 ((long (*) (bfd *, asymbol **, asymbol **)) _bfd_n1)
390 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
391 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
392 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
394 /* Generic routine to determine of the given symbol is a local
396 extern bfd_boolean bfd_generic_is_local_label_name
397 (bfd
*, const char *);
399 /* Generic minisymbol routines. */
400 extern long _bfd_generic_read_minisymbols
401 (bfd
*, bfd_boolean
, void **, unsigned int *);
402 extern asymbol
*_bfd_generic_minisymbol_to_symbol
403 (bfd
*, bfd_boolean
, const void *, asymbol
*);
405 /* Find the nearest line using .stab/.stabstr sections. */
406 extern bfd_boolean _bfd_stab_section_find_nearest_line
407 (bfd
*, asymbol
**, asection
*, bfd_vma
, bfd_boolean
*,
408 const char **, const char **, unsigned int *, void **);
410 /* Find the neaderst line using DWARF 1 debugging information. */
411 extern bfd_boolean _bfd_dwarf1_find_nearest_line
412 (bfd
*, asection
*, asymbol
**, bfd_vma
, const char **,
413 const char **, unsigned int *);
415 /* Find the nearest line using DWARF 2 debugging information. */
416 extern bfd_boolean _bfd_dwarf2_find_nearest_line
417 (bfd
*, asection
*, asymbol
**, bfd_vma
, const char **, const char **,
418 unsigned int *, unsigned int, void **);
420 /* Create a new section entry. */
421 extern struct bfd_hash_entry
*bfd_section_hash_newfunc
422 (struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *);
424 /* A routine to create entries for a bfd_link_hash_table. */
425 extern struct bfd_hash_entry
*_bfd_link_hash_newfunc
426 (struct bfd_hash_entry
*entry
, struct bfd_hash_table
*table
,
429 /* Initialize a bfd_link_hash_table. */
430 extern bfd_boolean _bfd_link_hash_table_init
431 (struct bfd_link_hash_table
*, bfd
*,
432 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
433 struct bfd_hash_table
*,
436 /* Generic link hash table creation routine. */
437 extern struct bfd_link_hash_table
*_bfd_generic_link_hash_table_create
440 /* Generic link hash table destruction routine. */
441 extern void _bfd_generic_link_hash_table_free
442 (struct bfd_link_hash_table
*);
444 /* Generic add symbol routine. */
445 extern bfd_boolean _bfd_generic_link_add_symbols
446 (bfd
*, struct bfd_link_info
*);
448 /* Generic add symbol routine. This version is used by targets for
449 which the linker must collect constructors and destructors by name,
450 as the collect2 program does. */
451 extern bfd_boolean _bfd_generic_link_add_symbols_collect
452 (bfd
*, struct bfd_link_info
*);
454 /* Generic archive add symbol routine. */
455 extern bfd_boolean _bfd_generic_link_add_archive_symbols
456 (bfd
*, struct bfd_link_info
*,
457 bfd_boolean (*) (bfd
*, struct bfd_link_info
*, bfd_boolean
*));
459 /* Forward declaration to avoid prototype errors. */
460 typedef struct bfd_link_hash_entry _bfd_link_hash_entry
;
462 /* Generic routine to add a single symbol. */
463 extern bfd_boolean _bfd_generic_link_add_one_symbol
464 (struct bfd_link_info
*, bfd
*, const char *name
, flagword
,
465 asection
*, bfd_vma
, const char *, bfd_boolean copy
,
466 bfd_boolean constructor
, struct bfd_link_hash_entry
**);
468 /* Generic routine to mark section as supplying symbols only. */
469 extern void _bfd_generic_link_just_syms
470 (asection
*, struct bfd_link_info
*);
472 /* Generic link routine. */
473 extern bfd_boolean _bfd_generic_final_link
474 (bfd
*, struct bfd_link_info
*);
476 extern bfd_boolean _bfd_generic_link_split_section
477 (bfd
*, struct bfd_section
*);
479 extern void _bfd_generic_section_already_linked
480 (bfd
*, struct bfd_section
*);
482 /* Generic reloc_link_order processing routine. */
483 extern bfd_boolean _bfd_generic_reloc_link_order
484 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*);
486 /* Default link order processing routine. */
487 extern bfd_boolean _bfd_default_link_order
488 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*);
490 /* Count the number of reloc entries in a link order list. */
491 extern unsigned int _bfd_count_link_order_relocs
492 (struct bfd_link_order
*);
494 /* Final link relocation routine. */
495 extern bfd_reloc_status_type _bfd_final_link_relocate
496 (reloc_howto_type
*, bfd
*, asection
*, bfd_byte
*,
497 bfd_vma
, bfd_vma
, bfd_vma
);
499 /* Relocate a particular location by a howto and a value. */
500 extern bfd_reloc_status_type _bfd_relocate_contents
501 (reloc_howto_type
*, bfd
*, bfd_vma
, bfd_byte
*);
503 /* Link stabs in sections in the first pass. */
505 extern bfd_boolean _bfd_link_section_stabs
506 (bfd
*, struct stab_info
*, asection
*, asection
*, void **,
509 /* Eliminate stabs for discarded functions and symbols. */
510 extern bfd_boolean _bfd_discard_section_stabs
511 (bfd
*, asection
*, void *, bfd_boolean (*) (bfd_vma
, void *), void *);
513 /* Write out the .stab section when linking stabs in sections. */
515 extern bfd_boolean _bfd_write_section_stabs
516 (bfd
*, struct stab_info
*, asection
*, void **, bfd_byte
*);
518 /* Write out the .stabstr string table when linking stabs in sections. */
520 extern bfd_boolean _bfd_write_stab_strings
521 (bfd
*, struct stab_info
*);
523 /* Find an offset within a .stab section when linking stabs in
526 extern bfd_vma _bfd_stab_section_offset
527 (asection
*, void *, bfd_vma
);
529 /* Register a SEC_MERGE section as a candidate for merging. */
531 extern bfd_boolean _bfd_add_merge_section
532 (bfd
*, void **, asection
*, void **);
534 /* Attempt to merge SEC_MERGE sections. */
536 extern bfd_boolean _bfd_merge_sections
537 (bfd
*, struct bfd_link_info
*, void *, void (*) (bfd
*, asection
*));
539 /* Write out a merged section. */
541 extern bfd_boolean _bfd_write_merged_section
542 (bfd
*, asection
*, void *);
544 /* Find an offset within a modified SEC_MERGE section. */
546 extern bfd_vma _bfd_merged_section_offset
547 (bfd
*, asection
**, void *, bfd_vma
);
549 /* Create a string table. */
550 extern struct bfd_strtab_hash
*_bfd_stringtab_init
553 /* Create an XCOFF .debug section style string table. */
554 extern struct bfd_strtab_hash
*_bfd_xcoff_stringtab_init
557 /* Free a string table. */
558 extern void _bfd_stringtab_free
559 (struct bfd_strtab_hash
*);
561 /* Get the size of a string table. */
562 extern bfd_size_type _bfd_stringtab_size
563 (struct bfd_strtab_hash
*);
565 /* Add a string to a string table. */
566 extern bfd_size_type _bfd_stringtab_add
567 (struct bfd_strtab_hash
*, const char *, bfd_boolean hash
, bfd_boolean copy
);
569 /* Write out a string table. */
570 extern bfd_boolean _bfd_stringtab_emit
571 (bfd
*, struct bfd_strtab_hash
*);
573 /* Check that endianness of input and output file match. */
574 extern bfd_boolean _bfd_generic_verify_endian_match
577 /* Macros to tell if bfds are read or write enabled.
579 Note that bfds open for read may be scribbled into if the fd passed
580 to bfd_fdopenr is actually open both for read and write
581 simultaneously. However an output bfd will never be open for
582 read. Therefore sometimes you want to check bfd_read_p or
583 !bfd_read_p, and only sometimes bfd_write_p.
586 #define bfd_read_p(abfd) \
587 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
588 #define bfd_write_p(abfd) \
589 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
594 #define BFD_ASSERT(x) \
595 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
598 { bfd_assert(__FILE__,__LINE__); }
600 extern void _bfd_abort
601 (const char *, int, const char *) ATTRIBUTE_NORETURN
;
603 /* if gcc >= 2.6, we can give a function name, too */
604 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
605 #define __PRETTY_FUNCTION__ ((char *) NULL)
609 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
611 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
612 the system "off_t" or "off64_t", as the offset. */
613 extern file_ptr
real_ftell (FILE *file
);
614 extern int real_fseek (FILE *file
, file_ptr offset
, int whence
);
616 FILE * bfd_cache_lookup_worker
619 extern bfd
*bfd_last_cache
;
621 /* List of supported target vectors, and the default vector (if
622 bfd_default_vector[0] is NULL, there is no default). */
623 extern const bfd_target
* const *bfd_target_vector
;
624 extern const bfd_target
*bfd_default_vector
[];
626 /* List of associated target vectors. */
627 extern const bfd_target
* const *bfd_associated_vector
;
629 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
630 other common header files. */
632 #if defined(__STDC__) || defined(ALMOST_STDC)
633 struct ecoff_find_line
;
636 extern bfd_boolean _bfd_ecoff_locate_line
637 (bfd
*, asection
*, bfd_vma
, struct ecoff_debug_info
* const,
638 const struct ecoff_debug_swap
* const, struct ecoff_find_line
*,
639 const char **, const char **, unsigned int *);
640 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
641 (void *, bfd_byte
*);
642 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
643 (void *, bfd_byte
*);
644 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
645 (void *, bfd_byte
*);
647 extern bfd_vma _bfd_get_gp_value
649 extern void _bfd_set_gp_value
652 /* Function shared by the COFF and ELF SH backends, which have no
653 other common header files. */
655 #ifndef _bfd_sh_align_load_span
656 extern bfd_boolean _bfd_sh_align_load_span
657 (bfd
*, asection
*, bfd_byte
*,
658 bfd_boolean (*) (bfd
*, asection
*, void *, bfd_byte
*, bfd_vma
),
659 void *, bfd_vma
**, bfd_vma
*, bfd_vma
, bfd_vma
, bfd_boolean
*);
662 /* This is the shape of the elements inside the already_linked hash
663 table. It maps a name onto a list of already_linked elements with
666 struct bfd_section_already_linked_hash_entry
668 struct bfd_hash_entry root
;
669 struct bfd_section_already_linked
*entry
;
672 struct bfd_section_already_linked
674 struct bfd_section_already_linked
*next
;
678 extern struct bfd_section_already_linked_hash_entry
*
679 bfd_section_already_linked_table_lookup (const char *);
680 extern void bfd_section_already_linked_table_insert
681 (struct bfd_section_already_linked_hash_entry
*, asection
*);