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
6 Free Software Foundation, Inc.
8 Written by Cygnus Support.
10 This file is part of BFD, the Binary File Descriptor library.
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 /* Align an address upward to a boundary, expressed as a number of bytes.
27 E.g. align to an 8-byte boundary with argument of 8. Take care never
28 to wrap around if the address is within boundary-1 of the end of the
30 #define BFD_ALIGN(this, boundary) \
31 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
32 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
35 /* If you want to read and write large blocks, you might want to do it
36 in quanta of this amount */
37 #define DEFAULT_BUFFERSIZE 8192
39 /* Set a tdata field. Can't use the other macros for this, since they
40 do casts, and casting to the left of assignment isn't portable. */
41 #define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
43 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
44 to an instance of this structure. */
50 /* Buffer holding contents of BFD. */
54 /* tdata for an archive. For an input archive, cache
55 needs to be free()'d. For an output archive, symdefs do. */
58 file_ptr first_file_filepos
;
59 /* Speed up searching the armap */
60 struct ar_cache
*cache
;
61 bfd
*archive_head
; /* Only interesting in output routines */
62 carsym
*symdefs
; /* the symdef entries */
63 symindex symdef_count
; /* how many there are */
64 char *extended_names
; /* clever intel extension */
65 /* when more compilers are standard C, this can be a time_t */
66 long armap_timestamp
; /* Timestamp value written into armap.
67 This is used for BSD archives to check
68 that the timestamp is recent enough
69 for the BSD linker to not complain,
70 just before we finish writing an
72 file_ptr armap_datepos
; /* Position within archive to seek to
73 rewrite the date field. */
74 void *tdata
; /* Backend specific information. */
77 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
79 /* Goes in bfd's arelt_data slot */
81 char * arch_header
; /* it's actually a string */
82 unsigned int parsed_size
; /* octets of filesize not including ar_hdr */
83 char *filename
; /* null-terminated */
86 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
88 extern void *bfd_malloc
90 extern void *bfd_realloc
91 (void *, bfd_size_type
);
92 extern void *bfd_zmalloc
95 extern void _bfd_default_error_handler (const char *s
, ...);
96 extern bfd_error_handler_type _bfd_error_handler
;
98 /* These routines allocate and free things on the BFD's objalloc. */
100 extern void *bfd_alloc
101 (bfd
*, bfd_size_type
);
102 extern void *bfd_zalloc
103 (bfd
*, bfd_size_type
);
104 extern void bfd_release
107 bfd
* _bfd_create_empty_archive_element_shell
109 bfd
* _bfd_look_for_bfd_in_cache
111 bfd_boolean _bfd_add_bfd_to_archive_cache
112 (bfd
*, file_ptr
, bfd
*);
113 bfd_boolean _bfd_generic_mkarchive
115 const bfd_target
*bfd_generic_archive_p
117 bfd_boolean bfd_slurp_armap
119 bfd_boolean bfd_slurp_bsd_armap_f2
121 #define bfd_slurp_bsd_armap bfd_slurp_armap
122 #define bfd_slurp_coff_armap bfd_slurp_armap
123 bfd_boolean _bfd_slurp_extended_name_table
125 extern bfd_boolean _bfd_construct_extended_name_table
126 (bfd
*, bfd_boolean
, char **, bfd_size_type
*);
127 bfd_boolean _bfd_write_archive_contents
129 bfd_boolean _bfd_compute_and_write_armap
130 (bfd
*, unsigned int elength
);
131 bfd
*_bfd_get_elt_at_filepos
132 (bfd
*archive
, file_ptr filepos
);
133 extern bfd
*_bfd_generic_get_elt_at_index
140 bfd_boolean bfd_false
144 void *bfd_nullvoidptr
157 bfd
*_bfd_new_bfd_contained_in
159 const bfd_target
*_bfd_dummy_target
162 void bfd_dont_truncate_arname
163 (bfd
*abfd
, const char *filename
, char *hdr
);
164 void bfd_bsd_truncate_arname
165 (bfd
*abfd
, const char *filename
, char *hdr
);
166 void bfd_gnu_truncate_arname
167 (bfd
*abfd
, const char *filename
, char *hdr
);
169 bfd_boolean bsd_write_armap
170 (bfd
*arch
, unsigned int elength
, struct orl
*map
, unsigned int orl_count
,
173 bfd_boolean coff_write_armap
174 (bfd
*arch
, unsigned int elength
, struct orl
*map
, unsigned int orl_count
,
177 extern void *_bfd_generic_read_ar_hdr
180 extern void *_bfd_generic_read_ar_hdr_mag
181 (bfd
*, const char *);
183 bfd
* bfd_generic_openr_next_archived_file
184 (bfd
*archive
, bfd
*last_file
);
186 int bfd_generic_stat_arch_elt
187 (bfd
*, struct stat
*);
189 #define _bfd_read_ar_hdr(abfd) \
190 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
192 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
193 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
195 #define _bfd_generic_close_and_cleanup bfd_true
196 #define _bfd_generic_bfd_free_cached_info bfd_true
197 #define _bfd_generic_new_section_hook \
198 ((bfd_boolean (*) (bfd *, asection *)) bfd_true)
199 extern bfd_boolean _bfd_generic_get_section_contents
200 (bfd
*, asection
*, void *, file_ptr
, bfd_size_type
);
201 extern bfd_boolean _bfd_generic_get_section_contents_in_window
202 (bfd
*, asection
*, bfd_window
*, file_ptr
, bfd_size_type
);
204 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
205 BFD_JUMP_TABLE_COPY (_bfd_generic). */
207 #define _bfd_generic_bfd_copy_private_bfd_data \
208 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
209 #define _bfd_generic_bfd_merge_private_bfd_data \
210 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
211 #define _bfd_generic_bfd_set_private_flags \
212 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
213 #define _bfd_generic_bfd_copy_private_section_data \
214 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
215 #define _bfd_generic_bfd_copy_private_symbol_data \
216 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
217 #define _bfd_generic_bfd_copy_private_header_data \
218 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
219 #define _bfd_generic_bfd_print_private_bfd_data \
220 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
222 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
223 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
225 extern char *_bfd_nocore_core_file_failing_command
227 extern int _bfd_nocore_core_file_failing_signal
229 extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
232 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
233 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
235 #define _bfd_noarchive_slurp_armap bfd_false
236 #define _bfd_noarchive_slurp_extended_name_table bfd_false
237 #define _bfd_noarchive_construct_extended_name_table \
238 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
240 #define _bfd_noarchive_truncate_arname \
241 ((void (*) (bfd *, const char *, char *)) bfd_void)
242 #define _bfd_noarchive_write_armap \
243 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
245 #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
246 #define _bfd_noarchive_openr_next_archived_file \
247 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
248 #define _bfd_noarchive_get_elt_at_index \
249 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
250 #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
251 #define _bfd_noarchive_update_armap_timestamp bfd_false
253 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
254 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
256 #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
257 #define _bfd_archive_bsd_slurp_extended_name_table \
258 _bfd_slurp_extended_name_table
259 extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
260 (bfd
*, char **, bfd_size_type
*, const char **);
261 #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
262 #define _bfd_archive_bsd_write_armap bsd_write_armap
263 #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
264 #define _bfd_archive_bsd_openr_next_archived_file \
265 bfd_generic_openr_next_archived_file
266 #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
267 #define _bfd_archive_bsd_generic_stat_arch_elt \
268 bfd_generic_stat_arch_elt
269 extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
272 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
273 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
275 #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
276 #define _bfd_archive_coff_slurp_extended_name_table \
277 _bfd_slurp_extended_name_table
278 extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
279 (bfd
*, char **, bfd_size_type
*, const char **);
280 #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
281 #define _bfd_archive_coff_write_armap coff_write_armap
282 #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
283 #define _bfd_archive_coff_openr_next_archived_file \
284 bfd_generic_openr_next_archived_file
285 #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
286 #define _bfd_archive_coff_generic_stat_arch_elt \
287 bfd_generic_stat_arch_elt
288 #define _bfd_archive_coff_update_armap_timestamp bfd_true
290 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
291 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
293 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
294 #define _bfd_nosymbols_canonicalize_symtab \
295 ((long (*) (bfd *, asymbol **)) _bfd_n1)
296 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
297 #define _bfd_nosymbols_print_symbol \
298 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
299 #define _bfd_nosymbols_get_symbol_info \
300 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
301 #define _bfd_nosymbols_bfd_is_local_label_name \
302 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
303 #define _bfd_nosymbols_bfd_is_target_special_symbol \
304 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
305 #define _bfd_nosymbols_get_lineno \
306 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
307 #define _bfd_nosymbols_find_nearest_line \
308 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
309 const char **, unsigned int *)) \
311 #define _bfd_nosymbols_bfd_make_debug_symbol \
312 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
313 #define _bfd_nosymbols_read_minisymbols \
314 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
315 #define _bfd_nosymbols_minisymbol_to_symbol \
316 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
319 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
320 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
322 #define _bfd_norelocs_get_reloc_upper_bound \
323 ((long (*) (bfd *, asection *)) _bfd_n1)
324 #define _bfd_norelocs_canonicalize_reloc \
325 ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1)
326 #define _bfd_norelocs_bfd_reloc_type_lookup \
327 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
329 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
330 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
332 #define _bfd_nowrite_set_arch_mach \
333 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
335 #define _bfd_nowrite_set_section_contents \
336 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
339 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
340 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
342 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
343 extern bfd_boolean _bfd_generic_set_section_contents
344 (bfd
*, asection
*, const void *, file_ptr
, bfd_size_type
);
346 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
347 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
349 #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0)
350 #define _bfd_nolink_bfd_get_relocated_section_contents \
351 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
352 bfd_byte *, bfd_boolean, asymbol **)) \
354 #define _bfd_nolink_bfd_relax_section \
356 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
358 #define _bfd_nolink_bfd_gc_sections \
359 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
361 #define _bfd_nolink_bfd_merge_sections \
362 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
364 #define _bfd_nolink_bfd_is_group_section \
365 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
367 #define _bfd_nolink_bfd_discard_group \
368 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
370 #define _bfd_nolink_bfd_link_hash_table_create \
371 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
372 #define _bfd_nolink_bfd_link_hash_table_free \
373 ((void (*) (struct bfd_link_hash_table *)) bfd_void)
374 #define _bfd_nolink_bfd_link_add_symbols \
375 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
376 #define _bfd_nolink_bfd_link_just_syms \
377 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
378 #define _bfd_nolink_bfd_final_link \
379 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
380 #define _bfd_nolink_bfd_link_split_section \
381 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
382 #define _bfd_nolink_section_already_linked \
383 ((void (*) (bfd *, struct bfd_section *)) bfd_void)
385 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
386 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
389 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
390 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
391 ((long (*) (bfd *, asymbol **)) _bfd_n1)
392 #define _bfd_nodynamic_get_synthetic_symtab \
393 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
394 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
395 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
396 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
398 /* Generic routine to determine of the given symbol is a local
400 extern bfd_boolean bfd_generic_is_local_label_name
401 (bfd
*, const char *);
403 /* Generic minisymbol routines. */
404 extern long _bfd_generic_read_minisymbols
405 (bfd
*, bfd_boolean
, void **, unsigned int *);
406 extern asymbol
*_bfd_generic_minisymbol_to_symbol
407 (bfd
*, bfd_boolean
, const void *, asymbol
*);
409 /* Find the nearest line using .stab/.stabstr sections. */
410 extern bfd_boolean _bfd_stab_section_find_nearest_line
411 (bfd
*, asymbol
**, asection
*, bfd_vma
, bfd_boolean
*,
412 const char **, const char **, unsigned int *, void **);
414 /* Find the neaderst line using DWARF 1 debugging information. */
415 extern bfd_boolean _bfd_dwarf1_find_nearest_line
416 (bfd
*, asection
*, asymbol
**, bfd_vma
, const char **,
417 const char **, unsigned int *);
419 /* Find the nearest line using DWARF 2 debugging information. */
420 extern bfd_boolean _bfd_dwarf2_find_nearest_line
421 (bfd
*, asection
*, asymbol
**, bfd_vma
, const char **, const char **,
422 unsigned int *, unsigned int, void **);
424 /* Create a new section entry. */
425 extern struct bfd_hash_entry
*bfd_section_hash_newfunc
426 (struct bfd_hash_entry
*, struct bfd_hash_table
*, const char *);
428 /* A routine to create entries for a bfd_link_hash_table. */
429 extern struct bfd_hash_entry
*_bfd_link_hash_newfunc
430 (struct bfd_hash_entry
*entry
, struct bfd_hash_table
*table
,
433 /* Initialize a bfd_link_hash_table. */
434 extern bfd_boolean _bfd_link_hash_table_init
435 (struct bfd_link_hash_table
*, bfd
*,
436 struct bfd_hash_entry
*(*) (struct bfd_hash_entry
*,
437 struct bfd_hash_table
*,
440 /* Generic link hash table creation routine. */
441 extern struct bfd_link_hash_table
*_bfd_generic_link_hash_table_create
444 /* Generic link hash table destruction routine. */
445 extern void _bfd_generic_link_hash_table_free
446 (struct bfd_link_hash_table
*);
448 /* Generic add symbol routine. */
449 extern bfd_boolean _bfd_generic_link_add_symbols
450 (bfd
*, struct bfd_link_info
*);
452 /* Generic add symbol routine. This version is used by targets for
453 which the linker must collect constructors and destructors by name,
454 as the collect2 program does. */
455 extern bfd_boolean _bfd_generic_link_add_symbols_collect
456 (bfd
*, struct bfd_link_info
*);
458 /* Generic archive add symbol routine. */
459 extern bfd_boolean _bfd_generic_link_add_archive_symbols
460 (bfd
*, struct bfd_link_info
*,
461 bfd_boolean (*) (bfd
*, struct bfd_link_info
*, bfd_boolean
*));
463 /* Forward declaration to avoid prototype errors. */
464 typedef struct bfd_link_hash_entry _bfd_link_hash_entry
;
466 /* Generic routine to add a single symbol. */
467 extern bfd_boolean _bfd_generic_link_add_one_symbol
468 (struct bfd_link_info
*, bfd
*, const char *name
, flagword
,
469 asection
*, bfd_vma
, const char *, bfd_boolean copy
,
470 bfd_boolean constructor
, struct bfd_link_hash_entry
**);
472 /* Generic routine to mark section as supplying symbols only. */
473 extern void _bfd_generic_link_just_syms
474 (asection
*, struct bfd_link_info
*);
476 /* Generic link routine. */
477 extern bfd_boolean _bfd_generic_final_link
478 (bfd
*, struct bfd_link_info
*);
480 extern bfd_boolean _bfd_generic_link_split_section
481 (bfd
*, struct bfd_section
*);
483 extern void _bfd_generic_section_already_linked
484 (bfd
*, struct bfd_section
*);
486 /* Generic reloc_link_order processing routine. */
487 extern bfd_boolean _bfd_generic_reloc_link_order
488 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*);
490 /* Default link order processing routine. */
491 extern bfd_boolean _bfd_default_link_order
492 (bfd
*, struct bfd_link_info
*, asection
*, struct bfd_link_order
*);
494 /* Count the number of reloc entries in a link order list. */
495 extern unsigned int _bfd_count_link_order_relocs
496 (struct bfd_link_order
*);
498 /* Final link relocation routine. */
499 extern bfd_reloc_status_type _bfd_final_link_relocate
500 (reloc_howto_type
*, bfd
*, asection
*, bfd_byte
*,
501 bfd_vma
, bfd_vma
, bfd_vma
);
503 /* Relocate a particular location by a howto and a value. */
504 extern bfd_reloc_status_type _bfd_relocate_contents
505 (reloc_howto_type
*, bfd
*, bfd_vma
, bfd_byte
*);
507 /* Link stabs in sections in the first pass. */
509 extern bfd_boolean _bfd_link_section_stabs
510 (bfd
*, struct stab_info
*, asection
*, asection
*, void **,
513 /* Eliminate stabs for discarded functions and symbols. */
514 extern bfd_boolean _bfd_discard_section_stabs
515 (bfd
*, asection
*, void *, bfd_boolean (*) (bfd_vma
, void *), void *);
517 /* Write out the .stab section when linking stabs in sections. */
519 extern bfd_boolean _bfd_write_section_stabs
520 (bfd
*, struct stab_info
*, asection
*, void **, bfd_byte
*);
522 /* Write out the .stabstr string table when linking stabs in sections. */
524 extern bfd_boolean _bfd_write_stab_strings
525 (bfd
*, struct stab_info
*);
527 /* Find an offset within a .stab section when linking stabs in
530 extern bfd_vma _bfd_stab_section_offset
531 (asection
*, void *, bfd_vma
);
533 /* Register a SEC_MERGE section as a candidate for merging. */
535 extern bfd_boolean _bfd_add_merge_section
536 (bfd
*, void **, asection
*, void **);
538 /* Attempt to merge SEC_MERGE sections. */
540 extern bfd_boolean _bfd_merge_sections
541 (bfd
*, struct bfd_link_info
*, void *, void (*) (bfd
*, asection
*));
543 /* Write out a merged section. */
545 extern bfd_boolean _bfd_write_merged_section
546 (bfd
*, asection
*, void *);
548 /* Find an offset within a modified SEC_MERGE section. */
550 extern bfd_vma _bfd_merged_section_offset
551 (bfd
*, asection
**, void *, bfd_vma
);
553 /* Create a string table. */
554 extern struct bfd_strtab_hash
*_bfd_stringtab_init
557 /* Create an XCOFF .debug section style string table. */
558 extern struct bfd_strtab_hash
*_bfd_xcoff_stringtab_init
561 /* Free a string table. */
562 extern void _bfd_stringtab_free
563 (struct bfd_strtab_hash
*);
565 /* Get the size of a string table. */
566 extern bfd_size_type _bfd_stringtab_size
567 (struct bfd_strtab_hash
*);
569 /* Add a string to a string table. */
570 extern bfd_size_type _bfd_stringtab_add
571 (struct bfd_strtab_hash
*, const char *, bfd_boolean hash
, bfd_boolean copy
);
573 /* Write out a string table. */
574 extern bfd_boolean _bfd_stringtab_emit
575 (bfd
*, struct bfd_strtab_hash
*);
577 /* Check that endianness of input and output file match. */
578 extern bfd_boolean _bfd_generic_verify_endian_match
581 /* Macros to tell if bfds are read or write enabled.
583 Note that bfds open for read may be scribbled into if the fd passed
584 to bfd_fdopenr is actually open both for read and write
585 simultaneously. However an output bfd will never be open for
586 read. Therefore sometimes you want to check bfd_read_p or
587 !bfd_read_p, and only sometimes bfd_write_p.
590 #define bfd_read_p(abfd) \
591 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
592 #define bfd_write_p(abfd) \
593 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
598 #define BFD_ASSERT(x) \
599 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
602 do { bfd_assert(__FILE__,__LINE__); } while (0)
604 extern void _bfd_abort
605 (const char *, int, const char *) ATTRIBUTE_NORETURN
;
607 /* if gcc >= 2.6, we can give a function name, too */
608 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
609 #define __PRETTY_FUNCTION__ ((char *) NULL)
613 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
615 /* Manipulate a system FILE but using BFD's "file_ptr", rather than
616 the system "off_t" or "off64_t", as the offset. */
617 extern file_ptr
real_ftell (FILE *file
);
618 extern int real_fseek (FILE *file
, file_ptr offset
, int whence
);
620 FILE * bfd_cache_lookup_worker
623 extern bfd
*bfd_last_cache
;
625 /* List of supported target vectors, and the default vector (if
626 bfd_default_vector[0] is NULL, there is no default). */
627 extern const bfd_target
* const *bfd_target_vector
;
628 extern const bfd_target
*bfd_default_vector
[];
630 /* List of associated target vectors. */
631 extern const bfd_target
* const *bfd_associated_vector
;
633 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
634 other common header files. */
636 #if defined(__STDC__) || defined(ALMOST_STDC)
637 struct ecoff_find_line
;
640 extern bfd_boolean _bfd_ecoff_locate_line
641 (bfd
*, asection
*, bfd_vma
, struct ecoff_debug_info
* const,
642 const struct ecoff_debug_swap
* const, struct ecoff_find_line
*,
643 const char **, const char **, unsigned int *);
644 extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
645 (void *, bfd_byte
*);
646 extern bfd_boolean _bfd_ecoff_get_accumulated_sym
647 (void *, bfd_byte
*);
648 extern bfd_boolean _bfd_ecoff_get_accumulated_ss
649 (void *, bfd_byte
*);
651 extern bfd_vma _bfd_get_gp_value
653 extern void _bfd_set_gp_value
656 /* Function shared by the COFF and ELF SH backends, which have no
657 other common header files. */
659 #ifndef _bfd_sh_align_load_span
660 extern bfd_boolean _bfd_sh_align_load_span
661 (bfd
*, asection
*, bfd_byte
*,
662 bfd_boolean (*) (bfd
*, asection
*, void *, bfd_byte
*, bfd_vma
),
663 void *, bfd_vma
**, bfd_vma
*, bfd_vma
, bfd_vma
, bfd_boolean
*);
666 /* This is the shape of the elements inside the already_linked hash
667 table. It maps a name onto a list of already_linked elements with
670 struct bfd_section_already_linked_hash_entry
672 struct bfd_hash_entry root
;
673 struct bfd_section_already_linked
*entry
;
676 struct bfd_section_already_linked
678 struct bfd_section_already_linked
*next
;
682 extern struct bfd_section_already_linked_hash_entry
*
683 bfd_section_already_linked_table_lookup (const char *);
684 extern void bfd_section_already_linked_table_insert
685 (struct bfd_section_already_linked_hash_entry
*, asection
*);
686 extern void bfd_section_already_linked_table_traverse
687 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry
*,
690 extern bfd_vma
read_unsigned_leb128 (bfd
*, bfd_byte
*, unsigned int *);
691 extern bfd_signed_vma
read_signed_leb128 (bfd
*, bfd_byte
*, unsigned int *);