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2004-02-11 Andrew Cagney <cagney@redhat.com>
[deliverable/binutils-gdb.git] / bfd / libbfd-in.h
... / ...
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1/* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
3
4 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
5 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
6
7 Written by Cygnus Support.
8
9This file is part of BFD, the Binary File Descriptor library.
10
11This program is free software; you can redistribute it and/or modify
12it under the terms of the GNU General Public License as published by
13the Free Software Foundation; either version 2 of the License, or
14(at your option) any later version.
15
16This program is distributed in the hope that it will be useful,
17but WITHOUT ANY WARRANTY; without even the implied warranty of
18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19GNU General Public License for more details.
20
21You should have received a copy of the GNU General Public License
22along with this program; if not, write to the Free Software
23Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24
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
28 address space. */
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)) \
32 : ~ (bfd_vma) 0)
33
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
37
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))
41
42/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
43 to an instance of this structure. */
44
45struct bfd_in_memory
46{
47 /* Size of buffer. */
48 bfd_size_type size;
49 /* Buffer holding contents of BFD. */
50 bfd_byte *buffer;
51};
52
53/* tdata for an archive. For an input archive, cache
54 needs to be free()'d. For an output archive, symdefs do. */
55
56struct artdata {
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
70 archive. */
71 file_ptr armap_datepos; /* Position within archive to seek to
72 rewrite the date field. */
73 void *tdata; /* Backend specific information. */
74};
75
76#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
77
78/* Goes in bfd's arelt_data slot */
79struct areltdata {
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 */
83};
84
85#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
86
87extern void *bfd_malloc
88 (bfd_size_type);
89extern void *bfd_realloc
90 (void *, bfd_size_type);
91extern void *bfd_zmalloc
92 (bfd_size_type);
93
94extern bfd_error_handler_type _bfd_error_handler;
95
96/* These routines allocate and free things on the BFD's objalloc. */
97
98extern void *bfd_alloc
99 (bfd *, bfd_size_type);
100extern void *bfd_zalloc
101 (bfd *, bfd_size_type);
102extern void bfd_release
103 (bfd *, void *);
104
105bfd * _bfd_create_empty_archive_element_shell
106 (bfd *obfd);
107bfd * _bfd_look_for_bfd_in_cache
108 (bfd *, file_ptr);
109bfd_boolean _bfd_add_bfd_to_archive_cache
110 (bfd *, file_ptr, bfd *);
111bfd_boolean _bfd_generic_mkarchive
112 (bfd *abfd);
113const bfd_target *bfd_generic_archive_p
114 (bfd *abfd);
115bfd_boolean bfd_slurp_armap
116 (bfd *abfd);
117bfd_boolean bfd_slurp_bsd_armap_f2
118 (bfd *abfd);
119#define bfd_slurp_bsd_armap bfd_slurp_armap
120#define bfd_slurp_coff_armap bfd_slurp_armap
121bfd_boolean _bfd_slurp_extended_name_table
122 (bfd *abfd);
123extern bfd_boolean _bfd_construct_extended_name_table
124 (bfd *, bfd_boolean, char **, bfd_size_type *);
125bfd_boolean _bfd_write_archive_contents
126 (bfd *abfd);
127bfd_boolean _bfd_compute_and_write_armap
128 (bfd *, unsigned int elength);
129bfd *_bfd_get_elt_at_filepos
130 (bfd *archive, file_ptr filepos);
131extern bfd *_bfd_generic_get_elt_at_index
132 (bfd *, symindex);
133bfd * _bfd_new_bfd
134 (void);
135void _bfd_delete_bfd
136 (bfd *);
137
138bfd_boolean bfd_false
139 (bfd *ignore);
140bfd_boolean bfd_true
141 (bfd *ignore);
142void *bfd_nullvoidptr
143 (bfd *ignore);
144int bfd_0
145 (bfd *ignore);
146unsigned int bfd_0u
147 (bfd *ignore);
148long bfd_0l
149 (bfd *ignore);
150long _bfd_n1
151 (bfd *ignore);
152void bfd_void
153 (bfd *ignore);
154
155bfd *_bfd_new_bfd_contained_in
156 (bfd *);
157const bfd_target *_bfd_dummy_target
158 (bfd *abfd);
159
160void bfd_dont_truncate_arname
161 (bfd *abfd, const char *filename, char *hdr);
162void bfd_bsd_truncate_arname
163 (bfd *abfd, const char *filename, char *hdr);
164void bfd_gnu_truncate_arname
165 (bfd *abfd, const char *filename, char *hdr);
166
167bfd_boolean bsd_write_armap
168 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
169 int stridx);
170
171bfd_boolean coff_write_armap
172 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
173 int stridx);
174
175extern void *_bfd_generic_read_ar_hdr
176 (bfd *);
177
178extern void *_bfd_generic_read_ar_hdr_mag
179 (bfd *, const char *);
180
181bfd * bfd_generic_openr_next_archived_file
182 (bfd *archive, bfd *last_file);
183
184int bfd_generic_stat_arch_elt
185 (bfd *, struct stat *);
186
187#define _bfd_read_ar_hdr(abfd) \
188 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
189\f
190/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
191 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
192
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)
197extern bfd_boolean _bfd_generic_get_section_contents
198 (bfd *, asection *, void *, file_ptr, bfd_size_type);
199extern bfd_boolean _bfd_generic_get_section_contents_in_window
200 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
201
202/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
203 BFD_JUMP_TABLE_COPY (_bfd_generic). */
204
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_print_private_bfd_data \
216 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
217
218/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
219 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
220
221extern char *_bfd_nocore_core_file_failing_command
222 (bfd *);
223extern int _bfd_nocore_core_file_failing_signal
224 (bfd *);
225extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
226 (bfd *, bfd *);
227
228/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
229 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
230
231#define _bfd_noarchive_slurp_armap bfd_false
232#define _bfd_noarchive_slurp_extended_name_table bfd_false
233#define _bfd_noarchive_construct_extended_name_table \
234 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
235 bfd_false)
236#define _bfd_noarchive_truncate_arname \
237 ((void (*) (bfd *, const char *, char *)) bfd_void)
238#define _bfd_noarchive_write_armap \
239 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
240 bfd_false)
241#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
242#define _bfd_noarchive_openr_next_archived_file \
243 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
244#define _bfd_noarchive_get_elt_at_index \
245 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
246#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
247#define _bfd_noarchive_update_armap_timestamp bfd_false
248
249/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
250 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
251
252#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
253#define _bfd_archive_bsd_slurp_extended_name_table \
254 _bfd_slurp_extended_name_table
255extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
256 (bfd *, char **, bfd_size_type *, const char **);
257#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
258#define _bfd_archive_bsd_write_armap bsd_write_armap
259#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
260#define _bfd_archive_bsd_openr_next_archived_file \
261 bfd_generic_openr_next_archived_file
262#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
263#define _bfd_archive_bsd_generic_stat_arch_elt \
264 bfd_generic_stat_arch_elt
265extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
266 (bfd *);
267
268/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
269 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
270
271#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
272#define _bfd_archive_coff_slurp_extended_name_table \
273 _bfd_slurp_extended_name_table
274extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
275 (bfd *, char **, bfd_size_type *, const char **);
276#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
277#define _bfd_archive_coff_write_armap coff_write_armap
278#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
279#define _bfd_archive_coff_openr_next_archived_file \
280 bfd_generic_openr_next_archived_file
281#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
282#define _bfd_archive_coff_generic_stat_arch_elt \
283 bfd_generic_stat_arch_elt
284#define _bfd_archive_coff_update_armap_timestamp bfd_true
285
286/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
287 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
288
289#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
290#define _bfd_nosymbols_canonicalize_symtab \
291 ((long (*) (bfd *, asymbol **)) _bfd_n1)
292#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
293#define _bfd_nosymbols_print_symbol \
294 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
295#define _bfd_nosymbols_get_symbol_info \
296 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
297#define _bfd_nosymbols_bfd_is_local_label_name \
298 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
299#define _bfd_nosymbols_get_lineno \
300 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
301#define _bfd_nosymbols_find_nearest_line \
302 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
303 const char **, unsigned int *)) \
304 bfd_false)
305#define _bfd_nosymbols_bfd_make_debug_symbol \
306 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
307#define _bfd_nosymbols_read_minisymbols \
308 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
309#define _bfd_nosymbols_minisymbol_to_symbol \
310 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
311 bfd_nullvoidptr)
312
313/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
314 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
315
316#define _bfd_norelocs_get_reloc_upper_bound \
317 ((long (*) (bfd *, asection *)) _bfd_n1)
318#define _bfd_norelocs_canonicalize_reloc \
319 ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1)
320#define _bfd_norelocs_bfd_reloc_type_lookup \
321 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
322
323/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
324 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
325
326#define _bfd_nowrite_set_arch_mach \
327 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
328 bfd_false)
329#define _bfd_nowrite_set_section_contents \
330 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
331 bfd_false)
332
333/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
334 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
335
336#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
337extern bfd_boolean _bfd_generic_set_section_contents
338 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
339
340/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
341 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
342
343#define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0)
344#define _bfd_nolink_bfd_get_relocated_section_contents \
345 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
346 bfd_byte *, bfd_boolean, asymbol **)) \
347 bfd_nullvoidptr)
348#define _bfd_nolink_bfd_relax_section \
349 ((bfd_boolean (*) \
350 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
351 bfd_false)
352#define _bfd_nolink_bfd_gc_sections \
353 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
354 bfd_false)
355#define _bfd_nolink_bfd_merge_sections \
356 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
357 bfd_false)
358#define _bfd_nolink_bfd_discard_group \
359 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
360 bfd_false)
361#define _bfd_nolink_bfd_link_hash_table_create \
362 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
363#define _bfd_nolink_bfd_link_hash_table_free \
364 ((void (*) (struct bfd_link_hash_table *)) bfd_void)
365#define _bfd_nolink_bfd_link_add_symbols \
366 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
367#define _bfd_nolink_bfd_link_just_syms \
368 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
369#define _bfd_nolink_bfd_final_link \
370 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
371#define _bfd_nolink_bfd_link_split_section \
372 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
373
374/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
375 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
376 (_bfd_nodynamic). */
377
378#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
379#define _bfd_nodynamic_canonicalize_dynamic_symtab \
380 ((long (*) (bfd *, asymbol **)) _bfd_n1)
381#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
382#define _bfd_nodynamic_canonicalize_dynamic_reloc \
383 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
384\f
385/* Generic routine to determine of the given symbol is a local
386 label. */
387extern bfd_boolean bfd_generic_is_local_label_name
388 (bfd *, const char *);
389
390/* Generic minisymbol routines. */
391extern long _bfd_generic_read_minisymbols
392 (bfd *, bfd_boolean, void **, unsigned int *);
393extern asymbol *_bfd_generic_minisymbol_to_symbol
394 (bfd *, bfd_boolean, const void *, asymbol *);
395
396/* Find the nearest line using .stab/.stabstr sections. */
397extern bfd_boolean _bfd_stab_section_find_nearest_line
398 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
399 const char **, const char **, unsigned int *, void **);
400
401/* Find the neaderst line using DWARF 1 debugging information. */
402extern bfd_boolean _bfd_dwarf1_find_nearest_line
403 (bfd *, asection *, asymbol **, bfd_vma, const char **,
404 const char **, unsigned int *);
405
406/* Find the nearest line using DWARF 2 debugging information. */
407extern bfd_boolean _bfd_dwarf2_find_nearest_line
408 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
409 unsigned int *, unsigned int, void **);
410
411/* Create a new section entry. */
412extern struct bfd_hash_entry *bfd_section_hash_newfunc
413 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
414
415/* A routine to create entries for a bfd_link_hash_table. */
416extern struct bfd_hash_entry *_bfd_link_hash_newfunc
417 (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
418 const char *string);
419
420/* Initialize a bfd_link_hash_table. */
421extern bfd_boolean _bfd_link_hash_table_init
422 (struct bfd_link_hash_table *, bfd *,
423 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
424 struct bfd_hash_table *,
425 const char *));
426
427/* Generic link hash table creation routine. */
428extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
429 (bfd *);
430
431/* Generic link hash table destruction routine. */
432extern void _bfd_generic_link_hash_table_free
433 (struct bfd_link_hash_table *);
434
435/* Generic add symbol routine. */
436extern bfd_boolean _bfd_generic_link_add_symbols
437 (bfd *, struct bfd_link_info *);
438
439/* Generic add symbol routine. This version is used by targets for
440 which the linker must collect constructors and destructors by name,
441 as the collect2 program does. */
442extern bfd_boolean _bfd_generic_link_add_symbols_collect
443 (bfd *, struct bfd_link_info *);
444
445/* Generic archive add symbol routine. */
446extern bfd_boolean _bfd_generic_link_add_archive_symbols
447 (bfd *, struct bfd_link_info *,
448 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
449
450/* Forward declaration to avoid prototype errors. */
451typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
452
453/* Generic routine to add a single symbol. */
454extern bfd_boolean _bfd_generic_link_add_one_symbol
455 (struct bfd_link_info *, bfd *, const char *name, flagword,
456 asection *, bfd_vma, const char *, bfd_boolean copy,
457 bfd_boolean constructor, struct bfd_link_hash_entry **);
458
459/* Generic routine to mark section as supplying symbols only. */
460extern void _bfd_generic_link_just_syms
461 (asection *, struct bfd_link_info *);
462
463/* Generic link routine. */
464extern bfd_boolean _bfd_generic_final_link
465 (bfd *, struct bfd_link_info *);
466
467extern bfd_boolean _bfd_generic_link_split_section
468 (bfd *, struct bfd_section *);
469
470/* Generic reloc_link_order processing routine. */
471extern bfd_boolean _bfd_generic_reloc_link_order
472 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
473
474/* Default link order processing routine. */
475extern bfd_boolean _bfd_default_link_order
476 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
477
478/* Count the number of reloc entries in a link order list. */
479extern unsigned int _bfd_count_link_order_relocs
480 (struct bfd_link_order *);
481
482/* Final link relocation routine. */
483extern bfd_reloc_status_type _bfd_final_link_relocate
484 (reloc_howto_type *, bfd *, asection *, bfd_byte *,
485 bfd_vma, bfd_vma, bfd_vma);
486
487/* Relocate a particular location by a howto and a value. */
488extern bfd_reloc_status_type _bfd_relocate_contents
489 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
490
491/* Link stabs in sections in the first pass. */
492
493extern bfd_boolean _bfd_link_section_stabs
494 (bfd *, void **, asection *, asection *, void **, bfd_size_type *);
495
496/* Eliminate stabs for discarded functions and symbols. */
497extern bfd_boolean _bfd_discard_section_stabs
498 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
499
500/* Write out the .stab section when linking stabs in sections. */
501
502extern bfd_boolean _bfd_write_section_stabs
503 (bfd *, void **, asection *, void **, bfd_byte *);
504
505/* Write out the .stabstr string table when linking stabs in sections. */
506
507extern bfd_boolean _bfd_write_stab_strings
508 (bfd *, void **);
509
510/* Find an offset within a .stab section when linking stabs in
511 sections. */
512
513extern bfd_vma _bfd_stab_section_offset
514 (bfd *, void **, asection *, void **, bfd_vma);
515
516/* Attempt to merge a SEC_MERGE section. */
517
518extern bfd_boolean _bfd_merge_section
519 (bfd *, void **, asection *, void **);
520
521/* Attempt to merge SEC_MERGE sections. */
522
523extern bfd_boolean _bfd_merge_sections
524 (bfd *, void *, void (*) (bfd *, asection *));
525
526/* Write out a merged section. */
527
528extern bfd_boolean _bfd_write_merged_section
529 (bfd *, asection *, void *);
530
531/* Find an offset within a modified SEC_MERGE section. */
532
533extern bfd_vma _bfd_merged_section_offset
534 (bfd *, asection **, void *, bfd_vma, bfd_vma);
535
536/* Create a string table. */
537extern struct bfd_strtab_hash *_bfd_stringtab_init
538 (void);
539
540/* Create an XCOFF .debug section style string table. */
541extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
542 (void);
543
544/* Free a string table. */
545extern void _bfd_stringtab_free
546 (struct bfd_strtab_hash *);
547
548/* Get the size of a string table. */
549extern bfd_size_type _bfd_stringtab_size
550 (struct bfd_strtab_hash *);
551
552/* Add a string to a string table. */
553extern bfd_size_type _bfd_stringtab_add
554 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
555
556/* Write out a string table. */
557extern bfd_boolean _bfd_stringtab_emit
558 (bfd *, struct bfd_strtab_hash *);
559
560/* Check that endianness of input and output file match. */
561extern bfd_boolean _bfd_generic_verify_endian_match
562 (bfd *, bfd *);
563\f
564/* Macros to tell if bfds are read or write enabled.
565
566 Note that bfds open for read may be scribbled into if the fd passed
567 to bfd_fdopenr is actually open both for read and write
568 simultaneously. However an output bfd will never be open for
569 read. Therefore sometimes you want to check bfd_read_p or
570 !bfd_read_p, and only sometimes bfd_write_p.
571*/
572
573#define bfd_read_p(abfd) \
574 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
575#define bfd_write_p(abfd) \
576 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
577
578void bfd_assert
579 (const char*,int);
580
581#define BFD_ASSERT(x) \
582 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
583
584#define BFD_FAIL() \
585 { bfd_assert(__FILE__,__LINE__); }
586
587extern void _bfd_abort
588 (const char *, int, const char *) ATTRIBUTE_NORETURN;
589
590/* if gcc >= 2.6, we can give a function name, too */
591#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
592#define __PRETTY_FUNCTION__ ((char *) NULL)
593#endif
594
595#undef abort
596#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
597
598/* Manipulate a system FILE but using BFD's "file_ptr", rather than
599 the system "off_t" or "off64_t", as the offset. */
600extern file_ptr real_ftell (FILE *file);
601extern int real_fseek (FILE *file, file_ptr offset, int whence);
602
603FILE * bfd_cache_lookup_worker
604 (bfd *);
605
606extern bfd *bfd_last_cache;
607
608/* List of supported target vectors, and the default vector (if
609 bfd_default_vector[0] is NULL, there is no default). */
610extern const bfd_target * const *bfd_target_vector;
611extern const bfd_target *bfd_default_vector[];
612
613/* List of associated target vectors. */
614extern const bfd_target * const *bfd_associated_vector;
615
616/* Functions shared by the ECOFF and MIPS ELF backends, which have no
617 other common header files. */
618
619#if defined(__STDC__) || defined(ALMOST_STDC)
620struct ecoff_find_line;
621#endif
622
623extern bfd_boolean _bfd_ecoff_locate_line
624 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
625 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
626 const char **, const char **, unsigned int *);
627extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
628 (void *, bfd_byte *);
629extern bfd_boolean _bfd_ecoff_get_accumulated_sym
630 (void *, bfd_byte *);
631extern bfd_boolean _bfd_ecoff_get_accumulated_ss
632 (void *, bfd_byte *);
633
634extern bfd_vma _bfd_get_gp_value
635 (bfd *);
636extern void _bfd_set_gp_value
637 (bfd *, bfd_vma);
638
639/* Function shared by the COFF and ELF SH backends, which have no
640 other common header files. */
641
642#ifndef _bfd_sh_align_load_span
643extern bfd_boolean _bfd_sh_align_load_span
644 (bfd *, asection *, bfd_byte *,
645 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
646 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
647#endif
GDB Binutils - Deliverables
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