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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [bfd/] [libbfd-in.h] - Blame information for rev 467

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1 330 jeremybenn
/* 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, 2005, 2006, 2007, 2008, 2009,
6
   2010
7
   Free Software Foundation, Inc.
8
 
9
   Written by Cygnus Support.
10
 
11
   This file is part of BFD, the Binary File Descriptor library.
12
 
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.
17
 
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.
22
 
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.  */
27
 
28
#include "hashtab.h"
29
 
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
33
   address space.  */
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)) \
37
   : ~ (bfd_vma) 0)
38
 
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
42
 
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))
46
 
47
/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
48
   to an instance of this structure.  */
49
 
50
struct bfd_in_memory
51
{
52
  /* Size of buffer.  */
53
  bfd_size_type size;
54
  /* Buffer holding contents of BFD.  */
55
  bfd_byte *buffer;
56
};
57
 
58
struct section_hash_entry
59
{
60
  struct bfd_hash_entry root;
61
  asection section;
62
};
63
 
64
/* tdata for an archive.  For an input archive, cache
65
   needs to be free()'d.  For an output archive, symdefs do.  */
66
 
67
struct artdata {
68
  file_ptr first_file_filepos;
69
  /* Speed up searching the armap */
70
  htab_t cache;
71
  bfd *archive_head;            /* Only interesting in output routines */
72
  carsym *symdefs;              /* the symdef entries */
73
  symindex symdef_count;        /* how many there are */
74
  char *extended_names;         /* clever intel extension */
75
  bfd_size_type extended_names_size; /* Size of extended names */
76
  /* when more compilers are standard C, this can be a time_t */
77
  long  armap_timestamp;        /* Timestamp value written into armap.
78
                                   This is used for BSD archives to check
79
                                   that the timestamp is recent enough
80
                                   for the BSD linker to not complain,
81
                                   just before we finish writing an
82
                                   archive.  */
83
  file_ptr armap_datepos;       /* Position within archive to seek to
84
                                   rewrite the date field.  */
85
  void *tdata;                  /* Backend specific information.  */
86
};
87
 
88
#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
89
 
90
/* Goes in bfd's arelt_data slot */
91
struct areltdata {
92
  char * arch_header;           /* it's actually a string */
93
  unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
94
  unsigned int extra_size;      /* BSD4.4: extra bytes after the header.  */
95
  char *filename;               /* null-terminated */
96
  file_ptr origin;              /* for element of a thin archive */
97
};
98
 
99
#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
100
 
101
extern void *bfd_malloc
102
  (bfd_size_type);
103
extern void *bfd_realloc
104
  (void *, bfd_size_type);
105
extern void *bfd_realloc_or_free
106
  (void *, bfd_size_type);
107
extern void *bfd_zmalloc
108
  (bfd_size_type);
109
extern void *bfd_malloc2
110
  (bfd_size_type, bfd_size_type);
111
extern void *bfd_realloc2
112
  (void *, bfd_size_type, bfd_size_type);
113
extern void *bfd_zmalloc2
114
  (bfd_size_type, bfd_size_type);
115
 
116
extern void _bfd_default_error_handler (const char *s, ...);
117
extern bfd_error_handler_type _bfd_error_handler;
118
 
119
/* These routines allocate and free things on the BFD's objalloc.  */
120
 
121
extern void *bfd_alloc
122
  (bfd *, bfd_size_type);
123
extern void *bfd_zalloc
124
  (bfd *, bfd_size_type);
125
extern void *bfd_alloc2
126
  (bfd *, bfd_size_type, bfd_size_type);
127
extern void *bfd_zalloc2
128
  (bfd *, bfd_size_type, bfd_size_type);
129
extern void bfd_release
130
  (bfd *, void *);
131
 
132
bfd * _bfd_create_empty_archive_element_shell
133
  (bfd *obfd);
134
bfd * _bfd_look_for_bfd_in_cache
135
  (bfd *, file_ptr);
136
bfd_boolean _bfd_add_bfd_to_archive_cache
137
  (bfd *, file_ptr, bfd *);
138
bfd_boolean _bfd_generic_mkarchive
139
  (bfd *abfd);
140
char *_bfd_append_relative_path
141
  (bfd *arch, char *elt_name);
142
const bfd_target *bfd_generic_archive_p
143
  (bfd *abfd);
144
bfd_boolean bfd_slurp_armap
145
  (bfd *abfd);
146
bfd_boolean bfd_slurp_bsd_armap_f2
147
  (bfd *abfd);
148
#define bfd_slurp_bsd_armap bfd_slurp_armap
149
#define bfd_slurp_coff_armap bfd_slurp_armap
150
bfd_boolean _bfd_slurp_extended_name_table
151
  (bfd *abfd);
152
extern bfd_boolean _bfd_construct_extended_name_table
153
  (bfd *, bfd_boolean, char **, bfd_size_type *);
154
bfd_boolean _bfd_write_archive_contents
155
  (bfd *abfd);
156
bfd_boolean _bfd_compute_and_write_armap
157
  (bfd *, unsigned int elength);
158
bfd *_bfd_get_elt_at_filepos
159
  (bfd *archive, file_ptr filepos);
160
extern bfd *_bfd_generic_get_elt_at_index
161
  (bfd *, symindex);
162
bfd * _bfd_new_bfd
163
  (void);
164
void _bfd_delete_bfd
165
  (bfd *);
166
bfd_boolean _bfd_free_cached_info
167
  (bfd *);
168
 
169
bfd_boolean bfd_false
170
  (bfd *ignore);
171
bfd_boolean bfd_true
172
  (bfd *ignore);
173
void *bfd_nullvoidptr
174
  (bfd *ignore);
175
int bfd_0
176
  (bfd *ignore);
177
unsigned int bfd_0u
178
  (bfd *ignore);
179
long bfd_0l
180
  (bfd *ignore);
181
long _bfd_n1
182
  (bfd *ignore);
183
void bfd_void
184
  (bfd *ignore);
185
 
186
bfd *_bfd_new_bfd_contained_in
187
  (bfd *);
188
const bfd_target *_bfd_dummy_target
189
  (bfd *abfd);
190
 
191
void bfd_dont_truncate_arname
192
  (bfd *abfd, const char *filename, char *hdr);
193
void bfd_bsd_truncate_arname
194
  (bfd *abfd, const char *filename, char *hdr);
195
void bfd_gnu_truncate_arname
196
  (bfd *abfd, const char *filename, char *hdr);
197
 
198
bfd_boolean bsd_write_armap
199
  (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
200
   int stridx);
201
 
202
bfd_boolean coff_write_armap
203
  (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
204
   int stridx);
205
 
206
extern void *_bfd_generic_read_ar_hdr
207
  (bfd *);
208
extern void _bfd_ar_spacepad
209
  (char *, size_t, const char *, long);
210
 
211
extern void *_bfd_generic_read_ar_hdr_mag
212
  (bfd *, const char *);
213
 
214
extern bfd_boolean _bfd_generic_write_ar_hdr
215
  (bfd *, bfd *);
216
 
217
extern bfd_boolean _bfd_bsd44_write_ar_hdr
218
  (bfd *, bfd *);
219
 
220
bfd * bfd_generic_openr_next_archived_file
221
  (bfd *archive, bfd *last_file);
222
 
223
int bfd_generic_stat_arch_elt
224
  (bfd *, struct stat *);
225
 
226
#define _bfd_read_ar_hdr(abfd) \
227
  BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
228
#define _bfd_write_ar_hdr(archive, abfd)         \
229
  BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
230
 
231
/* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
232
   BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
233
 
234
#define _bfd_generic_close_and_cleanup bfd_true
235
#define _bfd_generic_bfd_free_cached_info bfd_true
236
extern bfd_boolean _bfd_generic_new_section_hook
237
  (bfd *, asection *);
238
extern bfd_boolean _bfd_generic_get_section_contents
239
  (bfd *, asection *, void *, file_ptr, bfd_size_type);
240
extern bfd_boolean _bfd_generic_get_section_contents_in_window
241
  (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
242
 
243
/* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
244
   BFD_JUMP_TABLE_COPY (_bfd_generic).  */
245
 
246
#define _bfd_generic_bfd_copy_private_bfd_data \
247
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
248
#define _bfd_generic_bfd_merge_private_bfd_data \
249
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
250
#define _bfd_generic_bfd_set_private_flags \
251
  ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
252
#define _bfd_generic_bfd_copy_private_section_data \
253
  ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
254
#define _bfd_generic_bfd_copy_private_symbol_data \
255
  ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
256
#define _bfd_generic_bfd_copy_private_header_data \
257
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
258
#define _bfd_generic_bfd_print_private_bfd_data \
259
  ((bfd_boolean (*) (bfd *, void *)) bfd_true)
260
 
261
extern bfd_boolean _bfd_generic_init_private_section_data
262
  (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
263
 
264
/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
265
   support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
266
 
267
extern char *_bfd_nocore_core_file_failing_command
268
  (bfd *);
269
extern int _bfd_nocore_core_file_failing_signal
270
  (bfd *);
271
extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
272
  (bfd *, bfd *);
273
 
274
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
275
   file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
276
 
277
#define _bfd_noarchive_slurp_armap bfd_false
278
#define _bfd_noarchive_slurp_extended_name_table bfd_false
279
#define _bfd_noarchive_construct_extended_name_table \
280
  ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
281
   bfd_false)
282
#define _bfd_noarchive_truncate_arname \
283
  ((void (*) (bfd *, const char *, char *)) bfd_void)
284
#define _bfd_noarchive_write_armap \
285
  ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
286
   bfd_false)
287
#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
288
#define _bfd_noarchive_write_ar_hdr \
289
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
290
#define _bfd_noarchive_openr_next_archived_file \
291
  ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
292
#define _bfd_noarchive_get_elt_at_index \
293
  ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
294
#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
295
#define _bfd_noarchive_update_armap_timestamp bfd_false
296
 
297
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
298
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
299
 
300
#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
301
#define _bfd_archive_bsd_slurp_extended_name_table \
302
  _bfd_slurp_extended_name_table
303
extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
304
  (bfd *, char **, bfd_size_type *, const char **);
305
#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
306
#define _bfd_archive_bsd_write_armap bsd_write_armap
307
#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
308
#define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
309
#define _bfd_archive_bsd_openr_next_archived_file \
310
  bfd_generic_openr_next_archived_file
311
#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
312
#define _bfd_archive_bsd_generic_stat_arch_elt \
313
  bfd_generic_stat_arch_elt
314
extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
315
  (bfd *);
316
 
317
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
318
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
319
 
320
#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
321
#define _bfd_archive_coff_slurp_extended_name_table \
322
  _bfd_slurp_extended_name_table
323
extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
324
  (bfd *, char **, bfd_size_type *, const char **);
325
#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
326
#define _bfd_archive_coff_write_armap coff_write_armap
327
#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
328
#define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
329
#define _bfd_archive_coff_openr_next_archived_file \
330
  bfd_generic_openr_next_archived_file
331
#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
332
#define _bfd_archive_coff_generic_stat_arch_elt \
333
  bfd_generic_stat_arch_elt
334
#define _bfd_archive_coff_update_armap_timestamp bfd_true
335
 
336
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
337
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
338
 
339
#define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
340
#define _bfd_archive_bsd44_slurp_extended_name_table \
341
  _bfd_slurp_extended_name_table
342
extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
343
  (bfd *, char **, bfd_size_type *, const char **);
344
#define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
345
#define _bfd_archive_bsd44_write_armap bsd_write_armap
346
#define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
347
#define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
348
#define _bfd_archive_bsd44_openr_next_archived_file \
349
  bfd_generic_openr_next_archived_file
350
#define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
351
#define _bfd_archive_bsd44_generic_stat_arch_elt \
352
  bfd_generic_stat_arch_elt
353
#define _bfd_archive_bsd44_update_armap_timestamp \
354
  _bfd_archive_bsd_update_armap_timestamp
355
 
356
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
357
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
358
   are irrelevant and never called, so defined as NULL.  */
359
 
360
extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch);
361
#define _bfd_vms_lib_slurp_armap NULL
362
#define _bfd_vms_lib_slurp_extended_name_table NULL
363
#define _bfd_vms_lib_construct_extended_name_table NULL
364
#define _bfd_vms_lib_truncate_arname NULL
365
#define _bfd_vms_lib_write_armap NULL
366
#define _bfd_vms_lib_read_ar_hdr NULL
367
#define _bfd_vms_lib_write_ar_hdr NULL
368
extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
369
extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
370
extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
371
#define _bfd_vms_lib_update_armap_timestamp bfd_true
372
 
373
/* Extra routines for VMS style archives.  */
374
 
375
extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
376
extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
377
extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd);
378
extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd);
379
extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd);
380
extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd);
381
 
382
/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
383
   support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
384
 
385
#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
386
#define _bfd_nosymbols_canonicalize_symtab \
387
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
388
#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
389
#define _bfd_nosymbols_print_symbol \
390
  ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
391
#define _bfd_nosymbols_get_symbol_info \
392
  ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
393
#define _bfd_nosymbols_bfd_is_local_label_name \
394
  ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
395
#define _bfd_nosymbols_bfd_is_target_special_symbol \
396
  ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
397
#define _bfd_nosymbols_get_lineno \
398
  ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
399
#define _bfd_nosymbols_find_nearest_line \
400
  ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
401
                     const char **, unsigned int *)) \
402
   bfd_false)
403
#define _bfd_nosymbols_find_inliner_info \
404
  ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
405
   bfd_false)
406
#define _bfd_nosymbols_bfd_make_debug_symbol \
407
  ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
408
#define _bfd_nosymbols_read_minisymbols \
409
  ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
410
#define _bfd_nosymbols_minisymbol_to_symbol \
411
  ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
412
   bfd_nullvoidptr)
413
 
414
/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
415
   support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
416
 
417
extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
418
extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
419
                                              arelent **, asymbol **);
420
#define _bfd_norelocs_bfd_reloc_type_lookup \
421
  ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
422
#define _bfd_norelocs_bfd_reloc_name_lookup \
423
  ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
424
 
425
/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
426
   be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
427
 
428
#define _bfd_nowrite_set_arch_mach \
429
  ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
430
   bfd_false)
431
#define _bfd_nowrite_set_section_contents \
432
  ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
433
   bfd_false)
434
 
435
/* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
436
   BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
437
 
438
#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
439
extern bfd_boolean _bfd_generic_set_section_contents
440
  (bfd *, asection *, const void *, file_ptr, bfd_size_type);
441
 
442
/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
443
   support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
444
 
445
#define _bfd_nolink_sizeof_headers \
446
  ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
447
#define _bfd_nolink_bfd_get_relocated_section_contents \
448
  ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
449
                   bfd_byte *, bfd_boolean, asymbol **)) \
450
   bfd_nullvoidptr)
451
#define _bfd_nolink_bfd_relax_section \
452
  ((bfd_boolean (*) \
453
    (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
454
   bfd_false)
455
#define _bfd_nolink_bfd_gc_sections \
456
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
457
   bfd_false)
458
#define _bfd_nolink_bfd_merge_sections \
459
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
460
   bfd_false)
461
#define _bfd_nolink_bfd_is_group_section \
462
  ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
463
   bfd_false)
464
#define _bfd_nolink_bfd_discard_group \
465
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
466
   bfd_false)
467
#define _bfd_nolink_bfd_link_hash_table_create \
468
  ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
469
#define _bfd_nolink_bfd_link_hash_table_free \
470
  ((void (*) (struct bfd_link_hash_table *)) bfd_void)
471
#define _bfd_nolink_bfd_link_add_symbols \
472
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
473
#define _bfd_nolink_bfd_link_just_syms \
474
  ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
475
#define _bfd_nolink_bfd_copy_link_hash_symbol_type \
476
  ((void (*) (bfd *, struct bfd_link_hash_entry *, \
477
              struct bfd_link_hash_entry *)) bfd_void)
478
#define _bfd_nolink_bfd_final_link \
479
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
480
#define _bfd_nolink_bfd_link_split_section \
481
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
482
#define _bfd_nolink_section_already_linked \
483
  ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void)
484
#define _bfd_nolink_bfd_define_common_symbol \
485
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
486
                     struct bfd_link_hash_entry *)) bfd_false)
487
 
488
/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
489
   have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
490
   (_bfd_nodynamic).  */
491
 
492
#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
493
#define _bfd_nodynamic_canonicalize_dynamic_symtab \
494
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
495
#define _bfd_nodynamic_get_synthetic_symtab \
496
  ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
497
#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
498
#define _bfd_nodynamic_canonicalize_dynamic_reloc \
499
  ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
500
 
501
/* Generic routine to determine of the given symbol is a local
502
   label.  */
503
extern bfd_boolean bfd_generic_is_local_label_name
504
  (bfd *, const char *);
505
 
506
/* Generic minisymbol routines.  */
507
extern long _bfd_generic_read_minisymbols
508
  (bfd *, bfd_boolean, void **, unsigned int *);
509
extern asymbol *_bfd_generic_minisymbol_to_symbol
510
  (bfd *, bfd_boolean, const void *, asymbol *);
511
 
512
/* Find the nearest line using .stab/.stabstr sections.  */
513
extern bfd_boolean _bfd_stab_section_find_nearest_line
514
  (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
515
   const char **, const char **, unsigned int *, void **);
516
 
517
/* Find the nearest line using DWARF 1 debugging information.  */
518
extern bfd_boolean _bfd_dwarf1_find_nearest_line
519
  (bfd *, asection *, asymbol **, bfd_vma, const char **,
520
   const char **, unsigned int *);
521
 
522
/* Find the nearest line using DWARF 2 debugging information.  */
523
extern bfd_boolean _bfd_dwarf2_find_nearest_line
524
  (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
525
   unsigned int *, unsigned int, void **);
526
 
527
/* Find the line using DWARF 2 debugging information.  */
528
extern bfd_boolean _bfd_dwarf2_find_line
529
  (bfd *, asymbol **, asymbol *, const char **,
530
   unsigned int *, unsigned int, void **);
531
 
532
bfd_boolean _bfd_generic_find_line
533
  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
534
 
535
/* Find inliner info after calling bfd_find_nearest_line. */
536
extern bfd_boolean _bfd_dwarf2_find_inliner_info
537
  (bfd *, const char **, const char **, unsigned int *, void **);
538
 
539
/* Create a new section entry.  */
540
extern struct bfd_hash_entry *bfd_section_hash_newfunc
541
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
542
 
543
/* A routine to create entries for a bfd_link_hash_table.  */
544
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
545
  (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
546
   const char *string);
547
 
548
/* Initialize a bfd_link_hash_table.  */
549
extern bfd_boolean _bfd_link_hash_table_init
550
  (struct bfd_link_hash_table *, bfd *,
551
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
552
                               struct bfd_hash_table *,
553
                               const char *),
554
   unsigned int);
555
 
556
/* Generic link hash table creation routine.  */
557
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
558
  (bfd *);
559
 
560
/* Generic link hash table destruction routine.  */
561
extern void _bfd_generic_link_hash_table_free
562
  (struct bfd_link_hash_table *);
563
 
564
/* Generic add symbol routine.  */
565
extern bfd_boolean _bfd_generic_link_add_symbols
566
  (bfd *, struct bfd_link_info *);
567
 
568
/* Generic add symbol routine.  This version is used by targets for
569
   which the linker must collect constructors and destructors by name,
570
   as the collect2 program does.  */
571
extern bfd_boolean _bfd_generic_link_add_symbols_collect
572
  (bfd *, struct bfd_link_info *);
573
 
574
/* Generic archive add symbol routine.  */
575
extern bfd_boolean _bfd_generic_link_add_archive_symbols
576
  (bfd *, struct bfd_link_info *,
577
   bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
578
 
579
/* Forward declaration to avoid prototype errors.  */
580
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
581
 
582
/* Generic routine to add a single symbol.  */
583
extern bfd_boolean _bfd_generic_link_add_one_symbol
584
  (struct bfd_link_info *, bfd *, const char *name, flagword,
585
   asection *, bfd_vma, const char *, bfd_boolean copy,
586
   bfd_boolean constructor, struct bfd_link_hash_entry **);
587
 
588
/* Generic routine to mark section as supplying symbols only.  */
589
extern void _bfd_generic_link_just_syms
590
  (asection *, struct bfd_link_info *);
591
 
592
/* Generic routine that does nothing.  */
593
extern void _bfd_generic_copy_link_hash_symbol_type
594
  (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
595
 
596
/* Generic link routine.  */
597
extern bfd_boolean _bfd_generic_final_link
598
  (bfd *, struct bfd_link_info *);
599
 
600
extern bfd_boolean _bfd_generic_link_split_section
601
  (bfd *, struct bfd_section *);
602
 
603
extern void _bfd_generic_section_already_linked
604
  (bfd *, struct bfd_section *, struct bfd_link_info *);
605
 
606
/* Generic reloc_link_order processing routine.  */
607
extern bfd_boolean _bfd_generic_reloc_link_order
608
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
609
 
610
/* Default link order processing routine.  */
611
extern bfd_boolean _bfd_default_link_order
612
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
613
 
614
/* Count the number of reloc entries in a link order list.  */
615
extern unsigned int _bfd_count_link_order_relocs
616
  (struct bfd_link_order *);
617
 
618
/* Final link relocation routine.  */
619
extern bfd_reloc_status_type _bfd_final_link_relocate
620
  (reloc_howto_type *, bfd *, asection *, bfd_byte *,
621
   bfd_vma, bfd_vma, bfd_vma);
622
 
623
/* Relocate a particular location by a howto and a value.  */
624
extern bfd_reloc_status_type _bfd_relocate_contents
625
  (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
626
 
627
/* Clear a given location using a given howto.  */
628
extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
629
                                 bfd_byte *location);
630
 
631
/* Link stabs in sections in the first pass.  */
632
 
633
extern bfd_boolean _bfd_link_section_stabs
634
  (bfd *, struct stab_info *, asection *, asection *, void **,
635
   bfd_size_type *);
636
 
637
/* Eliminate stabs for discarded functions and symbols.  */
638
extern bfd_boolean _bfd_discard_section_stabs
639
  (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
640
 
641
/* Write out the .stab section when linking stabs in sections.  */
642
 
643
extern bfd_boolean _bfd_write_section_stabs
644
  (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
645
 
646
/* Write out the .stabstr string table when linking stabs in sections.  */
647
 
648
extern bfd_boolean _bfd_write_stab_strings
649
  (bfd *, struct stab_info *);
650
 
651
/* Find an offset within a .stab section when linking stabs in
652
   sections.  */
653
 
654
extern bfd_vma _bfd_stab_section_offset
655
  (asection *, void *, bfd_vma);
656
 
657
/* Register a SEC_MERGE section as a candidate for merging.  */
658
 
659
extern bfd_boolean _bfd_add_merge_section
660
  (bfd *, void **, asection *, void **);
661
 
662
/* Attempt to merge SEC_MERGE sections.  */
663
 
664
extern bfd_boolean _bfd_merge_sections
665
  (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
666
 
667
/* Write out a merged section.  */
668
 
669
extern bfd_boolean _bfd_write_merged_section
670
  (bfd *, asection *, void *);
671
 
672
/* Find an offset within a modified SEC_MERGE section.  */
673
 
674
extern bfd_vma _bfd_merged_section_offset
675
  (bfd *, asection **, void *, bfd_vma);
676
 
677
/* Create a string table.  */
678
extern struct bfd_strtab_hash *_bfd_stringtab_init
679
  (void);
680
 
681
/* Create an XCOFF .debug section style string table.  */
682
extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
683
  (void);
684
 
685
/* Free a string table.  */
686
extern void _bfd_stringtab_free
687
  (struct bfd_strtab_hash *);
688
 
689
/* Get the size of a string table.  */
690
extern bfd_size_type _bfd_stringtab_size
691
  (struct bfd_strtab_hash *);
692
 
693
/* Add a string to a string table.  */
694
extern bfd_size_type _bfd_stringtab_add
695
  (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
696
 
697
/* Write out a string table.  */
698
extern bfd_boolean _bfd_stringtab_emit
699
  (bfd *, struct bfd_strtab_hash *);
700
 
701
/* Check that endianness of input and output file match.  */
702
extern bfd_boolean _bfd_generic_verify_endian_match
703
  (bfd *, bfd *);
704
 
705
/* Macros to tell if bfds are read or write enabled.
706
 
707
   Note that bfds open for read may be scribbled into if the fd passed
708
   to bfd_fdopenr is actually open both for read and write
709
   simultaneously.  However an output bfd will never be open for
710
   read.  Therefore sometimes you want to check bfd_read_p or
711
   !bfd_read_p, and only sometimes bfd_write_p.
712
*/
713
 
714
#define bfd_read_p(abfd) \
715
  ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
716
#define bfd_write_p(abfd) \
717
  ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
718
 
719
void bfd_assert
720
  (const char*,int);
721
 
722
#define BFD_ASSERT(x) \
723
  do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
724
 
725
#define BFD_FAIL() \
726
  do { bfd_assert(__FILE__,__LINE__); } while (0)
727
 
728
extern void _bfd_abort
729
  (const char *, int, const char *) ATTRIBUTE_NORETURN;
730
 
731
/* if gcc >= 2.6, we can give a function name, too */
732
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
733
#define __PRETTY_FUNCTION__  ((char *) NULL)
734
#endif
735
 
736
#undef abort
737
#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
738
 
739
/* Manipulate a system FILE but using BFD's "file_ptr", rather than
740
   the system "off_t" or "off64_t", as the offset.  */
741
extern file_ptr real_ftell (FILE *file);
742
extern int real_fseek (FILE *file, file_ptr offset, int whence);
743
extern FILE *real_fopen (const char *filename, const char *modes);
744
 
745
/* List of supported target vectors, and the default vector (if
746
   bfd_default_vector[0] is NULL, there is no default).  */
747
extern const bfd_target * const *bfd_target_vector;
748
extern const bfd_target *bfd_default_vector[];
749
 
750
/* List of associated target vectors.  */
751
extern const bfd_target * const *bfd_associated_vector;
752
 
753
/* Functions shared by the ECOFF and MIPS ELF backends, which have no
754
   other common header files.  */
755
 
756
#if defined(__STDC__) || defined(ALMOST_STDC)
757
struct ecoff_find_line;
758
#endif
759
 
760
extern bfd_boolean _bfd_ecoff_locate_line
761
  (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
762
   const struct ecoff_debug_swap * const, struct ecoff_find_line *,
763
   const char **, const char **, unsigned int *);
764
extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
765
  (void *, bfd_byte *);
766
extern bfd_boolean _bfd_ecoff_get_accumulated_sym
767
  (void *, bfd_byte *);
768
extern bfd_boolean _bfd_ecoff_get_accumulated_ss
769
  (void *, bfd_byte *);
770
 
771
extern bfd_vma _bfd_get_gp_value
772
  (bfd *);
773
extern void _bfd_set_gp_value
774
  (bfd *, bfd_vma);
775
 
776
/* Function shared by the COFF and ELF SH backends, which have no
777
   other common header files.  */
778
 
779
#ifndef _bfd_sh_align_load_span
780
extern bfd_boolean _bfd_sh_align_load_span
781
  (bfd *, asection *, bfd_byte *,
782
   bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
783
   void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
784
#endif
785
 
786
/* This is the shape of the elements inside the already_linked hash
787
   table. It maps a name onto a list of already_linked elements with
788
   the same name.  */
789
 
790
struct bfd_section_already_linked_hash_entry
791
{
792
  struct bfd_hash_entry root;
793
  struct bfd_section_already_linked *entry;
794
};
795
 
796
struct bfd_section_already_linked
797
{
798
  struct bfd_section_already_linked *next;
799
  asection *sec;
800
};
801
 
802
extern struct bfd_section_already_linked_hash_entry *
803
  bfd_section_already_linked_table_lookup (const char *);
804
extern bfd_boolean bfd_section_already_linked_table_insert
805
  (struct bfd_section_already_linked_hash_entry *, asection *);
806
extern void bfd_section_already_linked_table_traverse
807
  (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
808
                    void *), void *);
809
 
810
extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
811
extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
812
 

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