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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [bfd/] [libbfd-in.h] - Blame information for rev 307

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1 227 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
   Free Software Foundation, Inc.
7
 
8
   Written by Cygnus Support.
9
 
10
   This file is part of BFD, the Binary File Descriptor library.
11
 
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 3 of the License, or
15
   (at your option) any later version.
16
 
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.
21
 
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., 51 Franklin Street - Fifth Floor, Boston,
25
   MA 02110-1301, USA.  */
26
 
27
#include "hashtab.h"
28
 
29
/* Align an address upward to a boundary, expressed as a number of bytes.
30
   E.g. align to an 8-byte boundary with argument of 8.  Take care never
31
   to wrap around if the address is within boundary-1 of the end of the
32
   address space.  */
33
#define BFD_ALIGN(this, boundary)                                         \
34
  ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this))              \
35
   ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
36
   : ~ (bfd_vma) 0)
37
 
38
/* If you want to read and write large blocks, you might want to do it
39
   in quanta of this amount */
40
#define DEFAULT_BUFFERSIZE 8192
41
 
42
/* Set a tdata field.  Can't use the other macros for this, since they
43
   do casts, and casting to the left of assignment isn't portable.  */
44
#define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
45
 
46
/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
47
   to an instance of this structure.  */
48
 
49
struct bfd_in_memory
50
{
51
  /* Size of buffer.  */
52
  bfd_size_type size;
53
  /* Buffer holding contents of BFD.  */
54
  bfd_byte *buffer;
55
};
56
 
57
struct section_hash_entry
58
{
59
  struct bfd_hash_entry root;
60
  asection section;
61
};
62
 
63
/* tdata for an archive.  For an input archive, cache
64
   needs to be free()'d.  For an output archive, symdefs do.  */
65
 
66
struct artdata {
67
  file_ptr first_file_filepos;
68
  /* Speed up searching the armap */
69
  htab_t cache;
70
  bfd *archive_head;            /* Only interesting in output routines */
71
  carsym *symdefs;              /* the symdef entries */
72
  symindex symdef_count;        /* how many there are */
73
  char *extended_names;         /* clever intel extension */
74
  bfd_size_type extended_names_size; /* Size of extended names */
75
  /* when more compilers are standard C, this can be a time_t */
76
  long  armap_timestamp;        /* Timestamp value written into armap.
77
                                   This is used for BSD archives to check
78
                                   that the timestamp is recent enough
79
                                   for the BSD linker to not complain,
80
                                   just before we finish writing an
81
                                   archive.  */
82
  file_ptr armap_datepos;       /* Position within archive to seek to
83
                                   rewrite the date field.  */
84
  void *tdata;                  /* Backend specific information.  */
85
};
86
 
87
#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
88
 
89
/* Goes in bfd's arelt_data slot */
90
struct areltdata {
91
  char * arch_header;           /* it's actually a string */
92
  unsigned int parsed_size;     /* octets of filesize not including ar_hdr */
93
  unsigned int extra_size;      /* BSD4.4: extra bytes after the header.  */
94
  char *filename;               /* null-terminated */
95
  file_ptr origin;              /* for element of a thin archive */
96
};
97
 
98
#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
99
 
100
extern void *bfd_malloc
101
  (bfd_size_type);
102
extern void *bfd_realloc
103
  (void *, bfd_size_type);
104
extern void *bfd_realloc_or_free
105
  (void *, bfd_size_type);
106
extern void *bfd_zmalloc
107
  (bfd_size_type);
108
extern void *bfd_malloc2
109
  (bfd_size_type, bfd_size_type);
110
extern void *bfd_realloc2
111
  (void *, bfd_size_type, bfd_size_type);
112
extern void *bfd_zmalloc2
113
  (bfd_size_type, bfd_size_type);
114
 
115
extern void _bfd_default_error_handler (const char *s, ...);
116
extern bfd_error_handler_type _bfd_error_handler;
117
 
118
/* These routines allocate and free things on the BFD's objalloc.  */
119
 
120
extern void *bfd_alloc
121
  (bfd *, bfd_size_type);
122
extern void *bfd_zalloc
123
  (bfd *, bfd_size_type);
124
extern void *bfd_alloc2
125
  (bfd *, bfd_size_type, bfd_size_type);
126
extern void *bfd_zalloc2
127
  (bfd *, bfd_size_type, bfd_size_type);
128
extern void bfd_release
129
  (bfd *, void *);
130
 
131
bfd * _bfd_create_empty_archive_element_shell
132
  (bfd *obfd);
133
bfd * _bfd_look_for_bfd_in_cache
134
  (bfd *, file_ptr);
135
bfd_boolean _bfd_add_bfd_to_archive_cache
136
  (bfd *, file_ptr, bfd *);
137
bfd_boolean _bfd_generic_mkarchive
138
  (bfd *abfd);
139
const bfd_target *bfd_generic_archive_p
140
  (bfd *abfd);
141
bfd_boolean bfd_slurp_armap
142
  (bfd *abfd);
143
bfd_boolean bfd_slurp_bsd_armap_f2
144
  (bfd *abfd);
145
#define bfd_slurp_bsd_armap bfd_slurp_armap
146
#define bfd_slurp_coff_armap bfd_slurp_armap
147
bfd_boolean _bfd_slurp_extended_name_table
148
  (bfd *abfd);
149
extern bfd_boolean _bfd_construct_extended_name_table
150
  (bfd *, bfd_boolean, char **, bfd_size_type *);
151
bfd_boolean _bfd_write_archive_contents
152
  (bfd *abfd);
153
bfd_boolean _bfd_compute_and_write_armap
154
  (bfd *, unsigned int elength);
155
bfd *_bfd_get_elt_at_filepos
156
  (bfd *archive, file_ptr filepos);
157
extern bfd *_bfd_generic_get_elt_at_index
158
  (bfd *, symindex);
159
bfd * _bfd_new_bfd
160
  (void);
161
void _bfd_delete_bfd
162
  (bfd *);
163
bfd_boolean _bfd_free_cached_info
164
  (bfd *);
165
 
166
bfd_boolean bfd_false
167
  (bfd *ignore);
168
bfd_boolean bfd_true
169
  (bfd *ignore);
170
void *bfd_nullvoidptr
171
  (bfd *ignore);
172
int bfd_0
173
  (bfd *ignore);
174
unsigned int bfd_0u
175
  (bfd *ignore);
176
long bfd_0l
177
  (bfd *ignore);
178
long _bfd_n1
179
  (bfd *ignore);
180
void bfd_void
181
  (bfd *ignore);
182
 
183
bfd *_bfd_new_bfd_contained_in
184
  (bfd *);
185
const bfd_target *_bfd_dummy_target
186
  (bfd *abfd);
187
 
188
void bfd_dont_truncate_arname
189
  (bfd *abfd, const char *filename, char *hdr);
190
void bfd_bsd_truncate_arname
191
  (bfd *abfd, const char *filename, char *hdr);
192
void bfd_gnu_truncate_arname
193
  (bfd *abfd, const char *filename, char *hdr);
194
 
195
bfd_boolean bsd_write_armap
196
  (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
197
   int stridx);
198
 
199
bfd_boolean coff_write_armap
200
  (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
201
   int stridx);
202
 
203
extern void *_bfd_generic_read_ar_hdr
204
  (bfd *);
205
extern void _bfd_ar_spacepad
206
  (char *, size_t, const char *, long);
207
 
208
extern void *_bfd_generic_read_ar_hdr_mag
209
  (bfd *, const char *);
210
 
211
extern bfd_boolean _bfd_generic_write_ar_hdr
212
  (bfd *, bfd *);
213
 
214
extern bfd_boolean _bfd_bsd44_write_ar_hdr
215
  (bfd *, bfd *);
216
 
217
bfd * bfd_generic_openr_next_archived_file
218
  (bfd *archive, bfd *last_file);
219
 
220
int bfd_generic_stat_arch_elt
221
  (bfd *, struct stat *);
222
 
223
#define _bfd_read_ar_hdr(abfd) \
224
  BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
225
#define _bfd_write_ar_hdr(archive, abfd)         \
226
  BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
227
 
228
/* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
229
   BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
230
 
231
#define _bfd_generic_close_and_cleanup bfd_true
232
#define _bfd_generic_bfd_free_cached_info bfd_true
233
extern bfd_boolean _bfd_generic_new_section_hook
234
  (bfd *, asection *);
235
extern bfd_boolean _bfd_generic_get_section_contents
236
  (bfd *, asection *, void *, file_ptr, bfd_size_type);
237
extern bfd_boolean _bfd_generic_get_section_contents_in_window
238
  (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
239
 
240
/* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
241
   BFD_JUMP_TABLE_COPY (_bfd_generic).  */
242
 
243
#define _bfd_generic_bfd_copy_private_bfd_data \
244
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
245
#define _bfd_generic_bfd_merge_private_bfd_data \
246
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
247
#define _bfd_generic_bfd_set_private_flags \
248
  ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
249
#define _bfd_generic_bfd_copy_private_section_data \
250
  ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
251
#define _bfd_generic_bfd_copy_private_symbol_data \
252
  ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
253
#define _bfd_generic_bfd_copy_private_header_data \
254
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
255
#define _bfd_generic_bfd_print_private_bfd_data \
256
  ((bfd_boolean (*) (bfd *, void *)) bfd_true)
257
 
258
extern bfd_boolean _bfd_generic_init_private_section_data
259
  (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
260
 
261
/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
262
   support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
263
 
264
extern char *_bfd_nocore_core_file_failing_command
265
  (bfd *);
266
extern int _bfd_nocore_core_file_failing_signal
267
  (bfd *);
268
extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
269
  (bfd *, bfd *);
270
 
271
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
272
   file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
273
 
274
#define _bfd_noarchive_slurp_armap bfd_false
275
#define _bfd_noarchive_slurp_extended_name_table bfd_false
276
#define _bfd_noarchive_construct_extended_name_table \
277
  ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
278
   bfd_false)
279
#define _bfd_noarchive_truncate_arname \
280
  ((void (*) (bfd *, const char *, char *)) bfd_void)
281
#define _bfd_noarchive_write_armap \
282
  ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
283
   bfd_false)
284
#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
285
#define _bfd_noarchive_write_ar_hdr \
286
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
287
#define _bfd_noarchive_openr_next_archived_file \
288
  ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
289
#define _bfd_noarchive_get_elt_at_index \
290
  ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
291
#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
292
#define _bfd_noarchive_update_armap_timestamp bfd_false
293
 
294
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
295
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
296
 
297
#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
298
#define _bfd_archive_bsd_slurp_extended_name_table \
299
  _bfd_slurp_extended_name_table
300
extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
301
  (bfd *, char **, bfd_size_type *, const char **);
302
#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
303
#define _bfd_archive_bsd_write_armap bsd_write_armap
304
#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
305
#define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
306
#define _bfd_archive_bsd_openr_next_archived_file \
307
  bfd_generic_openr_next_archived_file
308
#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
309
#define _bfd_archive_bsd_generic_stat_arch_elt \
310
  bfd_generic_stat_arch_elt
311
extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
312
  (bfd *);
313
 
314
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
315
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
316
 
317
#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
318
#define _bfd_archive_coff_slurp_extended_name_table \
319
  _bfd_slurp_extended_name_table
320
extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
321
  (bfd *, char **, bfd_size_type *, const char **);
322
#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
323
#define _bfd_archive_coff_write_armap coff_write_armap
324
#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
325
#define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
326
#define _bfd_archive_coff_openr_next_archived_file \
327
  bfd_generic_openr_next_archived_file
328
#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
329
#define _bfd_archive_coff_generic_stat_arch_elt \
330
  bfd_generic_stat_arch_elt
331
#define _bfd_archive_coff_update_armap_timestamp bfd_true
332
 
333
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
334
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
335
 
336
#define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
337
#define _bfd_archive_bsd44_slurp_extended_name_table \
338
  _bfd_slurp_extended_name_table
339
extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
340
  (bfd *, char **, bfd_size_type *, const char **);
341
#define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
342
#define _bfd_archive_bsd44_write_armap bsd_write_armap
343
#define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
344
#define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
345
#define _bfd_archive_bsd44_openr_next_archived_file \
346
  bfd_generic_openr_next_archived_file
347
#define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
348
#define _bfd_archive_bsd44_generic_stat_arch_elt \
349
  bfd_generic_stat_arch_elt
350
#define _bfd_archive_bsd44_update_armap_timestamp \
351
  _bfd_archive_bsd_update_armap_timestamp
352
 
353
/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
354
   support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
355
 
356
#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
357
#define _bfd_nosymbols_canonicalize_symtab \
358
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
359
#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
360
#define _bfd_nosymbols_print_symbol \
361
  ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
362
#define _bfd_nosymbols_get_symbol_info \
363
  ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
364
#define _bfd_nosymbols_bfd_is_local_label_name \
365
  ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
366
#define _bfd_nosymbols_bfd_is_target_special_symbol \
367
  ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
368
#define _bfd_nosymbols_get_lineno \
369
  ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
370
#define _bfd_nosymbols_find_nearest_line \
371
  ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
372
                     const char **, unsigned int *)) \
373
   bfd_false)
374
#define _bfd_nosymbols_find_inliner_info \
375
  ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
376
   bfd_false)
377
#define _bfd_nosymbols_bfd_make_debug_symbol \
378
  ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
379
#define _bfd_nosymbols_read_minisymbols \
380
  ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
381
#define _bfd_nosymbols_minisymbol_to_symbol \
382
  ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
383
   bfd_nullvoidptr)
384
 
385
/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
386
   support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
387
 
388
extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
389
extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
390
                                              arelent **, asymbol **);
391
#define _bfd_norelocs_bfd_reloc_type_lookup \
392
  ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
393
#define _bfd_norelocs_bfd_reloc_name_lookup \
394
  ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
395
 
396
/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
397
   be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
398
 
399
#define _bfd_nowrite_set_arch_mach \
400
  ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
401
   bfd_false)
402
#define _bfd_nowrite_set_section_contents \
403
  ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
404
   bfd_false)
405
 
406
/* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
407
   BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
408
 
409
#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
410
extern bfd_boolean _bfd_generic_set_section_contents
411
  (bfd *, asection *, const void *, file_ptr, bfd_size_type);
412
 
413
/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
414
   support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
415
 
416
#define _bfd_nolink_sizeof_headers \
417
  ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
418
#define _bfd_nolink_bfd_get_relocated_section_contents \
419
  ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
420
                   bfd_byte *, bfd_boolean, asymbol **)) \
421
   bfd_nullvoidptr)
422
#define _bfd_nolink_bfd_relax_section \
423
  ((bfd_boolean (*) \
424
    (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
425
   bfd_false)
426
#define _bfd_nolink_bfd_gc_sections \
427
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
428
   bfd_false)
429
#define _bfd_nolink_bfd_merge_sections \
430
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
431
   bfd_false)
432
#define _bfd_nolink_bfd_is_group_section \
433
  ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
434
   bfd_false)
435
#define _bfd_nolink_bfd_discard_group \
436
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
437
   bfd_false)
438
#define _bfd_nolink_bfd_link_hash_table_create \
439
  ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
440
#define _bfd_nolink_bfd_link_hash_table_free \
441
  ((void (*) (struct bfd_link_hash_table *)) bfd_void)
442
#define _bfd_nolink_bfd_link_add_symbols \
443
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
444
#define _bfd_nolink_bfd_link_just_syms \
445
  ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
446
#define _bfd_nolink_bfd_copy_link_hash_symbol_type \
447
  ((void (*) (bfd *, struct bfd_link_hash_entry *, \
448
              struct bfd_link_hash_entry *)) bfd_void)
449
#define _bfd_nolink_bfd_final_link \
450
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
451
#define _bfd_nolink_bfd_link_split_section \
452
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
453
#define _bfd_nolink_section_already_linked \
454
  ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void)
455
#define _bfd_nolink_bfd_define_common_symbol \
456
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
457
                     struct bfd_link_hash_entry *)) bfd_false)
458
 
459
/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
460
   have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
461
   (_bfd_nodynamic).  */
462
 
463
#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
464
#define _bfd_nodynamic_canonicalize_dynamic_symtab \
465
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
466
#define _bfd_nodynamic_get_synthetic_symtab \
467
  ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
468
#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
469
#define _bfd_nodynamic_canonicalize_dynamic_reloc \
470
  ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
471
 
472
/* Generic routine to determine of the given symbol is a local
473
   label.  */
474
extern bfd_boolean bfd_generic_is_local_label_name
475
  (bfd *, const char *);
476
 
477
/* Generic minisymbol routines.  */
478
extern long _bfd_generic_read_minisymbols
479
  (bfd *, bfd_boolean, void **, unsigned int *);
480
extern asymbol *_bfd_generic_minisymbol_to_symbol
481
  (bfd *, bfd_boolean, const void *, asymbol *);
482
 
483
/* Find the nearest line using .stab/.stabstr sections.  */
484
extern bfd_boolean _bfd_stab_section_find_nearest_line
485
  (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
486
   const char **, const char **, unsigned int *, void **);
487
 
488
/* Find the nearest line using DWARF 1 debugging information.  */
489
extern bfd_boolean _bfd_dwarf1_find_nearest_line
490
  (bfd *, asection *, asymbol **, bfd_vma, const char **,
491
   const char **, unsigned int *);
492
 
493
/* Find the nearest line using DWARF 2 debugging information.  */
494
extern bfd_boolean _bfd_dwarf2_find_nearest_line
495
  (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
496
   unsigned int *, unsigned int, void **);
497
 
498
/* Find the line using DWARF 2 debugging information.  */
499
extern bfd_boolean _bfd_dwarf2_find_line
500
  (bfd *, asymbol **, asymbol *, const char **,
501
   unsigned int *, unsigned int, void **);
502
 
503
bfd_boolean _bfd_generic_find_line
504
  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
505
 
506
/* Find inliner info after calling bfd_find_nearest_line. */
507
extern bfd_boolean _bfd_dwarf2_find_inliner_info
508
  (bfd *, const char **, const char **, unsigned int *, void **);
509
 
510
/* Create a new section entry.  */
511
extern struct bfd_hash_entry *bfd_section_hash_newfunc
512
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
513
 
514
/* A routine to create entries for a bfd_link_hash_table.  */
515
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
516
  (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
517
   const char *string);
518
 
519
/* Initialize a bfd_link_hash_table.  */
520
extern bfd_boolean _bfd_link_hash_table_init
521
  (struct bfd_link_hash_table *, bfd *,
522
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
523
                               struct bfd_hash_table *,
524
                               const char *),
525
   unsigned int);
526
 
527
/* Generic link hash table creation routine.  */
528
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
529
  (bfd *);
530
 
531
/* Generic link hash table destruction routine.  */
532
extern void _bfd_generic_link_hash_table_free
533
  (struct bfd_link_hash_table *);
534
 
535
/* Generic add symbol routine.  */
536
extern bfd_boolean _bfd_generic_link_add_symbols
537
  (bfd *, struct bfd_link_info *);
538
 
539
/* Generic add symbol routine.  This version is used by targets for
540
   which the linker must collect constructors and destructors by name,
541
   as the collect2 program does.  */
542
extern bfd_boolean _bfd_generic_link_add_symbols_collect
543
  (bfd *, struct bfd_link_info *);
544
 
545
/* Generic archive add symbol routine.  */
546
extern bfd_boolean _bfd_generic_link_add_archive_symbols
547
  (bfd *, struct bfd_link_info *,
548
   bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
549
 
550
/* Forward declaration to avoid prototype errors.  */
551
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
552
 
553
/* Generic routine to add a single symbol.  */
554
extern bfd_boolean _bfd_generic_link_add_one_symbol
555
  (struct bfd_link_info *, bfd *, const char *name, flagword,
556
   asection *, bfd_vma, const char *, bfd_boolean copy,
557
   bfd_boolean constructor, struct bfd_link_hash_entry **);
558
 
559
/* Generic routine to mark section as supplying symbols only.  */
560
extern void _bfd_generic_link_just_syms
561
  (asection *, struct bfd_link_info *);
562
 
563
/* Generic routine that does nothing.  */
564
extern void _bfd_generic_copy_link_hash_symbol_type
565
  (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
566
 
567
/* Generic link routine.  */
568
extern bfd_boolean _bfd_generic_final_link
569
  (bfd *, struct bfd_link_info *);
570
 
571
extern bfd_boolean _bfd_generic_link_split_section
572
  (bfd *, struct bfd_section *);
573
 
574
extern void _bfd_generic_section_already_linked
575
  (bfd *, struct bfd_section *, struct bfd_link_info *);
576
 
577
/* Generic reloc_link_order processing routine.  */
578
extern bfd_boolean _bfd_generic_reloc_link_order
579
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
580
 
581
/* Default link order processing routine.  */
582
extern bfd_boolean _bfd_default_link_order
583
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
584
 
585
/* Count the number of reloc entries in a link order list.  */
586
extern unsigned int _bfd_count_link_order_relocs
587
  (struct bfd_link_order *);
588
 
589
/* Final link relocation routine.  */
590
extern bfd_reloc_status_type _bfd_final_link_relocate
591
  (reloc_howto_type *, bfd *, asection *, bfd_byte *,
592
   bfd_vma, bfd_vma, bfd_vma);
593
 
594
/* Relocate a particular location by a howto and a value.  */
595
extern bfd_reloc_status_type _bfd_relocate_contents
596
  (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
597
 
598
/* Clear a given location using a given howto.  */
599
extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
600
                                 bfd_byte *location);
601
 
602
/* Link stabs in sections in the first pass.  */
603
 
604
extern bfd_boolean _bfd_link_section_stabs
605
  (bfd *, struct stab_info *, asection *, asection *, void **,
606
   bfd_size_type *);
607
 
608
/* Eliminate stabs for discarded functions and symbols.  */
609
extern bfd_boolean _bfd_discard_section_stabs
610
  (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
611
 
612
/* Write out the .stab section when linking stabs in sections.  */
613
 
614
extern bfd_boolean _bfd_write_section_stabs
615
  (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
616
 
617
/* Write out the .stabstr string table when linking stabs in sections.  */
618
 
619
extern bfd_boolean _bfd_write_stab_strings
620
  (bfd *, struct stab_info *);
621
 
622
/* Find an offset within a .stab section when linking stabs in
623
   sections.  */
624
 
625
extern bfd_vma _bfd_stab_section_offset
626
  (asection *, void *, bfd_vma);
627
 
628
/* Register a SEC_MERGE section as a candidate for merging.  */
629
 
630
extern bfd_boolean _bfd_add_merge_section
631
  (bfd *, void **, asection *, void **);
632
 
633
/* Attempt to merge SEC_MERGE sections.  */
634
 
635
extern bfd_boolean _bfd_merge_sections
636
  (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
637
 
638
/* Write out a merged section.  */
639
 
640
extern bfd_boolean _bfd_write_merged_section
641
  (bfd *, asection *, void *);
642
 
643
/* Find an offset within a modified SEC_MERGE section.  */
644
 
645
extern bfd_vma _bfd_merged_section_offset
646
  (bfd *, asection **, void *, bfd_vma);
647
 
648
/* Create a string table.  */
649
extern struct bfd_strtab_hash *_bfd_stringtab_init
650
  (void);
651
 
652
/* Create an XCOFF .debug section style string table.  */
653
extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
654
  (void);
655
 
656
/* Free a string table.  */
657
extern void _bfd_stringtab_free
658
  (struct bfd_strtab_hash *);
659
 
660
/* Get the size of a string table.  */
661
extern bfd_size_type _bfd_stringtab_size
662
  (struct bfd_strtab_hash *);
663
 
664
/* Add a string to a string table.  */
665
extern bfd_size_type _bfd_stringtab_add
666
  (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
667
 
668
/* Write out a string table.  */
669
extern bfd_boolean _bfd_stringtab_emit
670
  (bfd *, struct bfd_strtab_hash *);
671
 
672
/* Check that endianness of input and output file match.  */
673
extern bfd_boolean _bfd_generic_verify_endian_match
674
  (bfd *, bfd *);
675
 
676
/* Macros to tell if bfds are read or write enabled.
677
 
678
   Note that bfds open for read may be scribbled into if the fd passed
679
   to bfd_fdopenr is actually open both for read and write
680
   simultaneously.  However an output bfd will never be open for
681
   read.  Therefore sometimes you want to check bfd_read_p or
682
   !bfd_read_p, and only sometimes bfd_write_p.
683
*/
684
 
685
#define bfd_read_p(abfd) \
686
  ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
687
#define bfd_write_p(abfd) \
688
  ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
689
 
690
void bfd_assert
691
  (const char*,int);
692
 
693
#define BFD_ASSERT(x) \
694
  do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
695
 
696
#define BFD_FAIL() \
697
  do { bfd_assert(__FILE__,__LINE__); } while (0)
698
 
699
extern void _bfd_abort
700
  (const char *, int, const char *) ATTRIBUTE_NORETURN;
701
 
702
/* if gcc >= 2.6, we can give a function name, too */
703
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
704
#define __PRETTY_FUNCTION__  ((char *) NULL)
705
#endif
706
 
707
#undef abort
708
#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
709
 
710
/* Manipulate a system FILE but using BFD's "file_ptr", rather than
711
   the system "off_t" or "off64_t", as the offset.  */
712
extern file_ptr real_ftell (FILE *file);
713
extern int real_fseek (FILE *file, file_ptr offset, int whence);
714
extern FILE *real_fopen (const char *filename, const char *modes);
715
 
716
/* List of supported target vectors, and the default vector (if
717
   bfd_default_vector[0] is NULL, there is no default).  */
718
extern const bfd_target * const *bfd_target_vector;
719
extern const bfd_target *bfd_default_vector[];
720
 
721
/* List of associated target vectors.  */
722
extern const bfd_target * const *bfd_associated_vector;
723
 
724
/* Functions shared by the ECOFF and MIPS ELF backends, which have no
725
   other common header files.  */
726
 
727
#if defined(__STDC__) || defined(ALMOST_STDC)
728
struct ecoff_find_line;
729
#endif
730
 
731
extern bfd_boolean _bfd_ecoff_locate_line
732
  (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
733
   const struct ecoff_debug_swap * const, struct ecoff_find_line *,
734
   const char **, const char **, unsigned int *);
735
extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
736
  (void *, bfd_byte *);
737
extern bfd_boolean _bfd_ecoff_get_accumulated_sym
738
  (void *, bfd_byte *);
739
extern bfd_boolean _bfd_ecoff_get_accumulated_ss
740
  (void *, bfd_byte *);
741
 
742
extern bfd_vma _bfd_get_gp_value
743
  (bfd *);
744
extern void _bfd_set_gp_value
745
  (bfd *, bfd_vma);
746
 
747
/* Function shared by the COFF and ELF SH backends, which have no
748
   other common header files.  */
749
 
750
#ifndef _bfd_sh_align_load_span
751
extern bfd_boolean _bfd_sh_align_load_span
752
  (bfd *, asection *, bfd_byte *,
753
   bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
754
   void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
755
#endif
756
 
757
/* This is the shape of the elements inside the already_linked hash
758
   table. It maps a name onto a list of already_linked elements with
759
   the same name.  */
760
 
761
struct bfd_section_already_linked_hash_entry
762
{
763
  struct bfd_hash_entry root;
764
  struct bfd_section_already_linked *entry;
765
};
766
 
767
struct bfd_section_already_linked
768
{
769
  struct bfd_section_already_linked *next;
770
  asection *sec;
771
};
772
 
773
extern struct bfd_section_already_linked_hash_entry *
774
  bfd_section_already_linked_table_lookup (const char *);
775
extern bfd_boolean bfd_section_already_linked_table_insert
776
  (struct bfd_section_already_linked_hash_entry *, asection *);
777
extern void bfd_section_already_linked_table_traverse
778
  (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
779
                    void *), void *);
780
 
781
extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
782
extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
783
 

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