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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [bfd/] [libbfd-in.h] - Blame information for rev 816

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

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