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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [libbfd-in.h] - Blame information for rev 165

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1 14 khays
/* 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,
6 161 khays
   2010, 2011
7 14 khays
   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_alloc2
122
  (bfd *, bfd_size_type, bfd_size_type);
123
extern void *bfd_zalloc2
124
  (bfd *, bfd_size_type, bfd_size_type);
125
extern void bfd_release
126
  (bfd *, void *);
127
 
128
bfd * _bfd_create_empty_archive_element_shell
129
  (bfd *obfd);
130
bfd * _bfd_look_for_bfd_in_cache
131
  (bfd *, file_ptr);
132
bfd_boolean _bfd_add_bfd_to_archive_cache
133
  (bfd *, file_ptr, bfd *);
134
bfd_boolean _bfd_generic_mkarchive
135
  (bfd *abfd);
136
char *_bfd_append_relative_path
137
  (bfd *arch, char *elt_name);
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
extern bfd_boolean _bfd_generic_write_ar_hdr
211
  (bfd *, bfd *);
212
 
213
extern bfd_boolean _bfd_bsd44_write_ar_hdr
214
  (bfd *, bfd *);
215
 
216
bfd * bfd_generic_openr_next_archived_file
217
  (bfd *archive, bfd *last_file);
218
 
219
int bfd_generic_stat_arch_elt
220
  (bfd *, struct stat *);
221
 
222
#define _bfd_read_ar_hdr(abfd) \
223
  BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
224
#define _bfd_write_ar_hdr(archive, abfd)         \
225
  BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
226
 
227
/* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
228
   BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
229
 
230
#define _bfd_generic_close_and_cleanup bfd_true
231
#define _bfd_generic_bfd_free_cached_info bfd_true
232
extern bfd_boolean _bfd_generic_new_section_hook
233
  (bfd *, asection *);
234
extern bfd_boolean _bfd_generic_get_section_contents
235
  (bfd *, asection *, void *, file_ptr, bfd_size_type);
236
extern bfd_boolean _bfd_generic_get_section_contents_in_window
237
  (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
238
 
239
/* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
240
   BFD_JUMP_TABLE_COPY (_bfd_generic).  */
241
 
242
#define _bfd_generic_bfd_copy_private_bfd_data \
243
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
244
#define _bfd_generic_bfd_merge_private_bfd_data \
245
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
246
#define _bfd_generic_bfd_set_private_flags \
247
  ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
248
#define _bfd_generic_bfd_copy_private_section_data \
249
  ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
250
#define _bfd_generic_bfd_copy_private_symbol_data \
251
  ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
252
#define _bfd_generic_bfd_copy_private_header_data \
253
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
254
#define _bfd_generic_bfd_print_private_bfd_data \
255
  ((bfd_boolean (*) (bfd *, void *)) bfd_true)
256
 
257
extern bfd_boolean _bfd_generic_init_private_section_data
258
  (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
259
 
260
/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
261
   support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
262
 
263
extern char *_bfd_nocore_core_file_failing_command
264
  (bfd *);
265
extern int _bfd_nocore_core_file_failing_signal
266
  (bfd *);
267
extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
268
  (bfd *, bfd *);
269
extern int _bfd_nocore_core_file_pid
270
  (bfd *);
271
 
272
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
273
   file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
274
 
275
#define _bfd_noarchive_slurp_armap bfd_false
276
#define _bfd_noarchive_slurp_extended_name_table bfd_false
277
#define _bfd_noarchive_construct_extended_name_table \
278
  ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
279
   bfd_false)
280
#define _bfd_noarchive_truncate_arname \
281
  ((void (*) (bfd *, const char *, char *)) bfd_void)
282
#define _bfd_noarchive_write_armap \
283
  ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
284
   bfd_false)
285
#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
286
#define _bfd_noarchive_write_ar_hdr \
287
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
288
#define _bfd_noarchive_openr_next_archived_file \
289
  ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
290
#define _bfd_noarchive_get_elt_at_index \
291
  ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
292
#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
293
#define _bfd_noarchive_update_armap_timestamp bfd_false
294
 
295
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
296
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
297
 
298
#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
299
#define _bfd_archive_bsd_slurp_extended_name_table \
300
  _bfd_slurp_extended_name_table
301
extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
302
  (bfd *, char **, bfd_size_type *, const char **);
303
#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
304
#define _bfd_archive_bsd_write_armap bsd_write_armap
305
#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
306
#define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
307
#define _bfd_archive_bsd_openr_next_archived_file \
308
  bfd_generic_openr_next_archived_file
309
#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
310
#define _bfd_archive_bsd_generic_stat_arch_elt \
311
  bfd_generic_stat_arch_elt
312
extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
313
  (bfd *);
314
 
315
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
316
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
317
 
318
#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
319
#define _bfd_archive_coff_slurp_extended_name_table \
320
  _bfd_slurp_extended_name_table
321
extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
322
  (bfd *, char **, bfd_size_type *, const char **);
323
#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
324
#define _bfd_archive_coff_write_armap coff_write_armap
325
#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
326
#define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
327
#define _bfd_archive_coff_openr_next_archived_file \
328
  bfd_generic_openr_next_archived_file
329
#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
330
#define _bfd_archive_coff_generic_stat_arch_elt \
331
  bfd_generic_stat_arch_elt
332
#define _bfd_archive_coff_update_armap_timestamp bfd_true
333
 
334
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
335
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
336
 
337
#define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
338
#define _bfd_archive_bsd44_slurp_extended_name_table \
339
  _bfd_slurp_extended_name_table
340
extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
341
  (bfd *, char **, bfd_size_type *, const char **);
342
#define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
343
#define _bfd_archive_bsd44_write_armap bsd_write_armap
344
#define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
345
#define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
346
#define _bfd_archive_bsd44_openr_next_archived_file \
347
  bfd_generic_openr_next_archived_file
348
#define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
349
#define _bfd_archive_bsd44_generic_stat_arch_elt \
350
  bfd_generic_stat_arch_elt
351
#define _bfd_archive_bsd44_update_armap_timestamp \
352
  _bfd_archive_bsd_update_armap_timestamp
353
 
354
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
355
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
356
   are irrelevant and never called, so defined as NULL.  */
357
 
358
extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch);
359
#define _bfd_vms_lib_slurp_armap NULL
360
#define _bfd_vms_lib_slurp_extended_name_table NULL
361
#define _bfd_vms_lib_construct_extended_name_table NULL
362
#define _bfd_vms_lib_truncate_arname NULL
363
#define _bfd_vms_lib_write_armap NULL
364
#define _bfd_vms_lib_read_ar_hdr NULL
365
#define _bfd_vms_lib_write_ar_hdr NULL
366
extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
367
extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
368
extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
369
#define _bfd_vms_lib_update_armap_timestamp bfd_true
370
 
371
/* Extra routines for VMS style archives.  */
372
 
373
extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
374
extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
375
extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd);
376
extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd);
377
extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd);
378
extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd);
379
 
380
/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
381
   support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
382
 
383
#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
384
#define _bfd_nosymbols_canonicalize_symtab \
385
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
386
#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
387
#define _bfd_nosymbols_print_symbol \
388
  ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
389
#define _bfd_nosymbols_get_symbol_info \
390
  ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
391
#define _bfd_nosymbols_bfd_is_local_label_name \
392
  ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
393
#define _bfd_nosymbols_bfd_is_target_special_symbol \
394
  ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
395
#define _bfd_nosymbols_get_lineno \
396
  ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
397
#define _bfd_nosymbols_find_nearest_line \
398
  ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
399
                     const char **, unsigned int *)) \
400
   bfd_false)
401
#define _bfd_nosymbols_find_inliner_info \
402
  ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
403
   bfd_false)
404
#define _bfd_nosymbols_bfd_make_debug_symbol \
405
  ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
406
#define _bfd_nosymbols_read_minisymbols \
407
  ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
408
#define _bfd_nosymbols_minisymbol_to_symbol \
409
  ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
410
   bfd_nullvoidptr)
411
 
412
/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
413
   support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
414
 
415
extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
416
extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
417
                                              arelent **, asymbol **);
418
#define _bfd_norelocs_bfd_reloc_type_lookup \
419
  ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
420
#define _bfd_norelocs_bfd_reloc_name_lookup \
421
  ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
422
 
423
/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
424
   be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
425
 
426
#define _bfd_nowrite_set_arch_mach \
427
  ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
428
   bfd_false)
429
#define _bfd_nowrite_set_section_contents \
430
  ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
431
   bfd_false)
432
 
433
/* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
434
   BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
435
 
436
#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
437
extern bfd_boolean _bfd_generic_set_section_contents
438
  (bfd *, asection *, const void *, file_ptr, bfd_size_type);
439
 
440
/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
441
   support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
442
 
443
#define _bfd_nolink_sizeof_headers \
444
  ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
445
#define _bfd_nolink_bfd_get_relocated_section_contents \
446
  ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
447
                   bfd_byte *, bfd_boolean, asymbol **)) \
448
   bfd_nullvoidptr)
449
#define _bfd_nolink_bfd_relax_section \
450
  ((bfd_boolean (*) \
451
    (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
452
   bfd_false)
453
#define _bfd_nolink_bfd_gc_sections \
454
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
455
   bfd_false)
456 161 khays
#define _bfd_nolink_bfd_lookup_section_flags \
457
  ((void (*) (struct bfd_link_info *, struct flag_info *)) \
458
   bfd_0)
459 14 khays
#define _bfd_nolink_bfd_merge_sections \
460
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
461
   bfd_false)
462
#define _bfd_nolink_bfd_is_group_section \
463
  ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
464
   bfd_false)
465
#define _bfd_nolink_bfd_discard_group \
466
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
467
   bfd_false)
468
#define _bfd_nolink_bfd_link_hash_table_create \
469
  ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
470
#define _bfd_nolink_bfd_link_hash_table_free \
471
  ((void (*) (struct bfd_link_hash_table *)) bfd_void)
472
#define _bfd_nolink_bfd_link_add_symbols \
473
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
474
#define _bfd_nolink_bfd_link_just_syms \
475
  ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
476
#define _bfd_nolink_bfd_copy_link_hash_symbol_type \
477
  ((void (*) (bfd *, struct bfd_link_hash_entry *, \
478
              struct bfd_link_hash_entry *)) bfd_void)
479
#define _bfd_nolink_bfd_final_link \
480
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
481
#define _bfd_nolink_bfd_link_split_section \
482
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
483
#define _bfd_nolink_section_already_linked \
484 161 khays
  ((bfd_boolean (*) (bfd *, asection *, \
485
                     struct bfd_link_info *)) bfd_false)
486 14 khays
#define _bfd_nolink_bfd_define_common_symbol \
487
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
488
                     struct bfd_link_hash_entry *)) bfd_false)
489
 
490
/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
491
   have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
492
   (_bfd_nodynamic).  */
493
 
494
#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
495
#define _bfd_nodynamic_canonicalize_dynamic_symtab \
496
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
497
#define _bfd_nodynamic_get_synthetic_symtab \
498
  ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
499
#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
500
#define _bfd_nodynamic_canonicalize_dynamic_reloc \
501
  ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
502
 
503
/* Generic routine to determine of the given symbol is a local
504
   label.  */
505
extern bfd_boolean bfd_generic_is_local_label_name
506
  (bfd *, const char *);
507
 
508
/* Generic minisymbol routines.  */
509
extern long _bfd_generic_read_minisymbols
510
  (bfd *, bfd_boolean, void **, unsigned int *);
511
extern asymbol *_bfd_generic_minisymbol_to_symbol
512
  (bfd *, bfd_boolean, const void *, asymbol *);
513
 
514
/* Find the nearest line using .stab/.stabstr sections.  */
515
extern bfd_boolean _bfd_stab_section_find_nearest_line
516
  (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
517
   const char **, const char **, unsigned int *, void **);
518
 
519
/* Find the nearest line using DWARF 1 debugging information.  */
520
extern bfd_boolean _bfd_dwarf1_find_nearest_line
521
  (bfd *, asection *, asymbol **, bfd_vma, const char **,
522
   const char **, unsigned int *);
523
 
524 163 khays
struct dwarf_debug_section
525
{
526
  const char *uncompressed_name;
527
  const char *compressed_name;
528
};
529
 
530
/* Map of uncompressed DWARF debug section name to compressed one.  It
531
   is terminated by NULL uncompressed_name.  */
532
 
533
extern const struct dwarf_debug_section dwarf_debug_sections[];
534
 
535 14 khays
/* Find the nearest line using DWARF 2 debugging information.  */
536
extern bfd_boolean _bfd_dwarf2_find_nearest_line
537 163 khays
  (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, bfd_vma,
538
   const char **, const char **, unsigned int *, unsigned int, void **);
539 14 khays
 
540
/* Find the line using DWARF 2 debugging information.  */
541
extern bfd_boolean _bfd_dwarf2_find_line
542
  (bfd *, asymbol **, asymbol *, const char **,
543
   unsigned int *, unsigned int, void **);
544
 
545
bfd_boolean _bfd_generic_find_line
546
  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
547
 
548
/* Find inliner info after calling bfd_find_nearest_line. */
549
extern bfd_boolean _bfd_dwarf2_find_inliner_info
550
  (bfd *, const char **, const char **, unsigned int *, void **);
551
 
552
/* Create a new section entry.  */
553
extern struct bfd_hash_entry *bfd_section_hash_newfunc
554
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
555
 
556
/* A routine to create entries for a bfd_link_hash_table.  */
557
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
558
  (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
559
   const char *string);
560
 
561
/* Initialize a bfd_link_hash_table.  */
562
extern bfd_boolean _bfd_link_hash_table_init
563
  (struct bfd_link_hash_table *, bfd *,
564
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
565
                               struct bfd_hash_table *,
566
                               const char *),
567
   unsigned int);
568
 
569
/* Generic link hash table creation routine.  */
570
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
571
  (bfd *);
572
 
573
/* Generic link hash table destruction routine.  */
574
extern void _bfd_generic_link_hash_table_free
575
  (struct bfd_link_hash_table *);
576
 
577
/* Generic add symbol routine.  */
578
extern bfd_boolean _bfd_generic_link_add_symbols
579
  (bfd *, struct bfd_link_info *);
580
 
581
/* Generic add symbol routine.  This version is used by targets for
582
   which the linker must collect constructors and destructors by name,
583
   as the collect2 program does.  */
584
extern bfd_boolean _bfd_generic_link_add_symbols_collect
585
  (bfd *, struct bfd_link_info *);
586
 
587
/* Generic archive add symbol routine.  */
588
extern bfd_boolean _bfd_generic_link_add_archive_symbols
589
  (bfd *, struct bfd_link_info *,
590
   bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
591
 
592
/* Forward declaration to avoid prototype errors.  */
593
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
594
 
595
/* Generic routine to add a single symbol.  */
596
extern bfd_boolean _bfd_generic_link_add_one_symbol
597
  (struct bfd_link_info *, bfd *, const char *name, flagword,
598
   asection *, bfd_vma, const char *, bfd_boolean copy,
599
   bfd_boolean constructor, struct bfd_link_hash_entry **);
600
 
601
/* Generic routine to mark section as supplying symbols only.  */
602
extern void _bfd_generic_link_just_syms
603
  (asection *, struct bfd_link_info *);
604
 
605
/* Generic routine that does nothing.  */
606
extern void _bfd_generic_copy_link_hash_symbol_type
607
  (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
608
 
609
/* Generic link routine.  */
610
extern bfd_boolean _bfd_generic_final_link
611
  (bfd *, struct bfd_link_info *);
612
 
613
extern bfd_boolean _bfd_generic_link_split_section
614
  (bfd *, struct bfd_section *);
615
 
616 161 khays
extern bfd_boolean _bfd_generic_section_already_linked
617
  (bfd *, asection *, struct bfd_link_info *);
618 14 khays
 
619
/* Generic reloc_link_order processing routine.  */
620
extern bfd_boolean _bfd_generic_reloc_link_order
621
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
622
 
623
/* Default link order processing routine.  */
624
extern bfd_boolean _bfd_default_link_order
625
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
626
 
627
/* Count the number of reloc entries in a link order list.  */
628
extern unsigned int _bfd_count_link_order_relocs
629
  (struct bfd_link_order *);
630
 
631
/* Final link relocation routine.  */
632
extern bfd_reloc_status_type _bfd_final_link_relocate
633
  (reloc_howto_type *, bfd *, asection *, bfd_byte *,
634
   bfd_vma, bfd_vma, bfd_vma);
635
 
636
/* Relocate a particular location by a howto and a value.  */
637
extern bfd_reloc_status_type _bfd_relocate_contents
638
  (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
639
 
640
/* Clear a given location using a given howto.  */
641
extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
642
                                 asection *input_section, bfd_byte *location);
643
 
644
/* Link stabs in sections in the first pass.  */
645
 
646
extern bfd_boolean _bfd_link_section_stabs
647
  (bfd *, struct stab_info *, asection *, asection *, void **,
648
   bfd_size_type *);
649
 
650
/* Eliminate stabs for discarded functions and symbols.  */
651
extern bfd_boolean _bfd_discard_section_stabs
652
  (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
653
 
654
/* Write out the .stab section when linking stabs in sections.  */
655
 
656
extern bfd_boolean _bfd_write_section_stabs
657
  (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
658
 
659
/* Write out the .stabstr string table when linking stabs in sections.  */
660
 
661
extern bfd_boolean _bfd_write_stab_strings
662
  (bfd *, struct stab_info *);
663
 
664
/* Find an offset within a .stab section when linking stabs in
665
   sections.  */
666
 
667
extern bfd_vma _bfd_stab_section_offset
668
  (asection *, void *, bfd_vma);
669
 
670
/* Register a SEC_MERGE section as a candidate for merging.  */
671
 
672
extern bfd_boolean _bfd_add_merge_section
673
  (bfd *, void **, asection *, void **);
674
 
675
/* Attempt to merge SEC_MERGE sections.  */
676
 
677
extern bfd_boolean _bfd_merge_sections
678
  (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
679
 
680
/* Write out a merged section.  */
681
 
682
extern bfd_boolean _bfd_write_merged_section
683
  (bfd *, asection *, void *);
684
 
685
/* Find an offset within a modified SEC_MERGE section.  */
686
 
687
extern bfd_vma _bfd_merged_section_offset
688
  (bfd *, asection **, void *, bfd_vma);
689
 
690
/* Create a string table.  */
691
extern struct bfd_strtab_hash *_bfd_stringtab_init
692
  (void);
693
 
694
/* Create an XCOFF .debug section style string table.  */
695
extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
696
  (void);
697
 
698
/* Free a string table.  */
699
extern void _bfd_stringtab_free
700
  (struct bfd_strtab_hash *);
701
 
702
/* Get the size of a string table.  */
703
extern bfd_size_type _bfd_stringtab_size
704
  (struct bfd_strtab_hash *);
705
 
706
/* Add a string to a string table.  */
707
extern bfd_size_type _bfd_stringtab_add
708
  (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
709
 
710
/* Write out a string table.  */
711
extern bfd_boolean _bfd_stringtab_emit
712
  (bfd *, struct bfd_strtab_hash *);
713
 
714
/* Check that endianness of input and output file match.  */
715
extern bfd_boolean _bfd_generic_verify_endian_match
716
  (bfd *, bfd *);
717
 
718
/* Macros to tell if bfds are read or write enabled.
719
 
720
   Note that bfds open for read may be scribbled into if the fd passed
721
   to bfd_fdopenr is actually open both for read and write
722
   simultaneously.  However an output bfd will never be open for
723
   read.  Therefore sometimes you want to check bfd_read_p or
724
   !bfd_read_p, and only sometimes bfd_write_p.
725
*/
726
 
727
#define bfd_read_p(abfd) \
728
  ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
729
#define bfd_write_p(abfd) \
730
  ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
731
 
732
void bfd_assert
733
  (const char*,int);
734
 
735
#define BFD_ASSERT(x) \
736
  do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
737
 
738
#define BFD_FAIL() \
739
  do { bfd_assert(__FILE__,__LINE__); } while (0)
740
 
741
extern void _bfd_abort
742
  (const char *, int, const char *) ATTRIBUTE_NORETURN;
743
 
744
/* if gcc >= 2.6, we can give a function name, too */
745
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
746
#define __PRETTY_FUNCTION__  ((char *) NULL)
747
#endif
748
 
749
#undef abort
750
#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
751
 
752
/* Manipulate a system FILE but using BFD's "file_ptr", rather than
753
   the system "off_t" or "off64_t", as the offset.  */
754
extern file_ptr real_ftell (FILE *file);
755
extern int real_fseek (FILE *file, file_ptr offset, int whence);
756
extern FILE *real_fopen (const char *filename, const char *modes);
757
 
758
/* List of supported target vectors, and the default vector (if
759
   bfd_default_vector[0] is NULL, there is no default).  */
760
extern const bfd_target * const *bfd_target_vector;
761
extern const bfd_target *bfd_default_vector[];
762
 
763
/* List of associated target vectors.  */
764
extern const bfd_target * const *bfd_associated_vector;
765
 
766
/* Functions shared by the ECOFF and MIPS ELF backends, which have no
767
   other common header files.  */
768
 
769
#if defined(__STDC__) || defined(ALMOST_STDC)
770
struct ecoff_find_line;
771
#endif
772
 
773
extern bfd_boolean _bfd_ecoff_locate_line
774
  (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
775
   const struct ecoff_debug_swap * const, struct ecoff_find_line *,
776
   const char **, const char **, unsigned int *);
777
extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
778
  (void *, bfd_byte *);
779
extern bfd_boolean _bfd_ecoff_get_accumulated_sym
780
  (void *, bfd_byte *);
781
extern bfd_boolean _bfd_ecoff_get_accumulated_ss
782
  (void *, bfd_byte *);
783
 
784
extern bfd_vma _bfd_get_gp_value
785
  (bfd *);
786
extern void _bfd_set_gp_value
787
  (bfd *, bfd_vma);
788
 
789
/* Function shared by the COFF and ELF SH backends, which have no
790
   other common header files.  */
791
 
792
#ifndef _bfd_sh_align_load_span
793
extern bfd_boolean _bfd_sh_align_load_span
794
  (bfd *, asection *, bfd_byte *,
795
   bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
796
   void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
797
#endif
798
 
799
/* This is the shape of the elements inside the already_linked hash
800
   table. It maps a name onto a list of already_linked elements with
801
   the same name.  */
802
 
803
struct bfd_section_already_linked_hash_entry
804
{
805
  struct bfd_hash_entry root;
806
  struct bfd_section_already_linked *entry;
807
};
808
 
809
struct bfd_section_already_linked
810
{
811
  struct bfd_section_already_linked *next;
812
  asection *sec;
813
};
814
 
815
extern struct bfd_section_already_linked_hash_entry *
816
  bfd_section_already_linked_table_lookup (const char *);
817
extern bfd_boolean bfd_section_already_linked_table_insert
818
  (struct bfd_section_already_linked_hash_entry *, asection *);
819
extern void bfd_section_already_linked_table_traverse
820
  (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
821
                    void *), void *);
822
 
823
extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
824
extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);

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