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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [libbfd-in.h] - Blame information for rev 161

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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
/* Find the nearest line using DWARF 2 debugging information.  */
525
extern bfd_boolean _bfd_dwarf2_find_nearest_line
526
  (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
527
   unsigned int *, unsigned int, void **);
528
 
529
/* Find the line using DWARF 2 debugging information.  */
530
extern bfd_boolean _bfd_dwarf2_find_line
531
  (bfd *, asymbol **, asymbol *, const char **,
532
   unsigned int *, unsigned int, void **);
533
 
534
bfd_boolean _bfd_generic_find_line
535
  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
536
 
537
/* Find inliner info after calling bfd_find_nearest_line. */
538
extern bfd_boolean _bfd_dwarf2_find_inliner_info
539
  (bfd *, const char **, const char **, unsigned int *, void **);
540
 
541
/* Create a new section entry.  */
542
extern struct bfd_hash_entry *bfd_section_hash_newfunc
543
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
544
 
545
/* A routine to create entries for a bfd_link_hash_table.  */
546
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
547
  (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
548
   const char *string);
549
 
550
/* Initialize a bfd_link_hash_table.  */
551
extern bfd_boolean _bfd_link_hash_table_init
552
  (struct bfd_link_hash_table *, bfd *,
553
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
554
                               struct bfd_hash_table *,
555
                               const char *),
556
   unsigned int);
557
 
558
/* Generic link hash table creation routine.  */
559
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
560
  (bfd *);
561
 
562
/* Generic link hash table destruction routine.  */
563
extern void _bfd_generic_link_hash_table_free
564
  (struct bfd_link_hash_table *);
565
 
566
/* Generic add symbol routine.  */
567
extern bfd_boolean _bfd_generic_link_add_symbols
568
  (bfd *, struct bfd_link_info *);
569
 
570
/* Generic add symbol routine.  This version is used by targets for
571
   which the linker must collect constructors and destructors by name,
572
   as the collect2 program does.  */
573
extern bfd_boolean _bfd_generic_link_add_symbols_collect
574
  (bfd *, struct bfd_link_info *);
575
 
576
/* Generic archive add symbol routine.  */
577
extern bfd_boolean _bfd_generic_link_add_archive_symbols
578
  (bfd *, struct bfd_link_info *,
579
   bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
580
 
581
/* Forward declaration to avoid prototype errors.  */
582
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
583
 
584
/* Generic routine to add a single symbol.  */
585
extern bfd_boolean _bfd_generic_link_add_one_symbol
586
  (struct bfd_link_info *, bfd *, const char *name, flagword,
587
   asection *, bfd_vma, const char *, bfd_boolean copy,
588
   bfd_boolean constructor, struct bfd_link_hash_entry **);
589
 
590
/* Generic routine to mark section as supplying symbols only.  */
591
extern void _bfd_generic_link_just_syms
592
  (asection *, struct bfd_link_info *);
593
 
594
/* Generic routine that does nothing.  */
595
extern void _bfd_generic_copy_link_hash_symbol_type
596
  (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
597
 
598
/* Generic link routine.  */
599
extern bfd_boolean _bfd_generic_final_link
600
  (bfd *, struct bfd_link_info *);
601
 
602
extern bfd_boolean _bfd_generic_link_split_section
603
  (bfd *, struct bfd_section *);
604
 
605 161 khays
extern bfd_boolean _bfd_generic_section_already_linked
606
  (bfd *, asection *, struct bfd_link_info *);
607 14 khays
 
608
/* Generic reloc_link_order processing routine.  */
609
extern bfd_boolean _bfd_generic_reloc_link_order
610
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
611
 
612
/* Default link order processing routine.  */
613
extern bfd_boolean _bfd_default_link_order
614
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
615
 
616
/* Count the number of reloc entries in a link order list.  */
617
extern unsigned int _bfd_count_link_order_relocs
618
  (struct bfd_link_order *);
619
 
620
/* Final link relocation routine.  */
621
extern bfd_reloc_status_type _bfd_final_link_relocate
622
  (reloc_howto_type *, bfd *, asection *, bfd_byte *,
623
   bfd_vma, bfd_vma, bfd_vma);
624
 
625
/* Relocate a particular location by a howto and a value.  */
626
extern bfd_reloc_status_type _bfd_relocate_contents
627
  (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
628
 
629
/* Clear a given location using a given howto.  */
630
extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
631
                                 asection *input_section, bfd_byte *location);
632
 
633
/* Link stabs in sections in the first pass.  */
634
 
635
extern bfd_boolean _bfd_link_section_stabs
636
  (bfd *, struct stab_info *, asection *, asection *, void **,
637
   bfd_size_type *);
638
 
639
/* Eliminate stabs for discarded functions and symbols.  */
640
extern bfd_boolean _bfd_discard_section_stabs
641
  (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
642
 
643
/* Write out the .stab section when linking stabs in sections.  */
644
 
645
extern bfd_boolean _bfd_write_section_stabs
646
  (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
647
 
648
/* Write out the .stabstr string table when linking stabs in sections.  */
649
 
650
extern bfd_boolean _bfd_write_stab_strings
651
  (bfd *, struct stab_info *);
652
 
653
/* Find an offset within a .stab section when linking stabs in
654
   sections.  */
655
 
656
extern bfd_vma _bfd_stab_section_offset
657
  (asection *, void *, bfd_vma);
658
 
659
/* Register a SEC_MERGE section as a candidate for merging.  */
660
 
661
extern bfd_boolean _bfd_add_merge_section
662
  (bfd *, void **, asection *, void **);
663
 
664
/* Attempt to merge SEC_MERGE sections.  */
665
 
666
extern bfd_boolean _bfd_merge_sections
667
  (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
668
 
669
/* Write out a merged section.  */
670
 
671
extern bfd_boolean _bfd_write_merged_section
672
  (bfd *, asection *, void *);
673
 
674
/* Find an offset within a modified SEC_MERGE section.  */
675
 
676
extern bfd_vma _bfd_merged_section_offset
677
  (bfd *, asection **, void *, bfd_vma);
678
 
679
/* Create a string table.  */
680
extern struct bfd_strtab_hash *_bfd_stringtab_init
681
  (void);
682
 
683
/* Create an XCOFF .debug section style string table.  */
684
extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
685
  (void);
686
 
687
/* Free a string table.  */
688
extern void _bfd_stringtab_free
689
  (struct bfd_strtab_hash *);
690
 
691
/* Get the size of a string table.  */
692
extern bfd_size_type _bfd_stringtab_size
693
  (struct bfd_strtab_hash *);
694
 
695
/* Add a string to a string table.  */
696
extern bfd_size_type _bfd_stringtab_add
697
  (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
698
 
699
/* Write out a string table.  */
700
extern bfd_boolean _bfd_stringtab_emit
701
  (bfd *, struct bfd_strtab_hash *);
702
 
703
/* Check that endianness of input and output file match.  */
704
extern bfd_boolean _bfd_generic_verify_endian_match
705
  (bfd *, bfd *);
706
 
707
/* Macros to tell if bfds are read or write enabled.
708
 
709
   Note that bfds open for read may be scribbled into if the fd passed
710
   to bfd_fdopenr is actually open both for read and write
711
   simultaneously.  However an output bfd will never be open for
712
   read.  Therefore sometimes you want to check bfd_read_p or
713
   !bfd_read_p, and only sometimes bfd_write_p.
714
*/
715
 
716
#define bfd_read_p(abfd) \
717
  ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
718
#define bfd_write_p(abfd) \
719
  ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
720
 
721
void bfd_assert
722
  (const char*,int);
723
 
724
#define BFD_ASSERT(x) \
725
  do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
726
 
727
#define BFD_FAIL() \
728
  do { bfd_assert(__FILE__,__LINE__); } while (0)
729
 
730
extern void _bfd_abort
731
  (const char *, int, const char *) ATTRIBUTE_NORETURN;
732
 
733
/* if gcc >= 2.6, we can give a function name, too */
734
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
735
#define __PRETTY_FUNCTION__  ((char *) NULL)
736
#endif
737
 
738
#undef abort
739
#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
740
 
741
/* Manipulate a system FILE but using BFD's "file_ptr", rather than
742
   the system "off_t" or "off64_t", as the offset.  */
743
extern file_ptr real_ftell (FILE *file);
744
extern int real_fseek (FILE *file, file_ptr offset, int whence);
745
extern FILE *real_fopen (const char *filename, const char *modes);
746
 
747
/* List of supported target vectors, and the default vector (if
748
   bfd_default_vector[0] is NULL, there is no default).  */
749
extern const bfd_target * const *bfd_target_vector;
750
extern const bfd_target *bfd_default_vector[];
751
 
752
/* List of associated target vectors.  */
753
extern const bfd_target * const *bfd_associated_vector;
754
 
755
/* Functions shared by the ECOFF and MIPS ELF backends, which have no
756
   other common header files.  */
757
 
758
#if defined(__STDC__) || defined(ALMOST_STDC)
759
struct ecoff_find_line;
760
#endif
761
 
762
extern bfd_boolean _bfd_ecoff_locate_line
763
  (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
764
   const struct ecoff_debug_swap * const, struct ecoff_find_line *,
765
   const char **, const char **, unsigned int *);
766
extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
767
  (void *, bfd_byte *);
768
extern bfd_boolean _bfd_ecoff_get_accumulated_sym
769
  (void *, bfd_byte *);
770
extern bfd_boolean _bfd_ecoff_get_accumulated_ss
771
  (void *, bfd_byte *);
772
 
773
extern bfd_vma _bfd_get_gp_value
774
  (bfd *);
775
extern void _bfd_set_gp_value
776
  (bfd *, bfd_vma);
777
 
778
/* Function shared by the COFF and ELF SH backends, which have no
779
   other common header files.  */
780
 
781
#ifndef _bfd_sh_align_load_span
782
extern bfd_boolean _bfd_sh_align_load_span
783
  (bfd *, asection *, bfd_byte *,
784
   bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
785
   void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
786
#endif
787
 
788
/* This is the shape of the elements inside the already_linked hash
789
   table. It maps a name onto a list of already_linked elements with
790
   the same name.  */
791
 
792
struct bfd_section_already_linked_hash_entry
793
{
794
  struct bfd_hash_entry root;
795
  struct bfd_section_already_linked *entry;
796
};
797
 
798
struct bfd_section_already_linked
799
{
800
  struct bfd_section_already_linked *next;
801
  asection *sec;
802
};
803
 
804
extern struct bfd_section_already_linked_hash_entry *
805
  bfd_section_already_linked_table_lookup (const char *);
806
extern bfd_boolean bfd_section_already_linked_table_insert
807
  (struct bfd_section_already_linked_hash_entry *, asection *);
808
extern void bfd_section_already_linked_table_traverse
809
  (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
810
                    void *), void *);
811
 
812
extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
813
extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
814
 
815
struct dwarf_debug_section
816
{
817
  const char *uncompressed_name;
818
  const char *compressed_name;
819
};
820
 
821
/* Map of uncompressed DWARF debug section name to compressed one.  It
822
   is terminated by NULL uncompressed_name.  */
823
 
824
extern const struct dwarf_debug_section dwarf_debug_sections[];

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