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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [libbfd-in.h] - Blame information for rev 249

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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,
6 166 khays
   2010, 2011, 2012
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
 
67 166 khays
struct artdata
68
{
69 14 khays
  file_ptr first_file_filepos;
70
  /* Speed up searching the armap */
71
  htab_t cache;
72 166 khays
  bfd *archive_head;            /* Only interesting in output routines.  */
73
  carsym *symdefs;              /* The symdef entries.  */
74
  symindex symdef_count;        /* How many there are.  */
75
  char *extended_names;         /* Clever intel extension.  */
76
  bfd_size_type extended_names_size; /* Size of extended names.  */
77
  /* When more compilers are standard C, this can be a time_t.  */
78 14 khays
  long  armap_timestamp;        /* Timestamp value written into armap.
79
                                   This is used for BSD archives to check
80
                                   that the timestamp is recent enough
81
                                   for the BSD linker to not complain,
82
                                   just before we finish writing an
83
                                   archive.  */
84
  file_ptr armap_datepos;       /* Position within archive to seek to
85
                                   rewrite the date field.  */
86
  void *tdata;                  /* Backend specific information.  */
87
};
88
 
89
#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
90
 
91
/* Goes in bfd's arelt_data slot */
92 166 khays
struct areltdata
93
{
94
  char * arch_header;           /* It's actually a string.  */
95
  bfd_size_type parsed_size;    /* Octets of filesize not including ar_hdr.  */
96
  bfd_size_type extra_size;     /* BSD4.4: extra bytes after the header.  */
97
  char *filename;               /* Null-terminated.  */
98
  file_ptr origin;              /* For element of a thin archive.  */
99 14 khays
};
100
 
101
#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
102
 
103
extern void *bfd_malloc
104
  (bfd_size_type);
105
extern void *bfd_realloc
106
  (void *, bfd_size_type);
107
extern void *bfd_realloc_or_free
108
  (void *, bfd_size_type);
109
extern void *bfd_zmalloc
110
  (bfd_size_type);
111
extern void *bfd_malloc2
112
  (bfd_size_type, bfd_size_type);
113
extern void *bfd_realloc2
114
  (void *, bfd_size_type, bfd_size_type);
115
extern void *bfd_zmalloc2
116
  (bfd_size_type, bfd_size_type);
117
 
118
extern void _bfd_default_error_handler (const char *s, ...);
119
extern bfd_error_handler_type _bfd_error_handler;
120
 
121
/* These routines allocate and free things on the BFD's objalloc.  */
122
 
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
char *_bfd_append_relative_path
139
  (bfd *arch, char *elt_name);
140
const bfd_target *bfd_generic_archive_p
141
  (bfd *abfd);
142
bfd_boolean bfd_slurp_armap
143
  (bfd *abfd);
144
bfd_boolean bfd_slurp_bsd_armap_f2
145
  (bfd *abfd);
146
#define bfd_slurp_bsd_armap bfd_slurp_armap
147
#define bfd_slurp_coff_armap bfd_slurp_armap
148
bfd_boolean _bfd_slurp_extended_name_table
149
  (bfd *abfd);
150
extern bfd_boolean _bfd_construct_extended_name_table
151
  (bfd *, bfd_boolean, char **, bfd_size_type *);
152
bfd_boolean _bfd_write_archive_contents
153
  (bfd *abfd);
154
bfd_boolean _bfd_compute_and_write_armap
155
  (bfd *, unsigned int elength);
156
bfd *_bfd_get_elt_at_filepos
157
  (bfd *archive, file_ptr filepos);
158
extern bfd *_bfd_generic_get_elt_at_index
159
  (bfd *, symindex);
160
bfd * _bfd_new_bfd
161
  (void);
162
void _bfd_delete_bfd
163
  (bfd *);
164
bfd_boolean _bfd_free_cached_info
165
  (bfd *);
166
 
167
bfd_boolean bfd_false
168
  (bfd *ignore);
169
bfd_boolean bfd_true
170
  (bfd *ignore);
171
void *bfd_nullvoidptr
172
  (bfd *ignore);
173
int bfd_0
174
  (bfd *ignore);
175
unsigned int bfd_0u
176
  (bfd *ignore);
177
long bfd_0l
178
  (bfd *ignore);
179
long _bfd_n1
180
  (bfd *ignore);
181
void bfd_void
182
  (bfd *ignore);
183
 
184
bfd *_bfd_new_bfd_contained_in
185
  (bfd *);
186
const bfd_target *_bfd_dummy_target
187
  (bfd *abfd);
188
 
189
void bfd_dont_truncate_arname
190
  (bfd *abfd, const char *filename, char *hdr);
191
void bfd_bsd_truncate_arname
192
  (bfd *abfd, const char *filename, char *hdr);
193
void bfd_gnu_truncate_arname
194
  (bfd *abfd, const char *filename, char *hdr);
195
 
196
bfd_boolean bsd_write_armap
197
  (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
198
   int stridx);
199
 
200
bfd_boolean coff_write_armap
201
  (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
202
   int stridx);
203
 
204
extern void *_bfd_generic_read_ar_hdr
205
  (bfd *);
206
extern void _bfd_ar_spacepad
207
  (char *, size_t, const char *, long);
208 166 khays
extern bfd_boolean _bfd_ar_sizepad
209
  (char *, size_t, bfd_size_type);
210 14 khays
 
211
extern void *_bfd_generic_read_ar_hdr_mag
212
  (bfd *, const char *);
213
 
214
extern bfd_boolean _bfd_generic_write_ar_hdr
215
  (bfd *, bfd *);
216
 
217
extern bfd_boolean _bfd_bsd44_write_ar_hdr
218
  (bfd *, bfd *);
219
 
220
bfd * bfd_generic_openr_next_archived_file
221
  (bfd *archive, bfd *last_file);
222
 
223
int bfd_generic_stat_arch_elt
224
  (bfd *, struct stat *);
225
 
226
#define _bfd_read_ar_hdr(abfd) \
227
  BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
228
#define _bfd_write_ar_hdr(archive, abfd)         \
229
  BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
230
 
231
/* Generic routines to use for BFD_JUMP_TABLE_GENERIC.  Use
232
   BFD_JUMP_TABLE_GENERIC (_bfd_generic).  */
233
 
234
#define _bfd_generic_close_and_cleanup bfd_true
235
#define _bfd_generic_bfd_free_cached_info bfd_true
236
extern bfd_boolean _bfd_generic_new_section_hook
237
  (bfd *, asection *);
238
extern bfd_boolean _bfd_generic_get_section_contents
239
  (bfd *, asection *, void *, file_ptr, bfd_size_type);
240
extern bfd_boolean _bfd_generic_get_section_contents_in_window
241
  (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
242
 
243
/* Generic routines to use for BFD_JUMP_TABLE_COPY.  Use
244
   BFD_JUMP_TABLE_COPY (_bfd_generic).  */
245
 
246
#define _bfd_generic_bfd_copy_private_bfd_data \
247
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
248
#define _bfd_generic_bfd_merge_private_bfd_data \
249
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
250
#define _bfd_generic_bfd_set_private_flags \
251
  ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
252
#define _bfd_generic_bfd_copy_private_section_data \
253
  ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
254
#define _bfd_generic_bfd_copy_private_symbol_data \
255
  ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
256
#define _bfd_generic_bfd_copy_private_header_data \
257
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
258
#define _bfd_generic_bfd_print_private_bfd_data \
259
  ((bfd_boolean (*) (bfd *, void *)) bfd_true)
260
 
261
extern bfd_boolean _bfd_generic_init_private_section_data
262
  (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
263
 
264
/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
265
   support.  Use BFD_JUMP_TABLE_CORE (_bfd_nocore).  */
266
 
267
extern char *_bfd_nocore_core_file_failing_command
268
  (bfd *);
269
extern int _bfd_nocore_core_file_failing_signal
270
  (bfd *);
271
extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
272
  (bfd *, bfd *);
273
extern int _bfd_nocore_core_file_pid
274
  (bfd *);
275
 
276
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
277
   file support.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive).  */
278
 
279
#define _bfd_noarchive_slurp_armap bfd_false
280
#define _bfd_noarchive_slurp_extended_name_table bfd_false
281
#define _bfd_noarchive_construct_extended_name_table \
282
  ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
283
   bfd_false)
284
#define _bfd_noarchive_truncate_arname \
285
  ((void (*) (bfd *, const char *, char *)) bfd_void)
286
#define _bfd_noarchive_write_armap \
287
  ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
288
   bfd_false)
289
#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
290
#define _bfd_noarchive_write_ar_hdr \
291
  ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
292
#define _bfd_noarchive_openr_next_archived_file \
293
  ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
294
#define _bfd_noarchive_get_elt_at_index \
295
  ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
296
#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
297
#define _bfd_noarchive_update_armap_timestamp bfd_false
298
 
299
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
300
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd).  */
301
 
302
#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
303
#define _bfd_archive_bsd_slurp_extended_name_table \
304
  _bfd_slurp_extended_name_table
305
extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
306
  (bfd *, char **, bfd_size_type *, const char **);
307
#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
308
#define _bfd_archive_bsd_write_armap bsd_write_armap
309
#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
310
#define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
311
#define _bfd_archive_bsd_openr_next_archived_file \
312
  bfd_generic_openr_next_archived_file
313
#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
314
#define _bfd_archive_bsd_generic_stat_arch_elt \
315
  bfd_generic_stat_arch_elt
316
extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
317
  (bfd *);
318
 
319
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
320
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff).  */
321
 
322
#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
323
#define _bfd_archive_coff_slurp_extended_name_table \
324
  _bfd_slurp_extended_name_table
325
extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
326
  (bfd *, char **, bfd_size_type *, const char **);
327
#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
328
#define _bfd_archive_coff_write_armap coff_write_armap
329
#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
330
#define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
331
#define _bfd_archive_coff_openr_next_archived_file \
332
  bfd_generic_openr_next_archived_file
333
#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
334
#define _bfd_archive_coff_generic_stat_arch_elt \
335
  bfd_generic_stat_arch_elt
336
#define _bfd_archive_coff_update_armap_timestamp bfd_true
337
 
338
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
339
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44).  */
340
 
341
#define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
342
#define _bfd_archive_bsd44_slurp_extended_name_table \
343
  _bfd_slurp_extended_name_table
344
extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
345
  (bfd *, char **, bfd_size_type *, const char **);
346
#define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
347
#define _bfd_archive_bsd44_write_armap bsd_write_armap
348
#define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
349
#define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
350
#define _bfd_archive_bsd44_openr_next_archived_file \
351
  bfd_generic_openr_next_archived_file
352
#define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
353
#define _bfd_archive_bsd44_generic_stat_arch_elt \
354
  bfd_generic_stat_arch_elt
355
#define _bfd_archive_bsd44_update_armap_timestamp \
356
  _bfd_archive_bsd_update_armap_timestamp
357
 
358
/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
359
   archives.  Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib).  Some of them
360
   are irrelevant and never called, so defined as NULL.  */
361
 
362
extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch);
363
#define _bfd_vms_lib_slurp_armap NULL
364
#define _bfd_vms_lib_slurp_extended_name_table NULL
365
#define _bfd_vms_lib_construct_extended_name_table NULL
366
#define _bfd_vms_lib_truncate_arname NULL
367
#define _bfd_vms_lib_write_armap NULL
368
#define _bfd_vms_lib_read_ar_hdr NULL
369
#define _bfd_vms_lib_write_ar_hdr NULL
370
extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
371
extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
372
extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
373
#define _bfd_vms_lib_update_armap_timestamp bfd_true
374
 
375
/* Extra routines for VMS style archives.  */
376
 
377
extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
378
extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
379
extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd);
380
extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd);
381
extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd);
382
extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd);
383
 
384
/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
385
   support.  Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols).  */
386
 
387
#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
388
#define _bfd_nosymbols_canonicalize_symtab \
389
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
390
#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
391
#define _bfd_nosymbols_print_symbol \
392
  ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
393
#define _bfd_nosymbols_get_symbol_info \
394
  ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
395
#define _bfd_nosymbols_bfd_is_local_label_name \
396
  ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
397
#define _bfd_nosymbols_bfd_is_target_special_symbol \
398
  ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
399
#define _bfd_nosymbols_get_lineno \
400
  ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
401
#define _bfd_nosymbols_find_nearest_line \
402
  ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
403
                     const char **, unsigned int *)) \
404
   bfd_false)
405
#define _bfd_nosymbols_find_inliner_info \
406
  ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
407
   bfd_false)
408
#define _bfd_nosymbols_bfd_make_debug_symbol \
409
  ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
410
#define _bfd_nosymbols_read_minisymbols \
411
  ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
412
#define _bfd_nosymbols_minisymbol_to_symbol \
413
  ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
414
   bfd_nullvoidptr)
415
 
416
/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
417
   support.  Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs).  */
418
 
419
extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
420
extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
421
                                              arelent **, asymbol **);
422
#define _bfd_norelocs_bfd_reloc_type_lookup \
423
  ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
424
#define _bfd_norelocs_bfd_reloc_name_lookup \
425
  ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
426
 
427
/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
428
   be written.  Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite).  */
429
 
430
#define _bfd_nowrite_set_arch_mach \
431
  ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
432
   bfd_false)
433
#define _bfd_nowrite_set_section_contents \
434
  ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
435
   bfd_false)
436
 
437
/* Generic routines to use for BFD_JUMP_TABLE_WRITE.  Use
438
   BFD_JUMP_TABLE_WRITE (_bfd_generic).  */
439
 
440
#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
441
extern bfd_boolean _bfd_generic_set_section_contents
442
  (bfd *, asection *, const void *, file_ptr, bfd_size_type);
443
 
444
/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
445
   support linking.  Use BFD_JUMP_TABLE_LINK (_bfd_nolink).  */
446
 
447
#define _bfd_nolink_sizeof_headers \
448
  ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
449
#define _bfd_nolink_bfd_get_relocated_section_contents \
450
  ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
451
                   bfd_byte *, bfd_boolean, asymbol **)) \
452
   bfd_nullvoidptr)
453
#define _bfd_nolink_bfd_relax_section \
454
  ((bfd_boolean (*) \
455
    (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
456
   bfd_false)
457
#define _bfd_nolink_bfd_gc_sections \
458
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
459
   bfd_false)
460 161 khays
#define _bfd_nolink_bfd_lookup_section_flags \
461
  ((void (*) (struct bfd_link_info *, struct flag_info *)) \
462
   bfd_0)
463 14 khays
#define _bfd_nolink_bfd_merge_sections \
464
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
465
   bfd_false)
466
#define _bfd_nolink_bfd_is_group_section \
467
  ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
468
   bfd_false)
469
#define _bfd_nolink_bfd_discard_group \
470
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
471
   bfd_false)
472
#define _bfd_nolink_bfd_link_hash_table_create \
473
  ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
474
#define _bfd_nolink_bfd_link_hash_table_free \
475
  ((void (*) (struct bfd_link_hash_table *)) bfd_void)
476
#define _bfd_nolink_bfd_link_add_symbols \
477
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
478
#define _bfd_nolink_bfd_link_just_syms \
479
  ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
480
#define _bfd_nolink_bfd_copy_link_hash_symbol_type \
481
  ((void (*) (bfd *, struct bfd_link_hash_entry *, \
482
              struct bfd_link_hash_entry *)) bfd_void)
483
#define _bfd_nolink_bfd_final_link \
484
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
485
#define _bfd_nolink_bfd_link_split_section \
486
  ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
487
#define _bfd_nolink_section_already_linked \
488 161 khays
  ((bfd_boolean (*) (bfd *, asection *, \
489
                     struct bfd_link_info *)) bfd_false)
490 14 khays
#define _bfd_nolink_bfd_define_common_symbol \
491
  ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
492
                     struct bfd_link_hash_entry *)) bfd_false)
493
 
494
/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
495
   have dynamic symbols or relocs.  Use BFD_JUMP_TABLE_DYNAMIC
496
   (_bfd_nodynamic).  */
497
 
498
#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
499
#define _bfd_nodynamic_canonicalize_dynamic_symtab \
500
  ((long (*) (bfd *, asymbol **)) _bfd_n1)
501
#define _bfd_nodynamic_get_synthetic_symtab \
502
  ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
503
#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
504
#define _bfd_nodynamic_canonicalize_dynamic_reloc \
505
  ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
506
 
507
/* Generic routine to determine of the given symbol is a local
508
   label.  */
509
extern bfd_boolean bfd_generic_is_local_label_name
510
  (bfd *, const char *);
511
 
512
/* Generic minisymbol routines.  */
513
extern long _bfd_generic_read_minisymbols
514
  (bfd *, bfd_boolean, void **, unsigned int *);
515
extern asymbol *_bfd_generic_minisymbol_to_symbol
516
  (bfd *, bfd_boolean, const void *, asymbol *);
517
 
518
/* Find the nearest line using .stab/.stabstr sections.  */
519
extern bfd_boolean _bfd_stab_section_find_nearest_line
520
  (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
521
   const char **, const char **, unsigned int *, void **);
522
 
523
/* Find the nearest line using DWARF 1 debugging information.  */
524
extern bfd_boolean _bfd_dwarf1_find_nearest_line
525
  (bfd *, asection *, asymbol **, bfd_vma, const char **,
526
   const char **, unsigned int *);
527
 
528 163 khays
struct dwarf_debug_section
529
{
530
  const char *uncompressed_name;
531
  const char *compressed_name;
532
};
533
 
534
/* Map of uncompressed DWARF debug section name to compressed one.  It
535
   is terminated by NULL uncompressed_name.  */
536
 
537
extern const struct dwarf_debug_section dwarf_debug_sections[];
538
 
539 14 khays
/* Find the nearest line using DWARF 2 debugging information.  */
540
extern bfd_boolean _bfd_dwarf2_find_nearest_line
541 163 khays
  (bfd *, const struct dwarf_debug_section *, asection *, asymbol **, bfd_vma,
542
   const char **, const char **, unsigned int *, unsigned int, void **);
543 14 khays
 
544
/* Find the line using DWARF 2 debugging information.  */
545
extern bfd_boolean _bfd_dwarf2_find_line
546
  (bfd *, asymbol **, asymbol *, const char **,
547
   unsigned int *, unsigned int, void **);
548
 
549
bfd_boolean _bfd_generic_find_line
550
  (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
551
 
552
/* Find inliner info after calling bfd_find_nearest_line. */
553
extern bfd_boolean _bfd_dwarf2_find_inliner_info
554
  (bfd *, const char **, const char **, unsigned int *, void **);
555 166 khays
 
556
/* Read DWARF 2 debugging information. */
557
extern bfd_boolean _bfd_dwarf2_slurp_debug_info
558
  (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **);
559
 
560
/* Clean up the data used to handle DWARF 2 debugging information. */
561
extern void _bfd_dwarf2_cleanup_debug_info
562
  (bfd *, void **);
563
 
564 14 khays
/* Create a new section entry.  */
565
extern struct bfd_hash_entry *bfd_section_hash_newfunc
566
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
567
 
568
/* A routine to create entries for a bfd_link_hash_table.  */
569
extern struct bfd_hash_entry *_bfd_link_hash_newfunc
570
  (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
571
   const char *string);
572
 
573
/* Initialize a bfd_link_hash_table.  */
574
extern bfd_boolean _bfd_link_hash_table_init
575
  (struct bfd_link_hash_table *, bfd *,
576
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
577
                               struct bfd_hash_table *,
578
                               const char *),
579
   unsigned int);
580
 
581
/* Generic link hash table creation routine.  */
582
extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
583
  (bfd *);
584
 
585
/* Generic link hash table destruction routine.  */
586
extern void _bfd_generic_link_hash_table_free
587
  (struct bfd_link_hash_table *);
588
 
589
/* Generic add symbol routine.  */
590
extern bfd_boolean _bfd_generic_link_add_symbols
591
  (bfd *, struct bfd_link_info *);
592
 
593
/* Generic add symbol routine.  This version is used by targets for
594
   which the linker must collect constructors and destructors by name,
595
   as the collect2 program does.  */
596
extern bfd_boolean _bfd_generic_link_add_symbols_collect
597
  (bfd *, struct bfd_link_info *);
598
 
599
/* Generic archive add symbol routine.  */
600
extern bfd_boolean _bfd_generic_link_add_archive_symbols
601
  (bfd *, struct bfd_link_info *,
602
   bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
603
 
604
/* Forward declaration to avoid prototype errors.  */
605
typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
606
 
607
/* Generic routine to add a single symbol.  */
608
extern bfd_boolean _bfd_generic_link_add_one_symbol
609
  (struct bfd_link_info *, bfd *, const char *name, flagword,
610
   asection *, bfd_vma, const char *, bfd_boolean copy,
611
   bfd_boolean constructor, struct bfd_link_hash_entry **);
612
 
613
/* Generic routine to mark section as supplying symbols only.  */
614
extern void _bfd_generic_link_just_syms
615
  (asection *, struct bfd_link_info *);
616
 
617
/* Generic routine that does nothing.  */
618
extern void _bfd_generic_copy_link_hash_symbol_type
619
  (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
620
 
621
/* Generic link routine.  */
622
extern bfd_boolean _bfd_generic_final_link
623
  (bfd *, struct bfd_link_info *);
624
 
625
extern bfd_boolean _bfd_generic_link_split_section
626
  (bfd *, struct bfd_section *);
627
 
628 161 khays
extern bfd_boolean _bfd_generic_section_already_linked
629
  (bfd *, asection *, struct bfd_link_info *);
630 14 khays
 
631
/* Generic reloc_link_order processing routine.  */
632
extern bfd_boolean _bfd_generic_reloc_link_order
633
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
634
 
635
/* Default link order processing routine.  */
636
extern bfd_boolean _bfd_default_link_order
637
  (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
638
 
639
/* Count the number of reloc entries in a link order list.  */
640
extern unsigned int _bfd_count_link_order_relocs
641
  (struct bfd_link_order *);
642
 
643
/* Final link relocation routine.  */
644
extern bfd_reloc_status_type _bfd_final_link_relocate
645
  (reloc_howto_type *, bfd *, asection *, bfd_byte *,
646
   bfd_vma, bfd_vma, bfd_vma);
647
 
648
/* Relocate a particular location by a howto and a value.  */
649
extern bfd_reloc_status_type _bfd_relocate_contents
650
  (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
651
 
652
/* Clear a given location using a given howto.  */
653
extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
654
                                 asection *input_section, bfd_byte *location);
655
 
656
/* Link stabs in sections in the first pass.  */
657
 
658
extern bfd_boolean _bfd_link_section_stabs
659
  (bfd *, struct stab_info *, asection *, asection *, void **,
660
   bfd_size_type *);
661
 
662
/* Eliminate stabs for discarded functions and symbols.  */
663
extern bfd_boolean _bfd_discard_section_stabs
664
  (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
665
 
666
/* Write out the .stab section when linking stabs in sections.  */
667
 
668
extern bfd_boolean _bfd_write_section_stabs
669
  (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
670
 
671
/* Write out the .stabstr string table when linking stabs in sections.  */
672
 
673
extern bfd_boolean _bfd_write_stab_strings
674
  (bfd *, struct stab_info *);
675
 
676
/* Find an offset within a .stab section when linking stabs in
677
   sections.  */
678
 
679
extern bfd_vma _bfd_stab_section_offset
680
  (asection *, void *, bfd_vma);
681
 
682
/* Register a SEC_MERGE section as a candidate for merging.  */
683
 
684
extern bfd_boolean _bfd_add_merge_section
685
  (bfd *, void **, asection *, void **);
686
 
687
/* Attempt to merge SEC_MERGE sections.  */
688
 
689
extern bfd_boolean _bfd_merge_sections
690
  (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
691
 
692
/* Write out a merged section.  */
693
 
694
extern bfd_boolean _bfd_write_merged_section
695
  (bfd *, asection *, void *);
696
 
697
/* Find an offset within a modified SEC_MERGE section.  */
698
 
699
extern bfd_vma _bfd_merged_section_offset
700
  (bfd *, asection **, void *, bfd_vma);
701
 
702
/* Create a string table.  */
703
extern struct bfd_strtab_hash *_bfd_stringtab_init
704
  (void);
705
 
706
/* Create an XCOFF .debug section style string table.  */
707
extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
708
  (void);
709
 
710
/* Free a string table.  */
711
extern void _bfd_stringtab_free
712
  (struct bfd_strtab_hash *);
713
 
714
/* Get the size of a string table.  */
715
extern bfd_size_type _bfd_stringtab_size
716
  (struct bfd_strtab_hash *);
717
 
718
/* Add a string to a string table.  */
719
extern bfd_size_type _bfd_stringtab_add
720
  (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
721
 
722
/* Write out a string table.  */
723
extern bfd_boolean _bfd_stringtab_emit
724
  (bfd *, struct bfd_strtab_hash *);
725
 
726
/* Check that endianness of input and output file match.  */
727
extern bfd_boolean _bfd_generic_verify_endian_match
728
  (bfd *, bfd *);
729
 
730
/* Macros to tell if bfds are read or write enabled.
731
 
732
   Note that bfds open for read may be scribbled into if the fd passed
733
   to bfd_fdopenr is actually open both for read and write
734
   simultaneously.  However an output bfd will never be open for
735
   read.  Therefore sometimes you want to check bfd_read_p or
736
   !bfd_read_p, and only sometimes bfd_write_p.
737
*/
738
 
739
#define bfd_read_p(abfd) \
740
  ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
741
#define bfd_write_p(abfd) \
742
  ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
743
 
744
void bfd_assert
745
  (const char*,int);
746
 
747
#define BFD_ASSERT(x) \
748
  do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
749
 
750
#define BFD_FAIL() \
751
  do { bfd_assert(__FILE__,__LINE__); } while (0)
752
 
753
extern void _bfd_abort
754
  (const char *, int, const char *) ATTRIBUTE_NORETURN;
755
 
756
/* if gcc >= 2.6, we can give a function name, too */
757
#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
758
#define __PRETTY_FUNCTION__  ((char *) NULL)
759
#endif
760
 
761
#undef abort
762
#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
763
 
764
/* Manipulate a system FILE but using BFD's "file_ptr", rather than
765
   the system "off_t" or "off64_t", as the offset.  */
766
extern file_ptr real_ftell (FILE *file);
767
extern int real_fseek (FILE *file, file_ptr offset, int whence);
768
extern FILE *real_fopen (const char *filename, const char *modes);
769
 
770
/* List of supported target vectors, and the default vector (if
771
   bfd_default_vector[0] is NULL, there is no default).  */
772
extern const bfd_target * const *bfd_target_vector;
773
extern const bfd_target *bfd_default_vector[];
774
 
775
/* List of associated target vectors.  */
776
extern const bfd_target * const *bfd_associated_vector;
777
 
778
/* Functions shared by the ECOFF and MIPS ELF backends, which have no
779
   other common header files.  */
780
 
781
#if defined(__STDC__) || defined(ALMOST_STDC)
782
struct ecoff_find_line;
783
#endif
784
 
785
extern bfd_boolean _bfd_ecoff_locate_line
786
  (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
787
   const struct ecoff_debug_swap * const, struct ecoff_find_line *,
788
   const char **, const char **, unsigned int *);
789
extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
790
  (void *, bfd_byte *);
791
extern bfd_boolean _bfd_ecoff_get_accumulated_sym
792
  (void *, bfd_byte *);
793
extern bfd_boolean _bfd_ecoff_get_accumulated_ss
794
  (void *, bfd_byte *);
795
 
796
extern bfd_vma _bfd_get_gp_value
797
  (bfd *);
798
extern void _bfd_set_gp_value
799
  (bfd *, bfd_vma);
800
 
801
/* Function shared by the COFF and ELF SH backends, which have no
802
   other common header files.  */
803
 
804
#ifndef _bfd_sh_align_load_span
805
extern bfd_boolean _bfd_sh_align_load_span
806
  (bfd *, asection *, bfd_byte *,
807
   bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
808
   void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
809
#endif
810
 
811
/* This is the shape of the elements inside the already_linked hash
812
   table. It maps a name onto a list of already_linked elements with
813
   the same name.  */
814
 
815
struct bfd_section_already_linked_hash_entry
816
{
817
  struct bfd_hash_entry root;
818
  struct bfd_section_already_linked *entry;
819
};
820
 
821
struct bfd_section_already_linked
822
{
823
  struct bfd_section_already_linked *next;
824
  asection *sec;
825
};
826
 
827
extern struct bfd_section_already_linked_hash_entry *
828
  bfd_section_already_linked_table_lookup (const char *);
829
extern bfd_boolean bfd_section_already_linked_table_insert
830
  (struct bfd_section_already_linked_hash_entry *, asection *);
831
extern void bfd_section_already_linked_table_traverse
832
  (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
833
                    void *), void *);
834
 
835
extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
836
extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);

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