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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [bfd-in.h] - Blame information for rev 163

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1 14 khays
/* Main header file for the bfd library -- portable access to object files.
2
 
3
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4
   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
5
   Free Software Foundation, Inc.
6
 
7
   Contributed by Cygnus Support.
8
 
9
   This file is part of BFD, the Binary File Descriptor library.
10
 
11
   This program is free software; you can redistribute it and/or modify
12
   it under the terms of the GNU General Public License as published by
13
   the Free Software Foundation; either version 3 of the License, or
14
   (at your option) any later version.
15
 
16
   This program is distributed in the hope that it will be useful,
17
   but WITHOUT ANY WARRANTY; without even the implied warranty of
18
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
   GNU General Public License for more details.
20
 
21
   You should have received a copy of the GNU General Public License
22
   along with this program; if not, write to the Free Software
23
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
24
 
25
#ifndef __BFD_H_SEEN__
26
#define __BFD_H_SEEN__
27
 
28
#ifdef __cplusplus
29
extern "C" {
30
#endif
31
 
32
#include "ansidecl.h"
33
#include "symcat.h"
34 163 khays
#include <sys/stat.h>
35
 
36 14 khays
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
37
#ifndef SABER
38
/* This hack is to avoid a problem with some strict ANSI C preprocessors.
39
   The problem is, "32_" is not a valid preprocessing token, and we don't
40
   want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
41
   cause the inner CONCAT2 macros to be evaluated first, producing
42
   still-valid pp-tokens.  Then the final concatenation can be done.  */
43
#undef CONCAT4
44
#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
45
#endif
46
#endif
47
 
48
/* This is a utility macro to handle the situation where the code
49
   wants to place a constant string into the code, followed by a
50
   comma and then the length of the string.  Doing this by hand
51
   is error prone, so using this macro is safer.  */
52
#define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)
53
/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
54
   to create the arguments to another macro, since the preprocessor
55
   will mis-count the number of arguments to the outer macro (by not
56
   evaluating STRING_COMMA_LEN and so missing the comma).  This is a
57
   problem for example when trying to use STRING_COMMA_LEN to build
58
   the arguments to the strncmp() macro.  Hence this alternative
59
   definition of strncmp is provided here.
60
 
61
   Note - these macros do NOT work if STR2 is not a constant string.  */
62
#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
63
  /* strcpy() can have a similar problem, but since we know we are
64
     copying a constant string, we can use memcpy which will be faster
65
     since there is no need to check for a NUL byte inside STR.  We
66
     can also save time if we do not need to copy the terminating NUL.  */
67
#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)
68
#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
69
 
70
 
71
#define BFD_SUPPORTS_PLUGINS @supports_plugins@
72
 
73
/* The word size used by BFD on the host.  This may be 64 with a 32
74
   bit target if the host is 64 bit, or if other 64 bit targets have
75
   been selected with --enable-targets, or if --enable-64-bit-bfd.  */
76
#define BFD_ARCH_SIZE @wordsize@
77
 
78
/* The word size of the default bfd target.  */
79
#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
80
 
81
#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
82
#define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@
83
#if @BFD_HOST_64_BIT_DEFINED@
84
#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
85
#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
86
typedef BFD_HOST_64_BIT bfd_int64_t;
87
typedef BFD_HOST_U_64_BIT bfd_uint64_t;
88
#endif
89
 
90
#if BFD_ARCH_SIZE >= 64
91
#define BFD64
92
#endif
93
 
94
#ifndef INLINE
95
#if __GNUC__ >= 2
96
#define INLINE __inline__
97
#else
98
#define INLINE
99
#endif
100
#endif
101
 
102
/* Declaring a type wide enough to hold a host long and a host pointer.  */
103
#define BFD_HOSTPTR_T   @BFD_HOSTPTR_T@
104
typedef BFD_HOSTPTR_T bfd_hostptr_t;
105
 
106
/* Forward declaration.  */
107
typedef struct bfd bfd;
108
 
109
/* Boolean type used in bfd.  Too many systems define their own
110
   versions of "boolean" for us to safely typedef a "boolean" of
111
   our own.  Using an enum for "bfd_boolean" has its own set of
112
   problems, with strange looking casts required to avoid warnings
113
   on some older compilers.  Thus we just use an int.
114
 
115
   General rule: Functions which are bfd_boolean return TRUE on
116
   success and FALSE on failure (unless they're a predicate).  */
117
 
118
typedef int bfd_boolean;
119
#undef FALSE
120
#undef TRUE
121
#define FALSE 0
122
#define TRUE 1
123
 
124
#ifdef BFD64
125
 
126
#ifndef BFD_HOST_64_BIT
127
 #error No 64 bit integer type available
128
#endif /* ! defined (BFD_HOST_64_BIT) */
129
 
130
typedef BFD_HOST_U_64_BIT bfd_vma;
131
typedef BFD_HOST_64_BIT bfd_signed_vma;
132
typedef BFD_HOST_U_64_BIT bfd_size_type;
133
typedef BFD_HOST_U_64_BIT symvalue;
134
 
135
#if BFD_HOST_64BIT_LONG
136
#define BFD_VMA_FMT "l"
137
#elif defined (__MSVCRT__)
138
#define BFD_VMA_FMT "I64"
139
#else
140
#define BFD_VMA_FMT "ll"
141
#endif
142
 
143
#ifndef fprintf_vma
144
#define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)
145
#define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)
146
#endif
147
 
148
#else /* not BFD64  */
149
 
150
/* Represent a target address.  Also used as a generic unsigned type
151
   which is guaranteed to be big enough to hold any arithmetic types
152
   we need to deal with.  */
153
typedef unsigned long bfd_vma;
154
 
155
/* A generic signed type which is guaranteed to be big enough to hold any
156
   arithmetic types we need to deal with.  Can be assumed to be compatible
157
   with bfd_vma in the same way that signed and unsigned ints are compatible
158
   (as parameters, in assignment, etc).  */
159
typedef long bfd_signed_vma;
160
 
161
typedef unsigned long symvalue;
162
typedef unsigned long bfd_size_type;
163
 
164
/* Print a bfd_vma x on stream s.  */
165
#define BFD_VMA_FMT "l"
166
#define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x)
167
#define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x)
168
 
169
#endif /* not BFD64  */
170
 
171
#define HALF_BFD_SIZE_TYPE \
172
  (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
173
 
174
#ifndef BFD_HOST_64_BIT
175
/* Fall back on a 32 bit type.  The idea is to make these types always
176
   available for function return types, but in the case that
177
   BFD_HOST_64_BIT is undefined such a function should abort or
178
   otherwise signal an error.  */
179
typedef bfd_signed_vma bfd_int64_t;
180
typedef bfd_vma bfd_uint64_t;
181
#endif
182
 
183
/* An offset into a file.  BFD always uses the largest possible offset
184
   based on the build time availability of fseek, fseeko, or fseeko64.  */
185
typedef @bfd_file_ptr@ file_ptr;
186
typedef unsigned @bfd_file_ptr@ ufile_ptr;
187
 
188
extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);
189
extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
190
 
191
#define printf_vma(x) fprintf_vma(stdout,x)
192
#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
193
 
194
typedef unsigned int flagword;  /* 32 bits of flags */
195
typedef unsigned char bfd_byte;
196
 
197
/* File formats.  */
198
 
199
typedef enum bfd_format
200
{
201
  bfd_unknown = 0,       /* File format is unknown.  */
202
  bfd_object,           /* Linker/assembler/compiler output.  */
203
  bfd_archive,          /* Object archive file.  */
204
  bfd_core,             /* Core dump.  */
205
  bfd_type_end          /* Marks the end; don't use it!  */
206
}
207
bfd_format;
208
 
209
/* Symbols and relocation.  */
210
 
211
/* A count of carsyms (canonical archive symbols).  */
212
typedef unsigned long symindex;
213
 
214
/* How to perform a relocation.  */
215
typedef const struct reloc_howto_struct reloc_howto_type;
216
 
217
#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
218
 
219
/* General purpose part of a symbol X;
220
   target specific parts are in libcoff.h, libaout.h, etc.  */
221
 
222
#define bfd_get_section(x) ((x)->section)
223
#define bfd_get_output_section(x) ((x)->section->output_section)
224
#define bfd_set_section(x,y) ((x)->section) = (y)
225
#define bfd_asymbol_base(x) ((x)->section->vma)
226
#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
227
#define bfd_asymbol_name(x) ((x)->name)
228
/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
229
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
230
#define bfd_asymbol_flavour(x)                  \
231
  (((x)->flags & BSF_SYNTHETIC) != 0             \
232
   ? bfd_target_unknown_flavour                 \
233
   : bfd_asymbol_bfd (x)->xvec->flavour)
234
 
235
/* A canonical archive symbol.  */
236
/* This is a type pun with struct ranlib on purpose!  */
237
typedef struct carsym
238
{
239
  char *name;
240
  file_ptr file_offset; /* Look here to find the file.  */
241
}
242
carsym;                 /* To make these you call a carsymogen.  */
243
 
244
/* Used in generating armaps (archive tables of contents).
245
   Perhaps just a forward definition would do?  */
246
struct orl                      /* Output ranlib.  */
247
{
248
  char **name;          /* Symbol name.  */
249
  union
250
  {
251
    file_ptr pos;
252
    bfd *abfd;
253
  } u;                  /* bfd* or file position.  */
254
  int namidx;           /* Index into string table.  */
255
};
256
 
257
/* Linenumber stuff.  */
258
typedef struct lineno_cache_entry
259
{
260
  unsigned int line_number;     /* Linenumber from start of function.  */
261
  union
262
  {
263
    struct bfd_symbol *sym;     /* Function name.  */
264
    bfd_vma offset;                     /* Offset into section.  */
265
  } u;
266
}
267
alent;
268
 
269
/* Object and core file sections.  */
270
 
271
#define align_power(addr, align)        \
272
  (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
273
 
274
typedef struct bfd_section *sec_ptr;
275
 
276
#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
277
#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
278
#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
279
#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
280
#define bfd_section_name(bfd, ptr) ((ptr)->name)
281
#define bfd_section_size(bfd, ptr) ((ptr)->size)
282
#define bfd_get_section_size(ptr) ((ptr)->size)
283
#define bfd_section_vma(bfd, ptr) ((ptr)->vma)
284
#define bfd_section_lma(bfd, ptr) ((ptr)->lma)
285
#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
286
#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
287
#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
288
 
289
#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
290
 
291
#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
292
#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
293
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
294
/* Find the address one past the end of SEC.  */
295
#define bfd_get_section_limit(bfd, sec) \
296
  (((bfd)->direction != write_direction && (sec)->rawsize != 0   \
297
    ? (sec)->rawsize : (sec)->size) / bfd_octets_per_byte (bfd))
298
 
299
/* Return TRUE if input section SEC has been discarded.  */
300
#define elf_discarded_section(sec)                              \
301
  (!bfd_is_abs_section (sec)                                    \
302
   && bfd_is_abs_section ((sec)->output_section)                \
303
   && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE               \
304
   && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
305
 
306
typedef enum bfd_print_symbol
307
{
308
  bfd_print_symbol_name,
309
  bfd_print_symbol_more,
310
  bfd_print_symbol_all
311
} bfd_print_symbol_type;
312
 
313
/* Information about a symbol that nm needs.  */
314
 
315
typedef struct _symbol_info
316
{
317
  symvalue value;
318
  char type;
319
  const char *name;            /* Symbol name.  */
320
  unsigned char stab_type;     /* Stab type.  */
321
  char stab_other;             /* Stab other.  */
322
  short stab_desc;             /* Stab desc.  */
323
  const char *stab_name;       /* String for stab type.  */
324
} symbol_info;
325
 
326
/* Get the name of a stabs type code.  */
327
 
328
extern const char *bfd_get_stab_name (int);
329
 
330
/* Hash table routines.  There is no way to free up a hash table.  */
331
 
332
/* An element in the hash table.  Most uses will actually use a larger
333
   structure, and an instance of this will be the first field.  */
334
 
335
struct bfd_hash_entry
336
{
337
  /* Next entry for this hash code.  */
338
  struct bfd_hash_entry *next;
339
  /* String being hashed.  */
340
  const char *string;
341
  /* Hash code.  This is the full hash code, not the index into the
342
     table.  */
343
  unsigned long hash;
344
};
345
 
346
/* A hash table.  */
347
 
348
struct bfd_hash_table
349
{
350
  /* The hash array.  */
351
  struct bfd_hash_entry **table;
352
  /* A function used to create new elements in the hash table.  The
353
     first entry is itself a pointer to an element.  When this
354
     function is first invoked, this pointer will be NULL.  However,
355
     having the pointer permits a hierarchy of method functions to be
356
     built each of which calls the function in the superclass.  Thus
357
     each function should be written to allocate a new block of memory
358
     only if the argument is NULL.  */
359
  struct bfd_hash_entry *(*newfunc)
360
    (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
361
   /* An objalloc for this hash table.  This is a struct objalloc *,
362
     but we use void * to avoid requiring the inclusion of objalloc.h.  */
363
  void *memory;
364
  /* The number of slots in the hash table.  */
365
  unsigned int size;
366
  /* The number of entries in the hash table.  */
367
  unsigned int count;
368
  /* The size of elements.  */
369
  unsigned int entsize;
370
  /* If non-zero, don't grow the hash table.  */
371
  unsigned int frozen:1;
372
};
373
 
374
/* Initialize a hash table.  */
375
extern bfd_boolean bfd_hash_table_init
376
  (struct bfd_hash_table *,
377
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
378
                               struct bfd_hash_table *,
379
                               const char *),
380
   unsigned int);
381
 
382
/* Initialize a hash table specifying a size.  */
383
extern bfd_boolean bfd_hash_table_init_n
384
  (struct bfd_hash_table *,
385
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
386
                               struct bfd_hash_table *,
387
                               const char *),
388
   unsigned int, unsigned int);
389
 
390
/* Free up a hash table.  */
391
extern void bfd_hash_table_free
392
  (struct bfd_hash_table *);
393
 
394
/* Look up a string in a hash table.  If CREATE is TRUE, a new entry
395
   will be created for this string if one does not already exist.  The
396
   COPY argument must be TRUE if this routine should copy the string
397
   into newly allocated memory when adding an entry.  */
398
extern struct bfd_hash_entry *bfd_hash_lookup
399
  (struct bfd_hash_table *, const char *, bfd_boolean create,
400
   bfd_boolean copy);
401
 
402
/* Insert an entry in a hash table.  */
403
extern struct bfd_hash_entry *bfd_hash_insert
404
  (struct bfd_hash_table *, const char *, unsigned long);
405
 
406
/* Rename an entry in a hash table.  */
407
extern void bfd_hash_rename
408
  (struct bfd_hash_table *, const char *, struct bfd_hash_entry *);
409
 
410
/* Replace an entry in a hash table.  */
411
extern void bfd_hash_replace
412
  (struct bfd_hash_table *, struct bfd_hash_entry *old,
413
   struct bfd_hash_entry *nw);
414
 
415
/* Base method for creating a hash table entry.  */
416
extern struct bfd_hash_entry *bfd_hash_newfunc
417
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
418
 
419
/* Grab some space for a hash table entry.  */
420
extern void *bfd_hash_allocate
421
  (struct bfd_hash_table *, unsigned int);
422
 
423
/* Traverse a hash table in a random order, calling a function on each
424
   element.  If the function returns FALSE, the traversal stops.  The
425
   INFO argument is passed to the function.  */
426
extern void bfd_hash_traverse
427
  (struct bfd_hash_table *,
428
   bfd_boolean (*) (struct bfd_hash_entry *, void *),
429
   void *info);
430
 
431
/* Allows the default size of a hash table to be configured. New hash
432
   tables allocated using bfd_hash_table_init will be created with
433
   this size.  */
434
extern unsigned long bfd_hash_set_default_size (unsigned long);
435
 
436
/* This structure is used to keep track of stabs in sections
437
   information while linking.  */
438
 
439
struct stab_info
440
{
441
  /* A hash table used to hold stabs strings.  */
442
  struct bfd_strtab_hash *strings;
443
  /* The header file hash table.  */
444
  struct bfd_hash_table includes;
445
  /* The first .stabstr section.  */
446
  struct bfd_section *stabstr;
447
};
448
 
449
#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
450
 
451
/* User program access to BFD facilities.  */
452
 
453
/* Direct I/O routines, for programs which know more about the object
454
   file than BFD does.  Use higher level routines if possible.  */
455
 
456
extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
457
extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
458
extern int bfd_seek (bfd *, file_ptr, int);
459
extern file_ptr bfd_tell (bfd *);
460
extern int bfd_flush (bfd *);
461
extern int bfd_stat (bfd *, struct stat *);
462
 
463
/* Deprecated old routines.  */
464
#if __GNUC__
465
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
466
  (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
467
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
468
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
469
  (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
470
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
471
#else
472
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
473
  (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
474
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
475
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
476
  (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
477
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
478
#endif
479
extern void warn_deprecated (const char *, const char *, int, const char *);
480
 
481
/* Cast from const char * to char * so that caller can assign to
482
   a char * without a warning.  */
483
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
484
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
485
#define bfd_get_format(abfd) ((abfd)->format)
486
#define bfd_get_target(abfd) ((abfd)->xvec->name)
487
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
488
#define bfd_family_coff(abfd) \
489
  (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
490
   bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
491
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
492
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
493
#define bfd_header_big_endian(abfd) \
494
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
495
#define bfd_header_little_endian(abfd) \
496
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
497
#define bfd_get_file_flags(abfd) ((abfd)->flags)
498
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
499
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
500
#define bfd_my_archive(abfd) ((abfd)->my_archive)
501
#define bfd_has_map(abfd) ((abfd)->has_armap)
502
#define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
503
 
504
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
505
#define bfd_usrdata(abfd) ((abfd)->usrdata)
506
 
507
#define bfd_get_start_address(abfd) ((abfd)->start_address)
508
#define bfd_get_symcount(abfd) ((abfd)->symcount)
509
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
510
#define bfd_count_sections(abfd) ((abfd)->section_count)
511
 
512
#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
513
 
514
#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
515
 
516
#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
517
 
518
extern bfd_boolean bfd_cache_close
519
  (bfd *abfd);
520
/* NB: This declaration should match the autogenerated one in libbfd.h.  */
521
 
522
extern bfd_boolean bfd_cache_close_all (void);
523
 
524
extern bfd_boolean bfd_record_phdr
525
  (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
526
   bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
527
 
528
/* Byte swapping routines.  */
529
 
530
bfd_uint64_t bfd_getb64 (const void *);
531
bfd_uint64_t bfd_getl64 (const void *);
532
bfd_int64_t bfd_getb_signed_64 (const void *);
533
bfd_int64_t bfd_getl_signed_64 (const void *);
534
bfd_vma bfd_getb32 (const void *);
535
bfd_vma bfd_getl32 (const void *);
536
bfd_signed_vma bfd_getb_signed_32 (const void *);
537
bfd_signed_vma bfd_getl_signed_32 (const void *);
538
bfd_vma bfd_getb16 (const void *);
539
bfd_vma bfd_getl16 (const void *);
540
bfd_signed_vma bfd_getb_signed_16 (const void *);
541
bfd_signed_vma bfd_getl_signed_16 (const void *);
542
void bfd_putb64 (bfd_uint64_t, void *);
543
void bfd_putl64 (bfd_uint64_t, void *);
544
void bfd_putb32 (bfd_vma, void *);
545
void bfd_putl32 (bfd_vma, void *);
546
void bfd_putb16 (bfd_vma, void *);
547
void bfd_putl16 (bfd_vma, void *);
548
 
549
/* Byte swapping routines which take size and endiannes as arguments.  */
550
 
551
bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
552
void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
553
 
554
#if defined(__STDC__) || defined(ALMOST_STDC)
555
struct ecoff_debug_info;
556
struct ecoff_debug_swap;
557
struct ecoff_extr;
558
struct bfd_symbol;
559
struct bfd_link_info;
560
struct bfd_link_hash_entry;
561 161 khays
struct bfd_section_already_linked;
562 14 khays
struct bfd_elf_version_tree;
563
#endif
564 161 khays
 
565
extern bfd_boolean bfd_section_already_linked_table_init (void);
566
extern void bfd_section_already_linked_table_free (void);
567
extern bfd_boolean _bfd_handle_already_linked
568
  (struct bfd_section *, struct bfd_section_already_linked *,
569
   struct bfd_link_info *);
570
 
571
/* Externally visible ECOFF routines.  */
572
 
573 14 khays
extern bfd_vma bfd_ecoff_get_gp_value
574
  (bfd * abfd);
575
extern bfd_boolean bfd_ecoff_set_gp_value
576
  (bfd *abfd, bfd_vma gp_value);
577
extern bfd_boolean bfd_ecoff_set_regmasks
578
  (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
579
   unsigned long *cprmask);
580
extern void *bfd_ecoff_debug_init
581
  (bfd *output_bfd, struct ecoff_debug_info *output_debug,
582
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
583
extern void bfd_ecoff_debug_free
584
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
585
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
586
extern bfd_boolean bfd_ecoff_debug_accumulate
587
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
588
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
589
   struct ecoff_debug_info *input_debug,
590
   const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
591
extern bfd_boolean bfd_ecoff_debug_accumulate_other
592
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
593
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
594
   struct bfd_link_info *);
595
extern bfd_boolean bfd_ecoff_debug_externals
596
  (bfd *abfd, struct ecoff_debug_info *debug,
597
   const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
598
   bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
599
   void (*set_index) (struct bfd_symbol *, bfd_size_type));
600
extern bfd_boolean bfd_ecoff_debug_one_external
601
  (bfd *abfd, struct ecoff_debug_info *debug,
602
   const struct ecoff_debug_swap *swap, const char *name,
603
   struct ecoff_extr *esym);
604
extern bfd_size_type bfd_ecoff_debug_size
605
  (bfd *abfd, struct ecoff_debug_info *debug,
606
   const struct ecoff_debug_swap *swap);
607
extern bfd_boolean bfd_ecoff_write_debug
608
  (bfd *abfd, struct ecoff_debug_info *debug,
609
   const struct ecoff_debug_swap *swap, file_ptr where);
610
extern bfd_boolean bfd_ecoff_write_accumulated_debug
611
  (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
612
   const struct ecoff_debug_swap *swap,
613
   struct bfd_link_info *info, file_ptr where);
614
 
615
/* Externally visible ELF routines.  */
616
 
617
struct bfd_link_needed_list
618
{
619
  struct bfd_link_needed_list *next;
620
  bfd *by;
621
  const char *name;
622
};
623
 
624
enum dynamic_lib_link_class {
625
  DYN_NORMAL = 0,
626
  DYN_AS_NEEDED = 1,
627
  DYN_DT_NEEDED = 2,
628
  DYN_NO_ADD_NEEDED = 4,
629
  DYN_NO_NEEDED = 8
630
};
631
 
632
enum notice_asneeded_action {
633
  notice_as_needed,
634
  notice_not_needed,
635
  notice_needed
636
};
637
 
638
extern bfd_boolean bfd_elf_record_link_assignment
639
  (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
640
   bfd_boolean);
641
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
642
  (bfd *, struct bfd_link_info *);
643
extern bfd_boolean bfd_elf_get_bfd_needed_list
644
  (bfd *, struct bfd_link_needed_list **);
645
extern bfd_boolean bfd_elf_size_dynamic_sections
646
  (bfd *, const char *, const char *, const char *, const char *, const char *,
647 163 khays
   const char * const *, struct bfd_link_info *, struct bfd_section **);
648 14 khays
extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
649
  (bfd *, struct bfd_link_info *);
650
extern void bfd_elf_set_dt_needed_name
651
  (bfd *, const char *);
652
extern const char *bfd_elf_get_dt_soname
653
  (bfd *);
654
extern void bfd_elf_set_dyn_lib_class
655
  (bfd *, enum dynamic_lib_link_class);
656
extern int bfd_elf_get_dyn_lib_class
657
  (bfd *);
658
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
659
  (bfd *, struct bfd_link_info *);
660
extern bfd_boolean bfd_elf_discard_info
661
  (bfd *, struct bfd_link_info *);
662
extern unsigned int _bfd_elf_default_action_discarded
663
  (struct bfd_section *);
664
 
665
/* Return an upper bound on the number of bytes required to store a
666
   copy of ABFD's program header table entries.  Return -1 if an error
667
   occurs; bfd_get_error will return an appropriate code.  */
668
extern long bfd_get_elf_phdr_upper_bound
669
  (bfd *abfd);
670
 
671
/* Copy ABFD's program header table entries to *PHDRS.  The entries
672
   will be stored as an array of Elf_Internal_Phdr structures, as
673
   defined in include/elf/internal.h.  To find out how large the
674
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.
675
 
676
   Return the number of program header table entries read, or -1 if an
677
   error occurs; bfd_get_error will return an appropriate code.  */
678
extern int bfd_get_elf_phdrs
679
  (bfd *abfd, void *phdrs);
680
 
681
/* Create a new BFD as if by bfd_openr.  Rather than opening a file,
682
   reconstruct an ELF file by reading the segments out of remote memory
683
   based on the ELF file header at EHDR_VMA and the ELF program headers it
684
   points to.  If not null, *LOADBASEP is filled in with the difference
685
   between the VMAs from which the segments were read, and the VMAs the
686
   file headers (and hence BFD's idea of each section's VMA) put them at.
687
 
688
   The function TARGET_READ_MEMORY is called to copy LEN bytes from the
689
   remote memory at target address VMA into the local buffer at MYADDR; it
690
   should return zero on success or an `errno' code on failure.  TEMPL must
691
   be a BFD for an ELF target with the word size and byte order found in
692
   the remote memory.  */
693
extern bfd *bfd_elf_bfd_from_remote_memory
694
  (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
695
   int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
696
 
697
/* Return the arch_size field of an elf bfd, or -1 if not elf.  */
698
extern int bfd_get_arch_size
699
  (bfd *);
700
 
701
/* Return TRUE if address "naturally" sign extends, or -1 if not elf.  */
702
extern int bfd_get_sign_extend_vma
703
  (bfd *);
704
 
705
extern struct bfd_section *_bfd_elf_tls_setup
706
  (bfd *, struct bfd_link_info *);
707
 
708
extern void _bfd_fix_excluded_sec_syms
709
  (bfd *, struct bfd_link_info *);
710
 
711
extern unsigned bfd_m68k_mach_to_features (int);
712
 
713
extern int bfd_m68k_features_to_mach (unsigned);
714
 
715
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
716
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
717
   char **);
718
 
719
extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
720
 
721
extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
722
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
723
   char **);
724
 
725
extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
726
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
727
   char **);
728
 
729
/* SunOS shared library support routines for the linker.  */
730
 
731
extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
732
  (bfd *, struct bfd_link_info *);
733
extern bfd_boolean bfd_sunos_record_link_assignment
734
  (bfd *, struct bfd_link_info *, const char *);
735
extern bfd_boolean bfd_sunos_size_dynamic_sections
736
  (bfd *, struct bfd_link_info *, struct bfd_section **,
737
   struct bfd_section **, struct bfd_section **);
738
 
739
/* Linux shared library support routines for the linker.  */
740
 
741
extern bfd_boolean bfd_i386linux_size_dynamic_sections
742
  (bfd *, struct bfd_link_info *);
743
extern bfd_boolean bfd_m68klinux_size_dynamic_sections
744
  (bfd *, struct bfd_link_info *);
745
extern bfd_boolean bfd_sparclinux_size_dynamic_sections
746
  (bfd *, struct bfd_link_info *);
747
 
748
/* mmap hacks */
749
 
750
struct _bfd_window_internal;
751
typedef struct _bfd_window_internal bfd_window_internal;
752
 
753
typedef struct _bfd_window
754
{
755
  /* What the user asked for.  */
756
  void *data;
757
  bfd_size_type size;
758
  /* The actual window used by BFD.  Small user-requested read-only
759
     regions sharing a page may share a single window into the object
760
     file.  Read-write versions shouldn't until I've fixed things to
761
     keep track of which portions have been claimed by the
762
     application; don't want to give the same region back when the
763
     application wants two writable copies!  */
764
  struct _bfd_window_internal *i;
765
}
766
bfd_window;
767
 
768
extern void bfd_init_window
769
  (bfd_window *);
770
extern void bfd_free_window
771
  (bfd_window *);
772
extern bfd_boolean bfd_get_file_window
773
  (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
774
 
775
/* XCOFF support routines for the linker.  */
776
 
777
extern bfd_boolean bfd_xcoff_split_import_path
778
  (bfd *, const char *, const char **, const char **);
779
extern bfd_boolean bfd_xcoff_set_archive_import_path
780
  (struct bfd_link_info *, bfd *, const char *);
781
extern bfd_boolean bfd_xcoff_link_record_set
782
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
783
extern bfd_boolean bfd_xcoff_import_symbol
784
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
785
   const char *, const char *, const char *, unsigned int);
786
extern bfd_boolean bfd_xcoff_export_symbol
787
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
788
extern bfd_boolean bfd_xcoff_link_count_reloc
789
  (bfd *, struct bfd_link_info *, const char *);
790
extern bfd_boolean bfd_xcoff_record_link_assignment
791
  (bfd *, struct bfd_link_info *, const char *);
792
extern bfd_boolean bfd_xcoff_size_dynamic_sections
793
  (bfd *, struct bfd_link_info *, const char *, const char *,
794
   unsigned long, unsigned long, unsigned long, bfd_boolean,
795
   int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
796
extern bfd_boolean bfd_xcoff_link_generate_rtinit
797
  (bfd *, const char *, const char *, bfd_boolean);
798
 
799
/* XCOFF support routines for ar.  */
800
extern bfd_boolean bfd_xcoff_ar_archive_set_magic
801
  (bfd *, char *);
802
 
803
/* Externally visible COFF routines.  */
804
 
805
#if defined(__STDC__) || defined(ALMOST_STDC)
806
struct internal_syment;
807
union internal_auxent;
808
#endif
809
 
810
extern bfd_boolean bfd_coff_get_syment
811
  (bfd *, struct bfd_symbol *, struct internal_syment *);
812
 
813
extern bfd_boolean bfd_coff_get_auxent
814
  (bfd *, struct bfd_symbol *, int, union internal_auxent *);
815
 
816
extern bfd_boolean bfd_coff_set_symbol_class
817
  (bfd *, struct bfd_symbol *, unsigned int);
818
 
819
extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
820
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
821
 
822
/* ARM VFP11 erratum workaround support.  */
823
typedef enum
824
{
825
  BFD_ARM_VFP11_FIX_DEFAULT,
826
  BFD_ARM_VFP11_FIX_NONE,
827
  BFD_ARM_VFP11_FIX_SCALAR,
828
  BFD_ARM_VFP11_FIX_VECTOR
829
} bfd_arm_vfp11_fix;
830
 
831
extern void bfd_elf32_arm_init_maps
832
  (bfd *);
833
 
834
extern void bfd_elf32_arm_set_vfp11_fix
835
  (bfd *, struct bfd_link_info *);
836
 
837
extern void bfd_elf32_arm_set_cortex_a8_fix
838
  (bfd *, struct bfd_link_info *);
839
 
840
extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
841
  (bfd *, struct bfd_link_info *);
842
 
843
extern void bfd_elf32_arm_vfp11_fix_veneer_locations
844
  (bfd *, struct bfd_link_info *);
845
 
846
/* ARM Interworking support.  Called from linker.  */
847
extern bfd_boolean bfd_arm_allocate_interworking_sections
848
  (struct bfd_link_info *);
849
 
850
extern bfd_boolean bfd_arm_process_before_allocation
851
  (bfd *, struct bfd_link_info *, int);
852
 
853
extern bfd_boolean bfd_arm_get_bfd_for_interworking
854
  (bfd *, struct bfd_link_info *);
855
 
856
/* PE ARM Interworking support.  Called from linker.  */
857
extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
858
  (struct bfd_link_info *);
859
 
860
extern bfd_boolean bfd_arm_pe_process_before_allocation
861
  (bfd *, struct bfd_link_info *, int);
862
 
863
extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
864
  (bfd *, struct bfd_link_info *);
865
 
866
/* ELF ARM Interworking support.  Called from linker.  */
867
extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
868
  (struct bfd_link_info *);
869
 
870
extern bfd_boolean bfd_elf32_arm_process_before_allocation
871
  (bfd *, struct bfd_link_info *);
872
 
873
void bfd_elf32_arm_set_target_relocs
874
  (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
875 161 khays
   int, int, int, int, int);
876 14 khays
 
877
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
878
  (bfd *, struct bfd_link_info *);
879
 
880
extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
881
  (bfd *, struct bfd_link_info *);
882
 
883
/* ELF ARM mapping symbol support */
884
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
885
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
886
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
887
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
888
extern bfd_boolean bfd_is_arm_special_symbol_name
889
  (const char * name, int type);
890
 
891
extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int);
892
 
893
/* ARM Note section processing.  */
894
extern bfd_boolean bfd_arm_merge_machines
895
  (bfd *, bfd *);
896
 
897
extern bfd_boolean bfd_arm_update_notes
898
  (bfd *, const char *);
899
 
900
extern unsigned int bfd_arm_get_mach_from_notes
901
  (bfd *, const char *);
902
 
903
/* ARM stub generation support.  Called from the linker.  */
904
extern int elf32_arm_setup_section_lists
905
  (bfd *, struct bfd_link_info *);
906
extern void elf32_arm_next_input_section
907
  (struct bfd_link_info *, struct bfd_section *);
908
extern bfd_boolean elf32_arm_size_stubs
909
  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
910
   struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
911
extern bfd_boolean elf32_arm_build_stubs
912
  (struct bfd_link_info *);
913
 
914
/* ARM unwind section editing support.  */
915
extern bfd_boolean elf32_arm_fix_exidx_coverage
916
(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
917
 
918
/* C6x unwind section editing support.  */
919
extern bfd_boolean elf32_tic6x_fix_exidx_coverage
920
(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
921
 
922
/* PowerPC @tls opcode transform/validate.  */
923
extern unsigned int _bfd_elf_ppc_at_tls_transform
924
  (unsigned int, unsigned int);
925
/* PowerPC @tprel opcode transform/validate.  */
926
extern unsigned int _bfd_elf_ppc_at_tprel_transform
927
  (unsigned int, unsigned int);
928
 
929
/* TI COFF load page support.  */
930
extern void bfd_ticoff_set_section_load_page
931
  (struct bfd_section *, int);
932
 
933
extern int bfd_ticoff_get_section_load_page
934
  (struct bfd_section *);
935
 
936
/* H8/300 functions.  */
937
extern bfd_vma bfd_h8300_pad_address
938
  (bfd *, bfd_vma);
939
 
940
/* IA64 Itanium code generation.  Called from linker.  */
941
extern void bfd_elf32_ia64_after_parse
942
  (int);
943
 
944
extern void bfd_elf64_ia64_after_parse
945
  (int);
946
 
947
/* This structure is used for a comdat section, as in PE.  A comdat
948
   section is associated with a particular symbol.  When the linker
949
   sees a comdat section, it keeps only one of the sections with a
950
   given name and associated with a given symbol.  */
951
 
952
struct coff_comdat_info
953
{
954
  /* The name of the symbol associated with a comdat section.  */
955
  const char *name;
956
 
957
  /* The local symbol table index of the symbol associated with a
958
     comdat section.  This is only meaningful to the object file format
959
     specific code; it is not an index into the list returned by
960
     bfd_canonicalize_symtab.  */
961
  long symbol;
962
};
963
 
964
extern struct coff_comdat_info *bfd_coff_get_comdat_section
965
  (bfd *, struct bfd_section *);
966
 

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