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

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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
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
35
#ifndef SABER
36
/* This hack is to avoid a problem with some strict ANSI C preprocessors.
37
   The problem is, "32_" is not a valid preprocessing token, and we don't
38
   want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
39
   cause the inner CONCAT2 macros to be evaluated first, producing
40
   still-valid pp-tokens.  Then the final concatenation can be done.  */
41
#undef CONCAT4
42
#define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
43
#endif
44
#endif
45
 
46
/* This is a utility macro to handle the situation where the code
47
   wants to place a constant string into the code, followed by a
48
   comma and then the length of the string.  Doing this by hand
49
   is error prone, so using this macro is safer.  */
50
#define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)
51
/* Unfortunately it is not possible to use the STRING_COMMA_LEN macro
52
   to create the arguments to another macro, since the preprocessor
53
   will mis-count the number of arguments to the outer macro (by not
54
   evaluating STRING_COMMA_LEN and so missing the comma).  This is a
55
   problem for example when trying to use STRING_COMMA_LEN to build
56
   the arguments to the strncmp() macro.  Hence this alternative
57
   definition of strncmp is provided here.
58
 
59
   Note - these macros do NOT work if STR2 is not a constant string.  */
60
#define CONST_STRNEQ(STR1,STR2) (strncmp ((STR1), (STR2), sizeof (STR2) - 1) == 0)
61
  /* strcpy() can have a similar problem, but since we know we are
62
     copying a constant string, we can use memcpy which will be faster
63
     since there is no need to check for a NUL byte inside STR.  We
64
     can also save time if we do not need to copy the terminating NUL.  */
65
#define LITMEMCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2) - 1)
66
#define LITSTRCPY(DEST,STR2) memcpy ((DEST), (STR2), sizeof (STR2))
67
 
68
 
69
#define BFD_SUPPORTS_PLUGINS @supports_plugins@
70
 
71
/* The word size used by BFD on the host.  This may be 64 with a 32
72
   bit target if the host is 64 bit, or if other 64 bit targets have
73
   been selected with --enable-targets, or if --enable-64-bit-bfd.  */
74
#define BFD_ARCH_SIZE @wordsize@
75
 
76
/* The word size of the default bfd target.  */
77
#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
78
 
79
#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
80
#define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@
81
#if @BFD_HOST_64_BIT_DEFINED@
82
#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
83
#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
84
typedef BFD_HOST_64_BIT bfd_int64_t;
85
typedef BFD_HOST_U_64_BIT bfd_uint64_t;
86
#endif
87
 
88
#if BFD_ARCH_SIZE >= 64
89
#define BFD64
90
#endif
91
 
92
#ifndef INLINE
93
#if __GNUC__ >= 2
94
#define INLINE __inline__
95
#else
96
#define INLINE
97
#endif
98
#endif
99
 
100
/* Declaring a type wide enough to hold a host long and a host pointer.  */
101
#define BFD_HOSTPTR_T   @BFD_HOSTPTR_T@
102
typedef BFD_HOSTPTR_T bfd_hostptr_t;
103
 
104
/* Forward declaration.  */
105
typedef struct bfd bfd;
106
 
107
/* Boolean type used in bfd.  Too many systems define their own
108
   versions of "boolean" for us to safely typedef a "boolean" of
109
   our own.  Using an enum for "bfd_boolean" has its own set of
110
   problems, with strange looking casts required to avoid warnings
111
   on some older compilers.  Thus we just use an int.
112
 
113
   General rule: Functions which are bfd_boolean return TRUE on
114
   success and FALSE on failure (unless they're a predicate).  */
115
 
116
typedef int bfd_boolean;
117
#undef FALSE
118
#undef TRUE
119
#define FALSE 0
120
#define TRUE 1
121
 
122
#ifdef BFD64
123
 
124
#ifndef BFD_HOST_64_BIT
125
 #error No 64 bit integer type available
126
#endif /* ! defined (BFD_HOST_64_BIT) */
127
 
128
typedef BFD_HOST_U_64_BIT bfd_vma;
129
typedef BFD_HOST_64_BIT bfd_signed_vma;
130
typedef BFD_HOST_U_64_BIT bfd_size_type;
131
typedef BFD_HOST_U_64_BIT symvalue;
132
 
133
#if BFD_HOST_64BIT_LONG
134
#define BFD_VMA_FMT "l"
135
#elif defined (__MSVCRT__)
136
#define BFD_VMA_FMT "I64"
137
#else
138
#define BFD_VMA_FMT "ll"
139
#endif
140
 
141
#ifndef fprintf_vma
142
#define sprintf_vma(s,x) sprintf (s, "%016" BFD_VMA_FMT "x", x)
143
#define fprintf_vma(f,x) fprintf (f, "%016" BFD_VMA_FMT "x", x)
144
#endif
145
 
146
#else /* not BFD64  */
147
 
148
/* Represent a target address.  Also used as a generic unsigned type
149
   which is guaranteed to be big enough to hold any arithmetic types
150
   we need to deal with.  */
151
typedef unsigned long bfd_vma;
152
 
153
/* A generic signed type which is guaranteed to be big enough to hold any
154
   arithmetic types we need to deal with.  Can be assumed to be compatible
155
   with bfd_vma in the same way that signed and unsigned ints are compatible
156
   (as parameters, in assignment, etc).  */
157
typedef long bfd_signed_vma;
158
 
159
typedef unsigned long symvalue;
160
typedef unsigned long bfd_size_type;
161
 
162
/* Print a bfd_vma x on stream s.  */
163
#define BFD_VMA_FMT "l"
164
#define fprintf_vma(s,x) fprintf (s, "%08" BFD_VMA_FMT "x", x)
165
#define sprintf_vma(s,x) sprintf (s, "%08" BFD_VMA_FMT "x", x)
166
 
167
#endif /* not BFD64  */
168
 
169
#define HALF_BFD_SIZE_TYPE \
170
  (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
171
 
172
#ifndef BFD_HOST_64_BIT
173
/* Fall back on a 32 bit type.  The idea is to make these types always
174
   available for function return types, but in the case that
175
   BFD_HOST_64_BIT is undefined such a function should abort or
176
   otherwise signal an error.  */
177
typedef bfd_signed_vma bfd_int64_t;
178
typedef bfd_vma bfd_uint64_t;
179
#endif
180
 
181
/* An offset into a file.  BFD always uses the largest possible offset
182
   based on the build time availability of fseek, fseeko, or fseeko64.  */
183
typedef @bfd_file_ptr@ file_ptr;
184
typedef unsigned @bfd_file_ptr@ ufile_ptr;
185
 
186
extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);
187
extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
188
 
189
#define printf_vma(x) fprintf_vma(stdout,x)
190
#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
191
 
192
typedef unsigned int flagword;  /* 32 bits of flags */
193
typedef unsigned char bfd_byte;
194
 
195
/* File formats.  */
196
 
197
typedef enum bfd_format
198
{
199
  bfd_unknown = 0,       /* File format is unknown.  */
200
  bfd_object,           /* Linker/assembler/compiler output.  */
201
  bfd_archive,          /* Object archive file.  */
202
  bfd_core,             /* Core dump.  */
203
  bfd_type_end          /* Marks the end; don't use it!  */
204
}
205
bfd_format;
206
 
207
/* Symbols and relocation.  */
208
 
209
/* A count of carsyms (canonical archive symbols).  */
210
typedef unsigned long symindex;
211
 
212
/* How to perform a relocation.  */
213
typedef const struct reloc_howto_struct reloc_howto_type;
214
 
215
#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
216
 
217
/* General purpose part of a symbol X;
218
   target specific parts are in libcoff.h, libaout.h, etc.  */
219
 
220
#define bfd_get_section(x) ((x)->section)
221
#define bfd_get_output_section(x) ((x)->section->output_section)
222
#define bfd_set_section(x,y) ((x)->section) = (y)
223
#define bfd_asymbol_base(x) ((x)->section->vma)
224
#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
225
#define bfd_asymbol_name(x) ((x)->name)
226
/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
227
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
228
#define bfd_asymbol_flavour(x)                  \
229
  (((x)->flags & BSF_SYNTHETIC) != 0             \
230
   ? bfd_target_unknown_flavour                 \
231
   : bfd_asymbol_bfd (x)->xvec->flavour)
232
 
233
/* A canonical archive symbol.  */
234
/* This is a type pun with struct ranlib on purpose!  */
235
typedef struct carsym
236
{
237
  char *name;
238
  file_ptr file_offset; /* Look here to find the file.  */
239
}
240
carsym;                 /* To make these you call a carsymogen.  */
241
 
242
/* Used in generating armaps (archive tables of contents).
243
   Perhaps just a forward definition would do?  */
244
struct orl                      /* Output ranlib.  */
245
{
246
  char **name;          /* Symbol name.  */
247
  union
248
  {
249
    file_ptr pos;
250
    bfd *abfd;
251
  } u;                  /* bfd* or file position.  */
252
  int namidx;           /* Index into string table.  */
253
};
254
 
255
/* Linenumber stuff.  */
256
typedef struct lineno_cache_entry
257
{
258
  unsigned int line_number;     /* Linenumber from start of function.  */
259
  union
260
  {
261
    struct bfd_symbol *sym;     /* Function name.  */
262
    bfd_vma offset;                     /* Offset into section.  */
263
  } u;
264
}
265
alent;
266
 
267
/* Object and core file sections.  */
268
 
269
#define align_power(addr, align)        \
270
  (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
271
 
272
typedef struct bfd_section *sec_ptr;
273
 
274
#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
275
#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
276
#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
277
#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
278
#define bfd_section_name(bfd, ptr) ((ptr)->name)
279
#define bfd_section_size(bfd, ptr) ((ptr)->size)
280
#define bfd_get_section_size(ptr) ((ptr)->size)
281
#define bfd_section_vma(bfd, ptr) ((ptr)->vma)
282
#define bfd_section_lma(bfd, ptr) ((ptr)->lma)
283
#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
284
#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
285
#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
286
 
287
#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
288
 
289
#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
290
#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
291
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
292
/* Find the address one past the end of SEC.  */
293
#define bfd_get_section_limit(bfd, sec) \
294
  (((bfd)->direction != write_direction && (sec)->rawsize != 0   \
295
    ? (sec)->rawsize : (sec)->size) / bfd_octets_per_byte (bfd))
296
 
297
/* Return TRUE if input section SEC has been discarded.  */
298
#define elf_discarded_section(sec)                              \
299
  (!bfd_is_abs_section (sec)                                    \
300
   && bfd_is_abs_section ((sec)->output_section)                \
301
   && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE               \
302
   && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
303
 
304
/* Forward define.  */
305
struct stat;
306
 
307
typedef enum bfd_print_symbol
308
{
309
  bfd_print_symbol_name,
310
  bfd_print_symbol_more,
311
  bfd_print_symbol_all
312
} bfd_print_symbol_type;
313
 
314
/* Information about a symbol that nm needs.  */
315
 
316
typedef struct _symbol_info
317
{
318
  symvalue value;
319
  char type;
320
  const char *name;            /* Symbol name.  */
321
  unsigned char stab_type;     /* Stab type.  */
322
  char stab_other;             /* Stab other.  */
323
  short stab_desc;             /* Stab desc.  */
324
  const char *stab_name;       /* String for stab type.  */
325
} symbol_info;
326
 
327
/* Get the name of a stabs type code.  */
328
 
329
extern const char *bfd_get_stab_name (int);
330
 
331
/* Hash table routines.  There is no way to free up a hash table.  */
332
 
333
/* An element in the hash table.  Most uses will actually use a larger
334
   structure, and an instance of this will be the first field.  */
335
 
336
struct bfd_hash_entry
337
{
338
  /* Next entry for this hash code.  */
339
  struct bfd_hash_entry *next;
340
  /* String being hashed.  */
341
  const char *string;
342
  /* Hash code.  This is the full hash code, not the index into the
343
     table.  */
344
  unsigned long hash;
345
};
346
 
347
/* A hash table.  */
348
 
349
struct bfd_hash_table
350
{
351
  /* The hash array.  */
352
  struct bfd_hash_entry **table;
353
  /* A function used to create new elements in the hash table.  The
354
     first entry is itself a pointer to an element.  When this
355
     function is first invoked, this pointer will be NULL.  However,
356
     having the pointer permits a hierarchy of method functions to be
357
     built each of which calls the function in the superclass.  Thus
358
     each function should be written to allocate a new block of memory
359
     only if the argument is NULL.  */
360
  struct bfd_hash_entry *(*newfunc)
361
    (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
362
   /* An objalloc for this hash table.  This is a struct objalloc *,
363
     but we use void * to avoid requiring the inclusion of objalloc.h.  */
364
  void *memory;
365
  /* The number of slots in the hash table.  */
366
  unsigned int size;
367
  /* The number of entries in the hash table.  */
368
  unsigned int count;
369
  /* The size of elements.  */
370
  unsigned int entsize;
371
  /* If non-zero, don't grow the hash table.  */
372
  unsigned int frozen:1;
373
};
374
 
375
/* Initialize a hash table.  */
376
extern bfd_boolean bfd_hash_table_init
377
  (struct bfd_hash_table *,
378
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
379
                               struct bfd_hash_table *,
380
                               const char *),
381
   unsigned int);
382
 
383
/* Initialize a hash table specifying a size.  */
384
extern bfd_boolean bfd_hash_table_init_n
385
  (struct bfd_hash_table *,
386
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
387
                               struct bfd_hash_table *,
388
                               const char *),
389
   unsigned int, unsigned int);
390
 
391
/* Free up a hash table.  */
392
extern void bfd_hash_table_free
393
  (struct bfd_hash_table *);
394
 
395
/* Look up a string in a hash table.  If CREATE is TRUE, a new entry
396
   will be created for this string if one does not already exist.  The
397
   COPY argument must be TRUE if this routine should copy the string
398
   into newly allocated memory when adding an entry.  */
399
extern struct bfd_hash_entry *bfd_hash_lookup
400
  (struct bfd_hash_table *, const char *, bfd_boolean create,
401
   bfd_boolean copy);
402
 
403
/* Insert an entry in a hash table.  */
404
extern struct bfd_hash_entry *bfd_hash_insert
405
  (struct bfd_hash_table *, const char *, unsigned long);
406
 
407
/* Rename an entry in a hash table.  */
408
extern void bfd_hash_rename
409
  (struct bfd_hash_table *, const char *, struct bfd_hash_entry *);
410
 
411
/* Replace an entry in a hash table.  */
412
extern void bfd_hash_replace
413
  (struct bfd_hash_table *, struct bfd_hash_entry *old,
414
   struct bfd_hash_entry *nw);
415
 
416
/* Base method for creating a hash table entry.  */
417
extern struct bfd_hash_entry *bfd_hash_newfunc
418
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
419
 
420
/* Grab some space for a hash table entry.  */
421
extern void *bfd_hash_allocate
422
  (struct bfd_hash_table *, unsigned int);
423
 
424
/* Traverse a hash table in a random order, calling a function on each
425
   element.  If the function returns FALSE, the traversal stops.  The
426
   INFO argument is passed to the function.  */
427
extern void bfd_hash_traverse
428
  (struct bfd_hash_table *,
429
   bfd_boolean (*) (struct bfd_hash_entry *, void *),
430
   void *info);
431
 
432
/* Allows the default size of a hash table to be configured. New hash
433
   tables allocated using bfd_hash_table_init will be created with
434
   this size.  */
435
extern unsigned long bfd_hash_set_default_size (unsigned long);
436
 
437
/* This structure is used to keep track of stabs in sections
438
   information while linking.  */
439
 
440
struct stab_info
441
{
442
  /* A hash table used to hold stabs strings.  */
443
  struct bfd_strtab_hash *strings;
444
  /* The header file hash table.  */
445
  struct bfd_hash_table includes;
446
  /* The first .stabstr section.  */
447
  struct bfd_section *stabstr;
448
};
449
 
450
#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
451
 
452
/* User program access to BFD facilities.  */
453
 
454
/* Direct I/O routines, for programs which know more about the object
455
   file than BFD does.  Use higher level routines if possible.  */
456
 
457
extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
458
extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
459
extern int bfd_seek (bfd *, file_ptr, int);
460
extern file_ptr bfd_tell (bfd *);
461
extern int bfd_flush (bfd *);
462
extern int bfd_stat (bfd *, struct stat *);
463
 
464
/* Deprecated old routines.  */
465
#if __GNUC__
466
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
467
  (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
468
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
469
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
470
  (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
471
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
472
#else
473
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
474
  (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
475
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
476
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
477
  (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
478
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
479
#endif
480
extern void warn_deprecated (const char *, const char *, int, const char *);
481
 
482
/* Cast from const char * to char * so that caller can assign to
483
   a char * without a warning.  */
484
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
485
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
486
#define bfd_get_format(abfd) ((abfd)->format)
487
#define bfd_get_target(abfd) ((abfd)->xvec->name)
488
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
489
#define bfd_family_coff(abfd) \
490
  (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
491
   bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
492
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
493
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
494
#define bfd_header_big_endian(abfd) \
495
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
496
#define bfd_header_little_endian(abfd) \
497
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
498
#define bfd_get_file_flags(abfd) ((abfd)->flags)
499
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
500
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
501
#define bfd_my_archive(abfd) ((abfd)->my_archive)
502
#define bfd_has_map(abfd) ((abfd)->has_armap)
503
#define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
504
 
505
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
506
#define bfd_usrdata(abfd) ((abfd)->usrdata)
507
 
508
#define bfd_get_start_address(abfd) ((abfd)->start_address)
509
#define bfd_get_symcount(abfd) ((abfd)->symcount)
510
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
511
#define bfd_count_sections(abfd) ((abfd)->section_count)
512
 
513
#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
514
 
515
#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
516
 
517
#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
518
 
519
extern bfd_boolean bfd_cache_close
520
  (bfd *abfd);
521
/* NB: This declaration should match the autogenerated one in libbfd.h.  */
522
 
523
extern bfd_boolean bfd_cache_close_all (void);
524
 
525
extern bfd_boolean bfd_record_phdr
526
  (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
527
   bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
528
 
529
/* Byte swapping routines.  */
530
 
531
bfd_uint64_t bfd_getb64 (const void *);
532
bfd_uint64_t bfd_getl64 (const void *);
533
bfd_int64_t bfd_getb_signed_64 (const void *);
534
bfd_int64_t bfd_getl_signed_64 (const void *);
535
bfd_vma bfd_getb32 (const void *);
536
bfd_vma bfd_getl32 (const void *);
537
bfd_signed_vma bfd_getb_signed_32 (const void *);
538
bfd_signed_vma bfd_getl_signed_32 (const void *);
539
bfd_vma bfd_getb16 (const void *);
540
bfd_vma bfd_getl16 (const void *);
541
bfd_signed_vma bfd_getb_signed_16 (const void *);
542
bfd_signed_vma bfd_getl_signed_16 (const void *);
543
void bfd_putb64 (bfd_uint64_t, void *);
544
void bfd_putl64 (bfd_uint64_t, void *);
545
void bfd_putb32 (bfd_vma, void *);
546
void bfd_putl32 (bfd_vma, void *);
547
void bfd_putb16 (bfd_vma, void *);
548
void bfd_putl16 (bfd_vma, void *);
549
 
550
/* Byte swapping routines which take size and endiannes as arguments.  */
551
 
552
bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
553
void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
554
 
555
#if defined(__STDC__) || defined(ALMOST_STDC)
556
struct ecoff_debug_info;
557
struct ecoff_debug_swap;
558
struct ecoff_extr;
559
struct bfd_symbol;
560
struct bfd_link_info;
561
struct bfd_link_hash_entry;
562 161 khays
struct bfd_section_already_linked;
563 14 khays
struct bfd_elf_version_tree;
564
#endif
565 161 khays
 
566
extern bfd_boolean bfd_section_already_linked_table_init (void);
567
extern void bfd_section_already_linked_table_free (void);
568
extern bfd_boolean _bfd_handle_already_linked
569
  (struct bfd_section *, struct bfd_section_already_linked *,
570
   struct bfd_link_info *);
571
 
572
/* Externally visible ECOFF routines.  */
573
 
574 14 khays
extern bfd_vma bfd_ecoff_get_gp_value
575
  (bfd * abfd);
576
extern bfd_boolean bfd_ecoff_set_gp_value
577
  (bfd *abfd, bfd_vma gp_value);
578
extern bfd_boolean bfd_ecoff_set_regmasks
579
  (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
580
   unsigned long *cprmask);
581
extern void *bfd_ecoff_debug_init
582
  (bfd *output_bfd, struct ecoff_debug_info *output_debug,
583
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
584
extern void bfd_ecoff_debug_free
585
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
586
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
587
extern bfd_boolean bfd_ecoff_debug_accumulate
588
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
589
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
590
   struct ecoff_debug_info *input_debug,
591
   const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
592
extern bfd_boolean bfd_ecoff_debug_accumulate_other
593
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
594
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
595
   struct bfd_link_info *);
596
extern bfd_boolean bfd_ecoff_debug_externals
597
  (bfd *abfd, struct ecoff_debug_info *debug,
598
   const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
599
   bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
600
   void (*set_index) (struct bfd_symbol *, bfd_size_type));
601
extern bfd_boolean bfd_ecoff_debug_one_external
602
  (bfd *abfd, struct ecoff_debug_info *debug,
603
   const struct ecoff_debug_swap *swap, const char *name,
604
   struct ecoff_extr *esym);
605
extern bfd_size_type bfd_ecoff_debug_size
606
  (bfd *abfd, struct ecoff_debug_info *debug,
607
   const struct ecoff_debug_swap *swap);
608
extern bfd_boolean bfd_ecoff_write_debug
609
  (bfd *abfd, struct ecoff_debug_info *debug,
610
   const struct ecoff_debug_swap *swap, file_ptr where);
611
extern bfd_boolean bfd_ecoff_write_accumulated_debug
612
  (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
613
   const struct ecoff_debug_swap *swap,
614
   struct bfd_link_info *info, file_ptr where);
615
 
616
/* Externally visible ELF routines.  */
617
 
618
struct bfd_link_needed_list
619
{
620
  struct bfd_link_needed_list *next;
621
  bfd *by;
622
  const char *name;
623
};
624
 
625
enum dynamic_lib_link_class {
626
  DYN_NORMAL = 0,
627
  DYN_AS_NEEDED = 1,
628
  DYN_DT_NEEDED = 2,
629
  DYN_NO_ADD_NEEDED = 4,
630
  DYN_NO_NEEDED = 8
631
};
632
 
633
enum notice_asneeded_action {
634
  notice_as_needed,
635
  notice_not_needed,
636
  notice_needed
637
};
638
 
639
extern bfd_boolean bfd_elf_record_link_assignment
640
  (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
641
   bfd_boolean);
642
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
643
  (bfd *, struct bfd_link_info *);
644
extern bfd_boolean bfd_elf_get_bfd_needed_list
645
  (bfd *, struct bfd_link_needed_list **);
646
extern bfd_boolean bfd_elf_size_dynamic_sections
647
  (bfd *, const char *, const char *, const char *, const char *, const char *,
648
   const char * const *, struct bfd_link_info *, struct bfd_section **,
649
   struct bfd_elf_version_tree *);
650
extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
651
  (bfd *, struct bfd_link_info *);
652
extern void bfd_elf_set_dt_needed_name
653
  (bfd *, const char *);
654
extern const char *bfd_elf_get_dt_soname
655
  (bfd *);
656
extern void bfd_elf_set_dyn_lib_class
657
  (bfd *, enum dynamic_lib_link_class);
658
extern int bfd_elf_get_dyn_lib_class
659
  (bfd *);
660
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
661
  (bfd *, struct bfd_link_info *);
662
extern bfd_boolean bfd_elf_discard_info
663
  (bfd *, struct bfd_link_info *);
664
extern unsigned int _bfd_elf_default_action_discarded
665
  (struct bfd_section *);
666
 
667
/* Return an upper bound on the number of bytes required to store a
668
   copy of ABFD's program header table entries.  Return -1 if an error
669
   occurs; bfd_get_error will return an appropriate code.  */
670
extern long bfd_get_elf_phdr_upper_bound
671
  (bfd *abfd);
672
 
673
/* Copy ABFD's program header table entries to *PHDRS.  The entries
674
   will be stored as an array of Elf_Internal_Phdr structures, as
675
   defined in include/elf/internal.h.  To find out how large the
676
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.
677
 
678
   Return the number of program header table entries read, or -1 if an
679
   error occurs; bfd_get_error will return an appropriate code.  */
680
extern int bfd_get_elf_phdrs
681
  (bfd *abfd, void *phdrs);
682
 
683
/* Create a new BFD as if by bfd_openr.  Rather than opening a file,
684
   reconstruct an ELF file by reading the segments out of remote memory
685
   based on the ELF file header at EHDR_VMA and the ELF program headers it
686
   points to.  If not null, *LOADBASEP is filled in with the difference
687
   between the VMAs from which the segments were read, and the VMAs the
688
   file headers (and hence BFD's idea of each section's VMA) put them at.
689
 
690
   The function TARGET_READ_MEMORY is called to copy LEN bytes from the
691
   remote memory at target address VMA into the local buffer at MYADDR; it
692
   should return zero on success or an `errno' code on failure.  TEMPL must
693
   be a BFD for an ELF target with the word size and byte order found in
694
   the remote memory.  */
695
extern bfd *bfd_elf_bfd_from_remote_memory
696
  (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
697
   int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
698
 
699
/* Return the arch_size field of an elf bfd, or -1 if not elf.  */
700
extern int bfd_get_arch_size
701
  (bfd *);
702
 
703
/* Return TRUE if address "naturally" sign extends, or -1 if not elf.  */
704
extern int bfd_get_sign_extend_vma
705
  (bfd *);
706
 
707
extern struct bfd_section *_bfd_elf_tls_setup
708
  (bfd *, struct bfd_link_info *);
709
 
710
extern void _bfd_fix_excluded_sec_syms
711
  (bfd *, struct bfd_link_info *);
712
 
713
extern unsigned bfd_m68k_mach_to_features (int);
714
 
715
extern int bfd_m68k_features_to_mach (unsigned);
716
 
717
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
718
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
719
   char **);
720
 
721
extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
722
 
723
extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
724
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
725
   char **);
726
 
727
extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
728
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
729
   char **);
730
 
731
/* SunOS shared library support routines for the linker.  */
732
 
733
extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
734
  (bfd *, struct bfd_link_info *);
735
extern bfd_boolean bfd_sunos_record_link_assignment
736
  (bfd *, struct bfd_link_info *, const char *);
737
extern bfd_boolean bfd_sunos_size_dynamic_sections
738
  (bfd *, struct bfd_link_info *, struct bfd_section **,
739
   struct bfd_section **, struct bfd_section **);
740
 
741
/* Linux shared library support routines for the linker.  */
742
 
743
extern bfd_boolean bfd_i386linux_size_dynamic_sections
744
  (bfd *, struct bfd_link_info *);
745
extern bfd_boolean bfd_m68klinux_size_dynamic_sections
746
  (bfd *, struct bfd_link_info *);
747
extern bfd_boolean bfd_sparclinux_size_dynamic_sections
748
  (bfd *, struct bfd_link_info *);
749
 
750
/* mmap hacks */
751
 
752
struct _bfd_window_internal;
753
typedef struct _bfd_window_internal bfd_window_internal;
754
 
755
typedef struct _bfd_window
756
{
757
  /* What the user asked for.  */
758
  void *data;
759
  bfd_size_type size;
760
  /* The actual window used by BFD.  Small user-requested read-only
761
     regions sharing a page may share a single window into the object
762
     file.  Read-write versions shouldn't until I've fixed things to
763
     keep track of which portions have been claimed by the
764
     application; don't want to give the same region back when the
765
     application wants two writable copies!  */
766
  struct _bfd_window_internal *i;
767
}
768
bfd_window;
769
 
770
extern void bfd_init_window
771
  (bfd_window *);
772
extern void bfd_free_window
773
  (bfd_window *);
774
extern bfd_boolean bfd_get_file_window
775
  (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
776
 
777
/* XCOFF support routines for the linker.  */
778
 
779
extern bfd_boolean bfd_xcoff_split_import_path
780
  (bfd *, const char *, const char **, const char **);
781
extern bfd_boolean bfd_xcoff_set_archive_import_path
782
  (struct bfd_link_info *, bfd *, const char *);
783
extern bfd_boolean bfd_xcoff_link_record_set
784
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
785
extern bfd_boolean bfd_xcoff_import_symbol
786
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
787
   const char *, const char *, const char *, unsigned int);
788
extern bfd_boolean bfd_xcoff_export_symbol
789
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
790
extern bfd_boolean bfd_xcoff_link_count_reloc
791
  (bfd *, struct bfd_link_info *, const char *);
792
extern bfd_boolean bfd_xcoff_record_link_assignment
793
  (bfd *, struct bfd_link_info *, const char *);
794
extern bfd_boolean bfd_xcoff_size_dynamic_sections
795
  (bfd *, struct bfd_link_info *, const char *, const char *,
796
   unsigned long, unsigned long, unsigned long, bfd_boolean,
797
   int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
798
extern bfd_boolean bfd_xcoff_link_generate_rtinit
799
  (bfd *, const char *, const char *, bfd_boolean);
800
 
801
/* XCOFF support routines for ar.  */
802
extern bfd_boolean bfd_xcoff_ar_archive_set_magic
803
  (bfd *, char *);
804
 
805
/* Externally visible COFF routines.  */
806
 
807
#if defined(__STDC__) || defined(ALMOST_STDC)
808
struct internal_syment;
809
union internal_auxent;
810
#endif
811
 
812
extern bfd_boolean bfd_coff_get_syment
813
  (bfd *, struct bfd_symbol *, struct internal_syment *);
814
 
815
extern bfd_boolean bfd_coff_get_auxent
816
  (bfd *, struct bfd_symbol *, int, union internal_auxent *);
817
 
818
extern bfd_boolean bfd_coff_set_symbol_class
819
  (bfd *, struct bfd_symbol *, unsigned int);
820
 
821
extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
822
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
823
 
824
/* ARM VFP11 erratum workaround support.  */
825
typedef enum
826
{
827
  BFD_ARM_VFP11_FIX_DEFAULT,
828
  BFD_ARM_VFP11_FIX_NONE,
829
  BFD_ARM_VFP11_FIX_SCALAR,
830
  BFD_ARM_VFP11_FIX_VECTOR
831
} bfd_arm_vfp11_fix;
832
 
833
extern void bfd_elf32_arm_init_maps
834
  (bfd *);
835
 
836
extern void bfd_elf32_arm_set_vfp11_fix
837
  (bfd *, struct bfd_link_info *);
838
 
839
extern void bfd_elf32_arm_set_cortex_a8_fix
840
  (bfd *, struct bfd_link_info *);
841
 
842
extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
843
  (bfd *, struct bfd_link_info *);
844
 
845
extern void bfd_elf32_arm_vfp11_fix_veneer_locations
846
  (bfd *, struct bfd_link_info *);
847
 
848
/* ARM Interworking support.  Called from linker.  */
849
extern bfd_boolean bfd_arm_allocate_interworking_sections
850
  (struct bfd_link_info *);
851
 
852
extern bfd_boolean bfd_arm_process_before_allocation
853
  (bfd *, struct bfd_link_info *, int);
854
 
855
extern bfd_boolean bfd_arm_get_bfd_for_interworking
856
  (bfd *, struct bfd_link_info *);
857
 
858
/* PE ARM Interworking support.  Called from linker.  */
859
extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
860
  (struct bfd_link_info *);
861
 
862
extern bfd_boolean bfd_arm_pe_process_before_allocation
863
  (bfd *, struct bfd_link_info *, int);
864
 
865
extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
866
  (bfd *, struct bfd_link_info *);
867
 
868
/* ELF ARM Interworking support.  Called from linker.  */
869
extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
870
  (struct bfd_link_info *);
871
 
872
extern bfd_boolean bfd_elf32_arm_process_before_allocation
873
  (bfd *, struct bfd_link_info *);
874
 
875
void bfd_elf32_arm_set_target_relocs
876
  (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
877 161 khays
   int, int, int, int, int);
878 14 khays
 
879
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
880
  (bfd *, struct bfd_link_info *);
881
 
882
extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
883
  (bfd *, struct bfd_link_info *);
884
 
885
/* ELF ARM mapping symbol support */
886
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
887
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
888
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
889
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
890
extern bfd_boolean bfd_is_arm_special_symbol_name
891
  (const char * name, int type);
892
 
893
extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int);
894
 
895
/* ARM Note section processing.  */
896
extern bfd_boolean bfd_arm_merge_machines
897
  (bfd *, bfd *);
898
 
899
extern bfd_boolean bfd_arm_update_notes
900
  (bfd *, const char *);
901
 
902
extern unsigned int bfd_arm_get_mach_from_notes
903
  (bfd *, const char *);
904
 
905
/* ARM stub generation support.  Called from the linker.  */
906
extern int elf32_arm_setup_section_lists
907
  (bfd *, struct bfd_link_info *);
908
extern void elf32_arm_next_input_section
909
  (struct bfd_link_info *, struct bfd_section *);
910
extern bfd_boolean elf32_arm_size_stubs
911
  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
912
   struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
913
extern bfd_boolean elf32_arm_build_stubs
914
  (struct bfd_link_info *);
915
 
916
/* ARM unwind section editing support.  */
917
extern bfd_boolean elf32_arm_fix_exidx_coverage
918
(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
919
 
920
/* C6x unwind section editing support.  */
921
extern bfd_boolean elf32_tic6x_fix_exidx_coverage
922
(struct bfd_section **, unsigned int, struct bfd_link_info *, bfd_boolean);
923
 
924
/* PowerPC @tls opcode transform/validate.  */
925
extern unsigned int _bfd_elf_ppc_at_tls_transform
926
  (unsigned int, unsigned int);
927
/* PowerPC @tprel opcode transform/validate.  */
928
extern unsigned int _bfd_elf_ppc_at_tprel_transform
929
  (unsigned int, unsigned int);
930
 
931
/* TI COFF load page support.  */
932
extern void bfd_ticoff_set_section_load_page
933
  (struct bfd_section *, int);
934
 
935
extern int bfd_ticoff_get_section_load_page
936
  (struct bfd_section *);
937
 
938
/* H8/300 functions.  */
939
extern bfd_vma bfd_h8300_pad_address
940
  (bfd *, bfd_vma);
941
 
942
/* IA64 Itanium code generation.  Called from linker.  */
943
extern void bfd_elf32_ia64_after_parse
944
  (int);
945
 
946
extern void bfd_elf64_ia64_after_parse
947
  (int);
948
 
949
/* This structure is used for a comdat section, as in PE.  A comdat
950
   section is associated with a particular symbol.  When the linker
951
   sees a comdat section, it keeps only one of the sections with a
952
   given name and associated with a given symbol.  */
953
 
954
struct coff_comdat_info
955
{
956
  /* The name of the symbol associated with a comdat section.  */
957
  const char *name;
958
 
959
  /* The local symbol table index of the symbol associated with a
960
     comdat section.  This is only meaningful to the object file format
961
     specific code; it is not an index into the list returned by
962
     bfd_canonicalize_symtab.  */
963
  long symbol;
964
};
965
 
966
extern struct coff_comdat_info *bfd_coff_get_comdat_section
967
  (bfd *, struct bfd_section *);
968
 

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