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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [bfd/] [bfd-in.h] - Blame information for rev 199

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1 24 jeremybenn
/* Main header file for the bfd library -- portable access to object files.
2
 
3
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
4
   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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
/* The word size used by BFD on the host.  This may be 64 with a 32
70
   bit target if the host is 64 bit, or if other 64 bit targets have
71
   been selected with --enable-targets, or if --enable-64-bit-bfd.  */
72
#define BFD_ARCH_SIZE @wordsize@
73
 
74
/* The word size of the default bfd target.  */
75
#define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
76
 
77
#define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
78
#define BFD_HOST_64BIT_LONG_LONG @BFD_HOST_64BIT_LONG_LONG@
79
#if @BFD_HOST_64_BIT_DEFINED@
80
#define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
81
#define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
82
typedef BFD_HOST_64_BIT bfd_int64_t;
83
typedef BFD_HOST_U_64_BIT bfd_uint64_t;
84
#endif
85
 
86
#if BFD_ARCH_SIZE >= 64
87
#define BFD64
88
#endif
89
 
90
#ifndef INLINE
91
#if __GNUC__ >= 2
92
#define INLINE __inline__
93
#else
94
#define INLINE
95
#endif
96
#endif
97
 
98
/* Declaring a type wide enough to hold a host long and a host pointer.  */
99
#define BFD_HOSTPTR_T   @BFD_HOSTPTR_T@
100
typedef BFD_HOSTPTR_T bfd_hostptr_t;
101
 
102
/* Forward declaration.  */
103
typedef struct bfd bfd;
104
 
105
/* Boolean type used in bfd.  Too many systems define their own
106
   versions of "boolean" for us to safely typedef a "boolean" of
107
   our own.  Using an enum for "bfd_boolean" has its own set of
108
   problems, with strange looking casts required to avoid warnings
109
   on some older compilers.  Thus we just use an int.
110
 
111
   General rule: Functions which are bfd_boolean return TRUE on
112
   success and FALSE on failure (unless they're a predicate).  */
113
 
114
typedef int bfd_boolean;
115
#undef FALSE
116
#undef TRUE
117
#define FALSE 0
118
#define TRUE 1
119
 
120
#ifdef BFD64
121
 
122
#ifndef BFD_HOST_64_BIT
123
 #error No 64 bit integer type available
124
#endif /* ! defined (BFD_HOST_64_BIT) */
125
 
126
typedef BFD_HOST_U_64_BIT bfd_vma;
127
typedef BFD_HOST_64_BIT bfd_signed_vma;
128
typedef BFD_HOST_U_64_BIT bfd_size_type;
129
typedef BFD_HOST_U_64_BIT symvalue;
130
 
131
#ifndef fprintf_vma
132
#if BFD_HOST_64BIT_LONG
133
#define sprintf_vma(s,x) sprintf (s, "%016lx", x)
134
#define fprintf_vma(f,x) fprintf (f, "%016lx", x)
135
#elif BFD_HOST_64BIT_LONG_LONG
136
#ifndef __MSVCRT__
137
#define sprintf_vma(s,x) sprintf (s, "%016llx", x)
138
#define fprintf_vma(f,x) fprintf (f, "%016llx", x)
139
#else
140
#define sprintf_vma(s,x) sprintf (s, "%016I64x", x)
141
#define fprintf_vma(f,x) fprintf (f, "%016I64x", x)
142
#endif
143
#else
144
#define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
145
#define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
146
#define fprintf_vma(s,x) \
147
  fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
148
#define sprintf_vma(s,x) \
149
  sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
150
#endif
151
#endif
152
 
153
#else /* not BFD64  */
154
 
155
/* Represent a target address.  Also used as a generic unsigned type
156
   which is guaranteed to be big enough to hold any arithmetic types
157
   we need to deal with.  */
158
typedef unsigned long bfd_vma;
159
 
160
/* A generic signed type which is guaranteed to be big enough to hold any
161
   arithmetic types we need to deal with.  Can be assumed to be compatible
162
   with bfd_vma in the same way that signed and unsigned ints are compatible
163
   (as parameters, in assignment, etc).  */
164
typedef long bfd_signed_vma;
165
 
166
typedef unsigned long symvalue;
167
typedef unsigned long bfd_size_type;
168
 
169
/* Print a bfd_vma x on stream s.  */
170
#define fprintf_vma(s,x) fprintf (s, "%08lx", x)
171
#define sprintf_vma(s,x) sprintf (s, "%08lx", x)
172
 
173
#endif /* not BFD64  */
174
 
175
#define HALF_BFD_SIZE_TYPE \
176
  (((bfd_size_type) 1) << (8 * sizeof (bfd_size_type) / 2))
177
 
178
#ifndef BFD_HOST_64_BIT
179
/* Fall back on a 32 bit type.  The idea is to make these types always
180
   available for function return types, but in the case that
181
   BFD_HOST_64_BIT is undefined such a function should abort or
182
   otherwise signal an error.  */
183
typedef bfd_signed_vma bfd_int64_t;
184
typedef bfd_vma bfd_uint64_t;
185
#endif
186
 
187
/* An offset into a file.  BFD always uses the largest possible offset
188
   based on the build time availability of fseek, fseeko, or fseeko64.  */
189
typedef @bfd_file_ptr@ file_ptr;
190
typedef unsigned @bfd_file_ptr@ ufile_ptr;
191
 
192
extern void bfd_sprintf_vma (bfd *, char *, bfd_vma);
193
extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
194
 
195
#define printf_vma(x) fprintf_vma(stdout,x)
196
#define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
197
 
198
typedef unsigned int flagword;  /* 32 bits of flags */
199
typedef unsigned char bfd_byte;
200
 
201
/* File formats.  */
202
 
203
typedef enum bfd_format
204
{
205
  bfd_unknown = 0,       /* File format is unknown.  */
206
  bfd_object,           /* Linker/assembler/compiler output.  */
207
  bfd_archive,          /* Object archive file.  */
208
  bfd_core,             /* Core dump.  */
209
  bfd_type_end          /* Marks the end; don't use it!  */
210
}
211
bfd_format;
212
 
213
/* Values that may appear in the flags field of a BFD.  These also
214
   appear in the object_flags field of the bfd_target structure, where
215
   they indicate the set of flags used by that backend (not all flags
216
   are meaningful for all object file formats) (FIXME: at the moment,
217
   the object_flags values have mostly just been copied from backend
218
   to another, and are not necessarily correct).  */
219
 
220
/* No flags.  */
221
#define BFD_NO_FLAGS    0x00
222
 
223
/* BFD contains relocation entries.  */
224
#define HAS_RELOC       0x01
225
 
226
/* BFD is directly executable.  */
227
#define EXEC_P          0x02
228
 
229
/* BFD has line number information (basically used for F_LNNO in a
230
   COFF header).  */
231
#define HAS_LINENO      0x04
232
 
233
/* BFD has debugging information.  */
234
#define HAS_DEBUG       0x08
235
 
236
/* BFD has symbols.  */
237
#define HAS_SYMS        0x10
238
 
239
/* BFD has local symbols (basically used for F_LSYMS in a COFF
240
   header).  */
241
#define HAS_LOCALS      0x20
242
 
243
/* BFD is a dynamic object.  */
244
#define DYNAMIC         0x40
245
 
246
/* Text section is write protected (if D_PAGED is not set, this is
247
   like an a.out NMAGIC file) (the linker sets this by default, but
248
   clears it for -r or -N).  */
249
#define WP_TEXT         0x80
250
 
251
/* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
252
   linker sets this by default, but clears it for -r or -n or -N).  */
253
#define D_PAGED         0x100
254
 
255
/* BFD is relaxable (this means that bfd_relax_section may be able to
256
   do something) (sometimes bfd_relax_section can do something even if
257
   this is not set).  */
258
#define BFD_IS_RELAXABLE 0x200
259
 
260
/* This may be set before writing out a BFD to request using a
261
   traditional format.  For example, this is used to request that when
262
   writing out an a.out object the symbols not be hashed to eliminate
263
   duplicates.  */
264
#define BFD_TRADITIONAL_FORMAT 0x400
265
 
266
/* This flag indicates that the BFD contents are actually cached in
267
   memory.  If this is set, iostream points to a bfd_in_memory struct.  */
268
#define BFD_IN_MEMORY 0x800
269
 
270
/* The sections in this BFD specify a memory page.  */
271
#define HAS_LOAD_PAGE 0x1000
272
 
273
/* This BFD has been created by the linker and doesn't correspond
274
   to any input file.  */
275
#define BFD_LINKER_CREATED 0x2000
276
 
277
/* Symbols and relocation.  */
278
 
279
/* A count of carsyms (canonical archive symbols).  */
280
typedef unsigned long symindex;
281
 
282
/* How to perform a relocation.  */
283
typedef const struct reloc_howto_struct reloc_howto_type;
284
 
285
#define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
286
 
287
/* General purpose part of a symbol X;
288
   target specific parts are in libcoff.h, libaout.h, etc.  */
289
 
290
#define bfd_get_section(x) ((x)->section)
291
#define bfd_get_output_section(x) ((x)->section->output_section)
292
#define bfd_set_section(x,y) ((x)->section) = (y)
293
#define bfd_asymbol_base(x) ((x)->section->vma)
294
#define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
295
#define bfd_asymbol_name(x) ((x)->name)
296
/*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
297
#define bfd_asymbol_bfd(x) ((x)->the_bfd)
298
#define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
299
 
300
/* A canonical archive symbol.  */
301
/* This is a type pun with struct ranlib on purpose!  */
302
typedef struct carsym
303
{
304
  char *name;
305
  file_ptr file_offset; /* Look here to find the file.  */
306
}
307
carsym;                 /* To make these you call a carsymogen.  */
308
 
309
/* Used in generating armaps (archive tables of contents).
310
   Perhaps just a forward definition would do?  */
311
struct orl                      /* Output ranlib.  */
312
{
313
  char **name;          /* Symbol name.  */
314
  union
315
  {
316
    file_ptr pos;
317
    bfd *abfd;
318
  } u;                  /* bfd* or file position.  */
319
  int namidx;           /* Index into string table.  */
320
};
321
 
322
/* Linenumber stuff.  */
323
typedef struct lineno_cache_entry
324
{
325
  unsigned int line_number;     /* Linenumber from start of function.  */
326
  union
327
  {
328
    struct bfd_symbol *sym;     /* Function name.  */
329
    bfd_vma offset;                     /* Offset into section.  */
330
  } u;
331
}
332
alent;
333
 
334
/* Object and core file sections.  */
335
 
336
#define align_power(addr, align)        \
337
  (((addr) + ((bfd_vma) 1 << (align)) - 1) & ((bfd_vma) -1 << (align)))
338
 
339
typedef struct bfd_section *sec_ptr;
340
 
341
#define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
342
#define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
343
#define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
344
#define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
345
#define bfd_section_name(bfd, ptr) ((ptr)->name)
346
#define bfd_section_size(bfd, ptr) ((ptr)->size)
347
#define bfd_get_section_size(ptr) ((ptr)->size)
348
#define bfd_section_vma(bfd, ptr) ((ptr)->vma)
349
#define bfd_section_lma(bfd, ptr) ((ptr)->lma)
350
#define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
351
#define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
352
#define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
353
 
354
#define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
355
 
356
#define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE)
357
#define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE)
358
#define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE)
359
/* Find the address one past the end of SEC.  */
360
#define bfd_get_section_limit(bfd, sec) \
361
  (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \
362
   / bfd_octets_per_byte (bfd))
363
 
364
/* Return TRUE if section has been discarded.  */
365
#define elf_discarded_section(sec)                              \
366
  (!bfd_is_abs_section (sec)                                    \
367
   && bfd_is_abs_section ((sec)->output_section)                \
368
   && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE               \
369
   && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS)
370
 
371
/* Forward define.  */
372
struct stat;
373
 
374
typedef enum bfd_print_symbol
375
{
376
  bfd_print_symbol_name,
377
  bfd_print_symbol_more,
378
  bfd_print_symbol_all
379
} bfd_print_symbol_type;
380
 
381
/* Information about a symbol that nm needs.  */
382
 
383
typedef struct _symbol_info
384
{
385
  symvalue value;
386
  char type;
387
  const char *name;            /* Symbol name.  */
388
  unsigned char stab_type;     /* Stab type.  */
389
  char stab_other;             /* Stab other.  */
390
  short stab_desc;             /* Stab desc.  */
391
  const char *stab_name;       /* String for stab type.  */
392
} symbol_info;
393
 
394
/* Get the name of a stabs type code.  */
395
 
396
extern const char *bfd_get_stab_name (int);
397
 
398
/* Hash table routines.  There is no way to free up a hash table.  */
399
 
400
/* An element in the hash table.  Most uses will actually use a larger
401
   structure, and an instance of this will be the first field.  */
402
 
403
struct bfd_hash_entry
404
{
405
  /* Next entry for this hash code.  */
406
  struct bfd_hash_entry *next;
407
  /* String being hashed.  */
408
  const char *string;
409
  /* Hash code.  This is the full hash code, not the index into the
410
     table.  */
411
  unsigned long hash;
412
};
413
 
414
/* A hash table.  */
415
 
416
struct bfd_hash_table
417
{
418
  /* The hash array.  */
419
  struct bfd_hash_entry **table;
420
  /* A function used to create new elements in the hash table.  The
421
     first entry is itself a pointer to an element.  When this
422
     function is first invoked, this pointer will be NULL.  However,
423
     having the pointer permits a hierarchy of method functions to be
424
     built each of which calls the function in the superclass.  Thus
425
     each function should be written to allocate a new block of memory
426
     only if the argument is NULL.  */
427
  struct bfd_hash_entry *(*newfunc)
428
    (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
429
   /* An objalloc for this hash table.  This is a struct objalloc *,
430
     but we use void * to avoid requiring the inclusion of objalloc.h.  */
431
  void *memory;
432
  /* The number of slots in the hash table.  */
433
  unsigned int size;
434
  /* The number of entries in the hash table.  */
435
  unsigned int count;
436
  /* The size of elements.  */
437
  unsigned int entsize;
438
  /* If non-zero, don't grow the hash table.  */
439
  unsigned int frozen:1;
440
};
441
 
442
/* Initialize a hash table.  */
443
extern bfd_boolean bfd_hash_table_init
444
  (struct bfd_hash_table *,
445
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
446
                               struct bfd_hash_table *,
447
                               const char *),
448
   unsigned int);
449
 
450
/* Initialize a hash table specifying a size.  */
451
extern bfd_boolean bfd_hash_table_init_n
452
  (struct bfd_hash_table *,
453
   struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
454
                               struct bfd_hash_table *,
455
                               const char *),
456
   unsigned int, unsigned int);
457
 
458
/* Free up a hash table.  */
459
extern void bfd_hash_table_free
460
  (struct bfd_hash_table *);
461
 
462
/* Look up a string in a hash table.  If CREATE is TRUE, a new entry
463
   will be created for this string if one does not already exist.  The
464
   COPY argument must be TRUE if this routine should copy the string
465
   into newly allocated memory when adding an entry.  */
466
extern struct bfd_hash_entry *bfd_hash_lookup
467
  (struct bfd_hash_table *, const char *, bfd_boolean create,
468
   bfd_boolean copy);
469
 
470
/* Insert an entry in a hash table.  */
471
extern struct bfd_hash_entry *bfd_hash_insert
472
  (struct bfd_hash_table *, const char *, unsigned long);
473
 
474
/* Replace an entry in a hash table.  */
475
extern void bfd_hash_replace
476
  (struct bfd_hash_table *, struct bfd_hash_entry *old,
477
   struct bfd_hash_entry *nw);
478
 
479
/* Base method for creating a hash table entry.  */
480
extern struct bfd_hash_entry *bfd_hash_newfunc
481
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
482
 
483
/* Grab some space for a hash table entry.  */
484
extern void *bfd_hash_allocate
485
  (struct bfd_hash_table *, unsigned int);
486
 
487
/* Traverse a hash table in a random order, calling a function on each
488
   element.  If the function returns FALSE, the traversal stops.  The
489
   INFO argument is passed to the function.  */
490
extern void bfd_hash_traverse
491
  (struct bfd_hash_table *,
492
   bfd_boolean (*) (struct bfd_hash_entry *, void *),
493
   void *info);
494
 
495
/* Allows the default size of a hash table to be configured. New hash
496
   tables allocated using bfd_hash_table_init will be created with
497
   this size.  */
498
extern void bfd_hash_set_default_size (bfd_size_type);
499
 
500
/* This structure is used to keep track of stabs in sections
501
   information while linking.  */
502
 
503
struct stab_info
504
{
505
  /* A hash table used to hold stabs strings.  */
506
  struct bfd_strtab_hash *strings;
507
  /* The header file hash table.  */
508
  struct bfd_hash_table includes;
509
  /* The first .stabstr section.  */
510
  struct bfd_section *stabstr;
511
};
512
 
513
#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
514
 
515
/* User program access to BFD facilities.  */
516
 
517
/* Direct I/O routines, for programs which know more about the object
518
   file than BFD does.  Use higher level routines if possible.  */
519
 
520
extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
521
extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
522
extern int bfd_seek (bfd *, file_ptr, int);
523
extern file_ptr bfd_tell (bfd *);
524
extern int bfd_flush (bfd *);
525
extern int bfd_stat (bfd *, struct stat *);
526
 
527
/* Deprecated old routines.  */
528
#if __GNUC__
529
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
530
  (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
531
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
532
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
533
  (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
534
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
535
#else
536
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
537
  (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
538
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
539
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
540
  (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
541
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
542
#endif
543
extern void warn_deprecated (const char *, const char *, int, const char *);
544
 
545
/* Cast from const char * to char * so that caller can assign to
546
   a char * without a warning.  */
547
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
548
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
549
#define bfd_get_format(abfd) ((abfd)->format)
550
#define bfd_get_target(abfd) ((abfd)->xvec->name)
551
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
552
#define bfd_family_coff(abfd) \
553
  (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
554
   bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
555
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
556
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
557
#define bfd_header_big_endian(abfd) \
558
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
559
#define bfd_header_little_endian(abfd) \
560
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
561
#define bfd_get_file_flags(abfd) ((abfd)->flags)
562
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
563
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
564
#define bfd_my_archive(abfd) ((abfd)->my_archive)
565
#define bfd_has_map(abfd) ((abfd)->has_armap)
566
 
567
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
568
#define bfd_usrdata(abfd) ((abfd)->usrdata)
569
 
570
#define bfd_get_start_address(abfd) ((abfd)->start_address)
571
#define bfd_get_symcount(abfd) ((abfd)->symcount)
572
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
573
#define bfd_count_sections(abfd) ((abfd)->section_count)
574
 
575
#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
576
 
577
#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
578
 
579
#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
580
 
581
extern bfd_boolean bfd_cache_close
582
  (bfd *abfd);
583
/* NB: This declaration should match the autogenerated one in libbfd.h.  */
584
 
585
extern bfd_boolean bfd_cache_close_all (void);
586
 
587
extern bfd_boolean bfd_record_phdr
588
  (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
589
   bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
590
 
591
/* Byte swapping routines.  */
592
 
593
bfd_uint64_t bfd_getb64 (const void *);
594
bfd_uint64_t bfd_getl64 (const void *);
595
bfd_int64_t bfd_getb_signed_64 (const void *);
596
bfd_int64_t bfd_getl_signed_64 (const void *);
597
bfd_vma bfd_getb32 (const void *);
598
bfd_vma bfd_getl32 (const void *);
599
bfd_signed_vma bfd_getb_signed_32 (const void *);
600
bfd_signed_vma bfd_getl_signed_32 (const void *);
601
bfd_vma bfd_getb16 (const void *);
602
bfd_vma bfd_getl16 (const void *);
603
bfd_signed_vma bfd_getb_signed_16 (const void *);
604
bfd_signed_vma bfd_getl_signed_16 (const void *);
605
void bfd_putb64 (bfd_uint64_t, void *);
606
void bfd_putl64 (bfd_uint64_t, void *);
607
void bfd_putb32 (bfd_vma, void *);
608
void bfd_putl32 (bfd_vma, void *);
609
void bfd_putb16 (bfd_vma, void *);
610
void bfd_putl16 (bfd_vma, void *);
611
 
612
/* Byte swapping routines which take size and endiannes as arguments.  */
613
 
614
bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
615
void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
616
 
617
extern bfd_boolean bfd_section_already_linked_table_init (void);
618
extern void bfd_section_already_linked_table_free (void);
619
 
620
/* Externally visible ECOFF routines.  */
621
 
622
#if defined(__STDC__) || defined(ALMOST_STDC)
623
struct ecoff_debug_info;
624
struct ecoff_debug_swap;
625
struct ecoff_extr;
626
struct bfd_symbol;
627
struct bfd_link_info;
628
struct bfd_link_hash_entry;
629
struct bfd_elf_version_tree;
630
#endif
631
extern bfd_vma bfd_ecoff_get_gp_value
632
  (bfd * abfd);
633
extern bfd_boolean bfd_ecoff_set_gp_value
634
  (bfd *abfd, bfd_vma gp_value);
635
extern bfd_boolean bfd_ecoff_set_regmasks
636
  (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
637
   unsigned long *cprmask);
638
extern void *bfd_ecoff_debug_init
639
  (bfd *output_bfd, struct ecoff_debug_info *output_debug,
640
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
641
extern void bfd_ecoff_debug_free
642
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
643
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
644
extern bfd_boolean bfd_ecoff_debug_accumulate
645
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
646
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
647
   struct ecoff_debug_info *input_debug,
648
   const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
649
extern bfd_boolean bfd_ecoff_debug_accumulate_other
650
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
651
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
652
   struct bfd_link_info *);
653
extern bfd_boolean bfd_ecoff_debug_externals
654
  (bfd *abfd, struct ecoff_debug_info *debug,
655
   const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
656
   bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
657
   void (*set_index) (struct bfd_symbol *, bfd_size_type));
658
extern bfd_boolean bfd_ecoff_debug_one_external
659
  (bfd *abfd, struct ecoff_debug_info *debug,
660
   const struct ecoff_debug_swap *swap, const char *name,
661
   struct ecoff_extr *esym);
662
extern bfd_size_type bfd_ecoff_debug_size
663
  (bfd *abfd, struct ecoff_debug_info *debug,
664
   const struct ecoff_debug_swap *swap);
665
extern bfd_boolean bfd_ecoff_write_debug
666
  (bfd *abfd, struct ecoff_debug_info *debug,
667
   const struct ecoff_debug_swap *swap, file_ptr where);
668
extern bfd_boolean bfd_ecoff_write_accumulated_debug
669
  (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
670
   const struct ecoff_debug_swap *swap,
671
   struct bfd_link_info *info, file_ptr where);
672
 
673
/* Externally visible ELF routines.  */
674
 
675
struct bfd_link_needed_list
676
{
677
  struct bfd_link_needed_list *next;
678
  bfd *by;
679
  const char *name;
680
};
681
 
682
enum dynamic_lib_link_class {
683
  DYN_NORMAL = 0,
684
  DYN_AS_NEEDED = 1,
685
  DYN_DT_NEEDED = 2,
686
  DYN_NO_ADD_NEEDED = 4,
687
  DYN_NO_NEEDED = 8
688
};
689
 
690
enum notice_asneeded_action {
691
  notice_as_needed,
692
  notice_not_needed,
693
  notice_needed
694
};
695
 
696
extern bfd_boolean bfd_elf_record_link_assignment
697
  (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
698
   bfd_boolean);
699
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
700
  (bfd *, struct bfd_link_info *);
701
extern bfd_boolean bfd_elf_get_bfd_needed_list
702
  (bfd *, struct bfd_link_needed_list **);
703
extern bfd_boolean bfd_elf_size_dynamic_sections
704
  (bfd *, const char *, const char *, const char *, const char * const *,
705
   struct bfd_link_info *, struct bfd_section **,
706
   struct bfd_elf_version_tree *);
707
extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
708
  (bfd *, struct bfd_link_info *);
709
extern void bfd_elf_set_dt_needed_name
710
  (bfd *, const char *);
711
extern const char *bfd_elf_get_dt_soname
712
  (bfd *);
713
extern void bfd_elf_set_dyn_lib_class
714
  (bfd *, enum dynamic_lib_link_class);
715
extern int bfd_elf_get_dyn_lib_class
716
  (bfd *);
717
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
718
  (bfd *, struct bfd_link_info *);
719
extern bfd_boolean bfd_elf_discard_info
720
  (bfd *, struct bfd_link_info *);
721
extern unsigned int _bfd_elf_default_action_discarded
722
  (struct bfd_section *);
723
 
724
/* Return an upper bound on the number of bytes required to store a
725
   copy of ABFD's program header table entries.  Return -1 if an error
726
   occurs; bfd_get_error will return an appropriate code.  */
727
extern long bfd_get_elf_phdr_upper_bound
728
  (bfd *abfd);
729
 
730
/* Copy ABFD's program header table entries to *PHDRS.  The entries
731
   will be stored as an array of Elf_Internal_Phdr structures, as
732
   defined in include/elf/internal.h.  To find out how large the
733
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.
734
 
735
   Return the number of program header table entries read, or -1 if an
736
   error occurs; bfd_get_error will return an appropriate code.  */
737
extern int bfd_get_elf_phdrs
738
  (bfd *abfd, void *phdrs);
739
 
740
/* Create a new BFD as if by bfd_openr.  Rather than opening a file,
741
   reconstruct an ELF file by reading the segments out of remote memory
742
   based on the ELF file header at EHDR_VMA and the ELF program headers it
743
   points to.  If not null, *LOADBASEP is filled in with the difference
744
   between the VMAs from which the segments were read, and the VMAs the
745
   file headers (and hence BFD's idea of each section's VMA) put them at.
746
 
747
   The function TARGET_READ_MEMORY is called to copy LEN bytes from the
748
   remote memory at target address VMA into the local buffer at MYADDR; it
749
   should return zero on success or an `errno' code on failure.  TEMPL must
750
   be a BFD for an ELF target with the word size and byte order found in
751
   the remote memory.  */
752
extern bfd *bfd_elf_bfd_from_remote_memory
753
  (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
754
   int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
755
 
756
/* Return the arch_size field of an elf bfd, or -1 if not elf.  */
757
extern int bfd_get_arch_size
758
  (bfd *);
759
 
760
/* Return TRUE if address "naturally" sign extends, or -1 if not elf.  */
761
extern int bfd_get_sign_extend_vma
762
  (bfd *);
763
 
764
extern struct bfd_section *_bfd_elf_tls_setup
765
  (bfd *, struct bfd_link_info *);
766
 
767
extern void _bfd_fix_excluded_sec_syms
768
  (bfd *, struct bfd_link_info *);
769
 
770
extern unsigned bfd_m68k_mach_to_features (int);
771
 
772
extern int bfd_m68k_features_to_mach (unsigned);
773
 
774
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
775
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
776
   char **);
777
 
778
extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
779
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
780
   char **);
781
 
782
/* SunOS shared library support routines for the linker.  */
783
 
784
extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
785
  (bfd *, struct bfd_link_info *);
786
extern bfd_boolean bfd_sunos_record_link_assignment
787
  (bfd *, struct bfd_link_info *, const char *);
788
extern bfd_boolean bfd_sunos_size_dynamic_sections
789
  (bfd *, struct bfd_link_info *, struct bfd_section **,
790
   struct bfd_section **, struct bfd_section **);
791
 
792
/* Linux shared library support routines for the linker.  */
793
 
794
extern bfd_boolean bfd_i386linux_size_dynamic_sections
795
  (bfd *, struct bfd_link_info *);
796
extern bfd_boolean bfd_m68klinux_size_dynamic_sections
797
  (bfd *, struct bfd_link_info *);
798
extern bfd_boolean bfd_sparclinux_size_dynamic_sections
799
  (bfd *, struct bfd_link_info *);
800
 
801
/* mmap hacks */
802
 
803
struct _bfd_window_internal;
804
typedef struct _bfd_window_internal bfd_window_internal;
805
 
806
typedef struct _bfd_window
807
{
808
  /* What the user asked for.  */
809
  void *data;
810
  bfd_size_type size;
811
  /* The actual window used by BFD.  Small user-requested read-only
812
     regions sharing a page may share a single window into the object
813
     file.  Read-write versions shouldn't until I've fixed things to
814
     keep track of which portions have been claimed by the
815
     application; don't want to give the same region back when the
816
     application wants two writable copies!  */
817
  struct _bfd_window_internal *i;
818
}
819
bfd_window;
820
 
821
extern void bfd_init_window
822
  (bfd_window *);
823
extern void bfd_free_window
824
  (bfd_window *);
825
extern bfd_boolean bfd_get_file_window
826
  (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
827
 
828
/* XCOFF support routines for the linker.  */
829
 
830
extern bfd_boolean bfd_xcoff_link_record_set
831
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
832
extern bfd_boolean bfd_xcoff_import_symbol
833
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
834
   const char *, const char *, const char *, unsigned int);
835
extern bfd_boolean bfd_xcoff_export_symbol
836
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
837
extern bfd_boolean bfd_xcoff_link_count_reloc
838
  (bfd *, struct bfd_link_info *, const char *);
839
extern bfd_boolean bfd_xcoff_record_link_assignment
840
  (bfd *, struct bfd_link_info *, const char *);
841
extern bfd_boolean bfd_xcoff_size_dynamic_sections
842
  (bfd *, struct bfd_link_info *, const char *, const char *,
843
   unsigned long, unsigned long, unsigned long, bfd_boolean,
844
   int, bfd_boolean, bfd_boolean, struct bfd_section **, bfd_boolean);
845
extern bfd_boolean bfd_xcoff_link_generate_rtinit
846
  (bfd *, const char *, const char *, bfd_boolean);
847
 
848
/* XCOFF support routines for ar.  */
849
extern bfd_boolean bfd_xcoff_ar_archive_set_magic
850
  (bfd *, char *);
851
 
852
/* Externally visible COFF routines.  */
853
 
854
#if defined(__STDC__) || defined(ALMOST_STDC)
855
struct internal_syment;
856
union internal_auxent;
857
#endif
858
 
859
extern bfd_boolean bfd_coff_get_syment
860
  (bfd *, struct bfd_symbol *, struct internal_syment *);
861
 
862
extern bfd_boolean bfd_coff_get_auxent
863
  (bfd *, struct bfd_symbol *, int, union internal_auxent *);
864
 
865
extern bfd_boolean bfd_coff_set_symbol_class
866
  (bfd *, struct bfd_symbol *, unsigned int);
867
 
868
extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
869
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
870
 
871
/* ARM VFP11 erratum workaround support.  */
872
typedef enum
873
{
874
  BFD_ARM_VFP11_FIX_DEFAULT,
875
  BFD_ARM_VFP11_FIX_NONE,
876
  BFD_ARM_VFP11_FIX_SCALAR,
877
  BFD_ARM_VFP11_FIX_VECTOR
878
} bfd_arm_vfp11_fix;
879
 
880
extern void bfd_elf32_arm_init_maps
881
  (bfd *);
882
 
883
extern void bfd_elf32_arm_set_vfp11_fix
884
  (bfd *, struct bfd_link_info *);
885
 
886
extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
887
  (bfd *, struct bfd_link_info *);
888
 
889
extern void bfd_elf32_arm_vfp11_fix_veneer_locations
890
  (bfd *, struct bfd_link_info *);
891
 
892
/* ARM Interworking support.  Called from linker.  */
893
extern bfd_boolean bfd_arm_allocate_interworking_sections
894
  (struct bfd_link_info *);
895
 
896
extern bfd_boolean bfd_arm_process_before_allocation
897
  (bfd *, struct bfd_link_info *, int);
898
 
899
extern bfd_boolean bfd_arm_get_bfd_for_interworking
900
  (bfd *, struct bfd_link_info *);
901
 
902
/* PE ARM Interworking support.  Called from linker.  */
903
extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
904
  (struct bfd_link_info *);
905
 
906
extern bfd_boolean bfd_arm_pe_process_before_allocation
907
  (bfd *, struct bfd_link_info *, int);
908
 
909
extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
910
  (bfd *, struct bfd_link_info *);
911
 
912
/* ELF ARM Interworking support.  Called from linker.  */
913
extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
914
  (struct bfd_link_info *);
915
 
916
extern bfd_boolean bfd_elf32_arm_process_before_allocation
917
  (bfd *, struct bfd_link_info *);
918
 
919
void bfd_elf32_arm_set_target_relocs
920
  (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
921
   int, int);
922
 
923
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
924
  (bfd *, struct bfd_link_info *);
925
 
926
extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
927
  (bfd *, struct bfd_link_info *);
928
 
929
/* ELF ARM mapping symbol support */
930
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
931
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
932
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
933
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
934
extern bfd_boolean bfd_is_arm_special_symbol_name
935
  (const char * name, int type);
936
 
937
extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int);
938
 
939
/* ARM Note section processing.  */
940
extern bfd_boolean bfd_arm_merge_machines
941
  (bfd *, bfd *);
942
 
943
extern bfd_boolean bfd_arm_update_notes
944
  (bfd *, const char *);
945
 
946
extern unsigned int bfd_arm_get_mach_from_notes
947
  (bfd *, const char *);
948
 
949
/* TI COFF load page support.  */
950
extern void bfd_ticoff_set_section_load_page
951
  (struct bfd_section *, int);
952
 
953
extern int bfd_ticoff_get_section_load_page
954
  (struct bfd_section *);
955
 
956
/* H8/300 functions.  */
957
extern bfd_vma bfd_h8300_pad_address
958
  (bfd *, bfd_vma);
959
 
960
/* IA64 Itanium code generation.  Called from linker.  */
961
extern void bfd_elf32_ia64_after_parse
962
  (int);
963
 
964
extern void bfd_elf64_ia64_after_parse
965
  (int);
966
 
967
/* This structure is used for a comdat section, as in PE.  A comdat
968
   section is associated with a particular symbol.  When the linker
969
   sees a comdat section, it keeps only one of the sections with a
970
   given name and associated with a given symbol.  */
971
 
972
struct coff_comdat_info
973
{
974
  /* The name of the symbol associated with a comdat section.  */
975
  const char *name;
976
 
977
  /* The local symbol table index of the symbol associated with a
978
     comdat section.  This is only meaningful to the object file format
979
     specific code; it is not an index into the list returned by
980
     bfd_canonicalize_symtab.  */
981
  long symbol;
982
};
983
 
984
extern struct coff_comdat_info *bfd_coff_get_comdat_section
985
  (bfd *, struct bfd_section *);
986
 

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