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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [bfd/] [bfd-in.h] - Blame information for rev 818

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1 205 julius
/* 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, 2009, 2010
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
  (((sec)->rawsize ? (sec)->rawsize : (sec)->size) \
295
   / bfd_octets_per_byte (bfd))
296
 
297
/* Return TRUE if section 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
/* Replace an entry in a hash table.  */
408
extern void bfd_hash_replace
409
  (struct bfd_hash_table *, struct bfd_hash_entry *old,
410
   struct bfd_hash_entry *nw);
411
 
412
/* Base method for creating a hash table entry.  */
413
extern struct bfd_hash_entry *bfd_hash_newfunc
414
  (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
415
 
416
/* Grab some space for a hash table entry.  */
417
extern void *bfd_hash_allocate
418
  (struct bfd_hash_table *, unsigned int);
419
 
420
/* Traverse a hash table in a random order, calling a function on each
421
   element.  If the function returns FALSE, the traversal stops.  The
422
   INFO argument is passed to the function.  */
423
extern void bfd_hash_traverse
424
  (struct bfd_hash_table *,
425
   bfd_boolean (*) (struct bfd_hash_entry *, void *),
426
   void *info);
427
 
428
/* Allows the default size of a hash table to be configured. New hash
429
   tables allocated using bfd_hash_table_init will be created with
430
   this size.  */
431
extern void bfd_hash_set_default_size (bfd_size_type);
432
 
433
/* This structure is used to keep track of stabs in sections
434
   information while linking.  */
435
 
436
struct stab_info
437
{
438
  /* A hash table used to hold stabs strings.  */
439
  struct bfd_strtab_hash *strings;
440
  /* The header file hash table.  */
441
  struct bfd_hash_table includes;
442
  /* The first .stabstr section.  */
443
  struct bfd_section *stabstr;
444
};
445
 
446
#define COFF_SWAP_TABLE (void *) &bfd_coff_std_swap_table
447
 
448
/* User program access to BFD facilities.  */
449
 
450
/* Direct I/O routines, for programs which know more about the object
451
   file than BFD does.  Use higher level routines if possible.  */
452
 
453
extern bfd_size_type bfd_bread (void *, bfd_size_type, bfd *);
454
extern bfd_size_type bfd_bwrite (const void *, bfd_size_type, bfd *);
455
extern int bfd_seek (bfd *, file_ptr, int);
456
extern file_ptr bfd_tell (bfd *);
457
extern int bfd_flush (bfd *);
458
extern int bfd_stat (bfd *, struct stat *);
459
 
460
/* Deprecated old routines.  */
461
#if __GNUC__
462
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
463
  (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
464
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
465
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
466
  (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
467
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
468
#else
469
#define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
470
  (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
471
   bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
472
#define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
473
  (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
474
   bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
475
#endif
476
extern void warn_deprecated (const char *, const char *, int, const char *);
477
 
478
/* Cast from const char * to char * so that caller can assign to
479
   a char * without a warning.  */
480
#define bfd_get_filename(abfd) ((char *) (abfd)->filename)
481
#define bfd_get_cacheable(abfd) ((abfd)->cacheable)
482
#define bfd_get_format(abfd) ((abfd)->format)
483
#define bfd_get_target(abfd) ((abfd)->xvec->name)
484
#define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
485
#define bfd_family_coff(abfd) \
486
  (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
487
   bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
488
#define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
489
#define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
490
#define bfd_header_big_endian(abfd) \
491
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
492
#define bfd_header_little_endian(abfd) \
493
  ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
494
#define bfd_get_file_flags(abfd) ((abfd)->flags)
495
#define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
496
#define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
497
#define bfd_my_archive(abfd) ((abfd)->my_archive)
498
#define bfd_has_map(abfd) ((abfd)->has_armap)
499
#define bfd_is_thin_archive(abfd) ((abfd)->is_thin_archive)
500
 
501
#define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
502
#define bfd_usrdata(abfd) ((abfd)->usrdata)
503
 
504
#define bfd_get_start_address(abfd) ((abfd)->start_address)
505
#define bfd_get_symcount(abfd) ((abfd)->symcount)
506
#define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
507
#define bfd_count_sections(abfd) ((abfd)->section_count)
508
 
509
#define bfd_get_dynamic_symcount(abfd) ((abfd)->dynsymcount)
510
 
511
#define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
512
 
513
#define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = bool), TRUE)
514
 
515
extern bfd_boolean bfd_cache_close
516
  (bfd *abfd);
517
/* NB: This declaration should match the autogenerated one in libbfd.h.  */
518
 
519
extern bfd_boolean bfd_cache_close_all (void);
520
 
521
extern bfd_boolean bfd_record_phdr
522
  (bfd *, unsigned long, bfd_boolean, flagword, bfd_boolean, bfd_vma,
523
   bfd_boolean, bfd_boolean, unsigned int, struct bfd_section **);
524
 
525
/* Byte swapping routines.  */
526
 
527
bfd_uint64_t bfd_getb64 (const void *);
528
bfd_uint64_t bfd_getl64 (const void *);
529
bfd_int64_t bfd_getb_signed_64 (const void *);
530
bfd_int64_t bfd_getl_signed_64 (const void *);
531
bfd_vma bfd_getb32 (const void *);
532
bfd_vma bfd_getl32 (const void *);
533
bfd_signed_vma bfd_getb_signed_32 (const void *);
534
bfd_signed_vma bfd_getl_signed_32 (const void *);
535
bfd_vma bfd_getb16 (const void *);
536
bfd_vma bfd_getl16 (const void *);
537
bfd_signed_vma bfd_getb_signed_16 (const void *);
538
bfd_signed_vma bfd_getl_signed_16 (const void *);
539
void bfd_putb64 (bfd_uint64_t, void *);
540
void bfd_putl64 (bfd_uint64_t, void *);
541
void bfd_putb32 (bfd_vma, void *);
542
void bfd_putl32 (bfd_vma, void *);
543
void bfd_putb16 (bfd_vma, void *);
544
void bfd_putl16 (bfd_vma, void *);
545
 
546
/* Byte swapping routines which take size and endiannes as arguments.  */
547
 
548
bfd_uint64_t bfd_get_bits (const void *, int, bfd_boolean);
549
void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
550
 
551
extern bfd_boolean bfd_section_already_linked_table_init (void);
552
extern void bfd_section_already_linked_table_free (void);
553
 
554
/* Externally visible ECOFF routines.  */
555
 
556
#if defined(__STDC__) || defined(ALMOST_STDC)
557
struct ecoff_debug_info;
558
struct ecoff_debug_swap;
559
struct ecoff_extr;
560
struct bfd_symbol;
561
struct bfd_link_info;
562
struct bfd_link_hash_entry;
563
struct bfd_elf_version_tree;
564
#endif
565
extern bfd_vma bfd_ecoff_get_gp_value
566
  (bfd * abfd);
567
extern bfd_boolean bfd_ecoff_set_gp_value
568
  (bfd *abfd, bfd_vma gp_value);
569
extern bfd_boolean bfd_ecoff_set_regmasks
570
  (bfd *abfd, unsigned long gprmask, unsigned long fprmask,
571
   unsigned long *cprmask);
572
extern void *bfd_ecoff_debug_init
573
  (bfd *output_bfd, struct ecoff_debug_info *output_debug,
574
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
575
extern void bfd_ecoff_debug_free
576
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
577
   const struct ecoff_debug_swap *output_swap, struct bfd_link_info *);
578
extern bfd_boolean bfd_ecoff_debug_accumulate
579
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
580
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
581
   struct ecoff_debug_info *input_debug,
582
   const struct ecoff_debug_swap *input_swap, struct bfd_link_info *);
583
extern bfd_boolean bfd_ecoff_debug_accumulate_other
584
  (void *handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
585
   const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
586
   struct bfd_link_info *);
587
extern bfd_boolean bfd_ecoff_debug_externals
588
  (bfd *abfd, struct ecoff_debug_info *debug,
589
   const struct ecoff_debug_swap *swap, bfd_boolean relocatable,
590
   bfd_boolean (*get_extr) (struct bfd_symbol *, struct ecoff_extr *),
591
   void (*set_index) (struct bfd_symbol *, bfd_size_type));
592
extern bfd_boolean bfd_ecoff_debug_one_external
593
  (bfd *abfd, struct ecoff_debug_info *debug,
594
   const struct ecoff_debug_swap *swap, const char *name,
595
   struct ecoff_extr *esym);
596
extern bfd_size_type bfd_ecoff_debug_size
597
  (bfd *abfd, struct ecoff_debug_info *debug,
598
   const struct ecoff_debug_swap *swap);
599
extern bfd_boolean bfd_ecoff_write_debug
600
  (bfd *abfd, struct ecoff_debug_info *debug,
601
   const struct ecoff_debug_swap *swap, file_ptr where);
602
extern bfd_boolean bfd_ecoff_write_accumulated_debug
603
  (void *handle, bfd *abfd, struct ecoff_debug_info *debug,
604
   const struct ecoff_debug_swap *swap,
605
   struct bfd_link_info *info, file_ptr where);
606
 
607
/* Externally visible ELF routines.  */
608
 
609
struct bfd_link_needed_list
610
{
611
  struct bfd_link_needed_list *next;
612
  bfd *by;
613
  const char *name;
614
};
615
 
616
enum dynamic_lib_link_class {
617
  DYN_NORMAL = 0,
618
  DYN_AS_NEEDED = 1,
619
  DYN_DT_NEEDED = 2,
620
  DYN_NO_ADD_NEEDED = 4,
621
  DYN_NO_NEEDED = 8
622
};
623
 
624
enum notice_asneeded_action {
625
  notice_as_needed,
626
  notice_not_needed,
627
  notice_needed
628
};
629
 
630
extern bfd_boolean bfd_elf_record_link_assignment
631
  (bfd *, struct bfd_link_info *, const char *, bfd_boolean,
632
   bfd_boolean);
633
extern struct bfd_link_needed_list *bfd_elf_get_needed_list
634
  (bfd *, struct bfd_link_info *);
635
extern bfd_boolean bfd_elf_get_bfd_needed_list
636
  (bfd *, struct bfd_link_needed_list **);
637
extern bfd_boolean bfd_elf_size_dynamic_sections
638
  (bfd *, const char *, const char *, const char *, const char * const *,
639
   struct bfd_link_info *, struct bfd_section **,
640
   struct bfd_elf_version_tree *);
641
extern bfd_boolean bfd_elf_size_dynsym_hash_dynstr
642
  (bfd *, struct bfd_link_info *);
643
extern void bfd_elf_set_dt_needed_name
644
  (bfd *, const char *);
645
extern const char *bfd_elf_get_dt_soname
646
  (bfd *);
647
extern void bfd_elf_set_dyn_lib_class
648
  (bfd *, enum dynamic_lib_link_class);
649
extern int bfd_elf_get_dyn_lib_class
650
  (bfd *);
651
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
652
  (bfd *, struct bfd_link_info *);
653
extern bfd_boolean bfd_elf_discard_info
654
  (bfd *, struct bfd_link_info *);
655
extern unsigned int _bfd_elf_default_action_discarded
656
  (struct bfd_section *);
657
 
658
/* Return an upper bound on the number of bytes required to store a
659
   copy of ABFD's program header table entries.  Return -1 if an error
660
   occurs; bfd_get_error will return an appropriate code.  */
661
extern long bfd_get_elf_phdr_upper_bound
662
  (bfd *abfd);
663
 
664
/* Copy ABFD's program header table entries to *PHDRS.  The entries
665
   will be stored as an array of Elf_Internal_Phdr structures, as
666
   defined in include/elf/internal.h.  To find out how large the
667
   buffer needs to be, call bfd_get_elf_phdr_upper_bound.
668
 
669
   Return the number of program header table entries read, or -1 if an
670
   error occurs; bfd_get_error will return an appropriate code.  */
671
extern int bfd_get_elf_phdrs
672
  (bfd *abfd, void *phdrs);
673
 
674
/* Create a new BFD as if by bfd_openr.  Rather than opening a file,
675
   reconstruct an ELF file by reading the segments out of remote memory
676
   based on the ELF file header at EHDR_VMA and the ELF program headers it
677
   points to.  If not null, *LOADBASEP is filled in with the difference
678
   between the VMAs from which the segments were read, and the VMAs the
679
   file headers (and hence BFD's idea of each section's VMA) put them at.
680
 
681
   The function TARGET_READ_MEMORY is called to copy LEN bytes from the
682
   remote memory at target address VMA into the local buffer at MYADDR; it
683
   should return zero on success or an `errno' code on failure.  TEMPL must
684
   be a BFD for an ELF target with the word size and byte order found in
685
   the remote memory.  */
686
extern bfd *bfd_elf_bfd_from_remote_memory
687
  (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep,
688
   int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len));
689
 
690
/* Return the arch_size field of an elf bfd, or -1 if not elf.  */
691
extern int bfd_get_arch_size
692
  (bfd *);
693
 
694
/* Return TRUE if address "naturally" sign extends, or -1 if not elf.  */
695
extern int bfd_get_sign_extend_vma
696
  (bfd *);
697
 
698
extern struct bfd_section *_bfd_elf_tls_setup
699
  (bfd *, struct bfd_link_info *);
700
 
701
extern void _bfd_fix_excluded_sec_syms
702
  (bfd *, struct bfd_link_info *);
703
 
704
extern unsigned bfd_m68k_mach_to_features (int);
705
 
706
extern int bfd_m68k_features_to_mach (unsigned);
707
 
708
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
709
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
710
   char **);
711
 
712
extern void bfd_elf_m68k_set_target_options (struct bfd_link_info *, int);
713
 
714
extern bfd_boolean bfd_bfin_elf32_create_embedded_relocs
715
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
716
   char **);
717
 
718
extern bfd_boolean bfd_cr16_elf32_create_embedded_relocs
719
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
720
   char **);
721
 
722
/* SunOS shared library support routines for the linker.  */
723
 
724
extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
725
  (bfd *, struct bfd_link_info *);
726
extern bfd_boolean bfd_sunos_record_link_assignment
727
  (bfd *, struct bfd_link_info *, const char *);
728
extern bfd_boolean bfd_sunos_size_dynamic_sections
729
  (bfd *, struct bfd_link_info *, struct bfd_section **,
730
   struct bfd_section **, struct bfd_section **);
731
 
732
/* Linux shared library support routines for the linker.  */
733
 
734
extern bfd_boolean bfd_i386linux_size_dynamic_sections
735
  (bfd *, struct bfd_link_info *);
736
extern bfd_boolean bfd_m68klinux_size_dynamic_sections
737
  (bfd *, struct bfd_link_info *);
738
extern bfd_boolean bfd_sparclinux_size_dynamic_sections
739
  (bfd *, struct bfd_link_info *);
740
 
741
/* mmap hacks */
742
 
743
struct _bfd_window_internal;
744
typedef struct _bfd_window_internal bfd_window_internal;
745
 
746
typedef struct _bfd_window
747
{
748
  /* What the user asked for.  */
749
  void *data;
750
  bfd_size_type size;
751
  /* The actual window used by BFD.  Small user-requested read-only
752
     regions sharing a page may share a single window into the object
753
     file.  Read-write versions shouldn't until I've fixed things to
754
     keep track of which portions have been claimed by the
755
     application; don't want to give the same region back when the
756
     application wants two writable copies!  */
757
  struct _bfd_window_internal *i;
758
}
759
bfd_window;
760
 
761
extern void bfd_init_window
762
  (bfd_window *);
763
extern void bfd_free_window
764
  (bfd_window *);
765
extern bfd_boolean bfd_get_file_window
766
  (bfd *, file_ptr, bfd_size_type, bfd_window *, bfd_boolean);
767
 
768
/* XCOFF support routines for the linker.  */
769
 
770
extern bfd_boolean bfd_xcoff_split_import_path
771
  (bfd *, const char *, const char **, const char **);
772
extern bfd_boolean bfd_xcoff_set_archive_import_path
773
  (struct bfd_link_info *, bfd *, const char *);
774
extern bfd_boolean bfd_xcoff_link_record_set
775
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_size_type);
776
extern bfd_boolean bfd_xcoff_import_symbol
777
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *, bfd_vma,
778
   const char *, const char *, const char *, unsigned int);
779
extern bfd_boolean bfd_xcoff_export_symbol
780
  (bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *);
781
extern bfd_boolean bfd_xcoff_link_count_reloc
782
  (bfd *, struct bfd_link_info *, const char *);
783
extern bfd_boolean bfd_xcoff_record_link_assignment
784
  (bfd *, struct bfd_link_info *, const char *);
785
extern bfd_boolean bfd_xcoff_size_dynamic_sections
786
  (bfd *, struct bfd_link_info *, const char *, const char *,
787
   unsigned long, unsigned long, unsigned long, bfd_boolean,
788
   int, bfd_boolean, unsigned int, struct bfd_section **, bfd_boolean);
789
extern bfd_boolean bfd_xcoff_link_generate_rtinit
790
  (bfd *, const char *, const char *, bfd_boolean);
791
 
792
/* XCOFF support routines for ar.  */
793
extern bfd_boolean bfd_xcoff_ar_archive_set_magic
794
  (bfd *, char *);
795
 
796
/* Externally visible COFF routines.  */
797
 
798
#if defined(__STDC__) || defined(ALMOST_STDC)
799
struct internal_syment;
800
union internal_auxent;
801
#endif
802
 
803
extern bfd_boolean bfd_coff_get_syment
804
  (bfd *, struct bfd_symbol *, struct internal_syment *);
805
 
806
extern bfd_boolean bfd_coff_get_auxent
807
  (bfd *, struct bfd_symbol *, int, union internal_auxent *);
808
 
809
extern bfd_boolean bfd_coff_set_symbol_class
810
  (bfd *, struct bfd_symbol *, unsigned int);
811
 
812
extern bfd_boolean bfd_m68k_coff_create_embedded_relocs
813
  (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
814
 
815
/* ARM VFP11 erratum workaround support.  */
816
typedef enum
817
{
818
  BFD_ARM_VFP11_FIX_DEFAULT,
819
  BFD_ARM_VFP11_FIX_NONE,
820
  BFD_ARM_VFP11_FIX_SCALAR,
821
  BFD_ARM_VFP11_FIX_VECTOR
822
} bfd_arm_vfp11_fix;
823
 
824
extern void bfd_elf32_arm_init_maps
825
  (bfd *);
826
 
827
extern void bfd_elf32_arm_set_vfp11_fix
828
  (bfd *, struct bfd_link_info *);
829
 
830
extern void bfd_elf32_arm_set_cortex_a8_fix
831
  (bfd *, struct bfd_link_info *);
832
 
833
extern bfd_boolean bfd_elf32_arm_vfp11_erratum_scan
834
  (bfd *, struct bfd_link_info *);
835
 
836
extern void bfd_elf32_arm_vfp11_fix_veneer_locations
837
  (bfd *, struct bfd_link_info *);
838
 
839
/* ARM Interworking support.  Called from linker.  */
840
extern bfd_boolean bfd_arm_allocate_interworking_sections
841
  (struct bfd_link_info *);
842
 
843
extern bfd_boolean bfd_arm_process_before_allocation
844
  (bfd *, struct bfd_link_info *, int);
845
 
846
extern bfd_boolean bfd_arm_get_bfd_for_interworking
847
  (bfd *, struct bfd_link_info *);
848
 
849
/* PE ARM Interworking support.  Called from linker.  */
850
extern bfd_boolean bfd_arm_pe_allocate_interworking_sections
851
  (struct bfd_link_info *);
852
 
853
extern bfd_boolean bfd_arm_pe_process_before_allocation
854
  (bfd *, struct bfd_link_info *, int);
855
 
856
extern bfd_boolean bfd_arm_pe_get_bfd_for_interworking
857
  (bfd *, struct bfd_link_info *);
858
 
859
/* ELF ARM Interworking support.  Called from linker.  */
860
extern bfd_boolean bfd_elf32_arm_allocate_interworking_sections
861
  (struct bfd_link_info *);
862
 
863
extern bfd_boolean bfd_elf32_arm_process_before_allocation
864
  (bfd *, struct bfd_link_info *);
865
 
866
void bfd_elf32_arm_set_target_relocs
867
  (bfd *, struct bfd_link_info *, int, char *, int, int, bfd_arm_vfp11_fix,
868
   int, int, int, int);
869
 
870
extern bfd_boolean bfd_elf32_arm_get_bfd_for_interworking
871
  (bfd *, struct bfd_link_info *);
872
 
873
extern bfd_boolean bfd_elf32_arm_add_glue_sections_to_bfd
874
  (bfd *, struct bfd_link_info *);
875
 
876
/* ELF ARM mapping symbol support */
877
#define BFD_ARM_SPECIAL_SYM_TYPE_MAP    (1 << 0)
878
#define BFD_ARM_SPECIAL_SYM_TYPE_TAG    (1 << 1)
879
#define BFD_ARM_SPECIAL_SYM_TYPE_OTHER  (1 << 2)
880
#define BFD_ARM_SPECIAL_SYM_TYPE_ANY    (~0)
881
extern bfd_boolean bfd_is_arm_special_symbol_name
882
  (const char * name, int type);
883
 
884
extern void bfd_elf32_arm_set_byteswap_code (struct bfd_link_info *, int);
885
 
886
/* ARM Note section processing.  */
887
extern bfd_boolean bfd_arm_merge_machines
888
  (bfd *, bfd *);
889
 
890
extern bfd_boolean bfd_arm_update_notes
891
  (bfd *, const char *);
892
 
893
extern unsigned int bfd_arm_get_mach_from_notes
894
  (bfd *, const char *);
895
 
896
/* ARM stub generation support.  Called from the linker.  */
897
extern int elf32_arm_setup_section_lists
898
  (bfd *, struct bfd_link_info *);
899
extern void elf32_arm_next_input_section
900
  (struct bfd_link_info *, struct bfd_section *);
901
extern bfd_boolean elf32_arm_size_stubs
902
  (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
903
   struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
904
extern bfd_boolean elf32_arm_build_stubs
905
  (struct bfd_link_info *);
906
 
907
/* ARM unwind section editing support.  */
908
extern bfd_boolean elf32_arm_fix_exidx_coverage
909
  (struct bfd_section **, unsigned int, struct bfd_link_info *);
910
 
911
/* PowerPC @tls opcode transform/validate.  */
912
extern unsigned int _bfd_elf_ppc_at_tls_transform
913
  (unsigned int, unsigned int);
914
/* PowerPC @tprel opcode transform/validate.  */
915
extern unsigned int _bfd_elf_ppc_at_tprel_transform
916
  (unsigned int, unsigned int);
917
 
918
/* TI COFF load page support.  */
919
extern void bfd_ticoff_set_section_load_page
920
  (struct bfd_section *, int);
921
 
922
extern int bfd_ticoff_get_section_load_page
923
  (struct bfd_section *);
924
 
925
/* H8/300 functions.  */
926
extern bfd_vma bfd_h8300_pad_address
927
  (bfd *, bfd_vma);
928
 
929
/* IA64 Itanium code generation.  Called from linker.  */
930
extern void bfd_elf32_ia64_after_parse
931
  (int);
932
 
933
extern void bfd_elf64_ia64_after_parse
934
  (int);
935
 
936
/* This structure is used for a comdat section, as in PE.  A comdat
937
   section is associated with a particular symbol.  When the linker
938
   sees a comdat section, it keeps only one of the sections with a
939
   given name and associated with a given symbol.  */
940
 
941
struct coff_comdat_info
942
{
943
  /* The name of the symbol associated with a comdat section.  */
944
  const char *name;
945
 
946
  /* The local symbol table index of the symbol associated with a
947
     comdat section.  This is only meaningful to the object file format
948
     specific code; it is not an index into the list returned by
949
     bfd_canonicalize_symtab.  */
950
  long symbol;
951
};
952
 
953
extern struct coff_comdat_info *bfd_coff_get_comdat_section
954
  (bfd *, struct bfd_section *);
955
 

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