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[/] [or1k/] [trunk/] [insight/] [bfd/] [targets.c] - Blame information for rev 1765

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1 578 markom
/* Generic target-file-type support for the BFD library.
2
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3
   2000, 2001
4
   Free Software Foundation, Inc.
5
   Written by Cygnus Support.
6
 
7
This file is part of BFD, the Binary File Descriptor library.
8
 
9
This program is free software; you can redistribute it and/or modify
10
it under the terms of the GNU General Public License as published by
11
the Free Software Foundation; either version 2 of the License, or
12
(at your option) any later version.
13
 
14
This program is distributed in the hope that it will be useful,
15
but WITHOUT ANY WARRANTY; without even the implied warranty of
16
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
GNU General Public License for more details.
18
 
19
You should have received a copy of the GNU General Public License
20
along with this program; if not, write to the Free Software
21
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
22
 
23
#include "bfd.h"
24
#include "sysdep.h"
25
#include "libbfd.h"
26
#include "fnmatch.h"
27
 
28
/*
29
SECTION
30
        Targets
31
 
32
DESCRIPTION
33
        Each port of BFD to a different machine requries the creation
34
        of a target back end. All the back end provides to the root
35
        part of BFD is a structure containing pointers to functions
36
        which perform certain low level operations on files. BFD
37
        translates the applications's requests through a pointer into
38
        calls to the back end routines.
39
 
40
        When a file is opened with <<bfd_openr>>, its format and
41
        target are unknown. BFD uses various mechanisms to determine
42
        how to interpret the file. The operations performed are:
43
 
44
        o Create a BFD by calling the internal routine
45
        <<_bfd_new_bfd>>, then call <<bfd_find_target>> with the
46
        target string supplied to <<bfd_openr>> and the new BFD pointer.
47
 
48
        o If a null target string was provided to <<bfd_find_target>>,
49
        look up the environment variable <<GNUTARGET>> and use
50
        that as the target string.
51
 
52
        o If the target string is still <<NULL>>, or the target string is
53
        <<default>>, then use the first item in the target vector
54
        as the target type, and set <<target_defaulted>> in the BFD to
55
        cause <<bfd_check_format>> to loop through all the targets.
56
        @xref{bfd_target}.  @xref{Formats}.
57
 
58
        o Otherwise, inspect the elements in the target vector
59
        one by one, until a match on target name is found. When found,
60
        use it.
61
 
62
        o Otherwise return the error <<bfd_error_invalid_target>> to
63
        <<bfd_openr>>.
64
 
65
        o <<bfd_openr>> attempts to open the file using
66
        <<bfd_open_file>>, and returns the BFD.
67
 
68
        Once the BFD has been opened and the target selected, the file
69
        format may be determined. This is done by calling
70
        <<bfd_check_format>> on the BFD with a suggested format.
71
        If <<target_defaulted>> has been set, each possible target
72
        type is tried to see if it recognizes the specified format.
73
        <<bfd_check_format>> returns <<true>> when the caller guesses right.
74
@menu
75
@* bfd_target::
76
@end menu
77
*/
78
 
79
/*
80
 
81
INODE
82
        bfd_target,  , Targets, Targets
83
DOCDD
84
SUBSECTION
85
        bfd_target
86
 
87
DESCRIPTION
88
        This structure contains everything that BFD knows about a
89
        target. It includes things like its byte order, name, and which
90
        routines to call to do various operations.
91
 
92
        Every BFD points to a target structure with its <<xvec>>
93
        member.
94
 
95
        The macros below are used to dispatch to functions through the
96
        <<bfd_target>> vector. They are used in a number of macros further
97
        down in @file{bfd.h}, and are also used when calling various
98
        routines by hand inside the BFD implementation.  The @var{arglist}
99
        argument must be parenthesized; it contains all the arguments
100
        to the called function.
101
 
102
        They make the documentation (more) unpleasant to read, so if
103
        someone wants to fix this and not break the above, please do.
104
 
105
.#define BFD_SEND(bfd, message, arglist) \
106
.               ((*((bfd)->xvec->message)) arglist)
107
.
108
.#ifdef DEBUG_BFD_SEND
109
.#undef BFD_SEND
110
.#define BFD_SEND(bfd, message, arglist) \
111
.  (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
112
.    ((*((bfd)->xvec->message)) arglist) : \
113
.    (bfd_assert (__FILE__,__LINE__), NULL))
114
.#endif
115
 
116
        For operations which index on the BFD format:
117
 
118
.#define BFD_SEND_FMT(bfd, message, arglist) \
119
.            (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist)
120
.
121
.#ifdef DEBUG_BFD_SEND
122
.#undef BFD_SEND_FMT
123
.#define BFD_SEND_FMT(bfd, message, arglist) \
124
.  (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \
125
.   (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \
126
.   (bfd_assert (__FILE__,__LINE__), NULL))
127
.#endif
128
 
129
        This is the structure which defines the type of BFD this is.  The
130
        <<xvec>> member of the struct <<bfd>> itself points here.  Each
131
        module that implements access to a different target under BFD,
132
        defines one of these.
133
 
134
        FIXME, these names should be rationalised with the names of
135
        the entry points which call them. Too bad we can't have one
136
        macro to define them both!
137
 
138
.enum bfd_flavour {
139
.  bfd_target_unknown_flavour,
140
.  bfd_target_aout_flavour,
141
.  bfd_target_coff_flavour,
142
.  bfd_target_ecoff_flavour,
143
.  bfd_target_xcoff_flavour,
144
.  bfd_target_elf_flavour,
145
.  bfd_target_ieee_flavour,
146
.  bfd_target_nlm_flavour,
147
.  bfd_target_oasys_flavour,
148
.  bfd_target_tekhex_flavour,
149
.  bfd_target_srec_flavour,
150
.  bfd_target_ihex_flavour,
151
.  bfd_target_som_flavour,
152
.  bfd_target_os9k_flavour,
153
.  bfd_target_versados_flavour,
154
.  bfd_target_msdos_flavour,
155
.  bfd_target_ovax_flavour,
156
.  bfd_target_evax_flavour
157
.};
158
.
159
.enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN };
160
.
161
.{* Forward declaration.  *}
162
.typedef struct bfd_link_info _bfd_link_info;
163
.
164
.typedef struct bfd_target
165
.{
166
 
167
Identifies the kind of target, e.g., SunOS4, Ultrix, etc.
168
 
169
.  char *name;
170
 
171
The "flavour" of a back end is a general indication about the contents
172
of a file.
173
 
174
.  enum bfd_flavour flavour;
175
 
176
The order of bytes within the data area of a file.
177
 
178
.  enum bfd_endian byteorder;
179
 
180
The order of bytes within the header parts of a file.
181
 
182
.  enum bfd_endian header_byteorder;
183
 
184
A mask of all the flags which an executable may have set -
185
from the set <<BFD_NO_FLAGS>>, <<HAS_RELOC>>, ...<<D_PAGED>>.
186
 
187
.  flagword object_flags;
188
 
189
A mask of all the flags which a section may have set - from
190
the set <<SEC_NO_FLAGS>>, <<SEC_ALLOC>>, ...<<SET_NEVER_LOAD>>.
191
 
192
.  flagword section_flags;
193
 
194
The character normally found at the front of a symbol
195
(if any), perhaps `_'.
196
 
197
.  char symbol_leading_char;
198
 
199
The pad character for file names within an archive header.
200
 
201
.  char ar_pad_char;
202
 
203
The maximum number of characters in an archive header.
204
 
205
.  unsigned short ar_max_namelen;
206
 
207
Entries for byte swapping for data. These are different from the other
208
entry points, since they don't take a BFD asthe first argument.
209
Certain other handlers could do the same.
210
 
211
.  bfd_vma      (*bfd_getx64) PARAMS ((const bfd_byte *));
212
.  bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
213
.  void         (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
214
.  bfd_vma      (*bfd_getx32) PARAMS ((const bfd_byte *));
215
.  bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
216
.  void         (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
217
.  bfd_vma      (*bfd_getx16) PARAMS ((const bfd_byte *));
218
.  bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
219
.  void         (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
220
 
221
Byte swapping for the headers
222
 
223
.  bfd_vma      (*bfd_h_getx64) PARAMS ((const bfd_byte *));
224
.  bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
225
.  void         (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
226
.  bfd_vma      (*bfd_h_getx32) PARAMS ((const bfd_byte *));
227
.  bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
228
.  void         (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
229
.  bfd_vma      (*bfd_h_getx16) PARAMS ((const bfd_byte *));
230
.  bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
231
.  void         (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
232
 
233
Format dependent routines: these are vectors of entry points
234
within the target vector structure, one for each format to check.
235
 
236
Check the format of a file being read.  Return a <<bfd_target *>> or zero.
237
 
238
.  const struct bfd_target *(*_bfd_check_format[bfd_type_end]) PARAMS ((bfd *));
239
 
240
Set the format of a file being written.
241
 
242
.  boolean             (*_bfd_set_format[bfd_type_end]) PARAMS ((bfd *));
243
 
244
Write cached information into a file being written, at <<bfd_close>>.
245
 
246
.  boolean             (*_bfd_write_contents[bfd_type_end]) PARAMS ((bfd *));
247
 
248
The general target vector.  These vectors are initialized using the
249
BFD_JUMP_TABLE macros.
250
 
251
.
252
.  {* Generic entry points.  *}
253
.#define BFD_JUMP_TABLE_GENERIC(NAME)\
254
.CAT(NAME,_close_and_cleanup),\
255
.CAT(NAME,_bfd_free_cached_info),\
256
.CAT(NAME,_new_section_hook),\
257
.CAT(NAME,_get_section_contents),\
258
.CAT(NAME,_get_section_contents_in_window)
259
.
260
.  {* Called when the BFD is being closed to do any necessary cleanup.  *}
261
.  boolean       (*_close_and_cleanup) PARAMS ((bfd *));
262
.  {* Ask the BFD to free all cached information.  *}
263
.  boolean (*_bfd_free_cached_info) PARAMS ((bfd *));
264
.  {* Called when a new section is created.  *}
265
.  boolean       (*_new_section_hook) PARAMS ((bfd *, sec_ptr));
266
.  {* Read the contents of a section.  *}
267
.  boolean       (*_bfd_get_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
268
.                                            file_ptr, bfd_size_type));
269
.  boolean       (*_bfd_get_section_contents_in_window)
270
.                          PARAMS ((bfd *, sec_ptr, bfd_window *,
271
.                                   file_ptr, bfd_size_type));
272
.
273
.  {* Entry points to copy private data.  *}
274
.#define BFD_JUMP_TABLE_COPY(NAME)\
275
.CAT(NAME,_bfd_copy_private_bfd_data),\
276
.CAT(NAME,_bfd_merge_private_bfd_data),\
277
.CAT(NAME,_bfd_copy_private_section_data),\
278
.CAT(NAME,_bfd_copy_private_symbol_data),\
279
.CAT(NAME,_bfd_set_private_flags),\
280
.CAT(NAME,_bfd_print_private_bfd_data)\
281
.  {* Called to copy BFD general private data from one object file
282
.     to another.  *}
283
.  boolean       (*_bfd_copy_private_bfd_data) PARAMS ((bfd *, bfd *));
284
.  {* Called to merge BFD general private data from one object file
285
.     to a common output file when linking.  *}
286
.  boolean       (*_bfd_merge_private_bfd_data) PARAMS ((bfd *, bfd *));
287
.  {* Called to copy BFD private section data from one object file
288
.     to another.  *}
289
.  boolean       (*_bfd_copy_private_section_data) PARAMS ((bfd *, sec_ptr,
290
.                                                       bfd *, sec_ptr));
291
.  {* Called to copy BFD private symbol data from one symbol
292
.     to another.  *}
293
.  boolean       (*_bfd_copy_private_symbol_data) PARAMS ((bfd *, asymbol *,
294
.                                                          bfd *, asymbol *));
295
.  {* Called to set private backend flags *}
296
.  boolean       (*_bfd_set_private_flags) PARAMS ((bfd *, flagword));
297
.
298
.  {* Called to print private BFD data *}
299
.  boolean       (*_bfd_print_private_bfd_data) PARAMS ((bfd *, PTR));
300
.
301
.  {* Core file entry points.  *}
302
.#define BFD_JUMP_TABLE_CORE(NAME)\
303
.CAT(NAME,_core_file_failing_command),\
304
.CAT(NAME,_core_file_failing_signal),\
305
.CAT(NAME,_core_file_matches_executable_p)
306
.  char *   (*_core_file_failing_command) PARAMS ((bfd *));
307
.  int      (*_core_file_failing_signal) PARAMS ((bfd *));
308
.  boolean  (*_core_file_matches_executable_p) PARAMS ((bfd *, bfd *));
309
.
310
.  {* Archive entry points.  *}
311
.#define BFD_JUMP_TABLE_ARCHIVE(NAME)\
312
.CAT(NAME,_slurp_armap),\
313
.CAT(NAME,_slurp_extended_name_table),\
314
.CAT(NAME,_construct_extended_name_table),\
315
.CAT(NAME,_truncate_arname),\
316
.CAT(NAME,_write_armap),\
317
.CAT(NAME,_read_ar_hdr),\
318
.CAT(NAME,_openr_next_archived_file),\
319
.CAT(NAME,_get_elt_at_index),\
320
.CAT(NAME,_generic_stat_arch_elt),\
321
.CAT(NAME,_update_armap_timestamp)
322
.  boolean  (*_bfd_slurp_armap) PARAMS ((bfd *));
323
.  boolean  (*_bfd_slurp_extended_name_table) PARAMS ((bfd *));
324
.  boolean  (*_bfd_construct_extended_name_table)
325
.             PARAMS ((bfd *, char **, bfd_size_type *, const char **));
326
.  void     (*_bfd_truncate_arname) PARAMS ((bfd *, CONST char *, char *));
327
.  boolean  (*write_armap) PARAMS ((bfd *arch,
328
.                              unsigned int elength,
329
.                              struct orl *map,
330
.                              unsigned int orl_count,
331
.                              int stridx));
332
.  PTR (*_bfd_read_ar_hdr_fn) PARAMS ((bfd *));
333
.  bfd *    (*openr_next_archived_file) PARAMS ((bfd *arch, bfd *prev));
334
.#define bfd_get_elt_at_index(b,i) BFD_SEND(b, _bfd_get_elt_at_index, (b,i))
335
.  bfd *    (*_bfd_get_elt_at_index) PARAMS ((bfd *, symindex));
336
.  int      (*_bfd_stat_arch_elt) PARAMS ((bfd *, struct stat *));
337
.  boolean  (*_bfd_update_armap_timestamp) PARAMS ((bfd *));
338
.
339
.  {* Entry points used for symbols.  *}
340
.#define BFD_JUMP_TABLE_SYMBOLS(NAME)\
341
.CAT(NAME,_get_symtab_upper_bound),\
342
.CAT(NAME,_get_symtab),\
343
.CAT(NAME,_make_empty_symbol),\
344
.CAT(NAME,_print_symbol),\
345
.CAT(NAME,_get_symbol_info),\
346
.CAT(NAME,_bfd_is_local_label_name),\
347
.CAT(NAME,_get_lineno),\
348
.CAT(NAME,_find_nearest_line),\
349
.CAT(NAME,_bfd_make_debug_symbol),\
350
.CAT(NAME,_read_minisymbols),\
351
.CAT(NAME,_minisymbol_to_symbol)
352
.  long  (*_bfd_get_symtab_upper_bound) PARAMS ((bfd *));
353
.  long  (*_bfd_canonicalize_symtab) PARAMS ((bfd *,
354
.                                             struct symbol_cache_entry **));
355
.  struct symbol_cache_entry  *
356
.                (*_bfd_make_empty_symbol) PARAMS ((bfd *));
357
.  void          (*_bfd_print_symbol) PARAMS ((bfd *, PTR,
358
.                                      struct symbol_cache_entry *,
359
.                                      bfd_print_symbol_type));
360
.#define bfd_print_symbol(b,p,s,e) BFD_SEND(b, _bfd_print_symbol, (b,p,s,e))
361
.  void          (*_bfd_get_symbol_info) PARAMS ((bfd *,
362
.                                      struct symbol_cache_entry *,
363
.                                      symbol_info *));
364
.#define bfd_get_symbol_info(b,p,e) BFD_SEND(b, _bfd_get_symbol_info, (b,p,e))
365
.  boolean       (*_bfd_is_local_label_name) PARAMS ((bfd *, const char *));
366
.
367
.  alent *    (*_get_lineno) PARAMS ((bfd *, struct symbol_cache_entry *));
368
.  boolean    (*_bfd_find_nearest_line) PARAMS ((bfd *abfd,
369
.                    struct sec *section, struct symbol_cache_entry **symbols,
370
.                    bfd_vma offset, CONST char **file, CONST char **func,
371
.                    unsigned int *line));
372
. {* Back-door to allow format-aware applications to create debug symbols
373
.    while using BFD for everything else.  Currently used by the assembler
374
.    when creating COFF files.  *}
375
.  asymbol *  (*_bfd_make_debug_symbol) PARAMS ((
376
.       bfd *abfd,
377
.       void *ptr,
378
.       unsigned long size));
379
.#define bfd_read_minisymbols(b, d, m, s) \
380
.  BFD_SEND (b, _read_minisymbols, (b, d, m, s))
381
.  long  (*_read_minisymbols) PARAMS ((bfd *, boolean, PTR *,
382
.                                      unsigned int *));
383
.#define bfd_minisymbol_to_symbol(b, d, m, f) \
384
.  BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f))
385
.  asymbol *(*_minisymbol_to_symbol) PARAMS ((bfd *, boolean, const PTR,
386
.                                             asymbol *));
387
.
388
.  {* Routines for relocs.  *}
389
.#define BFD_JUMP_TABLE_RELOCS(NAME)\
390
.CAT(NAME,_get_reloc_upper_bound),\
391
.CAT(NAME,_canonicalize_reloc),\
392
.CAT(NAME,_bfd_reloc_type_lookup)
393
.  long  (*_get_reloc_upper_bound) PARAMS ((bfd *, sec_ptr));
394
.  long  (*_bfd_canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **,
395
.                                            struct symbol_cache_entry **));
396
.  {* See documentation on reloc types.  *}
397
.  reloc_howto_type *
398
.       (*reloc_type_lookup) PARAMS ((bfd *abfd,
399
.                                     bfd_reloc_code_real_type code));
400
.
401
.  {* Routines used when writing an object file.  *}
402
.#define BFD_JUMP_TABLE_WRITE(NAME)\
403
.CAT(NAME,_set_arch_mach),\
404
.CAT(NAME,_set_section_contents)
405
.  boolean    (*_bfd_set_arch_mach) PARAMS ((bfd *, enum bfd_architecture,
406
.                    unsigned long));
407
.  boolean       (*_bfd_set_section_contents) PARAMS ((bfd *, sec_ptr, PTR,
408
.                                            file_ptr, bfd_size_type));
409
.
410
.  {* Routines used by the linker.  *}
411
.#define BFD_JUMP_TABLE_LINK(NAME)\
412
.CAT(NAME,_sizeof_headers),\
413
.CAT(NAME,_bfd_get_relocated_section_contents),\
414
.CAT(NAME,_bfd_relax_section),\
415
.CAT(NAME,_bfd_link_hash_table_create),\
416
.CAT(NAME,_bfd_link_add_symbols),\
417
.CAT(NAME,_bfd_final_link),\
418
.CAT(NAME,_bfd_link_split_section),\
419
.CAT(NAME,_bfd_gc_sections),\
420
.CAT(NAME,_bfd_merge_sections)
421
.  int        (*_bfd_sizeof_headers) PARAMS ((bfd *, boolean));
422
.  bfd_byte * (*_bfd_get_relocated_section_contents) PARAMS ((bfd *,
423
.                    struct bfd_link_info *, struct bfd_link_order *,
424
.                    bfd_byte *data, boolean relocateable,
425
.                    struct symbol_cache_entry **));
426
.
427
.  boolean    (*_bfd_relax_section) PARAMS ((bfd *, struct sec *,
428
.                    struct bfd_link_info *, boolean *again));
429
.
430
.  {* Create a hash table for the linker.  Different backends store
431
.     different information in this table.  *}
432
.  struct bfd_link_hash_table *(*_bfd_link_hash_table_create) PARAMS ((bfd *));
433
.
434
.  {* Add symbols from this object file into the hash table.  *}
435
.  boolean (*_bfd_link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *));
436
.
437
.  {* Do a link based on the link_order structures attached to each
438
.     section of the BFD.  *}
439
.  boolean (*_bfd_final_link) PARAMS ((bfd *, struct bfd_link_info *));
440
.
441
.  {* Should this section be split up into smaller pieces during linking.  *}
442
.  boolean (*_bfd_link_split_section) PARAMS ((bfd *, struct sec *));
443
.
444
.  {* Remove sections that are not referenced from the output.  *}
445
.  boolean (*_bfd_gc_sections) PARAMS ((bfd *, struct bfd_link_info *));
446
.
447
.  {* Attempt to merge SEC_MERGE sections.  *}
448
.  boolean (*_bfd_merge_sections) PARAMS ((bfd *, struct bfd_link_info *));
449
.
450
.  {* Routines to handle dynamic symbols and relocs.  *}
451
.#define BFD_JUMP_TABLE_DYNAMIC(NAME)\
452
.CAT(NAME,_get_dynamic_symtab_upper_bound),\
453
.CAT(NAME,_canonicalize_dynamic_symtab),\
454
.CAT(NAME,_get_dynamic_reloc_upper_bound),\
455
.CAT(NAME,_canonicalize_dynamic_reloc)
456
.  {* Get the amount of memory required to hold the dynamic symbols. *}
457
.  long  (*_bfd_get_dynamic_symtab_upper_bound) PARAMS ((bfd *));
458
.  {* Read in the dynamic symbols.  *}
459
.  long  (*_bfd_canonicalize_dynamic_symtab)
460
.    PARAMS ((bfd *, struct symbol_cache_entry **));
461
.  {* Get the amount of memory required to hold the dynamic relocs.  *}
462
.  long  (*_bfd_get_dynamic_reloc_upper_bound) PARAMS ((bfd *));
463
.  {* Read in the dynamic relocs.  *}
464
.  long  (*_bfd_canonicalize_dynamic_reloc)
465
.    PARAMS ((bfd *, arelent **, struct symbol_cache_entry **));
466
.
467
 
468
A pointer to an alternative bfd_target in case the current one is not
469
satisfactory.  This can happen when the target cpu supports both big
470
and little endian code, and target chosen by the linker has the wrong
471
endianness.  The function open_output() in ld/ldlang.c uses this field
472
to find an alternative output format that is suitable.
473
 
474
. {* Opposite endian version of this target.  *}
475
. const struct bfd_target * alternative_target;
476
.
477
 
478
Data for use by back-end routines, which isn't generic enough to belong
479
in this structure.
480
 
481
. PTR backend_data;
482
.
483
.} bfd_target;
484
 
485
*/
486
 
487
/* All known xvecs (even those that don't compile on all systems).
488
   Alphabetized for easy reference.
489
   They are listed a second time below, since
490
   we can't intermix extern's and initializers.  */
491
extern const bfd_target a29kcoff_big_vec;
492
extern const bfd_target a_out_adobe_vec;
493
extern const bfd_target aout0_big_vec;
494
extern const bfd_target aout_arm_big_vec;
495
extern const bfd_target aout_arm_little_vec;
496
extern const bfd_target aout_mips_big_vec;
497
extern const bfd_target aout_mips_little_vec;
498
extern const bfd_target apollocoff_vec;
499
extern const bfd_target arm_epoc_pe_big_vec;
500
extern const bfd_target arm_epoc_pe_little_vec;
501
extern const bfd_target arm_epoc_pei_big_vec;
502
extern const bfd_target arm_epoc_pei_little_vec;
503
extern const bfd_target armcoff_big_vec;
504
extern const bfd_target armcoff_little_vec;
505
extern const bfd_target armnetbsd_vec;
506
extern const bfd_target armpe_big_vec;
507
extern const bfd_target armpe_little_vec;
508
extern const bfd_target armpei_big_vec;
509
extern const bfd_target armpei_little_vec;
510
extern const bfd_target b_out_vec_big_host;
511
extern const bfd_target b_out_vec_little_host;
512
extern const bfd_target bfd_efi_app_ia32_vec;
513
extern const bfd_target bfd_efi_app_ia64_vec;
514
extern const bfd_target bfd_elf32_avr_vec;
515
extern const bfd_target bfd_elf32_big_generic_vec;
516
extern const bfd_target bfd_elf32_bigarc_vec;
517
extern const bfd_target bfd_elf32_bigarm_oabi_vec;
518
extern const bfd_target bfd_elf32_bigarm_vec;
519
extern const bfd_target bfd_elf32_bigmips_vec;
520
extern const bfd_target bfd_elf32_cris_vec;
521
extern const bfd_target bfd_elf32_d10v_vec;
522
extern const bfd_target bfd_elf32_d30v_vec;
523
extern const bfd_target bfd_elf32_fr30_vec;
524
extern const bfd_target bfd_elf32_hppa_linux_vec;
525
extern const bfd_target bfd_elf32_hppa_vec;
526
extern const bfd_target bfd_elf32_i370_vec;
527
extern const bfd_target bfd_elf32_i386_vec;
528
extern const bfd_target bfd_elf32_i860_little_vec;
529
extern const bfd_target bfd_elf32_i860_vec;
530
extern const bfd_target bfd_elf32_i960_vec;
531
extern const bfd_target bfd_elf32_ia64_big_vec;
532
extern const bfd_target bfd_elf32_little_generic_vec;
533
extern const bfd_target bfd_elf32_littlearc_vec;
534
extern const bfd_target bfd_elf32_littlearm_oabi_vec;
535
extern const bfd_target bfd_elf32_littlearm_vec;
536
extern const bfd_target bfd_elf32_littlemips_vec;
537
extern const bfd_target bfd_elf32_m32r_vec;
538
extern const bfd_target bfd_elf32_m68hc11_vec;
539
extern const bfd_target bfd_elf32_m68hc12_vec;
540
extern const bfd_target bfd_elf32_m68k_vec;
541
extern const bfd_target bfd_elf32_m88k_vec;
542
extern const bfd_target bfd_elf32_mcore_big_vec;
543
extern const bfd_target bfd_elf32_mcore_little_vec;
544
extern const bfd_target bfd_elf32_mn10200_vec;
545
extern const bfd_target bfd_elf32_mn10300_vec;
546
extern const bfd_target bfd_elf32_openrisc_vec;
547
extern const bfd_target bfd_elf32_pj_vec;
548
extern const bfd_target bfd_elf32_pjl_vec;
549
extern const bfd_target bfd_elf32_powerpc_vec;
550
extern const bfd_target bfd_elf32_powerpcle_vec;
551
extern const bfd_target bfd_elf32_s390_vec;
552
extern const bfd_target bfd_elf32_sh_vec;
553
extern const bfd_target bfd_elf32_shblin_vec;
554
extern const bfd_target bfd_elf32_shl_vec;
555
extern const bfd_target bfd_elf32_shlin_vec;
556
extern const bfd_target bfd_elf32_sparc_vec;
557
extern const bfd_target bfd_elf32_tradbigmips_vec;
558
extern const bfd_target bfd_elf32_tradlittlemips_vec;
559
extern const bfd_target bfd_elf32_us_cris_vec;
560
extern const bfd_target bfd_elf32_v850_vec;
561
extern const bfd_target bfd_elf64_alpha_vec;
562
extern const bfd_target bfd_elf64_big_generic_vec;
563
extern const bfd_target bfd_elf64_bigmips_vec;
564
extern const bfd_target bfd_elf64_hppa_linux_vec;
565
extern const bfd_target bfd_elf64_hppa_vec;
566
extern const bfd_target bfd_elf64_ia64_aix_big_vec;
567
extern const bfd_target bfd_elf64_ia64_aix_little_vec;
568
extern const bfd_target bfd_elf64_ia64_big_vec;
569
extern const bfd_target bfd_elf64_ia64_little_vec;
570
extern const bfd_target bfd_elf64_little_generic_vec;
571
extern const bfd_target bfd_elf64_littlemips_vec;
572
extern const bfd_target bfd_elf64_tradbigmips_vec;
573
extern const bfd_target bfd_elf64_tradlittlemips_vec;
574
extern const bfd_target bfd_elf64_s390_vec;
575
extern const bfd_target bfd_elf64_sparc_vec;
576
extern const bfd_target bfd_elf64_x86_64_vec;
577
extern const bfd_target bfd_powerpc_pe_vec;
578
extern const bfd_target bfd_powerpc_pei_vec;
579
extern const bfd_target bfd_powerpcle_pe_vec;
580
extern const bfd_target bfd_powerpcle_pei_vec;
581
extern const bfd_target cris_aout_vec;
582
extern const bfd_target demo_64_vec;
583
extern const bfd_target ecoff_big_vec;
584
extern const bfd_target ecoff_biglittle_vec;
585
extern const bfd_target ecoff_little_vec;
586
extern const bfd_target ecoffalpha_little_vec;
587
extern const bfd_target go32coff_vec;
588
extern const bfd_target go32stubbedcoff_vec;
589
extern const bfd_target h8300coff_vec;
590
extern const bfd_target h8500coff_vec;
591
extern const bfd_target host_aout_vec;
592
extern const bfd_target hp300bsd_vec;
593
extern const bfd_target hp300hpux_vec;
594
extern const bfd_target i386aout_vec;
595
extern const bfd_target i386bsd_vec;
596
extern const bfd_target i386coff_vec;
597
extern const bfd_target i386dynix_vec;
598
extern const bfd_target i386freebsd_vec;
599
extern const bfd_target i386linux_vec;
600
extern const bfd_target i386lynx_aout_vec;
601
extern const bfd_target i386lynx_coff_vec;
602
extern const bfd_target i386mach3_vec;
603
extern const bfd_target i386msdos_vec;
604
extern const bfd_target i386netbsd_vec;
605
extern const bfd_target i386os9k_vec;
606
extern const bfd_target i386pe_vec;
607
extern const bfd_target i386pei_vec;
608
extern const bfd_target i860coff_vec;
609
extern const bfd_target icoff_big_vec;
610
extern const bfd_target icoff_little_vec;
611
extern const bfd_target ieee_vec;
612
extern const bfd_target m68k4knetbsd_vec;
613
extern const bfd_target m68kaux_coff_vec;
614
extern const bfd_target m68kcoff_vec;
615
extern const bfd_target m68kcoffun_vec;
616
extern const bfd_target m68klinux_vec;
617
extern const bfd_target m68klynx_aout_vec;
618
extern const bfd_target m68klynx_coff_vec;
619
extern const bfd_target m68knetbsd_vec;
620
extern const bfd_target m68ksysvcoff_vec;
621
extern const bfd_target m88kbcs_vec;
622
extern const bfd_target m88kmach3_vec;
623
extern const bfd_target mcore_pe_big_vec;
624
extern const bfd_target mcore_pe_little_vec;
625
extern const bfd_target mcore_pei_big_vec;
626
extern const bfd_target mcore_pei_little_vec;
627
extern const bfd_target mipslpe_vec;
628
extern const bfd_target mipslpei_vec;
629
extern const bfd_target newsos3_vec;
630
extern const bfd_target nlm32_alpha_vec;
631
extern const bfd_target nlm32_i386_vec;
632
extern const bfd_target nlm32_powerpc_vec;
633
extern const bfd_target nlm32_sparc_vec;
634
extern const bfd_target oasys_vec;
635
extern const bfd_target or32coff_big_vec;
636
extern const bfd_target pc532machaout_vec;
637
extern const bfd_target pc532netbsd_vec;
638
extern const bfd_target pdp11_aout_vec;
639
extern const bfd_target pmac_xcoff_vec;
640
extern const bfd_target ppcboot_vec;
641
extern const bfd_target riscix_vec;
642
extern const bfd_target rs6000coff64_vec;
643
extern const bfd_target rs6000coff_vec;
644
extern const bfd_target shcoff_small_vec;
645
extern const bfd_target shcoff_vec;
646
extern const bfd_target shlcoff_small_vec;
647
extern const bfd_target shlcoff_vec;
648
extern const bfd_target shlpe_vec;
649
extern const bfd_target shlpei_vec;
650
extern const bfd_target som_vec;
651
extern const bfd_target sparccoff_vec;
652
extern const bfd_target sparcle_aout_vec;
653
extern const bfd_target sparclinux_vec;
654
extern const bfd_target sparclynx_aout_vec;
655
extern const bfd_target sparclynx_coff_vec;
656
extern const bfd_target sparcnetbsd_vec;
657
extern const bfd_target sunos_big_vec;
658
extern const bfd_target tekhex_vec;
659
extern const bfd_target tic30_aout_vec;
660
extern const bfd_target tic30_coff_vec;
661
extern const bfd_target tic54x_coff0_beh_vec;
662
extern const bfd_target tic54x_coff0_vec;
663
extern const bfd_target tic54x_coff1_beh_vec;
664
extern const bfd_target tic54x_coff1_vec;
665
extern const bfd_target tic54x_coff2_beh_vec;
666
extern const bfd_target tic54x_coff2_vec;
667
extern const bfd_target tic80coff_vec;
668
extern const bfd_target vaxnetbsd_vec;
669
extern const bfd_target versados_vec;
670
extern const bfd_target vms_alpha_vec;
671
extern const bfd_target vms_vax_vec;
672
extern const bfd_target w65_vec;
673
extern const bfd_target we32kcoff_vec;
674
extern const bfd_target z8kcoff_vec;
675
 
676
/* srec is always included.  */
677
extern const bfd_target srec_vec;
678
extern const bfd_target symbolsrec_vec;
679
 
680
/* binary is always included.  */
681
extern const bfd_target binary_vec;
682
 
683
/* ihex is always included.  */
684
extern const bfd_target ihex_vec;
685
 
686
/* All of the xvecs for core files.  */
687
extern const bfd_target aix386_core_vec;
688
extern const bfd_target cisco_core_big_vec;
689
extern const bfd_target cisco_core_little_vec;
690
extern const bfd_target hpux_core_vec;
691
extern const bfd_target hppabsd_core_vec;
692
extern const bfd_target irix_core_vec;
693
extern const bfd_target netbsd_core_vec;
694
extern const bfd_target osf_core_vec;
695
extern const bfd_target sco5_core_vec;
696
extern const bfd_target trad_core_vec;
697
extern const bfd_target ptrace_core_vec;
698
 
699
static const bfd_target * const _bfd_target_vector[] = {
700
 
701
#ifdef SELECT_VECS
702
 
703
        SELECT_VECS,
704
 
705
#else /* not SELECT_VECS */
706
 
707
#ifdef DEFAULT_VECTOR
708
        &DEFAULT_VECTOR,
709
#endif
710
        /* This list is alphabetized to make it easy to compare
711
           with other vector lists -- the decls above and
712
           the case statement in configure.in.
713
           Vectors that don't compile on all systems, or aren't finished,
714
           should have an entry here with #if 0 around it, to show that
715
           it wasn't omitted by mistake.  */
716
        &a29kcoff_big_vec,
717
        &a_out_adobe_vec,
718
#if 0                           /* No one seems to use this.  */
719
        &aout_mips_big_vec,
720
#endif
721
        &aout_mips_little_vec,
722
        &b_out_vec_big_host,
723
        &b_out_vec_little_host,
724
 
725
        &bfd_efi_app_ia32_vec,
726
#ifdef BFD64
727
        &bfd_efi_app_ia64_vec,
728
#endif
729
 
730
        /* This, and other vectors, may not be used in any *.mt configuration.
731
           But that does not mean they are unnecessary.  If configured with
732
           --enable-targets=all, objdump or gdb should be able to examine
733
           the file even if we don't recognize the machine type.  */
734
        &bfd_elf32_big_generic_vec,
735
#ifdef BFD64
736
        &bfd_elf64_alpha_vec,
737
        &bfd_elf64_hppa_vec,
738
        &bfd_elf64_hppa_linux_vec,
739
        &bfd_elf64_ia64_aix_little_vec,
740
        &bfd_elf64_ia64_aix_big_vec,
741
        &bfd_elf64_ia64_little_vec,
742
        &bfd_elf64_ia64_big_vec,
743
#endif
744
        &bfd_elf32_avr_vec,
745
        &bfd_elf32_bigarc_vec,
746
        &bfd_elf32_bigarm_vec,
747
        &bfd_elf32_bigarm_oabi_vec,
748
        &bfd_elf32_bigmips_vec,
749
#ifdef BFD64
750
        &bfd_elf64_bigmips_vec,
751
#endif
752
        &bfd_elf32_cris_vec,
753
        &bfd_elf32_us_cris_vec,
754
        &bfd_elf32_d10v_vec,
755
        &bfd_elf32_d30v_vec,
756
        &bfd_elf32_hppa_vec,
757
        &bfd_elf32_hppa_linux_vec,
758
        &bfd_elf32_i370_vec,
759
        &bfd_elf32_i386_vec,
760
#ifdef BFD64
761
        &bfd_elf64_x86_64_vec,
762
#endif
763
        &bfd_elf32_i860_vec,
764
        &bfd_elf32_i860_little_vec,
765
        &bfd_elf32_i960_vec,
766
        &bfd_elf32_little_generic_vec,
767
        &bfd_elf32_littlearc_vec,
768
        &bfd_elf32_littlearm_vec,
769
        &bfd_elf32_littlearm_oabi_vec,
770
        &bfd_elf32_littlemips_vec,
771
#ifdef BFD64
772
        &bfd_elf64_littlemips_vec,
773
#endif
774
        &bfd_elf32_m32r_vec,
775
        &bfd_elf32_mn10200_vec,
776
        &bfd_elf32_mn10300_vec,
777
        &bfd_elf32_m68hc11_vec,
778
        &bfd_elf32_m68hc12_vec,
779
        &bfd_elf32_m68k_vec,
780
        &bfd_elf32_m88k_vec,
781
        &bfd_elf32_openrisc_vec,
782
        &bfd_elf32_pj_vec,
783
        &bfd_elf32_pjl_vec,
784
        &bfd_elf32_powerpc_vec,
785
        &bfd_elf32_powerpcle_vec,
786
        &bfd_elf32_sparc_vec,
787
        &bfd_elf32_v850_vec,
788
        &bfd_elf32_fr30_vec,
789
        &bfd_elf32_mcore_big_vec,
790
        &bfd_elf32_mcore_little_vec,
791
        &bfd_elf32_tradbigmips_vec,
792
        &bfd_elf32_tradlittlemips_vec,
793
 
794
        /* Entries for the OpenRISC family.  */
795
  &or32coff_big_vec,
796
 
797
#ifdef BFD64
798
        &bfd_elf64_tradbigmips_vec,
799
        &bfd_elf64_tradlittlemips_vec,
800
        /* No one seems to use this.  */
801
        &bfd_elf64_big_generic_vec,
802
        &bfd_elf64_little_generic_vec,
803
#endif
804
#if 0
805
        &bfd_elf64_sparc_vec,
806
#endif
807
        /* We don't include cisco_core_*_vec.  Although it has a magic number,
808
           the magic number isn't at the beginning of the file, and thus
809
           might spuriously match other kinds of files.  */
810
 
811
        &cris_aout_vec,
812
#ifdef BFD64
813
        &demo_64_vec,   /* Only compiled if host has long-long support */
814
#endif
815
        &ecoff_big_vec,
816
        &ecoff_little_vec,
817
        &ecoff_biglittle_vec,
818
#ifdef BFD64
819
        &ecoffalpha_little_vec,
820
#endif
821
        &h8300coff_vec,
822
        &h8500coff_vec,
823
#if 0
824
        /* Since a.out files lack decent magic numbers, no way to recognize
825
           which kind of a.out file it is.  */
826
        &host_aout_vec,
827
#endif
828
#if 0                           /* Clashes with sunos_big_vec magic no.  */
829
        &hp300bsd_vec,
830
#endif
831
        &hp300hpux_vec,
832
#if defined (HOST_HPPAHPUX) || defined (HOST_HPPABSD) || defined (HOST_HPPAOSF)
833
        &som_vec,
834
#endif
835
        &i386aout_vec,
836
        &i386bsd_vec,
837
        &i386coff_vec,
838
        &i386freebsd_vec,
839
        &i860coff_vec,
840
        &bfd_powerpc_pe_vec,
841
        &bfd_powerpcle_pe_vec,
842
        &bfd_powerpc_pei_vec,
843
        &bfd_powerpcle_pei_vec,
844
        &go32coff_vec,
845
        &go32stubbedcoff_vec,
846
#if 0
847
        /* Since a.out files lack decent magic numbers, no way to recognize
848
           which kind of a.out file it is.  */
849
        &i386linux_vec,
850
#endif
851
        &i386lynx_aout_vec,
852
        &i386lynx_coff_vec,
853
#if 0
854
        /* No distinguishing features for Mach 3 executables.  */
855
        &i386mach3_vec,
856
#endif
857
        &i386msdos_vec,
858
        &i386netbsd_vec,
859
        &i386os9k_vec,
860
        &i386pe_vec,
861
        &i386pei_vec,
862
        &armcoff_little_vec,
863
        &armcoff_big_vec,
864
        &armnetbsd_vec,
865
        &armpe_little_vec,
866
        &armpe_big_vec,
867
        &armpei_little_vec,
868
        &armpei_big_vec,
869
        &arm_epoc_pe_little_vec,
870
        &arm_epoc_pe_big_vec,
871
        &arm_epoc_pei_little_vec,
872
        &arm_epoc_pei_big_vec,
873
        &icoff_big_vec,
874
        &icoff_little_vec,
875
        &ieee_vec,
876
        &m68kcoff_vec,
877
        &m68kcoffun_vec,
878
#if 0
879
        /* Since a.out files lack decent magic numbers, no way to recognize
880
           which kind of a.out file it is.  */
881
        &m68klinux_vec,
882
#endif
883
        &m68klynx_aout_vec,
884
        &m68klynx_coff_vec,
885
        &m68knetbsd_vec,
886
        &m68ksysvcoff_vec,
887
        &m88kbcs_vec,
888
        &m88kmach3_vec,
889
        &mcore_pe_big_vec,
890
        &mcore_pe_little_vec,
891
        &mcore_pei_big_vec,
892
        &mcore_pei_little_vec,
893
        &newsos3_vec,
894
        &nlm32_i386_vec,
895
        &nlm32_sparc_vec,
896
#ifdef BFD64
897
        &nlm32_alpha_vec,
898
#endif
899
        &pc532netbsd_vec,
900
#if 0
901
        /* We have no oasys tools anymore, so we can't test any of this
902
           anymore. If you want to test the stuff yourself, go ahead...
903
           steve@cygnus.com
904
           Worse, since there is no magic number for archives, there
905
           can be annoying target mis-matches.  */
906
        &oasys_vec,
907
#endif
908
        &pc532machaout_vec,
909
        &pdp11_aout_vec,
910
#if 0
911
        /* We have no way of distinguishing these from other a.out variants */
912
        &aout_arm_big_vec,
913
        &aout_arm_little_vec,
914
        &riscix_vec,
915
#endif
916
#if 0
917
        /* This has the same magic number as RS/6000.  */
918
        &pmac_xcoff_vec,
919
#endif
920
        &rs6000coff_vec,
921
#ifdef BFD64
922
        &rs6000coff64_vec,
923
#endif
924
        &ppcboot_vec,
925
        &shcoff_vec,
926
        &shlcoff_vec,
927
        &shcoff_small_vec,
928
        &shlcoff_small_vec,
929
        &sparcle_aout_vec,
930
        &sparclinux_vec,
931
        &sparclynx_aout_vec,
932
        &sparclynx_coff_vec,
933
        &sparcnetbsd_vec,
934
        &sunos_big_vec,
935
        &aout0_big_vec,
936
        &tic30_aout_vec,
937
        &tic30_coff_vec,
938
        &tic54x_coff0_vec,
939
        &tic54x_coff0_beh_vec,
940
        &tic54x_coff1_vec,
941
        &tic54x_coff1_beh_vec,
942
        &tic54x_coff2_vec,
943
        &tic54x_coff2_beh_vec,
944
        &tic80coff_vec,
945
        &vaxnetbsd_vec,
946
        &versados_vec,
947
#ifdef BFD64
948
        &vms_alpha_vec,
949
#endif
950
        &vms_vax_vec,
951
        &we32kcoff_vec,
952
        &z8kcoff_vec,
953
        &bfd_elf32_s390_vec,
954
#ifdef BFD64
955
        &bfd_elf64_s390_vec,
956
#endif
957
#endif /* not SELECT_VECS */
958
 
959
/* Always support S-records, for convenience.  */
960
        &srec_vec,
961
        &symbolsrec_vec,
962
/* And tekhex */
963
        &tekhex_vec,
964
/* Likewise for binary output.  */
965
        &binary_vec,
966
/* Likewise for ihex.  */
967
        &ihex_vec,
968
 
969
/* Add any required traditional-core-file-handler.  */
970
 
971
#ifdef AIX386_CORE
972
        &aix386_core_vec,
973
#endif
974
#ifdef HPUX_CORE
975
        &hpux_core_vec,
976
#endif
977
#ifdef HPPABSD_CORE
978
        &hppabsd_core_vec,
979
#endif
980
#ifdef IRIX_CORE
981
        &irix_core_vec,
982
#endif
983
#ifdef NETBSD_CORE
984
        &netbsd_core_vec,
985
#endif
986
#ifdef OSF_CORE
987
        &osf_core_vec,
988
#endif
989
#ifdef SCO5_CORE
990
        &sco5_core_vec,
991
#endif
992
#ifdef  TRAD_CORE
993
        &trad_core_vec,
994
#endif
995
 
996
#ifdef  PTRACE_CORE
997
        &ptrace_core_vec,
998
#endif
999
 
1000
        NULL /* end of list marker */
1001
};
1002
const bfd_target * const *bfd_target_vector = _bfd_target_vector;
1003
 
1004
/* bfd_default_vector[0] contains either the address of the default vector,
1005
   if there is one, or zero if there isn't.  */
1006
 
1007
const bfd_target *bfd_default_vector[] = {
1008
#ifdef DEFAULT_VECTOR
1009
        &DEFAULT_VECTOR,
1010
#endif
1011
        NULL
1012
};
1013
 
1014
/* When there is an ambiguous match, bfd_check_format_matches puts the
1015
   names of the matching targets in an array.  This variable is the maximum
1016
   number of entries that the array could possibly need.  */
1017
const size_t _bfd_target_vector_entries = sizeof (_bfd_target_vector)/sizeof (*_bfd_target_vector);
1018
 
1019
/* This array maps configuration triplets onto BFD vectors.  */
1020
 
1021
struct targmatch
1022
{
1023
  /* The configuration triplet.  */
1024
  const char *triplet;
1025
  /* The BFD vector.  If this is NULL, then the vector is found by
1026
     searching forward for the next structure with a non NULL vector
1027
     field.  */
1028
  const bfd_target *vector;
1029
};
1030
 
1031
/* targmatch.h is built by Makefile out of config.bfd.  */
1032
static const struct targmatch bfd_target_match[] = {
1033
#include "targmatch.h"
1034
  { NULL, NULL }
1035
};
1036
 
1037
static const bfd_target *find_target PARAMS ((const char *));
1038
 
1039
/* Find a target vector, given a name or configuration triplet.  */
1040
 
1041
static const bfd_target *
1042
find_target (name)
1043
     const char *name;
1044
{
1045
  const bfd_target * const *target;
1046
  const struct targmatch *match;
1047
 
1048
  for (target = &bfd_target_vector[0]; *target != NULL; target++)
1049
    if (strcmp (name, (*target)->name) == 0)
1050
      return *target;
1051
 
1052
  /* If we couldn't match on the exact name, try matching on the
1053
     configuration triplet.  FIXME: We should run the triplet through
1054
     config.sub first, but that is hard.  */
1055
  for (match = &bfd_target_match[0]; match->triplet != NULL; match++)
1056
    {
1057
      if (fnmatch (match->triplet, name, 0) == 0)
1058
        {
1059
          while (match->vector == NULL)
1060
            ++match;
1061
          return match->vector;
1062
          break;
1063
        }
1064
    }
1065
 
1066
  bfd_set_error (bfd_error_invalid_target);
1067
  return NULL;
1068
}
1069
 
1070
/*
1071
FUNCTION
1072
        bfd_set_default_target
1073
 
1074
SYNOPSIS
1075
        boolean bfd_set_default_target (const char *name);
1076
 
1077
DESCRIPTION
1078
        Set the default target vector to use when recognizing a BFD.
1079
        This takes the name of the target, which may be a BFD target
1080
        name or a configuration triplet.
1081
*/
1082
 
1083
boolean
1084
bfd_set_default_target (name)
1085
     const char *name;
1086
{
1087
  const bfd_target *target;
1088
 
1089
  if (bfd_default_vector[0] != NULL
1090
      && strcmp (name, bfd_default_vector[0]->name) == 0)
1091
    return true;
1092
 
1093
  target = find_target (name);
1094
  if (target == NULL)
1095
    return false;
1096
 
1097
  bfd_default_vector[0] = target;
1098
  return true;
1099
}
1100
 
1101
/*
1102
FUNCTION
1103
        bfd_find_target
1104
 
1105
SYNOPSIS
1106
        const bfd_target *bfd_find_target(CONST char *target_name, bfd *abfd);
1107
 
1108
DESCRIPTION
1109
        Return a pointer to the transfer vector for the object target
1110
        named @var{target_name}.  If @var{target_name} is <<NULL>>, choose the
1111
        one in the environment variable <<GNUTARGET>>; if that is null or not
1112
        defined, then choose the first entry in the target list.
1113
        Passing in the string "default" or setting the environment
1114
        variable to "default" will cause the first entry in the target
1115
        list to be returned, and "target_defaulted" will be set in the
1116
        BFD.  This causes <<bfd_check_format>> to loop over all the
1117
        targets to find the one that matches the file being read.
1118
*/
1119
 
1120
const bfd_target *
1121
bfd_find_target (target_name, abfd)
1122
     const char *target_name;
1123
     bfd *abfd;
1124
{
1125
  const char *targname;
1126
  const bfd_target *target;
1127
 
1128
  if (target_name != NULL)
1129
    targname = target_name;
1130
  else
1131
    targname = getenv ("GNUTARGET");
1132
 
1133
  /* This is safe; the vector cannot be null */
1134
  if (targname == NULL || strcmp (targname, "default") == 0)
1135
    {
1136
      abfd->target_defaulted = true;
1137
      if (bfd_default_vector[0] != NULL)
1138
        abfd->xvec = bfd_default_vector[0];
1139
      else
1140
        abfd->xvec = bfd_target_vector[0];
1141
      return abfd->xvec;
1142
    }
1143
 
1144
  abfd->target_defaulted = false;
1145
 
1146
  target = find_target (targname);
1147
  if (target == NULL)
1148
    return NULL;
1149
 
1150
  abfd->xvec = target;
1151
  return target;
1152
}
1153
 
1154
/*
1155
FUNCTION
1156
        bfd_target_list
1157
 
1158
SYNOPSIS
1159
        const char **bfd_target_list(void);
1160
 
1161
DESCRIPTION
1162
        Return a freshly malloced NULL-terminated
1163
        vector of the names of all the valid BFD targets. Do not
1164
        modify the names.
1165
 
1166
*/
1167
 
1168
const char **
1169
bfd_target_list ()
1170
{
1171
  int vec_length= 0;
1172
#if defined (HOST_HPPAHPUX) && ! defined (__STDC__)
1173
  /* The native compiler on the HP9000/700 has a bug which causes it
1174
     to loop endlessly when compiling this file.  This avoids it.  */
1175
  volatile
1176
#endif
1177
    const bfd_target * const *target;
1178
  CONST  char **name_list, **name_ptr;
1179
 
1180
  for (target = &bfd_target_vector[0]; *target != NULL; target++)
1181
    vec_length++;
1182
 
1183
  name_ptr = name_list = (CONST char **)
1184
    bfd_zmalloc ((vec_length + 1) * sizeof (char **));
1185
 
1186
  if (name_list == NULL)
1187
    return NULL;
1188
 
1189
  for (target = &bfd_target_vector[0]; *target != NULL; target++)
1190
    *(name_ptr++) = (*target)->name;
1191
 
1192
  return name_list;
1193
}
1194
 
1195
/*
1196
FUNCTION
1197
        bfd_seach_for_target
1198
 
1199
SYNOPSIS
1200
        const bfd_target * bfd_search_for_target (int (* search_func) (const bfd_target *, void *), void *);
1201
 
1202
DESCRIPTION
1203
        Return a pointer to the first transfer vector in the list of
1204
        transfer vectors maintained by BFD that produces a non-zero
1205
        result when passed to the function @var{search_func}.  The
1206
        parameter @var{data} is passed, unexamined, to the search
1207
        function.
1208
*/
1209
 
1210
const bfd_target *
1211
bfd_search_for_target (search_func, data)
1212
     int (* search_func) PARAMS ((const bfd_target * target, void * data));
1213
     void * data;
1214
{
1215
  const bfd_target * const * target;
1216
 
1217
  for (target = bfd_target_vector; * target != NULL; target ++)
1218
    if (search_func (* target, data))
1219
      return * target;
1220
 
1221
  return NULL;
1222
}

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