projects / deliverable / binutils-gdb.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
2009-11-17 H.J. Lu <hongjiu.lu@intel.com>
[deliverable/binutils-gdb.git] / bfd / libbfd-in.h
... / ...
CommitLineData
1/* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
3
4 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
5 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
6 Free Software Foundation, Inc.
7
8 Written by Cygnus Support.
9
10 This file is part of BFD, the Binary File Descriptor library.
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
25 MA 02110-1301, USA. */
26
27#include "hashtab.h"
28
29/* Align an address upward to a boundary, expressed as a number of bytes.
30 E.g. align to an 8-byte boundary with argument of 8. Take care never
31 to wrap around if the address is within boundary-1 of the end of the
32 address space. */
33#define BFD_ALIGN(this, boundary) \
34 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
35 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
36 : ~ (bfd_vma) 0)
37
38/* If you want to read and write large blocks, you might want to do it
39 in quanta of this amount */
40#define DEFAULT_BUFFERSIZE 8192
41
42/* Set a tdata field. Can't use the other macros for this, since they
43 do casts, and casting to the left of assignment isn't portable. */
44#define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
45
46/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
47 to an instance of this structure. */
48
49struct bfd_in_memory
50{
51 /* Size of buffer. */
52 bfd_size_type size;
53 /* Buffer holding contents of BFD. */
54 bfd_byte *buffer;
55};
56
57struct section_hash_entry
58{
59 struct bfd_hash_entry root;
60 asection section;
61};
62
63/* tdata for an archive. For an input archive, cache
64 needs to be free()'d. For an output archive, symdefs do. */
65
66struct artdata {
67 file_ptr first_file_filepos;
68 /* Speed up searching the armap */
69 htab_t cache;
70 bfd *archive_head; /* Only interesting in output routines */
71 carsym *symdefs; /* the symdef entries */
72 symindex symdef_count; /* how many there are */
73 char *extended_names; /* clever intel extension */
74 bfd_size_type extended_names_size; /* Size of extended names */
75 /* when more compilers are standard C, this can be a time_t */
76 long armap_timestamp; /* Timestamp value written into armap.
77 This is used for BSD archives to check
78 that the timestamp is recent enough
79 for the BSD linker to not complain,
80 just before we finish writing an
81 archive. */
82 file_ptr armap_datepos; /* Position within archive to seek to
83 rewrite the date field. */
84 void *tdata; /* Backend specific information. */
85};
86
87#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
88
89/* Goes in bfd's arelt_data slot */
90struct areltdata {
91 char * arch_header; /* it's actually a string */
92 unsigned int parsed_size; /* octets of filesize not including ar_hdr */
93 char *filename; /* null-terminated */
94 file_ptr origin; /* for element of a thin archive */
95};
96
97#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
98
99extern void *bfd_malloc
100 (bfd_size_type);
101extern void *bfd_realloc
102 (void *, bfd_size_type);
103extern void *bfd_realloc_or_free
104 (void *, bfd_size_type);
105extern void *bfd_zmalloc
106 (bfd_size_type);
107extern void *bfd_malloc2
108 (bfd_size_type, bfd_size_type);
109extern void *bfd_realloc2
110 (void *, bfd_size_type, bfd_size_type);
111extern void *bfd_zmalloc2
112 (bfd_size_type, bfd_size_type);
113
114extern void _bfd_default_error_handler (const char *s, ...);
115extern bfd_error_handler_type _bfd_error_handler;
116
117/* These routines allocate and free things on the BFD's objalloc. */
118
119extern void *bfd_alloc
120 (bfd *, bfd_size_type);
121extern void *bfd_zalloc
122 (bfd *, bfd_size_type);
123extern void *bfd_alloc2
124 (bfd *, bfd_size_type, bfd_size_type);
125extern void *bfd_zalloc2
126 (bfd *, bfd_size_type, bfd_size_type);
127extern void bfd_release
128 (bfd *, void *);
129
130bfd * _bfd_create_empty_archive_element_shell
131 (bfd *obfd);
132bfd * _bfd_look_for_bfd_in_cache
133 (bfd *, file_ptr);
134bfd_boolean _bfd_add_bfd_to_archive_cache
135 (bfd *, file_ptr, bfd *);
136bfd_boolean _bfd_generic_mkarchive
137 (bfd *abfd);
138const bfd_target *bfd_generic_archive_p
139 (bfd *abfd);
140bfd_boolean bfd_slurp_armap
141 (bfd *abfd);
142bfd_boolean bfd_slurp_bsd_armap_f2
143 (bfd *abfd);
144#define bfd_slurp_bsd_armap bfd_slurp_armap
145#define bfd_slurp_coff_armap bfd_slurp_armap
146bfd_boolean _bfd_slurp_extended_name_table
147 (bfd *abfd);
148extern bfd_boolean _bfd_construct_extended_name_table
149 (bfd *, bfd_boolean, char **, bfd_size_type *);
150bfd_boolean _bfd_write_archive_contents
151 (bfd *abfd);
152bfd_boolean _bfd_compute_and_write_armap
153 (bfd *, unsigned int elength);
154bfd *_bfd_get_elt_at_filepos
155 (bfd *archive, file_ptr filepos);
156extern bfd *_bfd_generic_get_elt_at_index
157 (bfd *, symindex);
158bfd * _bfd_new_bfd
159 (void);
160void _bfd_delete_bfd
161 (bfd *);
162bfd_boolean _bfd_free_cached_info
163 (bfd *);
164
165bfd_boolean bfd_false
166 (bfd *ignore);
167bfd_boolean bfd_true
168 (bfd *ignore);
169void *bfd_nullvoidptr
170 (bfd *ignore);
171int bfd_0
172 (bfd *ignore);
173unsigned int bfd_0u
174 (bfd *ignore);
175long bfd_0l
176 (bfd *ignore);
177long _bfd_n1
178 (bfd *ignore);
179void bfd_void
180 (bfd *ignore);
181
182bfd *_bfd_new_bfd_contained_in
183 (bfd *);
184const bfd_target *_bfd_dummy_target
185 (bfd *abfd);
186
187void bfd_dont_truncate_arname
188 (bfd *abfd, const char *filename, char *hdr);
189void bfd_bsd_truncate_arname
190 (bfd *abfd, const char *filename, char *hdr);
191void bfd_gnu_truncate_arname
192 (bfd *abfd, const char *filename, char *hdr);
193
194bfd_boolean bsd_write_armap
195 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
196 int stridx);
197
198bfd_boolean coff_write_armap
199 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
200 int stridx);
201
202extern void *_bfd_generic_read_ar_hdr
203 (bfd *);
204extern void _bfd_ar_spacepad
205 (char *, size_t, const char *, long);
206
207extern void *_bfd_generic_read_ar_hdr_mag
208 (bfd *, const char *);
209
210bfd * bfd_generic_openr_next_archived_file
211 (bfd *archive, bfd *last_file);
212
213int bfd_generic_stat_arch_elt
214 (bfd *, struct stat *);
215
216#define _bfd_read_ar_hdr(abfd) \
217 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
218\f
219/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
220 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
221
222#define _bfd_generic_close_and_cleanup bfd_true
223#define _bfd_generic_bfd_free_cached_info bfd_true
224extern bfd_boolean _bfd_generic_new_section_hook
225 (bfd *, asection *);
226extern bfd_boolean _bfd_generic_get_section_contents
227 (bfd *, asection *, void *, file_ptr, bfd_size_type);
228extern bfd_boolean _bfd_generic_get_section_contents_in_window
229 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
230
231/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
232 BFD_JUMP_TABLE_COPY (_bfd_generic). */
233
234#define _bfd_generic_bfd_copy_private_bfd_data \
235 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
236#define _bfd_generic_bfd_merge_private_bfd_data \
237 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
238#define _bfd_generic_bfd_set_private_flags \
239 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
240#define _bfd_generic_bfd_copy_private_section_data \
241 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
242#define _bfd_generic_bfd_copy_private_symbol_data \
243 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
244#define _bfd_generic_bfd_copy_private_header_data \
245 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
246#define _bfd_generic_bfd_print_private_bfd_data \
247 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
248
249extern bfd_boolean _bfd_generic_init_private_section_data
250 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
251
252/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
253 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
254
255extern char *_bfd_nocore_core_file_failing_command
256 (bfd *);
257extern int _bfd_nocore_core_file_failing_signal
258 (bfd *);
259extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
260 (bfd *, bfd *);
261
262/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
263 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
264
265#define _bfd_noarchive_slurp_armap bfd_false
266#define _bfd_noarchive_slurp_extended_name_table bfd_false
267#define _bfd_noarchive_construct_extended_name_table \
268 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
269 bfd_false)
270#define _bfd_noarchive_truncate_arname \
271 ((void (*) (bfd *, const char *, char *)) bfd_void)
272#define _bfd_noarchive_write_armap \
273 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
274 bfd_false)
275#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
276#define _bfd_noarchive_openr_next_archived_file \
277 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
278#define _bfd_noarchive_get_elt_at_index \
279 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
280#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
281#define _bfd_noarchive_update_armap_timestamp bfd_false
282
283/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
284 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
285
286#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
287#define _bfd_archive_bsd_slurp_extended_name_table \
288 _bfd_slurp_extended_name_table
289extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
290 (bfd *, char **, bfd_size_type *, const char **);
291#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
292#define _bfd_archive_bsd_write_armap bsd_write_armap
293#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
294#define _bfd_archive_bsd_openr_next_archived_file \
295 bfd_generic_openr_next_archived_file
296#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
297#define _bfd_archive_bsd_generic_stat_arch_elt \
298 bfd_generic_stat_arch_elt
299extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
300 (bfd *);
301
302/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
303 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
304
305#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
306#define _bfd_archive_coff_slurp_extended_name_table \
307 _bfd_slurp_extended_name_table
308extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
309 (bfd *, char **, bfd_size_type *, const char **);
310#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
311#define _bfd_archive_coff_write_armap coff_write_armap
312#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
313#define _bfd_archive_coff_openr_next_archived_file \
314 bfd_generic_openr_next_archived_file
315#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
316#define _bfd_archive_coff_generic_stat_arch_elt \
317 bfd_generic_stat_arch_elt
318#define _bfd_archive_coff_update_armap_timestamp bfd_true
319
320/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
321 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
322
323#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
324#define _bfd_nosymbols_canonicalize_symtab \
325 ((long (*) (bfd *, asymbol **)) _bfd_n1)
326#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
327#define _bfd_nosymbols_print_symbol \
328 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
329#define _bfd_nosymbols_get_symbol_info \
330 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
331#define _bfd_nosymbols_bfd_is_local_label_name \
332 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
333#define _bfd_nosymbols_bfd_is_target_special_symbol \
334 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
335#define _bfd_nosymbols_get_lineno \
336 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
337#define _bfd_nosymbols_find_nearest_line \
338 ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \
339 const char **, unsigned int *)) \
340 bfd_false)
341#define _bfd_nosymbols_find_inliner_info \
342 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
343 bfd_false)
344#define _bfd_nosymbols_bfd_make_debug_symbol \
345 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
346#define _bfd_nosymbols_read_minisymbols \
347 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
348#define _bfd_nosymbols_minisymbol_to_symbol \
349 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
350 bfd_nullvoidptr)
351
352/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
353 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
354
355extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
356extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
357 arelent **, asymbol **);
358#define _bfd_norelocs_bfd_reloc_type_lookup \
359 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
360#define _bfd_norelocs_bfd_reloc_name_lookup \
361 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
362
363/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
364 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
365
366#define _bfd_nowrite_set_arch_mach \
367 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
368 bfd_false)
369#define _bfd_nowrite_set_section_contents \
370 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
371 bfd_false)
372
373/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
374 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
375
376#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
377extern bfd_boolean _bfd_generic_set_section_contents
378 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
379
380/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
381 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
382
383#define _bfd_nolink_sizeof_headers \
384 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
385#define _bfd_nolink_bfd_get_relocated_section_contents \
386 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
387 bfd_byte *, bfd_boolean, asymbol **)) \
388 bfd_nullvoidptr)
389#define _bfd_nolink_bfd_relax_section \
390 ((bfd_boolean (*) \
391 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
392 bfd_false)
393#define _bfd_nolink_bfd_gc_sections \
394 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
395 bfd_false)
396#define _bfd_nolink_bfd_merge_sections \
397 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
398 bfd_false)
399#define _bfd_nolink_bfd_is_group_section \
400 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
401 bfd_false)
402#define _bfd_nolink_bfd_discard_group \
403 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
404 bfd_false)
405#define _bfd_nolink_bfd_link_hash_table_create \
406 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
407#define _bfd_nolink_bfd_link_hash_table_free \
408 ((void (*) (struct bfd_link_hash_table *)) bfd_void)
409#define _bfd_nolink_bfd_link_add_symbols \
410 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
411#define _bfd_nolink_bfd_link_just_syms \
412 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
413#define _bfd_nolink_bfd_final_link \
414 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
415#define _bfd_nolink_bfd_link_split_section \
416 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
417#define _bfd_nolink_section_already_linked \
418 ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void)
419#define _bfd_nolink_bfd_define_common_symbol \
420 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
421 struct bfd_link_hash_entry *)) bfd_false)
422
423/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
424 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
425 (_bfd_nodynamic). */
426
427#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
428#define _bfd_nodynamic_canonicalize_dynamic_symtab \
429 ((long (*) (bfd *, asymbol **)) _bfd_n1)
430#define _bfd_nodynamic_get_synthetic_symtab \
431 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
432#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
433#define _bfd_nodynamic_canonicalize_dynamic_reloc \
434 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
435\f
436/* Generic routine to determine of the given symbol is a local
437 label. */
438extern bfd_boolean bfd_generic_is_local_label_name
439 (bfd *, const char *);
440
441/* Generic minisymbol routines. */
442extern long _bfd_generic_read_minisymbols
443 (bfd *, bfd_boolean, void **, unsigned int *);
444extern asymbol *_bfd_generic_minisymbol_to_symbol
445 (bfd *, bfd_boolean, const void *, asymbol *);
446
447/* Find the nearest line using .stab/.stabstr sections. */
448extern bfd_boolean _bfd_stab_section_find_nearest_line
449 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
450 const char **, const char **, unsigned int *, void **);
451
452/* Find the nearest line using DWARF 1 debugging information. */
453extern bfd_boolean _bfd_dwarf1_find_nearest_line
454 (bfd *, asection *, asymbol **, bfd_vma, const char **,
455 const char **, unsigned int *);
456
457/* Find the nearest line using DWARF 2 debugging information. */
458extern bfd_boolean _bfd_dwarf2_find_nearest_line
459 (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **,
460 unsigned int *, unsigned int, void **);
461
462/* Find the line using DWARF 2 debugging information. */
463extern bfd_boolean _bfd_dwarf2_find_line
464 (bfd *, asymbol **, asymbol *, const char **,
465 unsigned int *, unsigned int, void **);
466
467bfd_boolean _bfd_generic_find_line
468 (bfd *, asymbol **, asymbol *, const char **, unsigned int *);
469
470/* Find inliner info after calling bfd_find_nearest_line. */
471extern bfd_boolean _bfd_dwarf2_find_inliner_info
472 (bfd *, const char **, const char **, unsigned int *, void **);
473
474/* Create a new section entry. */
475extern struct bfd_hash_entry *bfd_section_hash_newfunc
476 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
477
478/* A routine to create entries for a bfd_link_hash_table. */
479extern struct bfd_hash_entry *_bfd_link_hash_newfunc
480 (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
481 const char *string);
482
483/* Initialize a bfd_link_hash_table. */
484extern bfd_boolean _bfd_link_hash_table_init
485 (struct bfd_link_hash_table *, bfd *,
486 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
487 struct bfd_hash_table *,
488 const char *),
489 unsigned int);
490
491/* Generic link hash table creation routine. */
492extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
493 (bfd *);
494
495/* Generic link hash table destruction routine. */
496extern void _bfd_generic_link_hash_table_free
497 (struct bfd_link_hash_table *);
498
499/* Generic add symbol routine. */
500extern bfd_boolean _bfd_generic_link_add_symbols
501 (bfd *, struct bfd_link_info *);
502
503/* Generic add symbol routine. This version is used by targets for
504 which the linker must collect constructors and destructors by name,
505 as the collect2 program does. */
506extern bfd_boolean _bfd_generic_link_add_symbols_collect
507 (bfd *, struct bfd_link_info *);
508
509/* Generic archive add symbol routine. */
510extern bfd_boolean _bfd_generic_link_add_archive_symbols
511 (bfd *, struct bfd_link_info *,
512 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *));
513
514/* Forward declaration to avoid prototype errors. */
515typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
516
517/* Generic routine to add a single symbol. */
518extern bfd_boolean _bfd_generic_link_add_one_symbol
519 (struct bfd_link_info *, bfd *, const char *name, flagword,
520 asection *, bfd_vma, const char *, bfd_boolean copy,
521 bfd_boolean constructor, struct bfd_link_hash_entry **);
522
523/* Generic routine to mark section as supplying symbols only. */
524extern void _bfd_generic_link_just_syms
525 (asection *, struct bfd_link_info *);
526
527/* Generic link routine. */
528extern bfd_boolean _bfd_generic_final_link
529 (bfd *, struct bfd_link_info *);
530
531extern bfd_boolean _bfd_generic_link_split_section
532 (bfd *, struct bfd_section *);
533
534extern void _bfd_generic_section_already_linked
535 (bfd *, struct bfd_section *, struct bfd_link_info *);
536
537/* Generic reloc_link_order processing routine. */
538extern bfd_boolean _bfd_generic_reloc_link_order
539 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
540
541/* Default link order processing routine. */
542extern bfd_boolean _bfd_default_link_order
543 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
544
545/* Count the number of reloc entries in a link order list. */
546extern unsigned int _bfd_count_link_order_relocs
547 (struct bfd_link_order *);
548
549/* Final link relocation routine. */
550extern bfd_reloc_status_type _bfd_final_link_relocate
551 (reloc_howto_type *, bfd *, asection *, bfd_byte *,
552 bfd_vma, bfd_vma, bfd_vma);
553
554/* Relocate a particular location by a howto and a value. */
555extern bfd_reloc_status_type _bfd_relocate_contents
556 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
557
558/* Clear a given location using a given howto. */
559extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
560 bfd_byte *location);
561
562/* Link stabs in sections in the first pass. */
563
564extern bfd_boolean _bfd_link_section_stabs
565 (bfd *, struct stab_info *, asection *, asection *, void **,
566 bfd_size_type *);
567
568/* Eliminate stabs for discarded functions and symbols. */
569extern bfd_boolean _bfd_discard_section_stabs
570 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
571
572/* Write out the .stab section when linking stabs in sections. */
573
574extern bfd_boolean _bfd_write_section_stabs
575 (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
576
577/* Write out the .stabstr string table when linking stabs in sections. */
578
579extern bfd_boolean _bfd_write_stab_strings
580 (bfd *, struct stab_info *);
581
582/* Find an offset within a .stab section when linking stabs in
583 sections. */
584
585extern bfd_vma _bfd_stab_section_offset
586 (asection *, void *, bfd_vma);
587
588/* Register a SEC_MERGE section as a candidate for merging. */
589
590extern bfd_boolean _bfd_add_merge_section
591 (bfd *, void **, asection *, void **);
592
593/* Attempt to merge SEC_MERGE sections. */
594
595extern bfd_boolean _bfd_merge_sections
596 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
597
598/* Write out a merged section. */
599
600extern bfd_boolean _bfd_write_merged_section
601 (bfd *, asection *, void *);
602
603/* Find an offset within a modified SEC_MERGE section. */
604
605extern bfd_vma _bfd_merged_section_offset
606 (bfd *, asection **, void *, bfd_vma);
607
608/* Create a string table. */
609extern struct bfd_strtab_hash *_bfd_stringtab_init
610 (void);
611
612/* Create an XCOFF .debug section style string table. */
613extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
614 (void);
615
616/* Free a string table. */
617extern void _bfd_stringtab_free
618 (struct bfd_strtab_hash *);
619
620/* Get the size of a string table. */
621extern bfd_size_type _bfd_stringtab_size
622 (struct bfd_strtab_hash *);
623
624/* Add a string to a string table. */
625extern bfd_size_type _bfd_stringtab_add
626 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
627
628/* Write out a string table. */
629extern bfd_boolean _bfd_stringtab_emit
630 (bfd *, struct bfd_strtab_hash *);
631
632/* Check that endianness of input and output file match. */
633extern bfd_boolean _bfd_generic_verify_endian_match
634 (bfd *, bfd *);
635\f
636/* Macros to tell if bfds are read or write enabled.
637
638 Note that bfds open for read may be scribbled into if the fd passed
639 to bfd_fdopenr is actually open both for read and write
640 simultaneously. However an output bfd will never be open for
641 read. Therefore sometimes you want to check bfd_read_p or
642 !bfd_read_p, and only sometimes bfd_write_p.
643*/
644
645#define bfd_read_p(abfd) \
646 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
647#define bfd_write_p(abfd) \
648 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
649
650void bfd_assert
651 (const char*,int);
652
653#define BFD_ASSERT(x) \
654 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
655
656#define BFD_FAIL() \
657 do { bfd_assert(__FILE__,__LINE__); } while (0)
658
659extern void _bfd_abort
660 (const char *, int, const char *) ATTRIBUTE_NORETURN;
661
662/* if gcc >= 2.6, we can give a function name, too */
663#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
664#define __PRETTY_FUNCTION__ ((char *) NULL)
665#endif
666
667#undef abort
668#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
669
670/* Manipulate a system FILE but using BFD's "file_ptr", rather than
671 the system "off_t" or "off64_t", as the offset. */
672extern file_ptr real_ftell (FILE *file);
673extern int real_fseek (FILE *file, file_ptr offset, int whence);
674extern FILE *real_fopen (const char *filename, const char *modes);
675
676/* List of supported target vectors, and the default vector (if
677 bfd_default_vector[0] is NULL, there is no default). */
678extern const bfd_target * const *bfd_target_vector;
679extern const bfd_target *bfd_default_vector[];
680
681/* List of associated target vectors. */
682extern const bfd_target * const *bfd_associated_vector;
683
684/* Functions shared by the ECOFF and MIPS ELF backends, which have no
685 other common header files. */
686
687#if defined(__STDC__) || defined(ALMOST_STDC)
688struct ecoff_find_line;
689#endif
690
691extern bfd_boolean _bfd_ecoff_locate_line
692 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
693 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
694 const char **, const char **, unsigned int *);
695extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
696 (void *, bfd_byte *);
697extern bfd_boolean _bfd_ecoff_get_accumulated_sym
698 (void *, bfd_byte *);
699extern bfd_boolean _bfd_ecoff_get_accumulated_ss
700 (void *, bfd_byte *);
701
702extern bfd_vma _bfd_get_gp_value
703 (bfd *);
704extern void _bfd_set_gp_value
705 (bfd *, bfd_vma);
706
707/* Function shared by the COFF and ELF SH backends, which have no
708 other common header files. */
709
710#ifndef _bfd_sh_align_load_span
711extern bfd_boolean _bfd_sh_align_load_span
712 (bfd *, asection *, bfd_byte *,
713 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
714 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
715#endif
716
717/* This is the shape of the elements inside the already_linked hash
718 table. It maps a name onto a list of already_linked elements with
719 the same name. */
720
721struct bfd_section_already_linked_hash_entry
722{
723 struct bfd_hash_entry root;
724 struct bfd_section_already_linked *entry;
725};
726
727struct bfd_section_already_linked
728{
729 struct bfd_section_already_linked *next;
730 asection *sec;
731};
732
733extern struct bfd_section_already_linked_hash_entry *
734 bfd_section_already_linked_table_lookup (const char *);
735extern bfd_boolean bfd_section_already_linked_table_insert
736 (struct bfd_section_already_linked_hash_entry *, asection *);
737extern void bfd_section_already_linked_table_traverse
738 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
739 void *), void *);
740
741extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
742extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
743
GDB Binutils - Deliverables
This page took 0.02888 seconds and 4 git commands to generate.