Allows the binutils to cope with PE binaries where the section addresses have been...
[deliverable/binutils-gdb.git] / bfd / libbfd-in.h
CommitLineData
252b5132
RH
1/* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
7c192733 3
b90efa5b 4 Copyright (C) 1990-2015 Free Software Foundation, Inc.
7c192733 5
252b5132
RH
6 Written by Cygnus Support.
7
cd123cb7
NC
8 This file is part of BFD, the Binary File Descriptor library.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
252b5132 24
109f7096
BE
25#include "hashtab.h"
26
55172d69
PA
27#ifdef __cplusplus
28extern "C" {
29#endif
30
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RH
31/* Align an address upward to a boundary, expressed as a number of bytes.
32 E.g. align to an 8-byte boundary with argument of 8. Take care never
33 to wrap around if the address is within boundary-1 of the end of the
34 address space. */
dc810e39
AM
35#define BFD_ALIGN(this, boundary) \
36 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
37 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
252b5132
RH
38 : ~ (bfd_vma) 0)
39
40/* If you want to read and write large blocks, you might want to do it
41 in quanta of this amount */
42#define DEFAULT_BUFFERSIZE 8192
43
44/* Set a tdata field. Can't use the other macros for this, since they
45 do casts, and casting to the left of assignment isn't portable. */
c58b9523 46#define set_tdata(bfd, v) ((bfd)->tdata.any = (v))
252b5132
RH
47
48/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
49 to an instance of this structure. */
50
51struct bfd_in_memory
52{
53 /* Size of buffer. */
54 bfd_size_type size;
55 /* Buffer holding contents of BFD. */
56 bfd_byte *buffer;
57};
58
66eb6687
AM
59struct section_hash_entry
60{
61 struct bfd_hash_entry root;
62 asection section;
63};
64
252b5132
RH
65/* tdata for an archive. For an input archive, cache
66 needs to be free()'d. For an output archive, symdefs do. */
67
f1bb16f8
NC
68struct artdata
69{
252b5132
RH
70 file_ptr first_file_filepos;
71 /* Speed up searching the armap */
109f7096 72 htab_t cache;
f1bb16f8
NC
73 bfd *archive_head; /* Only interesting in output routines. */
74 carsym *symdefs; /* The symdef entries. */
75 symindex symdef_count; /* How many there are. */
76 char *extended_names; /* Clever intel extension. */
77 bfd_size_type extended_names_size; /* Size of extended names. */
78 /* When more compilers are standard C, this can be a time_t. */
252b5132
RH
79 long armap_timestamp; /* Timestamp value written into armap.
80 This is used for BSD archives to check
81 that the timestamp is recent enough
82 for the BSD linker to not complain,
83 just before we finish writing an
84 archive. */
85 file_ptr armap_datepos; /* Position within archive to seek to
86 rewrite the date field. */
c58b9523 87 void *tdata; /* Backend specific information. */
252b5132
RH
88};
89
90#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
91
92/* Goes in bfd's arelt_data slot */
f1bb16f8
NC
93struct areltdata
94{
95 char * arch_header; /* It's actually a string. */
96 bfd_size_type parsed_size; /* Octets of filesize not including ar_hdr. */
97 bfd_size_type extra_size; /* BSD4.4: extra bytes after the header. */
98 char *filename; /* Null-terminated. */
99 file_ptr origin; /* For element of a thin archive. */
eeb1f9ae
AM
100 void *parent_cache; /* Where and how to find this member. */
101 file_ptr key;
252b5132
RH
102};
103
104#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
105
c58b9523
AM
106extern void *bfd_malloc
107 (bfd_size_type);
108extern void *bfd_realloc
109 (void *, bfd_size_type);
515ef31d
NC
110extern void *bfd_realloc_or_free
111 (void *, bfd_size_type);
c58b9523
AM
112extern void *bfd_zmalloc
113 (bfd_size_type);
d0fb9a8d
JJ
114extern void *bfd_malloc2
115 (bfd_size_type, bfd_size_type);
116extern void *bfd_realloc2
117 (void *, bfd_size_type, bfd_size_type);
118extern void *bfd_zmalloc2
119 (bfd_size_type, bfd_size_type);
252b5132 120
185d09ad 121extern void _bfd_default_error_handler (const char *s, ...);
252b5132 122extern bfd_error_handler_type _bfd_error_handler;
2b56b3f3 123extern bfd_assert_handler_type _bfd_assert_handler;
252b5132
RH
124
125/* These routines allocate and free things on the BFD's objalloc. */
126
d0fb9a8d
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127extern void *bfd_alloc2
128 (bfd *, bfd_size_type, bfd_size_type);
129extern void *bfd_zalloc2
130 (bfd *, bfd_size_type, bfd_size_type);
b34976b6 131extern void bfd_release
c58b9523 132 (bfd *, void *);
b34976b6
AM
133
134bfd * _bfd_create_empty_archive_element_shell
c58b9523 135 (bfd *obfd);
b34976b6 136bfd * _bfd_look_for_bfd_in_cache
c58b9523 137 (bfd *, file_ptr);
b34976b6 138bfd_boolean _bfd_add_bfd_to_archive_cache
c58b9523 139 (bfd *, file_ptr, bfd *);
b34976b6 140bfd_boolean _bfd_generic_mkarchive
c58b9523 141 (bfd *abfd);
4b544b64
TG
142char *_bfd_append_relative_path
143 (bfd *arch, char *elt_name);
b34976b6 144const bfd_target *bfd_generic_archive_p
c58b9523 145 (bfd *abfd);
b34976b6 146bfd_boolean bfd_slurp_armap
c58b9523 147 (bfd *abfd);
b34976b6 148bfd_boolean bfd_slurp_bsd_armap_f2
c58b9523 149 (bfd *abfd);
252b5132
RH
150#define bfd_slurp_bsd_armap bfd_slurp_armap
151#define bfd_slurp_coff_armap bfd_slurp_armap
b34976b6 152bfd_boolean _bfd_slurp_extended_name_table
c58b9523 153 (bfd *abfd);
b34976b6 154extern bfd_boolean _bfd_construct_extended_name_table
c58b9523 155 (bfd *, bfd_boolean, char **, bfd_size_type *);
b34976b6 156bfd_boolean _bfd_write_archive_contents
c58b9523 157 (bfd *abfd);
b34976b6 158bfd_boolean _bfd_compute_and_write_armap
c58b9523 159 (bfd *, unsigned int elength);
b34976b6 160bfd *_bfd_get_elt_at_filepos
c58b9523 161 (bfd *archive, file_ptr filepos);
b34976b6 162extern bfd *_bfd_generic_get_elt_at_index
c58b9523 163 (bfd *, symindex);
b34976b6 164bfd * _bfd_new_bfd
c58b9523 165 (void);
b25e3d87
L
166bfd_boolean _bfd_free_cached_info
167 (bfd *);
b34976b6
AM
168
169bfd_boolean bfd_false
c58b9523 170 (bfd *ignore);
b34976b6 171bfd_boolean bfd_true
c58b9523
AM
172 (bfd *ignore);
173void *bfd_nullvoidptr
174 (bfd *ignore);
b34976b6 175int bfd_0
c58b9523 176 (bfd *ignore);
b34976b6 177unsigned int bfd_0u
c58b9523 178 (bfd *ignore);
b34976b6 179long bfd_0l
c58b9523 180 (bfd *ignore);
b34976b6 181long _bfd_n1
c58b9523 182 (bfd *ignore);
b34976b6 183void bfd_void
c58b9523 184 (bfd *ignore);
b34976b6
AM
185
186bfd *_bfd_new_bfd_contained_in
c58b9523 187 (bfd *);
b34976b6 188const bfd_target *_bfd_dummy_target
c58b9523 189 (bfd *abfd);
b34976b6
AM
190
191void bfd_dont_truncate_arname
c58b9523 192 (bfd *abfd, const char *filename, char *hdr);
b34976b6 193void bfd_bsd_truncate_arname
c58b9523 194 (bfd *abfd, const char *filename, char *hdr);
b34976b6 195void bfd_gnu_truncate_arname
c58b9523 196 (bfd *abfd, const char *filename, char *hdr);
b34976b6
AM
197
198bfd_boolean bsd_write_armap
c58b9523
AM
199 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
200 int stridx);
b34976b6
AM
201
202bfd_boolean coff_write_armap
c58b9523
AM
203 (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count,
204 int stridx);
b34976b6 205
c58b9523
AM
206extern void *_bfd_generic_read_ar_hdr
207 (bfd *);
390c0e42
JJ
208extern void _bfd_ar_spacepad
209 (char *, size_t, const char *, long);
f1bb16f8
NC
210extern bfd_boolean _bfd_ar_sizepad
211 (char *, size_t, bfd_size_type);
b34976b6 212
c58b9523
AM
213extern void *_bfd_generic_read_ar_hdr_mag
214 (bfd *, const char *);
b34976b6 215
8f95b6e4
TG
216extern bfd_boolean _bfd_generic_write_ar_hdr
217 (bfd *, bfd *);
218
219extern bfd_boolean _bfd_bsd44_write_ar_hdr
220 (bfd *, bfd *);
221
b34976b6 222bfd * bfd_generic_openr_next_archived_file
c58b9523 223 (bfd *archive, bfd *last_file);
b34976b6
AM
224
225int bfd_generic_stat_arch_elt
c58b9523 226 (bfd *, struct stat *);
252b5132
RH
227
228#define _bfd_read_ar_hdr(abfd) \
229 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
8f95b6e4
TG
230#define _bfd_write_ar_hdr(archive, abfd) \
231 BFD_SEND (abfd, _bfd_write_ar_hdr_fn, (archive, abfd))
252b5132
RH
232\f
233/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
234 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
235
eeb1f9ae
AM
236#define _bfd_generic_close_and_cleanup _bfd_archive_close_and_cleanup
237extern bfd_boolean _bfd_archive_close_and_cleanup
238 (bfd *);
252b5132 239#define _bfd_generic_bfd_free_cached_info bfd_true
f592407e
AM
240extern bfd_boolean _bfd_generic_new_section_hook
241 (bfd *, asection *);
b34976b6 242extern bfd_boolean _bfd_generic_get_section_contents
c58b9523 243 (bfd *, asection *, void *, file_ptr, bfd_size_type);
b34976b6 244extern bfd_boolean _bfd_generic_get_section_contents_in_window
c58b9523 245 (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type);
252b5132
RH
246
247/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
248 BFD_JUMP_TABLE_COPY (_bfd_generic). */
249
250#define _bfd_generic_bfd_copy_private_bfd_data \
c58b9523 251 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
252b5132 252#define _bfd_generic_bfd_merge_private_bfd_data \
c58b9523 253 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
252b5132 254#define _bfd_generic_bfd_set_private_flags \
c58b9523 255 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
252b5132 256#define _bfd_generic_bfd_copy_private_section_data \
c58b9523 257 ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true)
252b5132 258#define _bfd_generic_bfd_copy_private_symbol_data \
c58b9523 259 ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true)
80fccad2
BW
260#define _bfd_generic_bfd_copy_private_header_data \
261 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
252b5132 262#define _bfd_generic_bfd_print_private_bfd_data \
c58b9523 263 ((bfd_boolean (*) (bfd *, void *)) bfd_true)
252b5132 264
ccd2ec6a
L
265extern bfd_boolean _bfd_generic_init_private_section_data
266 (bfd *, asection *, bfd *, asection *, struct bfd_link_info *);
267
252b5132
RH
268/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
269 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
270
b34976b6 271extern char *_bfd_nocore_core_file_failing_command
c58b9523 272 (bfd *);
b34976b6 273extern int _bfd_nocore_core_file_failing_signal
c58b9523 274 (bfd *);
b34976b6 275extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
c58b9523 276 (bfd *, bfd *);
261b8d08
PA
277extern int _bfd_nocore_core_file_pid
278 (bfd *);
252b5132
RH
279
280/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
281 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
282
283#define _bfd_noarchive_slurp_armap bfd_false
284#define _bfd_noarchive_slurp_extended_name_table bfd_false
285#define _bfd_noarchive_construct_extended_name_table \
c58b9523 286 ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \
252b5132
RH
287 bfd_false)
288#define _bfd_noarchive_truncate_arname \
c58b9523 289 ((void (*) (bfd *, const char *, char *)) bfd_void)
252b5132 290#define _bfd_noarchive_write_armap \
c58b9523 291 ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \
252b5132
RH
292 bfd_false)
293#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
8f95b6e4
TG
294#define _bfd_noarchive_write_ar_hdr \
295 ((bfd_boolean (*) (bfd *, bfd *)) bfd_false)
252b5132 296#define _bfd_noarchive_openr_next_archived_file \
c58b9523 297 ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr)
252b5132 298#define _bfd_noarchive_get_elt_at_index \
c58b9523 299 ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr)
252b5132
RH
300#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
301#define _bfd_noarchive_update_armap_timestamp bfd_false
302
303/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
304 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
305
306#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
307#define _bfd_archive_bsd_slurp_extended_name_table \
308 _bfd_slurp_extended_name_table
b34976b6 309extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
c58b9523 310 (bfd *, char **, bfd_size_type *, const char **);
252b5132
RH
311#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
312#define _bfd_archive_bsd_write_armap bsd_write_armap
313#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
8f95b6e4 314#define _bfd_archive_bsd_write_ar_hdr _bfd_generic_write_ar_hdr
252b5132
RH
315#define _bfd_archive_bsd_openr_next_archived_file \
316 bfd_generic_openr_next_archived_file
317#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
318#define _bfd_archive_bsd_generic_stat_arch_elt \
319 bfd_generic_stat_arch_elt
b34976b6 320extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
c58b9523 321 (bfd *);
252b5132
RH
322
323/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
324 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
325
326#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
327#define _bfd_archive_coff_slurp_extended_name_table \
328 _bfd_slurp_extended_name_table
b34976b6 329extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
c58b9523 330 (bfd *, char **, bfd_size_type *, const char **);
252b5132
RH
331#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
332#define _bfd_archive_coff_write_armap coff_write_armap
333#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
8f95b6e4 334#define _bfd_archive_coff_write_ar_hdr _bfd_generic_write_ar_hdr
252b5132
RH
335#define _bfd_archive_coff_openr_next_archived_file \
336 bfd_generic_openr_next_archived_file
337#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
338#define _bfd_archive_coff_generic_stat_arch_elt \
339 bfd_generic_stat_arch_elt
340#define _bfd_archive_coff_update_armap_timestamp bfd_true
341
8f95b6e4
TG
342/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD4.4 style
343 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44). */
344
345#define _bfd_archive_bsd44_slurp_armap bfd_slurp_bsd_armap
346#define _bfd_archive_bsd44_slurp_extended_name_table \
347 _bfd_slurp_extended_name_table
348extern bfd_boolean _bfd_archive_bsd44_construct_extended_name_table
349 (bfd *, char **, bfd_size_type *, const char **);
350#define _bfd_archive_bsd44_truncate_arname bfd_bsd_truncate_arname
351#define _bfd_archive_bsd44_write_armap bsd_write_armap
352#define _bfd_archive_bsd44_read_ar_hdr _bfd_generic_read_ar_hdr
353#define _bfd_archive_bsd44_write_ar_hdr _bfd_bsd44_write_ar_hdr
354#define _bfd_archive_bsd44_openr_next_archived_file \
355 bfd_generic_openr_next_archived_file
356#define _bfd_archive_bsd44_get_elt_at_index _bfd_generic_get_elt_at_index
357#define _bfd_archive_bsd44_generic_stat_arch_elt \
358 bfd_generic_stat_arch_elt
359#define _bfd_archive_bsd44_update_armap_timestamp \
360 _bfd_archive_bsd_update_armap_timestamp
361
4b544b64
TG
362/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get VMS style
363 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_vms_lib). Some of them
364 are irrelevant and never called, so defined as NULL. */
365
366extern bfd_boolean _bfd_vms_lib_write_archive_contents (bfd *arch);
367#define _bfd_vms_lib_slurp_armap NULL
368#define _bfd_vms_lib_slurp_extended_name_table NULL
369#define _bfd_vms_lib_construct_extended_name_table NULL
370#define _bfd_vms_lib_truncate_arname NULL
371#define _bfd_vms_lib_write_armap NULL
372#define _bfd_vms_lib_read_ar_hdr NULL
373#define _bfd_vms_lib_write_ar_hdr NULL
374extern bfd *_bfd_vms_lib_openr_next_archived_file (bfd *, bfd *);
375extern bfd *_bfd_vms_lib_get_elt_at_index (bfd *, symindex);
376extern int _bfd_vms_lib_generic_stat_arch_elt (bfd *, struct stat *);
377#define _bfd_vms_lib_update_armap_timestamp bfd_true
378
379/* Extra routines for VMS style archives. */
380
381extern symindex _bfd_vms_lib_find_symbol (bfd *, const char *);
382extern bfd *_bfd_vms_lib_get_imagelib_file (bfd *);
383extern const bfd_target *_bfd_vms_lib_alpha_archive_p (bfd *abfd);
7256a114 384extern const bfd_target *_bfd_vms_lib_ia64_archive_p (bfd *abfd);
7d5ee7d7 385extern bfd_boolean _bfd_vms_lib_alpha_mkarchive (bfd *abfd);
09266d1a 386extern bfd_boolean _bfd_vms_lib_ia64_mkarchive (bfd *abfd);
4b544b64 387
252b5132
RH
388/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
389 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
390
391#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
6cee3f79 392#define _bfd_nosymbols_canonicalize_symtab \
c58b9523 393 ((long (*) (bfd *, asymbol **)) _bfd_n1)
3f3c5c34 394#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
252b5132 395#define _bfd_nosymbols_print_symbol \
c58b9523 396 ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void)
252b5132 397#define _bfd_nosymbols_get_symbol_info \
c58b9523 398 ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void)
60bb06bc
L
399#define _bfd_nosymbols_get_symbol_version_string \
400 ((const char *(*) (bfd *, asymbol *, bfd_boolean *)) bfd_nullvoidptr)
252b5132 401#define _bfd_nosymbols_bfd_is_local_label_name \
c58b9523 402 ((bfd_boolean (*) (bfd *, const char *)) bfd_false)
3c9458e9
NC
403#define _bfd_nosymbols_bfd_is_target_special_symbol \
404 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
252b5132 405#define _bfd_nosymbols_get_lineno \
c58b9523 406 ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr)
252b5132 407#define _bfd_nosymbols_find_nearest_line \
fb167eb2
AM
408 ((bfd_boolean (*) (bfd *, asymbol **, asection *, bfd_vma, \
409 const char **, const char **, unsigned int *, \
410 unsigned int *)) \
252b5132 411 bfd_false)
9c461f7d
AM
412#define _bfd_nosymbols_find_line \
413 ((bfd_boolean (*) (bfd *, asymbol **, asymbol *, \
414 const char **, unsigned int *)) \
415 bfd_false)
4ab527b0
FF
416#define _bfd_nosymbols_find_inliner_info \
417 ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \
418 bfd_false)
252b5132 419#define _bfd_nosymbols_bfd_make_debug_symbol \
c58b9523 420 ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
252b5132 421#define _bfd_nosymbols_read_minisymbols \
c58b9523 422 ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1)
252b5132 423#define _bfd_nosymbols_minisymbol_to_symbol \
c58b9523 424 ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \
252b5132
RH
425 bfd_nullvoidptr)
426
427/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
428 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
429
72f6ea61
AM
430extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *);
431extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *,
432 arelent **, asymbol **);
252b5132 433#define _bfd_norelocs_bfd_reloc_type_lookup \
c58b9523 434 ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr)
157090f7
AM
435#define _bfd_norelocs_bfd_reloc_name_lookup \
436 ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr)
252b5132
RH
437
438/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
439 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
440
441#define _bfd_nowrite_set_arch_mach \
c58b9523 442 ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \
252b5132
RH
443 bfd_false)
444#define _bfd_nowrite_set_section_contents \
0f867abe 445 ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \
252b5132
RH
446 bfd_false)
447
448/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
449 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
450
451#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
b34976b6 452extern bfd_boolean _bfd_generic_set_section_contents
0f867abe 453 (bfd *, asection *, const void *, file_ptr, bfd_size_type);
252b5132
RH
454
455/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
456 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
457
a6b96beb
AM
458#define _bfd_nolink_sizeof_headers \
459 ((int (*) (bfd *, struct bfd_link_info *)) bfd_0)
252b5132 460#define _bfd_nolink_bfd_get_relocated_section_contents \
c58b9523
AM
461 ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \
462 bfd_byte *, bfd_boolean, asymbol **)) \
252b5132
RH
463 bfd_nullvoidptr)
464#define _bfd_nolink_bfd_relax_section \
b34976b6 465 ((bfd_boolean (*) \
c58b9523 466 (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \
252b5132
RH
467 bfd_false)
468#define _bfd_nolink_bfd_gc_sections \
c58b9523 469 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
252b5132 470 bfd_false)
ae17ab41 471#define _bfd_nolink_bfd_lookup_section_flags \
b9c361e0 472 ((bfd_boolean (*) (struct bfd_link_info *, struct flag_info *, asection *)) \
ae17ab41 473 bfd_0)
8550eb6e 474#define _bfd_nolink_bfd_merge_sections \
c58b9523 475 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \
8550eb6e 476 bfd_false)
72adc230
AM
477#define _bfd_nolink_bfd_is_group_section \
478 ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \
479 bfd_false)
e61463e1 480#define _bfd_nolink_bfd_discard_group \
198beae2 481 ((bfd_boolean (*) (bfd *, struct bfd_section *)) \
e61463e1 482 bfd_false)
252b5132 483#define _bfd_nolink_bfd_link_hash_table_create \
c58b9523 484 ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr)
252b5132 485#define _bfd_nolink_bfd_link_add_symbols \
c58b9523 486 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
2d653fc7 487#define _bfd_nolink_bfd_link_just_syms \
c58b9523 488 ((void (*) (asection *, struct bfd_link_info *)) bfd_void)
1338dd10
PB
489#define _bfd_nolink_bfd_copy_link_hash_symbol_type \
490 ((void (*) (bfd *, struct bfd_link_hash_entry *, \
491 struct bfd_link_hash_entry *)) bfd_void)
252b5132 492#define _bfd_nolink_bfd_final_link \
c58b9523 493 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false)
252b5132 494#define _bfd_nolink_bfd_link_split_section \
198beae2 495 ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false)
082b7297 496#define _bfd_nolink_section_already_linked \
c77ec726 497 ((bfd_boolean (*) (bfd *, asection *, \
43e1669b 498 struct bfd_link_info *)) bfd_false)
3023e3f6
RS
499#define _bfd_nolink_bfd_define_common_symbol \
500 ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \
501 struct bfd_link_hash_entry *)) bfd_false)
252b5132
RH
502
503/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
504 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
505 (_bfd_nodynamic). */
506
507#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
508#define _bfd_nodynamic_canonicalize_dynamic_symtab \
c58b9523 509 ((long (*) (bfd *, asymbol **)) _bfd_n1)
4c45e5c9 510#define _bfd_nodynamic_get_synthetic_symtab \
c9727e01 511 ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1)
252b5132
RH
512#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
513#define _bfd_nodynamic_canonicalize_dynamic_reloc \
c58b9523 514 ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1)
252b5132
RH
515\f
516/* Generic routine to determine of the given symbol is a local
517 label. */
b34976b6 518extern bfd_boolean bfd_generic_is_local_label_name
c58b9523 519 (bfd *, const char *);
252b5132
RH
520
521/* Generic minisymbol routines. */
522extern long _bfd_generic_read_minisymbols
c58b9523 523 (bfd *, bfd_boolean, void **, unsigned int *);
252b5132 524extern asymbol *_bfd_generic_minisymbol_to_symbol
c58b9523 525 (bfd *, bfd_boolean, const void *, asymbol *);
252b5132
RH
526
527/* Find the nearest line using .stab/.stabstr sections. */
b34976b6 528extern bfd_boolean _bfd_stab_section_find_nearest_line
c58b9523
AM
529 (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
530 const char **, const char **, unsigned int *, void **);
252b5132 531
2db3311b 532/* Find the nearest line using DWARF 1 debugging information. */
b34976b6 533extern bfd_boolean _bfd_dwarf1_find_nearest_line
fb167eb2
AM
534 (bfd *, asymbol **, asection *, bfd_vma,
535 const char **, const char **, unsigned int *);
252b5132 536
fc28f9aa
TG
537struct dwarf_debug_section
538{
539 const char *uncompressed_name;
540 const char *compressed_name;
541};
542
543/* Map of uncompressed DWARF debug section name to compressed one. It
544 is terminated by NULL uncompressed_name. */
545
546extern const struct dwarf_debug_section dwarf_debug_sections[];
547
252b5132 548/* Find the nearest line using DWARF 2 debugging information. */
b34976b6 549extern bfd_boolean _bfd_dwarf2_find_nearest_line
fb167eb2
AM
550 (bfd *, asymbol **, asymbol *, asection *, bfd_vma,
551 const char **, const char **, unsigned int *, unsigned int *,
552 const struct dwarf_debug_section *, unsigned int, void **);
9b8d1a36 553
425bd9e1
NC
554/* Find the bias between DWARF addresses and real addresses. */
555extern bfd_signed_vma _bfd_dwarf2_find_symbol_bias
556 (asymbol **, void **);
557
4ab527b0
FF
558/* Find inliner info after calling bfd_find_nearest_line. */
559extern bfd_boolean _bfd_dwarf2_find_inliner_info
560 (bfd *, const char **, const char **, unsigned int *, void **);
d9071b0c 561
2ca7691a
TG
562/* Read DWARF 2 debugging information. */
563extern bfd_boolean _bfd_dwarf2_slurp_debug_info
93ee1e36
AM
564 (bfd *, bfd *, const struct dwarf_debug_section *, asymbol **, void **,
565 bfd_boolean);
2ca7691a 566
d9071b0c
TG
567/* Clean up the data used to handle DWARF 2 debugging information. */
568extern void _bfd_dwarf2_cleanup_debug_info
569 (bfd *, void **);
570
73e87d70
AM
571/* Create a new section entry. */
572extern struct bfd_hash_entry *bfd_section_hash_newfunc
c58b9523 573 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
73e87d70 574
252b5132
RH
575/* A routine to create entries for a bfd_link_hash_table. */
576extern struct bfd_hash_entry *_bfd_link_hash_newfunc
c58b9523
AM
577 (struct bfd_hash_entry *entry, struct bfd_hash_table *table,
578 const char *string);
252b5132
RH
579
580/* Initialize a bfd_link_hash_table. */
b34976b6 581extern bfd_boolean _bfd_link_hash_table_init
c58b9523
AM
582 (struct bfd_link_hash_table *, bfd *,
583 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
584 struct bfd_hash_table *,
66eb6687
AM
585 const char *),
586 unsigned int);
252b5132
RH
587
588/* Generic link hash table creation routine. */
589extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
c58b9523 590 (bfd *);
252b5132 591
e2d34d7d
DJ
592/* Generic link hash table destruction routine. */
593extern void _bfd_generic_link_hash_table_free
d495ab0d 594 (bfd *);
e2d34d7d 595
252b5132 596/* Generic add symbol routine. */
b34976b6 597extern bfd_boolean _bfd_generic_link_add_symbols
c58b9523 598 (bfd *, struct bfd_link_info *);
252b5132
RH
599
600/* Generic add symbol routine. This version is used by targets for
601 which the linker must collect constructors and destructors by name,
602 as the collect2 program does. */
b34976b6 603extern bfd_boolean _bfd_generic_link_add_symbols_collect
c58b9523 604 (bfd *, struct bfd_link_info *);
252b5132
RH
605
606/* Generic archive add symbol routine. */
b34976b6 607extern bfd_boolean _bfd_generic_link_add_archive_symbols
c58b9523 608 (bfd *, struct bfd_link_info *,
13e570f8
AM
609 bfd_boolean (*) (bfd *, struct bfd_link_info *,
610 struct bfd_link_hash_entry *, const char *,
611 bfd_boolean *));
252b5132 612
252b5132
RH
613/* Forward declaration to avoid prototype errors. */
614typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
615
616/* Generic routine to add a single symbol. */
b34976b6 617extern bfd_boolean _bfd_generic_link_add_one_symbol
c58b9523
AM
618 (struct bfd_link_info *, bfd *, const char *name, flagword,
619 asection *, bfd_vma, const char *, bfd_boolean copy,
620 bfd_boolean constructor, struct bfd_link_hash_entry **);
252b5132 621
2d653fc7
AM
622/* Generic routine to mark section as supplying symbols only. */
623extern void _bfd_generic_link_just_syms
c58b9523 624 (asection *, struct bfd_link_info *);
2d653fc7 625
1338dd10
PB
626/* Generic routine that does nothing. */
627extern void _bfd_generic_copy_link_hash_symbol_type
628 (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *);
629
252b5132 630/* Generic link routine. */
b34976b6 631extern bfd_boolean _bfd_generic_final_link
c58b9523 632 (bfd *, struct bfd_link_info *);
252b5132 633
b34976b6 634extern bfd_boolean _bfd_generic_link_split_section
198beae2 635 (bfd *, struct bfd_section *);
252b5132 636
43e1669b 637extern bfd_boolean _bfd_generic_section_already_linked
c77ec726 638 (bfd *, asection *, struct bfd_link_info *);
082b7297 639
252b5132 640/* Generic reloc_link_order processing routine. */
b34976b6 641extern bfd_boolean _bfd_generic_reloc_link_order
c58b9523 642 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
252b5132
RH
643
644/* Default link order processing routine. */
b34976b6 645extern bfd_boolean _bfd_default_link_order
c58b9523 646 (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *);
252b5132
RH
647
648/* Count the number of reloc entries in a link order list. */
649extern unsigned int _bfd_count_link_order_relocs
c58b9523 650 (struct bfd_link_order *);
252b5132
RH
651
652/* Final link relocation routine. */
653extern bfd_reloc_status_type _bfd_final_link_relocate
c58b9523
AM
654 (reloc_howto_type *, bfd *, asection *, bfd_byte *,
655 bfd_vma, bfd_vma, bfd_vma);
252b5132
RH
656
657/* Relocate a particular location by a howto and a value. */
658extern bfd_reloc_status_type _bfd_relocate_contents
c58b9523 659 (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *);
252b5132 660
b1e24c02
DJ
661/* Clear a given location using a given howto. */
662extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd,
e4067dbb 663 asection *input_section, bfd_byte *location);
b1e24c02 664
252b5132
RH
665/* Link stabs in sections in the first pass. */
666
b34976b6 667extern bfd_boolean _bfd_link_section_stabs
3722b82f
AM
668 (bfd *, struct stab_info *, asection *, asection *, void **,
669 bfd_size_type *);
252b5132 670
73d074b4 671/* Eliminate stabs for discarded functions and symbols. */
b34976b6 672extern bfd_boolean _bfd_discard_section_stabs
c58b9523 673 (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *);
73d074b4 674
252b5132
RH
675/* Write out the .stab section when linking stabs in sections. */
676
b34976b6 677extern bfd_boolean _bfd_write_section_stabs
3722b82f 678 (bfd *, struct stab_info *, asection *, void **, bfd_byte *);
252b5132
RH
679
680/* Write out the .stabstr string table when linking stabs in sections. */
681
b34976b6 682extern bfd_boolean _bfd_write_stab_strings
3722b82f 683 (bfd *, struct stab_info *);
252b5132
RH
684
685/* Find an offset within a .stab section when linking stabs in
686 sections. */
687
688extern bfd_vma _bfd_stab_section_offset
eea6121a 689 (asection *, void *, bfd_vma);
252b5132 690
57ceae94 691/* Register a SEC_MERGE section as a candidate for merging. */
f5fa8ca2 692
57ceae94 693extern bfd_boolean _bfd_add_merge_section
c58b9523 694 (bfd *, void **, asection *, void **);
f5fa8ca2 695
8550eb6e
JJ
696/* Attempt to merge SEC_MERGE sections. */
697
b34976b6 698extern bfd_boolean _bfd_merge_sections
57ceae94 699 (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *));
8550eb6e 700
f5fa8ca2
JJ
701/* Write out a merged section. */
702
b34976b6 703extern bfd_boolean _bfd_write_merged_section
c58b9523 704 (bfd *, asection *, void *);
f5fa8ca2
JJ
705
706/* Find an offset within a modified SEC_MERGE section. */
707
708extern bfd_vma _bfd_merged_section_offset
753731ee 709 (bfd *, asection **, void *, bfd_vma);
f5fa8ca2 710
9f7c3e5e
AM
711/* Tidy up when done. */
712
713extern void _bfd_merge_sections_free (void *);
714
252b5132 715/* Create a string table. */
b34976b6 716extern struct bfd_strtab_hash *_bfd_stringtab_init
c58b9523 717 (void);
252b5132
RH
718
719/* Create an XCOFF .debug section style string table. */
b34976b6 720extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
c58b9523 721 (void);
252b5132
RH
722
723/* Free a string table. */
b34976b6 724extern void _bfd_stringtab_free
c58b9523 725 (struct bfd_strtab_hash *);
252b5132
RH
726
727/* Get the size of a string table. */
b34976b6 728extern bfd_size_type _bfd_stringtab_size
c58b9523 729 (struct bfd_strtab_hash *);
252b5132
RH
730
731/* Add a string to a string table. */
732extern bfd_size_type _bfd_stringtab_add
c58b9523 733 (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy);
252b5132
RH
734
735/* Write out a string table. */
b34976b6 736extern bfd_boolean _bfd_stringtab_emit
c58b9523 737 (bfd *, struct bfd_strtab_hash *);
875f7f69
JR
738
739/* Check that endianness of input and output file match. */
b34976b6 740extern bfd_boolean _bfd_generic_verify_endian_match
c58b9523 741 (bfd *, bfd *);
252b5132
RH
742\f
743/* Macros to tell if bfds are read or write enabled.
744
745 Note that bfds open for read may be scribbled into if the fd passed
746 to bfd_fdopenr is actually open both for read and write
747 simultaneously. However an output bfd will never be open for
748 read. Therefore sometimes you want to check bfd_read_p or
749 !bfd_read_p, and only sometimes bfd_write_p.
750*/
751
c58b9523
AM
752#define bfd_read_p(abfd) \
753 ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
754#define bfd_write_p(abfd) \
755 ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
252b5132 756
b34976b6 757void bfd_assert
c58b9523 758 (const char*,int);
252b5132
RH
759
760#define BFD_ASSERT(x) \
f12123c0 761 do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0)
252b5132
RH
762
763#define BFD_FAIL() \
f12123c0 764 do { bfd_assert(__FILE__,__LINE__); } while (0)
252b5132 765
b34976b6 766extern void _bfd_abort
c58b9523 767 (const char *, int, const char *) ATTRIBUTE_NORETURN;
c0bed66d 768
a1934524
AM
769/* if gcc >= 2.6, we can give a function name, too */
770#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
c0bed66d
ILT
771#define __PRETTY_FUNCTION__ ((char *) NULL)
772#endif
773
774#undef abort
775#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
776
7c192733
AC
777/* Manipulate a system FILE but using BFD's "file_ptr", rather than
778 the system "off_t" or "off64_t", as the offset. */
779extern file_ptr real_ftell (FILE *file);
780extern int real_fseek (FILE *file, file_ptr offset, int whence);
2e6f4fae 781extern FILE *real_fopen (const char *filename, const char *modes);
7c192733 782
252b5132
RH
783/* List of supported target vectors, and the default vector (if
784 bfd_default_vector[0] is NULL, there is no default). */
7340082d 785extern const bfd_target * const *bfd_target_vector;
252b5132
RH
786extern const bfd_target *bfd_default_vector[];
787
08f74004
AM
788/* List of associated target vectors. */
789extern const bfd_target * const *bfd_associated_vector;
790
252b5132
RH
791/* Functions shared by the ECOFF and MIPS ELF backends, which have no
792 other common header files. */
793
794#if defined(__STDC__) || defined(ALMOST_STDC)
795struct ecoff_find_line;
796#endif
797
b34976b6 798extern bfd_boolean _bfd_ecoff_locate_line
c58b9523
AM
799 (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
800 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
801 const char **, const char **, unsigned int *);
b34976b6 802extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
c58b9523 803 (void *, bfd_byte *);
b34976b6 804extern bfd_boolean _bfd_ecoff_get_accumulated_sym
c58b9523 805 (void *, bfd_byte *);
b34976b6 806extern bfd_boolean _bfd_ecoff_get_accumulated_ss
c58b9523 807 (void *, bfd_byte *);
b34976b6
AM
808
809extern bfd_vma _bfd_get_gp_value
c58b9523 810 (bfd *);
b34976b6 811extern void _bfd_set_gp_value
c58b9523 812 (bfd *, bfd_vma);
252b5132
RH
813
814/* Function shared by the COFF and ELF SH backends, which have no
815 other common header files. */
816
c58b9523 817#ifndef _bfd_sh_align_load_span
b34976b6 818extern bfd_boolean _bfd_sh_align_load_span
c58b9523
AM
819 (bfd *, asection *, bfd_byte *,
820 bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
821 void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
822#endif
082b7297
L
823
824/* This is the shape of the elements inside the already_linked hash
825 table. It maps a name onto a list of already_linked elements with
826 the same name. */
827
828struct bfd_section_already_linked_hash_entry
829{
830 struct bfd_hash_entry root;
831 struct bfd_section_already_linked *entry;
832};
833
834struct bfd_section_already_linked
835{
836 struct bfd_section_already_linked *next;
c77ec726 837 asection *sec;
082b7297
L
838};
839
840extern struct bfd_section_already_linked_hash_entry *
841 bfd_section_already_linked_table_lookup (const char *);
a6626e8c 842extern bfd_boolean bfd_section_already_linked_table_insert
c77ec726 843 (struct bfd_section_already_linked_hash_entry *, asection *);
3d7f7666
L
844extern void bfd_section_already_linked_table_traverse
845 (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *,
846 void *), void *);
847
f075ee0c
AM
848extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *);
849extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *);
f64e188b
NC
850extern bfd_vma safe_read_leb128 (bfd *, bfd_byte *, unsigned int *,
851 bfd_boolean, const bfd_byte * const);
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