Touches most files in bfd/, so likely will be blamed for everything..
[deliverable/binutils-gdb.git] / bfd / libbfd-in.h
CommitLineData
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1/* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
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3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 2000, 2001
dc93fc57 5 Free Software Foundation, Inc.
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6 Written by Cygnus Support.
7
8** NOTE: libbfd.h is a GENERATED file. Don't change it; instead,
9** change libbfd-in.h or the other BFD source files processed to
10** generate this file.
11
12This file is part of BFD, the Binary File Descriptor library.
13
14This program is free software; you can redistribute it and/or modify
15it under the terms of the GNU General Public License as published by
16the Free Software Foundation; either version 2 of the License, or
17(at your option) any later version.
18
19This program is distributed in the hope that it will be useful,
20but WITHOUT ANY WARRANTY; without even the implied warranty of
21MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22GNU General Public License for more details.
23
24You should have received a copy of the GNU General Public License
25along with this program; if not, write to the Free Software
26Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
27
28/* Align an address upward to a boundary, expressed as a number of bytes.
29 E.g. align to an 8-byte boundary with argument of 8. Take care never
30 to wrap around if the address is within boundary-1 of the end of the
31 address space. */
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32#define BFD_ALIGN(this, boundary) \
33 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
34 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
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35 : ~ (bfd_vma) 0)
36
37/* If you want to read and write large blocks, you might want to do it
38 in quanta of this amount */
39#define DEFAULT_BUFFERSIZE 8192
40
41/* Set a tdata field. Can't use the other macros for this, since they
42 do casts, and casting to the left of assignment isn't portable. */
43#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
44
45/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
46 to an instance of this structure. */
47
48struct bfd_in_memory
49{
50 /* Size of buffer. */
51 bfd_size_type size;
52 /* Buffer holding contents of BFD. */
53 bfd_byte *buffer;
54};
55
56/* tdata for an archive. For an input archive, cache
57 needs to be free()'d. For an output archive, symdefs do. */
58
59struct artdata {
60 file_ptr first_file_filepos;
61 /* Speed up searching the armap */
62 struct ar_cache *cache;
52b219b5 63 bfd *archive_head; /* Only interesting in output routines */
252b5132 64 carsym *symdefs; /* the symdef entries */
52b219b5 65 symindex symdef_count; /* how many there are */
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66 char *extended_names; /* clever intel extension */
67 /* when more compilers are standard C, this can be a time_t */
68 long armap_timestamp; /* Timestamp value written into armap.
69 This is used for BSD archives to check
70 that the timestamp is recent enough
71 for the BSD linker to not complain,
72 just before we finish writing an
73 archive. */
74 file_ptr armap_datepos; /* Position within archive to seek to
75 rewrite the date field. */
76 PTR tdata; /* Backend specific information. */
77};
78
79#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
80
81/* Goes in bfd's arelt_data slot */
82struct areltdata {
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83 char * arch_header; /* it's actually a string */
84 unsigned int parsed_size; /* octets of filesize not including ar_hdr */
85 char *filename; /* null-terminated */
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86};
87
88#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
89
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90extern PTR bfd_malloc PARAMS ((bfd_size_type));
91extern PTR bfd_realloc PARAMS ((PTR, bfd_size_type));
92extern PTR bfd_zmalloc PARAMS ((bfd_size_type));
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93
94extern bfd_error_handler_type _bfd_error_handler;
95
96/* These routines allocate and free things on the BFD's objalloc. */
97
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98extern PTR bfd_alloc PARAMS ((bfd *, bfd_size_type));
99extern PTR bfd_zalloc PARAMS ((bfd *, bfd_size_type));
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100extern void bfd_release PARAMS ((bfd *, PTR));
101
102bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
dc810e39 103bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *, file_ptr));
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104boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
105boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
106const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
107boolean bfd_slurp_armap PARAMS ((bfd *abfd));
108boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
109#define bfd_slurp_bsd_armap bfd_slurp_armap
110#define bfd_slurp_coff_armap bfd_slurp_armap
111boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
112extern boolean _bfd_construct_extended_name_table
113 PARAMS ((bfd *, boolean, char **, bfd_size_type *));
114boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
115boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
116bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
117extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
118bfd * _bfd_new_bfd PARAMS ((void));
119
120boolean bfd_false PARAMS ((bfd *ignore));
121boolean bfd_true PARAMS ((bfd *ignore));
122PTR bfd_nullvoidptr PARAMS ((bfd *ignore));
123int bfd_0 PARAMS ((bfd *ignore));
124unsigned int bfd_0u PARAMS ((bfd *ignore));
125long bfd_0l PARAMS ((bfd *ignore));
126long _bfd_n1 PARAMS ((bfd *ignore));
127void bfd_void PARAMS ((bfd *ignore));
128
129bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
130const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
131
52b219b5 132void bfd_dont_truncate_arname PARAMS ((bfd *abfd, const char *filename,
252b5132 133 char *hdr));
52b219b5 134void bfd_bsd_truncate_arname PARAMS ((bfd *abfd, const char *filename,
252b5132 135 char *hdr));
52b219b5 136void bfd_gnu_truncate_arname PARAMS ((bfd *abfd, const char *filename,
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137 char *hdr));
138
139boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
140 struct orl *map, unsigned int orl_count, int stridx));
141
142boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
143 struct orl *map, unsigned int orl_count, int stridx));
144
145extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
146
147extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
148
149bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
150 bfd *last_file));
151
152int bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
153
154#define _bfd_read_ar_hdr(abfd) \
155 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
156\f
157/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
158 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
159
160#define _bfd_generic_close_and_cleanup bfd_true
161#define _bfd_generic_bfd_free_cached_info bfd_true
162#define _bfd_generic_new_section_hook \
163 ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
164extern boolean _bfd_generic_get_section_contents
dc810e39 165 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
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166extern boolean _bfd_generic_get_section_contents_in_window
167 PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
168
169/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
170 BFD_JUMP_TABLE_COPY (_bfd_generic). */
171
172#define _bfd_generic_bfd_copy_private_bfd_data \
173 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
174#define _bfd_generic_bfd_merge_private_bfd_data \
175 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
176#define _bfd_generic_bfd_set_private_flags \
177 ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
178#define _bfd_generic_bfd_copy_private_section_data \
179 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
180#define _bfd_generic_bfd_copy_private_symbol_data \
181 ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
182#define _bfd_generic_bfd_print_private_bfd_data \
183 ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
184
185/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
186 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
187
188extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
189extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
190extern boolean _bfd_nocore_core_file_matches_executable_p
191 PARAMS ((bfd *, bfd *));
192
193/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
194 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
195
196#define _bfd_noarchive_slurp_armap bfd_false
197#define _bfd_noarchive_slurp_extended_name_table bfd_false
198#define _bfd_noarchive_construct_extended_name_table \
199 ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
200 bfd_false)
201#define _bfd_noarchive_truncate_arname \
202 ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
203#define _bfd_noarchive_write_armap \
204 ((boolean (*) \
205 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
206 bfd_false)
207#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
208#define _bfd_noarchive_openr_next_archived_file \
209 ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
210#define _bfd_noarchive_get_elt_at_index \
211 ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
212#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
213#define _bfd_noarchive_update_armap_timestamp bfd_false
214
215/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
216 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
217
218#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
219#define _bfd_archive_bsd_slurp_extended_name_table \
220 _bfd_slurp_extended_name_table
221extern boolean _bfd_archive_bsd_construct_extended_name_table
222 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
223#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
224#define _bfd_archive_bsd_write_armap bsd_write_armap
225#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
226#define _bfd_archive_bsd_openr_next_archived_file \
227 bfd_generic_openr_next_archived_file
228#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
229#define _bfd_archive_bsd_generic_stat_arch_elt \
230 bfd_generic_stat_arch_elt
231extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
232
233/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
234 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
235
236#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
237#define _bfd_archive_coff_slurp_extended_name_table \
238 _bfd_slurp_extended_name_table
239extern boolean _bfd_archive_coff_construct_extended_name_table
240 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
241#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
242#define _bfd_archive_coff_write_armap coff_write_armap
243#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
244#define _bfd_archive_coff_openr_next_archived_file \
245 bfd_generic_openr_next_archived_file
246#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
247#define _bfd_archive_coff_generic_stat_arch_elt \
248 bfd_generic_stat_arch_elt
249#define _bfd_archive_coff_update_armap_timestamp bfd_true
250
251/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
252 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
253
254#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
255#define _bfd_nosymbols_get_symtab \
256 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
257#define _bfd_nosymbols_make_empty_symbol \
258 ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
259#define _bfd_nosymbols_print_symbol \
260 ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
261#define _bfd_nosymbols_get_symbol_info \
262 ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
263#define _bfd_nosymbols_bfd_is_local_label_name \
264 ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
265#define _bfd_nosymbols_get_lineno \
266 ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
267#define _bfd_nosymbols_find_nearest_line \
268 ((boolean (*) \
269 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
270 const char **, unsigned int *))) \
271 bfd_false)
272#define _bfd_nosymbols_bfd_make_debug_symbol \
273 ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
274#define _bfd_nosymbols_read_minisymbols \
275 ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
276#define _bfd_nosymbols_minisymbol_to_symbol \
277 ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
278 bfd_nullvoidptr)
279
280/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
281 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
282
283#define _bfd_norelocs_get_reloc_upper_bound \
284 ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
285#define _bfd_norelocs_canonicalize_reloc \
286 ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
287#define _bfd_norelocs_bfd_reloc_type_lookup \
288 ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
289 bfd_nullvoidptr)
290
291/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
292 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
293
294#define _bfd_nowrite_set_arch_mach \
295 ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
296 bfd_false)
297#define _bfd_nowrite_set_section_contents \
298 ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
299 bfd_false)
300
301/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
302 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
303
304#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
305extern boolean _bfd_generic_set_section_contents
306 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
307
308/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
309 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
310
311#define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
312#define _bfd_nolink_bfd_get_relocated_section_contents \
313 ((bfd_byte *(*) \
314 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
315 bfd_byte *, boolean, asymbol **))) \
316 bfd_nullvoidptr)
317#define _bfd_nolink_bfd_relax_section \
318 ((boolean (*) \
319 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
320 bfd_false)
321#define _bfd_nolink_bfd_gc_sections \
322 ((boolean (*) \
323 PARAMS ((bfd *, struct bfd_link_info *))) \
324 bfd_false)
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325#define _bfd_nolink_bfd_merge_sections \
326 ((boolean (*) \
327 PARAMS ((bfd *, struct bfd_link_info *))) \
328 bfd_false)
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329#define _bfd_nolink_bfd_link_hash_table_create \
330 ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
331#define _bfd_nolink_bfd_link_add_symbols \
332 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
333#define _bfd_nolink_bfd_final_link \
334 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
335#define _bfd_nolink_bfd_link_split_section \
336 ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
337
338/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
339 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
340 (_bfd_nodynamic). */
341
342#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
343#define _bfd_nodynamic_canonicalize_dynamic_symtab \
344 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
345#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
346#define _bfd_nodynamic_canonicalize_dynamic_reloc \
347 ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
348\f
349/* Generic routine to determine of the given symbol is a local
350 label. */
351extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
352
353/* Generic minisymbol routines. */
354extern long _bfd_generic_read_minisymbols
355 PARAMS ((bfd *, boolean, PTR *, unsigned int *));
356extern asymbol *_bfd_generic_minisymbol_to_symbol
357 PARAMS ((bfd *, boolean, const PTR, asymbol *));
358
359/* Find the nearest line using .stab/.stabstr sections. */
360extern boolean _bfd_stab_section_find_nearest_line
361 PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
362 const char **, unsigned int *, PTR *));
363
364/* Find the neaderst line using DWARF 1 debugging information. */
365extern boolean _bfd_dwarf1_find_nearest_line
366 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
367 const char **, unsigned int *));
368
369/* Find the nearest line using DWARF 2 debugging information. */
370extern boolean _bfd_dwarf2_find_nearest_line
371 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
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372 const char **, unsigned int *, unsigned int,
373 PTR *));
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374
375/* A routine to create entries for a bfd_link_hash_table. */
376extern struct bfd_hash_entry *_bfd_link_hash_newfunc
377 PARAMS ((struct bfd_hash_entry *entry,
378 struct bfd_hash_table *table,
379 const char *string));
380
381/* Initialize a bfd_link_hash_table. */
382extern boolean _bfd_link_hash_table_init
383 PARAMS ((struct bfd_link_hash_table *, bfd *,
384 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
385 struct bfd_hash_table *,
386 const char *)));
387
388/* Generic link hash table creation routine. */
389extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
390 PARAMS ((bfd *));
391
392/* Generic add symbol routine. */
393extern boolean _bfd_generic_link_add_symbols
394 PARAMS ((bfd *, struct bfd_link_info *));
395
396/* Generic add symbol routine. This version is used by targets for
397 which the linker must collect constructors and destructors by name,
398 as the collect2 program does. */
399extern boolean _bfd_generic_link_add_symbols_collect
400 PARAMS ((bfd *, struct bfd_link_info *));
401
402/* Generic archive add symbol routine. */
403extern boolean _bfd_generic_link_add_archive_symbols
404 PARAMS ((bfd *, struct bfd_link_info *,
405 boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
406
407
408
409/* Forward declaration to avoid prototype errors. */
410typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
411
412/* Generic routine to add a single symbol. */
413extern boolean _bfd_generic_link_add_one_symbol
414 PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
415 asection *, bfd_vma, const char *, boolean copy,
416 boolean constructor, struct bfd_link_hash_entry **));
417
418/* Generic link routine. */
419extern boolean _bfd_generic_final_link
420 PARAMS ((bfd *, struct bfd_link_info *));
421
422extern boolean _bfd_generic_link_split_section
423 PARAMS ((bfd *, struct sec *));
424
425/* Generic reloc_link_order processing routine. */
426extern boolean _bfd_generic_reloc_link_order
427 PARAMS ((bfd *, struct bfd_link_info *, asection *,
428 struct bfd_link_order *));
429
430/* Default link order processing routine. */
431extern boolean _bfd_default_link_order
432 PARAMS ((bfd *, struct bfd_link_info *, asection *,
433 struct bfd_link_order *));
434
435/* Count the number of reloc entries in a link order list. */
436extern unsigned int _bfd_count_link_order_relocs
437 PARAMS ((struct bfd_link_order *));
438
439/* Final link relocation routine. */
440extern bfd_reloc_status_type _bfd_final_link_relocate
441 PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
dc810e39 442 bfd_vma, bfd_vma, bfd_vma));
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443
444/* Relocate a particular location by a howto and a value. */
445extern bfd_reloc_status_type _bfd_relocate_contents
446 PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
447
448/* Link stabs in sections in the first pass. */
449
450extern boolean _bfd_link_section_stabs
451 PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
452
453/* Write out the .stab section when linking stabs in sections. */
454
455extern boolean _bfd_write_section_stabs
456 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
457
458/* Write out the .stabstr string table when linking stabs in sections. */
459
460extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
461
462/* Find an offset within a .stab section when linking stabs in
463 sections. */
464
465extern bfd_vma _bfd_stab_section_offset
466 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
467
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468/* Attempt to merge a SEC_MERGE section. */
469
470extern boolean _bfd_merge_section
471 PARAMS ((bfd *, PTR *, asection *, PTR *));
472
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473/* Attempt to merge SEC_MERGE sections. */
474
475extern boolean _bfd_merge_sections
476 PARAMS ((bfd *, PTR));
477
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478/* Write out a merged section. */
479
480extern boolean _bfd_write_merged_section
481 PARAMS ((bfd *, asection *, PTR));
482
483/* Find an offset within a modified SEC_MERGE section. */
484
485extern bfd_vma _bfd_merged_section_offset
486 PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma));
487
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RH
488/* Create a string table. */
489extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
490
491/* Create an XCOFF .debug section style string table. */
492extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
493
494/* Free a string table. */
495extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
496
497/* Get the size of a string table. */
498extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
499
500/* Add a string to a string table. */
501extern bfd_size_type _bfd_stringtab_add
502 PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
503 boolean copy));
504
505/* Write out a string table. */
506extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
875f7f69
JR
507
508/* Check that endianness of input and output file match. */
509extern boolean _bfd_generic_verify_endian_match PARAMS ((bfd *, bfd *));
252b5132
RH
510\f
511/* Macros to tell if bfds are read or write enabled.
512
513 Note that bfds open for read may be scribbled into if the fd passed
514 to bfd_fdopenr is actually open both for read and write
515 simultaneously. However an output bfd will never be open for
516 read. Therefore sometimes you want to check bfd_read_p or
517 !bfd_read_p, and only sometimes bfd_write_p.
518*/
519
520#define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
521#define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
522
523void bfd_assert PARAMS ((const char*,int));
524
525#define BFD_ASSERT(x) \
526{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
527
528#define BFD_FAIL() \
529{ bfd_assert(__FILE__,__LINE__); }
530
c0bed66d
ILT
531extern void _bfd_abort PARAMS ((const char *, int, const char *))
532 ATTRIBUTE_NORETURN;
533
a1934524
AM
534/* if gcc >= 2.6, we can give a function name, too */
535#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
c0bed66d
ILT
536#define __PRETTY_FUNCTION__ ((char *) NULL)
537#endif
538
539#undef abort
540#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
541
252b5132
RH
542FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
543
544extern bfd *bfd_last_cache;
545
546/* List of supported target vectors, and the default vector (if
547 bfd_default_vector[0] is NULL, there is no default). */
7340082d 548extern const bfd_target * const *bfd_target_vector;
252b5132
RH
549extern const bfd_target *bfd_default_vector[];
550
551/* Functions shared by the ECOFF and MIPS ELF backends, which have no
552 other common header files. */
553
554#if defined(__STDC__) || defined(ALMOST_STDC)
555struct ecoff_find_line;
556#endif
557
558extern boolean _bfd_ecoff_locate_line
559 PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
560 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
561 const char **, const char **, unsigned int *));
562extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
563extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
564extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
565
566extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
567extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
568
569/* Function shared by the COFF and ELF SH backends, which have no
570 other common header files. */
571
572extern boolean _bfd_sh_align_load_span
573 PARAMS ((bfd *, asection *, bfd_byte *,
574 boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
575 PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
576
577/* And more follows */
578
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