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* Makefile.am (libbfd.h): Add "Extracted from.." comment.
[thirdparty/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.)
7898deda 3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
e2d34d7d 4 2000, 2001, 2002
dc93fc57 5 Free Software Foundation, Inc.
252b5132
RH		 6 Written by Cygnus Support.
7
252b5132
RH		 8This file is part of BFD, the Binary File Descriptor library.
9
10This program is free software; you can redistribute it and/or modify
11it under the terms of the GNU General Public License as published by
12the Free Software Foundation; either version 2 of the License, or
13(at your option) any later version.
14
15This program is distributed in the hope that it will be useful,
16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18GNU General Public License for more details.
19
20You should have received a copy of the GNU General Public License
21along with this program; if not, write to the Free Software
22Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23
24/* Align an address upward to a boundary, expressed as a number of bytes.
25 E.g. align to an 8-byte boundary with argument of 8. Take care never
26 to wrap around if the address is within boundary-1 of the end of the
27 address space. */
dc810e39
AM		 28#define BFD_ALIGN(this, boundary) \
29 ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \
30 ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \
252b5132
RH		 31 : ~ (bfd_vma) 0)
32
33/* If you want to read and write large blocks, you might want to do it
34 in quanta of this amount */
35#define DEFAULT_BUFFERSIZE 8192
36
37/* Set a tdata field. Can't use the other macros for this, since they
38 do casts, and casting to the left of assignment isn't portable. */
39#define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v))
40
41/* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
42 to an instance of this structure. */
43
44struct bfd_in_memory
45{
46 /* Size of buffer. */
47 bfd_size_type size;
48 /* Buffer holding contents of BFD. */
49 bfd_byte *buffer;
50};
51
52/* tdata for an archive. For an input archive, cache
53 needs to be free()'d. For an output archive, symdefs do. */
54
55struct artdata {
56 file_ptr first_file_filepos;
57 /* Speed up searching the armap */
58 struct ar_cache *cache;
52b219b5 59 bfd *archive_head; /* Only interesting in output routines */
252b5132 60 carsym *symdefs; /* the symdef entries */
52b219b5 61 symindex symdef_count; /* how many there are */
252b5132
RH		 62 char *extended_names; /* clever intel extension */
63 /* when more compilers are standard C, this can be a time_t */
64 long armap_timestamp; /* Timestamp value written into armap.
65 This is used for BSD archives to check
66 that the timestamp is recent enough
67 for the BSD linker to not complain,
68 just before we finish writing an
69 archive. */
70 file_ptr armap_datepos; /* Position within archive to seek to
71 rewrite the date field. */
72 PTR tdata; /* Backend specific information. */
73};
74
75#define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
76
77/* Goes in bfd's arelt_data slot */
78struct areltdata {
52b219b5
AM		 79 char * arch_header; /* it's actually a string */
80 unsigned int parsed_size; /* octets of filesize not including ar_hdr */
81 char *filename; /* null-terminated */
252b5132
RH		 82};
83
84#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
85
dc810e39
AM		 86extern PTR bfd_malloc PARAMS ((bfd_size_type));
87extern PTR bfd_realloc PARAMS ((PTR, bfd_size_type));
88extern PTR bfd_zmalloc PARAMS ((bfd_size_type));
252b5132
RH		 89
90extern bfd_error_handler_type _bfd_error_handler;
91
92/* These routines allocate and free things on the BFD's objalloc. */
93
dc810e39
AM		 94extern PTR bfd_alloc PARAMS ((bfd *, bfd_size_type));
95extern PTR bfd_zalloc PARAMS ((bfd *, bfd_size_type));
252b5132
RH		 96extern void bfd_release PARAMS ((bfd *, PTR));
97
98bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
dc810e39 99bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *, file_ptr));
252b5132
RH		 100boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
101boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
102const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
103boolean bfd_slurp_armap PARAMS ((bfd *abfd));
104boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd));
105#define bfd_slurp_bsd_armap bfd_slurp_armap
106#define bfd_slurp_coff_armap bfd_slurp_armap
107boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
108extern boolean _bfd_construct_extended_name_table
109 PARAMS ((bfd *, boolean, char **, bfd_size_type *));
110boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
111boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
112bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
113extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
114bfd * _bfd_new_bfd PARAMS ((void));
73e87d70 115void _bfd_delete_bfd PARAMS ((bfd *));
252b5132
RH		 116
117boolean bfd_false PARAMS ((bfd *ignore));
118boolean bfd_true PARAMS ((bfd *ignore));
119PTR bfd_nullvoidptr PARAMS ((bfd *ignore));
120int bfd_0 PARAMS ((bfd *ignore));
121unsigned int bfd_0u PARAMS ((bfd *ignore));
122long bfd_0l PARAMS ((bfd *ignore));
123long _bfd_n1 PARAMS ((bfd *ignore));
124void bfd_void PARAMS ((bfd *ignore));
125
126bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
127const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
128
52b219b5 129void bfd_dont_truncate_arname PARAMS ((bfd *abfd, const char *filename,
252b5132 130 char *hdr));
52b219b5 131void bfd_bsd_truncate_arname PARAMS ((bfd *abfd, const char *filename,
252b5132 132 char *hdr));
52b219b5 133void bfd_gnu_truncate_arname PARAMS ((bfd *abfd, const char *filename,
252b5132
RH		 134 char *hdr));
135
136boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
137 struct orl *map, unsigned int orl_count, int stridx));
138
139boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
140 struct orl *map, unsigned int orl_count, int stridx));
141
142extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
143
144extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
145
146bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
147 bfd *last_file));
148
149int bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
150
151#define _bfd_read_ar_hdr(abfd) \
152 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
153\f
154/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
155 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
156
157#define _bfd_generic_close_and_cleanup bfd_true
158#define _bfd_generic_bfd_free_cached_info bfd_true
159#define _bfd_generic_new_section_hook \
160 ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
161extern boolean _bfd_generic_get_section_contents
dc810e39 162 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
252b5132
RH		 163extern boolean _bfd_generic_get_section_contents_in_window
164 PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
165
166/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
167 BFD_JUMP_TABLE_COPY (_bfd_generic). */
168
169#define _bfd_generic_bfd_copy_private_bfd_data \
170 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
171#define _bfd_generic_bfd_merge_private_bfd_data \
172 ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
173#define _bfd_generic_bfd_set_private_flags \
174 ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
175#define _bfd_generic_bfd_copy_private_section_data \
176 ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
177#define _bfd_generic_bfd_copy_private_symbol_data \
178 ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
179#define _bfd_generic_bfd_print_private_bfd_data \
180 ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
181
182/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
183 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
184
185extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
186extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
187extern boolean _bfd_nocore_core_file_matches_executable_p
188 PARAMS ((bfd *, bfd *));
189
190/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
191 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
192
193#define _bfd_noarchive_slurp_armap bfd_false
194#define _bfd_noarchive_slurp_extended_name_table bfd_false
195#define _bfd_noarchive_construct_extended_name_table \
196 ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
197 bfd_false)
198#define _bfd_noarchive_truncate_arname \
199 ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
200#define _bfd_noarchive_write_armap \
201 ((boolean (*) \
202 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
203 bfd_false)
204#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
205#define _bfd_noarchive_openr_next_archived_file \
206 ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
207#define _bfd_noarchive_get_elt_at_index \
208 ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
209#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
210#define _bfd_noarchive_update_armap_timestamp bfd_false
211
212/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
213 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
214
215#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
216#define _bfd_archive_bsd_slurp_extended_name_table \
217 _bfd_slurp_extended_name_table
218extern boolean _bfd_archive_bsd_construct_extended_name_table
219 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
220#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
221#define _bfd_archive_bsd_write_armap bsd_write_armap
222#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
223#define _bfd_archive_bsd_openr_next_archived_file \
224 bfd_generic_openr_next_archived_file
225#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
226#define _bfd_archive_bsd_generic_stat_arch_elt \
227 bfd_generic_stat_arch_elt
228extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
229
230/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
231 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
232
233#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
234#define _bfd_archive_coff_slurp_extended_name_table \
235 _bfd_slurp_extended_name_table
236extern boolean _bfd_archive_coff_construct_extended_name_table
237 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
238#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
239#define _bfd_archive_coff_write_armap coff_write_armap
240#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
241#define _bfd_archive_coff_openr_next_archived_file \
242 bfd_generic_openr_next_archived_file
243#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
244#define _bfd_archive_coff_generic_stat_arch_elt \
245 bfd_generic_stat_arch_elt
246#define _bfd_archive_coff_update_armap_timestamp bfd_true
247
248/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
249 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
250
251#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
252#define _bfd_nosymbols_get_symtab \
253 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
3f3c5c34 254#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
252b5132
RH		 255#define _bfd_nosymbols_print_symbol \
256 ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
257#define _bfd_nosymbols_get_symbol_info \
258 ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
259#define _bfd_nosymbols_bfd_is_local_label_name \
260 ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
261#define _bfd_nosymbols_get_lineno \
262 ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
263#define _bfd_nosymbols_find_nearest_line \
264 ((boolean (*) \
265 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
266 const char **, unsigned int *))) \
267 bfd_false)
268#define _bfd_nosymbols_bfd_make_debug_symbol \
269 ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
270#define _bfd_nosymbols_read_minisymbols \
271 ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1)
272#define _bfd_nosymbols_minisymbol_to_symbol \
273 ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \
274 bfd_nullvoidptr)
275
276/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
277 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
278
279#define _bfd_norelocs_get_reloc_upper_bound \
280 ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
281#define _bfd_norelocs_canonicalize_reloc \
282 ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
283#define _bfd_norelocs_bfd_reloc_type_lookup \
284 ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
285 bfd_nullvoidptr)
286
287/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
288 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
289
290#define _bfd_nowrite_set_arch_mach \
291 ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
292 bfd_false)
293#define _bfd_nowrite_set_section_contents \
294 ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
295 bfd_false)
296
297/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
298 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
299
300#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
301extern boolean _bfd_generic_set_section_contents
302 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
303
304/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
305 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
306
307#define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
308#define _bfd_nolink_bfd_get_relocated_section_contents \
309 ((bfd_byte *(*) \
310 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
311 bfd_byte *, boolean, asymbol **))) \
312 bfd_nullvoidptr)
313#define _bfd_nolink_bfd_relax_section \
314 ((boolean (*) \
315 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
316 bfd_false)
317#define _bfd_nolink_bfd_gc_sections \
318 ((boolean (*) \
319 PARAMS ((bfd *, struct bfd_link_info *))) \
320 bfd_false)
8550eb6e
JJ		 321#define _bfd_nolink_bfd_merge_sections \
322 ((boolean (*) \
323 PARAMS ((bfd *, struct bfd_link_info *))) \
324 bfd_false)
252b5132
RH		 325#define _bfd_nolink_bfd_link_hash_table_create \
326 ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
e2d34d7d
DJ		 327#define _bfd_nolink_bfd_link_hash_table_free \
328 ((void (*) PARAMS ((struct bfd_link_hash_table *))) bfd_void)
252b5132
RH		 329#define _bfd_nolink_bfd_link_add_symbols \
330 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
2d653fc7
AM		 331#define _bfd_nolink_bfd_link_just_syms \
332 ((void (*) PARAMS ((asection *, struct bfd_link_info *))) bfd_void)
252b5132
RH		 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 **,
51db3708
NC		 372 const char **, unsigned int *, unsigned int,
373 PTR *));
252b5132 374
73e87d70
AM		 375/* Create a new section entry. */
376extern struct bfd_hash_entry *bfd_section_hash_newfunc
377 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
378
252b5132
RH		 379/* A routine to create entries for a bfd_link_hash_table. */
380extern struct bfd_hash_entry *_bfd_link_hash_newfunc
381 PARAMS ((struct bfd_hash_entry *entry,
382 struct bfd_hash_table *table,
383 const char *string));
384
385/* Initialize a bfd_link_hash_table. */
386extern boolean _bfd_link_hash_table_init
387 PARAMS ((struct bfd_link_hash_table *, bfd *,
388 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
389 struct bfd_hash_table *,
390 const char *)));
391
392/* Generic link hash table creation routine. */
393extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
394 PARAMS ((bfd *));
395
e2d34d7d
DJ		 396/* Generic link hash table destruction routine. */
397extern void _bfd_generic_link_hash_table_free
398 PARAMS ((struct bfd_link_hash_table *));
399
252b5132
RH		 400/* Generic add symbol routine. */
401extern boolean _bfd_generic_link_add_symbols
402 PARAMS ((bfd *, struct bfd_link_info *));
403
404/* Generic add symbol routine. This version is used by targets for
405 which the linker must collect constructors and destructors by name,
406 as the collect2 program does. */
407extern boolean _bfd_generic_link_add_symbols_collect
408 PARAMS ((bfd *, struct bfd_link_info *));
409
410/* Generic archive add symbol routine. */
411extern boolean _bfd_generic_link_add_archive_symbols
412 PARAMS ((bfd *, struct bfd_link_info *,
413 boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
414
252b5132
RH		 415/* Forward declaration to avoid prototype errors. */
416typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
417
418/* Generic routine to add a single symbol. */
419extern boolean _bfd_generic_link_add_one_symbol
420 PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
421 asection *, bfd_vma, const char *, boolean copy,
422 boolean constructor, struct bfd_link_hash_entry **));
423
2d653fc7
AM		 424/* Generic routine to mark section as supplying symbols only. */
425extern void _bfd_generic_link_just_syms
426 PARAMS ((asection *, struct bfd_link_info *));
427
252b5132
RH		 428/* Generic link routine. */
429extern boolean _bfd_generic_final_link
430 PARAMS ((bfd *, struct bfd_link_info *));
431
432extern boolean _bfd_generic_link_split_section
433 PARAMS ((bfd *, struct sec *));
434
435/* Generic reloc_link_order processing routine. */
436extern boolean _bfd_generic_reloc_link_order
437 PARAMS ((bfd *, struct bfd_link_info *, asection *,
438 struct bfd_link_order *));
439
440/* Default link order processing routine. */
441extern boolean _bfd_default_link_order
442 PARAMS ((bfd *, struct bfd_link_info *, asection *,
443 struct bfd_link_order *));
444
445/* Count the number of reloc entries in a link order list. */
446extern unsigned int _bfd_count_link_order_relocs
447 PARAMS ((struct bfd_link_order *));
448
449/* Final link relocation routine. */
450extern bfd_reloc_status_type _bfd_final_link_relocate
451 PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
dc810e39 452 bfd_vma, bfd_vma, bfd_vma));
252b5132
RH		 453
454/* Relocate a particular location by a howto and a value. */
455extern bfd_reloc_status_type _bfd_relocate_contents
456 PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
457
458/* Link stabs in sections in the first pass. */
459
460extern boolean _bfd_link_section_stabs
461 PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
462
73d074b4
DJ		 463/* Eliminate stabs for discarded functions and symbols. */
464extern boolean _bfd_discard_section_stabs
465 PARAMS ((bfd *, asection *, PTR,
466 boolean (*) (bfd_vma, PTR), PTR));
467
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RH		 468/* Write out the .stab section when linking stabs in sections. */
469
470extern boolean _bfd_write_section_stabs
471 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
472
473/* Write out the .stabstr string table when linking stabs in sections. */
474
475extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
476
477/* Find an offset within a .stab section when linking stabs in
478 sections. */
479
480extern bfd_vma _bfd_stab_section_offset
481 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
482
f5fa8ca2
JJ		 483/* Attempt to merge a SEC_MERGE section. */
484
485extern boolean _bfd_merge_section
486 PARAMS ((bfd *, PTR *, asection *, PTR *));
487
8550eb6e
JJ		 488/* Attempt to merge SEC_MERGE sections. */
489
490extern boolean _bfd_merge_sections
d3c456e9 491 PARAMS ((bfd *, PTR, void (*)(bfd *, asection *)));
8550eb6e 492
f5fa8ca2
JJ		 493/* Write out a merged section. */
494
495extern boolean _bfd_write_merged_section
496 PARAMS ((bfd *, asection *, PTR));
497
498/* Find an offset within a modified SEC_MERGE section. */
499
500extern bfd_vma _bfd_merged_section_offset
501 PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma));
502
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RH		 503/* Create a string table. */
504extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
505
506/* Create an XCOFF .debug section style string table. */
507extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
508
509/* Free a string table. */
510extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
511
512/* Get the size of a string table. */
513extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
514
515/* Add a string to a string table. */
516extern bfd_size_type _bfd_stringtab_add
517 PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
518 boolean copy));
519
520/* Write out a string table. */
521extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
875f7f69
JR		 522
523/* Check that endianness of input and output file match. */
524extern boolean _bfd_generic_verify_endian_match PARAMS ((bfd *, bfd *));
252b5132
RH		 525\f
526/* Macros to tell if bfds are read or write enabled.
527
528 Note that bfds open for read may be scribbled into if the fd passed
529 to bfd_fdopenr is actually open both for read and write
530 simultaneously. However an output bfd will never be open for
531 read. Therefore sometimes you want to check bfd_read_p or
532 !bfd_read_p, and only sometimes bfd_write_p.
533*/
534
535#define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
536#define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
537
538void bfd_assert PARAMS ((const char*,int));
539
540#define BFD_ASSERT(x) \
541{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
542
543#define BFD_FAIL() \
544{ bfd_assert(__FILE__,__LINE__); }
545
c0bed66d
ILT		 546extern void _bfd_abort PARAMS ((const char *, int, const char *))
547 ATTRIBUTE_NORETURN;
548
a1934524
AM		 549/* if gcc >= 2.6, we can give a function name, too */
550#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
c0bed66d
ILT		 551#define __PRETTY_FUNCTION__ ((char *) NULL)
552#endif
553
554#undef abort
555#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
556
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RH		 557FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
558
559extern bfd *bfd_last_cache;
560
561/* List of supported target vectors, and the default vector (if
562 bfd_default_vector[0] is NULL, there is no default). */
7340082d 563extern const bfd_target * const *bfd_target_vector;
252b5132
RH		 564extern const bfd_target *bfd_default_vector[];
565
566/* Functions shared by the ECOFF and MIPS ELF backends, which have no
567 other common header files. */
568
569#if defined(__STDC__) || defined(ALMOST_STDC)
570struct ecoff_find_line;
571#endif
572
573extern boolean _bfd_ecoff_locate_line
574 PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
575 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
576 const char **, const char **, unsigned int *));
577extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
578extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
579extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
580
581extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
582extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
583
584/* Function shared by the COFF and ELF SH backends, which have no
585 other common header files. */
586
587extern boolean _bfd_sh_align_load_span
588 PARAMS ((bfd *, asection *, bfd_byte *,
589 boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
590 PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
591
592/* And more follows */
593
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