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2002-04-04 Michael Snyder <msnyder@redhat.com>
[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.)
7898deda
NC		 3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 2000, 2001
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)
327#define _bfd_nolink_bfd_link_add_symbols \
328 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
329#define _bfd_nolink_bfd_final_link \
330 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
331#define _bfd_nolink_bfd_link_split_section \
332 ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
333
334/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
335 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
336 (_bfd_nodynamic). */
337
338#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
339#define _bfd_nodynamic_canonicalize_dynamic_symtab \
340 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
341#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
342#define _bfd_nodynamic_canonicalize_dynamic_reloc \
343 ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
344\f
345/* Generic routine to determine of the given symbol is a local
346 label. */
347extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
348
349/* Generic minisymbol routines. */
350extern long _bfd_generic_read_minisymbols
351 PARAMS ((bfd *, boolean, PTR *, unsigned int *));
352extern asymbol *_bfd_generic_minisymbol_to_symbol
353 PARAMS ((bfd *, boolean, const PTR, asymbol *));
354
355/* Find the nearest line using .stab/.stabstr sections. */
356extern boolean _bfd_stab_section_find_nearest_line
357 PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
358 const char **, unsigned int *, PTR *));
359
360/* Find the neaderst line using DWARF 1 debugging information. */
361extern boolean _bfd_dwarf1_find_nearest_line
362 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
363 const char **, unsigned int *));
364
365/* Find the nearest line using DWARF 2 debugging information. */
366extern boolean _bfd_dwarf2_find_nearest_line
367 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
51db3708
NC		 368 const char **, unsigned int *, unsigned int,
369 PTR *));
252b5132 370
73e87d70
AM		 371/* Create a new section entry. */
372extern struct bfd_hash_entry *bfd_section_hash_newfunc
373 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
374
252b5132
RH		 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));
252b5132
RH		 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
73d074b4
DJ		 453/* Eliminate stabs for discarded functions and symbols. */
454extern boolean _bfd_discard_section_stabs
455 PARAMS ((bfd *, asection *, PTR,
456 boolean (*) (bfd_vma, PTR), PTR));
457
252b5132
RH		 458/* Write out the .stab section when linking stabs in sections. */
459
460extern boolean _bfd_write_section_stabs
461 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
462
463/* Write out the .stabstr string table when linking stabs in sections. */
464
465extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
466
467/* Find an offset within a .stab section when linking stabs in
468 sections. */
469
470extern bfd_vma _bfd_stab_section_offset
471 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
472
f5fa8ca2
JJ		 473/* Attempt to merge a SEC_MERGE section. */
474
475extern boolean _bfd_merge_section
476 PARAMS ((bfd *, PTR *, asection *, PTR *));
477
8550eb6e
JJ		 478/* Attempt to merge SEC_MERGE sections. */
479
480extern boolean _bfd_merge_sections
d3c456e9 481 PARAMS ((bfd *, PTR, void (*)(bfd *, asection *)));
8550eb6e 482
f5fa8ca2
JJ		 483/* Write out a merged section. */
484
485extern boolean _bfd_write_merged_section
486 PARAMS ((bfd *, asection *, PTR));
487
488/* Find an offset within a modified SEC_MERGE section. */
489
490extern bfd_vma _bfd_merged_section_offset
491 PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma));
492
252b5132
RH		 493/* Create a string table. */
494extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
495
496/* Create an XCOFF .debug section style string table. */
497extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
498
499/* Free a string table. */
500extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
501
502/* Get the size of a string table. */
503extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
504
505/* Add a string to a string table. */
506extern bfd_size_type _bfd_stringtab_add
507 PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
508 boolean copy));
509
510/* Write out a string table. */
511extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
875f7f69
JR		 512
513/* Check that endianness of input and output file match. */
514extern boolean _bfd_generic_verify_endian_match PARAMS ((bfd *, bfd *));
252b5132
RH		 515\f
516/* Macros to tell if bfds are read or write enabled.
517
518 Note that bfds open for read may be scribbled into if the fd passed
519 to bfd_fdopenr is actually open both for read and write
520 simultaneously. However an output bfd will never be open for
521 read. Therefore sometimes you want to check bfd_read_p or
522 !bfd_read_p, and only sometimes bfd_write_p.
523*/
524
525#define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
526#define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
527
528void bfd_assert PARAMS ((const char*,int));
529
530#define BFD_ASSERT(x) \
531{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
532
533#define BFD_FAIL() \
534{ bfd_assert(__FILE__,__LINE__); }
535
c0bed66d
ILT		 536extern void _bfd_abort PARAMS ((const char *, int, const char *))
537 ATTRIBUTE_NORETURN;
538
a1934524
AM		 539/* if gcc >= 2.6, we can give a function name, too */
540#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
c0bed66d
ILT		 541#define __PRETTY_FUNCTION__ ((char *) NULL)
542#endif
543
544#undef abort
545#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
546
252b5132
RH		 547FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
548
549extern bfd *bfd_last_cache;
550
551/* List of supported target vectors, and the default vector (if
552 bfd_default_vector[0] is NULL, there is no default). */
7340082d 553extern const bfd_target * const *bfd_target_vector;
252b5132
RH		 554extern const bfd_target *bfd_default_vector[];
555
556/* Functions shared by the ECOFF and MIPS ELF backends, which have no
557 other common header files. */
558
559#if defined(__STDC__) || defined(ALMOST_STDC)
560struct ecoff_find_line;
561#endif
562
563extern boolean _bfd_ecoff_locate_line
564 PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
565 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
566 const char **, const char **, unsigned int *));
567extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
568extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
569extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
570
571extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
572extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
573
574/* Function shared by the COFF and ELF SH backends, which have no
575 other common header files. */
576
577extern boolean _bfd_sh_align_load_span
578 PARAMS ((bfd *, asection *, bfd_byte *,
579 boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
580 PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
581
582/* And more follows */
583
GDB Binutils - Deliverables
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