source: branches/libc-0.6/src/binutils/bfd/libbfd-in.h

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1/* libbfd.h -- Declarations used by bfd library *implementation*.
2 (This include file is not for users of the library.)
3 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 2000, 2001, 2002
5 Free Software Foundation, Inc.
6 Written by Cygnus Support.
7
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. */
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)) \
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;
59 bfd *archive_head; /* Only interesting in output routines */
60 carsym *symdefs; /* the symdef entries */
61 symindex symdef_count; /* how many there are */
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 {
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 */
82};
83
84#define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
85
86extern PTR bfd_malloc
87 PARAMS ((bfd_size_type));
88extern PTR bfd_realloc
89 PARAMS ((PTR, bfd_size_type));
90extern PTR bfd_zmalloc
91 PARAMS ((bfd_size_type));
92
93extern bfd_error_handler_type _bfd_error_handler;
94
95/* These routines allocate and free things on the BFD's objalloc. */
96
97extern PTR bfd_alloc
98 PARAMS ((bfd *, bfd_size_type));
99extern PTR bfd_zalloc
100 PARAMS ((bfd *, bfd_size_type));
101extern void bfd_release
102 PARAMS ((bfd *, PTR));
103
104bfd * _bfd_create_empty_archive_element_shell
105 PARAMS ((bfd *obfd));
106bfd * _bfd_look_for_bfd_in_cache
107 PARAMS ((bfd *, file_ptr));
108bfd_boolean _bfd_add_bfd_to_archive_cache
109 PARAMS ((bfd *, file_ptr, bfd *));
110bfd_boolean _bfd_generic_mkarchive
111 PARAMS ((bfd *abfd));
112const bfd_target *bfd_generic_archive_p
113 PARAMS ((bfd *abfd));
114bfd_boolean bfd_slurp_armap
115 PARAMS ((bfd *abfd));
116bfd_boolean bfd_slurp_bsd_armap_f2
117 PARAMS ((bfd *abfd));
118#define bfd_slurp_bsd_armap bfd_slurp_armap
119#define bfd_slurp_coff_armap bfd_slurp_armap
120bfd_boolean _bfd_slurp_extended_name_table
121 PARAMS ((bfd *abfd));
122extern bfd_boolean _bfd_construct_extended_name_table
123 PARAMS ((bfd *, bfd_boolean, char **, bfd_size_type *));
124bfd_boolean _bfd_write_archive_contents
125 PARAMS ((bfd *abfd));
126bfd_boolean _bfd_compute_and_write_armap
127 PARAMS ((bfd *, unsigned int elength));
128bfd *_bfd_get_elt_at_filepos
129 PARAMS ((bfd *archive, file_ptr filepos));
130extern bfd *_bfd_generic_get_elt_at_index
131 PARAMS ((bfd *, symindex));
132bfd * _bfd_new_bfd
133 PARAMS ((void));
134void _bfd_delete_bfd
135 PARAMS ((bfd *));
136
137bfd_boolean bfd_false
138 PARAMS ((bfd *ignore));
139bfd_boolean bfd_true
140 PARAMS ((bfd *ignore));
141PTR bfd_nullvoidptr
142 PARAMS ((bfd *ignore));
143int bfd_0
144 PARAMS ((bfd *ignore));
145unsigned int bfd_0u
146 PARAMS ((bfd *ignore));
147long bfd_0l
148 PARAMS ((bfd *ignore));
149long _bfd_n1
150 PARAMS ((bfd *ignore));
151void bfd_void
152 PARAMS ((bfd *ignore));
153
154bfd *_bfd_new_bfd_contained_in
155 PARAMS ((bfd *));
156const bfd_target *_bfd_dummy_target
157 PARAMS ((bfd *abfd));
158
159void bfd_dont_truncate_arname
160 PARAMS ((bfd *abfd, const char *filename, char *hdr));
161void bfd_bsd_truncate_arname
162 PARAMS ((bfd *abfd, const char *filename, char *hdr));
163void bfd_gnu_truncate_arname
164 PARAMS ((bfd *abfd, const char *filename, char *hdr));
165
166bfd_boolean bsd_write_armap
167 PARAMS ((bfd *arch, unsigned int elength, struct orl *map,
168 unsigned int orl_count, int stridx));
169
170bfd_boolean coff_write_armap
171 PARAMS ((bfd *arch, unsigned int elength, struct orl *map,
172 unsigned int orl_count, int stridx));
173
174extern PTR _bfd_generic_read_ar_hdr
175 PARAMS ((bfd *));
176
177extern PTR _bfd_generic_read_ar_hdr_mag
178 PARAMS ((bfd *, const char *));
179
180bfd * bfd_generic_openr_next_archived_file
181 PARAMS ((bfd *archive, bfd *last_file));
182
183int bfd_generic_stat_arch_elt
184 PARAMS ((bfd *, struct stat *));
185
186#define _bfd_read_ar_hdr(abfd) \
187 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
188
189
190/* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
191 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
192
193#define _bfd_generic_close_and_cleanup bfd_true
194#define _bfd_generic_bfd_free_cached_info bfd_true
195#define _bfd_generic_new_section_hook \
196 ((bfd_boolean (*) PARAMS ((bfd *, asection *))) bfd_true)
197extern bfd_boolean _bfd_generic_get_section_contents
198 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
199extern bfd_boolean _bfd_generic_get_section_contents_in_window
200 PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
201
202/* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
203 BFD_JUMP_TABLE_COPY (_bfd_generic). */
204
205#define _bfd_generic_bfd_copy_private_bfd_data \
206 ((bfd_boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
207#define _bfd_generic_bfd_merge_private_bfd_data \
208 ((bfd_boolean (*) PARAMS ((bfd *, bfd *))) bfd_true)
209#define _bfd_generic_bfd_set_private_flags \
210 ((bfd_boolean (*) PARAMS ((bfd *, flagword))) bfd_true)
211#define _bfd_generic_bfd_copy_private_section_data \
212 ((bfd_boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true)
213#define _bfd_generic_bfd_copy_private_symbol_data \
214 ((bfd_boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true)
215#define _bfd_generic_bfd_print_private_bfd_data \
216 ((bfd_boolean (*) PARAMS ((bfd *, PTR))) bfd_true)
217
218/* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
219 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
220
221extern char *_bfd_nocore_core_file_failing_command
222 PARAMS ((bfd *));
223extern int _bfd_nocore_core_file_failing_signal
224 PARAMS ((bfd *));
225extern bfd_boolean _bfd_nocore_core_file_matches_executable_p
226 PARAMS ((bfd *, bfd *));
227
228/* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
229 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
230
231#define _bfd_noarchive_slurp_armap bfd_false
232#define _bfd_noarchive_slurp_extended_name_table bfd_false
233#define _bfd_noarchive_construct_extended_name_table \
234 ((bfd_boolean (*) \
235 PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
236 bfd_false)
237#define _bfd_noarchive_truncate_arname \
238 ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
239#define _bfd_noarchive_write_armap \
240 ((bfd_boolean (*) \
241 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
242 bfd_false)
243#define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr
244#define _bfd_noarchive_openr_next_archived_file \
245 ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr)
246#define _bfd_noarchive_get_elt_at_index \
247 ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr)
248#define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt
249#define _bfd_noarchive_update_armap_timestamp bfd_false
250
251/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
252 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
253
254#define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap
255#define _bfd_archive_bsd_slurp_extended_name_table \
256 _bfd_slurp_extended_name_table
257extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table
258 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
259#define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname
260#define _bfd_archive_bsd_write_armap bsd_write_armap
261#define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr
262#define _bfd_archive_bsd_openr_next_archived_file \
263 bfd_generic_openr_next_archived_file
264#define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index
265#define _bfd_archive_bsd_generic_stat_arch_elt \
266 bfd_generic_stat_arch_elt
267extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp
268 PARAMS ((bfd *));
269
270/* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
271 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
272
273#define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap
274#define _bfd_archive_coff_slurp_extended_name_table \
275 _bfd_slurp_extended_name_table
276extern bfd_boolean _bfd_archive_coff_construct_extended_name_table
277 PARAMS ((bfd *, char **, bfd_size_type *, const char **));
278#define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname
279#define _bfd_archive_coff_write_armap coff_write_armap
280#define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr
281#define _bfd_archive_coff_openr_next_archived_file \
282 bfd_generic_openr_next_archived_file
283#define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index
284#define _bfd_archive_coff_generic_stat_arch_elt \
285 bfd_generic_stat_arch_elt
286#define _bfd_archive_coff_update_armap_timestamp bfd_true
287
288/* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
289 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
290
291#define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
292#define _bfd_nosymbols_get_symtab \
293 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
294#define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
295#define _bfd_nosymbols_print_symbol \
296 ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void)
297#define _bfd_nosymbols_get_symbol_info \
298 ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void)
299#define _bfd_nosymbols_bfd_is_local_label_name \
300 ((bfd_boolean (*) PARAMS ((bfd *, const char *))) bfd_false)
301#define _bfd_nosymbols_get_lineno \
302 ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr)
303#define _bfd_nosymbols_find_nearest_line \
304 ((bfd_boolean (*) \
305 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
306 const char **, unsigned int *))) \
307 bfd_false)
308#define _bfd_nosymbols_bfd_make_debug_symbol \
309 ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr)
310#define _bfd_nosymbols_read_minisymbols \
311 ((long (*) PARAMS ((bfd *, bfd_boolean, PTR *, unsigned int *))) _bfd_n1)
312#define _bfd_nosymbols_minisymbol_to_symbol \
313 ((asymbol *(*) PARAMS ((bfd *, bfd_boolean, const PTR, asymbol *))) \
314 bfd_nullvoidptr)
315
316/* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
317 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
318
319#define _bfd_norelocs_get_reloc_upper_bound \
320 ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1)
321#define _bfd_norelocs_canonicalize_reloc \
322 ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1)
323#define _bfd_norelocs_bfd_reloc_type_lookup \
324 ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \
325 bfd_nullvoidptr)
326
327/* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
328 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
329
330#define _bfd_nowrite_set_arch_mach \
331 ((bfd_boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
332 bfd_false)
333#define _bfd_nowrite_set_section_contents \
334 ((bfd_boolean (*) \
335 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
336 bfd_false)
337
338/* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
339 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
340
341#define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
342extern bfd_boolean _bfd_generic_set_section_contents
343 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
344
345/* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
346 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
347
348#define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, bfd_boolean))) bfd_0)
349#define _bfd_nolink_bfd_get_relocated_section_contents \
350 ((bfd_byte *(*) \
351 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
352 bfd_byte *, bfd_boolean, asymbol **))) \
353 bfd_nullvoidptr)
354#define _bfd_nolink_bfd_relax_section \
355 ((bfd_boolean (*) \
356 PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *))) \
357 bfd_false)
358#define _bfd_nolink_bfd_gc_sections \
359 ((bfd_boolean (*) \
360 PARAMS ((bfd *, struct bfd_link_info *))) \
361 bfd_false)
362#define _bfd_nolink_bfd_merge_sections \
363 ((bfd_boolean (*) \
364 PARAMS ((bfd *, struct bfd_link_info *))) \
365 bfd_false)
366#define _bfd_nolink_bfd_discard_group \
367 ((bfd_boolean (*) \
368 PARAMS ((bfd *, struct sec *))) \
369 bfd_false)
370#define _bfd_nolink_bfd_link_hash_table_create \
371 ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr)
372#define _bfd_nolink_bfd_link_hash_table_free \
373 ((void (*) PARAMS ((struct bfd_link_hash_table *))) bfd_void)
374#define _bfd_nolink_bfd_link_add_symbols \
375 ((bfd_boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
376#define _bfd_nolink_bfd_link_just_syms \
377 ((void (*) PARAMS ((asection *, struct bfd_link_info *))) bfd_void)
378#define _bfd_nolink_bfd_final_link \
379 ((bfd_boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
380#define _bfd_nolink_bfd_link_split_section \
381 ((bfd_boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
382
383/* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
384 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
385 (_bfd_nodynamic). */
386
387#define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
388#define _bfd_nodynamic_canonicalize_dynamic_symtab \
389 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
390#define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
391#define _bfd_nodynamic_canonicalize_dynamic_reloc \
392 ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
393
394
395/* Generic routine to determine of the given symbol is a local
396 label. */
397extern bfd_boolean bfd_generic_is_local_label_name
398 PARAMS ((bfd *, const char *));
399
400/* Generic minisymbol routines. */
401extern long _bfd_generic_read_minisymbols
402 PARAMS ((bfd *, bfd_boolean, PTR *, unsigned int *));
403extern asymbol *_bfd_generic_minisymbol_to_symbol
404 PARAMS ((bfd *, bfd_boolean, const PTR, asymbol *));
405
406/* Find the nearest line using .stab/.stabstr sections. */
407extern bfd_boolean _bfd_stab_section_find_nearest_line
408 PARAMS ((bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *,
409 const char **, const char **, unsigned int *, PTR *));
410
411/* Find the neaderst line using DWARF 1 debugging information. */
412extern bfd_boolean _bfd_dwarf1_find_nearest_line
413 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
414 const char **, unsigned int *));
415
416/* Find the nearest line using DWARF 2 debugging information. */
417extern bfd_boolean _bfd_dwarf2_find_nearest_line
418 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
419 const char **, unsigned int *, unsigned int,
420 PTR *));
421
422/* Create a new section entry. */
423extern struct bfd_hash_entry *bfd_section_hash_newfunc
424 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
425
426/* A routine to create entries for a bfd_link_hash_table. */
427extern struct bfd_hash_entry *_bfd_link_hash_newfunc
428 PARAMS ((struct bfd_hash_entry *entry,
429 struct bfd_hash_table *table,
430 const char *string));
431
432/* Initialize a bfd_link_hash_table. */
433extern bfd_boolean _bfd_link_hash_table_init
434 PARAMS ((struct bfd_link_hash_table *, bfd *,
435 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
436 struct bfd_hash_table *,
437 const char *)));
438
439/* Generic link hash table creation routine. */
440extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
441 PARAMS ((bfd *));
442
443/* Generic link hash table destruction routine. */
444extern void _bfd_generic_link_hash_table_free
445 PARAMS ((struct bfd_link_hash_table *));
446
447/* Generic add symbol routine. */
448extern bfd_boolean _bfd_generic_link_add_symbols
449 PARAMS ((bfd *, struct bfd_link_info *));
450
451/* Generic add symbol routine. This version is used by targets for
452 which the linker must collect constructors and destructors by name,
453 as the collect2 program does. */
454extern bfd_boolean _bfd_generic_link_add_symbols_collect
455 PARAMS ((bfd *, struct bfd_link_info *));
456
457/* Generic archive add symbol routine. */
458extern bfd_boolean _bfd_generic_link_add_archive_symbols
459 PARAMS ((bfd *, struct bfd_link_info *,
460 bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)));
461
462/* Forward declaration to avoid prototype errors. */
463typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
464
465/* Generic routine to add a single symbol. */
466extern bfd_boolean _bfd_generic_link_add_one_symbol
467 PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword,
468 asection *, bfd_vma, const char *, bfd_boolean copy,
469 bfd_boolean constructor, struct bfd_link_hash_entry **));
470
471/* Generic routine to mark section as supplying symbols only. */
472extern void _bfd_generic_link_just_syms
473 PARAMS ((asection *, struct bfd_link_info *));
474
475/* Generic link routine. */
476extern bfd_boolean _bfd_generic_final_link
477 PARAMS ((bfd *, struct bfd_link_info *));
478
479extern bfd_boolean _bfd_generic_link_split_section
480 PARAMS ((bfd *, struct sec *));
481
482/* Generic reloc_link_order processing routine. */
483extern bfd_boolean _bfd_generic_reloc_link_order
484 PARAMS ((bfd *, struct bfd_link_info *, asection *,
485 struct bfd_link_order *));
486
487/* Default link order processing routine. */
488extern bfd_boolean _bfd_default_link_order
489 PARAMS ((bfd *, struct bfd_link_info *, asection *,
490 struct bfd_link_order *));
491
492/* Count the number of reloc entries in a link order list. */
493extern unsigned int _bfd_count_link_order_relocs
494 PARAMS ((struct bfd_link_order *));
495
496/* Final link relocation routine. */
497extern bfd_reloc_status_type _bfd_final_link_relocate
498 PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
499 bfd_vma, bfd_vma, bfd_vma));
500
501/* Relocate a particular location by a howto and a value. */
502extern bfd_reloc_status_type _bfd_relocate_contents
503 PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
504
505/* Link stabs in sections in the first pass. */
506
507extern bfd_boolean _bfd_link_section_stabs
508 PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
509
510/* Eliminate stabs for discarded functions and symbols. */
511extern bfd_boolean _bfd_discard_section_stabs
512 PARAMS ((bfd *, asection *, PTR,
513 bfd_boolean (*) (bfd_vma, PTR), PTR));
514
515/* Write out the .stab section when linking stabs in sections. */
516
517extern bfd_boolean _bfd_write_section_stabs
518 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
519
520/* Write out the .stabstr string table when linking stabs in sections. */
521
522extern bfd_boolean _bfd_write_stab_strings
523 PARAMS ((bfd *, PTR *));
524
525/* Find an offset within a .stab section when linking stabs in
526 sections. */
527
528extern bfd_vma _bfd_stab_section_offset
529 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
530
531/* Attempt to merge a SEC_MERGE section. */
532
533extern bfd_boolean _bfd_merge_section
534 PARAMS ((bfd *, PTR *, asection *, PTR *));
535
536/* Attempt to merge SEC_MERGE sections. */
537
538extern bfd_boolean _bfd_merge_sections
539 PARAMS ((bfd *, PTR, void (*)(bfd *, asection *)));
540
541/* Write out a merged section. */
542
543extern bfd_boolean _bfd_write_merged_section
544 PARAMS ((bfd *, asection *, PTR));
545
546/* Find an offset within a modified SEC_MERGE section. */
547
548extern bfd_vma _bfd_merged_section_offset
549 PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma));
550
551/* Create a string table. */
552extern struct bfd_strtab_hash *_bfd_stringtab_init
553 PARAMS ((void));
554
555/* Create an XCOFF .debug section style string table. */
556extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init
557 PARAMS ((void));
558
559/* Free a string table. */
560extern void _bfd_stringtab_free
561 PARAMS ((struct bfd_strtab_hash *));
562
563/* Get the size of a string table. */
564extern bfd_size_type _bfd_stringtab_size
565 PARAMS ((struct bfd_strtab_hash *));
566
567/* Add a string to a string table. */
568extern bfd_size_type _bfd_stringtab_add
569 PARAMS ((struct bfd_strtab_hash *, const char *, bfd_boolean hash,
570 bfd_boolean copy));
571
572/* Write out a string table. */
573extern bfd_boolean _bfd_stringtab_emit
574 PARAMS ((bfd *, struct bfd_strtab_hash *));
575
576/* Check that endianness of input and output file match. */
577extern bfd_boolean _bfd_generic_verify_endian_match
578 PARAMS ((bfd *, bfd *));
579
580
581/* Macros to tell if bfds are read or write enabled.
582
583 Note that bfds open for read may be scribbled into if the fd passed
584 to bfd_fdopenr is actually open both for read and write
585 simultaneously. However an output bfd will never be open for
586 read. Therefore sometimes you want to check bfd_read_p or
587 !bfd_read_p, and only sometimes bfd_write_p.
588*/
589
590#define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
591#define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
592
593void bfd_assert
594 PARAMS ((const char*,int));
595
596#define BFD_ASSERT(x) \
597{ if (!(x)) bfd_assert(__FILE__,__LINE__); }
598
599#define BFD_FAIL() \
600{ bfd_assert(__FILE__,__LINE__); }
601
602extern void _bfd_abort
603 PARAMS ((const char *, int, const char *)) ATTRIBUTE_NORETURN;
604
605/* if gcc >= 2.6, we can give a function name, too */
606#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
607#define __PRETTY_FUNCTION__ ((char *) NULL)
608#endif
609
610#undef abort
611#define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
612
613FILE * bfd_cache_lookup_worker
614 PARAMS ((bfd *));
615
616extern bfd *bfd_last_cache;
617
618/* List of supported target vectors, and the default vector (if
619 bfd_default_vector[0] is NULL, there is no default). */
620extern const bfd_target * const *bfd_target_vector;
621extern const bfd_target *bfd_default_vector[];
622
623/* List of associated target vectors. */
624extern const bfd_target * const *bfd_associated_vector;
625
626/* Functions shared by the ECOFF and MIPS ELF backends, which have no
627 other common header files. */
628
629#if defined(__STDC__) || defined(ALMOST_STDC)
630struct ecoff_find_line;
631#endif
632
633extern bfd_boolean _bfd_ecoff_locate_line
634 PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
635 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
636 const char **, const char **, unsigned int *));
637extern bfd_boolean _bfd_ecoff_get_accumulated_pdr
638 PARAMS ((PTR, bfd_byte *));
639extern bfd_boolean _bfd_ecoff_get_accumulated_sym
640 PARAMS ((PTR, bfd_byte *));
641extern bfd_boolean _bfd_ecoff_get_accumulated_ss
642 PARAMS ((PTR, bfd_byte *));
643
644extern bfd_vma _bfd_get_gp_value
645 PARAMS ((bfd *));
646extern void _bfd_set_gp_value
647 PARAMS ((bfd *, bfd_vma));
648
649/* Function shared by the COFF and ELF SH backends, which have no
650 other common header files. */
651
652extern bfd_boolean _bfd_sh_align_load_span
653 PARAMS ((bfd *, asection *, bfd_byte *,
654 bfd_boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
655 PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *));
656
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