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,
5 Free Software Foundation, Inc.
6 Written by Cygnus Support.
8 This file is part of BFD, the Binary File Descriptor library.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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
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)) \
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
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))
41 /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points
42 to an instance of this structure. */
48 /* Buffer holding contents of BFD. */
52 /* tdata for an archive. For an input archive, cache
53 needs to be free()'d. For an output archive, symdefs do. */
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
70 file_ptr armap_datepos; /* Position within archive to seek to
71 rewrite the date field. */
72 PTR tdata; /* Backend specific information. */
75 #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data)
77 /* Goes in bfd's arelt_data slot */
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 */
84 #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size)
86 extern PTR bfd_malloc PARAMS ((bfd_size_type));
87 extern PTR bfd_realloc PARAMS ((PTR, bfd_size_type));
88 extern PTR bfd_zmalloc PARAMS ((bfd_size_type));
90 extern bfd_error_handler_type _bfd_error_handler;
92 /* These routines allocate and free things on the BFD's objalloc. */
94 extern PTR bfd_alloc PARAMS ((bfd *, bfd_size_type));
95 extern PTR bfd_zalloc PARAMS ((bfd *, bfd_size_type));
96 extern void bfd_release PARAMS ((bfd *, PTR));
98 bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd));
99 bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *, file_ptr));
100 boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *));
101 boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd));
102 const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd));
103 boolean bfd_slurp_armap PARAMS ((bfd *abfd));
104 boolean 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
107 boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd));
108 extern boolean _bfd_construct_extended_name_table
109 PARAMS ((bfd *, boolean, char **, bfd_size_type *));
110 boolean _bfd_write_archive_contents PARAMS ((bfd *abfd));
111 boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength));
112 bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos));
113 extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex));
114 bfd * _bfd_new_bfd PARAMS ((void));
115 void _bfd_delete_bfd PARAMS ((bfd *));
117 boolean bfd_false PARAMS ((bfd *ignore));
118 boolean bfd_true PARAMS ((bfd *ignore));
119 PTR bfd_nullvoidptr PARAMS ((bfd *ignore));
120 int bfd_0 PARAMS ((bfd *ignore));
121 unsigned int bfd_0u PARAMS ((bfd *ignore));
122 long bfd_0l PARAMS ((bfd *ignore));
123 long _bfd_n1 PARAMS ((bfd *ignore));
124 void bfd_void PARAMS ((bfd *ignore));
126 bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *));
127 const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd));
129 void bfd_dont_truncate_arname PARAMS ((bfd *abfd, const char *filename,
131 void bfd_bsd_truncate_arname PARAMS ((bfd *abfd, const char *filename,
133 void bfd_gnu_truncate_arname PARAMS ((bfd *abfd, const char *filename,
136 boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength,
137 struct orl *map, unsigned int orl_count, int stridx));
139 boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength,
140 struct orl *map, unsigned int orl_count, int stridx));
142 extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *));
144 extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *));
146 bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive,
149 int bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *));
151 #define _bfd_read_ar_hdr(abfd) \
152 BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd))
154 /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use
155 BFD_JUMP_TABLE_GENERIC (_bfd_generic). */
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)
161 extern boolean _bfd_generic_get_section_contents
162 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
163 extern boolean _bfd_generic_get_section_contents_in_window
164 PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type));
166 /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use
167 BFD_JUMP_TABLE_COPY (_bfd_generic). */
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)
182 /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file
183 support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */
185 extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *));
186 extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *));
187 extern boolean _bfd_nocore_core_file_matches_executable_p
188 PARAMS ((bfd *, bfd *));
190 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive
191 file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */
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 **))) \
198 #define _bfd_noarchive_truncate_arname \
199 ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void)
200 #define _bfd_noarchive_write_armap \
202 PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \
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
212 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style
213 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */
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
218 extern 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
228 extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *));
230 /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style
231 archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */
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
236 extern 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
248 /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol
249 support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */
251 #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1
252 #define _bfd_nosymbols_get_symtab \
253 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
254 #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol
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 \
265 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \
266 const char **, unsigned int *))) \
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 *))) \
276 /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc
277 support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */
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))) \
287 /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not
288 be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */
290 #define _bfd_nowrite_set_arch_mach \
291 ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \
293 #define _bfd_nowrite_set_section_contents \
294 ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \
297 /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use
298 BFD_JUMP_TABLE_WRITE (_bfd_generic). */
300 #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach
301 extern boolean _bfd_generic_set_section_contents
302 PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
304 /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not
305 support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */
307 #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0)
308 #define _bfd_nolink_bfd_get_relocated_section_contents \
310 PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \
311 bfd_byte *, boolean, asymbol **))) \
313 #define _bfd_nolink_bfd_relax_section \
315 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \
317 #define _bfd_nolink_bfd_gc_sections \
319 PARAMS ((bfd *, struct bfd_link_info *))) \
321 #define _bfd_nolink_bfd_merge_sections \
323 PARAMS ((bfd *, struct bfd_link_info *))) \
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_hash_table_free \
328 ((void (*) PARAMS ((struct bfd_link_hash_table *))) bfd_void)
329 #define _bfd_nolink_bfd_link_add_symbols \
330 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
331 #define _bfd_nolink_bfd_final_link \
332 ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false)
333 #define _bfd_nolink_bfd_link_split_section \
334 ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false)
336 /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not
337 have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC
340 #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1
341 #define _bfd_nodynamic_canonicalize_dynamic_symtab \
342 ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1)
343 #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1
344 #define _bfd_nodynamic_canonicalize_dynamic_reloc \
345 ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1)
347 /* Generic routine to determine of the given symbol is a local
349 extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *));
351 /* Generic minisymbol routines. */
352 extern long _bfd_generic_read_minisymbols
353 PARAMS ((bfd *, boolean, PTR *, unsigned int *));
354 extern asymbol *_bfd_generic_minisymbol_to_symbol
355 PARAMS ((bfd *, boolean, const PTR, asymbol *));
357 /* Find the nearest line using .stab/.stabstr sections. */
358 extern boolean _bfd_stab_section_find_nearest_line
359 PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **,
360 const char **, unsigned int *, PTR *));
362 /* Find the neaderst line using DWARF 1 debugging information. */
363 extern boolean _bfd_dwarf1_find_nearest_line
364 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
365 const char **, unsigned int *));
367 /* Find the nearest line using DWARF 2 debugging information. */
368 extern boolean _bfd_dwarf2_find_nearest_line
369 PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
370 const char **, unsigned int *, unsigned int,
373 /* Create a new section entry. */
374 extern struct bfd_hash_entry *bfd_section_hash_newfunc
375 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
377 /* A routine to create entries for a bfd_link_hash_table. */
378 extern struct bfd_hash_entry *_bfd_link_hash_newfunc
379 PARAMS ((struct bfd_hash_entry *entry,
380 struct bfd_hash_table *table,
381 const char *string));
383 /* Initialize a bfd_link_hash_table. */
384 extern boolean _bfd_link_hash_table_init
385 PARAMS ((struct bfd_link_hash_table *, bfd *,
386 struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
387 struct bfd_hash_table *,
390 /* Generic link hash table creation routine. */
391 extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create
394 /* Generic link hash table destruction routine. */
395 extern void _bfd_generic_link_hash_table_free
396 PARAMS ((struct bfd_link_hash_table *));
398 /* Generic add symbol routine. */
399 extern boolean _bfd_generic_link_add_symbols
400 PARAMS ((bfd *, struct bfd_link_info *));
402 /* Generic add symbol routine. This version is used by targets for
403 which the linker must collect constructors and destructors by name,
404 as the collect2 program does. */
405 extern boolean _bfd_generic_link_add_symbols_collect
406 PARAMS ((bfd *, struct bfd_link_info *));
408 /* Generic archive add symbol routine. */
409 extern boolean _bfd_generic_link_add_archive_symbols
410 PARAMS ((bfd *, struct bfd_link_info *,
411 boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *)));
415 /* Forward declaration to avoid prototype errors. */
416 typedef struct bfd_link_hash_entry _bfd_link_hash_entry;
418 /* Generic routine to add a single symbol. */
419 extern 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 **));
424 /* Generic link routine. */
425 extern boolean _bfd_generic_final_link
426 PARAMS ((bfd *, struct bfd_link_info *));
428 extern boolean _bfd_generic_link_split_section
429 PARAMS ((bfd *, struct sec *));
431 /* Generic reloc_link_order processing routine. */
432 extern boolean _bfd_generic_reloc_link_order
433 PARAMS ((bfd *, struct bfd_link_info *, asection *,
434 struct bfd_link_order *));
436 /* Default link order processing routine. */
437 extern boolean _bfd_default_link_order
438 PARAMS ((bfd *, struct bfd_link_info *, asection *,
439 struct bfd_link_order *));
441 /* Count the number of reloc entries in a link order list. */
442 extern unsigned int _bfd_count_link_order_relocs
443 PARAMS ((struct bfd_link_order *));
445 /* Final link relocation routine. */
446 extern bfd_reloc_status_type _bfd_final_link_relocate
447 PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *,
448 bfd_vma, bfd_vma, bfd_vma));
450 /* Relocate a particular location by a howto and a value. */
451 extern bfd_reloc_status_type _bfd_relocate_contents
452 PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *));
454 /* Link stabs in sections in the first pass. */
456 extern boolean _bfd_link_section_stabs
457 PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
459 /* Eliminate stabs for discarded functions and symbols. */
460 extern boolean _bfd_discard_section_stabs
461 PARAMS ((bfd *, asection *, PTR,
462 boolean (*) (bfd_vma, PTR), PTR));
464 /* Write out the .stab section when linking stabs in sections. */
466 extern boolean _bfd_write_section_stabs
467 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *));
469 /* Write out the .stabstr string table when linking stabs in sections. */
471 extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *));
473 /* Find an offset within a .stab section when linking stabs in
476 extern bfd_vma _bfd_stab_section_offset
477 PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma));
479 /* Attempt to merge a SEC_MERGE section. */
481 extern boolean _bfd_merge_section
482 PARAMS ((bfd *, PTR *, asection *, PTR *));
484 /* Attempt to merge SEC_MERGE sections. */
486 extern boolean _bfd_merge_sections
487 PARAMS ((bfd *, PTR, void (*)(bfd *, asection *)));
489 /* Write out a merged section. */
491 extern boolean _bfd_write_merged_section
492 PARAMS ((bfd *, asection *, PTR));
494 /* Find an offset within a modified SEC_MERGE section. */
496 extern bfd_vma _bfd_merged_section_offset
497 PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma));
499 /* Create a string table. */
500 extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void));
502 /* Create an XCOFF .debug section style string table. */
503 extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void));
505 /* Free a string table. */
506 extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *));
508 /* Get the size of a string table. */
509 extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *));
511 /* Add a string to a string table. */
512 extern bfd_size_type _bfd_stringtab_add
513 PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash,
516 /* Write out a string table. */
517 extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *));
519 /* Check that endianness of input and output file match. */
520 extern boolean _bfd_generic_verify_endian_match PARAMS ((bfd *, bfd *));
522 /* Macros to tell if bfds are read or write enabled.
524 Note that bfds open for read may be scribbled into if the fd passed
525 to bfd_fdopenr is actually open both for read and write
526 simultaneously. However an output bfd will never be open for
527 read. Therefore sometimes you want to check bfd_read_p or
528 !bfd_read_p, and only sometimes bfd_write_p.
531 #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction)
532 #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction)
534 void bfd_assert PARAMS ((const char*,int));
536 #define BFD_ASSERT(x) \
537 { if (!(x)) bfd_assert(__FILE__,__LINE__); }
540 { bfd_assert(__FILE__,__LINE__); }
542 extern void _bfd_abort PARAMS ((const char *, int, const char *))
545 /* if gcc >= 2.6, we can give a function name, too */
546 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6)
547 #define __PRETTY_FUNCTION__ ((char *) NULL)
551 #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__)
553 FILE * bfd_cache_lookup_worker PARAMS ((bfd *));
555 extern bfd *bfd_last_cache;
557 /* List of supported target vectors, and the default vector (if
558 bfd_default_vector[0] is NULL, there is no default). */
559 extern const bfd_target * const *bfd_target_vector;
560 extern const bfd_target *bfd_default_vector[];
562 /* Functions shared by the ECOFF and MIPS ELF backends, which have no
563 other common header files. */
565 #if defined(__STDC__) || defined(ALMOST_STDC)
566 struct ecoff_find_line;
569 extern boolean _bfd_ecoff_locate_line
570 PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const,
571 const struct ecoff_debug_swap * const, struct ecoff_find_line *,
572 const char **, const char **, unsigned int *));
573 extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *));
574 extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *));
575 extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *));
577 extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *));
578 extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma));
580 /* Function shared by the COFF and ELF SH backends, which have no
581 other common header files. */
583 extern boolean _bfd_sh_align_load_span
584 PARAMS ((bfd *, asection *, bfd_byte *,
585 boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma),
586 PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *));
588 /* And more follows */