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252b5132 RH |
1 | /* libbfd.h -- Declarations used by bfd library *implementation*. |
2 | (This include file is not for users of the library.) | |
7c192733 AC |
3 | |
4 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
5 | 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. | |
6 | ||
252b5132 RH |
7 | Written by Cygnus Support. |
8 | ||
252b5132 RH |
9 | This file is part of BFD, the Binary File Descriptor library. |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
24 | ||
25 | /* Align an address upward to a boundary, expressed as a number of bytes. | |
26 | E.g. align to an 8-byte boundary with argument of 8. Take care never | |
27 | to wrap around if the address is within boundary-1 of the end of the | |
28 | address space. */ | |
dc810e39 AM |
29 | #define BFD_ALIGN(this, boundary) \ |
30 | ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ | |
31 | ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ | |
252b5132 RH |
32 | : ~ (bfd_vma) 0) |
33 | ||
34 | /* If you want to read and write large blocks, you might want to do it | |
35 | in quanta of this amount */ | |
36 | #define DEFAULT_BUFFERSIZE 8192 | |
37 | ||
38 | /* Set a tdata field. Can't use the other macros for this, since they | |
39 | do casts, and casting to the left of assignment isn't portable. */ | |
c58b9523 | 40 | #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) |
252b5132 RH |
41 | |
42 | /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points | |
43 | to an instance of this structure. */ | |
44 | ||
45 | struct bfd_in_memory | |
46 | { | |
47 | /* Size of buffer. */ | |
48 | bfd_size_type size; | |
49 | /* Buffer holding contents of BFD. */ | |
50 | bfd_byte *buffer; | |
51 | }; | |
52 | ||
53 | /* tdata for an archive. For an input archive, cache | |
54 | needs to be free()'d. For an output archive, symdefs do. */ | |
55 | ||
56 | struct artdata { | |
57 | file_ptr first_file_filepos; | |
58 | /* Speed up searching the armap */ | |
59 | struct ar_cache *cache; | |
52b219b5 | 60 | bfd *archive_head; /* Only interesting in output routines */ |
252b5132 | 61 | carsym *symdefs; /* the symdef entries */ |
52b219b5 | 62 | symindex symdef_count; /* how many there are */ |
252b5132 RH |
63 | char *extended_names; /* clever intel extension */ |
64 | /* when more compilers are standard C, this can be a time_t */ | |
65 | long armap_timestamp; /* Timestamp value written into armap. | |
66 | This is used for BSD archives to check | |
67 | that the timestamp is recent enough | |
68 | for the BSD linker to not complain, | |
69 | just before we finish writing an | |
70 | archive. */ | |
71 | file_ptr armap_datepos; /* Position within archive to seek to | |
72 | rewrite the date field. */ | |
c58b9523 | 73 | void *tdata; /* Backend specific information. */ |
252b5132 RH |
74 | }; |
75 | ||
76 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
77 | ||
78 | /* Goes in bfd's arelt_data slot */ | |
79 | struct areltdata { | |
52b219b5 AM |
80 | char * arch_header; /* it's actually a string */ |
81 | unsigned int parsed_size; /* octets of filesize not including ar_hdr */ | |
82 | char *filename; /* null-terminated */ | |
252b5132 RH |
83 | }; |
84 | ||
85 | #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) | |
86 | ||
c58b9523 AM |
87 | extern void *bfd_malloc |
88 | (bfd_size_type); | |
89 | extern void *bfd_realloc | |
90 | (void *, bfd_size_type); | |
91 | extern void *bfd_zmalloc | |
92 | (bfd_size_type); | |
252b5132 RH |
93 | |
94 | extern bfd_error_handler_type _bfd_error_handler; | |
95 | ||
96 | /* These routines allocate and free things on the BFD's objalloc. */ | |
97 | ||
c58b9523 AM |
98 | extern void *bfd_alloc |
99 | (bfd *, bfd_size_type); | |
100 | extern void *bfd_zalloc | |
101 | (bfd *, bfd_size_type); | |
b34976b6 | 102 | extern void bfd_release |
c58b9523 | 103 | (bfd *, void *); |
b34976b6 AM |
104 | |
105 | bfd * _bfd_create_empty_archive_element_shell | |
c58b9523 | 106 | (bfd *obfd); |
b34976b6 | 107 | bfd * _bfd_look_for_bfd_in_cache |
c58b9523 | 108 | (bfd *, file_ptr); |
b34976b6 | 109 | bfd_boolean _bfd_add_bfd_to_archive_cache |
c58b9523 | 110 | (bfd *, file_ptr, bfd *); |
b34976b6 | 111 | bfd_boolean _bfd_generic_mkarchive |
c58b9523 | 112 | (bfd *abfd); |
b34976b6 | 113 | const bfd_target *bfd_generic_archive_p |
c58b9523 | 114 | (bfd *abfd); |
b34976b6 | 115 | bfd_boolean bfd_slurp_armap |
c58b9523 | 116 | (bfd *abfd); |
b34976b6 | 117 | bfd_boolean bfd_slurp_bsd_armap_f2 |
c58b9523 | 118 | (bfd *abfd); |
252b5132 RH |
119 | #define bfd_slurp_bsd_armap bfd_slurp_armap |
120 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
b34976b6 | 121 | bfd_boolean _bfd_slurp_extended_name_table |
c58b9523 | 122 | (bfd *abfd); |
b34976b6 | 123 | extern bfd_boolean _bfd_construct_extended_name_table |
c58b9523 | 124 | (bfd *, bfd_boolean, char **, bfd_size_type *); |
b34976b6 | 125 | bfd_boolean _bfd_write_archive_contents |
c58b9523 | 126 | (bfd *abfd); |
b34976b6 | 127 | bfd_boolean _bfd_compute_and_write_armap |
c58b9523 | 128 | (bfd *, unsigned int elength); |
b34976b6 | 129 | bfd *_bfd_get_elt_at_filepos |
c58b9523 | 130 | (bfd *archive, file_ptr filepos); |
b34976b6 | 131 | extern bfd *_bfd_generic_get_elt_at_index |
c58b9523 | 132 | (bfd *, symindex); |
b34976b6 | 133 | bfd * _bfd_new_bfd |
c58b9523 | 134 | (void); |
b34976b6 | 135 | void _bfd_delete_bfd |
c58b9523 | 136 | (bfd *); |
b34976b6 AM |
137 | |
138 | bfd_boolean bfd_false | |
c58b9523 | 139 | (bfd *ignore); |
b34976b6 | 140 | bfd_boolean bfd_true |
c58b9523 AM |
141 | (bfd *ignore); |
142 | void *bfd_nullvoidptr | |
143 | (bfd *ignore); | |
b34976b6 | 144 | int bfd_0 |
c58b9523 | 145 | (bfd *ignore); |
b34976b6 | 146 | unsigned int bfd_0u |
c58b9523 | 147 | (bfd *ignore); |
b34976b6 | 148 | long bfd_0l |
c58b9523 | 149 | (bfd *ignore); |
b34976b6 | 150 | long _bfd_n1 |
c58b9523 | 151 | (bfd *ignore); |
b34976b6 | 152 | void bfd_void |
c58b9523 | 153 | (bfd *ignore); |
b34976b6 AM |
154 | |
155 | bfd *_bfd_new_bfd_contained_in | |
c58b9523 | 156 | (bfd *); |
b34976b6 | 157 | const bfd_target *_bfd_dummy_target |
c58b9523 | 158 | (bfd *abfd); |
b34976b6 AM |
159 | |
160 | void bfd_dont_truncate_arname | |
c58b9523 | 161 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 162 | void bfd_bsd_truncate_arname |
c58b9523 | 163 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 164 | void bfd_gnu_truncate_arname |
c58b9523 | 165 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 AM |
166 | |
167 | bfd_boolean bsd_write_armap | |
c58b9523 AM |
168 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
169 | int stridx); | |
b34976b6 AM |
170 | |
171 | bfd_boolean coff_write_armap | |
c58b9523 AM |
172 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
173 | int stridx); | |
b34976b6 | 174 | |
c58b9523 AM |
175 | extern void *_bfd_generic_read_ar_hdr |
176 | (bfd *); | |
b34976b6 | 177 | |
c58b9523 AM |
178 | extern void *_bfd_generic_read_ar_hdr_mag |
179 | (bfd *, const char *); | |
b34976b6 AM |
180 | |
181 | bfd * bfd_generic_openr_next_archived_file | |
c58b9523 | 182 | (bfd *archive, bfd *last_file); |
b34976b6 AM |
183 | |
184 | int bfd_generic_stat_arch_elt | |
c58b9523 | 185 | (bfd *, struct stat *); |
252b5132 RH |
186 | |
187 | #define _bfd_read_ar_hdr(abfd) \ | |
188 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
189 | \f | |
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 \ | |
c58b9523 | 196 | ((bfd_boolean (*) (bfd *, asection *)) bfd_true) |
b34976b6 | 197 | extern bfd_boolean _bfd_generic_get_section_contents |
c58b9523 | 198 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
b34976b6 | 199 | extern bfd_boolean _bfd_generic_get_section_contents_in_window |
c58b9523 | 200 | (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); |
252b5132 RH |
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 \ | |
c58b9523 | 206 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 207 | #define _bfd_generic_bfd_merge_private_bfd_data \ |
c58b9523 | 208 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 209 | #define _bfd_generic_bfd_set_private_flags \ |
c58b9523 | 210 | ((bfd_boolean (*) (bfd *, flagword)) bfd_true) |
252b5132 | 211 | #define _bfd_generic_bfd_copy_private_section_data \ |
c58b9523 | 212 | ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) |
252b5132 | 213 | #define _bfd_generic_bfd_copy_private_symbol_data \ |
c58b9523 | 214 | ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) |
252b5132 | 215 | #define _bfd_generic_bfd_print_private_bfd_data \ |
c58b9523 | 216 | ((bfd_boolean (*) (bfd *, void *)) bfd_true) |
252b5132 RH |
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 | ||
b34976b6 | 221 | extern char *_bfd_nocore_core_file_failing_command |
c58b9523 | 222 | (bfd *); |
b34976b6 | 223 | extern int _bfd_nocore_core_file_failing_signal |
c58b9523 | 224 | (bfd *); |
b34976b6 | 225 | extern bfd_boolean _bfd_nocore_core_file_matches_executable_p |
c58b9523 | 226 | (bfd *, bfd *); |
252b5132 RH |
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 \ | |
c58b9523 | 234 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ |
252b5132 RH |
235 | bfd_false) |
236 | #define _bfd_noarchive_truncate_arname \ | |
c58b9523 | 237 | ((void (*) (bfd *, const char *, char *)) bfd_void) |
252b5132 | 238 | #define _bfd_noarchive_write_armap \ |
c58b9523 | 239 | ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ |
252b5132 RH |
240 | bfd_false) |
241 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
242 | #define _bfd_noarchive_openr_next_archived_file \ | |
c58b9523 | 243 | ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) |
252b5132 | 244 | #define _bfd_noarchive_get_elt_at_index \ |
c58b9523 | 245 | ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) |
252b5132 RH |
246 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt |
247 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
248 | ||
249 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
250 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
251 | ||
252 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
253 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
254 | _bfd_slurp_extended_name_table | |
b34976b6 | 255 | extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table |
c58b9523 | 256 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
257 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname |
258 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
259 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
260 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
261 | bfd_generic_openr_next_archived_file | |
262 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
263 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
264 | bfd_generic_stat_arch_elt | |
b34976b6 | 265 | extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp |
c58b9523 | 266 | (bfd *); |
252b5132 RH |
267 | |
268 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
269 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
270 | ||
271 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
272 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
273 | _bfd_slurp_extended_name_table | |
b34976b6 | 274 | extern bfd_boolean _bfd_archive_coff_construct_extended_name_table |
c58b9523 | 275 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
276 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname |
277 | #define _bfd_archive_coff_write_armap coff_write_armap | |
278 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
279 | #define _bfd_archive_coff_openr_next_archived_file \ | |
280 | bfd_generic_openr_next_archived_file | |
281 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
282 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
283 | bfd_generic_stat_arch_elt | |
284 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
285 | ||
286 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
287 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
288 | ||
289 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
6cee3f79 | 290 | #define _bfd_nosymbols_canonicalize_symtab \ |
c58b9523 | 291 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
3f3c5c34 | 292 | #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol |
252b5132 | 293 | #define _bfd_nosymbols_print_symbol \ |
c58b9523 | 294 | ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) |
252b5132 | 295 | #define _bfd_nosymbols_get_symbol_info \ |
c58b9523 | 296 | ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) |
252b5132 | 297 | #define _bfd_nosymbols_bfd_is_local_label_name \ |
c58b9523 | 298 | ((bfd_boolean (*) (bfd *, const char *)) bfd_false) |
252b5132 | 299 | #define _bfd_nosymbols_get_lineno \ |
c58b9523 | 300 | ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) |
252b5132 | 301 | #define _bfd_nosymbols_find_nearest_line \ |
c58b9523 AM |
302 | ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ |
303 | const char **, unsigned int *)) \ | |
252b5132 RH |
304 | bfd_false) |
305 | #define _bfd_nosymbols_bfd_make_debug_symbol \ | |
c58b9523 | 306 | ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) |
252b5132 | 307 | #define _bfd_nosymbols_read_minisymbols \ |
c58b9523 | 308 | ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) |
252b5132 | 309 | #define _bfd_nosymbols_minisymbol_to_symbol \ |
c58b9523 | 310 | ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ |
252b5132 RH |
311 | bfd_nullvoidptr) |
312 | ||
313 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
314 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
315 | ||
316 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
c58b9523 | 317 | ((long (*) (bfd *, asection *)) _bfd_n1) |
252b5132 | 318 | #define _bfd_norelocs_canonicalize_reloc \ |
c58b9523 | 319 | ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) |
252b5132 | 320 | #define _bfd_norelocs_bfd_reloc_type_lookup \ |
c58b9523 | 321 | ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) |
252b5132 RH |
322 | |
323 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
324 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
325 | ||
326 | #define _bfd_nowrite_set_arch_mach \ | |
c58b9523 | 327 | ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ |
252b5132 RH |
328 | bfd_false) |
329 | #define _bfd_nowrite_set_section_contents \ | |
0f867abe | 330 | ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ |
252b5132 RH |
331 | bfd_false) |
332 | ||
333 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
334 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
335 | ||
336 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
b34976b6 | 337 | extern bfd_boolean _bfd_generic_set_section_contents |
0f867abe | 338 | (bfd *, asection *, const void *, file_ptr, bfd_size_type); |
252b5132 RH |
339 | |
340 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
341 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
342 | ||
c58b9523 | 343 | #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) |
252b5132 | 344 | #define _bfd_nolink_bfd_get_relocated_section_contents \ |
c58b9523 AM |
345 | ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ |
346 | bfd_byte *, bfd_boolean, asymbol **)) \ | |
252b5132 RH |
347 | bfd_nullvoidptr) |
348 | #define _bfd_nolink_bfd_relax_section \ | |
b34976b6 | 349 | ((bfd_boolean (*) \ |
c58b9523 | 350 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ |
252b5132 RH |
351 | bfd_false) |
352 | #define _bfd_nolink_bfd_gc_sections \ | |
c58b9523 | 353 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
252b5132 | 354 | bfd_false) |
8550eb6e | 355 | #define _bfd_nolink_bfd_merge_sections \ |
c58b9523 | 356 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
8550eb6e | 357 | bfd_false) |
e61463e1 | 358 | #define _bfd_nolink_bfd_discard_group \ |
198beae2 | 359 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ |
e61463e1 | 360 | bfd_false) |
252b5132 | 361 | #define _bfd_nolink_bfd_link_hash_table_create \ |
c58b9523 | 362 | ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) |
e2d34d7d | 363 | #define _bfd_nolink_bfd_link_hash_table_free \ |
c58b9523 | 364 | ((void (*) (struct bfd_link_hash_table *)) bfd_void) |
252b5132 | 365 | #define _bfd_nolink_bfd_link_add_symbols \ |
c58b9523 | 366 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
2d653fc7 | 367 | #define _bfd_nolink_bfd_link_just_syms \ |
c58b9523 | 368 | ((void (*) (asection *, struct bfd_link_info *)) bfd_void) |
252b5132 | 369 | #define _bfd_nolink_bfd_final_link \ |
c58b9523 | 370 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
252b5132 | 371 | #define _bfd_nolink_bfd_link_split_section \ |
198beae2 | 372 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) |
252b5132 RH |
373 | |
374 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
375 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
376 | (_bfd_nodynamic). */ | |
377 | ||
378 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
379 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
c58b9523 | 380 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
252b5132 RH |
381 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 |
382 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
c58b9523 | 383 | ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) |
252b5132 RH |
384 | \f |
385 | /* Generic routine to determine of the given symbol is a local | |
386 | label. */ | |
b34976b6 | 387 | extern bfd_boolean bfd_generic_is_local_label_name |
c58b9523 | 388 | (bfd *, const char *); |
252b5132 RH |
389 | |
390 | /* Generic minisymbol routines. */ | |
391 | extern long _bfd_generic_read_minisymbols | |
c58b9523 | 392 | (bfd *, bfd_boolean, void **, unsigned int *); |
252b5132 | 393 | extern asymbol *_bfd_generic_minisymbol_to_symbol |
c58b9523 | 394 | (bfd *, bfd_boolean, const void *, asymbol *); |
252b5132 RH |
395 | |
396 | /* Find the nearest line using .stab/.stabstr sections. */ | |
b34976b6 | 397 | extern bfd_boolean _bfd_stab_section_find_nearest_line |
c58b9523 AM |
398 | (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, |
399 | const char **, const char **, unsigned int *, void **); | |
252b5132 RH |
400 | |
401 | /* Find the neaderst line using DWARF 1 debugging information. */ | |
b34976b6 | 402 | extern bfd_boolean _bfd_dwarf1_find_nearest_line |
c58b9523 AM |
403 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
404 | const char **, unsigned int *); | |
252b5132 RH |
405 | |
406 | /* Find the nearest line using DWARF 2 debugging information. */ | |
b34976b6 | 407 | extern bfd_boolean _bfd_dwarf2_find_nearest_line |
c58b9523 AM |
408 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
409 | unsigned int *, unsigned int, void **); | |
252b5132 | 410 | |
73e87d70 AM |
411 | /* Create a new section entry. */ |
412 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
c58b9523 | 413 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
73e87d70 | 414 | |
252b5132 RH |
415 | /* A routine to create entries for a bfd_link_hash_table. */ |
416 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
c58b9523 AM |
417 | (struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
418 | const char *string); | |
252b5132 RH |
419 | |
420 | /* Initialize a bfd_link_hash_table. */ | |
b34976b6 | 421 | extern bfd_boolean _bfd_link_hash_table_init |
c58b9523 AM |
422 | (struct bfd_link_hash_table *, bfd *, |
423 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
424 | struct bfd_hash_table *, | |
425 | const char *)); | |
252b5132 RH |
426 | |
427 | /* Generic link hash table creation routine. */ | |
428 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
c58b9523 | 429 | (bfd *); |
252b5132 | 430 | |
e2d34d7d DJ |
431 | /* Generic link hash table destruction routine. */ |
432 | extern void _bfd_generic_link_hash_table_free | |
c58b9523 | 433 | (struct bfd_link_hash_table *); |
e2d34d7d | 434 | |
252b5132 | 435 | /* Generic add symbol routine. */ |
b34976b6 | 436 | extern bfd_boolean _bfd_generic_link_add_symbols |
c58b9523 | 437 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
438 | |
439 | /* Generic add symbol routine. This version is used by targets for | |
440 | which the linker must collect constructors and destructors by name, | |
441 | as the collect2 program does. */ | |
b34976b6 | 442 | extern bfd_boolean _bfd_generic_link_add_symbols_collect |
c58b9523 | 443 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
444 | |
445 | /* Generic archive add symbol routine. */ | |
b34976b6 | 446 | extern bfd_boolean _bfd_generic_link_add_archive_symbols |
c58b9523 AM |
447 | (bfd *, struct bfd_link_info *, |
448 | bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 | 449 | |
252b5132 RH |
450 | /* Forward declaration to avoid prototype errors. */ |
451 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
452 | ||
453 | /* Generic routine to add a single symbol. */ | |
b34976b6 | 454 | extern bfd_boolean _bfd_generic_link_add_one_symbol |
c58b9523 AM |
455 | (struct bfd_link_info *, bfd *, const char *name, flagword, |
456 | asection *, bfd_vma, const char *, bfd_boolean copy, | |
457 | bfd_boolean constructor, struct bfd_link_hash_entry **); | |
252b5132 | 458 | |
2d653fc7 AM |
459 | /* Generic routine to mark section as supplying symbols only. */ |
460 | extern void _bfd_generic_link_just_syms | |
c58b9523 | 461 | (asection *, struct bfd_link_info *); |
2d653fc7 | 462 | |
252b5132 | 463 | /* Generic link routine. */ |
b34976b6 | 464 | extern bfd_boolean _bfd_generic_final_link |
c58b9523 | 465 | (bfd *, struct bfd_link_info *); |
252b5132 | 466 | |
b34976b6 | 467 | extern bfd_boolean _bfd_generic_link_split_section |
198beae2 | 468 | (bfd *, struct bfd_section *); |
252b5132 RH |
469 | |
470 | /* Generic reloc_link_order processing routine. */ | |
b34976b6 | 471 | extern bfd_boolean _bfd_generic_reloc_link_order |
c58b9523 | 472 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
473 | |
474 | /* Default link order processing routine. */ | |
b34976b6 | 475 | extern bfd_boolean _bfd_default_link_order |
c58b9523 | 476 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
477 | |
478 | /* Count the number of reloc entries in a link order list. */ | |
479 | extern unsigned int _bfd_count_link_order_relocs | |
c58b9523 | 480 | (struct bfd_link_order *); |
252b5132 RH |
481 | |
482 | /* Final link relocation routine. */ | |
483 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
c58b9523 AM |
484 | (reloc_howto_type *, bfd *, asection *, bfd_byte *, |
485 | bfd_vma, bfd_vma, bfd_vma); | |
252b5132 RH |
486 | |
487 | /* Relocate a particular location by a howto and a value. */ | |
488 | extern bfd_reloc_status_type _bfd_relocate_contents | |
c58b9523 | 489 | (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); |
252b5132 RH |
490 | |
491 | /* Link stabs in sections in the first pass. */ | |
492 | ||
b34976b6 | 493 | extern bfd_boolean _bfd_link_section_stabs |
29ca8dc5 | 494 | (bfd *, void **, asection *, asection *, void **, bfd_size_type *); |
252b5132 | 495 | |
73d074b4 | 496 | /* Eliminate stabs for discarded functions and symbols. */ |
b34976b6 | 497 | extern bfd_boolean _bfd_discard_section_stabs |
c58b9523 | 498 | (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); |
73d074b4 | 499 | |
252b5132 RH |
500 | /* Write out the .stab section when linking stabs in sections. */ |
501 | ||
b34976b6 | 502 | extern bfd_boolean _bfd_write_section_stabs |
c58b9523 | 503 | (bfd *, void **, asection *, void **, bfd_byte *); |
252b5132 RH |
504 | |
505 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
506 | ||
b34976b6 | 507 | extern bfd_boolean _bfd_write_stab_strings |
c58b9523 | 508 | (bfd *, void **); |
252b5132 RH |
509 | |
510 | /* Find an offset within a .stab section when linking stabs in | |
511 | sections. */ | |
512 | ||
513 | extern bfd_vma _bfd_stab_section_offset | |
c58b9523 | 514 | (bfd *, void **, asection *, void **, bfd_vma); |
252b5132 | 515 | |
f5fa8ca2 JJ |
516 | /* Attempt to merge a SEC_MERGE section. */ |
517 | ||
b34976b6 | 518 | extern bfd_boolean _bfd_merge_section |
c58b9523 | 519 | (bfd *, void **, asection *, void **); |
f5fa8ca2 | 520 | |
8550eb6e JJ |
521 | /* Attempt to merge SEC_MERGE sections. */ |
522 | ||
b34976b6 | 523 | extern bfd_boolean _bfd_merge_sections |
c58b9523 | 524 | (bfd *, void *, void (*) (bfd *, asection *)); |
8550eb6e | 525 | |
f5fa8ca2 JJ |
526 | /* Write out a merged section. */ |
527 | ||
b34976b6 | 528 | extern bfd_boolean _bfd_write_merged_section |
c58b9523 | 529 | (bfd *, asection *, void *); |
f5fa8ca2 JJ |
530 | |
531 | /* Find an offset within a modified SEC_MERGE section. */ | |
532 | ||
533 | extern bfd_vma _bfd_merged_section_offset | |
c58b9523 | 534 | (bfd *, asection **, void *, bfd_vma, bfd_vma); |
f5fa8ca2 | 535 | |
252b5132 | 536 | /* Create a string table. */ |
b34976b6 | 537 | extern struct bfd_strtab_hash *_bfd_stringtab_init |
c58b9523 | 538 | (void); |
252b5132 RH |
539 | |
540 | /* Create an XCOFF .debug section style string table. */ | |
b34976b6 | 541 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init |
c58b9523 | 542 | (void); |
252b5132 RH |
543 | |
544 | /* Free a string table. */ | |
b34976b6 | 545 | extern void _bfd_stringtab_free |
c58b9523 | 546 | (struct bfd_strtab_hash *); |
252b5132 RH |
547 | |
548 | /* Get the size of a string table. */ | |
b34976b6 | 549 | extern bfd_size_type _bfd_stringtab_size |
c58b9523 | 550 | (struct bfd_strtab_hash *); |
252b5132 RH |
551 | |
552 | /* Add a string to a string table. */ | |
553 | extern bfd_size_type _bfd_stringtab_add | |
c58b9523 | 554 | (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); |
252b5132 RH |
555 | |
556 | /* Write out a string table. */ | |
b34976b6 | 557 | extern bfd_boolean _bfd_stringtab_emit |
c58b9523 | 558 | (bfd *, struct bfd_strtab_hash *); |
875f7f69 JR |
559 | |
560 | /* Check that endianness of input and output file match. */ | |
b34976b6 | 561 | extern bfd_boolean _bfd_generic_verify_endian_match |
c58b9523 | 562 | (bfd *, bfd *); |
252b5132 RH |
563 | \f |
564 | /* Macros to tell if bfds are read or write enabled. | |
565 | ||
566 | Note that bfds open for read may be scribbled into if the fd passed | |
567 | to bfd_fdopenr is actually open both for read and write | |
568 | simultaneously. However an output bfd will never be open for | |
569 | read. Therefore sometimes you want to check bfd_read_p or | |
570 | !bfd_read_p, and only sometimes bfd_write_p. | |
571 | */ | |
572 | ||
c58b9523 AM |
573 | #define bfd_read_p(abfd) \ |
574 | ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
575 | #define bfd_write_p(abfd) \ | |
576 | ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
252b5132 | 577 | |
b34976b6 | 578 | void bfd_assert |
c58b9523 | 579 | (const char*,int); |
252b5132 RH |
580 | |
581 | #define BFD_ASSERT(x) \ | |
c58b9523 | 582 | { if (!(x)) bfd_assert(__FILE__,__LINE__); } |
252b5132 RH |
583 | |
584 | #define BFD_FAIL() \ | |
c58b9523 | 585 | { bfd_assert(__FILE__,__LINE__); } |
252b5132 | 586 | |
b34976b6 | 587 | extern void _bfd_abort |
c58b9523 | 588 | (const char *, int, const char *) ATTRIBUTE_NORETURN; |
c0bed66d | 589 | |
a1934524 AM |
590 | /* if gcc >= 2.6, we can give a function name, too */ |
591 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
592 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
593 | #endif | |
594 | ||
595 | #undef abort | |
596 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
597 | ||
7c192733 AC |
598 | /* Manipulate a system FILE but using BFD's "file_ptr", rather than |
599 | the system "off_t" or "off64_t", as the offset. */ | |
600 | extern file_ptr real_ftell (FILE *file); | |
601 | extern int real_fseek (FILE *file, file_ptr offset, int whence); | |
602 | ||
b34976b6 | 603 | FILE * bfd_cache_lookup_worker |
c58b9523 | 604 | (bfd *); |
252b5132 RH |
605 | |
606 | extern bfd *bfd_last_cache; | |
607 | ||
608 | /* List of supported target vectors, and the default vector (if | |
609 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 610 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
611 | extern const bfd_target *bfd_default_vector[]; |
612 | ||
08f74004 AM |
613 | /* List of associated target vectors. */ |
614 | extern const bfd_target * const *bfd_associated_vector; | |
615 | ||
252b5132 RH |
616 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no |
617 | other common header files. */ | |
618 | ||
619 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
620 | struct ecoff_find_line; | |
621 | #endif | |
622 | ||
b34976b6 | 623 | extern bfd_boolean _bfd_ecoff_locate_line |
c58b9523 AM |
624 | (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, |
625 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
626 | const char **, const char **, unsigned int *); | |
b34976b6 | 627 | extern bfd_boolean _bfd_ecoff_get_accumulated_pdr |
c58b9523 | 628 | (void *, bfd_byte *); |
b34976b6 | 629 | extern bfd_boolean _bfd_ecoff_get_accumulated_sym |
c58b9523 | 630 | (void *, bfd_byte *); |
b34976b6 | 631 | extern bfd_boolean _bfd_ecoff_get_accumulated_ss |
c58b9523 | 632 | (void *, bfd_byte *); |
b34976b6 AM |
633 | |
634 | extern bfd_vma _bfd_get_gp_value | |
c58b9523 | 635 | (bfd *); |
b34976b6 | 636 | extern void _bfd_set_gp_value |
c58b9523 | 637 | (bfd *, bfd_vma); |
252b5132 RH |
638 | |
639 | /* Function shared by the COFF and ELF SH backends, which have no | |
640 | other common header files. */ | |
641 | ||
c58b9523 | 642 | #ifndef _bfd_sh_align_load_span |
b34976b6 | 643 | extern bfd_boolean _bfd_sh_align_load_span |
c58b9523 AM |
644 | (bfd *, asection *, bfd_byte *, |
645 | bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), | |
646 | void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); | |
647 | #endif |