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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.) | |
7898deda | 3 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
c58b9523 | 4 | 2000, 2001, 2002, 2003 |
dc93fc57 | 5 | Free Software Foundation, Inc. |
252b5132 RH |
6 | Written by Cygnus Support. |
7 | ||
252b5132 RH |
8 | This file is part of BFD, the Binary File Descriptor library. |
9 | ||
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. | |
14 | ||
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. | |
19 | ||
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. */ | |
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. */ | |
c58b9523 | 39 | #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) |
252b5132 RH |
40 | |
41 | /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points | |
42 | to an instance of this structure. */ | |
43 | ||
44 | struct 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 | ||
55 | struct 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. */ | |
c58b9523 | 72 | void *tdata; /* Backend specific information. */ |
252b5132 RH |
73 | }; |
74 | ||
75 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
76 | ||
77 | /* Goes in bfd's arelt_data slot */ | |
78 | struct 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 | ||
c58b9523 AM |
86 | extern void *bfd_malloc |
87 | (bfd_size_type); | |
88 | extern void *bfd_realloc | |
89 | (void *, bfd_size_type); | |
90 | extern void *bfd_zmalloc | |
91 | (bfd_size_type); | |
252b5132 RH |
92 | |
93 | extern bfd_error_handler_type _bfd_error_handler; | |
94 | ||
95 | /* These routines allocate and free things on the BFD's objalloc. */ | |
96 | ||
c58b9523 AM |
97 | extern void *bfd_alloc |
98 | (bfd *, bfd_size_type); | |
99 | extern void *bfd_zalloc | |
100 | (bfd *, bfd_size_type); | |
b34976b6 | 101 | extern void bfd_release |
c58b9523 | 102 | (bfd *, void *); |
b34976b6 AM |
103 | |
104 | bfd * _bfd_create_empty_archive_element_shell | |
c58b9523 | 105 | (bfd *obfd); |
b34976b6 | 106 | bfd * _bfd_look_for_bfd_in_cache |
c58b9523 | 107 | (bfd *, file_ptr); |
b34976b6 | 108 | bfd_boolean _bfd_add_bfd_to_archive_cache |
c58b9523 | 109 | (bfd *, file_ptr, bfd *); |
b34976b6 | 110 | bfd_boolean _bfd_generic_mkarchive |
c58b9523 | 111 | (bfd *abfd); |
b34976b6 | 112 | const bfd_target *bfd_generic_archive_p |
c58b9523 | 113 | (bfd *abfd); |
b34976b6 | 114 | bfd_boolean bfd_slurp_armap |
c58b9523 | 115 | (bfd *abfd); |
b34976b6 | 116 | bfd_boolean bfd_slurp_bsd_armap_f2 |
c58b9523 | 117 | (bfd *abfd); |
252b5132 RH |
118 | #define bfd_slurp_bsd_armap bfd_slurp_armap |
119 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
b34976b6 | 120 | bfd_boolean _bfd_slurp_extended_name_table |
c58b9523 | 121 | (bfd *abfd); |
b34976b6 | 122 | extern bfd_boolean _bfd_construct_extended_name_table |
c58b9523 | 123 | (bfd *, bfd_boolean, char **, bfd_size_type *); |
b34976b6 | 124 | bfd_boolean _bfd_write_archive_contents |
c58b9523 | 125 | (bfd *abfd); |
b34976b6 | 126 | bfd_boolean _bfd_compute_and_write_armap |
c58b9523 | 127 | (bfd *, unsigned int elength); |
b34976b6 | 128 | bfd *_bfd_get_elt_at_filepos |
c58b9523 | 129 | (bfd *archive, file_ptr filepos); |
b34976b6 | 130 | extern bfd *_bfd_generic_get_elt_at_index |
c58b9523 | 131 | (bfd *, symindex); |
b34976b6 | 132 | bfd * _bfd_new_bfd |
c58b9523 | 133 | (void); |
b34976b6 | 134 | void _bfd_delete_bfd |
c58b9523 | 135 | (bfd *); |
b34976b6 AM |
136 | |
137 | bfd_boolean bfd_false | |
c58b9523 | 138 | (bfd *ignore); |
b34976b6 | 139 | bfd_boolean bfd_true |
c58b9523 AM |
140 | (bfd *ignore); |
141 | void *bfd_nullvoidptr | |
142 | (bfd *ignore); | |
b34976b6 | 143 | int bfd_0 |
c58b9523 | 144 | (bfd *ignore); |
b34976b6 | 145 | unsigned int bfd_0u |
c58b9523 | 146 | (bfd *ignore); |
b34976b6 | 147 | long bfd_0l |
c58b9523 | 148 | (bfd *ignore); |
b34976b6 | 149 | long _bfd_n1 |
c58b9523 | 150 | (bfd *ignore); |
b34976b6 | 151 | void bfd_void |
c58b9523 | 152 | (bfd *ignore); |
b34976b6 AM |
153 | |
154 | bfd *_bfd_new_bfd_contained_in | |
c58b9523 | 155 | (bfd *); |
b34976b6 | 156 | const bfd_target *_bfd_dummy_target |
c58b9523 | 157 | (bfd *abfd); |
b34976b6 AM |
158 | |
159 | void bfd_dont_truncate_arname | |
c58b9523 | 160 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 161 | void bfd_bsd_truncate_arname |
c58b9523 | 162 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 163 | void bfd_gnu_truncate_arname |
c58b9523 | 164 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 AM |
165 | |
166 | bfd_boolean bsd_write_armap | |
c58b9523 AM |
167 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
168 | int stridx); | |
b34976b6 AM |
169 | |
170 | bfd_boolean coff_write_armap | |
c58b9523 AM |
171 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
172 | int stridx); | |
b34976b6 | 173 | |
c58b9523 AM |
174 | extern void *_bfd_generic_read_ar_hdr |
175 | (bfd *); | |
b34976b6 | 176 | |
c58b9523 AM |
177 | extern void *_bfd_generic_read_ar_hdr_mag |
178 | (bfd *, const char *); | |
b34976b6 AM |
179 | |
180 | bfd * bfd_generic_openr_next_archived_file | |
c58b9523 | 181 | (bfd *archive, bfd *last_file); |
b34976b6 AM |
182 | |
183 | int bfd_generic_stat_arch_elt | |
c58b9523 | 184 | (bfd *, struct stat *); |
252b5132 RH |
185 | |
186 | #define _bfd_read_ar_hdr(abfd) \ | |
187 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
188 | \f | |
189 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
190 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
191 | ||
192 | #define _bfd_generic_close_and_cleanup bfd_true | |
193 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
194 | #define _bfd_generic_new_section_hook \ | |
c58b9523 | 195 | ((bfd_boolean (*) (bfd *, asection *)) bfd_true) |
b34976b6 | 196 | extern bfd_boolean _bfd_generic_get_section_contents |
c58b9523 | 197 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
b34976b6 | 198 | extern bfd_boolean _bfd_generic_get_section_contents_in_window |
c58b9523 | 199 | (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); |
252b5132 RH |
200 | |
201 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
202 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
203 | ||
204 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
c58b9523 | 205 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 206 | #define _bfd_generic_bfd_merge_private_bfd_data \ |
c58b9523 | 207 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 208 | #define _bfd_generic_bfd_set_private_flags \ |
c58b9523 | 209 | ((bfd_boolean (*) (bfd *, flagword)) bfd_true) |
252b5132 | 210 | #define _bfd_generic_bfd_copy_private_section_data \ |
c58b9523 | 211 | ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) |
252b5132 | 212 | #define _bfd_generic_bfd_copy_private_symbol_data \ |
c58b9523 | 213 | ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) |
252b5132 | 214 | #define _bfd_generic_bfd_print_private_bfd_data \ |
c58b9523 | 215 | ((bfd_boolean (*) (bfd *, void *)) bfd_true) |
252b5132 RH |
216 | |
217 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file | |
218 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
219 | ||
b34976b6 | 220 | extern char *_bfd_nocore_core_file_failing_command |
c58b9523 | 221 | (bfd *); |
b34976b6 | 222 | extern int _bfd_nocore_core_file_failing_signal |
c58b9523 | 223 | (bfd *); |
b34976b6 | 224 | extern bfd_boolean _bfd_nocore_core_file_matches_executable_p |
c58b9523 | 225 | (bfd *, bfd *); |
252b5132 RH |
226 | |
227 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
228 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
229 | ||
230 | #define _bfd_noarchive_slurp_armap bfd_false | |
231 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
232 | #define _bfd_noarchive_construct_extended_name_table \ | |
c58b9523 | 233 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ |
252b5132 RH |
234 | bfd_false) |
235 | #define _bfd_noarchive_truncate_arname \ | |
c58b9523 | 236 | ((void (*) (bfd *, const char *, char *)) bfd_void) |
252b5132 | 237 | #define _bfd_noarchive_write_armap \ |
c58b9523 | 238 | ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ |
252b5132 RH |
239 | bfd_false) |
240 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
241 | #define _bfd_noarchive_openr_next_archived_file \ | |
c58b9523 | 242 | ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) |
252b5132 | 243 | #define _bfd_noarchive_get_elt_at_index \ |
c58b9523 | 244 | ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) |
252b5132 RH |
245 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt |
246 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
247 | ||
248 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
249 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
250 | ||
251 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
252 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
253 | _bfd_slurp_extended_name_table | |
b34976b6 | 254 | extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table |
c58b9523 | 255 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
256 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname |
257 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
258 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
259 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
260 | bfd_generic_openr_next_archived_file | |
261 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
262 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
263 | bfd_generic_stat_arch_elt | |
b34976b6 | 264 | extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp |
c58b9523 | 265 | (bfd *); |
252b5132 RH |
266 | |
267 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
268 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
269 | ||
270 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
271 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
272 | _bfd_slurp_extended_name_table | |
b34976b6 | 273 | extern bfd_boolean _bfd_archive_coff_construct_extended_name_table |
c58b9523 | 274 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
275 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname |
276 | #define _bfd_archive_coff_write_armap coff_write_armap | |
277 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
278 | #define _bfd_archive_coff_openr_next_archived_file \ | |
279 | bfd_generic_openr_next_archived_file | |
280 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
281 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
282 | bfd_generic_stat_arch_elt | |
283 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
284 | ||
285 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
286 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
287 | ||
288 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
289 | #define _bfd_nosymbols_get_symtab \ | |
c58b9523 | 290 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
3f3c5c34 | 291 | #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol |
252b5132 | 292 | #define _bfd_nosymbols_print_symbol \ |
c58b9523 | 293 | ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) |
252b5132 | 294 | #define _bfd_nosymbols_get_symbol_info \ |
c58b9523 | 295 | ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) |
252b5132 | 296 | #define _bfd_nosymbols_bfd_is_local_label_name \ |
c58b9523 | 297 | ((bfd_boolean (*) (bfd *, const char *)) bfd_false) |
252b5132 | 298 | #define _bfd_nosymbols_get_lineno \ |
c58b9523 | 299 | ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) |
252b5132 | 300 | #define _bfd_nosymbols_find_nearest_line \ |
c58b9523 AM |
301 | ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ |
302 | const char **, unsigned int *)) \ | |
252b5132 RH |
303 | bfd_false) |
304 | #define _bfd_nosymbols_bfd_make_debug_symbol \ | |
c58b9523 | 305 | ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) |
252b5132 | 306 | #define _bfd_nosymbols_read_minisymbols \ |
c58b9523 | 307 | ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) |
252b5132 | 308 | #define _bfd_nosymbols_minisymbol_to_symbol \ |
c58b9523 | 309 | ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ |
252b5132 RH |
310 | bfd_nullvoidptr) |
311 | ||
312 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
313 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
314 | ||
315 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
c58b9523 | 316 | ((long (*) (bfd *, asection *)) _bfd_n1) |
252b5132 | 317 | #define _bfd_norelocs_canonicalize_reloc \ |
c58b9523 | 318 | ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) |
252b5132 | 319 | #define _bfd_norelocs_bfd_reloc_type_lookup \ |
c58b9523 | 320 | ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) |
252b5132 RH |
321 | |
322 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
323 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
324 | ||
325 | #define _bfd_nowrite_set_arch_mach \ | |
c58b9523 | 326 | ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ |
252b5132 RH |
327 | bfd_false) |
328 | #define _bfd_nowrite_set_section_contents \ | |
c58b9523 | 329 | ((bfd_boolean (*) (bfd *, asection *, void *, file_ptr, bfd_size_type)) \ |
252b5132 RH |
330 | bfd_false) |
331 | ||
332 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
333 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
334 | ||
335 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
b34976b6 | 336 | extern bfd_boolean _bfd_generic_set_section_contents |
c58b9523 | 337 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
252b5132 RH |
338 | |
339 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
340 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
341 | ||
c58b9523 | 342 | #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) |
252b5132 | 343 | #define _bfd_nolink_bfd_get_relocated_section_contents \ |
c58b9523 AM |
344 | ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ |
345 | bfd_byte *, bfd_boolean, asymbol **)) \ | |
252b5132 RH |
346 | bfd_nullvoidptr) |
347 | #define _bfd_nolink_bfd_relax_section \ | |
b34976b6 | 348 | ((bfd_boolean (*) \ |
c58b9523 | 349 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ |
252b5132 RH |
350 | bfd_false) |
351 | #define _bfd_nolink_bfd_gc_sections \ | |
c58b9523 | 352 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
252b5132 | 353 | bfd_false) |
8550eb6e | 354 | #define _bfd_nolink_bfd_merge_sections \ |
c58b9523 | 355 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
8550eb6e | 356 | bfd_false) |
e61463e1 | 357 | #define _bfd_nolink_bfd_discard_group \ |
c58b9523 | 358 | ((bfd_boolean (*) (bfd *, struct sec *)) \ |
e61463e1 | 359 | bfd_false) |
252b5132 | 360 | #define _bfd_nolink_bfd_link_hash_table_create \ |
c58b9523 | 361 | ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) |
e2d34d7d | 362 | #define _bfd_nolink_bfd_link_hash_table_free \ |
c58b9523 | 363 | ((void (*) (struct bfd_link_hash_table *)) bfd_void) |
252b5132 | 364 | #define _bfd_nolink_bfd_link_add_symbols \ |
c58b9523 | 365 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
2d653fc7 | 366 | #define _bfd_nolink_bfd_link_just_syms \ |
c58b9523 | 367 | ((void (*) (asection *, struct bfd_link_info *)) bfd_void) |
252b5132 | 368 | #define _bfd_nolink_bfd_final_link \ |
c58b9523 | 369 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
252b5132 | 370 | #define _bfd_nolink_bfd_link_split_section \ |
c58b9523 | 371 | ((bfd_boolean (*) (bfd *, struct sec *)) bfd_false) |
252b5132 RH |
372 | |
373 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
374 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
375 | (_bfd_nodynamic). */ | |
376 | ||
377 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
378 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
c58b9523 | 379 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
252b5132 RH |
380 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 |
381 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
c58b9523 | 382 | ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) |
252b5132 RH |
383 | \f |
384 | /* Generic routine to determine of the given symbol is a local | |
385 | label. */ | |
b34976b6 | 386 | extern bfd_boolean bfd_generic_is_local_label_name |
c58b9523 | 387 | (bfd *, const char *); |
252b5132 RH |
388 | |
389 | /* Generic minisymbol routines. */ | |
390 | extern long _bfd_generic_read_minisymbols | |
c58b9523 | 391 | (bfd *, bfd_boolean, void **, unsigned int *); |
252b5132 | 392 | extern asymbol *_bfd_generic_minisymbol_to_symbol |
c58b9523 | 393 | (bfd *, bfd_boolean, const void *, asymbol *); |
252b5132 RH |
394 | |
395 | /* Find the nearest line using .stab/.stabstr sections. */ | |
b34976b6 | 396 | extern bfd_boolean _bfd_stab_section_find_nearest_line |
c58b9523 AM |
397 | (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, |
398 | const char **, const char **, unsigned int *, void **); | |
252b5132 RH |
399 | |
400 | /* Find the neaderst line using DWARF 1 debugging information. */ | |
b34976b6 | 401 | extern bfd_boolean _bfd_dwarf1_find_nearest_line |
c58b9523 AM |
402 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
403 | const char **, unsigned int *); | |
252b5132 RH |
404 | |
405 | /* Find the nearest line using DWARF 2 debugging information. */ | |
b34976b6 | 406 | extern bfd_boolean _bfd_dwarf2_find_nearest_line |
c58b9523 AM |
407 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
408 | unsigned int *, unsigned int, void **); | |
252b5132 | 409 | |
73e87d70 AM |
410 | /* Create a new section entry. */ |
411 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
c58b9523 | 412 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
73e87d70 | 413 | |
252b5132 RH |
414 | /* A routine to create entries for a bfd_link_hash_table. */ |
415 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
c58b9523 AM |
416 | (struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
417 | const char *string); | |
252b5132 RH |
418 | |
419 | /* Initialize a bfd_link_hash_table. */ | |
b34976b6 | 420 | extern bfd_boolean _bfd_link_hash_table_init |
c58b9523 AM |
421 | (struct bfd_link_hash_table *, bfd *, |
422 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
423 | struct bfd_hash_table *, | |
424 | const char *)); | |
252b5132 RH |
425 | |
426 | /* Generic link hash table creation routine. */ | |
427 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
c58b9523 | 428 | (bfd *); |
252b5132 | 429 | |
e2d34d7d DJ |
430 | /* Generic link hash table destruction routine. */ |
431 | extern void _bfd_generic_link_hash_table_free | |
c58b9523 | 432 | (struct bfd_link_hash_table *); |
e2d34d7d | 433 | |
252b5132 | 434 | /* Generic add symbol routine. */ |
b34976b6 | 435 | extern bfd_boolean _bfd_generic_link_add_symbols |
c58b9523 | 436 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
437 | |
438 | /* Generic add symbol routine. This version is used by targets for | |
439 | which the linker must collect constructors and destructors by name, | |
440 | as the collect2 program does. */ | |
b34976b6 | 441 | extern bfd_boolean _bfd_generic_link_add_symbols_collect |
c58b9523 | 442 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
443 | |
444 | /* Generic archive add symbol routine. */ | |
b34976b6 | 445 | extern bfd_boolean _bfd_generic_link_add_archive_symbols |
c58b9523 AM |
446 | (bfd *, struct bfd_link_info *, |
447 | bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 | 448 | |
252b5132 RH |
449 | /* Forward declaration to avoid prototype errors. */ |
450 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
451 | ||
452 | /* Generic routine to add a single symbol. */ | |
b34976b6 | 453 | extern bfd_boolean _bfd_generic_link_add_one_symbol |
c58b9523 AM |
454 | (struct bfd_link_info *, bfd *, const char *name, flagword, |
455 | asection *, bfd_vma, const char *, bfd_boolean copy, | |
456 | bfd_boolean constructor, struct bfd_link_hash_entry **); | |
252b5132 | 457 | |
2d653fc7 AM |
458 | /* Generic routine to mark section as supplying symbols only. */ |
459 | extern void _bfd_generic_link_just_syms | |
c58b9523 | 460 | (asection *, struct bfd_link_info *); |
2d653fc7 | 461 | |
252b5132 | 462 | /* Generic link routine. */ |
b34976b6 | 463 | extern bfd_boolean _bfd_generic_final_link |
c58b9523 | 464 | (bfd *, struct bfd_link_info *); |
252b5132 | 465 | |
b34976b6 | 466 | extern bfd_boolean _bfd_generic_link_split_section |
c58b9523 | 467 | (bfd *, struct sec *); |
252b5132 RH |
468 | |
469 | /* Generic reloc_link_order processing routine. */ | |
b34976b6 | 470 | extern bfd_boolean _bfd_generic_reloc_link_order |
c58b9523 | 471 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
472 | |
473 | /* Default link order processing routine. */ | |
b34976b6 | 474 | extern bfd_boolean _bfd_default_link_order |
c58b9523 | 475 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
476 | |
477 | /* Count the number of reloc entries in a link order list. */ | |
478 | extern unsigned int _bfd_count_link_order_relocs | |
c58b9523 | 479 | (struct bfd_link_order *); |
252b5132 RH |
480 | |
481 | /* Final link relocation routine. */ | |
482 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
c58b9523 AM |
483 | (reloc_howto_type *, bfd *, asection *, bfd_byte *, |
484 | bfd_vma, bfd_vma, bfd_vma); | |
252b5132 RH |
485 | |
486 | /* Relocate a particular location by a howto and a value. */ | |
487 | extern bfd_reloc_status_type _bfd_relocate_contents | |
c58b9523 | 488 | (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); |
252b5132 RH |
489 | |
490 | /* Link stabs in sections in the first pass. */ | |
491 | ||
b34976b6 | 492 | extern bfd_boolean _bfd_link_section_stabs |
c58b9523 | 493 | (bfd *, void **, asection *, asection *, void **); |
252b5132 | 494 | |
73d074b4 | 495 | /* Eliminate stabs for discarded functions and symbols. */ |
b34976b6 | 496 | extern bfd_boolean _bfd_discard_section_stabs |
c58b9523 | 497 | (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); |
73d074b4 | 498 | |
252b5132 RH |
499 | /* Write out the .stab section when linking stabs in sections. */ |
500 | ||
b34976b6 | 501 | extern bfd_boolean _bfd_write_section_stabs |
c58b9523 | 502 | (bfd *, void **, asection *, void **, bfd_byte *); |
252b5132 RH |
503 | |
504 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
505 | ||
b34976b6 | 506 | extern bfd_boolean _bfd_write_stab_strings |
c58b9523 | 507 | (bfd *, void **); |
252b5132 RH |
508 | |
509 | /* Find an offset within a .stab section when linking stabs in | |
510 | sections. */ | |
511 | ||
512 | extern bfd_vma _bfd_stab_section_offset | |
c58b9523 | 513 | (bfd *, void **, asection *, void **, bfd_vma); |
252b5132 | 514 | |
f5fa8ca2 JJ |
515 | /* Attempt to merge a SEC_MERGE section. */ |
516 | ||
b34976b6 | 517 | extern bfd_boolean _bfd_merge_section |
c58b9523 | 518 | (bfd *, void **, asection *, void **); |
f5fa8ca2 | 519 | |
8550eb6e JJ |
520 | /* Attempt to merge SEC_MERGE sections. */ |
521 | ||
b34976b6 | 522 | extern bfd_boolean _bfd_merge_sections |
c58b9523 | 523 | (bfd *, void *, void (*) (bfd *, asection *)); |
8550eb6e | 524 | |
f5fa8ca2 JJ |
525 | /* Write out a merged section. */ |
526 | ||
b34976b6 | 527 | extern bfd_boolean _bfd_write_merged_section |
c58b9523 | 528 | (bfd *, asection *, void *); |
f5fa8ca2 JJ |
529 | |
530 | /* Find an offset within a modified SEC_MERGE section. */ | |
531 | ||
532 | extern bfd_vma _bfd_merged_section_offset | |
c58b9523 | 533 | (bfd *, asection **, void *, bfd_vma, bfd_vma); |
f5fa8ca2 | 534 | |
252b5132 | 535 | /* Create a string table. */ |
b34976b6 | 536 | extern struct bfd_strtab_hash *_bfd_stringtab_init |
c58b9523 | 537 | (void); |
252b5132 RH |
538 | |
539 | /* Create an XCOFF .debug section style string table. */ | |
b34976b6 | 540 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init |
c58b9523 | 541 | (void); |
252b5132 RH |
542 | |
543 | /* Free a string table. */ | |
b34976b6 | 544 | extern void _bfd_stringtab_free |
c58b9523 | 545 | (struct bfd_strtab_hash *); |
252b5132 RH |
546 | |
547 | /* Get the size of a string table. */ | |
b34976b6 | 548 | extern bfd_size_type _bfd_stringtab_size |
c58b9523 | 549 | (struct bfd_strtab_hash *); |
252b5132 RH |
550 | |
551 | /* Add a string to a string table. */ | |
552 | extern bfd_size_type _bfd_stringtab_add | |
c58b9523 | 553 | (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); |
252b5132 RH |
554 | |
555 | /* Write out a string table. */ | |
b34976b6 | 556 | extern bfd_boolean _bfd_stringtab_emit |
c58b9523 | 557 | (bfd *, struct bfd_strtab_hash *); |
875f7f69 JR |
558 | |
559 | /* Check that endianness of input and output file match. */ | |
b34976b6 | 560 | extern bfd_boolean _bfd_generic_verify_endian_match |
c58b9523 | 561 | (bfd *, bfd *); |
252b5132 RH |
562 | \f |
563 | /* Macros to tell if bfds are read or write enabled. | |
564 | ||
565 | Note that bfds open for read may be scribbled into if the fd passed | |
566 | to bfd_fdopenr is actually open both for read and write | |
567 | simultaneously. However an output bfd will never be open for | |
568 | read. Therefore sometimes you want to check bfd_read_p or | |
569 | !bfd_read_p, and only sometimes bfd_write_p. | |
570 | */ | |
571 | ||
c58b9523 AM |
572 | #define bfd_read_p(abfd) \ |
573 | ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
574 | #define bfd_write_p(abfd) \ | |
575 | ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
252b5132 | 576 | |
b34976b6 | 577 | void bfd_assert |
c58b9523 | 578 | (const char*,int); |
252b5132 RH |
579 | |
580 | #define BFD_ASSERT(x) \ | |
c58b9523 | 581 | { if (!(x)) bfd_assert(__FILE__,__LINE__); } |
252b5132 RH |
582 | |
583 | #define BFD_FAIL() \ | |
c58b9523 | 584 | { bfd_assert(__FILE__,__LINE__); } |
252b5132 | 585 | |
b34976b6 | 586 | extern void _bfd_abort |
c58b9523 | 587 | (const char *, int, const char *) ATTRIBUTE_NORETURN; |
c0bed66d | 588 | |
a1934524 AM |
589 | /* if gcc >= 2.6, we can give a function name, too */ |
590 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
591 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
592 | #endif | |
593 | ||
594 | #undef abort | |
595 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
596 | ||
b34976b6 | 597 | FILE * bfd_cache_lookup_worker |
c58b9523 | 598 | (bfd *); |
252b5132 RH |
599 | |
600 | extern bfd *bfd_last_cache; | |
601 | ||
602 | /* List of supported target vectors, and the default vector (if | |
603 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 604 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
605 | extern const bfd_target *bfd_default_vector[]; |
606 | ||
08f74004 AM |
607 | /* List of associated target vectors. */ |
608 | extern const bfd_target * const *bfd_associated_vector; | |
609 | ||
252b5132 RH |
610 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no |
611 | other common header files. */ | |
612 | ||
613 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
614 | struct ecoff_find_line; | |
615 | #endif | |
616 | ||
b34976b6 | 617 | extern bfd_boolean _bfd_ecoff_locate_line |
c58b9523 AM |
618 | (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, |
619 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
620 | const char **, const char **, unsigned int *); | |
b34976b6 | 621 | extern bfd_boolean _bfd_ecoff_get_accumulated_pdr |
c58b9523 | 622 | (void *, bfd_byte *); |
b34976b6 | 623 | extern bfd_boolean _bfd_ecoff_get_accumulated_sym |
c58b9523 | 624 | (void *, bfd_byte *); |
b34976b6 | 625 | extern bfd_boolean _bfd_ecoff_get_accumulated_ss |
c58b9523 | 626 | (void *, bfd_byte *); |
b34976b6 AM |
627 | |
628 | extern bfd_vma _bfd_get_gp_value | |
c58b9523 | 629 | (bfd *); |
b34976b6 | 630 | extern void _bfd_set_gp_value |
c58b9523 | 631 | (bfd *, bfd_vma); |
252b5132 RH |
632 | |
633 | /* Function shared by the COFF and ELF SH backends, which have no | |
634 | other common header files. */ | |
635 | ||
c58b9523 | 636 | #ifndef _bfd_sh_align_load_span |
b34976b6 | 637 | extern bfd_boolean _bfd_sh_align_load_span |
c58b9523 AM |
638 | (bfd *, asection *, bfd_byte *, |
639 | bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), | |
640 | void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); | |
641 | #endif |