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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, | |
aa820537 | 5 | 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
f075ee0c | 6 | Free Software Foundation, Inc. |
7c192733 | 7 | |
252b5132 RH |
8 | Written by Cygnus Support. |
9 | ||
cd123cb7 NC |
10 | This file is part of BFD, the Binary File Descriptor library. |
11 | ||
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; either version 3 of the License, or | |
15 | (at your option) any later version. | |
16 | ||
17 | This program is distributed in the hope that it will be useful, | |
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | GNU General Public License for more details. | |
21 | ||
22 | You should have received a copy of the GNU General Public License | |
23 | along with this program; if not, write to the Free Software | |
24 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
25 | MA 02110-1301, USA. */ | |
252b5132 | 26 | |
109f7096 BE |
27 | #include "hashtab.h" |
28 | ||
252b5132 RH |
29 | /* Align an address upward to a boundary, expressed as a number of bytes. |
30 | E.g. align to an 8-byte boundary with argument of 8. Take care never | |
31 | to wrap around if the address is within boundary-1 of the end of the | |
32 | address space. */ | |
dc810e39 AM |
33 | #define BFD_ALIGN(this, boundary) \ |
34 | ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ | |
35 | ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ | |
252b5132 RH |
36 | : ~ (bfd_vma) 0) |
37 | ||
38 | /* If you want to read and write large blocks, you might want to do it | |
39 | in quanta of this amount */ | |
40 | #define DEFAULT_BUFFERSIZE 8192 | |
41 | ||
42 | /* Set a tdata field. Can't use the other macros for this, since they | |
43 | do casts, and casting to the left of assignment isn't portable. */ | |
c58b9523 | 44 | #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) |
252b5132 RH |
45 | |
46 | /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points | |
47 | to an instance of this structure. */ | |
48 | ||
49 | struct bfd_in_memory | |
50 | { | |
51 | /* Size of buffer. */ | |
52 | bfd_size_type size; | |
53 | /* Buffer holding contents of BFD. */ | |
54 | bfd_byte *buffer; | |
55 | }; | |
56 | ||
66eb6687 AM |
57 | struct section_hash_entry |
58 | { | |
59 | struct bfd_hash_entry root; | |
60 | asection section; | |
61 | }; | |
62 | ||
252b5132 RH |
63 | /* tdata for an archive. For an input archive, cache |
64 | needs to be free()'d. For an output archive, symdefs do. */ | |
65 | ||
66 | struct artdata { | |
67 | file_ptr first_file_filepos; | |
68 | /* Speed up searching the armap */ | |
109f7096 | 69 | htab_t cache; |
52b219b5 | 70 | bfd *archive_head; /* Only interesting in output routines */ |
252b5132 | 71 | carsym *symdefs; /* the symdef entries */ |
52b219b5 | 72 | symindex symdef_count; /* how many there are */ |
252b5132 | 73 | char *extended_names; /* clever intel extension */ |
9e492e05 | 74 | bfd_size_type extended_names_size; /* Size of extended names */ |
252b5132 RH |
75 | /* when more compilers are standard C, this can be a time_t */ |
76 | long armap_timestamp; /* Timestamp value written into armap. | |
77 | This is used for BSD archives to check | |
78 | that the timestamp is recent enough | |
79 | for the BSD linker to not complain, | |
80 | just before we finish writing an | |
81 | archive. */ | |
82 | file_ptr armap_datepos; /* Position within archive to seek to | |
83 | rewrite the date field. */ | |
c58b9523 | 84 | void *tdata; /* Backend specific information. */ |
252b5132 RH |
85 | }; |
86 | ||
87 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
88 | ||
89 | /* Goes in bfd's arelt_data slot */ | |
90 | struct areltdata { | |
52b219b5 AM |
91 | char * arch_header; /* it's actually a string */ |
92 | unsigned int parsed_size; /* octets of filesize not including ar_hdr */ | |
93 | char *filename; /* null-terminated */ | |
a8da6403 | 94 | file_ptr origin; /* for element of a thin archive */ |
252b5132 RH |
95 | }; |
96 | ||
97 | #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) | |
98 | ||
c58b9523 AM |
99 | extern void *bfd_malloc |
100 | (bfd_size_type); | |
101 | extern void *bfd_realloc | |
102 | (void *, bfd_size_type); | |
515ef31d NC |
103 | extern void *bfd_realloc_or_free |
104 | (void *, bfd_size_type); | |
c58b9523 AM |
105 | extern void *bfd_zmalloc |
106 | (bfd_size_type); | |
d0fb9a8d JJ |
107 | extern void *bfd_malloc2 |
108 | (bfd_size_type, bfd_size_type); | |
109 | extern void *bfd_realloc2 | |
110 | (void *, bfd_size_type, bfd_size_type); | |
111 | extern void *bfd_zmalloc2 | |
112 | (bfd_size_type, bfd_size_type); | |
252b5132 | 113 | |
185d09ad | 114 | extern void _bfd_default_error_handler (const char *s, ...); |
252b5132 RH |
115 | extern bfd_error_handler_type _bfd_error_handler; |
116 | ||
117 | /* These routines allocate and free things on the BFD's objalloc. */ | |
118 | ||
c58b9523 AM |
119 | extern void *bfd_alloc |
120 | (bfd *, bfd_size_type); | |
121 | extern void *bfd_zalloc | |
122 | (bfd *, bfd_size_type); | |
d0fb9a8d JJ |
123 | extern void *bfd_alloc2 |
124 | (bfd *, bfd_size_type, bfd_size_type); | |
125 | extern void *bfd_zalloc2 | |
126 | (bfd *, bfd_size_type, bfd_size_type); | |
b34976b6 | 127 | extern void bfd_release |
c58b9523 | 128 | (bfd *, void *); |
b34976b6 AM |
129 | |
130 | bfd * _bfd_create_empty_archive_element_shell | |
c58b9523 | 131 | (bfd *obfd); |
b34976b6 | 132 | bfd * _bfd_look_for_bfd_in_cache |
c58b9523 | 133 | (bfd *, file_ptr); |
b34976b6 | 134 | bfd_boolean _bfd_add_bfd_to_archive_cache |
c58b9523 | 135 | (bfd *, file_ptr, bfd *); |
b34976b6 | 136 | bfd_boolean _bfd_generic_mkarchive |
c58b9523 | 137 | (bfd *abfd); |
b34976b6 | 138 | const bfd_target *bfd_generic_archive_p |
c58b9523 | 139 | (bfd *abfd); |
b34976b6 | 140 | bfd_boolean bfd_slurp_armap |
c58b9523 | 141 | (bfd *abfd); |
b34976b6 | 142 | bfd_boolean bfd_slurp_bsd_armap_f2 |
c58b9523 | 143 | (bfd *abfd); |
252b5132 RH |
144 | #define bfd_slurp_bsd_armap bfd_slurp_armap |
145 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
b34976b6 | 146 | bfd_boolean _bfd_slurp_extended_name_table |
c58b9523 | 147 | (bfd *abfd); |
b34976b6 | 148 | extern bfd_boolean _bfd_construct_extended_name_table |
c58b9523 | 149 | (bfd *, bfd_boolean, char **, bfd_size_type *); |
b34976b6 | 150 | bfd_boolean _bfd_write_archive_contents |
c58b9523 | 151 | (bfd *abfd); |
b34976b6 | 152 | bfd_boolean _bfd_compute_and_write_armap |
c58b9523 | 153 | (bfd *, unsigned int elength); |
b34976b6 | 154 | bfd *_bfd_get_elt_at_filepos |
c58b9523 | 155 | (bfd *archive, file_ptr filepos); |
b34976b6 | 156 | extern bfd *_bfd_generic_get_elt_at_index |
c58b9523 | 157 | (bfd *, symindex); |
b34976b6 | 158 | bfd * _bfd_new_bfd |
c58b9523 | 159 | (void); |
b34976b6 | 160 | void _bfd_delete_bfd |
c58b9523 | 161 | (bfd *); |
b25e3d87 L |
162 | bfd_boolean _bfd_free_cached_info |
163 | (bfd *); | |
b34976b6 AM |
164 | |
165 | bfd_boolean bfd_false | |
c58b9523 | 166 | (bfd *ignore); |
b34976b6 | 167 | bfd_boolean bfd_true |
c58b9523 AM |
168 | (bfd *ignore); |
169 | void *bfd_nullvoidptr | |
170 | (bfd *ignore); | |
b34976b6 | 171 | int bfd_0 |
c58b9523 | 172 | (bfd *ignore); |
b34976b6 | 173 | unsigned int bfd_0u |
c58b9523 | 174 | (bfd *ignore); |
b34976b6 | 175 | long bfd_0l |
c58b9523 | 176 | (bfd *ignore); |
b34976b6 | 177 | long _bfd_n1 |
c58b9523 | 178 | (bfd *ignore); |
b34976b6 | 179 | void bfd_void |
c58b9523 | 180 | (bfd *ignore); |
b34976b6 AM |
181 | |
182 | bfd *_bfd_new_bfd_contained_in | |
c58b9523 | 183 | (bfd *); |
b34976b6 | 184 | const bfd_target *_bfd_dummy_target |
c58b9523 | 185 | (bfd *abfd); |
b34976b6 AM |
186 | |
187 | void bfd_dont_truncate_arname | |
c58b9523 | 188 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 189 | void bfd_bsd_truncate_arname |
c58b9523 | 190 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 191 | void bfd_gnu_truncate_arname |
c58b9523 | 192 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 AM |
193 | |
194 | bfd_boolean bsd_write_armap | |
c58b9523 AM |
195 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
196 | int stridx); | |
b34976b6 AM |
197 | |
198 | bfd_boolean coff_write_armap | |
c58b9523 AM |
199 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
200 | int stridx); | |
b34976b6 | 201 | |
c58b9523 AM |
202 | extern void *_bfd_generic_read_ar_hdr |
203 | (bfd *); | |
390c0e42 JJ |
204 | extern void _bfd_ar_spacepad |
205 | (char *, size_t, const char *, long); | |
b34976b6 | 206 | |
c58b9523 AM |
207 | extern void *_bfd_generic_read_ar_hdr_mag |
208 | (bfd *, const char *); | |
b34976b6 AM |
209 | |
210 | bfd * bfd_generic_openr_next_archived_file | |
c58b9523 | 211 | (bfd *archive, bfd *last_file); |
b34976b6 AM |
212 | |
213 | int bfd_generic_stat_arch_elt | |
c58b9523 | 214 | (bfd *, struct stat *); |
252b5132 RH |
215 | |
216 | #define _bfd_read_ar_hdr(abfd) \ | |
217 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
218 | \f | |
219 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
220 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
221 | ||
222 | #define _bfd_generic_close_and_cleanup bfd_true | |
223 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
f592407e AM |
224 | extern bfd_boolean _bfd_generic_new_section_hook |
225 | (bfd *, asection *); | |
b34976b6 | 226 | extern bfd_boolean _bfd_generic_get_section_contents |
c58b9523 | 227 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
b34976b6 | 228 | extern bfd_boolean _bfd_generic_get_section_contents_in_window |
c58b9523 | 229 | (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); |
252b5132 RH |
230 | |
231 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
232 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
233 | ||
234 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
c58b9523 | 235 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 236 | #define _bfd_generic_bfd_merge_private_bfd_data \ |
c58b9523 | 237 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 238 | #define _bfd_generic_bfd_set_private_flags \ |
c58b9523 | 239 | ((bfd_boolean (*) (bfd *, flagword)) bfd_true) |
252b5132 | 240 | #define _bfd_generic_bfd_copy_private_section_data \ |
c58b9523 | 241 | ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) |
252b5132 | 242 | #define _bfd_generic_bfd_copy_private_symbol_data \ |
c58b9523 | 243 | ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) |
80fccad2 BW |
244 | #define _bfd_generic_bfd_copy_private_header_data \ |
245 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) | |
252b5132 | 246 | #define _bfd_generic_bfd_print_private_bfd_data \ |
c58b9523 | 247 | ((bfd_boolean (*) (bfd *, void *)) bfd_true) |
252b5132 | 248 | |
ccd2ec6a L |
249 | extern bfd_boolean _bfd_generic_init_private_section_data |
250 | (bfd *, asection *, bfd *, asection *, struct bfd_link_info *); | |
251 | ||
252b5132 RH |
252 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file |
253 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
254 | ||
b34976b6 | 255 | extern char *_bfd_nocore_core_file_failing_command |
c58b9523 | 256 | (bfd *); |
b34976b6 | 257 | extern int _bfd_nocore_core_file_failing_signal |
c58b9523 | 258 | (bfd *); |
b34976b6 | 259 | extern bfd_boolean _bfd_nocore_core_file_matches_executable_p |
c58b9523 | 260 | (bfd *, bfd *); |
252b5132 RH |
261 | |
262 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
263 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
264 | ||
265 | #define _bfd_noarchive_slurp_armap bfd_false | |
266 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
267 | #define _bfd_noarchive_construct_extended_name_table \ | |
c58b9523 | 268 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ |
252b5132 RH |
269 | bfd_false) |
270 | #define _bfd_noarchive_truncate_arname \ | |
c58b9523 | 271 | ((void (*) (bfd *, const char *, char *)) bfd_void) |
252b5132 | 272 | #define _bfd_noarchive_write_armap \ |
c58b9523 | 273 | ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ |
252b5132 RH |
274 | bfd_false) |
275 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
276 | #define _bfd_noarchive_openr_next_archived_file \ | |
c58b9523 | 277 | ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) |
252b5132 | 278 | #define _bfd_noarchive_get_elt_at_index \ |
c58b9523 | 279 | ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) |
252b5132 RH |
280 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt |
281 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
282 | ||
283 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
284 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
285 | ||
286 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
287 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
288 | _bfd_slurp_extended_name_table | |
b34976b6 | 289 | extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table |
c58b9523 | 290 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
291 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname |
292 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
293 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
294 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
295 | bfd_generic_openr_next_archived_file | |
296 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
297 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
298 | bfd_generic_stat_arch_elt | |
b34976b6 | 299 | extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp |
c58b9523 | 300 | (bfd *); |
252b5132 RH |
301 | |
302 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
303 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
304 | ||
305 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
306 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
307 | _bfd_slurp_extended_name_table | |
b34976b6 | 308 | extern bfd_boolean _bfd_archive_coff_construct_extended_name_table |
c58b9523 | 309 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
310 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname |
311 | #define _bfd_archive_coff_write_armap coff_write_armap | |
312 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
313 | #define _bfd_archive_coff_openr_next_archived_file \ | |
314 | bfd_generic_openr_next_archived_file | |
315 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
316 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
317 | bfd_generic_stat_arch_elt | |
318 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
319 | ||
320 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
321 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
322 | ||
323 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
6cee3f79 | 324 | #define _bfd_nosymbols_canonicalize_symtab \ |
c58b9523 | 325 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
3f3c5c34 | 326 | #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol |
252b5132 | 327 | #define _bfd_nosymbols_print_symbol \ |
c58b9523 | 328 | ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) |
252b5132 | 329 | #define _bfd_nosymbols_get_symbol_info \ |
c58b9523 | 330 | ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) |
252b5132 | 331 | #define _bfd_nosymbols_bfd_is_local_label_name \ |
c58b9523 | 332 | ((bfd_boolean (*) (bfd *, const char *)) bfd_false) |
3c9458e9 NC |
333 | #define _bfd_nosymbols_bfd_is_target_special_symbol \ |
334 | ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
252b5132 | 335 | #define _bfd_nosymbols_get_lineno \ |
c58b9523 | 336 | ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) |
252b5132 | 337 | #define _bfd_nosymbols_find_nearest_line \ |
c58b9523 AM |
338 | ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ |
339 | const char **, unsigned int *)) \ | |
252b5132 | 340 | bfd_false) |
4ab527b0 FF |
341 | #define _bfd_nosymbols_find_inliner_info \ |
342 | ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \ | |
343 | bfd_false) | |
252b5132 | 344 | #define _bfd_nosymbols_bfd_make_debug_symbol \ |
c58b9523 | 345 | ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) |
252b5132 | 346 | #define _bfd_nosymbols_read_minisymbols \ |
c58b9523 | 347 | ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) |
252b5132 | 348 | #define _bfd_nosymbols_minisymbol_to_symbol \ |
c58b9523 | 349 | ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ |
252b5132 RH |
350 | bfd_nullvoidptr) |
351 | ||
352 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
353 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
354 | ||
72f6ea61 AM |
355 | extern long _bfd_norelocs_get_reloc_upper_bound (bfd *, asection *); |
356 | extern long _bfd_norelocs_canonicalize_reloc (bfd *, asection *, | |
357 | arelent **, asymbol **); | |
252b5132 | 358 | #define _bfd_norelocs_bfd_reloc_type_lookup \ |
c58b9523 | 359 | ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) |
157090f7 AM |
360 | #define _bfd_norelocs_bfd_reloc_name_lookup \ |
361 | ((reloc_howto_type *(*) (bfd *, const char *)) bfd_nullvoidptr) | |
252b5132 RH |
362 | |
363 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
364 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
365 | ||
366 | #define _bfd_nowrite_set_arch_mach \ | |
c58b9523 | 367 | ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ |
252b5132 RH |
368 | bfd_false) |
369 | #define _bfd_nowrite_set_section_contents \ | |
0f867abe | 370 | ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ |
252b5132 RH |
371 | bfd_false) |
372 | ||
373 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
374 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
375 | ||
376 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
b34976b6 | 377 | extern bfd_boolean _bfd_generic_set_section_contents |
0f867abe | 378 | (bfd *, asection *, const void *, file_ptr, bfd_size_type); |
252b5132 RH |
379 | |
380 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
381 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
382 | ||
a6b96beb AM |
383 | #define _bfd_nolink_sizeof_headers \ |
384 | ((int (*) (bfd *, struct bfd_link_info *)) bfd_0) | |
252b5132 | 385 | #define _bfd_nolink_bfd_get_relocated_section_contents \ |
c58b9523 AM |
386 | ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ |
387 | bfd_byte *, bfd_boolean, asymbol **)) \ | |
252b5132 RH |
388 | bfd_nullvoidptr) |
389 | #define _bfd_nolink_bfd_relax_section \ | |
b34976b6 | 390 | ((bfd_boolean (*) \ |
c58b9523 | 391 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ |
252b5132 RH |
392 | bfd_false) |
393 | #define _bfd_nolink_bfd_gc_sections \ | |
c58b9523 | 394 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
252b5132 | 395 | bfd_false) |
8550eb6e | 396 | #define _bfd_nolink_bfd_merge_sections \ |
c58b9523 | 397 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
8550eb6e | 398 | bfd_false) |
72adc230 AM |
399 | #define _bfd_nolink_bfd_is_group_section \ |
400 | ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ | |
401 | bfd_false) | |
e61463e1 | 402 | #define _bfd_nolink_bfd_discard_group \ |
198beae2 | 403 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ |
e61463e1 | 404 | bfd_false) |
252b5132 | 405 | #define _bfd_nolink_bfd_link_hash_table_create \ |
c58b9523 | 406 | ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) |
e2d34d7d | 407 | #define _bfd_nolink_bfd_link_hash_table_free \ |
c58b9523 | 408 | ((void (*) (struct bfd_link_hash_table *)) bfd_void) |
252b5132 | 409 | #define _bfd_nolink_bfd_link_add_symbols \ |
c58b9523 | 410 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
2d653fc7 | 411 | #define _bfd_nolink_bfd_link_just_syms \ |
c58b9523 | 412 | ((void (*) (asection *, struct bfd_link_info *)) bfd_void) |
1338dd10 PB |
413 | #define _bfd_nolink_bfd_copy_link_hash_symbol_type \ |
414 | ((void (*) (bfd *, struct bfd_link_hash_entry *, \ | |
415 | struct bfd_link_hash_entry *)) bfd_void) | |
252b5132 | 416 | #define _bfd_nolink_bfd_final_link \ |
c58b9523 | 417 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
252b5132 | 418 | #define _bfd_nolink_bfd_link_split_section \ |
198beae2 | 419 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) |
082b7297 | 420 | #define _bfd_nolink_section_already_linked \ |
c0f00686 | 421 | ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void) |
3023e3f6 RS |
422 | #define _bfd_nolink_bfd_define_common_symbol \ |
423 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *, \ | |
424 | struct bfd_link_hash_entry *)) bfd_false) | |
252b5132 RH |
425 | |
426 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
427 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
428 | (_bfd_nodynamic). */ | |
429 | ||
430 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
431 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
c58b9523 | 432 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
4c45e5c9 | 433 | #define _bfd_nodynamic_get_synthetic_symtab \ |
c9727e01 | 434 | ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) |
252b5132 RH |
435 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 |
436 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
c58b9523 | 437 | ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) |
252b5132 RH |
438 | \f |
439 | /* Generic routine to determine of the given symbol is a local | |
440 | label. */ | |
b34976b6 | 441 | extern bfd_boolean bfd_generic_is_local_label_name |
c58b9523 | 442 | (bfd *, const char *); |
252b5132 RH |
443 | |
444 | /* Generic minisymbol routines. */ | |
445 | extern long _bfd_generic_read_minisymbols | |
c58b9523 | 446 | (bfd *, bfd_boolean, void **, unsigned int *); |
252b5132 | 447 | extern asymbol *_bfd_generic_minisymbol_to_symbol |
c58b9523 | 448 | (bfd *, bfd_boolean, const void *, asymbol *); |
252b5132 RH |
449 | |
450 | /* Find the nearest line using .stab/.stabstr sections. */ | |
b34976b6 | 451 | extern bfd_boolean _bfd_stab_section_find_nearest_line |
c58b9523 AM |
452 | (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, |
453 | const char **, const char **, unsigned int *, void **); | |
252b5132 | 454 | |
2db3311b | 455 | /* Find the nearest line using DWARF 1 debugging information. */ |
b34976b6 | 456 | extern bfd_boolean _bfd_dwarf1_find_nearest_line |
c58b9523 AM |
457 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
458 | const char **, unsigned int *); | |
252b5132 RH |
459 | |
460 | /* Find the nearest line using DWARF 2 debugging information. */ | |
b34976b6 | 461 | extern bfd_boolean _bfd_dwarf2_find_nearest_line |
c58b9523 AM |
462 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
463 | unsigned int *, unsigned int, void **); | |
252b5132 | 464 | |
5420f73d L |
465 | /* Find the line using DWARF 2 debugging information. */ |
466 | extern bfd_boolean _bfd_dwarf2_find_line | |
467 | (bfd *, asymbol **, asymbol *, const char **, | |
468 | unsigned int *, unsigned int, void **); | |
469 | ||
470 | bfd_boolean _bfd_generic_find_line | |
471 | (bfd *, asymbol **, asymbol *, const char **, unsigned int *); | |
472 | ||
4ab527b0 FF |
473 | /* Find inliner info after calling bfd_find_nearest_line. */ |
474 | extern bfd_boolean _bfd_dwarf2_find_inliner_info | |
475 | (bfd *, const char **, const char **, unsigned int *, void **); | |
476 | ||
73e87d70 AM |
477 | /* Create a new section entry. */ |
478 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
c58b9523 | 479 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
73e87d70 | 480 | |
252b5132 RH |
481 | /* A routine to create entries for a bfd_link_hash_table. */ |
482 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
c58b9523 AM |
483 | (struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
484 | const char *string); | |
252b5132 RH |
485 | |
486 | /* Initialize a bfd_link_hash_table. */ | |
b34976b6 | 487 | extern bfd_boolean _bfd_link_hash_table_init |
c58b9523 AM |
488 | (struct bfd_link_hash_table *, bfd *, |
489 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
490 | struct bfd_hash_table *, | |
66eb6687 AM |
491 | const char *), |
492 | unsigned int); | |
252b5132 RH |
493 | |
494 | /* Generic link hash table creation routine. */ | |
495 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
c58b9523 | 496 | (bfd *); |
252b5132 | 497 | |
e2d34d7d DJ |
498 | /* Generic link hash table destruction routine. */ |
499 | extern void _bfd_generic_link_hash_table_free | |
c58b9523 | 500 | (struct bfd_link_hash_table *); |
e2d34d7d | 501 | |
252b5132 | 502 | /* Generic add symbol routine. */ |
b34976b6 | 503 | extern bfd_boolean _bfd_generic_link_add_symbols |
c58b9523 | 504 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
505 | |
506 | /* Generic add symbol routine. This version is used by targets for | |
507 | which the linker must collect constructors and destructors by name, | |
508 | as the collect2 program does. */ | |
b34976b6 | 509 | extern bfd_boolean _bfd_generic_link_add_symbols_collect |
c58b9523 | 510 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
511 | |
512 | /* Generic archive add symbol routine. */ | |
b34976b6 | 513 | extern bfd_boolean _bfd_generic_link_add_archive_symbols |
c58b9523 AM |
514 | (bfd *, struct bfd_link_info *, |
515 | bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 | 516 | |
252b5132 RH |
517 | /* Forward declaration to avoid prototype errors. */ |
518 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
519 | ||
520 | /* Generic routine to add a single symbol. */ | |
b34976b6 | 521 | extern bfd_boolean _bfd_generic_link_add_one_symbol |
c58b9523 AM |
522 | (struct bfd_link_info *, bfd *, const char *name, flagword, |
523 | asection *, bfd_vma, const char *, bfd_boolean copy, | |
524 | bfd_boolean constructor, struct bfd_link_hash_entry **); | |
252b5132 | 525 | |
2d653fc7 AM |
526 | /* Generic routine to mark section as supplying symbols only. */ |
527 | extern void _bfd_generic_link_just_syms | |
c58b9523 | 528 | (asection *, struct bfd_link_info *); |
2d653fc7 | 529 | |
1338dd10 PB |
530 | /* Generic routine that does nothing. */ |
531 | extern void _bfd_generic_copy_link_hash_symbol_type | |
532 | (bfd *, struct bfd_link_hash_entry *, struct bfd_link_hash_entry *); | |
533 | ||
252b5132 | 534 | /* Generic link routine. */ |
b34976b6 | 535 | extern bfd_boolean _bfd_generic_final_link |
c58b9523 | 536 | (bfd *, struct bfd_link_info *); |
252b5132 | 537 | |
b34976b6 | 538 | extern bfd_boolean _bfd_generic_link_split_section |
198beae2 | 539 | (bfd *, struct bfd_section *); |
252b5132 | 540 | |
082b7297 | 541 | extern void _bfd_generic_section_already_linked |
c0f00686 | 542 | (bfd *, struct bfd_section *, struct bfd_link_info *); |
082b7297 | 543 | |
252b5132 | 544 | /* Generic reloc_link_order processing routine. */ |
b34976b6 | 545 | extern bfd_boolean _bfd_generic_reloc_link_order |
c58b9523 | 546 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
547 | |
548 | /* Default link order processing routine. */ | |
b34976b6 | 549 | extern bfd_boolean _bfd_default_link_order |
c58b9523 | 550 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
551 | |
552 | /* Count the number of reloc entries in a link order list. */ | |
553 | extern unsigned int _bfd_count_link_order_relocs | |
c58b9523 | 554 | (struct bfd_link_order *); |
252b5132 RH |
555 | |
556 | /* Final link relocation routine. */ | |
557 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
c58b9523 AM |
558 | (reloc_howto_type *, bfd *, asection *, bfd_byte *, |
559 | bfd_vma, bfd_vma, bfd_vma); | |
252b5132 RH |
560 | |
561 | /* Relocate a particular location by a howto and a value. */ | |
562 | extern bfd_reloc_status_type _bfd_relocate_contents | |
c58b9523 | 563 | (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); |
252b5132 | 564 | |
b1e24c02 DJ |
565 | /* Clear a given location using a given howto. */ |
566 | extern void _bfd_clear_contents (reloc_howto_type *howto, bfd *input_bfd, | |
567 | bfd_byte *location); | |
568 | ||
252b5132 RH |
569 | /* Link stabs in sections in the first pass. */ |
570 | ||
b34976b6 | 571 | extern bfd_boolean _bfd_link_section_stabs |
3722b82f AM |
572 | (bfd *, struct stab_info *, asection *, asection *, void **, |
573 | bfd_size_type *); | |
252b5132 | 574 | |
73d074b4 | 575 | /* Eliminate stabs for discarded functions and symbols. */ |
b34976b6 | 576 | extern bfd_boolean _bfd_discard_section_stabs |
c58b9523 | 577 | (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); |
73d074b4 | 578 | |
252b5132 RH |
579 | /* Write out the .stab section when linking stabs in sections. */ |
580 | ||
b34976b6 | 581 | extern bfd_boolean _bfd_write_section_stabs |
3722b82f | 582 | (bfd *, struct stab_info *, asection *, void **, bfd_byte *); |
252b5132 RH |
583 | |
584 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
585 | ||
b34976b6 | 586 | extern bfd_boolean _bfd_write_stab_strings |
3722b82f | 587 | (bfd *, struct stab_info *); |
252b5132 RH |
588 | |
589 | /* Find an offset within a .stab section when linking stabs in | |
590 | sections. */ | |
591 | ||
592 | extern bfd_vma _bfd_stab_section_offset | |
eea6121a | 593 | (asection *, void *, bfd_vma); |
252b5132 | 594 | |
57ceae94 | 595 | /* Register a SEC_MERGE section as a candidate for merging. */ |
f5fa8ca2 | 596 | |
57ceae94 | 597 | extern bfd_boolean _bfd_add_merge_section |
c58b9523 | 598 | (bfd *, void **, asection *, void **); |
f5fa8ca2 | 599 | |
8550eb6e JJ |
600 | /* Attempt to merge SEC_MERGE sections. */ |
601 | ||
b34976b6 | 602 | extern bfd_boolean _bfd_merge_sections |
57ceae94 | 603 | (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); |
8550eb6e | 604 | |
f5fa8ca2 JJ |
605 | /* Write out a merged section. */ |
606 | ||
b34976b6 | 607 | extern bfd_boolean _bfd_write_merged_section |
c58b9523 | 608 | (bfd *, asection *, void *); |
f5fa8ca2 JJ |
609 | |
610 | /* Find an offset within a modified SEC_MERGE section. */ | |
611 | ||
612 | extern bfd_vma _bfd_merged_section_offset | |
753731ee | 613 | (bfd *, asection **, void *, bfd_vma); |
f5fa8ca2 | 614 | |
252b5132 | 615 | /* Create a string table. */ |
b34976b6 | 616 | extern struct bfd_strtab_hash *_bfd_stringtab_init |
c58b9523 | 617 | (void); |
252b5132 RH |
618 | |
619 | /* Create an XCOFF .debug section style string table. */ | |
b34976b6 | 620 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init |
c58b9523 | 621 | (void); |
252b5132 RH |
622 | |
623 | /* Free a string table. */ | |
b34976b6 | 624 | extern void _bfd_stringtab_free |
c58b9523 | 625 | (struct bfd_strtab_hash *); |
252b5132 RH |
626 | |
627 | /* Get the size of a string table. */ | |
b34976b6 | 628 | extern bfd_size_type _bfd_stringtab_size |
c58b9523 | 629 | (struct bfd_strtab_hash *); |
252b5132 RH |
630 | |
631 | /* Add a string to a string table. */ | |
632 | extern bfd_size_type _bfd_stringtab_add | |
c58b9523 | 633 | (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); |
252b5132 RH |
634 | |
635 | /* Write out a string table. */ | |
b34976b6 | 636 | extern bfd_boolean _bfd_stringtab_emit |
c58b9523 | 637 | (bfd *, struct bfd_strtab_hash *); |
875f7f69 JR |
638 | |
639 | /* Check that endianness of input and output file match. */ | |
b34976b6 | 640 | extern bfd_boolean _bfd_generic_verify_endian_match |
c58b9523 | 641 | (bfd *, bfd *); |
252b5132 RH |
642 | \f |
643 | /* Macros to tell if bfds are read or write enabled. | |
644 | ||
645 | Note that bfds open for read may be scribbled into if the fd passed | |
646 | to bfd_fdopenr is actually open both for read and write | |
647 | simultaneously. However an output bfd will never be open for | |
648 | read. Therefore sometimes you want to check bfd_read_p or | |
649 | !bfd_read_p, and only sometimes bfd_write_p. | |
650 | */ | |
651 | ||
c58b9523 AM |
652 | #define bfd_read_p(abfd) \ |
653 | ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
654 | #define bfd_write_p(abfd) \ | |
655 | ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
252b5132 | 656 | |
b34976b6 | 657 | void bfd_assert |
c58b9523 | 658 | (const char*,int); |
252b5132 RH |
659 | |
660 | #define BFD_ASSERT(x) \ | |
f12123c0 | 661 | do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 RH |
662 | |
663 | #define BFD_FAIL() \ | |
f12123c0 | 664 | do { bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 | 665 | |
b34976b6 | 666 | extern void _bfd_abort |
c58b9523 | 667 | (const char *, int, const char *) ATTRIBUTE_NORETURN; |
c0bed66d | 668 | |
a1934524 AM |
669 | /* if gcc >= 2.6, we can give a function name, too */ |
670 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
671 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
672 | #endif | |
673 | ||
674 | #undef abort | |
675 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
676 | ||
7c192733 AC |
677 | /* Manipulate a system FILE but using BFD's "file_ptr", rather than |
678 | the system "off_t" or "off64_t", as the offset. */ | |
679 | extern file_ptr real_ftell (FILE *file); | |
680 | extern int real_fseek (FILE *file, file_ptr offset, int whence); | |
2e6f4fae | 681 | extern FILE *real_fopen (const char *filename, const char *modes); |
7c192733 | 682 | |
252b5132 RH |
683 | /* List of supported target vectors, and the default vector (if |
684 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 685 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
686 | extern const bfd_target *bfd_default_vector[]; |
687 | ||
08f74004 AM |
688 | /* List of associated target vectors. */ |
689 | extern const bfd_target * const *bfd_associated_vector; | |
690 | ||
252b5132 RH |
691 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no |
692 | other common header files. */ | |
693 | ||
694 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
695 | struct ecoff_find_line; | |
696 | #endif | |
697 | ||
b34976b6 | 698 | extern bfd_boolean _bfd_ecoff_locate_line |
c58b9523 AM |
699 | (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, |
700 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
701 | const char **, const char **, unsigned int *); | |
b34976b6 | 702 | extern bfd_boolean _bfd_ecoff_get_accumulated_pdr |
c58b9523 | 703 | (void *, bfd_byte *); |
b34976b6 | 704 | extern bfd_boolean _bfd_ecoff_get_accumulated_sym |
c58b9523 | 705 | (void *, bfd_byte *); |
b34976b6 | 706 | extern bfd_boolean _bfd_ecoff_get_accumulated_ss |
c58b9523 | 707 | (void *, bfd_byte *); |
b34976b6 AM |
708 | |
709 | extern bfd_vma _bfd_get_gp_value | |
c58b9523 | 710 | (bfd *); |
b34976b6 | 711 | extern void _bfd_set_gp_value |
c58b9523 | 712 | (bfd *, bfd_vma); |
252b5132 RH |
713 | |
714 | /* Function shared by the COFF and ELF SH backends, which have no | |
715 | other common header files. */ | |
716 | ||
c58b9523 | 717 | #ifndef _bfd_sh_align_load_span |
b34976b6 | 718 | extern bfd_boolean _bfd_sh_align_load_span |
c58b9523 AM |
719 | (bfd *, asection *, bfd_byte *, |
720 | bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), | |
721 | void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); | |
722 | #endif | |
082b7297 L |
723 | |
724 | /* This is the shape of the elements inside the already_linked hash | |
725 | table. It maps a name onto a list of already_linked elements with | |
726 | the same name. */ | |
727 | ||
728 | struct bfd_section_already_linked_hash_entry | |
729 | { | |
730 | struct bfd_hash_entry root; | |
731 | struct bfd_section_already_linked *entry; | |
732 | }; | |
733 | ||
734 | struct bfd_section_already_linked | |
735 | { | |
736 | struct bfd_section_already_linked *next; | |
737 | asection *sec; | |
738 | }; | |
739 | ||
740 | extern struct bfd_section_already_linked_hash_entry * | |
741 | bfd_section_already_linked_table_lookup (const char *); | |
a6626e8c | 742 | extern bfd_boolean bfd_section_already_linked_table_insert |
082b7297 | 743 | (struct bfd_section_already_linked_hash_entry *, asection *); |
3d7f7666 L |
744 | extern void bfd_section_already_linked_table_traverse |
745 | (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, | |
746 | void *), void *); | |
747 | ||
f075ee0c AM |
748 | extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); |
749 | extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); | |
c0c28ab8 | 750 |