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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, | |
66eb6687 | 5 | 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
f075ee0c | 6 | Free Software Foundation, Inc. |
7c192733 | 7 | |
252b5132 RH |
8 | Written by Cygnus Support. |
9 | ||
252b5132 RH |
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 2 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 | |
3e110533 | 24 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 | 25 | |
109f7096 BE |
26 | #include "hashtab.h" |
27 | ||
252b5132 RH |
28 | /* Align an address upward to a boundary, expressed as a number of bytes. |
29 | E.g. align to an 8-byte boundary with argument of 8. Take care never | |
30 | to wrap around if the address is within boundary-1 of the end of the | |
31 | address space. */ | |
dc810e39 AM |
32 | #define BFD_ALIGN(this, boundary) \ |
33 | ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ | |
34 | ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ | |
252b5132 RH |
35 | : ~ (bfd_vma) 0) |
36 | ||
37 | /* If you want to read and write large blocks, you might want to do it | |
38 | in quanta of this amount */ | |
39 | #define DEFAULT_BUFFERSIZE 8192 | |
40 | ||
41 | /* Set a tdata field. Can't use the other macros for this, since they | |
42 | do casts, and casting to the left of assignment isn't portable. */ | |
c58b9523 | 43 | #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) |
252b5132 RH |
44 | |
45 | /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points | |
46 | to an instance of this structure. */ | |
47 | ||
48 | struct bfd_in_memory | |
49 | { | |
50 | /* Size of buffer. */ | |
51 | bfd_size_type size; | |
52 | /* Buffer holding contents of BFD. */ | |
53 | bfd_byte *buffer; | |
54 | }; | |
55 | ||
66eb6687 AM |
56 | struct section_hash_entry |
57 | { | |
58 | struct bfd_hash_entry root; | |
59 | asection section; | |
60 | }; | |
61 | ||
252b5132 RH |
62 | /* tdata for an archive. For an input archive, cache |
63 | needs to be free()'d. For an output archive, symdefs do. */ | |
64 | ||
65 | struct artdata { | |
66 | file_ptr first_file_filepos; | |
67 | /* Speed up searching the armap */ | |
109f7096 | 68 | htab_t cache; |
52b219b5 | 69 | bfd *archive_head; /* Only interesting in output routines */ |
252b5132 | 70 | carsym *symdefs; /* the symdef entries */ |
52b219b5 | 71 | symindex symdef_count; /* how many there are */ |
252b5132 | 72 | char *extended_names; /* clever intel extension */ |
9e492e05 | 73 | bfd_size_type extended_names_size; /* Size of extended names */ |
252b5132 RH |
74 | /* when more compilers are standard C, this can be a time_t */ |
75 | long armap_timestamp; /* Timestamp value written into armap. | |
76 | This is used for BSD archives to check | |
77 | that the timestamp is recent enough | |
78 | for the BSD linker to not complain, | |
79 | just before we finish writing an | |
80 | archive. */ | |
81 | file_ptr armap_datepos; /* Position within archive to seek to | |
82 | rewrite the date field. */ | |
c58b9523 | 83 | void *tdata; /* Backend specific information. */ |
252b5132 RH |
84 | }; |
85 | ||
86 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
87 | ||
88 | /* Goes in bfd's arelt_data slot */ | |
89 | struct areltdata { | |
52b219b5 AM |
90 | char * arch_header; /* it's actually a string */ |
91 | unsigned int parsed_size; /* octets of filesize not including ar_hdr */ | |
92 | char *filename; /* null-terminated */ | |
252b5132 RH |
93 | }; |
94 | ||
95 | #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) | |
96 | ||
c58b9523 AM |
97 | extern void *bfd_malloc |
98 | (bfd_size_type); | |
99 | extern void *bfd_realloc | |
100 | (void *, bfd_size_type); | |
101 | extern void *bfd_zmalloc | |
102 | (bfd_size_type); | |
d0fb9a8d JJ |
103 | extern void *bfd_malloc2 |
104 | (bfd_size_type, bfd_size_type); | |
105 | extern void *bfd_realloc2 | |
106 | (void *, bfd_size_type, bfd_size_type); | |
107 | extern void *bfd_zmalloc2 | |
108 | (bfd_size_type, bfd_size_type); | |
252b5132 | 109 | |
185d09ad | 110 | extern void _bfd_default_error_handler (const char *s, ...); |
252b5132 RH |
111 | extern bfd_error_handler_type _bfd_error_handler; |
112 | ||
113 | /* These routines allocate and free things on the BFD's objalloc. */ | |
114 | ||
c58b9523 AM |
115 | extern void *bfd_alloc |
116 | (bfd *, bfd_size_type); | |
117 | extern void *bfd_zalloc | |
118 | (bfd *, bfd_size_type); | |
d0fb9a8d JJ |
119 | extern void *bfd_alloc2 |
120 | (bfd *, bfd_size_type, bfd_size_type); | |
121 | extern void *bfd_zalloc2 | |
122 | (bfd *, bfd_size_type, bfd_size_type); | |
b34976b6 | 123 | extern void bfd_release |
c58b9523 | 124 | (bfd *, void *); |
b34976b6 AM |
125 | |
126 | bfd * _bfd_create_empty_archive_element_shell | |
c58b9523 | 127 | (bfd *obfd); |
b34976b6 | 128 | bfd * _bfd_look_for_bfd_in_cache |
c58b9523 | 129 | (bfd *, file_ptr); |
b34976b6 | 130 | bfd_boolean _bfd_add_bfd_to_archive_cache |
c58b9523 | 131 | (bfd *, file_ptr, bfd *); |
b34976b6 | 132 | bfd_boolean _bfd_generic_mkarchive |
c58b9523 | 133 | (bfd *abfd); |
b34976b6 | 134 | const bfd_target *bfd_generic_archive_p |
c58b9523 | 135 | (bfd *abfd); |
b34976b6 | 136 | bfd_boolean bfd_slurp_armap |
c58b9523 | 137 | (bfd *abfd); |
b34976b6 | 138 | bfd_boolean bfd_slurp_bsd_armap_f2 |
c58b9523 | 139 | (bfd *abfd); |
252b5132 RH |
140 | #define bfd_slurp_bsd_armap bfd_slurp_armap |
141 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
b34976b6 | 142 | bfd_boolean _bfd_slurp_extended_name_table |
c58b9523 | 143 | (bfd *abfd); |
b34976b6 | 144 | extern bfd_boolean _bfd_construct_extended_name_table |
c58b9523 | 145 | (bfd *, bfd_boolean, char **, bfd_size_type *); |
b34976b6 | 146 | bfd_boolean _bfd_write_archive_contents |
c58b9523 | 147 | (bfd *abfd); |
b34976b6 | 148 | bfd_boolean _bfd_compute_and_write_armap |
c58b9523 | 149 | (bfd *, unsigned int elength); |
b34976b6 | 150 | bfd *_bfd_get_elt_at_filepos |
c58b9523 | 151 | (bfd *archive, file_ptr filepos); |
b34976b6 | 152 | extern bfd *_bfd_generic_get_elt_at_index |
c58b9523 | 153 | (bfd *, symindex); |
b34976b6 | 154 | bfd * _bfd_new_bfd |
c58b9523 | 155 | (void); |
b34976b6 | 156 | void _bfd_delete_bfd |
c58b9523 | 157 | (bfd *); |
b34976b6 AM |
158 | |
159 | bfd_boolean bfd_false | |
c58b9523 | 160 | (bfd *ignore); |
b34976b6 | 161 | bfd_boolean bfd_true |
c58b9523 AM |
162 | (bfd *ignore); |
163 | void *bfd_nullvoidptr | |
164 | (bfd *ignore); | |
b34976b6 | 165 | int bfd_0 |
c58b9523 | 166 | (bfd *ignore); |
b34976b6 | 167 | unsigned int bfd_0u |
c58b9523 | 168 | (bfd *ignore); |
b34976b6 | 169 | long bfd_0l |
c58b9523 | 170 | (bfd *ignore); |
b34976b6 | 171 | long _bfd_n1 |
c58b9523 | 172 | (bfd *ignore); |
b34976b6 | 173 | void bfd_void |
c58b9523 | 174 | (bfd *ignore); |
b34976b6 AM |
175 | |
176 | bfd *_bfd_new_bfd_contained_in | |
c58b9523 | 177 | (bfd *); |
b34976b6 | 178 | const bfd_target *_bfd_dummy_target |
c58b9523 | 179 | (bfd *abfd); |
b34976b6 AM |
180 | |
181 | void bfd_dont_truncate_arname | |
c58b9523 | 182 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 183 | void bfd_bsd_truncate_arname |
c58b9523 | 184 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 185 | void bfd_gnu_truncate_arname |
c58b9523 | 186 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 AM |
187 | |
188 | bfd_boolean bsd_write_armap | |
c58b9523 AM |
189 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
190 | int stridx); | |
b34976b6 AM |
191 | |
192 | bfd_boolean coff_write_armap | |
c58b9523 AM |
193 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
194 | int stridx); | |
b34976b6 | 195 | |
c58b9523 AM |
196 | extern void *_bfd_generic_read_ar_hdr |
197 | (bfd *); | |
390c0e42 JJ |
198 | extern void _bfd_ar_spacepad |
199 | (char *, size_t, const char *, long); | |
b34976b6 | 200 | |
c58b9523 AM |
201 | extern void *_bfd_generic_read_ar_hdr_mag |
202 | (bfd *, const char *); | |
b34976b6 AM |
203 | |
204 | bfd * bfd_generic_openr_next_archived_file | |
c58b9523 | 205 | (bfd *archive, bfd *last_file); |
b34976b6 AM |
206 | |
207 | int bfd_generic_stat_arch_elt | |
c58b9523 | 208 | (bfd *, struct stat *); |
252b5132 RH |
209 | |
210 | #define _bfd_read_ar_hdr(abfd) \ | |
211 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
212 | \f | |
213 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
214 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
215 | ||
216 | #define _bfd_generic_close_and_cleanup bfd_true | |
217 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
218 | #define _bfd_generic_new_section_hook \ | |
c58b9523 | 219 | ((bfd_boolean (*) (bfd *, asection *)) bfd_true) |
b34976b6 | 220 | extern bfd_boolean _bfd_generic_get_section_contents |
c58b9523 | 221 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
b34976b6 | 222 | extern bfd_boolean _bfd_generic_get_section_contents_in_window |
c58b9523 | 223 | (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); |
252b5132 RH |
224 | |
225 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
226 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
227 | ||
228 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
c58b9523 | 229 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 230 | #define _bfd_generic_bfd_merge_private_bfd_data \ |
c58b9523 | 231 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 232 | #define _bfd_generic_bfd_set_private_flags \ |
c58b9523 | 233 | ((bfd_boolean (*) (bfd *, flagword)) bfd_true) |
252b5132 | 234 | #define _bfd_generic_bfd_copy_private_section_data \ |
c58b9523 | 235 | ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) |
252b5132 | 236 | #define _bfd_generic_bfd_copy_private_symbol_data \ |
c58b9523 | 237 | ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) |
80fccad2 BW |
238 | #define _bfd_generic_bfd_copy_private_header_data \ |
239 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) | |
252b5132 | 240 | #define _bfd_generic_bfd_print_private_bfd_data \ |
c58b9523 | 241 | ((bfd_boolean (*) (bfd *, void *)) bfd_true) |
252b5132 | 242 | |
ccd2ec6a L |
243 | extern bfd_boolean _bfd_generic_init_private_section_data |
244 | (bfd *, asection *, bfd *, asection *, struct bfd_link_info *); | |
245 | ||
252b5132 RH |
246 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file |
247 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
248 | ||
b34976b6 | 249 | extern char *_bfd_nocore_core_file_failing_command |
c58b9523 | 250 | (bfd *); |
b34976b6 | 251 | extern int _bfd_nocore_core_file_failing_signal |
c58b9523 | 252 | (bfd *); |
b34976b6 | 253 | extern bfd_boolean _bfd_nocore_core_file_matches_executable_p |
c58b9523 | 254 | (bfd *, bfd *); |
252b5132 RH |
255 | |
256 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
257 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
258 | ||
259 | #define _bfd_noarchive_slurp_armap bfd_false | |
260 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
261 | #define _bfd_noarchive_construct_extended_name_table \ | |
c58b9523 | 262 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ |
252b5132 RH |
263 | bfd_false) |
264 | #define _bfd_noarchive_truncate_arname \ | |
c58b9523 | 265 | ((void (*) (bfd *, const char *, char *)) bfd_void) |
252b5132 | 266 | #define _bfd_noarchive_write_armap \ |
c58b9523 | 267 | ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ |
252b5132 RH |
268 | bfd_false) |
269 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
270 | #define _bfd_noarchive_openr_next_archived_file \ | |
c58b9523 | 271 | ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) |
252b5132 | 272 | #define _bfd_noarchive_get_elt_at_index \ |
c58b9523 | 273 | ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) |
252b5132 RH |
274 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt |
275 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
276 | ||
277 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
278 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
279 | ||
280 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
281 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
282 | _bfd_slurp_extended_name_table | |
b34976b6 | 283 | extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table |
c58b9523 | 284 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
285 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname |
286 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
287 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
288 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
289 | bfd_generic_openr_next_archived_file | |
290 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
291 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
292 | bfd_generic_stat_arch_elt | |
b34976b6 | 293 | extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp |
c58b9523 | 294 | (bfd *); |
252b5132 RH |
295 | |
296 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
297 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
298 | ||
299 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
300 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
301 | _bfd_slurp_extended_name_table | |
b34976b6 | 302 | extern bfd_boolean _bfd_archive_coff_construct_extended_name_table |
c58b9523 | 303 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
304 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname |
305 | #define _bfd_archive_coff_write_armap coff_write_armap | |
306 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
307 | #define _bfd_archive_coff_openr_next_archived_file \ | |
308 | bfd_generic_openr_next_archived_file | |
309 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
310 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
311 | bfd_generic_stat_arch_elt | |
312 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
313 | ||
314 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
315 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
316 | ||
317 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
6cee3f79 | 318 | #define _bfd_nosymbols_canonicalize_symtab \ |
c58b9523 | 319 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
3f3c5c34 | 320 | #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol |
252b5132 | 321 | #define _bfd_nosymbols_print_symbol \ |
c58b9523 | 322 | ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) |
252b5132 | 323 | #define _bfd_nosymbols_get_symbol_info \ |
c58b9523 | 324 | ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) |
252b5132 | 325 | #define _bfd_nosymbols_bfd_is_local_label_name \ |
c58b9523 | 326 | ((bfd_boolean (*) (bfd *, const char *)) bfd_false) |
3c9458e9 NC |
327 | #define _bfd_nosymbols_bfd_is_target_special_symbol \ |
328 | ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
252b5132 | 329 | #define _bfd_nosymbols_get_lineno \ |
c58b9523 | 330 | ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) |
252b5132 | 331 | #define _bfd_nosymbols_find_nearest_line \ |
c58b9523 AM |
332 | ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ |
333 | const char **, unsigned int *)) \ | |
252b5132 | 334 | bfd_false) |
4ab527b0 FF |
335 | #define _bfd_nosymbols_find_inliner_info \ |
336 | ((bfd_boolean (*) (bfd *, const char **, const char **, unsigned int *)) \ | |
337 | bfd_false) | |
252b5132 | 338 | #define _bfd_nosymbols_bfd_make_debug_symbol \ |
c58b9523 | 339 | ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) |
252b5132 | 340 | #define _bfd_nosymbols_read_minisymbols \ |
c58b9523 | 341 | ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) |
252b5132 | 342 | #define _bfd_nosymbols_minisymbol_to_symbol \ |
c58b9523 | 343 | ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ |
252b5132 RH |
344 | bfd_nullvoidptr) |
345 | ||
346 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
347 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
348 | ||
349 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
c58b9523 | 350 | ((long (*) (bfd *, asection *)) _bfd_n1) |
252b5132 | 351 | #define _bfd_norelocs_canonicalize_reloc \ |
c58b9523 | 352 | ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) |
252b5132 | 353 | #define _bfd_norelocs_bfd_reloc_type_lookup \ |
c58b9523 | 354 | ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) |
252b5132 RH |
355 | |
356 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
357 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
358 | ||
359 | #define _bfd_nowrite_set_arch_mach \ | |
c58b9523 | 360 | ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ |
252b5132 RH |
361 | bfd_false) |
362 | #define _bfd_nowrite_set_section_contents \ | |
0f867abe | 363 | ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ |
252b5132 RH |
364 | bfd_false) |
365 | ||
366 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
367 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
368 | ||
369 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
b34976b6 | 370 | extern bfd_boolean _bfd_generic_set_section_contents |
0f867abe | 371 | (bfd *, asection *, const void *, file_ptr, bfd_size_type); |
252b5132 RH |
372 | |
373 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
374 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
375 | ||
c58b9523 | 376 | #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) |
252b5132 | 377 | #define _bfd_nolink_bfd_get_relocated_section_contents \ |
c58b9523 AM |
378 | ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ |
379 | bfd_byte *, bfd_boolean, asymbol **)) \ | |
252b5132 RH |
380 | bfd_nullvoidptr) |
381 | #define _bfd_nolink_bfd_relax_section \ | |
b34976b6 | 382 | ((bfd_boolean (*) \ |
c58b9523 | 383 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ |
252b5132 RH |
384 | bfd_false) |
385 | #define _bfd_nolink_bfd_gc_sections \ | |
c58b9523 | 386 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
252b5132 | 387 | bfd_false) |
8550eb6e | 388 | #define _bfd_nolink_bfd_merge_sections \ |
c58b9523 | 389 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
8550eb6e | 390 | bfd_false) |
72adc230 AM |
391 | #define _bfd_nolink_bfd_is_group_section \ |
392 | ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ | |
393 | bfd_false) | |
e61463e1 | 394 | #define _bfd_nolink_bfd_discard_group \ |
198beae2 | 395 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ |
e61463e1 | 396 | bfd_false) |
252b5132 | 397 | #define _bfd_nolink_bfd_link_hash_table_create \ |
c58b9523 | 398 | ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) |
e2d34d7d | 399 | #define _bfd_nolink_bfd_link_hash_table_free \ |
c58b9523 | 400 | ((void (*) (struct bfd_link_hash_table *)) bfd_void) |
252b5132 | 401 | #define _bfd_nolink_bfd_link_add_symbols \ |
c58b9523 | 402 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
2d653fc7 | 403 | #define _bfd_nolink_bfd_link_just_syms \ |
c58b9523 | 404 | ((void (*) (asection *, struct bfd_link_info *)) bfd_void) |
252b5132 | 405 | #define _bfd_nolink_bfd_final_link \ |
c58b9523 | 406 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
252b5132 | 407 | #define _bfd_nolink_bfd_link_split_section \ |
198beae2 | 408 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) |
082b7297 L |
409 | #define _bfd_nolink_section_already_linked \ |
410 | ((void (*) (bfd *, struct bfd_section *)) bfd_void) | |
252b5132 RH |
411 | |
412 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
413 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
414 | (_bfd_nodynamic). */ | |
415 | ||
416 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
417 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
c58b9523 | 418 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
4c45e5c9 | 419 | #define _bfd_nodynamic_get_synthetic_symtab \ |
c9727e01 | 420 | ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) |
252b5132 RH |
421 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 |
422 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
c58b9523 | 423 | ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) |
252b5132 RH |
424 | \f |
425 | /* Generic routine to determine of the given symbol is a local | |
426 | label. */ | |
b34976b6 | 427 | extern bfd_boolean bfd_generic_is_local_label_name |
c58b9523 | 428 | (bfd *, const char *); |
252b5132 RH |
429 | |
430 | /* Generic minisymbol routines. */ | |
431 | extern long _bfd_generic_read_minisymbols | |
c58b9523 | 432 | (bfd *, bfd_boolean, void **, unsigned int *); |
252b5132 | 433 | extern asymbol *_bfd_generic_minisymbol_to_symbol |
c58b9523 | 434 | (bfd *, bfd_boolean, const void *, asymbol *); |
252b5132 RH |
435 | |
436 | /* Find the nearest line using .stab/.stabstr sections. */ | |
b34976b6 | 437 | extern bfd_boolean _bfd_stab_section_find_nearest_line |
c58b9523 AM |
438 | (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, |
439 | const char **, const char **, unsigned int *, void **); | |
252b5132 | 440 | |
2db3311b | 441 | /* Find the nearest line using DWARF 1 debugging information. */ |
b34976b6 | 442 | extern bfd_boolean _bfd_dwarf1_find_nearest_line |
c58b9523 AM |
443 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
444 | const char **, unsigned int *); | |
252b5132 RH |
445 | |
446 | /* Find the nearest line using DWARF 2 debugging information. */ | |
b34976b6 | 447 | extern bfd_boolean _bfd_dwarf2_find_nearest_line |
c58b9523 AM |
448 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
449 | unsigned int *, unsigned int, void **); | |
252b5132 | 450 | |
5420f73d L |
451 | /* Find the line using DWARF 2 debugging information. */ |
452 | extern bfd_boolean _bfd_dwarf2_find_line | |
453 | (bfd *, asymbol **, asymbol *, const char **, | |
454 | unsigned int *, unsigned int, void **); | |
455 | ||
456 | bfd_boolean _bfd_generic_find_line | |
457 | (bfd *, asymbol **, asymbol *, const char **, unsigned int *); | |
458 | ||
4ab527b0 FF |
459 | /* Find inliner info after calling bfd_find_nearest_line. */ |
460 | extern bfd_boolean _bfd_dwarf2_find_inliner_info | |
461 | (bfd *, const char **, const char **, unsigned int *, void **); | |
462 | ||
73e87d70 AM |
463 | /* Create a new section entry. */ |
464 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
c58b9523 | 465 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
73e87d70 | 466 | |
252b5132 RH |
467 | /* A routine to create entries for a bfd_link_hash_table. */ |
468 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
c58b9523 AM |
469 | (struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
470 | const char *string); | |
252b5132 RH |
471 | |
472 | /* Initialize a bfd_link_hash_table. */ | |
b34976b6 | 473 | extern bfd_boolean _bfd_link_hash_table_init |
c58b9523 AM |
474 | (struct bfd_link_hash_table *, bfd *, |
475 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
476 | struct bfd_hash_table *, | |
66eb6687 AM |
477 | const char *), |
478 | unsigned int); | |
252b5132 RH |
479 | |
480 | /* Generic link hash table creation routine. */ | |
481 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
c58b9523 | 482 | (bfd *); |
252b5132 | 483 | |
e2d34d7d DJ |
484 | /* Generic link hash table destruction routine. */ |
485 | extern void _bfd_generic_link_hash_table_free | |
c58b9523 | 486 | (struct bfd_link_hash_table *); |
e2d34d7d | 487 | |
252b5132 | 488 | /* Generic add symbol routine. */ |
b34976b6 | 489 | extern bfd_boolean _bfd_generic_link_add_symbols |
c58b9523 | 490 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
491 | |
492 | /* Generic add symbol routine. This version is used by targets for | |
493 | which the linker must collect constructors and destructors by name, | |
494 | as the collect2 program does. */ | |
b34976b6 | 495 | extern bfd_boolean _bfd_generic_link_add_symbols_collect |
c58b9523 | 496 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
497 | |
498 | /* Generic archive add symbol routine. */ | |
b34976b6 | 499 | extern bfd_boolean _bfd_generic_link_add_archive_symbols |
c58b9523 AM |
500 | (bfd *, struct bfd_link_info *, |
501 | bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 | 502 | |
252b5132 RH |
503 | /* Forward declaration to avoid prototype errors. */ |
504 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
505 | ||
506 | /* Generic routine to add a single symbol. */ | |
b34976b6 | 507 | extern bfd_boolean _bfd_generic_link_add_one_symbol |
c58b9523 AM |
508 | (struct bfd_link_info *, bfd *, const char *name, flagword, |
509 | asection *, bfd_vma, const char *, bfd_boolean copy, | |
510 | bfd_boolean constructor, struct bfd_link_hash_entry **); | |
252b5132 | 511 | |
2d653fc7 AM |
512 | /* Generic routine to mark section as supplying symbols only. */ |
513 | extern void _bfd_generic_link_just_syms | |
c58b9523 | 514 | (asection *, struct bfd_link_info *); |
2d653fc7 | 515 | |
252b5132 | 516 | /* Generic link routine. */ |
b34976b6 | 517 | extern bfd_boolean _bfd_generic_final_link |
c58b9523 | 518 | (bfd *, struct bfd_link_info *); |
252b5132 | 519 | |
b34976b6 | 520 | extern bfd_boolean _bfd_generic_link_split_section |
198beae2 | 521 | (bfd *, struct bfd_section *); |
252b5132 | 522 | |
082b7297 L |
523 | extern void _bfd_generic_section_already_linked |
524 | (bfd *, struct bfd_section *); | |
525 | ||
252b5132 | 526 | /* Generic reloc_link_order processing routine. */ |
b34976b6 | 527 | extern bfd_boolean _bfd_generic_reloc_link_order |
c58b9523 | 528 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
529 | |
530 | /* Default link order processing routine. */ | |
b34976b6 | 531 | extern bfd_boolean _bfd_default_link_order |
c58b9523 | 532 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
533 | |
534 | /* Count the number of reloc entries in a link order list. */ | |
535 | extern unsigned int _bfd_count_link_order_relocs | |
c58b9523 | 536 | (struct bfd_link_order *); |
252b5132 RH |
537 | |
538 | /* Final link relocation routine. */ | |
539 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
c58b9523 AM |
540 | (reloc_howto_type *, bfd *, asection *, bfd_byte *, |
541 | bfd_vma, bfd_vma, bfd_vma); | |
252b5132 RH |
542 | |
543 | /* Relocate a particular location by a howto and a value. */ | |
544 | extern bfd_reloc_status_type _bfd_relocate_contents | |
c58b9523 | 545 | (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); |
252b5132 RH |
546 | |
547 | /* Link stabs in sections in the first pass. */ | |
548 | ||
b34976b6 | 549 | extern bfd_boolean _bfd_link_section_stabs |
3722b82f AM |
550 | (bfd *, struct stab_info *, asection *, asection *, void **, |
551 | bfd_size_type *); | |
252b5132 | 552 | |
73d074b4 | 553 | /* Eliminate stabs for discarded functions and symbols. */ |
b34976b6 | 554 | extern bfd_boolean _bfd_discard_section_stabs |
c58b9523 | 555 | (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); |
73d074b4 | 556 | |
252b5132 RH |
557 | /* Write out the .stab section when linking stabs in sections. */ |
558 | ||
b34976b6 | 559 | extern bfd_boolean _bfd_write_section_stabs |
3722b82f | 560 | (bfd *, struct stab_info *, asection *, void **, bfd_byte *); |
252b5132 RH |
561 | |
562 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
563 | ||
b34976b6 | 564 | extern bfd_boolean _bfd_write_stab_strings |
3722b82f | 565 | (bfd *, struct stab_info *); |
252b5132 RH |
566 | |
567 | /* Find an offset within a .stab section when linking stabs in | |
568 | sections. */ | |
569 | ||
570 | extern bfd_vma _bfd_stab_section_offset | |
eea6121a | 571 | (asection *, void *, bfd_vma); |
252b5132 | 572 | |
57ceae94 | 573 | /* Register a SEC_MERGE section as a candidate for merging. */ |
f5fa8ca2 | 574 | |
57ceae94 | 575 | extern bfd_boolean _bfd_add_merge_section |
c58b9523 | 576 | (bfd *, void **, asection *, void **); |
f5fa8ca2 | 577 | |
8550eb6e JJ |
578 | /* Attempt to merge SEC_MERGE sections. */ |
579 | ||
b34976b6 | 580 | extern bfd_boolean _bfd_merge_sections |
57ceae94 | 581 | (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); |
8550eb6e | 582 | |
f5fa8ca2 JJ |
583 | /* Write out a merged section. */ |
584 | ||
b34976b6 | 585 | extern bfd_boolean _bfd_write_merged_section |
c58b9523 | 586 | (bfd *, asection *, void *); |
f5fa8ca2 JJ |
587 | |
588 | /* Find an offset within a modified SEC_MERGE section. */ | |
589 | ||
590 | extern bfd_vma _bfd_merged_section_offset | |
753731ee | 591 | (bfd *, asection **, void *, bfd_vma); |
f5fa8ca2 | 592 | |
252b5132 | 593 | /* Create a string table. */ |
b34976b6 | 594 | extern struct bfd_strtab_hash *_bfd_stringtab_init |
c58b9523 | 595 | (void); |
252b5132 RH |
596 | |
597 | /* Create an XCOFF .debug section style string table. */ | |
b34976b6 | 598 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init |
c58b9523 | 599 | (void); |
252b5132 RH |
600 | |
601 | /* Free a string table. */ | |
b34976b6 | 602 | extern void _bfd_stringtab_free |
c58b9523 | 603 | (struct bfd_strtab_hash *); |
252b5132 RH |
604 | |
605 | /* Get the size of a string table. */ | |
b34976b6 | 606 | extern bfd_size_type _bfd_stringtab_size |
c58b9523 | 607 | (struct bfd_strtab_hash *); |
252b5132 RH |
608 | |
609 | /* Add a string to a string table. */ | |
610 | extern bfd_size_type _bfd_stringtab_add | |
c58b9523 | 611 | (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); |
252b5132 RH |
612 | |
613 | /* Write out a string table. */ | |
b34976b6 | 614 | extern bfd_boolean _bfd_stringtab_emit |
c58b9523 | 615 | (bfd *, struct bfd_strtab_hash *); |
875f7f69 JR |
616 | |
617 | /* Check that endianness of input and output file match. */ | |
b34976b6 | 618 | extern bfd_boolean _bfd_generic_verify_endian_match |
c58b9523 | 619 | (bfd *, bfd *); |
252b5132 RH |
620 | \f |
621 | /* Macros to tell if bfds are read or write enabled. | |
622 | ||
623 | Note that bfds open for read may be scribbled into if the fd passed | |
624 | to bfd_fdopenr is actually open both for read and write | |
625 | simultaneously. However an output bfd will never be open for | |
626 | read. Therefore sometimes you want to check bfd_read_p or | |
627 | !bfd_read_p, and only sometimes bfd_write_p. | |
628 | */ | |
629 | ||
c58b9523 AM |
630 | #define bfd_read_p(abfd) \ |
631 | ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
632 | #define bfd_write_p(abfd) \ | |
633 | ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
252b5132 | 634 | |
b34976b6 | 635 | void bfd_assert |
c58b9523 | 636 | (const char*,int); |
252b5132 RH |
637 | |
638 | #define BFD_ASSERT(x) \ | |
f12123c0 | 639 | do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 RH |
640 | |
641 | #define BFD_FAIL() \ | |
f12123c0 | 642 | do { bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 | 643 | |
b34976b6 | 644 | extern void _bfd_abort |
c58b9523 | 645 | (const char *, int, const char *) ATTRIBUTE_NORETURN; |
c0bed66d | 646 | |
a1934524 AM |
647 | /* if gcc >= 2.6, we can give a function name, too */ |
648 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
649 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
650 | #endif | |
651 | ||
652 | #undef abort | |
653 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
654 | ||
7c192733 AC |
655 | /* Manipulate a system FILE but using BFD's "file_ptr", rather than |
656 | the system "off_t" or "off64_t", as the offset. */ | |
657 | extern file_ptr real_ftell (FILE *file); | |
658 | extern int real_fseek (FILE *file, file_ptr offset, int whence); | |
2e6f4fae | 659 | extern FILE *real_fopen (const char *filename, const char *modes); |
7c192733 | 660 | |
252b5132 RH |
661 | /* List of supported target vectors, and the default vector (if |
662 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 663 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
664 | extern const bfd_target *bfd_default_vector[]; |
665 | ||
08f74004 AM |
666 | /* List of associated target vectors. */ |
667 | extern const bfd_target * const *bfd_associated_vector; | |
668 | ||
252b5132 RH |
669 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no |
670 | other common header files. */ | |
671 | ||
672 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
673 | struct ecoff_find_line; | |
674 | #endif | |
675 | ||
b34976b6 | 676 | extern bfd_boolean _bfd_ecoff_locate_line |
c58b9523 AM |
677 | (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, |
678 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
679 | const char **, const char **, unsigned int *); | |
b34976b6 | 680 | extern bfd_boolean _bfd_ecoff_get_accumulated_pdr |
c58b9523 | 681 | (void *, bfd_byte *); |
b34976b6 | 682 | extern bfd_boolean _bfd_ecoff_get_accumulated_sym |
c58b9523 | 683 | (void *, bfd_byte *); |
b34976b6 | 684 | extern bfd_boolean _bfd_ecoff_get_accumulated_ss |
c58b9523 | 685 | (void *, bfd_byte *); |
b34976b6 AM |
686 | |
687 | extern bfd_vma _bfd_get_gp_value | |
c58b9523 | 688 | (bfd *); |
b34976b6 | 689 | extern void _bfd_set_gp_value |
c58b9523 | 690 | (bfd *, bfd_vma); |
252b5132 RH |
691 | |
692 | /* Function shared by the COFF and ELF SH backends, which have no | |
693 | other common header files. */ | |
694 | ||
c58b9523 | 695 | #ifndef _bfd_sh_align_load_span |
b34976b6 | 696 | extern bfd_boolean _bfd_sh_align_load_span |
c58b9523 AM |
697 | (bfd *, asection *, bfd_byte *, |
698 | bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), | |
699 | void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); | |
700 | #endif | |
082b7297 L |
701 | |
702 | /* This is the shape of the elements inside the already_linked hash | |
703 | table. It maps a name onto a list of already_linked elements with | |
704 | the same name. */ | |
705 | ||
706 | struct bfd_section_already_linked_hash_entry | |
707 | { | |
708 | struct bfd_hash_entry root; | |
709 | struct bfd_section_already_linked *entry; | |
710 | }; | |
711 | ||
712 | struct bfd_section_already_linked | |
713 | { | |
714 | struct bfd_section_already_linked *next; | |
715 | asection *sec; | |
716 | }; | |
717 | ||
718 | extern struct bfd_section_already_linked_hash_entry * | |
719 | bfd_section_already_linked_table_lookup (const char *); | |
720 | extern void bfd_section_already_linked_table_insert | |
721 | (struct bfd_section_already_linked_hash_entry *, asection *); | |
3d7f7666 L |
722 | extern void bfd_section_already_linked_table_traverse |
723 | (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, | |
724 | void *), void *); | |
725 | ||
f075ee0c AM |
726 | extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); |
727 | extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); | |
c0c28ab8 | 728 |