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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, | |
f075ee0c AM |
5 | 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
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 | |
24 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
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 | ||
56 | /* tdata for an archive. For an input archive, cache | |
57 | needs to be free()'d. For an output archive, symdefs do. */ | |
58 | ||
59 | struct artdata { | |
60 | file_ptr first_file_filepos; | |
61 | /* Speed up searching the armap */ | |
109f7096 | 62 | htab_t cache; |
52b219b5 | 63 | bfd *archive_head; /* Only interesting in output routines */ |
252b5132 | 64 | carsym *symdefs; /* the symdef entries */ |
52b219b5 | 65 | symindex symdef_count; /* how many there are */ |
252b5132 RH |
66 | char *extended_names; /* clever intel extension */ |
67 | /* when more compilers are standard C, this can be a time_t */ | |
68 | long armap_timestamp; /* Timestamp value written into armap. | |
69 | This is used for BSD archives to check | |
70 | that the timestamp is recent enough | |
71 | for the BSD linker to not complain, | |
72 | just before we finish writing an | |
73 | archive. */ | |
74 | file_ptr armap_datepos; /* Position within archive to seek to | |
75 | rewrite the date field. */ | |
c58b9523 | 76 | void *tdata; /* Backend specific information. */ |
252b5132 RH |
77 | }; |
78 | ||
79 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
80 | ||
81 | /* Goes in bfd's arelt_data slot */ | |
82 | struct areltdata { | |
52b219b5 AM |
83 | char * arch_header; /* it's actually a string */ |
84 | unsigned int parsed_size; /* octets of filesize not including ar_hdr */ | |
85 | char *filename; /* null-terminated */ | |
252b5132 RH |
86 | }; |
87 | ||
88 | #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) | |
89 | ||
c58b9523 AM |
90 | extern void *bfd_malloc |
91 | (bfd_size_type); | |
92 | extern void *bfd_realloc | |
93 | (void *, bfd_size_type); | |
94 | extern void *bfd_zmalloc | |
95 | (bfd_size_type); | |
252b5132 | 96 | |
185d09ad | 97 | extern void _bfd_default_error_handler (const char *s, ...); |
252b5132 RH |
98 | extern bfd_error_handler_type _bfd_error_handler; |
99 | ||
100 | /* These routines allocate and free things on the BFD's objalloc. */ | |
101 | ||
c58b9523 AM |
102 | extern void *bfd_alloc |
103 | (bfd *, bfd_size_type); | |
104 | extern void *bfd_zalloc | |
105 | (bfd *, bfd_size_type); | |
b34976b6 | 106 | extern void bfd_release |
c58b9523 | 107 | (bfd *, void *); |
b34976b6 AM |
108 | |
109 | bfd * _bfd_create_empty_archive_element_shell | |
c58b9523 | 110 | (bfd *obfd); |
b34976b6 | 111 | bfd * _bfd_look_for_bfd_in_cache |
c58b9523 | 112 | (bfd *, file_ptr); |
b34976b6 | 113 | bfd_boolean _bfd_add_bfd_to_archive_cache |
c58b9523 | 114 | (bfd *, file_ptr, bfd *); |
b34976b6 | 115 | bfd_boolean _bfd_generic_mkarchive |
c58b9523 | 116 | (bfd *abfd); |
b34976b6 | 117 | const bfd_target *bfd_generic_archive_p |
c58b9523 | 118 | (bfd *abfd); |
b34976b6 | 119 | bfd_boolean bfd_slurp_armap |
c58b9523 | 120 | (bfd *abfd); |
b34976b6 | 121 | bfd_boolean bfd_slurp_bsd_armap_f2 |
c58b9523 | 122 | (bfd *abfd); |
252b5132 RH |
123 | #define bfd_slurp_bsd_armap bfd_slurp_armap |
124 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
b34976b6 | 125 | bfd_boolean _bfd_slurp_extended_name_table |
c58b9523 | 126 | (bfd *abfd); |
b34976b6 | 127 | extern bfd_boolean _bfd_construct_extended_name_table |
c58b9523 | 128 | (bfd *, bfd_boolean, char **, bfd_size_type *); |
b34976b6 | 129 | bfd_boolean _bfd_write_archive_contents |
c58b9523 | 130 | (bfd *abfd); |
b34976b6 | 131 | bfd_boolean _bfd_compute_and_write_armap |
c58b9523 | 132 | (bfd *, unsigned int elength); |
b34976b6 | 133 | bfd *_bfd_get_elt_at_filepos |
c58b9523 | 134 | (bfd *archive, file_ptr filepos); |
b34976b6 | 135 | extern bfd *_bfd_generic_get_elt_at_index |
c58b9523 | 136 | (bfd *, symindex); |
b34976b6 | 137 | bfd * _bfd_new_bfd |
c58b9523 | 138 | (void); |
b34976b6 | 139 | void _bfd_delete_bfd |
c58b9523 | 140 | (bfd *); |
b34976b6 AM |
141 | |
142 | bfd_boolean bfd_false | |
c58b9523 | 143 | (bfd *ignore); |
b34976b6 | 144 | bfd_boolean bfd_true |
c58b9523 AM |
145 | (bfd *ignore); |
146 | void *bfd_nullvoidptr | |
147 | (bfd *ignore); | |
b34976b6 | 148 | int bfd_0 |
c58b9523 | 149 | (bfd *ignore); |
b34976b6 | 150 | unsigned int bfd_0u |
c58b9523 | 151 | (bfd *ignore); |
b34976b6 | 152 | long bfd_0l |
c58b9523 | 153 | (bfd *ignore); |
b34976b6 | 154 | long _bfd_n1 |
c58b9523 | 155 | (bfd *ignore); |
b34976b6 | 156 | void bfd_void |
c58b9523 | 157 | (bfd *ignore); |
b34976b6 AM |
158 | |
159 | bfd *_bfd_new_bfd_contained_in | |
c58b9523 | 160 | (bfd *); |
b34976b6 | 161 | const bfd_target *_bfd_dummy_target |
c58b9523 | 162 | (bfd *abfd); |
b34976b6 AM |
163 | |
164 | void bfd_dont_truncate_arname | |
c58b9523 | 165 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 166 | void bfd_bsd_truncate_arname |
c58b9523 | 167 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 168 | void bfd_gnu_truncate_arname |
c58b9523 | 169 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 AM |
170 | |
171 | bfd_boolean bsd_write_armap | |
c58b9523 AM |
172 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
173 | int stridx); | |
b34976b6 AM |
174 | |
175 | bfd_boolean coff_write_armap | |
c58b9523 AM |
176 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
177 | int stridx); | |
b34976b6 | 178 | |
c58b9523 AM |
179 | extern void *_bfd_generic_read_ar_hdr |
180 | (bfd *); | |
b34976b6 | 181 | |
c58b9523 AM |
182 | extern void *_bfd_generic_read_ar_hdr_mag |
183 | (bfd *, const char *); | |
b34976b6 AM |
184 | |
185 | bfd * bfd_generic_openr_next_archived_file | |
c58b9523 | 186 | (bfd *archive, bfd *last_file); |
b34976b6 AM |
187 | |
188 | int bfd_generic_stat_arch_elt | |
c58b9523 | 189 | (bfd *, struct stat *); |
252b5132 RH |
190 | |
191 | #define _bfd_read_ar_hdr(abfd) \ | |
192 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
193 | \f | |
194 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
195 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
196 | ||
197 | #define _bfd_generic_close_and_cleanup bfd_true | |
198 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
199 | #define _bfd_generic_new_section_hook \ | |
c58b9523 | 200 | ((bfd_boolean (*) (bfd *, asection *)) bfd_true) |
b34976b6 | 201 | extern bfd_boolean _bfd_generic_get_section_contents |
c58b9523 | 202 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
b34976b6 | 203 | extern bfd_boolean _bfd_generic_get_section_contents_in_window |
c58b9523 | 204 | (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); |
252b5132 RH |
205 | |
206 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
207 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
208 | ||
209 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
c58b9523 | 210 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 211 | #define _bfd_generic_bfd_merge_private_bfd_data \ |
c58b9523 | 212 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 213 | #define _bfd_generic_bfd_set_private_flags \ |
c58b9523 | 214 | ((bfd_boolean (*) (bfd *, flagword)) bfd_true) |
252b5132 | 215 | #define _bfd_generic_bfd_copy_private_section_data \ |
c58b9523 | 216 | ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) |
252b5132 | 217 | #define _bfd_generic_bfd_copy_private_symbol_data \ |
c58b9523 | 218 | ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) |
80fccad2 BW |
219 | #define _bfd_generic_bfd_copy_private_header_data \ |
220 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) | |
252b5132 | 221 | #define _bfd_generic_bfd_print_private_bfd_data \ |
c58b9523 | 222 | ((bfd_boolean (*) (bfd *, void *)) bfd_true) |
252b5132 RH |
223 | |
224 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file | |
225 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
226 | ||
b34976b6 | 227 | extern char *_bfd_nocore_core_file_failing_command |
c58b9523 | 228 | (bfd *); |
b34976b6 | 229 | extern int _bfd_nocore_core_file_failing_signal |
c58b9523 | 230 | (bfd *); |
b34976b6 | 231 | extern bfd_boolean _bfd_nocore_core_file_matches_executable_p |
c58b9523 | 232 | (bfd *, bfd *); |
252b5132 RH |
233 | |
234 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
235 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
236 | ||
237 | #define _bfd_noarchive_slurp_armap bfd_false | |
238 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
239 | #define _bfd_noarchive_construct_extended_name_table \ | |
c58b9523 | 240 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ |
252b5132 RH |
241 | bfd_false) |
242 | #define _bfd_noarchive_truncate_arname \ | |
c58b9523 | 243 | ((void (*) (bfd *, const char *, char *)) bfd_void) |
252b5132 | 244 | #define _bfd_noarchive_write_armap \ |
c58b9523 | 245 | ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ |
252b5132 RH |
246 | bfd_false) |
247 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
248 | #define _bfd_noarchive_openr_next_archived_file \ | |
c58b9523 | 249 | ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) |
252b5132 | 250 | #define _bfd_noarchive_get_elt_at_index \ |
c58b9523 | 251 | ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) |
252b5132 RH |
252 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt |
253 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
254 | ||
255 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
256 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
257 | ||
258 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
259 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
260 | _bfd_slurp_extended_name_table | |
b34976b6 | 261 | extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table |
c58b9523 | 262 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
263 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname |
264 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
265 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
266 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
267 | bfd_generic_openr_next_archived_file | |
268 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
269 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
270 | bfd_generic_stat_arch_elt | |
b34976b6 | 271 | extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp |
c58b9523 | 272 | (bfd *); |
252b5132 RH |
273 | |
274 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
275 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
276 | ||
277 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
278 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
279 | _bfd_slurp_extended_name_table | |
b34976b6 | 280 | extern bfd_boolean _bfd_archive_coff_construct_extended_name_table |
c58b9523 | 281 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
282 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname |
283 | #define _bfd_archive_coff_write_armap coff_write_armap | |
284 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
285 | #define _bfd_archive_coff_openr_next_archived_file \ | |
286 | bfd_generic_openr_next_archived_file | |
287 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
288 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
289 | bfd_generic_stat_arch_elt | |
290 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
291 | ||
292 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
293 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
294 | ||
295 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
6cee3f79 | 296 | #define _bfd_nosymbols_canonicalize_symtab \ |
c58b9523 | 297 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
3f3c5c34 | 298 | #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol |
252b5132 | 299 | #define _bfd_nosymbols_print_symbol \ |
c58b9523 | 300 | ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) |
252b5132 | 301 | #define _bfd_nosymbols_get_symbol_info \ |
c58b9523 | 302 | ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) |
252b5132 | 303 | #define _bfd_nosymbols_bfd_is_local_label_name \ |
c58b9523 | 304 | ((bfd_boolean (*) (bfd *, const char *)) bfd_false) |
3c9458e9 NC |
305 | #define _bfd_nosymbols_bfd_is_target_special_symbol \ |
306 | ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
252b5132 | 307 | #define _bfd_nosymbols_get_lineno \ |
c58b9523 | 308 | ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) |
252b5132 | 309 | #define _bfd_nosymbols_find_nearest_line \ |
c58b9523 AM |
310 | ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ |
311 | const char **, unsigned int *)) \ | |
252b5132 RH |
312 | bfd_false) |
313 | #define _bfd_nosymbols_bfd_make_debug_symbol \ | |
c58b9523 | 314 | ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) |
252b5132 | 315 | #define _bfd_nosymbols_read_minisymbols \ |
c58b9523 | 316 | ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) |
252b5132 | 317 | #define _bfd_nosymbols_minisymbol_to_symbol \ |
c58b9523 | 318 | ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ |
252b5132 RH |
319 | bfd_nullvoidptr) |
320 | ||
321 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
322 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
323 | ||
324 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
c58b9523 | 325 | ((long (*) (bfd *, asection *)) _bfd_n1) |
252b5132 | 326 | #define _bfd_norelocs_canonicalize_reloc \ |
c58b9523 | 327 | ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) |
252b5132 | 328 | #define _bfd_norelocs_bfd_reloc_type_lookup \ |
c58b9523 | 329 | ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) |
252b5132 RH |
330 | |
331 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
332 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
333 | ||
334 | #define _bfd_nowrite_set_arch_mach \ | |
c58b9523 | 335 | ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ |
252b5132 RH |
336 | bfd_false) |
337 | #define _bfd_nowrite_set_section_contents \ | |
0f867abe | 338 | ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ |
252b5132 RH |
339 | bfd_false) |
340 | ||
341 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
342 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
343 | ||
344 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
b34976b6 | 345 | extern bfd_boolean _bfd_generic_set_section_contents |
0f867abe | 346 | (bfd *, asection *, const void *, file_ptr, bfd_size_type); |
252b5132 RH |
347 | |
348 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
349 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
350 | ||
c58b9523 | 351 | #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) |
252b5132 | 352 | #define _bfd_nolink_bfd_get_relocated_section_contents \ |
c58b9523 AM |
353 | ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ |
354 | bfd_byte *, bfd_boolean, asymbol **)) \ | |
252b5132 RH |
355 | bfd_nullvoidptr) |
356 | #define _bfd_nolink_bfd_relax_section \ | |
b34976b6 | 357 | ((bfd_boolean (*) \ |
c58b9523 | 358 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ |
252b5132 RH |
359 | bfd_false) |
360 | #define _bfd_nolink_bfd_gc_sections \ | |
c58b9523 | 361 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
252b5132 | 362 | bfd_false) |
8550eb6e | 363 | #define _bfd_nolink_bfd_merge_sections \ |
c58b9523 | 364 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
8550eb6e | 365 | bfd_false) |
72adc230 AM |
366 | #define _bfd_nolink_bfd_is_group_section \ |
367 | ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ | |
368 | bfd_false) | |
e61463e1 | 369 | #define _bfd_nolink_bfd_discard_group \ |
198beae2 | 370 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ |
e61463e1 | 371 | bfd_false) |
252b5132 | 372 | #define _bfd_nolink_bfd_link_hash_table_create \ |
c58b9523 | 373 | ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) |
e2d34d7d | 374 | #define _bfd_nolink_bfd_link_hash_table_free \ |
c58b9523 | 375 | ((void (*) (struct bfd_link_hash_table *)) bfd_void) |
252b5132 | 376 | #define _bfd_nolink_bfd_link_add_symbols \ |
c58b9523 | 377 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
2d653fc7 | 378 | #define _bfd_nolink_bfd_link_just_syms \ |
c58b9523 | 379 | ((void (*) (asection *, struct bfd_link_info *)) bfd_void) |
252b5132 | 380 | #define _bfd_nolink_bfd_final_link \ |
c58b9523 | 381 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
252b5132 | 382 | #define _bfd_nolink_bfd_link_split_section \ |
198beae2 | 383 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) |
082b7297 L |
384 | #define _bfd_nolink_section_already_linked \ |
385 | ((void (*) (bfd *, struct bfd_section *)) bfd_void) | |
252b5132 RH |
386 | |
387 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
388 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
389 | (_bfd_nodynamic). */ | |
390 | ||
391 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
392 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
c58b9523 | 393 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
4c45e5c9 | 394 | #define _bfd_nodynamic_get_synthetic_symtab \ |
c9727e01 | 395 | ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) |
252b5132 RH |
396 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 |
397 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
c58b9523 | 398 | ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) |
252b5132 RH |
399 | \f |
400 | /* Generic routine to determine of the given symbol is a local | |
401 | label. */ | |
b34976b6 | 402 | extern bfd_boolean bfd_generic_is_local_label_name |
c58b9523 | 403 | (bfd *, const char *); |
252b5132 RH |
404 | |
405 | /* Generic minisymbol routines. */ | |
406 | extern long _bfd_generic_read_minisymbols | |
c58b9523 | 407 | (bfd *, bfd_boolean, void **, unsigned int *); |
252b5132 | 408 | extern asymbol *_bfd_generic_minisymbol_to_symbol |
c58b9523 | 409 | (bfd *, bfd_boolean, const void *, asymbol *); |
252b5132 RH |
410 | |
411 | /* Find the nearest line using .stab/.stabstr sections. */ | |
b34976b6 | 412 | extern bfd_boolean _bfd_stab_section_find_nearest_line |
c58b9523 AM |
413 | (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, |
414 | const char **, const char **, unsigned int *, void **); | |
252b5132 RH |
415 | |
416 | /* Find the neaderst line using DWARF 1 debugging information. */ | |
b34976b6 | 417 | extern bfd_boolean _bfd_dwarf1_find_nearest_line |
c58b9523 AM |
418 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
419 | const char **, unsigned int *); | |
252b5132 RH |
420 | |
421 | /* Find the nearest line using DWARF 2 debugging information. */ | |
b34976b6 | 422 | extern bfd_boolean _bfd_dwarf2_find_nearest_line |
c58b9523 AM |
423 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
424 | unsigned int *, unsigned int, void **); | |
252b5132 | 425 | |
73e87d70 AM |
426 | /* Create a new section entry. */ |
427 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
c58b9523 | 428 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
73e87d70 | 429 | |
252b5132 RH |
430 | /* A routine to create entries for a bfd_link_hash_table. */ |
431 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
c58b9523 AM |
432 | (struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
433 | const char *string); | |
252b5132 RH |
434 | |
435 | /* Initialize a bfd_link_hash_table. */ | |
b34976b6 | 436 | extern bfd_boolean _bfd_link_hash_table_init |
c58b9523 AM |
437 | (struct bfd_link_hash_table *, bfd *, |
438 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
439 | struct bfd_hash_table *, | |
440 | const char *)); | |
252b5132 RH |
441 | |
442 | /* Generic link hash table creation routine. */ | |
443 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
c58b9523 | 444 | (bfd *); |
252b5132 | 445 | |
e2d34d7d DJ |
446 | /* Generic link hash table destruction routine. */ |
447 | extern void _bfd_generic_link_hash_table_free | |
c58b9523 | 448 | (struct bfd_link_hash_table *); |
e2d34d7d | 449 | |
252b5132 | 450 | /* Generic add symbol routine. */ |
b34976b6 | 451 | extern bfd_boolean _bfd_generic_link_add_symbols |
c58b9523 | 452 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
453 | |
454 | /* Generic add symbol routine. This version is used by targets for | |
455 | which the linker must collect constructors and destructors by name, | |
456 | as the collect2 program does. */ | |
b34976b6 | 457 | extern bfd_boolean _bfd_generic_link_add_symbols_collect |
c58b9523 | 458 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
459 | |
460 | /* Generic archive add symbol routine. */ | |
b34976b6 | 461 | extern bfd_boolean _bfd_generic_link_add_archive_symbols |
c58b9523 AM |
462 | (bfd *, struct bfd_link_info *, |
463 | bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 | 464 | |
252b5132 RH |
465 | /* Forward declaration to avoid prototype errors. */ |
466 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
467 | ||
468 | /* Generic routine to add a single symbol. */ | |
b34976b6 | 469 | extern bfd_boolean _bfd_generic_link_add_one_symbol |
c58b9523 AM |
470 | (struct bfd_link_info *, bfd *, const char *name, flagword, |
471 | asection *, bfd_vma, const char *, bfd_boolean copy, | |
472 | bfd_boolean constructor, struct bfd_link_hash_entry **); | |
252b5132 | 473 | |
2d653fc7 AM |
474 | /* Generic routine to mark section as supplying symbols only. */ |
475 | extern void _bfd_generic_link_just_syms | |
c58b9523 | 476 | (asection *, struct bfd_link_info *); |
2d653fc7 | 477 | |
252b5132 | 478 | /* Generic link routine. */ |
b34976b6 | 479 | extern bfd_boolean _bfd_generic_final_link |
c58b9523 | 480 | (bfd *, struct bfd_link_info *); |
252b5132 | 481 | |
b34976b6 | 482 | extern bfd_boolean _bfd_generic_link_split_section |
198beae2 | 483 | (bfd *, struct bfd_section *); |
252b5132 | 484 | |
082b7297 L |
485 | extern void _bfd_generic_section_already_linked |
486 | (bfd *, struct bfd_section *); | |
487 | ||
252b5132 | 488 | /* Generic reloc_link_order processing routine. */ |
b34976b6 | 489 | extern bfd_boolean _bfd_generic_reloc_link_order |
c58b9523 | 490 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
491 | |
492 | /* Default link order processing routine. */ | |
b34976b6 | 493 | extern bfd_boolean _bfd_default_link_order |
c58b9523 | 494 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
495 | |
496 | /* Count the number of reloc entries in a link order list. */ | |
497 | extern unsigned int _bfd_count_link_order_relocs | |
c58b9523 | 498 | (struct bfd_link_order *); |
252b5132 RH |
499 | |
500 | /* Final link relocation routine. */ | |
501 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
c58b9523 AM |
502 | (reloc_howto_type *, bfd *, asection *, bfd_byte *, |
503 | bfd_vma, bfd_vma, bfd_vma); | |
252b5132 RH |
504 | |
505 | /* Relocate a particular location by a howto and a value. */ | |
506 | extern bfd_reloc_status_type _bfd_relocate_contents | |
c58b9523 | 507 | (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); |
252b5132 RH |
508 | |
509 | /* Link stabs in sections in the first pass. */ | |
510 | ||
b34976b6 | 511 | extern bfd_boolean _bfd_link_section_stabs |
3722b82f AM |
512 | (bfd *, struct stab_info *, asection *, asection *, void **, |
513 | bfd_size_type *); | |
252b5132 | 514 | |
73d074b4 | 515 | /* Eliminate stabs for discarded functions and symbols. */ |
b34976b6 | 516 | extern bfd_boolean _bfd_discard_section_stabs |
c58b9523 | 517 | (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); |
73d074b4 | 518 | |
252b5132 RH |
519 | /* Write out the .stab section when linking stabs in sections. */ |
520 | ||
b34976b6 | 521 | extern bfd_boolean _bfd_write_section_stabs |
3722b82f | 522 | (bfd *, struct stab_info *, asection *, void **, bfd_byte *); |
252b5132 RH |
523 | |
524 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
525 | ||
b34976b6 | 526 | extern bfd_boolean _bfd_write_stab_strings |
3722b82f | 527 | (bfd *, struct stab_info *); |
252b5132 RH |
528 | |
529 | /* Find an offset within a .stab section when linking stabs in | |
530 | sections. */ | |
531 | ||
532 | extern bfd_vma _bfd_stab_section_offset | |
eea6121a | 533 | (asection *, void *, bfd_vma); |
252b5132 | 534 | |
57ceae94 | 535 | /* Register a SEC_MERGE section as a candidate for merging. */ |
f5fa8ca2 | 536 | |
57ceae94 | 537 | extern bfd_boolean _bfd_add_merge_section |
c58b9523 | 538 | (bfd *, void **, asection *, void **); |
f5fa8ca2 | 539 | |
8550eb6e JJ |
540 | /* Attempt to merge SEC_MERGE sections. */ |
541 | ||
b34976b6 | 542 | extern bfd_boolean _bfd_merge_sections |
57ceae94 | 543 | (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); |
8550eb6e | 544 | |
f5fa8ca2 JJ |
545 | /* Write out a merged section. */ |
546 | ||
b34976b6 | 547 | extern bfd_boolean _bfd_write_merged_section |
c58b9523 | 548 | (bfd *, asection *, void *); |
f5fa8ca2 JJ |
549 | |
550 | /* Find an offset within a modified SEC_MERGE section. */ | |
551 | ||
552 | extern bfd_vma _bfd_merged_section_offset | |
753731ee | 553 | (bfd *, asection **, void *, bfd_vma); |
f5fa8ca2 | 554 | |
252b5132 | 555 | /* Create a string table. */ |
b34976b6 | 556 | extern struct bfd_strtab_hash *_bfd_stringtab_init |
c58b9523 | 557 | (void); |
252b5132 RH |
558 | |
559 | /* Create an XCOFF .debug section style string table. */ | |
b34976b6 | 560 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init |
c58b9523 | 561 | (void); |
252b5132 RH |
562 | |
563 | /* Free a string table. */ | |
b34976b6 | 564 | extern void _bfd_stringtab_free |
c58b9523 | 565 | (struct bfd_strtab_hash *); |
252b5132 RH |
566 | |
567 | /* Get the size of a string table. */ | |
b34976b6 | 568 | extern bfd_size_type _bfd_stringtab_size |
c58b9523 | 569 | (struct bfd_strtab_hash *); |
252b5132 RH |
570 | |
571 | /* Add a string to a string table. */ | |
572 | extern bfd_size_type _bfd_stringtab_add | |
c58b9523 | 573 | (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); |
252b5132 RH |
574 | |
575 | /* Write out a string table. */ | |
b34976b6 | 576 | extern bfd_boolean _bfd_stringtab_emit |
c58b9523 | 577 | (bfd *, struct bfd_strtab_hash *); |
875f7f69 JR |
578 | |
579 | /* Check that endianness of input and output file match. */ | |
b34976b6 | 580 | extern bfd_boolean _bfd_generic_verify_endian_match |
c58b9523 | 581 | (bfd *, bfd *); |
252b5132 RH |
582 | \f |
583 | /* Macros to tell if bfds are read or write enabled. | |
584 | ||
585 | Note that bfds open for read may be scribbled into if the fd passed | |
586 | to bfd_fdopenr is actually open both for read and write | |
587 | simultaneously. However an output bfd will never be open for | |
588 | read. Therefore sometimes you want to check bfd_read_p or | |
589 | !bfd_read_p, and only sometimes bfd_write_p. | |
590 | */ | |
591 | ||
c58b9523 AM |
592 | #define bfd_read_p(abfd) \ |
593 | ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
594 | #define bfd_write_p(abfd) \ | |
595 | ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
252b5132 | 596 | |
b34976b6 | 597 | void bfd_assert |
c58b9523 | 598 | (const char*,int); |
252b5132 RH |
599 | |
600 | #define BFD_ASSERT(x) \ | |
f12123c0 | 601 | do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 RH |
602 | |
603 | #define BFD_FAIL() \ | |
f12123c0 | 604 | do { bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 | 605 | |
b34976b6 | 606 | extern void _bfd_abort |
c58b9523 | 607 | (const char *, int, const char *) ATTRIBUTE_NORETURN; |
c0bed66d | 608 | |
a1934524 AM |
609 | /* if gcc >= 2.6, we can give a function name, too */ |
610 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
611 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
612 | #endif | |
613 | ||
614 | #undef abort | |
615 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
616 | ||
7c192733 AC |
617 | /* Manipulate a system FILE but using BFD's "file_ptr", rather than |
618 | the system "off_t" or "off64_t", as the offset. */ | |
619 | extern file_ptr real_ftell (FILE *file); | |
620 | extern int real_fseek (FILE *file, file_ptr offset, int whence); | |
621 | ||
b34976b6 | 622 | FILE * bfd_cache_lookup_worker |
c58b9523 | 623 | (bfd *); |
252b5132 RH |
624 | |
625 | extern bfd *bfd_last_cache; | |
626 | ||
627 | /* List of supported target vectors, and the default vector (if | |
628 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 629 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
630 | extern const bfd_target *bfd_default_vector[]; |
631 | ||
08f74004 AM |
632 | /* List of associated target vectors. */ |
633 | extern const bfd_target * const *bfd_associated_vector; | |
634 | ||
252b5132 RH |
635 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no |
636 | other common header files. */ | |
637 | ||
638 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
639 | struct ecoff_find_line; | |
640 | #endif | |
641 | ||
b34976b6 | 642 | extern bfd_boolean _bfd_ecoff_locate_line |
c58b9523 AM |
643 | (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, |
644 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
645 | const char **, const char **, unsigned int *); | |
b34976b6 | 646 | extern bfd_boolean _bfd_ecoff_get_accumulated_pdr |
c58b9523 | 647 | (void *, bfd_byte *); |
b34976b6 | 648 | extern bfd_boolean _bfd_ecoff_get_accumulated_sym |
c58b9523 | 649 | (void *, bfd_byte *); |
b34976b6 | 650 | extern bfd_boolean _bfd_ecoff_get_accumulated_ss |
c58b9523 | 651 | (void *, bfd_byte *); |
b34976b6 AM |
652 | |
653 | extern bfd_vma _bfd_get_gp_value | |
c58b9523 | 654 | (bfd *); |
b34976b6 | 655 | extern void _bfd_set_gp_value |
c58b9523 | 656 | (bfd *, bfd_vma); |
252b5132 RH |
657 | |
658 | /* Function shared by the COFF and ELF SH backends, which have no | |
659 | other common header files. */ | |
660 | ||
c58b9523 | 661 | #ifndef _bfd_sh_align_load_span |
b34976b6 | 662 | extern bfd_boolean _bfd_sh_align_load_span |
c58b9523 AM |
663 | (bfd *, asection *, bfd_byte *, |
664 | bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), | |
665 | void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); | |
666 | #endif | |
082b7297 L |
667 | |
668 | /* This is the shape of the elements inside the already_linked hash | |
669 | table. It maps a name onto a list of already_linked elements with | |
670 | the same name. */ | |
671 | ||
672 | struct bfd_section_already_linked_hash_entry | |
673 | { | |
674 | struct bfd_hash_entry root; | |
675 | struct bfd_section_already_linked *entry; | |
676 | }; | |
677 | ||
678 | struct bfd_section_already_linked | |
679 | { | |
680 | struct bfd_section_already_linked *next; | |
681 | asection *sec; | |
682 | }; | |
683 | ||
684 | extern struct bfd_section_already_linked_hash_entry * | |
685 | bfd_section_already_linked_table_lookup (const char *); | |
686 | extern void bfd_section_already_linked_table_insert | |
687 | (struct bfd_section_already_linked_hash_entry *, asection *); | |
3d7f7666 L |
688 | extern void bfd_section_already_linked_table_traverse |
689 | (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, | |
690 | void *), void *); | |
691 | ||
f075ee0c AM |
692 | extern bfd_vma read_unsigned_leb128 (bfd *, bfd_byte *, unsigned int *); |
693 | extern bfd_signed_vma read_signed_leb128 (bfd *, bfd_byte *, unsigned int *); | |
c0c28ab8 | 694 |