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252b5132 RH |
1 | /* libbfd.h -- Declarations used by bfd library *implementation*. |
2 | (This include file is not for users of the library.) | |
7c192733 AC |
3 | |
4 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
5 | 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. | |
6 | ||
252b5132 RH |
7 | Written by Cygnus Support. |
8 | ||
252b5132 RH |
9 | This file is part of BFD, the Binary File Descriptor library. |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
24 | ||
25 | /* Align an address upward to a boundary, expressed as a number of bytes. | |
26 | E.g. align to an 8-byte boundary with argument of 8. Take care never | |
27 | to wrap around if the address is within boundary-1 of the end of the | |
28 | address space. */ | |
dc810e39 AM |
29 | #define BFD_ALIGN(this, boundary) \ |
30 | ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ | |
31 | ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ | |
252b5132 RH |
32 | : ~ (bfd_vma) 0) |
33 | ||
34 | /* If you want to read and write large blocks, you might want to do it | |
35 | in quanta of this amount */ | |
36 | #define DEFAULT_BUFFERSIZE 8192 | |
37 | ||
38 | /* Set a tdata field. Can't use the other macros for this, since they | |
39 | do casts, and casting to the left of assignment isn't portable. */ | |
c58b9523 | 40 | #define set_tdata(bfd, v) ((bfd)->tdata.any = (v)) |
252b5132 RH |
41 | |
42 | /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points | |
43 | to an instance of this structure. */ | |
44 | ||
45 | struct bfd_in_memory | |
46 | { | |
47 | /* Size of buffer. */ | |
48 | bfd_size_type size; | |
49 | /* Buffer holding contents of BFD. */ | |
50 | bfd_byte *buffer; | |
51 | }; | |
52 | ||
53 | /* tdata for an archive. For an input archive, cache | |
54 | needs to be free()'d. For an output archive, symdefs do. */ | |
55 | ||
56 | struct artdata { | |
57 | file_ptr first_file_filepos; | |
58 | /* Speed up searching the armap */ | |
59 | struct ar_cache *cache; | |
52b219b5 | 60 | bfd *archive_head; /* Only interesting in output routines */ |
252b5132 | 61 | carsym *symdefs; /* the symdef entries */ |
52b219b5 | 62 | symindex symdef_count; /* how many there are */ |
252b5132 RH |
63 | char *extended_names; /* clever intel extension */ |
64 | /* when more compilers are standard C, this can be a time_t */ | |
65 | long armap_timestamp; /* Timestamp value written into armap. | |
66 | This is used for BSD archives to check | |
67 | that the timestamp is recent enough | |
68 | for the BSD linker to not complain, | |
69 | just before we finish writing an | |
70 | archive. */ | |
71 | file_ptr armap_datepos; /* Position within archive to seek to | |
72 | rewrite the date field. */ | |
c58b9523 | 73 | void *tdata; /* Backend specific information. */ |
252b5132 RH |
74 | }; |
75 | ||
76 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
77 | ||
78 | /* Goes in bfd's arelt_data slot */ | |
79 | struct areltdata { | |
52b219b5 AM |
80 | char * arch_header; /* it's actually a string */ |
81 | unsigned int parsed_size; /* octets of filesize not including ar_hdr */ | |
82 | char *filename; /* null-terminated */ | |
252b5132 RH |
83 | }; |
84 | ||
85 | #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) | |
86 | ||
c58b9523 AM |
87 | extern void *bfd_malloc |
88 | (bfd_size_type); | |
89 | extern void *bfd_realloc | |
90 | (void *, bfd_size_type); | |
91 | extern void *bfd_zmalloc | |
92 | (bfd_size_type); | |
252b5132 | 93 | |
185d09ad | 94 | extern void _bfd_default_error_handler (const char *s, ...); |
252b5132 RH |
95 | extern bfd_error_handler_type _bfd_error_handler; |
96 | ||
97 | /* These routines allocate and free things on the BFD's objalloc. */ | |
98 | ||
c58b9523 AM |
99 | extern void *bfd_alloc |
100 | (bfd *, bfd_size_type); | |
101 | extern void *bfd_zalloc | |
102 | (bfd *, bfd_size_type); | |
b34976b6 | 103 | extern void bfd_release |
c58b9523 | 104 | (bfd *, void *); |
b34976b6 AM |
105 | |
106 | bfd * _bfd_create_empty_archive_element_shell | |
c58b9523 | 107 | (bfd *obfd); |
b34976b6 | 108 | bfd * _bfd_look_for_bfd_in_cache |
c58b9523 | 109 | (bfd *, file_ptr); |
b34976b6 | 110 | bfd_boolean _bfd_add_bfd_to_archive_cache |
c58b9523 | 111 | (bfd *, file_ptr, bfd *); |
b34976b6 | 112 | bfd_boolean _bfd_generic_mkarchive |
c58b9523 | 113 | (bfd *abfd); |
b34976b6 | 114 | const bfd_target *bfd_generic_archive_p |
c58b9523 | 115 | (bfd *abfd); |
b34976b6 | 116 | bfd_boolean bfd_slurp_armap |
c58b9523 | 117 | (bfd *abfd); |
b34976b6 | 118 | bfd_boolean bfd_slurp_bsd_armap_f2 |
c58b9523 | 119 | (bfd *abfd); |
252b5132 RH |
120 | #define bfd_slurp_bsd_armap bfd_slurp_armap |
121 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
b34976b6 | 122 | bfd_boolean _bfd_slurp_extended_name_table |
c58b9523 | 123 | (bfd *abfd); |
b34976b6 | 124 | extern bfd_boolean _bfd_construct_extended_name_table |
c58b9523 | 125 | (bfd *, bfd_boolean, char **, bfd_size_type *); |
b34976b6 | 126 | bfd_boolean _bfd_write_archive_contents |
c58b9523 | 127 | (bfd *abfd); |
b34976b6 | 128 | bfd_boolean _bfd_compute_and_write_armap |
c58b9523 | 129 | (bfd *, unsigned int elength); |
b34976b6 | 130 | bfd *_bfd_get_elt_at_filepos |
c58b9523 | 131 | (bfd *archive, file_ptr filepos); |
b34976b6 | 132 | extern bfd *_bfd_generic_get_elt_at_index |
c58b9523 | 133 | (bfd *, symindex); |
b34976b6 | 134 | bfd * _bfd_new_bfd |
c58b9523 | 135 | (void); |
b34976b6 | 136 | void _bfd_delete_bfd |
c58b9523 | 137 | (bfd *); |
b34976b6 AM |
138 | |
139 | bfd_boolean bfd_false | |
c58b9523 | 140 | (bfd *ignore); |
b34976b6 | 141 | bfd_boolean bfd_true |
c58b9523 AM |
142 | (bfd *ignore); |
143 | void *bfd_nullvoidptr | |
144 | (bfd *ignore); | |
b34976b6 | 145 | int bfd_0 |
c58b9523 | 146 | (bfd *ignore); |
b34976b6 | 147 | unsigned int bfd_0u |
c58b9523 | 148 | (bfd *ignore); |
b34976b6 | 149 | long bfd_0l |
c58b9523 | 150 | (bfd *ignore); |
b34976b6 | 151 | long _bfd_n1 |
c58b9523 | 152 | (bfd *ignore); |
b34976b6 | 153 | void bfd_void |
c58b9523 | 154 | (bfd *ignore); |
b34976b6 AM |
155 | |
156 | bfd *_bfd_new_bfd_contained_in | |
c58b9523 | 157 | (bfd *); |
b34976b6 | 158 | const bfd_target *_bfd_dummy_target |
c58b9523 | 159 | (bfd *abfd); |
b34976b6 AM |
160 | |
161 | void bfd_dont_truncate_arname | |
c58b9523 | 162 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 163 | void bfd_bsd_truncate_arname |
c58b9523 | 164 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 | 165 | void bfd_gnu_truncate_arname |
c58b9523 | 166 | (bfd *abfd, const char *filename, char *hdr); |
b34976b6 AM |
167 | |
168 | bfd_boolean bsd_write_armap | |
c58b9523 AM |
169 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
170 | int stridx); | |
b34976b6 AM |
171 | |
172 | bfd_boolean coff_write_armap | |
c58b9523 AM |
173 | (bfd *arch, unsigned int elength, struct orl *map, unsigned int orl_count, |
174 | int stridx); | |
b34976b6 | 175 | |
c58b9523 AM |
176 | extern void *_bfd_generic_read_ar_hdr |
177 | (bfd *); | |
b34976b6 | 178 | |
c58b9523 AM |
179 | extern void *_bfd_generic_read_ar_hdr_mag |
180 | (bfd *, const char *); | |
b34976b6 AM |
181 | |
182 | bfd * bfd_generic_openr_next_archived_file | |
c58b9523 | 183 | (bfd *archive, bfd *last_file); |
b34976b6 AM |
184 | |
185 | int bfd_generic_stat_arch_elt | |
c58b9523 | 186 | (bfd *, struct stat *); |
252b5132 RH |
187 | |
188 | #define _bfd_read_ar_hdr(abfd) \ | |
189 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
190 | \f | |
191 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
192 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
193 | ||
194 | #define _bfd_generic_close_and_cleanup bfd_true | |
195 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
196 | #define _bfd_generic_new_section_hook \ | |
c58b9523 | 197 | ((bfd_boolean (*) (bfd *, asection *)) bfd_true) |
b34976b6 | 198 | extern bfd_boolean _bfd_generic_get_section_contents |
c58b9523 | 199 | (bfd *, asection *, void *, file_ptr, bfd_size_type); |
b34976b6 | 200 | extern bfd_boolean _bfd_generic_get_section_contents_in_window |
c58b9523 | 201 | (bfd *, asection *, bfd_window *, file_ptr, bfd_size_type); |
252b5132 RH |
202 | |
203 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
204 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
205 | ||
206 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
c58b9523 | 207 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 208 | #define _bfd_generic_bfd_merge_private_bfd_data \ |
c58b9523 | 209 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) |
252b5132 | 210 | #define _bfd_generic_bfd_set_private_flags \ |
c58b9523 | 211 | ((bfd_boolean (*) (bfd *, flagword)) bfd_true) |
252b5132 | 212 | #define _bfd_generic_bfd_copy_private_section_data \ |
c58b9523 | 213 | ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true) |
252b5132 | 214 | #define _bfd_generic_bfd_copy_private_symbol_data \ |
c58b9523 | 215 | ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true) |
80fccad2 BW |
216 | #define _bfd_generic_bfd_copy_private_header_data \ |
217 | ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) | |
252b5132 | 218 | #define _bfd_generic_bfd_print_private_bfd_data \ |
c58b9523 | 219 | ((bfd_boolean (*) (bfd *, void *)) bfd_true) |
252b5132 RH |
220 | |
221 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file | |
222 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
223 | ||
b34976b6 | 224 | extern char *_bfd_nocore_core_file_failing_command |
c58b9523 | 225 | (bfd *); |
b34976b6 | 226 | extern int _bfd_nocore_core_file_failing_signal |
c58b9523 | 227 | (bfd *); |
b34976b6 | 228 | extern bfd_boolean _bfd_nocore_core_file_matches_executable_p |
c58b9523 | 229 | (bfd *, bfd *); |
252b5132 RH |
230 | |
231 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
232 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
233 | ||
234 | #define _bfd_noarchive_slurp_armap bfd_false | |
235 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
236 | #define _bfd_noarchive_construct_extended_name_table \ | |
c58b9523 | 237 | ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) \ |
252b5132 RH |
238 | bfd_false) |
239 | #define _bfd_noarchive_truncate_arname \ | |
c58b9523 | 240 | ((void (*) (bfd *, const char *, char *)) bfd_void) |
252b5132 | 241 | #define _bfd_noarchive_write_armap \ |
c58b9523 | 242 | ((bfd_boolean (*) (bfd *, unsigned int, struct orl *, unsigned int, int)) \ |
252b5132 RH |
243 | bfd_false) |
244 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
245 | #define _bfd_noarchive_openr_next_archived_file \ | |
c58b9523 | 246 | ((bfd *(*) (bfd *, bfd *)) bfd_nullvoidptr) |
252b5132 | 247 | #define _bfd_noarchive_get_elt_at_index \ |
c58b9523 | 248 | ((bfd *(*) (bfd *, symindex)) bfd_nullvoidptr) |
252b5132 RH |
249 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt |
250 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
251 | ||
252 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
253 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
254 | ||
255 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
256 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
257 | _bfd_slurp_extended_name_table | |
b34976b6 | 258 | extern bfd_boolean _bfd_archive_bsd_construct_extended_name_table |
c58b9523 | 259 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
260 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname |
261 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
262 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
263 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
264 | bfd_generic_openr_next_archived_file | |
265 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
266 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
267 | bfd_generic_stat_arch_elt | |
b34976b6 | 268 | extern bfd_boolean _bfd_archive_bsd_update_armap_timestamp |
c58b9523 | 269 | (bfd *); |
252b5132 RH |
270 | |
271 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
272 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
273 | ||
274 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
275 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
276 | _bfd_slurp_extended_name_table | |
b34976b6 | 277 | extern bfd_boolean _bfd_archive_coff_construct_extended_name_table |
c58b9523 | 278 | (bfd *, char **, bfd_size_type *, const char **); |
252b5132 RH |
279 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname |
280 | #define _bfd_archive_coff_write_armap coff_write_armap | |
281 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
282 | #define _bfd_archive_coff_openr_next_archived_file \ | |
283 | bfd_generic_openr_next_archived_file | |
284 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
285 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
286 | bfd_generic_stat_arch_elt | |
287 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
288 | ||
289 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
290 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
291 | ||
292 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
6cee3f79 | 293 | #define _bfd_nosymbols_canonicalize_symtab \ |
c58b9523 | 294 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
3f3c5c34 | 295 | #define _bfd_nosymbols_make_empty_symbol _bfd_generic_make_empty_symbol |
252b5132 | 296 | #define _bfd_nosymbols_print_symbol \ |
c58b9523 | 297 | ((void (*) (bfd *, void *, asymbol *, bfd_print_symbol_type)) bfd_void) |
252b5132 | 298 | #define _bfd_nosymbols_get_symbol_info \ |
c58b9523 | 299 | ((void (*) (bfd *, asymbol *, symbol_info *)) bfd_void) |
252b5132 | 300 | #define _bfd_nosymbols_bfd_is_local_label_name \ |
c58b9523 | 301 | ((bfd_boolean (*) (bfd *, const char *)) bfd_false) |
3c9458e9 NC |
302 | #define _bfd_nosymbols_bfd_is_target_special_symbol \ |
303 | ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) | |
252b5132 | 304 | #define _bfd_nosymbols_get_lineno \ |
c58b9523 | 305 | ((alent *(*) (bfd *, asymbol *)) bfd_nullvoidptr) |
252b5132 | 306 | #define _bfd_nosymbols_find_nearest_line \ |
c58b9523 AM |
307 | ((bfd_boolean (*) (bfd *, asection *, asymbol **, bfd_vma, const char **, \ |
308 | const char **, unsigned int *)) \ | |
252b5132 RH |
309 | bfd_false) |
310 | #define _bfd_nosymbols_bfd_make_debug_symbol \ | |
c58b9523 | 311 | ((asymbol *(*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) |
252b5132 | 312 | #define _bfd_nosymbols_read_minisymbols \ |
c58b9523 | 313 | ((long (*) (bfd *, bfd_boolean, void **, unsigned int *)) _bfd_n1) |
252b5132 | 314 | #define _bfd_nosymbols_minisymbol_to_symbol \ |
c58b9523 | 315 | ((asymbol *(*) (bfd *, bfd_boolean, const void *, asymbol *)) \ |
252b5132 RH |
316 | bfd_nullvoidptr) |
317 | ||
318 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
319 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
320 | ||
321 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
c58b9523 | 322 | ((long (*) (bfd *, asection *)) _bfd_n1) |
252b5132 | 323 | #define _bfd_norelocs_canonicalize_reloc \ |
c58b9523 | 324 | ((long (*) (bfd *, asection *, arelent **, asymbol **)) _bfd_n1) |
252b5132 | 325 | #define _bfd_norelocs_bfd_reloc_type_lookup \ |
c58b9523 | 326 | ((reloc_howto_type *(*) (bfd *, bfd_reloc_code_real_type)) bfd_nullvoidptr) |
252b5132 RH |
327 | |
328 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
329 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
330 | ||
331 | #define _bfd_nowrite_set_arch_mach \ | |
c58b9523 | 332 | ((bfd_boolean (*) (bfd *, enum bfd_architecture, unsigned long)) \ |
252b5132 RH |
333 | bfd_false) |
334 | #define _bfd_nowrite_set_section_contents \ | |
0f867abe | 335 | ((bfd_boolean (*) (bfd *, asection *, const void *, file_ptr, bfd_size_type)) \ |
252b5132 RH |
336 | bfd_false) |
337 | ||
338 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
339 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
340 | ||
341 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
b34976b6 | 342 | extern bfd_boolean _bfd_generic_set_section_contents |
0f867abe | 343 | (bfd *, asection *, const void *, file_ptr, bfd_size_type); |
252b5132 RH |
344 | |
345 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
346 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
347 | ||
c58b9523 | 348 | #define _bfd_nolink_sizeof_headers ((int (*) (bfd *, bfd_boolean)) bfd_0) |
252b5132 | 349 | #define _bfd_nolink_bfd_get_relocated_section_contents \ |
c58b9523 AM |
350 | ((bfd_byte *(*) (bfd *, struct bfd_link_info *, struct bfd_link_order *, \ |
351 | bfd_byte *, bfd_boolean, asymbol **)) \ | |
252b5132 RH |
352 | bfd_nullvoidptr) |
353 | #define _bfd_nolink_bfd_relax_section \ | |
b34976b6 | 354 | ((bfd_boolean (*) \ |
c58b9523 | 355 | (bfd *, asection *, struct bfd_link_info *, bfd_boolean *)) \ |
252b5132 RH |
356 | bfd_false) |
357 | #define _bfd_nolink_bfd_gc_sections \ | |
c58b9523 | 358 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
252b5132 | 359 | bfd_false) |
8550eb6e | 360 | #define _bfd_nolink_bfd_merge_sections \ |
c58b9523 | 361 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) \ |
8550eb6e | 362 | bfd_false) |
72adc230 AM |
363 | #define _bfd_nolink_bfd_is_group_section \ |
364 | ((bfd_boolean (*) (bfd *, const struct bfd_section *)) \ | |
365 | bfd_false) | |
e61463e1 | 366 | #define _bfd_nolink_bfd_discard_group \ |
198beae2 | 367 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) \ |
e61463e1 | 368 | bfd_false) |
252b5132 | 369 | #define _bfd_nolink_bfd_link_hash_table_create \ |
c58b9523 | 370 | ((struct bfd_link_hash_table *(*) (bfd *)) bfd_nullvoidptr) |
e2d34d7d | 371 | #define _bfd_nolink_bfd_link_hash_table_free \ |
c58b9523 | 372 | ((void (*) (struct bfd_link_hash_table *)) bfd_void) |
252b5132 | 373 | #define _bfd_nolink_bfd_link_add_symbols \ |
c58b9523 | 374 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
2d653fc7 | 375 | #define _bfd_nolink_bfd_link_just_syms \ |
c58b9523 | 376 | ((void (*) (asection *, struct bfd_link_info *)) bfd_void) |
252b5132 | 377 | #define _bfd_nolink_bfd_final_link \ |
c58b9523 | 378 | ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_false) |
252b5132 | 379 | #define _bfd_nolink_bfd_link_split_section \ |
198beae2 | 380 | ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) |
082b7297 L |
381 | #define _bfd_nolink_section_already_linked \ |
382 | ((void (*) (bfd *, struct bfd_section *)) bfd_void) | |
252b5132 RH |
383 | |
384 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
385 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
386 | (_bfd_nodynamic). */ | |
387 | ||
388 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
389 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
c58b9523 | 390 | ((long (*) (bfd *, asymbol **)) _bfd_n1) |
4c45e5c9 | 391 | #define _bfd_nodynamic_get_synthetic_symtab \ |
c9727e01 | 392 | ((long (*) (bfd *, long, asymbol **, long, asymbol **, asymbol **)) _bfd_n1) |
252b5132 RH |
393 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 |
394 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
c58b9523 | 395 | ((long (*) (bfd *, arelent **, asymbol **)) _bfd_n1) |
252b5132 RH |
396 | \f |
397 | /* Generic routine to determine of the given symbol is a local | |
398 | label. */ | |
b34976b6 | 399 | extern bfd_boolean bfd_generic_is_local_label_name |
c58b9523 | 400 | (bfd *, const char *); |
252b5132 RH |
401 | |
402 | /* Generic minisymbol routines. */ | |
403 | extern long _bfd_generic_read_minisymbols | |
c58b9523 | 404 | (bfd *, bfd_boolean, void **, unsigned int *); |
252b5132 | 405 | extern asymbol *_bfd_generic_minisymbol_to_symbol |
c58b9523 | 406 | (bfd *, bfd_boolean, const void *, asymbol *); |
252b5132 RH |
407 | |
408 | /* Find the nearest line using .stab/.stabstr sections. */ | |
b34976b6 | 409 | extern bfd_boolean _bfd_stab_section_find_nearest_line |
c58b9523 AM |
410 | (bfd *, asymbol **, asection *, bfd_vma, bfd_boolean *, |
411 | const char **, const char **, unsigned int *, void **); | |
252b5132 RH |
412 | |
413 | /* Find the neaderst line using DWARF 1 debugging information. */ | |
b34976b6 | 414 | extern bfd_boolean _bfd_dwarf1_find_nearest_line |
c58b9523 AM |
415 | (bfd *, asection *, asymbol **, bfd_vma, const char **, |
416 | const char **, unsigned int *); | |
252b5132 RH |
417 | |
418 | /* Find the nearest line using DWARF 2 debugging information. */ | |
b34976b6 | 419 | extern bfd_boolean _bfd_dwarf2_find_nearest_line |
c58b9523 AM |
420 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
421 | unsigned int *, unsigned int, void **); | |
252b5132 | 422 | |
73e87d70 AM |
423 | /* Create a new section entry. */ |
424 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
c58b9523 | 425 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
73e87d70 | 426 | |
252b5132 RH |
427 | /* A routine to create entries for a bfd_link_hash_table. */ |
428 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
c58b9523 AM |
429 | (struct bfd_hash_entry *entry, struct bfd_hash_table *table, |
430 | const char *string); | |
252b5132 RH |
431 | |
432 | /* Initialize a bfd_link_hash_table. */ | |
b34976b6 | 433 | extern bfd_boolean _bfd_link_hash_table_init |
c58b9523 AM |
434 | (struct bfd_link_hash_table *, bfd *, |
435 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
436 | struct bfd_hash_table *, | |
437 | const char *)); | |
252b5132 RH |
438 | |
439 | /* Generic link hash table creation routine. */ | |
440 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
c58b9523 | 441 | (bfd *); |
252b5132 | 442 | |
e2d34d7d DJ |
443 | /* Generic link hash table destruction routine. */ |
444 | extern void _bfd_generic_link_hash_table_free | |
c58b9523 | 445 | (struct bfd_link_hash_table *); |
e2d34d7d | 446 | |
252b5132 | 447 | /* Generic add symbol routine. */ |
b34976b6 | 448 | extern bfd_boolean _bfd_generic_link_add_symbols |
c58b9523 | 449 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
450 | |
451 | /* Generic add symbol routine. This version is used by targets for | |
452 | which the linker must collect constructors and destructors by name, | |
453 | as the collect2 program does. */ | |
b34976b6 | 454 | extern bfd_boolean _bfd_generic_link_add_symbols_collect |
c58b9523 | 455 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
456 | |
457 | /* Generic archive add symbol routine. */ | |
b34976b6 | 458 | extern bfd_boolean _bfd_generic_link_add_archive_symbols |
c58b9523 AM |
459 | (bfd *, struct bfd_link_info *, |
460 | bfd_boolean (*) (bfd *, struct bfd_link_info *, bfd_boolean *)); | |
252b5132 | 461 | |
252b5132 RH |
462 | /* Forward declaration to avoid prototype errors. */ |
463 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
464 | ||
465 | /* Generic routine to add a single symbol. */ | |
b34976b6 | 466 | extern bfd_boolean _bfd_generic_link_add_one_symbol |
c58b9523 AM |
467 | (struct bfd_link_info *, bfd *, const char *name, flagword, |
468 | asection *, bfd_vma, const char *, bfd_boolean copy, | |
469 | bfd_boolean constructor, struct bfd_link_hash_entry **); | |
252b5132 | 470 | |
2d653fc7 AM |
471 | /* Generic routine to mark section as supplying symbols only. */ |
472 | extern void _bfd_generic_link_just_syms | |
c58b9523 | 473 | (asection *, struct bfd_link_info *); |
2d653fc7 | 474 | |
252b5132 | 475 | /* Generic link routine. */ |
b34976b6 | 476 | extern bfd_boolean _bfd_generic_final_link |
c58b9523 | 477 | (bfd *, struct bfd_link_info *); |
252b5132 | 478 | |
b34976b6 | 479 | extern bfd_boolean _bfd_generic_link_split_section |
198beae2 | 480 | (bfd *, struct bfd_section *); |
252b5132 | 481 | |
082b7297 L |
482 | extern void _bfd_generic_section_already_linked |
483 | (bfd *, struct bfd_section *); | |
484 | ||
252b5132 | 485 | /* Generic reloc_link_order processing routine. */ |
b34976b6 | 486 | extern bfd_boolean _bfd_generic_reloc_link_order |
c58b9523 | 487 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
488 | |
489 | /* Default link order processing routine. */ | |
b34976b6 | 490 | extern bfd_boolean _bfd_default_link_order |
c58b9523 | 491 | (bfd *, struct bfd_link_info *, asection *, struct bfd_link_order *); |
252b5132 RH |
492 | |
493 | /* Count the number of reloc entries in a link order list. */ | |
494 | extern unsigned int _bfd_count_link_order_relocs | |
c58b9523 | 495 | (struct bfd_link_order *); |
252b5132 RH |
496 | |
497 | /* Final link relocation routine. */ | |
498 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
c58b9523 AM |
499 | (reloc_howto_type *, bfd *, asection *, bfd_byte *, |
500 | bfd_vma, bfd_vma, bfd_vma); | |
252b5132 RH |
501 | |
502 | /* Relocate a particular location by a howto and a value. */ | |
503 | extern bfd_reloc_status_type _bfd_relocate_contents | |
c58b9523 | 504 | (reloc_howto_type *, bfd *, bfd_vma, bfd_byte *); |
252b5132 RH |
505 | |
506 | /* Link stabs in sections in the first pass. */ | |
507 | ||
b34976b6 | 508 | extern bfd_boolean _bfd_link_section_stabs |
3722b82f AM |
509 | (bfd *, struct stab_info *, asection *, asection *, void **, |
510 | bfd_size_type *); | |
252b5132 | 511 | |
73d074b4 | 512 | /* Eliminate stabs for discarded functions and symbols. */ |
b34976b6 | 513 | extern bfd_boolean _bfd_discard_section_stabs |
c58b9523 | 514 | (bfd *, asection *, void *, bfd_boolean (*) (bfd_vma, void *), void *); |
73d074b4 | 515 | |
252b5132 RH |
516 | /* Write out the .stab section when linking stabs in sections. */ |
517 | ||
b34976b6 | 518 | extern bfd_boolean _bfd_write_section_stabs |
3722b82f | 519 | (bfd *, struct stab_info *, asection *, void **, bfd_byte *); |
252b5132 RH |
520 | |
521 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
522 | ||
b34976b6 | 523 | extern bfd_boolean _bfd_write_stab_strings |
3722b82f | 524 | (bfd *, struct stab_info *); |
252b5132 RH |
525 | |
526 | /* Find an offset within a .stab section when linking stabs in | |
527 | sections. */ | |
528 | ||
529 | extern bfd_vma _bfd_stab_section_offset | |
eea6121a | 530 | (asection *, void *, bfd_vma); |
252b5132 | 531 | |
57ceae94 | 532 | /* Register a SEC_MERGE section as a candidate for merging. */ |
f5fa8ca2 | 533 | |
57ceae94 | 534 | extern bfd_boolean _bfd_add_merge_section |
c58b9523 | 535 | (bfd *, void **, asection *, void **); |
f5fa8ca2 | 536 | |
8550eb6e JJ |
537 | /* Attempt to merge SEC_MERGE sections. */ |
538 | ||
b34976b6 | 539 | extern bfd_boolean _bfd_merge_sections |
57ceae94 | 540 | (bfd *, struct bfd_link_info *, void *, void (*) (bfd *, asection *)); |
8550eb6e | 541 | |
f5fa8ca2 JJ |
542 | /* Write out a merged section. */ |
543 | ||
b34976b6 | 544 | extern bfd_boolean _bfd_write_merged_section |
c58b9523 | 545 | (bfd *, asection *, void *); |
f5fa8ca2 JJ |
546 | |
547 | /* Find an offset within a modified SEC_MERGE section. */ | |
548 | ||
549 | extern bfd_vma _bfd_merged_section_offset | |
753731ee | 550 | (bfd *, asection **, void *, bfd_vma); |
f5fa8ca2 | 551 | |
252b5132 | 552 | /* Create a string table. */ |
b34976b6 | 553 | extern struct bfd_strtab_hash *_bfd_stringtab_init |
c58b9523 | 554 | (void); |
252b5132 RH |
555 | |
556 | /* Create an XCOFF .debug section style string table. */ | |
b34976b6 | 557 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init |
c58b9523 | 558 | (void); |
252b5132 RH |
559 | |
560 | /* Free a string table. */ | |
b34976b6 | 561 | extern void _bfd_stringtab_free |
c58b9523 | 562 | (struct bfd_strtab_hash *); |
252b5132 RH |
563 | |
564 | /* Get the size of a string table. */ | |
b34976b6 | 565 | extern bfd_size_type _bfd_stringtab_size |
c58b9523 | 566 | (struct bfd_strtab_hash *); |
252b5132 RH |
567 | |
568 | /* Add a string to a string table. */ | |
569 | extern bfd_size_type _bfd_stringtab_add | |
c58b9523 | 570 | (struct bfd_strtab_hash *, const char *, bfd_boolean hash, bfd_boolean copy); |
252b5132 RH |
571 | |
572 | /* Write out a string table. */ | |
b34976b6 | 573 | extern bfd_boolean _bfd_stringtab_emit |
c58b9523 | 574 | (bfd *, struct bfd_strtab_hash *); |
875f7f69 JR |
575 | |
576 | /* Check that endianness of input and output file match. */ | |
b34976b6 | 577 | extern bfd_boolean _bfd_generic_verify_endian_match |
c58b9523 | 578 | (bfd *, bfd *); |
252b5132 RH |
579 | \f |
580 | /* Macros to tell if bfds are read or write enabled. | |
581 | ||
582 | Note that bfds open for read may be scribbled into if the fd passed | |
583 | to bfd_fdopenr is actually open both for read and write | |
584 | simultaneously. However an output bfd will never be open for | |
585 | read. Therefore sometimes you want to check bfd_read_p or | |
586 | !bfd_read_p, and only sometimes bfd_write_p. | |
587 | */ | |
588 | ||
c58b9523 AM |
589 | #define bfd_read_p(abfd) \ |
590 | ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
591 | #define bfd_write_p(abfd) \ | |
592 | ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
252b5132 | 593 | |
b34976b6 | 594 | void bfd_assert |
c58b9523 | 595 | (const char*,int); |
252b5132 RH |
596 | |
597 | #define BFD_ASSERT(x) \ | |
f12123c0 | 598 | do { if (!(x)) bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 RH |
599 | |
600 | #define BFD_FAIL() \ | |
f12123c0 | 601 | do { bfd_assert(__FILE__,__LINE__); } while (0) |
252b5132 | 602 | |
b34976b6 | 603 | extern void _bfd_abort |
c58b9523 | 604 | (const char *, int, const char *) ATTRIBUTE_NORETURN; |
c0bed66d | 605 | |
a1934524 AM |
606 | /* if gcc >= 2.6, we can give a function name, too */ |
607 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
608 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
609 | #endif | |
610 | ||
611 | #undef abort | |
612 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
613 | ||
7c192733 AC |
614 | /* Manipulate a system FILE but using BFD's "file_ptr", rather than |
615 | the system "off_t" or "off64_t", as the offset. */ | |
616 | extern file_ptr real_ftell (FILE *file); | |
617 | extern int real_fseek (FILE *file, file_ptr offset, int whence); | |
618 | ||
b34976b6 | 619 | FILE * bfd_cache_lookup_worker |
c58b9523 | 620 | (bfd *); |
252b5132 RH |
621 | |
622 | extern bfd *bfd_last_cache; | |
623 | ||
624 | /* List of supported target vectors, and the default vector (if | |
625 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 626 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
627 | extern const bfd_target *bfd_default_vector[]; |
628 | ||
08f74004 AM |
629 | /* List of associated target vectors. */ |
630 | extern const bfd_target * const *bfd_associated_vector; | |
631 | ||
252b5132 RH |
632 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no |
633 | other common header files. */ | |
634 | ||
635 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
636 | struct ecoff_find_line; | |
637 | #endif | |
638 | ||
b34976b6 | 639 | extern bfd_boolean _bfd_ecoff_locate_line |
c58b9523 AM |
640 | (bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, |
641 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
642 | const char **, const char **, unsigned int *); | |
b34976b6 | 643 | extern bfd_boolean _bfd_ecoff_get_accumulated_pdr |
c58b9523 | 644 | (void *, bfd_byte *); |
b34976b6 | 645 | extern bfd_boolean _bfd_ecoff_get_accumulated_sym |
c58b9523 | 646 | (void *, bfd_byte *); |
b34976b6 | 647 | extern bfd_boolean _bfd_ecoff_get_accumulated_ss |
c58b9523 | 648 | (void *, bfd_byte *); |
b34976b6 AM |
649 | |
650 | extern bfd_vma _bfd_get_gp_value | |
c58b9523 | 651 | (bfd *); |
b34976b6 | 652 | extern void _bfd_set_gp_value |
c58b9523 | 653 | (bfd *, bfd_vma); |
252b5132 RH |
654 | |
655 | /* Function shared by the COFF and ELF SH backends, which have no | |
656 | other common header files. */ | |
657 | ||
c58b9523 | 658 | #ifndef _bfd_sh_align_load_span |
b34976b6 | 659 | extern bfd_boolean _bfd_sh_align_load_span |
c58b9523 AM |
660 | (bfd *, asection *, bfd_byte *, |
661 | bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma), | |
662 | void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *); | |
663 | #endif | |
082b7297 L |
664 | |
665 | /* This is the shape of the elements inside the already_linked hash | |
666 | table. It maps a name onto a list of already_linked elements with | |
667 | the same name. */ | |
668 | ||
669 | struct bfd_section_already_linked_hash_entry | |
670 | { | |
671 | struct bfd_hash_entry root; | |
672 | struct bfd_section_already_linked *entry; | |
673 | }; | |
674 | ||
675 | struct bfd_section_already_linked | |
676 | { | |
677 | struct bfd_section_already_linked *next; | |
678 | asection *sec; | |
679 | }; | |
680 | ||
681 | extern struct bfd_section_already_linked_hash_entry * | |
682 | bfd_section_already_linked_table_lookup (const char *); | |
683 | extern void bfd_section_already_linked_table_insert | |
684 | (struct bfd_section_already_linked_hash_entry *, asection *); | |
3d7f7666 L |
685 | extern void bfd_section_already_linked_table_traverse |
686 | (bfd_boolean (*) (struct bfd_section_already_linked_hash_entry *, | |
687 | void *), void *); | |
688 | ||
c0c28ab8 L |
689 | extern bfd_vma read_unsigned_leb128 (bfd *, char *, unsigned int *); |
690 | extern bfd_signed_vma read_signed_leb128 (bfd *, char *, unsigned int *); | |
691 |