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252b5132 RH |
1 | /* libbfd.h -- Declarations used by bfd library *implementation*. |
2 | (This include file is not for users of the library.) | |
7898deda NC |
3 | Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
4 | 2000, 2001 | |
dc93fc57 | 5 | Free Software Foundation, Inc. |
252b5132 RH |
6 | Written by Cygnus Support. |
7 | ||
252b5132 RH |
8 | This file is part of BFD, the Binary File Descriptor library. |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | /* Align an address upward to a boundary, expressed as a number of bytes. | |
25 | E.g. align to an 8-byte boundary with argument of 8. Take care never | |
26 | to wrap around if the address is within boundary-1 of the end of the | |
27 | address space. */ | |
dc810e39 AM |
28 | #define BFD_ALIGN(this, boundary) \ |
29 | ((((bfd_vma) (this) + (boundary) - 1) >= (bfd_vma) (this)) \ | |
30 | ? (((bfd_vma) (this) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary)-1)) \ | |
252b5132 RH |
31 | : ~ (bfd_vma) 0) |
32 | ||
33 | /* If you want to read and write large blocks, you might want to do it | |
34 | in quanta of this amount */ | |
35 | #define DEFAULT_BUFFERSIZE 8192 | |
36 | ||
37 | /* Set a tdata field. Can't use the other macros for this, since they | |
38 | do casts, and casting to the left of assignment isn't portable. */ | |
39 | #define set_tdata(bfd, v) ((bfd)->tdata.any = (PTR) (v)) | |
40 | ||
41 | /* If BFD_IN_MEMORY is set for a BFD, then the iostream fields points | |
42 | to an instance of this structure. */ | |
43 | ||
44 | struct bfd_in_memory | |
45 | { | |
46 | /* Size of buffer. */ | |
47 | bfd_size_type size; | |
48 | /* Buffer holding contents of BFD. */ | |
49 | bfd_byte *buffer; | |
50 | }; | |
51 | ||
52 | /* tdata for an archive. For an input archive, cache | |
53 | needs to be free()'d. For an output archive, symdefs do. */ | |
54 | ||
55 | struct artdata { | |
56 | file_ptr first_file_filepos; | |
57 | /* Speed up searching the armap */ | |
58 | struct ar_cache *cache; | |
52b219b5 | 59 | bfd *archive_head; /* Only interesting in output routines */ |
252b5132 | 60 | carsym *symdefs; /* the symdef entries */ |
52b219b5 | 61 | symindex symdef_count; /* how many there are */ |
252b5132 RH |
62 | char *extended_names; /* clever intel extension */ |
63 | /* when more compilers are standard C, this can be a time_t */ | |
64 | long armap_timestamp; /* Timestamp value written into armap. | |
65 | This is used for BSD archives to check | |
66 | that the timestamp is recent enough | |
67 | for the BSD linker to not complain, | |
68 | just before we finish writing an | |
69 | archive. */ | |
70 | file_ptr armap_datepos; /* Position within archive to seek to | |
71 | rewrite the date field. */ | |
72 | PTR tdata; /* Backend specific information. */ | |
73 | }; | |
74 | ||
75 | #define bfd_ardata(bfd) ((bfd)->tdata.aout_ar_data) | |
76 | ||
77 | /* Goes in bfd's arelt_data slot */ | |
78 | struct areltdata { | |
52b219b5 AM |
79 | char * arch_header; /* it's actually a string */ |
80 | unsigned int parsed_size; /* octets of filesize not including ar_hdr */ | |
81 | char *filename; /* null-terminated */ | |
252b5132 RH |
82 | }; |
83 | ||
84 | #define arelt_size(bfd) (((struct areltdata *)((bfd)->arelt_data))->parsed_size) | |
85 | ||
dc810e39 AM |
86 | extern PTR bfd_malloc PARAMS ((bfd_size_type)); |
87 | extern PTR bfd_realloc PARAMS ((PTR, bfd_size_type)); | |
88 | extern PTR bfd_zmalloc PARAMS ((bfd_size_type)); | |
252b5132 RH |
89 | |
90 | extern bfd_error_handler_type _bfd_error_handler; | |
91 | ||
92 | /* These routines allocate and free things on the BFD's objalloc. */ | |
93 | ||
dc810e39 AM |
94 | extern PTR bfd_alloc PARAMS ((bfd *, bfd_size_type)); |
95 | extern PTR bfd_zalloc PARAMS ((bfd *, bfd_size_type)); | |
252b5132 RH |
96 | extern void bfd_release PARAMS ((bfd *, PTR)); |
97 | ||
98 | bfd * _bfd_create_empty_archive_element_shell PARAMS ((bfd *obfd)); | |
dc810e39 | 99 | bfd * _bfd_look_for_bfd_in_cache PARAMS ((bfd *, file_ptr)); |
252b5132 RH |
100 | boolean _bfd_add_bfd_to_archive_cache PARAMS ((bfd *, file_ptr, bfd *)); |
101 | boolean _bfd_generic_mkarchive PARAMS ((bfd *abfd)); | |
102 | const bfd_target *bfd_generic_archive_p PARAMS ((bfd *abfd)); | |
103 | boolean bfd_slurp_armap PARAMS ((bfd *abfd)); | |
104 | boolean bfd_slurp_bsd_armap_f2 PARAMS ((bfd *abfd)); | |
105 | #define bfd_slurp_bsd_armap bfd_slurp_armap | |
106 | #define bfd_slurp_coff_armap bfd_slurp_armap | |
107 | boolean _bfd_slurp_extended_name_table PARAMS ((bfd *abfd)); | |
108 | extern boolean _bfd_construct_extended_name_table | |
109 | PARAMS ((bfd *, boolean, char **, bfd_size_type *)); | |
110 | boolean _bfd_write_archive_contents PARAMS ((bfd *abfd)); | |
111 | boolean _bfd_compute_and_write_armap PARAMS ((bfd *, unsigned int elength)); | |
112 | bfd *_bfd_get_elt_at_filepos PARAMS ((bfd *archive, file_ptr filepos)); | |
113 | extern bfd *_bfd_generic_get_elt_at_index PARAMS ((bfd *, symindex)); | |
114 | bfd * _bfd_new_bfd PARAMS ((void)); | |
73e87d70 | 115 | void _bfd_delete_bfd PARAMS ((bfd *)); |
252b5132 RH |
116 | |
117 | boolean bfd_false PARAMS ((bfd *ignore)); | |
118 | boolean bfd_true PARAMS ((bfd *ignore)); | |
119 | PTR bfd_nullvoidptr PARAMS ((bfd *ignore)); | |
120 | int bfd_0 PARAMS ((bfd *ignore)); | |
121 | unsigned int bfd_0u PARAMS ((bfd *ignore)); | |
122 | long bfd_0l PARAMS ((bfd *ignore)); | |
123 | long _bfd_n1 PARAMS ((bfd *ignore)); | |
124 | void bfd_void PARAMS ((bfd *ignore)); | |
125 | ||
126 | bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *)); | |
127 | const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd)); | |
128 | ||
52b219b5 | 129 | void bfd_dont_truncate_arname PARAMS ((bfd *abfd, const char *filename, |
252b5132 | 130 | char *hdr)); |
52b219b5 | 131 | void bfd_bsd_truncate_arname PARAMS ((bfd *abfd, const char *filename, |
252b5132 | 132 | char *hdr)); |
52b219b5 | 133 | void bfd_gnu_truncate_arname PARAMS ((bfd *abfd, const char *filename, |
252b5132 RH |
134 | char *hdr)); |
135 | ||
136 | boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength, | |
137 | struct orl *map, unsigned int orl_count, int stridx)); | |
138 | ||
139 | boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength, | |
140 | struct orl *map, unsigned int orl_count, int stridx)); | |
141 | ||
142 | extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *)); | |
143 | ||
144 | extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *)); | |
145 | ||
146 | bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive, | |
147 | bfd *last_file)); | |
148 | ||
149 | int bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *)); | |
150 | ||
151 | #define _bfd_read_ar_hdr(abfd) \ | |
152 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
153 | \f | |
154 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
155 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
156 | ||
157 | #define _bfd_generic_close_and_cleanup bfd_true | |
158 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
159 | #define _bfd_generic_new_section_hook \ | |
160 | ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true) | |
161 | extern boolean _bfd_generic_get_section_contents | |
dc810e39 | 162 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); |
252b5132 RH |
163 | extern boolean _bfd_generic_get_section_contents_in_window |
164 | PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type)); | |
165 | ||
166 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
167 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
168 | ||
169 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
170 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) | |
171 | #define _bfd_generic_bfd_merge_private_bfd_data \ | |
172 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) | |
173 | #define _bfd_generic_bfd_set_private_flags \ | |
174 | ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true) | |
175 | #define _bfd_generic_bfd_copy_private_section_data \ | |
176 | ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true) | |
177 | #define _bfd_generic_bfd_copy_private_symbol_data \ | |
178 | ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true) | |
179 | #define _bfd_generic_bfd_print_private_bfd_data \ | |
180 | ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true) | |
181 | ||
182 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file | |
183 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
184 | ||
185 | extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *)); | |
186 | extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *)); | |
187 | extern boolean _bfd_nocore_core_file_matches_executable_p | |
188 | PARAMS ((bfd *, bfd *)); | |
189 | ||
190 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
191 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
192 | ||
193 | #define _bfd_noarchive_slurp_armap bfd_false | |
194 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
195 | #define _bfd_noarchive_construct_extended_name_table \ | |
196 | ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \ | |
197 | bfd_false) | |
198 | #define _bfd_noarchive_truncate_arname \ | |
199 | ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void) | |
200 | #define _bfd_noarchive_write_armap \ | |
201 | ((boolean (*) \ | |
202 | PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \ | |
203 | bfd_false) | |
204 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
205 | #define _bfd_noarchive_openr_next_archived_file \ | |
206 | ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr) | |
207 | #define _bfd_noarchive_get_elt_at_index \ | |
208 | ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr) | |
209 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
210 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
211 | ||
212 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
213 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
214 | ||
215 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
216 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
217 | _bfd_slurp_extended_name_table | |
218 | extern boolean _bfd_archive_bsd_construct_extended_name_table | |
219 | PARAMS ((bfd *, char **, bfd_size_type *, const char **)); | |
220 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname | |
221 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
222 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
223 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
224 | bfd_generic_openr_next_archived_file | |
225 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
226 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
227 | bfd_generic_stat_arch_elt | |
228 | extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *)); | |
229 | ||
230 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
231 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
232 | ||
233 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
234 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
235 | _bfd_slurp_extended_name_table | |
236 | extern boolean _bfd_archive_coff_construct_extended_name_table | |
237 | PARAMS ((bfd *, char **, bfd_size_type *, const char **)); | |
238 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname | |
239 | #define _bfd_archive_coff_write_armap coff_write_armap | |
240 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
241 | #define _bfd_archive_coff_openr_next_archived_file \ | |
242 | bfd_generic_openr_next_archived_file | |
243 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
244 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
245 | bfd_generic_stat_arch_elt | |
246 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
247 | ||
248 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
249 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
250 | ||
251 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
252 | #define _bfd_nosymbols_get_symtab \ | |
253 | ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1) | |
254 | #define _bfd_nosymbols_make_empty_symbol \ | |
255 | ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr) | |
256 | #define _bfd_nosymbols_print_symbol \ | |
257 | ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void) | |
258 | #define _bfd_nosymbols_get_symbol_info \ | |
259 | ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void) | |
260 | #define _bfd_nosymbols_bfd_is_local_label_name \ | |
261 | ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false) | |
262 | #define _bfd_nosymbols_get_lineno \ | |
263 | ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr) | |
264 | #define _bfd_nosymbols_find_nearest_line \ | |
265 | ((boolean (*) \ | |
266 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \ | |
267 | const char **, unsigned int *))) \ | |
268 | bfd_false) | |
269 | #define _bfd_nosymbols_bfd_make_debug_symbol \ | |
270 | ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr) | |
271 | #define _bfd_nosymbols_read_minisymbols \ | |
272 | ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1) | |
273 | #define _bfd_nosymbols_minisymbol_to_symbol \ | |
274 | ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \ | |
275 | bfd_nullvoidptr) | |
276 | ||
277 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
278 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
279 | ||
280 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
281 | ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1) | |
282 | #define _bfd_norelocs_canonicalize_reloc \ | |
283 | ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1) | |
284 | #define _bfd_norelocs_bfd_reloc_type_lookup \ | |
285 | ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \ | |
286 | bfd_nullvoidptr) | |
287 | ||
288 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
289 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
290 | ||
291 | #define _bfd_nowrite_set_arch_mach \ | |
292 | ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \ | |
293 | bfd_false) | |
294 | #define _bfd_nowrite_set_section_contents \ | |
295 | ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \ | |
296 | bfd_false) | |
297 | ||
298 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
299 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
300 | ||
301 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
302 | extern boolean _bfd_generic_set_section_contents | |
303 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
304 | ||
305 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
306 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
307 | ||
308 | #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0) | |
309 | #define _bfd_nolink_bfd_get_relocated_section_contents \ | |
310 | ((bfd_byte *(*) \ | |
311 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \ | |
312 | bfd_byte *, boolean, asymbol **))) \ | |
313 | bfd_nullvoidptr) | |
314 | #define _bfd_nolink_bfd_relax_section \ | |
315 | ((boolean (*) \ | |
316 | PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \ | |
317 | bfd_false) | |
318 | #define _bfd_nolink_bfd_gc_sections \ | |
319 | ((boolean (*) \ | |
320 | PARAMS ((bfd *, struct bfd_link_info *))) \ | |
321 | bfd_false) | |
8550eb6e JJ |
322 | #define _bfd_nolink_bfd_merge_sections \ |
323 | ((boolean (*) \ | |
324 | PARAMS ((bfd *, struct bfd_link_info *))) \ | |
325 | bfd_false) | |
252b5132 RH |
326 | #define _bfd_nolink_bfd_link_hash_table_create \ |
327 | ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr) | |
328 | #define _bfd_nolink_bfd_link_add_symbols \ | |
329 | ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false) | |
330 | #define _bfd_nolink_bfd_final_link \ | |
331 | ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false) | |
332 | #define _bfd_nolink_bfd_link_split_section \ | |
333 | ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false) | |
334 | ||
335 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
336 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
337 | (_bfd_nodynamic). */ | |
338 | ||
339 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
340 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
341 | ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1) | |
342 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 | |
343 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
344 | ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1) | |
345 | \f | |
346 | /* Generic routine to determine of the given symbol is a local | |
347 | label. */ | |
348 | extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *)); | |
349 | ||
350 | /* Generic minisymbol routines. */ | |
351 | extern long _bfd_generic_read_minisymbols | |
352 | PARAMS ((bfd *, boolean, PTR *, unsigned int *)); | |
353 | extern asymbol *_bfd_generic_minisymbol_to_symbol | |
354 | PARAMS ((bfd *, boolean, const PTR, asymbol *)); | |
355 | ||
356 | /* Find the nearest line using .stab/.stabstr sections. */ | |
357 | extern boolean _bfd_stab_section_find_nearest_line | |
358 | PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **, | |
359 | const char **, unsigned int *, PTR *)); | |
360 | ||
361 | /* Find the neaderst line using DWARF 1 debugging information. */ | |
362 | extern boolean _bfd_dwarf1_find_nearest_line | |
363 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, | |
364 | const char **, unsigned int *)); | |
365 | ||
366 | /* Find the nearest line using DWARF 2 debugging information. */ | |
367 | extern boolean _bfd_dwarf2_find_nearest_line | |
368 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, | |
51db3708 NC |
369 | const char **, unsigned int *, unsigned int, |
370 | PTR *)); | |
252b5132 | 371 | |
73e87d70 AM |
372 | /* Create a new section entry. */ |
373 | extern struct bfd_hash_entry *bfd_section_hash_newfunc | |
374 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
375 | ||
252b5132 RH |
376 | /* A routine to create entries for a bfd_link_hash_table. */ |
377 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
378 | PARAMS ((struct bfd_hash_entry *entry, | |
379 | struct bfd_hash_table *table, | |
380 | const char *string)); | |
381 | ||
382 | /* Initialize a bfd_link_hash_table. */ | |
383 | extern boolean _bfd_link_hash_table_init | |
384 | PARAMS ((struct bfd_link_hash_table *, bfd *, | |
385 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
386 | struct bfd_hash_table *, | |
387 | const char *))); | |
388 | ||
389 | /* Generic link hash table creation routine. */ | |
390 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
391 | PARAMS ((bfd *)); | |
392 | ||
393 | /* Generic add symbol routine. */ | |
394 | extern boolean _bfd_generic_link_add_symbols | |
395 | PARAMS ((bfd *, struct bfd_link_info *)); | |
396 | ||
397 | /* Generic add symbol routine. This version is used by targets for | |
398 | which the linker must collect constructors and destructors by name, | |
399 | as the collect2 program does. */ | |
400 | extern boolean _bfd_generic_link_add_symbols_collect | |
401 | PARAMS ((bfd *, struct bfd_link_info *)); | |
402 | ||
403 | /* Generic archive add symbol routine. */ | |
404 | extern boolean _bfd_generic_link_add_archive_symbols | |
405 | PARAMS ((bfd *, struct bfd_link_info *, | |
406 | boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *))); | |
407 | ||
408 | ||
409 | ||
410 | /* Forward declaration to avoid prototype errors. */ | |
411 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
412 | ||
413 | /* Generic routine to add a single symbol. */ | |
414 | extern boolean _bfd_generic_link_add_one_symbol | |
415 | PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword, | |
416 | asection *, bfd_vma, const char *, boolean copy, | |
417 | boolean constructor, struct bfd_link_hash_entry **)); | |
418 | ||
419 | /* Generic link routine. */ | |
420 | extern boolean _bfd_generic_final_link | |
421 | PARAMS ((bfd *, struct bfd_link_info *)); | |
422 | ||
423 | extern boolean _bfd_generic_link_split_section | |
424 | PARAMS ((bfd *, struct sec *)); | |
425 | ||
426 | /* Generic reloc_link_order processing routine. */ | |
427 | extern boolean _bfd_generic_reloc_link_order | |
428 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
429 | struct bfd_link_order *)); | |
430 | ||
431 | /* Default link order processing routine. */ | |
432 | extern boolean _bfd_default_link_order | |
433 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
434 | struct bfd_link_order *)); | |
435 | ||
436 | /* Count the number of reloc entries in a link order list. */ | |
437 | extern unsigned int _bfd_count_link_order_relocs | |
438 | PARAMS ((struct bfd_link_order *)); | |
439 | ||
440 | /* Final link relocation routine. */ | |
441 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
442 | PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, | |
dc810e39 | 443 | bfd_vma, bfd_vma, bfd_vma)); |
252b5132 RH |
444 | |
445 | /* Relocate a particular location by a howto and a value. */ | |
446 | extern bfd_reloc_status_type _bfd_relocate_contents | |
447 | PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *)); | |
448 | ||
449 | /* Link stabs in sections in the first pass. */ | |
450 | ||
451 | extern boolean _bfd_link_section_stabs | |
452 | PARAMS ((bfd *, PTR *, asection *, asection *, PTR *)); | |
453 | ||
73d074b4 DJ |
454 | /* Eliminate stabs for discarded functions and symbols. */ |
455 | extern boolean _bfd_discard_section_stabs | |
456 | PARAMS ((bfd *, asection *, PTR, | |
457 | boolean (*) (bfd_vma, PTR), PTR)); | |
458 | ||
252b5132 RH |
459 | /* Write out the .stab section when linking stabs in sections. */ |
460 | ||
461 | extern boolean _bfd_write_section_stabs | |
462 | PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *)); | |
463 | ||
464 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
465 | ||
466 | extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *)); | |
467 | ||
468 | /* Find an offset within a .stab section when linking stabs in | |
469 | sections. */ | |
470 | ||
471 | extern bfd_vma _bfd_stab_section_offset | |
472 | PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma)); | |
473 | ||
f5fa8ca2 JJ |
474 | /* Attempt to merge a SEC_MERGE section. */ |
475 | ||
476 | extern boolean _bfd_merge_section | |
477 | PARAMS ((bfd *, PTR *, asection *, PTR *)); | |
478 | ||
8550eb6e JJ |
479 | /* Attempt to merge SEC_MERGE sections. */ |
480 | ||
481 | extern boolean _bfd_merge_sections | |
482 | PARAMS ((bfd *, PTR)); | |
483 | ||
f5fa8ca2 JJ |
484 | /* Write out a merged section. */ |
485 | ||
486 | extern boolean _bfd_write_merged_section | |
487 | PARAMS ((bfd *, asection *, PTR)); | |
488 | ||
489 | /* Find an offset within a modified SEC_MERGE section. */ | |
490 | ||
491 | extern bfd_vma _bfd_merged_section_offset | |
492 | PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma)); | |
493 | ||
252b5132 RH |
494 | /* Create a string table. */ |
495 | extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void)); | |
496 | ||
497 | /* Create an XCOFF .debug section style string table. */ | |
498 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void)); | |
499 | ||
500 | /* Free a string table. */ | |
501 | extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *)); | |
502 | ||
503 | /* Get the size of a string table. */ | |
504 | extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *)); | |
505 | ||
506 | /* Add a string to a string table. */ | |
507 | extern bfd_size_type _bfd_stringtab_add | |
508 | PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash, | |
509 | boolean copy)); | |
510 | ||
511 | /* Write out a string table. */ | |
512 | extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *)); | |
875f7f69 JR |
513 | |
514 | /* Check that endianness of input and output file match. */ | |
515 | extern boolean _bfd_generic_verify_endian_match PARAMS ((bfd *, bfd *)); | |
252b5132 RH |
516 | \f |
517 | /* Macros to tell if bfds are read or write enabled. | |
518 | ||
519 | Note that bfds open for read may be scribbled into if the fd passed | |
520 | to bfd_fdopenr is actually open both for read and write | |
521 | simultaneously. However an output bfd will never be open for | |
522 | read. Therefore sometimes you want to check bfd_read_p or | |
523 | !bfd_read_p, and only sometimes bfd_write_p. | |
524 | */ | |
525 | ||
526 | #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
527 | #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
528 | ||
529 | void bfd_assert PARAMS ((const char*,int)); | |
530 | ||
531 | #define BFD_ASSERT(x) \ | |
532 | { if (!(x)) bfd_assert(__FILE__,__LINE__); } | |
533 | ||
534 | #define BFD_FAIL() \ | |
535 | { bfd_assert(__FILE__,__LINE__); } | |
536 | ||
c0bed66d ILT |
537 | extern void _bfd_abort PARAMS ((const char *, int, const char *)) |
538 | ATTRIBUTE_NORETURN; | |
539 | ||
a1934524 AM |
540 | /* if gcc >= 2.6, we can give a function name, too */ |
541 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
542 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
543 | #endif | |
544 | ||
545 | #undef abort | |
546 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
547 | ||
252b5132 RH |
548 | FILE * bfd_cache_lookup_worker PARAMS ((bfd *)); |
549 | ||
550 | extern bfd *bfd_last_cache; | |
551 | ||
552 | /* List of supported target vectors, and the default vector (if | |
553 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 554 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
555 | extern const bfd_target *bfd_default_vector[]; |
556 | ||
557 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no | |
558 | other common header files. */ | |
559 | ||
560 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
561 | struct ecoff_find_line; | |
562 | #endif | |
563 | ||
564 | extern boolean _bfd_ecoff_locate_line | |
565 | PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, | |
566 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
567 | const char **, const char **, unsigned int *)); | |
568 | extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *)); | |
569 | extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *)); | |
570 | extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *)); | |
571 | ||
572 | extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *)); | |
573 | extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma)); | |
574 | ||
575 | /* Function shared by the COFF and ELF SH backends, which have no | |
576 | other common header files. */ | |
577 | ||
578 | extern boolean _bfd_sh_align_load_span | |
579 | PARAMS ((bfd *, asection *, bfd_byte *, | |
580 | boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma), | |
581 | PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *)); | |
582 | ||
583 | /* And more follows */ | |
584 |