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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)); | |
115 | ||
116 | boolean bfd_false PARAMS ((bfd *ignore)); | |
117 | boolean bfd_true PARAMS ((bfd *ignore)); | |
118 | PTR bfd_nullvoidptr PARAMS ((bfd *ignore)); | |
119 | int bfd_0 PARAMS ((bfd *ignore)); | |
120 | unsigned int bfd_0u PARAMS ((bfd *ignore)); | |
121 | long bfd_0l PARAMS ((bfd *ignore)); | |
122 | long _bfd_n1 PARAMS ((bfd *ignore)); | |
123 | void bfd_void PARAMS ((bfd *ignore)); | |
124 | ||
125 | bfd *_bfd_new_bfd_contained_in PARAMS ((bfd *)); | |
126 | const bfd_target *_bfd_dummy_target PARAMS ((bfd *abfd)); | |
127 | ||
52b219b5 | 128 | void bfd_dont_truncate_arname PARAMS ((bfd *abfd, const char *filename, |
252b5132 | 129 | char *hdr)); |
52b219b5 | 130 | void bfd_bsd_truncate_arname PARAMS ((bfd *abfd, const char *filename, |
252b5132 | 131 | char *hdr)); |
52b219b5 | 132 | void bfd_gnu_truncate_arname PARAMS ((bfd *abfd, const char *filename, |
252b5132 RH |
133 | char *hdr)); |
134 | ||
135 | boolean bsd_write_armap PARAMS ((bfd *arch, unsigned int elength, | |
136 | struct orl *map, unsigned int orl_count, int stridx)); | |
137 | ||
138 | boolean coff_write_armap PARAMS ((bfd *arch, unsigned int elength, | |
139 | struct orl *map, unsigned int orl_count, int stridx)); | |
140 | ||
141 | extern PTR _bfd_generic_read_ar_hdr PARAMS ((bfd *)); | |
142 | ||
143 | extern PTR _bfd_generic_read_ar_hdr_mag PARAMS ((bfd *, const char *)); | |
144 | ||
145 | bfd * bfd_generic_openr_next_archived_file PARAMS ((bfd *archive, | |
146 | bfd *last_file)); | |
147 | ||
148 | int bfd_generic_stat_arch_elt PARAMS ((bfd *, struct stat *)); | |
149 | ||
150 | #define _bfd_read_ar_hdr(abfd) \ | |
151 | BFD_SEND (abfd, _bfd_read_ar_hdr_fn, (abfd)) | |
152 | \f | |
153 | /* Generic routines to use for BFD_JUMP_TABLE_GENERIC. Use | |
154 | BFD_JUMP_TABLE_GENERIC (_bfd_generic). */ | |
155 | ||
156 | #define _bfd_generic_close_and_cleanup bfd_true | |
157 | #define _bfd_generic_bfd_free_cached_info bfd_true | |
158 | #define _bfd_generic_new_section_hook \ | |
159 | ((boolean (*) PARAMS ((bfd *, asection *))) bfd_true) | |
160 | extern boolean _bfd_generic_get_section_contents | |
dc810e39 | 161 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); |
252b5132 RH |
162 | extern boolean _bfd_generic_get_section_contents_in_window |
163 | PARAMS ((bfd *, asection *, bfd_window *, file_ptr, bfd_size_type)); | |
164 | ||
165 | /* Generic routines to use for BFD_JUMP_TABLE_COPY. Use | |
166 | BFD_JUMP_TABLE_COPY (_bfd_generic). */ | |
167 | ||
168 | #define _bfd_generic_bfd_copy_private_bfd_data \ | |
169 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) | |
170 | #define _bfd_generic_bfd_merge_private_bfd_data \ | |
171 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) | |
172 | #define _bfd_generic_bfd_set_private_flags \ | |
173 | ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true) | |
174 | #define _bfd_generic_bfd_copy_private_section_data \ | |
175 | ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true) | |
176 | #define _bfd_generic_bfd_copy_private_symbol_data \ | |
177 | ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true) | |
178 | #define _bfd_generic_bfd_print_private_bfd_data \ | |
179 | ((boolean (*) PARAMS ((bfd *, PTR))) bfd_true) | |
180 | ||
181 | /* Routines to use for BFD_JUMP_TABLE_CORE when there is no core file | |
182 | support. Use BFD_JUMP_TABLE_CORE (_bfd_nocore). */ | |
183 | ||
184 | extern char *_bfd_nocore_core_file_failing_command PARAMS ((bfd *)); | |
185 | extern int _bfd_nocore_core_file_failing_signal PARAMS ((bfd *)); | |
186 | extern boolean _bfd_nocore_core_file_matches_executable_p | |
187 | PARAMS ((bfd *, bfd *)); | |
188 | ||
189 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE when there is no archive | |
190 | file support. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive). */ | |
191 | ||
192 | #define _bfd_noarchive_slurp_armap bfd_false | |
193 | #define _bfd_noarchive_slurp_extended_name_table bfd_false | |
194 | #define _bfd_noarchive_construct_extended_name_table \ | |
195 | ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \ | |
196 | bfd_false) | |
197 | #define _bfd_noarchive_truncate_arname \ | |
198 | ((void (*) PARAMS ((bfd *, const char *, char *))) bfd_void) | |
199 | #define _bfd_noarchive_write_armap \ | |
200 | ((boolean (*) \ | |
201 | PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int))) \ | |
202 | bfd_false) | |
203 | #define _bfd_noarchive_read_ar_hdr bfd_nullvoidptr | |
204 | #define _bfd_noarchive_openr_next_archived_file \ | |
205 | ((bfd *(*) PARAMS ((bfd *, bfd *))) bfd_nullvoidptr) | |
206 | #define _bfd_noarchive_get_elt_at_index \ | |
207 | ((bfd *(*) PARAMS ((bfd *, symindex))) bfd_nullvoidptr) | |
208 | #define _bfd_noarchive_generic_stat_arch_elt bfd_generic_stat_arch_elt | |
209 | #define _bfd_noarchive_update_armap_timestamp bfd_false | |
210 | ||
211 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get BSD style | |
212 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd). */ | |
213 | ||
214 | #define _bfd_archive_bsd_slurp_armap bfd_slurp_bsd_armap | |
215 | #define _bfd_archive_bsd_slurp_extended_name_table \ | |
216 | _bfd_slurp_extended_name_table | |
217 | extern boolean _bfd_archive_bsd_construct_extended_name_table | |
218 | PARAMS ((bfd *, char **, bfd_size_type *, const char **)); | |
219 | #define _bfd_archive_bsd_truncate_arname bfd_bsd_truncate_arname | |
220 | #define _bfd_archive_bsd_write_armap bsd_write_armap | |
221 | #define _bfd_archive_bsd_read_ar_hdr _bfd_generic_read_ar_hdr | |
222 | #define _bfd_archive_bsd_openr_next_archived_file \ | |
223 | bfd_generic_openr_next_archived_file | |
224 | #define _bfd_archive_bsd_get_elt_at_index _bfd_generic_get_elt_at_index | |
225 | #define _bfd_archive_bsd_generic_stat_arch_elt \ | |
226 | bfd_generic_stat_arch_elt | |
227 | extern boolean _bfd_archive_bsd_update_armap_timestamp PARAMS ((bfd *)); | |
228 | ||
229 | /* Routines to use for BFD_JUMP_TABLE_ARCHIVE to get COFF style | |
230 | archives. Use BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff). */ | |
231 | ||
232 | #define _bfd_archive_coff_slurp_armap bfd_slurp_coff_armap | |
233 | #define _bfd_archive_coff_slurp_extended_name_table \ | |
234 | _bfd_slurp_extended_name_table | |
235 | extern boolean _bfd_archive_coff_construct_extended_name_table | |
236 | PARAMS ((bfd *, char **, bfd_size_type *, const char **)); | |
237 | #define _bfd_archive_coff_truncate_arname bfd_dont_truncate_arname | |
238 | #define _bfd_archive_coff_write_armap coff_write_armap | |
239 | #define _bfd_archive_coff_read_ar_hdr _bfd_generic_read_ar_hdr | |
240 | #define _bfd_archive_coff_openr_next_archived_file \ | |
241 | bfd_generic_openr_next_archived_file | |
242 | #define _bfd_archive_coff_get_elt_at_index _bfd_generic_get_elt_at_index | |
243 | #define _bfd_archive_coff_generic_stat_arch_elt \ | |
244 | bfd_generic_stat_arch_elt | |
245 | #define _bfd_archive_coff_update_armap_timestamp bfd_true | |
246 | ||
247 | /* Routines to use for BFD_JUMP_TABLE_SYMBOLS where there is no symbol | |
248 | support. Use BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols). */ | |
249 | ||
250 | #define _bfd_nosymbols_get_symtab_upper_bound _bfd_n1 | |
251 | #define _bfd_nosymbols_get_symtab \ | |
252 | ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1) | |
253 | #define _bfd_nosymbols_make_empty_symbol \ | |
254 | ((asymbol *(*) PARAMS ((bfd *))) bfd_nullvoidptr) | |
255 | #define _bfd_nosymbols_print_symbol \ | |
256 | ((void (*) PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type))) bfd_void) | |
257 | #define _bfd_nosymbols_get_symbol_info \ | |
258 | ((void (*) PARAMS ((bfd *, asymbol *, symbol_info *))) bfd_void) | |
259 | #define _bfd_nosymbols_bfd_is_local_label_name \ | |
260 | ((boolean (*) PARAMS ((bfd *, const char *))) bfd_false) | |
261 | #define _bfd_nosymbols_get_lineno \ | |
262 | ((alent *(*) PARAMS ((bfd *, asymbol *))) bfd_nullvoidptr) | |
263 | #define _bfd_nosymbols_find_nearest_line \ | |
264 | ((boolean (*) \ | |
265 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, \ | |
266 | const char **, unsigned int *))) \ | |
267 | bfd_false) | |
268 | #define _bfd_nosymbols_bfd_make_debug_symbol \ | |
269 | ((asymbol *(*) PARAMS ((bfd *, PTR, unsigned long))) bfd_nullvoidptr) | |
270 | #define _bfd_nosymbols_read_minisymbols \ | |
271 | ((long (*) PARAMS ((bfd *, boolean, PTR *, unsigned int *))) _bfd_n1) | |
272 | #define _bfd_nosymbols_minisymbol_to_symbol \ | |
273 | ((asymbol *(*) PARAMS ((bfd *, boolean, const PTR, asymbol *))) \ | |
274 | bfd_nullvoidptr) | |
275 | ||
276 | /* Routines to use for BFD_JUMP_TABLE_RELOCS when there is no reloc | |
277 | support. Use BFD_JUMP_TABLE_RELOCS (_bfd_norelocs). */ | |
278 | ||
279 | #define _bfd_norelocs_get_reloc_upper_bound \ | |
280 | ((long (*) PARAMS ((bfd *, asection *))) _bfd_n1) | |
281 | #define _bfd_norelocs_canonicalize_reloc \ | |
282 | ((long (*) PARAMS ((bfd *, asection *, arelent **, asymbol **))) _bfd_n1) | |
283 | #define _bfd_norelocs_bfd_reloc_type_lookup \ | |
284 | ((reloc_howto_type *(*) PARAMS ((bfd *, bfd_reloc_code_real_type))) \ | |
285 | bfd_nullvoidptr) | |
286 | ||
287 | /* Routines to use for BFD_JUMP_TABLE_WRITE for targets which may not | |
288 | be written. Use BFD_JUMP_TABLE_WRITE (_bfd_nowrite). */ | |
289 | ||
290 | #define _bfd_nowrite_set_arch_mach \ | |
291 | ((boolean (*) PARAMS ((bfd *, enum bfd_architecture, unsigned long))) \ | |
292 | bfd_false) | |
293 | #define _bfd_nowrite_set_section_contents \ | |
294 | ((boolean (*) PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type))) \ | |
295 | bfd_false) | |
296 | ||
297 | /* Generic routines to use for BFD_JUMP_TABLE_WRITE. Use | |
298 | BFD_JUMP_TABLE_WRITE (_bfd_generic). */ | |
299 | ||
300 | #define _bfd_generic_set_arch_mach bfd_default_set_arch_mach | |
301 | extern boolean _bfd_generic_set_section_contents | |
302 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
303 | ||
304 | /* Routines to use for BFD_JUMP_TABLE_LINK for targets which do not | |
305 | support linking. Use BFD_JUMP_TABLE_LINK (_bfd_nolink). */ | |
306 | ||
307 | #define _bfd_nolink_sizeof_headers ((int (*) PARAMS ((bfd *, boolean))) bfd_0) | |
308 | #define _bfd_nolink_bfd_get_relocated_section_contents \ | |
309 | ((bfd_byte *(*) \ | |
310 | PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *, \ | |
311 | bfd_byte *, boolean, asymbol **))) \ | |
312 | bfd_nullvoidptr) | |
313 | #define _bfd_nolink_bfd_relax_section \ | |
314 | ((boolean (*) \ | |
315 | PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *))) \ | |
316 | bfd_false) | |
317 | #define _bfd_nolink_bfd_gc_sections \ | |
318 | ((boolean (*) \ | |
319 | PARAMS ((bfd *, struct bfd_link_info *))) \ | |
320 | bfd_false) | |
8550eb6e JJ |
321 | #define _bfd_nolink_bfd_merge_sections \ |
322 | ((boolean (*) \ | |
323 | PARAMS ((bfd *, struct bfd_link_info *))) \ | |
324 | bfd_false) | |
252b5132 RH |
325 | #define _bfd_nolink_bfd_link_hash_table_create \ |
326 | ((struct bfd_link_hash_table *(*) PARAMS ((bfd *))) bfd_nullvoidptr) | |
327 | #define _bfd_nolink_bfd_link_add_symbols \ | |
328 | ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false) | |
329 | #define _bfd_nolink_bfd_final_link \ | |
330 | ((boolean (*) PARAMS ((bfd *, struct bfd_link_info *))) bfd_false) | |
331 | #define _bfd_nolink_bfd_link_split_section \ | |
332 | ((boolean (*) PARAMS ((bfd *, struct sec *))) bfd_false) | |
333 | ||
334 | /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not | |
335 | have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC | |
336 | (_bfd_nodynamic). */ | |
337 | ||
338 | #define _bfd_nodynamic_get_dynamic_symtab_upper_bound _bfd_n1 | |
339 | #define _bfd_nodynamic_canonicalize_dynamic_symtab \ | |
340 | ((long (*) PARAMS ((bfd *, asymbol **))) _bfd_n1) | |
341 | #define _bfd_nodynamic_get_dynamic_reloc_upper_bound _bfd_n1 | |
342 | #define _bfd_nodynamic_canonicalize_dynamic_reloc \ | |
343 | ((long (*) PARAMS ((bfd *, arelent **, asymbol **))) _bfd_n1) | |
344 | \f | |
345 | /* Generic routine to determine of the given symbol is a local | |
346 | label. */ | |
347 | extern boolean bfd_generic_is_local_label_name PARAMS ((bfd *, const char *)); | |
348 | ||
349 | /* Generic minisymbol routines. */ | |
350 | extern long _bfd_generic_read_minisymbols | |
351 | PARAMS ((bfd *, boolean, PTR *, unsigned int *)); | |
352 | extern asymbol *_bfd_generic_minisymbol_to_symbol | |
353 | PARAMS ((bfd *, boolean, const PTR, asymbol *)); | |
354 | ||
355 | /* Find the nearest line using .stab/.stabstr sections. */ | |
356 | extern boolean _bfd_stab_section_find_nearest_line | |
357 | PARAMS ((bfd *, asymbol **, asection *, bfd_vma, boolean *, const char **, | |
358 | const char **, unsigned int *, PTR *)); | |
359 | ||
360 | /* Find the neaderst line using DWARF 1 debugging information. */ | |
361 | extern boolean _bfd_dwarf1_find_nearest_line | |
362 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, | |
363 | const char **, unsigned int *)); | |
364 | ||
365 | /* Find the nearest line using DWARF 2 debugging information. */ | |
366 | extern boolean _bfd_dwarf2_find_nearest_line | |
367 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, | |
51db3708 NC |
368 | const char **, unsigned int *, unsigned int, |
369 | PTR *)); | |
252b5132 RH |
370 | |
371 | /* A routine to create entries for a bfd_link_hash_table. */ | |
372 | extern struct bfd_hash_entry *_bfd_link_hash_newfunc | |
373 | PARAMS ((struct bfd_hash_entry *entry, | |
374 | struct bfd_hash_table *table, | |
375 | const char *string)); | |
376 | ||
377 | /* Initialize a bfd_link_hash_table. */ | |
378 | extern boolean _bfd_link_hash_table_init | |
379 | PARAMS ((struct bfd_link_hash_table *, bfd *, | |
380 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
381 | struct bfd_hash_table *, | |
382 | const char *))); | |
383 | ||
384 | /* Generic link hash table creation routine. */ | |
385 | extern struct bfd_link_hash_table *_bfd_generic_link_hash_table_create | |
386 | PARAMS ((bfd *)); | |
387 | ||
388 | /* Generic add symbol routine. */ | |
389 | extern boolean _bfd_generic_link_add_symbols | |
390 | PARAMS ((bfd *, struct bfd_link_info *)); | |
391 | ||
392 | /* Generic add symbol routine. This version is used by targets for | |
393 | which the linker must collect constructors and destructors by name, | |
394 | as the collect2 program does. */ | |
395 | extern boolean _bfd_generic_link_add_symbols_collect | |
396 | PARAMS ((bfd *, struct bfd_link_info *)); | |
397 | ||
398 | /* Generic archive add symbol routine. */ | |
399 | extern boolean _bfd_generic_link_add_archive_symbols | |
400 | PARAMS ((bfd *, struct bfd_link_info *, | |
401 | boolean (*checkfn) (bfd *, struct bfd_link_info *, boolean *))); | |
402 | ||
403 | ||
404 | ||
405 | /* Forward declaration to avoid prototype errors. */ | |
406 | typedef struct bfd_link_hash_entry _bfd_link_hash_entry; | |
407 | ||
408 | /* Generic routine to add a single symbol. */ | |
409 | extern boolean _bfd_generic_link_add_one_symbol | |
410 | PARAMS ((struct bfd_link_info *, bfd *, const char *name, flagword, | |
411 | asection *, bfd_vma, const char *, boolean copy, | |
412 | boolean constructor, struct bfd_link_hash_entry **)); | |
413 | ||
414 | /* Generic link routine. */ | |
415 | extern boolean _bfd_generic_final_link | |
416 | PARAMS ((bfd *, struct bfd_link_info *)); | |
417 | ||
418 | extern boolean _bfd_generic_link_split_section | |
419 | PARAMS ((bfd *, struct sec *)); | |
420 | ||
421 | /* Generic reloc_link_order processing routine. */ | |
422 | extern boolean _bfd_generic_reloc_link_order | |
423 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
424 | struct bfd_link_order *)); | |
425 | ||
426 | /* Default link order processing routine. */ | |
427 | extern boolean _bfd_default_link_order | |
428 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
429 | struct bfd_link_order *)); | |
430 | ||
431 | /* Count the number of reloc entries in a link order list. */ | |
432 | extern unsigned int _bfd_count_link_order_relocs | |
433 | PARAMS ((struct bfd_link_order *)); | |
434 | ||
435 | /* Final link relocation routine. */ | |
436 | extern bfd_reloc_status_type _bfd_final_link_relocate | |
437 | PARAMS ((reloc_howto_type *, bfd *, asection *, bfd_byte *, | |
dc810e39 | 438 | bfd_vma, bfd_vma, bfd_vma)); |
252b5132 RH |
439 | |
440 | /* Relocate a particular location by a howto and a value. */ | |
441 | extern bfd_reloc_status_type _bfd_relocate_contents | |
442 | PARAMS ((reloc_howto_type *, bfd *, bfd_vma, bfd_byte *)); | |
443 | ||
444 | /* Link stabs in sections in the first pass. */ | |
445 | ||
446 | extern boolean _bfd_link_section_stabs | |
447 | PARAMS ((bfd *, PTR *, asection *, asection *, PTR *)); | |
448 | ||
73d074b4 DJ |
449 | /* Eliminate stabs for discarded functions and symbols. */ |
450 | extern boolean _bfd_discard_section_stabs | |
451 | PARAMS ((bfd *, asection *, PTR, | |
452 | boolean (*) (bfd_vma, PTR), PTR)); | |
453 | ||
252b5132 RH |
454 | /* Write out the .stab section when linking stabs in sections. */ |
455 | ||
456 | extern boolean _bfd_write_section_stabs | |
457 | PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_byte *)); | |
458 | ||
459 | /* Write out the .stabstr string table when linking stabs in sections. */ | |
460 | ||
461 | extern boolean _bfd_write_stab_strings PARAMS ((bfd *, PTR *)); | |
462 | ||
463 | /* Find an offset within a .stab section when linking stabs in | |
464 | sections. */ | |
465 | ||
466 | extern bfd_vma _bfd_stab_section_offset | |
467 | PARAMS ((bfd *, PTR *, asection *, PTR *, bfd_vma)); | |
468 | ||
f5fa8ca2 JJ |
469 | /* Attempt to merge a SEC_MERGE section. */ |
470 | ||
471 | extern boolean _bfd_merge_section | |
472 | PARAMS ((bfd *, PTR *, asection *, PTR *)); | |
473 | ||
8550eb6e JJ |
474 | /* Attempt to merge SEC_MERGE sections. */ |
475 | ||
476 | extern boolean _bfd_merge_sections | |
477 | PARAMS ((bfd *, PTR)); | |
478 | ||
f5fa8ca2 JJ |
479 | /* Write out a merged section. */ |
480 | ||
481 | extern boolean _bfd_write_merged_section | |
482 | PARAMS ((bfd *, asection *, PTR)); | |
483 | ||
484 | /* Find an offset within a modified SEC_MERGE section. */ | |
485 | ||
486 | extern bfd_vma _bfd_merged_section_offset | |
487 | PARAMS ((bfd *, asection **, PTR, bfd_vma, bfd_vma)); | |
488 | ||
252b5132 RH |
489 | /* Create a string table. */ |
490 | extern struct bfd_strtab_hash *_bfd_stringtab_init PARAMS ((void)); | |
491 | ||
492 | /* Create an XCOFF .debug section style string table. */ | |
493 | extern struct bfd_strtab_hash *_bfd_xcoff_stringtab_init PARAMS ((void)); | |
494 | ||
495 | /* Free a string table. */ | |
496 | extern void _bfd_stringtab_free PARAMS ((struct bfd_strtab_hash *)); | |
497 | ||
498 | /* Get the size of a string table. */ | |
499 | extern bfd_size_type _bfd_stringtab_size PARAMS ((struct bfd_strtab_hash *)); | |
500 | ||
501 | /* Add a string to a string table. */ | |
502 | extern bfd_size_type _bfd_stringtab_add | |
503 | PARAMS ((struct bfd_strtab_hash *, const char *, boolean hash, | |
504 | boolean copy)); | |
505 | ||
506 | /* Write out a string table. */ | |
507 | extern boolean _bfd_stringtab_emit PARAMS ((bfd *, struct bfd_strtab_hash *)); | |
875f7f69 JR |
508 | |
509 | /* Check that endianness of input and output file match. */ | |
510 | extern boolean _bfd_generic_verify_endian_match PARAMS ((bfd *, bfd *)); | |
252b5132 RH |
511 | \f |
512 | /* Macros to tell if bfds are read or write enabled. | |
513 | ||
514 | Note that bfds open for read may be scribbled into if the fd passed | |
515 | to bfd_fdopenr is actually open both for read and write | |
516 | simultaneously. However an output bfd will never be open for | |
517 | read. Therefore sometimes you want to check bfd_read_p or | |
518 | !bfd_read_p, and only sometimes bfd_write_p. | |
519 | */ | |
520 | ||
521 | #define bfd_read_p(abfd) ((abfd)->direction == read_direction || (abfd)->direction == both_direction) | |
522 | #define bfd_write_p(abfd) ((abfd)->direction == write_direction || (abfd)->direction == both_direction) | |
523 | ||
524 | void bfd_assert PARAMS ((const char*,int)); | |
525 | ||
526 | #define BFD_ASSERT(x) \ | |
527 | { if (!(x)) bfd_assert(__FILE__,__LINE__); } | |
528 | ||
529 | #define BFD_FAIL() \ | |
530 | { bfd_assert(__FILE__,__LINE__); } | |
531 | ||
c0bed66d ILT |
532 | extern void _bfd_abort PARAMS ((const char *, int, const char *)) |
533 | ATTRIBUTE_NORETURN; | |
534 | ||
a1934524 AM |
535 | /* if gcc >= 2.6, we can give a function name, too */ |
536 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) | |
c0bed66d ILT |
537 | #define __PRETTY_FUNCTION__ ((char *) NULL) |
538 | #endif | |
539 | ||
540 | #undef abort | |
541 | #define abort() _bfd_abort (__FILE__, __LINE__, __PRETTY_FUNCTION__) | |
542 | ||
252b5132 RH |
543 | FILE * bfd_cache_lookup_worker PARAMS ((bfd *)); |
544 | ||
545 | extern bfd *bfd_last_cache; | |
546 | ||
547 | /* List of supported target vectors, and the default vector (if | |
548 | bfd_default_vector[0] is NULL, there is no default). */ | |
7340082d | 549 | extern const bfd_target * const *bfd_target_vector; |
252b5132 RH |
550 | extern const bfd_target *bfd_default_vector[]; |
551 | ||
552 | /* Functions shared by the ECOFF and MIPS ELF backends, which have no | |
553 | other common header files. */ | |
554 | ||
555 | #if defined(__STDC__) || defined(ALMOST_STDC) | |
556 | struct ecoff_find_line; | |
557 | #endif | |
558 | ||
559 | extern boolean _bfd_ecoff_locate_line | |
560 | PARAMS ((bfd *, asection *, bfd_vma, struct ecoff_debug_info * const, | |
561 | const struct ecoff_debug_swap * const, struct ecoff_find_line *, | |
562 | const char **, const char **, unsigned int *)); | |
563 | extern boolean _bfd_ecoff_get_accumulated_pdr PARAMS ((PTR, bfd_byte *)); | |
564 | extern boolean _bfd_ecoff_get_accumulated_sym PARAMS ((PTR, bfd_byte *)); | |
565 | extern boolean _bfd_ecoff_get_accumulated_ss PARAMS ((PTR, bfd_byte *)); | |
566 | ||
567 | extern bfd_vma _bfd_get_gp_value PARAMS ((bfd *)); | |
568 | extern void _bfd_set_gp_value PARAMS ((bfd *, bfd_vma)); | |
569 | ||
570 | /* Function shared by the COFF and ELF SH backends, which have no | |
571 | other common header files. */ | |
572 | ||
573 | extern boolean _bfd_sh_align_load_span | |
574 | PARAMS ((bfd *, asection *, bfd_byte *, | |
575 | boolean (*) (bfd *, asection *, PTR, bfd_byte *, bfd_vma), | |
576 | PTR, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, boolean *)); | |
577 | ||
578 | /* And more follows */ | |
579 |