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252b5132 | 1 | /* Generic BFD library interface and support routines. |
4b95cf5c | 2 | Copyright (C) 1990-2014 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Cygnus Support. |
4 | ||
3af9a47b | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
3af9a47b NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 9 | the Free Software Foundation; either version 3 of the License, or |
3af9a47b | 10 | (at your option) any later version. |
252b5132 | 11 | |
3af9a47b NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
3af9a47b NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | /* | |
79bb5c23 NC |
23 | INODE |
24 | typedef bfd, Error reporting, BFD front end, BFD front end | |
25 | ||
252b5132 RH |
26 | SECTION |
27 | <<typedef bfd>> | |
28 | ||
29 | A BFD has type <<bfd>>; objects of this type are the | |
30 | cornerstone of any application using BFD. Using BFD | |
31 | consists of making references though the BFD and to data in the BFD. | |
32 | ||
33 | Here is the structure that defines the type <<bfd>>. It | |
34 | contains the major data about the file and pointers | |
35 | to the rest of the data. | |
36 | ||
37 | CODE_FRAGMENT | |
38 | . | |
a50b1753 NC |
39 | .enum bfd_direction |
40 | . { | |
41 | . no_direction = 0, | |
42 | . read_direction = 1, | |
43 | . write_direction = 2, | |
44 | . both_direction = 3 | |
45 | . }; | |
46 | . | |
c2852e88 | 47 | .struct bfd |
252b5132 | 48 | .{ |
b5f79c76 NC |
49 | . {* The filename the application opened the BFD with. *} |
50 | . const char *filename; | |
252b5132 | 51 | . |
b5f79c76 NC |
52 | . {* A pointer to the target jump table. *} |
53 | . const struct bfd_target *xvec; | |
252b5132 | 54 | . |
40838a72 AC |
55 | . {* The IOSTREAM, and corresponding IO vector that provide access |
56 | . to the file backing the BFD. *} | |
c58b9523 | 57 | . void *iostream; |
40838a72 | 58 | . const struct bfd_iovec *iovec; |
b5f79c76 | 59 | . |
b5f79c76 NC |
60 | . {* The caching routines use these to maintain a |
61 | . least-recently-used list of BFDs. *} | |
2ce40c65 | 62 | . struct bfd *lru_prev, *lru_next; |
b5f79c76 NC |
63 | . |
64 | . {* When a file is closed by the caching routines, BFD retains | |
65 | . state information on the file here... *} | |
66 | . ufile_ptr where; | |
67 | . | |
b34976b6 | 68 | . {* File modified time, if mtime_set is TRUE. *} |
b5f79c76 NC |
69 | . long mtime; |
70 | . | |
b6a1c03a AM |
71 | . {* A unique identifier of the BFD *} |
72 | . unsigned int id; | |
b5f79c76 NC |
73 | . |
74 | . {* The format which belongs to the BFD. (object, core, etc.) *} | |
b6a1c03a | 75 | . ENUM_BITFIELD (bfd_format) format : 3; |
b5f79c76 NC |
76 | . |
77 | . {* The direction with which the BFD was opened. *} | |
b6a1c03a | 78 | . ENUM_BITFIELD (bfd_direction) direction : 2; |
b5f79c76 NC |
79 | . |
80 | . {* Format_specific flags. *} | |
b6a1c03a | 81 | . flagword flags : 17; |
b5f79c76 | 82 | . |
6ad2759d L |
83 | . {* Values that may appear in the flags field of a BFD. These also |
84 | . appear in the object_flags field of the bfd_target structure, where | |
85 | . they indicate the set of flags used by that backend (not all flags | |
86 | . are meaningful for all object file formats) (FIXME: at the moment, | |
87 | . the object_flags values have mostly just been copied from backend | |
88 | . to another, and are not necessarily correct). *} | |
89 | . | |
90 | .#define BFD_NO_FLAGS 0x00 | |
91 | . | |
92 | . {* BFD contains relocation entries. *} | |
93 | .#define HAS_RELOC 0x01 | |
94 | . | |
95 | . {* BFD is directly executable. *} | |
96 | .#define EXEC_P 0x02 | |
97 | . | |
98 | . {* BFD has line number information (basically used for F_LNNO in a | |
99 | . COFF header). *} | |
100 | .#define HAS_LINENO 0x04 | |
101 | . | |
102 | . {* BFD has debugging information. *} | |
103 | .#define HAS_DEBUG 0x08 | |
104 | . | |
105 | . {* BFD has symbols. *} | |
106 | .#define HAS_SYMS 0x10 | |
107 | . | |
108 | . {* BFD has local symbols (basically used for F_LSYMS in a COFF | |
109 | . header). *} | |
110 | .#define HAS_LOCALS 0x20 | |
111 | . | |
112 | . {* BFD is a dynamic object. *} | |
113 | .#define DYNAMIC 0x40 | |
114 | . | |
115 | . {* Text section is write protected (if D_PAGED is not set, this is | |
116 | . like an a.out NMAGIC file) (the linker sets this by default, but | |
117 | . clears it for -r or -N). *} | |
118 | .#define WP_TEXT 0x80 | |
119 | . | |
120 | . {* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the | |
121 | . linker sets this by default, but clears it for -r or -n or -N). *} | |
122 | .#define D_PAGED 0x100 | |
123 | . | |
124 | . {* BFD is relaxable (this means that bfd_relax_section may be able to | |
125 | . do something) (sometimes bfd_relax_section can do something even if | |
126 | . this is not set). *} | |
127 | .#define BFD_IS_RELAXABLE 0x200 | |
128 | . | |
129 | . {* This may be set before writing out a BFD to request using a | |
130 | . traditional format. For example, this is used to request that when | |
131 | . writing out an a.out object the symbols not be hashed to eliminate | |
132 | . duplicates. *} | |
133 | .#define BFD_TRADITIONAL_FORMAT 0x400 | |
134 | . | |
135 | . {* This flag indicates that the BFD contents are actually cached | |
136 | . in memory. If this is set, iostream points to a bfd_in_memory | |
137 | . struct. *} | |
138 | .#define BFD_IN_MEMORY 0x800 | |
139 | . | |
6ad2759d L |
140 | . {* This BFD has been created by the linker and doesn't correspond |
141 | . to any input file. *} | |
b6a1c03a | 142 | .#define BFD_LINKER_CREATED 0x1000 |
6ad2759d | 143 | . |
36e4dce6 CD |
144 | . {* This may be set before writing out a BFD to request that it |
145 | . be written using values for UIDs, GIDs, timestamps, etc. that | |
146 | . will be consistent from run to run. *} | |
b6a1c03a | 147 | .#define BFD_DETERMINISTIC_OUTPUT 0x2000 |
36e4dce6 | 148 | . |
4a114e3e | 149 | . {* Compress sections in this BFD. *} |
b6a1c03a | 150 | .#define BFD_COMPRESS 0x4000 |
4a114e3e L |
151 | . |
152 | . {* Decompress sections in this BFD. *} | |
b6a1c03a | 153 | .#define BFD_DECOMPRESS 0x8000 |
4a114e3e | 154 | . |
9e2278f5 | 155 | . {* BFD is a dummy, for plugins. *} |
b6a1c03a | 156 | .#define BFD_PLUGIN 0x10000 |
9e2278f5 | 157 | . |
4a114e3e L |
158 | . {* Flags bits to be saved in bfd_preserve_save. *} |
159 | .#define BFD_FLAGS_SAVED \ | |
9e2278f5 | 160 | . (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_PLUGIN) |
4a114e3e | 161 | . |
6b6bc957 L |
162 | . {* Flags bits which are for BFD use only. *} |
163 | .#define BFD_FLAGS_FOR_BFD_USE_MASK \ | |
164 | . (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \ | |
9e2278f5 | 165 | . | BFD_PLUGIN | BFD_TRADITIONAL_FORMAT | BFD_DETERMINISTIC_OUTPUT) |
6b6bc957 | 166 | . |
b6a1c03a AM |
167 | . {* Is the file descriptor being cached? That is, can it be closed as |
168 | . needed, and re-opened when accessed later? *} | |
169 | . unsigned int cacheable : 1; | |
170 | . | |
171 | . {* Marks whether there was a default target specified when the | |
172 | . BFD was opened. This is used to select which matching algorithm | |
173 | . to use to choose the back end. *} | |
174 | . unsigned int target_defaulted : 1; | |
175 | . | |
176 | . {* ... and here: (``once'' means at least once). *} | |
177 | . unsigned int opened_once : 1; | |
178 | . | |
179 | . {* Set if we have a locally maintained mtime value, rather than | |
180 | . getting it from the file each time. *} | |
181 | . unsigned int mtime_set : 1; | |
182 | . | |
183 | . {* Flag set if symbols from this BFD should not be exported. *} | |
184 | . unsigned int no_export : 1; | |
185 | . | |
186 | . {* Remember when output has begun, to stop strange things | |
187 | . from happening. *} | |
188 | . unsigned int output_has_begun : 1; | |
189 | . | |
190 | . {* Have archive map. *} | |
191 | . unsigned int has_armap : 1; | |
192 | . | |
193 | . {* Set if this is a thin archive. *} | |
194 | . unsigned int is_thin_archive : 1; | |
195 | . | |
196 | . {* Set if only required symbols should be added in the link hash table for | |
197 | . this object. Used by VMS linkers. *} | |
198 | . unsigned int selective_search : 1; | |
199 | . | |
200 | . {* Set if this is the linker output BFD. *} | |
201 | . unsigned int is_linker_output : 1; | |
202 | . | |
b5f79c76 NC |
203 | . {* Currently my_archive is tested before adding origin to |
204 | . anything. I believe that this can become always an add of | |
205 | . origin, with origin set to 0 for non archive files. *} | |
206 | . ufile_ptr origin; | |
207 | . | |
a8da6403 NC |
208 | . {* The origin in the archive of the proxy entry. This will |
209 | . normally be the same as origin, except for thin archives, | |
210 | . when it will contain the current offset of the proxy in the | |
211 | . thin archive rather than the offset of the bfd in its actual | |
212 | . container. *} | |
213 | . ufile_ptr proxy_origin; | |
214 | . | |
b5f79c76 NC |
215 | . {* A hash table for section names. *} |
216 | . struct bfd_hash_table section_htab; | |
217 | . | |
218 | . {* Pointer to linked list of sections. *} | |
198beae2 | 219 | . struct bfd_section *sections; |
b5f79c76 | 220 | . |
5daa8fe7 L |
221 | . {* The last section on the section list. *} |
222 | . struct bfd_section *section_last; | |
b5f79c76 NC |
223 | . |
224 | . {* The number of sections. *} | |
225 | . unsigned int section_count; | |
226 | . | |
b6a1c03a AM |
227 | . {* A field used by _bfd_generic_link_add_archive_symbols. This will |
228 | . be used only for archive elements. *} | |
229 | . int archive_pass; | |
230 | . | |
b5f79c76 NC |
231 | . {* Stuff only useful for object files: |
232 | . The start address. *} | |
233 | . bfd_vma start_address; | |
234 | . | |
5c1d2f5f AM |
235 | . {* Symbol table for output BFD (with symcount entries). |
236 | . Also used by the linker to cache input BFD symbols. *} | |
fc0a2244 | 237 | . struct bfd_symbol **outsymbols; |
b5f79c76 | 238 | . |
b6a1c03a AM |
239 | . {* Used for input and output. *} |
240 | . unsigned int symcount; | |
241 | . | |
1f70368c DJ |
242 | . {* Used for slurped dynamic symbol tables. *} |
243 | . unsigned int dynsymcount; | |
244 | . | |
b5f79c76 NC |
245 | . {* Pointer to structure which contains architecture information. *} |
246 | . const struct bfd_arch_info *arch_info; | |
247 | . | |
248 | . {* Stuff only useful for archives. *} | |
c58b9523 | 249 | . void *arelt_data; |
2ce40c65 | 250 | . struct bfd *my_archive; {* The containing archive BFD. *} |
cc481421 | 251 | . struct bfd *archive_next; {* The next BFD in the archive. *} |
2ce40c65 | 252 | . struct bfd *archive_head; {* The first BFD in the archive. *} |
a8da6403 NC |
253 | . struct bfd *nested_archives; {* List of nested archive in a flattened |
254 | . thin archive. *} | |
252b5132 | 255 | . |
c72f2fb2 AM |
256 | . union { |
257 | . {* For input BFDs, a chain of BFDs involved in a link. *} | |
258 | . struct bfd *next; | |
259 | . {* For output BFD, the linker hash table. *} | |
260 | . struct bfd_link_hash_table *hash; | |
261 | . } link; | |
b5f79c76 | 262 | . |
b5f79c76 NC |
263 | . {* Used by the back end to hold private data. *} |
264 | . union | |
265 | . { | |
252b5132 RH |
266 | . struct aout_data_struct *aout_data; |
267 | . struct artdata *aout_ar_data; | |
268 | . struct _oasys_data *oasys_obj_data; | |
269 | . struct _oasys_ar_data *oasys_ar_data; | |
270 | . struct coff_tdata *coff_obj_data; | |
271 | . struct pe_tdata *pe_obj_data; | |
272 | . struct xcoff_tdata *xcoff_obj_data; | |
273 | . struct ecoff_tdata *ecoff_obj_data; | |
274 | . struct ieee_data_struct *ieee_data; | |
275 | . struct ieee_ar_data_struct *ieee_ar_data; | |
276 | . struct srec_data_struct *srec_data; | |
c067354b | 277 | . struct verilog_data_struct *verilog_data; |
252b5132 RH |
278 | . struct ihex_data_struct *ihex_data; |
279 | . struct tekhex_data_struct *tekhex_data; | |
280 | . struct elf_obj_tdata *elf_obj_data; | |
281 | . struct nlm_obj_tdata *nlm_obj_data; | |
282 | . struct bout_data_struct *bout_data; | |
3c3bdf30 | 283 | . struct mmo_data_struct *mmo_data; |
252b5132 RH |
284 | . struct sun_core_struct *sun_core_data; |
285 | . struct sco5_core_struct *sco5_core_data; | |
286 | . struct trad_core_struct *trad_core_data; | |
287 | . struct som_data_struct *som_data; | |
288 | . struct hpux_core_struct *hpux_core_data; | |
289 | . struct hppabsd_core_struct *hppabsd_core_data; | |
290 | . struct sgi_core_struct *sgi_core_data; | |
291 | . struct lynx_core_struct *lynx_core_data; | |
292 | . struct osf_core_struct *osf_core_data; | |
293 | . struct cisco_core_struct *cisco_core_data; | |
294 | . struct versados_data_struct *versados_data; | |
295 | . struct netbsd_core_struct *netbsd_core_data; | |
3af9a47b NC |
296 | . struct mach_o_data_struct *mach_o_data; |
297 | . struct mach_o_fat_data_struct *mach_o_fat_data; | |
ce3c775b | 298 | . struct plugin_data_struct *plugin_data; |
3af9a47b NC |
299 | . struct bfd_pef_data_struct *pef_data; |
300 | . struct bfd_pef_xlib_data_struct *pef_xlib_data; | |
301 | . struct bfd_sym_data_struct *sym_data; | |
c58b9523 | 302 | . void *any; |
b5f79c76 NC |
303 | . } |
304 | . tdata; | |
aebad5fe | 305 | . |
b5f79c76 | 306 | . {* Used by the application to hold private data. *} |
c58b9523 | 307 | . void *usrdata; |
252b5132 RH |
308 | . |
309 | . {* Where all the allocated stuff under this BFD goes. This is a | |
c58b9523 AM |
310 | . struct objalloc *, but we use void * to avoid requiring the inclusion |
311 | . of objalloc.h. *} | |
312 | . void *memory; | |
252b5132 RH |
313 | .}; |
314 | . | |
27b829ee NC |
315 | .{* See note beside bfd_set_section_userdata. *} |
316 | .static inline bfd_boolean | |
317 | .bfd_set_cacheable (bfd * abfd, bfd_boolean val) | |
318 | .{ | |
319 | . abfd->cacheable = val; | |
320 | . return TRUE; | |
321 | .} | |
322 | . | |
252b5132 RH |
323 | */ |
324 | ||
252b5132 | 325 | #include "sysdep.h" |
252b5132 | 326 | #include <stdarg.h> |
3db64b00 AM |
327 | #include "bfd.h" |
328 | #include "bfdver.h" | |
252b5132 | 329 | #include "libiberty.h" |
3fad56a3 | 330 | #include "demangle.h" |
3882b010 | 331 | #include "safe-ctype.h" |
252b5132 RH |
332 | #include "bfdlink.h" |
333 | #include "libbfd.h" | |
334 | #include "coff/internal.h" | |
335 | #include "coff/sym.h" | |
336 | #include "libcoff.h" | |
337 | #include "libecoff.h" | |
338 | #undef obj_symbols | |
339 | #include "elf-bfd.h" | |
3168356f AM |
340 | |
341 | #ifndef EXIT_FAILURE | |
342 | #define EXIT_FAILURE 1 | |
343 | #endif | |
344 | ||
252b5132 RH |
345 | \f |
346 | /* provide storage for subsystem, stack and heap data which may have been | |
347 | passed in on the command line. Ld puts this data into a bfd_link_info | |
348 | struct which ultimately gets passed in to the bfd. When it arrives, copy | |
349 | it to the following struct so that the data will be available in coffcode.h | |
350 | where it is needed. The typedef's used are defined in bfd.h */ | |
252b5132 RH |
351 | \f |
352 | /* | |
79bb5c23 NC |
353 | INODE |
354 | Error reporting, Miscellaneous, typedef bfd, BFD front end | |
355 | ||
252b5132 RH |
356 | SECTION |
357 | Error reporting | |
358 | ||
359 | Most BFD functions return nonzero on success (check their | |
360 | individual documentation for precise semantics). On an error, | |
361 | they call <<bfd_set_error>> to set an error condition that callers | |
362 | can check by calling <<bfd_get_error>>. | |
363 | If that returns <<bfd_error_system_call>>, then check | |
364 | <<errno>>. | |
365 | ||
366 | The easiest way to report a BFD error to the user is to | |
367 | use <<bfd_perror>>. | |
368 | ||
369 | SUBSECTION | |
370 | Type <<bfd_error_type>> | |
371 | ||
372 | The values returned by <<bfd_get_error>> are defined by the | |
373 | enumerated type <<bfd_error_type>>. | |
374 | ||
375 | CODE_FRAGMENT | |
376 | . | |
377 | .typedef enum bfd_error | |
378 | .{ | |
379 | . bfd_error_no_error = 0, | |
380 | . bfd_error_system_call, | |
381 | . bfd_error_invalid_target, | |
382 | . bfd_error_wrong_format, | |
3619ad04 | 383 | . bfd_error_wrong_object_format, |
252b5132 RH |
384 | . bfd_error_invalid_operation, |
385 | . bfd_error_no_memory, | |
386 | . bfd_error_no_symbols, | |
387 | . bfd_error_no_armap, | |
388 | . bfd_error_no_more_archived_files, | |
389 | . bfd_error_malformed_archive, | |
ff5ac77b | 390 | . bfd_error_missing_dso, |
252b5132 RH |
391 | . bfd_error_file_not_recognized, |
392 | . bfd_error_file_ambiguously_recognized, | |
393 | . bfd_error_no_contents, | |
394 | . bfd_error_nonrepresentable_section, | |
395 | . bfd_error_no_debug_section, | |
396 | . bfd_error_bad_value, | |
397 | . bfd_error_file_truncated, | |
398 | . bfd_error_file_too_big, | |
ffda70fc | 399 | . bfd_error_on_input, |
252b5132 | 400 | . bfd_error_invalid_error_code |
b5f79c76 NC |
401 | .} |
402 | .bfd_error_type; | |
252b5132 RH |
403 | . |
404 | */ | |
405 | ||
406 | static bfd_error_type bfd_error = bfd_error_no_error; | |
ffda70fc AM |
407 | static bfd *input_bfd = NULL; |
408 | static bfd_error_type input_error = bfd_error_no_error; | |
252b5132 | 409 | |
55ab10f0 NC |
410 | const char *const bfd_errmsgs[] = |
411 | { | |
412 | N_("No error"), | |
413 | N_("System call error"), | |
414 | N_("Invalid bfd target"), | |
415 | N_("File in wrong format"), | |
3619ad04 | 416 | N_("Archive object file in wrong format"), |
55ab10f0 NC |
417 | N_("Invalid operation"), |
418 | N_("Memory exhausted"), | |
419 | N_("No symbols"), | |
420 | N_("Archive has no index; run ranlib to add one"), | |
421 | N_("No more archived files"), | |
422 | N_("Malformed archive"), | |
ff5ac77b | 423 | N_("DSO missing from command line"), |
55ab10f0 NC |
424 | N_("File format not recognized"), |
425 | N_("File format is ambiguous"), | |
426 | N_("Section has no contents"), | |
427 | N_("Nonrepresentable section on output"), | |
428 | N_("Symbol needs debug section which does not exist"), | |
429 | N_("Bad value"), | |
430 | N_("File truncated"), | |
431 | N_("File too big"), | |
ffda70fc | 432 | N_("Error reading %s: %s"), |
55ab10f0 NC |
433 | N_("#<Invalid error code>") |
434 | }; | |
252b5132 RH |
435 | |
436 | /* | |
437 | FUNCTION | |
438 | bfd_get_error | |
439 | ||
440 | SYNOPSIS | |
441 | bfd_error_type bfd_get_error (void); | |
442 | ||
443 | DESCRIPTION | |
444 | Return the current BFD error condition. | |
445 | */ | |
446 | ||
447 | bfd_error_type | |
c58b9523 | 448 | bfd_get_error (void) |
252b5132 RH |
449 | { |
450 | return bfd_error; | |
451 | } | |
452 | ||
453 | /* | |
454 | FUNCTION | |
455 | bfd_set_error | |
456 | ||
457 | SYNOPSIS | |
ffda70fc | 458 | void bfd_set_error (bfd_error_type error_tag, ...); |
252b5132 RH |
459 | |
460 | DESCRIPTION | |
461 | Set the BFD error condition to be @var{error_tag}. | |
ffda70fc AM |
462 | If @var{error_tag} is bfd_error_on_input, then this function |
463 | takes two more parameters, the input bfd where the error | |
464 | occurred, and the bfd_error_type error. | |
252b5132 RH |
465 | */ |
466 | ||
467 | void | |
ffda70fc | 468 | bfd_set_error (bfd_error_type error_tag, ...) |
252b5132 RH |
469 | { |
470 | bfd_error = error_tag; | |
ffda70fc AM |
471 | if (error_tag == bfd_error_on_input) |
472 | { | |
473 | /* This is an error that occurred during bfd_close when | |
474 | writing an archive, but on one of the input files. */ | |
475 | va_list ap; | |
476 | ||
477 | va_start (ap, error_tag); | |
478 | input_bfd = va_arg (ap, bfd *); | |
a50b1753 | 479 | input_error = (bfd_error_type) va_arg (ap, int); |
ffda70fc AM |
480 | if (input_error >= bfd_error_on_input) |
481 | abort (); | |
482 | va_end (ap); | |
483 | } | |
252b5132 RH |
484 | } |
485 | ||
486 | /* | |
487 | FUNCTION | |
488 | bfd_errmsg | |
489 | ||
490 | SYNOPSIS | |
55ab10f0 | 491 | const char *bfd_errmsg (bfd_error_type error_tag); |
252b5132 RH |
492 | |
493 | DESCRIPTION | |
494 | Return a string describing the error @var{error_tag}, or | |
495 | the system error if @var{error_tag} is <<bfd_error_system_call>>. | |
496 | */ | |
497 | ||
55ab10f0 | 498 | const char * |
c58b9523 | 499 | bfd_errmsg (bfd_error_type error_tag) |
252b5132 RH |
500 | { |
501 | #ifndef errno | |
502 | extern int errno; | |
503 | #endif | |
ffda70fc AM |
504 | if (error_tag == bfd_error_on_input) |
505 | { | |
506 | char *buf; | |
507 | const char *msg = bfd_errmsg (input_error); | |
508 | ||
509 | if (asprintf (&buf, _(bfd_errmsgs [error_tag]), input_bfd->filename, msg) | |
510 | != -1) | |
511 | return buf; | |
512 | ||
513 | /* Ick, what to do on out of memory? */ | |
514 | return msg; | |
515 | } | |
516 | ||
252b5132 RH |
517 | if (error_tag == bfd_error_system_call) |
518 | return xstrerror (errno); | |
519 | ||
c58b9523 AM |
520 | if (error_tag > bfd_error_invalid_error_code) |
521 | error_tag = bfd_error_invalid_error_code; /* sanity check */ | |
252b5132 | 522 | |
c58b9523 | 523 | return _(bfd_errmsgs [error_tag]); |
252b5132 RH |
524 | } |
525 | ||
526 | /* | |
527 | FUNCTION | |
528 | bfd_perror | |
529 | ||
530 | SYNOPSIS | |
55ab10f0 | 531 | void bfd_perror (const char *message); |
252b5132 RH |
532 | |
533 | DESCRIPTION | |
534 | Print to the standard error stream a string describing the | |
535 | last BFD error that occurred, or the last system error if | |
536 | the last BFD error was a system call failure. If @var{message} | |
537 | is non-NULL and non-empty, the error string printed is preceded | |
538 | by @var{message}, a colon, and a space. It is followed by a newline. | |
539 | */ | |
540 | ||
541 | void | |
c58b9523 | 542 | bfd_perror (const char *message) |
252b5132 | 543 | { |
4a97a0e5 | 544 | fflush (stdout); |
ffda70fc AM |
545 | if (message == NULL || *message == '\0') |
546 | fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ())); | |
55ab10f0 | 547 | else |
ffda70fc | 548 | fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ())); |
4a97a0e5 | 549 | fflush (stderr); |
252b5132 RH |
550 | } |
551 | ||
552 | /* | |
553 | SUBSECTION | |
554 | BFD error handler | |
555 | ||
556 | Some BFD functions want to print messages describing the | |
557 | problem. They call a BFD error handler function. This | |
5c4491d3 | 558 | function may be overridden by the program. |
252b5132 RH |
559 | |
560 | The BFD error handler acts like printf. | |
561 | ||
562 | CODE_FRAGMENT | |
563 | . | |
c58b9523 | 564 | .typedef void (*bfd_error_handler_type) (const char *, ...); |
252b5132 RH |
565 | . |
566 | */ | |
567 | ||
568 | /* The program name used when printing BFD error messages. */ | |
569 | ||
570 | static const char *_bfd_error_program_name; | |
571 | ||
d003868e AM |
572 | /* This is the default routine to handle BFD error messages. |
573 | Like fprintf (stderr, ...), but also handles some extra format specifiers. | |
574 | ||
575 | %A section name from section. For group components, print group name too. | |
576 | %B file name from bfd. For archive components, prints archive too. | |
d07676f8 NC |
577 | |
578 | Note - because these two extra format specifiers require special handling | |
579 | they are scanned for and processed in this function, before calling | |
580 | vfprintf. This means that the *arguments* for these format specifiers | |
581 | must be the first ones in the variable argument list, regardless of where | |
582 | the specifiers appear in the format string. Thus for example calling | |
583 | this function with a format string of: | |
584 | ||
585 | "blah %s blah %A blah %d blah %B" | |
586 | ||
587 | would involve passing the arguments as: | |
588 | ||
589 | "blah %s blah %A blah %d blah %B", | |
590 | asection_for_the_%A, | |
591 | bfd_for_the_%B, | |
592 | string_for_the_%s, | |
593 | integer_for_the_%d); | |
d003868e | 594 | */ |
252b5132 | 595 | |
185d09ad | 596 | void |
d003868e | 597 | _bfd_default_error_handler (const char *fmt, ...) |
252b5132 | 598 | { |
d003868e AM |
599 | va_list ap; |
600 | char *bufp; | |
601 | const char *new_fmt, *p; | |
602 | size_t avail = 1000; | |
603 | char buf[1000]; | |
c58b9523 | 604 | |
0bc43230 AM |
605 | /* PR 4992: Don't interrupt output being sent to stdout. */ |
606 | fflush (stdout); | |
607 | ||
252b5132 RH |
608 | if (_bfd_error_program_name != NULL) |
609 | fprintf (stderr, "%s: ", _bfd_error_program_name); | |
610 | else | |
611 | fprintf (stderr, "BFD: "); | |
612 | ||
d003868e AM |
613 | va_start (ap, fmt); |
614 | new_fmt = fmt; | |
615 | bufp = buf; | |
616 | ||
617 | /* Reserve enough space for the existing format string. */ | |
618 | avail -= strlen (fmt) + 1; | |
619 | if (avail > 1000) | |
3168356f | 620 | _exit (EXIT_FAILURE); |
d003868e AM |
621 | |
622 | p = fmt; | |
3e540f25 | 623 | while (1) |
d003868e AM |
624 | { |
625 | char *q; | |
626 | size_t len, extra, trim; | |
627 | ||
628 | p = strchr (p, '%'); | |
629 | if (p == NULL || p[1] == '\0') | |
630 | { | |
631 | if (new_fmt == buf) | |
632 | { | |
633 | len = strlen (fmt); | |
634 | memcpy (bufp, fmt, len + 1); | |
635 | } | |
636 | break; | |
637 | } | |
638 | ||
639 | if (p[1] == 'A' || p[1] == 'B') | |
640 | { | |
641 | len = p - fmt; | |
642 | memcpy (bufp, fmt, len); | |
643 | bufp += len; | |
644 | fmt = p + 2; | |
645 | new_fmt = buf; | |
646 | ||
647 | /* If we run out of space, tough, you lose your ridiculously | |
648 | long file or section name. It's not safe to try to alloc | |
649 | memory here; We might be printing an out of memory message. */ | |
650 | if (avail == 0) | |
651 | { | |
652 | *bufp++ = '*'; | |
653 | *bufp++ = '*'; | |
654 | *bufp = '\0'; | |
655 | } | |
656 | else | |
657 | { | |
658 | if (p[1] == 'B') | |
659 | { | |
660 | bfd *abfd = va_arg (ap, bfd *); | |
d07676f8 NC |
661 | |
662 | if (abfd == NULL) | |
663 | /* Invoking %B with a null bfd pointer is an internal error. */ | |
664 | abort (); | |
665 | else if (abfd->my_archive) | |
d003868e AM |
666 | snprintf (bufp, avail, "%s(%s)", |
667 | abfd->my_archive->filename, abfd->filename); | |
668 | else | |
669 | snprintf (bufp, avail, "%s", abfd->filename); | |
670 | } | |
671 | else | |
672 | { | |
673 | asection *sec = va_arg (ap, asection *); | |
d07676f8 | 674 | bfd *abfd; |
d003868e AM |
675 | const char *group = NULL; |
676 | struct coff_comdat_info *ci; | |
677 | ||
d07676f8 NC |
678 | if (sec == NULL) |
679 | /* Invoking %A with a null section pointer is an internal error. */ | |
680 | abort (); | |
681 | abfd = sec->owner; | |
d003868e AM |
682 | if (abfd != NULL |
683 | && bfd_get_flavour (abfd) == bfd_target_elf_flavour | |
684 | && elf_next_in_group (sec) != NULL | |
685 | && (sec->flags & SEC_GROUP) == 0) | |
686 | group = elf_group_name (sec); | |
687 | else if (abfd != NULL | |
688 | && bfd_get_flavour (abfd) == bfd_target_coff_flavour | |
689 | && (ci = bfd_coff_get_comdat_section (sec->owner, | |
690 | sec)) != NULL) | |
691 | group = ci->name; | |
692 | if (group != NULL) | |
693 | snprintf (bufp, avail, "%s[%s]", sec->name, group); | |
694 | else | |
695 | snprintf (bufp, avail, "%s", sec->name); | |
696 | } | |
697 | len = strlen (bufp); | |
698 | avail = avail - len + 2; | |
699 | ||
700 | /* We need to replace any '%' we printed by "%%". | |
701 | First count how many. */ | |
702 | q = bufp; | |
703 | bufp += len; | |
704 | extra = 0; | |
705 | while ((q = strchr (q, '%')) != NULL) | |
706 | { | |
707 | ++q; | |
708 | ++extra; | |
709 | } | |
710 | ||
711 | /* If there isn't room, trim off the end of the string. */ | |
712 | q = bufp; | |
713 | bufp += extra; | |
714 | if (extra > avail) | |
715 | { | |
716 | trim = extra - avail; | |
717 | bufp -= trim; | |
718 | do | |
719 | { | |
720 | if (*--q == '%') | |
721 | --extra; | |
722 | } | |
723 | while (--trim != 0); | |
724 | *q = '\0'; | |
45fc9e4a | 725 | avail = extra; |
d003868e | 726 | } |
45fc9e4a | 727 | avail -= extra; |
d003868e AM |
728 | |
729 | /* Now double all '%' chars, shuffling the string as we go. */ | |
730 | while (extra != 0) | |
731 | { | |
732 | while ((q[extra] = *q) != '%') | |
733 | --q; | |
734 | q[--extra] = '%'; | |
735 | --q; | |
736 | } | |
737 | } | |
738 | } | |
739 | p = p + 2; | |
740 | } | |
741 | ||
742 | vfprintf (stderr, new_fmt, ap); | |
743 | va_end (ap); | |
252b5132 | 744 | |
ceae87f3 JB |
745 | /* On AIX, putc is implemented as a macro that triggers a -Wunused-value |
746 | warning, so use the fputc function to avoid it. */ | |
747 | fputc ('\n', stderr); | |
4a97a0e5 | 748 | fflush (stderr); |
252b5132 RH |
749 | } |
750 | ||
252b5132 RH |
751 | /* This is a function pointer to the routine which should handle BFD |
752 | error messages. It is called when a BFD routine encounters an | |
753 | error for which it wants to print a message. Going through a | |
754 | function pointer permits a program linked against BFD to intercept | |
755 | the messages and deal with them itself. */ | |
756 | ||
757 | bfd_error_handler_type _bfd_error_handler = _bfd_default_error_handler; | |
758 | ||
759 | /* | |
760 | FUNCTION | |
761 | bfd_set_error_handler | |
762 | ||
763 | SYNOPSIS | |
764 | bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type); | |
765 | ||
766 | DESCRIPTION | |
767 | Set the BFD error handler function. Returns the previous | |
768 | function. | |
769 | */ | |
770 | ||
771 | bfd_error_handler_type | |
c58b9523 | 772 | bfd_set_error_handler (bfd_error_handler_type pnew) |
252b5132 RH |
773 | { |
774 | bfd_error_handler_type pold; | |
775 | ||
776 | pold = _bfd_error_handler; | |
777 | _bfd_error_handler = pnew; | |
778 | return pold; | |
779 | } | |
780 | ||
781 | /* | |
782 | FUNCTION | |
783 | bfd_set_error_program_name | |
784 | ||
785 | SYNOPSIS | |
786 | void bfd_set_error_program_name (const char *); | |
787 | ||
788 | DESCRIPTION | |
789 | Set the program name to use when printing a BFD error. This | |
790 | is printed before the error message followed by a colon and | |
791 | space. The string must not be changed after it is passed to | |
792 | this function. | |
793 | */ | |
794 | ||
795 | void | |
c58b9523 | 796 | bfd_set_error_program_name (const char *name) |
252b5132 RH |
797 | { |
798 | _bfd_error_program_name = name; | |
799 | } | |
800 | ||
252b5132 RH |
801 | /* |
802 | FUNCTION | |
803 | bfd_get_error_handler | |
804 | ||
805 | SYNOPSIS | |
806 | bfd_error_handler_type bfd_get_error_handler (void); | |
807 | ||
808 | DESCRIPTION | |
809 | Return the BFD error handler function. | |
810 | */ | |
811 | ||
812 | bfd_error_handler_type | |
c58b9523 | 813 | bfd_get_error_handler (void) |
252b5132 RH |
814 | { |
815 | return _bfd_error_handler; | |
816 | } | |
2b56b3f3 HPN |
817 | |
818 | /* | |
819 | SUBSECTION | |
820 | BFD assert handler | |
821 | ||
822 | If BFD finds an internal inconsistency, the bfd assert | |
823 | handler is called with information on the BFD version, BFD | |
824 | source file and line. If this happens, most programs linked | |
825 | against BFD are expected to want to exit with an error, or mark | |
826 | the current BFD operation as failed, so it is recommended to | |
827 | override the default handler, which just calls | |
828 | _bfd_error_handler and continues. | |
829 | ||
830 | CODE_FRAGMENT | |
831 | . | |
832 | .typedef void (*bfd_assert_handler_type) (const char *bfd_formatmsg, | |
833 | . const char *bfd_version, | |
834 | . const char *bfd_file, | |
835 | . int bfd_line); | |
836 | . | |
837 | */ | |
838 | ||
839 | /* Note the use of bfd_ prefix on the parameter names above: we want to | |
840 | show which one is the message and which is the version by naming the | |
841 | parameters, but avoid polluting the program-using-bfd namespace as | |
842 | the typedef is visible in the exported headers that the program | |
843 | includes. Below, it's just for consistency. */ | |
844 | ||
845 | static void | |
846 | _bfd_default_assert_handler (const char *bfd_formatmsg, | |
847 | const char *bfd_version, | |
848 | const char *bfd_file, | |
849 | int bfd_line) | |
850 | ||
851 | { | |
852 | (*_bfd_error_handler) (bfd_formatmsg, bfd_version, bfd_file, bfd_line); | |
853 | } | |
854 | ||
855 | /* Similar to _bfd_error_handler, a program can decide to exit on an | |
856 | internal BFD error. We use a non-variadic type to simplify passing | |
857 | on parameters to other functions, e.g. _bfd_error_handler. */ | |
858 | ||
859 | bfd_assert_handler_type _bfd_assert_handler = _bfd_default_assert_handler; | |
860 | ||
861 | /* | |
862 | FUNCTION | |
863 | bfd_set_assert_handler | |
864 | ||
865 | SYNOPSIS | |
866 | bfd_assert_handler_type bfd_set_assert_handler (bfd_assert_handler_type); | |
867 | ||
868 | DESCRIPTION | |
869 | Set the BFD assert handler function. Returns the previous | |
870 | function. | |
871 | */ | |
872 | ||
873 | bfd_assert_handler_type | |
874 | bfd_set_assert_handler (bfd_assert_handler_type pnew) | |
875 | { | |
876 | bfd_assert_handler_type pold; | |
877 | ||
878 | pold = _bfd_assert_handler; | |
879 | _bfd_assert_handler = pnew; | |
880 | return pold; | |
881 | } | |
882 | ||
883 | /* | |
884 | FUNCTION | |
885 | bfd_get_assert_handler | |
886 | ||
887 | SYNOPSIS | |
888 | bfd_assert_handler_type bfd_get_assert_handler (void); | |
889 | ||
890 | DESCRIPTION | |
891 | Return the BFD assert handler function. | |
892 | */ | |
893 | ||
894 | bfd_assert_handler_type | |
895 | bfd_get_assert_handler (void) | |
896 | { | |
897 | return _bfd_assert_handler; | |
898 | } | |
252b5132 RH |
899 | \f |
900 | /* | |
79bb5c23 NC |
901 | INODE |
902 | Miscellaneous, Memory Usage, Error reporting, BFD front end | |
903 | ||
252b5132 | 904 | SECTION |
1b74d094 BW |
905 | Miscellaneous |
906 | ||
907 | SUBSECTION | |
908 | Miscellaneous functions | |
252b5132 RH |
909 | */ |
910 | ||
911 | /* | |
912 | FUNCTION | |
913 | bfd_get_reloc_upper_bound | |
914 | ||
915 | SYNOPSIS | |
ed781d5d | 916 | long bfd_get_reloc_upper_bound (bfd *abfd, asection *sect); |
252b5132 RH |
917 | |
918 | DESCRIPTION | |
919 | Return the number of bytes required to store the | |
920 | relocation information associated with section @var{sect} | |
921 | attached to bfd @var{abfd}. If an error occurs, return -1. | |
922 | ||
923 | */ | |
924 | ||
252b5132 | 925 | long |
c58b9523 | 926 | bfd_get_reloc_upper_bound (bfd *abfd, sec_ptr asect) |
252b5132 | 927 | { |
55ab10f0 NC |
928 | if (abfd->format != bfd_object) |
929 | { | |
930 | bfd_set_error (bfd_error_invalid_operation); | |
931 | return -1; | |
932 | } | |
252b5132 RH |
933 | |
934 | return BFD_SEND (abfd, _get_reloc_upper_bound, (abfd, asect)); | |
935 | } | |
936 | ||
937 | /* | |
938 | FUNCTION | |
939 | bfd_canonicalize_reloc | |
940 | ||
941 | SYNOPSIS | |
942 | long bfd_canonicalize_reloc | |
c58b9523 | 943 | (bfd *abfd, asection *sec, arelent **loc, asymbol **syms); |
252b5132 RH |
944 | |
945 | DESCRIPTION | |
946 | Call the back end associated with the open BFD | |
947 | @var{abfd} and translate the external form of the relocation | |
948 | information attached to @var{sec} into the internal canonical | |
949 | form. Place the table into memory at @var{loc}, which has | |
950 | been preallocated, usually by a call to | |
951 | <<bfd_get_reloc_upper_bound>>. Returns the number of relocs, or | |
952 | -1 on error. | |
953 | ||
954 | The @var{syms} table is also needed for horrible internal magic | |
955 | reasons. | |
956 | ||
252b5132 RH |
957 | */ |
958 | long | |
c58b9523 AM |
959 | bfd_canonicalize_reloc (bfd *abfd, |
960 | sec_ptr asect, | |
961 | arelent **location, | |
962 | asymbol **symbols) | |
252b5132 | 963 | { |
55ab10f0 NC |
964 | if (abfd->format != bfd_object) |
965 | { | |
966 | bfd_set_error (bfd_error_invalid_operation); | |
967 | return -1; | |
968 | } | |
969 | ||
252b5132 RH |
970 | return BFD_SEND (abfd, _bfd_canonicalize_reloc, |
971 | (abfd, asect, location, symbols)); | |
972 | } | |
973 | ||
974 | /* | |
975 | FUNCTION | |
976 | bfd_set_reloc | |
977 | ||
978 | SYNOPSIS | |
979 | void bfd_set_reloc | |
b5f79c76 | 980 | (bfd *abfd, asection *sec, arelent **rel, unsigned int count); |
252b5132 RH |
981 | |
982 | DESCRIPTION | |
983 | Set the relocation pointer and count within | |
984 | section @var{sec} to the values @var{rel} and @var{count}. | |
985 | The argument @var{abfd} is ignored. | |
986 | ||
987 | */ | |
aebad5fe | 988 | |
252b5132 | 989 | void |
c58b9523 AM |
990 | bfd_set_reloc (bfd *ignore_abfd ATTRIBUTE_UNUSED, |
991 | sec_ptr asect, | |
992 | arelent **location, | |
993 | unsigned int count) | |
252b5132 RH |
994 | { |
995 | asect->orelocation = location; | |
996 | asect->reloc_count = count; | |
997 | } | |
998 | ||
999 | /* | |
1000 | FUNCTION | |
1001 | bfd_set_file_flags | |
1002 | ||
1003 | SYNOPSIS | |
ed781d5d | 1004 | bfd_boolean bfd_set_file_flags (bfd *abfd, flagword flags); |
252b5132 RH |
1005 | |
1006 | DESCRIPTION | |
1007 | Set the flag word in the BFD @var{abfd} to the value @var{flags}. | |
1008 | ||
1009 | Possible errors are: | |
1010 | o <<bfd_error_wrong_format>> - The target bfd was not of object format. | |
1011 | o <<bfd_error_invalid_operation>> - The target bfd was open for reading. | |
1012 | o <<bfd_error_invalid_operation>> - | |
1013 | The flag word contained a bit which was not applicable to the | |
1014 | type of file. E.g., an attempt was made to set the <<D_PAGED>> bit | |
1015 | on a BFD format which does not support demand paging. | |
1016 | ||
1017 | */ | |
1018 | ||
b34976b6 | 1019 | bfd_boolean |
c58b9523 | 1020 | bfd_set_file_flags (bfd *abfd, flagword flags) |
252b5132 | 1021 | { |
55ab10f0 NC |
1022 | if (abfd->format != bfd_object) |
1023 | { | |
1024 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 1025 | return FALSE; |
55ab10f0 | 1026 | } |
252b5132 | 1027 | |
55ab10f0 NC |
1028 | if (bfd_read_p (abfd)) |
1029 | { | |
1030 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 1031 | return FALSE; |
55ab10f0 | 1032 | } |
252b5132 RH |
1033 | |
1034 | bfd_get_file_flags (abfd) = flags; | |
55ab10f0 NC |
1035 | if ((flags & bfd_applicable_file_flags (abfd)) != flags) |
1036 | { | |
1037 | bfd_set_error (bfd_error_invalid_operation); | |
b34976b6 | 1038 | return FALSE; |
55ab10f0 | 1039 | } |
252b5132 | 1040 | |
b34976b6 | 1041 | return TRUE; |
252b5132 RH |
1042 | } |
1043 | ||
1044 | void | |
c58b9523 | 1045 | bfd_assert (const char *file, int line) |
252b5132 | 1046 | { |
2b56b3f3 HPN |
1047 | (*_bfd_assert_handler) (_("BFD %s assertion fail %s:%d"), |
1048 | BFD_VERSION_STRING, file, line); | |
252b5132 RH |
1049 | } |
1050 | ||
c0bed66d ILT |
1051 | /* A more or less friendly abort message. In libbfd.h abort is |
1052 | defined to call this function. */ | |
1053 | ||
c0bed66d | 1054 | void |
c58b9523 | 1055 | _bfd_abort (const char *file, int line, const char *fn) |
c0bed66d ILT |
1056 | { |
1057 | if (fn != NULL) | |
1058 | (*_bfd_error_handler) | |
aec2f561 AM |
1059 | (_("BFD %s internal error, aborting at %s line %d in %s\n"), |
1060 | BFD_VERSION_STRING, file, line, fn); | |
c0bed66d ILT |
1061 | else |
1062 | (*_bfd_error_handler) | |
391154e9 | 1063 | (_("BFD %s internal error, aborting at %s line %d\n"), |
aec2f561 | 1064 | BFD_VERSION_STRING, file, line); |
c0bed66d | 1065 | (*_bfd_error_handler) (_("Please report this bug.\n")); |
3168356f | 1066 | _exit (EXIT_FAILURE); |
c0bed66d | 1067 | } |
252b5132 | 1068 | |
125c4a69 NC |
1069 | /* |
1070 | FUNCTION | |
1071 | bfd_get_arch_size | |
1072 | ||
1073 | SYNOPSIS | |
1074 | int bfd_get_arch_size (bfd *abfd); | |
1075 | ||
1076 | DESCRIPTION | |
4ef27e04 TG |
1077 | Returns the normalized architecture address size, in bits, as |
1078 | determined by the object file's format. By normalized, we mean | |
1079 | either 32 or 64. For ELF, this information is included in the | |
1080 | header. Use bfd_arch_bits_per_address for number of bits in | |
1081 | the architecture address. | |
125c4a69 NC |
1082 | |
1083 | RETURNS | |
1084 | Returns the arch size in bits if known, <<-1>> otherwise. | |
1085 | */ | |
1086 | ||
1087 | int | |
c58b9523 | 1088 | bfd_get_arch_size (bfd *abfd) |
125c4a69 NC |
1089 | { |
1090 | if (abfd->xvec->flavour == bfd_target_elf_flavour) | |
c58b9523 | 1091 | return get_elf_backend_data (abfd)->s->arch_size; |
125c4a69 | 1092 | |
4ef27e04 | 1093 | return bfd_arch_bits_per_address (abfd) > 32 ? 64 : 32; |
125c4a69 NC |
1094 | } |
1095 | ||
1096 | /* | |
1097 | FUNCTION | |
1098 | bfd_get_sign_extend_vma | |
1099 | ||
1100 | SYNOPSIS | |
1101 | int bfd_get_sign_extend_vma (bfd *abfd); | |
1102 | ||
1103 | DESCRIPTION | |
1104 | Indicates if the target architecture "naturally" sign extends | |
1105 | an address. Some architectures implicitly sign extend address | |
1106 | values when they are converted to types larger than the size | |
1107 | of an address. For instance, bfd_get_start_address() will | |
1108 | return an address sign extended to fill a bfd_vma when this is | |
1109 | the case. | |
1110 | ||
1111 | RETURNS | |
1112 | Returns <<1>> if the target architecture is known to sign | |
1113 | extend addresses, <<0>> if the target architecture is known to | |
1114 | not sign extend addresses, and <<-1>> otherwise. | |
1115 | */ | |
1116 | ||
1117 | int | |
c58b9523 | 1118 | bfd_get_sign_extend_vma (bfd *abfd) |
125c4a69 | 1119 | { |
f47e5071 NC |
1120 | char *name; |
1121 | ||
125c4a69 | 1122 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
c58b9523 | 1123 | return get_elf_backend_data (abfd)->sign_extend_vma; |
125c4a69 | 1124 | |
f47e5071 NC |
1125 | name = bfd_get_target (abfd); |
1126 | ||
7148cc28 | 1127 | /* Return a proper value for DJGPP & PE COFF. |
f47e5071 NC |
1128 | This function is required for DWARF2 support, but there is |
1129 | no place to store this information in the COFF back end. | |
1130 | Should enough other COFF targets add support for DWARF2, | |
1131 | a place will have to be found. Until then, this hack will do. */ | |
0112cd26 | 1132 | if (CONST_STRNEQ (name, "coff-go32") |
8a7140c3 | 1133 | || strcmp (name, "pe-i386") == 0 |
f0927246 | 1134 | || strcmp (name, "pei-i386") == 0 |
6e3d6dc1 NC |
1135 | || strcmp (name, "pe-x86-64") == 0 |
1136 | || strcmp (name, "pei-x86-64") == 0 | |
7148cc28 | 1137 | || strcmp (name, "pe-arm-wince-little") == 0 |
8076289e TG |
1138 | || strcmp (name, "pei-arm-wince-little") == 0 |
1139 | || strcmp (name, "aixcoff-rs6000") == 0) | |
f47e5071 NC |
1140 | return 1; |
1141 | ||
09c6f846 TG |
1142 | if (CONST_STRNEQ (name, "mach-o")) |
1143 | return 0; | |
1144 | ||
a022216b | 1145 | bfd_set_error (bfd_error_wrong_format); |
125c4a69 NC |
1146 | return -1; |
1147 | } | |
1148 | ||
252b5132 RH |
1149 | /* |
1150 | FUNCTION | |
1151 | bfd_set_start_address | |
1152 | ||
1153 | SYNOPSIS | |
ed781d5d | 1154 | bfd_boolean bfd_set_start_address (bfd *abfd, bfd_vma vma); |
252b5132 RH |
1155 | |
1156 | DESCRIPTION | |
1157 | Make @var{vma} the entry point of output BFD @var{abfd}. | |
1158 | ||
1159 | RETURNS | |
b34976b6 | 1160 | Returns <<TRUE>> on success, <<FALSE>> otherwise. |
252b5132 RH |
1161 | */ |
1162 | ||
b34976b6 | 1163 | bfd_boolean |
c58b9523 | 1164 | bfd_set_start_address (bfd *abfd, bfd_vma vma) |
252b5132 RH |
1165 | { |
1166 | abfd->start_address = vma; | |
b34976b6 | 1167 | return TRUE; |
252b5132 RH |
1168 | } |
1169 | ||
252b5132 RH |
1170 | /* |
1171 | FUNCTION | |
1172 | bfd_get_gp_size | |
1173 | ||
1174 | SYNOPSIS | |
ed781d5d | 1175 | unsigned int bfd_get_gp_size (bfd *abfd); |
252b5132 RH |
1176 | |
1177 | DESCRIPTION | |
1178 | Return the maximum size of objects to be optimized using the GP | |
1179 | register under MIPS ECOFF. This is typically set by the <<-G>> | |
1180 | argument to the compiler, assembler or linker. | |
1181 | */ | |
1182 | ||
c0846b23 | 1183 | unsigned int |
c58b9523 | 1184 | bfd_get_gp_size (bfd *abfd) |
252b5132 RH |
1185 | { |
1186 | if (abfd->format == bfd_object) | |
1187 | { | |
1188 | if (abfd->xvec->flavour == bfd_target_ecoff_flavour) | |
1189 | return ecoff_data (abfd)->gp_size; | |
1190 | else if (abfd->xvec->flavour == bfd_target_elf_flavour) | |
1191 | return elf_gp_size (abfd); | |
1192 | } | |
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | /* | |
1197 | FUNCTION | |
1198 | bfd_set_gp_size | |
1199 | ||
1200 | SYNOPSIS | |
ed781d5d | 1201 | void bfd_set_gp_size (bfd *abfd, unsigned int i); |
252b5132 RH |
1202 | |
1203 | DESCRIPTION | |
1204 | Set the maximum size of objects to be optimized using the GP | |
1205 | register under ECOFF or MIPS ELF. This is typically set by | |
1206 | the <<-G>> argument to the compiler, assembler or linker. | |
1207 | */ | |
1208 | ||
1209 | void | |
c58b9523 | 1210 | bfd_set_gp_size (bfd *abfd, unsigned int i) |
252b5132 | 1211 | { |
55ab10f0 | 1212 | /* Don't try to set GP size on an archive or core file! */ |
252b5132 RH |
1213 | if (abfd->format != bfd_object) |
1214 | return; | |
55ab10f0 | 1215 | |
252b5132 RH |
1216 | if (abfd->xvec->flavour == bfd_target_ecoff_flavour) |
1217 | ecoff_data (abfd)->gp_size = i; | |
1218 | else if (abfd->xvec->flavour == bfd_target_elf_flavour) | |
1219 | elf_gp_size (abfd) = i; | |
1220 | } | |
1221 | ||
1222 | /* Get the GP value. This is an internal function used by some of the | |
1223 | relocation special_function routines on targets which support a GP | |
1224 | register. */ | |
1225 | ||
1226 | bfd_vma | |
c58b9523 | 1227 | _bfd_get_gp_value (bfd *abfd) |
252b5132 | 1228 | { |
9bcf4de0 TS |
1229 | if (! abfd) |
1230 | return 0; | |
55ab10f0 NC |
1231 | if (abfd->format != bfd_object) |
1232 | return 0; | |
1233 | ||
1234 | if (abfd->xvec->flavour == bfd_target_ecoff_flavour) | |
1235 | return ecoff_data (abfd)->gp; | |
1236 | else if (abfd->xvec->flavour == bfd_target_elf_flavour) | |
1237 | return elf_gp (abfd); | |
1238 | ||
252b5132 RH |
1239 | return 0; |
1240 | } | |
1241 | ||
1242 | /* Set the GP value. */ | |
1243 | ||
1244 | void | |
c58b9523 | 1245 | _bfd_set_gp_value (bfd *abfd, bfd_vma v) |
252b5132 | 1246 | { |
9bcf4de0 | 1247 | if (! abfd) |
c2c96631 | 1248 | abort (); |
252b5132 RH |
1249 | if (abfd->format != bfd_object) |
1250 | return; | |
55ab10f0 | 1251 | |
252b5132 RH |
1252 | if (abfd->xvec->flavour == bfd_target_ecoff_flavour) |
1253 | ecoff_data (abfd)->gp = v; | |
1254 | else if (abfd->xvec->flavour == bfd_target_elf_flavour) | |
1255 | elf_gp (abfd) = v; | |
1256 | } | |
1257 | ||
1258 | /* | |
1259 | FUNCTION | |
1260 | bfd_scan_vma | |
1261 | ||
1262 | SYNOPSIS | |
ed781d5d | 1263 | bfd_vma bfd_scan_vma (const char *string, const char **end, int base); |
252b5132 RH |
1264 | |
1265 | DESCRIPTION | |
1266 | Convert, like <<strtoul>>, a numerical expression | |
1267 | @var{string} into a <<bfd_vma>> integer, and return that integer. | |
1268 | (Though without as many bells and whistles as <<strtoul>>.) | |
1269 | The expression is assumed to be unsigned (i.e., positive). | |
1270 | If given a @var{base}, it is used as the base for conversion. | |
1271 | A base of 0 causes the function to interpret the string | |
1272 | in hex if a leading "0x" or "0X" is found, otherwise | |
1273 | in octal if a leading zero is found, otherwise in decimal. | |
1274 | ||
88eaccc2 AM |
1275 | If the value would overflow, the maximum <<bfd_vma>> value is |
1276 | returned. | |
252b5132 RH |
1277 | */ |
1278 | ||
1279 | bfd_vma | |
c58b9523 | 1280 | bfd_scan_vma (const char *string, const char **end, int base) |
252b5132 RH |
1281 | { |
1282 | bfd_vma value; | |
88eaccc2 AM |
1283 | bfd_vma cutoff; |
1284 | unsigned int cutlim; | |
1285 | int overflow; | |
252b5132 RH |
1286 | |
1287 | /* Let the host do it if possible. */ | |
eb6e10cb | 1288 | if (sizeof (bfd_vma) <= sizeof (unsigned long)) |
c58b9523 | 1289 | return strtoul (string, (char **) end, base); |
252b5132 | 1290 | |
49c97a80 ILT |
1291 | #ifdef HAVE_STRTOULL |
1292 | if (sizeof (bfd_vma) <= sizeof (unsigned long long)) | |
1293 | return strtoull (string, (char **) end, base); | |
1294 | #endif | |
1295 | ||
252b5132 RH |
1296 | if (base == 0) |
1297 | { | |
1298 | if (string[0] == '0') | |
1299 | { | |
1300 | if ((string[1] == 'x') || (string[1] == 'X')) | |
1301 | base = 16; | |
252b5132 RH |
1302 | else |
1303 | base = 8; | |
1304 | } | |
252b5132 | 1305 | } |
55ab10f0 | 1306 | |
88eaccc2 AM |
1307 | if ((base < 2) || (base > 36)) |
1308 | base = 10; | |
1309 | ||
1310 | if (base == 16 | |
1311 | && string[0] == '0' | |
1312 | && (string[1] == 'x' || string[1] == 'X') | |
1313 | && ISXDIGIT (string[2])) | |
1314 | { | |
1315 | string += 2; | |
1316 | } | |
aebad5fe | 1317 | |
88eaccc2 AM |
1318 | cutoff = (~ (bfd_vma) 0) / (bfd_vma) base; |
1319 | cutlim = (~ (bfd_vma) 0) % (bfd_vma) base; | |
1320 | value = 0; | |
1321 | overflow = 0; | |
1322 | while (1) | |
1323 | { | |
1324 | unsigned int digit; | |
1325 | ||
1326 | digit = *string; | |
1327 | if (ISDIGIT (digit)) | |
1328 | digit = digit - '0'; | |
1329 | else if (ISALPHA (digit)) | |
1330 | digit = TOUPPER (digit) - 'A' + 10; | |
1331 | else | |
1332 | break; | |
1333 | if (digit >= (unsigned int) base) | |
1334 | break; | |
1335 | if (value > cutoff || (value == cutoff && digit > cutlim)) | |
1336 | overflow = 1; | |
1337 | value = value * base + digit; | |
1338 | ++string; | |
1339 | } | |
252b5132 | 1340 | |
88eaccc2 AM |
1341 | if (overflow) |
1342 | value = ~ (bfd_vma) 0; | |
252b5132 | 1343 | |
88eaccc2 AM |
1344 | if (end != NULL) |
1345 | *end = string; | |
252b5132 RH |
1346 | |
1347 | return value; | |
1348 | } | |
1349 | ||
80fccad2 BW |
1350 | /* |
1351 | FUNCTION | |
1352 | bfd_copy_private_header_data | |
1353 | ||
1354 | SYNOPSIS | |
1355 | bfd_boolean bfd_copy_private_header_data (bfd *ibfd, bfd *obfd); | |
1356 | ||
1357 | DESCRIPTION | |
1358 | Copy private BFD header information from the BFD @var{ibfd} to the | |
1359 | the BFD @var{obfd}. This copies information that may require | |
1360 | sections to exist, but does not require symbol tables. Return | |
1361 | <<true>> on success, <<false>> on error. | |
1362 | Possible error returns are: | |
1363 | ||
1364 | o <<bfd_error_no_memory>> - | |
1365 | Not enough memory exists to create private data for @var{obfd}. | |
1366 | ||
1367 | .#define bfd_copy_private_header_data(ibfd, obfd) \ | |
1368 | . BFD_SEND (obfd, _bfd_copy_private_header_data, \ | |
1369 | . (ibfd, obfd)) | |
1370 | ||
1371 | */ | |
1372 | ||
252b5132 RH |
1373 | /* |
1374 | FUNCTION | |
1375 | bfd_copy_private_bfd_data | |
1376 | ||
1377 | SYNOPSIS | |
ed781d5d | 1378 | bfd_boolean bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd); |
252b5132 RH |
1379 | |
1380 | DESCRIPTION | |
aebad5fe | 1381 | Copy private BFD information from the BFD @var{ibfd} to the |
b34976b6 | 1382 | the BFD @var{obfd}. Return <<TRUE>> on success, <<FALSE>> on error. |
252b5132 RH |
1383 | Possible error returns are: |
1384 | ||
1385 | o <<bfd_error_no_memory>> - | |
1386 | Not enough memory exists to create private data for @var{obfd}. | |
1387 | ||
1388 | .#define bfd_copy_private_bfd_data(ibfd, obfd) \ | |
1389 | . BFD_SEND (obfd, _bfd_copy_private_bfd_data, \ | |
1390 | . (ibfd, obfd)) | |
1391 | ||
1392 | */ | |
1393 | ||
1394 | /* | |
1395 | FUNCTION | |
1396 | bfd_merge_private_bfd_data | |
1397 | ||
1398 | SYNOPSIS | |
ed781d5d | 1399 | bfd_boolean bfd_merge_private_bfd_data (bfd *ibfd, bfd *obfd); |
252b5132 RH |
1400 | |
1401 | DESCRIPTION | |
aebad5fe | 1402 | Merge private BFD information from the BFD @var{ibfd} to the |
b34976b6 AM |
1403 | the output file BFD @var{obfd} when linking. Return <<TRUE>> |
1404 | on success, <<FALSE>> on error. Possible error returns are: | |
252b5132 RH |
1405 | |
1406 | o <<bfd_error_no_memory>> - | |
1407 | Not enough memory exists to create private data for @var{obfd}. | |
1408 | ||
1409 | .#define bfd_merge_private_bfd_data(ibfd, obfd) \ | |
1410 | . BFD_SEND (obfd, _bfd_merge_private_bfd_data, \ | |
1411 | . (ibfd, obfd)) | |
1412 | ||
1413 | */ | |
1414 | ||
1415 | /* | |
1416 | FUNCTION | |
1417 | bfd_set_private_flags | |
1418 | ||
1419 | SYNOPSIS | |
ed781d5d | 1420 | bfd_boolean bfd_set_private_flags (bfd *abfd, flagword flags); |
252b5132 RH |
1421 | |
1422 | DESCRIPTION | |
1423 | Set private BFD flag information in the BFD @var{abfd}. | |
b34976b6 | 1424 | Return <<TRUE>> on success, <<FALSE>> on error. Possible error |
252b5132 RH |
1425 | returns are: |
1426 | ||
1427 | o <<bfd_error_no_memory>> - | |
1428 | Not enough memory exists to create private data for @var{obfd}. | |
1429 | ||
1430 | .#define bfd_set_private_flags(abfd, flags) \ | |
ed781d5d | 1431 | . BFD_SEND (abfd, _bfd_set_private_flags, (abfd, flags)) |
252b5132 RH |
1432 | |
1433 | */ | |
1434 | ||
1435 | /* | |
1436 | FUNCTION | |
ed781d5d | 1437 | Other functions |
252b5132 RH |
1438 | |
1439 | DESCRIPTION | |
ed781d5d | 1440 | The following functions exist but have not yet been documented. |
252b5132 | 1441 | |
a6b96beb AM |
1442 | .#define bfd_sizeof_headers(abfd, info) \ |
1443 | . BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, info)) | |
252b5132 RH |
1444 | . |
1445 | .#define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \ | |
ed781d5d NC |
1446 | . BFD_SEND (abfd, _bfd_find_nearest_line, \ |
1447 | . (abfd, sec, syms, off, file, func, line)) | |
252b5132 | 1448 | . |
9b8d1a36 CC |
1449 | .#define bfd_find_nearest_line_discriminator(abfd, sec, syms, off, file, func, \ |
1450 | . line, disc) \ | |
1451 | . BFD_SEND (abfd, _bfd_find_nearest_line_discriminator, \ | |
1452 | . (abfd, sec, syms, off, file, func, line, disc)) | |
1453 | . | |
5420f73d L |
1454 | .#define bfd_find_line(abfd, syms, sym, file, line) \ |
1455 | . BFD_SEND (abfd, _bfd_find_line, \ | |
1456 | . (abfd, syms, sym, file, line)) | |
1457 | . | |
4ab527b0 FF |
1458 | .#define bfd_find_inliner_info(abfd, file, func, line) \ |
1459 | . BFD_SEND (abfd, _bfd_find_inliner_info, \ | |
1460 | . (abfd, file, func, line)) | |
1461 | . | |
252b5132 | 1462 | .#define bfd_debug_info_start(abfd) \ |
ed781d5d | 1463 | . BFD_SEND (abfd, _bfd_debug_info_start, (abfd)) |
252b5132 RH |
1464 | . |
1465 | .#define bfd_debug_info_end(abfd) \ | |
ed781d5d | 1466 | . BFD_SEND (abfd, _bfd_debug_info_end, (abfd)) |
252b5132 RH |
1467 | . |
1468 | .#define bfd_debug_info_accumulate(abfd, section) \ | |
ed781d5d | 1469 | . BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section)) |
252b5132 RH |
1470 | . |
1471 | .#define bfd_stat_arch_elt(abfd, stat) \ | |
ed781d5d | 1472 | . BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat)) |
252b5132 RH |
1473 | . |
1474 | .#define bfd_update_armap_timestamp(abfd) \ | |
ed781d5d | 1475 | . BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd)) |
252b5132 RH |
1476 | . |
1477 | .#define bfd_set_arch_mach(abfd, arch, mach)\ | |
ed781d5d | 1478 | . BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach)) |
252b5132 RH |
1479 | . |
1480 | .#define bfd_relax_section(abfd, section, link_info, again) \ | |
1481 | . BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again)) | |
1482 | . | |
1483 | .#define bfd_gc_sections(abfd, link_info) \ | |
1484 | . BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info)) | |
8550eb6e | 1485 | . |
b9c361e0 JL |
1486 | .#define bfd_lookup_section_flags(link_info, flag_info, section) \ |
1487 | . BFD_SEND (abfd, _bfd_lookup_section_flags, (link_info, flag_info, section)) | |
ae17ab41 | 1488 | . |
8550eb6e JJ |
1489 | .#define bfd_merge_sections(abfd, link_info) \ |
1490 | . BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info)) | |
252b5132 | 1491 | . |
72adc230 AM |
1492 | .#define bfd_is_group_section(abfd, sec) \ |
1493 | . BFD_SEND (abfd, _bfd_is_group_section, (abfd, sec)) | |
1494 | . | |
e61463e1 AM |
1495 | .#define bfd_discard_group(abfd, sec) \ |
1496 | . BFD_SEND (abfd, _bfd_discard_group, (abfd, sec)) | |
1497 | . | |
252b5132 RH |
1498 | .#define bfd_link_hash_table_create(abfd) \ |
1499 | . BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd)) | |
1500 | . | |
1501 | .#define bfd_link_add_symbols(abfd, info) \ | |
1502 | . BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info)) | |
1503 | . | |
1449d79b | 1504 | .#define bfd_link_just_syms(abfd, sec, info) \ |
2d653fc7 AM |
1505 | . BFD_SEND (abfd, _bfd_link_just_syms, (sec, info)) |
1506 | . | |
252b5132 RH |
1507 | .#define bfd_final_link(abfd, info) \ |
1508 | . BFD_SEND (abfd, _bfd_final_link, (abfd, info)) | |
1509 | . | |
1510 | .#define bfd_free_cached_info(abfd) \ | |
1511 | . BFD_SEND (abfd, _bfd_free_cached_info, (abfd)) | |
1512 | . | |
1513 | .#define bfd_get_dynamic_symtab_upper_bound(abfd) \ | |
1514 | . BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd)) | |
1515 | . | |
1516 | .#define bfd_print_private_bfd_data(abfd, file)\ | |
1517 | . BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file)) | |
1518 | . | |
1519 | .#define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \ | |
1520 | . BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols)) | |
1521 | . | |
c9727e01 AM |
1522 | .#define bfd_get_synthetic_symtab(abfd, count, syms, dyncount, dynsyms, ret) \ |
1523 | . BFD_SEND (abfd, _bfd_get_synthetic_symtab, (abfd, count, syms, \ | |
1524 | . dyncount, dynsyms, ret)) | |
4c45e5c9 | 1525 | . |
252b5132 RH |
1526 | .#define bfd_get_dynamic_reloc_upper_bound(abfd) \ |
1527 | . BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd)) | |
1528 | . | |
1529 | .#define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \ | |
1530 | . BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms)) | |
1531 | . | |
1532 | .extern bfd_byte *bfd_get_relocated_section_contents | |
c58b9523 AM |
1533 | . (bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, |
1534 | . bfd_boolean, asymbol **); | |
252b5132 RH |
1535 | . |
1536 | ||
1537 | */ | |
1538 | ||
1539 | bfd_byte * | |
c58b9523 AM |
1540 | bfd_get_relocated_section_contents (bfd *abfd, |
1541 | struct bfd_link_info *link_info, | |
1542 | struct bfd_link_order *link_order, | |
1543 | bfd_byte *data, | |
1544 | bfd_boolean relocatable, | |
1545 | asymbol **symbols) | |
252b5132 RH |
1546 | { |
1547 | bfd *abfd2; | |
c58b9523 AM |
1548 | bfd_byte *(*fn) (bfd *, struct bfd_link_info *, struct bfd_link_order *, |
1549 | bfd_byte *, bfd_boolean, asymbol **); | |
252b5132 RH |
1550 | |
1551 | if (link_order->type == bfd_indirect_link_order) | |
1552 | { | |
1553 | abfd2 = link_order->u.indirect.section->owner; | |
55ab10f0 | 1554 | if (abfd2 == NULL) |
252b5132 RH |
1555 | abfd2 = abfd; |
1556 | } | |
1557 | else | |
1558 | abfd2 = abfd; | |
55ab10f0 | 1559 | |
252b5132 RH |
1560 | fn = abfd2->xvec->_bfd_get_relocated_section_contents; |
1561 | ||
1049f94e | 1562 | return (*fn) (abfd, link_info, link_order, data, relocatable, symbols); |
252b5132 RH |
1563 | } |
1564 | ||
1565 | /* Record information about an ELF program header. */ | |
1566 | ||
b34976b6 | 1567 | bfd_boolean |
c58b9523 AM |
1568 | bfd_record_phdr (bfd *abfd, |
1569 | unsigned long type, | |
1570 | bfd_boolean flags_valid, | |
1571 | flagword flags, | |
1572 | bfd_boolean at_valid, | |
1573 | bfd_vma at, | |
1574 | bfd_boolean includes_filehdr, | |
1575 | bfd_boolean includes_phdrs, | |
1576 | unsigned int count, | |
1577 | asection **secs) | |
252b5132 RH |
1578 | { |
1579 | struct elf_segment_map *m, **pm; | |
dc810e39 | 1580 | bfd_size_type amt; |
252b5132 RH |
1581 | |
1582 | if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) | |
b34976b6 | 1583 | return TRUE; |
252b5132 | 1584 | |
dc810e39 AM |
1585 | amt = sizeof (struct elf_segment_map); |
1586 | amt += ((bfd_size_type) count - 1) * sizeof (asection *); | |
a50b1753 | 1587 | m = (struct elf_segment_map *) bfd_zalloc (abfd, amt); |
252b5132 | 1588 | if (m == NULL) |
b34976b6 | 1589 | return FALSE; |
252b5132 | 1590 | |
252b5132 RH |
1591 | m->p_type = type; |
1592 | m->p_flags = flags; | |
1593 | m->p_paddr = at; | |
c58b9523 AM |
1594 | m->p_flags_valid = flags_valid; |
1595 | m->p_paddr_valid = at_valid; | |
1596 | m->includes_filehdr = includes_filehdr; | |
1597 | m->includes_phdrs = includes_phdrs; | |
252b5132 RH |
1598 | m->count = count; |
1599 | if (count > 0) | |
1600 | memcpy (m->sections, secs, count * sizeof (asection *)); | |
1601 | ||
12bd6957 | 1602 | for (pm = &elf_seg_map (abfd); *pm != NULL; pm = &(*pm)->next) |
252b5132 RH |
1603 | ; |
1604 | *pm = m; | |
1605 | ||
b34976b6 | 1606 | return TRUE; |
252b5132 | 1607 | } |
ae4221d7 | 1608 | |
01a3c213 AM |
1609 | #ifdef BFD64 |
1610 | /* Return true iff this target is 32-bit. */ | |
1611 | ||
1612 | static bfd_boolean | |
1613 | is32bit (bfd *abfd) | |
ae4221d7 L |
1614 | { |
1615 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) | |
01a3c213 AM |
1616 | { |
1617 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
1618 | return bed->s->elfclass == ELFCLASS32; | |
1619 | } | |
1620 | ||
6aa341c7 TG |
1621 | /* For non-ELF targets, use architecture information. */ |
1622 | return bfd_arch_bits_per_address (abfd) <= 32; | |
ae4221d7 | 1623 | } |
01a3c213 AM |
1624 | #endif |
1625 | ||
1626 | /* bfd_sprintf_vma and bfd_fprintf_vma display an address in the | |
1627 | target's address size. */ | |
ae4221d7 L |
1628 | |
1629 | void | |
01a3c213 | 1630 | bfd_sprintf_vma (bfd *abfd ATTRIBUTE_UNUSED, char *buf, bfd_vma value) |
ae4221d7 | 1631 | { |
970ccc77 | 1632 | #ifdef BFD64 |
01a3c213 AM |
1633 | if (is32bit (abfd)) |
1634 | { | |
1635 | sprintf (buf, "%08lx", (unsigned long) value & 0xffffffff); | |
1636 | return; | |
1637 | } | |
970ccc77 | 1638 | #endif |
01a3c213 AM |
1639 | sprintf_vma (buf, value); |
1640 | } | |
1641 | ||
1642 | void | |
1643 | bfd_fprintf_vma (bfd *abfd ATTRIBUTE_UNUSED, void *stream, bfd_vma value) | |
1644 | { | |
1645 | #ifdef BFD64 | |
1646 | if (is32bit (abfd)) | |
1647 | { | |
1648 | fprintf ((FILE *) stream, "%08lx", (unsigned long) value & 0xffffffff); | |
1649 | return; | |
1650 | } | |
1651 | #endif | |
1652 | fprintf_vma ((FILE *) stream, value); | |
ae4221d7 | 1653 | } |
8c98ec7d AO |
1654 | |
1655 | /* | |
1656 | FUNCTION | |
1657 | bfd_alt_mach_code | |
1658 | ||
1659 | SYNOPSIS | |
ed781d5d | 1660 | bfd_boolean bfd_alt_mach_code (bfd *abfd, int alternative); |
8c98ec7d AO |
1661 | |
1662 | DESCRIPTION | |
1663 | ||
1664 | When more than one machine code number is available for the | |
1665 | same machine type, this function can be used to switch between | |
47badb7b | 1666 | the preferred one (alternative == 0) and any others. Currently, |
8c98ec7d AO |
1667 | only ELF supports this feature, with up to two alternate |
1668 | machine codes. | |
1669 | */ | |
1670 | ||
b34976b6 | 1671 | bfd_boolean |
c58b9523 | 1672 | bfd_alt_mach_code (bfd *abfd, int alternative) |
8c98ec7d AO |
1673 | { |
1674 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) | |
1675 | { | |
1676 | int code; | |
1677 | ||
47badb7b | 1678 | switch (alternative) |
8c98ec7d AO |
1679 | { |
1680 | case 0: | |
1681 | code = get_elf_backend_data (abfd)->elf_machine_code; | |
1682 | break; | |
1683 | ||
1684 | case 1: | |
1685 | code = get_elf_backend_data (abfd)->elf_machine_alt1; | |
1686 | if (code == 0) | |
b34976b6 | 1687 | return FALSE; |
8c98ec7d AO |
1688 | break; |
1689 | ||
1690 | case 2: | |
1691 | code = get_elf_backend_data (abfd)->elf_machine_alt2; | |
1692 | if (code == 0) | |
b34976b6 | 1693 | return FALSE; |
8c98ec7d AO |
1694 | break; |
1695 | ||
1696 | default: | |
b34976b6 | 1697 | return FALSE; |
8c98ec7d AO |
1698 | } |
1699 | ||
1700 | elf_elfheader (abfd)->e_machine = code; | |
1701 | ||
b34976b6 | 1702 | return TRUE; |
8c98ec7d AO |
1703 | } |
1704 | ||
b34976b6 | 1705 | return FALSE; |
8c98ec7d | 1706 | } |
e84d6fca | 1707 | |
24718e3b L |
1708 | /* |
1709 | FUNCTION | |
1710 | bfd_emul_get_maxpagesize | |
1711 | ||
1712 | SYNOPSIS | |
1713 | bfd_vma bfd_emul_get_maxpagesize (const char *); | |
1714 | ||
1715 | DESCRIPTION | |
1716 | Returns the maximum page size, in bytes, as determined by | |
1717 | emulation. | |
1718 | ||
1719 | RETURNS | |
095106a2 | 1720 | Returns the maximum page size in bytes for ELF, 0 otherwise. |
24718e3b L |
1721 | */ |
1722 | ||
1723 | bfd_vma | |
1724 | bfd_emul_get_maxpagesize (const char *emul) | |
1725 | { | |
1726 | const bfd_target *target; | |
1727 | ||
1728 | target = bfd_find_target (emul, NULL); | |
1729 | if (target != NULL | |
1730 | && target->flavour == bfd_target_elf_flavour) | |
1731 | return xvec_get_elf_backend_data (target)->maxpagesize; | |
1732 | ||
24718e3b L |
1733 | return 0; |
1734 | } | |
1735 | ||
1736 | static void | |
1737 | bfd_elf_set_pagesize (const bfd_target *target, bfd_vma size, | |
1738 | int offset, const bfd_target *orig_target) | |
1739 | { | |
1740 | if (target->flavour == bfd_target_elf_flavour) | |
1741 | { | |
1742 | const struct elf_backend_data *bed; | |
1743 | ||
1744 | bed = xvec_get_elf_backend_data (target); | |
1745 | *((bfd_vma *) ((char *) bed + offset)) = size; | |
1746 | } | |
1747 | ||
1748 | if (target->alternative_target | |
1749 | && target->alternative_target != orig_target) | |
1750 | bfd_elf_set_pagesize (target->alternative_target, size, offset, | |
1751 | orig_target); | |
1752 | } | |
1753 | ||
1754 | /* | |
1755 | FUNCTION | |
1756 | bfd_emul_set_maxpagesize | |
1757 | ||
1758 | SYNOPSIS | |
1759 | void bfd_emul_set_maxpagesize (const char *, bfd_vma); | |
1760 | ||
1761 | DESCRIPTION | |
1762 | For ELF, set the maximum page size for the emulation. It is | |
1763 | a no-op for other formats. | |
1764 | ||
1765 | */ | |
1766 | ||
1767 | void | |
1768 | bfd_emul_set_maxpagesize (const char *emul, bfd_vma size) | |
1769 | { | |
1770 | const bfd_target *target; | |
1771 | ||
1772 | target = bfd_find_target (emul, NULL); | |
1773 | if (target) | |
1774 | bfd_elf_set_pagesize (target, size, | |
1775 | offsetof (struct elf_backend_data, | |
1776 | maxpagesize), target); | |
1777 | } | |
1778 | ||
1779 | /* | |
1780 | FUNCTION | |
1781 | bfd_emul_get_commonpagesize | |
1782 | ||
1783 | SYNOPSIS | |
1784 | bfd_vma bfd_emul_get_commonpagesize (const char *); | |
1785 | ||
1786 | DESCRIPTION | |
1787 | Returns the common page size, in bytes, as determined by | |
1788 | emulation. | |
1789 | ||
1790 | RETURNS | |
095106a2 | 1791 | Returns the common page size in bytes for ELF, 0 otherwise. |
24718e3b L |
1792 | */ |
1793 | ||
1794 | bfd_vma | |
1795 | bfd_emul_get_commonpagesize (const char *emul) | |
1796 | { | |
1797 | const bfd_target *target; | |
1798 | ||
1799 | target = bfd_find_target (emul, NULL); | |
1800 | if (target != NULL | |
1801 | && target->flavour == bfd_target_elf_flavour) | |
1802 | return xvec_get_elf_backend_data (target)->commonpagesize; | |
1803 | ||
24718e3b L |
1804 | return 0; |
1805 | } | |
1806 | ||
1807 | /* | |
1808 | FUNCTION | |
1809 | bfd_emul_set_commonpagesize | |
1810 | ||
1811 | SYNOPSIS | |
1812 | void bfd_emul_set_commonpagesize (const char *, bfd_vma); | |
1813 | ||
1814 | DESCRIPTION | |
1815 | For ELF, set the common page size for the emulation. It is | |
1816 | a no-op for other formats. | |
1817 | ||
1818 | */ | |
1819 | ||
1820 | void | |
1821 | bfd_emul_set_commonpagesize (const char *emul, bfd_vma size) | |
1822 | { | |
1823 | const bfd_target *target; | |
1824 | ||
1825 | target = bfd_find_target (emul, NULL); | |
1826 | if (target) | |
1827 | bfd_elf_set_pagesize (target, size, | |
1828 | offsetof (struct elf_backend_data, | |
1829 | commonpagesize), target); | |
1830 | } | |
3fad56a3 AM |
1831 | |
1832 | /* | |
1833 | FUNCTION | |
1834 | bfd_demangle | |
1835 | ||
1836 | SYNOPSIS | |
1837 | char *bfd_demangle (bfd *, const char *, int); | |
1838 | ||
1839 | DESCRIPTION | |
1840 | Wrapper around cplus_demangle. Strips leading underscores and | |
1841 | other such chars that would otherwise confuse the demangler. | |
1842 | If passed a g++ v3 ABI mangled name, returns a buffer allocated | |
1843 | with malloc holding the demangled name. Returns NULL otherwise | |
1844 | and on memory alloc failure. | |
1845 | */ | |
1846 | ||
1847 | char * | |
1848 | bfd_demangle (bfd *abfd, const char *name, int options) | |
1849 | { | |
1850 | char *res, *alloc; | |
1851 | const char *pre, *suf; | |
1852 | size_t pre_len; | |
c29aae59 | 1853 | bfd_boolean skip_lead; |
3fad56a3 | 1854 | |
c29aae59 AM |
1855 | skip_lead = (abfd != NULL |
1856 | && *name != '\0' | |
1857 | && bfd_get_symbol_leading_char (abfd) == *name); | |
1858 | if (skip_lead) | |
3fad56a3 AM |
1859 | ++name; |
1860 | ||
1861 | /* This is a hack for better error reporting on XCOFF, PowerPC64-ELF | |
1862 | or the MS PE format. These formats have a number of leading '.'s | |
1863 | on at least some symbols, so we remove all dots to avoid | |
1864 | confusing the demangler. */ | |
1865 | pre = name; | |
1866 | while (*name == '.' || *name == '$') | |
1867 | ++name; | |
1868 | pre_len = name - pre; | |
1869 | ||
1870 | /* Strip off @plt and suchlike too. */ | |
1871 | alloc = NULL; | |
1872 | suf = strchr (name, '@'); | |
1873 | if (suf != NULL) | |
1874 | { | |
a50b1753 | 1875 | alloc = (char *) bfd_malloc (suf - name + 1); |
3fad56a3 AM |
1876 | if (alloc == NULL) |
1877 | return NULL; | |
1878 | memcpy (alloc, name, suf - name); | |
1879 | alloc[suf - name] = '\0'; | |
1880 | name = alloc; | |
1881 | } | |
1882 | ||
1883 | res = cplus_demangle (name, options); | |
1884 | ||
1885 | if (alloc != NULL) | |
1886 | free (alloc); | |
1887 | ||
1888 | if (res == NULL) | |
c29aae59 AM |
1889 | { |
1890 | if (skip_lead) | |
1891 | { | |
1892 | size_t len = strlen (pre) + 1; | |
a50b1753 | 1893 | alloc = (char *) bfd_malloc (len); |
c29aae59 AM |
1894 | if (alloc == NULL) |
1895 | return NULL; | |
1896 | memcpy (alloc, pre, len); | |
1897 | return alloc; | |
1898 | } | |
1899 | return NULL; | |
1900 | } | |
3fad56a3 AM |
1901 | |
1902 | /* Put back any prefix or suffix. */ | |
1903 | if (pre_len != 0 || suf != NULL) | |
1904 | { | |
1905 | size_t len; | |
1906 | size_t suf_len; | |
1907 | char *final; | |
1908 | ||
1909 | len = strlen (res); | |
1910 | if (suf == NULL) | |
1911 | suf = res + len; | |
1912 | suf_len = strlen (suf) + 1; | |
a50b1753 | 1913 | final = (char *) bfd_malloc (pre_len + len + suf_len); |
32e8a950 NC |
1914 | if (final != NULL) |
1915 | { | |
1916 | memcpy (final, pre, pre_len); | |
1917 | memcpy (final + pre_len, res, len); | |
1918 | memcpy (final + pre_len + len, suf, suf_len); | |
1919 | } | |
3fad56a3 AM |
1920 | free (res); |
1921 | res = final; | |
1922 | } | |
1923 | ||
1924 | return res; | |
1925 | } |