Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* ldmisc.c |
d003868e | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
e922bcab | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | Written by Steve Chamberlain of Cygnus Support. | |
6 | ||
f96b4a7b | 7 | This file is part of the GNU Binutils. |
252b5132 | 8 | |
f96b4a7b | 9 | This program is free software; you can redistribute it and/or modify |
5ed6aba4 | 10 | it under the terms of the GNU General Public License as published by |
f96b4a7b NC |
11 | the Free Software Foundation; either version 3 of the License, or |
12 | (at your option) any later version. | |
252b5132 | 13 | |
f96b4a7b | 14 | This program is distributed in the hope that it will be useful, |
5ed6aba4 NC |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
252b5132 | 18 | |
5ed6aba4 | 19 | You should have received a copy of the GNU General Public License |
f96b4a7b NC |
20 | along with this program; if not, write to the Free Software |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
22 | MA 02110-1301, USA. */ | |
252b5132 | 23 | |
3db64b00 | 24 | #include "sysdep.h" |
252b5132 | 25 | #include "bfd.h" |
6f6f27f8 | 26 | #include "bfdlink.h" |
252b5132 | 27 | #include "libiberty.h" |
42627821 | 28 | #include "filenames.h" |
252b5132 | 29 | #include "demangle.h" |
252b5132 | 30 | #include <stdarg.h> |
252b5132 RH |
31 | #include "ld.h" |
32 | #include "ldmisc.h" | |
33 | #include "ldexp.h" | |
34 | #include "ldlang.h" | |
df2a7313 | 35 | #include <ldgram.h> |
252b5132 RH |
36 | #include "ldlex.h" |
37 | #include "ldmain.h" | |
38 | #include "ldfile.h" | |
d003868e | 39 | #include "elf-bfd.h" |
252b5132 | 40 | |
252b5132 RH |
41 | /* |
42 | %% literal % | |
d003868e AM |
43 | %A section name from a section |
44 | %B filename from a bfd | |
45 | %C clever filename:linenumber with function | |
46 | %D like %C, but no function name | |
47 | %E current bfd error or errno | |
252b5132 | 48 | %F error is fatal |
d003868e AM |
49 | %G like %D, but only function name |
50 | %I filename from a lang_input_statement_type | |
252b5132 | 51 | %P print program name |
d003868e | 52 | %R info about a relent |
252b5132 | 53 | %S print script file and linenumber |
252b5132 | 54 | %T symbol name |
252b5132 | 55 | %V hex bfd_vma |
252b5132 | 56 | %W hex bfd_vma with 0x with no leading zeros taking up 8 spaces |
d003868e | 57 | %X no object output, fail return |
252b5132 | 58 | %d integer, like printf |
94b50910 AM |
59 | %ld long, like printf |
60 | %lu unsigned long, like printf | |
5d3236ee | 61 | %p native (host) void* pointer, like printf |
d003868e | 62 | %s arbitrary string, like printf |
252b5132 | 63 | %u integer, like printf |
d003868e | 64 | %v hex bfd_vma, no leading zeros |
252b5132 RH |
65 | */ |
66 | ||
5d3236ee | 67 | void |
59ef2528 | 68 | vfinfo (FILE *fp, const char *fmt, va_list arg, bfd_boolean is_warning) |
252b5132 | 69 | { |
b34976b6 | 70 | bfd_boolean fatal = FALSE; |
252b5132 RH |
71 | |
72 | while (*fmt != '\0') | |
73 | { | |
6d5e62f8 | 74 | while (*fmt != '%' && *fmt != '\0') |
252b5132 RH |
75 | { |
76 | putc (*fmt, fp); | |
77 | fmt++; | |
78 | } | |
79 | ||
6d5e62f8 | 80 | if (*fmt == '%') |
252b5132 | 81 | { |
6d5e62f8 KH |
82 | fmt++; |
83 | switch (*fmt++) | |
252b5132 | 84 | { |
252b5132 RH |
85 | case '%': |
86 | /* literal % */ | |
87 | putc ('%', fp); | |
88 | break; | |
89 | ||
90 | case 'X': | |
91 | /* no object output, fail return */ | |
b34976b6 | 92 | config.make_executable = FALSE; |
252b5132 RH |
93 | break; |
94 | ||
95 | case 'V': | |
96 | /* hex bfd_vma */ | |
97 | { | |
98 | bfd_vma value = va_arg (arg, bfd_vma); | |
99 | fprintf_vma (fp, value); | |
100 | } | |
101 | break; | |
102 | ||
103 | case 'v': | |
104 | /* hex bfd_vma, no leading zeros */ | |
105 | { | |
106 | char buf[100]; | |
107 | char *p = buf; | |
108 | bfd_vma value = va_arg (arg, bfd_vma); | |
109 | sprintf_vma (p, value); | |
110 | while (*p == '0') | |
111 | p++; | |
112 | if (!*p) | |
113 | p--; | |
114 | fputs (p, fp); | |
115 | } | |
116 | break; | |
117 | ||
118 | case 'W': | |
119 | /* hex bfd_vma with 0x with no leading zeroes taking up | |
1579bae1 | 120 | 8 spaces. */ |
252b5132 RH |
121 | { |
122 | char buf[100]; | |
123 | bfd_vma value; | |
124 | char *p; | |
125 | int len; | |
126 | ||
127 | value = va_arg (arg, bfd_vma); | |
128 | sprintf_vma (buf, value); | |
129 | for (p = buf; *p == '0'; ++p) | |
130 | ; | |
131 | if (*p == '\0') | |
132 | --p; | |
133 | len = strlen (p); | |
134 | while (len < 8) | |
135 | { | |
136 | putc (' ', fp); | |
137 | ++len; | |
138 | } | |
139 | fprintf (fp, "0x%s", p); | |
140 | } | |
141 | break; | |
142 | ||
143 | case 'T': | |
144 | /* Symbol name. */ | |
145 | { | |
146 | const char *name = va_arg (arg, const char *); | |
147 | ||
1579bae1 | 148 | if (name == NULL || *name == 0) |
73705ac3 AM |
149 | { |
150 | fprintf (fp, _("no symbol")); | |
151 | break; | |
152 | } | |
153 | else if (demangling) | |
252b5132 RH |
154 | { |
155 | char *demangled; | |
156 | ||
f13a99db | 157 | demangled = bfd_demangle (link_info.output_bfd, name, |
73705ac3 AM |
158 | DMGL_ANSI | DMGL_PARAMS); |
159 | if (demangled != NULL) | |
160 | { | |
161 | fprintf (fp, "%s", demangled); | |
162 | free (demangled); | |
163 | break; | |
164 | } | |
252b5132 | 165 | } |
73705ac3 | 166 | fprintf (fp, "%s", name); |
252b5132 RH |
167 | } |
168 | break; | |
169 | ||
d003868e AM |
170 | case 'A': |
171 | /* section name from a section */ | |
172 | { | |
173 | asection *sec = va_arg (arg, asection *); | |
174 | bfd *abfd = sec->owner; | |
175 | const char *group = NULL; | |
176 | struct coff_comdat_info *ci; | |
177 | ||
178 | fprintf (fp, "%s", sec->name); | |
179 | if (abfd != NULL | |
180 | && bfd_get_flavour (abfd) == bfd_target_elf_flavour | |
181 | && elf_next_in_group (sec) != NULL | |
182 | && (sec->flags & SEC_GROUP) == 0) | |
183 | group = elf_group_name (sec); | |
184 | else if (abfd != NULL | |
185 | && bfd_get_flavour (abfd) == bfd_target_coff_flavour | |
186 | && (ci = bfd_coff_get_comdat_section (sec->owner, | |
187 | sec)) != NULL) | |
188 | group = ci->name; | |
189 | if (group != NULL) | |
190 | fprintf (fp, "[%s]", group); | |
191 | } | |
192 | break; | |
193 | ||
252b5132 RH |
194 | case 'B': |
195 | /* filename from a bfd */ | |
6d5e62f8 | 196 | { |
252b5132 | 197 | bfd *abfd = va_arg (arg, bfd *); |
f2763b01 NC |
198 | |
199 | if (abfd == NULL) | |
e1fffbe6 | 200 | fprintf (fp, "%s generated", program_name); |
f2763b01 | 201 | else if (abfd->my_archive) |
252b5132 RH |
202 | fprintf (fp, "%s(%s)", abfd->my_archive->filename, |
203 | abfd->filename); | |
204 | else | |
205 | fprintf (fp, "%s", abfd->filename); | |
206 | } | |
207 | break; | |
208 | ||
209 | case 'F': | |
6d5e62f8 | 210 | /* Error is fatal. */ |
b34976b6 | 211 | fatal = TRUE; |
252b5132 RH |
212 | break; |
213 | ||
214 | case 'P': | |
6d5e62f8 | 215 | /* Print program name. */ |
252b5132 RH |
216 | fprintf (fp, "%s", program_name); |
217 | break; | |
218 | ||
219 | case 'E': | |
220 | /* current bfd error or errno */ | |
305c7206 | 221 | fprintf (fp, "%s", bfd_errmsg (bfd_get_error ())); |
252b5132 RH |
222 | break; |
223 | ||
224 | case 'I': | |
225 | /* filename from a lang_input_statement_type */ | |
226 | { | |
227 | lang_input_statement_type *i; | |
228 | ||
229 | i = va_arg (arg, lang_input_statement_type *); | |
230 | if (bfd_my_archive (i->the_bfd) != NULL) | |
231 | fprintf (fp, "(%s)", | |
232 | bfd_get_filename (bfd_my_archive (i->the_bfd))); | |
233 | fprintf (fp, "%s", i->local_sym_name); | |
234 | if (bfd_my_archive (i->the_bfd) == NULL | |
42627821 | 235 | && filename_cmp (i->local_sym_name, i->filename) != 0) |
252b5132 RH |
236 | fprintf (fp, " (%s)", i->filename); |
237 | } | |
238 | break; | |
239 | ||
240 | case 'S': | |
6d5e62f8 | 241 | /* Print script file and linenumber. */ |
252b5132 RH |
242 | if (parsing_defsym) |
243 | fprintf (fp, "--defsym %s", lex_string); | |
244 | else if (ldfile_input_filename != NULL) | |
245 | fprintf (fp, "%s:%u", ldfile_input_filename, lineno); | |
246 | else | |
247 | fprintf (fp, _("built in linker script:%u"), lineno); | |
248 | break; | |
249 | ||
250 | case 'R': | |
6d5e62f8 | 251 | /* Print all that's interesting about a relent. */ |
252b5132 RH |
252 | { |
253 | arelent *relent = va_arg (arg, arelent *); | |
6d5e62f8 | 254 | |
252b5132 RH |
255 | lfinfo (fp, "%s+0x%v (type %s)", |
256 | (*(relent->sym_ptr_ptr))->name, | |
257 | relent->addend, | |
258 | relent->howto->name); | |
259 | } | |
260 | break; | |
6d5e62f8 | 261 | |
252b5132 RH |
262 | case 'C': |
263 | case 'D': | |
264 | case 'G': | |
5cfb2bb2 AM |
265 | /* Clever filename:linenumber with function name if possible. |
266 | The arguments are a BFD, a section, and an offset. */ | |
252b5132 RH |
267 | { |
268 | static bfd *last_bfd; | |
269 | static char *last_file = NULL; | |
270 | static char *last_function = NULL; | |
271 | bfd *abfd; | |
272 | asection *section; | |
273 | bfd_vma offset; | |
5c1d2f5f | 274 | asymbol **asymbols = NULL; |
252b5132 RH |
275 | const char *filename; |
276 | const char *functionname; | |
277 | unsigned int linenumber; | |
b34976b6 | 278 | bfd_boolean discard_last; |
252b5132 RH |
279 | |
280 | abfd = va_arg (arg, bfd *); | |
281 | section = va_arg (arg, asection *); | |
282 | offset = va_arg (arg, bfd_vma); | |
283 | ||
5c1d2f5f | 284 | if (abfd != NULL) |
252b5132 | 285 | { |
5c1d2f5f AM |
286 | if (!bfd_generic_link_read_symbols (abfd)) |
287 | einfo (_("%B%F: could not read symbols: %E\n"), abfd); | |
288 | ||
289 | asymbols = bfd_get_outsymbols (abfd); | |
252b5132 RH |
290 | } |
291 | ||
e1fffbe6 AM |
292 | /* The GNU Coding Standard requires that error messages |
293 | be of the form: | |
98d87ee7 NC |
294 | |
295 | source-file-name:lineno: message | |
5cfb2bb2 | 296 | |
e1fffbe6 AM |
297 | We do not always have a line number available so if |
298 | we cannot find them we print out the section name and | |
299 | offset instread. */ | |
b34976b6 | 300 | discard_last = TRUE; |
e1fffbe6 AM |
301 | if (abfd != NULL |
302 | && bfd_find_nearest_line (abfd, section, asymbols, offset, | |
303 | &filename, &functionname, | |
304 | &linenumber)) | |
252b5132 | 305 | { |
5cfb2bb2 AM |
306 | if (functionname != NULL && fmt[-1] == 'C') |
307 | { | |
e1fffbe6 AM |
308 | /* Detect the case where we are printing out a |
309 | message for the same function as the last | |
310 | call to vinfo ("%C"). In this situation do | |
311 | not print out the ABFD filename or the | |
312 | function name again. Note - we do still | |
313 | print out the source filename, as this will | |
314 | allow programs that parse the linker's output | |
315 | (eg emacs) to correctly locate multiple | |
316 | errors in the same source file. */ | |
252b5132 RH |
317 | if (last_bfd == NULL |
318 | || last_file == NULL | |
319 | || last_function == NULL | |
320 | || last_bfd != abfd | |
5cfb2bb2 | 321 | || (filename != NULL |
42627821 | 322 | && filename_cmp (last_file, filename) != 0) |
252b5132 RH |
323 | || strcmp (last_function, functionname) != 0) |
324 | { | |
a1c16379 | 325 | lfinfo (fp, _("%B: In function `%T':\n"), |
98d87ee7 | 326 | abfd, functionname); |
252b5132 RH |
327 | |
328 | last_bfd = abfd; | |
329 | if (last_file != NULL) | |
330 | free (last_file); | |
5cfb2bb2 AM |
331 | last_file = NULL; |
332 | if (filename) | |
333 | last_file = xstrdup (filename); | |
252b5132 RH |
334 | if (last_function != NULL) |
335 | free (last_function); | |
d1b2b2dc | 336 | last_function = xstrdup (functionname); |
252b5132 | 337 | } |
b34976b6 | 338 | discard_last = FALSE; |
252b5132 | 339 | } |
98d87ee7 | 340 | else |
a1c16379 | 341 | lfinfo (fp, "%B:", abfd); |
5cfb2bb2 AM |
342 | |
343 | if (filename != NULL) | |
a1c16379 | 344 | fprintf (fp, "%s:", filename); |
5cfb2bb2 AM |
345 | |
346 | if (functionname != NULL && fmt[-1] == 'G') | |
a1c16379 JJ |
347 | lfinfo (fp, "%T", functionname); |
348 | else if (filename != NULL && linenumber != 0) | |
349 | fprintf (fp, "%u", linenumber); | |
350 | else | |
351 | lfinfo (fp, "(%A+0x%v)", section, offset); | |
252b5132 | 352 | } |
98d87ee7 NC |
353 | else |
354 | lfinfo (fp, "%B:(%A+0x%v)", abfd, section, offset); | |
252b5132 RH |
355 | |
356 | if (discard_last) | |
357 | { | |
358 | last_bfd = NULL; | |
359 | if (last_file != NULL) | |
360 | { | |
361 | free (last_file); | |
362 | last_file = NULL; | |
363 | } | |
364 | if (last_function != NULL) | |
365 | { | |
366 | free (last_function); | |
367 | last_function = NULL; | |
368 | } | |
369 | } | |
370 | } | |
371 | break; | |
6d5e62f8 | 372 | |
5d3236ee DK |
373 | case 'p': |
374 | /* native (host) void* pointer, like printf */ | |
375 | fprintf (fp, "%p", va_arg (arg, void *)); | |
376 | break; | |
377 | ||
252b5132 RH |
378 | case 's': |
379 | /* arbitrary string, like printf */ | |
380 | fprintf (fp, "%s", va_arg (arg, char *)); | |
381 | break; | |
382 | ||
383 | case 'd': | |
384 | /* integer, like printf */ | |
385 | fprintf (fp, "%d", va_arg (arg, int)); | |
386 | break; | |
387 | ||
388 | case 'u': | |
389 | /* unsigned integer, like printf */ | |
390 | fprintf (fp, "%u", va_arg (arg, unsigned int)); | |
391 | break; | |
94b50910 AM |
392 | |
393 | case 'l': | |
394 | if (*fmt == 'd') | |
395 | { | |
396 | fprintf (fp, "%ld", va_arg (arg, long)); | |
397 | ++fmt; | |
398 | break; | |
399 | } | |
400 | else if (*fmt == 'u') | |
401 | { | |
402 | fprintf (fp, "%lu", va_arg (arg, unsigned long)); | |
403 | ++fmt; | |
404 | break; | |
405 | } | |
406 | /* Fall thru */ | |
407 | ||
408 | default: | |
409 | fprintf (fp, "%%%c", fmt[-1]); | |
410 | break; | |
252b5132 RH |
411 | } |
412 | } | |
413 | } | |
414 | ||
59ef2528 | 415 | if (is_warning && config.fatal_warnings) |
b34976b6 | 416 | config.make_executable = FALSE; |
7ce691ae | 417 | |
b34976b6 | 418 | if (fatal) |
6d5e62f8 | 419 | xexit (1); |
252b5132 RH |
420 | } |
421 | ||
6d5e62f8 | 422 | /* Format info message and print on stdout. */ |
252b5132 RH |
423 | |
424 | /* (You would think this should be called just "info", but then you | |
1579bae1 | 425 | would be hosed by LynxOS, which defines that name in its libc.) */ |
252b5132 RH |
426 | |
427 | void | |
1579bae1 | 428 | info_msg (const char *fmt, ...) |
252b5132 | 429 | { |
1579bae1 | 430 | va_list arg; |
252b5132 | 431 | |
1579bae1 | 432 | va_start (arg, fmt); |
59ef2528 | 433 | vfinfo (stdout, fmt, arg, FALSE); |
1579bae1 | 434 | va_end (arg); |
252b5132 RH |
435 | } |
436 | ||
6d5e62f8 | 437 | /* ('e' for error.) Format info message and print on stderr. */ |
252b5132 RH |
438 | |
439 | void | |
1579bae1 | 440 | einfo (const char *fmt, ...) |
252b5132 | 441 | { |
1579bae1 | 442 | va_list arg; |
252b5132 | 443 | |
e922bcab | 444 | fflush (stdout); |
1579bae1 | 445 | va_start (arg, fmt); |
59ef2528 | 446 | vfinfo (stderr, fmt, arg, TRUE); |
1579bae1 | 447 | va_end (arg); |
e922bcab | 448 | fflush (stderr); |
252b5132 RH |
449 | } |
450 | ||
6d5e62f8 | 451 | void |
1579bae1 | 452 | info_assert (const char *file, unsigned int line) |
252b5132 RH |
453 | { |
454 | einfo (_("%F%P: internal error %s %d\n"), file, line); | |
455 | } | |
456 | ||
6d5e62f8 | 457 | /* ('m' for map) Format info message and print on map. */ |
252b5132 RH |
458 | |
459 | void | |
1579bae1 | 460 | minfo (const char *fmt, ...) |
252b5132 | 461 | { |
49fa1e15 AM |
462 | if (config.map_file != NULL) |
463 | { | |
464 | va_list arg; | |
252b5132 | 465 | |
49fa1e15 AM |
466 | va_start (arg, fmt); |
467 | vfinfo (config.map_file, fmt, arg, FALSE); | |
468 | va_end (arg); | |
469 | } | |
252b5132 RH |
470 | } |
471 | ||
472 | void | |
1579bae1 | 473 | lfinfo (FILE *file, const char *fmt, ...) |
252b5132 | 474 | { |
1579bae1 | 475 | va_list arg; |
252b5132 | 476 | |
1579bae1 | 477 | va_start (arg, fmt); |
59ef2528 | 478 | vfinfo (file, fmt, arg, FALSE); |
1579bae1 | 479 | va_end (arg); |
252b5132 RH |
480 | } |
481 | \f | |
482 | /* Functions to print the link map. */ | |
483 | ||
6d5e62f8 | 484 | void |
1579bae1 | 485 | print_space (void) |
252b5132 RH |
486 | { |
487 | fprintf (config.map_file, " "); | |
488 | } | |
489 | ||
6d5e62f8 | 490 | void |
1579bae1 | 491 | print_nl (void) |
252b5132 RH |
492 | { |
493 | fprintf (config.map_file, "\n"); | |
494 | } | |
45455cdd ILT |
495 | |
496 | /* A more or less friendly abort message. In ld.h abort is defined to | |
497 | call this function. */ | |
498 | ||
499 | void | |
1579bae1 | 500 | ld_abort (const char *file, int line, const char *fn) |
45455cdd ILT |
501 | { |
502 | if (fn != NULL) | |
503 | einfo (_("%P: internal error: aborting at %s line %d in %s\n"), | |
504 | file, line, fn); | |
505 | else | |
506 | einfo (_("%P: internal error: aborting at %s line %d\n"), | |
507 | file, line); | |
508 | einfo (_("%P%F: please report this bug\n")); | |
509 | xexit (1); | |
510 | } |