Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* ldmisc.c |
d003868e | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
dab69f68 | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012 |
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 | 49 | %G like %D, but only function name |
270396f2 | 50 | %H like %C but in addition emit section+offset |
d003868e | 51 | %I filename from a lang_input_statement_type |
252b5132 | 52 | %P print program name |
d003868e | 53 | %R info about a relent |
dab69f68 | 54 | %S print script file and linenumber from etree_type. |
252b5132 | 55 | %T symbol name |
252b5132 | 56 | %V hex bfd_vma |
252b5132 | 57 | %W hex bfd_vma with 0x with no leading zeros taking up 8 spaces |
d003868e | 58 | %X no object output, fail return |
252b5132 | 59 | %d integer, like printf |
94b50910 AM |
60 | %ld long, like printf |
61 | %lu unsigned long, like printf | |
5d3236ee | 62 | %p native (host) void* pointer, like printf |
d003868e | 63 | %s arbitrary string, like printf |
252b5132 | 64 | %u integer, like printf |
d003868e | 65 | %v hex bfd_vma, no leading zeros |
252b5132 RH |
66 | */ |
67 | ||
5d3236ee | 68 | void |
59ef2528 | 69 | vfinfo (FILE *fp, const char *fmt, va_list arg, bfd_boolean is_warning) |
252b5132 | 70 | { |
b34976b6 | 71 | bfd_boolean fatal = FALSE; |
252b5132 RH |
72 | |
73 | while (*fmt != '\0') | |
74 | { | |
23916fff | 75 | const char *str = fmt; |
6d5e62f8 | 76 | while (*fmt != '%' && *fmt != '\0') |
23916fff MF |
77 | fmt++; |
78 | if (fmt != str) | |
79 | if (fwrite (str, 1, fmt - str, fp)) | |
80 | { | |
81 | /* Ignore. */ | |
82 | } | |
252b5132 | 83 | |
6d5e62f8 | 84 | if (*fmt == '%') |
252b5132 | 85 | { |
6d5e62f8 KH |
86 | fmt++; |
87 | switch (*fmt++) | |
252b5132 | 88 | { |
252b5132 RH |
89 | case '%': |
90 | /* literal % */ | |
91 | putc ('%', fp); | |
92 | break; | |
93 | ||
94 | case 'X': | |
95 | /* no object output, fail return */ | |
b34976b6 | 96 | config.make_executable = FALSE; |
252b5132 RH |
97 | break; |
98 | ||
99 | case 'V': | |
100 | /* hex bfd_vma */ | |
101 | { | |
102 | bfd_vma value = va_arg (arg, bfd_vma); | |
103 | fprintf_vma (fp, value); | |
104 | } | |
105 | break; | |
106 | ||
107 | case 'v': | |
108 | /* hex bfd_vma, no leading zeros */ | |
109 | { | |
110 | char buf[100]; | |
111 | char *p = buf; | |
112 | bfd_vma value = va_arg (arg, bfd_vma); | |
113 | sprintf_vma (p, value); | |
114 | while (*p == '0') | |
115 | p++; | |
116 | if (!*p) | |
117 | p--; | |
118 | fputs (p, fp); | |
119 | } | |
120 | break; | |
121 | ||
122 | case 'W': | |
123 | /* hex bfd_vma with 0x with no leading zeroes taking up | |
1579bae1 | 124 | 8 spaces. */ |
252b5132 RH |
125 | { |
126 | char buf[100]; | |
127 | bfd_vma value; | |
128 | char *p; | |
129 | int len; | |
130 | ||
131 | value = va_arg (arg, bfd_vma); | |
132 | sprintf_vma (buf, value); | |
133 | for (p = buf; *p == '0'; ++p) | |
134 | ; | |
135 | if (*p == '\0') | |
136 | --p; | |
137 | len = strlen (p); | |
138 | while (len < 8) | |
139 | { | |
140 | putc (' ', fp); | |
141 | ++len; | |
142 | } | |
143 | fprintf (fp, "0x%s", p); | |
144 | } | |
145 | break; | |
146 | ||
147 | case 'T': | |
148 | /* Symbol name. */ | |
149 | { | |
150 | const char *name = va_arg (arg, const char *); | |
151 | ||
1579bae1 | 152 | if (name == NULL || *name == 0) |
73705ac3 AM |
153 | { |
154 | fprintf (fp, _("no symbol")); | |
155 | break; | |
156 | } | |
157 | else if (demangling) | |
252b5132 RH |
158 | { |
159 | char *demangled; | |
160 | ||
f13a99db | 161 | demangled = bfd_demangle (link_info.output_bfd, name, |
73705ac3 AM |
162 | DMGL_ANSI | DMGL_PARAMS); |
163 | if (demangled != NULL) | |
164 | { | |
165 | fprintf (fp, "%s", demangled); | |
166 | free (demangled); | |
167 | break; | |
168 | } | |
252b5132 | 169 | } |
73705ac3 | 170 | fprintf (fp, "%s", name); |
252b5132 RH |
171 | } |
172 | break; | |
173 | ||
d003868e AM |
174 | case 'A': |
175 | /* section name from a section */ | |
176 | { | |
177 | asection *sec = va_arg (arg, asection *); | |
178 | bfd *abfd = sec->owner; | |
179 | const char *group = NULL; | |
180 | struct coff_comdat_info *ci; | |
181 | ||
182 | fprintf (fp, "%s", sec->name); | |
183 | if (abfd != NULL | |
184 | && bfd_get_flavour (abfd) == bfd_target_elf_flavour | |
185 | && elf_next_in_group (sec) != NULL | |
186 | && (sec->flags & SEC_GROUP) == 0) | |
187 | group = elf_group_name (sec); | |
188 | else if (abfd != NULL | |
189 | && bfd_get_flavour (abfd) == bfd_target_coff_flavour | |
190 | && (ci = bfd_coff_get_comdat_section (sec->owner, | |
191 | sec)) != NULL) | |
192 | group = ci->name; | |
193 | if (group != NULL) | |
194 | fprintf (fp, "[%s]", group); | |
195 | } | |
196 | break; | |
197 | ||
252b5132 RH |
198 | case 'B': |
199 | /* filename from a bfd */ | |
6d5e62f8 | 200 | { |
252b5132 | 201 | bfd *abfd = va_arg (arg, bfd *); |
f2763b01 NC |
202 | |
203 | if (abfd == NULL) | |
e1fffbe6 | 204 | fprintf (fp, "%s generated", program_name); |
f2763b01 | 205 | else if (abfd->my_archive) |
252b5132 RH |
206 | fprintf (fp, "%s(%s)", abfd->my_archive->filename, |
207 | abfd->filename); | |
208 | else | |
209 | fprintf (fp, "%s", abfd->filename); | |
210 | } | |
211 | break; | |
212 | ||
213 | case 'F': | |
6d5e62f8 | 214 | /* Error is fatal. */ |
b34976b6 | 215 | fatal = TRUE; |
252b5132 RH |
216 | break; |
217 | ||
218 | case 'P': | |
6d5e62f8 | 219 | /* Print program name. */ |
252b5132 RH |
220 | fprintf (fp, "%s", program_name); |
221 | break; | |
222 | ||
223 | case 'E': | |
224 | /* current bfd error or errno */ | |
305c7206 | 225 | fprintf (fp, "%s", bfd_errmsg (bfd_get_error ())); |
252b5132 RH |
226 | break; |
227 | ||
228 | case 'I': | |
229 | /* filename from a lang_input_statement_type */ | |
230 | { | |
231 | lang_input_statement_type *i; | |
232 | ||
233 | i = va_arg (arg, lang_input_statement_type *); | |
234 | if (bfd_my_archive (i->the_bfd) != NULL) | |
235 | fprintf (fp, "(%s)", | |
236 | bfd_get_filename (bfd_my_archive (i->the_bfd))); | |
237 | fprintf (fp, "%s", i->local_sym_name); | |
238 | if (bfd_my_archive (i->the_bfd) == NULL | |
42627821 | 239 | && filename_cmp (i->local_sym_name, i->filename) != 0) |
252b5132 RH |
240 | fprintf (fp, " (%s)", i->filename); |
241 | } | |
242 | break; | |
243 | ||
244 | case 'S': | |
6d5e62f8 | 245 | /* Print script file and linenumber. */ |
dab69f68 | 246 | { |
39085894 | 247 | etree_type node; |
dab69f68 AM |
248 | etree_type *tp = va_arg (arg, etree_type *); |
249 | ||
250 | if (tp == NULL) | |
251 | { | |
39085894 | 252 | tp = &node; |
dab69f68 AM |
253 | tp->type.filename = ldlex_filename (); |
254 | tp->type.lineno = lineno; | |
255 | } | |
256 | if (tp->type.filename != NULL) | |
257 | fprintf (fp, "%s:%u", tp->type.filename, tp->type.lineno); | |
258 | } | |
252b5132 RH |
259 | break; |
260 | ||
261 | case 'R': | |
6d5e62f8 | 262 | /* Print all that's interesting about a relent. */ |
252b5132 RH |
263 | { |
264 | arelent *relent = va_arg (arg, arelent *); | |
6d5e62f8 | 265 | |
252b5132 RH |
266 | lfinfo (fp, "%s+0x%v (type %s)", |
267 | (*(relent->sym_ptr_ptr))->name, | |
268 | relent->addend, | |
269 | relent->howto->name); | |
270 | } | |
271 | break; | |
6d5e62f8 | 272 | |
252b5132 RH |
273 | case 'C': |
274 | case 'D': | |
275 | case 'G': | |
270396f2 | 276 | case 'H': |
5cfb2bb2 AM |
277 | /* Clever filename:linenumber with function name if possible. |
278 | The arguments are a BFD, a section, and an offset. */ | |
252b5132 RH |
279 | { |
280 | static bfd *last_bfd; | |
281 | static char *last_file = NULL; | |
282 | static char *last_function = NULL; | |
283 | bfd *abfd; | |
284 | asection *section; | |
285 | bfd_vma offset; | |
5c1d2f5f | 286 | asymbol **asymbols = NULL; |
252b5132 RH |
287 | const char *filename; |
288 | const char *functionname; | |
289 | unsigned int linenumber; | |
b34976b6 | 290 | bfd_boolean discard_last; |
270396f2 | 291 | bfd_boolean done; |
252b5132 RH |
292 | |
293 | abfd = va_arg (arg, bfd *); | |
294 | section = va_arg (arg, asection *); | |
295 | offset = va_arg (arg, bfd_vma); | |
296 | ||
5c1d2f5f | 297 | if (abfd != NULL) |
252b5132 | 298 | { |
5c1d2f5f AM |
299 | if (!bfd_generic_link_read_symbols (abfd)) |
300 | einfo (_("%B%F: could not read symbols: %E\n"), abfd); | |
301 | ||
302 | asymbols = bfd_get_outsymbols (abfd); | |
252b5132 RH |
303 | } |
304 | ||
e1fffbe6 AM |
305 | /* The GNU Coding Standard requires that error messages |
306 | be of the form: | |
e4492aa0 | 307 | |
98d87ee7 | 308 | source-file-name:lineno: message |
5cfb2bb2 | 309 | |
e1fffbe6 AM |
310 | We do not always have a line number available so if |
311 | we cannot find them we print out the section name and | |
270396f2 | 312 | offset instead. */ |
b34976b6 | 313 | discard_last = TRUE; |
e1fffbe6 AM |
314 | if (abfd != NULL |
315 | && bfd_find_nearest_line (abfd, section, asymbols, offset, | |
316 | &filename, &functionname, | |
317 | &linenumber)) | |
252b5132 | 318 | { |
270396f2 AM |
319 | if (functionname != NULL |
320 | && (fmt[-1] == 'C' || fmt[-1] == 'H')) | |
5cfb2bb2 | 321 | { |
e1fffbe6 AM |
322 | /* Detect the case where we are printing out a |
323 | message for the same function as the last | |
324 | call to vinfo ("%C"). In this situation do | |
325 | not print out the ABFD filename or the | |
326 | function name again. Note - we do still | |
327 | print out the source filename, as this will | |
328 | allow programs that parse the linker's output | |
329 | (eg emacs) to correctly locate multiple | |
330 | errors in the same source file. */ | |
252b5132 RH |
331 | if (last_bfd == NULL |
332 | || last_file == NULL | |
333 | || last_function == NULL | |
334 | || last_bfd != abfd | |
5cfb2bb2 | 335 | || (filename != NULL |
42627821 | 336 | && filename_cmp (last_file, filename) != 0) |
252b5132 RH |
337 | || strcmp (last_function, functionname) != 0) |
338 | { | |
a1c16379 | 339 | lfinfo (fp, _("%B: In function `%T':\n"), |
98d87ee7 | 340 | abfd, functionname); |
252b5132 RH |
341 | |
342 | last_bfd = abfd; | |
343 | if (last_file != NULL) | |
344 | free (last_file); | |
5cfb2bb2 AM |
345 | last_file = NULL; |
346 | if (filename) | |
347 | last_file = xstrdup (filename); | |
252b5132 RH |
348 | if (last_function != NULL) |
349 | free (last_function); | |
d1b2b2dc | 350 | last_function = xstrdup (functionname); |
252b5132 | 351 | } |
b34976b6 | 352 | discard_last = FALSE; |
252b5132 | 353 | } |
98d87ee7 | 354 | else |
a1c16379 | 355 | lfinfo (fp, "%B:", abfd); |
5cfb2bb2 AM |
356 | |
357 | if (filename != NULL) | |
a1c16379 | 358 | fprintf (fp, "%s:", filename); |
5cfb2bb2 | 359 | |
270396f2 | 360 | done = fmt[-1] != 'H'; |
5cfb2bb2 | 361 | if (functionname != NULL && fmt[-1] == 'G') |
a1c16379 JJ |
362 | lfinfo (fp, "%T", functionname); |
363 | else if (filename != NULL && linenumber != 0) | |
270396f2 | 364 | fprintf (fp, "%u%s", linenumber, ":" + done); |
a1c16379 | 365 | else |
270396f2 | 366 | done = FALSE; |
252b5132 | 367 | } |
98d87ee7 | 368 | else |
270396f2 AM |
369 | { |
370 | lfinfo (fp, "%B:", abfd); | |
371 | done = FALSE; | |
372 | } | |
373 | if (!done) | |
374 | lfinfo (fp, "(%A+0x%v)", section, offset); | |
252b5132 RH |
375 | |
376 | if (discard_last) | |
377 | { | |
378 | last_bfd = NULL; | |
379 | if (last_file != NULL) | |
380 | { | |
381 | free (last_file); | |
382 | last_file = NULL; | |
383 | } | |
384 | if (last_function != NULL) | |
385 | { | |
386 | free (last_function); | |
387 | last_function = NULL; | |
388 | } | |
389 | } | |
390 | } | |
391 | break; | |
6d5e62f8 | 392 | |
5d3236ee DK |
393 | case 'p': |
394 | /* native (host) void* pointer, like printf */ | |
395 | fprintf (fp, "%p", va_arg (arg, void *)); | |
396 | break; | |
397 | ||
252b5132 RH |
398 | case 's': |
399 | /* arbitrary string, like printf */ | |
400 | fprintf (fp, "%s", va_arg (arg, char *)); | |
401 | break; | |
402 | ||
403 | case 'd': | |
404 | /* integer, like printf */ | |
405 | fprintf (fp, "%d", va_arg (arg, int)); | |
406 | break; | |
407 | ||
408 | case 'u': | |
409 | /* unsigned integer, like printf */ | |
410 | fprintf (fp, "%u", va_arg (arg, unsigned int)); | |
411 | break; | |
94b50910 AM |
412 | |
413 | case 'l': | |
414 | if (*fmt == 'd') | |
415 | { | |
416 | fprintf (fp, "%ld", va_arg (arg, long)); | |
417 | ++fmt; | |
418 | break; | |
419 | } | |
420 | else if (*fmt == 'u') | |
421 | { | |
422 | fprintf (fp, "%lu", va_arg (arg, unsigned long)); | |
423 | ++fmt; | |
424 | break; | |
425 | } | |
426 | /* Fall thru */ | |
427 | ||
428 | default: | |
429 | fprintf (fp, "%%%c", fmt[-1]); | |
430 | break; | |
252b5132 RH |
431 | } |
432 | } | |
433 | } | |
434 | ||
59ef2528 | 435 | if (is_warning && config.fatal_warnings) |
b34976b6 | 436 | config.make_executable = FALSE; |
7ce691ae | 437 | |
b34976b6 | 438 | if (fatal) |
6d5e62f8 | 439 | xexit (1); |
252b5132 RH |
440 | } |
441 | ||
6d5e62f8 | 442 | /* Format info message and print on stdout. */ |
252b5132 RH |
443 | |
444 | /* (You would think this should be called just "info", but then you | |
1579bae1 | 445 | would be hosed by LynxOS, which defines that name in its libc.) */ |
252b5132 RH |
446 | |
447 | void | |
1579bae1 | 448 | info_msg (const char *fmt, ...) |
252b5132 | 449 | { |
1579bae1 | 450 | va_list arg; |
252b5132 | 451 | |
1579bae1 | 452 | va_start (arg, fmt); |
59ef2528 | 453 | vfinfo (stdout, fmt, arg, FALSE); |
1579bae1 | 454 | va_end (arg); |
252b5132 RH |
455 | } |
456 | ||
6d5e62f8 | 457 | /* ('e' for error.) Format info message and print on stderr. */ |
252b5132 RH |
458 | |
459 | void | |
1579bae1 | 460 | einfo (const char *fmt, ...) |
252b5132 | 461 | { |
1579bae1 | 462 | va_list arg; |
252b5132 | 463 | |
e922bcab | 464 | fflush (stdout); |
1579bae1 | 465 | va_start (arg, fmt); |
59ef2528 | 466 | vfinfo (stderr, fmt, arg, TRUE); |
1579bae1 | 467 | va_end (arg); |
e922bcab | 468 | fflush (stderr); |
252b5132 RH |
469 | } |
470 | ||
6d5e62f8 | 471 | void |
1579bae1 | 472 | info_assert (const char *file, unsigned int line) |
252b5132 RH |
473 | { |
474 | einfo (_("%F%P: internal error %s %d\n"), file, line); | |
475 | } | |
476 | ||
6d5e62f8 | 477 | /* ('m' for map) Format info message and print on map. */ |
252b5132 RH |
478 | |
479 | void | |
1579bae1 | 480 | minfo (const char *fmt, ...) |
252b5132 | 481 | { |
49fa1e15 AM |
482 | if (config.map_file != NULL) |
483 | { | |
484 | va_list arg; | |
252b5132 | 485 | |
49fa1e15 AM |
486 | va_start (arg, fmt); |
487 | vfinfo (config.map_file, fmt, arg, FALSE); | |
488 | va_end (arg); | |
489 | } | |
252b5132 RH |
490 | } |
491 | ||
492 | void | |
1579bae1 | 493 | lfinfo (FILE *file, const char *fmt, ...) |
252b5132 | 494 | { |
1579bae1 | 495 | va_list arg; |
252b5132 | 496 | |
1579bae1 | 497 | va_start (arg, fmt); |
59ef2528 | 498 | vfinfo (file, fmt, arg, FALSE); |
1579bae1 | 499 | va_end (arg); |
252b5132 RH |
500 | } |
501 | \f | |
502 | /* Functions to print the link map. */ | |
503 | ||
6d5e62f8 | 504 | void |
1579bae1 | 505 | print_space (void) |
252b5132 RH |
506 | { |
507 | fprintf (config.map_file, " "); | |
508 | } | |
509 | ||
6d5e62f8 | 510 | void |
1579bae1 | 511 | print_nl (void) |
252b5132 RH |
512 | { |
513 | fprintf (config.map_file, "\n"); | |
514 | } | |
45455cdd ILT |
515 | |
516 | /* A more or less friendly abort message. In ld.h abort is defined to | |
517 | call this function. */ | |
518 | ||
519 | void | |
1579bae1 | 520 | ld_abort (const char *file, int line, const char *fn) |
45455cdd ILT |
521 | { |
522 | if (fn != NULL) | |
523 | einfo (_("%P: internal error: aborting at %s line %d in %s\n"), | |
524 | file, line, fn); | |
525 | else | |
526 | einfo (_("%P: internal error: aborting at %s line %d\n"), | |
527 | file, line); | |
528 | einfo (_("%P%F: please report this bug\n")); | |
529 | xexit (1); | |
530 | } |