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