Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* addr2line.c -- convert addresses to line number and function name |
3f5e193b NC |
2 | Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
3 | 2007, 2009 Free Software Foundation, Inc. | |
c8c5888e | 4 | Contributed by Ulrich Lauther <Ulrich.Lauther@mchp.siemens.de> |
252b5132 RH |
5 | |
6 | This file is part of GNU Binutils. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
32866df7 | 10 | the Free Software Foundation; either version 3, or (at your option) |
252b5132 RH |
11 | any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
32866df7 NC |
20 | Foundation, 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
22 | ||
252b5132 | 23 | |
c8c5888e | 24 | /* Derived from objdump.c and nm.c by Ulrich.Lauther@mchp.siemens.de |
252b5132 | 25 | |
f462a9ea | 26 | Usage: |
252b5132 RH |
27 | addr2line [options] addr addr ... |
28 | or | |
f462a9ea | 29 | addr2line [options] |
252b5132 RH |
30 | |
31 | both forms write results to stdout, the second form reads addresses | |
32 | to be converted from stdin. */ | |
33 | ||
3db64b00 | 34 | #include "sysdep.h" |
252b5132 RH |
35 | #include "bfd.h" |
36 | #include "getopt.h" | |
37 | #include "libiberty.h" | |
38 | #include "demangle.h" | |
39 | #include "bucomm.h" | |
877c169d | 40 | #include "elf-bfd.h" |
252b5132 | 41 | |
0c552dc1 | 42 | static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */ |
be6f6493 | 43 | static bfd_boolean with_addresses; /* -a, show addresses. */ |
b34976b6 AM |
44 | static bfd_boolean with_functions; /* -f, show function names. */ |
45 | static bfd_boolean do_demangle; /* -C, demangle names. */ | |
68cdf72f | 46 | static bfd_boolean pretty_print; /* -p, print on one line. */ |
b34976b6 | 47 | static bfd_boolean base_names; /* -s, strip directory names. */ |
252b5132 RH |
48 | |
49 | static int naddr; /* Number of addresses to process. */ | |
50 | static char **addr; /* Hex addresses to process. */ | |
51 | ||
52 | static asymbol **syms; /* Symbol table. */ | |
53 | ||
54 | static struct option long_options[] = | |
55 | { | |
be6f6493 | 56 | {"addresses", no_argument, NULL, 'a'}, |
252b5132 | 57 | {"basenames", no_argument, NULL, 's'}, |
28c309a2 | 58 | {"demangle", optional_argument, NULL, 'C'}, |
252b5132 RH |
59 | {"exe", required_argument, NULL, 'e'}, |
60 | {"functions", no_argument, NULL, 'f'}, | |
0c552dc1 | 61 | {"inlines", no_argument, NULL, 'i'}, |
68cdf72f | 62 | {"pretty-print", no_argument, NULL, 'p'}, |
c5f8c388 | 63 | {"section", required_argument, NULL, 'j'}, |
252b5132 RH |
64 | {"target", required_argument, NULL, 'b'}, |
65 | {"help", no_argument, NULL, 'H'}, | |
66 | {"version", no_argument, NULL, 'V'}, | |
67 | {0, no_argument, 0, 0} | |
68 | }; | |
69 | ||
2da42df6 AJ |
70 | static void usage (FILE *, int); |
71 | static void slurp_symtab (bfd *); | |
72 | static void find_address_in_section (bfd *, asection *, void *); | |
c5f8c388 EB |
73 | static void find_offset_in_section (bfd *, asection *); |
74 | static void translate_addresses (bfd *, asection *); | |
252b5132 RH |
75 | \f |
76 | /* Print a usage message to STREAM and exit with STATUS. */ | |
77 | ||
78 | static void | |
2da42df6 | 79 | usage (FILE *stream, int status) |
252b5132 | 80 | { |
8b53311e NC |
81 | fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); |
82 | fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); | |
83 | fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); | |
84 | fprintf (stream, _(" The options are:\n\ | |
07012eee | 85 | @<file> Read options from <file>\n\ |
be6f6493 | 86 | -a --addresses Show addresses\n\ |
8b53311e NC |
87 | -b --target=<bfdname> Set the binary file format\n\ |
88 | -e --exe=<executable> Set the input file name (default is a.out)\n\ | |
c5f8c388 EB |
89 | -i --inlines Unwind inlined functions\n\ |
90 | -j --section=<name> Read section-relative offsets instead of addresses\n\ | |
68cdf72f | 91 | -p --pretty-print Make the output easier to read for humans\n\ |
8b53311e NC |
92 | -s --basenames Strip directory names\n\ |
93 | -f --functions Show function names\n\ | |
94 | -C --demangle[=style] Demangle function names\n\ | |
95 | -h --help Display this information\n\ | |
96 | -v --version Display the program's version\n\ | |
97 | \n")); | |
98 | ||
252b5132 | 99 | list_supported_targets (program_name, stream); |
92f01d61 | 100 | if (REPORT_BUGS_TO[0] && status == 0) |
8ad3436c | 101 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
102 | exit (status); |
103 | } | |
104 | \f | |
105 | /* Read in the symbol table. */ | |
106 | ||
107 | static void | |
2da42df6 | 108 | slurp_symtab (bfd *abfd) |
252b5132 | 109 | { |
d5e7ea07 | 110 | long storage; |
252b5132 | 111 | long symcount; |
d5e7ea07 | 112 | bfd_boolean dynamic = FALSE; |
252b5132 RH |
113 | |
114 | if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) | |
115 | return; | |
116 | ||
d5e7ea07 AM |
117 | storage = bfd_get_symtab_upper_bound (abfd); |
118 | if (storage == 0) | |
119 | { | |
120 | storage = bfd_get_dynamic_symtab_upper_bound (abfd); | |
121 | dynamic = TRUE; | |
122 | } | |
123 | if (storage < 0) | |
124 | bfd_fatal (bfd_get_filename (abfd)); | |
252b5132 | 125 | |
d5e7ea07 AM |
126 | syms = (asymbol **) xmalloc (storage); |
127 | if (dynamic) | |
128 | symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); | |
129 | else | |
130 | symcount = bfd_canonicalize_symtab (abfd, syms); | |
252b5132 RH |
131 | if (symcount < 0) |
132 | bfd_fatal (bfd_get_filename (abfd)); | |
0d0fb1ba NC |
133 | |
134 | /* If there are no symbols left after canonicalization and | |
135 | we have not tried the dynamic symbols then give them a go. */ | |
136 | if (symcount == 0 | |
137 | && ! dynamic | |
138 | && (storage = bfd_get_dynamic_symtab_upper_bound (abfd)) > 0) | |
139 | { | |
140 | free (syms); | |
141 | syms = xmalloc (storage); | |
142 | symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); | |
143 | } | |
252b5132 RH |
144 | } |
145 | \f | |
146 | /* These global variables are used to pass information between | |
147 | translate_addresses and find_address_in_section. */ | |
148 | ||
149 | static bfd_vma pc; | |
150 | static const char *filename; | |
151 | static const char *functionname; | |
152 | static unsigned int line; | |
9b8d1a36 | 153 | static unsigned int discriminator; |
b34976b6 | 154 | static bfd_boolean found; |
252b5132 RH |
155 | |
156 | /* Look for an address in a section. This is called via | |
157 | bfd_map_over_sections. */ | |
158 | ||
159 | static void | |
2da42df6 AJ |
160 | find_address_in_section (bfd *abfd, asection *section, |
161 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
162 | { |
163 | bfd_vma vma; | |
164 | bfd_size_type size; | |
165 | ||
166 | if (found) | |
167 | return; | |
168 | ||
169 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
170 | return; | |
171 | ||
172 | vma = bfd_get_section_vma (abfd, section); | |
173 | if (pc < vma) | |
174 | return; | |
175 | ||
135dfb4a | 176 | size = bfd_get_section_size (section); |
252b5132 RH |
177 | if (pc >= vma + size) |
178 | return; | |
179 | ||
9b8d1a36 CC |
180 | found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc - vma, |
181 | &filename, &functionname, | |
182 | &line, &discriminator); | |
252b5132 RH |
183 | } |
184 | ||
c5f8c388 EB |
185 | /* Look for an offset in a section. This is directly called. */ |
186 | ||
187 | static void | |
188 | find_offset_in_section (bfd *abfd, asection *section) | |
189 | { | |
190 | bfd_size_type size; | |
191 | ||
192 | if (found) | |
193 | return; | |
194 | ||
195 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
196 | return; | |
197 | ||
198 | size = bfd_get_section_size (section); | |
199 | if (pc >= size) | |
200 | return; | |
201 | ||
9b8d1a36 CC |
202 | found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc, |
203 | &filename, &functionname, | |
204 | &line, &discriminator); | |
c5f8c388 EB |
205 | } |
206 | ||
252b5132 RH |
207 | /* Read hexadecimal addresses from stdin, translate into |
208 | file_name:line_number and optionally function name. */ | |
209 | ||
210 | static void | |
c5f8c388 | 211 | translate_addresses (bfd *abfd, asection *section) |
252b5132 RH |
212 | { |
213 | int read_stdin = (naddr == 0); | |
214 | ||
215 | for (;;) | |
216 | { | |
217 | if (read_stdin) | |
218 | { | |
219 | char addr_hex[100]; | |
220 | ||
221 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
222 | break; | |
223 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
224 | } | |
225 | else | |
226 | { | |
227 | if (naddr <= 0) | |
228 | break; | |
229 | --naddr; | |
230 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
231 | } | |
232 | ||
670b0bad AM |
233 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
234 | { | |
235 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
236 | bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1); | |
237 | ||
238 | pc &= (sign << 1) - 1; | |
239 | if (bed->sign_extend_vma) | |
240 | pc = (pc ^ sign) - sign; | |
241 | } | |
877c169d | 242 | |
be6f6493 TG |
243 | if (with_addresses) |
244 | { | |
245 | printf ("0x"); | |
246 | bfd_printf_vma (abfd, pc); | |
68cdf72f TG |
247 | |
248 | if (pretty_print) | |
249 | printf (": "); | |
250 | else | |
251 | printf ("\n"); | |
be6f6493 TG |
252 | } |
253 | ||
b34976b6 | 254 | found = FALSE; |
c5f8c388 EB |
255 | if (section) |
256 | find_offset_in_section (abfd, section); | |
257 | else | |
258 | bfd_map_over_sections (abfd, find_address_in_section, NULL); | |
252b5132 RH |
259 | |
260 | if (! found) | |
261 | { | |
262 | if (with_functions) | |
a477bfd1 NC |
263 | { |
264 | if (pretty_print) | |
265 | printf ("?? "); | |
266 | else | |
267 | printf ("??\n"); | |
268 | } | |
252b5132 RH |
269 | printf ("??:0\n"); |
270 | } | |
271 | else | |
272 | { | |
68cdf72f TG |
273 | while (1) |
274 | { | |
275 | if (with_functions) | |
276 | { | |
277 | const char *name; | |
278 | char *alloc = NULL; | |
279 | ||
280 | name = functionname; | |
281 | if (name == NULL || *name == '\0') | |
282 | name = "??"; | |
283 | else if (do_demangle) | |
284 | { | |
285 | alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); | |
286 | if (alloc != NULL) | |
287 | name = alloc; | |
288 | } | |
289 | ||
290 | printf ("%s", name); | |
291 | if (pretty_print) | |
9cf03b7e NC |
292 | /* Note for translators: This printf is used to join the |
293 | function name just printed above to the line number/ | |
294 | file name pair that is about to be printed below. Eg: | |
295 | ||
296 | foo at 123:bar.c */ | |
68cdf72f TG |
297 | printf (_(" at ")); |
298 | else | |
299 | printf ("\n"); | |
300 | ||
301 | if (alloc != NULL) | |
302 | free (alloc); | |
303 | } | |
304 | ||
305 | if (base_names && filename != NULL) | |
306 | { | |
307 | char *h; | |
308 | ||
309 | h = strrchr (filename, '/'); | |
310 | if (h != NULL) | |
311 | filename = h + 1; | |
312 | } | |
313 | ||
670b0bad AM |
314 | printf ("%s:", filename ? filename : "??"); |
315 | if (line != 0) | |
9b8d1a36 CC |
316 | { |
317 | if (discriminator != 0) | |
318 | printf ("%u (discriminator %u)\n", line, discriminator); | |
319 | else | |
320 | printf ("%u\n", line); | |
321 | } | |
670b0bad AM |
322 | else |
323 | printf ("?\n"); | |
68cdf72f TG |
324 | if (!unwind_inlines) |
325 | found = FALSE; | |
326 | else | |
9cf03b7e NC |
327 | found = bfd_find_inliner_info (abfd, &filename, &functionname, |
328 | &line); | |
68cdf72f TG |
329 | if (! found) |
330 | break; | |
331 | if (pretty_print) | |
9cf03b7e NC |
332 | /* Note for translators: This printf is used to join the |
333 | line number/file name pair that has just been printed with | |
334 | the line number/file name pair that is going to be printed | |
335 | by the next iteration of the while loop. Eg: | |
336 | ||
337 | 123:bar.c (inlined by) 456:main.c */ | |
68cdf72f TG |
338 | printf (_(" (inlined by) ")); |
339 | } | |
252b5132 RH |
340 | } |
341 | ||
342 | /* fflush() is essential for using this command as a server | |
343 | child process that reads addresses from a pipe and responds | |
344 | with line number information, processing one address at a | |
345 | time. */ | |
346 | fflush (stdout); | |
347 | } | |
348 | } | |
349 | ||
d68c385b | 350 | /* Process a file. Returns an exit value for main(). */ |
252b5132 | 351 | |
d68c385b | 352 | static int |
c5f8c388 EB |
353 | process_file (const char *file_name, const char *section_name, |
354 | const char *target) | |
252b5132 RH |
355 | { |
356 | bfd *abfd; | |
c5f8c388 | 357 | asection *section; |
252b5132 RH |
358 | char **matching; |
359 | ||
f24ddbdd | 360 | if (get_file_size (file_name) < 1) |
d68c385b | 361 | return 1; |
f24ddbdd | 362 | |
47badb7b | 363 | abfd = bfd_openr (file_name, target); |
252b5132 | 364 | if (abfd == NULL) |
47badb7b | 365 | bfd_fatal (file_name); |
252b5132 | 366 | |
4a114e3e L |
367 | /* Decompress sections. */ |
368 | abfd->flags |= BFD_DECOMPRESS; | |
369 | ||
252b5132 | 370 | if (bfd_check_format (abfd, bfd_archive)) |
c5f8c388 | 371 | fatal (_("%s: cannot get addresses from archive"), file_name); |
252b5132 RH |
372 | |
373 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
374 | { | |
375 | bfd_nonfatal (bfd_get_filename (abfd)); | |
376 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
377 | { | |
378 | list_matching_formats (matching); | |
379 | free (matching); | |
380 | } | |
381 | xexit (1); | |
382 | } | |
383 | ||
c5f8c388 EB |
384 | if (section_name != NULL) |
385 | { | |
386 | section = bfd_get_section_by_name (abfd, section_name); | |
387 | if (section == NULL) | |
388 | fatal (_("%s: cannot find section %s"), file_name, section_name); | |
389 | } | |
390 | else | |
391 | section = NULL; | |
392 | ||
252b5132 RH |
393 | slurp_symtab (abfd); |
394 | ||
c5f8c388 | 395 | translate_addresses (abfd, section); |
252b5132 RH |
396 | |
397 | if (syms != NULL) | |
398 | { | |
399 | free (syms); | |
400 | syms = NULL; | |
401 | } | |
402 | ||
403 | bfd_close (abfd); | |
d68c385b NC |
404 | |
405 | return 0; | |
252b5132 RH |
406 | } |
407 | \f | |
408 | int | |
2da42df6 | 409 | main (int argc, char **argv) |
252b5132 | 410 | { |
47badb7b | 411 | const char *file_name; |
c5f8c388 | 412 | const char *section_name; |
252b5132 RH |
413 | char *target; |
414 | int c; | |
415 | ||
416 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
417 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
418 | #endif |
419 | #if defined (HAVE_SETLOCALE) | |
420 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
421 | #endif |
422 | bindtextdomain (PACKAGE, LOCALEDIR); | |
423 | textdomain (PACKAGE); | |
424 | ||
425 | program_name = *argv; | |
426 | xmalloc_set_program_name (program_name); | |
427 | ||
869b9d07 MM |
428 | expandargv (&argc, &argv); |
429 | ||
252b5132 RH |
430 | bfd_init (); |
431 | set_default_bfd_target (); | |
432 | ||
47badb7b | 433 | file_name = NULL; |
c5f8c388 | 434 | section_name = NULL; |
252b5132 | 435 | target = NULL; |
68cdf72f | 436 | while ((c = getopt_long (argc, argv, "ab:Ce:sfHhij:pVv", long_options, (int *) 0)) |
252b5132 RH |
437 | != EOF) |
438 | { | |
439 | switch (c) | |
440 | { | |
441 | case 0: | |
8b53311e | 442 | break; /* We've been given a long option. */ |
be6f6493 TG |
443 | case 'a': |
444 | with_addresses = TRUE; | |
445 | break; | |
252b5132 RH |
446 | case 'b': |
447 | target = optarg; | |
448 | break; | |
449 | case 'C': | |
b34976b6 | 450 | do_demangle = TRUE; |
28c309a2 NC |
451 | if (optarg != NULL) |
452 | { | |
453 | enum demangling_styles style; | |
f462a9ea | 454 | |
28c309a2 | 455 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 456 | if (style == unknown_demangling) |
28c309a2 NC |
457 | fatal (_("unknown demangling style `%s'"), |
458 | optarg); | |
f462a9ea | 459 | |
28c309a2 | 460 | cplus_demangle_set_style (style); |
f462a9ea | 461 | } |
252b5132 RH |
462 | break; |
463 | case 'e': | |
47badb7b | 464 | file_name = optarg; |
252b5132 RH |
465 | break; |
466 | case 's': | |
b34976b6 | 467 | base_names = TRUE; |
252b5132 RH |
468 | break; |
469 | case 'f': | |
b34976b6 | 470 | with_functions = TRUE; |
252b5132 | 471 | break; |
68cdf72f TG |
472 | case 'p': |
473 | pretty_print = TRUE; | |
474 | break; | |
8b53311e | 475 | case 'v': |
252b5132 RH |
476 | case 'V': |
477 | print_version ("addr2line"); | |
478 | break; | |
8b53311e | 479 | case 'h': |
252b5132 RH |
480 | case 'H': |
481 | usage (stdout, 0); | |
482 | break; | |
0c552dc1 FF |
483 | case 'i': |
484 | unwind_inlines = TRUE; | |
485 | break; | |
c5f8c388 EB |
486 | case 'j': |
487 | section_name = optarg; | |
488 | break; | |
252b5132 RH |
489 | default: |
490 | usage (stderr, 1); | |
491 | break; | |
492 | } | |
493 | } | |
494 | ||
47badb7b NC |
495 | if (file_name == NULL) |
496 | file_name = "a.out"; | |
252b5132 RH |
497 | |
498 | addr = argv + optind; | |
499 | naddr = argc - optind; | |
500 | ||
d68c385b | 501 | return process_file (file_name, section_name, target); |
252b5132 | 502 | } |