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)); | |
133 | } | |
134 | \f | |
135 | /* These global variables are used to pass information between | |
136 | translate_addresses and find_address_in_section. */ | |
137 | ||
138 | static bfd_vma pc; | |
139 | static const char *filename; | |
140 | static const char *functionname; | |
141 | static unsigned int line; | |
9b8d1a36 | 142 | static unsigned int discriminator; |
b34976b6 | 143 | static bfd_boolean found; |
252b5132 RH |
144 | |
145 | /* Look for an address in a section. This is called via | |
146 | bfd_map_over_sections. */ | |
147 | ||
148 | static void | |
2da42df6 AJ |
149 | find_address_in_section (bfd *abfd, asection *section, |
150 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
151 | { |
152 | bfd_vma vma; | |
153 | bfd_size_type size; | |
154 | ||
155 | if (found) | |
156 | return; | |
157 | ||
158 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
159 | return; | |
160 | ||
161 | vma = bfd_get_section_vma (abfd, section); | |
162 | if (pc < vma) | |
163 | return; | |
164 | ||
135dfb4a | 165 | size = bfd_get_section_size (section); |
252b5132 RH |
166 | if (pc >= vma + size) |
167 | return; | |
168 | ||
9b8d1a36 CC |
169 | found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc - vma, |
170 | &filename, &functionname, | |
171 | &line, &discriminator); | |
252b5132 RH |
172 | } |
173 | ||
c5f8c388 EB |
174 | /* Look for an offset in a section. This is directly called. */ |
175 | ||
176 | static void | |
177 | find_offset_in_section (bfd *abfd, asection *section) | |
178 | { | |
179 | bfd_size_type size; | |
180 | ||
181 | if (found) | |
182 | return; | |
183 | ||
184 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
185 | return; | |
186 | ||
187 | size = bfd_get_section_size (section); | |
188 | if (pc >= size) | |
189 | return; | |
190 | ||
9b8d1a36 CC |
191 | found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc, |
192 | &filename, &functionname, | |
193 | &line, &discriminator); | |
c5f8c388 EB |
194 | } |
195 | ||
252b5132 RH |
196 | /* Read hexadecimal addresses from stdin, translate into |
197 | file_name:line_number and optionally function name. */ | |
198 | ||
199 | static void | |
c5f8c388 | 200 | translate_addresses (bfd *abfd, asection *section) |
252b5132 RH |
201 | { |
202 | int read_stdin = (naddr == 0); | |
203 | ||
204 | for (;;) | |
205 | { | |
206 | if (read_stdin) | |
207 | { | |
208 | char addr_hex[100]; | |
209 | ||
210 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
211 | break; | |
212 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
213 | } | |
214 | else | |
215 | { | |
216 | if (naddr <= 0) | |
217 | break; | |
218 | --naddr; | |
219 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
220 | } | |
221 | ||
670b0bad AM |
222 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
223 | { | |
224 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
225 | bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1); | |
226 | ||
227 | pc &= (sign << 1) - 1; | |
228 | if (bed->sign_extend_vma) | |
229 | pc = (pc ^ sign) - sign; | |
230 | } | |
877c169d | 231 | |
be6f6493 TG |
232 | if (with_addresses) |
233 | { | |
234 | printf ("0x"); | |
235 | bfd_printf_vma (abfd, pc); | |
68cdf72f TG |
236 | |
237 | if (pretty_print) | |
238 | printf (": "); | |
239 | else | |
240 | printf ("\n"); | |
be6f6493 TG |
241 | } |
242 | ||
b34976b6 | 243 | found = FALSE; |
c5f8c388 EB |
244 | if (section) |
245 | find_offset_in_section (abfd, section); | |
246 | else | |
247 | bfd_map_over_sections (abfd, find_address_in_section, NULL); | |
252b5132 RH |
248 | |
249 | if (! found) | |
250 | { | |
251 | if (with_functions) | |
a477bfd1 NC |
252 | { |
253 | if (pretty_print) | |
254 | printf ("?? "); | |
255 | else | |
256 | printf ("??\n"); | |
257 | } | |
252b5132 RH |
258 | printf ("??:0\n"); |
259 | } | |
260 | else | |
261 | { | |
68cdf72f TG |
262 | while (1) |
263 | { | |
264 | if (with_functions) | |
265 | { | |
266 | const char *name; | |
267 | char *alloc = NULL; | |
268 | ||
269 | name = functionname; | |
270 | if (name == NULL || *name == '\0') | |
271 | name = "??"; | |
272 | else if (do_demangle) | |
273 | { | |
274 | alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); | |
275 | if (alloc != NULL) | |
276 | name = alloc; | |
277 | } | |
278 | ||
279 | printf ("%s", name); | |
280 | if (pretty_print) | |
9cf03b7e NC |
281 | /* Note for translators: This printf is used to join the |
282 | function name just printed above to the line number/ | |
283 | file name pair that is about to be printed below. Eg: | |
284 | ||
285 | foo at 123:bar.c */ | |
68cdf72f TG |
286 | printf (_(" at ")); |
287 | else | |
288 | printf ("\n"); | |
289 | ||
290 | if (alloc != NULL) | |
291 | free (alloc); | |
292 | } | |
293 | ||
294 | if (base_names && filename != NULL) | |
295 | { | |
296 | char *h; | |
297 | ||
298 | h = strrchr (filename, '/'); | |
299 | if (h != NULL) | |
300 | filename = h + 1; | |
301 | } | |
302 | ||
670b0bad AM |
303 | printf ("%s:", filename ? filename : "??"); |
304 | if (line != 0) | |
9b8d1a36 CC |
305 | { |
306 | if (discriminator != 0) | |
307 | printf ("%u (discriminator %u)\n", line, discriminator); | |
308 | else | |
309 | printf ("%u\n", line); | |
310 | } | |
670b0bad AM |
311 | else |
312 | printf ("?\n"); | |
68cdf72f TG |
313 | if (!unwind_inlines) |
314 | found = FALSE; | |
315 | else | |
9cf03b7e NC |
316 | found = bfd_find_inliner_info (abfd, &filename, &functionname, |
317 | &line); | |
68cdf72f TG |
318 | if (! found) |
319 | break; | |
320 | if (pretty_print) | |
9cf03b7e NC |
321 | /* Note for translators: This printf is used to join the |
322 | line number/file name pair that has just been printed with | |
323 | the line number/file name pair that is going to be printed | |
324 | by the next iteration of the while loop. Eg: | |
325 | ||
326 | 123:bar.c (inlined by) 456:main.c */ | |
68cdf72f TG |
327 | printf (_(" (inlined by) ")); |
328 | } | |
252b5132 RH |
329 | } |
330 | ||
331 | /* fflush() is essential for using this command as a server | |
332 | child process that reads addresses from a pipe and responds | |
333 | with line number information, processing one address at a | |
334 | time. */ | |
335 | fflush (stdout); | |
336 | } | |
337 | } | |
338 | ||
d68c385b | 339 | /* Process a file. Returns an exit value for main(). */ |
252b5132 | 340 | |
d68c385b | 341 | static int |
c5f8c388 EB |
342 | process_file (const char *file_name, const char *section_name, |
343 | const char *target) | |
252b5132 RH |
344 | { |
345 | bfd *abfd; | |
c5f8c388 | 346 | asection *section; |
252b5132 RH |
347 | char **matching; |
348 | ||
f24ddbdd | 349 | if (get_file_size (file_name) < 1) |
d68c385b | 350 | return 1; |
f24ddbdd | 351 | |
47badb7b | 352 | abfd = bfd_openr (file_name, target); |
252b5132 | 353 | if (abfd == NULL) |
47badb7b | 354 | bfd_fatal (file_name); |
252b5132 | 355 | |
4a114e3e L |
356 | /* Decompress sections. */ |
357 | abfd->flags |= BFD_DECOMPRESS; | |
358 | ||
252b5132 | 359 | if (bfd_check_format (abfd, bfd_archive)) |
c5f8c388 | 360 | fatal (_("%s: cannot get addresses from archive"), file_name); |
252b5132 RH |
361 | |
362 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
363 | { | |
364 | bfd_nonfatal (bfd_get_filename (abfd)); | |
365 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
366 | { | |
367 | list_matching_formats (matching); | |
368 | free (matching); | |
369 | } | |
370 | xexit (1); | |
371 | } | |
372 | ||
c5f8c388 EB |
373 | if (section_name != NULL) |
374 | { | |
375 | section = bfd_get_section_by_name (abfd, section_name); | |
376 | if (section == NULL) | |
377 | fatal (_("%s: cannot find section %s"), file_name, section_name); | |
378 | } | |
379 | else | |
380 | section = NULL; | |
381 | ||
252b5132 RH |
382 | slurp_symtab (abfd); |
383 | ||
c5f8c388 | 384 | translate_addresses (abfd, section); |
252b5132 RH |
385 | |
386 | if (syms != NULL) | |
387 | { | |
388 | free (syms); | |
389 | syms = NULL; | |
390 | } | |
391 | ||
392 | bfd_close (abfd); | |
d68c385b NC |
393 | |
394 | return 0; | |
252b5132 RH |
395 | } |
396 | \f | |
397 | int | |
2da42df6 | 398 | main (int argc, char **argv) |
252b5132 | 399 | { |
47badb7b | 400 | const char *file_name; |
c5f8c388 | 401 | const char *section_name; |
252b5132 RH |
402 | char *target; |
403 | int c; | |
404 | ||
405 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
406 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
407 | #endif |
408 | #if defined (HAVE_SETLOCALE) | |
409 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
410 | #endif |
411 | bindtextdomain (PACKAGE, LOCALEDIR); | |
412 | textdomain (PACKAGE); | |
413 | ||
414 | program_name = *argv; | |
415 | xmalloc_set_program_name (program_name); | |
416 | ||
869b9d07 MM |
417 | expandargv (&argc, &argv); |
418 | ||
252b5132 RH |
419 | bfd_init (); |
420 | set_default_bfd_target (); | |
421 | ||
47badb7b | 422 | file_name = NULL; |
c5f8c388 | 423 | section_name = NULL; |
252b5132 | 424 | target = NULL; |
68cdf72f | 425 | while ((c = getopt_long (argc, argv, "ab:Ce:sfHhij:pVv", long_options, (int *) 0)) |
252b5132 RH |
426 | != EOF) |
427 | { | |
428 | switch (c) | |
429 | { | |
430 | case 0: | |
8b53311e | 431 | break; /* We've been given a long option. */ |
be6f6493 TG |
432 | case 'a': |
433 | with_addresses = TRUE; | |
434 | break; | |
252b5132 RH |
435 | case 'b': |
436 | target = optarg; | |
437 | break; | |
438 | case 'C': | |
b34976b6 | 439 | do_demangle = TRUE; |
28c309a2 NC |
440 | if (optarg != NULL) |
441 | { | |
442 | enum demangling_styles style; | |
f462a9ea | 443 | |
28c309a2 | 444 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 445 | if (style == unknown_demangling) |
28c309a2 NC |
446 | fatal (_("unknown demangling style `%s'"), |
447 | optarg); | |
f462a9ea | 448 | |
28c309a2 | 449 | cplus_demangle_set_style (style); |
f462a9ea | 450 | } |
252b5132 RH |
451 | break; |
452 | case 'e': | |
47badb7b | 453 | file_name = optarg; |
252b5132 RH |
454 | break; |
455 | case 's': | |
b34976b6 | 456 | base_names = TRUE; |
252b5132 RH |
457 | break; |
458 | case 'f': | |
b34976b6 | 459 | with_functions = TRUE; |
252b5132 | 460 | break; |
68cdf72f TG |
461 | case 'p': |
462 | pretty_print = TRUE; | |
463 | break; | |
8b53311e | 464 | case 'v': |
252b5132 RH |
465 | case 'V': |
466 | print_version ("addr2line"); | |
467 | break; | |
8b53311e | 468 | case 'h': |
252b5132 RH |
469 | case 'H': |
470 | usage (stdout, 0); | |
471 | break; | |
0c552dc1 FF |
472 | case 'i': |
473 | unwind_inlines = TRUE; | |
474 | break; | |
c5f8c388 EB |
475 | case 'j': |
476 | section_name = optarg; | |
477 | break; | |
252b5132 RH |
478 | default: |
479 | usage (stderr, 1); | |
480 | break; | |
481 | } | |
482 | } | |
483 | ||
47badb7b NC |
484 | if (file_name == NULL) |
485 | file_name = "a.out"; | |
252b5132 RH |
486 | |
487 | addr = argv + optind; | |
488 | naddr = argc - optind; | |
489 | ||
d68c385b | 490 | return process_file (file_name, section_name, target); |
252b5132 | 491 | } |