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" | |
40 | ||
0c552dc1 | 41 | static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */ |
be6f6493 | 42 | static bfd_boolean with_addresses; /* -a, show addresses. */ |
b34976b6 AM |
43 | static bfd_boolean with_functions; /* -f, show function names. */ |
44 | static bfd_boolean do_demangle; /* -C, demangle names. */ | |
68cdf72f | 45 | static bfd_boolean pretty_print; /* -p, print on one line. */ |
b34976b6 | 46 | static bfd_boolean base_names; /* -s, strip directory names. */ |
252b5132 RH |
47 | |
48 | static int naddr; /* Number of addresses to process. */ | |
49 | static char **addr; /* Hex addresses to process. */ | |
50 | ||
51 | static asymbol **syms; /* Symbol table. */ | |
52 | ||
53 | static struct option long_options[] = | |
54 | { | |
be6f6493 | 55 | {"addresses", no_argument, NULL, 'a'}, |
252b5132 | 56 | {"basenames", no_argument, NULL, 's'}, |
28c309a2 | 57 | {"demangle", optional_argument, NULL, 'C'}, |
252b5132 RH |
58 | {"exe", required_argument, NULL, 'e'}, |
59 | {"functions", no_argument, NULL, 'f'}, | |
0c552dc1 | 60 | {"inlines", no_argument, NULL, 'i'}, |
68cdf72f | 61 | {"pretty-print", no_argument, NULL, 'p'}, |
c5f8c388 | 62 | {"section", required_argument, NULL, 'j'}, |
252b5132 RH |
63 | {"target", required_argument, NULL, 'b'}, |
64 | {"help", no_argument, NULL, 'H'}, | |
65 | {"version", no_argument, NULL, 'V'}, | |
66 | {0, no_argument, 0, 0} | |
67 | }; | |
68 | ||
2da42df6 AJ |
69 | static void usage (FILE *, int); |
70 | static void slurp_symtab (bfd *); | |
71 | static void find_address_in_section (bfd *, asection *, void *); | |
c5f8c388 EB |
72 | static void find_offset_in_section (bfd *, asection *); |
73 | static void translate_addresses (bfd *, asection *); | |
252b5132 RH |
74 | \f |
75 | /* Print a usage message to STREAM and exit with STATUS. */ | |
76 | ||
77 | static void | |
2da42df6 | 78 | usage (FILE *stream, int status) |
252b5132 | 79 | { |
8b53311e NC |
80 | fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); |
81 | fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); | |
82 | fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); | |
83 | fprintf (stream, _(" The options are:\n\ | |
07012eee | 84 | @<file> Read options from <file>\n\ |
be6f6493 | 85 | -a --addresses Show addresses\n\ |
8b53311e NC |
86 | -b --target=<bfdname> Set the binary file format\n\ |
87 | -e --exe=<executable> Set the input file name (default is a.out)\n\ | |
c5f8c388 EB |
88 | -i --inlines Unwind inlined functions\n\ |
89 | -j --section=<name> Read section-relative offsets instead of addresses\n\ | |
68cdf72f | 90 | -p --pretty-print Make the output easier to read for humans\n\ |
8b53311e NC |
91 | -s --basenames Strip directory names\n\ |
92 | -f --functions Show function names\n\ | |
93 | -C --demangle[=style] Demangle function names\n\ | |
94 | -h --help Display this information\n\ | |
95 | -v --version Display the program's version\n\ | |
96 | \n")); | |
97 | ||
252b5132 | 98 | list_supported_targets (program_name, stream); |
92f01d61 | 99 | if (REPORT_BUGS_TO[0] && status == 0) |
8ad3436c | 100 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
101 | exit (status); |
102 | } | |
103 | \f | |
104 | /* Read in the symbol table. */ | |
105 | ||
106 | static void | |
2da42df6 | 107 | slurp_symtab (bfd *abfd) |
252b5132 | 108 | { |
d5e7ea07 | 109 | long storage; |
252b5132 | 110 | long symcount; |
d5e7ea07 | 111 | bfd_boolean dynamic = FALSE; |
252b5132 RH |
112 | |
113 | if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) | |
114 | return; | |
115 | ||
d5e7ea07 AM |
116 | storage = bfd_get_symtab_upper_bound (abfd); |
117 | if (storage == 0) | |
118 | { | |
119 | storage = bfd_get_dynamic_symtab_upper_bound (abfd); | |
120 | dynamic = TRUE; | |
121 | } | |
122 | if (storage < 0) | |
123 | bfd_fatal (bfd_get_filename (abfd)); | |
252b5132 | 124 | |
d5e7ea07 AM |
125 | syms = (asymbol **) xmalloc (storage); |
126 | if (dynamic) | |
127 | symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); | |
128 | else | |
129 | symcount = bfd_canonicalize_symtab (abfd, syms); | |
252b5132 RH |
130 | if (symcount < 0) |
131 | bfd_fatal (bfd_get_filename (abfd)); | |
132 | } | |
133 | \f | |
134 | /* These global variables are used to pass information between | |
135 | translate_addresses and find_address_in_section. */ | |
136 | ||
137 | static bfd_vma pc; | |
138 | static const char *filename; | |
139 | static const char *functionname; | |
140 | static unsigned int line; | |
b34976b6 | 141 | static bfd_boolean found; |
252b5132 RH |
142 | |
143 | /* Look for an address in a section. This is called via | |
144 | bfd_map_over_sections. */ | |
145 | ||
146 | static void | |
2da42df6 AJ |
147 | find_address_in_section (bfd *abfd, asection *section, |
148 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
149 | { |
150 | bfd_vma vma; | |
151 | bfd_size_type size; | |
152 | ||
153 | if (found) | |
154 | return; | |
155 | ||
156 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
157 | return; | |
158 | ||
159 | vma = bfd_get_section_vma (abfd, section); | |
160 | if (pc < vma) | |
161 | return; | |
162 | ||
135dfb4a | 163 | size = bfd_get_section_size (section); |
252b5132 RH |
164 | if (pc >= vma + size) |
165 | return; | |
166 | ||
167 | found = bfd_find_nearest_line (abfd, section, syms, pc - vma, | |
168 | &filename, &functionname, &line); | |
169 | } | |
170 | ||
c5f8c388 EB |
171 | /* Look for an offset in a section. This is directly called. */ |
172 | ||
173 | static void | |
174 | find_offset_in_section (bfd *abfd, asection *section) | |
175 | { | |
176 | bfd_size_type size; | |
177 | ||
178 | if (found) | |
179 | return; | |
180 | ||
181 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
182 | return; | |
183 | ||
184 | size = bfd_get_section_size (section); | |
185 | if (pc >= size) | |
186 | return; | |
187 | ||
188 | found = bfd_find_nearest_line (abfd, section, syms, pc, | |
189 | &filename, &functionname, &line); | |
190 | } | |
191 | ||
252b5132 RH |
192 | /* Read hexadecimal addresses from stdin, translate into |
193 | file_name:line_number and optionally function name. */ | |
194 | ||
195 | static void | |
c5f8c388 | 196 | translate_addresses (bfd *abfd, asection *section) |
252b5132 RH |
197 | { |
198 | int read_stdin = (naddr == 0); | |
199 | ||
200 | for (;;) | |
201 | { | |
202 | if (read_stdin) | |
203 | { | |
204 | char addr_hex[100]; | |
205 | ||
206 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
207 | break; | |
208 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
209 | } | |
210 | else | |
211 | { | |
212 | if (naddr <= 0) | |
213 | break; | |
214 | --naddr; | |
215 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
216 | } | |
217 | ||
be6f6493 TG |
218 | if (with_addresses) |
219 | { | |
220 | printf ("0x"); | |
221 | bfd_printf_vma (abfd, pc); | |
68cdf72f TG |
222 | |
223 | if (pretty_print) | |
224 | printf (": "); | |
225 | else | |
226 | printf ("\n"); | |
be6f6493 TG |
227 | } |
228 | ||
b34976b6 | 229 | found = FALSE; |
c5f8c388 EB |
230 | if (section) |
231 | find_offset_in_section (abfd, section); | |
232 | else | |
233 | bfd_map_over_sections (abfd, find_address_in_section, NULL); | |
252b5132 RH |
234 | |
235 | if (! found) | |
236 | { | |
237 | if (with_functions) | |
238 | printf ("??\n"); | |
239 | printf ("??:0\n"); | |
240 | } | |
241 | else | |
242 | { | |
68cdf72f TG |
243 | while (1) |
244 | { | |
245 | if (with_functions) | |
246 | { | |
247 | const char *name; | |
248 | char *alloc = NULL; | |
249 | ||
250 | name = functionname; | |
251 | if (name == NULL || *name == '\0') | |
252 | name = "??"; | |
253 | else if (do_demangle) | |
254 | { | |
255 | alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); | |
256 | if (alloc != NULL) | |
257 | name = alloc; | |
258 | } | |
259 | ||
260 | printf ("%s", name); | |
261 | if (pretty_print) | |
262 | printf (_(" at ")); | |
263 | else | |
264 | printf ("\n"); | |
265 | ||
266 | if (alloc != NULL) | |
267 | free (alloc); | |
268 | } | |
269 | ||
270 | if (base_names && filename != NULL) | |
271 | { | |
272 | char *h; | |
273 | ||
274 | h = strrchr (filename, '/'); | |
275 | if (h != NULL) | |
276 | filename = h + 1; | |
277 | } | |
278 | ||
279 | printf ("%s:%u\n", filename ? filename : "??", line); | |
280 | if (!unwind_inlines) | |
281 | found = FALSE; | |
282 | else | |
283 | found = bfd_find_inliner_info (abfd, &filename, &functionname, &line); | |
284 | if (! found) | |
285 | break; | |
286 | if (pretty_print) | |
287 | printf (_(" (inlined by) ")); | |
288 | } | |
252b5132 RH |
289 | } |
290 | ||
291 | /* fflush() is essential for using this command as a server | |
292 | child process that reads addresses from a pipe and responds | |
293 | with line number information, processing one address at a | |
294 | time. */ | |
295 | fflush (stdout); | |
296 | } | |
297 | } | |
298 | ||
d68c385b | 299 | /* Process a file. Returns an exit value for main(). */ |
252b5132 | 300 | |
d68c385b | 301 | static int |
c5f8c388 EB |
302 | process_file (const char *file_name, const char *section_name, |
303 | const char *target) | |
252b5132 RH |
304 | { |
305 | bfd *abfd; | |
c5f8c388 | 306 | asection *section; |
252b5132 RH |
307 | char **matching; |
308 | ||
f24ddbdd | 309 | if (get_file_size (file_name) < 1) |
d68c385b | 310 | return 1; |
f24ddbdd | 311 | |
47badb7b | 312 | abfd = bfd_openr (file_name, target); |
252b5132 | 313 | if (abfd == NULL) |
47badb7b | 314 | bfd_fatal (file_name); |
252b5132 RH |
315 | |
316 | if (bfd_check_format (abfd, bfd_archive)) | |
c5f8c388 | 317 | fatal (_("%s: cannot get addresses from archive"), file_name); |
252b5132 RH |
318 | |
319 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
320 | { | |
321 | bfd_nonfatal (bfd_get_filename (abfd)); | |
322 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
323 | { | |
324 | list_matching_formats (matching); | |
325 | free (matching); | |
326 | } | |
327 | xexit (1); | |
328 | } | |
329 | ||
c5f8c388 EB |
330 | if (section_name != NULL) |
331 | { | |
332 | section = bfd_get_section_by_name (abfd, section_name); | |
333 | if (section == NULL) | |
334 | fatal (_("%s: cannot find section %s"), file_name, section_name); | |
335 | } | |
336 | else | |
337 | section = NULL; | |
338 | ||
252b5132 RH |
339 | slurp_symtab (abfd); |
340 | ||
c5f8c388 | 341 | translate_addresses (abfd, section); |
252b5132 RH |
342 | |
343 | if (syms != NULL) | |
344 | { | |
345 | free (syms); | |
346 | syms = NULL; | |
347 | } | |
348 | ||
349 | bfd_close (abfd); | |
d68c385b NC |
350 | |
351 | return 0; | |
252b5132 RH |
352 | } |
353 | \f | |
354 | int | |
2da42df6 | 355 | main (int argc, char **argv) |
252b5132 | 356 | { |
47badb7b | 357 | const char *file_name; |
c5f8c388 | 358 | const char *section_name; |
252b5132 RH |
359 | char *target; |
360 | int c; | |
361 | ||
362 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
363 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
364 | #endif |
365 | #if defined (HAVE_SETLOCALE) | |
366 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
367 | #endif |
368 | bindtextdomain (PACKAGE, LOCALEDIR); | |
369 | textdomain (PACKAGE); | |
370 | ||
371 | program_name = *argv; | |
372 | xmalloc_set_program_name (program_name); | |
373 | ||
869b9d07 MM |
374 | expandargv (&argc, &argv); |
375 | ||
252b5132 RH |
376 | bfd_init (); |
377 | set_default_bfd_target (); | |
378 | ||
47badb7b | 379 | file_name = NULL; |
c5f8c388 | 380 | section_name = NULL; |
252b5132 | 381 | target = NULL; |
68cdf72f | 382 | while ((c = getopt_long (argc, argv, "ab:Ce:sfHhij:pVv", long_options, (int *) 0)) |
252b5132 RH |
383 | != EOF) |
384 | { | |
385 | switch (c) | |
386 | { | |
387 | case 0: | |
8b53311e | 388 | break; /* We've been given a long option. */ |
be6f6493 TG |
389 | case 'a': |
390 | with_addresses = TRUE; | |
391 | break; | |
252b5132 RH |
392 | case 'b': |
393 | target = optarg; | |
394 | break; | |
395 | case 'C': | |
b34976b6 | 396 | do_demangle = TRUE; |
28c309a2 NC |
397 | if (optarg != NULL) |
398 | { | |
399 | enum demangling_styles style; | |
f462a9ea | 400 | |
28c309a2 | 401 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 402 | if (style == unknown_demangling) |
28c309a2 NC |
403 | fatal (_("unknown demangling style `%s'"), |
404 | optarg); | |
f462a9ea | 405 | |
28c309a2 | 406 | cplus_demangle_set_style (style); |
f462a9ea | 407 | } |
252b5132 RH |
408 | break; |
409 | case 'e': | |
47badb7b | 410 | file_name = optarg; |
252b5132 RH |
411 | break; |
412 | case 's': | |
b34976b6 | 413 | base_names = TRUE; |
252b5132 RH |
414 | break; |
415 | case 'f': | |
b34976b6 | 416 | with_functions = TRUE; |
252b5132 | 417 | break; |
68cdf72f TG |
418 | case 'p': |
419 | pretty_print = TRUE; | |
420 | break; | |
8b53311e | 421 | case 'v': |
252b5132 RH |
422 | case 'V': |
423 | print_version ("addr2line"); | |
424 | break; | |
8b53311e | 425 | case 'h': |
252b5132 RH |
426 | case 'H': |
427 | usage (stdout, 0); | |
428 | break; | |
0c552dc1 FF |
429 | case 'i': |
430 | unwind_inlines = TRUE; | |
431 | break; | |
c5f8c388 EB |
432 | case 'j': |
433 | section_name = optarg; | |
434 | break; | |
252b5132 RH |
435 | default: |
436 | usage (stderr, 1); | |
437 | break; | |
438 | } | |
439 | } | |
440 | ||
47badb7b NC |
441 | if (file_name == NULL) |
442 | file_name = "a.out"; | |
252b5132 RH |
443 | |
444 | addr = argv + optind; | |
445 | naddr = argc - optind; | |
446 | ||
d68c385b | 447 | return process_file (file_name, section_name, target); |
252b5132 | 448 | } |