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. */ | |
45 | static bfd_boolean base_names; /* -s, strip directory names. */ | |
252b5132 RH |
46 | |
47 | static int naddr; /* Number of addresses to process. */ | |
48 | static char **addr; /* Hex addresses to process. */ | |
49 | ||
50 | static asymbol **syms; /* Symbol table. */ | |
51 | ||
52 | static struct option long_options[] = | |
53 | { | |
be6f6493 | 54 | {"addresses", no_argument, NULL, 'a'}, |
252b5132 | 55 | {"basenames", no_argument, NULL, 's'}, |
28c309a2 | 56 | {"demangle", optional_argument, NULL, 'C'}, |
252b5132 RH |
57 | {"exe", required_argument, NULL, 'e'}, |
58 | {"functions", no_argument, NULL, 'f'}, | |
0c552dc1 | 59 | {"inlines", no_argument, NULL, 'i'}, |
c5f8c388 | 60 | {"section", required_argument, NULL, 'j'}, |
252b5132 RH |
61 | {"target", required_argument, NULL, 'b'}, |
62 | {"help", no_argument, NULL, 'H'}, | |
63 | {"version", no_argument, NULL, 'V'}, | |
64 | {0, no_argument, 0, 0} | |
65 | }; | |
66 | ||
2da42df6 AJ |
67 | static void usage (FILE *, int); |
68 | static void slurp_symtab (bfd *); | |
69 | static void find_address_in_section (bfd *, asection *, void *); | |
c5f8c388 EB |
70 | static void find_offset_in_section (bfd *, asection *); |
71 | static void translate_addresses (bfd *, asection *); | |
252b5132 RH |
72 | \f |
73 | /* Print a usage message to STREAM and exit with STATUS. */ | |
74 | ||
75 | static void | |
2da42df6 | 76 | usage (FILE *stream, int status) |
252b5132 | 77 | { |
8b53311e NC |
78 | fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); |
79 | fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); | |
80 | fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); | |
81 | fprintf (stream, _(" The options are:\n\ | |
07012eee | 82 | @<file> Read options from <file>\n\ |
be6f6493 | 83 | -a --addresses Show addresses\n\ |
8b53311e NC |
84 | -b --target=<bfdname> Set the binary file format\n\ |
85 | -e --exe=<executable> Set the input file name (default is a.out)\n\ | |
c5f8c388 EB |
86 | -i --inlines Unwind inlined functions\n\ |
87 | -j --section=<name> Read section-relative offsets instead of addresses\n\ | |
8b53311e NC |
88 | -s --basenames Strip directory names\n\ |
89 | -f --functions Show function names\n\ | |
90 | -C --demangle[=style] Demangle function names\n\ | |
91 | -h --help Display this information\n\ | |
92 | -v --version Display the program's version\n\ | |
93 | \n")); | |
94 | ||
252b5132 | 95 | list_supported_targets (program_name, stream); |
92f01d61 | 96 | if (REPORT_BUGS_TO[0] && status == 0) |
8ad3436c | 97 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
98 | exit (status); |
99 | } | |
100 | \f | |
101 | /* Read in the symbol table. */ | |
102 | ||
103 | static void | |
2da42df6 | 104 | slurp_symtab (bfd *abfd) |
252b5132 | 105 | { |
d5e7ea07 | 106 | long storage; |
252b5132 | 107 | long symcount; |
d5e7ea07 | 108 | bfd_boolean dynamic = FALSE; |
252b5132 RH |
109 | |
110 | if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) | |
111 | return; | |
112 | ||
d5e7ea07 AM |
113 | storage = bfd_get_symtab_upper_bound (abfd); |
114 | if (storage == 0) | |
115 | { | |
116 | storage = bfd_get_dynamic_symtab_upper_bound (abfd); | |
117 | dynamic = TRUE; | |
118 | } | |
119 | if (storage < 0) | |
120 | bfd_fatal (bfd_get_filename (abfd)); | |
252b5132 | 121 | |
d5e7ea07 AM |
122 | syms = (asymbol **) xmalloc (storage); |
123 | if (dynamic) | |
124 | symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); | |
125 | else | |
126 | symcount = bfd_canonicalize_symtab (abfd, syms); | |
252b5132 RH |
127 | if (symcount < 0) |
128 | bfd_fatal (bfd_get_filename (abfd)); | |
129 | } | |
130 | \f | |
131 | /* These global variables are used to pass information between | |
132 | translate_addresses and find_address_in_section. */ | |
133 | ||
134 | static bfd_vma pc; | |
135 | static const char *filename; | |
136 | static const char *functionname; | |
137 | static unsigned int line; | |
b34976b6 | 138 | static bfd_boolean found; |
252b5132 RH |
139 | |
140 | /* Look for an address in a section. This is called via | |
141 | bfd_map_over_sections. */ | |
142 | ||
143 | static void | |
2da42df6 AJ |
144 | find_address_in_section (bfd *abfd, asection *section, |
145 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
146 | { |
147 | bfd_vma vma; | |
148 | bfd_size_type size; | |
149 | ||
150 | if (found) | |
151 | return; | |
152 | ||
153 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
154 | return; | |
155 | ||
156 | vma = bfd_get_section_vma (abfd, section); | |
157 | if (pc < vma) | |
158 | return; | |
159 | ||
135dfb4a | 160 | size = bfd_get_section_size (section); |
252b5132 RH |
161 | if (pc >= vma + size) |
162 | return; | |
163 | ||
164 | found = bfd_find_nearest_line (abfd, section, syms, pc - vma, | |
165 | &filename, &functionname, &line); | |
166 | } | |
167 | ||
c5f8c388 EB |
168 | /* Look for an offset in a section. This is directly called. */ |
169 | ||
170 | static void | |
171 | find_offset_in_section (bfd *abfd, asection *section) | |
172 | { | |
173 | bfd_size_type size; | |
174 | ||
175 | if (found) | |
176 | return; | |
177 | ||
178 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
179 | return; | |
180 | ||
181 | size = bfd_get_section_size (section); | |
182 | if (pc >= size) | |
183 | return; | |
184 | ||
185 | found = bfd_find_nearest_line (abfd, section, syms, pc, | |
186 | &filename, &functionname, &line); | |
187 | } | |
188 | ||
252b5132 RH |
189 | /* Read hexadecimal addresses from stdin, translate into |
190 | file_name:line_number and optionally function name. */ | |
191 | ||
192 | static void | |
c5f8c388 | 193 | translate_addresses (bfd *abfd, asection *section) |
252b5132 RH |
194 | { |
195 | int read_stdin = (naddr == 0); | |
196 | ||
197 | for (;;) | |
198 | { | |
199 | if (read_stdin) | |
200 | { | |
201 | char addr_hex[100]; | |
202 | ||
203 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
204 | break; | |
205 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
206 | } | |
207 | else | |
208 | { | |
209 | if (naddr <= 0) | |
210 | break; | |
211 | --naddr; | |
212 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
213 | } | |
214 | ||
be6f6493 TG |
215 | if (with_addresses) |
216 | { | |
217 | printf ("0x"); | |
218 | bfd_printf_vma (abfd, pc); | |
219 | printf ("\n"); | |
220 | } | |
221 | ||
b34976b6 | 222 | found = FALSE; |
c5f8c388 EB |
223 | if (section) |
224 | find_offset_in_section (abfd, section); | |
225 | else | |
226 | bfd_map_over_sections (abfd, find_address_in_section, NULL); | |
252b5132 RH |
227 | |
228 | if (! found) | |
229 | { | |
230 | if (with_functions) | |
231 | printf ("??\n"); | |
232 | printf ("??:0\n"); | |
233 | } | |
234 | else | |
235 | { | |
0c552dc1 FF |
236 | do { |
237 | if (with_functions) | |
238 | { | |
239 | const char *name; | |
240 | char *alloc = NULL; | |
241 | ||
242 | name = functionname; | |
243 | if (name == NULL || *name == '\0') | |
244 | name = "??"; | |
245 | else if (do_demangle) | |
246 | { | |
ed180cc5 AM |
247 | alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); |
248 | if (alloc != NULL) | |
249 | name = alloc; | |
0c552dc1 FF |
250 | } |
251 | ||
252 | printf ("%s\n", name); | |
253 | ||
254 | if (alloc != NULL) | |
255 | free (alloc); | |
256 | } | |
257 | ||
258 | if (base_names && filename != NULL) | |
259 | { | |
260 | char *h; | |
261 | ||
262 | h = strrchr (filename, '/'); | |
263 | if (h != NULL) | |
264 | filename = h + 1; | |
265 | } | |
266 | ||
267 | printf ("%s:%u\n", filename ? filename : "??", line); | |
268 | if (!unwind_inlines) | |
269 | found = FALSE; | |
270 | else | |
271 | found = bfd_find_inliner_info (abfd, &filename, &functionname, &line); | |
272 | } while (found); | |
252b5132 | 273 | |
252b5132 RH |
274 | } |
275 | ||
276 | /* fflush() is essential for using this command as a server | |
277 | child process that reads addresses from a pipe and responds | |
278 | with line number information, processing one address at a | |
279 | time. */ | |
280 | fflush (stdout); | |
281 | } | |
282 | } | |
283 | ||
d68c385b | 284 | /* Process a file. Returns an exit value for main(). */ |
252b5132 | 285 | |
d68c385b | 286 | static int |
c5f8c388 EB |
287 | process_file (const char *file_name, const char *section_name, |
288 | const char *target) | |
252b5132 RH |
289 | { |
290 | bfd *abfd; | |
c5f8c388 | 291 | asection *section; |
252b5132 RH |
292 | char **matching; |
293 | ||
f24ddbdd | 294 | if (get_file_size (file_name) < 1) |
d68c385b | 295 | return 1; |
f24ddbdd | 296 | |
47badb7b | 297 | abfd = bfd_openr (file_name, target); |
252b5132 | 298 | if (abfd == NULL) |
47badb7b | 299 | bfd_fatal (file_name); |
252b5132 RH |
300 | |
301 | if (bfd_check_format (abfd, bfd_archive)) | |
c5f8c388 | 302 | fatal (_("%s: cannot get addresses from archive"), file_name); |
252b5132 RH |
303 | |
304 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
305 | { | |
306 | bfd_nonfatal (bfd_get_filename (abfd)); | |
307 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
308 | { | |
309 | list_matching_formats (matching); | |
310 | free (matching); | |
311 | } | |
312 | xexit (1); | |
313 | } | |
314 | ||
c5f8c388 EB |
315 | if (section_name != NULL) |
316 | { | |
317 | section = bfd_get_section_by_name (abfd, section_name); | |
318 | if (section == NULL) | |
319 | fatal (_("%s: cannot find section %s"), file_name, section_name); | |
320 | } | |
321 | else | |
322 | section = NULL; | |
323 | ||
252b5132 RH |
324 | slurp_symtab (abfd); |
325 | ||
c5f8c388 | 326 | translate_addresses (abfd, section); |
252b5132 RH |
327 | |
328 | if (syms != NULL) | |
329 | { | |
330 | free (syms); | |
331 | syms = NULL; | |
332 | } | |
333 | ||
334 | bfd_close (abfd); | |
d68c385b NC |
335 | |
336 | return 0; | |
252b5132 RH |
337 | } |
338 | \f | |
339 | int | |
2da42df6 | 340 | main (int argc, char **argv) |
252b5132 | 341 | { |
47badb7b | 342 | const char *file_name; |
c5f8c388 | 343 | const char *section_name; |
252b5132 RH |
344 | char *target; |
345 | int c; | |
346 | ||
347 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
348 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
349 | #endif |
350 | #if defined (HAVE_SETLOCALE) | |
351 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
352 | #endif |
353 | bindtextdomain (PACKAGE, LOCALEDIR); | |
354 | textdomain (PACKAGE); | |
355 | ||
356 | program_name = *argv; | |
357 | xmalloc_set_program_name (program_name); | |
358 | ||
869b9d07 MM |
359 | expandargv (&argc, &argv); |
360 | ||
252b5132 RH |
361 | bfd_init (); |
362 | set_default_bfd_target (); | |
363 | ||
47badb7b | 364 | file_name = NULL; |
c5f8c388 | 365 | section_name = NULL; |
252b5132 | 366 | target = NULL; |
be6f6493 | 367 | while ((c = getopt_long (argc, argv, "ab:Ce:sfHhij:Vv", long_options, (int *) 0)) |
252b5132 RH |
368 | != EOF) |
369 | { | |
370 | switch (c) | |
371 | { | |
372 | case 0: | |
8b53311e | 373 | break; /* We've been given a long option. */ |
be6f6493 TG |
374 | case 'a': |
375 | with_addresses = TRUE; | |
376 | break; | |
252b5132 RH |
377 | case 'b': |
378 | target = optarg; | |
379 | break; | |
380 | case 'C': | |
b34976b6 | 381 | do_demangle = TRUE; |
28c309a2 NC |
382 | if (optarg != NULL) |
383 | { | |
384 | enum demangling_styles style; | |
f462a9ea | 385 | |
28c309a2 | 386 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 387 | if (style == unknown_demangling) |
28c309a2 NC |
388 | fatal (_("unknown demangling style `%s'"), |
389 | optarg); | |
f462a9ea | 390 | |
28c309a2 | 391 | cplus_demangle_set_style (style); |
f462a9ea | 392 | } |
252b5132 RH |
393 | break; |
394 | case 'e': | |
47badb7b | 395 | file_name = optarg; |
252b5132 RH |
396 | break; |
397 | case 's': | |
b34976b6 | 398 | base_names = TRUE; |
252b5132 RH |
399 | break; |
400 | case 'f': | |
b34976b6 | 401 | with_functions = TRUE; |
252b5132 | 402 | break; |
8b53311e | 403 | case 'v': |
252b5132 RH |
404 | case 'V': |
405 | print_version ("addr2line"); | |
406 | break; | |
8b53311e | 407 | case 'h': |
252b5132 RH |
408 | case 'H': |
409 | usage (stdout, 0); | |
410 | break; | |
0c552dc1 FF |
411 | case 'i': |
412 | unwind_inlines = TRUE; | |
413 | break; | |
c5f8c388 EB |
414 | case 'j': |
415 | section_name = optarg; | |
416 | break; | |
252b5132 RH |
417 | default: |
418 | usage (stderr, 1); | |
419 | break; | |
420 | } | |
421 | } | |
422 | ||
47badb7b NC |
423 | if (file_name == NULL) |
424 | file_name = "a.out"; | |
252b5132 RH |
425 | |
426 | addr = argv + optind; | |
427 | naddr = argc - optind; | |
428 | ||
d68c385b | 429 | return process_file (file_name, section_name, target); |
252b5132 | 430 | } |