Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* addr2line.c -- convert addresses to line number and function name |
92f01d61 | 2 | Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007 |
2da42df6 | 3 | 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. */ |
b34976b6 AM |
42 | static bfd_boolean with_functions; /* -f, show function names. */ |
43 | static bfd_boolean do_demangle; /* -C, demangle names. */ | |
44 | static bfd_boolean base_names; /* -s, strip directory names. */ | |
252b5132 RH |
45 | |
46 | static int naddr; /* Number of addresses to process. */ | |
47 | static char **addr; /* Hex addresses to process. */ | |
48 | ||
49 | static asymbol **syms; /* Symbol table. */ | |
50 | ||
51 | static struct option long_options[] = | |
52 | { | |
53 | {"basenames", no_argument, NULL, 's'}, | |
28c309a2 | 54 | {"demangle", optional_argument, NULL, 'C'}, |
252b5132 RH |
55 | {"exe", required_argument, NULL, 'e'}, |
56 | {"functions", no_argument, NULL, 'f'}, | |
0c552dc1 | 57 | {"inlines", no_argument, NULL, 'i'}, |
c5f8c388 | 58 | {"section", required_argument, NULL, 'j'}, |
252b5132 RH |
59 | {"target", required_argument, NULL, 'b'}, |
60 | {"help", no_argument, NULL, 'H'}, | |
61 | {"version", no_argument, NULL, 'V'}, | |
62 | {0, no_argument, 0, 0} | |
63 | }; | |
64 | ||
2da42df6 AJ |
65 | static void usage (FILE *, int); |
66 | static void slurp_symtab (bfd *); | |
67 | static void find_address_in_section (bfd *, asection *, void *); | |
c5f8c388 EB |
68 | static void find_offset_in_section (bfd *, asection *); |
69 | static void translate_addresses (bfd *, asection *); | |
252b5132 RH |
70 | \f |
71 | /* Print a usage message to STREAM and exit with STATUS. */ | |
72 | ||
73 | static void | |
2da42df6 | 74 | usage (FILE *stream, int status) |
252b5132 | 75 | { |
8b53311e NC |
76 | fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); |
77 | fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); | |
78 | fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); | |
79 | fprintf (stream, _(" The options are:\n\ | |
07012eee | 80 | @<file> Read options from <file>\n\ |
8b53311e NC |
81 | -b --target=<bfdname> Set the binary file format\n\ |
82 | -e --exe=<executable> Set the input file name (default is a.out)\n\ | |
c5f8c388 EB |
83 | -i --inlines Unwind inlined functions\n\ |
84 | -j --section=<name> Read section-relative offsets instead of addresses\n\ | |
8b53311e NC |
85 | -s --basenames Strip directory names\n\ |
86 | -f --functions Show function names\n\ | |
87 | -C --demangle[=style] Demangle function names\n\ | |
88 | -h --help Display this information\n\ | |
89 | -v --version Display the program's version\n\ | |
90 | \n")); | |
91 | ||
252b5132 | 92 | list_supported_targets (program_name, stream); |
92f01d61 | 93 | if (REPORT_BUGS_TO[0] && status == 0) |
8ad3436c | 94 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
95 | exit (status); |
96 | } | |
97 | \f | |
98 | /* Read in the symbol table. */ | |
99 | ||
100 | static void | |
2da42df6 | 101 | slurp_symtab (bfd *abfd) |
252b5132 | 102 | { |
252b5132 | 103 | long symcount; |
f309035a | 104 | unsigned int size; |
252b5132 RH |
105 | |
106 | if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) | |
107 | return; | |
108 | ||
2da42df6 | 109 | symcount = bfd_read_minisymbols (abfd, FALSE, (void *) &syms, &size); |
f309035a | 110 | if (symcount == 0) |
2da42df6 | 111 | symcount = bfd_read_minisymbols (abfd, TRUE /* dynamic */, (void *) &syms, &size); |
252b5132 | 112 | |
252b5132 RH |
113 | if (symcount < 0) |
114 | bfd_fatal (bfd_get_filename (abfd)); | |
115 | } | |
116 | \f | |
117 | /* These global variables are used to pass information between | |
118 | translate_addresses and find_address_in_section. */ | |
119 | ||
120 | static bfd_vma pc; | |
121 | static const char *filename; | |
122 | static const char *functionname; | |
123 | static unsigned int line; | |
b34976b6 | 124 | static bfd_boolean found; |
252b5132 RH |
125 | |
126 | /* Look for an address in a section. This is called via | |
127 | bfd_map_over_sections. */ | |
128 | ||
129 | static void | |
2da42df6 AJ |
130 | find_address_in_section (bfd *abfd, asection *section, |
131 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
132 | { |
133 | bfd_vma vma; | |
134 | bfd_size_type size; | |
135 | ||
136 | if (found) | |
137 | return; | |
138 | ||
139 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
140 | return; | |
141 | ||
142 | vma = bfd_get_section_vma (abfd, section); | |
143 | if (pc < vma) | |
144 | return; | |
145 | ||
135dfb4a | 146 | size = bfd_get_section_size (section); |
252b5132 RH |
147 | if (pc >= vma + size) |
148 | return; | |
149 | ||
150 | found = bfd_find_nearest_line (abfd, section, syms, pc - vma, | |
151 | &filename, &functionname, &line); | |
152 | } | |
153 | ||
c5f8c388 EB |
154 | /* Look for an offset in a section. This is directly called. */ |
155 | ||
156 | static void | |
157 | find_offset_in_section (bfd *abfd, asection *section) | |
158 | { | |
159 | bfd_size_type size; | |
160 | ||
161 | if (found) | |
162 | return; | |
163 | ||
164 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
165 | return; | |
166 | ||
167 | size = bfd_get_section_size (section); | |
168 | if (pc >= size) | |
169 | return; | |
170 | ||
171 | found = bfd_find_nearest_line (abfd, section, syms, pc, | |
172 | &filename, &functionname, &line); | |
173 | } | |
174 | ||
252b5132 RH |
175 | /* Read hexadecimal addresses from stdin, translate into |
176 | file_name:line_number and optionally function name. */ | |
177 | ||
178 | static void | |
c5f8c388 | 179 | translate_addresses (bfd *abfd, asection *section) |
252b5132 RH |
180 | { |
181 | int read_stdin = (naddr == 0); | |
182 | ||
183 | for (;;) | |
184 | { | |
185 | if (read_stdin) | |
186 | { | |
187 | char addr_hex[100]; | |
188 | ||
189 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
190 | break; | |
191 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
192 | } | |
193 | else | |
194 | { | |
195 | if (naddr <= 0) | |
196 | break; | |
197 | --naddr; | |
198 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
199 | } | |
200 | ||
b34976b6 | 201 | found = FALSE; |
c5f8c388 EB |
202 | if (section) |
203 | find_offset_in_section (abfd, section); | |
204 | else | |
205 | bfd_map_over_sections (abfd, find_address_in_section, NULL); | |
252b5132 RH |
206 | |
207 | if (! found) | |
208 | { | |
209 | if (with_functions) | |
210 | printf ("??\n"); | |
211 | printf ("??:0\n"); | |
212 | } | |
213 | else | |
214 | { | |
0c552dc1 FF |
215 | do { |
216 | if (with_functions) | |
217 | { | |
218 | const char *name; | |
219 | char *alloc = NULL; | |
220 | ||
221 | name = functionname; | |
222 | if (name == NULL || *name == '\0') | |
223 | name = "??"; | |
224 | else if (do_demangle) | |
225 | { | |
ed180cc5 AM |
226 | alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); |
227 | if (alloc != NULL) | |
228 | name = alloc; | |
0c552dc1 FF |
229 | } |
230 | ||
231 | printf ("%s\n", name); | |
232 | ||
233 | if (alloc != NULL) | |
234 | free (alloc); | |
235 | } | |
236 | ||
237 | if (base_names && filename != NULL) | |
238 | { | |
239 | char *h; | |
240 | ||
241 | h = strrchr (filename, '/'); | |
242 | if (h != NULL) | |
243 | filename = h + 1; | |
244 | } | |
245 | ||
246 | printf ("%s:%u\n", filename ? filename : "??", line); | |
247 | if (!unwind_inlines) | |
248 | found = FALSE; | |
249 | else | |
250 | found = bfd_find_inliner_info (abfd, &filename, &functionname, &line); | |
251 | } while (found); | |
252b5132 | 252 | |
252b5132 RH |
253 | } |
254 | ||
255 | /* fflush() is essential for using this command as a server | |
256 | child process that reads addresses from a pipe and responds | |
257 | with line number information, processing one address at a | |
258 | time. */ | |
259 | fflush (stdout); | |
260 | } | |
261 | } | |
262 | ||
d68c385b | 263 | /* Process a file. Returns an exit value for main(). */ |
252b5132 | 264 | |
d68c385b | 265 | static int |
c5f8c388 EB |
266 | process_file (const char *file_name, const char *section_name, |
267 | const char *target) | |
252b5132 RH |
268 | { |
269 | bfd *abfd; | |
c5f8c388 | 270 | asection *section; |
252b5132 RH |
271 | char **matching; |
272 | ||
f24ddbdd | 273 | if (get_file_size (file_name) < 1) |
d68c385b | 274 | return 1; |
f24ddbdd | 275 | |
47badb7b | 276 | abfd = bfd_openr (file_name, target); |
252b5132 | 277 | if (abfd == NULL) |
47badb7b | 278 | bfd_fatal (file_name); |
252b5132 RH |
279 | |
280 | if (bfd_check_format (abfd, bfd_archive)) | |
c5f8c388 | 281 | fatal (_("%s: cannot get addresses from archive"), file_name); |
252b5132 RH |
282 | |
283 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
284 | { | |
285 | bfd_nonfatal (bfd_get_filename (abfd)); | |
286 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
287 | { | |
288 | list_matching_formats (matching); | |
289 | free (matching); | |
290 | } | |
291 | xexit (1); | |
292 | } | |
293 | ||
c5f8c388 EB |
294 | if (section_name != NULL) |
295 | { | |
296 | section = bfd_get_section_by_name (abfd, section_name); | |
297 | if (section == NULL) | |
298 | fatal (_("%s: cannot find section %s"), file_name, section_name); | |
299 | } | |
300 | else | |
301 | section = NULL; | |
302 | ||
252b5132 RH |
303 | slurp_symtab (abfd); |
304 | ||
c5f8c388 | 305 | translate_addresses (abfd, section); |
252b5132 RH |
306 | |
307 | if (syms != NULL) | |
308 | { | |
309 | free (syms); | |
310 | syms = NULL; | |
311 | } | |
312 | ||
313 | bfd_close (abfd); | |
d68c385b NC |
314 | |
315 | return 0; | |
252b5132 RH |
316 | } |
317 | \f | |
318 | int | |
2da42df6 | 319 | main (int argc, char **argv) |
252b5132 | 320 | { |
47badb7b | 321 | const char *file_name; |
c5f8c388 | 322 | const char *section_name; |
252b5132 RH |
323 | char *target; |
324 | int c; | |
325 | ||
326 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
327 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
328 | #endif |
329 | #if defined (HAVE_SETLOCALE) | |
330 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
331 | #endif |
332 | bindtextdomain (PACKAGE, LOCALEDIR); | |
333 | textdomain (PACKAGE); | |
334 | ||
335 | program_name = *argv; | |
336 | xmalloc_set_program_name (program_name); | |
337 | ||
869b9d07 MM |
338 | expandargv (&argc, &argv); |
339 | ||
252b5132 RH |
340 | bfd_init (); |
341 | set_default_bfd_target (); | |
342 | ||
47badb7b | 343 | file_name = NULL; |
c5f8c388 | 344 | section_name = NULL; |
252b5132 | 345 | target = NULL; |
c5f8c388 | 346 | while ((c = getopt_long (argc, argv, "b:Ce:sfHhij:Vv", long_options, (int *) 0)) |
252b5132 RH |
347 | != EOF) |
348 | { | |
349 | switch (c) | |
350 | { | |
351 | case 0: | |
8b53311e | 352 | break; /* We've been given a long option. */ |
252b5132 RH |
353 | case 'b': |
354 | target = optarg; | |
355 | break; | |
356 | case 'C': | |
b34976b6 | 357 | do_demangle = TRUE; |
28c309a2 NC |
358 | if (optarg != NULL) |
359 | { | |
360 | enum demangling_styles style; | |
f462a9ea | 361 | |
28c309a2 | 362 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 363 | if (style == unknown_demangling) |
28c309a2 NC |
364 | fatal (_("unknown demangling style `%s'"), |
365 | optarg); | |
f462a9ea | 366 | |
28c309a2 | 367 | cplus_demangle_set_style (style); |
f462a9ea | 368 | } |
252b5132 RH |
369 | break; |
370 | case 'e': | |
47badb7b | 371 | file_name = optarg; |
252b5132 RH |
372 | break; |
373 | case 's': | |
b34976b6 | 374 | base_names = TRUE; |
252b5132 RH |
375 | break; |
376 | case 'f': | |
b34976b6 | 377 | with_functions = TRUE; |
252b5132 | 378 | break; |
8b53311e | 379 | case 'v': |
252b5132 RH |
380 | case 'V': |
381 | print_version ("addr2line"); | |
382 | break; | |
8b53311e | 383 | case 'h': |
252b5132 RH |
384 | case 'H': |
385 | usage (stdout, 0); | |
386 | break; | |
0c552dc1 FF |
387 | case 'i': |
388 | unwind_inlines = TRUE; | |
389 | break; | |
c5f8c388 EB |
390 | case 'j': |
391 | section_name = optarg; | |
392 | break; | |
252b5132 RH |
393 | default: |
394 | usage (stderr, 1); | |
395 | break; | |
396 | } | |
397 | } | |
398 | ||
47badb7b NC |
399 | if (file_name == NULL) |
400 | file_name = "a.out"; | |
252b5132 RH |
401 | |
402 | addr = argv + optind; | |
403 | naddr = argc - optind; | |
404 | ||
d68c385b | 405 | return process_file (file_name, section_name, target); |
252b5132 | 406 | } |