Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* addr2line.c -- convert addresses to line number and function name |
c5f8c388 | 2 | Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006 |
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 | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
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 | |
b43b5d5f | 20 | Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 | 21 | |
c8c5888e | 22 | /* Derived from objdump.c and nm.c by Ulrich.Lauther@mchp.siemens.de |
252b5132 | 23 | |
f462a9ea | 24 | Usage: |
252b5132 RH |
25 | addr2line [options] addr addr ... |
26 | or | |
f462a9ea | 27 | addr2line [options] |
252b5132 RH |
28 | |
29 | both forms write results to stdout, the second form reads addresses | |
30 | to be converted from stdin. */ | |
31 | ||
e46eba98 | 32 | #include "config.h" |
252b5132 RH |
33 | #include <string.h> |
34 | ||
35 | #include "bfd.h" | |
36 | #include "getopt.h" | |
37 | #include "libiberty.h" | |
38 | #include "demangle.h" | |
39 | #include "bucomm.h" | |
a6637ec0 | 40 | #include "budemang.h" |
252b5132 | 41 | |
0c552dc1 | 42 | static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */ |
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 | { | |
54 | {"basenames", no_argument, NULL, 's'}, | |
28c309a2 | 55 | {"demangle", optional_argument, NULL, 'C'}, |
252b5132 RH |
56 | {"exe", required_argument, NULL, 'e'}, |
57 | {"functions", no_argument, NULL, 'f'}, | |
0c552dc1 | 58 | {"inlines", no_argument, NULL, 'i'}, |
c5f8c388 | 59 | {"section", required_argument, NULL, 'j'}, |
252b5132 RH |
60 | {"target", required_argument, NULL, 'b'}, |
61 | {"help", no_argument, NULL, 'H'}, | |
62 | {"version", no_argument, NULL, 'V'}, | |
63 | {0, no_argument, 0, 0} | |
64 | }; | |
65 | ||
2da42df6 AJ |
66 | static void usage (FILE *, int); |
67 | static void slurp_symtab (bfd *); | |
68 | static void find_address_in_section (bfd *, asection *, void *); | |
c5f8c388 EB |
69 | static void find_offset_in_section (bfd *, asection *); |
70 | static void translate_addresses (bfd *, asection *); | |
71 | static void process_file (const char *, const char *, const char *); | |
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\ |
8b53311e NC |
83 | -b --target=<bfdname> Set the binary file format\n\ |
84 | -e --exe=<executable> Set the input file name (default is a.out)\n\ | |
c5f8c388 EB |
85 | -i --inlines Unwind inlined functions\n\ |
86 | -j --section=<name> Read section-relative offsets instead of addresses\n\ | |
8b53311e NC |
87 | -s --basenames Strip directory names\n\ |
88 | -f --functions Show function names\n\ | |
89 | -C --demangle[=style] Demangle function names\n\ | |
90 | -h --help Display this information\n\ | |
91 | -v --version Display the program's version\n\ | |
92 | \n")); | |
93 | ||
252b5132 RH |
94 | list_supported_targets (program_name, stream); |
95 | if (status == 0) | |
8ad3436c | 96 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
97 | exit (status); |
98 | } | |
99 | \f | |
100 | /* Read in the symbol table. */ | |
101 | ||
102 | static void | |
2da42df6 | 103 | slurp_symtab (bfd *abfd) |
252b5132 | 104 | { |
252b5132 | 105 | long symcount; |
f309035a | 106 | unsigned int size; |
252b5132 RH |
107 | |
108 | if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) | |
109 | return; | |
110 | ||
2da42df6 | 111 | symcount = bfd_read_minisymbols (abfd, FALSE, (void *) &syms, &size); |
f309035a | 112 | if (symcount == 0) |
2da42df6 | 113 | symcount = bfd_read_minisymbols (abfd, TRUE /* dynamic */, (void *) &syms, &size); |
252b5132 | 114 | |
252b5132 RH |
115 | if (symcount < 0) |
116 | bfd_fatal (bfd_get_filename (abfd)); | |
117 | } | |
118 | \f | |
119 | /* These global variables are used to pass information between | |
120 | translate_addresses and find_address_in_section. */ | |
121 | ||
122 | static bfd_vma pc; | |
123 | static const char *filename; | |
124 | static const char *functionname; | |
125 | static unsigned int line; | |
b34976b6 | 126 | static bfd_boolean found; |
252b5132 RH |
127 | |
128 | /* Look for an address in a section. This is called via | |
129 | bfd_map_over_sections. */ | |
130 | ||
131 | static void | |
2da42df6 AJ |
132 | find_address_in_section (bfd *abfd, asection *section, |
133 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
134 | { |
135 | bfd_vma vma; | |
136 | bfd_size_type size; | |
137 | ||
138 | if (found) | |
139 | return; | |
140 | ||
141 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
142 | return; | |
143 | ||
144 | vma = bfd_get_section_vma (abfd, section); | |
145 | if (pc < vma) | |
146 | return; | |
147 | ||
135dfb4a | 148 | size = bfd_get_section_size (section); |
252b5132 RH |
149 | if (pc >= vma + size) |
150 | return; | |
151 | ||
152 | found = bfd_find_nearest_line (abfd, section, syms, pc - vma, | |
153 | &filename, &functionname, &line); | |
154 | } | |
155 | ||
c5f8c388 EB |
156 | /* Look for an offset in a section. This is directly called. */ |
157 | ||
158 | static void | |
159 | find_offset_in_section (bfd *abfd, asection *section) | |
160 | { | |
161 | bfd_size_type size; | |
162 | ||
163 | if (found) | |
164 | return; | |
165 | ||
166 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
167 | return; | |
168 | ||
169 | size = bfd_get_section_size (section); | |
170 | if (pc >= size) | |
171 | return; | |
172 | ||
173 | found = bfd_find_nearest_line (abfd, section, syms, pc, | |
174 | &filename, &functionname, &line); | |
175 | } | |
176 | ||
252b5132 RH |
177 | /* Read hexadecimal addresses from stdin, translate into |
178 | file_name:line_number and optionally function name. */ | |
179 | ||
180 | static void | |
c5f8c388 | 181 | translate_addresses (bfd *abfd, asection *section) |
252b5132 RH |
182 | { |
183 | int read_stdin = (naddr == 0); | |
184 | ||
185 | for (;;) | |
186 | { | |
187 | if (read_stdin) | |
188 | { | |
189 | char addr_hex[100]; | |
190 | ||
191 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
192 | break; | |
193 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
194 | } | |
195 | else | |
196 | { | |
197 | if (naddr <= 0) | |
198 | break; | |
199 | --naddr; | |
200 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
201 | } | |
202 | ||
b34976b6 | 203 | found = FALSE; |
c5f8c388 EB |
204 | if (section) |
205 | find_offset_in_section (abfd, section); | |
206 | else | |
207 | bfd_map_over_sections (abfd, find_address_in_section, NULL); | |
252b5132 RH |
208 | |
209 | if (! found) | |
210 | { | |
211 | if (with_functions) | |
212 | printf ("??\n"); | |
213 | printf ("??:0\n"); | |
214 | } | |
215 | else | |
216 | { | |
0c552dc1 FF |
217 | do { |
218 | if (with_functions) | |
219 | { | |
220 | const char *name; | |
221 | char *alloc = NULL; | |
222 | ||
223 | name = functionname; | |
224 | if (name == NULL || *name == '\0') | |
225 | name = "??"; | |
226 | else if (do_demangle) | |
227 | { | |
228 | alloc = demangle (abfd, name); | |
229 | name = alloc; | |
230 | } | |
231 | ||
232 | printf ("%s\n", name); | |
233 | ||
234 | if (alloc != NULL) | |
235 | free (alloc); | |
236 | } | |
237 | ||
238 | if (base_names && filename != NULL) | |
239 | { | |
240 | char *h; | |
241 | ||
242 | h = strrchr (filename, '/'); | |
243 | if (h != NULL) | |
244 | filename = h + 1; | |
245 | } | |
246 | ||
247 | printf ("%s:%u\n", filename ? filename : "??", line); | |
248 | if (!unwind_inlines) | |
249 | found = FALSE; | |
250 | else | |
251 | found = bfd_find_inliner_info (abfd, &filename, &functionname, &line); | |
252 | } while (found); | |
252b5132 | 253 | |
252b5132 RH |
254 | } |
255 | ||
256 | /* fflush() is essential for using this command as a server | |
257 | child process that reads addresses from a pipe and responds | |
258 | with line number information, processing one address at a | |
259 | time. */ | |
260 | fflush (stdout); | |
261 | } | |
262 | } | |
263 | ||
264 | /* Process a file. */ | |
265 | ||
266 | static void | |
c5f8c388 EB |
267 | process_file (const char *file_name, const char *section_name, |
268 | const char *target) | |
252b5132 RH |
269 | { |
270 | bfd *abfd; | |
c5f8c388 | 271 | asection *section; |
252b5132 RH |
272 | char **matching; |
273 | ||
f24ddbdd NC |
274 | if (get_file_size (file_name) < 1) |
275 | return; | |
276 | ||
47badb7b | 277 | abfd = bfd_openr (file_name, target); |
252b5132 | 278 | if (abfd == NULL) |
47badb7b | 279 | bfd_fatal (file_name); |
252b5132 RH |
280 | |
281 | if (bfd_check_format (abfd, bfd_archive)) | |
c5f8c388 | 282 | fatal (_("%s: cannot get addresses from archive"), file_name); |
252b5132 RH |
283 | |
284 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
285 | { | |
286 | bfd_nonfatal (bfd_get_filename (abfd)); | |
287 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
288 | { | |
289 | list_matching_formats (matching); | |
290 | free (matching); | |
291 | } | |
292 | xexit (1); | |
293 | } | |
294 | ||
c5f8c388 EB |
295 | if (section_name != NULL) |
296 | { | |
297 | section = bfd_get_section_by_name (abfd, section_name); | |
298 | if (section == NULL) | |
299 | fatal (_("%s: cannot find section %s"), file_name, section_name); | |
300 | } | |
301 | else | |
302 | section = NULL; | |
303 | ||
252b5132 RH |
304 | slurp_symtab (abfd); |
305 | ||
c5f8c388 | 306 | translate_addresses (abfd, section); |
252b5132 RH |
307 | |
308 | if (syms != NULL) | |
309 | { | |
310 | free (syms); | |
311 | syms = NULL; | |
312 | } | |
313 | ||
314 | bfd_close (abfd); | |
315 | } | |
316 | \f | |
317 | int | |
2da42df6 | 318 | main (int argc, char **argv) |
252b5132 | 319 | { |
47badb7b | 320 | const char *file_name; |
c5f8c388 | 321 | const char *section_name; |
252b5132 RH |
322 | char *target; |
323 | int c; | |
324 | ||
325 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
326 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
327 | #endif |
328 | #if defined (HAVE_SETLOCALE) | |
329 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
330 | #endif |
331 | bindtextdomain (PACKAGE, LOCALEDIR); | |
332 | textdomain (PACKAGE); | |
333 | ||
334 | program_name = *argv; | |
335 | xmalloc_set_program_name (program_name); | |
336 | ||
869b9d07 MM |
337 | expandargv (&argc, &argv); |
338 | ||
252b5132 RH |
339 | bfd_init (); |
340 | set_default_bfd_target (); | |
341 | ||
47badb7b | 342 | file_name = NULL; |
c5f8c388 | 343 | section_name = NULL; |
252b5132 | 344 | target = NULL; |
c5f8c388 | 345 | while ((c = getopt_long (argc, argv, "b:Ce:sfHhij:Vv", long_options, (int *) 0)) |
252b5132 RH |
346 | != EOF) |
347 | { | |
348 | switch (c) | |
349 | { | |
350 | case 0: | |
8b53311e | 351 | break; /* We've been given a long option. */ |
252b5132 RH |
352 | case 'b': |
353 | target = optarg; | |
354 | break; | |
355 | case 'C': | |
b34976b6 | 356 | do_demangle = TRUE; |
28c309a2 NC |
357 | if (optarg != NULL) |
358 | { | |
359 | enum demangling_styles style; | |
f462a9ea | 360 | |
28c309a2 | 361 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 362 | if (style == unknown_demangling) |
28c309a2 NC |
363 | fatal (_("unknown demangling style `%s'"), |
364 | optarg); | |
f462a9ea | 365 | |
28c309a2 | 366 | cplus_demangle_set_style (style); |
f462a9ea | 367 | } |
252b5132 RH |
368 | break; |
369 | case 'e': | |
47badb7b | 370 | file_name = optarg; |
252b5132 RH |
371 | break; |
372 | case 's': | |
b34976b6 | 373 | base_names = TRUE; |
252b5132 RH |
374 | break; |
375 | case 'f': | |
b34976b6 | 376 | with_functions = TRUE; |
252b5132 | 377 | break; |
8b53311e | 378 | case 'v': |
252b5132 RH |
379 | case 'V': |
380 | print_version ("addr2line"); | |
381 | break; | |
8b53311e | 382 | case 'h': |
252b5132 RH |
383 | case 'H': |
384 | usage (stdout, 0); | |
385 | break; | |
0c552dc1 FF |
386 | case 'i': |
387 | unwind_inlines = TRUE; | |
388 | break; | |
c5f8c388 EB |
389 | case 'j': |
390 | section_name = optarg; | |
391 | break; | |
252b5132 RH |
392 | default: |
393 | usage (stderr, 1); | |
394 | break; | |
395 | } | |
396 | } | |
397 | ||
47badb7b NC |
398 | if (file_name == NULL) |
399 | file_name = "a.out"; | |
252b5132 RH |
400 | |
401 | addr = argv + optind; | |
402 | naddr = argc - optind; | |
403 | ||
c5f8c388 | 404 | process_file (file_name, section_name, target); |
252b5132 RH |
405 | |
406 | return 0; | |
407 | } |