Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* addr2line.c -- convert addresses to line number and function name |
135dfb4a | 2 | Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 |
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 | |
20 | Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
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 | |
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'}, | |
57 | {"target", required_argument, NULL, 'b'}, | |
58 | {"help", no_argument, NULL, 'H'}, | |
59 | {"version", no_argument, NULL, 'V'}, | |
60 | {0, no_argument, 0, 0} | |
61 | }; | |
62 | ||
2da42df6 AJ |
63 | static void usage (FILE *, int); |
64 | static void slurp_symtab (bfd *); | |
65 | static void find_address_in_section (bfd *, asection *, void *); | |
66 | static void translate_addresses (bfd *); | |
67 | static void process_file (const char *, const char *); | |
252b5132 RH |
68 | \f |
69 | /* Print a usage message to STREAM and exit with STATUS. */ | |
70 | ||
71 | static void | |
2da42df6 | 72 | usage (FILE *stream, int status) |
252b5132 | 73 | { |
8b53311e NC |
74 | fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); |
75 | fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); | |
76 | fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); | |
77 | fprintf (stream, _(" The options are:\n\ | |
78 | -b --target=<bfdname> Set the binary file format\n\ | |
79 | -e --exe=<executable> Set the input file name (default is a.out)\n\ | |
80 | -s --basenames Strip directory names\n\ | |
81 | -f --functions Show function names\n\ | |
82 | -C --demangle[=style] Demangle function names\n\ | |
83 | -h --help Display this information\n\ | |
84 | -v --version Display the program's version\n\ | |
85 | \n")); | |
86 | ||
252b5132 RH |
87 | list_supported_targets (program_name, stream); |
88 | if (status == 0) | |
8ad3436c | 89 | fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); |
252b5132 RH |
90 | exit (status); |
91 | } | |
92 | \f | |
93 | /* Read in the symbol table. */ | |
94 | ||
95 | static void | |
2da42df6 | 96 | slurp_symtab (bfd *abfd) |
252b5132 | 97 | { |
252b5132 | 98 | long symcount; |
f309035a | 99 | unsigned int size; |
252b5132 RH |
100 | |
101 | if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) | |
102 | return; | |
103 | ||
2da42df6 | 104 | symcount = bfd_read_minisymbols (abfd, FALSE, (void *) &syms, &size); |
f309035a | 105 | if (symcount == 0) |
2da42df6 | 106 | symcount = bfd_read_minisymbols (abfd, TRUE /* dynamic */, (void *) &syms, &size); |
252b5132 | 107 | |
252b5132 RH |
108 | if (symcount < 0) |
109 | bfd_fatal (bfd_get_filename (abfd)); | |
110 | } | |
111 | \f | |
112 | /* These global variables are used to pass information between | |
113 | translate_addresses and find_address_in_section. */ | |
114 | ||
115 | static bfd_vma pc; | |
116 | static const char *filename; | |
117 | static const char *functionname; | |
118 | static unsigned int line; | |
b34976b6 | 119 | static bfd_boolean found; |
252b5132 RH |
120 | |
121 | /* Look for an address in a section. This is called via | |
122 | bfd_map_over_sections. */ | |
123 | ||
124 | static void | |
2da42df6 AJ |
125 | find_address_in_section (bfd *abfd, asection *section, |
126 | void *data ATTRIBUTE_UNUSED) | |
252b5132 RH |
127 | { |
128 | bfd_vma vma; | |
129 | bfd_size_type size; | |
130 | ||
131 | if (found) | |
132 | return; | |
133 | ||
134 | if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0) | |
135 | return; | |
136 | ||
137 | vma = bfd_get_section_vma (abfd, section); | |
138 | if (pc < vma) | |
139 | return; | |
140 | ||
135dfb4a | 141 | size = bfd_get_section_size (section); |
252b5132 RH |
142 | if (pc >= vma + size) |
143 | return; | |
144 | ||
145 | found = bfd_find_nearest_line (abfd, section, syms, pc - vma, | |
146 | &filename, &functionname, &line); | |
147 | } | |
148 | ||
149 | /* Read hexadecimal addresses from stdin, translate into | |
150 | file_name:line_number and optionally function name. */ | |
151 | ||
152 | static void | |
2da42df6 | 153 | translate_addresses (bfd *abfd) |
252b5132 RH |
154 | { |
155 | int read_stdin = (naddr == 0); | |
156 | ||
157 | for (;;) | |
158 | { | |
159 | if (read_stdin) | |
160 | { | |
161 | char addr_hex[100]; | |
162 | ||
163 | if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) | |
164 | break; | |
165 | pc = bfd_scan_vma (addr_hex, NULL, 16); | |
166 | } | |
167 | else | |
168 | { | |
169 | if (naddr <= 0) | |
170 | break; | |
171 | --naddr; | |
172 | pc = bfd_scan_vma (*addr++, NULL, 16); | |
173 | } | |
174 | ||
b34976b6 | 175 | found = FALSE; |
2da42df6 | 176 | bfd_map_over_sections (abfd, find_address_in_section, NULL); |
252b5132 RH |
177 | |
178 | if (! found) | |
179 | { | |
180 | if (with_functions) | |
181 | printf ("??\n"); | |
182 | printf ("??:0\n"); | |
183 | } | |
184 | else | |
185 | { | |
186 | if (with_functions) | |
187 | { | |
a6637ec0 AM |
188 | const char *name; |
189 | char *alloc = NULL; | |
190 | ||
191 | name = functionname; | |
192 | if (name == NULL || *name == '\0') | |
193 | name = "??"; | |
194 | else if (do_demangle) | |
252b5132 | 195 | { |
a6637ec0 AM |
196 | alloc = demangle (abfd, name); |
197 | name = alloc; | |
252b5132 | 198 | } |
a6637ec0 AM |
199 | |
200 | printf ("%s\n", name); | |
201 | ||
202 | if (alloc != NULL) | |
203 | free (alloc); | |
252b5132 RH |
204 | } |
205 | ||
206 | if (base_names && filename != NULL) | |
207 | { | |
208 | char *h; | |
209 | ||
210 | h = strrchr (filename, '/'); | |
211 | if (h != NULL) | |
212 | filename = h + 1; | |
213 | } | |
214 | ||
215 | printf ("%s:%u\n", filename ? filename : "??", line); | |
216 | } | |
217 | ||
218 | /* fflush() is essential for using this command as a server | |
219 | child process that reads addresses from a pipe and responds | |
220 | with line number information, processing one address at a | |
221 | time. */ | |
222 | fflush (stdout); | |
223 | } | |
224 | } | |
225 | ||
226 | /* Process a file. */ | |
227 | ||
228 | static void | |
2da42df6 | 229 | process_file (const char *file_name, const char *target) |
252b5132 RH |
230 | { |
231 | bfd *abfd; | |
232 | char **matching; | |
233 | ||
f24ddbdd NC |
234 | if (get_file_size (file_name) < 1) |
235 | return; | |
236 | ||
47badb7b | 237 | abfd = bfd_openr (file_name, target); |
252b5132 | 238 | if (abfd == NULL) |
47badb7b | 239 | bfd_fatal (file_name); |
252b5132 RH |
240 | |
241 | if (bfd_check_format (abfd, bfd_archive)) | |
47badb7b | 242 | fatal (_("%s: can not get addresses from archive"), file_name); |
252b5132 RH |
243 | |
244 | if (! bfd_check_format_matches (abfd, bfd_object, &matching)) | |
245 | { | |
246 | bfd_nonfatal (bfd_get_filename (abfd)); | |
247 | if (bfd_get_error () == bfd_error_file_ambiguously_recognized) | |
248 | { | |
249 | list_matching_formats (matching); | |
250 | free (matching); | |
251 | } | |
252 | xexit (1); | |
253 | } | |
254 | ||
255 | slurp_symtab (abfd); | |
256 | ||
257 | translate_addresses (abfd); | |
258 | ||
259 | if (syms != NULL) | |
260 | { | |
261 | free (syms); | |
262 | syms = NULL; | |
263 | } | |
264 | ||
265 | bfd_close (abfd); | |
266 | } | |
267 | \f | |
2da42df6 | 268 | int main (int, char **); |
65de42c0 | 269 | |
252b5132 | 270 | int |
2da42df6 | 271 | main (int argc, char **argv) |
252b5132 | 272 | { |
47badb7b | 273 | const char *file_name; |
252b5132 RH |
274 | char *target; |
275 | int c; | |
276 | ||
277 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) | |
278 | setlocale (LC_MESSAGES, ""); | |
3882b010 L |
279 | #endif |
280 | #if defined (HAVE_SETLOCALE) | |
281 | setlocale (LC_CTYPE, ""); | |
252b5132 RH |
282 | #endif |
283 | bindtextdomain (PACKAGE, LOCALEDIR); | |
284 | textdomain (PACKAGE); | |
285 | ||
286 | program_name = *argv; | |
287 | xmalloc_set_program_name (program_name); | |
288 | ||
289 | bfd_init (); | |
290 | set_default_bfd_target (); | |
291 | ||
47badb7b | 292 | file_name = NULL; |
252b5132 | 293 | target = NULL; |
8b53311e | 294 | while ((c = getopt_long (argc, argv, "b:Ce:sfHhVv", long_options, (int *) 0)) |
252b5132 RH |
295 | != EOF) |
296 | { | |
297 | switch (c) | |
298 | { | |
299 | case 0: | |
8b53311e | 300 | break; /* We've been given a long option. */ |
252b5132 RH |
301 | case 'b': |
302 | target = optarg; | |
303 | break; | |
304 | case 'C': | |
b34976b6 | 305 | do_demangle = TRUE; |
28c309a2 NC |
306 | if (optarg != NULL) |
307 | { | |
308 | enum demangling_styles style; | |
f462a9ea | 309 | |
28c309a2 | 310 | style = cplus_demangle_name_to_style (optarg); |
f462a9ea | 311 | if (style == unknown_demangling) |
28c309a2 NC |
312 | fatal (_("unknown demangling style `%s'"), |
313 | optarg); | |
f462a9ea | 314 | |
28c309a2 | 315 | cplus_demangle_set_style (style); |
f462a9ea | 316 | } |
252b5132 RH |
317 | break; |
318 | case 'e': | |
47badb7b | 319 | file_name = optarg; |
252b5132 RH |
320 | break; |
321 | case 's': | |
b34976b6 | 322 | base_names = TRUE; |
252b5132 RH |
323 | break; |
324 | case 'f': | |
b34976b6 | 325 | with_functions = TRUE; |
252b5132 | 326 | break; |
8b53311e | 327 | case 'v': |
252b5132 RH |
328 | case 'V': |
329 | print_version ("addr2line"); | |
330 | break; | |
8b53311e | 331 | case 'h': |
252b5132 RH |
332 | case 'H': |
333 | usage (stdout, 0); | |
334 | break; | |
335 | default: | |
336 | usage (stderr, 1); | |
337 | break; | |
338 | } | |
339 | } | |
340 | ||
47badb7b NC |
341 | if (file_name == NULL) |
342 | file_name = "a.out"; | |
252b5132 RH |
343 | |
344 | addr = argv + optind; | |
345 | naddr = argc - optind; | |
346 | ||
47badb7b | 347 | process_file (file_name, target); |
252b5132 RH |
348 | |
349 | return 0; | |
350 | } |