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1 /* Copyright (C) 2014 Red Hat, Inc.
2    This file is part of elfutils.
3 
4    This file is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License as published by
6    the Free Software Foundation; either version 3 of the License, or
7    (at your option) any later version.
8 
9    elfutils is distributed in the hope that it will be useful, but
10    WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13 
14    You should have received a copy of the GNU General Public License
15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
16 
17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
20 
21 #include <errno.h>
22 #include <error.h>
23 #include <fcntl.h>
24 #include <inttypes.h>
25 #include <libelf.h>
26 #include ELFUTILS_HEADER(dw)
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <unistd.h>
30 
31 
32 int
main(int argc,char * argv[])33 main (int argc, char *argv[])
34 {
35   /* file addr+ */
36   int fd = open (argv[1], O_RDONLY);
37   Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
38   if  (dbg == NULL)
39     error (-1, 0, "dwarf_begin (%s): %s\n", argv[1], dwarf_errmsg (-1));
40 
41   for (int i = 2; i < argc; i++)
42     {
43       Dwarf_Addr addr;
44       char *endptr;
45       Dwarf_Die cudie;
46       Dwarf_Line *line;
47 
48       errno = 0;
49       addr = strtoull (argv[i], &endptr, 16);
50       if (errno != 0)
51 	error (-1, errno, "Cannot parrse '%s'", argv[1]);
52 
53       if (dwarf_addrdie (dbg, addr, &cudie) == NULL)
54 	error (-1, 0, "dwarf_addrdie (%s): %s", argv[i], dwarf_errmsg (-1));
55 
56       line = dwarf_getsrc_die (&cudie, addr);
57       if (line == NULL)
58 	error (-1, 0, "dwarf_getsrc_die (%s): %s", argv[i], dwarf_errmsg (-1));
59 
60       const char *f = dwarf_linesrc (line, NULL, NULL);
61       int l;
62       if (dwarf_lineno (line, &l) != 0)
63 	l = 0;
64 
65       printf ("%s:%d\n", f ?: "???", l);
66     }
67 
68   dwarf_end (dbg);
69   close (fd);
70 
71   return 0;
72 }
73