1 /* Copyright (C) 2002, 2005 Red Hat, Inc.
2 This file is part of elfutils.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 elfutils is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17
18 #ifdef HAVE_CONFIG_H
19 # include <config.h>
20 #endif
21
22 #include <fcntl.h>
23 #include <libelf.h>
24 #include ELFUTILS_HEADER(dw)
25 #include <stdio.h>
26 #include <unistd.h>
27
28
29 static int globcnt;
30
31 static int
callback(Dwarf * dbg,Dwarf_Global * gl,void * arg)32 callback (Dwarf *dbg, Dwarf_Global *gl, void *arg __attribute__ ((unused)))
33 {
34 int result = DWARF_CB_OK;
35
36 printf (" [%2d] \"%s\", die: %llu, cu: %llu\n",
37 globcnt++, gl->name, (unsigned long long int) gl->die_offset,
38 (unsigned long long int) gl->cu_offset);
39
40 Dwarf_Die cu_die;
41 const char *cuname;
42 if (dwarf_offdie (dbg, gl->cu_offset, &cu_die) == NULL
43 || (cuname = dwarf_diename (&cu_die)) == NULL)
44 {
45 puts ("failed to get CU die");
46 result = DWARF_CB_ABORT;
47 }
48 else
49 printf ("CU name: \"%s\"\n", cuname);
50
51 const char *diename;
52 Dwarf_Die die;
53 if (dwarf_offdie (dbg, gl->die_offset, &die) == NULL
54 || (diename = dwarf_diename (&die)) == NULL)
55 {
56 puts ("failed to get object die");
57 result = DWARF_CB_ABORT;
58 }
59 else
60 printf ("object name: \"%s\"\n", diename);
61
62 return result;
63 }
64
65
66 int
main(int argc,char * argv[])67 main (int argc, char *argv[])
68 {
69 int result = 0;
70 int cnt;
71
72 for (cnt = 1; cnt < argc; ++cnt)
73 {
74 int fd = open (argv[cnt], O_RDONLY);
75 Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
76 if (dbg == NULL)
77 {
78 printf ("%s not usable: %s\n", argv[cnt], dwarf_errmsg (-1));
79 result = 1;
80 close (fd);
81 continue;
82 }
83
84 globcnt = 0;
85
86 if (dwarf_getpubnames (dbg, callback, NULL, 0) != 0)
87 {
88 printf ("dwarf_get_pubnames didn't return zero: %s\n",
89 dwarf_errmsg (-1));
90 result = 1;
91 }
92
93 dwarf_end (dbg);
94 close (fd);
95 }
96
97 return result;
98 }
99