Imported Upstream version 0.155
[platform/upstream/elfutils.git] / tests / typeiter.c
1 /* Copyright (C) 2012 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 <fcntl.h>
22 #include ELFUTILS_HEADER(dw)
23 #include <stdio.h>
24 #include <unistd.h>
25 #include <dwarf.h>
26
27 int
28 main (int argc, char *argv[])
29 {
30   for (int i = 1; i < argc; ++i)
31     {
32       int fd = open (argv[i], O_RDONLY);
33
34       Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
35       if (dbg != NULL)
36         {
37           Dwarf_Off off = 0;
38           size_t cuhl;
39           Dwarf_Off noff;
40
41           while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0)
42             {
43               Dwarf_Die die_mem;
44               Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem);
45
46               Dwarf_Die iter_mem;
47               Dwarf_Die *iter = &iter_mem;
48               dwarf_child (die, &iter_mem);
49
50               while (1)
51                 {
52                   if (dwarf_tag (iter) == DW_TAG_variable)
53                     {
54                       Dwarf_Attribute attr_mem;
55                       Dwarf_Die form_mem;
56                       dwarf_formref_die (dwarf_attr (iter, DW_AT_type,
57                                                      &attr_mem),
58                                          &form_mem);
59                     }
60
61                   if (dwarf_siblingof (iter, &iter_mem) != 0)
62                     break;
63                 }
64
65               off = noff;
66             }
67
68           off = 0;
69           uint64_t type_sig;
70
71           while (dwarf_next_unit (dbg, off, &noff, &cuhl, NULL, NULL, NULL,
72                                   NULL, &type_sig, NULL) == 0)
73             {
74               Dwarf_Die die_mem;
75               Dwarf_Die *die = dwarf_offdie_types (dbg, off + cuhl, &die_mem);
76
77               if (die == NULL)
78                 printf ("fail\n");
79               else
80                 printf ("ok\n");
81
82               off = noff;
83             }
84
85           dwarf_end (dbg);
86         }
87
88       close (fd);
89     }
90 }