1/* Copyright (C) 2012, 2013, 2015 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#include <inttypes.h>
27
28int
29main (int argc, char *argv[])
30{
31  for (int i = 1; i < argc; ++i)
32    {
33      int fd = open (argv[i], O_RDONLY);
34
35      Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
36      if (dbg != NULL)
37	{
38	  Dwarf_Off off = 0;
39	  size_t cuhl;
40	  Dwarf_Off noff;
41	  uint64_t type_sig;
42
43	  while (dwarf_next_unit (dbg, off, &noff, &cuhl, NULL, NULL, NULL,
44				  NULL, &type_sig, NULL) == 0)
45	    {
46	      Dwarf_Die die_mem;
47	      dwarf_offdie_types (dbg, off + cuhl, &die_mem);
48	      off = noff;
49	    }
50
51	  off = 0;
52
53	  while (dwarf_nextcu (dbg, off, &noff, &cuhl, NULL, NULL, NULL) == 0)
54	    {
55	      Dwarf_Die die_mem;
56	      Dwarf_Die *die = dwarf_offdie (dbg, off + cuhl, &die_mem);
57
58	      Dwarf_Die iter_mem;
59	      Dwarf_Die *iter = &iter_mem;
60	      dwarf_child (die, &iter_mem);
61
62	      while (1)
63		{
64		  if (dwarf_tag (iter) == DW_TAG_variable)
65		    {
66		      Dwarf_Attribute attr_mem;
67		      Dwarf_Die form_mem, *form;
68		      form = dwarf_formref_die (dwarf_attr (iter, DW_AT_type,
69							    &attr_mem),
70						&form_mem);
71
72		      if (form == NULL)
73			printf ("fail\n");
74		      else
75			printf ("ok %s [%" PRIx64 "]\n",
76				dwarf_diename (form), dwarf_dieoffset (form));
77		    }
78
79		  if (dwarf_siblingof (iter, &iter_mem) != 0)
80		    break;
81		}
82
83	      off = noff;
84	    }
85
86	  dwarf_end (dbg);
87	}
88
89      close (fd);
90    }
91}
92