1/* Copyright (C) 2002, 2004, 2005, 2007 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
29int
30main (int argc, char *argv[])
31{
32  int result = 0;
33  int cnt;
34
35  for (cnt = 1; cnt < argc; ++cnt)
36    {
37      int fd = open (argv[cnt], O_RDONLY);
38
39      Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
40      if (dbg == NULL)
41	{
42	  printf ("%s not usable\n", argv[cnt]);
43	  result = 1;
44	  if (fd != -1)
45	    close (fd);
46	  continue;
47	}
48
49      Dwarf_Off o = 0;
50      Dwarf_Off ncu;
51      Dwarf_Off ao;
52      size_t cuhl;
53      uint8_t asz;
54      uint8_t osz;
55      while (dwarf_nextcu (dbg, o, &ncu, &cuhl, &ao, &asz, &osz) == 0)
56	{
57	  printf ("cuhl = %zu, o = %llu, asz = %hhu, osz = %hhu, ncu = %llu\n",
58		  cuhl, (unsigned long long int) ao,
59		  asz, osz, (unsigned long long int) ncu);
60
61	  Dwarf_Die die_mem;
62	  Dwarf_Die *die = dwarf_offdie (dbg, o + cuhl, &die_mem);
63	  if (die == NULL)
64	    {
65	      printf ("%s: cannot get CU die\n", argv[cnt]);
66	      result = 1;
67	      break;
68	    }
69
70	  Dwarf_Files *files;
71	  size_t nfiles;
72	  if (dwarf_getsrcfiles (die, &files, &nfiles) != 0)
73	    {
74	      printf ("%s: cannot get files\n", argv[cnt]);
75	      result = 1;
76	      break;
77	    }
78
79	  const char *const *dirs;
80	  size_t ndirs;
81	  if (dwarf_getsrcdirs (files, &dirs, &ndirs) != 0)
82	    {
83	      printf ("%s: cannot get include directories\n", argv[cnt]);
84	      result = 1;
85	      break;
86	    }
87
88	  if (dirs[0] == NULL)
89	    puts (" dirs[0] = (null)");
90	  else
91	    printf (" dirs[0] = \"%s\"\n", dirs[0]);
92	  for (size_t i = 1; i < ndirs; ++i)
93	    printf (" dirs[%zu] = \"%s\"\n", i, dirs[i]);
94
95	  for (size_t i = 0; i < nfiles; ++i)
96	    printf (" file[%zu] = \"%s\"\n", i,
97		    dwarf_filesrc (files, i, NULL, NULL));
98
99	  o = ncu;
100	}
101
102      dwarf_end (dbg);
103      close (fd);
104    }
105
106  return result;
107}
108