1/* Copyright (C) 2002, 2004 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
29static const Dwarf_Addr testaddr[] =
30{
31  0x804842b, 0x804842c, 0x804843c, 0x8048459, 0x804845a,
32  0x804845b, 0x804845c, 0x8048460, 0x8048465, 0x8048466,
33  0x8048467, 0x8048468, 0x8048470, 0x8048471, 0x8048472
34};
35#define ntestaddr (sizeof (testaddr) / sizeof (testaddr[0]))
36
37
38int
39main (int argc, char *argv[])
40{
41  int result = 0;
42  int cnt;
43
44  for (cnt = 1; cnt < argc; ++cnt)
45    {
46      int fd = open (argv[cnt], O_RDONLY);
47
48      Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
49      if (dbg == NULL)
50	{
51	  printf ("%s not usable\n", argv[cnt]);
52	  result = 1;
53	  close (fd);
54	  continue;
55	}
56
57      Dwarf_Aranges *aranges;
58      size_t naranges;
59      if (dwarf_getaranges (dbg, &aranges, &naranges) != 0)
60	printf ("%s: cannot get aranges\n", argv[cnt]);
61      else
62	{
63	  for (size_t i = 0; i < ntestaddr; ++i)
64	    {
65	      Dwarf_Arange *found;
66
67	      found = dwarf_getarange_addr (aranges, testaddr[i]);
68	      if (found != NULL)
69		{
70		  Dwarf_Off cu_offset;
71
72		  if (dwarf_getarangeinfo (found, NULL, NULL, &cu_offset) != 0)
73		    {
74		      puts ("failed to get CU die offset");
75		      result = 1;
76		    }
77		  else
78		    {
79		      const char *cuname;
80		      Dwarf_Die cu_die;
81
82		      if (dwarf_offdie (dbg, cu_offset, &cu_die) == NULL
83			  || (cuname = dwarf_diename (&cu_die)) == NULL)
84			{
85			  puts ("failed to get CU die");
86			  result = 1;
87			}
88		      else
89			printf ("CU name: \"%s\"\n", cuname);
90		    }
91		}
92	      else
93		printf ("%#llx: not in range\n",
94			(unsigned long long int) testaddr[i]);
95	    }
96
97	  for (size_t i = 0; i < naranges; ++i)
98	    {
99	      Dwarf_Arange *arange = dwarf_onearange (aranges, i);
100	      if (arange == NULL)
101		{
102		  printf ("cannot get arange %zu: %s\n", i, dwarf_errmsg (-1));
103		  break;
104		}
105
106	      Dwarf_Addr start;
107	      Dwarf_Word length;
108	      Dwarf_Off cu_offset;
109
110	      if (dwarf_getarangeinfo (arange, &start, &length, &cu_offset)
111		  != 0)
112		{
113		  printf ("cannot get info from aranges[%zu]\n", i);
114		  result = 1;
115		}
116	      else
117		{
118		  printf (" [%2zu] start: %#llx, length: %llu, cu: %llu\n",
119			  i, (unsigned long long int) start,
120			  (unsigned long long int) length,
121			  (unsigned long long int) cu_offset);
122
123		  const char *cuname;
124		  Dwarf_Die cu_die;
125		  if (dwarf_offdie (dbg, cu_offset, &cu_die) == NULL
126		      || (cuname = dwarf_diename (&cu_die)) == NULL)
127		    {
128		      puts ("failed to get CU die");
129		      result = 1;
130		    }
131		  else
132		    printf ("CU name: \"%s\"\n", cuname);
133		}
134	    }
135	}
136
137      dwarf_end (dbg);
138      close (fd);
139    }
140
141  return result;
142}
143