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
29 static 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
38 int
main(int argc,char * argv[])39 main (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