1 /* Return address represented by attribute.
2 Copyright (C) 2003 Red Hat, Inc.
3 Written by Ulrich Drepper <drepper@redhat.com>, 2003.
4
5 This program is Open Source software; you can redistribute it and/or
6 modify it under the terms of the Open Software License version 1.0 as
7 published by the Open Source Initiative.
8
9 You should have received a copy of the Open Software License along
10 with this program; if not, you may obtain a copy of the Open Software
11 License version 1.0 from http://www.opensource.org/licenses/osl.php or
12 by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
13 3001 King Ranch Road, Ukiah, CA 95482. */
14
15 #ifdef HAVE_CONFIG_H
16 # include <config.h>
17 #endif
18
19 #include <dwarf.h>
20 #include "libdwP.h"
21
22
23 int
dwarf_formaddr(attr,return_addr)24 dwarf_formaddr (attr, return_addr)
25 Dwarf_Attribute *attr;
26 Dwarf_Addr *return_addr;
27 {
28 if (attr == NULL)
29 return -1;
30
31 if (unlikely (attr->form != DW_FORM_addr))
32 {
33 __libdw_seterrno (DWARF_E_NO_ADDR);
34 return -1;
35 }
36
37 if (attr->cu->address_size == 8)
38 *return_addr = read_8ubyte_unaligned (attr->cu->dbg, attr->valp);
39 else
40 *return_addr = read_4ubyte_unaligned (attr->cu->dbg, attr->valp);
41
42 return 0;
43 }
44