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/* Return unsigned constant represented by attribute.
Copyright (C) 2003, 2005 Red Hat, Inc.
Written by Ulrich Drepper <drepper@redhat.com>, 2003.
This program is Open Source software; you can redistribute it and/or
modify it under the terms of the Open Software License version 1.0 as
published by the Open Source Initiative.
You should have received a copy of the Open Software License along
with this program; if not, you may obtain a copy of the Open Software
License version 1.0 from http://www.opensource.org/licenses/osl.php or
by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
3001 King Ranch Road, Ukiah, CA 95482. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <dwarf.h>
#include "libdwP.h"
int
dwarf_formudata (attr, return_uval)
Dwarf_Attribute *attr;
Dwarf_Word *return_uval;
{
if (attr == NULL)
return -1;
const unsigned char *datap;
switch (attr->form)
{
case DW_FORM_data1:
*return_uval = *attr->valp;
break;
case DW_FORM_data2:
*return_uval = read_2ubyte_unaligned (attr->cu->dbg, attr->valp);
break;
case DW_FORM_data4:
*return_uval = read_4ubyte_unaligned (attr->cu->dbg, attr->valp);
break;
case DW_FORM_data8:
*return_uval = read_8ubyte_unaligned (attr->cu->dbg, attr->valp);
break;
case DW_FORM_sdata:
datap = attr->valp;
get_sleb128 (*return_uval, datap);
break;
case DW_FORM_udata:
datap = attr->valp;
get_uleb128 (*return_uval, datap);
break;
default:
__libdw_seterrno (DWARF_E_NO_CONSTANT);
return -1;
}
return 0;
}
INTDEF(dwarf_formudata)
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