/* Exception handling and frame unwind runtime interface routines.
- Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004, 2008, 2009 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
- In addition to the permissions in the GNU General Public License, the
- Free Software Foundation gives you unlimited permission to link the
- compiled version of this file into combinations with other programs,
- and to distribute those combinations without any restriction coming
- from the use of this file. (The General Public License restrictions
- do apply in other respects; for example, they cover modification of
- the file, and distribution when not linked into a combined
- executable.)
-
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
/* @@@ Really this should be out of line, but this also causes link
compatibility problems with the base ABI. This is slightly better
include leb128. */
static unsigned int
+size_of_encoded_value (unsigned char encoding) __attribute__ ((unused));
+
+static unsigned int
size_of_encoded_value (unsigned char encoding)
{
if (encoding == DW_EH_PE_omit)
pointers should not be leb128 encoded on that target. */
static const unsigned char *
-read_uleb128 (const unsigned char *p, _Unwind_Word *val)
+read_uleb128 (const unsigned char *p, _uleb128_t *val)
{
unsigned int shift = 0;
unsigned char byte;
- _Unwind_Word result;
+ _uleb128_t result;
result = 0;
do
{
byte = *p++;
- result |= ((_Unwind_Word)byte & 0x7f) << shift;
+ result |= ((_uleb128_t)byte & 0x7f) << shift;
shift += 7;
}
while (byte & 0x80);
/* Similar, but read a signed leb128 value. */
static const unsigned char *
-read_sleb128 (const unsigned char *p, _Unwind_Sword *val)
+read_sleb128 (const unsigned char *p, _sleb128_t *val)
{
unsigned int shift = 0;
unsigned char byte;
- _Unwind_Word result;
+ _uleb128_t result;
result = 0;
do
{
byte = *p++;
- result |= ((_Unwind_Word)byte & 0x7f) << shift;
+ result |= ((_uleb128_t)byte & 0x7f) << shift;
shift += 7;
}
while (byte & 0x80);
/* Sign-extend a negative value. */
if (shift < 8 * sizeof(result) && (byte & 0x40) != 0)
- result |= -(((_Unwind_Word)1L) << shift);
+ result |= -(((_uleb128_t)1L) << shift);
- *val = (_Unwind_Sword) result;
+ *val = (_sleb128_t) result;
return p;
}
case DW_EH_PE_uleb128:
{
- _Unwind_Word tmp;
+ _uleb128_t tmp;
p = read_uleb128 (p, &tmp);
result = (_Unwind_Internal_Ptr) tmp;
}
case DW_EH_PE_sleb128:
{
- _Unwind_Sword tmp;
+ _sleb128_t tmp;
p = read_sleb128 (p, &tmp);
result = (_Unwind_Internal_Ptr) tmp;
}