/* Exception handling and frame unwind runtime interface routines.
- Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
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. */
+ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* @@@ Really this should be out of line, but this also causes link
compatibility problems with the base ABI. This is slightly better
than duplicating code, however. */
+#ifndef GCC_UNWIND_PE_H
+#define GCC_UNWIND_PE_H
+
/* If using C++, references to abort have to be qualified with std::. */
#if __cplusplus
#define __gxx_abort std::abort
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 |= (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 |= (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 |= -(1L << shift);
+ result |= -(((_uleb128_t)1L) << shift);
- *val = (_Unwind_Sword) result;
+ *val = (_sleb128_t) result;
return p;
}
signed s8 __attribute__ ((mode (DI)));
} __attribute__((__packed__));
- union unaligned *u = (union unaligned *) p;
+ const union unaligned *u = (const union unaligned *) p;
_Unwind_Internal_Ptr result;
if (encoding == DW_EH_PE_aligned)
_Unwind_Internal_Ptr a = (_Unwind_Internal_Ptr) p;
a = (a + sizeof (void *) - 1) & - sizeof(void *);
result = *(_Unwind_Internal_Ptr *) a;
- p = (const unsigned char *) (a + sizeof (void *));
+ p = (const unsigned char *) (_Unwind_Internal_Ptr) (a + sizeof (void *));
}
else
{
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;
}
}
#endif
+
+#endif /* unwind-pe.h */