/* Native-dependent code for AMD64.
- Copyright 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "gdbarch.h"
#include "regcache.h"
#include "gdb_assert.h"
+#include "gdb_string.h"
#include "i386-tdep.h"
#include "amd64-tdep.h"
}
-/* Supply register REGNUM, whose contents are store in BUF, to
+/* Supply register REGNUM, whose contents are stored in GREGS, to
REGCACHE. If REGNUM is -1, supply all appropriate registers. */
void
int i;
if (gdbarch_ptr_bit (gdbarch) == 32)
- num_regs = amd64_native_gregset32_num_regs;
+ {
+ num_regs = amd64_native_gregset32_num_regs;
+
+ /* Make sure %eax, %ebx, %ecx, %edx, %esi, %edi, %ebp, %esp and
+ %eip get zero-extended to 64 bits. */
+ for (i = 0; i <= I386_EIP_REGNUM; i++)
+ {
+ if (regnum == -1 || regnum == i)
+ memset (regs + amd64_native_gregset_reg_offset (i), 0, 8);
+ }
+ /* Ditto for %cs, %ss, %ds, %es, %fs, and %gs. */
+ for (i = I386_CS_REGNUM; i <= I386_GS_REGNUM; i++)
+ {
+ if (regnum == -1 || regnum == i)
+ memset (regs + amd64_native_gregset_reg_offset (i), 0, 8);
+ }
+ }
if (num_regs > NUM_REGS)
num_regs = NUM_REGS;