/* Target-dependent code for OpenBSD/amd64.
- Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GDB.
This program 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 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
cache = trad_frame_cache_zalloc (next_frame);
*this_cache = cache;
- func = frame_func_unwind (next_frame);
+ /* NORMAL_FRAME matches the type in amd64obsd_trapframe_unwind, but
+ SIGTRAMP_FRAME might be more appropriate. */
+ func = frame_func_unwind (next_frame, NORMAL_FRAME);
sp = frame_unwind_register_unsigned (next_frame, AMD64_RSP_REGNUM);
find_pc_partial_function (func, &name, NULL, NULL);
- if (name && strncmp(name, "Xintr", 5) == 0)
+ if (name && strncmp (name, "Xintr", 5) == 0)
addr = sp + 8; /* It's an interrupt frame. */
else
addr = sp;
cs = read_memory_unsigned_integer (addr, 8);
if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
{
- /* Trap from use space; terminate backtrace. */
+ /* Trap from user space; terminate backtrace. */
trad_frame_set_id (cache, null_frame_id);
}
else
ULONGEST cs;
char *name;
+ /* Check Current Privilege Level and bail out if we're not executing
+ in kernel space. */
cs = frame_unwind_register_unsigned (next_frame, AMD64_CS_REGNUM);
if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
return 0;