3 * \brief Stack utilities for amd64
6 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
7 * Torsten Frenzel <frenzel@os.inf.tu-dresden.de>
8 * economic rights: Technische Universität Dresden (Germany)
9 * This file is part of TUD:OS and distributed under the terms of the
10 * GNU Lesser General Public License 2.1.
11 * Please see the COPYING-LGPL-2.1 file for details.
13 #ifndef __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__
14 #define __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__
18 #ifndef _L4UTIL_STACK_H
19 #error Do not include stack_impl.h directly, use stack.h instead
22 L4_INLINE l4_addr_t l4util_stack_get_sp(void)
26 asm("movq %%rsp, %0\n\t" : "=r" (rsp) : );
32 #endif /* ! __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__ */