L4Re - L4 Runtime Environment
stack_impl.h
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1 
5 /*
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 Universit├Ąt 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.
12  */
13 #ifndef __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__
14 #define __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__
15 
17 
18 #ifndef _L4UTIL_STACK_H
19 #error Do not include stack_impl.h directly, use stack.h instead
20 #endif
21 
23 {
24  l4_addr_t rsp;
25 
26  asm("movq %%rsp, %0\n\t" : "=r" (rsp) : );
27  return rsp;
28 }
29 
31 
32 #endif /* ! __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__ */
#define EXTERN_C_END
End section with C types and functions.
Definition: compiler.h:187
l4_addr_t l4util_stack_get_sp(void)
Get current stack pointer.
Definition: stack_impl.h:23
#define EXTERN_C_BEGIN
Start section with C types and functions.
Definition: compiler.h:186
unsigned long l4_addr_t
Address type.
Definition: l4int.h:45