33 lines
846 B
C
33 lines
846 B
C
/**
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* \file
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* \brief Stack utilities for amd64
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*/
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/*
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* (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
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* Torsten Frenzel <frenzel@os.inf.tu-dresden.de>
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* economic rights: Technische Universität Dresden (Germany)
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* This file is part of TUD:OS and distributed under the terms of the
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* GNU Lesser General Public License 2.1.
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* Please see the COPYING-LGPL-2.1 file for details.
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*/
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#ifndef __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__
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#define __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__
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EXTERN_C_BEGIN
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#ifndef _L4UTIL_STACK_H
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#error Do not include stack_impl.h directly, use stack.h instead
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#endif
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L4_INLINE l4_addr_t l4util_stack_get_sp(void)
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{
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l4_addr_t rsp;
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asm("movq %%rsp, %0\n\t" : "=r" (rsp) : );
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return rsp;
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}
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EXTERN_C_END
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#endif /* ! __L4UTIL__INCLUDE__ARCH_AMD64__STACK_IMPL_H__ */
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