44 lines
833 B
C
44 lines
833 B
C
/*
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* \brief Architecture-specific code
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* \author Sebastian Sumpf
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* \author Alexander Boettcher
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* \date 2012-06-10
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*/
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/*
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* Copyright (C) 2012-2017 Genode Labs GmbH
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*
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* This file is distributed under the terms of the GNU General Public License
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* version 2.
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*/
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#ifndef _ARCH_EXECUTE_H_
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#define _ARCH_EXECUTE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define _JBLEN 12
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typedef struct _jmp_buf { long _jb[_JBLEN]; } jmp_buf[1];
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void _longjmp(jmp_buf, int);
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int _setjmp(jmp_buf);
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#ifdef __cplusplus
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}
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#endif
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static inline
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void arch_execute(void *sp, void *func, void *arg)
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{
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asm volatile ("movq %2, %%rdi;"
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"movq %1, 0(%0);"
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"movq %0, %%rsp;"
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"call *0(%%rsp);"
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: "+r" (sp), "+r" (func), "+r" (arg) : : "memory");
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}
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#endif /* _ARCH_EXECUTE_H_ */
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