genode/repos/dde_linux/src/include/spec/x86_64/lx_kit/internal/arch_execute.h
2017-05-02 15:29:03 +02:00

44 lines
833 B
C

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