ladybird/Userland/Libraries/LibSystem/syscall.h
Andreas Kling deff554096 Kernel+LibSystem: Add a 4th syscall argument
Let's allow passing 4 function arguments to a syscall. The 4th argument
goes into ESI or RSI.
2021-07-25 14:08:50 +02:00

49 lines
1.3 KiB
C

/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/API/Syscall.h>
#include <sys/types.h>
extern "C" {
uintptr_t syscall0(uintptr_t function);
uintptr_t syscall1(uintptr_t function, uintptr_t arg0);
uintptr_t syscall2(uintptr_t function, uintptr_t arg0, uintptr_t arg1);
uintptr_t syscall3(uintptr_t function, uintptr_t arg0, uintptr_t arg1, uintptr_t arg2);
uintptr_t syscall4(uintptr_t function, uintptr_t arg0, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3);
}
#ifdef __cplusplus
inline uintptr_t syscall(auto function)
{
return syscall0(function);
}
inline uintptr_t syscall(auto function, auto arg0)
{
return syscall1((uintptr_t)function, (uintptr_t)arg0);
}
inline uintptr_t syscall(auto function, auto arg0, auto arg1)
{
return syscall2((uintptr_t)function, (uintptr_t)arg0, (uintptr_t)arg1);
}
inline uintptr_t syscall(auto function, auto arg0, auto arg1, auto arg2)
{
return syscall3((uintptr_t)function, (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2);
}
inline uintptr_t syscall(auto function, auto arg0, auto arg1, auto arg2, auto arg3)
{
return syscall4((uintptr_t)function, (uintptr_t)arg0, (uintptr_t)arg1, (uintptr_t)arg2, (uintptr_t)arg3);
}
#endif