1// SPDX-License-Identifier: GPL-2.0
2/*
3 * System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c
4 * with some changes for UML.
5 */
6
7#include <linux/linkage.h>
8#include <linux/sys.h>
9#include <linux/cache.h>
10#include <asm/syscall.h>
11
12/*
13 * Below you can see, in terms of #define's, the differences between the x86-64
14 * and the UML syscall table.
15 */
16
17/* Not going to be implemented by UML, since we have no hardware. */
18#define sys_iopl sys_ni_syscall
19#define sys_ioperm sys_ni_syscall
20
21#define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
22#include <asm/syscalls_64.h>
23
24#undef __SYSCALL
25#define __SYSCALL(nr, sym) sym,
26
27extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
28
29const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
30#include <asm/syscalls_64.h>
31};
32
33int syscall_table_size = sizeof(sys_call_table);
34

source code of linux/arch/x86/um/sys_call_table_64.c