1// SPDX-License-Identifier: GPL-2.0
2/*
3 * System call table for UML/i386, 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 sys_vm86old sys_ni_syscall
22#define sys_vm86 sys_ni_syscall
23
24#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native)
25
26#define __SYSCALL(nr, sym) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
27#include <asm/syscalls_32.h>
28
29#undef __SYSCALL
30#define __SYSCALL(nr, sym) sym,
31
32extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
33
34const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
35#include <asm/syscalls_32.h>
36};
37
38int syscall_table_size = sizeof(sys_call_table);
39

source code of linux/arch/x86/um/sys_call_table_32.c