1// SPDX-License-Identifier: GPL-2.0
 2/* System call table for x86-64. */
 3
 4#include <linux/linkage.h>
 5#include <linux/sys.h>
 6#include <linux/cache.h>
 7#include <asm/asm-offsets.h>
 8#include <asm/syscall.h>
 9
10/* this is a lie, but it does not hurt as sys_ni_syscall just returns -EINVAL */
11extern asmlinkage long sys_ni_syscall(const struct pt_regs *);
12#define __SYSCALL_64(nr, sym, qual) extern asmlinkage long sym(const struct pt_regs *);
13#define __SYSCALL_X32(nr, sym, qual) __SYSCALL_64(nr, sym, qual)
14#include <asm/syscalls_64.h>
15#undef __SYSCALL_64
16#undef __SYSCALL_X32
17
18#define __SYSCALL_64(nr, sym, qual) [nr] = sym,
19#define __SYSCALL_X32(nr, sym, qual)
20
21asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
22	/*
23	 * Smells like a compiler bug -- it doesn't work
24	 * when the & below is removed.
25	 */
26	[0 ... __NR_syscall_max] = &sys_ni_syscall,
27#include <asm/syscalls_64.h>
28};
29
30#undef __SYSCALL_64
31#undef __SYSCALL_X32
32
33#ifdef CONFIG_X86_X32_ABI
34
35#define __SYSCALL_64(nr, sym, qual)
36#define __SYSCALL_X32(nr, sym, qual) [nr] = sym,
37
38asmlinkage const sys_call_ptr_t x32_sys_call_table[__NR_syscall_x32_max+1] = {
39	/*
40	 * Smells like a compiler bug -- it doesn't work
41	 * when the & below is removed.
42	 */
43	[0 ... __NR_syscall_x32_max] = &sys_ni_syscall,
44#include <asm/syscalls_64.h>
45};
46
47#undef __SYSCALL_64
48#undef __SYSCALL_X32
49
50#endif