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 
27 extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
28 
29 const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
30 #include <asm/syscalls_64.h>
31 };
32 
33 int syscall_table_size = sizeof(sys_call_table);
34