xref: /linux/arch/x86/entry/syscall_64.c (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 /* System call table for x86-64. */
2 
3 #include <linux/linkage.h>
4 #include <linux/sys.h>
5 #include <linux/cache.h>
6 #include <asm/asm-offsets.h>
7 #include <asm/syscall.h>
8 
9 #define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
10 
11 #ifdef CONFIG_X86_X32_ABI
12 # define __SYSCALL_X32(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
13 #else
14 # define __SYSCALL_X32(nr, sym, compat) /* nothing */
15 #endif
16 
17 #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
18 #include <asm/syscalls_64.h>
19 #undef __SYSCALL_64
20 
21 #define __SYSCALL_64(nr, sym, compat) [nr] = sym,
22 
23 extern void sys_ni_syscall(void);
24 
25 asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
26 	/*
27 	 * Smells like a compiler bug -- it doesn't work
28 	 * when the & below is removed.
29 	 */
30 	[0 ... __NR_syscall_max] = &sys_ni_syscall,
31 #include <asm/syscalls_64.h>
32 };
33