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 <linux/syscalls.h> 8#include <asm/syscall.h> 9 10#define __SYSCALL(nr, sym) extern long __x64_##sym(const struct pt_regs *); 11#include <asm/syscalls_64.h> 12#undef __SYSCALL 13 14/* 15 * The sys_call_table[] is no longer used for system calls, but 16 * kernel/trace/trace_syscalls.c still wants to know the system 17 * call address. 18 */ 19#define __SYSCALL(nr, sym) __x64_##sym, 20const sys_call_ptr_t sys_call_table[] = { 21#include <asm/syscalls_64.h> 22}; 23#undef __SYSCALL 24 25#define __SYSCALL(nr, sym) case nr: return __x64_##sym(regs); 26 27long x64_sys_call(const struct pt_regs *regs, unsigned int nr) 28{ 29 switch (nr) { 30 #include <asm/syscalls_64.h> 31 default: return __x64_sys_ni_syscall(regs); 32 } 33}; 34