arch/x86/entry/syscall_64.c

   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 */
  11 extern 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 #include <asm/syscalls_64.h>
  14 #undef __SYSCALL_64
  15
  16 #define __SYSCALL_64(nr, sym, qual) [nr] = sym,
  17
  18 asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
  19         /*
  20          * Smells like a compiler bug -- it doesn't work
  21          * when the & below is removed.
  22          */
  23         [0 ... __NR_syscall_max] = &sys_ni_syscall,
  24 #include <asm/syscalls_64.h>
  25 };