arch/x86/entry/syscall_64.c

   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_64_QUAL_(sym) sym
  10 #define __SYSCALL_64_QUAL_ptregs(sym) ptregs_##sym
  11
  12 #define __SYSCALL_64(nr, sym, qual) extern asmlinkage long __SYSCALL_64_QUAL_##qual(sym)(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
  13 #include <asm/syscalls_64.h>
  14 #undef __SYSCALL_64
  15
  16 #define __SYSCALL_64(nr, sym, qual) [nr] = __SYSCALL_64_QUAL_##qual(sym),
  17
  18 extern long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
  19
  20 asmlinkage const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
  21         /*
  22          * Smells like a compiler bug -- it doesn't work
  23          * when the & below is removed.
  24          */
  25         [0 ... __NR_syscall_max] = &sys_ni_syscall,
  26 #include <asm/syscalls_64.h>
  27 };