arch/x86/kernel/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_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 };