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
   8 #define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
   9
  10 #ifdef CONFIG_X86_X32_ABI
  11 # define __SYSCALL_X32(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
  12 #else
  13 # define __SYSCALL_X32(nr, sym, compat) /* nothing */
  14 #endif
  15
  16 #define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
  17 #include <asm/syscalls_64.h>
  18 #undef __SYSCALL_64
  19
  20 #define __SYSCALL_64(nr, sym, compat) [nr] = sym,
  21
  22 typedef void (*sys_call_ptr_t)(void);
  23
  24 extern void sys_ni_syscall(void);
  25
  26 const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = {
  27         /*
  28          * Smells like a compiler bug -- it doesn't work
  29          * when the & below is removed.
  30          */
  31         [0 ... __NR_syscall_max] = &sys_ni_syscall,
  32 #include <asm/syscalls_64.h>
  33 };