arch/x86_64/kernel/syscall.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 <linux/config.h>
   7
   8 #define __NO_STUBS
   9
  10 #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ;
  11 #undef _ASM_X86_64_UNISTD_H_
  12 #include <asm-x86_64/unistd.h>
  13
  14 #undef __SYSCALL
  15 #define __SYSCALL(nr, sym) [ nr ] = sym,
  16 #undef _ASM_X86_64_UNISTD_H_
  17
  18 typedef void (*sys_call_ptr_t)(void);
  19
  20 extern void sys_ni_syscall(void);
  21
  22 sys_call_ptr_t sys_call_table[__NR_syscall_max+1] __cacheline_aligned = {
  23         /* Smells like a like a compiler bug -- it doesn't work when the & below is removed. */
  24         [0 ... __NR_syscall_max] = &sys_ni_syscall,
  25 #include <asm-x86_64/unistd.h>
  26 };