#ifndef __ASM_LINKAGE_H
  #define __ASM_LINKAGE_H
  
  #define cond_syscall(x)  asm(".weak\t" #x "
  " #x " = sys_ni_syscall")
  #define SYSCALL_ALIAS(alias, name)					\
  	asm ( #alias " = " #name "
  \t.globl " #alias)
  
  #endif