#ifndef _ASM_X86_JUMP_LABEL_H
  #define _ASM_X86_JUMP_LABEL_H
  
  #ifdef __KERNEL__
  
  #include <linux/types.h>
  #include <asm/nops.h>

  #include <asm/asm.h>

  
  #define JUMP_LABEL_NOP_SIZE 5

  #define JUMP_LABEL_INITIAL_NOP ".byte 0xe9 
  \t .long 0
  \t"
  
  static __always_inline bool arch_static_branch(struct jump_label_key *key)
  {
  	asm goto("1:"
  		JUMP_LABEL_INITIAL_NOP
  		".pushsection __jump_table,  \"aw\" 
  \t"

  		_ASM_ALIGN "
  \t"

  		_ASM_PTR "1b, %l[l_yes], %c0 
  \t"
  		".popsection 
  \t"
  		: :  "i" (key) : : l_yes);
  	return false;
  l_yes:
  	return true;
  }

  
  #endif /* __KERNEL__ */
  
  #ifdef CONFIG_X86_64

  typedef u64 jump_label_t;

  #else

  typedef u32 jump_label_t;

  #endif

  
  struct jump_entry {
  	jump_label_t code;
  	jump_label_t target;
  	jump_label_t key;
  };
  
  #endif