include/asm-x86/module_64.h - linux - Git at Google

 #ifndef _ASM_X8664_MODULE_H
 #define _ASM_X8664_MODULE_H

 struct mod_arch_specific {};

 #define Elf_Shdr Elf64_Shdr
 #define Elf_Sym Elf64_Sym
 #define Elf_Ehdr Elf64_Ehdr

 #endif
	#ifndef _ASM_X8664_MODULE_H
	#define _ASM_X8664_MODULE_H

	struct mod_arch_specific {};

	#define Elf_Shdr Elf64_Shdr
	#define Elf_Sym Elf64_Sym
	#define Elf_Ehdr Elf64_Ehdr

	#endif