1. 根目录:
2. arch
3. alpha
4. include
5. asm
6. siginfo.h

#ifndef _ALPHA_SIGINFO_H
#define _ALPHA_SIGINFO_H

#define __ARCH_SI_PREAMBLE_SIZE		(4 * sizeof(int))
#define __ARCH_SI_TRAPNO

#include <asm-generic/siginfo.h>

#endif