1. 根目录:
2. arch
3. ia64
4. include
5. asm
6. auxvec.h

#ifndef _ASM_IA64_AUXVEC_H
#define _ASM_IA64_AUXVEC_H

/*
 * Architecture-neutral AT_ values are in the range 0-17.  Leave some room for more of
 * them, start the architecture-specific ones at 32.
 */
#define AT_SYSINFO	32
#define AT_SYSINFO_EHDR	33

#endif /* _ASM_IA64_AUXVEC_H */