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

/*
 * IA-64 Linux syscall numbers and inline-functions.
 *
 * Copyright (C) 1998-2005 Hewlett-Packard Co
 *	David Mosberger-Tang <davidm@hpl.hp.com>
 */
#ifndef _ASM_IA64_UNISTD_H
#define _ASM_IA64_UNISTD_H

#include <uapi/asm/unistd.h>



#define NR_syscalls			319 /* length of syscall table */

/*
 * The following defines stop scripts/checksyscalls.sh from complaining about
 * unimplemented system calls.  Glibc provides for each of these by using
 * more modern equivalent system calls.
 */
#define __IGNORE_fork		/* clone() */
#define __IGNORE_time		/* gettimeofday() */
#define __IGNORE_alarm		/* setitimer(ITIMER_REAL, ... */
#define __IGNORE_pause		/* rt_sigprocmask(), rt_sigsuspend() */
#define __IGNORE_utime		/* utimes() */
#define __IGNORE_getpgrp	/* getpgid() */
#define __IGNORE_vfork		/* clone() */
#define __IGNORE_umount2	/* umount() */

#if !defined(__ASSEMBLY__) && !defined(ASSEMBLER)

#include <linux/types.h>
#include <linux/linkage.h>
#include <linux/compiler.h>

extern long __ia64_syscall (long a0, long a1, long a2, long a3, long a4, long nr);

asmlinkage unsigned long sys_mmap(
				unsigned long addr, unsigned long len,
				int prot, int flags,
				int fd, long off);
asmlinkage unsigned long sys_mmap2(
				unsigned long addr, unsigned long len,
				int prot, int flags,
				int fd, long pgoff);
struct pt_regs;
asmlinkage long sys_ia64_pipe(void);

#endif /* !__ASSEMBLY__ */
#endif /* _ASM_IA64_UNISTD_H */