minix/lib/nbsd_libc/arch/sparc64/sys/pipe.S
Gianluca Guida b6cbf7203b Import unmodified NetBSD libc in trunk
This patch imports the unmodified current version of NetBSD libc.
The NetBSD includes are in /nbsd_include, while the libc code itself is 
split between lib/nbsd_libc and common/lib/libc.
2011-02-14 19:36:03 +00:00

63 lines
2.3 KiB
ArmAsm

/* $NetBSD: pipe.S,v 1.4 2003/08/07 16:42:30 agc Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Header: pipe.s,v 1.1 91/07/06 13:05:58 torek Exp
*/
#include <machine/asm.h>
#if defined(SYSLIBC_SCCS) && !defined(lint)
#if 0
.asciz "@(#)pipe.s 8.1 (Berkeley) 6/4/93"
#else
RCSID("$NetBSD: pipe.S,v 1.4 2003/08/07 16:42:30 agc Exp $")
#endif
#endif /* SYSLIBC_SCCS and not lint */
#include "SYS.h"
#ifdef WEAK_ALIAS
WEAK_ALIAS(pipe, _pipe)
#endif
ENTRY(_pipe)
mov %o0, %o2 /* save pointer */
mov SYS_pipe, %g1
t ST_SYSCALL /* pipe() */
bcc,a 1f
st %o0, [%o2] /* success, store fds */
ERROR()
1:
st %o1, [%o2 + 4]
retl /* and return 0 */
clr %o0