1/*- 2 * Copyright (c) 2002 Peter Grehan. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26/* $NetBSD: pipe.S,v 1.6 2000/09/28 08:38:54 kleink Exp $ */ 27 28#include <machine/asm.h> 29__FBSDID("$FreeBSD: releng/10.3/lib/libc/powerpc64/sys/pipe.S 218824 2011-02-18 21:44:53Z nwhitehorn $"); 30 31#include "SYS.h" 32 33ENTRY(pipe) 34 mr %r5,%r3 /* save pointer */ 35 li %r0,SYS_pipe 36 sc /* r5 is preserved */ 37 bso 1f 38 stw %r3,0(%r5) /* success, store fds */ 39 stw %r4,4(%r5) 40 li %r3,0 41 blr /* and return 0 */ 421: 43 mflr %r0 44 std %r0,16(%r1) 45 stdu %r1,-48(%r1) 46 bl HIDENAME(cerror) 47 nop 48 ld %r1,0(%r1) 49 ld %r0,16(%r1) 50 mtlr %r0 51 blr 52 53 .section .note.GNU-stack,"",%progbits 54