replacement pipe() system call; copies data into place inside kernel, so

that EFAULT return value is possible

10 files changed, 0 insertions, 450 deletions

diff --git a/lib/libc/arch/alpha/sys/pipe.S b/lib/libc/arch/alpha/sys/pipe.S
deleted file mode 100644
index 9a3a2c8f379..00000000000
--- a/lib/libc/arch/alpha/sys/pipe.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/*	$OpenBSD: pipe.S,v 1.4 1999/02/04 06:22:35 d Exp $	*/
-/*	$NetBSD: pipe.S,v 1.1 1995/02/10 17:50:35 cgd Exp $	*/
-
-/*
- * Copyright (c) 1994, 1995 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Author: Chris G. Demetriou
- * 
- * Permission to use, copy, modify and distribute this software and
- * its documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- * 
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
- * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- *
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie the
- * rights to redistribute these changes.
- */
-
-#include "SYS.h"
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.4 1999/02/04 06:22:35 d Exp $"
-#endif /* SYSLIBC_SCCS */
-
-SYSCALL(pipe)
-	stl	v0, 0(a0)
-	stl	a4, 4(a0)
-	mov	zero, v0
-	RET
-SYSEND(pipe)
diff --git a/lib/libc/arch/arm32/sys/pipe.S b/lib/libc/arch/arm32/sys/pipe.S
deleted file mode 100644
index 516a7a4a7ac..00000000000
--- a/lib/libc/arch/arm32/sys/pipe.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#include "SYS.h"
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.3 1996/08/19 08:11:56 tholo Exp $"
-#endif /* SYSLIB_SCCS */
-
-	.text
-	.align	0
-
-ENTRY(pipe)
-	mov	r2, r0
-	swi	SYS_pipe
-	bcs	cerror
-	str	r0, [r2, #0x0000]
-	str	r1, [r2, #0x0004]
-	mov	r0, #0x00000000
-	mov	r15, r14
diff --git a/lib/libc/arch/i386/sys/pipe.S b/lib/libc/arch/i386/sys/pipe.S
deleted file mode 100644
index d90a429e2fc..00000000000
--- a/lib/libc/arch/i386/sys/pipe.S
+++ /dev/null
@@ -1,49 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#include "SYS.h"
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.2 1996/08/19 08:13:33 tholo Exp $"
-#endif /* SYSLIB_SCCS */
-
-SYSCALL(pipe)
-	movl	4(%esp),%ecx
-	movl	%eax,(%ecx)
-	movl	%edx,4(%ecx)
-	xorl	%eax,%eax
-	ret
diff --git a/lib/libc/arch/m68k/sys/pipe.S b/lib/libc/arch/m68k/sys/pipe.S
deleted file mode 100644
index 51263b4ae78..00000000000
--- a/lib/libc/arch/m68k/sys/pipe.S
+++ /dev/null
@@ -1,50 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * the Systems Programming Group of the University of Utah Computer
- * Science Department.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.2 1996/08/19 08:15:37 tholo Exp $"
-#endif /* SYSLIBC_SCCS */
-
-#include "SYS.h"
-
-SYSCALL(pipe)
-	movl	sp@(4),a0
-	movl	d0,a0@+
-	movl	d1,a0@
-	clrl	d0
-	rts
diff --git a/lib/libc/arch/m88k/sys/pipe.S b/lib/libc/arch/m88k/sys/pipe.S
deleted file mode 100644
index 720dbed8787..00000000000
--- a/lib/libc/arch/m88k/sys/pipe.S
+++ /dev/null
@@ -1,55 +0,0 @@
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * the Systems Programming Group of the University of Utah Computer
- * Science Department.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-	.data
-	/*.asciz "from: @(#)pipe.s	5.1 (Berkeley) 5/12/90"*/
-	.asciz "$Id: pipe.S,v 1.1 1998/12/15 07:10:33 smurph Exp $"
-	.text
-#endif /* LIBC_SCCS and not lint */
-
-#include "SYS.h"
-
-ENTRY(pipe)
-	or	r4,r2,0
-	or	r13,r0,SYS_pipe
-	tb0	0,r0,128
-	br	cerror
-	st	r2,r4,0
-	st	r3,r4,4
-	jmp.n	r1
-	or	r2,r0,0
diff --git a/lib/libc/arch/mips/sys/pipe.S b/lib/libc/arch/mips/sys/pipe.S
deleted file mode 100644
index af15e39ce2b..00000000000
--- a/lib/libc/arch/mips/sys/pipe.S
+++ /dev/null
@@ -1,56 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Ralph Campbell.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#include "SYS.h"
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.5 1999/01/19 01:38:53 d Exp $"
-#endif /* SYSLIBC_SCCS */
-
-SYSLEAF(pipe)
-	.set	reorder
-	li	v0, SYS_pipe	# pipe(fildes) int fildes[2];
-	syscall
-	bne	a3, zero, 1f
-	sw	v0, 0(a0)	# store the two file descriptors
-	sw	v1, 4(a0)
-	move	v0, zero
-	j	ra
-1:
-	la	t9, _C_LABEL(cerror)
-	jr	t9
-SYSEND(pipe)
diff --git a/lib/libc/arch/ns32k/sys/pipe.S b/lib/libc/arch/ns32k/sys/pipe.S
deleted file mode 100644
index 228e6994808..00000000000
--- a/lib/libc/arch/ns32k/sys/pipe.S
+++ /dev/null
@@ -1,29 +0,0 @@
-/* 
- * Copyright (c) 1992 Helsinki University of Technology
- * All Rights Reserved.
- * 
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- * 
- * HELSINKI UNIVERSITY OF TECHNOLOGY ALLOWS FREE USE OF THIS SOFTWARE IN
- * ITS "AS IS" CONDITION. HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIMS ANY
- * LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
- * USE OF THIS SOFTWARE.
- */
-
-#include <SYS.h>
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.2 1996/08/19 08:17:09 tholo Exp $"
-#endif /* SYSLIBC_SCCS */
-
-SYSCALL(pipe)
-	movd	S_ARG0, r2
-	movd	r0, 0(r2)
-	movd	r1, 4(r2)
-	movqd	0, r0
-	ret	0
diff --git a/lib/libc/arch/powerpc/sys/pipe.S b/lib/libc/arch/powerpc/sys/pipe.S
deleted file mode 100644
index 539a01c5aff..00000000000
--- a/lib/libc/arch/powerpc/sys/pipe.S
+++ /dev/null
@@ -1,16 +0,0 @@
-/* int sigsuspend(int *mask) */
-
-#include "SYS.h"
-
-	.text
-PREFIX(pipe)
-	mr	5, 3		/* keep buf addr safe */
-	sc
-	cmpwi	0, 0
- 	beq	ok
-	b	PIC_PLT(_ASM_LABEL(cerror))
-
-ok:	stw	3, 0(5)
-	stw	4, 4(5)
-	li	3, 0
-	blr
diff --git a/lib/libc/arch/sparc/sys/pipe.S b/lib/libc/arch/sparc/sys/pipe.S
deleted file mode 100644
index b6c3cd67149..00000000000
--- a/lib/libc/arch/sparc/sys/pipe.S
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#if defined(SYSLIBC_SCCS) 
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.3 1999/01/22 06:07:56 marc Exp $"
-#endif /* SYSLIBC_SCCS */
-
-#include "SYS.h"
-
-SYSENTRY(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
diff --git a/lib/libc/arch/vax/sys/pipe.S b/lib/libc/arch/vax/sys/pipe.S
deleted file mode 100644
index 69ef82001c7..00000000000
--- a/lib/libc/arch/vax/sys/pipe.S
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (c) 1983, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. 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.
- */
-
-#if defined(SYSLIBC_SCCS)
-	.text
-	.asciz "$OpenBSD: pipe.S,v 1.2 1996/08/19 08:19:01 tholo Exp $"
-#endif /* SYSLIBC_SCCS */
-
-#include "SYS.h"
-
-SYSCALL(pipe)
-	movl	4(ap),r2
-	movl	r0,(r2)+
-	movl	r1,(r2)
-	clrl	r0
-	ret