xref: /xnu-11215.1.10/libsyscall/custom/__pipe.s (revision 8d741a5de7ff4191bf97d57b9f54c2f6d4a15585)
1*8d741a5dSApple OSS Distributions/*
2*8d741a5dSApple OSS Distributions * Copyright (c) 1999-2007 Apple Inc. All rights reserved.
3*8d741a5dSApple OSS Distributions *
4*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*8d741a5dSApple OSS Distributions *
6*8d741a5dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*8d741a5dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*8d741a5dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*8d741a5dSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*8d741a5dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*8d741a5dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*8d741a5dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*8d741a5dSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*8d741a5dSApple OSS Distributions *
15*8d741a5dSApple OSS Distributions * Please obtain a copy of the License at
16*8d741a5dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*8d741a5dSApple OSS Distributions *
18*8d741a5dSApple OSS Distributions * The Original Code and all software distributed under the License are
19*8d741a5dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*8d741a5dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*8d741a5dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*8d741a5dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*8d741a5dSApple OSS Distributions * Please see the License for the specific language governing rights and
24*8d741a5dSApple OSS Distributions * limitations under the License.
25*8d741a5dSApple OSS Distributions *
26*8d741a5dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*8d741a5dSApple OSS Distributions */
28*8d741a5dSApple OSS Distributions/* Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved. */
29*8d741a5dSApple OSS Distributions
30*8d741a5dSApple OSS Distributions#include "SYS.h"
31*8d741a5dSApple OSS Distributions
32*8d741a5dSApple OSS Distributions#if defined(__i386__)
33*8d741a5dSApple OSS Distributions
34*8d741a5dSApple OSS DistributionsPSEUDO_INT(___pipe, pipe, 0)
35*8d741a5dSApple OSS Distributions	movl	4(%esp),%ecx
36*8d741a5dSApple OSS Distributions	movl	%eax,(%ecx)
37*8d741a5dSApple OSS Distributions	movl	%edx,4(%ecx)
38*8d741a5dSApple OSS Distributions	xorl	%eax,%eax
39*8d741a5dSApple OSS Distributions	ret
40*8d741a5dSApple OSS Distributions
41*8d741a5dSApple OSS Distributions#elif defined(__x86_64__)
42*8d741a5dSApple OSS Distributions
43*8d741a5dSApple OSS DistributionsPSEUDO(___pipe, pipe, 0, cerror_nocancel)
44*8d741a5dSApple OSS Distributions	movl	%eax, (%rdi)
45*8d741a5dSApple OSS Distributions	movl	%edx, 4(%rdi)
46*8d741a5dSApple OSS Distributions	xorl	%eax, %eax
47*8d741a5dSApple OSS Distributions	ret
48*8d741a5dSApple OSS Distributions	UNWIND_EPILOGUE
49*8d741a5dSApple OSS Distributions
50*8d741a5dSApple OSS Distributions#elif defined(__arm__)
51*8d741a5dSApple OSS Distributions
52*8d741a5dSApple OSS DistributionsMI_ENTRY_POINT(___pipe)
53*8d741a5dSApple OSS Distributions	mov		r3,r0              // save fildes across syscall
54*8d741a5dSApple OSS Distributions	SYSCALL_NONAME(pipe, 0, cerror_nocancel)
55*8d741a5dSApple OSS Distributions	str     r0, [r3, #0]
56*8d741a5dSApple OSS Distributions	str     r1, [r3, #4]
57*8d741a5dSApple OSS Distributions	mov		r0,#0
58*8d741a5dSApple OSS Distributions	bx		lr
59*8d741a5dSApple OSS Distributions
60*8d741a5dSApple OSS Distributions#elif defined(__arm64__)
61*8d741a5dSApple OSS Distributions
62*8d741a5dSApple OSS DistributionsMI_ENTRY_POINT(___pipe)
63*8d741a5dSApple OSS Distributions	mov		x9, x0				// Stash FD array
64*8d741a5dSApple OSS Distributions	SYSCALL_NONAME(pipe, 0, cerror_nocancel)
65*8d741a5dSApple OSS Distributions	stp		w0, w1, [x9]		// Save results
66*8d741a5dSApple OSS Distributions	mov		x0, #0				// Success
67*8d741a5dSApple OSS Distributions	ret							// Done
68*8d741a5dSApple OSS Distributions
69*8d741a5dSApple OSS Distributions#else
70*8d741a5dSApple OSS Distributions#error Unsupported architecture
71*8d741a5dSApple OSS Distributions#endif
72