xref: /titanic_41/usr/src/lib/libc/common/sys/mmap.s (revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*	Copyright (c) 1988 AT&T	*/
23/*	All Rights Reserved	*/
24
25
26/*
27 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#pragma ident	"%Z%%M%	%I%	%E% SMI"
32
33	.file	"%M%"
34
35#include <sys/asm_linkage.h>
36
37#if !defined(_LARGEFILE_SOURCE)
38	ANSI_PRAGMA_WEAK(mmap,function)
39#else
40	ANSI_PRAGMA_WEAK(mmap64,function)
41#endif
42
43#include "SYS.h"
44#include <sys/mman.h>		/* Need _MAP_NEW definition     */
45
46#if !defined(_LARGEFILE_SOURCE)
47
48/*
49 * C library -- mmap
50 * caddr_t mmap(caddr_t addr, size_t len, int prot,
51 *	int flags, int fd, off_t off)
52 */
53
54	ANSI_PRAGMA_WEAK2(_private_mmap,mmap,function)
55
56	ENTRY(mmap)
57#if defined(__sparc)
58	/* this depends upon the _MAP_NEW flag being in the top bits */
59	sethi	%hi(_MAP_NEW), %g1
60	or	%g1, %o3, %o3
61#endif
62	SYSTRAP_RVAL1(mmap)
63	SYSCERROR
64	RET
65	SET_SIZE(mmap)
66
67#else
68
69/*
70 * C library -- mmap64
71 * caddr_t mmap64(caddr_t addr, size_t len, int prot,
72 *	int flags, int fd, off64_t off)
73 */
74
75	ENTRY(mmap64)
76#if defined(__sparc)
77	/* this depends upon the _MAP_NEW flag being in the top bits */
78	sethi	%hi(_MAP_NEW), %g1
79	or	%g1, %o3, %o3
80#endif
81	SYSTRAP_RVAL1(mmap64)
82	SYSCERROR
83	RET
84	SET_SIZE(mmap64)
85
86#endif
87