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      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 (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 
     22 /*
     23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 /*	Copyright (c) 1988 AT&T	*/
     28 /*	All Rights Reserved	*/
     29 
     30 	.file	"mmap.s"
     31 
     32 #include <sys/asm_linkage.h>
     33 
     34 #if !defined(_LARGEFILE_SOURCE)
     35 	ANSI_PRAGMA_WEAK(mmap,function)
     36 #else
     37 	ANSI_PRAGMA_WEAK(mmap64,function)
     38 #endif
     39 
     40 #include "SYS.h"
     41 #include <sys/mman.h>		/* Need _MAP_NEW definition     */
     42 
     43 #if !defined(_LARGEFILE_SOURCE)
     44 
     45 /*
     46  * C library -- mmap
     47  * caddr_t mmap(caddr_t addr, size_t len, int prot,
     48  *	int flags, int fd, off_t off)
     49  */
     50 
     51 	ENTRY(mmap)
     52 #if defined(__sparc)
     53 	/* this depends upon the _MAP_NEW flag being in the top bits */
     54 	sethi	%hi(_MAP_NEW), %g1
     55 	or	%g1, %o3, %o3
     56 #endif
     57 	SYSTRAP_RVAL1(mmap)
     58 	SYSCERROR
     59 	RET
     60 	SET_SIZE(mmap)
     61 
     62 #else
     63 
     64 /*
     65  * C library -- mmap64
     66  * caddr_t mmap64(caddr_t addr, size_t len, int prot,
     67  *	int flags, int fd, off64_t off)
     68  */
     69 
     70 	ENTRY(mmap64)
     71 #if defined(__sparc)
     72 	/* this depends upon the _MAP_NEW flag being in the top bits */
     73 	sethi	%hi(_MAP_NEW), %g1
     74 	or	%g1, %o3, %o3
     75 #endif
     76 	SYSTRAP_RVAL1(mmap64)
     77 	SYSCERROR
     78 	RET
     79 	SET_SIZE(mmap64)
     80 
     81 #endif
     82