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/* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 .ident "%Z%%M% %I% %E% SMI" 28 29 .file "%M%" 30 31#include "SYS.h" 32 33/* 34 * unsigned long htonl( hl ) 35 * unsigned long ntohl( hl ) 36 * long hl; 37 * reverses the byte order of 'uint32_t hl' 38 */ 39 ENTRY(htonl) 40 ALTENTRY(ntohl) 41 movl %edi, %eax /* %eax = hl */ 42 bswap %eax /* reverses the byte order of %eax */ 43 ret /* return (%eax) */ 44 SET_SIZE(htonl) 45 SET_SIZE(ntohl) 46 47/* 48 * unsigned short htons( hs ) 49 * short hs; 50 * 51 * reverses the byte order in hs. 52 */ 53 ENTRY(htons) 54 ALTENTRY(ntohs) 55 movl %edi, %eax /* %eax = hs */ 56 bswap %eax /* reverses the byte order of %eax */ 57 shrl $16, %eax /* moves high 16-bit to low 16-bit */ 58 ret /* return (%eax) */ 59 SET_SIZE(htons) 60 SET_SIZE(ntohs) 61