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/ unsigned long htonl( hl ) 34/ unsigned long ntohl( hl ) 35/ long hl; 36/ reverses the byte order of 'long hl' 37/ 38 ENTRY(htonl) 39 ENTRY(ntohl) 40 movl 4(%esp), %eax / %eax = hl 41 bswap %eax / reverses the byte order of %eax 42 ret / return (%eax) 43 SET_SIZE(htonl) 44 SET_SIZE(ntohl) 45 46/ unsigned short htons( hs ) 47/ short hs; 48/ 49/ reverses the byte order in hs. 50/ 51 ENTRY(htons) 52 ENTRY(ntohs) 53 movl 4(%esp), %eax / %eax = hs 54 bswap %eax / reverses the byte order of %eax 55 shrl $16, %eax / moves high 16-bit to low 16-bit 56 ret / return (%eax) 57 SET_SIZE(htons) 58 SET_SIZE(ntohs) 59