xref: /minix3/common/lib/libc/arch/i386/gen/byte_swap_4.S (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc/*	$NetBSD: byte_swap_4.S,v 1.4 2014/05/23 03:17:31 uebayasi Exp $	*/
2b6cbf720SGianluca Guida
3b6cbf720SGianluca Guida/*-
4b6cbf720SGianluca Guida * Copyright (c) 1990 The Regents of the University of California.
5b6cbf720SGianluca Guida * All rights reserved.
6b6cbf720SGianluca Guida *
7b6cbf720SGianluca Guida * This code is derived from software contributed to Berkeley by
8b6cbf720SGianluca Guida * William Jolitz.
9b6cbf720SGianluca Guida *
10b6cbf720SGianluca Guida * Redistribution and use in source and binary forms, with or without
11b6cbf720SGianluca Guida * modification, are permitted provided that the following conditions
12b6cbf720SGianluca Guida * are met:
13b6cbf720SGianluca Guida * 1. Redistributions of source code must retain the above copyright
14b6cbf720SGianluca Guida *    notice, this list of conditions and the following disclaimer.
15b6cbf720SGianluca Guida * 2. Redistributions in binary form must reproduce the above copyright
16b6cbf720SGianluca Guida *    notice, this list of conditions and the following disclaimer in the
17b6cbf720SGianluca Guida *    documentation and/or other materials provided with the distribution.
18b6cbf720SGianluca Guida * 3. Neither the name of the University nor the names of its contributors
19b6cbf720SGianluca Guida *    may be used to endorse or promote products derived from this software
20b6cbf720SGianluca Guida *    without specific prior written permission.
21b6cbf720SGianluca Guida *
22b6cbf720SGianluca Guida * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23b6cbf720SGianluca Guida * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24b6cbf720SGianluca Guida * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25b6cbf720SGianluca Guida * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26b6cbf720SGianluca Guida * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27b6cbf720SGianluca Guida * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28b6cbf720SGianluca Guida * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29b6cbf720SGianluca Guida * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30b6cbf720SGianluca Guida * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31b6cbf720SGianluca Guida * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32b6cbf720SGianluca Guida * SUCH DAMAGE.
33b6cbf720SGianluca Guida *
34b6cbf720SGianluca Guida *	from: @(#)htonl.s	5.3 (Berkeley) 12/17/90
35b6cbf720SGianluca Guida */
36b6cbf720SGianluca Guida
37b6cbf720SGianluca Guida#include <machine/asm.h>
38b6cbf720SGianluca Guida#if defined(LIBC_SCCS)
39*0a6a1f1dSLionel Sambuc	RCSID("$NetBSD: byte_swap_4.S,v 1.4 2014/05/23 03:17:31 uebayasi Exp $")
40b6cbf720SGianluca Guida#endif
41b6cbf720SGianluca Guida
42b6cbf720SGianluca Guida#if defined(_KERNEL) || defined(_STANDALONE)
43b6cbf720SGianluca Guida_ENTRY(_C_LABEL(bswap32))
44b6cbf720SGianluca Guida#else /* defined(_KERNEL) || defined(_STANDALONE) */
45b6cbf720SGianluca Guida_ENTRY(_C_LABEL(__bswap32))
46b6cbf720SGianluca Guida#endif /* defined(_KERNEL) || defined(_STANDALONE) */
47b6cbf720SGianluca Guida_ENTRY(_C_LABEL(ntohl))
48b6cbf720SGianluca Guida_ENTRY(_C_LABEL(htonl))
49b6cbf720SGianluca Guida_PROF_PROLOGUE
50b6cbf720SGianluca Guida	movl	4(%esp),%eax
51b6cbf720SGianluca Guida	bswap	%eax
52b6cbf720SGianluca Guida	ret
53*0a6a1f1dSLionel Sambuc#if defined(_KERNEL) || defined(_STANDALONE)
54*0a6a1f1dSLionel SambucEND(_C_LABEL(bswap32))
55*0a6a1f1dSLionel Sambuc#else /* defined(_KERNEL) || defined(_STANDALONE) */
56*0a6a1f1dSLionel SambucEND(_C_LABEL(__bswap32))
57*0a6a1f1dSLionel Sambuc#endif /* defined(_KERNEL) || defined(_STANDALONE) */
58*0a6a1f1dSLionel SambucEND(_C_LABEL(ntohl))
59*0a6a1f1dSLionel SambucEND(_C_LABEL(htonl))
60