glibc/sysdeps/i386/htons.S

36 lines
1.0 KiB
ArmAsm

/* Change byte order in word. For Intel 80x86, x >= 3.
Copyright (C) 1997-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include "asm-syntax.h"
/*
INPUT PARAMETERS:
word (sp + 4)
*/
.text
ENTRY (htons)
movl 4(%esp), %eax
andl $0xffff, %eax
rorw $8, %ax
ret
END (htons)
weak_alias (htons, ntohs)