setlogin.S revision 71579
1230557Sjimharris/*-
2230557Sjimharris * Copyright (c) 1991 The Regents of the University of California.
3230557Sjimharris * All rights reserved.
4230557Sjimharris *
5230557Sjimharris * This code is derived from software contributed to Berkeley by
6230557Sjimharris * William Jolitz.
7230557Sjimharris *
8230557Sjimharris * Redistribution and use in source and binary forms, with or without
9230557Sjimharris * modification, are permitted provided that the following conditions
10230557Sjimharris * are met:
11230557Sjimharris * 1. Redistributions of source code must retain the above copyright
12230557Sjimharris *    notice, this list of conditions and the following disclaimer.
13230557Sjimharris * 2. Redistributions in binary form must reproduce the above copyright
14230557Sjimharris *    notice, this list of conditions and the following disclaimer in the
15230557Sjimharris *    documentation and/or other materials provided with the distribution.
16230557Sjimharris * 3. All advertising materials mentioning features or use of this software
17230557Sjimharris *    must display the following acknowledgement:
18230557Sjimharris *	This product includes software developed by the University of
19230557Sjimharris *	California, Berkeley and its contributors.
20230557Sjimharris * 4. Neither the name of the University nor the names of its contributors
21230557Sjimharris *    may be used to endorse or promote products derived from this software
22230557Sjimharris *    without specific prior written permission.
23230557Sjimharris *
24230557Sjimharris * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25230557Sjimharris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26230557Sjimharris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27230557Sjimharris * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28230557Sjimharris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29230557Sjimharris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30230557Sjimharris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31230557Sjimharris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32230557Sjimharris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33230557Sjimharris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34230557Sjimharris * SUCH DAMAGE.
35230557Sjimharris *
36230557Sjimharris * $FreeBSD: head/lib/libc/amd64/sys/setlogin.S 71579 2001-01-24 13:01:12Z deischen $
37230557Sjimharris */
38230557Sjimharris
39230557Sjimharris#if defined(LIBC_RCS) && !defined(lint)
40230557Sjimharris	.text
41230557Sjimharris	.asciz "$FreeBSD: head/lib/libc/amd64/sys/setlogin.S 71579 2001-01-24 13:01:12Z deischen $"
42230557Sjimharris#endif /* LIBC_RCS and not lint */
43230557Sjimharris
44230557Sjimharris#include "SYS.h"
45230557Sjimharris
46230557Sjimharris.globl	CNAME(_logname_valid)		/* in _getlogin() */
47230557Sjimharris
48230557SjimharrisSYSCALL(setlogin)
49230557Sjimharris#ifdef PIC
50230557Sjimharris	PIC_PROLOGUE
51230557Sjimharris	pushl	%eax
52230557Sjimharris	movl	PIC_GOT(CNAME(_logname_valid)),%eax
53230557Sjimharris	movl	$0,(%eax)
54230557Sjimharris	popl	%eax
55230557Sjimharris	PIC_EPILOGUE
56230557Sjimharris#else
57230557Sjimharris	movl	$0,CNAME(_logname_valid)
58230557Sjimharris#endif
59230557Sjimharris	ret				/* setlogin(name) */
60230557Sjimharris