setlogin.S revision 71579
11849Swollman/*-
21849Swollman * Copyright (c) 1991 The Regents of the University of California.
31849Swollman * All rights reserved.
41849Swollman *
51849Swollman * This code is derived from software contributed to Berkeley by
61849Swollman * William Jolitz.
71849Swollman *
81849Swollman * Redistribution and use in source and binary forms, with or without
91849Swollman * modification, are permitted provided that the following conditions
101849Swollman * are met:
111849Swollman * 1. Redistributions of source code must retain the above copyright
121849Swollman *    notice, this list of conditions and the following disclaimer.
131849Swollman * 2. Redistributions in binary form must reproduce the above copyright
141849Swollman *    notice, this list of conditions and the following disclaimer in the
151849Swollman *    documentation and/or other materials provided with the distribution.
161849Swollman * 3. All advertising materials mentioning features or use of this software
171849Swollman *    must display the following acknowledgement:
181849Swollman *	This product includes software developed by the University of
191849Swollman *	California, Berkeley and its contributors.
201849Swollman * 4. Neither the name of the University nor the names of its contributors
211849Swollman *    may be used to endorse or promote products derived from this software
221849Swollman *    without specific prior written permission.
231849Swollman *
241849Swollman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
251849Swollman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
261849Swollman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
271849Swollman * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
281849Swollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
291849Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
301849Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
311849Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
321849Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
331849Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
341849Swollman * SUCH DAMAGE.
351849Swollman *
3650476Speter * $FreeBSD: head/lib/libc/amd64/sys/setlogin.S 71579 2001-01-24 13:01:12Z deischen $
371849Swollman */
381849Swollman
395790Sdg#if defined(LIBC_RCS) && !defined(lint)
405790Sdg	.text
4150476Speter	.asciz "$FreeBSD: head/lib/libc/amd64/sys/setlogin.S 71579 2001-01-24 13:01:12Z deischen $"
425790Sdg#endif /* LIBC_RCS and not lint */
431849Swollman
441849Swollman#include "SYS.h"
451849Swollman
4671579Sdeischen.globl	CNAME(_logname_valid)		/* in _getlogin() */
471849Swollman
481849SwollmanSYSCALL(setlogin)
491849Swollman#ifdef PIC
501849Swollman	PIC_PROLOGUE
511849Swollman	pushl	%eax
5215634Speter	movl	PIC_GOT(CNAME(_logname_valid)),%eax
531849Swollman	movl	$0,(%eax)
541849Swollman	popl	%eax
551849Swollman	PIC_EPILOGUE
561849Swollman#else
5715634Speter	movl	$0,CNAME(_logname_valid)
581849Swollman#endif
591849Swollman	ret				/* setlogin(name) */
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