freebsd-dev/lib/libc/powerpc/sys/setlogin.S

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/*-
* Copyright (c) 2002 Peter Grehan.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $NetBSD: setlogin.S,v 1.3 1998/11/24 11:14:57 tsubai Exp $ */
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#include "SYS.h"
.globl CNAME(_logname_valid) /* in _getlogin() */
SYSCALL(setlogin)
#ifdef PIC
mflr %r10
bl _GLOBAL_OFFSET_TABLE_@local-4
mflr %r4
lwz %r4,CNAME(_logname_valid)@got(%r4)
li %r5,%r0
stw %r5,0(%r4)
mtlr %r10
#else
lis %r4,CNAME(_logname_valid)@ha
li %r5,0
stw %r5,CNAME(_logname_valid)@l(%r4)
#endif
blr
.section .note.GNU-stack,"",%progbits