setlogin.S revision 256281
1/*- 2 * Copyright (c) 2002 Peter Grehan. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26/* $NetBSD: setlogin.S,v 1.3 1998/11/24 11:14:57 tsubai Exp $ */ 27 28#include <machine/asm.h> 29__FBSDID("$FreeBSD: stable/10/lib/libc/powerpc/sys/setlogin.S 217398 2011-01-14 11:33:40Z kib $"); 30 31#include "SYS.h" 32 33 .globl CNAME(_logname_valid) /* in _getlogin() */ 34 35SYSCALL(setlogin) 36#ifdef PIC 37 mflr %r10 38 bl _GLOBAL_OFFSET_TABLE_@local-4 39 mflr %r4 40 lwz %r4,CNAME(_logname_valid)@got(%r4) 41 li %r5,%r0 42 stw %r5,0(%r4) 43 mtlr %r10 44#else 45 lis %r4,CNAME(_logname_valid)@ha 46 li %r5,0 47 stw %r5,CNAME(_logname_valid)@l(%r4) 48#endif 49 blr 50 51 .section .note.GNU-stack,"",%progbits 52