/*- * Copyright (c) 1991 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * 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. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)setlogin.s 5.2 (Berkeley) 4/12/91 * $FreeBSD: src/lib/libc/amd64/sys/setlogin.S,v 1.14 2008/11/02 01:10:54 peter Exp $ */ #include #include "SYS.h" .globl CNAME(_logname_valid) /* in _getlogin() */ .weak _setlogin .set _setlogin,__sys_setlogin .weak setlogin .set setlogin,__sys_setlogin ENTRY(__sys_setlogin) mov $SYS_setlogin,%rax KERNCALL jb 1f #ifdef PIC movq PIC_GOT(CNAME(_logname_valid)),%rdx movl $0,(%rdx) #else movl $0,CNAME(_logname_valid)(%rip) #endif ret /* setlogin(name) */ 1: #ifdef PIC movq PIC_GOT(HIDENAME(cerror)),%rdx jmp *%rdx #else jmp HIDENAME(cerror) #endif END(__sys_setlogin)