1*c03461ecSmortimer/* $OpenBSD: Ovfork.S,v 1.4 2018/08/12 17:15:10 mortimer Exp $ */ 2c7933ddeSpatrick/* $NetBSD: Ovfork.S,v 1.6 2003/08/07 16:42:03 agc Exp $ */ 3c7933ddeSpatrick 4c7933ddeSpatrick/*- 5c7933ddeSpatrick * Copyright (c) 1990 The Regents of the University of California. 6c7933ddeSpatrick * All rights reserved. 7c7933ddeSpatrick * 8c7933ddeSpatrick * Redistribution and use in source and binary forms, with or without 9c7933ddeSpatrick * modification, are permitted provided that the following conditions 10c7933ddeSpatrick * are met: 11c7933ddeSpatrick * 1. Redistributions of source code must retain the above copyright 12c7933ddeSpatrick * notice, this list of conditions and the following disclaimer. 13c7933ddeSpatrick * 2. Redistributions in binary form must reproduce the above copyright 14c7933ddeSpatrick * notice, this list of conditions and the following disclaimer in the 15c7933ddeSpatrick * documentation and/or other materials provided with the distribution. 16c7933ddeSpatrick * 3. Neither the name of the University nor the names of its contributors 17c7933ddeSpatrick * may be used to endorse or promote products derived from this software 18c7933ddeSpatrick * without specific prior written permission. 19c7933ddeSpatrick * 20c7933ddeSpatrick * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21c7933ddeSpatrick * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22c7933ddeSpatrick * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23c7933ddeSpatrick * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24c7933ddeSpatrick * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25c7933ddeSpatrick * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26c7933ddeSpatrick * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27c7933ddeSpatrick * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28c7933ddeSpatrick * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29c7933ddeSpatrick * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30c7933ddeSpatrick * SUCH DAMAGE. 31c7933ddeSpatrick * 32c7933ddeSpatrick * from: @(#)Ovfork.s 5.1 (Berkeley) 4/23/90 33c7933ddeSpatrick */ 34c7933ddeSpatrick 35c7933ddeSpatrick#include "SYS.h" 36c7933ddeSpatrick 37c7933ddeSpatrickSYSENTRY_HIDDEN(vfork) 38*c03461ecSmortimer RETGUARD_SETUP(vfork, x15) 39c7933ddeSpatrick mov x2, x30 40c7933ddeSpatrick SYSTRAP(vfork) 41c7933ddeSpatrick bcs CERROR 42c7933ddeSpatrick mov x30, x2 43*c03461ecSmortimer RETGUARD_CHECK(vfork, x15) 44c7933ddeSpatrick ret 45c7933ddeSpatrickSYSCALL_END_HIDDEN(vfork) 46