1*fe38b55cSguenther/* $OpenBSD: syscall.S,v 1.11 2016/05/07 19:05:21 guenther Exp $ */ 2df930be7Sderaadt/*- 3df930be7Sderaadt * Copyright (c) 1990 The Regents of the University of California. 4df930be7Sderaadt * All rights reserved. 5df930be7Sderaadt * 6df930be7Sderaadt * This code is derived from software contributed to Berkeley by 7df930be7Sderaadt * William Jolitz. 8df930be7Sderaadt * 9df930be7Sderaadt * Redistribution and use in source and binary forms, with or without 10df930be7Sderaadt * modification, are permitted provided that the following conditions 11df930be7Sderaadt * are met: 12df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright 13df930be7Sderaadt * notice, this list of conditions and the following disclaimer. 14df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright 15df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the 16df930be7Sderaadt * documentation and/or other materials provided with the distribution. 176580fee3Smillert * 3. Neither the name of the University nor the names of its contributors 18df930be7Sderaadt * may be used to endorse or promote products derived from this software 19df930be7Sderaadt * without specific prior written permission. 20df930be7Sderaadt * 21df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31df930be7Sderaadt * SUCH DAMAGE. 32df930be7Sderaadt */ 33df930be7Sderaadt 34df930be7Sderaadt#include "SYS.h" 35df930be7Sderaadt 3692efb735SdSYSENTRY(syscall) 37df930be7Sderaadt pop %ecx /* rta */ 38df930be7Sderaadt pop %eax /* syscall number */ 39df930be7Sderaadt push %ecx 40df930be7Sderaadt int $0x80 416badf6f4Shshoexer push %ecx /* Keep stack frame consistent */ 42*fe38b55cSguenther HANDLE_ERRNO() 43df930be7Sderaadt ret 44aa797096SguentherSYSCALL_END(syscall) 45