1*f45a8c29Smatt/* $NetBSD: compat___sigtramp1.S,v 1.4 2009/12/14 03:04:33 matt Exp $ */ 2f80595caStsutsui 3f80595caStsutsui/*- 4f80595caStsutsui * Copyright (c) 2002 The NetBSD Foundation, Inc. 5f80595caStsutsui * All rights reserved. 6f80595caStsutsui * 7f80595caStsutsui * This code is derived from software contributed to The NetBSD Foundation 8f80595caStsutsui * by Jason R. Thorpe. 9f80595caStsutsui * 10f80595caStsutsui * Redistribution and use in source and binary forms, with or without 11f80595caStsutsui * modification, are permitted provided that the following conditions 12f80595caStsutsui * are met: 13f80595caStsutsui * 1. Redistributions of source code must retain the above copyright 14f80595caStsutsui * notice, this list of conditions and the following disclaimer. 15f80595caStsutsui * 2. Redistributions in binary form must reproduce the above copyright 16f80595caStsutsui * notice, this list of conditions and the following disclaimer in the 17f80595caStsutsui * documentation and/or other materials provided with the distribution. 18f80595caStsutsui * 19f80595caStsutsui * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20f80595caStsutsui * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21f80595caStsutsui * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22f80595caStsutsui * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23f80595caStsutsui * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24f80595caStsutsui * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25f80595caStsutsui * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26f80595caStsutsui * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27f80595caStsutsui * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28f80595caStsutsui * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29f80595caStsutsui * POSSIBILITY OF SUCH DAMAGE. 30f80595caStsutsui */ 31f80595caStsutsui 32f80595caStsutsui#include "SYS.h" 33f80595caStsutsui 3422882071Smatt#if defined(LIBC_SCCS) && !defined(lint) 35*f45a8c29Smatt RCSID("$NetBSD: compat___sigtramp1.S,v 1.4 2009/12/14 03:04:33 matt Exp $") 3622882071Smatt#endif /* LIBC_SCCS and not lint */ 3722882071Smatt 38f80595caStsutsui/* 39f80595caStsutsui * The MIPS signal trampoline is invoked only to return from 40f80595caStsutsui * the signal; the kernel calls the signal handler directly. 41f80595caStsutsui * 42f80595caStsutsui * On entry, stack looks like: 43f80595caStsutsui * 44f80595caStsutsui * sp-> sigcontext structure 45f80595caStsutsui */ 46f80595caStsutsuiLEAF_NOPROFILE(__sigtramp_sigcontext_1) 47f80595caStsutsui move a0, sp /* address of sigcontext */ 48f80595caStsutsui SYSTRAP(compat_16___sigreturn14) /* and do sigreturn */ 49f80595caStsutsui move a0, v0 /* exit with errno */ 50f80595caStsutsui SYSTRAP(exit) /* if sigreturn fails */ 51f80595caStsutsuiEND(__sigtramp_sigcontext_1) 52