1*2cf5e996Smatt/* $NetBSD: compat___sigtramp1.S,v 1.3 2013/08/19 22:11:50 matt Exp $ */ 2b638db2cSchristos 3b638db2cSchristos/*- 4b638db2cSchristos * Copyright (c) 2002 The NetBSD Foundation, Inc. 5b638db2cSchristos * All rights reserved. 6b638db2cSchristos * 7b638db2cSchristos * This code is derived from software contributed to The NetBSD Foundation 8b638db2cSchristos * by Jason R. Thorpe. 9b638db2cSchristos * 10b638db2cSchristos * Redistribution and use in source and binary forms, with or without 11b638db2cSchristos * modification, are permitted provided that the following conditions 12b638db2cSchristos * are met: 13b638db2cSchristos * 1. Redistributions of source code must retain the above copyright 14b638db2cSchristos * notice, this list of conditions and the following disclaimer. 15b638db2cSchristos * 2. Redistributions in binary form must reproduce the above copyright 16b638db2cSchristos * notice, this list of conditions and the following disclaimer in the 17b638db2cSchristos * documentation and/or other materials provided with the distribution. 18b638db2cSchristos * 19b638db2cSchristos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20b638db2cSchristos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21b638db2cSchristos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22b638db2cSchristos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23b638db2cSchristos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24b638db2cSchristos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25b638db2cSchristos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26b638db2cSchristos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27b638db2cSchristos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28b638db2cSchristos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29b638db2cSchristos * POSSIBILITY OF SUCH DAMAGE. 30b638db2cSchristos */ 31b638db2cSchristos 32b638db2cSchristos#include "SYS.h" 33b638db2cSchristos 34b638db2cSchristos/* 35b638db2cSchristos * The ARM signal trampoline is invoked only to return from 36b638db2cSchristos * the signal; the kernel calls the signal handler directly. 37b638db2cSchristos * 38b638db2cSchristos * On entry, the stack looks like: 39b638db2cSchristos * 40b638db2cSchristos * sp-> sigcontext structure 41b638db2cSchristos */ 42*2cf5e996SmattENTRY(__sigtramp_sigcontext_1) 43b638db2cSchristos mov r0, sp /* get pointer to sigcontext */ 44b638db2cSchristos SYSTRAP(compat_16___sigreturn14) /* and call sigreturn */ 45b638db2cSchristos 46b638db2cSchristos /* If that failed, exit with the error code. */ 47b638db2cSchristos SYSTRAP(exit) 48*2cf5e996SmattEND(__sigtramp_sigcontext_1) 49