1*27620987Smatt/* $NetBSD: __sigtramp2.S,v 1.1 2014/09/03 19:34:26 matt Exp $ */ 2*27620987Smatt 3*27620987Smatt/*- 4*27620987Smatt * Copyright (c) 2002 The NetBSD Foundation, Inc. 5*27620987Smatt * All rights reserved. 6*27620987Smatt * 7*27620987Smatt * This code is derived from software contributed to The NetBSD Foundation 8*27620987Smatt * by Jason R. Thorpe. 9*27620987Smatt * 10*27620987Smatt * Redistribution and use in source and binary forms, with or without 11*27620987Smatt * modification, are permitted provided that the following conditions 12*27620987Smatt * are met: 13*27620987Smatt * 1. Redistributions of source code must retain the above copyright 14*27620987Smatt * notice, this list of conditions and the following disclaimer. 15*27620987Smatt * 2. Redistributions in binary form must reproduce the above copyright 16*27620987Smatt * notice, this list of conditions and the following disclaimer in the 17*27620987Smatt * documentation and/or other materials provided with the distribution. 18*27620987Smatt * 19*27620987Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*27620987Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*27620987Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*27620987Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*27620987Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*27620987Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*27620987Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*27620987Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*27620987Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*27620987Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*27620987Smatt * POSSIBILITY OF SUCH DAMAGE. 30*27620987Smatt */ 31*27620987Smatt 32*27620987Smatt#include "SYS.h" 33*27620987Smatt 34*27620987Smatt#if defined(LIBC_SCCS) && !defined(lint) 35*27620987Smatt__RCSID("$NetBSD: __sigtramp2.S,v 1.1 2014/09/03 19:34:26 matt Exp $") 36*27620987Smatt#endif /* LIBC_SCCS && !lint */ 37*27620987Smatt 38*27620987Smatt/* 39*27620987Smatt * On entry to user space, stack and registers look like: 40*27620987Smatt * 41*27620987Smatt * r3 signal number 42*27620987Smatt * r4 pointer to siginfo structure 43*27620987Smatt * r5 pointer to ucontext structure 44*27620987Smatt * r14 pointer to ucontext structure 45*27620987Smatt * lr address of this trampoline 46*27620987Smatt * 47*27620987Smatt */ 48*27620987SmattENTRY(__sigtramp_siginfo_2) 49*27620987Smatt l.ori r3,r14,0 /* restore ucontext pointer */ 50*27620987Smatt _DOSYSCALL(setcontext) /* restore machine state */ 51*27620987Smatt _DOSYSCALL(exit) /* or exit with errno if failed */ 52*27620987SmattEND(__sigtramp_siginfo_2) 53