/* $NetBSD: __sigtramp2.S,v 1.4 2013/07/16 22:19:16 matt Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "SYS.h" /* * The m68k signal trampoline is invoked only to return from * the signal; the kernel calls the signal handler directly. * * On entry, stack looks like: * * ucontext structure [12+sizeof(siginfo_t)] * siginfo structure [12] * pointer to ucontext structure [8] * pointer to siginfo structure [4] * sp-> signal number [0] */ ENTRY_NOPROFILE(__sigtramp_siginfo_2) movl 8(%sp),%a0 /* get pointer to ucontext */ movl %a0,4(%sp) /* put it in the argument slot */ /* fake return address already there */ SYSTRAP(setcontext) movl %d0,4(%sp) /* error code */ SYSTRAP(exit) /* exit */ END(__sigtramp_siginfo_2) |