/* $NetBSD: __sigtramp2.S,v 1.3 2009/12/14 01:07:42 matt Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * 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" #include "assym.h" #if defined(SYSLIBC_SCCS) && !defined(lint) RCSID("$NetBSD: __sigtramp2.S,v 1.3 2009/12/14 01:07:42 matt Exp $") #endif /* SYSLIBC_SCCS and not lint */ /* * The MIPS signal trampoline is invoked only to return from * the signal; the kernel calls the signal handler directly. * * On entry, stack looks like: * * sp -> siginfo_t structure * sp + SIGINFO_SIZE -> ucontext_t structure */ LEAF_NOPROFILE(__sigtramp_siginfo_2) PTR_ADDU a0, sp, SIGINFO_SIZE /* address of ucontext */ SYSTRAP(setcontext) /* and do setcontext */ move a0, v0 /* exit with errno */ SYSTRAP(exit) /* if sigreturn fails */ END(__sigtramp_siginfo_2) |