1/* $NetBSD: __sigtramp2.S,v 1.3 2008/04/28 20:22:57 martin Exp $ */ 2 3/*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Paul Kranenburg. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <machine/asm.h> 33#if defined(SYSLIBC_SCCS) && !defined(lint) 34 RCSID("$NetBSD: __sigtramp2.S,v 1.3 2008/04/28 20:22:57 martin Exp $") 35#endif /* SYSLIBC_SCCS and not lint */ 36 37#include "SYS.h" 38 39#define _LOCORE 40#include <sparc/frame.h> /* BIAS, CC64FSZ */ 41 42/* 43 * When this code is run, the stack looks like: 44 * [%sp + BIAS] struct frame 45 * [%sp + BIAS + CC64FSZ] siginfo_t 46 * [%sp + BIAS + CC64FSZ + 128] ucontext_t 47 * . 48 * . 49 */ 50ENTRY_NOPROFILE(__sigtramp_siginfo_2) 51 add %sp, BIAS + CC64FSZ + 128, %o0 /* get pointer to ucontext */ 52 mov SYS_setcontext, %g1 53 t ST_SYSCALL /* call setcontext */ 54 mov SYS_exit, %g1 /* exit with errno */ 55 t ST_SYSCALL /* if sigreturn fails */ 56