1/* $NetBSD: __sigtramp2.S,v 1.2 2003/10/27 02:33:06 christos 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#include <machine/asm.h> 40#if defined(SYSLIBC_SCCS) && !defined(lint) 41 RCSID("$NetBSD: __sigtramp2.S,v 1.2 2003/10/27 02:33:06 christos Exp $") 42#endif /* SYSLIBC_SCCS and not lint */ 43 44#include "SYS.h" 45 46#define _LOCORE 47#include <sparc/frame.h> /* BIAS, CC64FSZ */ 48 49/* 50 * When this code is run, the stack looks like: 51 * [%sp + BIAS] struct frame 52 * [%sp + BIAS + CC64FSZ] siginfo_t 53 * [%sp + BIAS + CC64FSZ + 128] ucontext_t 54 * . 55 * . 56 */ 57ENTRY_NOPROFILE(__sigtramp_siginfo_2) 58 add %sp, BIAS + CC64FSZ + 128, %o0 /* get pointer to ucontext */ 59 mov SYS_setcontext, %g1 60 t ST_SYSCALL /* call setcontext */ 61 mov SYS_exit, %g1 /* exit with errno */ 62 t ST_SYSCALL /* if sigreturn fails */ 63