1 /* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Ralph Campbell. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * from: @(#)signal.h 8.1 (Berkeley) 6/10/93 37 * $Id: signal.h,v 1.3 1994/05/27 09:02:22 glass Exp $ 38 */ 39 40 /* 41 * Machine-dependent signal definitions 42 */ 43 44 typedef int sig_atomic_t; 45 46 /* 47 * Information pushed on stack when a signal is delivered. 48 * This is used by the kernel to restore state following 49 * execution of the signal handler. It is also made available 50 * to the handler to allow it to restore state properly if 51 * a non-standard exit is performed. 52 */ 53 struct sigcontext { 54 int sc_onstack; /* sigstack state to restore */ 55 int sc_mask; /* signal mask to restore */ 56 int sc_pc; /* pc at time of signal */ 57 int sc_regs[34]; /* processor regs 0 to 31, mullo, mullhi */ 58 int sc_fpused; /* fp has been used */ 59 int sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 60 int sc_fpc_eir; /* floating point exception instruction reg */ 61 }; 62