signal.h revision 1.19
1/* $NetBSD: signal.h,v 1.19 2004/07/28 11:39:37 is Exp $ */ 2 3/* 4 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)signal.h 7.16 (Berkeley) 3/17/91 32 */ 33 34#ifndef _M68K_SIGNAL_H_ 35#define _M68K_SIGNAL_H_ 36 37#include <sys/featuretest.h> 38 39typedef int sig_atomic_t; 40 41#if defined(_NETBSD_SOURCE) 42 43#ifdef _KERNEL 44#ifdef COMPAT_16 45#define SIGTRAMP_VALID(vers) ((unsigned)(vers) <= 2) 46#else 47#define SIGTRAMP_VALID(vers) ((vers) == 2) 48#endif 49#endif 50 51/* 52 * Get the "code" values 53 */ 54#include <machine/trap.h> 55 56/* 57 * Information pushed on stack when a signal is delivered. 58 * This is used by the kernel to restore state following 59 * execution of the signal handler. It is also made available 60 * to the handler to allow it to restore state properly if 61 * a non-standard exit is performed. 62 */ 63#if defined(__LIBC12_SOURCE__) || defined(_KERNEL) 64struct sigcontext13 { 65 int sc_onstack; /* sigstack state to restore */ 66 int sc_mask; /* signal mask to restore (old style) */ 67 int sc_sp; /* sp to restore */ 68 int sc_fp; /* fp to restore */ 69 int sc_ap; /* ap to restore */ 70 int sc_pc; /* pc to restore */ 71 int sc_ps; /* psl to restore */ 72}; 73#endif /* __LIBC12_SOURCE__ || _KERNEL */ 74 75struct sigcontext { 76 int sc_onstack; /* sigstack state to restore */ 77 int __sc_mask13; /* signal mask to restore (old style) */ 78 int sc_sp; /* sp to restore */ 79 int sc_fp; /* fp to restore */ 80 int sc_ap; /* ap to restore */ 81 int sc_pc; /* pc to restore */ 82 int sc_ps; /* psl to restore */ 83 sigset_t sc_mask; /* signal mask to restore (new style) */ 84}; 85 86#if defined(__M68K_SIGNAL_PRIVATE) 87 88#include <m68k/cpuframe.h> 89 90/* 91 * Register state saved while kernel delivers a signal. 92 */ 93struct sigstate { 94 int ss_flags; /* which of the following are valid */ 95 struct frame ss_frame; /* original exception frame */ 96 struct fpframe ss_fpstate; /* 68881/68882 state info */ 97}; 98 99#define SS_RTEFRAME 0x01 100#define SS_FPSTATE 0x02 101#define SS_USERREGS 0x04 102 103 104#ifdef _KERNEL 105#define _SIGSTATE_EXFRAMESIZE(fmt) exframesize[(fmt)] 106#endif 107 108#endif /* __M68K_SIGNAL_PRIVATE */ 109 110#endif /* _NETBSD_SOURCE */ 111#endif /* !_M68K_SIGNAL_H_ */ 112