1 /* $NetBSD: signal.h,v 1.25 2009/01/27 20:30:12 martin 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 39 typedef int sig_atomic_t; 40 41 #if defined(_NETBSD_SOURCE) 42 43 /* 44 * Get the "code" values 45 */ 46 #include <machine/trap.h> 47 48 /* 49 * Information pushed on stack when a signal is delivered. 50 * This is used by the kernel to restore state following 51 * execution of the signal handler. It is also made available 52 * to the handler to allow it to restore state properly if 53 * a non-standard exit is performed. 54 */ 55 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL) 56 struct sigcontext13 { 57 int sc_onstack; /* sigstack state to restore */ 58 int sc_mask; /* signal mask to restore (old style) */ 59 int sc_sp; /* sp to restore */ 60 int sc_fp; /* fp to restore */ 61 int sc_ap; /* ap to restore */ 62 int sc_pc; /* pc to restore */ 63 int sc_ps; /* psl to restore */ 64 }; 65 #endif /* __LIBC12_SOURCE__ || _KERNEL */ 66 67 #if defined(_LIBC) || defined(_KERNEL) 68 struct sigcontext { 69 int sc_onstack; /* sigstack state to restore */ 70 int __sc_mask13; /* signal mask to restore (old style) */ 71 int sc_sp; /* sp to restore */ 72 int sc_fp; /* fp to restore */ 73 int sc_ap; /* ap to restore */ 74 int sc_pc; /* pc to restore */ 75 int sc_ps; /* psl to restore */ 76 sigset_t sc_mask; /* signal mask to restore (new style) */ 77 }; 78 #endif /* _LIBC || _KERNEL */ 79 80 #ifdef _KERNEL 81 #include <m68k/cpuframe.h> 82 83 /* 84 * Register state saved while kernel delivers a signal. 85 */ 86 struct sigstate { 87 int ss_flags; /* which of the following are valid */ 88 struct frame ss_frame; /* original exception frame */ 89 struct fpframe ss_fpstate; /* 68881/68882 state info */ 90 }; 91 92 #define SS_RTEFRAME 0x01 93 #define SS_FPSTATE 0x02 94 #define SS_USERREGS 0x04 95 96 u_int fpsr2siginfocode(u_int fpsr); 97 98 #endif 99 100 #if defined(__M68K_SIGNAL_PRIVATE) 101 102 #ifdef _KERNEL 103 #define _SIGSTATE_EXFRAMESIZE(fmt) exframesize[(fmt)] 104 #endif 105 106 #endif /* __M68K_SIGNAL_PRIVATE */ 107 108 #endif /* _NETBSD_SOURCE */ 109 #endif /* !_M68K_SIGNAL_H_ */ 110