signal.h revision 1.15
1 /* $NetBSD: signal.h,v 1.15 2003/10/26 08:08:07 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)signal.h 8.1 (Berkeley) 6/11/93 41 */ 42 43 #ifndef _SPARC_SIGNAL_H_ 44 #define _SPARC_SIGNAL_H_ 45 46 #include <sys/featuretest.h> 47 48 #define __HAVE_SIGINFO 49 50 #ifndef _LOCORE 51 typedef int sig_atomic_t; 52 #endif 53 54 #if defined(_NETBSD_SOURCE) 55 #ifndef _LOCORE 56 57 /* 58 * Information pushed on stack when a signal is delivered. 59 * This is used by the kernel to restore state following 60 * execution of the signal handler. It is also made available 61 * to the handler to allow it to restore state properly if 62 * a non-standard exit is performed. 63 * 64 * All machines must have an sc_onstack and sc_mask. 65 */ 66 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL) 67 struct sigcontext13 { 68 int sc_onstack; /* sigstack state to restore */ 69 int sc_mask; /* signal mask to restore (old style) */ 70 /* begin machine dependent portion */ 71 long sc_sp; /* %sp to restore */ 72 long sc_pc; /* pc to restore */ 73 long sc_npc; /* npc to restore */ 74 #ifdef __arch64__ 75 long sc_tstate; /* tstate to restore */ 76 #else 77 long sc_psr; /* psr to restore */ 78 #endif 79 long sc_g1; /* %g1 to restore */ 80 long sc_o0; /* %o0 to restore */ 81 }; 82 #endif /* __LIBC12_SOURCE__ || _KERNEL */ 83 struct sigcontext { 84 int sc_onstack; /* sigstack state to restore */ 85 int __sc_mask13; /* signal mask to restore (old style) */ 86 /* begin machine dependent portion */ 87 long sc_sp; /* %sp to restore */ 88 long sc_pc; /* pc to restore */ 89 long sc_npc; /* npc to restore */ 90 #ifdef __arch64__ 91 long sc_tstate; /* tstate to restore */ 92 #else 93 long sc_psr; /* psr to restore */ 94 #endif 95 long sc_g1; /* %g1 to restore */ 96 long sc_o0; /* %o0 to restore */ 97 sigset_t sc_mask; /* signal mask to restore (new style) */ 98 }; 99 100 #ifdef COMPAT_16 101 #define SIGTRAMP_VALID(vers) ((vers) <= 2) 102 #else 103 #define SIGTRAMP_VALID(vers) ((vers) == 2) 104 #endif 105 106 #ifdef __arch64__ 107 #define _MCONTEXT_TO_SIGCONTEXT_32_64(uc, sc) \ 108 do { \ 109 (sc)->sc_tstate = \ 110 ((uc)->uc_mcontext.__gregs[_REG_CCR] << TSTATE_CCR_SHIFT) | \ 111 ((uc)->uc_mcontext.__gregs[_REG_ASI] << TSTATE_ASI_SHIFT); \ 112 } while (/*CONSTCOND*/0) 113 114 #define _SIGCONTEXT_TO_MCONTEXT_32_64(sc, uc) \ 115 do { \ 116 (uc)->uc_mcontext.__gregs[_REG_CCR] = \ 117 ((sc)->sc_tstate & TSTATE_CCR) >> TSTATE_CCR_SHIFT; \ 118 (uc)->uc_mcontext.__gregs[_REG_ASI] = \ 119 ((sc)->sc_tstate & TSTATE_ASI) >> TSTATE_ASI_SHIFT; \ 120 } while (/*CONSTCOND*/0) 121 #else /* ! __arch64__ */ 122 #define _MCONTEXT_TO_SIGCONTEXT_32_64(uc, sc) \ 123 do { \ 124 (sc)->sc_psr = (uc)->uc_mcontext.__gregs[_REG_PSR]; \ 125 } while (/*CONSTCOND*/0) 126 127 #define _SIGCONTEXT_TO_MCONTEXT_32_64(sc, uc) \ 128 do { \ 129 (uc)->uc_mcontext.__gregs[_REG_PSR] = (sc)->sc_psr; \ 130 } while (/*CONSTCOND*/0) 131 #endif /* __arch64__ */ 132 133 #define _MCONTEXT_TO_SIGCONTEXT(uc, sc) \ 134 do { \ 135 (sc)->sc_sp = (uc)->uc_mcontext.__gregs[_REG_O6]; \ 136 (sc)->sc_pc = (uc)->uc_mcontext.__gregs[_REG_PC]; \ 137 (sc)->sc_npc = (uc)->uc_mcontext.__gregs[_REG_nPC]; \ 138 _MCONTEXT_TO_SIGCONTEXT_32_64((uc), (sc)); \ 139 (sc)->sc_g1 = (uc)->uc_mcontext.__gregs[_REG_G1]; \ 140 (sc)->sc_o0 = (uc)->uc_mcontext.__gregs[_REG_O0]; \ 141 } while (/*CONSTCOND*/0) 142 143 #define _SIGCONTEXT_TO_MCONTEXT(sc, uc) \ 144 do { \ 145 (uc)->uc_mcontext.__gregs[_REG_O6] = (sc)->sc_sp; \ 146 (uc)->uc_mcontext.__gregs[_REG_PC] = (sc)->sc_pc; \ 147 (uc)->uc_mcontext.__gregs[_REG_nPC] = (sc)->sc_npc; \ 148 _SIGCONTEXT_TO_MCONTEXT_32_64((sc), (uc)); \ 149 (uc)->uc_mcontext.__gregs[_REG_G1] = (sc)->sc_g1; \ 150 (uc)->uc_mcontext.__gregs[_REG_O0] = (sc)->sc_o0; \ 151 } while (/*CONSTCOND*/0) 152 153 #else /* _LOCORE */ 154 /* XXXXX These values don't work for _LP64 */ 155 #define SC_SP_OFFSET 8 156 #define SC_PC_OFFSET 12 157 #define SC_NPC_OFFSET 16 158 #define SC_PSR_OFFSET 20 159 #define SC_G1_OFFSET 24 160 #define SC_O0_OFFSET 28 161 #endif /* _LOCORE */ 162 163 /* 164 * `Code' arguments to signal handlers. The names, and the funny numbering. 165 * are defined so as to match up with what SunOS uses; I have no idea why 166 * they did the numbers that way, except maybe to match up with the 68881. 167 */ 168 #define FPE_INTOVF_TRAP 0x01 /* integer overflow */ 169 #define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */ 170 #define FPE_FLTINEX_TRAP 0xc4 /* inexact */ 171 #define FPE_FLTDIV_TRAP 0xc8 /* divide by zero */ 172 #define FPE_FLTUND_TRAP 0xcc /* underflow */ 173 #define FPE_FLTOPERR_TRAP 0xd0 /* operand error */ 174 #define FPE_FLTOVF_TRAP 0xd4 /* overflow */ 175 176 #endif /* _NETBSD_SOURCE */ 177 #endif /* !_SPARC_SIGNAL_H_ */ 178
Indexes created Thu Oct 02 10:09:58 GMT 2025