1 /* $NetBSD: signal.h,v 1.22 2003/11/25 23:11:52 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)signal.h 8.1 (Berkeley) 6/10/93 35 */ 36 37 #ifndef _MIPS_SIGNAL_H_ 38 #define _MIPS_SIGNAL_H_ 39 40 #include <sys/featuretest.h> 41 42 #include <machine/cdefs.h> /* for API selection */ 43 44 #define __HAVE_SIGINFO 45 #ifdef COMPAT_16 46 #define SIGTRAMP_VALID(vers) ((unsigned)(vers) <= 2) 47 #else 48 #define SIGTRAMP_VALID(vers) ((vers) == 2) 49 #endif 50 51 #if !defined(__ASSEMBLER__) 52 53 54 /* 55 * Machine-dependent signal definitions 56 */ 57 58 typedef int sig_atomic_t; 59 60 #if defined(_NETBSD_SOURCE) 61 /* 62 * Information pushed on stack when a signal is delivered. 63 * This is used by the kernel to restore state following 64 * execution of the signal handler. It is also made available 65 * to the handler to allow it to restore state properly if 66 * a non-standard exit is performed. 67 * 68 * sizeof(sigcontext) = 45 * sizeof(int) + 35 * sizeof(mips_reg_t) 69 */ 70 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL) 71 struct sigcontext13 { 72 int sc_onstack; /* sigstack state to restore */ 73 int sc_mask; /* signal mask to restore (old style) */ 74 mips_reg_t sc_pc; /* pc at time of signal */ 75 mips_reg_t sc_regs[32]; /* processor regs 0 to 31 */ 76 mips_reg_t mullo, mulhi;/* mullo and mulhi registers... */ 77 int sc_fpused; /* fp has been used */ 78 int sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 79 int sc_fpc_eir; /* floating point exception instruction reg */ 80 int sc_xxx[8]; /* XXX reserved */ 81 }; 82 #endif /* __LIBC12_SOURCE__ || _KERNEL */ 83 84 struct sigcontext { 85 int sc_onstack; /* sigstack state to restore */ 86 int __sc_mask13; /* signal mask to restore (old style) */ 87 mips_reg_t sc_pc; /* pc at time of signal */ 88 mips_reg_t sc_regs[32]; /* processor regs 0 to 31 */ 89 mips_reg_t mullo, mulhi;/* mullo and mulhi registers... */ 90 int sc_fpused; /* fp has been used */ 91 int sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 92 int sc_fpc_eir; /* floating point exception instruction reg */ 93 int sc_xxx[8]; /* XXX reserved */ 94 sigset_t sc_mask; /* signal mask to restore (new style) */ 95 }; 96 97 #endif /* _NETBSD_SOURCE */ 98 99 #endif /* !_LANGUAGE_ASSEMBLY */ 100 #if !defined(_KERNEL) 101 /* 102 * Hard code these to make people think twice about breaking compatibility. 103 * These macros are generated independently for the kernel. 104 */ 105 #if !defined(_MIPS_BSD_API) || _MIPS_BSD_API == _MIPS_BSD_API_LP32 106 #define _OFFSETOF_SC_REGS 12 107 #define _OFFSETOF_SC_FPREGS 152 108 #define _OFFSETOF_SC_MASK 320 109 #else 110 #define _OFFSETOF_SC_REGS 16 111 #define _OFFSETOF_SC_FPREGS 292 112 #define _OFFSETOF_SC_MASK 460 113 #endif 114 #endif /* !_KERNEL */ 115 #endif /* !_MIPS_SIGNAL_H_ */ 116