1 /* $OpenBSD: signal.h,v 1.8 2006/01/09 18:18:37 millert 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/cdefs.h> 41 42 #if !defined(__LANGUAGE_ASSEMBLY) 43 #include <sys/types.h> 44 45 /* 46 * Machine-dependent signal definitions 47 */ 48 typedef int sig_atomic_t; 49 50 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 51 /* 52 * Information pushed on stack when a signal is delivered. 53 * This is used by the kernel to restore state following 54 * execution of the signal handler. It is also made available 55 * to the handler to allow it to restore state properly if 56 * a non-standard exit is performed. 57 */ 58 struct sigcontext { 59 long sc_onstack; /* sigstack state to restore */ 60 long sc_mask; /* signal mask to restore */ 61 __register_t sc_pc; /* pc at time of signal */ 62 __register_t sc_regs[32]; /* processor regs 0 to 31 */ 63 __register_t mullo; /* mullo and mulhi registers... */ 64 __register_t mulhi; /* mullo and mulhi registers... */ 65 f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 66 long sc_fpused; /* fp has been used */ 67 long sc_fpc_eir; /* floating point exception instruction reg */ 68 long xxx[8]; /* XXX reserved */ 69 }; 70 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 71 72 #else /* __LANGUAGE_ASSEMBLY */ 73 #define SC_ONSTACK (0 * REGSZ) 74 #define SC_MASK (1 * REGSZ) 75 #define SC_PC (2 * REGSZ) 76 #define SC_REGS (3 * REGSZ) 77 #define SC_MULLO (35 * REGSZ) 78 #define SC_MULHI (36 * REGSZ) 79 #define SC_FPREGS (37 * REGSZ) 80 #define SC_FPUSED (70 * REGSZ) 81 #define SC_FPC_EIR (71 * REGSZ) 82 #endif /* __LANGUAGE_ASSEMBLY */ 83 84 #endif /* !_MIPS_SIGNAL_H_ */ 85