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 /* 53 * Information pushed on stack when a signal is delivered. 54 * This is used by the kernel to restore state following 55 * execution of the signal handler. It is also made available 56 * to the handler to allow it to restore state properly if 57 * a non-standard exit is performed. 58 */ 59 60 #if defined(__ANDROID__) 61 62 /* 63 * The Linux and OpenBSD sigcontext structures are slightly different 64 * This is the Linux O32 ABI compatible sigcontext 65 */ 66 67 struct sigcontext { 68 unsigned int sc_regmask; 69 unsigned int sc_status; 70 unsigned long long sc_pc; 71 unsigned long long sc_regs[32]; 72 unsigned long long sc_fpregs[32]; 73 unsigned int sc_acx; 74 unsigned int sc_fpc_csr; 75 unsigned int sc_fpc_eir; 76 unsigned int sc_used_math; 77 unsigned int sc_dsp; 78 unsigned long long sc_mdhi; 79 unsigned long long sc_mdlo; 80 unsigned long sc_hi1; 81 unsigned long sc_lo1; 82 unsigned long sc_hi2; 83 unsigned long sc_lo2; 84 unsigned long sc_hi3; 85 unsigned long sc_lo3; 86 }; 87 88 #else 89 90 struct sigcontext { 91 long sc_onstack; /* sigstack state to restore */ 92 long sc_mask; /* signal mask to restore */ 93 __register_t sc_pc; /* pc at time of signal */ 94 __register_t sc_regs[32]; /* processor regs 0 to 31 */ 95 __register_t mullo; /* mullo and mulhi registers... */ 96 __register_t mulhi; /* mullo and mulhi registers... */ 97 f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 98 long sc_fpused; /* fp has been used */ 99 long sc_fpc_eir; /* floating point exception instruction reg */ 100 long xxx[8]; /* XXX reserved */ 101 }; 102 #endif 103 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 104 105 #else /* __LANGUAGE_ASSEMBLY */ 106 107 #ifdef __ANDROID__ 108 109 #define SC_REGMASK (0*REGSZ) 110 #define SC_STATUS (1*REGSZ) 111 #define SC_PC (2*REGSZ) 112 #define SC_REGS (SC_PC+8) 113 #define SC_FPREGS (SC_REGS+32*8) 114 #define SC_ACX (SC_FPREGS+32*REGSZ_FP) 115 #define SC_FPC_CSR (SC_ACX+1*REGSZ) 116 #define SC_FPC_EIR (SC_ACX+2*REGSZ) 117 #define SC_USED_MATH (SC_ACX+3*REGSZ) 118 #define SC_DSP (SC_ACX+4*REGSZ) 119 #define SC_MDHI (SC_ACX+5*REGSZ) 120 #define SC_MDLO (SC_MDHI+8) 121 #define SC_HI1 (SC_MDLO+8) 122 #define SC_LO1 (SC_HI1+1*REGSZ) 123 #define SC_HI2 (SC_HI1+2*REGSZ) 124 #define SC_LO2 (SC_HI1+3*REGSZ) 125 #define SC_HI3 (SC_HI1+4*REGSZ) 126 #define SC_LO3 (SC_HI1+5*REGSZ) 127 /* OpenBSD compatibility */ 128 #define SC_MASK SC_REGMASK 129 #define SC_FPUSED SC_USED_MATH 130 131 #else 132 133 #define SC_ONSTACK (0 * REGSZ) 134 #define SC_MASK (1 * REGSZ) 135 #define SC_PC (2 * REGSZ) 136 #define SC_REGS (3 * REGSZ) 137 #define SC_MULLO (35 * REGSZ) 138 #define SC_MULHI (36 * REGSZ) 139 #define SC_FPREGS (37 * REGSZ) 140 #define SC_FPUSED (70 * REGSZ) 141 #define SC_FPC_EIR (71 * REGSZ) 142 143 #endif /* __ANDROID__ */ 144 145 #endif /* __LANGUAGE_ASSEMBLY */ 146 147 #endif /* !_MIPS_SIGNAL_H_ */ 148