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/* $OpenBSD: signal.h,v 1.8 2006/01/09 18:18:37 millert Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)signal.h 8.1 (Berkeley) 6/10/93
*/
#ifndef _MIPS_SIGNAL_H_
#define _MIPS_SIGNAL_H_
#include <sys/cdefs.h>
#if !defined(__LANGUAGE_ASSEMBLY)
#include <sys/types.h>
/*
* Machine-dependent signal definitions
*/
typedef int sig_atomic_t;
#if __BSD_VISIBLE || __XPG_VISIBLE >= 420
/*
* Information pushed on stack when a signal is delivered.
* This is used by the kernel to restore state following
* execution of the signal handler. It is also made available
* to the handler to allow it to restore state properly if
* a non-standard exit is performed.
*/
#if defined(__ANDROID__)
/*
* The Linux and OpenBSD sigcontext structures are slightly different
* This is the Linux O32 ABI compatible sigcontext
*/
struct sigcontext {
unsigned int sc_regmask;
unsigned int sc_status;
unsigned long long sc_pc;
unsigned long long sc_regs[32];
unsigned long long sc_fpregs[32];
unsigned int sc_acx;
unsigned int sc_fpc_csr;
unsigned int sc_fpc_eir;
unsigned int sc_used_math;
unsigned int sc_dsp;
unsigned long long sc_mdhi;
unsigned long long sc_mdlo;
unsigned long sc_hi1;
unsigned long sc_lo1;
unsigned long sc_hi2;
unsigned long sc_lo2;
unsigned long sc_hi3;
unsigned long sc_lo3;
};
#else
struct sigcontext {
long sc_onstack; /* sigstack state to restore */
long sc_mask; /* signal mask to restore */
__register_t sc_pc; /* pc at time of signal */
__register_t sc_regs[32]; /* processor regs 0 to 31 */
__register_t mullo; /* mullo and mulhi registers... */
__register_t mulhi; /* mullo and mulhi registers... */
f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */
long sc_fpused; /* fp has been used */
long sc_fpc_eir; /* floating point exception instruction reg */
long xxx[8]; /* XXX reserved */
};
#endif
#endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
#else /* __LANGUAGE_ASSEMBLY */
#ifdef __ANDROID__
#define SC_REGMASK (0*REGSZ)
#define SC_STATUS (1*REGSZ)
#define SC_PC (2*REGSZ)
#define SC_REGS (SC_PC+8)
#define SC_FPREGS (SC_REGS+32*8)
#define SC_ACX (SC_FPREGS+32*REGSZ_FP)
#define SC_FPC_CSR (SC_ACX+1*REGSZ)
#define SC_FPC_EIR (SC_ACX+2*REGSZ)
#define SC_USED_MATH (SC_ACX+3*REGSZ)
#define SC_DSP (SC_ACX+4*REGSZ)
#define SC_MDHI (SC_ACX+5*REGSZ)
#define SC_MDLO (SC_MDHI+8)
#define SC_HI1 (SC_MDLO+8)
#define SC_LO1 (SC_HI1+1*REGSZ)
#define SC_HI2 (SC_HI1+2*REGSZ)
#define SC_LO2 (SC_HI1+3*REGSZ)
#define SC_HI3 (SC_HI1+4*REGSZ)
#define SC_LO3 (SC_HI1+5*REGSZ)
/* OpenBSD compatibility */
#define SC_MASK SC_REGMASK
#define SC_FPUSED SC_USED_MATH
#else
#define SC_ONSTACK (0 * REGSZ)
#define SC_MASK (1 * REGSZ)
#define SC_PC (2 * REGSZ)
#define SC_REGS (3 * REGSZ)
#define SC_MULLO (35 * REGSZ)
#define SC_MULHI (36 * REGSZ)
#define SC_FPREGS (37 * REGSZ)
#define SC_FPUSED (70 * REGSZ)
#define SC_FPC_EIR (71 * REGSZ)
#endif /* __ANDROID__ */
#endif /* __LANGUAGE_ASSEMBLY */
#endif /* !_MIPS_SIGNAL_H_ */
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