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