97 lines
4.1 KiB
C
97 lines
4.1 KiB
C
/* $NetBSD: signal.h,v 1.9 2003/01/20 00:53:56 matt Exp $ */
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/*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _POWERPC_SIGNAL_H_
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#define _POWERPC_SIGNAL_H_
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typedef int sig_atomic_t;
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE)
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#include <machine/frame.h>
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#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
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struct sigcontext13 {
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int sc_onstack; /* saved onstack flag */
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int sc_mask; /* saved signal mask (old style) */
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struct trapframe sc_frame; /* saved registers */
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};
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#endif /* __LIBC12_SOURCE__ || _KERNEL */
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struct sigcontext {
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int sc_onstack; /* saved onstack flag */
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int __sc_mask13; /* saved signal mask (old style) */
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struct trapframe sc_frame; /* saved registers */
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sigset_t sc_mask; /* saved signal mask (new style) */
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};
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/*
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* The following macros are used to convert from a ucontext to sigcontext,
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* and vice-versa. This is for building a sigcontext to deliver to old-style
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* signal handlers, and converting back (in the event the handler modifies
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* the context).
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*/
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#define _MCONTEXT_TO_SIGCONTEXT(uc, sc) \
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do { \
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memcpy((sc)->sc_frame.fixreg, &(uc)->uc_mcontext.__gregs[_REG_R0], \
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sizeof((sc)->sc_frame.fixreg)); \
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(sc)->sc_frame.cr = (uc)->uc_mcontext.__gregs[_REG_CR]; \
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(sc)->sc_frame.lr = (uc)->uc_mcontext.__gregs[_REG_LR]; \
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(sc)->sc_frame.srr0 = (uc)->uc_mcontext.__gregs[_REG_PC]; \
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(sc)->sc_frame.srr1 = (uc)->uc_mcontext.__gregs[_REG_MSR]; \
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(sc)->sc_frame.ctr = (uc)->uc_mcontext.__gregs[_REG_CTR]; \
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(sc)->sc_frame.xer = (uc)->uc_mcontext.__gregs[_REG_XER]; \
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(sc)->sc_frame.dar = 0; \
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(sc)->sc_frame.dsisr = 0; \
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(sc)->sc_frame.exc = 0; \
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(sc)->sc_frame.vrsave = (uc)->uc_mcontext.__vrf.__vrsave; \
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} while (/*CONSTCOND*/0)
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#define _SIGCONTEXT_TO_MCONTEXT(sc, uc) \
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do { \
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memcpy(&(uc)->uc_mcontext.__gregs[_REG_R0], (sc)->sc_frame.fixreg, \
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sizeof((sc)->sc_frame.fixreg)); \
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(uc)->uc_mcontext.__gregs[_REG_CR] = (sc)->sc_frame.cr; \
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(uc)->uc_mcontext.__gregs[_REG_LR] = (sc)->sc_frame.lr; \
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(uc)->uc_mcontext.__gregs[_REG_PC] = (sc)->sc_frame.srr0; \
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(uc)->uc_mcontext.__gregs[_REG_MSR] = (sc)->sc_frame.srr1; \
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(uc)->uc_mcontext.__gregs[_REG_CTR] = (sc)->sc_frame.ctr; \
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(uc)->uc_mcontext.__gregs[_REG_XER] = (sc)->sc_frame.xer; \
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(uc)->uc_mcontext.__vrf.__vrsave = (sc)->sc_frame.vrsave; \
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} while (/*CONSTCOND*/0)
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struct sigframe {
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struct sigcontext sf_sc;
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};
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#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
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#endif /* !_POWERPC_SIGNAL_H_ */
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