74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/* $NetBSD: mcontext.h,v 1.5 2008/04/28 20:23:39 martin Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _VAX_MCONTEXT_H_
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#define _VAX_MCONTEXT_H_
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/*
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* Layout of mcontext_t.
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* As on Alpha, this maps directly to `struct reg'.
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*/
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#define _NGREG 17 /* R0-31, AP, SP, FP, PC, PSL */
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typedef int __greg_t;
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typedef __greg_t __gregset_t[_NGREG];
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#define _REG_R0 0
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#define _REG_R1 1
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#define _REG_R2 2
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#define _REG_R3 3
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#define _REG_R4 4
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#define _REG_R5 5
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#define _REG_R6 6
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#define _REG_R7 7
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#define _REG_R8 8
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#define _REG_R9 9
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#define _REG_R10 10
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#define _REG_R11 11
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#define _REG_AP 12
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#define _REG_FP 13
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#define _REG_SP 14
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#define _REG_PC 15
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#define _REG_PSL 16
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typedef struct {
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__gregset_t __gregs; /* General Purpose Register set */
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} mcontext_t;
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#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
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#define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC])
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#define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_R0])
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#define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc)
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#endif /* !_VAX_MCONTEXT_H_ */
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