/* $NetBSD: mcontext.h,v 1.3 2003/11/06 00:41:20 simonb Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Klaus Klein. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ #ifndef _NS32K_MCONTEXT_H_ #define _NS32K_MCONTEXT_H_ /* * Layout of mcontext_t for the ns32k architecture. Lacking an SVR4 * ABI definition, reuse the `struct reg' layout for simplicity. */ #define _NGREG 13 typedef int __greg_t; typedef __greg_t __gregset_t[_NGREG]; #define _REG_R7 0 #define _REG_R6 1 #define _REG_R5 2 #define _REG_R4 3 #define _REG_R3 4 #define _REG_R2 5 #define _REG_R1 6 #define _REG_R0 7 #define _REG_SP 8 #define _REG_SB 9 #define _REG_FP 10 #define _REG_PC 11 #define _REG_PS 12 typedef struct { int __fpr_psr; double __fpr_regs[8]; } __fpregset_t; typedef struct { __gregset_t __gregs; __fpregset_t __fpregs; } mcontext_t; /* * mcontext extensions to handle signal delivery. */ #define _UC_SETSTACK 0x00010000 #define _UC_CLRSTACK 0x00020000 #define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP]) #define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC]) #define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_R0]) #define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc) #endif /* !_NS32K_MCONTEXT_H_ */