1 1.15 christos /* $NetBSD: mcontext.h,v 1.15 2024/11/30 01:04:15 christos Exp $ */ 2 1.2 thorpej 3 1.2 thorpej /*- 4 1.2 thorpej * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.2 thorpej * All rights reserved. 6 1.2 thorpej * 7 1.2 thorpej * This code is derived from software contributed to The NetBSD Foundation 8 1.2 thorpej * by Klaus Klein. 9 1.2 thorpej * 10 1.2 thorpej * Redistribution and use in source and binary forms, with or without 11 1.2 thorpej * modification, are permitted provided that the following conditions 12 1.2 thorpej * are met: 13 1.2 thorpej * 1. Redistributions of source code must retain the above copyright 14 1.2 thorpej * notice, this list of conditions and the following disclaimer. 15 1.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 thorpej * notice, this list of conditions and the following disclaimer in the 17 1.2 thorpej * documentation and/or other materials provided with the distribution. 18 1.2 thorpej * 19 1.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 thorpej * POSSIBILITY OF SUCH DAMAGE. 30 1.2 thorpej */ 31 1.2 thorpej 32 1.2 thorpej #ifndef _VAX_MCONTEXT_H_ 33 1.2 thorpej #define _VAX_MCONTEXT_H_ 34 1.2 thorpej 35 1.2 thorpej /* 36 1.2 thorpej * Layout of mcontext_t. 37 1.2 thorpej * As on Alpha, this maps directly to `struct reg'. 38 1.2 thorpej */ 39 1.2 thorpej 40 1.2 thorpej #define _NGREG 17 /* R0-31, AP, SP, FP, PC, PSL */ 41 1.2 thorpej 42 1.2 thorpej typedef int __greg_t; 43 1.2 thorpej typedef __greg_t __gregset_t[_NGREG]; 44 1.2 thorpej 45 1.2 thorpej #define _REG_R0 0 46 1.2 thorpej #define _REG_R1 1 47 1.2 thorpej #define _REG_R2 2 48 1.2 thorpej #define _REG_R3 3 49 1.2 thorpej #define _REG_R4 4 50 1.2 thorpej #define _REG_R5 5 51 1.2 thorpej #define _REG_R6 6 52 1.2 thorpej #define _REG_R7 7 53 1.2 thorpej #define _REG_R8 8 54 1.2 thorpej #define _REG_R9 9 55 1.2 thorpej #define _REG_R10 10 56 1.2 thorpej #define _REG_R11 11 57 1.2 thorpej #define _REG_AP 12 58 1.2 thorpej #define _REG_FP 13 59 1.2 thorpej #define _REG_SP 14 60 1.2 thorpej #define _REG_PC 15 61 1.2 thorpej #define _REG_PSL 16 62 1.2 thorpej 63 1.2 thorpej typedef struct { 64 1.2 thorpej __gregset_t __gregs; /* General Purpose Register set */ 65 1.2 thorpej } mcontext_t; 66 1.2 thorpej 67 1.7 chs /* Machine-dependent uc_flags */ 68 1.12 thorpej #define _UC_SETSTACK _UC_MD_BIT16 69 1.12 thorpej #define _UC_CLRSTACK _UC_MD_BIT17 70 1.12 thorpej #define _UC_TLSBASE _UC_MD_BIT19 71 1.7 chs 72 1.2 thorpej #define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP]) 73 1.9 kamil #define _UC_MACHINE_FP(uc) ((uc)->uc_mcontext.__gregs[_REG_FP]) 74 1.3 thorpej #define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC]) 75 1.3 thorpej #define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_R0]) 76 1.3 thorpej 77 1.3 thorpej #define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc) 78 1.3 thorpej 79 1.2 thorpej #endif /* !_VAX_MCONTEXT_H_ */ 80
Indexes created Mon Sep 22 13:09:51 GMT 2025