1 /* $NetBSD: mcontext.h,v 1.4 2003/10/08 22:43:01 thorpej Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Klaus Klein and by Jason R. Thorpe of Wasabi Systems, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #ifndef _MACHINE_MCONTEXT_H_ 37 #define _MACHINE_MCONTEXT_H_ 38 /* 39 * General register state 40 */ 41 #define _NGREG 17 42 typedef unsigned int __greg_t; 43 typedef __greg_t __gregset_t[_NGREG]; 44 45 #define _REG_R0 0 46 #define _REG_R1 1 47 #define _REG_R2 2 48 #define _REG_R3 3 49 #define _REG_R4 4 50 #define _REG_R5 5 51 #define _REG_R6 6 52 #define _REG_R7 7 53 #define _REG_R8 8 54 #define _REG_R9 9 55 #define _REG_R10 10 56 #define _REG_R11 11 57 #define _REG_R12 12 58 #define _REG_R13 13 59 #define _REG_R14 14 60 #define _REG_R15 15 61 #define _REG_CPSR 16 62 /* Convenience synonyms */ 63 #define _REG_FP _REG_R11 64 #define _REG_SP _REG_R13 65 #define _REG_LR _REG_R14 66 #define _REG_PC _REG_R15 67 68 /* 69 * Floating point register state 70 */ 71 typedef struct { 72 __uint64_t mcv_reg[32]; 73 __uint32_t mcv_fpscr; 74 } mcontext_vfp_t; 75 76 typedef struct { 77 __gregset_t __gregs; 78 79 /* 80 * Originally, rest of this structure was named __fpu, 35 * 4 bytes 81 * long, never accessed from kernel. 82 */ 83 __size_t mc_vfp_size; 84 void *mc_vfp_ptr; 85 unsigned int mc_spare[33]; 86 } mcontext_t; 87 88 #define UC_ 89 #endif /* !_MACHINE_MCONTEXT_H_ */ 90