ucontext.h (2708B) - Raw
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 34 #ifndef _MACHINE_MCONTEXT_H_ 35 #define _MACHINE_MCONTEXT_H_ 36 /* 37 * General register state 38 */ 39 #define _NGREG 17 40 typedef unsigned int __greg_t; 41 typedef __greg_t __gregset_t[_NGREG]; 42 43 #define _REG_R0 0 44 #define _REG_R1 1 45 #define _REG_R2 2 46 #define _REG_R3 3 47 #define _REG_R4 4 48 #define _REG_R5 5 49 #define _REG_R6 6 50 #define _REG_R7 7 51 #define _REG_R8 8 52 #define _REG_R9 9 53 #define _REG_R10 10 54 #define _REG_R11 11 55 #define _REG_R12 12 56 #define _REG_R13 13 57 #define _REG_R14 14 58 #define _REG_R15 15 59 #define _REG_CPSR 16 60 /* Convenience synonyms */ 61 #define _REG_FP _REG_R11 62 #define _REG_SP _REG_R13 63 #define _REG_LR _REG_R14 64 #define _REG_PC _REG_R15 65 66 /* 67 * Floating point register state 68 */ 69 typedef struct { 70 __uint64_t mcv_reg[32]; 71 __uint32_t mcv_fpscr; 72 } mcontext_vfp_t; 73 74 typedef struct { 75 __gregset_t __gregs; 76 77 /* 78 * Originally, rest of this structure was named __fpu, 35 * 4 bytes 79 * long, never accessed from kernel. 80 */ 81 __size_t mc_vfp_size; 82 void *mc_vfp_ptr; 83 unsigned int mc_spare[33]; 84 } mcontext_t; 85 86 #define UC_ 87 #endif /* !_MACHINE_MCONTEXT_H_ */