1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1999 Marcel Moolenaar 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in this position and unchanged. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * from: FreeBSD: src/sys/alpha/include/ucontext.h,v 1.3 1999/10/08 31 * $FreeBSD: stable/12/sys/sparc64/include/ucontext.h 326262 2017-11-27 15:10:39Z pfg $ 32 */ 33 34 #ifndef _MACHINE_UCONTEXT_H_ 35 #define _MACHINE_UCONTEXT_H_ 36 37 struct __mcontext { 38 __uint64_t mc_global[8]; 39 __uint64_t mc_out[8]; 40 __uint64_t mc_local[8]; 41 __uint64_t mc_in[8]; 42 __uint32_t mc_fp[64]; 43 } __aligned(64); 44 45 typedef struct __mcontext mcontext_t; 46 47 #define _mc_flags mc_global[0] 48 #define _mc_sp mc_out[6] 49 #define _mc_fprs mc_local[0] 50 #define _mc_fsr mc_local[1] 51 #define _mc_gsr mc_local[2] 52 #define _mc_tnpc mc_in[0] 53 #define _mc_tpc mc_in[1] 54 #define _mc_tstate mc_in[2] 55 #define _mc_y mc_in[4] 56 #define _mc_wstate mc_in[5] 57 58 #define _MC_VERSION_SHIFT 0 59 #define _MC_VERSION_BITS 32 60 #define _MC_VERSION 1L 61 62 #define _MC_FLAGS_SHIFT 32 63 #define _MC_FLAGS_BITS 32 64 #define _MC_VOLUNTARY ((1L << 0) << _MC_FLAGS_SHIFT) 65 66 #endif /* !_MACHINE_UCONTEXT_H_ */ 67