ucontext.h revision 256281
1/*- 2 * Copyright (c) 1999 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * from: FreeBSD: src/sys/alpha/include/ucontext.h,v 1.3 1999/10/08 29 * $FreeBSD: stable/10/sys/sparc64/include/ucontext.h 253266 2013-07-12 14:24:52Z marius $ 30 */ 31 32#ifndef _MACHINE_UCONTEXT_H_ 33#define _MACHINE_UCONTEXT_H_ 34 35struct __mcontext { 36 uint64_t mc_global[8]; 37 uint64_t mc_out[8]; 38 uint64_t mc_local[8]; 39 uint64_t mc_in[8]; 40 uint32_t mc_fp[64]; 41} __aligned(64); 42 43typedef struct __mcontext mcontext_t; 44 45#define _mc_flags mc_global[0] 46#define _mc_sp mc_out[6] 47#define _mc_fprs mc_local[0] 48#define _mc_fsr mc_local[1] 49#define _mc_gsr mc_local[2] 50#define _mc_tnpc mc_in[0] 51#define _mc_tpc mc_in[1] 52#define _mc_tstate mc_in[2] 53#define _mc_y mc_in[4] 54#define _mc_wstate mc_in[5] 55 56#define _MC_VERSION_SHIFT 0 57#define _MC_VERSION_BITS 32 58#define _MC_VERSION 1L 59 60#define _MC_FLAGS_SHIFT 32 61#define _MC_FLAGS_BITS 32 62#define _MC_VOLUNTARY ((1L << 0) << _MC_FLAGS_SHIFT) 63 64#endif /* !_MACHINE_UCONTEXT_H_ */ 65