2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1999 Marcel Moolenaar
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
30 * from: FreeBSD: src/sys/alpha/include/ucontext.h,v 1.3 1999/10/08
34 #ifndef _MACHINE_UCONTEXT_H_
35 #define _MACHINE_UCONTEXT_H_
38 __uint64_t mc_global[8];
40 __uint64_t mc_local[8];
45 typedef struct __mcontext mcontext_t;
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]
58 #define _MC_VERSION_SHIFT 0
59 #define _MC_VERSION_BITS 32
60 #define _MC_VERSION 1L
62 #define _MC_FLAGS_SHIFT 32
63 #define _MC_FLAGS_BITS 32
64 #define _MC_VOLUNTARY ((1L << 0) << _MC_FLAGS_SHIFT)
66 #endif /* !_MACHINE_UCONTEXT_H_ */