2 * Copyright (c) 1999 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
28 * from: FreeBSD: src/sys/alpha/include/ucontext.h,v 1.3 1999/10/08
32 #ifndef _MACHINE_UCONTEXT_H_
33 #define _MACHINE_UCONTEXT_H_
36 uint64_t mc_global[8];
43 typedef struct __mcontext mcontext_t;
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]
56 #define _MC_VERSION_SHIFT 0
57 #define _MC_VERSION_BITS 32
58 #define _MC_VERSION 1L
60 #define _MC_FLAGS_SHIFT 32
61 #define _MC_FLAGS_BITS 32
62 #define _MC_VOLUNTARY ((1L << 0) << _MC_FLAGS_SHIFT)
64 #endif /* !_MACHINE_UCONTEXT_H_ */