2 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
3 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
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. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by TooLs GmbH.
17 * 4. The name of TooLs GmbH may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $
35 #ifndef _MACHINE_UCONTEXT_H_
36 #define _MACHINE_UCONTEXT_H_
38 typedef struct __mcontext {
41 #define _MC_FP_VALID 0x01
42 #define _MC_AV_VALID 0x02
43 int mc_onstack; /* saved onstack flag */
44 int mc_len; /* sizeof(__mcontext) */
45 uint64_t mc_avec[32*2]; /* vector register file */
47 uint32_t mc_frame[41];
48 uint64_t mc_fpreg[33];
49 } mcontext_t __aligned(16);
51 /* GPRs and supervisor-level regs */
52 #define mc_gpr mc_frame
53 #define mc_lr mc_frame[32]
54 #define mc_cr mc_frame[33]
55 #define mc_xer mc_frame[34]
56 #define mc_ctr mc_frame[35]
57 #define mc_srr0 mc_frame[36]
58 #define mc_srr1 mc_frame[37]
59 #define mc_dar mc_frame[38]
60 #define mc_dsisr mc_frame[39]
61 #define mc_exc mc_frame[40]
63 /* floating-point state */
64 #define mc_fpscr mc_fpreg[32]
67 #define mc_vscr mc_av[0]
68 #define mc_vrsave mc_av[1]
70 #define _MC_VERSION 0x1
71 #define _MC_VERSION_KSE 0xee /* partial ucontext for libpthread */
73 #endif /* !_MACHINE_UCONTEXT_H_ */