ucontext.h (60727d8b86294910d41cbda1a50a855ea0537449) ucontext.h (fb75554e548c43c86778bd9497b7a542ef9db9a8)
1/*-
1/* $FreeBSD$ */
2/* $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $ */
3
4/*
2 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
3 * Copyright (C) 1995, 1996 TooLs GmbH.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright

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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.
5 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
6 * Copyright (C) 1995, 1996 TooLs GmbH.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright

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25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $
32 * $FreeBSD$
33 */
33 */
34
35#ifndef _MACHINE_UCONTEXT_H_
36#define _MACHINE_UCONTEXT_H_
37
34#ifndef _MACHINE_UCONTEXT_H_
35#define _MACHINE_UCONTEXT_H_
36
38typedef struct __mcontext {
39 int mc_vers;
40 int mc_flags;
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 */
46 uint32_t mc_av[2];
47 uint32_t mc_frame[41];
48 uint64_t mc_fpreg[33];
49} mcontext_t __aligned(16);
37#include <machine/frame.h>
50
38
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]
62
39
63/* floating-point state */
64#define mc_fpscr mc_fpreg[32]
40typedef struct __mcontext {
41 int mc_onstack; /* saved onstack flag */
42 struct trapframe mc_frame; /* saved registers */
43} mcontext_t;
65
44
66/* altivec state */
67#define mc_vscr mc_av[0]
68#define mc_vrsave mc_av[1]
69
70#define _MC_VERSION 0x1
71#define _MC_VERSION_KSE 0xee /* partial ucontext for libpthread */
72
73#endif /* !_MACHINE_UCONTEXT_H_ */
45#endif /* !_MACHINE_UCONTEXT_H_ */