NetBSD/sys/compat/svr4/svr4_ucontext.h

88 lines
2.8 KiB
C

/* $NetBSD: svr4_ucontext.h,v 1.9 2008/04/28 20:23:45 martin Exp $ */
/*-
* Copyright (c) 1994 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SVR4_UCONTEXT_H_
#define _SVR4_UCONTEXT_H_
#include <compat/svr4/svr4_types.h>
#include <compat/svr4/svr4_signal.h>
#include <machine/svr4_machdep.h>
/*
* Machine context
*/
#define SVR4_UC_SIGMASK 0x01
#define SVR4_UC_STACK 0x02
#define SVR4_UC_CPU 0x04
#define SVR4_UC_FPU 0x08
#define SVR4_UC_WEITEK 0x10
#define SVR4_UC_MCONTEXT (SVR4_UC_CPU|SVR4_UC_FPU|SVR4_UC_WEITEK)
#define SVR4_UC_ALL (SVR4_UC_SIGMASK|SVR4_UC_STACK|SVR4_UC_MCONTEXT)
typedef struct svr4_ucontext {
u_long uc_flags;
struct svr4_ucontext *uc_link;
svr4_sigset_t uc_sigmask;
struct svr4_sigaltstack uc_stack;
svr4_mcontext_t uc_mcontext;
#ifdef SVR4_UC_MACHINE_PAD
long uc_pad[SVR4_UC_MACHINE_PAD];
#endif
} svr4_ucontext_t;
#define SVR4_UC_GETREGSET 0
#define SVR4_UC_SETREGSET 1
/*
* Signal frame
*/
struct svr4_sigframe {
int sf_signum;
union svr4_siginfo *sf_sip;
struct svr4_ucontext *sf_ucp;
sig_t sf_handler;
struct svr4_ucontext sf_uc;
union svr4_siginfo sf_si;
};
void *svr4_getmcontext(struct lwp *, struct svr4_mcontext *, u_long *);
int svr4_setmcontext(struct lwp *, struct svr4_mcontext *, u_long);
void svr4_getcontext(struct lwp *, struct svr4_ucontext *);
int svr4_setcontext(struct lwp *, struct svr4_ucontext *);
#endif /* !_SVR4_UCONTEXT_H_ */