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/* Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <signal.h>
/* We need the signal context definitions even if they are not used
included in <signal.h>. */
#include <bits/sigcontext.h>
/* Type for general register. */
typedef int greg_t;
/* Number of general registers. */
#define NGREG 16
/* Number of each register is the `gregset_t' array. */
enum
{
GPR0 = 0,
#define GPR0 GPR0
GPR1,
#define GPR1 GPR1
GPR2,
#define GPR2 GPR2
GPR3,
#define GPR3 GPR3
GPR4,
#define GPR4 GPR4
GPR5,
#define GPR5 GPR5
GPR6,
#define GPR6 GPR6
GPR7,
#define GPR7 GPR7
GPR8,
#define GPR8 GPR8
GPR9,
#define GPR9 GPR9
GPRA,
#define GPRA GPRA
GPRB,
#define GPRB GPRB
GPRC,
#define GPRC GPRC
GPRD,
#define GPRD GPRD
GPRE,
#define GPRE GPRE
GPRF
#define GPRF GPRF
};
/* Structure to describe FPU registers. */
typedef long long fpreg_t;
/* Context to describe whole processor state. */
typedef struct
{
int version;
greg_t gregs[NGREG];
fpreg_t fpregs[16];
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext
{
unsigned long int uc_flags;
struct ucontext *uc_links;
__sigset_t uc_sigmask;
stack_t uc_stack;
mcontext_t uc_mcontext;
long int uc_filler[170];
} ucontext_t;
#endif /* sys/ucontext.h */
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