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/* Copyright (C) 1997, 1998, 2000, 2003, 2004, 2006, 2009 Free Software

   Foundation, Inc.  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 Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

/* Don't rely on this, the interface is currently messed up and may need to

   be broken to be fixed.  */

#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.  Even in o32 we assume 64-bit registers,

   like the kernel.  */

__extension__ typedef unsigned long long int greg_t;

typedef double fpreg_t;

/* Number of general registers.  */

#define NGREG   32

#define NFPREG  32

#define REG_PC 0

#define REG_RA 1

#define REG_SP 2

#define REG_TP 4

#define REG_S0 8

#define REG_A0 10

#define REG_NARGS 8

/* Container for all general registers.  */

typedef greg_t gregset_t[NGREG];

/* Container for all FPU registers.  */

typedef fpreg_t fpregset_t[NFPREG];

/* Context to describe whole processor state.  */

typedef struct sigcontext mcontext_t;

/* Userlevel context.  */

typedef struct ucontext

  {

    unsigned long int uc_flags;

    struct ucontext *uc_link;

    stack_t uc_stack;

    mcontext_t uc_mcontext;

    __sigset_t uc_sigmask;

  } ucontext_t;

#endif /* sys/ucontext.h */