Subversion Repositories hf-risc

/* 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 */