glibc/sysdeps/unix/sysv/linux/alpha/sys/ucontext.h

/* Copyright (C) 1998-2017 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, see
   <http://www.gnu.org/licenses/>.  */

#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 exposed
   by <signal.h>.  */
#include <bits/types/__sigset_t.h>
#include <bits/sigcontext.h>
#include <bits/sigstack.h>
#include <bits/types/struct_sigstack.h>
#include <bits/types/stack_t.h>
#include <bits/ss_flags.h>


/* Type for general register.  */
typedef long int greg_t;

/* Number of general registers.  */
#define NGREG	33

/* Container for all general registers.  */
typedef greg_t gregset_t[NGREG];

/* Type for floating-point register.  */
typedef long int fpreg_t;

/* Number of general registers.  */
#define NFPREG	32

/* Container for all general registers.  */
typedef fpreg_t fpregset_t[NFPREG];


/* A machine context is exactly a sigcontext.  */
typedef struct sigcontext mcontext_t;

/* Userlevel context.  */
typedef struct ucontext
  {
    unsigned long int uc_flags;
    struct ucontext *uc_link;
    unsigned long __uc_osf_sigmask;
    stack_t uc_stack;
    mcontext_t uc_mcontext;
    __sigset_t uc_sigmask;
  } ucontext_t;

#endif /* sys/ucontext.h */