arch/nios2/include/asm/ucontext.h

   1 /*
   2  * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
   3  * Copyright (C) 2004 Microtronix Datacom Ltd
   4  *
   5  * This file is subject to the terms and conditions of the GNU General Public
   6  * License.  See the file "COPYING" in the main directory of this archive
   7  * for more details.
   8  */
   9
  10 #ifndef _ASM_NIOS2_UCONTEXT_H
  11 #define _ASM_NIOS2_UCONTEXT_H
  12
  13 typedef int greg_t;
  14 #define NGREG 32
  15 typedef greg_t gregset_t[NGREG];
  16
  17 struct mcontext {
  18         int version;
  19         gregset_t gregs;
  20 };
  21
  22 #define MCONTEXT_VERSION 2
  23
  24 struct ucontext {
  25         unsigned long     uc_flags;
  26         struct ucontext  *uc_link;
  27         stack_t           uc_stack;
  28         struct mcontext   uc_mcontext;
  29         sigset_t          uc_sigmask;   /* mask last for extensibility */
  30 };
  31
  32 #endif