sysdeps/unix/sysv/linux/cris/sys/ucontext.h

   1 /* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #ifndef _SYS_UCONTEXT_H
  20 #define _SYS_UCONTEXT_H 1
  21
  22 #include <features.h>
  23 #include <signal.h>
  24
  25 #include <bits/sigcontext.h>
  26
  27
  28 /* Type for general register.  */
  29 typedef long int greg_t;
  30
  31 /* Number of general registers.  */
  32 #define NGREG   20
  33
  34 /* Container for all general registers.  */
  35 typedef greg_t gregset_t[NGREG];
  36
  37 /* A placeholder type for floating-point register.  */
  38 typedef long int fpreg_t;
  39
  40 /* A placeholder; CRIS does not have any fp regs.  */
  41 typedef unsigned long fpregset_t;
  42
  43 /* A machine context is exactly a sigcontext.  */
  44 typedef struct sigcontext mcontext_t;
  45
  46 /* Userlevel context.  */
  47 typedef struct ucontext
  48   {
  49     unsigned long int uc_flags;
  50     struct ucontext *uc_link;
  51     stack_t uc_stack;
  52     mcontext_t uc_mcontext;
  53     __sigset_t uc_sigmask;
  54   } ucontext_t;
  55
  56 #endif /* sys/ucontext.h */