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

   1 /* Copyright (C) 1998, 1999 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   33
  33
  34 /* Container for all general registers.  */
  35 typedef greg_t gregset_t[NGREG];
  36
  37 /* Type for floating-point register.  */
  38 typedef long int fpreg_t;
  39
  40 /* Number of general registers.  */
  41 #define NFPREG  32
  42
  43 /* Container for all general registers.  */
  44 typedef fpreg_t fpregset_t[NFPREG];
  45
  46
  47 /* A machine context is exactly a sigcontext.  */
  48 typedef struct sigcontext mcontext_t;
  49
  50 /* Userlevel context.  */
  51 typedef struct ucontext
  52   {
  53     unsigned long int uc_flags;
  54     struct ucontext *uc_link;
  55     unsigned long __uc_osf_sigmask;
  56     stack_t uc_stack;
  57     mcontext_t uc_mcontext;
  58     __sigset_t uc_sigmask;
  59   } ucontext_t;
  60
  61 #endif /* sys/ucontext.h */