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

   1 /* Copyright (C) 1998-2014 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, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _SYS_UCONTEXT_H
  19 #define _SYS_UCONTEXT_H 1
  20
  21 #include <features.h>
  22 #include <signal.h>
  23
  24 #include <bits/sigcontext.h>
  25
  26
  27 /* Type for general register.  */
  28 typedef long int greg_t;
  29
  30 /* Number of general registers.  */
  31 #define NGREG   33
  32
  33 /* Container for all general registers.  */
  34 typedef greg_t gregset_t[NGREG];
  35
  36 /* Type for floating-point register.  */
  37 typedef long int fpreg_t;
  38
  39 /* Number of general registers.  */
  40 #define NFPREG  32
  41
  42 /* Container for all general registers.  */
  43 typedef fpreg_t fpregset_t[NFPREG];
  44
  45
  46 /* A machine context is exactly a sigcontext.  */
  47 typedef struct sigcontext mcontext_t;
  48
  49 /* Userlevel context.  */
  50 typedef struct ucontext
  51   {
  52     unsigned long int uc_flags;
  53     struct ucontext *uc_link;
  54     unsigned long __uc_osf_sigmask;
  55     stack_t uc_stack;
  56     mcontext_t uc_mcontext;
  57     __sigset_t uc_sigmask;
  58   } ucontext_t;
  59
  60 #endif /* sys/ucontext.h */