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

   1 /* Copyright (C) 1997, 1998, 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 /* Don't rely on this, the interface is currently messed up and may need to
  20    be broken to be fixed.  */
  21 #ifndef _SYS_UCONTEXT_H
  22 #define _SYS_UCONTEXT_H 1
  23
  24 #include <features.h>
  25 #include <signal.h>
  26
  27 /* We need the signal context definitions even if they are not used
  28    included in <signal.h>.  */
  29 #include <bits/sigcontext.h>
  30
  31
  32 /* Type for general register.  */
  33 typedef unsigned long int greg_t;
  34
  35 /* Number of general registers.  */
  36 #define NGREG   80
  37 #define NFPREG  32
  38
  39 /* Container for all general registers.  */
  40 typedef struct gregset
  41   {
  42     greg_t g_regs[32];
  43     greg_t sr_regs[8];
  44     greg_t cr_regs[24];
  45     greg_t g_pad[16];
  46   } gregset_t;
  47
  48 /* Container for all FPU registers.  */
  49 typedef struct fpregset
  50   {
  51     double fp_dregs[32];
  52   } fpregset_t;
  53
  54 /* Context to describe whole processor state.  */
  55 typedef struct
  56   {
  57     gregset_t gregs;
  58     fpregset_t fpregs;
  59   } mcontext_t;
  60
  61 /* Userlevel context.  */
  62 typedef struct ucontext
  63   {
  64     unsigned long int uc_flags;
  65     struct ucontext *uc_link;
  66     stack_t uc_stack;
  67     mcontext_t uc_mcontext;
  68     __sigset_t uc_sigmask;
  69   } ucontext_t;
  70
  71 #endif /* sys/ucontext.h */