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

   1 /* Copyright (C) 1997-2014 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 /* Don't rely on this, the interface is currently messed up and may need to
  19    be broken to be fixed.  */
  20 #ifndef _SYS_UCONTEXT_H
  21 #define _SYS_UCONTEXT_H 1
  22
  23 #include <features.h>
  24 #include <signal.h>
  25
  26 /* We need the signal context definitions even if they are not used
  27    included in <signal.h>.  */
  28 #include <bits/sigcontext.h>
  29
  30
  31 /* Type for general register.  */
  32 typedef unsigned long int greg_t;
  33
  34 /* Number of general registers.  */
  35 #define NGREG   80
  36 #define NFPREG  32
  37
  38 /* Container for all general registers.  */
  39 typedef struct gregset
  40   {
  41     greg_t g_regs[32];
  42     greg_t sr_regs[8];
  43     greg_t cr_regs[24];
  44     greg_t g_pad[16];
  45   } gregset_t;
  46
  47 /* Container for all FPU registers.  */
  48 typedef struct fpregset
  49   {
  50     double fp_dregs[32];
  51   } fpregset_t;
  52
  53 /* Context to describe whole processor state.  */
  54 typedef struct sigcontext mcontext_t;
  55
  56 /* Userlevel context.  */
  57 typedef struct ucontext
  58   {
  59     unsigned long int uc_flags;
  60     struct ucontext *uc_link;
  61     stack_t uc_stack;
  62     mcontext_t uc_mcontext;
  63     __sigset_t uc_sigmask;
  64   } ucontext_t;
  65
  66 #endif /* sys/ucontext.h */