/* Copyright (C) 2008-2018 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include "defs.h"

#include "windows-nat.h"

#include "x86-nat.h"

#include "i386-tdep.h"

#include <windows.h>

#define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))

static const int mappings[] =

{

  context_offset (Eax),

  context_offset (Ecx),

  context_offset (Edx),

  context_offset (Ebx),

  context_offset (Esp),

  context_offset (Ebp),

  context_offset (Esi),

  context_offset (Edi),

  context_offset (Eip),

  context_offset (EFlags),

  context_offset (SegCs),

  context_offset (SegSs),

  context_offset (SegDs),

  context_offset (SegEs),

  context_offset (SegFs),

  context_offset (SegGs),

  context_offset (FloatSave.RegisterArea[0 * 10]),

  context_offset (FloatSave.RegisterArea[1 * 10]),

  context_offset (FloatSave.RegisterArea[2 * 10]),

  context_offset (FloatSave.RegisterArea[3 * 10]),

  context_offset (FloatSave.RegisterArea[4 * 10]),

  context_offset (FloatSave.RegisterArea[5 * 10]),

  context_offset (FloatSave.RegisterArea[6 * 10]),

  context_offset (FloatSave.RegisterArea[7 * 10]),

  context_offset (FloatSave.ControlWord),

  context_offset (FloatSave.StatusWord),

  context_offset (FloatSave.TagWord),

  context_offset (FloatSave.ErrorSelector),

  context_offset (FloatSave.ErrorOffset),

  context_offset (FloatSave.DataSelector),

  context_offset (FloatSave.DataOffset),

  context_offset (FloatSave.ErrorSelector)

  /* XMM0-7 */ ,

  context_offset (ExtendedRegisters[10*16]),

  context_offset (ExtendedRegisters[11*16]),

  context_offset (ExtendedRegisters[12*16]),

  context_offset (ExtendedRegisters[13*16]),

  context_offset (ExtendedRegisters[14*16]),

  context_offset (ExtendedRegisters[15*16]),

  context_offset (ExtendedRegisters[16*16]),

  context_offset (ExtendedRegisters[17*16]),

  /* MXCSR */

  context_offset (ExtendedRegisters[24])

};

#undef context_offset

/* segment_register_p_ftype implementation for x86.  */

static int

i386_windows_segment_register_p (int regnum)

{

  return regnum >= I386_CS_REGNUM && regnum <= I386_GS_REGNUM;

}

void

_initialize_i386_windows_nat (void)

{

  windows_set_context_register_offsets (mappings);

  windows_set_segment_register_p (i386_windows_segment_register_p);

  x86_set_debug_register_length (4);

}