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/* Implement __enable_execute_stack for Windows32.

   Copyright (C) 2011 Free Software Foundation, Inc.

   This file is part of GCC.

   GCC 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, or (at your option) any later

   version.

   GCC 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.

   Under Section 7 of GPL version 3, you are granted additional

   permissions described in the GCC Runtime Library Exception, version

   3.1, as published by the Free Software Foundation.

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

   a copy of the GCC Runtime Library Exception along with this program;

   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

   <http://www.gnu.org/licenses/>.  */

#include <windows.h>

extern void __enable_execute_stack (void *);

void

__enable_execute_stack (void *addr)

{

  MEMORY_BASIC_INFORMATION b;

  if (!VirtualQuery (addr, &b, sizeof(b)))

    abort ();

  VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,

                  &b.Protect);

}