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/* Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.

   Contributed by Richard Henderson <rth@redhat.com>.

   This file is part of the GNU Transactional Memory Library (libitm).

   Libitm 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.

   Libitm 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 "libitm_i.h"

using namespace GTM;

bool abi_dispatch::memmove_overlap_check(void *dst, const void *src,

    size_t size, ls_modifier dst_mod, ls_modifier src_mod)

{

  if (dst_mod == NONTXNAL || src_mod == NONTXNAL)

    {

      if (((uintptr_t)dst <= (uintptr_t)src ?

          (uintptr_t)dst + size > (uintptr_t)src :

          (uintptr_t)src + size > (uintptr_t)dst))

        GTM::GTM_fatal("_ITM_memmove overlapping and t/nt is not allowed");

      return false;

    }

  return true;

}

CREATE_DISPATCH_FUNCTIONS(GTM::abi_disp()->, )