/*
    Copyright 2012 Wolfgang Thaller.

    This file is part of Retro68.

    Retro68 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.

    Retro68 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 Retro68.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <MacMemory.h>

Size GetPtrSize(Ptr ptr)
{
   long tmp;
   __asm__ __volatile__(
      "move.l %1, %%a0\n\t"
      "dc.w 0xA021\n\t"
      "move.l %%d0, %1"
      : "=g"(tmp) : "g"(ptr) : "%%a0", "%%d0");
   if(tmp > 0)
      return (Size) tmp;
   else
      return 0;
}