13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef SHARE_GC_Z_ZADDRESSRANGEMAP_HPP
  25 #define SHARE_GC_Z_ZADDRESSRANGEMAP_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 
  29 template<typename T, size_t AddressRangeShift>
  30 class ZAddressRangeMapIterator;
  31 
  32 template <typename T, size_t AddressRangeShift>
  33 class ZAddressRangeMap VALUE_OBJ_CLASS_SPEC {
  34   friend class VMStructs;
  35   friend class ZAddressRangeMapIterator<T, AddressRangeShift>;
  36 
  37 private:
  38   T* const _map;
  39 
  40   size_t index_for_addr(uintptr_t addr) const;
  41 
  42 public:
  43   ZAddressRangeMap();
  44   ~ZAddressRangeMap();
  45 
  46   T* addr() const;
  47   size_t size() const;
  48 
  49   T get(uintptr_t addr) const;
  50   void put(uintptr_t addr, T value);
  51 };
  52 
  53 template <typename T, size_t AddressRangeShift>

  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #ifndef SHARE_GC_Z_ZADDRESSRANGEMAP_HPP
  25 #define SHARE_GC_Z_ZADDRESSRANGEMAP_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 
  29 template<typename T, size_t AddressRangeShift>
  30 class ZAddressRangeMapIterator;
  31 
  32 template <typename T, size_t AddressRangeShift>
  33 class ZAddressRangeMap {
  34   friend class VMStructs;
  35   friend class ZAddressRangeMapIterator<T, AddressRangeShift>;
  36 
  37 private:
  38   T* const _map;
  39 
  40   size_t index_for_addr(uintptr_t addr) const;
  41 
  42 public:
  43   ZAddressRangeMap();
  44   ~ZAddressRangeMap();
  45 
  46   T* addr() const;
  47   size_t size() const;
  48 
  49   T get(uintptr_t addr) const;
  50   void put(uintptr_t addr, T value);
  51 };
  52 
  53 template <typename T, size_t AddressRangeShift>