12  * version 2 for more details (a copy is included in the LICENSE file that
  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 
  25 #include "precompiled.hpp"
  26 #include "gc_implementation/g1/g1BlockOffsetTable.inline.hpp"
  27 #include "memory/space.hpp"
  28 #include "oops/oop.inline.hpp"
  29 #include "runtime/java.hpp"
  30 #include "services/memTracker.hpp"
  31 


  32 //////////////////////////////////////////////////////////////////////
  33 // G1BlockOffsetSharedArray
  34 //////////////////////////////////////////////////////////////////////
  35 
  36 G1BlockOffsetSharedArray::G1BlockOffsetSharedArray(MemRegion reserved,
  37                                                    size_t init_word_size) :
  38   _reserved(reserved), _end(NULL)
  39 {
  40   size_t size = compute_size(reserved.word_size());
  41   ReservedSpace rs(ReservedSpace::allocation_align_size_up(size));
  42   if (!rs.is_reserved()) {
  43     vm_exit_during_initialization("Could not reserve enough space for heap offset array");
  44   }
  45   if (!_vs.initialize(rs, 0)) {
  46     vm_exit_during_initialization("Could not reserve enough space for heap offset array");
  47   }
  48 
  49   MemTracker::record_virtual_memory_type((address)rs.base(), mtGC);
  50 
  51   _offset_array = (u_char*)_vs.low_boundary();

  12  * version 2 for more details (a copy is included in the LICENSE file that
  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 
  25 #include "precompiled.hpp"
  26 #include "gc_implementation/g1/g1BlockOffsetTable.inline.hpp"
  27 #include "memory/space.hpp"
  28 #include "oops/oop.inline.hpp"
  29 #include "runtime/java.hpp"
  30 #include "services/memTracker.hpp"
  31 
  32 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  33 
  34 //////////////////////////////////////////////////////////////////////
  35 // G1BlockOffsetSharedArray
  36 //////////////////////////////////////////////////////////////////////
  37 
  38 G1BlockOffsetSharedArray::G1BlockOffsetSharedArray(MemRegion reserved,
  39                                                    size_t init_word_size) :
  40   _reserved(reserved), _end(NULL)
  41 {
  42   size_t size = compute_size(reserved.word_size());
  43   ReservedSpace rs(ReservedSpace::allocation_align_size_up(size));
  44   if (!rs.is_reserved()) {
  45     vm_exit_during_initialization("Could not reserve enough space for heap offset array");
  46   }
  47   if (!_vs.initialize(rs, 0)) {
  48     vm_exit_during_initialization("Could not reserve enough space for heap offset array");
  49   }
  50 
  51   MemTracker::record_virtual_memory_type((address)rs.base(), mtGC);
  52 
  53   _offset_array = (u_char*)_vs.low_boundary();