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/g1CardCounts.hpp"
  27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
  29 #include "gc_implementation/g1/g1GCPhaseTimes.hpp"
  30 #include "memory/cardTableModRefBS.hpp"
  31 #include "services/memTracker.hpp"
  32 #include "utilities/copy.hpp"
  33 


  34 void G1CardCounts::clear_range(size_t from_card_num, size_t to_card_num) {
  35   if (has_count_table()) {
  36     assert(from_card_num >= 0 && from_card_num < _committed_max_card_num,
  37            err_msg("from card num out of range: "SIZE_FORMAT, from_card_num));
  38     assert(from_card_num < to_card_num,
  39            err_msg("Wrong order? from: " SIZE_FORMAT ", to: "SIZE_FORMAT,
  40                    from_card_num, to_card_num));
  41     assert(to_card_num <= _committed_max_card_num,
  42            err_msg("to card num out of range: "
  43                    "to: "SIZE_FORMAT ", "
  44                    "max: "SIZE_FORMAT,
  45                    to_card_num, _committed_max_card_num));
  46 
  47     to_card_num = MIN2(_committed_max_card_num, to_card_num);
  48 
  49     Copy::fill_to_bytes(&_card_counts[from_card_num], (to_card_num - from_card_num));
  50   }
  51 }
  52 
  53 G1CardCounts::G1CardCounts(G1CollectedHeap *g1h):

  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/g1CardCounts.hpp"
  27 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc_implementation/g1/g1CollectorPolicy.hpp"
  29 #include "gc_implementation/g1/g1GCPhaseTimes.hpp"
  30 #include "memory/cardTableModRefBS.hpp"
  31 #include "services/memTracker.hpp"
  32 #include "utilities/copy.hpp"
  33 
  34 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  35 
  36 void G1CardCounts::clear_range(size_t from_card_num, size_t to_card_num) {
  37   if (has_count_table()) {
  38     assert(from_card_num >= 0 && from_card_num < _committed_max_card_num,
  39            err_msg("from card num out of range: "SIZE_FORMAT, from_card_num));
  40     assert(from_card_num < to_card_num,
  41            err_msg("Wrong order? from: " SIZE_FORMAT ", to: "SIZE_FORMAT,
  42                    from_card_num, to_card_num));
  43     assert(to_card_num <= _committed_max_card_num,
  44            err_msg("to card num out of range: "
  45                    "to: "SIZE_FORMAT ", "
  46                    "max: "SIZE_FORMAT,
  47                    to_card_num, _committed_max_card_num));
  48 
  49     to_card_num = MIN2(_committed_max_card_num, to_card_num);
  50 
  51     Copy::fill_to_bytes(&_card_counts[from_card_num], (to_card_num - from_card_num));
  52   }
  53 }
  54 
  55 G1CardCounts::G1CardCounts(G1CollectedHeap *g1h):