21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "gc_implementation/parallelScavenge/objectStartArray.hpp"
28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
30 #include "gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp"
31 #include "gc_implementation/shared/liveRange.hpp"
32 #include "gc_implementation/shared/markSweep.inline.hpp"
33 #include "gc_implementation/shared/spaceDecorator.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "runtime/prefetch.inline.hpp"
36
37 PSMarkSweepDecorator* PSMarkSweepDecorator::_destination_decorator = NULL;
38
39
40 void PSMarkSweepDecorator::set_destination_decorator_tenured() {
41 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
42 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
43
44 _destination_decorator = heap->old_gen()->object_mark_sweep();
45 }
46
47 void PSMarkSweepDecorator::advance_destination_decorator() {
48 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
49 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
50
51 assert(_destination_decorator != NULL, "Sanity");
52
53 PSMarkSweepDecorator* first = heap->old_gen()->object_mark_sweep();
54 PSMarkSweepDecorator* second = heap->young_gen()->eden_mark_sweep();
55 PSMarkSweepDecorator* third = heap->young_gen()->from_mark_sweep();
56 PSMarkSweepDecorator* fourth = heap->young_gen()->to_mark_sweep();
57
58 if ( _destination_decorator == first ) {
59 _destination_decorator = second;
60 } else if ( _destination_decorator == second ) {
61 _destination_decorator = third;
62 } else if ( _destination_decorator == third ) {
63 _destination_decorator = fourth;
64 } else {
65 fatal("PSMarkSweep attempting to advance past last compaction area");
66 }
67 }
68
69 PSMarkSweepDecorator* PSMarkSweepDecorator::destination_decorator() {
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21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/systemDictionary.hpp"
27 #include "gc_implementation/parallelScavenge/objectStartArray.hpp"
28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
29 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
30 #include "gc_implementation/parallelScavenge/psMarkSweepDecorator.hpp"
31 #include "gc_implementation/shared/liveRange.hpp"
32 #include "gc_implementation/shared/markSweep.inline.hpp"
33 #include "gc_implementation/shared/spaceDecorator.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "runtime/prefetch.inline.hpp"
36
37 PSMarkSweepDecorator* PSMarkSweepDecorator::_destination_decorator = NULL;
38
39
40 void PSMarkSweepDecorator::set_destination_decorator_tenured() {
41 ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
42 _destination_decorator = heap->old_gen()->object_mark_sweep();
43 }
44
45 void PSMarkSweepDecorator::advance_destination_decorator() {
46 ParallelScavengeHeap* heap = ParallelScavengeHeap::heap();
47
48 assert(_destination_decorator != NULL, "Sanity");
49
50 PSMarkSweepDecorator* first = heap->old_gen()->object_mark_sweep();
51 PSMarkSweepDecorator* second = heap->young_gen()->eden_mark_sweep();
52 PSMarkSweepDecorator* third = heap->young_gen()->from_mark_sweep();
53 PSMarkSweepDecorator* fourth = heap->young_gen()->to_mark_sweep();
54
55 if ( _destination_decorator == first ) {
56 _destination_decorator = second;
57 } else if ( _destination_decorator == second ) {
58 _destination_decorator = third;
59 } else if ( _destination_decorator == third ) {
60 _destination_decorator = fourth;
61 } else {
62 fatal("PSMarkSweep attempting to advance past last compaction area");
63 }
64 }
65
66 PSMarkSweepDecorator* PSMarkSweepDecorator::destination_decorator() {
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