515 young_gen()->object_iterate(cl);
516 old_gen()->object_iterate(cl);
517 }
518
519
520 HeapWord* ParallelScavengeHeap::block_start(const void* addr) const {
521 if (young_gen()->is_in_reserved(addr)) {
522 assert(young_gen()->is_in(addr),
523 "addr should be in allocated part of young gen");
524 // called from os::print_location by find or VMError
525 if (Debugging || VMError::fatal_error_in_progress()) return NULL;
526 Unimplemented();
527 } else if (old_gen()->is_in_reserved(addr)) {
528 assert(old_gen()->is_in(addr),
529 "addr should be in allocated part of old gen");
530 return old_gen()->start_array()->object_start((HeapWord*)addr);
531 }
532 return 0;
533 }
534
535 size_t ParallelScavengeHeap::block_size(const HeapWord* addr) const {
536 return oop(addr)->size();
537 }
538
539 bool ParallelScavengeHeap::block_is_obj(const HeapWord* addr) const {
540 return block_start(addr) == addr;
541 }
542
543 jlong ParallelScavengeHeap::millis_since_last_gc() {
544 return UseParallelOldGC ?
545 PSParallelCompact::millis_since_last_gc() :
546 PSMarkSweepProxy::millis_since_last_gc();
547 }
548
549 void ParallelScavengeHeap::prepare_for_verify() {
550 ensure_parsability(false); // no need to retire TLABs for verification
551 }
552
553 PSHeapSummary ParallelScavengeHeap::create_ps_heap_summary() {
554 PSOldGen* old = old_gen();
555 HeapWord* old_committed_end = (HeapWord*)old->virtual_space()->committed_high_addr();
556 VirtualSpaceSummary old_summary(old->reserved().start(), old_committed_end, old->reserved().end());
557 SpaceSummary old_space(old->reserved().start(), old_committed_end, old->used_in_bytes());
558
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515 young_gen()->object_iterate(cl);
516 old_gen()->object_iterate(cl);
517 }
518
519
520 HeapWord* ParallelScavengeHeap::block_start(const void* addr) const {
521 if (young_gen()->is_in_reserved(addr)) {
522 assert(young_gen()->is_in(addr),
523 "addr should be in allocated part of young gen");
524 // called from os::print_location by find or VMError
525 if (Debugging || VMError::fatal_error_in_progress()) return NULL;
526 Unimplemented();
527 } else if (old_gen()->is_in_reserved(addr)) {
528 assert(old_gen()->is_in(addr),
529 "addr should be in allocated part of old gen");
530 return old_gen()->start_array()->object_start((HeapWord*)addr);
531 }
532 return 0;
533 }
534
535 bool ParallelScavengeHeap::block_is_obj(const HeapWord* addr) const {
536 return block_start(addr) == addr;
537 }
538
539 jlong ParallelScavengeHeap::millis_since_last_gc() {
540 return UseParallelOldGC ?
541 PSParallelCompact::millis_since_last_gc() :
542 PSMarkSweepProxy::millis_since_last_gc();
543 }
544
545 void ParallelScavengeHeap::prepare_for_verify() {
546 ensure_parsability(false); // no need to retire TLABs for verification
547 }
548
549 PSHeapSummary ParallelScavengeHeap::create_ps_heap_summary() {
550 PSOldGen* old = old_gen();
551 HeapWord* old_committed_end = (HeapWord*)old->virtual_space()->committed_high_addr();
552 VirtualSpaceSummary old_summary(old->reserved().start(), old_committed_end, old->reserved().end());
553 SpaceSummary old_space(old->reserved().start(), old_committed_end, old->used_in_bytes());
554
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