1032 
1033 #if COMPILER2_OR_JVMCI
1034     DerivedPointerTable::clear();
1035 #endif
1036 
1037     ref_processor()->start_discovery(clear_all_soft_refs);
1038 
1039     ClassUnloadingContext ctx(1 /* num_nmethod_unlink_workers */,
1040                               false /* unregister_nmethods_during_purge */,
1041                               false /* lock_nmethod_free_separately */);
1042 
1043     marking_phase(&_gc_tracer);
1044 
1045     summary_phase();
1046 
1047 #if COMPILER2_OR_JVMCI
1048     assert(DerivedPointerTable::is_active(), "Sanity");
1049     DerivedPointerTable::set_active(false);
1050 #endif
1051 


1052     forward_to_new_addr();
1053 
1054     adjust_pointers();
1055 
1056     compact();
1057 


1058     ParCompactionManager::_preserved_marks_set->restore(&ParallelScavengeHeap::heap()->workers());
1059 
1060     ParCompactionManager::verify_all_region_stack_empty();
1061 
1062     // Reset the mark bitmap, summary data, and do other bookkeeping.  Must be
1063     // done before resizing.
1064     post_compact();
1065 
1066     // Let the size policy know we're done
1067     size_policy->major_collection_end(old_gen->used_in_bytes(), gc_cause);
1068 
1069     if (UseAdaptiveSizePolicy) {
1070       log_debug(gc, ergo)("AdaptiveSizeStart: collection: %d ", heap->total_collections());
1071       log_trace(gc, ergo)("old_gen_capacity: " SIZE_FORMAT " young_gen_capacity: " SIZE_FORMAT,
1072                           old_gen->capacity_in_bytes(), young_gen->capacity_in_bytes());
1073 
1074       // Don't check if the size_policy is ready here.  Let
1075       // the size_policy check that internally.
1076       if (UseAdaptiveGenerationSizePolicyAtMajorCollection &&
1077           AdaptiveSizePolicy::should_update_promo_stats(gc_cause)) {

1032 
1033 #if COMPILER2_OR_JVMCI
1034     DerivedPointerTable::clear();
1035 #endif
1036 
1037     ref_processor()->start_discovery(clear_all_soft_refs);
1038 
1039     ClassUnloadingContext ctx(1 /* num_nmethod_unlink_workers */,
1040                               false /* unregister_nmethods_during_purge */,
1041                               false /* lock_nmethod_free_separately */);
1042 
1043     marking_phase(&_gc_tracer);
1044 
1045     summary_phase();
1046 
1047 #if COMPILER2_OR_JVMCI
1048     assert(DerivedPointerTable::is_active(), "Sanity");
1049     DerivedPointerTable::set_active(false);
1050 #endif
1051 
1052     FullGCForwarding::begin();
1053 
1054     forward_to_new_addr();
1055 
1056     adjust_pointers();
1057 
1058     compact();
1059 
1060     FullGCForwarding::end();
1061 
1062     ParCompactionManager::_preserved_marks_set->restore(&ParallelScavengeHeap::heap()->workers());
1063 
1064     ParCompactionManager::verify_all_region_stack_empty();
1065 
1066     // Reset the mark bitmap, summary data, and do other bookkeeping.  Must be
1067     // done before resizing.
1068     post_compact();
1069 
1070     // Let the size policy know we're done
1071     size_policy->major_collection_end(old_gen->used_in_bytes(), gc_cause);
1072 
1073     if (UseAdaptiveSizePolicy) {
1074       log_debug(gc, ergo)("AdaptiveSizeStart: collection: %d ", heap->total_collections());
1075       log_trace(gc, ergo)("old_gen_capacity: " SIZE_FORMAT " young_gen_capacity: " SIZE_FORMAT,
1076                           old_gen->capacity_in_bytes(), young_gen->capacity_in_bytes());
1077 
1078       // Don't check if the size_policy is ready here.  Let
1079       // the size_policy check that internally.
1080       if (UseAdaptiveGenerationSizePolicyAtMajorCollection &&
1081           AdaptiveSizePolicy::should_update_promo_stats(gc_cause)) {