51 inline bool G1MarkAndPushClosure::do_metadata() {
52 return true;
53 }
54
55 inline void G1MarkAndPushClosure::do_klass(Klass* k) {
56 _marker->follow_klass(k);
57 }
58
59 inline void G1MarkAndPushClosure::do_cld(ClassLoaderData* cld) {
60 _marker->follow_cld(cld);
61 }
62
63 template <class T> inline void G1AdjustClosure::adjust_pointer(T* p) {
64 T heap_oop = RawAccess<>::oop_load(p);
65 if (CompressedOops::is_null(heap_oop)) {
66 return;
67 }
68
69 oop obj = CompressedOops::decode_not_null(heap_oop);
70 assert(Universe::heap()->is_in(obj), "should be in heap");
71 if (G1ArchiveAllocator::is_archive_object(obj)) {
72 // We never forward archive objects.
73 return;
74 }
75
76 oop forwardee = obj->forwardee();
77 if (forwardee == NULL) {
78 // Not forwarded, return current reference.
79 assert(obj->mark_raw() == markOopDesc::prototype_for_object(obj) || // Correct mark
80 obj->mark_raw()->must_be_preserved(obj) || // Will be restored by PreservedMarksSet
81 (UseBiasedLocking && obj->has_bias_pattern_raw()), // Will be restored by BiasedLocking
82 "Must have correct prototype or be preserved, obj: " PTR_FORMAT ", mark: " PTR_FORMAT ", prototype: " PTR_FORMAT,
83 p2i(obj), p2i(obj->mark_raw()), p2i(markOopDesc::prototype_for_object(obj)));
84 return;
85 }
86
87 // Forwarded, just update.
88 assert(Universe::heap()->is_in_reserved(forwardee), "should be in object space");
89 RawAccess<IS_NOT_NULL>::oop_store(p, forwardee);
90 }
91
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51 inline bool G1MarkAndPushClosure::do_metadata() {
52 return true;
53 }
54
55 inline void G1MarkAndPushClosure::do_klass(Klass* k) {
56 _marker->follow_klass(k);
57 }
58
59 inline void G1MarkAndPushClosure::do_cld(ClassLoaderData* cld) {
60 _marker->follow_cld(cld);
61 }
62
63 template <class T> inline void G1AdjustClosure::adjust_pointer(T* p) {
64 T heap_oop = RawAccess<>::oop_load(p);
65 if (CompressedOops::is_null(heap_oop)) {
66 return;
67 }
68
69 oop obj = CompressedOops::decode_not_null(heap_oop);
70 assert(Universe::heap()->is_in(obj), "should be in heap");
71 if (G1ArchiveAllocator::is_archived_object(obj)) {
72 // We never forward archive objects.
73 return;
74 }
75
76 oop forwardee = obj->forwardee();
77 if (forwardee == NULL) {
78 // Not forwarded, return current reference.
79 assert(obj->mark_raw() == markOopDesc::prototype_for_object(obj) || // Correct mark
80 obj->mark_raw()->must_be_preserved(obj) || // Will be restored by PreservedMarksSet
81 (UseBiasedLocking && obj->has_bias_pattern_raw()), // Will be restored by BiasedLocking
82 "Must have correct prototype or be preserved, obj: " PTR_FORMAT ", mark: " PTR_FORMAT ", prototype: " PTR_FORMAT,
83 p2i(obj), p2i(obj->mark_raw()), p2i(markOopDesc::prototype_for_object(obj)));
84 return;
85 }
86
87 // Forwarded, just update.
88 assert(Universe::heap()->is_in_reserved(forwardee), "should be in object space");
89 RawAccess<IS_NOT_NULL>::oop_store(p, forwardee);
90 }
91
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