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src/hotspot/share/gc/g1/g1FullGCOopClosures.inline.hpp

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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_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 


  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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