src/hotspot/share/gc/shared/referenceProcessor.cpp

rev 49944 : imported patch 8201492-properly-implement-non-contiguous-reference-processing
rev 49945 : imported patch 8201492-stefanj-review

*** 130,157 ****
    }
  
    setup_policy(false /* default soft ref policy */);
  }
  
- SpanReferenceProcessor::SpanReferenceProcessor(MemRegion span,
-                                                          bool      mt_processing,
-                                                          uint      mt_processing_degree,
-                                                          bool      mt_discovery,
-                                                          uint      mt_discovery_degree,
-                                                          bool      atomic_discovery,
-                                                          BoolObjectClosure* is_alive_non_header)  :
-   ReferenceProcessor(&_span_based_discoverer,
-                      mt_processing,
-                      mt_processing_degree,
-                      mt_discovery,
-                      mt_discovery_degree,
-                      atomic_discovery,
-                      is_alive_non_header),
-   _span_based_discoverer(span) {
- 
- }
- 
  #ifndef PRODUCT
  void ReferenceProcessor::verify_no_references_recorded() {
    guarantee(!_discovering_refs, "Discovering refs?");
    for (uint i = 0; i < _max_num_q * number_of_subclasses_of_ref(); i++) {
      guarantee(_discovered_refs[i].is_empty(),
--- 130,139 ----
*** 972,983 ****
           INTPTR_FORMAT " during %satomic discovery ",
           p2i(referent), p2i(obj), da ? "" : "non-");
  }
  #endif
  
! template <class T>
! bool ReferenceProcessor::is_subject_to_discovery(T const obj) const {
    return _is_subject_to_discovery->do_object_b(obj);
  }
  
  // We mention two of several possible choices here:
  // #0: if the reference object is not in the "originating generation"
--- 954,964 ----
           INTPTR_FORMAT " during %satomic discovery ",
           p2i(referent), p2i(obj), da ? "" : "non-");
  }
  #endif
  
! bool ReferenceProcessor::is_subject_to_discovery(oop const obj) const {
    return _is_subject_to_discovery->do_object_b(obj);
  }
  
  // We mention two of several possible choices here:
  // #0: if the reference object is not in the "originating generation"