unifiedOopRef.hpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#ifndef SHARE_JFR_LEAKPROFILER_UTILITIES_UNIFIEDOOPREF_HPP
#define SHARE_JFR_LEAKPROFILER_UTILITIES_UNIFIEDOOPREF_HPP

#include "oops/oopsHierarchy.hpp"
#include "utilities/globalDefinitions.hpp"

struct UnifiedOopRef {
  uintptr_t _value;

  template <typename T>
  T addr() const;

  bool is_narrow() const;
  bool is_native() const;
  bool is_null() const;

  oop dereference() const;

  static UnifiedOopRef encode_in_native(const narrowOop* ref);
  static UnifiedOopRef encode_in_native(const oop* ref);
  static UnifiedOopRef encode_in_heap(const oop* ref);
  static UnifiedOopRef encode_in_heap(const narrowOop* ref);
  static UnifiedOopRef encode_null();
};

#endif // SHARE_JFR_LEAKPROFILER_UTILITIES_UNIFIEDOOPREF_HPP