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#ifndef SHARE_GC_G1_G1FULLGCOOPCLOSURES_HPP
#define SHARE_GC_G1_G1FULLGCOOPCLOSURES_HPP
#include "gc/shared/verifyOption.hpp"
#include "memory/iterator.hpp"
class G1CollectedHeap;
class G1FullCollector;
class G1CMBitMap;
class G1FullGCMarker;
// Below are closures used by the G1 Full GC.
class G1IsAliveClosure : public BoolObjectClosure {
G1FullCollector* _collector;
G1CMBitMap* _bitmap;
public :
G1IsAliveClosure(G1FullCollector* collector);
G1IsAliveClosure(G1FullCollector* collector, G1CMBitMap* bitmap) :
_collector(collector), _bitmap(bitmap) { }
virtual bool do_object_b(oop p);
};
class G1FullKeepAliveClosure: public OopClosure {
G1FullGCMarker* _marker;
template <class T>
inline void do_oop_work(T* p);
public :
G1FullKeepAliveClosure(G1FullGCMarker* pm) : _marker(pm) { }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
};
class G1MarkAndPushClosure : public OopIterateClosure {
G1FullGCMarker* _marker;
uint _worker_id;
public :
G1MarkAndPushClosure(uint worker, G1FullGCMarker* marker, ReferenceDiscoverer* ref) :
OopIterateClosure(ref),
_marker(marker),
_worker_id(worker) { }
template <class T> inline void do_oop_work(T* p);
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
virtual bool do_metadata();
virtual void do_klass(Klass* k);
virtual void do_cld(ClassLoaderData* cld);
virtual void do_method(Method* m);
virtual void do_nmethod(nmethod* nm);
};
class G1AdjustClosure : public BasicOopIterateClosure {
G1FullCollector* _collector;
template <class T> inline void adjust_pointer(T* p);
public :
G1AdjustClosure(G1FullCollector* collector) : _collector(collector) { }
template <class T> void do_oop_work(T* p) { adjust_pointer(p); }
virtual void do_oop(oop* p);
virtual void do_oop(narrowOop* p);
virtual ReferenceIterationMode reference_iteration_mode() { return DO_FIELDS; }
};
class G1VerifyOopClosure: public BasicOopIterateClosure {
private :
G1CollectedHeap* _g1h;
bool _failures;
oop _containing_obj;
VerifyOption _verify_option;
public :
int _cc;
G1VerifyOopClosure(VerifyOption option);
void set_containing_obj(oop obj) {
_containing_obj = obj;
}
bool failures() { return _failures; }
void print_object(outputStream* out, oop obj);
template <class T> void do_oop_work(T* p);
void do_oop(oop* p) { do_oop_work(p); }
void do_oop(narrowOop* p) { do_oop_work(p); }
};
class G1FollowStackClosure: public VoidClosure {
G1FullGCMarker* _marker;
public :
G1FollowStackClosure(G1FullGCMarker* marker) : _marker(marker) {}
virtual void do_void();
};
#endif // SHARE_GC_G1_G1FULLGCOOPCLOSURES_HPP
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