68     G1RP_PS_NumElements
  69   };
  70 
  71   void worker_has_discovered_all_strong_classes();
  72   void wait_until_all_strong_classes_discovered();
  73 
  74   void process_java_roots(OopClosure* scan_non_heap_roots,
  75                           CLDClosure* thread_stack_clds,
  76                           CLDClosure* scan_strong_clds,
  77                           CLDClosure* scan_weak_clds,
  78                           CodeBlobClosure* scan_strong_code,
  79                           G1GCPhaseTimes* phase_times,
  80                           uint worker_i);
  81 
  82   void process_vm_roots(OopClosure* scan_non_heap_roots,
  83                         OopClosure* scan_non_heap_weak_roots,
  84                         G1GCPhaseTimes* phase_times,
  85                         uint worker_i);
  86 
  87 public:
  88   G1RootProcessor(G1CollectedHeap* g1h);
  89 
  90   // Apply closures to the strongly and weakly reachable roots in the system
  91   // in a single pass.
  92   // Record and report timing measurements for sub phases using the worker_i
  93   void evacuate_roots(OopClosure* scan_non_heap_roots,
  94                       OopClosure* scan_non_heap_weak_roots,
  95                       CLDClosure* scan_strong_clds,
  96                       CLDClosure* scan_weak_clds,
  97                       bool trace_metadata,
  98                       uint worker_i);
  99 
 100   // Apply oops, clds and blobs to all strongly reachable roots in the system
 101   void process_strong_roots(OopClosure* oops,
 102                             CLDClosure* clds,
 103                             CodeBlobClosure* blobs);
 104 
 105   // Apply oops, clds and blobs to strongly and weakly reachable roots in the system
 106   void process_all_roots(OopClosure* oops,
 107                          CLDClosure* clds,
 108                          CodeBlobClosure* blobs);
 109 
 110   // Apply scan_rs to all locations in the union of the remembered sets for all
 111   // regions in the collection set
 112   // (having done "set_region" to indicate the region in which the root resides),
 113   void scan_remembered_sets(G1ParPushHeapRSClosure* scan_rs,
 114                             OopClosure* scan_non_heap_weak_roots,
 115                             uint worker_i);
 116 
 117   // Inform the root processor about the number of worker threads
 118   void set_num_workers(uint active_workers);



 119 };
 120 
 121 #endif // SHARE_VM_GC_G1_G1ROOTPROCESSOR_HPP

  68     G1RP_PS_NumElements
  69   };
  70 
  71   void worker_has_discovered_all_strong_classes();
  72   void wait_until_all_strong_classes_discovered();
  73 
  74   void process_java_roots(OopClosure* scan_non_heap_roots,
  75                           CLDClosure* thread_stack_clds,
  76                           CLDClosure* scan_strong_clds,
  77                           CLDClosure* scan_weak_clds,
  78                           CodeBlobClosure* scan_strong_code,
  79                           G1GCPhaseTimes* phase_times,
  80                           uint worker_i);
  81 
  82   void process_vm_roots(OopClosure* scan_non_heap_roots,
  83                         OopClosure* scan_non_heap_weak_roots,
  84                         G1GCPhaseTimes* phase_times,
  85                         uint worker_i);
  86 
  87 public:
  88   G1RootProcessor(G1CollectedHeap* g1h, uint n_workers);
  89 
  90   // Apply closures to the strongly and weakly reachable roots in the system
  91   // in a single pass.
  92   // Record and report timing measurements for sub phases using the worker_i
  93   void evacuate_roots(OopClosure* scan_non_heap_roots,
  94                       OopClosure* scan_non_heap_weak_roots,
  95                       CLDClosure* scan_strong_clds,
  96                       CLDClosure* scan_weak_clds,
  97                       bool trace_metadata,
  98                       uint worker_i);
  99 
 100   // Apply oops, clds and blobs to all strongly reachable roots in the system
 101   void process_strong_roots(OopClosure* oops,
 102                             CLDClosure* clds,
 103                             CodeBlobClosure* blobs);
 104 
 105   // Apply oops, clds and blobs to strongly and weakly reachable roots in the system
 106   void process_all_roots(OopClosure* oops,
 107                          CLDClosure* clds,
 108                          CodeBlobClosure* blobs);
 109 
 110   // Apply scan_rs to all locations in the union of the remembered sets for all
 111   // regions in the collection set
 112   // (having done "set_region" to indicate the region in which the root resides),
 113   void scan_remembered_sets(G1ParPushHeapRSClosure* scan_rs,
 114                             OopClosure* scan_non_heap_weak_roots,
 115                             uint worker_i);
 116 
 117   // Inform SubTaskDone about the number of worker threads.
 118   void set_num_workers(uint active_workers);
 119 
 120   // Number of worker threads used by the root processor.
 121   uint n_workers() const;
 122 };
 123 
 124 #endif // SHARE_VM_GC_G1_G1ROOTPROCESSOR_HPP