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src/share/vm/gc/shared/genCollectedHeap.hpp

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 381   // "SO_None" does none;
 382   enum ScanningOption {
 383     SO_None                =  0x0,
 384     SO_AllCodeCache        =  0x8,
 385     SO_ScavengeCodeCache   = 0x10
 386   };
 387 
 388  private:
 389   void process_roots(StrongRootsScope* scope,
 390                      ScanningOption so,
 391                      OopClosure* strong_roots,
 392                      OopClosure* weak_roots,
 393                      CLDClosure* strong_cld_closure,
 394                      CLDClosure* weak_cld_closure,
 395                      CodeBlobClosure* code_roots);
 396 
 397  public:
 398   static const bool StrongAndWeakRoots = false;
 399   static const bool StrongRootsOnly    = true;
 400 
 401   void gen_process_roots(StrongRootsScope* scpe,
 402                          int level,
 403                          bool younger_gens_as_roots,
 404                          ScanningOption so,
 405                          bool only_strong_roots,
 406                          OopsInGenClosure* not_older_gens,
 407                          OopsInGenClosure* older_gens,
 408                          CLDClosure* cld_closure);
 409 
 410   // Apply "root_closure" to all the weak roots of the system.
 411   // These include JNI weak roots, string table,
 412   // and referents of reachable weak refs.
 413   void gen_process_weak_roots(OopClosure* root_closure);
 414 
 415   // Set the saved marks of generations, if that makes sense.
 416   // In particular, if any generation might iterate over the oops
 417   // in other generations, it should call this method.
 418   void save_marks();
 419 
 420   // Apply "cur->do_oop" or "older->do_oop" to all the oops in objects
 421   // allocated since the last call to save_marks in generations at or above




 381   // "SO_None" does none;
 382   enum ScanningOption {
 383     SO_None                =  0x0,
 384     SO_AllCodeCache        =  0x8,
 385     SO_ScavengeCodeCache   = 0x10
 386   };
 387 
 388  private:
 389   void process_roots(StrongRootsScope* scope,
 390                      ScanningOption so,
 391                      OopClosure* strong_roots,
 392                      OopClosure* weak_roots,
 393                      CLDClosure* strong_cld_closure,
 394                      CLDClosure* weak_cld_closure,
 395                      CodeBlobClosure* code_roots);
 396 
 397  public:
 398   static const bool StrongAndWeakRoots = false;
 399   static const bool StrongRootsOnly    = true;
 400 
 401   void gen_process_roots(StrongRootsScope* scope,
 402                          int level,
 403                          bool younger_gens_as_roots,
 404                          ScanningOption so,
 405                          bool only_strong_roots,
 406                          OopsInGenClosure* not_older_gens,
 407                          OopsInGenClosure* older_gens,
 408                          CLDClosure* cld_closure);
 409 
 410   // Apply "root_closure" to all the weak roots of the system.
 411   // These include JNI weak roots, string table,
 412   // and referents of reachable weak refs.
 413   void gen_process_weak_roots(OopClosure* root_closure);
 414 
 415   // Set the saved marks of generations, if that makes sense.
 416   // In particular, if any generation might iterate over the oops
 417   // in other generations, it should call this method.
 418   void save_marks();
 419 
 420   // Apply "cur->do_oop" or "older->do_oop" to all the oops in objects
 421   // allocated since the last call to save_marks in generations at or above


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