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

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rev 11983 : 8166276: Refactor gen_process_roots to allow simpler fix for 8165949
Reviewed-by:
Contributed-by: jesper.wilhelmsson@oracle.com
rev 11984 : [mq]: 8072809-jesper-mik-rev
rev 11985 : 8165949: Serial and ConcMarkSweep do not unload strings when class unloading is disabled
Reviewed-by:
rev 11986 : [mq]: 8165949-on-jesper-mik-rev


 386  private:
 387   void process_roots(StrongRootsScope* scope,
 388                      ScanningOption so,
 389                      OopClosure* strong_roots,
 390                      OopClosure* weak_roots,
 391                      CLDClosure* strong_cld_closure,
 392                      CLDClosure* weak_cld_closure,
 393                      CodeBlobToOopClosure* code_roots);
 394 
 395  public:
 396   void young_process_roots(StrongRootsScope* scope,
 397                            OopsInGenClosure* root_closure,
 398                            OopsInGenClosure* old_gen_closure,
 399                            CLDClosure* cld_closure);
 400 
 401   // If "young_gen_as_roots" is false, younger generations are
 402   // not scanned as roots; in this case, the caller must be arranging to
 403   // scan the younger generations itself.  (For example, a generation might
 404   // explicitly mark reachable objects in younger generations, to avoid
 405   // excess storage retention.)
 406   void conc_process_roots(StrongRootsScope* scope,
 407                           bool young_gen_as_roots,
 408                           ScanningOption so,
 409                           bool only_strong_roots,
 410                           OopsInGenClosure* root_closure,
 411                           CLDClosure* cld_closure);
 412 
 413   void full_process_roots(StrongRootsScope* scope,
 414                           bool only_strong_roots,
 415                           ScanningOption so,
 416                           bool is_adjust_phase,
 417                           OopsInGenClosure* root_closure,
 418                           CLDClosure* cld_closure);
 419 
 420   // Apply "root_closure" to all the weak roots of the system.
 421   // These include JNI weak roots, string table,
 422   // and referents of reachable weak refs.
 423   void gen_process_weak_roots(OopClosure* root_closure);
 424 
 425   // Set the saved marks of generations, if that makes sense.
 426   // In particular, if any generation might iterate over the oops




 386  private:
 387   void process_roots(StrongRootsScope* scope,
 388                      ScanningOption so,
 389                      OopClosure* strong_roots,
 390                      OopClosure* weak_roots,
 391                      CLDClosure* strong_cld_closure,
 392                      CLDClosure* weak_cld_closure,
 393                      CodeBlobToOopClosure* code_roots);
 394 
 395  public:
 396   void young_process_roots(StrongRootsScope* scope,
 397                            OopsInGenClosure* root_closure,
 398                            OopsInGenClosure* old_gen_closure,
 399                            CLDClosure* cld_closure);
 400 
 401   // If "young_gen_as_roots" is false, younger generations are
 402   // not scanned as roots; in this case, the caller must be arranging to
 403   // scan the younger generations itself.  (For example, a generation might
 404   // explicitly mark reachable objects in younger generations, to avoid
 405   // excess storage retention.)
 406   void cms_process_roots(StrongRootsScope* scope,
 407                          bool young_gen_as_roots,
 408                          ScanningOption so,
 409                          bool only_strong_roots,
 410                          OopsInGenClosure* root_closure,
 411                          CLDClosure* cld_closure);
 412 
 413   void full_process_roots(StrongRootsScope* scope,
 414                           bool only_strong_roots,
 415                           ScanningOption so,
 416                           bool is_adjust_phase,
 417                           OopsInGenClosure* root_closure,
 418                           CLDClosure* cld_closure);
 419 
 420   // Apply "root_closure" to all the weak roots of the system.
 421   // These include JNI weak roots, string table,
 422   // and referents of reachable weak refs.
 423   void gen_process_weak_roots(OopClosure* root_closure);
 424 
 425   // Set the saved marks of generations, if that makes sense.
 426   // In particular, if any generation might iterate over the oops
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