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src/share/vm/memory/defNewGeneration.cpp

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  31 #include "gc_implementation/shared/gcTrace.hpp"
  32 #include "gc_implementation/shared/spaceDecorator.hpp"
  33 #include "memory/defNewGeneration.inline.hpp"
  34 #include "memory/gcLocker.inline.hpp"
  35 #include "memory/genCollectedHeap.hpp"
  36 #include "memory/genOopClosures.inline.hpp"
  37 #include "memory/genRemSet.hpp"
  38 #include "memory/generationSpec.hpp"
  39 #include "memory/iterator.hpp"
  40 #include "memory/referencePolicy.hpp"
  41 #include "memory/space.inline.hpp"
  42 #include "oops/instanceRefKlass.hpp"
  43 #include "oops/oop.inline.hpp"
  44 #include "runtime/atomic.inline.hpp"
  45 #include "runtime/java.hpp"
  46 #include "runtime/prefetch.inline.hpp"
  47 #include "runtime/thread.inline.hpp"
  48 #include "utilities/copy.hpp"
  49 #include "utilities/globalDefinitions.hpp"
  50 #include "utilities/stack.inline.hpp"



  51 
  52 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  53 
  54 //
  55 // DefNewGeneration functions.
  56 
  57 // Methods of protected closure types.
  58 
  59 DefNewGeneration::IsAliveClosure::IsAliveClosure(Generation* g) : _g(g) {
  60   assert(g->level() == 0, "Optimized for youngest gen.");
  61 }
  62 bool DefNewGeneration::IsAliveClosure::do_object_b(oop p) {
  63   return (HeapWord*)p >= _g->reserved().end() || p->is_forwarded();
  64 }
  65 
  66 DefNewGeneration::KeepAliveClosure::
  67 KeepAliveClosure(ScanWeakRefClosure* cl) : _cl(cl) {
  68   GenRemSet* rs = GenCollectedHeap::heap()->rem_set();
  69   _rs = (CardTableRS*)rs;
  70 }




  31 #include "gc_implementation/shared/gcTrace.hpp"
  32 #include "gc_implementation/shared/spaceDecorator.hpp"
  33 #include "memory/defNewGeneration.inline.hpp"
  34 #include "memory/gcLocker.inline.hpp"
  35 #include "memory/genCollectedHeap.hpp"
  36 #include "memory/genOopClosures.inline.hpp"
  37 #include "memory/genRemSet.hpp"
  38 #include "memory/generationSpec.hpp"
  39 #include "memory/iterator.hpp"
  40 #include "memory/referencePolicy.hpp"
  41 #include "memory/space.inline.hpp"
  42 #include "oops/instanceRefKlass.hpp"
  43 #include "oops/oop.inline.hpp"
  44 #include "runtime/atomic.inline.hpp"
  45 #include "runtime/java.hpp"
  46 #include "runtime/prefetch.inline.hpp"
  47 #include "runtime/thread.inline.hpp"
  48 #include "utilities/copy.hpp"
  49 #include "utilities/globalDefinitions.hpp"
  50 #include "utilities/stack.inline.hpp"
  51 #if INCLUDE_ALL_GCS
  52 #include "gc_implementation/parNew/parOopClosures.hpp"
  53 #endif
  54 
  55 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  56 
  57 //
  58 // DefNewGeneration functions.
  59 
  60 // Methods of protected closure types.
  61 
  62 DefNewGeneration::IsAliveClosure::IsAliveClosure(Generation* g) : _g(g) {
  63   assert(g->level() == 0, "Optimized for youngest gen.");
  64 }
  65 bool DefNewGeneration::IsAliveClosure::do_object_b(oop p) {
  66   return (HeapWord*)p >= _g->reserved().end() || p->is_forwarded();
  67 }
  68 
  69 DefNewGeneration::KeepAliveClosure::
  70 KeepAliveClosure(ScanWeakRefClosure* cl) : _cl(cl) {
  71   GenRemSet* rs = GenCollectedHeap::heap()->rem_set();
  72   _rs = (CardTableRS*)rs;
  73 }


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