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src/hotspot/share/gc/shared/generationSpec.hpp

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  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
  26 #define SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
  27 
  28 #include "gc/shared/generation.hpp"
  29 #include "utilities/align.hpp"
  30 
  31 // The specification of a generation.  This class also encapsulates
  32 // some generation-specific behavior.  This is done here rather than as a
  33 // virtual function of Generation because these methods are needed in
  34 // initialization of the Generations.
  35 class GenerationSpec : public CHeapObj<mtGC> {
  36   friend class VMStructs;
  37 private:
  38   Generation::Name _name;
  39   size_t           _init_size;

  40   size_t           _max_size;
  41 
  42 public:
  43   GenerationSpec(Generation::Name name, size_t init_size, size_t max_size, size_t alignment) :
  44     _name(name),
  45     _init_size(align_up(init_size, alignment)),

  46     _max_size(align_up(max_size, alignment))
  47   { }
  48 
  49   Generation* init(ReservedSpace rs, CardTableRS* remset);
  50 
  51   // Accessors
  52   Generation::Name name()        const { return _name; }
  53   size_t init_size()             const { return _init_size; }
  54   void set_init_size(size_t size)      { _init_size = size; }
  55   size_t max_size()              const { return _max_size; }
  56   void set_max_size(size_t size)       { _max_size = size; }
  57 };
  58 
  59 typedef GenerationSpec* GenerationSpecPtr;
  60 
  61 #endif // SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP


  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
  26 #define SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
  27 
  28 #include "gc/shared/generation.hpp"
  29 #include "utilities/align.hpp"
  30 
  31 // The specification of a generation.  This class also encapsulates
  32 // some generation-specific behavior.  This is done here rather than as a
  33 // virtual function of Generation because these methods are needed in
  34 // initialization of the Generations.
  35 class GenerationSpec : public CHeapObj<mtGC> {
  36   friend class VMStructs;
  37 private:
  38   Generation::Name _name;
  39   size_t           _init_size;
  40   size_t           _min_size;
  41   size_t           _max_size;
  42 
  43 public:
  44   GenerationSpec(Generation::Name name, size_t init_size, size_t min_size, size_t max_size, size_t alignment) :
  45     _name(name),
  46     _init_size(align_up(init_size, alignment)),
  47     _min_size(align_up(min_size, alignment)),
  48     _max_size(align_up(max_size, alignment))
  49   { }
  50 
  51   Generation* init(ReservedSpace rs, CardTableRS* remset);
  52 
  53   // Accessors
  54   Generation::Name name()        const { return _name; }
  55   size_t init_size()             const { return _init_size; }

  56   size_t max_size()              const { return _max_size; }

  57 };
  58 
  59 typedef GenerationSpec* GenerationSpecPtr;
  60 
  61 #endif // SHARE_VM_GC_SHARED_GENERATIONSPEC_HPP
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