106   int _num_value_only_buckets;
 107   int _num_other_buckets;
 108   GrowableArray<Entry>** _buckets;
 109   CompactHashtableStats* _stats;
 110   Array<u4>* _compact_buckets;
 111   Array<u4>* _compact_entries;
 112 
 113 public:
 114   // This is called at dump-time only
 115   CompactHashtableWriter(int num_buckets, CompactHashtableStats* stats);
 116   ~CompactHashtableWriter();
 117 
 118   void add(unsigned int hash, u4 value);
 119 
 120 private:
 121   void allocate_table();
 122   void dump_table(NumberSeq* summary);
 123 
 124 public:
 125   void dump(SimpleCompactHashtable *cht, const char* table_name);









 126 };
 127 #endif // INCLUDE_CDS
 128 
 129 #define REGULAR_BUCKET_TYPE       0
 130 #define VALUE_ONLY_BUCKET_TYPE    1
 131 #define TABLEEND_BUCKET_TYPE      3
 132 #define BUCKET_OFFSET_MASK        0x3FFFFFFF
 133 #define BUCKET_OFFSET(info)       ((info) & BUCKET_OFFSET_MASK)
 134 #define BUCKET_TYPE_SHIFT         30
 135 #define BUCKET_TYPE(info)         (((info) & ~BUCKET_OFFSET_MASK) >> BUCKET_TYPE_SHIFT)
 136 #define BUCKET_INFO(offset, type) (((type) << BUCKET_TYPE_SHIFT) | ((offset) & BUCKET_OFFSET_MASK))
 137 
 138 /////////////////////////////////////////////////////////////////////////////
 139 //
 140 // CompactHashtable is used to store the CDS archive's symbol/string tables.
 141 //
 142 // Because these tables are read-only (no entries can be added/deleted) at run-time
 143 // and tend to have large number of entries, we try to minimize the footprint
 144 // cost per entry.
 145 //

 106   int _num_value_only_buckets;
 107   int _num_other_buckets;
 108   GrowableArray<Entry>** _buckets;
 109   CompactHashtableStats* _stats;
 110   Array<u4>* _compact_buckets;
 111   Array<u4>* _compact_entries;
 112 
 113 public:
 114   // This is called at dump-time only
 115   CompactHashtableWriter(int num_buckets, CompactHashtableStats* stats);
 116   ~CompactHashtableWriter();
 117 
 118   void add(unsigned int hash, u4 value);
 119 
 120 private:
 121   void allocate_table();
 122   void dump_table(NumberSeq* summary);
 123 
 124 public:
 125   void dump(SimpleCompactHashtable *cht, const char* table_name);
 126 
 127   static int default_num_buckets(size_t num_entries) {
 128     return default_num_buckets((int)num_entries);
 129   }
 130   static int default_num_buckets(int num_entries) {
 131     int num_buckets = num_entries / SharedSymbolTableBucketSize;
 132     // calculation of num_buckets can result in zero buckets, we need at least one
 133     return (num_buckets < 1) ? 1 : num_buckets;
 134   }
 135 };
 136 #endif // INCLUDE_CDS
 137 
 138 #define REGULAR_BUCKET_TYPE       0
 139 #define VALUE_ONLY_BUCKET_TYPE    1
 140 #define TABLEEND_BUCKET_TYPE      3
 141 #define BUCKET_OFFSET_MASK        0x3FFFFFFF
 142 #define BUCKET_OFFSET(info)       ((info) & BUCKET_OFFSET_MASK)
 143 #define BUCKET_TYPE_SHIFT         30
 144 #define BUCKET_TYPE(info)         (((info) & ~BUCKET_OFFSET_MASK) >> BUCKET_TYPE_SHIFT)
 145 #define BUCKET_INFO(offset, type) (((type) << BUCKET_TYPE_SHIFT) | ((offset) & BUCKET_OFFSET_MASK))
 146 
 147 /////////////////////////////////////////////////////////////////////////////
 148 //
 149 // CompactHashtable is used to store the CDS archive's symbol/string tables.
 150 //
 151 // Because these tables are read-only (no entries can be added/deleted) at run-time
 152 // and tend to have large number of entries, we try to minimize the footprint
 153 // cost per entry.
 154 //