15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/altHashing.hpp"
  27 #include "classfile/compactHashtable.inline.hpp"
  28 #include "classfile/javaClasses.hpp"
  29 #include "classfile/symbolTable.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "gc/shared/collectedHeap.inline.hpp"
  32 #include "gc/shared/gcLocker.inline.hpp"
  33 #include "memory/allocation.inline.hpp"
  34 #include "memory/filemap.hpp"

  35 #include "oops/oop.inline.hpp"
  36 #include "runtime/atomic.inline.hpp"
  37 #include "runtime/mutexLocker.hpp"
  38 #include "utilities/hashtable.inline.hpp"
  39 
  40 // --------------------------------------------------------------------------
  41 // the number of buckets a thread claims
  42 const int ClaimChunkSize = 32;
  43 
  44 SymbolTable* SymbolTable::_the_table = NULL;
  45 // Static arena for symbols that are not deallocated
  46 Arena* SymbolTable::_arena = NULL;
  47 bool SymbolTable::_needs_rehashing = false;
  48 bool SymbolTable::_lookup_shared_first = false;
  49 
  50 CompactHashtable<Symbol*, char> SymbolTable::_shared_table;
  51 
  52 Symbol* SymbolTable::allocate_symbol(const u1* name, int len, bool c_heap, TRAPS) {
  53   assert (len <= Symbol::max_length(), "should be checked by caller");
  54 

  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/altHashing.hpp"
  27 #include "classfile/compactHashtable.inline.hpp"
  28 #include "classfile/javaClasses.hpp"
  29 #include "classfile/symbolTable.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "gc/shared/collectedHeap.inline.hpp"
  32 #include "gc/shared/gcLocker.inline.hpp"
  33 #include "memory/allocation.inline.hpp"
  34 #include "memory/filemap.hpp"
  35 #include "memory/resourceArea.hpp"
  36 #include "oops/oop.inline.hpp"
  37 #include "runtime/atomic.inline.hpp"
  38 #include "runtime/mutexLocker.hpp"
  39 #include "utilities/hashtable.inline.hpp"
  40 
  41 // --------------------------------------------------------------------------
  42 // the number of buckets a thread claims
  43 const int ClaimChunkSize = 32;
  44 
  45 SymbolTable* SymbolTable::_the_table = NULL;
  46 // Static arena for symbols that are not deallocated
  47 Arena* SymbolTable::_arena = NULL;
  48 bool SymbolTable::_needs_rehashing = false;
  49 bool SymbolTable::_lookup_shared_first = false;
  50 
  51 CompactHashtable<Symbol*, char> SymbolTable::_shared_table;
  52 
  53 Symbol* SymbolTable::allocate_symbol(const u1* name, int len, bool c_heap, TRAPS) {
  54   assert (len <= Symbol::max_length(), "should be checked by caller");
  55