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.hpp"
  28 #include "classfile/javaClasses.hpp"
  29 #include "classfile/symbolTable.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "gc_interface/collectedHeap.inline.hpp"
  32 #include "memory/allocation.inline.hpp"
  33 #include "memory/filemap.hpp"
  34 #include "memory/gcLocker.inline.hpp"
  35 #include "oops/oop.inline.hpp"
  36 #include "oops/oop.inline2.hpp"
  37 #include "runtime/atomic.inline.hpp"
  38 #include "runtime/mutexLocker.hpp"
  39 #include "utilities/hashtable.inline.hpp"
  40 
  41 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  42 
  43 // --------------------------------------------------------------------------
  44 // the number of buckets a thread claims
  45 const int ClaimChunkSize = 32;
  46 
  47 SymbolTable* SymbolTable::_the_table = NULL;
  48 // Static arena for symbols that are not deallocated
  49 Arena* SymbolTable::_arena = NULL;
  50 bool SymbolTable::_needs_rehashing = false;
  51 bool SymbolTable::_lookup_shared_first = false;
  52 
  53 CompactHashtable<Symbol*, char> SymbolTable::_shared_table;
  54 
  55 Symbol* SymbolTable::allocate_symbol(const u1* name, int len, bool c_heap, TRAPS) {
  56   assert (len <= Symbol::max_length(), "should be checked by caller");

  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.hpp"
  28 #include "classfile/javaClasses.hpp"
  29 #include "classfile/symbolTable.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "gc_interface/collectedHeap.inline.hpp"
  32 #include "memory/allocation.inline.hpp"
  33 #include "memory/filemap.hpp"
  34 #include "memory/gcLocker.inline.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 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  41 
  42 // --------------------------------------------------------------------------
  43 // the number of buckets a thread claims
  44 const int ClaimChunkSize = 32;
  45 
  46 SymbolTable* SymbolTable::_the_table = NULL;
  47 // Static arena for symbols that are not deallocated
  48 Arena* SymbolTable::_arena = NULL;
  49 bool SymbolTable::_needs_rehashing = false;
  50 bool SymbolTable::_lookup_shared_first = false;
  51 
  52 CompactHashtable<Symbol*, char> SymbolTable::_shared_table;
  53 
  54 Symbol* SymbolTable::allocate_symbol(const u1* name, int len, bool c_heap, TRAPS) {
  55   assert (len <= Symbol::max_length(), "should be checked by caller");