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src/hotspot/share/classfile/dictionary.cpp

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  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  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/classLoaderData.inline.hpp"
  27 #include "classfile/sharedClassUtil.hpp"
  28 #include "classfile/dictionary.inline.hpp"
  29 #include "classfile/protectionDomainCache.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "classfile/systemDictionaryShared.hpp"
  32 #include "gc/shared/gcLocker.hpp"
  33 #include "logging/log.hpp"
  34 #include "logging/logStream.hpp"
  35 #include "memory/iterator.hpp"
  36 #include "memory/metaspaceClosure.hpp"
  37 #include "memory/resourceArea.hpp"
  38 #include "oops/oop.inline.hpp"
  39 #include "runtime/atomic.hpp"
  40 #include "runtime/orderAccess.inline.hpp"

  41 #include "utilities/hashtable.inline.hpp"
  42 
  43 // Optimization: if any dictionary needs resizing, we set this flag,
  44 // so that we dont't have to walk all dictionaries to check if any actually
  45 // needs resizing, which is costly to do at Safepoint.
  46 bool Dictionary::_some_dictionary_needs_resizing = false;
  47 
  48 size_t Dictionary::entry_size() {
  49   if (DumpSharedSpaces) {
  50     return SystemDictionaryShared::dictionary_entry_size();
  51   } else {
  52     return sizeof(DictionaryEntry);
  53   }
  54 }
  55 
  56 Dictionary::Dictionary(ClassLoaderData* loader_data, int table_size, bool resizable)
  57   : _loader_data(loader_data), _resizable(resizable), _needs_resizing(false),
  58   Hashtable<InstanceKlass*, mtClass>(table_size, (int)entry_size()) {
  59 };
  60 




  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  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/classLoaderData.inline.hpp"
  27 #include "classfile/sharedClassUtil.hpp"
  28 #include "classfile/dictionary.inline.hpp"
  29 #include "classfile/protectionDomainCache.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "classfile/systemDictionaryShared.hpp"

  32 #include "logging/log.hpp"
  33 #include "logging/logStream.hpp"
  34 #include "memory/iterator.hpp"
  35 #include "memory/metaspaceClosure.hpp"
  36 #include "memory/resourceArea.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "runtime/atomic.hpp"
  39 #include "runtime/orderAccess.inline.hpp"
  40 #include "runtime/safepointVerifiers.hpp"
  41 #include "utilities/hashtable.inline.hpp"
  42 
  43 // Optimization: if any dictionary needs resizing, we set this flag,
  44 // so that we dont't have to walk all dictionaries to check if any actually
  45 // needs resizing, which is costly to do at Safepoint.
  46 bool Dictionary::_some_dictionary_needs_resizing = false;
  47 
  48 size_t Dictionary::entry_size() {
  49   if (DumpSharedSpaces) {
  50     return SystemDictionaryShared::dictionary_entry_size();
  51   } else {
  52     return sizeof(DictionaryEntry);
  53   }
  54 }
  55 
  56 Dictionary::Dictionary(ClassLoaderData* loader_data, int table_size, bool resizable)
  57   : _loader_data(loader_data), _resizable(resizable), _needs_resizing(false),
  58   Hashtable<InstanceKlass*, mtClass>(table_size, (int)entry_size()) {
  59 };
  60 


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