8292680: Convert Dictionary to ConcurrentHashTable

Reviewed-by: rehn, hseigel

Author: coleenp

src/hotspot/share/ci/ciEnv.cpp

@@ -376,7 +376,7 @@ ciInstance* ciEnv::get_or_create_exception(jobject& handle, Symbol* name) {
   VM_ENTRY_MARK;
   if (handle == NULL) {
     // Cf. universe.cpp, creation of Universe::_null_ptr_exception_instance.
-    InstanceKlass* ik = SystemDictionary::find_instance_klass(name, Handle(), Handle());
+    InstanceKlass* ik = SystemDictionary::find_instance_klass(THREAD, name, Handle(), Handle());
     jobject objh = NULL;
     if (ik != NULL) {
       oop obj = ik->allocate_instance(THREAD);
@@ -529,7 +529,7 @@ ciKlass* ciEnv::get_klass_by_name_impl(ciKlass* accessing_klass,
     if (!require_local) {
       kls = SystemDictionary::find_constrained_instance_or_array_klass(current, sym, loader);
     } else {
-      kls = SystemDictionary::find_instance_or_array_klass(sym, loader, domain);
+      kls = SystemDictionary::find_instance_or_array_klass(current, sym, loader, domain);
     }
     found_klass = kls;
   }

src/hotspot/share/classfile/classLoaderDataGraph.cpp

@@ -572,18 +572,6 @@ void ClassLoaderDataGraph::purge(bool at_safepoint) {
   }
 }
 
-int ClassLoaderDataGraph::resize_dictionaries() {
-  assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint!");
-  int resized = 0;
-  assert (Dictionary::does_any_dictionary_needs_resizing(), "some dictionary should need resizing");
-  FOR_ALL_DICTIONARY(cld) {
-    if (cld->dictionary()->resize_if_needed()) {
-      resized++;
-    }
-  }
-  return resized;
-}
-
 ClassLoaderDataGraphKlassIteratorAtomic::ClassLoaderDataGraphKlassIteratorAtomic()
     : _next_klass(NULL) {
   assert(SafepointSynchronize::is_at_safepoint(), "must be at safepoint!");

src/hotspot/share/classfile/classLoaderDataGraph.hpp

@@ -104,8 +104,6 @@ class ClassLoaderDataGraph : public AllStatic {
   static void print_dictionary(outputStream* st);
   static void print_table_statistics(outputStream* st);
 
-  static int resize_dictionaries();
-
   static bool has_metaspace_oom()           { return _metaspace_oom; }
   static void set_metaspace_oom(bool value) { _metaspace_oom = value; }