Ejemplo n.º 1
0
 static void increment_with_loader(klassOop k, oop loader) {
   JvmtiGetLoadedClassesClosure* that = JvmtiGetLoadedClassesClosure::get_this();
   if (loader == JNIHandles::resolve(that->get_initiatingLoader())) {
     for (klassOop l = k; l != NULL; l = Klass::cast(l)->array_klass_or_null()) {
       that->set_count(that->get_count() + 1);
     }
   }
 }
Ejemplo n.º 2
0
 static void increment_with_loader(Klass* k, ClassLoaderData* loader_data) {
   JvmtiGetLoadedClassesClosure* that = JvmtiGetLoadedClassesClosure::get_this();
   oop class_loader = loader_data->class_loader();
   if (class_loader == JNIHandles::resolve(that->get_initiatingLoader())) {
     for (Klass* l = k; l != NULL; l = l->array_klass_or_null()) {
       that->set_count(that->get_count() + 1);
     }
   }
 }
Ejemplo n.º 3
0
jvmtiError
JvmtiGetLoadedClasses::getLoadedClasses(JvmtiEnv *env, jint* classCountPtr, jclass** classesPtr) {
  // Since SystemDictionary::classes_do only takes a function pointer
  // and doesn't call back with a closure data pointer,
  // we can only pass static methods.

  JvmtiGetLoadedClassesClosure closure;
  {
    // To get a consistent list of classes we need MultiArray_lock to ensure
    // array classes aren't created, and SystemDictionary_lock to ensure that
    // classes aren't added to the system dictionary,
    MutexLocker ma(MultiArray_lock);
    MutexLocker sd(SystemDictionary_lock);

    // First, count the classes
    SystemDictionary::classes_do(&JvmtiGetLoadedClassesClosure::increment);
    Universe::basic_type_classes_do(&JvmtiGetLoadedClassesClosure::increment);
    // Next, fill in the classes
    closure.allocate();
    SystemDictionary::classes_do(&JvmtiGetLoadedClassesClosure::add);
    Universe::basic_type_classes_do(&JvmtiGetLoadedClassesClosure::add);
    // Drop the SystemDictionary_lock, so the results could be wrong from here,
    // but we still have a snapshot.
  }
  // Post results
  jclass* result_list;
  jvmtiError err = env->Allocate(closure.get_count() * sizeof(jclass),
                                 (unsigned char**)&result_list);
  if (err != JVMTI_ERROR_NONE) {
    return err;
  }
  closure.extract(env, result_list);
  *classCountPtr = closure.get_count();
  *classesPtr = result_list;
  return JVMTI_ERROR_NONE;
}
Ejemplo n.º 4
0
 static void prim_array_increment_with_loader(klassOop array, oop loader) {
   JvmtiGetLoadedClassesClosure* that = JvmtiGetLoadedClassesClosure::get_this();
   if (loader == JNIHandles::resolve(that->get_initiatingLoader())) {
     that->set_count(that->get_count() + 1);
   }
 }