src/share/vm/prims/jvm.cpp

*** 1521,1530 ****
--- 1521,1556 ----
    // the system could allow a spoof of an inner class to gain access rights.
    Reflection::check_for_inner_class(outer_klass, k, *inner_is_member, CHECK_NULL);
    return outer_klass();
  }
  
+ JVM_ENTRY(jstring, JVM_GetSimpleBinaryName(JNIEnv *env, jclass cls))
+ {
+   oop mirror = JNIHandles::resolve_non_null(cls);
+   if (java_lang_Class::is_primitive(mirror) ||
+       !java_lang_Class::as_Klass(mirror)->oop_is_instance()) {
+     return NULL;
+   }
+   instanceKlassHandle k(THREAD, InstanceKlass::cast(java_lang_Class::as_Klass(mirror)));
+   constantPoolHandle i_cp(thread, k->constants());
+   for (InnerClassesIterator iter(k); !iter.done(); iter.next()) {
+     int ioff = iter.inner_class_info_index();
+     int ooff = iter.outer_class_info_index();
+     int noff = iter.inner_name_index();
+     if (noff != 0 && ioff != 0 && i_cp->klass_name_at_matches(k, ioff)) {
+       Klass* inner_klass = i_cp->klass_at(ioff, CHECK_NULL);
+       if (k() == inner_klass) {
+         Symbol* name = i_cp->symbol_at(noff);
+         Handle str = java_lang_String::create_from_symbol(name, CHECK_NULL);
+         return (jstring) JNIHandles::make_local(env, str());
+       }
+     }
+   }
+   return NULL;
+ }
+ JVM_END
+ 
  JVM_ENTRY(jstring, JVM_GetClassSignature(JNIEnv *env, jclass cls))
    assert (cls != NULL, "illegal class");
    JVMWrapper("JVM_GetClassSignature");
    JvmtiVMObjectAllocEventCollector oam;
    ResourceMark rm(THREAD);