--- old/src/share/vm/prims/jvmtiEnvBase.hpp	Tue Dec 22 22:01:17 2015
+++ new/src/share/vm/prims/jvmtiEnvBase.hpp	Tue Dec 22 22:01:17 2015
@@ -422,6 +422,7 @@
 };
 
 
+
 // VM operation to get object monitor usage.
 class VM_GetObjectMonitorUsage : public VM_Operation {
 private:
@@ -689,4 +690,21 @@
   jvmtiError error() { return _error;}
 };
 
+
+// Jvmti module closure to collect all modules loaded to the system.
+class JvmtiModuleClosure : public StackObj {
+private:
+  static GrowableArray<jobject> *_tbl; // Protected with Module_lock
+
+  static void do_module(ModuleEntry* entry) {
+    jobject module = entry->jlrM_module();
+    guarantee(module != NULL, "module object is NULL");
+    _tbl->push(module);
+  }
+
+public:
+  JvmtiModuleClosure(void) {}
+  jvmtiError get_all_modules(JvmtiEnv* env, jint* module_count_ptr, jobject** modules_ptr);
+};
+
 #endif // SHARE_VM_PRIMS_JVMTIENVBASE_HPP