src/hotspot/share/services/diagnosticCommand.cpp

*** 94,103 ****
--- 94,104 ----
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemDictionaryDCmd>(full_export, true, false));
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<metaspace::MetaspaceDCmd>(full_export, true, false));
+   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintClassLayoutDCmd>(full_export, true, false));
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<EventLogDCmd>(full_export, true, false));
  #if INCLUDE_JVMTI // Both JVMTI and SERVICES have to be enabled to have this dcmd
    DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JVMTIAgentLoadDCmd>(full_export, true, false));
  #endif // INCLUDE_JVMTI
  #endif // INCLUDE_SERVICES
*** 1075,1084 ****
--- 1076,1108 ----
    }
  }
  
  #endif
  
+ PrintClassLayoutDCmd::PrintClassLayoutDCmd(outputStream* output, bool heap) :
+                                        DCmdWithParser(output, heap),
+   _classname("classname", "Name of class whose layout should be printed. ",
+              "STRING", true) {
+   _dcmdparser.add_dcmd_argument(&_classname);
+ }
+ 
+ void PrintClassLayoutDCmd::execute(DCmdSource source, TRAPS) {
+   VM_PrintClassLayout printClassLayoutOp(output(), _classname.value());
+   VMThread::execute(&printClassLayoutOp);
+ }
+ 
+ int PrintClassLayoutDCmd::num_arguments() {
+   ResourceMark rm;
+   PrintClassLayoutDCmd* dcmd = new PrintClassLayoutDCmd(NULL, false);
+   if (dcmd != NULL) {
+     DCmdMark mark(dcmd);
+     return dcmd->_dcmdparser.num_arguments();
+   } else {
+     return 0;
+   }
+ }
+ 
  class VM_DumpTouchedMethods : public VM_Operation {
  private:
    outputStream* _out;
  public:
    VM_DumpTouchedMethods(outputStream* out) {