this.agents = VM_CommandLineArgs.getArgs(VM_CommandLineArgs.JAVAAGENT_ARG);
  MainThread(String args[]) {    super(args); // special constructor to create thread that has no parent    this.args = args;    this.vmdata.isMainThread = true;    //-#if RVM_WITH_OSR    this.vmdata.isSystemThread = false;    //-#endif    if (dbg) VM.sysWriteln("MainThread(args.length == ", args.length,                         "): constructor done");      }