ExceptionHandlerSetup getSetup(Type caughtType) {
      ExceptionHandlerSetup handler = setups.get(caughtType);
      if (handler == null) {
        int handlerSetupLabel = exceptionSetupLabelAllocator.getNextLabel();
        handler = new ExceptionHandlerSetup(caughtType, handlerSetupLabel);
        setups.put(caughtType, handler);
      }
      return handler;
    }
Get the {@link ExceptionHandlerSetup} corresponding to the given type. The
ExceptionHandlerSetup is created if this the first request for the given type.

@param caughtType {@code non-null;} the type catch by the requested setup
@return {@code non-null;} the handler setup block info for the given type
android/android_framework/dex-maker/src/main/java/com/android/dx/cf/code/Ropper.java