To define the start configuration for the Developer Studio in a flexible manner, you have the option of using all the other Eclipse start parameters.
For a description of the individual start parameters, refer to the Eclipse online documentation (“http://www.eclipse.org/documentation/”).
Only the –vmargs parameter for specifications on the Java VM is not supported in the Developer Studio. All the arguments listed under –vmargs are then grouped together instead in the file vm.parameters. Also read the corresponding note in the section: Setting the Java VM Using the - vm Parameter