Module openj9.dtfj

Package com.ibm.j9ddr.corereaders.tdump.zebedee.le

Interface FunctionEmulator.CallbackFunction

Enclosing class:

FunctionEmulator

public static interface FunctionEmulator.CallbackFunction

This interface is similar to Emulator.CallbackFunction except that it adds the ability to set the return value from the function (which is XPLINK specific).

Method Summary

Modifier and Type	Method	Description
long	call(FunctionEmulator em)	This method will be called when the emulator finds a call to the registered function entry point (see FunctionEmulator.registerCallbackFunction(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator.CallbackFunction)).

Method Details

call

long call(FunctionEmulator em)
   throws IOException,
FunctionEmulator.CallOriginalException

This method will be called when the emulator finds a call to the registered function entry point (see FunctionEmulator.registerCallbackFunction(com.ibm.j9ddr.corereaders.tdump.zebedee.le.FunctionEmulator.CallbackFunction)). The return value from this method represents the return value that the emulator sees after it has made the call. If the called method throws CallOriginalException then execution will resume with the original overridden function.

Throws:

IOException

FunctionEmulator.CallOriginalException