JSR / RET

[Jens Danker <da...@rbg.informatik.tu-darmstadt.de>]

Hi, 

I have a problem with the JSR / RET combination. How have to look the code to store the return address pushed by the JSR instruction?

My NOT working code looks like this:

        // Return address type
        Type returnType = ReturnaddressType.NO_TARGET;

        // Create local variable
        LocalVariableGen lvRetPC = mg.addLocalVariable("RetPC", returnType, null, null);

        // Store jsr return program counter value and set valid from here
        InstructionHandle store = il.append(factory.createStore(returnType, lvRetPC.getIndex()));

        ...

        il.append(new RET(lvRetPC.getIndex()) ;
           

When running this code I got an exception which says that BCEL can't handle the store, because it don't know the return address type.

What's wrong?

Jens



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