sandmark.watermark.util
Class InsnCountMarker

java.lang.Object
  |
  +--sandmark.watermark.util.BasicBlockMarker
        |
        +--sandmark.watermark.util.StaticWriteParityMarker
              |
              +--sandmark.watermark.util.InsnCountMarker

public class InsnCountMarker

extends StaticWriteParityMarker

This class marks basic blocks with a one-bit value by manipulating the number of instructions in the block. An even number of instructions corresponds to 0; an odd number corresponds to 1.

See Also:

PutstaticCountMarker

Constructor Summary

InsnCountMarker(de.fub.bytecode.generic.ClassGen cg)

Method Summary

protected int

getParity(BasicBlock b) Returns either 0 or 1, based on whether the number of instructions in the given basic block is odd or even.

Methods inherited from class sandmark.watermark.util.StaticWriteParityMarker

capacityIsConstant, embed, getCapacity, methodGen, recognize

Methods inherited from class sandmark.watermark.util.BasicBlockMarker

embed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InsnCountMarker

public InsnCountMarker(de.fub.bytecode.generic.ClassGen cg)

Method Detail

getParity

protected int getParity(BasicBlock b)

Returns either 0 or 1, based on whether the number of instructions in the given basic block is odd or even.

Specified by:

getParity in class StaticWriteParityMarker