sandmark.watermark.objectwm
Class objectUtil

java.lang.Object
  |
  +--sandmark.watermark.objectwm.objectUtil

public class objectUtil

extends java.lang.Object

Field Summary

de.fub.bytecode.generic.Instruction	bipushObj
de.fub.bytecode.generic.ClassGen	cgObj
de.fub.bytecode.generic.ConstantPoolGen	cpgObj
de.fub.bytecode.classfile.ConstantPool	cpObj
de.fub.bytecode.generic.FieldInstruction	getstaticObj
de.fub.bytecode.generic.InstructionHandle	ihEmbedStartObj
de.fub.bytecode.generic.InstructionList	instrListObj
de.fub.bytecode.classfile.JavaClass	jcObj
int	localIndexObj
static int	methodNameSuffix
de.fub.bytecode.generic.MethodGen	mgObj
de.fub.bytecode.generic.NEWARRAY	naObj
de.fub.bytecode.classfile.Method	oldmethod
de.fub.bytecode.classfile.ClassParser	pObj
de.fub.bytecode.generic.FieldInstruction	putstaticObj
de.fub.bytecode.generic.InstructionHandle	targetHandleObj

Constructor Summary

(package private)

objectUtil()

Method Summary

boolean	checkSplitVectorGrp(int instrIndex, de.fub.bytecode.generic.InstructionHandle[] instrHandles) This method checks whether the code to be inserted splits any existing vector groups
de.fub.bytecode.generic.Instruction	extractInstrType(java.lang.String instr) This method takes the opcode of the instruction as a String and returns the corresponding 'Instruction' object which is to be then used for insertion
de.fub.bytecode.generic.InstructionHandle	getCodeSubstPoint(java.lang.String[] instrGrp, int numInstr, java.lang.String[] origCodeStr) This method retrieves the point where code is to be substituted, provided we found the codebook instruction group in the app. code, else null is returned
void	getObjects(java.lang.String classfileName)
int	getOpaqueDeclPoint(int mIndex, opaquePred opaq) This method extracts a valid 'safe' point for opaque predicate declaration
java.lang.String	getTargetClassName()
boolean	remVecfreqUpdatesInThreshold(int numVectors, int currVecIndex, vectorUpdateCtrl vecObj) This method checks that the sideEffects of cloning a method is withing a particular threshold limit
void	setTargetClassName(java.lang.String className)
void	substituteNewCode(de.fub.bytecode.generic.InstructionHandle insertih, java.lang.String[] subInstr, int numInstr) This method is invoked from the newCode Insertion option
java.lang.String	transformCode(java.lang.String subInstr, java.lang.String className) Converts the received code to the actual code to be inserted by placing appropriate local variable indices etc etc
void	updateJarFileInfo()

Methods inherited from class java.lang.Object

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

Field Detail

methodNameSuffix

public static int methodNameSuffix

pObj

public de.fub.bytecode.classfile.ClassParser pObj

jcObj

public de.fub.bytecode.classfile.JavaClass jcObj

cgObj

public de.fub.bytecode.generic.ClassGen cgObj

cpObj

public de.fub.bytecode.classfile.ConstantPool cpObj

cpgObj

public de.fub.bytecode.generic.ConstantPoolGen cpgObj

mgObj

public de.fub.bytecode.generic.MethodGen mgObj

instrListObj

public de.fub.bytecode.generic.InstructionList instrListObj

putstaticObj

public de.fub.bytecode.generic.FieldInstruction putstaticObj

getstaticObj

public de.fub.bytecode.generic.FieldInstruction getstaticObj

naObj

public de.fub.bytecode.generic.NEWARRAY naObj

bipushObj

public de.fub.bytecode.generic.Instruction bipushObj

targetHandleObj

public de.fub.bytecode.generic.InstructionHandle targetHandleObj

ihEmbedStartObj

public de.fub.bytecode.generic.InstructionHandle ihEmbedStartObj

localIndexObj

public int localIndexObj

oldmethod

public de.fub.bytecode.classfile.Method oldmethod

Constructor Detail

objectUtil

objectUtil()

Method Detail

setTargetClassName

public void setTargetClassName(java.lang.String className)

getTargetClassName

public java.lang.String getTargetClassName()

extractInstrType

public de.fub.bytecode.generic.Instruction extractInstrType(java.lang.String instr)

This method takes the opcode of the instruction as a String and returns the corresponding 'Instruction' object which is to be then used for insertion

transformCode

public java.lang.String transformCode(java.lang.String subInstr,
                                      java.lang.String className)

Converts the received code to the actual code to be inserted by placing appropriate local variable indices etc etc

getOpaqueDeclPoint

public int getOpaqueDeclPoint(int mIndex,
                              opaquePred opaq)

This method extracts a valid 'safe' point for opaque predicate declaration

checkSplitVectorGrp

public boolean checkSplitVectorGrp(int instrIndex,
                                   de.fub.bytecode.generic.InstructionHandle[] instrHandles)

This method checks whether the code to be inserted splits any existing vector groups

remVecfreqUpdatesInThreshold

public boolean remVecfreqUpdatesInThreshold(int numVectors,
                                            int currVecIndex,
                                            vectorUpdateCtrl vecObj)

This method checks that the sideEffects of cloning a method is withing a particular threshold limit

getCodeSubstPoint

public de.fub.bytecode.generic.InstructionHandle getCodeSubstPoint(java.lang.String[] instrGrp,
                                                                   int numInstr,
                                                                   java.lang.String[] origCodeStr)
                                                            throws WatermarkingException,
                                                                   java.io.IOException,
                                                                   de.fub.bytecode.generic.TargetLostException

This method retrieves the point where code is to be substituted, provided we found the codebook instruction group in the app. code, else null is returned

WatermarkingException

java.io.IOException

de.fub.bytecode.generic.TargetLostException

substituteNewCode

public void substituteNewCode(de.fub.bytecode.generic.InstructionHandle insertih,
                              java.lang.String[] subInstr,
                              int numInstr)

This method is invoked from the newCode Insertion option

getObjects

public void getObjects(java.lang.String classfileName)

updateJarFileInfo

public void updateJarFileInfo()