Merge branch 'master' of github.com:wala/WALA

This commit is contained in:
Julian Dolby 2018-10-03 09:02:26 -04:00
commit 31cf42674a
31 changed files with 260 additions and 51 deletions

View File

@ -256,7 +256,7 @@ public class AstJavaSSAPropagationCallGraphBuilder extends AstSSAPropagationCall
System.err.println(("class is " + klass + ", enclosing is " + enclosingClass + ", method is " + node.getMethod()));
if (node.getMethod().isSynthetic()) {
if (node.getMethod().isWalaSynthetic()) {
return;
}

View File

@ -85,6 +85,11 @@ abstract public class AstClass implements IClass, ClassConstants {
return false;
}
@Override
public boolean isSynthetic() {
return false;
}
@Override
public int getModifiers() {
return modifiers;

View File

@ -91,6 +91,11 @@ abstract public class AstFunctionClass implements IClass, ClassConstants {
return false;
}
@Override
public boolean isSynthetic() {
return false;
}
@Override
public int getModifiers() {
return ACC_PUBLIC;

View File

@ -267,6 +267,11 @@ public abstract class AstMethod implements IMethod {
return qualifiers.contains(CAstQualifier.NATIVE);
}
@Override
public boolean isWalaSynthetic() {
return false;
}
@Override
public boolean isSynthetic() {
return false;

View File

@ -141,7 +141,7 @@ public class FactoryBypassInterpreter extends AbstractReflectionInterpreter {
if (node == null) {
throw new IllegalArgumentException("node is null");
}
if (node.getMethod().isSynthetic()) {
if (node.getMethod().isWalaSynthetic()) {
SyntheticMethod s = (SyntheticMethod) node.getMethod();
if (s.isFactoryMethod()) {
return getTypesForContext(node.getContext()) != null;

View File

@ -38,7 +38,7 @@ class FactoryContextSelector implements ContextSelector {
if (callee == null) {
throw new IllegalArgumentException("callee is null");
}
if (callee.isSynthetic()) {
if (callee.isWalaSynthetic()) {
SyntheticMethod s = (SyntheticMethod) callee;
if (s.isFactoryMethod()) {
return new CallStringContext(new CallString(site, caller.getMethod()));

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@ -371,6 +371,11 @@ public class ArrayClass implements IClass, Constants {
return false;
}
@Override
public boolean isSynthetic() {
return false;
}
@Override
public Reader getSource() {
return null;

View File

@ -46,7 +46,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return getCallSites(sm.getStatements());
} else {
@ -62,7 +62,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return getFieldsRead(sm.getStatements());
} else {
@ -78,7 +78,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return getFieldsWritten(sm.getStatements());
} else {
@ -95,7 +95,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return getArraysWritten(sm.getStatements());
} else {
@ -111,7 +111,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return getNewSites(sm.getStatements());
} else {
@ -123,7 +123,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return hasObjectArrayLoad(sm.getStatements());
} else {
@ -135,7 +135,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return hasObjectArrayStore(sm.getStatements());
} else {
@ -147,7 +147,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return getCaughtExceptions(sm.getStatements());
} else {
@ -166,7 +166,7 @@ public class CodeScanner {
if (m == null) {
throw new IllegalArgumentException("m is null");
}
if (m.isSynthetic()) {
if (m.isWalaSynthetic()) {
SyntheticMethod sm = (SyntheticMethod) m;
return iterateCastTypes(sm.getStatements());
} else {

View File

@ -54,6 +54,11 @@ public interface IClass extends IClassHierarchyDweller {
*/
boolean isPrivate();
/**
* @return true iff this class is synthetic, i.e., compiler-generated
*/
boolean isSynthetic();
/**
* Return the integer that encodes the class's modifiers, as defined by the JVM specification
*

View File

@ -43,7 +43,14 @@ public interface IMethod extends IMember, ContextItem {
boolean isNative();
/**
* Did someone synthesize this method? (As opposed to reading it from a class file)
* Is the implementation of this method a model generated by WALA?
* For compiler-generated synthetic methods, refer to {@link #isSynthetic()}
*/
boolean isWalaSynthetic();
/**
* Is this method synthetic, i.e., compiler-generated (this refers to the
* synthetic flag in java/dex bytecode)
*/
boolean isSynthetic();

View File

@ -65,6 +65,15 @@ public abstract class JVMClass<T extends IClassLoader> extends BytecodeClass<T>
return result;
}
/*
* @see com.ibm.wala.classLoader.IClass#isSynthetic()
*/
@Override
public boolean isSynthetic() {
boolean result = ((modifiers & Constants.ACC_SYNTHETIC) != 0);
return result;
}
/**
* @see com.ibm.wala.classLoader.IClass#getClassInitializer()
*/

View File

@ -441,7 +441,10 @@ public abstract class ShrikeBTMethod implements IMethod, BytecodeConstants {
}
@Override
public boolean isSynthetic() {
public boolean isSynthetic() { return ((getModifiers() & Constants.ACC_SYNTHETIC) != 0); }
@Override
public boolean isWalaSynthetic() {
return false;
}

View File

@ -95,6 +95,16 @@ public abstract class SyntheticClass implements IClass {
return false;
}
/*
* These classes are generated by WALA, not by any
* compiler, therefore it always returns false
* @see com.ibm.wala.classLoader.IClass#isSynthetic()
*/
@Override
public boolean isSynthetic() {
return false;
}
/*
* @see com.ibm.wala.classLoader.IClass#getReference()
*/
@ -123,7 +133,7 @@ public abstract class SyntheticClass implements IClass {
public boolean isArrayClass() {
return false;
}
@Override
public IClassHierarchy getClassHierarchy() {
return cha;

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@ -153,12 +153,20 @@ public class SyntheticMethod implements IMethod {
return false;
}
/**
* @see com.ibm.wala.classLoader.IMethod#isWalaSynthetic()
*/
@Override
public boolean isWalaSynthetic() {
return true;
}
/**
* @see com.ibm.wala.classLoader.IMethod#isSynthetic()
*/
@Override
public boolean isSynthetic() {
return true;
return false;
}
/**

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@ -102,7 +102,7 @@ public class SimpleMemoryAccessMap implements MemoryAccessMap {
private void populate(CGNode n) {
// we analyze bytecodes to avoid the cost of IR construction, except
// for synthetic methods, where we must use the synthetic IR
if (ALWAYS_BUILD_IR || n.getMethod().isSynthetic()) {
if (ALWAYS_BUILD_IR || n.getMethod().isWalaSynthetic()) {
if (DEBUG) {
System.err.println("synthetic method");
}

View File

@ -184,7 +184,7 @@ public abstract class BasicCallGraph<T> extends AbstractNumberedGraph<CGNode> im
protected NodeImpl(IMethod method, Context C) {
this.method = method;
this.context = C;
if (method != null && !method.isSynthetic() && method.isAbstract()) {
if (method != null && !method.isWalaSynthetic() && method.isAbstract()) {
assert !method.isAbstract() : "Abstract method " + method;
}
assert C != null;

View File

@ -297,7 +297,7 @@ public class ExplicitCallGraph extends BasicCallGraph<SSAContextInterpreter> imp
@Override
public IR getIR() {
if (getMethod().isSynthetic()) {
if (getMethod().isWalaSynthetic()) {
// disable local cache in this case, as context interpreters
// do weird things like mutate IRs
return getCallGraph().getInterpreter(this).getIR(this);
@ -312,7 +312,7 @@ public class ExplicitCallGraph extends BasicCallGraph<SSAContextInterpreter> imp
@Override
public DefUse getDU() {
if (getMethod().isSynthetic()) {
if (getMethod().isWalaSynthetic()) {
// disable local cache in this case, as context interpreters
// do weird things like mutate IRs
return getCallGraph().getInterpreter(this).getDU(this);

View File

@ -40,7 +40,7 @@ public class DefaultIRFactory implements IRFactory<IMethod> {
if (method == null) {
throw new IllegalArgumentException("method cannot be null");
}
if (method.isSynthetic()) {
if (method.isWalaSynthetic()) {
return syntheticFactory.makeCFG((SyntheticMethod) method);
} else if (method instanceof IBytecodeMethod) {
@SuppressWarnings("unchecked")
@ -61,7 +61,7 @@ public class DefaultIRFactory implements IRFactory<IMethod> {
if (method == null) {
throw new IllegalArgumentException("method cannot be null");
}
if (method.isSynthetic()) {
if (method.isWalaSynthetic()) {
return syntheticFactory.makeIR((SyntheticMethod) method, c, options);
} else if (method instanceof IBytecodeMethod) {
@SuppressWarnings("unchecked")
@ -81,7 +81,7 @@ public class DefaultIRFactory implements IRFactory<IMethod> {
if (method == null) {
throw new IllegalArgumentException("null method");
}
if (method.isSynthetic()) {
if (method.isWalaSynthetic()) {
return syntheticFactory.contextIsIrrelevant((SyntheticMethod) method);
} else if (method instanceof ShrikeCTMethod) {
// we know ShrikeFactory contextIsIrrelevant

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@ -21,4 +21,5 @@ Export-Package: com.ibm.wala.dalvik.drivers,
com.ibm.wala.dalvik.test.callGraph,
com.ibm.wala.dalvik.test.callGraph.droidbench,
com.ibm.wala.dalvik.test.ir,
com.ibm.wala.dalvik.test.cha,
com.ibm.wala.dalvik.test.util

Binary file not shown.

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@ -144,15 +144,20 @@ public abstract class DroidBenchCGTest extends DalvikCallGraphTestBase {
}
public static Collection<Object[]> generateData(final URI[] androidLibs, final File androidJavaJar, final String filter) {
String f = walaProperties.getProperty("droidbench.root");
if (f == null || !new File(f).exists()) {
f = "/tmp/DroidBench";
}
System.err.println("Use " + f + " as droid bench root");
assert new File(f).exists() : "Use " + f + " as droid bench root";
assert new File(f + "/apk/").exists() : "Use " + f + " as droid bench root";
return generateData(f, androidLibs, androidJavaJar, filter);
return generateData(getDroidBenchRoot(), androidLibs, androidJavaJar, filter);
}
public static String getDroidBenchRoot(){
String f = walaProperties.getProperty("droidbench.root");
if (f == null || !new File(f).exists()) {
f = "/tmp/DroidBench";
}
System.err.println("Use " + f + " as droid bench root");
assert new File(f).exists() : "Use " + f + " as droid bench root";
assert new File(f + "/apk/").exists() : "Use " + f + " as droid bench root";
return f;
}
public static Collection<Object[]> generateData(String droidBenchRoot, final URI[] androidLibs, final File androidJavaJar, final String filter) {

View File

@ -63,9 +63,9 @@ public class JVMLDalvikComparisonTest extends DalvikCallGraphTestBase {
private static Set<Pair<CGNode,CGNode>> edgeDiff(CallGraph from, CallGraph to, boolean userOnly) {
Set<Pair<CGNode,CGNode>> result = HashSetFactory.make();
for(CGNode f : from) {
if (! f.getMethod().isSynthetic()) {
if (! f.getMethod().isWalaSynthetic()) {
outer: for(CGNode t : from) {
if (!t.getMethod().isSynthetic() &&
if (!t.getMethod().isWalaSynthetic() &&
from.hasEdge(f, t) &&
(!userOnly ||
!t.getMethod().getDeclaringClass().getClassLoader().getReference().equals(ClassLoaderReference.Primordial)))

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@ -0,0 +1,99 @@
package com.ibm.wala.dalvik.test.cha;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.dalvik.classLoader.DexFileModule;
import com.ibm.wala.dalvik.test.callGraph.DroidBenchCGTest;
import com.ibm.wala.dalvik.test.util.Util;
import com.ibm.wala.ipa.callgraph.AnalysisScope;
import com.ibm.wala.ipa.cha.ClassHierarchy;
import com.ibm.wala.ipa.cha.ClassHierarchyException;
import com.ibm.wala.ipa.cha.ClassHierarchyFactory;
import com.ibm.wala.types.ClassLoaderReference;
import com.ibm.wala.util.config.AnalysisScopeReader;
import org.jf.dexlib2.DexFileFactory;
import org.jf.dexlib2.Opcodes;
import org.jf.dexlib2.dexbacked.DexBackedDexFile;
import org.jf.dexlib2.iface.MultiDexContainer;
import org.junit.Assert;
import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
public class MultiDexScopeTest {
private static void addAPKtoScope(ClassLoaderReference loader, AnalysisScope scope, String fileName){
File apkFile = new File(fileName);
MultiDexContainer<? extends DexBackedDexFile> multiDex = null;
try {
multiDex = DexFileFactory.loadDexContainer(apkFile, Opcodes.forApi(24));
} catch (IOException e) {
throw new RuntimeException(e);
}
try{
for (String dexEntry : multiDex.getDexEntryNames()) {
System.out.println("Adding dex file: " +dexEntry + " of file:" + fileName);
scope.addToScope(loader, new DexFileModule(apkFile, dexEntry,24));
}
}catch (IOException e){
throw new RuntimeException(e);
}
}
private static AnalysisScope setUpTestScope(String apkName, String exclusions, ClassLoader loader) throws IOException {
AnalysisScope scope;
scope = AnalysisScopeReader.readJavaScope("primordial.txt", new File(exclusions), loader);
scope.setLoaderImpl(ClassLoaderReference.Application,
"com.ibm.wala.dalvik.classLoader.WDexClassLoaderImpl");
addAPKtoScope(ClassLoaderReference.Application, scope, apkName);
return scope;
}
private static int getNumberOfAppClasses(ClassHierarchy cha){
Iterator<IClass> classes = cha.iterator();
int numberOfClasses = 0;
while(classes.hasNext()){
if(classes.next().getClassLoader().getName().toString().equals("Application"))
numberOfClasses++;
}
return numberOfClasses;
}
@Test
public void testAPK() throws ClassHierarchyException, IOException {
AnalysisScope scope, scope2;
ClassHierarchy cha, cha2;
String testAPK = DroidBenchCGTest.getDroidBenchRoot() + "/apk/Aliasing/Merge1.apk";
scope = setUpTestScope(testAPK,"", MultiDexScopeTest.class.getClassLoader());
cha = ClassHierarchyFactory.make(scope);
scope2 = Util.makeDalvikScope(null,null, testAPK);
cha2 = ClassHierarchyFactory.make(scope2);
Assert.assertEquals(Integer.valueOf(getNumberOfAppClasses(cha)), Integer.valueOf(getNumberOfAppClasses(cha2)));
}
@Test
public void testMultiDex() throws ClassHierarchyException, IOException {
AnalysisScope scope, scope2;
ClassHierarchy cha, cha2;
String multidexApk = "data/multidex-test.apk";
scope = setUpTestScope(multidexApk,"", MultiDexScopeTest.class.getClassLoader());
cha = ClassHierarchyFactory.make(scope);
scope2 = Util.makeDalvikScope(null,null, multidexApk);
cha2 = ClassHierarchyFactory.make(scope2);
Assert.assertEquals(Integer.valueOf(getNumberOfAppClasses(cha)),Integer.valueOf(5));
Assert.assertNotEquals(Integer.valueOf(getNumberOfAppClasses(cha)), Integer.valueOf(getNumberOfAppClasses(cha2)));
}
}

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@ -79,7 +79,7 @@ org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
org.eclipse.jdt.core.compiler.problem.pessimisticNullAnalysisForFreeTypeVariables=error
org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
org.eclipse.jdt.core.compiler.problem.potentialNullReference=ignore
org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=error
org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=warning
org.eclipse.jdt.core.compiler.problem.rawTypeReference=error
org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=error
org.eclipse.jdt.core.compiler.problem.redundantNullCheck=error

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@ -120,6 +120,30 @@ public class DexFileModule implements Module {
}
}
/**
* @param f
* the .dex or .apk file
* @param entry
* the name of the .dex file inside the apk
* @param apiLevel
* the api level wanted
* @throws IllegalArgumentException
*/
public DexFileModule(File f, String entry, int apiLevel) throws IllegalArgumentException {
try {
this.f = f;
dexfile = DexFileFactory.loadDexEntry(f, entry,true, Opcodes.forApi(apiLevel));
} catch (IOException e) {
throw new IllegalArgumentException(e);
}
// create ModuleEntries from ClassDefItem
entries = new HashSet<>();
for (ClassDef cdefitems : dexfile.getClasses()) {
entries.add(new DexModuleEntry(cdefitems, this));
}
}
/**
* @return The DexFile associated to this module.
*/

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@ -51,6 +51,7 @@ import static org.jf.dexlib2.AccessFlags.ABSTRACT;
import static org.jf.dexlib2.AccessFlags.INTERFACE;
import static org.jf.dexlib2.AccessFlags.PRIVATE;
import static org.jf.dexlib2.AccessFlags.PUBLIC;
import static org.jf.dexlib2.AccessFlags.SYNTHETIC;
import java.util.ArrayList;
import java.util.Collection;
@ -229,6 +230,13 @@ public class DexIClass extends BytecodeClass<IClassLoader> {
return (modifiers & ABSTRACT.getValue()) != 0;
}
/*
* @see com.ibm.wala.classLoader.IClass#isAbstract()
*/
@Override
public boolean isSynthetic() {
return (modifiers & SYNTHETIC.getValue()) != 0;
}
/*
* (non-Javadoc)

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@ -59,6 +59,7 @@ import static org.jf.dexlib2.AccessFlags.PROTECTED;
import static org.jf.dexlib2.AccessFlags.PUBLIC;
import static org.jf.dexlib2.AccessFlags.STATIC;
import static org.jf.dexlib2.AccessFlags.VOLATILE;
import static org.jf.dexlib2.AccessFlags.SYNTHETIC;
import java.util.ArrayList;
import java.util.Collection;
@ -508,13 +509,20 @@ public class DexIMethod implements IBytecodeMethod<Instruction> {
/*
* (non-Javadoc)
* @see com.ibm.wala.classLoader.IMethod#isSynthetic()
* @see com.ibm.wala.classLoader.IMethod#isWalaSynthetic()
*/
@Override
public boolean isSynthetic() {
public boolean isWalaSynthetic() {
return false;
}
/*
* (non-Javadoc)
* @see com.ibm.wala.classLoader.IMethod#isSynthetic()
*/
@Override
public boolean isSynthetic() { return (eMethod.getAccessFlags() & SYNTHETIC.getValue()) != 0; }
/*
* (non-Javadoc)
* @see com.ibm.wala.classLoader.IMember#isStatic()

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@ -33,16 +33,19 @@ public class AndroidAnalysisScope {
public static AnalysisScope setUpAndroidAnalysisScope(URI classpath, String exclusions, ClassLoader loader, URI... androidLib) throws IOException {
AnalysisScope scope;
File exclusionsFile = exclusions != null? new File(exclusions) : null;
if (androidLib == null || androidLib.length == 0) {
scope = AnalysisScopeReader.readJavaScope(BASIC_FILE, new File(exclusions), loader);
scope = AnalysisScopeReader.readJavaScope(BASIC_FILE, exclusionsFile, loader);
} else {
scope = AnalysisScope.createJavaAnalysisScope();
File exclusionsFile = new File(exclusions);
try (final InputStream fs = exclusionsFile.exists()? new FileInputStream(exclusionsFile): FileProvider.class.getClassLoader().getResourceAsStream(exclusionsFile.getName())) {
scope.setExclusions(new FileOfClasses(fs));
}
if (exclusionsFile != null) {
try (final InputStream fs = exclusionsFile.exists() ? new FileInputStream(exclusionsFile) : FileProvider.class.getClassLoader().getResourceAsStream(exclusionsFile.getName())) {
scope.setExclusions(new FileOfClasses(fs));
}
}
scope.setLoaderImpl(ClassLoaderReference.Primordial,
"com.ibm.wala.dalvik.classLoader.WDexClassLoaderImpl");
@ -50,10 +53,7 @@ public class AndroidAnalysisScope {
try {
scope.addToScope(ClassLoaderReference.Primordial, DexFileModule.make(new File(al)));
} catch (Exception e) {
e.printStackTrace();
try (final JarFile jar = new JarFile(new File(al))) {
scope.addToScope(ClassLoaderReference.Primordial, new JarFileModule(jar));
}
scope.addToScope(ClassLoaderReference.Primordial, new JarFileModule(new JarFile(new File(al))));
}
}

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@ -436,7 +436,7 @@ implements IFlowFunctionMap<BasicBlockInContext<E>> {
final SSAInvokeInstruction instruction = (SSAInvokeInstruction) src.getLastInstruction();
// String signature = dest.getMethod().getSignature();
// if ( dest.getMethod().isSynthetic() ) {
// if ( dest.getMethod().isWalaSynthetic() ) {
// System.out.println("Synthetic: "+signature);
// } else {
// System.err.println(signature);
@ -448,7 +448,7 @@ implements IFlowFunctionMap<BasicBlockInContext<E>> {
// System.out.println("Call to system: "+signature);
// }
// if (! dest.getMethod().isSynthetic()
// if (! dest.getMethod().isWalaSynthetic()
// && LoaderUtils.fromLoader(dest.getNode(), ClassLoaderReference.Primordial)) {
//
// MyLogger.log(DEBUG,"Primordial and No Summary! (getCallFlowFunction) - " + dest.getMethod().getReference());

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@ -195,7 +195,7 @@ public class CGAnalysisContext<E extends ISSABasicBlock> {
Warnings.clear();
pa = cgb.getPointerAnalysis();
partialGraph = GraphSlicer.prune(cg, node -> LoaderUtils.fromLoader(node, ClassLoaderReference.Application) || node.getMethod().isSynthetic());
partialGraph = GraphSlicer.prune(cg, node -> LoaderUtils.fromLoader(node, ClassLoaderReference.Application) || node.getMethod().isWalaSynthetic());
if (options.includeLibrary()) {
graph = (ISupergraph) ICFGSupergraph.make(cg);
} else {
@ -271,7 +271,7 @@ public class CGAnalysisContext<E extends ISSABasicBlock> {
}
}
for (CGNode node : Iterator2Iterable.make(cg.iterator())) {
if (node.getMethod().isSynthetic()) {
if (node.getMethod().isWalaSynthetic()) {
SSACFG ssaCFG = node.getIR().getControlFlowGraph();
int totalBlocks = ssaCFG.getNumberOfNodes();
for (int i = 0; i < totalBlocks; i++) {

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@ -464,6 +464,8 @@ public interface Constants {
public static final short ACC_STRICT = 0x800;
public static final short ACC_SYNTHETIC = 0x1000;
public static final byte CONSTANT_Utf8 = 1;
public static final byte CONSTANT_Integer = 3;