Package org.jf.dexlib2.analysis

Examples of org.jf.dexlib2.analysis.MethodAnalyzer


            } else if (fileLength > Integer.MAX_VALUE) {
                throw new ExceptionWithContext("The " + dexEntry + " file in %s is too large to read in", dexFile.getName());
            }
            byte[] dexBytes = new byte[(int)fileLength];
            ByteStreams.readFully(zipFile.getInputStream(zipEntry), dexBytes);
            return new DexBackedDexFile(opcodes, dexBytes);
        } catch (IOException ex) {
            // don't continue on if we know it's a zip file
            if (isZipFile) {
                throw ex;
            }
View Full Code Here


            //TODO: does dalvik allow references to invalid registers?
            final LocalInfo[] locals = new LocalInfo[registerCount];
            Arrays.fill(locals, EMPTY_LOCAL_INFO);

            DexBackedMethod method = methodImpl.method;

            // Create a MethodParameter iterator that uses our DexReader instance to read the parameter names.
            // After we have finished iterating over the parameters, reader will "point to" the beginning of the
            // debug instructions
            final Iterator<? extends MethodParameter> parameterIterator =
                    new ParameterIterator(method.getParameterTypes(),
                            method.getParameterAnnotations(),
                            getParameterNames(reader));

            // first, we grab all the parameters and temporarily store them at the beginning of locals,
            // disregarding any wide types
            int parameterIndex = 0;
View Full Code Here

        };

        @Nonnull
        @Override
        public Iterator<DebugItem> iterator() {
            DexReader reader = dexFile.readerAt(debugInfoOffset);
            final int lineNumberStart = reader.readBigUleb128();
            int registerCount = methodImpl.getRegisterCount();

            //TODO: does dalvik allow references to invalid registers?
            final LocalInfo[] locals = new LocalInfo[registerCount];
            Arrays.fill(locals, EMPTY_LOCAL_INFO);

            DexBackedMethod method = methodImpl.method;

            // Create a MethodParameter iterator that uses our DexReader instance to read the parameter names.
            // After we have finished iterating over the parameters, reader will "point to" the beginning of the
            // debug instructions
            final Iterator<? extends MethodParameter> parameterIterator =
                    new ParameterIterator(method.getParameterTypes(),
                            method.getParameterAnnotations(),
                            getParameterNames(reader));

            // first, we grab all the parameters and temporarily store them at the beginning of locals,
            // disregarding any wide types
            int parameterIndex = 0;
            if (!AccessFlags.STATIC.isSet(methodImpl.method.getAccessFlags())) {
                // add the local info for the "this" parameter
                locals[parameterIndex++] = new LocalInfo() {
                    @Override public String getName() { return "this"; }
                    @Override public String getType() { return methodImpl.method.getDefiningClass(); }
                    @Override public String getSignature() { return null; }
                };
            }
            while (parameterIterator.hasNext()) {
                locals[parameterIndex++] = parameterIterator.next();
            }

            if (parameterIndex < registerCount) {
                // now, we push the parameter locals back to their appropriate register, starting from the end
                int localIndex = registerCount-1;
                while(--parameterIndex > -1) {
                    LocalInfo currentLocal = locals[parameterIndex];
                    String type = currentLocal.getType();
                    if (type != null && (type.equals("J") || type.equals("D"))) {
                        localIndex--;
                        if (localIndex == parameterIndex) {
                            // there's no more room to push, the remaining registers are already in the correct place
                            break;
                        }
                    }
                    locals[localIndex] = currentLocal;
                    locals[parameterIndex] = EMPTY_LOCAL_INFO;
                    localIndex--;
                }
            }

            return new VariableSizeLookaheadIterator<DebugItem>(dexFile, reader.getOffset()) {
                private int codeAddress = 0;
                private int lineNumber = lineNumberStart;

                @Nullable
                protected DebugItem readNextItem(@Nonnull DexReader reader) {
                    while (true) {
                        int next = reader.readUbyte();
                        switch (next) {
                            case DebugItemType.END_SEQUENCE: {
                                return null;
                            }
                            case DebugItemType.ADVANCE_PC: {
                                int addressDiff = reader.readSmallUleb128();
                                codeAddress += addressDiff;
                                continue;
                            }
                            case DebugItemType.ADVANCE_LINE: {
                                int lineDiff = reader.readSleb128();
                                lineNumber += lineDiff;
                                continue;
                            }
                            case DebugItemType.START_LOCAL: {
                                int register = reader.readSmallUleb128();
                                String name = dexFile.getOptionalString(reader.readSmallUleb128() - 1);
                                String type = dexFile.getOptionalType(reader.readSmallUleb128() - 1);
                                ImmutableStartLocal startLocal =
                                        new ImmutableStartLocal(codeAddress, register, name, type, null);
                                locals[register] = startLocal;
                                return startLocal;
                            }
                            case DebugItemType.START_LOCAL_EXTENDED: {
                                int register = reader.readSmallUleb128();
                                String name = dexFile.getOptionalString(reader.readSmallUleb128() - 1);
                                String type = dexFile.getOptionalType(reader.readSmallUleb128() - 1);
                                String signature = dexFile.getOptionalString(reader.readSmallUleb128() - 1);
                                ImmutableStartLocal startLocal =
                                        new ImmutableStartLocal(codeAddress, register, name, type, signature);
                                locals[register] = startLocal;
                                return startLocal;
                            }
                            case DebugItemType.END_LOCAL: {
                                int register = reader.readSmallUleb128();
                                LocalInfo localInfo = locals[register];
                                boolean replaceLocalInTable = true;
                                if (localInfo instanceof EndLocal) {
                                    localInfo = EMPTY_LOCAL_INFO;
                                    // don't replace the local info in locals. The new EndLocal won't have any info at all,
                                    // and we dont want to wipe out what's there, so that it is available for a subsequent
                                    // RestartLocal
                                    replaceLocalInTable = false;
                                }
                                ImmutableEndLocal endLocal =
                                        new ImmutableEndLocal(codeAddress, register, localInfo.getName(),
                                                localInfo.getType(), localInfo.getSignature());
                                if (replaceLocalInTable) {
                                    locals[register] = endLocal;
                                }
                                return endLocal;
                            }
                            case DebugItemType.RESTART_LOCAL: {
                                int register = reader.readSmallUleb128();
                                LocalInfo localInfo = locals[register];
                                ImmutableRestartLocal restartLocal =
                                        new ImmutableRestartLocal(codeAddress, register, localInfo.getName(),
                                                localInfo.getType(), localInfo.getSignature());
                                locals[register] = restartLocal;
                                return restartLocal;
                            }
                            case DebugItemType.PROLOGUE_END: {
                                return new ImmutablePrologueEnd(codeAddress);
                            }
                            case DebugItemType.EPILOGUE_BEGIN: {
                                return new ImmutableEpilogueBegin(codeAddress);
                            }
                            case DebugItemType.SET_SOURCE_FILE: {
                                String sourceFile = dexFile.getOptionalString(reader.readSmallUleb128() - 1);
                                return new ImmutableSetSourceFile(codeAddress, sourceFile);
                            }
                            default: {
                                int adjusted = next - 0x0A;
                                codeAddress += adjusted / 15;
View Full Code Here

    @Nonnull
    public Iterable<? extends DexBackedField> getStaticFields(final boolean skipDuplicates) {
        if (staticFieldCount > 0) {
            DexReader reader = dexFile.readerAt(staticFieldsOffset);

            final AnnotationsDirectory annotationsDirectory = getAnnotationsDirectory();
            final int staticInitialValuesOffset =
                    dexFile.readSmallUint(classDefOffset + ClassDefItem.STATIC_VALUES_OFFSET);
            final int fieldsStartOffset = reader.getOffset();

            return new Iterable<DexBackedField>() {
                @Nonnull
                @Override
                public Iterator<DexBackedField> iterator() {
                    final AnnotationsDirectory.AnnotationIterator annotationIterator =
                            annotationsDirectory.getFieldAnnotationIterator();
                    final StaticInitialValueIterator staticInitialValueIterator =
                            StaticInitialValueIterator.newOrEmpty(dexFile, staticInitialValuesOffset);

                    return new VariableSizeLookaheadIterator<DexBackedField>(dexFile, fieldsStartOffset) {
                        private int count;
View Full Code Here

    @Nonnull
    public Iterable<? extends DexBackedField> getInstanceFields(final boolean skipDuplicates) {
        if (instanceFieldCount > 0) {
            DexReader reader = dexFile.readerAt(getInstanceFieldsOffset());

            final AnnotationsDirectory annotationsDirectory = getAnnotationsDirectory();
            final int fieldsStartOffset = reader.getOffset();

            return new Iterable<DexBackedField>() {
                @Nonnull
                @Override
                public Iterator<DexBackedField> iterator() {
                    final AnnotationsDirectory.AnnotationIterator annotationIterator =
                            annotationsDirectory.getFieldAnnotationIterator();

                    return new VariableSizeLookaheadIterator<DexBackedField>(dexFile, fieldsStartOffset) {
                        private int count;
                        @Nullable private FieldReference previousField;
                        private int previousIndex;
View Full Code Here

    @Nonnull
    public Iterable<? extends DexBackedMethod> getDirectMethods(final boolean skipDuplicates) {
        if (directMethodCount > 0) {
            DexReader reader = dexFile.readerAt(getDirectMethodsOffset());

            final AnnotationsDirectory annotationsDirectory = getAnnotationsDirectory();
            final int methodsStartOffset = reader.getOffset();

            return new Iterable<DexBackedMethod>() {
                @Nonnull
                @Override
                public Iterator<DexBackedMethod> iterator() {
                    final AnnotationsDirectory.AnnotationIterator methodAnnotationIterator =
                            annotationsDirectory.getMethodAnnotationIterator();
                    final AnnotationsDirectory.AnnotationIterator parameterAnnotationIterator =
                            annotationsDirectory.getParameterAnnotationIterator();

                    return new VariableSizeLookaheadIterator<DexBackedMethod>(dexFile, methodsStartOffset) {
                        private int count;
                        @Nullable private MethodReference previousMethod;
                        private int previousIndex;
View Full Code Here

    @Nonnull
    public Iterable<? extends DexBackedMethod> getVirtualMethods(final boolean skipDuplicates) {
        if (virtualMethodCount > 0) {
            DexReader reader = dexFile.readerAt(getVirtualMethodsOffset());

            final AnnotationsDirectory annotationsDirectory = getAnnotationsDirectory();
            final int methodsStartOffset = reader.getOffset();

            return new Iterable<DexBackedMethod>() {
                final AnnotationsDirectory.AnnotationIterator methodAnnotationIterator =
                        annotationsDirectory.getMethodAnnotationIterator();
                final AnnotationsDirectory.AnnotationIterator parameterAnnotationIterator =
                        annotationsDirectory.getParameterAnnotationIterator();

                @Nonnull
                @Override
                public Iterator<DexBackedMethod> iterator() {
                    return new VariableSizeLookaheadIterator<DexBackedMethod>(dexFile, methodsStartOffset) {
View Full Code Here

        if (parametersOffset > 0) {
            final List<String> parameterTypes = getParameterTypes();

            return new AbstractForwardSequentialList<MethodParameter>() {
                @Nonnull @Override public Iterator<MethodParameter> iterator() {
                    return new ParameterIterator(parameterTypes,
                            getParameterAnnotations(),
                            getParameterNames());
                }

                @Override public int size() {
View Full Code Here

                @Nonnull
                @Override
                public Iterator<DexBackedField> iterator() {
                    final AnnotationsDirectory.AnnotationIterator annotationIterator =
                            annotationsDirectory.getFieldAnnotationIterator();
                    final StaticInitialValueIterator staticInitialValueIterator =
                            StaticInitialValueIterator.newOrEmpty(dexFile, staticInitialValuesOffset);

                    return new VariableSizeLookaheadIterator<DexBackedField>(dexFile, fieldsStartOffset) {
                        private int count;
                        @Nullable private FieldReference previousField;
View Full Code Here

public abstract class BaseMethodParameter extends BaseTypeReference implements MethodParameter {
    @Nullable
    @Override
    public String getSignature() {
        Annotation signatureAnnotation = null;
        for (Annotation annotation: getAnnotations()) {
            if (annotation.getType().equals("Ldalvik/annotation/Signature;")) {
                signatureAnnotation = annotation;
                break;
            }
        }
        if (signatureAnnotation == null) {
            return null;
        }

        ArrayEncodedValue signatureValues = null;
        for (AnnotationElement annotationElement: signatureAnnotation.getElements()) {
            if (annotationElement.getName().equals("value")) {
                EncodedValue encodedValue = annotationElement.getValue();
                if (encodedValue.getValueType() != ValueType.ARRAY) {
                    return null;
                }
View Full Code Here

TOP

Related Classes of org.jf.dexlib2.analysis.MethodAnalyzer

Copyright © 2018 www.massapicom. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.