Examples with Field org.jf.dexlib2.iface.Field used on opensource projects

Example 6 with Field

use of org.jf.dexlib2.iface.Field in project smali by JesusFreke.

the class ImplicitReferenceTest method testImplicitMethodLiteral.

@Test
public void testImplicitMethodLiteral() throws RecognitionException, IOException {
    ClassDef classDef = SmaliTestUtils.compileSmali("" + ".class public LHelloWorld;\n" + ".super Ljava/lang/Object;\n" + ".field public static field1:Ljava/lang/reflect/Method; = toString()V\n" + ".field public static field2:Ljava/lang/reflect/Method; = V()V\n" + ".field public static field3:Ljava/lang/reflect/Method; = I()V\n" + ".field public static field4:Ljava/lang/Class; = I");
    Map<String, Field> fields = Maps.newHashMap();
    for (Field field : classDef.getFields()) {
        fields.put(field.getName(), field);
    }
    Field field = fields.get("field1");
    Assert.assertNotNull(field);
    Assert.assertNotNull(field.getInitialValue());
    Assert.assertEquals(ValueType.METHOD, field.getInitialValue().getValueType());
    MethodEncodedValue methodEncodedValue = (MethodEncodedValue) field.getInitialValue();
    Assert.assertEquals(classDef.getType(), methodEncodedValue.getValue().getDefiningClass());
    Assert.assertEquals("toString", methodEncodedValue.getValue().getName());
    field = fields.get("field2");
    Assert.assertNotNull(field);
    Assert.assertNotNull(field.getInitialValue());
    Assert.assertEquals(ValueType.METHOD, field.getInitialValue().getValueType());
    methodEncodedValue = (MethodEncodedValue) field.getInitialValue();
    Assert.assertEquals(classDef.getType(), methodEncodedValue.getValue().getDefiningClass());
    Assert.assertEquals("V", methodEncodedValue.getValue().getName());
    field = fields.get("field3");
    Assert.assertNotNull(field);
    Assert.assertNotNull(field.getInitialValue());
    Assert.assertEquals(ValueType.METHOD, field.getInitialValue().getValueType());
    methodEncodedValue = (MethodEncodedValue) field.getInitialValue();
    Assert.assertEquals(classDef.getType(), methodEncodedValue.getValue().getDefiningClass());
    Assert.assertEquals("I", methodEncodedValue.getValue().getName());
    field = fields.get("field4");
    Assert.assertNotNull(field);
    Assert.assertNotNull(field.getInitialValue());
    Assert.assertEquals(ValueType.TYPE, field.getInitialValue().getValueType());
    TypeEncodedValue typeEncodedValue = (TypeEncodedValue) field.getInitialValue();
    Assert.assertEquals("I", typeEncodedValue.getValue());
}

Example 7 with Field

use of org.jf.dexlib2.iface.Field in project smali by JesusFreke.

the class ImplicitReferenceTest method testImplicitFieldReference.

@Test
public void testImplicitFieldReference() throws RecognitionException, IOException {
    ClassDef classDef = SmaliTestUtils.compileSmali("" + ".class public LHelloWorld;\n" + ".super Ljava/lang/Object;\n" + ".method public static main([Ljava/lang/String;)V\n" + "    .registers 1\n" + "    sget-object v0, someField:I\n" + "    sget-object v0, V:I\n" + "    sget-object v0, I:I\n" + "    return-void\n" + ".end method");
    Method mainMethod = null;
    for (Method method : classDef.getMethods()) {
        if (method.getName().equals("main")) {
            mainMethod = method;
        }
    }
    Assert.assertNotNull(mainMethod);
    MethodImplementation methodImpl = mainMethod.getImplementation();
    Assert.assertNotNull(methodImpl);
    List<Instruction> instructions = Lists.newArrayList(methodImpl.getInstructions());
    Instruction21c instruction = (Instruction21c) instructions.get(0);
    Assert.assertNotNull(instruction);
    Assert.assertEquals(Opcode.SGET_OBJECT, instruction.getOpcode());
    FieldReference field = (FieldReference) instruction.getReference();
    Assert.assertEquals(classDef.getType(), field.getDefiningClass());
    Assert.assertEquals("someField", field.getName());
    instruction = (Instruction21c) instructions.get(1);
    Assert.assertNotNull(instruction);
    Assert.assertEquals(Opcode.SGET_OBJECT, instruction.getOpcode());
    field = (FieldReference) instruction.getReference();
    Assert.assertEquals(classDef.getType(), field.getDefiningClass());
    Assert.assertEquals("V", field.getName());
    instruction = (Instruction21c) instructions.get(2);
    Assert.assertNotNull(instruction);
    Assert.assertEquals(Opcode.SGET_OBJECT, instruction.getOpcode());
    field = (FieldReference) instruction.getReference();
    Assert.assertEquals(classDef.getType(), field.getDefiningClass());
    Assert.assertEquals("I", field.getName());
}

Example 8 with Field

use of org.jf.dexlib2.iface.Field in project smali by JesusFreke.

the class RollbackTest method testRollback.

@Test
public void testRollback() throws IOException {
    ClassDef class1 = new ImmutableClassDef("Lcls1;", AccessFlags.PUBLIC.getValue(), "Ljava/lang/Object;", null, null, Lists.newArrayList(new ImmutableAnnotation(AnnotationVisibility.RUNTIME, "Lannotation;", null)), Lists.<Field>newArrayList(new ImmutableField("Lcls1;", "field1", "I", AccessFlags.PUBLIC.getValue(), null, null)), Lists.<Method>newArrayList(new ImmutableMethod("Lcls1", "method1", Lists.<MethodParameter>newArrayList(new ImmutableMethodParameter("L", null, null)), "V", AccessFlags.PUBLIC.getValue(), null, null)));
    ClassDef class2 = new ImmutableClassDef("Lcls2;", AccessFlags.PUBLIC.getValue(), "Ljava/lang/Object;", null, null, Lists.newArrayList(new ImmutableAnnotation(AnnotationVisibility.RUNTIME, "Lannotation2;", null)), Lists.<Field>newArrayList(new ImmutableField("Lcls2;", "field2", "D", AccessFlags.PUBLIC.getValue(), null, null)), Lists.<Method>newArrayList(new ImmutableMethod("Lcls2;", "method2", Lists.<MethodParameter>newArrayList(new ImmutableMethodParameter("D", null, null)), "V", AccessFlags.PUBLIC.getValue(), null, null)));
    RawDexFile dexFile1;
    {
        MemoryDataStore dataStore = new MemoryDataStore();
        DexPool dexPool = new DexPool(Opcodes.getDefault());
        dexPool.internClass(class1);
        dexPool.mark();
        dexPool.internClass(class2);
        dexPool.reset();
        dexPool.writeTo(dataStore);
        dexFile1 = new RawDexFile(Opcodes.getDefault(), dataStore.getData());
    }
    RawDexFile dexFile2;
    {
        MemoryDataStore dataStore = new MemoryDataStore();
        DexPool dexPool = new DexPool(Opcodes.getDefault());
        dexPool.internClass(class1);
        dexPool.writeTo(dataStore);
        dexFile2 = new RawDexFile(Opcodes.getDefault(), dataStore.getData());
    }
    List<MapItem> mapItems1 = dexFile1.getMapItems();
    List<MapItem> mapItems2 = dexFile2.getMapItems();
    for (int i = 0; i < mapItems1.size(); i++) {
        Assert.assertEquals(mapItems1.get(i).getType(), mapItems2.get(i).getType());
        Assert.assertEquals(mapItems1.get(i).getItemCount(), mapItems2.get(i).getItemCount());
    }
}

Example 9 with Field

use of org.jf.dexlib2.iface.Field in project smali by JesusFreke.

the class ClassPool method intern.

public void intern(@Nonnull ClassDef classDef) {
    PoolClassDef poolClassDef = new PoolClassDef(classDef);
    PoolClassDef prev = internedItems.put(poolClassDef.getType(), poolClassDef);
    if (prev != null) {
        throw new ExceptionWithContext("Class %s has already been interned", poolClassDef.getType());
    }
    dexPool.typeSection.intern(poolClassDef.getType());
    dexPool.typeSection.internNullable(poolClassDef.getSuperclass());
    dexPool.typeListSection.intern(poolClassDef.getInterfaces());
    dexPool.stringSection.internNullable(poolClassDef.getSourceFile());
    HashSet<String> fields = new HashSet<String>();
    for (Field field : poolClassDef.getFields()) {
        String fieldDescriptor = ReferenceUtil.getShortFieldDescriptor(field);
        if (!fields.add(fieldDescriptor)) {
            throw new ExceptionWithContext("Multiple definitions for field %s->%s", poolClassDef.getType(), fieldDescriptor);
        }
        dexPool.fieldSection.intern(field);
        EncodedValue initialValue = field.getInitialValue();
        if (initialValue != null) {
            dexPool.internEncodedValue(initialValue);
        }
        dexPool.annotationSetSection.intern(field.getAnnotations());
    }
    HashSet<String> methods = new HashSet<String>();
    for (PoolMethod method : poolClassDef.getMethods()) {
        String methodDescriptor = ReferenceUtil.getMethodDescriptor(method, true);
        if (!methods.add(methodDescriptor)) {
            throw new ExceptionWithContext("Multiple definitions for method %s->%s", poolClassDef.getType(), methodDescriptor);
        }
        dexPool.methodSection.intern(method);
        internCode(method);
        internDebug(method);
        dexPool.annotationSetSection.intern(method.getAnnotations());
        for (MethodParameter parameter : method.getParameters()) {
            dexPool.annotationSetSection.intern(parameter.getAnnotations());
        }
    }
    dexPool.annotationSetSection.intern(poolClassDef.getAnnotations());
}

Example 10 with Field

use of org.jf.dexlib2.iface.Field in project smali by JesusFreke.

the class CodeItem method makeAnnotator.

@Nonnull
public static SectionAnnotator makeAnnotator(@Nonnull DexAnnotator annotator, @Nonnull MapItem mapItem) {
    return new SectionAnnotator(annotator, mapItem) {

        private SectionAnnotator debugInfoAnnotator = null;

        @Override
        public void annotateSection(@Nonnull AnnotatedBytes out) {
            debugInfoAnnotator = annotator.getAnnotator(ItemType.DEBUG_INFO_ITEM);
            super.annotateSection(out);
        }

        @Nonnull
        @Override
        public String getItemName() {
            return "code_item";
        }

        @Override
        public int getItemAlignment() {
            return 4;
        }

        @Override
        public void annotateItem(@Nonnull AnnotatedBytes out, int itemIndex, @Nullable String itemIdentity) {
            try {
                DexReader reader = dexFile.readerAt(out.getCursor());
                int registers = reader.readUshort();
                out.annotate(2, "registers_size = %d", registers);
                int inSize = reader.readUshort();
                out.annotate(2, "ins_size = %d", inSize);
                int outSize = reader.readUshort();
                out.annotate(2, "outs_size = %d", outSize);
                int triesCount = reader.readUshort();
                out.annotate(2, "tries_size = %d", triesCount);
                int debugInfoOffset = reader.readInt();
                out.annotate(4, "debug_info_off = 0x%x", debugInfoOffset);
                if (debugInfoOffset > 0) {
                    addDebugInfoIdentity(debugInfoOffset, itemIdentity);
                }
                int instructionSize = reader.readSmallUint();
                out.annotate(4, "insns_size = 0x%x", instructionSize);
                out.annotate(0, "instructions:");
                out.indent();
                out.setLimit(out.getCursor(), out.getCursor() + instructionSize * 2);
                int end = reader.getOffset() + instructionSize * 2;
                try {
                    while (reader.getOffset() < end) {
                        Instruction instruction = DexBackedInstruction.readFrom(reader);
                        // if we read past the end of the instruction list
                        if (reader.getOffset() > end) {
                            out.annotateTo(end, "truncated instruction");
                            reader.setOffset(end);
                        } else {
                            switch(instruction.getOpcode().format) {
                                case Format10x:
                                    annotateInstruction10x(out, instruction);
                                    break;
                                case Format35c:
                                    annotateInstruction35c(out, (Instruction35c) instruction);
                                    break;
                                case Format3rc:
                                    annotateInstruction3rc(out, (Instruction3rc) instruction);
                                    break;
                                case ArrayPayload:
                                    annotateArrayPayload(out, (ArrayPayload) instruction);
                                    break;
                                case PackedSwitchPayload:
                                    annotatePackedSwitchPayload(out, (PackedSwitchPayload) instruction);
                                    break;
                                case SparseSwitchPayload:
                                    annotateSparseSwitchPayload(out, (SparseSwitchPayload) instruction);
                                    break;
                                default:
                                    annotateDefaultInstruction(out, instruction);
                                    break;
                            }
                        }
                        assert reader.getOffset() == out.getCursor();
                    }
                } catch (ExceptionWithContext ex) {
                    ex.printStackTrace(System.err);
                    out.annotate(0, "annotation error: %s", ex.getMessage());
                    out.moveTo(end);
                    reader.setOffset(end);
                } finally {
                    out.clearLimit();
                    out.deindent();
                }
                if (triesCount > 0) {
                    if ((reader.getOffset() % 4) != 0) {
                        reader.readUshort();
                        out.annotate(2, "padding");
                    }
                    out.annotate(0, "try_items:");
                    out.indent();
                    try {
                        for (int i = 0; i < triesCount; i++) {
                            out.annotate(0, "try_item[%d]:", i);
                            out.indent();
                            try {
                                int startAddr = reader.readSmallUint();
                                out.annotate(4, "start_addr = 0x%x", startAddr);
                                int instructionCount = reader.readUshort();
                                out.annotate(2, "insn_count = 0x%x", instructionCount);
                                int handlerOffset = reader.readUshort();
                                out.annotate(2, "handler_off = 0x%x", handlerOffset);
                            } finally {
                                out.deindent();
                            }
                        }
                    } finally {
                        out.deindent();
                    }
                    int handlerListCount = reader.readSmallUleb128();
                    out.annotate(0, "encoded_catch_handler_list:");
                    out.annotateTo(reader.getOffset(), "size = %d", handlerListCount);
                    out.indent();
                    try {
                        for (int i = 0; i < handlerListCount; i++) {
                            out.annotate(0, "encoded_catch_handler[%d]", i);
                            out.indent();
                            try {
                                int handlerCount = reader.readSleb128();
                                out.annotateTo(reader.getOffset(), "size = %d", handlerCount);
                                boolean hasCatchAll = handlerCount <= 0;
                                handlerCount = Math.abs(handlerCount);
                                if (handlerCount != 0) {
                                    out.annotate(0, "handlers:");
                                    out.indent();
                                    try {
                                        for (int j = 0; j < handlerCount; j++) {
                                            out.annotate(0, "encoded_type_addr_pair[%d]", i);
                                            out.indent();
                                            try {
                                                int typeIndex = reader.readSmallUleb128();
                                                out.annotateTo(reader.getOffset(), TypeIdItem.getReferenceAnnotation(dexFile, typeIndex));
                                                int handlerAddress = reader.readSmallUleb128();
                                                out.annotateTo(reader.getOffset(), "addr = 0x%x", handlerAddress);
                                            } finally {
                                                out.deindent();
                                            }
                                        }
                                    } finally {
                                        out.deindent();
                                    }
                                }
                                if (hasCatchAll) {
                                    int catchAllAddress = reader.readSmallUleb128();
                                    out.annotateTo(reader.getOffset(), "catch_all_addr = 0x%x", catchAllAddress);
                                }
                            } finally {
                                out.deindent();
                            }
                        }
                    } finally {
                        out.deindent();
                    }
                }
            } catch (ExceptionWithContext ex) {
                out.annotate(0, "annotation error: %s", ex.getMessage());
            }
        }

        private String formatRegister(int registerNum) {
            return String.format("v%d", registerNum);
        }

        private void annotateInstruction10x(@Nonnull AnnotatedBytes out, @Nonnull Instruction instruction) {
            out.annotate(2, instruction.getOpcode().name);
        }

        private void annotateInstruction35c(@Nonnull AnnotatedBytes out, @Nonnull Instruction35c instruction) {
            List<String> args = Lists.newArrayList();
            int registerCount = instruction.getRegisterCount();
            if (registerCount == 1) {
                args.add(formatRegister(instruction.getRegisterC()));
            } else if (registerCount == 2) {
                args.add(formatRegister(instruction.getRegisterC()));
                args.add(formatRegister(instruction.getRegisterD()));
            } else if (registerCount == 3) {
                args.add(formatRegister(instruction.getRegisterC()));
                args.add(formatRegister(instruction.getRegisterD()));
                args.add(formatRegister(instruction.getRegisterE()));
            } else if (registerCount == 4) {
                args.add(formatRegister(instruction.getRegisterC()));
                args.add(formatRegister(instruction.getRegisterD()));
                args.add(formatRegister(instruction.getRegisterE()));
                args.add(formatRegister(instruction.getRegisterF()));
            } else if (registerCount == 5) {
                args.add(formatRegister(instruction.getRegisterC()));
                args.add(formatRegister(instruction.getRegisterD()));
                args.add(formatRegister(instruction.getRegisterE()));
                args.add(formatRegister(instruction.getRegisterF()));
                args.add(formatRegister(instruction.getRegisterG()));
            }
            String reference = ReferenceUtil.getReferenceString(instruction.getReference());
            out.annotate(6, String.format("%s {%s}, %s", instruction.getOpcode().name, Joiner.on(", ").join(args), reference));
        }

        private void annotateInstruction3rc(@Nonnull AnnotatedBytes out, @Nonnull Instruction3rc instruction) {
            int startRegister = instruction.getStartRegister();
            int endRegister = startRegister + instruction.getRegisterCount() - 1;
            String reference = ReferenceUtil.getReferenceString(instruction.getReference());
            out.annotate(6, String.format("%s {%s .. %s}, %s", instruction.getOpcode().name, formatRegister(startRegister), formatRegister(endRegister), reference));
        }

        private void annotateDefaultInstruction(@Nonnull AnnotatedBytes out, @Nonnull Instruction instruction) {
            List<String> args = Lists.newArrayList();
            if (instruction instanceof OneRegisterInstruction) {
                args.add(formatRegister(((OneRegisterInstruction) instruction).getRegisterA()));
                if (instruction instanceof TwoRegisterInstruction) {
                    args.add(formatRegister(((TwoRegisterInstruction) instruction).getRegisterB()));
                    if (instruction instanceof ThreeRegisterInstruction) {
                        args.add(formatRegister(((ThreeRegisterInstruction) instruction).getRegisterC()));
                    }
                }
            } else if (instruction instanceof VerificationErrorInstruction) {
                String verificationError = VerificationError.getVerificationErrorName(((VerificationErrorInstruction) instruction).getVerificationError());
                if (verificationError != null) {
                    args.add(verificationError);
                } else {
                    args.add("invalid verification error type");
                }
            }
            if (instruction instanceof ReferenceInstruction) {
                args.add(ReferenceUtil.getReferenceString(((ReferenceInstruction) instruction).getReference()));
            } else if (instruction instanceof OffsetInstruction) {
                int offset = ((OffsetInstruction) instruction).getCodeOffset();
                String sign = offset >= 0 ? "+" : "-";
                args.add(String.format("%s0x%x", sign, Math.abs(offset)));
            } else if (instruction instanceof NarrowLiteralInstruction) {
                int value = ((NarrowLiteralInstruction) instruction).getNarrowLiteral();
                if (NumberUtils.isLikelyFloat(value)) {
                    args.add(String.format("%d # %f", value, Float.intBitsToFloat(value)));
                } else {
                    args.add(String.format("%d", value));
                }
            } else if (instruction instanceof WideLiteralInstruction) {
                long value = ((WideLiteralInstruction) instruction).getWideLiteral();
                if (NumberUtils.isLikelyDouble(value)) {
                    args.add(String.format("%d # %f", value, Double.longBitsToDouble(value)));
                } else {
                    args.add(String.format("%d", value));
                }
            } else if (instruction instanceof FieldOffsetInstruction) {
                int fieldOffset = ((FieldOffsetInstruction) instruction).getFieldOffset();
                args.add(String.format("field@0x%x", fieldOffset));
            } else if (instruction instanceof VtableIndexInstruction) {
                int vtableIndex = ((VtableIndexInstruction) instruction).getVtableIndex();
                args.add(String.format("vtable@%d", vtableIndex));
            } else if (instruction instanceof InlineIndexInstruction) {
                int inlineIndex = ((InlineIndexInstruction) instruction).getInlineIndex();
                args.add(String.format("inline@%d", inlineIndex));
            }
            out.annotate(instruction.getCodeUnits() * 2, "%s %s", instruction.getOpcode().name, Joiner.on(", ").join(args));
        }

        private void annotateArrayPayload(@Nonnull AnnotatedBytes out, @Nonnull ArrayPayload instruction) {
            List<Number> elements = instruction.getArrayElements();
            int elementWidth = instruction.getElementWidth();
            out.annotate(2, instruction.getOpcode().name);
            out.indent();
            out.annotate(2, "element_width = %d", elementWidth);
            out.annotate(4, "size = %d", elements.size());
            out.annotate(0, "elements:");
            out.indent();
            for (int i = 0; i < elements.size(); i++) {
                if (elementWidth == 8) {
                    long value = elements.get(i).longValue();
                    if (NumberUtils.isLikelyDouble(value)) {
                        out.annotate(elementWidth, "element[%d] = %d # %f", i, value, Double.longBitsToDouble(value));
                    } else {
                        out.annotate(elementWidth, "element[%d] = %d", i, value);
                    }
                } else {
                    int value = elements.get(i).intValue();
                    if (NumberUtils.isLikelyFloat(value)) {
                        out.annotate(elementWidth, "element[%d] = %d # %f", i, value, Float.intBitsToFloat(value));
                    } else {
                        out.annotate(elementWidth, "element[%d] = %d", i, value);
                    }
                }
            }
            if (out.getCursor() % 2 != 0) {
                out.annotate(1, "padding");
            }
            out.deindent();
            out.deindent();
        }

        private void annotatePackedSwitchPayload(@Nonnull AnnotatedBytes out, @Nonnull PackedSwitchPayload instruction) {
            List<? extends SwitchElement> elements = instruction.getSwitchElements();
            out.annotate(2, instruction.getOpcode().name);
            out.indent();
            out.annotate(2, "size = %d", elements.size());
            if (elements.size() == 0) {
                out.annotate(4, "first_key");
            } else {
                out.annotate(4, "first_key = %d", elements.get(0).getKey());
                out.annotate(0, "targets:");
                out.indent();
                for (int i = 0; i < elements.size(); i++) {
                    out.annotate(4, "target[%d] = %d", i, elements.get(i).getOffset());
                }
                out.deindent();
            }
            out.deindent();
        }

        private void annotateSparseSwitchPayload(@Nonnull AnnotatedBytes out, @Nonnull SparseSwitchPayload instruction) {
            List<? extends SwitchElement> elements = instruction.getSwitchElements();
            out.annotate(2, instruction.getOpcode().name);
            out.indent();
            out.annotate(2, "size = %d", elements.size());
            if (elements.size() > 0) {
                out.annotate(0, "keys:");
                out.indent();
                for (int i = 0; i < elements.size(); i++) {
                    out.annotate(4, "key[%d] = %d", i, elements.get(i).getKey());
                }
                out.deindent();
                out.annotate(0, "targets:");
                out.indent();
                for (int i = 0; i < elements.size(); i++) {
                    out.annotate(4, "target[%d] = %d", i, elements.get(i).getOffset());
                }
                out.deindent();
            }
            out.deindent();
        }

        private void addDebugInfoIdentity(int debugInfoOffset, String methodString) {
            if (debugInfoAnnotator != null) {
                debugInfoAnnotator.setItemIdentity(debugInfoOffset, methodString);
            }
        }
    };
}