Examples with Instruction org.jf.dexlib2.iface.instruction.Instruction used on opensource projects

Example 66 with Instruction

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

the class ImplicitReferenceTest method testImplicitMethodReference.

@Test
public void testImplicitMethodReference() 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" + "    invoke-static {p0}, toString()V\n" + "    invoke-static {p0}, V()V\n" + "    invoke-static {p0}, I()V\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());
    Instruction35c instruction = (Instruction35c) instructions.get(0);
    Assert.assertNotNull(instruction);
    Assert.assertEquals(Opcode.INVOKE_STATIC, instruction.getOpcode());
    MethodReference method = (MethodReference) instruction.getReference();
    Assert.assertEquals(classDef.getType(), method.getDefiningClass());
    Assert.assertEquals("toString", method.getName());
    instruction = (Instruction35c) instructions.get(1);
    Assert.assertNotNull(instruction);
    Assert.assertEquals(Opcode.INVOKE_STATIC, instruction.getOpcode());
    method = (MethodReference) instruction.getReference();
    Assert.assertEquals(classDef.getType(), method.getDefiningClass());
    Assert.assertEquals("V", method.getName());
    instruction = (Instruction35c) instructions.get(2);
    Assert.assertNotNull(instruction);
    Assert.assertEquals(Opcode.INVOKE_STATIC, instruction.getOpcode());
    method = (MethodReference) instruction.getReference();
    Assert.assertEquals(classDef.getType(), method.getDefiningClass());
    Assert.assertEquals("I", method.getName());
}

Example 67 with Instruction

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

the class CustomMethodInlineTableTest method testCustomMethodInlineTable_Virtual.

@Test
public void testCustomMethodInlineTable_Virtual() throws IOException {
    List<ImmutableInstruction> instructions = Lists.newArrayList(new ImmutableInstruction35mi(Opcode.EXECUTE_INLINE, 1, 0, 0, 0, 0, 0, 0), new ImmutableInstruction10x(Opcode.RETURN_VOID));
    ImmutableMethodImplementation methodImpl = new ImmutableMethodImplementation(1, instructions, null, null);
    ImmutableMethod method = new ImmutableMethod("Lblah;", "blah", null, "V", AccessFlags.PUBLIC.getValue(), null, methodImpl);
    ClassDef classDef = new ImmutableClassDef("Lblah;", AccessFlags.PUBLIC.getValue(), "Ljava/lang/Object;", null, null, null, null, null, null, ImmutableList.of(method));
    DexFile dexFile = new ImmutableDexFile(Opcodes.getDefault(), ImmutableList.of(classDef));
    ClassPathResolver resolver = new ClassPathResolver(ImmutableList.<String>of(), ImmutableList.<String>of(), ImmutableList.<String>of(), dexFile);
    ClassPath classPath = new ClassPath(resolver.getResolvedClassProviders(), false, ClassPath.NOT_ART);
    InlineMethodResolver inlineMethodResolver = new CustomInlineMethodResolver(classPath, "Lblah;->blah()V");
    MethodAnalyzer methodAnalyzer = new MethodAnalyzer(classPath, method, inlineMethodResolver, false);
    Instruction deodexedInstruction = methodAnalyzer.getInstructions().get(0);
    Assert.assertEquals(Opcode.INVOKE_VIRTUAL, deodexedInstruction.getOpcode());
    MethodReference methodReference = (MethodReference) ((Instruction35c) deodexedInstruction).getReference();
    Assert.assertEquals(method, methodReference);
}

Example 68 with Instruction

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

the class InstructionWriter method write.

public void write(@Nonnull PackedSwitchPayload instruction) {
    try {
        writer.writeUbyte(0);
        writer.writeUbyte(getOpcodeValue(instruction.getOpcode()) >> 8);
        List<? extends SwitchElement> elements = instruction.getSwitchElements();
        writer.writeUshort(elements.size());
        if (elements.size() == 0) {
            writer.writeInt(0);
        } else {
            writer.writeInt(elements.get(0).getKey());
            for (SwitchElement element : elements) {
                writer.writeInt(element.getOffset());
            }
        }
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

Example 69 with Instruction

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

the class InstructionWriter method write.

public void write(@Nonnull SparseSwitchPayload instruction) {
    try {
        writer.writeUbyte(0);
        writer.writeUbyte(getOpcodeValue(instruction.getOpcode()) >> 8);
        List<? extends SwitchElement> elements = Ordering.from(switchElementComparator).immutableSortedCopy(instruction.getSwitchElements());
        writer.writeUshort(elements.size());
        for (SwitchElement element : elements) {
            writer.writeInt(element.getKey());
        }
        for (SwitchElement element : elements) {
            writer.writeInt(element.getOffset());
        }
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

Example 70 with Instruction

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

the class ClassPool method internCode.

private void internCode(@Nonnull Method method) {
    // this also handles parameter names, which aren't directly tied to the MethodImplementation, even though the debug items are
    boolean hasInstruction = false;
    MethodImplementation methodImpl = method.getImplementation();
    if (methodImpl != null) {
        for (Instruction instruction : methodImpl.getInstructions()) {
            hasInstruction = true;
            if (instruction instanceof ReferenceInstruction) {
                Reference reference = ((ReferenceInstruction) instruction).getReference();
                switch(instruction.getOpcode().referenceType) {
                    case ReferenceType.STRING:
                        dexPool.stringSection.intern((StringReference) reference);
                        break;
                    case ReferenceType.TYPE:
                        dexPool.typeSection.intern((TypeReference) reference);
                        break;
                    case ReferenceType.FIELD:
                        dexPool.fieldSection.intern((FieldReference) reference);
                        break;
                    case ReferenceType.METHOD:
                        dexPool.methodSection.intern((MethodReference) reference);
                        break;
                    default:
                        throw new ExceptionWithContext("Unrecognized reference type: %d", instruction.getOpcode().referenceType);
                }
            }
        }
        List<? extends TryBlock> tryBlocks = methodImpl.getTryBlocks();
        if (!hasInstruction && tryBlocks.size() > 0) {
            throw new ExceptionWithContext("Method %s has no instructions, but has try blocks.", ReferenceUtil.getMethodDescriptor(method));
        }
        for (TryBlock<? extends ExceptionHandler> tryBlock : methodImpl.getTryBlocks()) {
            for (ExceptionHandler handler : tryBlock.getExceptionHandlers()) {
                dexPool.typeSection.internNullable(handler.getExceptionType());
            }
        }
    }
}