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

Example 16 with MethodImplementation

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

the class MethodAnalyzerTest method testInstanceOfNarrowingEqz_dalvik.

@Test
public void testInstanceOfNarrowingEqz_dalvik() throws IOException {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(2);
    builder.addInstruction(new BuilderInstruction22c(Opcode.INSTANCE_OF, 0, 1, new ImmutableTypeReference("Lmain;")));
    builder.addInstruction(new BuilderInstruction21t(Opcode.IF_EQZ, 0, builder.getLabel("not_instance_of")));
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    builder.addLabel("not_instance_of");
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    MethodImplementation methodImplementation = builder.getMethodImplementation();
    Method method = new ImmutableMethod("Lmain;", "narrowing", Collections.singletonList(new ImmutableMethodParameter("Ljava/lang/Object;", null, null)), "V", AccessFlags.PUBLIC.getValue(), null, null, methodImplementation);
    ClassDef classDef = new ImmutableClassDef("Lmain;", AccessFlags.PUBLIC.getValue(), "Ljava/lang/Object;", null, null, null, null, Collections.singletonList(method));
    DexFile dexFile = new ImmutableDexFile(Opcodes.forApi(19), Collections.singletonList(classDef));
    ClassPath classPath = new ClassPath(new DexClassProvider(dexFile));
    MethodAnalyzer methodAnalyzer = new MethodAnalyzer(classPath, method, null, false);
    List<AnalyzedInstruction> analyzedInstructions = methodAnalyzer.getAnalyzedInstructions();
    Assert.assertEquals("Ljava/lang/Object;", analyzedInstructions.get(2).getPreInstructionRegisterType(1).type.getType());
    Assert.assertEquals("Ljava/lang/Object;", analyzedInstructions.get(3).getPreInstructionRegisterType(1).type.getType());
}

Example 17 with MethodImplementation

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

the class MethodAnalyzerTest method testInstanceOfNarrowingNez_art.

@Test
public void testInstanceOfNarrowingNez_art() throws IOException {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(2);
    builder.addInstruction(new BuilderInstruction22c(Opcode.INSTANCE_OF, 0, 1, new ImmutableTypeReference("Lmain;")));
    builder.addInstruction(new BuilderInstruction21t(Opcode.IF_NEZ, 0, builder.getLabel("instance_of")));
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    builder.addLabel("instance_of");
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    MethodImplementation methodImplementation = builder.getMethodImplementation();
    Method method = new ImmutableMethod("Lmain;", "narrowing", Collections.singletonList(new ImmutableMethodParameter("Ljava/lang/Object;", null, null)), "V", AccessFlags.PUBLIC.getValue(), null, null, methodImplementation);
    ClassDef classDef = new ImmutableClassDef("Lmain;", AccessFlags.PUBLIC.getValue(), "Ljava/lang/Object;", null, null, null, null, Collections.singletonList(method));
    DexFile dexFile = new ImmutableDexFile(forArtVersion(56), Collections.singletonList(classDef));
    ClassPath classPath = new ClassPath(Lists.newArrayList(new DexClassProvider(dexFile)), true, 56);
    MethodAnalyzer methodAnalyzer = new MethodAnalyzer(classPath, method, null, false);
    List<AnalyzedInstruction> analyzedInstructions = methodAnalyzer.getAnalyzedInstructions();
    Assert.assertEquals("Ljava/lang/Object;", analyzedInstructions.get(2).getPreInstructionRegisterType(1).type.getType());
    Assert.assertEquals("Lmain;", analyzedInstructions.get(3).getPreInstructionRegisterType(1).type.getType());
}

Example 18 with MethodImplementation

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

the class FixGotoTest method testFixGotoCascading.

@Test
public void testFixGotoCascading() {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
    Label goto16Target = builder.getLabel("goto16Target");
    builder.addInstruction(new BuilderInstruction20t(Opcode.GOTO_16, goto16Target));
    for (int i = 0; i < 1000; i++) {
        builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    }
    Label gotoTarget = builder.getLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, gotoTarget));
    for (int i = 0; i < 499; i++) {
        builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    }
    builder.addLabel("gotoTarget");
    for (int i = 0; i < 31265; i++) {
        builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    }
    builder.addLabel("goto16Target");
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    MethodImplementation impl = builder.getMethodImplementation();
    List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
    Assert.assertEquals(32767, instructions.size());
    Assert.assertEquals(Opcode.GOTO_32, instructions.get(0).getOpcode());
    Assert.assertEquals(32769, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
}

Example 19 with MethodImplementation

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

the class FixGotoTest method testFixGotoToGoto16.

@Test
public void testFixGotoToGoto16() {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
    Label gotoTarget = builder.getLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, gotoTarget));
    for (int i = 0; i < 500; i++) {
        builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    }
    builder.addLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    MethodImplementation impl = builder.getMethodImplementation();
    List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
    Assert.assertEquals(502, instructions.size());
    Assert.assertEquals(Opcode.GOTO_16, instructions.get(0).getOpcode());
    Assert.assertEquals(502, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
}

Example 20 with MethodImplementation

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

the class FixGotoTest method testFixGotoToGoto32.

@Test
public void testFixGotoToGoto32() {
    MethodImplementationBuilder builder = new MethodImplementationBuilder(1);
    Label gotoTarget = builder.getLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction10t(Opcode.GOTO, gotoTarget));
    for (int i = 0; i < 70000; i++) {
        builder.addInstruction(new BuilderInstruction10x(Opcode.NOP));
    }
    builder.addLabel("gotoTarget");
    builder.addInstruction(new BuilderInstruction10x(Opcode.RETURN_VOID));
    MethodImplementation impl = builder.getMethodImplementation();
    List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
    Assert.assertEquals(70002, instructions.size());
    Assert.assertEquals(Opcode.GOTO_32, instructions.get(0).getOpcode());
    Assert.assertEquals(70003, ((OffsetInstruction) instructions.get(0)).getCodeOffset());
}