Examples with Instruction21t org.jf.dexlib2.iface.instruction.formats.Instruction21t used on opensource projects

Example 1 with Instruction21t

use of org.jf.dexlib2.iface.instruction.formats.Instruction21t in project soot by Sable.

the class IfTestzInstruction method ifStatement.

@Override
protected IfStmt ifStatement(DexBody body) {
    Instruction21t i = (Instruction21t) instruction;
    BinopExpr condition = getComparisonExpr(body, i.getRegisterA());
    IfStmt jif = Jimple.v().newIfStmt(condition, targetInstruction.getUnit());
    // setUnit() is called in ConditionalJumpInstruction
    addTags(jif);
    if (IDalvikTyper.ENABLE_DVKTYPER) {
    // Debug.printDbg(IDalvikTyper.DEBUG, "constraint: "+ jif);
    /*
           int op = instruction.getOpcode().value;
           switch (op) {
           case 0x38:
           case 0x39:
             //DalvikTyper.v().addConstraint(condition.getOp1Box(), condition.getOp2Box());
             break;
           case 0x3a:
           case 0x3b:
           case 0x3c:
           case 0x3d:
             DalvikTyper.v().setType(condition.getOp1Box(), BooleanType.v(), true);
             break;
           default:
             throw new RuntimeException("error: unknown op: 0x"+ Integer.toHexString(op));
           }
           */
    }
    return jif;
}

Example 2 with Instruction21t

use of org.jf.dexlib2.iface.instruction.formats.Instruction21t in project smali by JesusFreke.

the class MethodAnalyzer method canPropagateTypeAfterInstanceOf.

static boolean canPropagateTypeAfterInstanceOf(AnalyzedInstruction analyzedInstanceOfInstruction, AnalyzedInstruction analyzedIfInstruction, ClassPath classPath) {
    if (!classPath.isArt()) {
        return false;
    }
    Instruction ifInstruction = analyzedIfInstruction.instruction;
    if (((Instruction21t) ifInstruction).getRegisterA() == analyzedInstanceOfInstruction.getDestinationRegister()) {
        Reference reference = ((Instruction22c) analyzedInstanceOfInstruction.getInstruction()).getReference();
        RegisterType registerType = RegisterType.getRegisterType(classPath, (TypeReference) reference);
        try {
            if (registerType.type != null && !registerType.type.isInterface()) {
                int objectRegister = ((TwoRegisterInstruction) analyzedInstanceOfInstruction.getInstruction()).getRegisterB();
                RegisterType originalType = analyzedIfInstruction.getPreInstructionRegisterType(objectRegister);
                return isNotWideningConversion(originalType, registerType);
            }
        } catch (UnresolvedClassException ex) {
            return false;
        }
    }
    return false;
}

Example 3 with Instruction21t

use of org.jf.dexlib2.iface.instruction.formats.Instruction21t in project smali by JesusFreke.

the class SmalideaMethodTest method testSmalideaMethod.

public void testSmalideaMethod() {
    String text = ".class public Lmy/pkg/blah; .super Ljava/lang/Object;\n" + ".method public someMethodName(I)I\n" + "    .registers 4\n" + "    .param p1, \"edge\"    # I\n" + "    goto :here  #0: 10t\n" + "    :here\n" + "    return-void  #1: 21c\n" + "    const/4 v0, 1234 #2: 11n\n" + "    monitor-enter v1, #3: 11x\n" + "    move v1, v0 #4: 12x\n" + "    goto/16 :here #5: 20t\n" + "    sget v0, La/b/c;->blah:I #6: 21c\n" + "    const/high16 v0, 0x12340000 #7: 21ih\n" + "    const-wide/high16 v0, 0x1234000000000000L #8: 21lh\n" + "    const-wide/16 v0, 1234 #9: 21s\n" + "    if-eqz v0, :here #10: 21t\n" + "    add-int/lit8 v0, v1, 123 #11: 22b\n" + "    iget v1, v2, Labc;->blort:Z #12: 22c\n" + "    add-int/lit16 v0, v1, 1234 #13: 22s\n" + "    if-eq v0, v1, :here #14: 22t\n" + "    move/from16 v0, v1 #15: 22x\n" + "    cmpl-float v0, v1, v2 #16: 23x\n" + "    goto/32 :here #17: 30t\n" + "    const-string/jumbo v0, \"abcd\" #18: 31c\n" + "    const v0, 1234 #19: 31i\n" + "    move/16 v0, v1 #20: 32x\n" + "    invoke-virtual {v0, v1, v2, v3, v4}, Lblah;->blort(IIII)I #21: 35c\n" + "    invoke-virtual/range {v0..v4}, Lblah;->blort(IIII)I #22: 3rc\n" + "    const-wide v0, 0x1234567890L #23: 51i\n" + ".end method";
    SmaliFile file = (SmaliFile) myFixture.addFileToProject("my/pkg/blah.smali", text);
    SmaliClass smaliClass = file.getPsiClass();
    SmaliMethod smaliMethod = smaliClass.getMethods()[0];
    SmalideaMethod method = new SmalideaMethod(smaliMethod);
    Assert.assertEquals("Lmy/pkg/blah;", method.getDefiningClass());
    Assert.assertEquals("someMethodName", method.getName());
    Assert.assertEquals("I", method.getReturnType());
    List<? extends CharSequence> parameterTypes = method.getParameterTypes();
    Assert.assertEquals(1, parameterTypes.size());
    Assert.assertEquals("I", parameterTypes.get(0));
    List<? extends MethodParameter> parameters = method.getParameters();
    Assert.assertEquals(1, parameters.size());
    Assert.assertEquals("I", parameters.get(0).getType());
    Assert.assertEquals("edge", parameters.get(0).getName());
    Assert.assertEquals(AccessFlags.PUBLIC.getValue(), method.getAccessFlags());
    MethodImplementation impl = method.getImplementation();
    Assert.assertNotNull(impl);
    Assert.assertEquals(4, impl.getRegisterCount());
    List<? extends Instruction> instructions = Lists.newArrayList(impl.getInstructions());
    {
        Instruction10t instruction = (Instruction10t) instructions.get(0);
        Assert.assertEquals(Opcode.GOTO, instruction.getOpcode());
        Assert.assertEquals(1, instruction.getCodeOffset());
    }
    {
        Instruction10x instruction = (Instruction10x) instructions.get(1);
        Assert.assertEquals(Opcode.RETURN_VOID, instruction.getOpcode());
    }
    {
        Instruction11n instruction = (Instruction11n) instructions.get(2);
        Assert.assertEquals(Opcode.CONST_4, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1234, instruction.getNarrowLiteral());
    }
    {
        Instruction11x instruction = (Instruction11x) instructions.get(3);
        Assert.assertEquals(Opcode.MONITOR_ENTER, instruction.getOpcode());
        Assert.assertEquals(1, instruction.getRegisterA());
    }
    {
        Instruction12x instruction = (Instruction12x) instructions.get(4);
        Assert.assertEquals(Opcode.MOVE, instruction.getOpcode());
        Assert.assertEquals(1, instruction.getRegisterA());
        Assert.assertEquals(0, instruction.getRegisterB());
    }
    {
        Instruction20t instruction = (Instruction20t) instructions.get(5);
        Assert.assertEquals(Opcode.GOTO_16, instruction.getOpcode());
        Assert.assertEquals(-4, instruction.getCodeOffset());
    }
    {
        Instruction21c instruction = (Instruction21c) instructions.get(6);
        Assert.assertEquals(Opcode.SGET, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals("La/b/c;->blah:I", ReferenceUtil.getFieldDescriptor((FieldReference) instruction.getReference()));
    }
    {
        Instruction21ih instruction = (Instruction21ih) instructions.get(7);
        Assert.assertEquals(Opcode.CONST_HIGH16, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(0x1234, instruction.getHatLiteral());
        Assert.assertEquals(0x12340000, instruction.getNarrowLiteral());
        Assert.assertEquals(0x12340000, instruction.getWideLiteral());
    }
    {
        Instruction21lh instruction = (Instruction21lh) instructions.get(8);
        Assert.assertEquals(Opcode.CONST_WIDE_HIGH16, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(0x1234, instruction.getHatLiteral());
        Assert.assertEquals(0x1234000000000000L, instruction.getWideLiteral());
    }
    {
        Instruction21s instruction = (Instruction21s) instructions.get(9);
        Assert.assertEquals(Opcode.CONST_WIDE_16, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1234, instruction.getWideLiteral());
    }
    {
        Instruction21t instruction = (Instruction21t) instructions.get(10);
        Assert.assertEquals(Opcode.IF_EQZ, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(-14, instruction.getCodeOffset());
    }
    {
        Instruction22b instruction = (Instruction22b) instructions.get(11);
        Assert.assertEquals(Opcode.ADD_INT_LIT8, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1, instruction.getRegisterB());
        Assert.assertEquals(123, instruction.getNarrowLiteral());
    }
    {
        Instruction22c instruction = (Instruction22c) instructions.get(12);
        Assert.assertEquals(Opcode.IGET, instruction.getOpcode());
        Assert.assertEquals(1, instruction.getRegisterA());
        Assert.assertEquals(2, instruction.getRegisterB());
        Assert.assertEquals("Labc;->blort:Z", ReferenceUtil.getFieldDescriptor((FieldReference) instruction.getReference()));
    }
    {
        Instruction22s instruction = (Instruction22s) instructions.get(13);
        Assert.assertEquals(Opcode.ADD_INT_LIT16, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1, instruction.getRegisterB());
        Assert.assertEquals(1234, instruction.getNarrowLiteral());
    }
    {
        Instruction22t instruction = (Instruction22t) instructions.get(14);
        Assert.assertEquals(Opcode.IF_EQ, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1, instruction.getRegisterB());
        Assert.assertEquals(-22, instruction.getCodeOffset());
    }
    {
        Instruction22x instruction = (Instruction22x) instructions.get(15);
        Assert.assertEquals(Opcode.MOVE_FROM16, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1, instruction.getRegisterB());
    }
    {
        Instruction23x instruction = (Instruction23x) instructions.get(16);
        Assert.assertEquals(Opcode.CMPL_FLOAT, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1, instruction.getRegisterB());
        Assert.assertEquals(2, instruction.getRegisterC());
    }
    {
        Instruction30t instruction = (Instruction30t) instructions.get(17);
        Assert.assertEquals(Opcode.GOTO_32, instruction.getOpcode());
        Assert.assertEquals(-28, instruction.getCodeOffset());
    }
    {
        Instruction31c instruction = (Instruction31c) instructions.get(18);
        Assert.assertEquals(Opcode.CONST_STRING_JUMBO, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals("abcd", ((StringReference) instruction.getReference()).getString());
    }
    {
        Instruction31i instruction = (Instruction31i) instructions.get(19);
        Assert.assertEquals(Opcode.CONST, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1234, instruction.getNarrowLiteral());
    }
    {
        Instruction32x instruction = (Instruction32x) instructions.get(20);
        Assert.assertEquals(Opcode.MOVE_16, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(1, instruction.getRegisterB());
    }
    {
        Instruction35c instruction = (Instruction35c) instructions.get(21);
        Assert.assertEquals(Opcode.INVOKE_VIRTUAL, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterC());
        Assert.assertEquals(1, instruction.getRegisterD());
        Assert.assertEquals(2, instruction.getRegisterE());
        Assert.assertEquals(3, instruction.getRegisterF());
        Assert.assertEquals(4, instruction.getRegisterG());
        Assert.assertEquals("Lblah;->blort(IIII)I", ReferenceUtil.getReferenceString(instruction.getReference()));
    }
    {
        Instruction3rc instruction = (Instruction3rc) instructions.get(22);
        Assert.assertEquals(Opcode.INVOKE_VIRTUAL_RANGE, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getStartRegister());
        Assert.assertEquals(5, instruction.getRegisterCount());
        Assert.assertEquals("Lblah;->blort(IIII)I", ReferenceUtil.getReferenceString(instruction.getReference()));
    }
    {
        Instruction51l instruction = (Instruction51l) instructions.get(23);
        Assert.assertEquals(Opcode.CONST_WIDE, instruction.getOpcode());
        Assert.assertEquals(0, instruction.getRegisterA());
        Assert.assertEquals(0x1234567890L, instruction.getWideLiteral());
    }
}

Example 4 with Instruction21t

use of org.jf.dexlib2.iface.instruction.formats.Instruction21t in project smali by JesusFreke.

the class DexWriter method writeCodeItem.

private int writeCodeItem(@Nonnull DexDataWriter writer, @Nonnull ByteArrayOutputStream ehBuf, @Nonnull MethodKey methodKey, @Nonnull List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks, @Nullable Iterable<? extends Instruction> instructions, int debugItemOffset) throws IOException {
    if (instructions == null && debugItemOffset == NO_OFFSET) {
        return -1;
    }
    numCodeItemItems++;
    writer.align();
    int codeItemOffset = writer.getPosition();
    writer.writeUshort(classSection.getRegisterCount(methodKey));
    boolean isStatic = AccessFlags.STATIC.isSet(classSection.getMethodAccessFlags(methodKey));
    Collection<? extends TypeKey> parameters = typeListSection.getTypes(protoSection.getParameters(methodSection.getPrototype(methodKey)));
    writer.writeUshort(MethodUtil.getParameterRegisterCount(parameters, isStatic));
    if (instructions != null) {
        tryBlocks = TryListBuilder.massageTryBlocks(tryBlocks);
        int outParamCount = 0;
        int codeUnitCount = 0;
        for (Instruction instruction : instructions) {
            codeUnitCount += instruction.getCodeUnits();
            if (instruction.getOpcode().referenceType == ReferenceType.METHOD) {
                ReferenceInstruction refInsn = (ReferenceInstruction) instruction;
                MethodReference methodRef = (MethodReference) refInsn.getReference();
                Opcode opcode = instruction.getOpcode();
                int paramCount;
                if (InstructionUtil.isInvokePolymorphic(opcode)) {
                    paramCount = ((VariableRegisterInstruction) instruction).getRegisterCount();
                } else {
                    paramCount = MethodUtil.getParameterRegisterCount(methodRef, InstructionUtil.isInvokeStatic(opcode));
                }
                if (paramCount > outParamCount) {
                    outParamCount = paramCount;
                }
            }
        }
        writer.writeUshort(outParamCount);
        writer.writeUshort(tryBlocks.size());
        writer.writeInt(debugItemOffset);
        InstructionWriter instructionWriter = InstructionWriter.makeInstructionWriter(opcodes, writer, stringSection, typeSection, fieldSection, methodSection, protoSection, methodHandleSection, callSiteSection);
        writer.writeInt(codeUnitCount);
        int codeOffset = 0;
        for (Instruction instruction : instructions) {
            try {
                switch(instruction.getOpcode().format) {
                    case Format10t:
                        instructionWriter.write((Instruction10t) instruction);
                        break;
                    case Format10x:
                        instructionWriter.write((Instruction10x) instruction);
                        break;
                    case Format11n:
                        instructionWriter.write((Instruction11n) instruction);
                        break;
                    case Format11x:
                        instructionWriter.write((Instruction11x) instruction);
                        break;
                    case Format12x:
                        instructionWriter.write((Instruction12x) instruction);
                        break;
                    case Format20bc:
                        instructionWriter.write((Instruction20bc) instruction);
                        break;
                    case Format20t:
                        instructionWriter.write((Instruction20t) instruction);
                        break;
                    case Format21c:
                        instructionWriter.write((Instruction21c) instruction);
                        break;
                    case Format21ih:
                        instructionWriter.write((Instruction21ih) instruction);
                        break;
                    case Format21lh:
                        instructionWriter.write((Instruction21lh) instruction);
                        break;
                    case Format21s:
                        instructionWriter.write((Instruction21s) instruction);
                        break;
                    case Format21t:
                        instructionWriter.write((Instruction21t) instruction);
                        break;
                    case Format22b:
                        instructionWriter.write((Instruction22b) instruction);
                        break;
                    case Format22c:
                        instructionWriter.write((Instruction22c) instruction);
                        break;
                    case Format22cs:
                        instructionWriter.write((Instruction22cs) instruction);
                        break;
                    case Format22s:
                        instructionWriter.write((Instruction22s) instruction);
                        break;
                    case Format22t:
                        instructionWriter.write((Instruction22t) instruction);
                        break;
                    case Format22x:
                        instructionWriter.write((Instruction22x) instruction);
                        break;
                    case Format23x:
                        instructionWriter.write((Instruction23x) instruction);
                        break;
                    case Format30t:
                        instructionWriter.write((Instruction30t) instruction);
                        break;
                    case Format31c:
                        instructionWriter.write((Instruction31c) instruction);
                        break;
                    case Format31i:
                        instructionWriter.write((Instruction31i) instruction);
                        break;
                    case Format31t:
                        instructionWriter.write((Instruction31t) instruction);
                        break;
                    case Format32x:
                        instructionWriter.write((Instruction32x) instruction);
                        break;
                    case Format35c:
                        instructionWriter.write((Instruction35c) instruction);
                        break;
                    case Format35mi:
                        instructionWriter.write((Instruction35mi) instruction);
                        break;
                    case Format35ms:
                        instructionWriter.write((Instruction35ms) instruction);
                        break;
                    case Format3rc:
                        instructionWriter.write((Instruction3rc) instruction);
                        break;
                    case Format3rmi:
                        instructionWriter.write((Instruction3rmi) instruction);
                        break;
                    case Format3rms:
                        instructionWriter.write((Instruction3rms) instruction);
                        break;
                    case Format45cc:
                        instructionWriter.write((Instruction45cc) instruction);
                        break;
                    case Format4rcc:
                        instructionWriter.write((Instruction4rcc) instruction);
                        break;
                    case Format51l:
                        instructionWriter.write((Instruction51l) instruction);
                        break;
                    case ArrayPayload:
                        instructionWriter.write((ArrayPayload) instruction);
                        break;
                    case PackedSwitchPayload:
                        instructionWriter.write((PackedSwitchPayload) instruction);
                        break;
                    case SparseSwitchPayload:
                        instructionWriter.write((SparseSwitchPayload) instruction);
                        break;
                    default:
                        throw new ExceptionWithContext("Unsupported instruction format: %s", instruction.getOpcode().format);
                }
            } catch (RuntimeException ex) {
                throw new ExceptionWithContext(ex, "Error while writing instruction at code offset 0x%x", codeOffset);
            }
            codeOffset += instruction.getCodeUnits();
        }
        if (tryBlocks.size() > 0) {
            writer.align();
            // filter out unique lists of exception handlers
            Map<List<? extends ExceptionHandler>, Integer> exceptionHandlerOffsetMap = Maps.newHashMap();
            for (TryBlock<? extends ExceptionHandler> tryBlock : tryBlocks) {
                exceptionHandlerOffsetMap.put(tryBlock.getExceptionHandlers(), 0);
            }
            DexDataWriter.writeUleb128(ehBuf, exceptionHandlerOffsetMap.size());
            for (TryBlock<? extends ExceptionHandler> tryBlock : tryBlocks) {
                int startAddress = tryBlock.getStartCodeAddress();
                int endAddress = startAddress + tryBlock.getCodeUnitCount();
                int tbCodeUnitCount = endAddress - startAddress;
                writer.writeInt(startAddress);
                writer.writeUshort(tbCodeUnitCount);
                if (tryBlock.getExceptionHandlers().size() == 0) {
                    throw new ExceptionWithContext("No exception handlers for the try block!");
                }
                Integer offset = exceptionHandlerOffsetMap.get(tryBlock.getExceptionHandlers());
                if (offset != 0) {
                    // exception handler has already been written out, just use it
                    writer.writeUshort(offset);
                } else {
                    // if offset has not been set yet, we are about to write out a new exception handler
                    offset = ehBuf.size();
                    writer.writeUshort(offset);
                    exceptionHandlerOffsetMap.put(tryBlock.getExceptionHandlers(), offset);
                    // check if the last exception handler is a catch-all and adjust the size accordingly
                    int ehSize = tryBlock.getExceptionHandlers().size();
                    ExceptionHandler ehLast = tryBlock.getExceptionHandlers().get(ehSize - 1);
                    if (ehLast.getExceptionType() == null) {
                        ehSize = ehSize * (-1) + 1;
                    }
                    // now let's layout the exception handlers, assuming that catch-all is always last
                    DexDataWriter.writeSleb128(ehBuf, ehSize);
                    for (ExceptionHandler eh : tryBlock.getExceptionHandlers()) {
                        TypeKey exceptionTypeKey = classSection.getExceptionType(eh);
                        int codeAddress = eh.getHandlerCodeAddress();
                        if (exceptionTypeKey != null) {
                            // regular exception handling
                            DexDataWriter.writeUleb128(ehBuf, typeSection.getItemIndex(exceptionTypeKey));
                            DexDataWriter.writeUleb128(ehBuf, codeAddress);
                        } else {
                            // catch-all
                            DexDataWriter.writeUleb128(ehBuf, codeAddress);
                        }
                    }
                }
            }
            if (ehBuf.size() > 0) {
                ehBuf.writeTo(writer);
                ehBuf.reset();
            }
        }
    } else {
        // no instructions, all we have is the debug item offset
        writer.writeUshort(0);
        writer.writeUshort(0);
        writer.writeInt(debugItemOffset);
        writer.writeInt(0);
    }
    return codeItemOffset;
}