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

Example 11 with ReferenceInstruction

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

the class MethodAnalyzer method analyzeNewArray.

private void analyzeNewArray(@Nonnull AnalyzedInstruction analyzedInstruction) {
    ReferenceInstruction instruction = (ReferenceInstruction) analyzedInstruction.instruction;
    TypeReference type = (TypeReference) instruction.getReference();
    if (type.getType().charAt(0) != '[') {
        throw new AnalysisException("new-array used with non-array type");
    }
    RegisterType arrayType = RegisterType.getRegisterType(classPath, type);
    setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, arrayType);
}

Example 12 with ReferenceInstruction

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

the class MethodAnalyzer method analyzeCheckCast.

private void analyzeCheckCast(@Nonnull AnalyzedInstruction analyzedInstruction) {
    ReferenceInstruction instruction = (ReferenceInstruction) analyzedInstruction.instruction;
    TypeReference reference = (TypeReference) instruction.getReference();
    RegisterType castRegisterType = RegisterType.getRegisterType(classPath, reference);
    setDestinationRegisterTypeAndPropagateChanges(analyzedInstruction, castRegisterType);
}

Example 13 with ReferenceInstruction

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

the class MethodAnalyzer method analyzePutGetVolatile.

private boolean analyzePutGetVolatile(@Nonnull AnalyzedInstruction analyzedInstruction, boolean analyzeResult) {
    FieldReference field = (FieldReference) ((ReferenceInstruction) analyzedInstruction.instruction).getReference();
    String fieldType = field.getType();
    Opcode originalOpcode = analyzedInstruction.instruction.getOpcode();
    Opcode opcode = classPath.getFieldInstructionMapper().getAndCheckDeodexedOpcode(fieldType, originalOpcode);
    Instruction deodexedInstruction;
    if (originalOpcode.isStaticFieldAccessor()) {
        OneRegisterInstruction instruction = (OneRegisterInstruction) analyzedInstruction.instruction;
        deodexedInstruction = new ImmutableInstruction21c(opcode, instruction.getRegisterA(), field);
    } else {
        TwoRegisterInstruction instruction = (TwoRegisterInstruction) analyzedInstruction.instruction;
        deodexedInstruction = new ImmutableInstruction22c(opcode, instruction.getRegisterA(), instruction.getRegisterB(), field);
    }
    analyzedInstruction.setDeodexedInstruction(deodexedInstruction);
    if (analyzeResult) {
        analyzeInstruction(analyzedInstruction);
    }
    return true;
}

Example 14 with ReferenceInstruction

use of org.jf.dexlib2.iface.instruction.ReferenceInstruction in project atlas by alibaba.

the class InstructionMethodItem method writeTo.

@Override
public boolean writeTo(IndentingWriter writer) throws IOException {
    Opcode opcode = instruction.getOpcode();
    String verificationErrorName = null;
    String referenceString = null;
    boolean commentOutInstruction = false;
    if (instruction instanceof Instruction20bc) {
        int verificationError = ((Instruction20bc) instruction).getVerificationError();
        verificationErrorName = VerificationError.getVerificationErrorName(verificationError);
        if (verificationErrorName == null) {
            writer.write("#was invalid verification error type: ");
            writer.printSignedIntAsDec(verificationError);
            writer.write("\n");
            verificationErrorName = "generic-error";
        }
    }
    if (instruction instanceof ReferenceInstruction) {
        ReferenceInstruction referenceInstruction = (ReferenceInstruction) instruction;
        try {
            Reference reference = referenceInstruction.getReference();
            String classContext = null;
            if (methodDef.classDef.options.useImplicitReferences) {
                classContext = methodDef.method.getDefiningClass();
            }
            referenceString = ReferenceUtil.getReferenceString(reference, classContext);
            if (methodDef.method.getName().equals("<clinit>")) {
                String clazz = methodDef.method.getDefiningClass();
                if (DexDiffInfo.getModifiedClasses(clazz) != null) {
                    referenceString = referenceString.replace(clazz, TypeGenUtil.newType(clazz));
                }
            }
            if (!methodDef.classDef.fullMethod) {
                if (reference instanceof MethodReference) {
                    MethodReference methodReference = (MethodReference) reference;
                    //                        String className = methodReference.getDefiningClass();
                    //                        String out1 = TypeGenUtil.getOuterClass(className);
                    //                        String out2 = TypeGenUtil.getOuterClass(ApkPatch.currentClassType);
                    //                        if (out1.equalsIgnoreCase(out2)) {
                    DexDiffInfo.addUsedMethods(methodReference);
                //                        }
                } else if (reference instanceof TypeReference) {
                    TypeReference typeReference = (TypeReference) reference;
                    DexDiffInfo.addUsedClass(typeReference.getType());
                } else if (reference instanceof FieldReference) {
                    FieldReference fieldReference = (FieldReference) reference;
                    DexDiffInfo.addUsedClass(fieldReference.getDefiningClass());
                }
            }
            assert referenceString != null;
        } catch (InvalidItemIndex ex) {
            writer.write("#");
            writer.write(ex.getMessage());
            writer.write("\n");
            commentOutInstruction = true;
            referenceString = String.format("%s@%d", ReferenceType.toString(referenceInstruction.getReferenceType()), ex.getInvalidIndex());
        } catch (ReferenceType.InvalidReferenceTypeException ex) {
            writer.write("#invalid reference type: ");
            writer.printSignedIntAsDec(ex.getReferenceType());
            commentOutInstruction = true;
            referenceString = "invalid_reference";
        }
    }
    if (instruction instanceof Instruction31t) {
        boolean validPayload = true;
        switch(instruction.getOpcode()) {
            case PACKED_SWITCH:
                int baseAddress = methodDef.getPackedSwitchBaseAddress(this.codeAddress + ((Instruction31t) instruction).getCodeOffset());
                if (baseAddress == -1) {
                    validPayload = false;
                }
                break;
            case SPARSE_SWITCH:
                baseAddress = methodDef.getSparseSwitchBaseAddress(this.codeAddress + ((Instruction31t) instruction).getCodeOffset());
                if (baseAddress == -1) {
                    validPayload = false;
                }
                break;
            case FILL_ARRAY_DATA:
                try {
                    methodDef.findPayloadOffset(this.codeAddress + ((Instruction31t) instruction).getCodeOffset(), Opcode.ARRAY_PAYLOAD);
                } catch (MethodDefinition.InvalidSwitchPayload ex) {
                    validPayload = false;
                }
                break;
            default:
                throw new ExceptionWithContext("Invalid 31t opcode: %s", instruction.getOpcode());
        }
        if (!validPayload) {
            writer.write("#invalid payload reference\n");
            commentOutInstruction = true;
        }
    }
    if (opcode.odexOnly()) {
        if (!isAllowedOdex(opcode)) {
            writer.write("#disallowed odex opcode\n");
            commentOutInstruction = true;
        }
    }
    if (commentOutInstruction) {
        writer.write("#");
    }
    switch(instruction.getOpcode().format) {
        case Format10t:
            writeOpcode(writer);
            writer.write(' ');
            writeTargetLabel(writer);
            break;
        case Format10x:
            if (instruction instanceof UnknownInstruction) {
                writer.write("#unknown opcode: 0x");
                writer.printUnsignedLongAsHex(((UnknownInstruction) instruction).getOriginalOpcode());
                writer.write('\n');
            }
            writeOpcode(writer);
            break;
        case Format11n:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeLiteral(writer);
            break;
        case Format11x:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            break;
        case Format12x:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            break;
        case Format20bc:
            writeOpcode(writer);
            writer.write(' ');
            writer.write(verificationErrorName);
            writer.write(", ");
            writer.write(referenceString);
            break;
        case Format20t:
        case Format30t:
            writeOpcode(writer);
            writer.write(' ');
            writeTargetLabel(writer);
            break;
        case Format21c:
        case Format31c:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writer.write(referenceString);
            break;
        case Format21ih:
        case Format21lh:
        case Format21s:
        case Format31i:
        case Format51l:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeLiteral(writer);
            if (instruction.getOpcode().setsWideRegister()) {
                writeCommentIfLikelyDouble(writer);
            } else {
                boolean isResourceId = writeCommentIfResourceId(writer);
                if (!isResourceId)
                    writeCommentIfLikelyFloat(writer);
            }
            break;
        case Format21t:
        case Format31t:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeTargetLabel(writer);
            break;
        case Format22b:
        case Format22s:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            writer.write(", ");
            writeLiteral(writer);
            break;
        case Format22c:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            writer.write(", ");
            writer.write(referenceString);
            break;
        case Format22cs:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            writer.write(", ");
            writeFieldOffset(writer);
            break;
        case Format22t:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            writer.write(", ");
            writeTargetLabel(writer);
            break;
        case Format22x:
        case Format32x:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            break;
        case Format23x:
            writeOpcode(writer);
            writer.write(' ');
            writeFirstRegister(writer);
            writer.write(", ");
            writeSecondRegister(writer);
            writer.write(", ");
            writeThirdRegister(writer);
            break;
        case Format25x:
            writeOpcode(writer);
            writer.write(' ');
            // vC, {vD, ...}
            writeInvoke25xRegisters(writer);
            break;
        case Format35c:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRegisters(writer);
            writer.write(", ");
            writer.write(referenceString);
            break;
        case Format35mi:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRegisters(writer);
            writer.write(", ");
            writeInlineIndex(writer);
            break;
        case Format35ms:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRegisters(writer);
            writer.write(", ");
            writeVtableIndex(writer);
            break;
        case Format3rc:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRangeRegisters(writer);
            writer.write(", ");
            writer.write(referenceString);
            break;
        case Format3rmi:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRangeRegisters(writer);
            writer.write(", ");
            writeInlineIndex(writer);
            break;
        case Format3rms:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRangeRegisters(writer);
            writer.write(", ");
            writeVtableIndex(writer);
            break;
        default:
            assert false;
            return false;
    }
    if (commentOutInstruction) {
        writer.write("\nnop");
    }
    return true;
}

Example 15 with ReferenceInstruction

use of org.jf.dexlib2.iface.instruction.ReferenceInstruction in project atlas by alibaba.

the class SmaliDiffUtils method diff.

public static boolean diff(DexDiffInfo diffInfo, String outterClassName, String className, File out) throws PatchException {
    String methodName = null;
    DexBackedMethod sDexBackedMethod = null;
    DexBackedClassDef oldDexBackClassDef = null;
    DexBackedClassDef newDexBackClassDef = null;
    File oldTemp = new File(out, "smaliTemp1");
    if (!oldTemp.exists()) {
        oldTemp.mkdirs();
    }
    File newTemp = new File(out, "smaliTemp2");
    if (!newTemp.exists()) {
        newTemp.mkdirs();
    }
    for (DexBackedClassDef dexBackedClassDef : diffInfo.getOldClasses()) {
        if (DexDiffer.getDalvikClassName(dexBackedClassDef.getType()).equals(outterClassName)) {
            oldDexBackClassDef = dexBackedClassDef;
        }
    }
    for (DexBackedClassDef dexBackedClassDef : diffInfo.getNewClasses()) {
        if (DexDiffer.getDalvikClassName(dexBackedClassDef.getType()).equals(outterClassName)) {
            newDexBackClassDef = dexBackedClassDef;
        }
    }
    if (oldDexBackClassDef == null) {
        return false;
    }
    disassemble(oldTemp, oldDexBackClassDef);
    disassemble(newTemp, newDexBackClassDef);
    Iterable<? extends DexBackedMethod> oldDexBackedMethods = oldDexBackClassDef.getMethods();
    Iterable<? extends DexBackedMethod> newDexBackedMethods = newDexBackClassDef.getMethods();
    boolean find = false;
    for (DexBackedMethod dexBackedMethod : newDexBackedMethods) {
        Iterator<? extends Instruction> instructions = dexBackedMethod.getImplementation().getInstructions().iterator();
        while (instructions.hasNext()) {
            Instruction instruction = instructions.next();
            if (instruction instanceof ReferenceInstruction) {
                Opcode opcode = instruction.getOpcode();
                if (opcode.referenceType == ReferenceType.METHOD) {
                    MethodReference methodReference = null;
                    try {
                        methodReference = (MethodReference) ((ReferenceInstruction) instruction).getReference();
                        if (DexDiffer.getDalvikClassName(methodReference.getDefiningClass()).equals(className)) {
                            sDexBackedMethod = dexBackedMethod;
                            find = true;
                            break;
                        }
                    } catch (DexBackedDexFile.InvalidItemIndex ex) {
                        ex.getStackTrace();
                    }
                }
            }
        }
        if (find) {
            break;
        }
    }
    for (DexBackedMethod dexBackedMethod : oldDexBackedMethods) {
        if (compare(dexBackedMethod, sDexBackedMethod)) {
            return true;
        }
    }
    return false;
}