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Example 1 with UnknownInstruction

use of org.jf.dexlib2.iface.instruction.formats.UnknownInstruction 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;
}
Also used : InvalidItemIndex(org.jf.dexlib2.dexbacked.DexBackedDexFile.InvalidItemIndex) FieldReference(org.jf.dexlib2.iface.reference.FieldReference) TypeReference(org.jf.dexlib2.iface.reference.TypeReference) Reference(org.jf.dexlib2.iface.reference.Reference) FieldReference(org.jf.dexlib2.iface.reference.FieldReference) MethodReference(org.jf.dexlib2.iface.reference.MethodReference) Opcode(org.jf.dexlib2.Opcode) ReferenceInstruction(org.jf.dexlib2.iface.instruction.ReferenceInstruction) ReferenceType(org.jf.dexlib2.ReferenceType) UnknownInstruction(org.jf.dexlib2.iface.instruction.formats.UnknownInstruction) Instruction20bc(org.jf.dexlib2.iface.instruction.formats.Instruction20bc) ExceptionWithContext(org.jf.util.ExceptionWithContext) MethodDefinition(com.taobao.android.baksmali.adaptors.MethodDefinition) MethodReference(org.jf.dexlib2.iface.reference.MethodReference) TypeReference(org.jf.dexlib2.iface.reference.TypeReference) Instruction31t(org.jf.dexlib2.iface.instruction.formats.Instruction31t)

Example 2 with UnknownInstruction

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

the class InstructionMethodItem method writeTo.

@Override
public boolean writeTo(IndentingWriter writer) throws IOException {
    Opcode opcode = instruction.getOpcode();
    String verificationErrorName = null;
    String referenceString = null;
    String referenceString2 = 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;
        String classContext = null;
        if (methodDef.classDef.options.implicitReferences) {
            classContext = methodDef.method.getDefiningClass();
        }
        try {
            Reference reference = referenceInstruction.getReference();
            referenceString = ReferenceUtil.getReferenceString(reference, classContext);
            assert referenceString != null;
        } catch (InvalidItemIndex ex) {
            commentOutInstruction = true;
            referenceString = writeInvalidItemIndex(ex, referenceInstruction.getReferenceType(), writer);
        } catch (ReferenceType.InvalidReferenceTypeException ex) {
            writer.write("#invalid reference type: ");
            writer.printSignedIntAsDec(ex.getReferenceType());
            commentOutInstruction = true;
            referenceString = "invalid_reference";
        }
        if (instruction instanceof DualReferenceInstruction) {
            DualReferenceInstruction dualReferenceInstruction = (DualReferenceInstruction) instruction;
            try {
                Reference reference2 = dualReferenceInstruction.getReference2();
                referenceString2 = ReferenceUtil.getReferenceString(reference2, classContext);
            } catch (InvalidItemIndex ex) {
                commentOutInstruction = true;
                referenceString2 = writeInvalidItemIndex(ex, dualReferenceInstruction.getReferenceType2(), writer);
            } catch (ReferenceType.InvalidReferenceTypeException ex) {
                writer.write("#invalid reference type: ");
                writer.printSignedIntAsDec(ex.getReferenceType());
                commentOutInstruction = true;
                referenceString2 = "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 (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 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;
        case Format45cc:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRegisters(writer);
            writer.write(", ");
            writer.write(referenceString);
            writer.write(", ");
            writer.write(referenceString2);
            break;
        case Format4rcc:
            writeOpcode(writer);
            writer.write(' ');
            writeInvokeRangeRegisters(writer);
            writer.write(", ");
            writer.write(referenceString);
            writer.write(", ");
            writer.write(referenceString2);
            break;
        default:
            assert false;
            return false;
    }
    if (commentOutInstruction) {
        writer.write("\nnop");
    }
    return true;
}
Also used : InvalidItemIndex(org.jf.dexlib2.dexbacked.DexBackedDexFile.InvalidItemIndex) Reference(org.jf.dexlib2.iface.reference.Reference) InvalidSwitchPayload(org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload) Opcode(org.jf.dexlib2.Opcode) ReferenceType(org.jf.dexlib2.ReferenceType) UnknownInstruction(org.jf.dexlib2.iface.instruction.formats.UnknownInstruction) Instruction20bc(org.jf.dexlib2.iface.instruction.formats.Instruction20bc) ExceptionWithContext(org.jf.util.ExceptionWithContext) Instruction31t(org.jf.dexlib2.iface.instruction.formats.Instruction31t)

Aggregations

Opcode (org.jf.dexlib2.Opcode)2 ReferenceType (org.jf.dexlib2.ReferenceType)2 InvalidItemIndex (org.jf.dexlib2.dexbacked.DexBackedDexFile.InvalidItemIndex)2 Instruction20bc (org.jf.dexlib2.iface.instruction.formats.Instruction20bc)2 Instruction31t (org.jf.dexlib2.iface.instruction.formats.Instruction31t)2 UnknownInstruction (org.jf.dexlib2.iface.instruction.formats.UnknownInstruction)2 Reference (org.jf.dexlib2.iface.reference.Reference)2 ExceptionWithContext (org.jf.util.ExceptionWithContext)2 MethodDefinition (com.taobao.android.baksmali.adaptors.MethodDefinition)1 InvalidSwitchPayload (org.jf.baksmali.Adaptors.MethodDefinition.InvalidSwitchPayload)1 ReferenceInstruction (org.jf.dexlib2.iface.instruction.ReferenceInstruction)1 FieldReference (org.jf.dexlib2.iface.reference.FieldReference)1 MethodReference (org.jf.dexlib2.iface.reference.MethodReference)1 TypeReference (org.jf.dexlib2.iface.reference.TypeReference)1