Examples with CstType com.android.dx.rop.cst.CstType used on opensource projects

Example 66 with CstType

use of com.android.dx.rop.cst.CstType in project J2ME-Loader by nikita36078.

the class CfTranslator method translate0.

/**
 * Performs the main act of translation. This method is separated
 * from {@link #translate} just to keep things a bit simpler in
 * terms of exception handling.
 *
 * @param context {@code non-null;} the state global to this invocation.
 * @param cf {@code non-null;} the class file
 * @param bytes {@code non-null;} contents of the file
 * @param cfOptions options for class translation
 * @param dexOptions options for dex output
 * @param dexFile {@code non-null;} dex output
 * @return {@code non-null;} the translated class
 */
private static ClassDefItem translate0(DxContext context, DirectClassFile cf, byte[] bytes, CfOptions cfOptions, DexOptions dexOptions, DexFile dexFile) {
    context.optimizerOptions.loadOptimizeLists(cfOptions.optimizeListFile, cfOptions.dontOptimizeListFile);
    // Build up a class to output.
    CstType thisClass = cf.getThisClass();
    int classAccessFlags = cf.getAccessFlags() & ~AccessFlags.ACC_SUPER;
    CstString sourceFile = (cfOptions.positionInfo == PositionList.NONE) ? null : cf.getSourceFile();
    ClassDefItem out = new ClassDefItem(thisClass, classAccessFlags, cf.getSuperclass(), cf.getInterfaces(), sourceFile);
    Annotations classAnnotations = AttributeTranslator.getClassAnnotations(cf, cfOptions);
    if (classAnnotations.size() != 0) {
        out.setClassAnnotations(classAnnotations, dexFile);
    }
    FieldIdsSection fieldIdsSection = dexFile.getFieldIds();
    MethodIdsSection methodIdsSection = dexFile.getMethodIds();
    processFields(cf, out, dexFile);
    processMethods(context, cf, cfOptions, dexOptions, out, dexFile);
    // intern constant pool method, field and type references
    ConstantPool constantPool = cf.getConstantPool();
    int constantPoolSize = constantPool.size();
    for (int i = 0; i < constantPoolSize; i++) {
        Constant constant = constantPool.getOrNull(i);
        if (constant instanceof CstMethodRef) {
            methodIdsSection.intern((CstBaseMethodRef) constant);
        } else if (constant instanceof CstInterfaceMethodRef) {
            methodIdsSection.intern(((CstInterfaceMethodRef) constant).toMethodRef());
        } else if (constant instanceof CstFieldRef) {
            fieldIdsSection.intern((CstFieldRef) constant);
        } else if (constant instanceof CstEnumRef) {
            fieldIdsSection.intern(((CstEnumRef) constant).getFieldRef());
        }
    }
    return out;
}

Example 67 with CstType

use of com.android.dx.rop.cst.CstType in project J2ME-Loader by nikita36078.

the class RopToDop method dopFor.

/**
 * Returns the dalvik opcode appropriate for the given register-based
 * instruction.
 *
 * @param insn {@code non-null;} the original instruction
 * @return the corresponding dalvik opcode; one of the constants in
 * {@link Dops}
 */
public static Dop dopFor(Insn insn) {
    Rop rop = insn.getOpcode();
    /*
         * First, just try looking up the rop in the MAP of easy
         * cases.
         */
    Dop result = MAP.get(rop);
    if (result != null) {
        return result;
    }
    switch(rop.getOpcode()) {
        case RegOps.MOVE_EXCEPTION:
            return Dops.MOVE_EXCEPTION;
        case RegOps.INVOKE_STATIC:
            return Dops.INVOKE_STATIC;
        case RegOps.INVOKE_VIRTUAL:
            return Dops.INVOKE_VIRTUAL;
        case RegOps.INVOKE_SUPER:
            return Dops.INVOKE_SUPER;
        case RegOps.INVOKE_DIRECT:
            return Dops.INVOKE_DIRECT;
        case RegOps.INVOKE_INTERFACE:
            return Dops.INVOKE_INTERFACE;
        case RegOps.INVOKE_POLYMORPHIC:
            return Dops.INVOKE_POLYMORPHIC;
        case RegOps.NEW_ARRAY:
            return Dops.NEW_ARRAY;
        case RegOps.FILLED_NEW_ARRAY:
            return Dops.FILLED_NEW_ARRAY;
        case RegOps.FILL_ARRAY_DATA:
            return Dops.FILL_ARRAY_DATA;
        case RegOps.MOVE_RESULT:
            {
                RegisterSpec resultReg = insn.getResult();
                if (resultReg == null) {
                    return Dops.NOP;
                } else {
                    switch(resultReg.getBasicType()) {
                        case Type.BT_INT:
                        case Type.BT_FLOAT:
                        case Type.BT_BOOLEAN:
                        case Type.BT_BYTE:
                        case Type.BT_CHAR:
                        case Type.BT_SHORT:
                            return Dops.MOVE_RESULT;
                        case Type.BT_LONG:
                        case Type.BT_DOUBLE:
                            return Dops.MOVE_RESULT_WIDE;
                        case Type.BT_OBJECT:
                            return Dops.MOVE_RESULT_OBJECT;
                        default:
                            {
                                throw new RuntimeException("Unexpected basic type");
                            }
                    }
                }
            }
        case RegOps.GET_FIELD:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.IGET_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.IGET_BYTE;
                    case Type.BT_CHAR:
                        return Dops.IGET_CHAR;
                    case Type.BT_SHORT:
                        return Dops.IGET_SHORT;
                    case Type.BT_INT:
                        return Dops.IGET;
                }
                break;
            }
        case RegOps.PUT_FIELD:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.IPUT_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.IPUT_BYTE;
                    case Type.BT_CHAR:
                        return Dops.IPUT_CHAR;
                    case Type.BT_SHORT:
                        return Dops.IPUT_SHORT;
                    case Type.BT_INT:
                        return Dops.IPUT;
                }
                break;
            }
        case RegOps.GET_STATIC:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.SGET_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.SGET_BYTE;
                    case Type.BT_CHAR:
                        return Dops.SGET_CHAR;
                    case Type.BT_SHORT:
                        return Dops.SGET_SHORT;
                    case Type.BT_INT:
                        return Dops.SGET;
                }
                break;
            }
        case RegOps.PUT_STATIC:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.SPUT_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.SPUT_BYTE;
                    case Type.BT_CHAR:
                        return Dops.SPUT_CHAR;
                    case Type.BT_SHORT:
                        return Dops.SPUT_SHORT;
                    case Type.BT_INT:
                        return Dops.SPUT;
                }
                break;
            }
        case RegOps.CONST:
            {
                Constant cst = ((ThrowingCstInsn) insn).getConstant();
                if (cst instanceof CstType) {
                    return Dops.CONST_CLASS;
                } else if (cst instanceof CstString) {
                    return Dops.CONST_STRING;
                }
                break;
            }
    }
    throw new RuntimeException("unknown rop: " + rop);
}

Example 68 with CstType

use of com.android.dx.rop.cst.CstType in project J2ME-Loader by nikita36078.

the class Form21c method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    if (!(insn instanceof CstInsn)) {
        return false;
    }
    RegisterSpecList regs = insn.getRegisters();
    RegisterSpec reg;
    switch(regs.size()) {
        case 1:
            {
                reg = regs.get(0);
                break;
            }
        case 2:
            {
                /*
                 * This format is allowed for ops that are effectively
                 * 2-arg but where the two args are identical.
                 */
                reg = regs.get(0);
                if (reg.getReg() != regs.get(1).getReg()) {
                    return false;
                }
                break;
            }
        default:
            {
                return false;
            }
    }
    if (!unsignedFitsInByte(reg.getReg())) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    int cpi = ci.getIndex();
    Constant cst = ci.getConstant();
    if (!unsignedFitsInShort(cpi)) {
        return false;
    }
    return (cst instanceof CstType) || (cst instanceof CstFieldRef) || (cst instanceof CstString);
}

Example 69 with CstType

use of com.android.dx.rop.cst.CstType in project J2ME-Loader by nikita36078.

the class Form31c method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    if (!(insn instanceof CstInsn)) {
        return false;
    }
    RegisterSpecList regs = insn.getRegisters();
    RegisterSpec reg;
    switch(regs.size()) {
        case 1:
            {
                reg = regs.get(0);
                break;
            }
        case 2:
            {
                /*
                 * This format is allowed for ops that are effectively
                 * 2-arg but where the two args are identical.
                 */
                reg = regs.get(0);
                if (reg.getReg() != regs.get(1).getReg()) {
                    return false;
                }
                break;
            }
        default:
            {
                return false;
            }
    }
    if (!unsignedFitsInByte(reg.getReg())) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    Constant cst = ci.getConstant();
    return (cst instanceof CstType) || (cst instanceof CstFieldRef) || (cst instanceof CstString);
}

Example 70 with CstType

use of com.android.dx.rop.cst.CstType in project J2ME-Loader by nikita36078.

the class Form35c method isCompatible.

/**
 * {@inheritDoc}
 */
@Override
public boolean isCompatible(DalvInsn insn) {
    if (!(insn instanceof CstInsn)) {
        return false;
    }
    CstInsn ci = (CstInsn) insn;
    int cpi = ci.getIndex();
    if (!unsignedFitsInShort(cpi)) {
        return false;
    }
    Constant cst = ci.getConstant();
    if (!((cst instanceof CstMethodRef) || (cst instanceof CstType))) {
        return false;
    }
    RegisterSpecList regs = ci.getRegisters();
    return (wordCount(regs) >= 0);
}