Examples with Signature net.runelite.asm.signature.Signature used on opensource projects

Example 1 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class Code method getMaxLocalsFromSig.

private int getMaxLocalsFromSig() {
    Method m = getMethod();
    int num = m.isStatic() ? 0 : 1;
    Signature sig = m.getDescriptor();
    for (int i = 0; i < sig.size(); ++i) num += sig.getTypeOfArg(i).getSize();
    return num;
}

Example 2 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class PacketWriteDeobfuscator method translate.

private Instruction translate(Instruction i) {
    if (!(i instanceof InvokeVirtual)) {
        return i;
    }
    InvokeVirtual ii = (InvokeVirtual) i;
    Method invoked = ii.getMethod();
    assert invoked.getType().size() == 1;
    Type argumentType = invoked.getType().getTypeOfArg(0);
    Method invokeMethod;
    if (argumentType.equals(Type.BYTE)) {
        invokeMethod = new Method(ii.getMethod().getClazz(), "runeliteWriteByte", new Signature("(B)V"));
    } else if (argumentType.equals(Type.SHORT)) {
        invokeMethod = new Method(ii.getMethod().getClazz(), "runeliteWriteShort", new Signature("(S)V"));
    } else if (argumentType.equals(Type.INT)) {
        invokeMethod = new Method(ii.getMethod().getClazz(), "runeliteWriteInt", new Signature("(I)V"));
    } else if (argumentType.equals(Type.LONG)) {
        invokeMethod = new Method(ii.getMethod().getClazz(), "runeliteWriteLong", new Signature("(J)V"));
    } else if (argumentType.equals(Type.STRING)) {
        invokeMethod = new Method(ii.getMethod().getClazz(), "runeliteWriteString", new Signature("(Ljava/lang/String;)V"));
    } else {
        throw new IllegalStateException("Unknown type " + argumentType);
    }
    return new InvokeVirtual(i.getInstructions(), invokeMethod);
}

Example 3 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class OpcodesTransformer method transform.

@Override
public void transform(ClassGroup group) {
    ClassFile runeliteOpcodes = group.findClass(RUNELITE_OPCODES);
    if (runeliteOpcodes == null) {
        runeliteOpcodes = new ClassFile(group);
        runeliteOpcodes.setName(RUNELITE_OPCODES);
        runeliteOpcodes.setSuperName(Type.OBJECT.getInternalName());
        runeliteOpcodes.setAccess(Opcodes.ACC_PUBLIC);
        group.addClass(runeliteOpcodes);
    } else {
        runeliteOpcodes.getFields().clear();
    }
    Method clinit = runeliteOpcodes.findMethod("<clinit>");
    if (clinit == null) {
        clinit = new Method(runeliteOpcodes, "<clinit>", new Signature("()V"));
        clinit.setStatic();
        Code code = new Code(clinit);
        code.setMaxStack(1);
        clinit.setCode(code);
        runeliteOpcodes.addMethod(clinit);
        Instructions instructions = code.getInstructions();
        instructions.addInstruction(new VReturn(instructions));
    }
}

Example 4 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class ClientErrorTransformer method transform.

private void transform(Method m) {
    if (!m.isStatic() || m.getDescriptor().size() != 2 || !m.getDescriptor().getTypeOfArg(0).equals(Type.STRING) || !m.getDescriptor().getTypeOfArg(1).equals(Type.THROWABLE))
        return;
    Code code = m.getCode();
    Instructions ins = code.getInstructions();
    /*
			Makes it so the old code in this method is logically dead,
			letting the mapper map it but making it so it's never executed.
		 */
    // load throwable
    Instruction aload0 = new ALoad(ins, 1);
    IfNull ifNull = new IfNull(ins, InstructionType.IFNULL);
    ifNull.setTo(ins.createLabelFor(ins.getInstructions().get(0)));
    // load throwable
    Instruction aload1 = new ALoad(ins, 1);
    InvokeVirtual printStackTrace = new InvokeVirtual(ins, new net.runelite.asm.pool.Method(new net.runelite.asm.pool.Class("java/lang/Throwable"), "printStackTrace", new Signature("()V")));
    Instruction ret = new VReturn(ins);
    ins.addInstruction(0, aload0);
    ins.addInstruction(1, ifNull);
    ins.addInstruction(2, aload1);
    ins.addInstruction(3, printStackTrace);
    ins.addInstruction(4, ret);
    done = true;
}

Example 5 with Signature

use of net.runelite.asm.signature.Signature in project runelite by runelite.

the class MaxMemoryTransformer method insert.

private void insert(Instructions ins, int idx) {
    Class randomClass = new net.runelite.asm.pool.Class("java/util/Random");
    ins.getInstructions().remove(idx);
    // pop runtime
    ins.getInstructions().add(idx++, new Pop(ins));
    ins.getInstructions().add(idx++, new New(ins, randomClass));
    ins.getInstructions().add(idx++, new Dup(ins));
    // new Random
    ins.getInstructions().add(idx++, new InvokeSpecial(ins, new net.runelite.asm.pool.Method(randomClass, "<init>", new Signature("()V"))));
    ins.getInstructions().add(idx++, new LDC(ins, 31457280));
    // nextInt(31457280)
    ins.getInstructions().add(idx++, new InvokeVirtual(ins, new net.runelite.asm.pool.Method(randomClass, "nextInt", new Signature("(I)I"))));
    ins.getInstructions().add(idx++, new LDC(ins, 230686720));
    // 230686720 + nextInt(31457280)
    ins.getInstructions().add(idx++, new IAdd(ins));
    ins.getInstructions().add(idx++, new I2L(ins));
}