Examples with Instructions net.runelite.asm.attributes.code.Instructions used on opensource projects

Example 56 with Instructions

use of net.runelite.asm.attributes.code.Instructions in project runelite by runelite.

the class MultiplyOneDeobfuscatorTest method test.

@Test
public void test() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) ins.addInstruction(i);
    Label label = new Label(ins), label2 = new Label(ins);
    LDC one = new LDC(ins, 1);
    IMul mul = new IMul(ins);
    Instruction[] body = { new SiPush(ins, (short) 256), new ILoad(ins, 0), new IfEq(ins, label), label, one, label2, mul, new VReturn(ins) };
    for (Instruction i : body) ins.addInstruction(i);
    // check execution runs ok
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    Deobfuscator d = new MultiplyOneDeobfuscator(false);
    d.run(group);
    Assert.assertTrue(one.getInstructions() == null);
    Assert.assertTrue(mul.getInstructions() == null);
}

Example 57 with Instructions

use of net.runelite.asm.attributes.code.Instructions in project runelite by runelite.

the class MultiplyOneDeobfuscatorTest method testDir.

@Test
public void testDir() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) ins.addInstruction(i);
    Label label = new Label(ins), label2 = new Label(ins);
    LDC one = new LDC(ins, 1);
    Instruction[] body = { new SiPush(ins, (short) 256), new ILoad(ins, 0), new IfEq(ins, label), new LDC(ins, 2), new Goto(ins, label2), label, one, label2, new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) ins.addInstruction(i);
    // check execution runs ok
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    Deobfuscator d = new MultiplyOneDeobfuscator(false);
    d.run(group);
    Assert.assertTrue(one.getInstructions() != null);
}

Example 58 with Instructions

use of net.runelite.asm.attributes.code.Instructions in project runelite by runelite.

the class ExprArgOrderTest method test3.

@Test
public void test3() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    Instruction[] body = { // 512 + (3 + var1) -> var1 + 3 + 512
    new LDC(ins, 512), new LDC(ins, 3), new ILoad(ins, 0), new IAdd(ins), new IAdd(ins), new Pop(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    ExprArgOrder exprArgOrder = new ExprArgOrder();
    exprArgOrder.run(group);
    List<Instruction> instructions = ins.getInstructions();
    // 2: iload
    // 3: iconst 3
    // 4: iadd
    // 5: ldc
    // 6: add
    assertEquals(IADD, instructions.get(4).getType());
    assertEquals(IADD, instructions.get(6).getType());
}

Example 59 with Instructions

use of net.runelite.asm.attributes.code.Instructions in project runelite by runelite.

the class ExprArgOrderTest method test5.

@Test
public void test5() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    Label label = new Label(ins);
    Instruction[] body = { // if (0 == 3 + var0) -> if (var0 + 3 == 0)
    new LDC(ins, 0), new LDC(ins, 3), new ILoad(ins, 0), new IAdd(ins), new IfICmpEq(ins, label), label, new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    ExprArgOrder exprArgOrder = new ExprArgOrder();
    exprArgOrder.run(group);
    List<Instruction> instructions = ins.getInstructions();
    // ldc iload add -> iload ldc iadd
    assertEquals(ILOAD, instructions.get(2).getType());
    assertEquals(LDC, instructions.get(3).getType());
    assertEquals(IADD, instructions.get(4).getType());
    // idc moves from 2 to 5
    assertEquals(LDC, instructions.get(5).getType());
    assertEquals(IF_ICMPEQ, instructions.get(6).getType());
}

Example 60 with Instructions

use of net.runelite.asm.attributes.code.Instructions in project runelite by runelite.

the class ExprArgOrderTest method test6.

@Test
public void test6() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    Label label = new Label(ins);
    /*
		iconst_0
		ldc                   8388608
		iload_3
		iadd
		ldc                   -16777216
		iand
		if_icmpeq             LABEL0x49
		 */
    Instruction[] body = { new LDC(ins, 0), new LDC(ins, 8388608), new ILoad(ins, 0), new IAdd(ins), new LDC(ins, -16777216), new IAnd(ins), // 8
    new IfICmpEq(ins, label), label, new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    ExprArgOrder exprArgOrder = new ExprArgOrder();
    exprArgOrder.run(group);
    List<Instruction> instructions = ins.getInstructions();
    assertEquals(ILOAD, instructions.get(2).getType());
    assertEquals(LDC, instructions.get(3).getType());
    assertEquals(IADD, instructions.get(4).getType());
    assertEquals(LDC, instructions.get(5).getType());
    assertEquals(IAND, instructions.get(6).getType());
    assertEquals(LDC, instructions.get(7).getType());
    assertEquals(IF_ICMPEQ, instructions.get(8).getType());
}