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

Example 1 with IMul

use of net.runelite.asm.attributes.code.instructions.IMul in project runelite by runelite.

the class ExprArgOrderTest method test4.

@Test
public void test4() {
    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 = { new SiPush(ins, (short) 600), new ILoad(ins, 0), new LDC(ins, 3), new IMul(ins), new IAdd(ins), new Pop(ins), new ILoad(ins, 0), new LDC(ins, 3), new IMul(ins), new SiPush(ins, (short) 600), 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();
    for (int i = 2; i <= 7; ++i) {
        assertEquals(instructions.get(i).getType(), instructions.get(i + 6).getType());
    }
}

Example 2 with IMul

use of net.runelite.asm.attributes.code.instructions.IMul in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test1.

// aload                 2
// ldc_w                 1587543155
// iload                 4
// imul
// dup_x1
// ldc_w                 -2130376517
// imul
// putfield              class2/field279 I
// ldc_w                 -67313687
// imul
// putstatic             class29/field949 I
@Test
public void test1() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(5);
    // vars[0] = 3
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, 1587543155), constant2 = new LDC(ins, -2130376517), constant3 = new LDC(ins, -67313687);
    Instruction[] body = { // for dup_x1 to place before this
    new LDC(ins, 0), constant1, new ILoad(ins, 0), new IMul(ins), new Dup_X1(ins), constant2, new IMul(ins), new Pop(ins), new Pop(ins), constant3, new IMul(ins), new Pop(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    // check execution runs ok
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant2.getConstantAsInt() == 1;
    assert constant1.getConstantAsInt() * constant3.getConstantAsInt() == -1_095_175_765;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
    Assert.assertEquals(-1_095_175_765, constant3.getConstantAsInt());
}

Example 3 with IMul

use of net.runelite.asm.attributes.code.instructions.IMul in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test4.

@Test
public void test4() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    Instruction[] prepareVariables = { new LDC(ins, 3), new IStore(ins, 0) };
    for (Instruction i : prepareVariables) {
        ins.addInstruction(i);
    }
    LDC constant1 = new LDC(ins, 1807370871);
    LDC constant2 = new LDC(ins, 981643079);
    Label label1 = new Label(ins);
    Instruction[] body = { new ILoad(ins, 0), new LDC(ins, 2), new IMul(ins), new LDC(ins, 0), new IfEq(ins, label1), new Pop(ins), new LDC(ins, 3), label1, constant1, new IMul(ins), constant2, new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant2.getConstantAsInt() == 1;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
}

Example 4 with IMul

use of net.runelite.asm.attributes.code.instructions.IMul in project runelite by runelite.

the class MultiplicationDeobfuscatorTest method test13.

// sipush                512
// ldc                   -688421113
// imul
// ldc                   -585812297
// imul
// putstatic             class134/field2009 I
@Test
public void test13() {
    ClassGroup group = ClassGroupFactory.generateGroup();
    Code code = group.findClass("test").findMethod("func").getCode();
    Instructions ins = code.getInstructions();
    code.setMaxStack(2);
    LDC constant1 = new LDC(ins, -688421113);
    LDC constant2 = new LDC(ins, -585812297);
    Instruction[] body = { new SiPush(ins, (short) 512), constant1, new IMul(ins), constant2, new IMul(ins), new VReturn(ins) };
    for (Instruction i : body) {
        ins.addInstruction(i);
    }
    Execution e = new Execution(group);
    e.populateInitialMethods();
    e.run();
    assert constant1.getConstantAsInt() * constant2.getConstantAsInt() == 1;
    Deobfuscator d = new MultiplicationDeobfuscator();
    d.run(group);
    Assert.assertEquals(1, constant1.getConstantAsInt());
    Assert.assertEquals(1, constant2.getConstantAsInt());
}

Example 5 with IMul

use of net.runelite.asm.attributes.code.instructions.IMul in project runelite by runelite.

the class MultiplyOneDeobfuscatorTest method test2.

// iconst_1
// iconst_m1
// iload                 5
// if_icmpeq             LABEL0x56d1
// iload                 5
// iconst_1
// if_icmpne             LABEL0x56e8
// goto                  LABEL0x56d1
// LABEL0x56d1:
// getstatic             class139/field2130 I
// ldc_w                 -1440517609
// imul
// goto                  LABEL0x5708
// LABEL0x56e8:
// getstatic             class139/field2130 I
// ldc_w                 -1440517609
// imul
// getstatic             client/field377 I
// iadd
// iconst_2
// idiv
// LABEL0x5708:
// imul
// putstatic             client/field377 I
// 
// client.field377 = 1 * (-1 != var5 && var5 != 1?(class139.field2130 + client.field377) / 2:class139.field2130);
@Test
public void test2() {
    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), new LDC(ins, 2), new IStore(ins, 1) };
    for (Instruction i : prepareVariables) ins.addInstruction(i);
    Label label = new Label(ins), label2 = new Label(ins), label3 = new Label(ins);
    LDC one = new LDC(ins, 1);
    IMul mul = new IMul(ins);
    Instruction[] body = { one, new LDC(ins, -1), new ILoad(ins, 0), new IfICmpEq(ins, label), new Goto(ins, label2), label, new ILoad(ins, 1), new LDC(ins, -1440517609), new IDiv(ins), new Goto(ins, label3), label2, new ILoad(ins, 1), new LDC(ins, -1440517609), new IDiv(ins), label3, 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);
}