use of net.runelite.asm.attributes.code.instructions.VReturn in project runelite by runelite.
the class MultiplicationDeobfuscatorTest 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);
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);
}
LDC constant1 = new LDC(ins, -2079217519), constant2 = new LDC(ins, -2079217519), constant3 = new LDC(ins, 561453169);
Instruction[] body = { new ILoad(ins, 0), constant1, new IMul(ins), new IStore(ins, 2), new ILoad(ins, 2), new ILoad(ins, 1), constant2, new IMul(ins), new IAdd(ins), constant3, 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() * constant3.getConstantAsInt() == 1;
Deobfuscator d = new MultiplicationDeobfuscator();
d.run(group);
Assert.assertEquals(1, constant1.getConstantAsInt());
Assert.assertEquals(1, constant2.getConstantAsInt());
Assert.assertEquals(1, constant3.getConstantAsInt());
}
use of net.runelite.asm.attributes.code.instructions.VReturn 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);
}
use of net.runelite.asm.attributes.code.instructions.VReturn 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);
}
use of net.runelite.asm.attributes.code.instructions.VReturn 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());
}
use of net.runelite.asm.attributes.code.instructions.VReturn 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());
}
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