public void TestAppModelQueries()
{
// Arrange
// We're currently in IlCppTests\bin\Debug\netcoreapp3.0 or similar
var testPath = Path.GetFullPath(Directory.GetCurrentDirectory() + @"\..\..\..\TestBinaries\ArraysAndPointers-ARM64");
// Act
var inspectors = Il2CppInspector.LoadFromFile(testPath + @"\ArraysAndPointers-ARM64.so", testPath + @"\global-metadata.dat");
var model = new TypeModel(inspectors[0]);
var app = new AppModel(model).Build();
// Assert
// Check VTable offset is accurate
Assert.AreEqual(0x130, app.GetVTableOffset());
// BufferedStream.Flush()
Assert.AreEqual(11, app.GetVTableIndexFromClassOffset(0x1E0));
var vtable = model.GetType("System.IO.BufferedStream").GetVTable();
Assert.AreEqual("get_CanWrite", vtable[app.GetVTableIndexFromClassOffset(0x1E0)].Name);
var method = app.Methods.Values.First(m => m.MethodCodeAddress == 0x7C94D4);
Assert.AreEqual("Flush", method.Method.Name);
Assert.AreEqual("System.IO.BufferedStream", method.Method.DeclaringType.FullName);
}
public void TestAppModelQueries()
{
// Arrange
// We're currently in IlCppTests\bin\Debug\netcoreapp3.0 or similar
var testPath = Path.GetFullPath(Directory.GetCurrentDirectory() + @"\..\..\..\TestBinaries\ArraysAndPointers-ARM64");
// Act
var inspectors = Il2CppInspector.LoadFromFile(testPath + @"\ArraysAndPointers-ARM64.so", testPath + @"\global-metadata.dat");
var model = new TypeModel(inspectors[0]);
var app = new AppModel(model);
// Assert
// Check VTable offset is accurate
// Note: this is for 2020.1 and below; it changed to 0x138 in 2020.2
Assert.AreEqual(0x130, app.GetVTableOffset());
// BufferedStream.Flush()
Assert.AreEqual(11, app.GetVTableIndexFromClassOffset(0x1E0));
var vtable = model.GetType("System.IO.BufferedStream").GetVTable();
// Check vtable calculations are correct
Assert.AreEqual("get_CanWrite", vtable[app.GetVTableIndexFromClassOffset(0x1E0)].Name);
// Check method lookup is correct
var method = app.Methods.Values.First(m => m.MethodCodeAddress == 0x7C94D4);
Assert.AreEqual("Flush", method.Method.Name);
Assert.AreEqual("System.IO.BufferedStream", method.Method.DeclaringType.FullName);
// AsyncStateMachineAttribute CAG - 0x3B7C58 - Type from Il2CppType**
// adrp x9,0xfca000 - ldr x9,[x9, #0x90] - ldr x0,[x9]
// Check Il2CppType * lookup is correct via AppModel
var typeRefPtr = (ulong)app.Image.ReadMappedWord(0xFCA090);
var typeFromRef = app.Types.Values.First(t => t.TypeRefPtrAddress == typeRefPtr).Type;
Assert.AreEqual("System.IO.StreamReader+<ReadAsyncInternal>d__65", typeFromRef.FullName);
// Check Il2CppType * lookup is correct via AddressMap
var map = app.GetAddressMap();
var appTypeReference = map[typeRefPtr];
Assert.AreEqual(typeof(AppTypeReference), appTypeReference.GetType());
Assert.AreEqual(typeFromRef, ((AppTypeReference)appTypeReference).Type.Type);
Assert.AreEqual(typeRefPtr, ((AppTypeReference)appTypeReference).Type.TypeRefPtrAddress);
}