private int GetMethodAddress(Il2Cpp il2Cpp, Metadata metadata, Il2CppExecutor executor, string methodType, string methodName)
{
if (il2Cpp.Version >= 27)
{
var sectionHelper = executor.GetSectionHelper();
foreach (var sec in sectionHelper.data)
{
il2Cpp.Position = sec.offset;
while (il2Cpp.Position < sec.offsetEnd - il2Cpp.PointerSize)
{
var addr = il2Cpp.Position;
var metadataValue = il2Cpp.ReadUIntPtr();
var position = il2Cpp.Position;
if (metadataValue < uint.MaxValue)
{
var encodedToken = (uint)metadataValue;
var usage = metadata.GetEncodedIndexType(encodedToken);
if (usage > 0 && usage <= 6)
{
var decodedIndex = metadata.GetDecodedMethodIndex(encodedToken);
if (metadataValue == ((usage << 29) | (decodedIndex << 1)) + 1)
{
var va = il2Cpp.MapRTVA(addr);
if (va > 0)
{
switch ((Il2CppMetadataUsage)usage)
{
case Il2CppMetadataUsage.kIl2CppMetadataUsageMethodRef:
if (decodedIndex < il2Cpp.methodSpecs.Length)
{
var methodSpec = il2Cpp.methodSpecs[decodedIndex];
(var methodSpecTypeName, var methodSpecMethodName) = executor.GetMethodSpecName(methodSpec, true);
if (methodSpecTypeName == methodType && methodSpecMethodName == methodName)
{
return((int)il2Cpp.GetRVA(va));
}
;
}
break;
}
if (il2Cpp.Position != position)
{
il2Cpp.Position = position;
}
}
}
}
}
}
}
}
return(0);
}
private int GetTypeInfoAddress(Il2Cpp il2Cpp, Metadata metadata, Il2CppExecutor executor, string typeToFind)
{
if (il2Cpp.Version >= 27)
{
var sectionHelper = executor.GetSectionHelper();
foreach (var sec in sectionHelper.data)
{
il2Cpp.Position = sec.offset;
while (il2Cpp.Position < sec.offsetEnd - il2Cpp.PointerSize)
{
var addr = il2Cpp.Position;
var metadataValue = il2Cpp.ReadUIntPtr();
var position = il2Cpp.Position;
if (metadataValue < uint.MaxValue)
{
var encodedToken = (uint)metadataValue;
var usage = metadata.GetEncodedIndexType(encodedToken);
if (usage > 0 && usage <= 6)
{
var decodedIndex = metadata.GetDecodedMethodIndex(encodedToken);
if (metadataValue == ((usage << 29) | (decodedIndex << 1)) + 1)
{
var va = il2Cpp.MapRTVA(addr);
if (va > 0)
{
switch ((Il2CppMetadataUsage)usage)
{
case Il2CppMetadataUsage.kIl2CppMetadataUsageTypeInfo:
if (decodedIndex < il2Cpp.types.Length)
{
var type = il2Cpp.types[decodedIndex];
var typeName = executor.GetTypeName(type, true, false);
if (typeName.Contains(typeToFind))
{
return((int)il2Cpp.GetRVA(va));
}
}
break;
}
if (il2Cpp.Position != position)
{
il2Cpp.Position = position;
}
}
}
}
}
}
}
}
return(0);
}