add: migrate source code of luahook

blcrack/cracker/Dobby/source/Backend/UserMode/Thread/PlatformThread.cc

@@ -0,0 +1,19 @@
+#include "./PlatformThread.h"
+
+namespace zz {
+int OSThread::GetThreadLocalInt(LocalStorageKey key) {
+  return static_cast<int>(reinterpret_cast<intptr_t>(GetThreadLocal(key)));
+}
+
+void OSThread::SetThreadLocalInt(LocalStorageKey key, int value) {
+  SetThreadLocal(key, reinterpret_cast<void *>(static_cast<intptr_t>(value)));
+}
+
+bool OSThread::HasThreadLocal(LocalStorageKey key) {
+  return GetThreadLocal(key) != nullptr;
+}
+
+void *OSThread::GetExistingThreadLocal(LocalStorageKey key) {
+  return GetThreadLocal(key);
+}
+} // namespace zz