diff --git a/base/include/hidl/HidlInternal.h b/base/include/hidl/HidlInternal.h
new file mode 100644
index 0000000..5739137
--- /dev/null
+++ b/base/include/hidl/HidlInternal.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HIDL_INTERNAL_H
+#define ANDROID_HIDL_INTERNAL_H
+
+#include <cstdint>
+#include <utility>
+
+namespace android {
+namespace hardware {
+namespace details {
+
+// hidl_log_base is a base class that templatized
+// classes implemented in a header can inherit from,
+// to avoid creating dependencies on liblog.
+struct hidl_log_base {
+    void logAlwaysFatal(const char *message) const;
+};
+
+// HIDL client/server code should *NOT* use this class.
+//
+// hidl_pointer wraps a pointer without taking ownership,
+// and stores it in a union with a uint64_t. This ensures
+// that we always have enough space to store a pointer,
+// regardless of whether we're running in a 32-bit or 64-bit
+// process.
+template<typename T>
+struct hidl_pointer {
+    hidl_pointer()
+        : mPointer(nullptr) {
+    }
+    hidl_pointer(T* ptr)
+        : mPointer(ptr) {
+    }
+    hidl_pointer(const hidl_pointer<T>& other) {
+        mPointer = other.mPointer;
+    }
+    hidl_pointer(hidl_pointer<T>&& other) {
+        *this = std::move(other);
+    }
+
+    hidl_pointer &operator=(const hidl_pointer<T>& other) {
+        mPointer = other.mPointer;
+        return *this;
+    }
+    hidl_pointer &operator=(hidl_pointer<T>&& other) {
+        mPointer = other.mPointer;
+        other.mPointer = nullptr;
+        return *this;
+    }
+    hidl_pointer &operator=(T* ptr) {
+        mPointer = ptr;
+        return *this;
+    }
+
+    operator T*() const {
+        return mPointer;
+    }
+    explicit operator void*() const { // requires explicit cast to avoid ambiguity
+        return mPointer;
+    }
+    T& operator*() const {
+        return *mPointer;
+    }
+    T* operator->() const {
+        return mPointer;
+    }
+    T &operator[](size_t index) {
+        return mPointer[index];
+    }
+    const T &operator[](size_t index) const {
+        return mPointer[index];
+    }
+private:
+    union {
+        T* mPointer;
+        uint64_t _pad;
+    };
+};
+
+}  // namespace details
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HIDL_INTERNAL_H