First commit of split-select tool

This tool emits a set of rules as JSON for when a Split APK
should match a target device.

Change-Id: I8bfbdfbdb51efcfc645889dd03e1961f16e39645
diff --git a/tools/split-select/Abi.h b/tools/split-select/Abi.h
new file mode 100644
index 0000000..3e00eba
--- /dev/null
+++ b/tools/split-select/Abi.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2014 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 H_ANDROID_SPLIT_ABI
+#define H_ANDROID_SPLIT_ABI
+
+#include <vector>
+
+namespace split {
+namespace abi {
+
+enum class Variant {
+    none = 0,
+    armeabi,
+    armeabi_v7a,
+    arm64_v8a,
+    x86,
+    x86_64,
+    mips,
+    mips64,
+};
+
+enum class Family {
+    none,
+    arm,
+    intel,
+    mips,
+};
+
+Family getFamily(Variant variant);
+const std::vector<Variant>& getVariants(Family family);
+const char* toString(Variant variant);
+
+} // namespace abi
+} // namespace split
+
+#endif // H_ANDROID_SPLIT_ABI