libart-compiler cleanup

- Move compile-time code to src/compiler and libart-compiler
  OatWriter, ImageWriter, ElfWriter, ElfFixup, ElfStripper, stub generation
- Move ClassReference and MethodReference to remove MethodVerifier dependency on CompilerDriver
- Move runtime_support_llvm.cc out of src/compiler and next to runtime_support.cc
- Change dex2oat and gtests to directly depend on libart-compiler
- Move non-common definitions from Android.common.mk to more specific makefiles
- Add LOCAL_ADDITIONAL_DEPENDENCIES on appropriate makefiles

Change-Id: I897027e69945914128f21f317a92caf9255bc600
diff --git a/src/method_reference.h b/src/method_reference.h
new file mode 100644
index 0000000..ff8bf31
--- /dev/null
+++ b/src/method_reference.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2013 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 ART_SRC_METHOD_REFERENCE_H_
+#define ART_SRC_METHOD_REFERENCE_H_
+
+namespace art {
+
+class DexFile;
+
+// A class is uniquely located by its DexFile and the class_defs_ table index into that DexFile
+typedef std::pair<const DexFile*, uint32_t> ClassReference;
+
+// A method is uniquely located by its DexFile and the method_ids_ table index into that DexFile
+struct MethodReference {
+  MethodReference(const DexFile* file, uint32_t index) : dex_file(file), dex_method_index(index) {
+  }
+  const DexFile* dex_file;
+  uint32_t dex_method_index;
+};
+
+struct MethodReferenceComparator {
+  bool operator()(MethodReference mr1, MethodReference mr2) const {
+    if (mr1.dex_file == mr2.dex_file) {
+      return mr1.dex_method_index < mr2.dex_method_index;
+    } else {
+      return mr1.dex_file < mr2.dex_file;
+    }
+  }
+};
+
+}  // namespace art
+
+#endif  // ART_SRC_METHOD_REFERENCE_H_