Working dex2oat and oatexec

adb shell dex2oatd --dex-file=/system/framework/core.jar     --image=/system/framework/boot.oat --base=0x50000000 "'--method=Ljava/lang/System;logI(Ljava/lang/String;)V'" "'--method=Ljava/lang/System;log(CLjava/lang/String;Ljava/lang/Throwable;)V'"
adb shell dex2oatd --boot-dex-file=/system/framework/core.jar --boot=/system/framework/boot.oat --dex-file=/system/framework/art-test-dex-HelloWorld.jar --image=/system/framework/art-test-dex-HelloWorld.oat
adb shell oatexecd -Xbootclasspath:/system/framework/core.jar -Xbootimage:/system/framework/boot.oat -classpath /system/framework/art-test-dex-HelloWorld.jar -Ximage:/system/framework/art-test-dex-HelloWorld.oat HelloWorld

09-05 17:58:18.912  2385  2385 I System  : Hello, world!

Change-Id: I53e534068584f0c3a837313e4d517a0e4a7154fc
diff --git a/src/dex_file.h b/src/dex_file.h
index 73e6954..98e79a7 100644
--- a/src/dex_file.h
+++ b/src/dex_file.h
@@ -316,6 +316,9 @@
   static ClassPathEntry FindInClassPath(const StringPiece& descriptor,
                                         const ClassPath& class_path);
 
+  // Opens .dex file, guessing the format based on file extension
+  static const DexFile* Open(const std::string& filename);
+
   // Opens a .dex file from the file system.
   static const DexFile* OpenFile(const std::string& filename);