Add ELF loader to OatFile.

Change-Id: I062c3cc78ff9a35d0efcbc9451e7e7ccb055667b
diff --git a/src/class_linker.h b/src/class_linker.h
index 3226a6f..b6727d9 100644
--- a/src/class_linker.h
+++ b/src/class_linker.h
@@ -290,6 +290,9 @@
   // Get the oat code for a method when its class isn't yet initialized
   const void* GetOatCodeFor(const Method* method);
 
+  // Relocate the OatFiles (ELF images)
+  void RelocateExecutable();
+
   pid_t GetClassesLockOwner(); // For SignalCatcher.
   pid_t GetDexLockOwner(); // For SignalCatcher.