[VM, Precompiler] PoC Obfuscator

runtime/vm/object.h

Index: runtime/vm/object.h
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index 55fdbb5a52e0332cab9c177a20f5d411c1e2351e..cea67f9cb181d7ea786b782b367c59e17f713382 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -4047,6 +4047,11 @@ class Library : public Object {
 
   static RawLibrary* New();
 
+  // These methods are only used by the Precompiler to obfuscate
+  // the name and url.
+  void set_name(const String& name) const;
+  void set_url(const String& url) const;
+
   void set_num_imports(intptr_t value) const;
   bool HasExports() const;
   RawArray* loaded_scripts() const { return raw_ptr()->loaded_scripts_; }
@@ -5660,6 +5665,7 @@ class Instance : public Object {
   friend class InstanceDeserializationCluster;
   friend class ClassDeserializationCluster;  // vtable
   friend class InstanceMorpher;
+  friend class Obfuscator;  // RawGetFieldAtOffset, RawSetFieldAtOffset
 };
 
 class LibraryPrefix : public Instance {