Add 64-bit stubs to call into the runtime and to call native functions.

runtime/vm/runtime_entry.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_RUNTIME_ENTRY_H_
 #define VM_RUNTIME_ENTRY_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/flags.h"
@@ skipping 15 matching lines @@
       : name_(name),
         function_(function),
         argument_count_(argument_count) { }
   ~RuntimeEntry() {}
 
   const char* name() const { return name_; }
   RuntimeFunction function() const { return function_; }
   int argument_count() const { return argument_count_; }
   uword GetEntryPoint() const { return reinterpret_cast<uword>(function()); }
 
+  // Add function to a class and that class to the class dictionary so that
+  // frame walking can be used (for testing purposes only).
+  static const Function& RegisterFakeFunction(const char* name,

[Ivan Posva, 2011/12/07 08:34:51]

Please do not put testing code into non-test sources.

[regis, 2011/12/07 19:37:36]

Made the function global in runtime_entry_test.cc.

+                                              const Code& code);
+
   // Generate code to call the runtime entry.
   void CallFromDart(Assembler* assembler) const;
   void CallFromStub(Assembler* assembler) const;
 
  private:
   const char* name_;
   RuntimeFunction function_;
   int argument_count_;
 
   DISALLOW_COPY_AND_ASSIGN(RuntimeEntry);
@@ skipping 19 matching lines @@
     VERIFY_ON_TRANSITION;                                                      \
   }                                                                            \
   static void DRT_Helper##name(Isolate* isolate, NativeArguments arguments)
 
 #define DECLARE_RUNTIME_ENTRY(name)                                            \
   extern const RuntimeEntry k##name##RuntimeEntry
 
 }  // namespace dart
 
 #endif  // VM_RUNTIME_ENTRY_H_