Compile and simulate first dart function on arm generated from ast.

runtime/vm/assembler_macros_arm.h

 // Copyright (c) 2013, 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.
 // The class 'AssemblerMacros' contains assembler instruction groups that
 // are used in Dart.
 
 #ifndef VM_ASSEMBLER_MACROS_ARM_H_
 #define VM_ASSEMBLER_MACROS_ARM_H_
 
 #ifndef VM_ASSEMBLER_MACROS_H_
@@ skipping 19 matching lines @@
   static void TryAllocate(Assembler* assembler,
                           const Class& cls,
                           Label* failure,
                           bool near_jump,
                           Register instance_reg);
 
   // Set up a dart frame on entry with a frame pointer and PC information to
   // enable easy access to the RawInstruction object of code corresponding
   // to this frame.
   static void EnterDartFrame(Assembler* assembler, intptr_t frame_size);
+  static void LeaveDartFrame(Assembler* assembler);
 
   // Set up a stub frame so that the stack traversal code can easily identify
   // a stub frame.
   static void EnterStubFrame(Assembler* assembler);
+  static void LeaveStubFrame(Assembler* assembler);
 
   // Instruction pattern from entrypoint is used in dart frame prologs
   // to set up the frame and save a PC which can be used to figure out the
   // RawInstruction object corresponding to the code running in the frame.
-  static const intptr_t kOffsetOfSavedPCfromEntrypoint = -1;  // UNIMPLEMENTED.
+  static const intptr_t kOffsetOfSavedPCfromEntrypoint = Instr::kPCReadOffset;
 };
 
 }  // namespace dart.
 
 #endif  // VM_ASSEMBLER_MACROS_ARM_H_