VM: New calling convention for generated code.

runtime/vm/stub_code.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_STUB_CODE_H_
 #define VM_STUB_CODE_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 
@@ skipping 142 matching lines @@
     kCollectRanges,
     kIgnoreRanges
   };
 
   // Generate the stub and finalize the generated code into the stub
   // code executable area.
   static RawCode* Generate(const char* name,
                            void (*GenerateStub)(Assembler* assembler));
 
   static void GenerateMegamorphicMissStub(Assembler* assembler);
-  static void GenerateAllocationStubForClass(
-      Assembler* assembler, const Class& cls,
-      uword* entry_patch_offset, uword* patch_code_pc_offset);
+  static void GenerateAllocationStubForClass(Assembler* assembler,
+                                             const Class& cls);
   static void GenerateNArgsCheckInlineCacheStub(
       Assembler* assembler,
       intptr_t num_args,
       const RuntimeEntry& handle_ic_miss,
       Token::Kind kind,
       RangeCollectionMode range_collection_mode,
       bool optimized = false);
   static void GenerateUsageCounterIncrement(Assembler* assembler,
                                             Register temp_reg);
   static void GenerateOptimizedUsageCounterIncrement(Assembler* assembler);
 };
 
+
+enum DeoptStubKind {
+  kLazyDeopt,
+  kEagerDeopt
+};
+
 }  // namespace dart
 
 #endif  // VM_STUB_CODE_H_