Introduce code serializer/deserializer.

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 48 matching lines @@
   AssemblerBase(Isolate* isolate, void* buffer, int buffer_size);
   virtual ~AssemblerBase();
 
   Isolate* isolate() const { return isolate_; }
   int jit_cookie() const { return jit_cookie_; }
 
   bool emit_debug_code() const { return emit_debug_code_; }
   void set_emit_debug_code(bool value) { emit_debug_code_ = value; }
 
   bool serializer_enabled() const { return serializer_enabled_; }
+  void enable_serializer() { serializer_enabled_ = true; }
 
   bool predictable_code_size() const { return predictable_code_size_; }
   void set_predictable_code_size(bool value) { predictable_code_size_ = value; }
 
   uint64_t enabled_cpu_features() const { return enabled_cpu_features_; }
   void set_enabled_cpu_features(uint64_t features) {
     enabled_cpu_features_ = features;
   }
   bool IsEnabled(CpuFeature f) {
     return (enabled_cpu_features_ & (static_cast<uint64_t>(1) << f)) != 0;
@@ skipping 1074 matching lines @@
 
  private:
   int32_t multiplier_;
   int32_t shift_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_