Make writing of frame translation platform independent.

src/lithium-codegen.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_LITHIUM_CODEGEN_H_
 #define V8_LITHIUM_CODEGEN_H_
 
 #include "src/v8.h"
 
 #include "src/bailout-reason.h"
 #include "src/compiler.h"
 #include "src/deoptimizer.h"
 
 namespace v8 {
 namespace internal {
 
+class LEnvironment;
 class LInstruction;
 class LPlatformChunk;
 
 class LCodeGenBase BASE_EMBEDDED {
  public:
   LCodeGenBase(LChunk* chunk,
                MacroAssembler* assembler,
                CompilationInfo* info);
   virtual ~LCodeGenBase() {}
 
@@ skipping 16 matching lines @@
   virtual void GenerateBodyInstructionPre(LInstruction* instr) {}
   virtual void GenerateBodyInstructionPost(LInstruction* instr) {}
 
   virtual void EnsureSpaceForLazyDeopt(int space_needed) = 0;
   virtual void RecordAndWritePosition(int position) = 0;
 
   int GetNextEmittedBlock() const;
 
   void RegisterWeakObjectsInOptimizedCode(Handle<Code> code);
 
+  void WriteTranslationFrame(LEnvironment* environment,
+                             Translation* translation);
+  int DefineDeoptimizationLiteral(Handle<Object> literal);
+
   // Check that an environment assigned via AssignEnvironment is actually being
   // used. Redundant assignments keep things alive longer than necessary, and
   // consequently lead to worse code, so it's important to minimize this.
   void CheckEnvironmentUsage();
 
  protected:
   enum Status {
     UNUSED,
     GENERATING,
     DONE,
     ABORTED
   };
 
   LPlatformChunk* const chunk_;
   MacroAssembler* const masm_;
   CompilationInfo* const info_;
   Zone* zone_;
   Status status_;
   int current_block_;
   int current_instruction_;
   const ZoneList<LInstruction*>* instructions_;
+  ZoneList<Handle<Object> > deoptimization_literals_;
   int last_lazy_deopt_pc_;
 
   bool is_unused() const { return status_ == UNUSED; }
   bool is_generating() const { return status_ == GENERATING; }
   bool is_done() const { return status_ == DONE; }
   bool is_aborted() const { return status_ == ABORTED; }
 
   void Abort(BailoutReason reason);
   void Retry(BailoutReason reason);
 
   // Methods for code dependencies.
   void AddDeprecationDependency(Handle<Map> map);
   void AddStabilityDependency(Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LITHIUM_CODEGEN_H_