materialized-object-store.h

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// Copyright 2021 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_DEOPTIMIZER_MATERIALIZED_OBJECT_STORE_H_
#define V8_DEOPTIMIZER_MATERIALIZED_OBJECT_STORE_H_
 
#include <vector>
 
#include "src/handles/handles.h"
 
namespace v8 {
namespace internal {
 
class FixedArray;
class Isolate;
 
class MaterializedObjectStore {
 public:
  explicit MaterializedObjectStore(Isolate* isolate) : isolate_(isolate) {}
 
  DirectHandle<FixedArray> Get(Address fp);
  void Set(Address fp, DirectHandle<FixedArray> materialized_objects);
  bool Remove(Address fp);
 
 private:
  Isolate* isolate() const { return isolate_; }
  DirectHandle<FixedArray> GetStackEntries();
  DirectHandle<FixedArray> EnsureStackEntries(int size);
 
  int StackIdToIndex(Address fp);
 
  Isolate* isolate_;
  std::vector<Address> frame_fps_;
};
 
}  // namespace internal
}  // namespace v8
 
#endif  // V8_DEOPTIMIZER_MATERIALIZED_OBJECT_STORE_H_