Index: src/heap/store-buffer.h |
diff --git a/src/heap/store-buffer.h b/src/heap/store-buffer.h |
index 9eeb00117b8509cd9082b2fdc9f61ee9692ad718..98a4a73ebdfbf3730d37d2af2c4e0e8760f32fc8 100644 |
--- a/src/heap/store-buffer.h |
+++ b/src/heap/store-buffer.h |
@@ -216,6 +216,40 @@ class DontMoveStoreBufferEntriesScope { |
StoreBuffer* store_buffer_; |
bool stored_state_; |
}; |
+ |
+ |
+class LocalStoreBuffer BASE_EMBEDDED { |
+ public: |
+ LocalStoreBuffer() : top_(new Node(nullptr)) {} |
+ |
+ ~LocalStoreBuffer() { |
+ Node* current = top_; |
+ while (current != nullptr) { |
+ Node* tmp = current->next; |
+ delete current; |
+ current = tmp; |
+ } |
+ } |
+ |
+ inline void Record(Address addr); |
+ inline void Process(StoreBuffer* store_buffer); |
+ |
+ private: |
+ static const int kBufferSize = 16 * KB; |
+ |
+ struct Node : Malloced { |
+ explicit Node(Node* next_node) : next(next_node), count(0) {} |
+ |
+ inline bool is_full() { return count == kBufferSize; } |
+ |
+ Node* next; |
+ Address buffer[kBufferSize]; |
+ int count; |
+ }; |
+ |
+ Node* top_; |
+}; |
+ |
} // namespace internal |
} // namespace v8 |