1 files changed, 4 insertions, 2 deletions
diff --git a/libunwindstack/include/unwindstack/Memory.h b/libunwindstack/include/unwindstack/Memory.h
index 3d81878..4b33ddb 100644
--- a/libunwindstack/include/unwindstack/Memory.h
+++ b/libunwindstack/include/unwindstack/Memory.h
@@ -35,13 +35,15 @@ class Memory {
   static std::shared_ptr<Memory> CreateProcessMemoryCached(pid_t pid);
   static std::shared_ptr<Memory> CreateOfflineMemory(const uint8_t* data, uint64_t start,
                                                      uint64_t end);
-  static std::unique_ptr<Memory> CreateFileMemory(const std::string& path, uint64_t offset);
+  static std::unique_ptr<Memory> CreateFileMemory(const std::string& path, uint64_t offset,
+                                                  uint64_t size = UINT64_MAX);
 
   virtual bool ReadString(uint64_t addr, std::string* dst, size_t max_read);
 
   virtual void Clear() {}
 
-  virtual bool IsLocal() const { return false; }
+  // Get pointer to directly access the data for buffers that support it.
+  virtual uint8_t* GetPtr(size_t /*addr*/ = 0) { return nullptr; }
 
   virtual size_t Read(uint64_t addr, void* dst, size_t size) = 0;
   virtual long ReadTag(uint64_t) { return -1; }