1 files changed, 50 insertions, 0 deletions
diff --git a/compiler/ann-ref/src/MemoryTracker.cpp b/compiler/ann-ref/src/MemoryTracker.cpp
new file mode 100644
index 000000000..3c65149c6
--- /dev/null
+++ b/compiler/ann-ref/src/MemoryTracker.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Memory"
+
+#include "NeuralNetworks.h" // For ANEURALNETWORKS_...
+#include "MemoryTracker.h"
+
+#include "Logging.h"
+
+#include <unistd.h> // It's for 'close' and 'dup'
+                    // TODO-NNRT : Remove this if included another header including this.
+
+uint32_t MemoryTracker::add(const Memory *memory)
+{
+  VLOG(MODEL) << __func__ << " for " << memory;
+  // See if we already have this memory. If so,
+  // return its index.
+  auto i = mKnown.find(memory);
+  if (i != mKnown.end())
+  {
+    return i->second;
+  }
+  VLOG(MODEL) << "It's new";
+  // It's a new one.  Save it an assign an index to it.
+  size_t next = mKnown.size();
+  if (next > 0xFFFFFFFF)
+  {
+    LOG(ERROR) << "ANeuralNetworks more than 2^32 memories.";
+    return ANEURALNETWORKS_BAD_DATA;
+  }
+  uint32_t idx = static_cast<uint32_t>(next);
+  mKnown[memory] = idx;
+  mMemories.push_back(memory);
+  return idx;
+}