Insert an empty read barrier call.

Bug: 12687968
Change-Id: Ie1d28658e16e09f6a983cb5c1f0d5b375b7ae069

1 files changed, 47 insertions, 0 deletions

diff --git a/runtime/read_barrier-inl.h b/runtime/read_barrier-inl.h
new file mode 100644
index 0000000000..ea2f8307b8
--- /dev/null
+++ b/runtime/read_barrier-inl.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef ART_RUNTIME_READ_BARRIER_INL_H_
+#define ART_RUNTIME_READ_BARRIER_INL_H_
+
+#include "read_barrier.h"
+
+#include "mirror/object_reference.h"
+
+namespace art {
+
+template <typename MirrorType, bool kDoReadBarrier>
+inline MirrorType* ReadBarrier::Barrier(
+    mirror::Object* obj, MemberOffset offset, mirror::HeapReference<MirrorType>* ref_addr) {
+  // Unused for now.
+  UNUSED(obj);
+  UNUSED(offset);
+  UNUSED(ref_addr);
+  if (kDoReadBarrier && kUseBakerReadBarrier) {
+    // To be implemented.
+    return ref_addr->AsMirrorPtr();
+  } else if (kDoReadBarrier && kUseBrooksReadBarrier) {
+    // To be implemented.
+    return ref_addr->AsMirrorPtr();
+  } else {
+    // No read barrier.
+    return ref_addr->AsMirrorPtr();
+  }
+}
+
+}  // namespace art
+
+#endif  // ART_RUNTIME_READ_BARRIER_INL_H_