Improve performance of invokevirtual/invokeinterface with embedded imt/vtable

Add an embedded version of imt/vtable into class object. Both tables start at
fixed offset within class object so method/entry point can be loaded directly
from class object for invokeinterface/invokevirtual.

Bug: 8142917
Change-Id: I4240d58cfbe9250107c95c0708c036854c455968

1 files changed, 37 insertions, 0 deletions

diff --git a/compiler/compiled_class.h b/compiler/compiled_class.h
new file mode 100644
index 0000000000..b88d613ad5
--- /dev/null
+++ b/compiler/compiled_class.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2011 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_COMPILER_COMPILED_CLASS_H_
+#define ART_COMPILER_COMPILED_CLASS_H_
+
+#include "mirror/class.h"
+
+namespace art {
+
+class CompiledClass {
+ public:
+  explicit CompiledClass(mirror::Class::Status status) : status_(status) {}
+  ~CompiledClass() {}
+  mirror::Class::Status GetStatus() const {
+    return status_;
+  }
+ private:
+  const mirror::Class::Status status_;
+};
+
+}  // namespace art
+
+#endif  // ART_COMPILER_COMPILED_CLASS_H_