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-rw-r--r--runtime/mirror/class_flags.h56
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diff --git a/runtime/mirror/class_flags.h b/runtime/mirror/class_flags.h
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+/*
+ * Copyright (C) 2015 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_MIRROR_CLASS_FLAGS_H_
+#define ART_RUNTIME_MIRROR_CLASS_FLAGS_H_
+
+#include <stdint.h>
+
+namespace art {
+namespace mirror {
+
+// Object types stored in class to help GC with faster object marking.
+static constexpr uint32_t kClassFlagNormal = 0x00000000;
+// Only normal objects which have no reference fields, e.g. string or primitive array or normal
+// class instance.
+static constexpr uint32_t kClassFlagNoReferenceFields = 0x00000001;
+static constexpr uint32_t kClassFlagString = 0x00000004;
+static constexpr uint32_t kClassFlagObjectArray = 0x00000008;
+static constexpr uint32_t kClassFlagClass = 0x00000010;
+
+// class is ClassLoader or one of its subclasses
+static constexpr uint32_t kClassFlagClassLoader = 0x00000020;
+
+// class is a soft/weak/phantom ref
+static constexpr uint32_t kClassFlagSoftReference = 0x00000040;
+// class is a weak reference
+static constexpr uint32_t kClassFlagWeakReference = 0x00000080;
+// class is a finalizer reference
+static constexpr uint32_t kClassFlagFinalizerReference = 0x00000100;
+// class is a phantom reference
+static constexpr uint32_t kClassFlagPhantomReference = 0x00000200;
+
+static constexpr uint32_t kClassFlagReference =
+ kClassFlagSoftReference |
+ kClassFlagWeakReference |
+ kClassFlagFinalizerReference |
+ kClassFlagPhantomReference;
+
+} // namespace mirror
+} // namespace art
+
+#endif // ART_RUNTIME_MIRROR_CLASS_FLAGS_H_
+