1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_RUNTIME_MIRROR_CLASS_FLAGS_H_ 18 #define ART_RUNTIME_MIRROR_CLASS_FLAGS_H_ 19 20 #include <stdint.h> 21 22 namespace art { 23 namespace mirror { 24 25 // Normal instance with at least one ref field other than the class. 26 static constexpr uint32_t kClassFlagNormal = 0x00000000; 27 28 // Only normal objects which have no reference fields, e.g. string or primitive array or normal 29 // class instance with no fields other than klass. 30 static constexpr uint32_t kClassFlagNoReferenceFields = 0x00000001; 31 32 // Class is java.lang.String.class. 33 static constexpr uint32_t kClassFlagString = 0x00000004; 34 35 // Class is an object array class. 36 static constexpr uint32_t kClassFlagObjectArray = 0x00000008; 37 38 // Class is java.lang.Class.class. 39 static constexpr uint32_t kClassFlagClass = 0x00000010; 40 41 // Class is ClassLoader or one of its subclasses. 42 static constexpr uint32_t kClassFlagClassLoader = 0x00000020; 43 44 // Class is DexCache. 45 static constexpr uint32_t kClassFlagDexCache = 0x00000040; 46 47 // Class is a soft/weak/phantom class. 48 static constexpr uint32_t kClassFlagSoftReference = 0x00000080; 49 50 // Class is a weak reference class. 51 static constexpr uint32_t kClassFlagWeakReference = 0x00000100; 52 53 // Class is a finalizer reference class. 54 static constexpr uint32_t kClassFlagFinalizerReference = 0x00000200; 55 56 // Class is the phantom reference class. 57 static constexpr uint32_t kClassFlagPhantomReference = 0x00000400; 58 59 // Combination of flags to figure out if the class is either the weak/soft/phantom/finalizer 60 // reference class. 61 static constexpr uint32_t kClassFlagReference = 62 kClassFlagSoftReference | 63 kClassFlagWeakReference | 64 kClassFlagFinalizerReference | 65 kClassFlagPhantomReference; 66 67 } // namespace mirror 68 } // namespace art 69 70 #endif // ART_RUNTIME_MIRROR_CLASS_FLAGS_H_ 71 72
