1 /* 2 * Copyright (C) 2014 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_VERIFY_OBJECT_H_ 18 #define ART_RUNTIME_VERIFY_OBJECT_H_ 19 20 #include <stdint.h> 21 22 #include "base/macros.h" 23 24 namespace art { 25 26 namespace mirror { 27 class Class; 28 class Object; 29 } // namespace mirror 30 31 // How we want to sanity check the heap's correctness. 32 enum VerifyObjectMode { 33 kVerifyObjectModeDisabled, // Heap verification is disabled. 34 kVerifyObjectModeFast, // Sanity heap accesses quickly by using VerifyClassClass. 35 kVerifyObjectModeAll // Sanity heap accesses thoroughly. 36 }; 37 38 enum VerifyObjectFlags { 39 kVerifyNone = 0x0, 40 // Verify self when we are doing an operation. 41 kVerifyThis = 0x1, 42 // Verify reads from objects. 43 kVerifyReads = 0x2, 44 // Verify writes to objects. 45 kVerifyWrites = 0x4, 46 // Verify all things. 47 kVerifyAll = kVerifyThis | kVerifyReads | kVerifyWrites, 48 }; 49 50 static constexpr bool kVerifyStack = kIsDebugBuild; 51 static constexpr VerifyObjectFlags kDefaultVerifyFlags = kVerifyNone; 52 static constexpr VerifyObjectMode kVerifyObjectSupport = 53 kDefaultVerifyFlags != 0 ? kVerifyObjectModeFast : kVerifyObjectModeDisabled; 54 55 ALWAYS_INLINE void VerifyObject(mirror::Object* obj) NO_THREAD_SAFETY_ANALYSIS; 56 57 // Check that c.getClass() == c.getClass().getClass(). 58 ALWAYS_INLINE bool VerifyClassClass(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS; 59 60 } // namespace art 61 62 #endif // ART_RUNTIME_VERIFY_OBJECT_H_ 63