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_HEAP_POISONING_H_ 18 #define ART_RUNTIME_HEAP_POISONING_H_ 19 20 // This is a C and C++ header used for both assembly code and mainline code. 21 22 #ifdef ART_HEAP_POISONING 23 #define USE_HEAP_POISONING 24 #endif 25 26 #ifdef __cplusplus 27 28 namespace art { 29 30 // If true, references within the heap are poisoned (negated). 31 #ifdef USE_HEAP_POISONING 32 static constexpr bool kPoisonHeapReferences = true; 33 #else 34 static constexpr bool kPoisonHeapReferences = false; 35 #endif 36 37 } // namespace art 38 39 #endif // __cplusplus 40 41 #endif // ART_RUNTIME_HEAP_POISONING_H_ 42