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      1 /*
      2  * Copyright (C) 2016 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_LIBARTBASE_BASE_ENUMS_H_
     18 #define ART_LIBARTBASE_BASE_ENUMS_H_
     19 
     20 #include <cstddef>
     21 #include <ostream>
     22 
     23 namespace art {
     24 
     25 enum class PointerSize : size_t {
     26   k32 = 4,
     27   k64 = 8
     28 };
     29 
     30 inline std::ostream& operator<<(std::ostream& os, const PointerSize& rhs) {
     31   switch (rhs) {
     32     case PointerSize::k32: os << "k32"; break;
     33     case PointerSize::k64: os << "k64"; break;
     34     default: os << "PointerSize[" << static_cast<int>(rhs) << "]"; break;
     35   }
     36   return os;
     37 }
     38 
     39 static constexpr PointerSize kRuntimePointerSize = sizeof(void*) == 8U
     40                                                        ? PointerSize::k64
     41                                                        : PointerSize::k32;
     42 
     43 }  // namespace art
     44 
     45 #endif  // ART_LIBARTBASE_BASE_ENUMS_H_
     46