| /* |
| * Copyright (C) 2017 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_LIBARTBASE_BASE_CALLEE_SAVE_TYPE_H_ |
| #define ART_LIBARTBASE_BASE_CALLEE_SAVE_TYPE_H_ |
| |
| #include <cstddef> |
| #include <ostream> |
| |
| namespace art { |
| |
| // Returns a special method that describes all callee saves being spilled to the stack. |
| enum class CalleeSaveType : uint32_t { |
| kSaveAllCalleeSaves, // All callee-save registers. |
| kSaveRefsOnly, // Only those callee-save registers that can hold references. |
| kSaveRefsAndArgs, // References (see above) and arguments (usually caller-save registers). |
| kSaveEverything, // All registers, including both callee-save and caller-save. |
| kSaveEverythingForClinit, // Special kSaveEverything for clinit. |
| kSaveEverythingForSuspendCheck, // Special kSaveEverything for suspend check. |
| kLastCalleeSaveType // Value used for iteration. |
| }; |
| std::ostream& operator<<(std::ostream& os, const CalleeSaveType& rhs); |
| |
| static inline constexpr CalleeSaveType GetCanonicalCalleeSaveType(CalleeSaveType type) { |
| if (type == CalleeSaveType::kSaveEverythingForClinit || |
| type == CalleeSaveType::kSaveEverythingForSuspendCheck) { |
| return CalleeSaveType::kSaveEverything; |
| } |
| return type; |
| } |
| |
| } // namespace art |
| |
| #endif // ART_LIBARTBASE_BASE_CALLEE_SAVE_TYPE_H_ |