Home | History | Annotate | Download | only in quick
      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_QUICK_QUICK_METHOD_FRAME_INFO_H_
     18 #define ART_RUNTIME_QUICK_QUICK_METHOD_FRAME_INFO_H_
     19 
     20 #include <stdint.h>
     21 
     22 #include "base/macros.h"
     23 
     24 namespace art {
     25 
     26 class PACKED(4) QuickMethodFrameInfo {
     27  public:
     28   constexpr QuickMethodFrameInfo()
     29     : frame_size_in_bytes_(0u),
     30       core_spill_mask_(0u),
     31       fp_spill_mask_(0u) {
     32   }
     33 
     34   constexpr QuickMethodFrameInfo(uint32_t frame_size_in_bytes, uint32_t core_spill_mask,
     35                                  uint32_t fp_spill_mask)
     36     : frame_size_in_bytes_(frame_size_in_bytes),
     37       core_spill_mask_(core_spill_mask),
     38       fp_spill_mask_(fp_spill_mask) {
     39   }
     40 
     41   uint32_t FrameSizeInBytes() const {
     42     return frame_size_in_bytes_;
     43   }
     44 
     45   uint32_t CoreSpillMask() const {
     46     return core_spill_mask_;
     47   }
     48 
     49   uint32_t FpSpillMask() const {
     50     return fp_spill_mask_;
     51   }
     52 
     53   size_t GetReturnPcOffset() const {
     54     return FrameSizeInBytes() - sizeof(void*);
     55   }
     56 
     57  private:
     58   uint32_t frame_size_in_bytes_;
     59   uint32_t core_spill_mask_;
     60   uint32_t fp_spill_mask_;
     61 };
     62 
     63 }  // namespace art
     64 
     65 #endif  // ART_RUNTIME_QUICK_QUICK_METHOD_FRAME_INFO_H_
     66