runtime/image-inl.h

/*
 * Copyright (C) 2016 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_RUNTIME_IMAGE_INL_H_
#define ART_RUNTIME_IMAGE_INL_H_

#include "image.h"

namespace art {

template <ReadBarrierOption kReadBarrierOption>
inline mirror::Object* ImageHeader::GetImageRoot(ImageRoot image_root) const {
  mirror::ObjectArray<mirror::Object>* image_roots = GetImageRoots<kReadBarrierOption>();
  return image_roots->Get<kVerifyNone, kReadBarrierOption>(static_cast<int32_t>(image_root));
}

template <ReadBarrierOption kReadBarrierOption>
inline mirror::ObjectArray<mirror::Object>* ImageHeader::GetImageRoots() const {
  // Need a read barrier as it's not visited during root scan.
  // Pass in the address of the local variable to the read barrier
  // rather than image_roots_ because it won't move (asserted below)
  // and it's a const member.
  mirror::ObjectArray<mirror::Object>* image_roots =
      reinterpret_cast<mirror::ObjectArray<mirror::Object>*>(image_roots_);
  mirror::ObjectArray<mirror::Object>* result =
      ReadBarrier::BarrierForRoot<mirror::ObjectArray<mirror::Object>, kReadBarrierOption>(
          &image_roots);
  DCHECK_EQ(image_roots, result);
  return image_roots;
}

}  // namespace art

#endif  // ART_RUNTIME_IMAGE_INL_H_