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_RUNTIME_IMAGE_INL_H_ 18#define ART_RUNTIME_IMAGE_INL_H_ 19 20#include "image.h" 21 22#include "art_method.h" 23 24namespace art { 25 26template <ReadBarrierOption kReadBarrierOption> 27inline mirror::Object* ImageHeader::GetImageRoot(ImageRoot image_root) const { 28 mirror::ObjectArray<mirror::Object>* image_roots = GetImageRoots<kReadBarrierOption>(); 29 return image_roots->Get<kVerifyNone, kReadBarrierOption>(static_cast<int32_t>(image_root)); 30} 31 32template <ReadBarrierOption kReadBarrierOption> 33inline mirror::ObjectArray<mirror::Object>* ImageHeader::GetImageRoots() const { 34 // Need a read barrier as it's not visited during root scan. 35 // Pass in the address of the local variable to the read barrier 36 // rather than image_roots_ because it won't move (asserted below) 37 // and it's a const member. 38 mirror::ObjectArray<mirror::Object>* image_roots = 39 reinterpret_cast<mirror::ObjectArray<mirror::Object>*>(image_roots_); 40 mirror::ObjectArray<mirror::Object>* result = 41 ReadBarrier::BarrierForRoot<mirror::ObjectArray<mirror::Object>, kReadBarrierOption>( 42 &image_roots); 43 DCHECK_EQ(image_roots, result); 44 return image_roots; 45} 46 47template <typename Visitor> 48inline void ImageHeader::VisitPackedImtConflictTables(const Visitor& visitor, 49 uint8_t* base, 50 size_t pointer_size) const { 51 const ImageSection& section = GetImageSection(kSectionIMTConflictTables); 52 for (size_t pos = 0; pos < section.Size(); ) { 53 auto* table = reinterpret_cast<ImtConflictTable*>(base + section.Offset() + pos); 54 table->Visit([&visitor](const std::pair<ArtMethod*, ArtMethod*>& methods) { 55 return std::make_pair(visitor(methods.first), visitor(methods.second)); 56 }, pointer_size); 57 pos += table->ComputeSize(pointer_size); 58 } 59} 60 61} // namespace art 62 63#endif // ART_RUNTIME_IMAGE_INL_H_ 64