/* * 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" #include "art_method.h" #include "imt_conflict_table.h" #include "imtable.h" #include "read_barrier-inl.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; } template <typename Visitor> inline void ImageHeader::VisitPackedImTables(const Visitor& visitor, uint8_t* base, PointerSize pointer_size) const { const ImageSection& section = GetImTablesSection(); for (size_t pos = 0; pos < section.Size();) { ImTable* imt = reinterpret_cast<ImTable*>(base + section.Offset() + pos); for (size_t i = 0; i < ImTable::kSize; ++i) { ArtMethod* orig = imt->Get(i, pointer_size); ArtMethod* updated = visitor(orig); if (updated != orig) { imt->Set(i, updated, pointer_size); } } pos += ImTable::SizeInBytes(pointer_size); } } template <typename Visitor> inline void ImageHeader::VisitPackedImtConflictTables(const Visitor& visitor, uint8_t* base, PointerSize pointer_size) const { const ImageSection& section = GetIMTConflictTablesSection(); for (size_t pos = 0; pos < section.Size(); ) { auto* table = reinterpret_cast<ImtConflictTable*>(base + section.Offset() + pos); table->Visit([&visitor](const std::pair<ArtMethod*, ArtMethod*>& methods) { return std::make_pair(visitor(methods.first), visitor(methods.second)); }, pointer_size); pos += table->ComputeSize(pointer_size); } } } // namespace art #endif // ART_RUNTIME_IMAGE_INL_H_