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/*
* 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 = GetImageSection(kSectionImTables);
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 = GetImageSection(kSectionIMTConflictTables);
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_
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