You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.3 KiB
97 lines
2.3 KiB
/*
|
|
* Copyright (C) 2018 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.
|
|
*
|
|
* Header file of an in-memory representation of DEX files.
|
|
*/
|
|
|
|
#ifndef ART_DEXLAYOUT_DEX_CONTAINER_H_
|
|
#define ART_DEXLAYOUT_DEX_CONTAINER_H_
|
|
|
|
#include <vector>
|
|
|
|
namespace art {
|
|
|
|
// Dex container holds the artifacts produced by dexlayout and contains up to two sections: a main
|
|
// section and a data section.
|
|
// This container may also hold metadata used for multi dex deduplication in the future.
|
|
class DexContainer {
|
|
public:
|
|
virtual ~DexContainer() {}
|
|
|
|
class Section {
|
|
public:
|
|
virtual ~Section() {}
|
|
|
|
// Returns the start of the memory region.
|
|
virtual uint8_t* Begin() = 0;
|
|
|
|
// Size in bytes.
|
|
virtual size_t Size() const = 0;
|
|
|
|
// Resize the backing storage.
|
|
virtual void Resize(size_t size) = 0;
|
|
|
|
// Clear the container.
|
|
virtual void Clear() = 0;
|
|
|
|
// Release the data, clearing the container contents.
|
|
virtual std::vector<uint8_t> ReleaseData() = 0;
|
|
|
|
// Returns the end of the memory region.
|
|
uint8_t* End() {
|
|
return Begin() + Size();
|
|
}
|
|
};
|
|
|
|
// Vector backed section.
|
|
class VectorSection : public Section {
|
|
public:
|
|
virtual ~VectorSection() {}
|
|
|
|
uint8_t* Begin() override {
|
|
return &data_[0];
|
|
}
|
|
|
|
size_t Size() const override {
|
|
return data_.size();
|
|
}
|
|
|
|
void Resize(size_t size) override {
|
|
data_.resize(size, 0u);
|
|
}
|
|
|
|
void Clear() override {
|
|
data_.clear();
|
|
}
|
|
|
|
std::vector<uint8_t> ReleaseData() override {
|
|
std::vector<uint8_t> temp;
|
|
temp.swap(data_);
|
|
return temp;
|
|
}
|
|
|
|
private:
|
|
std::vector<uint8_t> data_;
|
|
};
|
|
|
|
virtual Section* GetMainSection() = 0;
|
|
virtual Section* GetDataSection() = 0;
|
|
virtual bool IsCompactDexContainer() const = 0;
|
|
};
|
|
|
|
} // namespace art
|
|
|
|
#endif // ART_DEXLAYOUT_DEX_CONTAINER_H_
|