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/*
* 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.
*/
#ifndef _LIBUNWINDSTACK_GLOBAL_H
#define _LIBUNWINDSTACK_GLOBAL_H
#include <stdint.h>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <vector>
#include <unwindstack/Elf.h>
#include <unwindstack/Memory.h>
namespace unwindstack {
// Forward declarations.
class Maps;
struct MapInfo;
class Global {
public:
explicit Global(std::shared_ptr<Memory>& memory);
Global(std::shared_ptr<Memory>& memory, std::vector<std::string>& search_libs);
virtual ~Global() = default;
void SetArch(ArchEnum arch);
ArchEnum arch() { return arch_; }
protected:
uint64_t GetVariableOffset(MapInfo* info, const std::string& variable);
void FindAndReadVariable(Maps* maps, const char* variable);
virtual bool ReadVariableData(uint64_t offset) = 0;
virtual void ProcessArch() = 0;
ArchEnum arch_ = ARCH_UNKNOWN;
std::shared_ptr<Memory> memory_;
std::vector<std::string> search_libs_;
};
} // namespace unwindstack
#endif // _LIBUNWINDSTACK_GLOBAL_H
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