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/*
* Copyright (C) 2015 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 SIMPLE_PERF_DSO_H_
#define SIMPLE_PERF_DSO_H_
#include <memory>
#include <set>
#include <string>
#include <unordered_map>
#include <vector>
#include "build_id.h"
struct SymbolEntry {
std::string name;
uint64_t addr;
uint64_t len;
};
struct SymbolComparator {
bool operator()(const std::unique_ptr<SymbolEntry>& symbol1,
const std::unique_ptr<SymbolEntry>& symbol2);
};
struct DsoEntry {
std::string path;
std::set<std::unique_ptr<SymbolEntry>, SymbolComparator> symbols;
const SymbolEntry* FindSymbol(uint64_t offset_in_dso);
};
class DsoFactory {
public:
static DsoFactory* GetInstance();
void SetDemangle(bool demangle);
bool SetSymFsDir(const std::string& symfs_dir);
void SetVmlinux(const std::string& vmlinux);
void SetBuildIds(const std::vector<std::pair<std::string, BuildId>>& build_ids);
std::unique_ptr<DsoEntry> LoadKernel();
std::unique_ptr<DsoEntry> LoadKernelModule(const std::string& dso_path);
std::unique_ptr<DsoEntry> LoadDso(const std::string& dso_path);
private:
DsoFactory();
BuildId GetExpectedBuildId(const std::string& filename);
bool demangle_;
std::string symfs_dir_;
std::string vmlinux_;
std::unordered_map<std::string, BuildId> build_id_map_;
};
#endif // SIMPLE_PERF_DSO_H_
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