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/*
* Copyright (C) 2019 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 SRC_PROFILING_SYMBOLIZER_LOCAL_SYMBOLIZER_H_
#define SRC_PROFILING_SYMBOLIZER_LOCAL_SYMBOLIZER_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "perfetto/ext/base/optional.h"
#include "perfetto/ext/base/scoped_file.h"
#include "src/profiling/symbolizer/subprocess.h"
#include "src/profiling/symbolizer/symbolizer.h"
namespace perfetto {
namespace profiling {
bool ParseLlvmSymbolizerLine(const std::string& line,
std::string* file_name,
uint32_t* line_no);
std::vector<std::string> GetLines(
std::function<int64_t(char*, size_t)> fn_read);
struct FoundBinary {
std::string file_name;
uint64_t load_bias;
};
class BinaryFinder {
public:
virtual ~BinaryFinder();
virtual base::Optional<FoundBinary> FindBinary(
const std::string& abspath,
const std::string& build_id) = 0;
};
class LocalBinaryIndexer : public BinaryFinder {
public:
explicit LocalBinaryIndexer(std::vector<std::string> roots);
base::Optional<FoundBinary> FindBinary(const std::string& abspath,
const std::string& build_id) override;
~LocalBinaryIndexer() override;
private:
std::map<std::string, FoundBinary> buildid_to_file_;
};
class LocalBinaryFinder : public BinaryFinder {
public:
explicit LocalBinaryFinder(std::vector<std::string> roots);
base::Optional<FoundBinary> FindBinary(const std::string& abspath,
const std::string& build_id) override;
~LocalBinaryFinder() override;
private:
base::Optional<FoundBinary> IsCorrectFile(const std::string& symbol_file,
const std::string& build_id);
base::Optional<FoundBinary> FindBinaryInRoot(const std::string& root_str,
const std::string& abspath,
const std::string& build_id);
private:
std::vector<std::string> roots_;
std::map<std::string, base::Optional<FoundBinary>> cache_;
};
class LLVMSymbolizerProcess {
public:
explicit LLVMSymbolizerProcess(const std::string& symbolizer_path);
std::vector<SymbolizedFrame> Symbolize(const std::string& binary,
uint64_t address);
private:
Subprocess subprocess_;
};
class LocalSymbolizer : public Symbolizer {
public:
LocalSymbolizer(const std::string& symbolizer_path,
std::unique_ptr<BinaryFinder> finder);
explicit LocalSymbolizer(std::unique_ptr<BinaryFinder> finder);
std::vector<std::vector<SymbolizedFrame>> Symbolize(
const std::string& mapping_name,
const std::string& build_id,
uint64_t load_bias,
const std::vector<uint64_t>& address) override;
bool BuildIdNeedsHexConversion() override { return true; }
~LocalSymbolizer() override;
private:
LLVMSymbolizerProcess llvm_symbolizer_;
std::unique_ptr<BinaryFinder> finder_;
};
std::unique_ptr<Symbolizer> LocalSymbolizerOrDie(
std::vector<std::string> binary_path,
const char* mode);
} // namespace profiling
} // namespace perfetto
#endif // SRC_PROFILING_SYMBOLIZER_LOCAL_SYMBOLIZER_H_