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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.
*/
#pragma once
#include <functional>
#include <memory>
#include <string>
#include "record.h"
#include "thread_tree.h"
namespace simpleperf {
struct ETMDumpOption {
bool dump_raw_data = false;
bool dump_packets = false;
bool dump_elements = false;
};
bool ParseEtmDumpOption(const std::string& s, ETMDumpOption* option);
struct ETMInstrRange {
// the binary containing the instruction range
Dso* dso = nullptr;
// the address of the first instruction in the binary
uint64_t start_addr = 0;
// the address of the last instruction in the binary
uint64_t end_addr = 0;
// If the last instruction is a branch instruction, and it branches
// to a fixed location in the same binary, then branch_to_addr points
// to the branched to instruction.
uint64_t branch_to_addr = 0;
// times the branch is taken
uint64_t branch_taken_count = 0;
// times the branch isn't taken
uint64_t branch_not_taken_count = 0;
};
class ETMDecoder {
public:
static std::unique_ptr<ETMDecoder> Create(const AuxTraceInfoRecord& auxtrace_info,
ThreadTree& thread_tree);
virtual ~ETMDecoder() {}
virtual void EnableDump(const ETMDumpOption& option) = 0;
using CallbackFn = std::function<void(const ETMInstrRange&)>;
virtual void RegisterCallback(const CallbackFn& callback) = 0;
virtual bool ProcessData(const uint8_t* data, size_t size) = 0;
};
} // namespace simpleperf
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