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//===-- IntelPTDecoder.h --======--------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_DECODER_H
#define LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_DECODER_H
#include "intel-pt.h"
#include "DecodedThread.h"
#include "lldb/Target/Process.h"
#include "lldb/Utility/FileSpec.h"
namespace lldb_private {
namespace trace_intel_pt {
/// \a lldb_private::ThreadTrace decoder that stores the output from decoding,
/// avoiding recomputations, as decoding is expensive.
class ThreadTraceDecoder {
public:
/// \param[in] trace_thread
/// The thread whose trace file will be decoded.
///
/// \param[in] pt_cpu
/// The libipt cpu used when recording the trace.
ThreadTraceDecoder(const std::shared_ptr<ThreadTrace> &trace_thread,
const pt_cpu &pt_cpu)
: m_trace_thread(trace_thread), m_pt_cpu(pt_cpu), m_decoded_thread() {}
/// Decode the thread and store the result internally.
///
/// \return
/// A \a DecodedThread instance.
const DecodedThread &Decode();
private:
ThreadTraceDecoder(const ThreadTraceDecoder &other) = delete;
ThreadTraceDecoder &operator=(const ThreadTraceDecoder &other) = delete;
std::shared_ptr<ThreadTrace> m_trace_thread;
pt_cpu m_pt_cpu;
llvm::Optional<DecodedThread> m_decoded_thread;
};
} // namespace trace_intel_pt
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_DECODER_H
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