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