1//===-- ThreadPostMortemTrace.h ---------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_TARGET_THREADPOSTMORTEMTRACE_H
10#define LLDB_TARGET_THREADPOSTMORTEMTRACE_H
11
12#include "lldb/Target/Thread.h"
13#include <optional>
14
15namespace lldb_private {
16
17/// \class ThreadPostMortemTrace ThreadPostMortemTrace.h
18///
19/// Thread implementation used for representing threads gotten from trace
20/// session files, which are similar to threads from core files.
21///
22class ThreadPostMortemTrace : public Thread {
23public:
24  /// \param[in] process
25  ///     The process who owns this thread.
26  ///
27  /// \param[in] tid
28  ///     The tid of this thread.
29  ///
30  /// \param[in] trace_file
31  ///     The file that contains the list of instructions that were traced when
32  ///     this thread was being executed.
33  ThreadPostMortemTrace(Process &process, lldb::tid_t tid,
34                        const std::optional<FileSpec> &trace_file)
35      : Thread(process, tid), m_trace_file(trace_file) {}
36
37  void RefreshStateAfterStop() override;
38
39  lldb::RegisterContextSP GetRegisterContext() override;
40
41  lldb::RegisterContextSP
42  CreateRegisterContextForFrame(StackFrame *frame) override;
43
44  /// \return
45  ///   The trace file of this thread.
46  const std::optional<FileSpec> &GetTraceFile() const;
47
48protected:
49  bool CalculateStopInfo() override;
50
51  lldb::RegisterContextSP m_thread_reg_ctx_sp;
52
53private:
54  std::optional<FileSpec> m_trace_file;
55};
56
57} // namespace lldb_private
58
59#endif // LLDB_TARGET_THREADPOSTMORTEMTRACE_H
60