NativeThreadWindows.h

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//===-- NativeThreadWindows.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 liblldb_NativeThreadWindows_h_
#define liblldb_NativeThreadWindows_h_
 
#include "lldb/Host/HostThread.h"
#include "lldb/Host/common/NativeThreadProtocol.h"
#include "lldb/lldb-private-forward.h"
 
#include "NativeRegisterContextWindows.h"
 
namespace lldb_private {
 
class NativeProcessWindows;
 
class NativeThreadWindows : public NativeThreadProtocol {
public:
  NativeThreadWindows(NativeProcessWindows &process, const HostThread &thread);
 
  ~NativeThreadWindows() override = default;
 
  Status DoStop();
  Status DoResume(lldb::StateType resume_state);
 
  /// Whether the current resume single-steps this thread.
  bool IsSingleStepping() const { return m_single_stepping; }
 
  void ClearSingleStepping() { m_single_stepping = false; }
 
  void SetSingleStepFlag();
 
  std::string GetName() override;
 
  lldb::StateType GetState() override { return m_state; }
 
  NativeRegisterContextWindows &GetRegisterContext() override {
    return *m_reg_context_up;
  }
 
  bool GetStopReason(ThreadStopInfo &stop_info,
                     std::string &description) override;
 
  Status SetWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags,
                       bool hardware) override;
 
  Status RemoveWatchpoint(lldb::addr_t addr) override;
 
  Status SetHardwareBreakpoint(lldb::addr_t addr, size_t size) override;
 
  Status RemoveHardwareBreakpoint(lldb::addr_t addr) override;
 
  StructuredData::ObjectSP GetExtendedInfo() const override;
 
  void SetStopReason(ThreadStopInfo stop_info, std::string description);
 
  const HostThread &GetHostThread() { return m_host_thread; }
 
protected:
  lldb::StateType m_state = lldb::StateType::eStateInvalid;
  std::string m_name;
  bool m_single_stepping = false;
  std::unique_ptr<NativeRegisterContextWindows> m_reg_context_up;
  // Cache address and index of the watchpoints and hardware breakpoints since
  // the register context does not.
  using IndexMap = std::map<lldb::addr_t, uint32_t>;
  IndexMap m_watchpoint_index_map;
  IndexMap m_hw_breakpoint_index_map;
  HostThread m_host_thread;
};
} // namespace lldb_private
 
#endif // #ifndef liblldb_NativeThreadWindows_h_