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//===-- FreeBSDThread.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_FreeBSDThread_H_
#define liblldb_FreeBSDThread_H_
#include <memory>
#include <string>
#include "RegisterContextPOSIX.h"
#include "lldb/Target/Thread.h"
class ProcessMessage;
class ProcessMonitor;
class POSIXBreakpointProtocol;
// @class FreeBSDThread
// Abstraction of a FreeBSD thread.
class FreeBSDThread : public lldb_private::Thread {
public:
// Constructors and destructors
FreeBSDThread(lldb_private::Process &process, lldb::tid_t tid);
virtual ~FreeBSDThread();
// POSIXThread
void RefreshStateAfterStop() override;
// This notifies the thread when a private stop occurs.
void DidStop() override;
const char *GetInfo() override;
void SetName(const char *name) override;
const char *GetName() override;
lldb::RegisterContextSP GetRegisterContext() override;
lldb::RegisterContextSP
CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
lldb::addr_t GetThreadPointer() override;
// These functions provide a mapping from the register offset
// back to the register index or name for use in debugging or log
// output.
unsigned GetRegisterIndexFromOffset(unsigned offset);
const char *GetRegisterName(unsigned reg);
const char *GetRegisterNameFromOffset(unsigned offset);
// These methods form a specialized interface to POSIX threads.
//
bool Resume();
void Notify(const ProcessMessage &message);
// These methods provide an interface to watchpoints
//
bool EnableHardwareWatchpoint(lldb_private::Watchpoint *wp);
bool DisableHardwareWatchpoint(lldb_private::Watchpoint *wp);
uint32_t NumSupportedHardwareWatchpoints();
uint32_t FindVacantWatchpointIndex();
protected:
POSIXBreakpointProtocol *GetPOSIXBreakpointProtocol() {
if (!m_reg_context_sp)
m_reg_context_sp = GetRegisterContext();
return m_posix_thread;
}
std::unique_ptr<lldb_private::StackFrame> m_frame_up;
lldb::BreakpointSiteSP m_breakpoint;
bool m_thread_name_valid;
std::string m_thread_name;
POSIXBreakpointProtocol *m_posix_thread;
ProcessMonitor &GetMonitor();
bool CalculateStopInfo() override;
void BreakNotify(const ProcessMessage &message);
void WatchNotify(const ProcessMessage &message);
virtual void TraceNotify(const ProcessMessage &message);
void LimboNotify(const ProcessMessage &message);
void SignalNotify(const ProcessMessage &message);
void SignalDeliveredNotify(const ProcessMessage &message);
void CrashNotify(const ProcessMessage &message);
void ExitNotify(const ProcessMessage &message);
void ExecNotify(const ProcessMessage &message);
// FreeBSDThread internal API.
// POSIXThread override
virtual void WillResume(lldb::StateType resume_state) override;
};
#endif // #ifndef liblldb_FreeBSDThread_H_
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