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