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94 lines
3 KiB
C++
94 lines
3 KiB
C++
//===-- ThreadPlanShouldStopHere.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_ThreadPlanShouldStopHere_h_
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#define liblldb_ThreadPlanShouldStopHere_h_
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Target/ThreadPlan.h"
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namespace lldb_private {
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// This is an interface that ThreadPlans can adopt to allow flexible modifications of the behavior
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// when a thread plan comes to a place where it would ordinarily stop. If such modification makes
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// sense for your plan, inherit from this class, and when you would be about to stop (in your ShouldStop
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// method), call InvokeShouldStopHereCallback, and if that returns a non-NULL plan, execute that
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// plan instead of stopping.
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//
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// The classic example of the use of this is ThreadPlanStepInRange not stopping in frames that have
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// no debug information.
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//
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// This class also defines a set of flags to control general aspects of this "ShouldStop" behavior.
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// A class implementing this protocol needs to define a default set of flags, and can provide access to
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// changing that default flag set if it wishes.
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class ThreadPlanShouldStopHere
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{
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public:
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enum
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{
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eNone = 0,
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eAvoidInlines = (1 << 0),
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eAvoidNoDebug = (1 << 1)
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};
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//------------------------------------------------------------------
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// Constructors and Destructors
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//------------------------------------------------------------------
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ThreadPlanShouldStopHere (ThreadPlan *owner,
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ThreadPlanShouldStopHereCallback callback = NULL,
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void *baton = NULL);
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virtual
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~ThreadPlanShouldStopHere();
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void
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SetShouldStopHereCallback (ThreadPlanShouldStopHereCallback callback, void *baton);
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lldb::ThreadPlanSP
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InvokeShouldStopHereCallback ();
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lldb_private::Flags &
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GetFlags ()
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{
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return m_flags;
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}
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const lldb_private::Flags &
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GetFlags () const
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{
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return m_flags;
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}
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protected:
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// Implement this, and call it in the plan's constructor to set the default flags.
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virtual void SetFlagsToDefault () = 0;
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//------------------------------------------------------------------
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// Classes that inherit from ThreadPlanShouldStopHere can see and modify these
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//------------------------------------------------------------------
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ThreadPlanShouldStopHereCallback m_callback;
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void * m_baton;
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ThreadPlan *m_owner;
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lldb_private::Flags m_flags;
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private:
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//------------------------------------------------------------------
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// For ThreadPlanShouldStopHere only
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//------------------------------------------------------------------
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DISALLOW_COPY_AND_ASSIGN (ThreadPlanShouldStopHere);
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};
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} // namespace lldb_private
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#endif // liblldb_ThreadPlanShouldStopHere_h_
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