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Process.h
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1 //===-- Process.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_PROCESS_H
10 #define LLDB_TARGET_PROCESS_H
11 
12 #include "lldb/Host/Config.h"
13 
14 #include <climits>
15 
16 #include <chrono>
17 #include <list>
18 #include <memory>
19 #include <mutex>
20 #include <string>
21 #include <unordered_set>
22 #include <vector>
23 
30 #include "lldb/Host/HostThread.h"
33 #include "lldb/Symbol/ObjectFile.h"
36 #include "lldb/Target/Memory.h"
38 #include "lldb/Target/QueueList.h"
39 #include "lldb/Target/ThreadList.h"
41 #include "lldb/Target/Trace.h"
42 #include "lldb/Utility/ArchSpec.h"
44 #include "lldb/Utility/Event.h"
45 #include "lldb/Utility/Listener.h"
48 #include "lldb/Utility/Status.h"
53 #include "lldb/lldb-private.h"
54 
55 #include "llvm/ADT/ArrayRef.h"
56 #include "llvm/Support/Threading.h"
57 #include "llvm/Support/VersionTuple.h"
58 
59 namespace lldb_private {
60 
61 template <typename B, typename S> struct Range;
62 
64 public:
66 };
67 
68 class ProcessProperties : public Properties {
69 public:
70  // Pass nullptr for "process" if the ProcessProperties are to be the global
71  // copy
73 
74  ~ProcessProperties() override;
75 
76  bool GetDisableMemoryCache() const;
77  uint64_t GetMemoryCacheLineSize() const;
79  void SetExtraStartupCommands(const Args &args);
83  void SetPythonOSPluginPath(const FileSpec &file);
85  void SetIgnoreBreakpointsInExpressions(bool ignore);
86  bool GetUnwindOnErrorInExpressions() const;
87  void SetUnwindOnErrorInExpressions(bool ignore);
88  bool GetStopOnSharedLibraryEvents() const;
89  void SetStopOnSharedLibraryEvents(bool stop);
91  void SetDisableLangRuntimeUnwindPlans(bool disable);
92  bool GetDetachKeepsStopped() const;
93  void SetDetachKeepsStopped(bool keep_stopped);
94  bool GetWarningsOptimization() const;
95  bool GetWarningsUnsupportedLanguage() const;
96  bool GetStopOnExec() const;
97  std::chrono::seconds GetUtilityExpressionTimeout() const;
98  std::chrono::seconds GetInterruptTimeout() const;
99  bool GetOSPluginReportsAllThreads() const;
100  void SetOSPluginReportsAllThreads(bool does_report);
101  bool GetSteppingRunsAllThreads() const;
103 
104 protected:
105  Process *m_process; // Can be nullptr for global ProcessProperties
106  std::unique_ptr<ProcessExperimentalProperties> m_experimental_properties_up;
107 };
108 
109 // ProcessAttachInfo
110 //
111 // Describes any information that is required to attach to a process.
112 
114 public:
115  ProcessAttachInfo() = default;
116 
120  m_async(false) {
121  ProcessInfo::operator=(launch_info);
123  SetResumeCount(launch_info.GetResumeCount());
124  SetListener(launch_info.GetListener());
125  SetHijackListener(launch_info.GetHijackListener());
126  m_detach_on_error = launch_info.GetDetachOnError();
127  }
128 
129  bool GetWaitForLaunch() const { return m_wait_for_launch; }
130 
131  void SetWaitForLaunch(bool b) { m_wait_for_launch = b; }
132 
133  bool GetAsync() const { return m_async; }
134 
135  void SetAsync(bool b) { m_async = b; }
136 
137  bool GetIgnoreExisting() const { return m_ignore_existing; }
138 
139  void SetIgnoreExisting(bool b) { m_ignore_existing = b; }
140 
142 
144 
146 
148 
149  const char *GetProcessPluginName() const {
150  return (m_plugin_name.empty() ? nullptr : m_plugin_name.c_str());
151  }
152 
153  void SetProcessPluginName(llvm::StringRef plugin) {
154  m_plugin_name = std::string(plugin);
155  }
156 
157  void Clear() {
159  m_plugin_name.clear();
160  m_resume_count = 0;
161  m_wait_for_launch = false;
162  m_ignore_existing = true;
163  m_continue_once_attached = false;
164  }
165 
166  bool ProcessInfoSpecified() const {
167  if (GetExecutableFile())
168  return true;
170  return true;
172  return true;
173  return false;
174  }
175 
176  lldb::ListenerSP GetHijackListener() const { return m_hijack_listener_sp; }
177 
178  void SetHijackListener(const lldb::ListenerSP &listener_sp) {
179  m_hijack_listener_sp = listener_sp;
180  }
181 
182  bool GetDetachOnError() const { return m_detach_on_error; }
183 
184  void SetDetachOnError(bool enable) { m_detach_on_error = enable; }
185 
186  // Get and set the actual listener that will be used for the process events
187  lldb::ListenerSP GetListener() const { return m_listener_sp; }
188 
189  void SetListener(const lldb::ListenerSP &listener_sp) {
190  m_listener_sp = listener_sp;
191  }
192 
193  lldb::ListenerSP GetListenerForProcess(Debugger &debugger);
194 
195 protected:
196  lldb::ListenerSP m_listener_sp;
197  lldb::ListenerSP m_hijack_listener_sp;
199  uint32_t m_resume_count = 0; // How many times do we resume after launching
200  bool m_wait_for_launch = false;
201  bool m_ignore_existing = true;
202  bool m_continue_once_attached = false; // Supports the use-case scenario of
203  // immediately continuing the process
204  // once attached.
206  true; // If we are debugging remotely, instruct the stub to
207  // detach rather than killing the target on error.
208  bool m_async =
209  false; // Use an async attach where we start the attach and return
210  // immediately (used by GUI programs with --waitfor so they can
211  // call SBProcess::Stop() to cancel attach)
212 };
213 
214 // This class tracks the Modification state of the process. Things that can
215 // currently modify the program are running the program (which will up the
216 // StopID) and writing memory (which will up the MemoryID.)
217 // FIXME: Should we also include modification of register states?
218 
220  friend bool operator==(const ProcessModID &lhs, const ProcessModID &rhs);
221 
222 public:
223  ProcessModID() = default;
224 
227 
228  const ProcessModID &operator=(const ProcessModID &rhs) {
229  if (this != &rhs) {
230  m_stop_id = rhs.m_stop_id;
231  m_memory_id = rhs.m_memory_id;
232  }
233  return *this;
234  }
235 
236  ~ProcessModID() = default;
237 
239  const uint32_t prev_stop_id = m_stop_id++;
242  return prev_stop_id;
243  }
244 
245  void BumpMemoryID() { m_memory_id++; }
246 
247  void BumpResumeID() {
248  m_resume_id++;
251  }
252 
254  return m_running_utility_function > 0;
255  }
256 
257  uint32_t GetStopID() const { return m_stop_id; }
259  uint32_t GetMemoryID() const { return m_memory_id; }
260  uint32_t GetResumeID() const { return m_resume_id; }
263  }
264 
265  bool MemoryIDEqual(const ProcessModID &compare) const {
266  return m_memory_id == compare.m_memory_id;
267  }
268 
269  bool StopIDEqual(const ProcessModID &compare) const {
270  return m_stop_id == compare.m_stop_id;
271  }
272 
274 
275  bool IsValid() const { return m_stop_id != UINT32_MAX; }
276 
278  // If we haven't yet resumed the target, then it can't be for a user
279  // expression...
280  if (m_resume_id == 0)
281  return false;
282 
284  }
285 
286  void SetRunningUserExpression(bool on) {
287  if (on)
289  else
291  }
292 
294  if (on)
296  else {
297  assert(m_running_utility_function > 0 &&
298  "Called SetRunningUtilityFunction(false) without calling "
299  "SetRunningUtilityFunction(true) before?");
301  }
302  }
303 
304  void SetStopEventForLastNaturalStopID(lldb::EventSP event_sp) {
305  m_last_natural_stop_event = std::move(event_sp);
306  }
307 
308  lldb::EventSP GetStopEventForStopID(uint32_t stop_id) const {
309  if (stop_id == m_last_natural_stop_id)
311  return lldb::EventSP();
312  }
313 
314 private:
323 };
324 
325 inline bool operator==(const ProcessModID &lhs, const ProcessModID &rhs) {
326  if (lhs.StopIDEqual(rhs) && lhs.MemoryIDEqual(rhs))
327  return true;
328  else
329  return false;
330 }
331 
332 inline bool operator!=(const ProcessModID &lhs, const ProcessModID &rhs) {
333  return (!lhs.StopIDEqual(rhs) || !lhs.MemoryIDEqual(rhs));
334 }
335 
336 /// \class Process Process.h "lldb/Target/Process.h"
337 /// A plug-in interface definition class for debugging a process.
338 class Process : public std::enable_shared_from_this<Process>,
339  public ProcessProperties,
340  public Broadcaster,
341  public ExecutionContextScope,
342  public PluginInterface {
343  friend class FunctionCaller; // For WaitForStateChangeEventsPrivate
344  friend class Debugger; // For PopProcessIOHandler and ProcessIOHandlerIsActive
345  friend class DynamicLoader; // For LoadOperatingSystemPlugin
346  friend class ProcessEventData;
347  friend class StopInfo;
348  friend class Target;
349  friend class ThreadList;
350 
351 public:
352  /// Broadcaster event bits definitions.
353  enum {
360  };
361 
362  enum {
366  };
367 
369  // We use a read/write lock to allow on or more clients to access the process
370  // state while the process is stopped (reader). We lock the write lock to
371  // control access to the process while it is running (readers, or clients
372  // that want the process stopped can block waiting for the process to stop,
373  // or just try to lock it to see if they can immediately access the stopped
374  // process. If the try read lock fails, then the process is running.
376 
377  // These two functions fill out the Broadcaster interface:
378 
380 
381  ConstString &GetBroadcasterClass() const override {
382  return GetStaticBroadcasterClass();
383  }
384 
385 /// A notification structure that can be used by clients to listen
386 /// for changes in a process's lifetime.
387 ///
388 /// \see RegisterNotificationCallbacks (const Notifications&) @see
389 /// UnregisterNotificationCallbacks (const Notifications&)
390  typedef struct {
391  void *baton;
392  void (*initialize)(void *baton, Process *process);
393  void (*process_state_changed)(void *baton, Process *process,
394  lldb::StateType state);
395  } Notifications;
396 
397  class ProcessEventData : public EventData {
398  friend class Process;
399 
400  public:
402  ProcessEventData(const lldb::ProcessSP &process, lldb::StateType state);
403 
404  ~ProcessEventData() override;
405 
406  static ConstString GetFlavorString();
407 
408  ConstString GetFlavor() const override;
409 
410  lldb::ProcessSP GetProcessSP() const { return m_process_wp.lock(); }
411 
412  lldb::StateType GetState() const { return m_state; }
413  bool GetRestarted() const { return m_restarted; }
414 
415  size_t GetNumRestartedReasons() { return m_restarted_reasons.size(); }
416 
417  const char *GetRestartedReasonAtIndex(size_t idx) {
418  return ((idx < m_restarted_reasons.size())
419  ? m_restarted_reasons[idx].c_str()
420  : nullptr);
421  }
422 
423  bool GetInterrupted() const { return m_interrupted; }
424 
425  void Dump(Stream *s) const override;
426 
427  virtual bool ShouldStop(Event *event_ptr, bool &found_valid_stopinfo);
428 
429  void DoOnRemoval(Event *event_ptr) override;
430 
431  static const Process::ProcessEventData *
432  GetEventDataFromEvent(const Event *event_ptr);
433 
434  static lldb::ProcessSP GetProcessFromEvent(const Event *event_ptr);
435 
436  static lldb::StateType GetStateFromEvent(const Event *event_ptr);
437 
438  static bool GetRestartedFromEvent(const Event *event_ptr);
439 
440  static size_t GetNumRestartedReasons(const Event *event_ptr);
441 
442  static const char *GetRestartedReasonAtIndex(const Event *event_ptr,
443  size_t idx);
444 
445  static void AddRestartedReason(Event *event_ptr, const char *reason);
446 
447  static void SetRestartedInEvent(Event *event_ptr, bool new_value);
448 
449  static bool GetInterruptedFromEvent(const Event *event_ptr);
450 
451  static void SetInterruptedInEvent(Event *event_ptr, bool new_value);
452 
453  static bool SetUpdateStateOnRemoval(Event *event_ptr);
454 
455  private:
457 
458  void SetRestarted(bool new_value) { m_restarted = new_value; }
459 
460  void SetInterrupted(bool new_value) { m_interrupted = new_value; }
461 
462  void AddRestartedReason(const char *reason) {
463  m_restarted_reasons.push_back(reason);
464  }
465 
466  lldb::ProcessWP m_process_wp;
468  std::vector<std::string> m_restarted_reasons;
469  bool m_restarted = false; // For "eStateStopped" events, this is true if the
470  // target was automatically restarted.
471  int m_update_state = 0;
472  bool m_interrupted = false;
473 
474  ProcessEventData(const ProcessEventData &) = delete;
475  const ProcessEventData &operator=(const ProcessEventData &) = delete;
476  };
477 
478  /// Destructor.
479  ///
480  /// The destructor is virtual since this class is designed to be inherited
481  /// from by the plug-in instance.
482  ~Process() override;
483 
484  static void SettingsInitialize();
485 
486  static void SettingsTerminate();
487 
489 
490  /// Find a Process plug-in that can debug \a module using the currently
491  /// selected architecture.
492  ///
493  /// Scans all loaded plug-in interfaces that implement versions of the
494  /// Process plug-in interface and returns the first instance that can debug
495  /// the file.
496  ///
497  /// \see Process::CanDebug ()
498  static lldb::ProcessSP FindPlugin(lldb::TargetSP target_sp,
499  llvm::StringRef plugin_name,
500  lldb::ListenerSP listener_sp,
501  const FileSpec *crash_file_path,
502  bool can_connect);
503 
504  /// Static function that can be used with the \b host function
505  /// Host::StartMonitoringChildProcess ().
506  ///
507  /// This function can be used by lldb_private::Process subclasses when they
508  /// want to watch for a local process and have its exit status automatically
509  /// set when the host child process exits. Subclasses should call
510  /// Host::StartMonitoringChildProcess () with:
511  /// callback = Process::SetHostProcessExitStatus
512  /// pid = Process::GetID()
513  /// monitor_signals = false
514  static bool
515  SetProcessExitStatus(lldb::pid_t pid, // The process ID we want to monitor
516  bool exited,
517  int signo, // Zero for no signal
518  int status); // Exit value of process if signal is zero
519 
521 
523 
524  /// Returns the pid of the process or LLDB_INVALID_PROCESS_ID if there is
525  /// no known pid.
526  lldb::pid_t GetID() const { return m_pid; }
527 
528  /// Sets the stored pid.
529  ///
530  /// This does not change the pid of underlying process.
531  void SetID(lldb::pid_t new_pid) { m_pid = new_pid; }
532 
534 
535  /// Check if a plug-in instance can debug the file in \a module.
536  ///
537  /// Each plug-in is given a chance to say whether it can debug the file in
538  /// \a module. If the Process plug-in instance can debug a file on the
539  /// current system, it should return \b true.
540  ///
541  /// \return
542  /// Returns \b true if this Process plug-in instance can
543  /// debug the executable, \b false otherwise.
544  virtual bool CanDebug(lldb::TargetSP target,
545  bool plugin_specified_by_name) = 0;
546 
547  /// This object is about to be destroyed, do any necessary cleanup.
548  ///
549  /// Subclasses that override this method should always call this superclass
550  /// method.
551  virtual void Finalize();
552 
553  /// Return whether this object is valid (i.e. has not been finalized.)
554  ///
555  /// \return
556  /// Returns \b true if this Process has not been finalized
557  /// and \b false otherwise.
558  bool IsValid() const { return !m_finalizing; }
559 
560  /// Return a multi-word command object that can be used to expose plug-in
561  /// specific commands.
562  ///
563  /// This object will be used to resolve plug-in commands and can be
564  /// triggered by a call to:
565  ///
566  /// (lldb) process command <args>
567  ///
568  /// \return
569  /// A CommandObject which can be one of the concrete subclasses
570  /// of CommandObject like CommandObjectRaw, CommandObjectParsed,
571  /// or CommandObjectMultiword.
572  virtual CommandObject *GetPluginCommandObject() { return nullptr; }
573 
574  /// Launch a new process.
575  ///
576  /// Launch a new process by spawning a new process using the target object's
577  /// executable module's file as the file to launch.
578  ///
579  /// This function is not meant to be overridden by Process subclasses. It
580  /// will first call Process::WillLaunch (Module *) and if that returns \b
581  /// true, Process::DoLaunch (Module*, char const *[],char const *[],const
582  /// char *,const char *, const char *) will be called to actually do the
583  /// launching. If DoLaunch returns \b true, then Process::DidLaunch() will
584  /// be called.
585  ///
586  /// \param[in] launch_info
587  /// Details regarding the environment, STDIN/STDOUT/STDERR
588  /// redirection, working path, etc. related to the requested launch.
589  ///
590  /// \return
591  /// An error object. Call GetID() to get the process ID if
592  /// the error object is success.
593  virtual Status Launch(ProcessLaunchInfo &launch_info);
594 
595  virtual Status LoadCore();
596 
597  virtual Status DoLoadCore() {
598  Status error;
599  error.SetErrorStringWithFormatv(
600  "error: {0} does not support loading core files.", GetPluginName());
601  return error;
602  }
603 
604  // FUTURE WORK: GetLoadImageUtilityFunction are the first use we've
605  // had of having other plugins cache data in the Process. This is handy for
606  // long-living plugins - like the Platform - which manage interactions whose
607  // lifetime is governed by the Process lifetime. If we find we need to do
608  // this more often, we should construct a general solution to the problem.
609  // The consensus suggestion was that we have a token based registry in the
610  // Process. Some undecided questions are (1) who manages the tokens. It's
611  // probably best that you add the element and get back a token that
612  // represents it. That will avoid collisions. But there may be some utility
613  // in the registerer controlling the token? (2) whether the thing added
614  // should be simply owned by Process, and just go away when it does (3)
615  // whether the registree should be notified of the Process' demise.
616  //
617  // We are postponing designing this till we have at least a second use case.
618  /// Get the cached UtilityFunction that assists in loading binary images
619  /// into the process.
620  ///
621  /// \param[in] platform
622  /// The platform fetching the UtilityFunction.
623  /// \param[in] factory
624  /// A function that will be called only once per-process in a
625  /// thread-safe way to create the UtilityFunction if it has not
626  /// been initialized yet.
627  ///
628  /// \return
629  /// The cached utility function or null if the platform is not the
630  /// same as the target's platform.
632  Platform *platform,
633  llvm::function_ref<std::unique_ptr<UtilityFunction>()> factory);
634 
635  /// Get the dynamic loader plug-in for this process.
636  ///
637  /// The default action is to let the DynamicLoader plug-ins check the main
638  /// executable and the DynamicLoader will select itself automatically.
639  /// Subclasses can override this if inspecting the executable is not
640  /// desired, or if Process subclasses can only use a specific DynamicLoader
641  /// plug-in.
642  virtual DynamicLoader *GetDynamicLoader();
643 
644  void SetDynamicLoader(lldb::DynamicLoaderUP dyld);
645 
646  // Returns AUXV structure found in many ELF-based environments.
647  //
648  // The default action is to return an empty data buffer.
649  //
650  // \return
651  // A data extractor containing the contents of the AUXV data.
652  virtual DataExtractor GetAuxvData();
653 
654  /// Sometimes processes know how to retrieve and load shared libraries. This
655  /// is normally done by DynamicLoader plug-ins, but sometimes the connection
656  /// to the process allows retrieving this information. The dynamic loader
657  /// plug-ins can use this function if they can't determine the current
658  /// shared library load state.
659  ///
660  /// \return
661  /// A status object indicating if the operation was sucessful or not.
663  return llvm::make_error<llvm::StringError>("Not implemented.",
664  llvm::inconvertibleErrorCode());
665  }
666 
667  /// Query remote GDBServer for a detailed loaded library list
668  /// \return
669  /// The list of modules currently loaded by the process, or an error.
670  virtual llvm::Expected<LoadedModuleInfoList> GetLoadedModuleList() {
671  return llvm::createStringError(llvm::inconvertibleErrorCode(),
672  "Not implemented");
673  }
674 
675  /// Save core dump into the specified file.
676  ///
677  /// \param[in] outfile
678  /// Path to store core dump in.
679  ///
680  /// \return
681  /// true if saved successfully, false if saving the core dump
682  /// is not supported by the plugin, error otherwise.
683  virtual llvm::Expected<bool> SaveCore(llvm::StringRef outfile);
684 
685 protected:
686  virtual JITLoaderList &GetJITLoaders();
687 
688 public:
689  /// Get the system architecture for this process.
690  virtual ArchSpec GetSystemArchitecture() { return {}; }
691 
692  /// Get the system runtime plug-in for this process.
693  ///
694  /// \return
695  /// Returns a pointer to the SystemRuntime plugin for this Process
696  /// if one is available. Else returns nullptr.
697  virtual SystemRuntime *GetSystemRuntime();
698 
699  /// Attach to an existing process using the process attach info.
700  ///
701  /// This function is not meant to be overridden by Process subclasses. It
702  /// will first call WillAttach (lldb::pid_t) or WillAttach (const char *),
703  /// and if that returns \b true, DoAttach (lldb::pid_t) or DoAttach (const
704  /// char *) will be called to actually do the attach. If DoAttach returns \b
705  /// true, then Process::DidAttach() will be called.
706  ///
707  /// \param[in] attach_info
708  /// The process attach info.
709  ///
710  /// \return
711  /// Returns \a pid if attaching was successful, or
712  /// LLDB_INVALID_PROCESS_ID if attaching fails.
713  virtual Status Attach(ProcessAttachInfo &attach_info);
714 
715  /// Attach to a remote system via a URL
716  ///
717  /// \param[in] remote_url
718  /// The URL format that we are connecting to.
719  ///
720  /// \return
721  /// Returns an error object.
722  virtual Status ConnectRemote(llvm::StringRef remote_url);
723 
724  bool GetShouldDetach() const { return m_should_detach; }
725 
726  void SetShouldDetach(bool b) { m_should_detach = b; }
727 
728  /// Get the image vector for the current process.
729  ///
730  /// \return
731  /// The constant reference to the member m_image_tokens.
732  const std::vector<lldb::addr_t>& GetImageTokens() { return m_image_tokens; }
733 
734  /// Get the image information address for the current process.
735  ///
736  /// Some runtimes have system functions that can help dynamic loaders locate
737  /// the dynamic loader information needed to observe shared libraries being
738  /// loaded or unloaded. This function is in the Process interface (as
739  /// opposed to the DynamicLoader interface) to ensure that remote debugging
740  /// can take advantage of this functionality.
741  ///
742  /// \return
743  /// The address of the dynamic loader information, or
744  /// LLDB_INVALID_ADDRESS if this is not supported by this
745  /// interface.
747 
748  /// Called when the process is about to broadcast a public stop.
749  ///
750  /// There are public and private stops. Private stops are when the process
751  /// is doing things like stepping and the client doesn't need to know about
752  /// starts and stop that implement a thread plan. Single stepping over a
753  /// source line in code might end up being implemented by one or more
754  /// process starts and stops. Public stops are when clients will be notified
755  /// that the process is stopped. These events typically trigger UI updates
756  /// (thread stack frames to be displayed, variables to be displayed, and
757  /// more). This function can be overriden and allows process subclasses to
758  /// do something before the eBroadcastBitStateChanged event is sent to
759  /// public clients.
760  virtual void WillPublicStop() {}
761 
762 /// Register for process and thread notifications.
763 ///
764 /// Clients can register notification callbacks by filling out a
765 /// Process::Notifications structure and calling this function.
766 ///
767 /// \param[in] callbacks
768 /// A structure that contains the notification baton and
769 /// callback functions.
770 ///
771 /// \see Process::Notifications
773 
774 /// Unregister for process and thread notifications.
775 ///
776 /// Clients can unregister notification callbacks by passing a copy of the
777 /// original baton and callbacks in \a callbacks.
778 ///
779 /// \param[in] callbacks
780 /// A structure that contains the notification baton and
781 /// callback functions.
782 ///
783 /// \return
784 /// Returns \b true if the notification callbacks were
785 /// successfully removed from the process, \b false otherwise.
786 ///
787 /// \see Process::Notifications
789 
790  //==================================================================
791  // Built in Process Control functions
792  //==================================================================
793  /// Resumes all of a process's threads as configured using the Thread run
794  /// control functions.
795  ///
796  /// Threads for a process should be updated with one of the run control
797  /// actions (resume, step, or suspend) that they should take when the
798  /// process is resumed. If no run control action is given to a thread it
799  /// will be resumed by default.
800  ///
801  /// This function is not meant to be overridden by Process subclasses. This
802  /// function will take care of disabling any breakpoints that threads may be
803  /// stopped at, single stepping, and re-enabling breakpoints, and enabling
804  /// the basic flow control that the plug-in instances need not worry about.
805  ///
806  /// N.B. This function also sets the Write side of the Run Lock, which is
807  /// unset when the corresponding stop event is pulled off the Public Event
808  /// Queue. If you need to resume the process without setting the Run Lock,
809  /// use PrivateResume (though you should only do that from inside the
810  /// Process class.
811  ///
812  /// \return
813  /// Returns an error object.
814  ///
815  /// \see Thread:Resume()
816  /// \see Thread:Step()
817  /// \see Thread:Suspend()
818  Status Resume();
819 
821 
822  /// Halts a running process.
823  ///
824  /// This function is not meant to be overridden by Process subclasses. If
825  /// the process is successfully halted, a eStateStopped process event with
826  /// GetInterrupted will be broadcast. If false, we will halt the process
827  /// with no events generated by the halt.
828  ///
829  /// \param[in] clear_thread_plans
830  /// If true, when the process stops, clear all thread plans.
831  ///
832  /// \param[in] use_run_lock
833  /// Whether to release the run lock after the stop.
834  ///
835  /// \return
836  /// Returns an error object. If the error is empty, the process is
837  /// halted.
838  /// otherwise the halt has failed.
839  Status Halt(bool clear_thread_plans = false, bool use_run_lock = true);
840 
841  /// Detaches from a running or stopped process.
842  ///
843  /// This function is not meant to be overridden by Process subclasses.
844  ///
845  /// \param[in] keep_stopped
846  /// If true, don't resume the process on detach.
847  ///
848  /// \return
849  /// Returns an error object.
850  Status Detach(bool keep_stopped);
851 
852  /// Kills the process and shuts down all threads that were spawned to track
853  /// and monitor the process.
854  ///
855  /// This function is not meant to be overridden by Process subclasses.
856  ///
857  /// \param[in] force_kill
858  /// Whether lldb should force a kill (instead of a detach) from
859  /// the inferior process. Normally if lldb launched a binary and
860  /// Destory is called, lldb kills it. If lldb attached to a
861  /// running process and Destory is called, lldb detaches. If
862  /// this behavior needs to be over-ridden, this is the bool that
863  /// can be used.
864  ///
865  /// \return
866  /// Returns an error object.
867  Status Destroy(bool force_kill);
868 
869  /// Sends a process a UNIX signal \a signal.
870  ///
871  /// This function is not meant to be overridden by Process subclasses.
872  ///
873  /// \return
874  /// Returns an error object.
875  Status Signal(int signal);
876 
877  void SetUnixSignals(lldb::UnixSignalsSP &&signals_sp);
878 
879  const lldb::UnixSignalsSP &GetUnixSignals();
880 
881  //==================================================================
882  // Plug-in Process Control Overrides
883  //==================================================================
884 
885  /// Called before attaching to a process.
886  ///
887  /// \return
888  /// Returns an error object.
890 
891  /// Called before attaching to a process.
892  ///
893  /// Allow Process plug-ins to execute some code before attaching a process.
894  ///
895  /// \return
896  /// Returns an error object.
898  return Status();
899  }
900 
901  /// Called before attaching to a process.
902  ///
903  /// \return
904  /// Returns an error object.
905  Status WillAttachToProcessWithName(const char *process_name,
906  bool wait_for_launch);
907 
908  /// Called before attaching to a process.
909  ///
910  /// Allow Process plug-ins to execute some code before attaching a process.
911  ///
912  /// \return
913  /// Returns an error object.
914  virtual Status DoWillAttachToProcessWithName(const char *process_name,
915  bool wait_for_launch) {
916  return Status();
917  }
918 
919  /// Attach to a remote system via a URL
920  ///
921  /// \param[in] remote_url
922  /// The URL format that we are connecting to.
923  ///
924  /// \return
925  /// Returns an error object.
926  virtual Status DoConnectRemote(llvm::StringRef remote_url) {
927  Status error;
928  error.SetErrorString("remote connections are not supported");
929  return error;
930  }
931 
932  /// Attach to an existing process using a process ID.
933  ///
934  /// \param[in] pid
935  /// The process ID that we should attempt to attach to.
936  ///
937  /// \param[in] attach_info
938  /// Information on how to do the attach. For example, GetUserID()
939  /// will return the uid to attach as.
940  ///
941  /// \return
942  /// Returns a successful Status attaching was successful, or
943  /// an appropriate (possibly platform-specific) error code if
944  /// attaching fails.
945  /// hanming : need flag
947  const ProcessAttachInfo &attach_info) {
948  Status error;
949  error.SetErrorStringWithFormatv(
950  "error: {0} does not support attaching to a process by pid",
951  GetPluginName());
952  return error;
953  }
954 
955  /// Attach to an existing process using a partial process name.
956  ///
957  /// \param[in] process_name
958  /// The name of the process to attach to.
959  ///
960  /// \param[in] attach_info
961  /// Information on how to do the attach. For example, GetUserID()
962  /// will return the uid to attach as.
963  ///
964  /// \return
965  /// Returns a successful Status attaching was successful, or
966  /// an appropriate (possibly platform-specific) error code if
967  /// attaching fails.
968  virtual Status
969  DoAttachToProcessWithName(const char *process_name,
970  const ProcessAttachInfo &attach_info) {
971  Status error;
972  error.SetErrorString("attach by name is not supported");
973  return error;
974  }
975 
976  /// Called after attaching a process.
977  ///
978  /// \param[in] process_arch
979  /// If you can figure out the process architecture after attach, fill it
980  /// in here.
981  ///
982  /// Allow Process plug-ins to execute some code after attaching to a
983  /// process.
984  virtual void DidAttach(ArchSpec &process_arch) { process_arch.Clear(); }
985 
986  /// Called after a process re-execs itself.
987  ///
988  /// Allow Process plug-ins to execute some code after a process has exec'ed
989  /// itself. Subclasses typically should override DoDidExec() as the
990  /// lldb_private::Process class needs to remove its dynamic loader, runtime,
991  /// ABI and other plug-ins, as well as unload all shared libraries.
992  virtual void DidExec();
993 
994  /// Subclasses of Process should implement this function if they need to do
995  /// anything after a process exec's itself.
996  virtual void DoDidExec() {}
997 
998  /// Called after a reported fork.
999  virtual void DidFork(lldb::pid_t child_pid, lldb::tid_t child_tid) {}
1000 
1001  /// Called after a reported vfork.
1002  virtual void DidVFork(lldb::pid_t child_pid, lldb::tid_t child_tid) {}
1003 
1004  /// Called after reported vfork completion.
1005  virtual void DidVForkDone() {}
1006 
1007  /// Called before launching to a process.
1008  /// \return
1009  /// Returns an error object.
1010  Status WillLaunch(Module *module);
1011 
1012  /// Called before launching to a process.
1013  ///
1014  /// Allow Process plug-ins to execute some code before launching a process.
1015  ///
1016  /// \return
1017  /// Returns an error object.
1018  virtual Status DoWillLaunch(Module *module) { return Status(); }
1019 
1020  /// Launch a new process.
1021  ///
1022  /// Launch a new process by spawning a new process using \a exe_module's
1023  /// file as the file to launch. Launch details are provided in \a
1024  /// launch_info.
1025  ///
1026  /// \param[in] exe_module
1027  /// The module from which to extract the file specification and
1028  /// launch.
1029  ///
1030  /// \param[in] launch_info
1031  /// Details (e.g. arguments, stdio redirection, etc.) for the
1032  /// requested launch.
1033  ///
1034  /// \return
1035  /// An Status instance indicating success or failure of the
1036  /// operation.
1037  virtual Status DoLaunch(Module *exe_module, ProcessLaunchInfo &launch_info) {
1038  Status error;
1039  error.SetErrorStringWithFormatv(
1040  "error: {0} does not support launching processes", GetPluginName());
1041  return error;
1042  }
1043 
1044  /// Called after launching a process.
1045  ///
1046  /// Allow Process plug-ins to execute some code after launching a process.
1047  virtual void DidLaunch() {}
1048 
1049  /// Called before resuming to a process.
1050  ///
1051  /// Allow Process plug-ins to execute some code before resuming a process.
1052  ///
1053  /// \return
1054  /// Returns an error object.
1055  virtual Status WillResume() { return Status(); }
1056 
1057  /// Resumes all of a process's threads as configured using the Thread run
1058  /// control functions.
1059  ///
1060  /// Threads for a process should be updated with one of the run control
1061  /// actions (resume, step, or suspend) that they should take when the
1062  /// process is resumed. If no run control action is given to a thread it
1063  /// will be resumed by default.
1064  ///
1065  /// \return
1066  /// Returns \b true if the process successfully resumes using
1067  /// the thread run control actions, \b false otherwise.
1068  ///
1069  /// \see Thread:Resume()
1070  /// \see Thread:Step()
1071  /// \see Thread:Suspend()
1072  virtual Status DoResume() {
1073  Status error;
1074  error.SetErrorStringWithFormatv(
1075  "error: {0} does not support resuming processes", GetPluginName());
1076  return error;
1077  }
1078 
1079  /// Called after resuming a process.
1080  ///
1081  /// Allow Process plug-ins to execute some code after resuming a process.
1082  virtual void DidResume() {}
1083 
1084  /// Called before halting to a process.
1085  ///
1086  /// Allow Process plug-ins to execute some code before halting a process.
1087  ///
1088  /// \return
1089  /// Returns an error object.
1090  virtual Status WillHalt() { return Status(); }
1091 
1092  /// Halts a running process.
1093  ///
1094  /// DoHalt must produce one and only one stop StateChanged event if it
1095  /// actually stops the process. If the stop happens through some natural
1096  /// event (for instance a SIGSTOP), then forwarding that event will do.
1097  /// Otherwise, you must generate the event manually. This function is called
1098  /// from the context of the private state thread.
1099  ///
1100  /// \param[out] caused_stop
1101  /// If true, then this Halt caused the stop, otherwise, the
1102  /// process was already stopped.
1103  ///
1104  /// \return
1105  /// Returns \b true if the process successfully halts, \b false
1106  /// otherwise.
1107  virtual Status DoHalt(bool &caused_stop) {
1108  Status error;
1109  error.SetErrorStringWithFormatv(
1110  "error: {0} does not support halting processes", GetPluginName());
1111  return error;
1112  }
1113 
1114  /// Called after halting a process.
1115  ///
1116  /// Allow Process plug-ins to execute some code after halting a process.
1117  virtual void DidHalt() {}
1118 
1119  /// Called before detaching from a process.
1120  ///
1121  /// Allow Process plug-ins to execute some code before detaching from a
1122  /// process.
1123  ///
1124  /// \return
1125  /// Returns an error object.
1126  virtual Status WillDetach() { return Status(); }
1127 
1128  /// Detaches from a running or stopped process.
1129  ///
1130  /// \return
1131  /// Returns \b true if the process successfully detaches, \b
1132  /// false otherwise.
1133  virtual Status DoDetach(bool keep_stopped) {
1134  Status error;
1135  error.SetErrorStringWithFormatv(
1136  "error: {0} does not support detaching from processes",
1137  GetPluginName());
1138  return error;
1139  }
1140 
1141  /// Called after detaching from a process.
1142  ///
1143  /// Allow Process plug-ins to execute some code after detaching from a
1144  /// process.
1145  virtual void DidDetach() {}
1146 
1147  virtual bool DetachRequiresHalt() { return false; }
1148 
1149  /// Called before sending a signal to a process.
1150  ///
1151  /// Allow Process plug-ins to execute some code before sending a signal to a
1152  /// process.
1153  ///
1154  /// \return
1155  /// Returns no error if it is safe to proceed with a call to
1156  /// Process::DoSignal(int), otherwise an error describing what
1157  /// prevents the signal from being sent.
1158  virtual Status WillSignal() { return Status(); }
1159 
1160  /// Sends a process a UNIX signal \a signal.
1161  ///
1162  /// \return
1163  /// Returns an error object.
1164  virtual Status DoSignal(int signal) {
1165  Status error;
1166  error.SetErrorStringWithFormatv(
1167  "error: {0} does not support sending signals to processes",
1168  GetPluginName());
1169  return error;
1170  }
1171 
1172  virtual Status WillDestroy() { return Status(); }
1173 
1174  virtual Status DoDestroy() = 0;
1175 
1176  virtual void DidDestroy() {}
1177 
1178  virtual bool DestroyRequiresHalt() { return true; }
1179 
1180  /// Called after sending a signal to a process.
1181  ///
1182  /// Allow Process plug-ins to execute some code after sending a signal to a
1183  /// process.
1184  virtual void DidSignal() {}
1185 
1186  /// Currently called as part of ShouldStop.
1187  /// FIXME: Should really happen when the target stops before the
1188  /// event is taken from the queue...
1189  ///
1190  /// This callback is called as the event
1191  /// is about to be queued up to allow Process plug-ins to execute some code
1192  /// prior to clients being notified that a process was stopped. Common
1193  /// operations include updating the thread list, invalidating any thread
1194  /// state (registers, stack, etc) prior to letting the notification go out.
1195  ///
1196  virtual void RefreshStateAfterStop() = 0;
1197 
1198  /// Sometimes the connection to a process can detect the host OS version
1199  /// that the process is running on. The current platform should be checked
1200  /// first in case the platform is connected, but clients can fall back onto
1201  /// this function if the platform fails to identify the host OS version. The
1202  /// platform should be checked first in case you are running a simulator
1203  /// platform that might itself be running natively, but have different
1204  /// heuristics for figuring out which OS is is emulating.
1205  ///
1206  /// \return
1207  /// Returns the version tuple of the host OS. In case of failure an empty
1208  /// VersionTuple is returner.
1209  virtual llvm::VersionTuple GetHostOSVersion() { return llvm::VersionTuple(); }
1210 
1211  /// \return the macCatalyst version of the host OS.
1212  virtual llvm::VersionTuple GetHostMacCatalystVersion() { return {}; }
1213 
1214  /// Get the target object pointer for this module.
1215  ///
1216  /// \return
1217  /// A Target object pointer to the target that owns this
1218  /// module.
1219  Target &GetTarget() { return *m_target_wp.lock(); }
1220 
1221  /// Get the const target object pointer for this module.
1222  ///
1223  /// \return
1224  /// A const Target object pointer to the target that owns this
1225  /// module.
1226  const Target &GetTarget() const { return *m_target_wp.lock(); }
1227 
1228  /// Flush all data in the process.
1229  ///
1230  /// Flush the memory caches, all threads, and any other cached data in the
1231  /// process.
1232  ///
1233  /// This function can be called after a world changing event like adding a
1234  /// new symbol file, or after the process makes a large context switch (from
1235  /// boot ROM to booted into an OS).
1236  void Flush();
1237 
1238  /// Get accessor for the current process state.
1239  ///
1240  /// \return
1241  /// The current state of the process.
1242  ///
1243  /// \see lldb::StateType
1245 
1247  RunThreadPlan(ExecutionContext &exe_ctx, lldb::ThreadPlanSP &thread_plan_sp,
1248  const EvaluateExpressionOptions &options,
1249  DiagnosticManager &diagnostic_manager);
1250 
1251  static const char *ExecutionResultAsCString(lldb::ExpressionResults result);
1252 
1253  void GetStatus(Stream &ostrm);
1254 
1255  size_t GetThreadStatus(Stream &ostrm, bool only_threads_with_stop_reason,
1256  uint32_t start_frame, uint32_t num_frames,
1257  uint32_t num_frames_with_source,
1258  bool stop_format);
1259 
1260  void SendAsyncInterrupt();
1261 
1262  // Notify this process class that modules got loaded.
1263  //
1264  // If subclasses override this method, they must call this version before
1265  // doing anything in the subclass version of the function.
1266  virtual void ModulesDidLoad(ModuleList &module_list);
1267 
1268  /// Retrieve the list of shared libraries that are loaded for this process
1269  /// This method is used on pre-macOS 10.12, pre-iOS 10, pre-tvOS 10, pre-
1270  /// watchOS 3 systems. The following two methods are for newer versions of
1271  /// those OSes.
1272  ///
1273  /// For certain platforms, the time it takes for the DynamicLoader plugin to
1274  /// read all of the shared libraries out of memory over a slow communication
1275  /// channel may be too long. In that instance, the gdb-remote stub may be
1276  /// able to retrieve the necessary information about the solibs out of
1277  /// memory and return a concise summary sufficient for the DynamicLoader
1278  /// plugin.
1279  ///
1280  /// \param [in] image_list_address
1281  /// The address where the table of shared libraries is stored in memory,
1282  /// if that is appropriate for this platform. Else this may be
1283  /// passed as LLDB_INVALID_ADDRESS.
1284  ///
1285  /// \param [in] image_count
1286  /// The number of shared libraries that are present in this process, if
1287  /// that is appropriate for this platofrm Else this may be passed as
1288  /// LLDB_INVALID_ADDRESS.
1289  ///
1290  /// \return
1291  /// A StructuredDataSP object which, if non-empty, will contain the
1292  /// information the DynamicLoader needs to get the initial scan of
1293  /// solibs resolved.
1296  lldb::addr_t image_count) {
1297  return StructuredData::ObjectSP();
1298  }
1299 
1300  // On macOS 10.12, tvOS 10, iOS 10, watchOS 3 and newer, debugserver can
1301  // return the full list of loaded shared libraries without needing any input.
1304  return StructuredData::ObjectSP();
1305  }
1306 
1307  // On macOS 10.12, tvOS 10, iOS 10, watchOS 3 and newer, debugserver can
1308  // return information about binaries given their load addresses.
1310  const std::vector<lldb::addr_t> &load_addresses) {
1311  return StructuredData::ObjectSP();
1312  }
1313 
1314  // Get information about the library shared cache, if that exists
1315  //
1316  // On macOS 10.12, tvOS 10, iOS 10, watchOS 3 and newer, debugserver can
1317  // return information about the library shared cache (a set of standard
1318  // libraries that are loaded at the same location for all processes on a
1319  // system) in use.
1321  return StructuredData::ObjectSP();
1322  }
1323 
1324  // Get information about the launch state of the process, if possible.
1325  //
1326  // On Darwin systems, libdyld can report on process state, most importantly
1327  // the startup stages where the system library is not yet initialized.
1330  return {};
1331  }
1332 
1333  /// Print a user-visible warning about a module being built with
1334  /// optimization
1335  ///
1336  /// Prints a async warning message to the user one time per Module where a
1337  /// function is found that was compiled with optimization, per Process.
1338  ///
1339  /// \param [in] sc
1340  /// A SymbolContext with eSymbolContextFunction and eSymbolContextModule
1341  /// pre-computed.
1342  void PrintWarningOptimization(const SymbolContext &sc);
1343 
1344  /// Print a user-visible warning about a function written in a
1345  /// language that this version of LLDB doesn't support.
1346  ///
1347  /// \see PrintWarningOptimization
1349 
1350  virtual bool GetProcessInfo(ProcessInstanceInfo &info);
1351 
1352  /// Get the exit status for a process.
1353  ///
1354  /// \return
1355  /// The process's return code, or -1 if the current process
1356  /// state is not eStateExited.
1357  int GetExitStatus();
1358 
1359  /// Get a textual description of what the process exited.
1360  ///
1361  /// \return
1362  /// The textual description of why the process exited, or nullptr
1363  /// if there is no description available.
1364  const char *GetExitDescription();
1365 
1366  virtual void DidExit() {}
1367 
1370 
1371  void SetCodeAddressMask(lldb::addr_t code_address_mask) {
1372  m_code_address_mask = code_address_mask;
1373  }
1374 
1375  void SetDataAddressMask(lldb::addr_t data_address_mask) {
1376  m_data_address_mask = data_address_mask;
1377  }
1378 
1379  /// Get the Modification ID of the process.
1380  ///
1381  /// \return
1382  /// The modification ID of the process.
1383  ProcessModID GetModID() const { return m_mod_id; }
1384 
1385  const ProcessModID &GetModIDRef() const { return m_mod_id; }
1386 
1387  uint32_t GetStopID() const { return m_mod_id.GetStopID(); }
1388 
1390 
1393  }
1394 
1396  return m_mod_id.GetLastNaturalStopID();
1397  }
1398 
1399  lldb::EventSP GetStopEventForStopID(uint32_t stop_id) const {
1400  return m_mod_id.GetStopEventForStopID(stop_id);
1401  }
1402 
1403  /// Set accessor for the process exit status (return code).
1404  ///
1405  /// Sometimes a child exits and the exit can be detected by global functions
1406  /// (signal handler for SIGCHLD for example). This accessor allows the exit
1407  /// status to be set from an external source.
1408  ///
1409  /// Setting this will cause a eStateExited event to be posted to the process
1410  /// event queue.
1411  ///
1412  /// \param[in] exit_status
1413  /// The value for the process's return code.
1414  ///
1415  /// \see lldb::StateType
1416  virtual bool SetExitStatus(int exit_status, const char *cstr);
1417 
1418  /// Check if a process is still alive.
1419  ///
1420  /// \return
1421  /// Returns \b true if the process is still valid, \b false
1422  /// otherwise.
1423  virtual bool IsAlive();
1424 
1425  virtual bool IsLiveDebugSession() const { return true; };
1426 
1427  /// Before lldb detaches from a process, it warns the user that they are
1428  /// about to lose their debug session. In some cases, this warning doesn't
1429  /// need to be emitted -- for instance, with core file debugging where the
1430  /// user can reconstruct the "state" by simply re-running the debugger on
1431  /// the core file.
1432  ///
1433  /// \return
1434  /// Returns \b true if the user should be warned about detaching from
1435  /// this process.
1436  virtual bool WarnBeforeDetach() const { return true; }
1437 
1438  /// Read of memory from a process.
1439  ///
1440  /// This function will read memory from the current process's address space
1441  /// and remove any traps that may have been inserted into the memory.
1442  ///
1443  /// This function is not meant to be overridden by Process subclasses, the
1444  /// subclasses should implement Process::DoReadMemory (lldb::addr_t, size_t,
1445  /// void *).
1446  ///
1447  /// \param[in] vm_addr
1448  /// A virtual load address that indicates where to start reading
1449  /// memory from.
1450  ///
1451  /// \param[out] buf
1452  /// A byte buffer that is at least \a size bytes long that
1453  /// will receive the memory bytes.
1454  ///
1455  /// \param[in] size
1456  /// The number of bytes to read.
1457  ///
1458  /// \param[out] error
1459  /// An error that indicates the success or failure of this
1460  /// operation. If error indicates success (error.Success()),
1461  /// then the value returned can be trusted, otherwise zero
1462  /// will be returned.
1463  ///
1464  /// \return
1465  /// The number of bytes that were actually read into \a buf. If
1466  /// the returned number is greater than zero, yet less than \a
1467  /// size, then this function will get called again with \a
1468  /// vm_addr, \a buf, and \a size updated appropriately. Zero is
1469  /// returned in the case of an error.
1470  virtual size_t ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
1471  Status &error);
1472 
1473  /// Read of memory from a process.
1474  ///
1475  /// This function has the same semantics of ReadMemory except that it
1476  /// bypasses caching.
1477  ///
1478  /// \param[in] vm_addr
1479  /// A virtual load address that indicates where to start reading
1480  /// memory from.
1481  ///
1482  /// \param[out] buf
1483  /// A byte buffer that is at least \a size bytes long that
1484  /// will receive the memory bytes.
1485  ///
1486  /// \param[in] size
1487  /// The number of bytes to read.
1488  ///
1489  /// \param[out] error
1490  /// An error that indicates the success or failure of this
1491  /// operation. If error indicates success (error.Success()),
1492  /// then the value returned can be trusted, otherwise zero
1493  /// will be returned.
1494  ///
1495  /// \return
1496  /// The number of bytes that were actually read into \a buf. If
1497  /// the returned number is greater than zero, yet less than \a
1498  /// size, then this function will get called again with \a
1499  /// vm_addr, \a buf, and \a size updated appropriately. Zero is
1500  /// returned in the case of an error.
1501  size_t ReadMemoryFromInferior(lldb::addr_t vm_addr, void *buf, size_t size,
1502  Status &error);
1503 
1504  /// Read a NULL terminated C string from memory
1505  ///
1506  /// This function will read a cache page at a time until the NULL
1507  /// C string terminator is found. It will stop reading if the NULL
1508  /// termination byte isn't found before reading \a cstr_max_len bytes, and
1509  /// the results are always guaranteed to be NULL terminated (at most
1510  /// cstr_max_len - 1 bytes will be read).
1511  size_t ReadCStringFromMemory(lldb::addr_t vm_addr, char *cstr,
1512  size_t cstr_max_len, Status &error);
1513 
1514  size_t ReadCStringFromMemory(lldb::addr_t vm_addr, std::string &out_str,
1515  Status &error);
1516 
1517  /// Reads an unsigned integer of the specified byte size from process
1518  /// memory.
1519  ///
1520  /// \param[in] load_addr
1521  /// A load address of the integer to read.
1522  ///
1523  /// \param[in] byte_size
1524  /// The size in byte of the integer to read.
1525  ///
1526  /// \param[in] fail_value
1527  /// The value to return if we fail to read an integer.
1528  ///
1529  /// \param[out] error
1530  /// An error that indicates the success or failure of this
1531  /// operation. If error indicates success (error.Success()),
1532  /// then the value returned can be trusted, otherwise zero
1533  /// will be returned.
1534  ///
1535  /// \return
1536  /// The unsigned integer that was read from the process memory
1537  /// space. If the integer was smaller than a uint64_t, any
1538  /// unused upper bytes will be zero filled. If the process
1539  /// byte order differs from the host byte order, the integer
1540  /// value will be appropriately byte swapped into host byte
1541  /// order.
1542  uint64_t ReadUnsignedIntegerFromMemory(lldb::addr_t load_addr,
1543  size_t byte_size, uint64_t fail_value,
1544  Status &error);
1545 
1546  int64_t ReadSignedIntegerFromMemory(lldb::addr_t load_addr, size_t byte_size,
1547  int64_t fail_value, Status &error);
1548 
1550 
1551  bool WritePointerToMemory(lldb::addr_t vm_addr, lldb::addr_t ptr_value,
1552  Status &error);
1553 
1554  /// Actually do the writing of memory to a process.
1555  ///
1556  /// \param[in] vm_addr
1557  /// A virtual load address that indicates where to start writing
1558  /// memory to.
1559  ///
1560  /// \param[in] buf
1561  /// A byte buffer that is at least \a size bytes long that
1562  /// contains the data to write.
1563  ///
1564  /// \param[in] size
1565  /// The number of bytes to write.
1566  ///
1567  /// \param[out] error
1568  /// An error value in case the memory write fails.
1569  ///
1570  /// \return
1571  /// The number of bytes that were actually written.
1572  virtual size_t DoWriteMemory(lldb::addr_t vm_addr, const void *buf,
1573  size_t size, Status &error) {
1574  error.SetErrorStringWithFormatv(
1575  "error: {0} does not support writing to processes", GetPluginName());
1576  return 0;
1577  }
1578 
1579  /// Write all or part of a scalar value to memory.
1580  ///
1581  /// The value contained in \a scalar will be swapped to match the byte order
1582  /// of the process that is being debugged. If \a size is less than the size
1583  /// of scalar, the least significant \a size bytes from scalar will be
1584  /// written. If \a size is larger than the byte size of scalar, then the
1585  /// extra space will be padded with zeros and the scalar value will be
1586  /// placed in the least significant bytes in memory.
1587  ///
1588  /// \param[in] vm_addr
1589  /// A virtual load address that indicates where to start writing
1590  /// memory to.
1591  ///
1592  /// \param[in] scalar
1593  /// The scalar to write to the debugged process.
1594  ///
1595  /// \param[in] size
1596  /// This value can be smaller or larger than the scalar value
1597  /// itself. If \a size is smaller than the size of \a scalar,
1598  /// the least significant bytes in \a scalar will be used. If
1599  /// \a size is larger than the byte size of \a scalar, then
1600  /// the extra space will be padded with zeros. If \a size is
1601  /// set to UINT32_MAX, then the size of \a scalar will be used.
1602  ///
1603  /// \param[out] error
1604  /// An error value in case the memory write fails.
1605  ///
1606  /// \return
1607  /// The number of bytes that were actually written.
1608  size_t WriteScalarToMemory(lldb::addr_t vm_addr, const Scalar &scalar,
1609  size_t size, Status &error);
1610 
1611  size_t ReadScalarIntegerFromMemory(lldb::addr_t addr, uint32_t byte_size,
1612  bool is_signed, Scalar &scalar,
1613  Status &error);
1614 
1615  /// Write memory to a process.
1616  ///
1617  /// This function will write memory to the current process's address space
1618  /// and maintain any traps that might be present due to software
1619  /// breakpoints.
1620  ///
1621  /// This function is not meant to be overridden by Process subclasses, the
1622  /// subclasses should implement Process::DoWriteMemory (lldb::addr_t,
1623  /// size_t, void *).
1624  ///
1625  /// \param[in] vm_addr
1626  /// A virtual load address that indicates where to start writing
1627  /// memory to.
1628  ///
1629  /// \param[in] buf
1630  /// A byte buffer that is at least \a size bytes long that
1631  /// contains the data to write.
1632  ///
1633  /// \param[in] size
1634  /// The number of bytes to write.
1635  ///
1636  /// \return
1637  /// The number of bytes that were actually written.
1638  // TODO: change this to take an ArrayRef<uint8_t>
1639  size_t WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size,
1640  Status &error);
1641 
1642  /// Actually allocate memory in the process.
1643  ///
1644  /// This function will allocate memory in the process's address space. This
1645  /// can't rely on the generic function calling mechanism, since that
1646  /// requires this function.
1647  ///
1648  /// \param[in] size
1649  /// The size of the allocation requested.
1650  ///
1651  /// \return
1652  /// The address of the allocated buffer in the process, or
1653  /// LLDB_INVALID_ADDRESS if the allocation failed.
1654 
1655  virtual lldb::addr_t DoAllocateMemory(size_t size, uint32_t permissions,
1656  Status &error) {
1657  error.SetErrorStringWithFormatv(
1658  "error: {0} does not support allocating in the debug process",
1659  GetPluginName());
1660  return LLDB_INVALID_ADDRESS;
1661  }
1662 
1663  virtual Status WriteObjectFile(std::vector<ObjectFile::LoadableData> entries);
1664 
1665  /// The public interface to allocating memory in the process.
1666  ///
1667  /// This function will allocate memory in the process's address space. This
1668  /// can't rely on the generic function calling mechanism, since that
1669  /// requires this function.
1670  ///
1671  /// \param[in] size
1672  /// The size of the allocation requested.
1673  ///
1674  /// \param[in] permissions
1675  /// Or together any of the lldb::Permissions bits. The permissions on
1676  /// a given memory allocation can't be changed after allocation. Note
1677  /// that a block that isn't set writable can still be written on from
1678  /// lldb,
1679  /// just not by the process itself.
1680  ///
1681  /// \param[in,out] error
1682  /// An error object to fill in if things go wrong.
1683  /// \return
1684  /// The address of the allocated buffer in the process, or
1685  /// LLDB_INVALID_ADDRESS if the allocation failed.
1686  lldb::addr_t AllocateMemory(size_t size, uint32_t permissions, Status &error);
1687 
1688  /// The public interface to allocating memory in the process, this also
1689  /// clears the allocated memory.
1690  ///
1691  /// This function will allocate memory in the process's address space. This
1692  /// can't rely on the generic function calling mechanism, since that
1693  /// requires this function.
1694  ///
1695  /// \param[in] size
1696  /// The size of the allocation requested.
1697  ///
1698  /// \param[in] permissions
1699  /// Or together any of the lldb::Permissions bits. The permissions on
1700  /// a given memory allocation can't be changed after allocation. Note
1701  /// that a block that isn't set writable can still be written on from
1702  /// lldb,
1703  /// just not by the process itself.
1704  ///
1705  /// \param[in,out] error
1706  /// An error object to fill in if things go wrong.
1707  ///
1708  /// \return
1709  /// The address of the allocated buffer in the process, or
1710  /// LLDB_INVALID_ADDRESS if the allocation failed.
1711 
1712  lldb::addr_t CallocateMemory(size_t size, uint32_t permissions,
1713  Status &error);
1714 
1715  /// If this architecture and process supports memory tagging, return a tag
1716  /// manager that can be used to maniupulate those memory tags.
1717  ///
1718  /// \return
1719  /// Either a valid pointer to a tag manager or an error describing why one
1720  /// could not be provided.
1721  llvm::Expected<const MemoryTagManager *> GetMemoryTagManager();
1722 
1723  /// Read memory tags for the range addr to addr+len. It is assumed
1724  /// that this range has already been granule aligned.
1725  /// (see MemoryTagManager::MakeTaggedRange)
1726  ///
1727  /// This calls DoReadMemoryTags to do the target specific operations.
1728  ///
1729  /// \param[in] addr
1730  /// Start of memory range to read tags for.
1731  ///
1732  /// \param[in] len
1733  /// Length of memory range to read tags for (in bytes).
1734  ///
1735  /// \return
1736  /// If this architecture or process does not support memory tagging,
1737  /// an error saying so.
1738  /// If it does, either the memory tags or an error describing a
1739  /// failure to read or unpack them.
1740  virtual llvm::Expected<std::vector<lldb::addr_t>>
1741  ReadMemoryTags(lldb::addr_t addr, size_t len);
1742 
1743  /// Write memory tags for a range of memory.
1744  /// (calls DoWriteMemoryTags to do the target specific work)
1745  ///
1746  /// \param[in] addr
1747  /// The address to start writing tags from. It is assumed that this
1748  /// address is granule aligned.
1749  ///
1750  /// \param[in] len
1751  /// The size of the range to write tags for. It is assumed that this
1752  /// is some multiple of the granule size. This len can be different
1753  /// from (number of tags * granule size) in the case where you want
1754  /// lldb-server to repeat tags across the range.
1755  ///
1756  /// \param[in] tags
1757  /// Allocation tags to be written. Since lldb-server can repeat tags for a
1758  /// range, the number of tags doesn't have to match the number of granules
1759  /// in the range. (though most of the time it will)
1760  ///
1761  /// \return
1762  /// A Status telling you if the write succeeded or not.
1763  Status WriteMemoryTags(lldb::addr_t addr, size_t len,
1764  const std::vector<lldb::addr_t> &tags);
1765 
1766  /// Resolve dynamically loaded indirect functions.
1767  ///
1768  /// \param[in] address
1769  /// The load address of the indirect function to resolve.
1770  ///
1771  /// \param[out] error
1772  /// An error value in case the resolve fails.
1773  ///
1774  /// \return
1775  /// The address of the resolved function.
1776  /// LLDB_INVALID_ADDRESS if the resolution failed.
1777  virtual lldb::addr_t ResolveIndirectFunction(const Address *address,
1778  Status &error);
1779 
1780  /// Locate the memory region that contains load_addr.
1781  ///
1782  /// If load_addr is within the address space the process has mapped
1783  /// range_info will be filled in with the start and end of that range as
1784  /// well as the permissions for that range and range_info. GetMapped will
1785  /// return true.
1786  ///
1787  /// If load_addr is outside any mapped region then range_info will have its
1788  /// start address set to load_addr and the end of the range will indicate
1789  /// the start of the next mapped range or be set to LLDB_INVALID_ADDRESS if
1790  /// there are no valid mapped ranges between load_addr and the end of the
1791  /// process address space.
1792  ///
1793  /// GetMemoryRegionInfo calls DoGetMemoryRegionInfo. Override that function in
1794  /// process subclasses.
1795  ///
1796  /// \param[in] load_addr
1797  /// The load address to query the range_info for. May include non
1798  /// address bits, these will be removed by the the ABI plugin if there is
1799  /// one.
1800  ///
1801  /// \param[out] range_info
1802  /// An range_info value containing the details of the range.
1803  ///
1804  /// \return
1805  /// An error value.
1807  MemoryRegionInfo &range_info);
1808 
1809  /// Obtain all the mapped memory regions within this process.
1810  ///
1811  /// \param[out] region_list
1812  /// A vector to contain MemoryRegionInfo objects for all mapped
1813  /// ranges.
1814  ///
1815  /// \return
1816  /// An error value.
1817  virtual Status
1819 
1821  Status error;
1822  num = 0;
1823  error.SetErrorString("Process::GetWatchpointSupportInfo() not supported");
1824  return error;
1825  }
1826 
1827  virtual Status GetWatchpointSupportInfo(uint32_t &num, bool &after) {
1828  Status error;
1829  num = 0;
1830  after = true;
1831  error.SetErrorString("Process::GetWatchpointSupportInfo() not supported");
1832  return error;
1833  }
1834 
1835  lldb::ModuleSP ReadModuleFromMemory(const FileSpec &file_spec,
1836  lldb::addr_t header_addr,
1837  size_t size_to_read = 512);
1838 
1839  /// Attempt to get the attributes for a region of memory in the process.
1840  ///
1841  /// It may be possible for the remote debug server to inspect attributes for
1842  /// a region of memory in the process, such as whether there is a valid page
1843  /// of memory at a given address or whether that page is
1844  /// readable/writable/executable by the process.
1845  ///
1846  /// \param[in] load_addr
1847  /// The address of interest in the process.
1848  ///
1849  /// \param[out] permissions
1850  /// If this call returns successfully, this bitmask will have
1851  /// its Permissions bits set to indicate whether the region is
1852  /// readable/writable/executable. If this call fails, the
1853  /// bitmask values are undefined.
1854  ///
1855  /// \return
1856  /// Returns true if it was able to determine the attributes of the
1857  /// memory region. False if not.
1858  virtual bool GetLoadAddressPermissions(lldb::addr_t load_addr,
1859  uint32_t &permissions);
1860 
1861  /// Determines whether executing JIT-compiled code in this process is
1862  /// possible.
1863  ///
1864  /// \return
1865  /// True if execution of JIT code is possible; false otherwise.
1866  bool CanJIT();
1867 
1868  /// Sets whether executing JIT-compiled code in this process is possible.
1869  ///
1870  /// \param[in] can_jit
1871  /// True if execution of JIT code is possible; false otherwise.
1872  void SetCanJIT(bool can_jit);
1873 
1874  /// Determines whether executing function calls using the interpreter is
1875  /// possible for this process.
1876  ///
1877  /// \return
1878  /// True if possible; false otherwise.
1880 
1881  /// Sets whether executing function calls using the interpreter is possible
1882  /// for this process.
1883  ///
1884  /// \param[in] can_interpret_function_calls
1885  /// True if possible; false otherwise.
1886  void SetCanInterpretFunctionCalls(bool can_interpret_function_calls) {
1887  m_can_interpret_function_calls = can_interpret_function_calls;
1888  }
1889 
1890  /// Sets whether executing code in this process is possible. This could be
1891  /// either through JIT or interpreting.
1892  ///
1893  /// \param[in] can_run_code
1894  /// True if execution of code is possible; false otherwise.
1895  void SetCanRunCode(bool can_run_code);
1896 
1897  /// Actually deallocate memory in the process.
1898  ///
1899  /// This function will deallocate memory in the process's address space that
1900  /// was allocated with AllocateMemory.
1901  ///
1902  /// \param[in] ptr
1903  /// A return value from AllocateMemory, pointing to the memory you
1904  /// want to deallocate.
1905  ///
1906  /// \return
1907  /// \b true if the memory was deallocated, \b false otherwise.
1909  Status error;
1910  error.SetErrorStringWithFormatv(
1911  "error: {0} does not support deallocating in the debug process",
1912  GetPluginName());
1913  return error;
1914  }
1915 
1916  /// The public interface to deallocating memory in the process.
1917  ///
1918  /// This function will deallocate memory in the process's address space that
1919  /// was allocated with AllocateMemory.
1920  ///
1921  /// \param[in] ptr
1922  /// A return value from AllocateMemory, pointing to the memory you
1923  /// want to deallocate.
1924  ///
1925  /// \return
1926  /// \b true if the memory was deallocated, \b false otherwise.
1928 
1929  /// Get any available STDOUT.
1930  ///
1931  /// Calling this method is a valid operation only if all of the following
1932  /// conditions are true: 1) The process was launched, and not attached to.
1933  /// 2) The process was not launched with eLaunchFlagDisableSTDIO. 3) The
1934  /// process was launched without supplying a valid file path
1935  /// for STDOUT.
1936  ///
1937  /// Note that the implementation will probably need to start a read thread
1938  /// in the background to make sure that the pipe is drained and the STDOUT
1939  /// buffered appropriately, to prevent the process from deadlocking trying
1940  /// to write to a full buffer.
1941  ///
1942  /// Events will be queued indicating that there is STDOUT available that can
1943  /// be retrieved using this function.
1944  ///
1945  /// \param[out] buf
1946  /// A buffer that will receive any STDOUT bytes that are
1947  /// currently available.
1948  ///
1949  /// \param[in] buf_size
1950  /// The size in bytes for the buffer \a buf.
1951  ///
1952  /// \return
1953  /// The number of bytes written into \a buf. If this value is
1954  /// equal to \a buf_size, another call to this function should
1955  /// be made to retrieve more STDOUT data.
1956  virtual size_t GetSTDOUT(char *buf, size_t buf_size, Status &error);
1957 
1958  /// Get any available STDERR.
1959  ///
1960  /// Calling this method is a valid operation only if all of the following
1961  /// conditions are true: 1) The process was launched, and not attached to.
1962  /// 2) The process was not launched with eLaunchFlagDisableSTDIO. 3) The
1963  /// process was launched without supplying a valid file path
1964  /// for STDERR.
1965  ///
1966  /// Note that the implementation will probably need to start a read thread
1967  /// in the background to make sure that the pipe is drained and the STDERR
1968  /// buffered appropriately, to prevent the process from deadlocking trying
1969  /// to write to a full buffer.
1970  ///
1971  /// Events will be queued indicating that there is STDERR available that can
1972  /// be retrieved using this function.
1973  ///
1974  /// \param[in] buf
1975  /// A buffer that will receive any STDERR bytes that are
1976  /// currently available.
1977  ///
1978  /// \param[out] buf_size
1979  /// The size in bytes for the buffer \a buf.
1980  ///
1981  /// \return
1982  /// The number of bytes written into \a buf. If this value is
1983  /// equal to \a buf_size, another call to this function should
1984  /// be made to retrieve more STDERR data.
1985  virtual size_t GetSTDERR(char *buf, size_t buf_size, Status &error);
1986 
1987  /// Puts data into this process's STDIN.
1988  ///
1989  /// Calling this method is a valid operation only if all of the following
1990  /// conditions are true: 1) The process was launched, and not attached to.
1991  /// 2) The process was not launched with eLaunchFlagDisableSTDIO. 3) The
1992  /// process was launched without supplying a valid file path
1993  /// for STDIN.
1994  ///
1995  /// \param[in] buf
1996  /// A buffer that contains the data to write to the process's STDIN.
1997  ///
1998  /// \param[in] buf_size
1999  /// The size in bytes for the buffer \a buf.
2000  ///
2001  /// \return
2002  /// The number of bytes written into \a buf. If this value is
2003  /// less than \a buf_size, another call to this function should
2004  /// be made to write the rest of the data.
2005  virtual size_t PutSTDIN(const char *buf, size_t buf_size, Status &error) {
2006  error.SetErrorString("stdin unsupported");
2007  return 0;
2008  }
2009 
2010  /// Get any available profile data.
2011  ///
2012  /// \param[out] buf
2013  /// A buffer that will receive any profile data bytes that are
2014  /// currently available.
2015  ///
2016  /// \param[out] buf_size
2017  /// The size in bytes for the buffer \a buf.
2018  ///
2019  /// \return
2020  /// The number of bytes written into \a buf. If this value is
2021  /// equal to \a buf_size, another call to this function should
2022  /// be made to retrieve more profile data.
2023  virtual size_t GetAsyncProfileData(char *buf, size_t buf_size, Status &error);
2024 
2025  // Process Breakpoints
2027 
2029  Status error;
2030  error.SetErrorStringWithFormatv(
2031  "error: {0} does not support enabling breakpoints", GetPluginName());
2032  return error;
2033  }
2034 
2036  Status error;
2037  error.SetErrorStringWithFormatv(
2038  "error: {0} does not support disabling breakpoints", GetPluginName());
2039  return error;
2040  }
2041 
2042  // This is implemented completely using the lldb::Process API. Subclasses
2043  // don't need to implement this function unless the standard flow of read
2044  // existing opcode, write breakpoint opcode, verify breakpoint opcode doesn't
2045  // work for a specific process plug-in.
2047 
2048  // This is implemented completely using the lldb::Process API. Subclasses
2049  // don't need to implement this function unless the standard flow of
2050  // restoring original opcode in memory and verifying the restored opcode
2051  // doesn't work for a specific process plug-in.
2053 
2055 
2057 
2059 
2061 
2062  lldb::break_id_t CreateBreakpointSite(const lldb::BreakpointLocationSP &owner,
2063  bool use_hardware);
2064 
2066 
2068 
2069  // BreakpointLocations use RemoveOwnerFromBreakpointSite to remove themselves
2070  // from the owner's list of this breakpoint sites.
2072  lldb::user_id_t owner_loc_id,
2073  lldb::BreakpointSiteSP &bp_site_sp);
2074 
2075  // Process Watchpoints (optional)
2076  virtual Status EnableWatchpoint(Watchpoint *wp, bool notify = true);
2077 
2078  virtual Status DisableWatchpoint(Watchpoint *wp, bool notify = true);
2079 
2080  // Thread Queries
2081 
2082  /// Update the thread list.
2083  ///
2084  /// This method performs some general clean up before invoking
2085  /// \a DoUpdateThreadList, which should be implemented by each
2086  /// process plugin.
2087  ///
2088  /// \return
2089  /// \b true if the new thread list could be generated, \b false otherwise.
2090  bool UpdateThreadList(ThreadList &old_thread_list,
2091  ThreadList &new_thread_list);
2092 
2093  void UpdateThreadListIfNeeded();
2094 
2096 
2097  // When ExtendedBacktraces are requested, the HistoryThreads that are created
2098  // need an owner -- they're saved here in the Process. The threads in this
2099  // list are not iterated over - driver programs need to request the extended
2100  // backtrace calls starting from a root concrete thread one by one.
2102 
2104 
2105  uint32_t GetNextThreadIndexID(uint64_t thread_id);
2106 
2107  lldb::ThreadSP CreateOSPluginThread(lldb::tid_t tid, lldb::addr_t context);
2108 
2109  // Returns true if an index id has been assigned to a thread.
2110  bool HasAssignedIndexIDToThread(uint64_t sb_thread_id);
2111 
2112  // Given a thread_id, it will assign a more reasonable index id for display
2113  // to the user. If the thread_id has previously been assigned, the same index
2114  // id will be used.
2115  uint32_t AssignIndexIDToThread(uint64_t thread_id);
2116 
2117  // Queue Queries
2118 
2119  virtual void UpdateQueueListIfNeeded();
2120 
2123  return m_queue_list;
2124  }
2125 
2128  return m_queue_list.Queues();
2129  }
2130 
2131  // Event Handling
2132  lldb::StateType GetNextEvent(lldb::EventSP &event_sp);
2133 
2134  // Returns the process state when it is stopped. If specified, event_sp_ptr
2135  // is set to the event which triggered the stop. If wait_always = false, and
2136  // the process is already stopped, this function returns immediately. If the
2137  // process is hijacked and use_run_lock is true (the default), then this
2138  // function releases the run lock after the stop. Setting use_run_lock to
2139  // false will avoid this behavior.
2142  lldb::EventSP *event_sp_ptr = nullptr,
2143  bool wait_always = true,
2144  lldb::ListenerSP hijack_listener = lldb::ListenerSP(),
2145  Stream *stream = nullptr, bool use_run_lock = true);
2146 
2148 
2149  /// Waits for the process state to be running within a given msec timeout.
2150  ///
2151  /// The main purpose of this is to implement an interlock waiting for
2152  /// HandlePrivateEvent to push an IOHandler.
2153  ///
2154  /// \param[in] timeout
2155  /// The maximum time length to wait for the process to transition to the
2156  /// eStateRunning state.
2157  void SyncIOHandler(uint32_t iohandler_id, const Timeout<std::micro> &timeout);
2158 
2160  lldb::EventSP &event_sp, const Timeout<std::micro> &timeout,
2161  lldb::ListenerSP
2162  hijack_listener); // Pass an empty ListenerSP to use builtin listener
2163 
2164  /// Centralize the code that handles and prints descriptions for process
2165  /// state changes.
2166  ///
2167  /// \param[in] event_sp
2168  /// The process state changed event
2169  ///
2170  /// \param[in] stream
2171  /// The output stream to get the state change description
2172  ///
2173  /// \param[in,out] pop_process_io_handler
2174  /// If this value comes in set to \b true, then pop the Process IOHandler
2175  /// if needed.
2176  /// Else this variable will be set to \b true or \b false to indicate if
2177  /// the process
2178  /// needs to have its process IOHandler popped.
2179  ///
2180  /// \return
2181  /// \b true if the event describes a process state changed event, \b false
2182  /// otherwise.
2183  static bool HandleProcessStateChangedEvent(const lldb::EventSP &event_sp,
2184  Stream *stream,
2185  bool &pop_process_io_handler);
2186 
2188 
2190  public:
2191  ProcessEventHijacker(Process &process, lldb::ListenerSP listener_sp)
2192  : m_process(process) {
2193  m_process.HijackProcessEvents(std::move(listener_sp));
2194  }
2195 
2197 
2198  private:
2200  };
2201 
2202  friend class ProcessEventHijacker;
2203  friend class ProcessProperties;
2204  /// If you need to ensure that you and only you will hear about some public
2205  /// event, then make a new listener, set to listen to process events, and
2206  /// then call this with that listener. Then you will have to wait on that
2207  /// listener explicitly for events (rather than using the GetNextEvent &
2208  /// WaitFor* calls above. Be sure to call RestoreProcessEvents when you are
2209  /// done.
2210  ///
2211  /// \param[in] listener_sp
2212  /// This is the new listener to whom all process events will be delivered.
2213  ///
2214  /// \return
2215  /// Returns \b true if the new listener could be installed,
2216  /// \b false otherwise.
2217  bool HijackProcessEvents(lldb::ListenerSP listener_sp);
2218 
2219  /// Restores the process event broadcasting to its normal state.
2220  ///
2221  void RestoreProcessEvents();
2222 
2224 
2226 
2227  const lldb::ABISP &GetABI();
2228 
2230 
2231  std::vector<LanguageRuntime *> GetLanguageRuntimes();
2232 
2234 
2235  bool IsPossibleDynamicValue(ValueObject &in_value);
2236 
2237  bool IsRunning() const;
2238 
2240  return m_dynamic_checkers_up.get();
2241  }
2242 
2243  void SetDynamicCheckers(DynamicCheckerFunctions *dynamic_checkers);
2244 
2245 /// Prune ThreadPlanStacks for unreported threads.
2246 ///
2247 /// \param[in] tid
2248 /// The tid whose Plan Stack we are seeking to prune.
2249 ///
2250 /// \return
2251 /// \b true if the TID is found or \b false if not.
2253 
2254 /// Prune ThreadPlanStacks for all unreported threads.
2255 void PruneThreadPlans();
2256 
2257  /// Find the thread plan stack associated with thread with \a tid.
2258  ///
2259  /// \param[in] tid
2260  /// The tid whose Plan Stack we are seeking.
2261  ///
2262  /// \return
2263  /// Returns a ThreadPlan if the TID is found or nullptr if not.
2265 
2266  /// Dump the thread plans associated with thread with \a tid.
2267  ///
2268  /// \param[in,out] strm
2269  /// The stream to which to dump the output
2270  ///
2271  /// \param[in] tid
2272  /// The tid whose Plan Stack we are dumping
2273  ///
2274  /// \param[in] desc_level
2275  /// How much detail to dump
2276  ///
2277  /// \param[in] internal
2278  /// If \b true dump all plans, if false only user initiated plans
2279  ///
2280  /// \param[in] condense_trivial
2281  /// If true, only dump a header if the plan stack is just the base plan.
2282  ///
2283  /// \param[in] skip_unreported_plans
2284  /// If true, only dump a plan if it is currently backed by an
2285  /// lldb_private::Thread *.
2286  ///
2287  /// \return
2288  /// Returns \b true if TID was found, \b false otherwise
2289  bool DumpThreadPlansForTID(Stream &strm, lldb::tid_t tid,
2290  lldb::DescriptionLevel desc_level, bool internal,
2291  bool condense_trivial, bool skip_unreported_plans);
2292 
2293  /// Dump all the thread plans for this process.
2294  ///
2295  /// \param[in,out] strm
2296  /// The stream to which to dump the output
2297  ///
2298  /// \param[in] desc_level
2299  /// How much detail to dump
2300  ///
2301  /// \param[in] internal
2302  /// If \b true dump all plans, if false only user initiated plans
2303  ///
2304  /// \param[in] condense_trivial
2305  /// If true, only dump a header if the plan stack is just the base plan.
2306  ///
2307  /// \param[in] skip_unreported_plans
2308  /// If true, skip printing all thread plan stacks that don't currently
2309  /// have a backing lldb_private::Thread *.
2310  void DumpThreadPlans(Stream &strm, lldb::DescriptionLevel desc_level,
2311  bool internal, bool condense_trivial,
2312  bool skip_unreported_plans);
2313 
2314  /// Call this to set the lldb in the mode where it breaks on new thread
2315  /// creations, and then auto-restarts. This is useful when you are trying
2316  /// to run only one thread, but either that thread or the kernel is creating
2317  /// new threads in the process. If you stop when the thread is created, you
2318  /// can immediately suspend it, and keep executing only the one thread you
2319  /// intend.
2320  ///
2321  /// \return
2322  /// Returns \b true if we were able to start up the notification
2323  /// \b false otherwise.
2324  virtual bool StartNoticingNewThreads() { return true; }
2325 
2326  /// Call this to turn off the stop & notice new threads mode.
2327  ///
2328  /// \return
2329  /// Returns \b true if we were able to start up the notification
2330  /// \b false otherwise.
2331  virtual bool StopNoticingNewThreads() { return true; }
2332 
2333  void SetRunningUserExpression(bool on);
2334  void SetRunningUtilityFunction(bool on);
2335 
2336  // lldb::ExecutionContextScope pure virtual functions
2337  lldb::TargetSP CalculateTarget() override;
2338 
2339  lldb::ProcessSP CalculateProcess() override { return shared_from_this(); }
2340 
2341  lldb::ThreadSP CalculateThread() override { return lldb::ThreadSP(); }
2342 
2343  lldb::StackFrameSP CalculateStackFrame() override {
2344  return lldb::StackFrameSP();
2345  }
2346 
2347  void CalculateExecutionContext(ExecutionContext &exe_ctx) override;
2348 
2349  void SetSTDIOFileDescriptor(int file_descriptor);
2350 
2351  // Add a permanent region of memory that should never be read or written to.
2352  // This can be used to ensure that memory reads or writes to certain areas of
2353  // memory never end up being sent to the DoReadMemory or DoWriteMemory
2354  // functions which can improve performance.
2355  void AddInvalidMemoryRegion(const LoadRange &region);
2356 
2357  // Remove a permanent region of memory that should never be read or written
2358  // to that was previously added with AddInvalidMemoryRegion.
2359  bool RemoveInvalidMemoryRange(const LoadRange &region);
2360 
2361  // If the setup code of a thread plan needs to do work that might involve
2362  // calling a function in the target, it should not do that work directly in
2363  // one of the thread plan functions (DidPush/WillResume) because such work
2364  // needs to be handled carefully. Instead, put that work in a
2365  // PreResumeAction callback, and register it with the process. It will get
2366  // done before the actual "DoResume" gets called.
2367 
2368  typedef bool(PreResumeActionCallback)(void *);
2369 
2370  void AddPreResumeAction(PreResumeActionCallback callback, void *baton);
2371 
2372  bool RunPreResumeActions();
2373 
2374  void ClearPreResumeActions();
2375 
2376  void ClearPreResumeAction(PreResumeActionCallback callback, void *baton);
2377 
2379 
2381 
2382  virtual Status SendEventData(const char *data) {
2383  Status return_error("Sending an event is not supported for this process.");
2384  return return_error;
2385  }
2386 
2387  lldb::ThreadCollectionSP GetHistoryThreads(lldb::addr_t addr);
2388 
2389  lldb::InstrumentationRuntimeSP
2391 
2392  /// Try to fetch the module specification for a module with the given file
2393  /// name and architecture. Process sub-classes have to override this method
2394  /// if they support platforms where the Platform object can't get the module
2395  /// spec for all module.
2396  ///
2397  /// \param[in] module_file_spec
2398  /// The file name of the module to get specification for.
2399  ///
2400  /// \param[in] arch
2401  /// The architecture of the module to get specification for.
2402  ///
2403  /// \param[out] module_spec
2404  /// The fetched module specification if the return value is
2405  /// \b true, unchanged otherwise.
2406  ///
2407  /// \return
2408  /// Returns \b true if the module spec fetched successfully,
2409  /// \b false otherwise.
2410  virtual bool GetModuleSpec(const FileSpec &module_file_spec,
2411  const ArchSpec &arch, ModuleSpec &module_spec);
2412 
2413  virtual void PrefetchModuleSpecs(llvm::ArrayRef<FileSpec> module_file_specs,
2414  const llvm::Triple &triple) {}
2415 
2416  /// Try to find the load address of a file.
2417  /// The load address is defined as the address of the first memory region
2418  /// what contains data mapped from the specified file.
2419  ///
2420  /// \param[in] file
2421  /// The name of the file whose load address we are looking for
2422  ///
2423  /// \param[out] is_loaded
2424  /// \b True if the file is loaded into the memory and false
2425  /// otherwise.
2426  ///
2427  /// \param[out] load_addr
2428  /// The load address of the file if it is loaded into the
2429  /// processes address space, LLDB_INVALID_ADDRESS otherwise.
2430  virtual Status GetFileLoadAddress(const FileSpec &file, bool &is_loaded,
2431  lldb::addr_t &load_addr) {
2432  return Status("Not supported");
2433  }
2434 
2435  /// Fetch process defined metadata.
2436  ///
2437  /// \return
2438  /// A StructuredDataSP object which, if non-empty, will contain the
2439  /// information related to the process.
2440  virtual StructuredData::DictionarySP GetMetadata() { return nullptr; }
2441 
2442  size_t AddImageToken(lldb::addr_t image_ptr);
2443 
2444  lldb::addr_t GetImagePtrFromToken(size_t token) const;
2445 
2446  void ResetImageToken(size_t token);
2447 
2448  /// Find the next branch instruction to set a breakpoint on
2449  ///
2450  /// When instruction stepping through a source line, instead of stepping
2451  /// through each instruction, we can put a breakpoint on the next branch
2452  /// instruction (within the range of instructions we are stepping through)
2453  /// and continue the process to there, yielding significant performance
2454  /// benefits over instruction stepping.
2455  ///
2456  /// \param[in] default_stop_addr
2457  /// The address of the instruction where lldb would put a
2458  /// breakpoint normally.
2459  ///
2460  /// \param[in] range_bounds
2461  /// The range which the breakpoint must be contained within.
2462  /// Typically a source line.
2463  ///
2464  /// \return
2465  /// The address of the next branch instruction, or the end of
2466  /// the range provided in range_bounds. If there are any
2467  /// problems with the disassembly or getting the instructions,
2468  /// the original default_stop_addr will be returned.
2470  AddressRange range_bounds);
2471 
2472  /// Configure asynchronous structured data feature.
2473  ///
2474  /// Each Process type that supports using an asynchronous StructuredData
2475  /// feature should implement this to enable/disable/configure the feature.
2476  /// The default implementation here will always return an error indiciating
2477  /// the feature is unsupported.
2478  ///
2479  /// StructuredDataPlugin implementations will call this to configure a
2480  /// feature that has been reported as being supported.
2481  ///
2482  /// \param[in] type_name
2483  /// The StructuredData type name as previously discovered by
2484  /// the Process-derived instance.
2485  ///
2486  /// \param[in] config_sp
2487  /// Configuration data for the feature being enabled. This config
2488  /// data, which may be null, will be passed along to the feature
2489  /// to process. The feature will dictate whether this is a dictionary,
2490  /// an array or some other object. If the feature needs to be
2491  /// set up properly before it can be enabled, then the config should
2492  /// also take an enable/disable flag.
2493  ///
2494  /// \return
2495  /// Returns the result of attempting to configure the feature.
2496  virtual Status
2498  const StructuredData::ObjectSP &config_sp);
2499 
2500  /// Broadcasts the given structured data object from the given plugin.
2501  ///
2502  /// StructuredDataPlugin instances can use this to optionally broadcast any
2503  /// of their data if they want to make it available for clients. The data
2504  /// will come in on the structured data event bit
2505  /// (eBroadcastBitStructuredData).
2506  ///
2507  /// \param[in] object_sp
2508  /// The structured data object to broadcast.
2509  ///
2510  /// \param[in] plugin_sp
2511  /// The plugin that will be reported in the event's plugin
2512  /// parameter.
2513  void BroadcastStructuredData(const StructuredData::ObjectSP &object_sp,
2514  const lldb::StructuredDataPluginSP &plugin_sp);
2515 
2516  /// Returns the StructuredDataPlugin associated with a given type name, if
2517  /// there is one.
2518  ///
2519  /// There will only be a plugin for a given StructuredDataType if the
2520  /// debugged process monitor claims that the feature is supported. This is
2521  /// one way to tell whether a feature is available.
2522  ///
2523  /// \return
2524  /// The plugin if one is available for the specified feature;
2525  /// otherwise, returns an empty shared pointer.
2526  lldb::StructuredDataPluginSP
2527  GetStructuredDataPlugin(ConstString type_name) const;
2528 
2529 protected:
2530  friend class Trace;
2531 
2532  /// Construct with a shared pointer to a target, and the Process listener.
2533  /// Uses the Host UnixSignalsSP by default.
2534  Process(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp);
2535 
2536  /// Construct with a shared pointer to a target, the Process listener, and
2537  /// the appropriate UnixSignalsSP for the process.
2538  Process(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp,
2539  const lldb::UnixSignalsSP &unix_signals_sp);
2540 
2541  /// Get the processor tracing type supported for this process.
2542  /// Responses might be different depending on the architecture and
2543  /// capabilities of the underlying OS.
2544  ///
2545  /// \return
2546  /// The supported trace type or an \a llvm::Error if tracing is
2547  /// not supported for the inferior.
2548  virtual llvm::Expected<TraceSupportedResponse> TraceSupported();
2549 
2550  /// Start tracing a process or its threads.
2551  ///
2552  /// \param[in] request
2553  /// JSON object with the information necessary to start tracing. In the
2554  /// case of gdb-remote processes, this JSON object should conform to the
2555  /// jLLDBTraceStart packet.
2556  ///
2557  /// \return
2558  /// \a llvm::Error::success if the operation was successful, or
2559  /// \a llvm::Error otherwise.
2560  virtual llvm::Error TraceStart(const llvm::json::Value &request) {
2561  return llvm::make_error<UnimplementedError>();
2562  }
2563 
2564  /// Stop tracing a live process or its threads.
2565  ///
2566  /// \param[in] request
2567  /// The information determining which threads or process to stop tracing.
2568  ///
2569  /// \return
2570  /// \a llvm::Error::success if the operation was successful, or
2571  /// \a llvm::Error otherwise.
2572  virtual llvm::Error TraceStop(const TraceStopRequest &request) {
2573  return llvm::make_error<UnimplementedError>();
2574  }
2575 
2576  /// Get the current tracing state of the process and its threads.
2577  ///
2578  /// \param[in] type
2579  /// Tracing technology type to consider.
2580  ///
2581  /// \return
2582  /// A JSON object string with custom data depending on the trace
2583  /// technology, or an \a llvm::Error in case of errors.
2584  virtual llvm::Expected<std::string> TraceGetState(llvm::StringRef type) {
2585  return llvm::make_error<UnimplementedError>();
2586  }
2587 
2588  /// Get binary data given a trace technology and a data identifier.
2589  ///
2590  /// \param[in] request
2591  /// Object with the params of the requested data.
2592  ///
2593  /// \return
2594  /// A vector of bytes with the requested data, or an \a llvm::Error in
2595  /// case of failures.
2596  virtual llvm::Expected<std::vector<uint8_t>>
2598  return llvm::make_error<UnimplementedError>();
2599  }
2600 
2601  // This calls a function of the form "void * (*)(void)".
2602  bool CallVoidArgVoidPtrReturn(const Address *address,
2603  lldb::addr_t &returned_func,
2604  bool trap_exceptions = false);
2605 
2606  /// Update the thread list following process plug-in's specific logic.
2607  ///
2608  /// This method should only be invoked by \a UpdateThreadList.
2609  ///
2610  /// \return
2611  /// \b true if the new thread list could be generated, \b false otherwise.
2612  virtual bool DoUpdateThreadList(ThreadList &old_thread_list,
2613  ThreadList &new_thread_list) = 0;
2614 
2615  /// Actually do the reading of memory from a process.
2616  ///
2617  /// Subclasses must override this function and can return fewer bytes than
2618  /// requested when memory requests are too large. This class will break up
2619  /// the memory requests and keep advancing the arguments along as needed.
2620  ///
2621  /// \param[in] vm_addr
2622  /// A virtual load address that indicates where to start reading
2623  /// memory from.
2624  ///
2625  /// \param[in] size
2626  /// The number of bytes to read.
2627  ///
2628  /// \param[out] buf
2629  /// A byte buffer that is at least \a size bytes long that
2630  /// will receive the memory bytes.
2631  ///
2632  /// \param[out] error
2633  /// An error that indicates the success or failure of this
2634  /// operation. If error indicates success (error.Success()),
2635  /// then the value returned can be trusted, otherwise zero
2636  /// will be returned.
2637  ///
2638  /// \return
2639  /// The number of bytes that were actually read into \a buf.
2640  /// Zero is returned in the case of an error.
2641  virtual size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
2642  Status &error) = 0;
2643 
2644  /// DoGetMemoryRegionInfo is called by GetMemoryRegionInfo after it has
2645  /// removed non address bits from load_addr. Override this method in
2646  /// subclasses of Process.
2647  ///
2648  /// See GetMemoryRegionInfo for details of the logic.
2649  ///
2650  /// \param[in] load_addr
2651  /// The load address to query the range_info for. (non address bits
2652  /// removed)
2653  ///
2654  /// \param[out] range_info
2655  /// An range_info value containing the details of the range.
2656  ///
2657  /// \return
2658  /// An error value.
2660  MemoryRegionInfo &range_info) {
2661  return Status("Process::DoGetMemoryRegionInfo() not supported");
2662  }
2663 
2665 
2666  /// The "private" side of resuming a process. This doesn't alter the state
2667  /// of m_run_lock, but just causes the process to resume.
2668  ///
2669  /// \return
2670  /// An Status object describing the success or failure of the resume.
2672 
2673  // Called internally
2674  void CompleteAttach();
2675 
2676  // NextEventAction provides a way to register an action on the next event
2677  // that is delivered to this process. There is currently only one next event
2678  // action allowed in the process at one time. If a new "NextEventAction" is
2679  // added while one is already present, the old action will be discarded (with
2680  // HandleBeingUnshipped called after it is discarded.)
2681  //
2682  // If you want to resume the process as a result of a resume action, call
2683  // RequestResume, don't call Resume directly.
2685  public:
2690  };
2691 
2692  NextEventAction(Process *process) : m_process(process) {}
2693 
2694  virtual ~NextEventAction() = default;
2695 
2696  virtual EventActionResult PerformAction(lldb::EventSP &event_sp) = 0;
2697  virtual void HandleBeingUnshipped() {}
2699  virtual const char *GetExitString() = 0;
2701 
2702  protected:
2704  };
2705 
2708  m_next_event_action_up->HandleBeingUnshipped();
2709 
2710  m_next_event_action_up.reset(next_event_action);
2711  }
2712 
2713  // This is the completer for Attaching:
2715  public:
2716  AttachCompletionHandler(Process *process, uint32_t exec_count);
2717 
2718  ~AttachCompletionHandler() override = default;
2719 
2720  EventActionResult PerformAction(lldb::EventSP &event_sp) override;
2722  const char *GetExitString() override;
2723 
2724  private:
2727  };
2728 
2731  return state != lldb::eStateInvalid && state != lldb::eStateDetached &&
2733  }
2734 
2736 
2737  /// Loads any plugins associated with asynchronous structured data and maps
2738  /// the relevant supported type name to the plugin.
2739  ///
2740  /// Processes can receive asynchronous structured data from the process
2741  /// monitor. This method will load and map any structured data plugins that
2742  /// support the given set of supported type names. Later, if any of these
2743  /// features are enabled, the process monitor is free to generate
2744  /// asynchronous structured data. The data must come in as a single \b
2745  /// StructuredData::Dictionary. That dictionary must have a string field
2746  /// named 'type', with a value that equals the relevant type name string
2747  /// (one of the values in \b supported_type_names).
2748  ///
2749  /// \param[in] supported_type_names
2750  /// An array of zero or more type names. Each must be unique.
2751  /// For each entry in the list, a StructuredDataPlugin will be
2752  /// searched for that supports the structured data type name.
2754  const StructuredData::Array &supported_type_names);
2755 
2756  /// Route the incoming structured data dictionary to the right plugin.
2757  ///
2758  /// The incoming structured data must be a dictionary, and it must have a
2759  /// key named 'type' that stores a string value. The string value must be
2760  /// the name of the structured data feature that knows how to handle it.
2761  ///
2762  /// \param[in] object_sp
2763  /// When non-null and pointing to a dictionary, the 'type'
2764  /// key's string value is used to look up the plugin that
2765  /// was registered for that structured data type. It then
2766  /// calls the following method on the StructuredDataPlugin
2767  /// instance:
2768  ///
2769  /// virtual void
2770  /// HandleArrivalOfStructuredData(Process &process,
2771  /// ConstString type_name,
2772  /// const StructuredData::ObjectSP
2773  /// &object_sp)
2774  ///
2775  /// \return
2776  /// True if the structured data was routed to a plugin; otherwise,
2777  /// false.
2778  bool RouteAsyncStructuredData(const StructuredData::ObjectSP object_sp);
2779 
2780  /// Check whether the process supports memory tagging.
2781  ///
2782  /// \return
2783  /// true if the process supports memory tagging,
2784  /// false otherwise.
2785  virtual bool SupportsMemoryTagging() { return false; }
2786 
2787  /// Does the final operation to read memory tags. E.g. sending a GDB packet.
2788  /// It assumes that ReadMemoryTags has checked that memory tagging is enabled
2789  /// and has expanded the memory range as needed.
2790  ///
2791  /// \param[in] addr
2792  /// Start of address range to read memory tags for.
2793  ///
2794  /// \param[in] len
2795  /// Length of the memory range to read tags for (in bytes).
2796  ///
2797  /// \param[in] type
2798  /// Type of tags to read (get this from a MemoryTagManager)
2799  ///
2800  /// \return
2801  /// The packed tag data received from the remote or an error
2802  /// if the read failed.
2803  virtual llvm::Expected<std::vector<uint8_t>>
2804  DoReadMemoryTags(lldb::addr_t addr, size_t len, int32_t type) {
2805  return llvm::createStringError(
2806  llvm::inconvertibleErrorCode(),
2807  llvm::formatv("{0} does not support reading memory tags",
2808  GetPluginName()));
2809  }
2810 
2811  /// Does the final operation to write memory tags. E.g. sending a GDB packet.
2812  /// It assumes that WriteMemoryTags has checked that memory tagging is enabled
2813  /// and has packed the tag data.
2814  ///
2815  /// \param[in] addr
2816  /// Start of address range to write memory tags for.
2817  ///
2818  /// \param[in] len
2819  /// Length of the memory range to write tags for (in bytes).
2820  ///
2821  /// \param[in] type
2822  /// Type of tags to read (get this from a MemoryTagManager)
2823  ///
2824  /// \param[in] tags
2825  /// Packed tags to be written.
2826  ///
2827  /// \return
2828  /// Status telling you whether the write succeeded.
2829  virtual Status DoWriteMemoryTags(lldb::addr_t addr, size_t len, int32_t type,
2830  const std::vector<uint8_t> &tags) {
2831  Status status;
2832  status.SetErrorStringWithFormatv("{0} does not support writing memory tags",
2833  GetPluginName());
2834  return status;
2835  }
2836 
2837  // Type definitions
2838  typedef std::map<lldb::LanguageType, lldb::LanguageRuntimeSP>
2840 
2842  bool (*callback)(void *);
2843  void *baton;
2845  void *in_baton)
2846  : callback(in_callback), baton(in_baton) {}
2848  return callback == rhs.callback && baton == rhs.baton;
2849  }
2850  };
2851 
2852  using StructuredDataPluginMap =
2853  std::map<ConstString, lldb::StructuredDataPluginSP>;
2854 
2855  // Member variables
2856  std::weak_ptr<Target> m_target_wp; ///< The target that owns this process.
2860  m_private_state; // The actual state of our process
2861  Broadcaster m_private_state_broadcaster; // This broadcaster feeds state
2862  // changed events into the private
2863  // state thread's listener.
2865  // broadcaster, used to
2866  // pause, resume & stop the
2867  // private state thread.
2868  lldb::ListenerSP m_private_state_listener_sp; // This is the listener for the
2869  // private state thread.
2870  HostThread m_private_state_thread; ///< Thread ID for the thread that watches
2871  ///internal state events
2872  ProcessModID m_mod_id; ///< Tracks the state of the process over stops and
2873  ///other alterations.
2874  uint32_t m_process_unique_id; ///< Each lldb_private::Process class that is
2875  ///created gets a unique integer ID that
2876  ///increments with each new instance
2877  uint32_t m_thread_index_id; ///< Each thread is created with a 1 based index
2878  ///that won't get re-used.
2879  std::map<uint64_t, uint32_t> m_thread_id_to_index_id_map;
2880  int m_exit_status; ///< The exit status of the process, or -1 if not set.
2881  std::string m_exit_string; ///< A textual description of why a process exited.
2882  std::mutex m_exit_status_mutex; ///< Mutex so m_exit_status m_exit_string can
2883  ///be safely accessed from multiple threads
2884  std::recursive_mutex m_thread_mutex;
2885  ThreadList m_thread_list_real; ///< The threads for this process as are known
2886  ///to the protocol we are debugging with
2887  ThreadList m_thread_list; ///< The threads for this process as the user will
2888  ///see them. This is usually the same as
2889  ///< m_thread_list_real, but might be different if there is an OS plug-in
2890  ///creating memory threads
2891  ThreadPlanStackMap m_thread_plans; ///< This is the list of thread plans for
2892  /// threads in m_thread_list, as well as
2893  /// threads we knew existed, but haven't
2894  /// determined that they have died yet.
2895  ThreadList m_extended_thread_list; ///< Owner for extended threads that may be
2896  ///generated, cleared on natural stops
2897  uint32_t m_extended_thread_stop_id; ///< The natural stop id when
2898  ///extended_thread_list was last updated
2899  QueueList
2900  m_queue_list; ///< The list of libdispatch queues at a given stop point
2901  uint32_t m_queue_list_stop_id; ///< The natural stop id when queue list was
2902  ///last fetched
2903  std::vector<Notifications> m_notifications; ///< The list of notifications
2904  ///that this process can deliver.
2905  std::vector<lldb::addr_t> m_image_tokens;
2906  lldb::ListenerSP m_listener_sp; ///< Shared pointer to the listener used for
2907  ///public events. Can not be empty.
2908  BreakpointSiteList m_breakpoint_site_list; ///< This is the list of breakpoint
2909  ///locations we intend to insert in
2910  ///the target.
2911  lldb::DynamicLoaderUP m_dyld_up;
2912  lldb::JITLoaderListUP m_jit_loaders_up;
2913  lldb::DynamicCheckerFunctionsUP m_dynamic_checkers_up; ///< The functions used
2914  /// by the expression
2915  /// parser to validate
2916  /// data that
2917  /// expressions use.
2918  lldb::OperatingSystemUP m_os_up;
2919  lldb::SystemRuntimeUP m_system_runtime_up;
2920  lldb::UnixSignalsSP
2921  m_unix_signals_sp; /// This is the current signal set for this process.
2922  lldb::ABISP m_abi_sp;
2923  lldb::IOHandlerSP m_process_input_reader;
2925  std::recursive_mutex m_stdio_communication_mutex;
2926  bool m_stdin_forward; /// Remember if stdin must be forwarded to remote debug
2927  /// server
2930  std::recursive_mutex m_profile_data_comm_mutex;
2931  std::vector<std::string> m_profile_data;
2935  bool m_should_detach; /// Should we detach if the process object goes away
2936  /// with an explicit call to Kill or Detach?
2938  std::recursive_mutex m_language_runtimes_mutex;
2940  std::unique_ptr<NextEventAction> m_next_event_action_up;
2941  std::vector<PreResumeCallbackAndBaton> m_pre_resume_actions;
2945  bool m_resume_requested; // If m_currently_handling_event or
2946  // m_currently_handling_do_on_removals are true,
2947  // Resume will only request a resume, using this
2948  // flag to check.
2949 
2950  /// This is set at the beginning of Process::Finalize() to stop functions
2951  /// from looking up or creating things during or after a finalize call.
2952  std::atomic<bool> m_finalizing;
2953 
2954  /// Mask for code an data addresses. The default value (0) means no mask is
2955  /// set. The bits set to 1 indicate bits that are NOT significant for
2956  /// addressing.
2957  /// @{
2960  /// @}
2961 
2964  lldb::StateType m_last_broadcast_state; /// This helps with the Public event
2965  /// coalescing in
2966  /// ShouldBroadcastEvent.
2967  std::map<lldb::addr_t, lldb::addr_t> m_resolved_indirect_addresses;
2969  bool m_can_interpret_function_calls; // Some targets, e.g the OSX kernel,
2970  // don't support the ability to modify
2971  // the stack.
2974 
2976 
2977  std::unique_ptr<UtilityFunction> m_dlopen_utility_func_up;
2979 
2980  size_t RemoveBreakpointOpcodesFromBuffer(lldb::addr_t addr, size_t size,
2981  uint8_t *buf) const;
2982 
2984 
2985  void SetPublicState(lldb::StateType new_state, bool restarted);
2986 
2987  void SetPrivateState(lldb::StateType state);
2988 
2989  bool StartPrivateStateThread(bool is_secondary_thread = false);
2990 
2991  void StopPrivateStateThread();
2992 
2993  void PausePrivateStateThread();
2994 
2995  void ResumePrivateStateThread();
2996 
2997 private:
2998  // The starts up the private state thread that will watch for events from the
2999  // debugee. Pass true for is_secondary_thread in the case where you have to
3000  // temporarily spin up a secondary state thread to handle events from a hand-
3001  // called function on the primary private state thread.
3002 
3003  lldb::thread_result_t RunPrivateStateThread(bool is_secondary_thread);
3004 
3005 protected:
3006  void HandlePrivateEvent(lldb::EventSP &event_sp);
3007 
3008  Status HaltPrivate();
3009 
3010  lldb::StateType WaitForProcessStopPrivate(lldb::EventSP &event_sp,
3011  const Timeout<std::micro> &timeout);
3012 
3013  // This waits for both the state change broadcaster, and the control
3014  // broadcaster. If control_only, it only waits for the control broadcaster.
3015 
3016  bool GetEventsPrivate(lldb::EventSP &event_sp,
3017  const Timeout<std::micro> &timeout, bool control_only);
3018 
3020  GetStateChangedEventsPrivate(lldb::EventSP &event_sp,
3021  const Timeout<std::micro> &timeout);
3022 
3023  size_t WriteMemoryPrivate(lldb::addr_t addr, const void *buf, size_t size,
3024  Status &error);
3025 
3026  void AppendSTDOUT(const char *s, size_t len);
3027 
3028  void AppendSTDERR(const char *s, size_t len);
3029 
3030  void BroadcastAsyncProfileData(const std::string &one_profile_data);
3031 
3032  static void STDIOReadThreadBytesReceived(void *baton, const void *src,
3033  size_t src_len);
3034 
3035  bool PushProcessIOHandler();
3036 
3037  bool PopProcessIOHandler();
3038 
3039  bool ProcessIOHandlerIsActive();
3040 
3041  bool ProcessIOHandlerExists() const {
3042  return static_cast<bool>(m_process_input_reader);
3043  }
3044 
3045  Status StopForDestroyOrDetach(lldb::EventSP &exit_event_sp);
3046 
3048 
3049  void LoadOperatingSystemPlugin(bool flush);
3050 
3051 private:
3052  Status DestroyImpl(bool force_kill);
3053 
3054  /// This is the part of the event handling that for a process event. It
3055  /// decides what to do with the event and returns true if the event needs to
3056  /// be propagated to the user, and false otherwise. If the event is not
3057  /// propagated, this call will most likely set the target to executing
3058  /// again. There is only one place where this call should be called,
3059  /// HandlePrivateEvent. Don't call it from anywhere else...
3060  ///
3061  /// \param[in] event_ptr
3062  /// This is the event we are handling.
3063  ///
3064  /// \return
3065  /// Returns \b true if the event should be reported to the
3066  /// user, \b false otherwise.
3067  bool ShouldBroadcastEvent(Event *event_ptr);
3068 
3069  void ControlPrivateStateThread(uint32_t signal);
3070 
3072  lldb::EventSP &event_sp);
3073 
3074  Process(const Process &) = delete;
3075  const Process &operator=(const Process &) = delete;
3076 };
3077 
3078 /// RAII guard that should be acquired when an utility function is called within
3079 /// a given process.
3082 
3083 public:
3085  if (m_process)
3087  }
3089  if (m_process)
3091  }
3092 };
3093 
3094 } // namespace lldb_private
3095 
3096 #endif // LLDB_TARGET_PROCESS_H
lldb_private::Process::ProcessEventData::m_interrupted
bool m_interrupted
Definition: Process.h:472
lldb_private::ProcessAttachInfo::SetDetachOnError
void SetDetachOnError(bool enable)
Definition: Process.h:184
lldb_private::Process::MapSupportedStructuredDataPlugins
void MapSupportedStructuredDataPlugins(const StructuredData::Array &supported_type_names)
Loads any plugins associated with asynchronous structured data and maps the relevant supported type n...
Definition: Process.cpp:5929
lldb_private::Process::IsValid
bool IsValid() const
Return whether this object is valid (i.e.
Definition: Process.h:558
lldb_private::Process::LoadModules
virtual llvm::Error LoadModules()
Sometimes processes know how to retrieve and load shared libraries.
Definition: Process.h:662
lldb_private::Process::AttachCompletionHandler::GetExitString
const char * GetExitString() override
Definition: Process.cpp:2756
lldb_private::Process::m_can_jit
enum lldb_private::Process::@32 m_can_jit
lldb_private::ProcessModID::ProcessModID
ProcessModID()=default
lldb_private::ProcessModID::m_memory_id
uint32_t m_memory_id
Definition: Process.h:318
lldb_private::ProcessInstanceInfo
Definition: ProcessInfo.h:106
lldb_private::ProcessProperties::GetInterruptTimeout
std::chrono::seconds GetInterruptTimeout() const
Definition: Process.cpp:316
lldb_private::Process::StopLocker
ProcessRunLock::ProcessRunLocker StopLocker
Definition: Process.h:375
lldb_private::ProcessLaunchInfo::GetDetachOnError
bool GetDetachOnError() const
Definition: ProcessLaunchInfo.h:143
lldb_private::Process::operator=
const Process & operator=(const Process &)=delete
lldb_private::Process::m_process_unique_id
uint32_t m_process_unique_id
Each lldb_private::Process class that is created gets a unique integer ID that increments with each n...
Definition: Process.h:2874
lldb_private::UtilityFunctionScope::~UtilityFunctionScope
~UtilityFunctionScope()
Definition: Process.h:3088
lldb_private::Process::PrintWarningOptimization
void PrintWarningOptimization(const SymbolContext &sc)
Print a user-visible warning about a module being built with optimization.
Definition: Process.cpp:5746
lldb_private::Process::StartPrivateStateThread
bool StartPrivateStateThread(bool is_secondary_thread=false)
Definition: Process.cpp:3525
lldb_private::ProcessProperties::GetDisableMemoryCache
bool GetDisableMemoryCache() const
Definition: Process.cpp:191
lldb_private::Process::ProcessEventData::m_restarted_reasons
std::vector< std::string > m_restarted_reasons
Definition: Process.h:468
lldb_private::ExecutionContext
Definition: ExecutionContext.h:292
lldb_private::Process::m_can_interpret_function_calls
bool m_can_interpret_function_calls
Definition: Process.h:2969
lldb_private::Process::m_profile_data
std::vector< std::string > m_profile_data
Definition: Process.h:2931
lldb_private::ProcessProperties::SetOSPluginReportsAllThreads
void SetOSPluginReportsAllThreads(bool does_report)
Definition: Process.cpp:342
lldb_private::Process::m_public_state
ThreadSafeValue< lldb::StateType > m_public_state
Definition: Process.h:2858
lldb_private::Process::m_target_wp
std::weak_ptr< Target > m_target_wp
The target that owns this process.
Definition: Process.h:2856
lldb_private::ProcessModID::GetStopID
uint32_t GetStopID() const
Definition: Process.h:257
lldb_private::Process::GetShouldDetach
bool GetShouldDetach() const
Definition: Process.h:724
lldb_private::Process::GetThreadStatus
size_t GetThreadStatus(Stream &ostrm, bool only_threads_with_stop_reason, uint32_t start_frame, uint32_t num_frames, uint32_t num_frames_with_source, bool stop_format)
Definition: Process.cpp:5521
lldb_private::Process::AllocateMemory
lldb::addr_t AllocateMemory(size_t size, uint32_t permissions, Status &error)
The public interface to allocating memory in the process.
Definition: Process.cpp:2267
lldb_private::ArchSpec
Definition: ArchSpec.h:32
lldb_private::ProcessModID::SetStopEventForLastNaturalStopID
void SetStopEventForLastNaturalStopID(lldb::EventSP event_sp)
Definition: Process.h:304
lldb_private::ThreadSafeValue::GetValue
T GetValue() const
Definition: ThreadSafeValue.h:25
lldb_private::Process::GetOperatingSystem
OperatingSystem * GetOperatingSystem()
Definition: Process.h:2229
lldb_private::Process::NextEventAction::eEventActionRetry
@ eEventActionRetry
Definition: Process.h:2688
lldb_private::Process::DeallocateMemory
Status DeallocateMemory(lldb::addr_t ptr)
The public interface to deallocating memory in the process.
Definition: Process.cpp:2338
lldb_private::Process::GetStatus
void GetStatus(Stream &ostrm)
Definition: Process.cpp:5501
lldb_private::Process::m_should_detach
bool m_should_detach
Definition: Process.h:2935
lldb_private::Process::m_allocated_memory_cache
AllocatedMemoryCache m_allocated_memory_cache
Definition: Process.h:2934
lldb_private::Process::DidAttach
virtual void DidAttach(ArchSpec &process_arch)
Called after attaching a process.
Definition: Process.h:984
lldb_private::ProcessProperties::GetWarningsOptimization
bool GetWarningsOptimization() const
Definition: Process.cpp:291
lldb_private::Process::RefreshStateAfterStop
virtual void RefreshStateAfterStop()=0
Currently called as part of ShouldStop.
lldb_private::ProcessProperties::ProcessProperties
ProcessProperties(lldb_private::Process *process)
Definition: Process.cpp:160
lldb_private::Process::m_thread_list
ThreadList m_thread_list
The threads for this process as the user will see them.
Definition: Process.h:2887
lldb_private::Process::DestroyRequiresHalt
virtual bool DestroyRequiresHalt()
Definition: Process.h:1178
lldb_private::ProcessModID::SetInvalid
void SetInvalid()
Definition: Process.h:273
lldb_private::ProcessAttachInfo::SetResumeCount
void SetResumeCount(uint32_t c)
Definition: Process.h:147
lldb_private::Process::m_stdin_forward
bool m_stdin_forward
Definition: Process.h:2926
lldb_private::ProcessModID::IsValid
bool IsValid() const
Definition: Process.h:275
lldb_private::TraceGetBinaryDataRequest
jLLDBTraceGetBinaryData gdb-remote packet
Definition: TraceGDBRemotePackets.h:149
lldb_private::Process::PrivateStateThreadIsValid
bool PrivateStateThreadIsValid() const
Definition: Process.h:2729
lldb_private::Process::StopForDestroyOrDetach
Status StopForDestroyOrDetach(lldb::EventSP &exit_event_sp)
Definition: Process.cpp:3160
lldb_private::Event
Definition: Event.h:182
lldb_private::Process::ReadMemory
virtual size_t ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, Status &error)
Read of memory from a process.
Definition: Process.cpp:1926
lldb_private::QueueList::Queues
QueueIterable Queues()
Iterate over the list of queues.
Definition: QueueList.h:60
lldb_private::Process::SendAsyncInterrupt
void SendAsyncInterrupt()
Definition: Process.cpp:3645
lldb_private::Process::Process
Process(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp)
Construct with a shared pointer to a target, and the Process listener.
LLDB_INVALID_PROCESS_ID
#define LLDB_INVALID_PROCESS_ID
Definition: lldb-defines.h:81
lldb_private::Process::GetResumeID
uint32_t GetResumeID() const
Definition: Process.h:1389
lldb_private::Process::RemoveBreakpointOpcodesFromBuffer
size_t RemoveBreakpointOpcodesFromBuffer(lldb::addr_t addr, size_t size, uint8_t *buf) const
Definition: Process.cpp:1719
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Definition: JITLoaderList.h:22
lldb_private::Process::m_memory_cache
MemoryCache m_memory_cache
Definition: Process.h:2933
lldb_private::Process::ProcessEventData::GetInterruptedFromEvent
static bool GetInterruptedFromEvent(const Event *event_ptr)
Definition: Process.cpp:4184
lldb_private::ProcessAttachInfo::m_resume_count
uint32_t m_resume_count
Definition: Process.h:199
lldb_private::Process::ProcessEventData::SetInterrupted
void SetInterrupted(bool new_value)
Definition: Process.h:460
lldb_private::Process::ReadScalarIntegerFromMemory
size_t ReadScalarIntegerFromMemory(lldb::addr_t addr, uint32_t byte_size, bool is_signed, Scalar &scalar, Status &error)
Definition: Process.cpp:2225
lldb_private::Process::ProcessEventData::GetStateFromEvent
static lldb::StateType GetStateFromEvent(const Event *event_ptr)
Definition: Process.cpp:4131
lldb_private::Process::DidVForkDone
virtual void DidVForkDone()
Called after reported vfork completion.
Definition: Process.h:1005
lldb_private::ProcessInstanceInfo::Clear
void Clear()
Definition: ProcessInfo.h:114
lldb_private::Process::ProcessIOHandlerExists
bool ProcessIOHandlerExists() const
Definition: Process.h:3041
lldb_private::StructuredData::Array
Definition: StructuredData.h:171
lldb_private::Process::SetRunningUserExpression
void SetRunningUserExpression(bool on)
Definition: Process.cpp:1477
lldb_private::HostThread
Definition: HostThread.h:29
lldb_private::ProcessAttachInfo::GetContinueOnceAttached
bool GetContinueOnceAttached() const
Definition: Process.h:141
lldb_private::Process::Notifications
A notification structure that can be used by clients to listen for changes in a process's lifetime.
Definition: Process.h:390
lldb_private::ProcessProperties::GetPythonOSPluginPath
FileSpec GetPythonOSPluginPath() const
Definition: Process.cpp:215
lldb_private::Process::GetJITLoaders
virtual JITLoaderList & GetJITLoaders()
Definition: Process.cpp:2670
lldb_private::Process::eBroadcastInternalStateControlResume
@ eBroadcastInternalStateControlResume
Definition: Process.h:365
StructuredData.h
lldb_private::Process::m_finalizing
std::atomic< bool > m_finalizing
This is set at the beginning of Process::Finalize() to stop functions from looking up or creating thi...
Definition: Process.h:2952
lldb_private::Process::GetBroadcasterClass
ConstString & GetBroadcasterClass() const override
This needs to be filled in if you are going to register the broadcaster with the broadcaster manager ...
Definition: Process.h:381
lldb_private::Process::GetEventsPrivate
bool GetEventsPrivate(lldb::EventSP &event_sp, const Timeout< std::micro > &timeout, bool control_only)
Definition: Process.cpp:1019
lldb_private::Process::DidSignal
virtual void DidSignal()
Called after sending a signal to a process.
Definition: Process.h:1184
lldb_private::UtilityFunctionScope::m_process
Process * m_process
Definition: Process.h:3081
lldb_private::Process::GetSystemArchitecture
virtual ArchSpec GetSystemArchitecture()
Get the system architecture for this process.
Definition: Process.h:690
lldb_private::Process::DoAllocateMemory
virtual lldb::addr_t DoAllocateMemory(size_t size, uint32_t permissions, Status &error)
Actually allocate memory in the process.
Definition: Process.h:1655
lldb_private::Predicate< uint32_t >
lldb_private::Process::m_private_state
ThreadSafeValue< lldb::StateType > m_private_state
Definition: Process.h:2860
lldb_private::Process::WillAttachToProcessWithName
Status WillAttachToProcessWithName(const char *process_name, bool wait_for_launch)
Called before attaching to a process.
Definition: Process.cpp:2775
lldb_private::Process::m_force_next_event_delivery
bool m_force_next_event_delivery
Definition: Process.h:2963
lldb_private::Process::m_extended_thread_stop_id
uint32_t m_extended_thread_stop_id
The natural stop id when extended_thread_list was last updated.
Definition: Process.h:2897
lldb_private::Process::GetExitDescription
const char * GetExitDescription()
Get a textual description of what the process exited.
Definition: Process.cpp:1044
lldb_private::ProcessModID::MemoryIDEqual
bool MemoryIDEqual(const ProcessModID &compare) const
Definition: Process.h:265
lldb_private::Process::GetPrivateState
lldb::StateType GetPrivateState()
Definition: Process.cpp:1415
lldb_private::Process::DoWriteMemoryTags
virtual Status DoWriteMemoryTags(lldb::addr_t addr, size_t len, int32_t type, const std::vector< uint8_t > &tags)
Does the final operation to write memory tags.
Definition: Process.h:2829
InstrumentationRuntime.h
lldb_private::Process::GetLastNaturalStopID
uint32_t GetLastNaturalStopID() const
Definition: Process.h:1395
lldb_private::Process::PrivateResume
Status PrivateResume()
The "private" side of resuming a process.
Definition: Process.cpp:3063
lldb::ExpressionResults
ExpressionResults
The results of expression evaluation.
Definition: lldb-enumerations.h:271
lldb_private::PluginInterface
Definition: PluginInterface.h:16
lldb_private::Process::m_iohandler_sync
Predicate< uint32_t > m_iohandler_sync
Definition: Process.h:2932
lldb_private::ProcessProperties::~ProcessProperties
~ProcessProperties() override
lldb_private::Process::EnableSoftwareBreakpoint
virtual Status EnableSoftwareBreakpoint(BreakpointSite *bp_site)
Definition: Process.cpp:1756
lldb_private::Process::ModulesDidLoad
virtual void ModulesDidLoad(ModuleList &module_list)
Definition: Process.cpp:5712
lldb_private::Process::PruneThreadPlans
void PruneThreadPlans()
Prune ThreadPlanStacks for all unreported threads.
Definition: Process.cpp:1235
lldb_private::Process::DumpThreadPlansForTID
bool DumpThreadPlansForTID(Stream &strm, lldb::tid_t tid, lldb::DescriptionLevel desc_level, bool internal, bool condense_trivial, bool skip_unreported_plans)
Dump the thread plans associated with thread with tid.
Definition: Process.cpp:1239
lldb_private::ProcessProperties::GetOSPluginReportsAllThreads
bool GetOSPluginReportsAllThreads() const
Definition: Process.cpp:329
ProcessLaunchInfo.h
lldb_private::Process::NextEventAction::eEventActionExit
@ eEventActionExit
Definition: Process.h:2689
lldb_private::Process::GetQueueList
QueueList & GetQueueList()
Definition: Process.h:2121
lldb_private::ProcessProperties::m_experimental_properties_up
std::unique_ptr< ProcessExperimentalProperties > m_experimental_properties_up
Definition: Process.h:106
lldb_private::Process::ProcessEventHijacker::ProcessEventHijacker
ProcessEventHijacker(Process &process, lldb::ListenerSP listener_sp)
Definition: Process.h:2191
lldb_private::Process::RemoveInvalidMemoryRange
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Definition: Process.cpp:5571
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Definition: Process.h:2964
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Definition: Process.h:1385
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Locate the memory region that contains load_addr.
Definition: Process.cpp:5877
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Definition: Process.h:228
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Check if a plug-in instance can debug the file in module.
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Definition: Process.cpp:2767
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Definition: Process.h:1082
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Definition: Process.h:338
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Definition: Process.h:670
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Definition: Process.h:2700
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Definition: Event.h:36
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Definition: Process.h:2900
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Definition: Process.h:946
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Definition: Process.cpp:5884
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Definition: Process.h:1219
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Definition: Process.h:2937
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Definition: Process.cpp:3031
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Call this to turn off the stop & notice new threads mode.
Definition: Process.h:2331
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Definition: Process.cpp:1282
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Definition: Process.cpp:263
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Programming language type.
Definition: lldb-enumerations.h:443
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Sets whether executing function calls using the interpreter is possible for this process.
Definition: Process.h:1886
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Definition: Process.h:187
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Definition: Process.h:2929
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Definition: Module.h:87
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Definition: Process.cpp:2078
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Definition: SystemRuntime.h:43
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Definition: Process.cpp:6033
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Definition: ProcessInfo.h:66
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Definition: Process.h:1399
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Definition: Process.cpp:246
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Definition: Process.cpp:5595
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Get the Modification ID of the process.
Definition: Process.h:1383
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Definition: Process.h:2923
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lldb_private::Process::DoDetach
virtual Status DoDetach(bool keep_stopped)
Detaches from a running or stopped process.
Definition: Process.h:1133
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@ eBroadcastBitSTDERR
Definition: Process.h:357
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Definition: MemoryRegionInfo.h:21
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Attach to a remote system via a URL.
Definition: Process.h:926
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Subclasses of Process should implement this function if they need to do anything after a process exec...
Definition: Process.h:996
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Definition: Process.h:2841
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Definition: Process.h:2882
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Definition: Status.h:178
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Does the final operation to read memory tags.
Definition: Process.h:2804
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virtual bool IsAlive()
Check if a process is still alive.
Definition: Process.cpp:1086
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lldb::DynamicCheckerFunctionsUP m_dynamic_checkers_up
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Definition: Process.h:2913
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virtual ~NextEventAction()=default
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virtual Status DoHalt(bool &caused_stop)
Halts a running process.
Definition: Process.h:1107
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Definition: Process.h:2597
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Definition: Process.cpp:4246
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Definition: Process.cpp:3905
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Definition: Process.h:2868
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Definition: Process.cpp:280
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Definition: Stream.h:28
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void SetID(lldb::pid_t new_pid)
Sets the stored pid.
Definition: Process.h:531
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Definition: Process.cpp:1992
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Definition: Args.h:33
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Status Halt(bool clear_thread_plans=false, bool use_run_lock=true)
Halts a running process.
Definition: Process.cpp:3119
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Definition: lldb-types.h:83
lldb_private::Process::ProcessEventData::~ProcessEventData
~ProcessEventData() override
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Definition: Process.h:2921
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Definition: Process.cpp:5605
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bool UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list)
Update the thread list.
Definition: Process.cpp:1134
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Find the thread plan stack associated with thread with tid.
Definition: Process.cpp:1227
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void SetPrivateState(lldb::StateType state)
Definition: Process.cpp:1417
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Definition: Process.cpp:252
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Definition: Process.h:208
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Definition: Process.h:189
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Definition: Process.h:462
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Write memory to a process.
Definition: Process.cpp:2125
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Definition: Process.cpp:4531
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Definition: Process.h:2977
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Definition: Process.h:143
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virtual StructuredData::DictionarySP GetMetadata()
Fetch process defined metadata.
Definition: Process.h:2440
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Definition: SymbolContext.h:33
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Definition: Target.h:469
lldb_private::Process::PrintWarningUnsupportedLanguage
void PrintWarningUnsupportedLanguage(const SymbolContext &sc)
Print a user-visible warning about a function written in a language that this version of LLDB doesn't...
Definition: Process.cpp:5754
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virtual Status WillDetach()
Called before detaching from a process.
Definition: Process.h:1126
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void RestoreProcessEvents()
Restores the process event broadcasting to its normal state.
Definition: Process.cpp:955
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Start tracing a process or its threads.
Definition: Process.h:2560
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Definition: Process.h:319
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Definition: Process.cpp:595
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Definition: Process.cpp:4253
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Definition: Process.h:1436
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Definition: Process.cpp:3778
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virtual llvm::StringRef GetPluginName()=0
lldb_private::Process::ProcessEventData::GetInterrupted
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Definition: Process.h:423
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std::map< lldb::LanguageType, lldb::LanguageRuntimeSP > LanguageRuntimeCollection
Definition: Process.h:2839
lldb_private::Process::CallocateMemory
lldb::addr_t CallocateMemory(size_t size, uint32_t permissions, Status &error)
The public interface to allocating memory in the process, this also clears the allocated memory.
Definition: Process.cpp:2290
lldb_private::Process::GetAsyncProfileData
virtual size_t GetAsyncProfileData(char *buf, size_t buf_size, Status &error)
Get any available profile data.
Definition: Process.cpp:4276
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lldb::InstrumentationRuntimeSP GetInstrumentationRuntime(lldb::InstrumentationRuntimeType type)
Definition: Process.cpp:5797
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virtual void PrefetchModuleSpecs(llvm::ArrayRef< FileSpec > module_file_specs, const llvm::Triple &triple)
Definition: Process.h:2413
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virtual void DidExec()
Called after a process re-execs itself.
Definition: Process.cpp:5646
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Get accessor for the current process state.
Definition: Process.cpp:1296
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Definition: Process.h:153
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Definition: Process.h:2126
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Read of memory from a process.
Definition: Process.cpp:2038
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@ eStateExited
Process has exited and can't be examined.
Definition: lldb-enumerations.h:91
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Definition: Process.h:2703
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uint32_t GetIOHandlerID() const
Definition: Process.h:2147
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Definition: Process.cpp:2760
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Definition: Process.h:2684
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lldb::ListenerSP m_listener_sp
Definition: Process.h:196
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Sends a process a UNIX signal signal.
Definition: Process.cpp:3343
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lldb_private::Process::CurrentThreadIsPrivateStateThread
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Definition: Process.cpp:5612
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Determines whether executing JIT-compiled code in this process is possible.
Definition: Process.cpp:2300
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Definition: Process.h:259
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Definition: Process.cpp:1481
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Status DestroyImpl(bool force_kill)
Definition: Process.cpp:3273
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Status DisableBreakpointSiteByID(lldb::user_id_t break_id)
Definition: Process.cpp:1590
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static void SetInterruptedInEvent(Event *event_ptr, bool new_value)
Definition: Process.cpp:4193
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If you need to ensure that you and only you will hear about some public event, then make a new listen...
Definition: Process.cpp:947
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Definition: UserSettingsController.h:33
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Centralize the code that handles and prints descriptions for process state changes.
Definition: Process.cpp:716
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Definition: Process.cpp:352
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Definition: Process.cpp:2109
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Route the incoming structured data dictionary to the right plugin.
Definition: Process.cpp:6004
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Definition: Trace.h:47
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Definition: Address.cpp:1016
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@ eBroadcastInternalStateControlStop
Definition: Process.h:363
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Definition: Iterable.h:171
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virtual bool DoUpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list)=0
Update the thread list following process plug-in's specific logic.
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Definition: FileSpec.h:56
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virtual lldb::addr_t ResolveIndirectFunction(const Address *address, Status &error)
Resolve dynamically loaded indirect functions.
Definition: Process.cpp:5682
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Definition: Process.h:202
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static llvm::raw_ostream & error(Stream &strm)
Definition: CommandReturnObject.cpp:17
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Definition: Process.h:2857
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virtual llvm::Expected< std::string > TraceGetState(llvm::StringRef type)
Get the current tracing state of the process and its threads.
Definition: Process.h:2584
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std::vector< Notifications > m_notifications
The list of notifications that this process can deliver.
Definition: Process.h:2903
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void ClearPreResumeActions()
Definition: Process.cpp:5593
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void Flush()
Flush all data in the process.
Definition: Process.cpp:5618
lldb_private::Process::HasAssignedIndexIDToThread
bool HasAssignedIndexIDToThread(uint64_t sb_thread_id)
Definition: Process.cpp:1277
lldb_private::Process::m_code_address_mask
lldb::addr_t m_code_address_mask
Mask for code an data addresses.
Definition: Process.h:2958
lldb_private::Process::DumpThreadPlans
void DumpThreadPlans(Stream &strm, lldb::DescriptionLevel desc_level, bool internal, bool condense_trivial, bool skip_unreported_plans)
Dump all the thread plans for this process.
Definition: Process.cpp:1246
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bool ShouldBroadcastEvent(Event *event_ptr)
This is the part of the event handling that for a process event.
Definition: Process.cpp:3371
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HostThread.h
lldb_private::Process::HandlePrivateEvent
void HandlePrivateEvent(lldb::EventSP &event_sp)
Definition: Process.cpp:3653
lldb_private::Process::CompleteAttach
void CompleteAttach()
Definition: Process.cpp:2901
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bool m_restarted
Definition: Process.h:469
lldb_private::Process::ProcessEventData::GetProcessSP
lldb::ProcessSP GetProcessSP() const
Definition: Process.h:410
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virtual const char * GetExitString()=0
lldb_private::Process::UnregisterNotificationCallbacks
bool UnregisterNotificationCallbacks(const Process::Notifications &callbacks)
Unregister for process and thread notifications.
Definition: Process.cpp:582
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Definition: BreakpointSite.h:35
lldb_private::Process::m_stdio_communication
ThreadedCommunication m_stdio_communication
Definition: Process.h:2924
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Definition: ProcessRunLock.h:25
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bool CallVoidArgVoidPtrReturn(const Address *address, lldb::addr_t &returned_func, bool trap_exceptions=false)
Definition: Process.cpp:6056
ThreadSafeValue.h
lldb_private::ProcessProperties::SetPythonOSPluginPath
void SetPythonOSPluginPath(const FileSpec &file)
Definition: Process.cpp:230
lldb_private::Process::GetDynamicCheckers
DynamicCheckerFunctions * GetDynamicCheckers()
Definition: Process.h:2239
lldb_private::Process::ProcessEventData::m_state
lldb::StateType m_state
Definition: Process.h:467
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ThreadList::ThreadIterable Threads()
Definition: Process.h:2103
lldb_private::Process::GetSoftwareBreakpointTrapOpcode
size_t GetSoftwareBreakpointTrapOpcode(BreakpointSite *bp_site)
Definition: Process.cpp:1749
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bool GetWarningsUnsupportedLanguage() const
Definition: Process.cpp:297
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Definition: ProcessLaunchInfo.h:31
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Definition: DataExtractor.h:48
lldb_private::Process::eBroadcastBitProfileData
@ eBroadcastBitProfileData
Definition: Process.h:358
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Definition: ModuleList.h:82
lldb_private::Process::IsLiveDebugSession
virtual bool IsLiveDebugSession() const
Definition: Process.h:1425
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Definition: ExecutionContextScope.h:32
lldb_private::Process::LoadOperatingSystemPlugin
void LoadOperatingSystemPlugin(bool flush)
Definition: Process.cpp:2437
lldb_private::ProcessModID::SetRunningUtilityFunction
void SetRunningUtilityFunction(bool on)
Definition: Process.h:293
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void Clear()
Definition: Process.h:157
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static const Process::ProcessEventData * GetEventDataFromEvent(const Event *event_ptr)
Definition: Process.cpp:4112
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virtual Status DoWillAttachToProcessWithName(const char *process_name, bool wait_for_launch)
Called before attaching to a process.
Definition: Process.h:914
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bool GetIgnoreBreakpointsInExpressions() const
Definition: Process.cpp:235
lldb_private::Process::STDIOReadThreadBytesReceived
static void STDIOReadThreadBytesReceived(void *baton, const void *src, size_t src_len)
Definition: Process.cpp:4339
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virtual llvm::Error TraceStop(const TraceStopRequest &request)
Stop tracing a live process or its threads.
Definition: Process.h:2572
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virtual Status DoDestroy()=0
lldb_private::Process::TraceSupported
virtual llvm::Expected< TraceSupportedResponse > TraceSupported()
Get the processor tracing type supported for this process.
Definition: Process.cpp:6049
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Definition: Process.h:322
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Definition: Process.h:1375
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virtual Status DisableSoftwareBreakpoint(BreakpointSite *bp_site)
Definition: Process.cpp:1832
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lldb_private::Process::StructuredDataPluginMap
std::map< ConstString, lldb::StructuredDataPluginSP > StructuredDataPluginMap
Definition: Process.h:2853
lldb_private::Process::m_exit_status
int m_exit_status
The exit status of the process, or -1 if not set.
Definition: Process.h:2880
lldb_private::Process::ForceNextEventDelivery
void ForceNextEventDelivery()
Definition: Process.h:2735
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Definition: Watchpoint.h:24
lldb_private::Process::NextEventAction::NextEventAction
NextEventAction(Process *process)
Definition: Process.h:2692
lldb_private::Process::GetLoadedDynamicLibrariesInfos
virtual lldb_private::StructuredData::ObjectSP GetLoadedDynamicLibrariesInfos(lldb::addr_t image_list_address, lldb::addr_t image_count)
Retrieve the list of shared libraries that are loaded for this process This method is used on pre-mac...
Definition: Process.h:1295
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lldb_private::Process::IsRunning
bool IsRunning() const
Definition: Process.cpp:1032
lldb_private::Process::GetCodeAddressMask
lldb::addr_t GetCodeAddressMask()
Definition: Process.cpp:5626
lldb_private::Process::ProcessEventData::GetFlavorString
static ConstString GetFlavorString()
Definition: Process.cpp:3916
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std::shared_ptr< Object > ObjectSP
Definition: StructuredData.h:59
lldb_private::Process::EnableBreakpointSiteByID
Status EnableBreakpointSiteByID(lldb::user_id_t break_id)
Definition: Process.cpp:1604
lldb_private::Process::m_dyld_up
lldb::DynamicLoaderUP m_dyld_up
Definition: Process.h:2911
lldb_private::Process::ProcessEventData
Definition: Process.h:397
lldb_private::Process::m_mod_id
ProcessModID m_mod_id
Tracks the state of the process over stops and other alterations.
Definition: Process.h:2872
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static const char * ExecutionResultAsCString(lldb::ExpressionResults result)
Definition: Process.cpp:5464
lldb_private::Process::SetExitStatus
virtual bool SetExitStatus(int exit_status, const char *cstr)
Set accessor for the process exit status (return code).
Definition: Process.cpp:1052
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static lldb::ProcessSP GetProcessFromEvent(const Event *event_ptr)
Definition: Process.cpp:4123
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Definition: MemoryRegionInfo.h:172
lldb_private::ProcessProperties::GetStopOnExec
bool GetStopOnExec() const
Definition: Process.cpp:303
lldb_private::Process::ConfigureStructuredData
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Configure asynchronous structured data feature.
Definition: Process.cpp:5921
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uint32_t m_stop_id
Definition: Process.h:315
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bool(* callback)(void *)
Definition: Process.h:2842
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Definition: ThreadPlanStack.h:116
lldb_private::Process::Finalize
virtual void Finalize()
This object is about to be destroyed, do any necessary cleanup.
Definition: Process.cpp:513
lldb_private::Process::SupportsMemoryTagging
virtual bool SupportsMemoryTagging()
Check whether the process supports memory tagging.
Definition: Process.h:2785
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int m_update_state
Definition: Process.h:471
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Definition: Process.h:135
lldb_private::Process::ProcessEventData::GetRestartedFromEvent
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Definition: Process.cpp:4139
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Definition: Process.h:1212
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Definition: Process.cpp:1273
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Definition: Process.cpp:1707
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uint32_t GetAddressByteSize() const
Definition: Process.cpp:3367
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Definition: ThreadList.h:26
lldb_private::Process::AddPreResumeAction
void AddPreResumeAction(PreResumeActionCallback callback, void *baton)
Definition: Process.cpp:5576
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Definition: ConstString.h:39
lldb_private::Process::Destroy
Status Destroy(bool force_kill)
Kills the process and shuts down all threads that were spawned to track and monitor the process.
Definition: Process.cpp:3265
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virtual llvm::Expected< bool > SaveCore(llvm::StringRef outfile)
Save core dump into the specified file.
Definition: Process.cpp:2666
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lldb::StateType GetState() const
Definition: Process.h:412
lldb_private::Process::GetAuxvData
virtual DataExtractor GetAuxvData()
Definition: Process.cpp:2664
lldb_private::Process::DoReadMemory
virtual size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, Status &error)=0
Actually do the reading of memory from a process.
lldb_private::ThreadCollection::Threads
virtual ThreadIterable Threads()
Definition: ThreadCollection.h:46
lldb_private::Process::SetProcessExitStatus
static bool SetProcessExitStatus(lldb::pid_t pid, bool exited, int signo, int status)
Static function that can be used with the host function Host::StartMonitoringChildProcess ().
Definition: Process.cpp:1106
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Definition: AddressRange.h:25
lldb_private::Process::m_next_event_action_up
std::unique_ptr< NextEventAction > m_next_event_action_up
Definition: Process.h:2940
lldb_private::ProcessProperties::GetSteppingRunsAllThreads
bool GetSteppingRunsAllThreads() const
Definition: Process.cpp:323
lldb_private::Process::UpdateThreadListIfNeeded
void UpdateThreadListIfNeeded()
Definition: Process.cpp:1140
lldb_private::Process::m_queue_list_stop_id
uint32_t m_queue_list_stop_id
The natural stop id when queue list was last fetched.
Definition: Process.h:2901
lldb_private::Process::m_run_thread_plan_lock
std::mutex m_run_thread_plan_lock
Definition: Process.h:2972
lldb_private::ProcessModID::GetLastNaturalStopID
uint32_t GetLastNaturalStopID() const
Definition: Process.h:258
lldb_private::Process::m_abi_sp
lldb::ABISP m_abi_sp
This is the current signal set for this process.
Definition: Process.h:2922
lldb_private::Process::m_public_run_lock
ProcessRunLock m_public_run_lock
Definition: Process.h:2942
lldb_private::OperatingSystem
Definition: OperatingSystem.h:27
PluginInterface.h
lldb_private::Process::eBroadcastBitInterrupt
@ eBroadcastBitInterrupt
Definition: Process.h:355
lldb_private::Range
Definition: Process.h:61
lldb_private::Process::GetGlobalProperties
static ProcessProperties & GetGlobalProperties()
Definition: Process.cpp:505
lldb_private::ProcessLaunchInfo::GetListener
lldb::ListenerSP GetListener() const
Definition: ProcessLaunchInfo.h:125
lldb_private::DynamicLoader
Definition: DynamicLoader.h:52
lldb::eStateDetached
@ eStateDetached
Process has been detached and can't be examined.
Definition: lldb-enumerations.h:90
lldb_private::Process::PutSTDIN
virtual size_t PutSTDIN(const char *buf, size_t buf_size, Status &error)
Puts data into this process's STDIN.
Definition: Process.h:2005
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std::shared_ptr< Dictionary > DictionarySP
Definition: StructuredData.h:67
lldb_private::Process::AttachCompletionHandler::HandleBeingInterrupted
EventActionResult HandleBeingInterrupted() override
Definition: Process.cpp:2752
lldb_private::Process::GetMemoryTagManager
llvm::Expected< const MemoryTagManager * > GetMemoryTagManager()
If this architecture and process supports memory tagging, return a tag manager that can be used to ma...
Definition: Process.cpp:6114
lldb_private::Process::Attach
virtual Status Attach(ProcessAttachInfo &attach_info)
Attach to an existing process using the process attach info.
Definition: Process.cpp:2780
lldb_private::ProcessAttachInfo::SetHijackListener
void SetHijackListener(const lldb::ListenerSP &listener_sp)
Definition: Process.h:178
lldb_private::Process::m_thread_mutex
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Definition: Process.h:2884
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llvm::once_flag m_dlopen_utility_func_flag_once
Definition: Process.h:2978
lldb_private::Process::m_private_state_thread
HostThread m_private_state_thread
Thread ID for the thread that watches internal state events.
Definition: Process.h:2870
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Definition: Debugger.h:75
lldb_private::Process::GetHistoryThreads
lldb::ThreadCollectionSP GetHistoryThreads(lldb::addr_t addr)
Definition: Process.cpp:5780
lldb_private::Process::ResumeSynchronous
Status ResumeSynchronous(Stream *stream)
Definition: Process.cpp:1361
lldb_private::Process::PruneThreadPlansForTID
bool PruneThreadPlansForTID(lldb::tid_t tid)
Prune ThreadPlanStacks for unreported threads.
Definition: Process.cpp:1231
lldb_private::Process::StartNoticingNewThreads
virtual bool StartNoticingNewThreads()
Call this to set the lldb in the mode where it breaks on new thread creations, and then auto-restarts...
Definition: Process.h:2324
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Definition: LanguageRuntime.h:61
ThreadList.h
lldb_private::Process::WillResume
virtual Status WillResume()
Called before resuming to a process.
Definition: Process.h:1055
lldb_private::Process::GetDynamicLoader
virtual DynamicLoader * GetDynamicLoader()
Get the dynamic loader plug-in for this process.
Definition: Process.cpp:2654
lldb_private::Process::m_currently_handling_do_on_removals
bool m_currently_handling_do_on_removals
Definition: Process.h:2944
string
string(SUBSTRING ${p} 10 -1 pStripped) if($
Definition: Plugins/CMakeLists.txt:40
lldb_private::ProcessModID::m_running_utility_function
uint32_t m_running_utility_function
Definition: Process.h:321
lldb_private::Process::AttachCompletionHandler::~AttachCompletionHandler
~AttachCompletionHandler() override=default
lldb_private::ProcessModID::BumpStopID
uint32_t BumpStopID()
Definition: Process.h:238
lldb_private::Process::ProcessEventData::GetRestarted
bool GetRestarted() const
Definition: Process.h:413
lldb_private::ProcessAttachInfo::GetAsync
bool GetAsync() const
Definition: Process.h:133
lldb_private::Process::DoGetMemoryRegionInfo
virtual Status DoGetMemoryRegionInfo(lldb::addr_t load_addr, MemoryRegionInfo &range_info)
DoGetMemoryRegionInfo is called by GetMemoryRegionInfo after it has removed non address bits from loa...
Definition: Process.h:2659
lldb_private::Process::m_exit_string
std::string m_exit_string
A textual description of why a process exited.
Definition: Process.h:2881
lldb_private::Process::eCanJITNo
@ eCanJITNo
Definition: Process.h:2975
lldb_private::Process::SetUnixSignals
void SetUnixSignals(lldb::UnixSignalsSP &&signals_sp)
Definition: Process.cpp:3353
lldb_private::Process::DidHalt
virtual void DidHalt()
Called after halting a process.
Definition: Process.h:1117
lldb_private::Process::DidLaunch
virtual void DidLaunch()
Called after launching a process.
Definition: Process.h:1047
lldb_private::Process::eBroadcastBitSTDOUT
@ eBroadcastBitSTDOUT
Definition: Process.h:356
lldb_private::ProcessProperties::m_process
Process * m_process
Definition: Process.h:105
lldb_private::Process::GetUnixSignals
const lldb::UnixSignalsSP & GetUnixSignals()
Definition: Process.cpp:3358
Event.h
lldb_private::Process::eCanJITYes
@ eCanJITYes
Definition: Process.h:2975
lldb_private::ProcessAttachInfo::ProcessAttachInfo
ProcessAttachInfo()=default
LoadedModuleInfoList.h
lldb_private::Process::SendEventData
virtual Status SendEventData(const char *data)
Definition: Process.h:2382
lldb_private::Process::WillHalt
virtual Status WillHalt()
Called before halting to a process.
Definition: Process.h:1090
lldb_private::Process::ResumePrivateStateThread
void ResumePrivateStateThread()
Definition: Process.cpp:3580
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bool operator!=(const Address &lhs, const Address &rhs)
Definition: Address.cpp:1022
lldb_private::Process::eBroadcastInternalStateControlPause
@ eBroadcastInternalStateControlPause
Definition: Process.h:364
lldb_private::Process::SetShouldDetach
void SetShouldDetach(bool b)
Definition: Process.h:726
lldb_private::ProcessAttachInfo
Definition: Process.h:113
ObjectFile.h
lldb-private.h
lldb_private::Process::SetNextEventAction
void SetNextEventAction(Process::NextEventAction *next_event_action)
Definition: Process.h:2706
lldb_private::Process::GetLanguageRuntimes
std::vector< LanguageRuntime * > GetLanguageRuntimes()
Definition: Process.cpp:1493
lldb_private::Process::GetExitStatus
int GetExitStatus()
Get the exit status for a process.
Definition: Process.cpp:1036
lldb_private::Process::ControlPrivateStateThread
void ControlPrivateStateThread(uint32_t signal)
Definition: Process.cpp:3595
lldb_private::ProcessModID::ProcessModID
ProcessModID(const ProcessModID &rhs)
Definition: Process.h:225
lldb_private::Process::AddInvalidMemoryRegion
void AddInvalidMemoryRegion(const LoadRange &region)
Definition: Process.cpp:5567
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Definition: CommandObject.h:69
lldb_private::ProcessModID::m_last_natural_stop_id
uint32_t m_last_natural_stop_id
Definition: Process.h:316
UserIDResolver.h
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lldb::TargetSP CalculateTarget() override
Definition: Process.cpp:4211
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static void SettingsInitialize()
Definition: Process.cpp:4539
lldb_private::ProcessAttachInfo::GetResumeCount
uint32_t GetResumeCount() const
Definition: Process.h:145
lldb_private::ProcessModID::GetStopEventForStopID
lldb::EventSP GetStopEventForStopID(uint32_t stop_id) const
Definition: Process.h:308
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bool GetDisableLangRuntimeUnwindPlans() const
Definition: Process.cpp:268
lldb_private::Process::DoSignal
virtual Status DoSignal(int signal)
Sends a process a UNIX signal signal.
Definition: Process.h:1164
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uint32_t m_running_user_expression
Definition: Process.h:320
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ThreadList & GetExtendedThreadList()
Definition: Process.h:2101
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virtual bool DetachRequiresHalt()
Definition: Process.h:1147
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jLLDBTraceStop gdb-remote packet
Definition: TraceGDBRemotePackets.h:64
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virtual lldb_private::StructuredData::ObjectSP GetDynamicLoaderProcessState()
Definition: Process.h:1329
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virtual Status GetWatchpointSupportInfo(uint32_t &num)
Definition: Process.h:1820
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Definition: Process.cpp:1266
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Range< lldb::addr_t, lldb::addr_t > LoadRange
Definition: Process.h:368
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Definition: Process.h:2714
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Definition: Process.cpp:4176
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size_t GetNumRestartedReasons()
Definition: Process.h:415
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Definition: ProcessLaunchInfo.cpp:131
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virtual size_t GetSTDOUT(char *buf, size_t buf_size, Status &error)
Get any available STDOUT.
Definition: Process.cpp:4301
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Definition: ModuleSpec.h:27
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Definition: Process.h:317
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Definition: Process.cpp:241
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Definition: ProcessInfo.h:133
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Definition: Process.h:533
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Definition: Process.cpp:1541
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Definition: Process.cpp:1303
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static void SetRestartedInEvent(Event *event_ptr, bool new_value)
Definition: Process.cpp:4147
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Definition: Status.h:44
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ValueObject:
Definition: ValueObject.h:105
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uint32_t GetResumeCount() const
Definition: ProcessLaunchInfo.h:80
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Definition: Process.h:197
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lldb_private::Process::GetLastUserExpressionResumeID
uint32_t GetLastUserExpressionResumeID() const
Definition: Process.h:1391
lldb_private::Process::GetHostOSVersion
virtual llvm::VersionTuple GetHostOSVersion()
Sometimes the connection to a process can detect the host OS version that the process is running on.
Definition: Process.h:1209
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Broadcaster m_private_state_broadcaster
Definition: Process.h:2861
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void SetRunningUserExpression(bool on)
Definition: Process.h:286
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Definition: Process.cpp:1395
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virtual void DidExit()
Definition: Process.h:1366
lldb_private::Process::GetLoadedDynamicLibrariesInfos
virtual lldb_private::StructuredData::ObjectSP GetLoadedDynamicLibrariesInfos()
Definition: Process.h:1303
lldb_private::Process::DoWillAttachToProcessWithID
virtual Status DoWillAttachToProcessWithID(lldb::pid_t pid)
Called before attaching to a process.
Definition: Process.h:897
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Definition: Memory.h:112
lldb_private::Process::DoAttachToProcessWithName
virtual Status DoAttachToProcessWithName(const char *process_name, const ProcessAttachInfo &attach_info)
Attach to an existing process using a partial process name.
Definition: Process.h:969
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lldb_private::Process::m_language_runtimes_mutex
std::recursive_mutex m_language_runtimes_mutex
Definition: Process.h:2938
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Owner for extended threads that may be generated, cleared on natural stops.
Definition: Process.h:2895
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lldb_private::ProcessModID::StopIDEqual
bool StopIDEqual(const ProcessModID &compare) const
Definition: Process.h:269
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Definition: lldb-types.h:62
lldb_private::Process::WaitForProcessStopPrivate
lldb::StateType WaitForProcessStopPrivate(lldb::EventSP &event_sp, const Timeout< std::micro > &timeout)
Definition: Process.cpp:2416
lldb_private::Process::DoLaunch
virtual Status DoLaunch(Module *exe_module, ProcessLaunchInfo &launch_info)
Launch a new process.
Definition: Process.h:1037
lldb_private::Process::m_breakpoint_site_list
BreakpointSiteList m_breakpoint_site_list
This is the list of breakpoint locations we intend to insert in the target.
Definition: Process.h:2908
lldb_private::ProcessProperties::GetStopOnSharedLibraryEvents
bool GetStopOnSharedLibraryEvents() const
Definition: Process.cpp:257
lldb_private::Process::GetSystemRuntime
virtual SystemRuntime * GetSystemRuntime()
Get the system runtime plug-in for this process.
Definition: Process.cpp:2678
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Definition: Address.h:59
lldb_private::Process::AddImageToken
size_t AddImageToken(lldb::addr_t image_ptr)
Definition: Process.cpp:5812
lldb_private::ProcessProperties::SetDetachKeepsStopped
void SetDetachKeepsStopped(bool keep_stopped)
Definition: Process.cpp:286
lldb_private::Process::PreResumeCallbackAndBaton::PreResumeCallbackAndBaton
PreResumeCallbackAndBaton(PreResumeActionCallback in_callback, void *in_baton)
Definition: Process.h:2844
lldb_private::Process::m_instrumentation_runtimes
InstrumentationRuntimeCollection m_instrumentation_runtimes
Definition: Process.h:2939
lldb_private::FollowForkMode
FollowForkMode
Definition: lldb-private-enumerations.h:170
lldb_private::Process::ProcessEventHijacker::~ProcessEventHijacker
~ProcessEventHijacker()
Definition: Process.h:2196
lldb_private::ProcessModID
Definition: Process.h:219
lldb_private::ProcessAttachInfo::GetProcessPluginName
const char * GetProcessPluginName() const
Definition: Process.h:149
lldb::pid_t
uint64_t pid_t
Definition: lldb-types.h:85
lldb_private::Process::Launch
virtual Status Launch(ProcessLaunchInfo &launch_info)
Launch a new process.
Definition: Process.cpp:2445
lldb_private::MemoryCache
Definition: Memory.h:21
lldb_private::Process::m_system_runtime_up
lldb::SystemRuntimeUP m_system_runtime_up
Definition: Process.h:2919
lldb_private::Process::eCanJITDontKnow
@ eCanJITDontKnow
Definition: Process.h:2975
lldb_private::ProcessProperties::SetVirtualAddressableBits
void SetVirtualAddressableBits(uint32_t bits)
Definition: Process.cpp:226
lldb_private::ProcessAttachInfo::GetIgnoreExisting
bool GetIgnoreExisting() const
Definition: Process.h:137
lldb_private::Process::NextEventAction::HandleBeingInterrupted
virtual EventActionResult HandleBeingInterrupted()=0
lldb_private::Process::GetModuleSpec
virtual bool GetModuleSpec(const FileSpec &module_file_spec, const ArchSpec &arch, ModuleSpec &module_spec)
Try to fetch the module specification for a module with the given file name and architecture.
Definition: Process.cpp:5806
ExecutionContextScope.h
ThreadedCommunication.h
lldb_private::Process::EnableWatchpoint
virtual Status EnableWatchpoint(Watchpoint *wp, bool notify=true)
Definition: Process.cpp:2403
lldb_private::Process::GetNextEvent
lldb::StateType GetNextEvent(lldb::EventSP &event_sp)
Definition: Process.cpp:616
lldb_private::ProcessAttachInfo::m_detach_on_error
bool m_detach_on_error
Definition: Process.h:205
lldb_private::Process::RegisterNotificationCallbacks
void RegisterNotificationCallbacks(const Process::Notifications &callbacks)
Register for process and thread notifications.
Definition: Process.cpp:576
lldb_private::ProcessAttachInfo::SetIgnoreExisting
void SetIgnoreExisting(bool b)
Definition: Process.h:139
lldb_private::DiagnosticManager
Definition: DiagnosticManager.h:93
lldb_private::Process::GetLanguageRuntime
LanguageRuntime * GetLanguageRuntime(lldb::LanguageType language)
Definition: Process.cpp:1513
ArchSpec.h
lldb_private::Process::WaitForProcessToStop
lldb::StateType WaitForProcessToStop(const Timeout< std::micro > &timeout, lldb::EventSP *event_sp_ptr=nullptr, bool wait_always=true, lldb::ListenerSP hijack_listener=lldb::ListenerSP(), Stream *stream=nullptr, bool use_run_lock=true)
Definition: Process.cpp:648
UINT32_MAX
#define UINT32_MAX
Definition: lldb-defines.h:19
lldb_private::Process::Detach
Status Detach(bool keep_stopped)
Detaches from a running or stopped process.
Definition: Process.cpp:3213
lldb_private::Process::AdvanceAddressToNextBranchInstruction
Address AdvanceAddressToNextBranchInstruction(Address default_stop_addr, AddressRange range_bounds)
Find the next branch instruction to set a breakpoint on.
Definition: Process.cpp:5829
lldb_private::Process::m_thread_index_id
uint32_t m_thread_index_id
Each thread is created with a 1 based index that won't get re-used.
Definition: Process.h:2877
lldb_private::Process::m_data_address_mask
lldb::addr_t m_data_address_mask
Definition: Process.h:2959
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Definition: Process.h:63
lldb_private::Process::m_image_tokens
std::vector< lldb::addr_t > m_image_tokens
Definition: Process.h:2905
lldb_private::Process::DoWriteMemory
virtual size_t DoWriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size, Status &error)
Actually do the writing of memory to a process.
Definition: Process.h:1572
lldb_private::Process::GetStructuredDataPlugin
lldb::StructuredDataPluginSP GetStructuredDataPlugin(ConstString type_name) const
Returns the StructuredDataPlugin associated with a given type name, if there is one.
Definition: Process.cpp:4268
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Determines whether executing function calls using the interpreter is possible for this process.
Definition: Process.h:1879
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Definition: Process.h:1002
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lldb::ProcessSP CalculateProcess() override
Definition: Process.h:2339
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RAII guard that should be acquired when an utility function is called within a given process.
Definition: Process.h:3080
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Definition: ProcessLaunchInfo.h:131
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Definition: Process.cpp:4099
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Definition: Process.h:760
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Definition: Process.cpp:4512
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Definition: lldb-defines.h:74
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Definition: Process.h:526
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Definition: Process.h:1145
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Definition: Process.cpp:2207
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Definition: Process.h:2906
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Definition: Process.cpp:154
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Definition: Process.h:2891
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Definition: Process.h:261
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Definition: Process.h:1908
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Definition: lldb-types.h:84
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Definition: Process.cpp:6133
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Definition: Process.h:597
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Definition: HostThread.cpp:30
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Definition: Process.cpp:197
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Definition: Process.cpp:1485
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Definition: SBCommandInterpreterRunOptions.h:16
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Definition: Process.h:1309
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Definition: Process.h:732
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Definition: Process.h:2843
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Definition: Process.h:1172
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Definition: StopInfo.h:20
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Definition: UdtRecordCompleter.cpp:35
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Definition: ProcessInfo.h:41
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Definition: Process.cpp:494
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Definition: Process.h:456
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Definition: Process.cpp:5817
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Definition: ThreadedCommunication.h:61
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Definition: Process.cpp:210
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Definition: Process.h:466
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Definition: Process.h:2028
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Definition: Process.cpp:203
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Definition: Process.cpp:2255
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Definition: Process.h:2687
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Definition: Process.cpp:2695
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Definition: Process.h:2847
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Definition: Process.h:2343
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Definition: Process.cpp:1487
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Resumes all of a process's threads as configured using the Thread run control functions.
Definition: Process.cpp:1343
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Definition: Process.h:2945
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Get any available STDERR.
Definition: Process.cpp:4320
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Definition: Process.cpp:1618
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Definition: QueueList.h:28
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ThreadList m_thread_list_real
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Definition: Process.h:2885
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Reads an unsigned integer of the specified byte size from process memory.
Definition: Process.cpp:2067
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Definition: lldb-enumerations.h:74
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Definition: Process.h:2199
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Definition: Process.cpp:3363
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Definition: Process.h:1320
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Definition: Process.h:2725
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Remember if stdin must be forwarded to remote debug server.
Definition: Process.h:2928
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Definition: Process.cpp:2409
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Definition: Process.h:2879
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Encapsulates dynamic check functions used by expressions.
Definition: DynamicCheckerFunctions.h:30
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T GetValue() const
Value get accessor.
Definition: Predicate.h:71
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Definition: Process.cpp:2089
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Definition: Process.h:68
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Definition: Process.h:260
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Definition: Process.h:129
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Definition: ARMUtils.h:265
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Definition: Process.h:2925
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Definition: Process.h:3084
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Try to find the load address of a file.
Definition: Process.h:2430
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ConstString GetFlavor() const override
Definition: Process.cpp:3921
lldb_private::Process::SetCanJIT
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Sets whether executing JIT-compiled code in this process is possible.
Definition: Process.cpp:2329
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Definition: Process.h:253
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Called before launching to a process.
Definition: Process.h:1018
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Definition: Process.cpp:4676
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std::map< lldb::addr_t, lldb::addr_t > m_resolved_indirect_addresses
This helps with the Public event coalescing in ShouldBroadcastEvent.
Definition: Process.h:2967
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Definition: Process.h:182
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Clears the object state.
Definition: ArchSpec.cpp:536
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Definition: Process.h:2686
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Called after a reported fork.
Definition: Process.h:999
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Definition: Broadcaster.h:242
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Definition: Process.h:1387
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Definition: Process.h:325
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Definition: Process.h:176
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Get the cached UtilityFunction that assists in loading binary images into the process.
Definition: Process.cpp:6039
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virtual CommandObject * GetPluginCommandObject()
Return a multi-word command object that can be used to expose plug-in specific commands.
Definition: Process.h:572
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Broadcaster m_private_state_control_broadcaster
Definition: Process.h:2864
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Definition: Process.h:354
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Definition: Process.h:2930
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Definition: Process.h:458
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const Target & GetTarget() const
Get the const target object pointer for this module.
Definition: Process.h:1226
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Definition: Process.cpp:4031
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Find a Process plug-in that can debug module using the currently selected architecture.
Definition: Process.cpp:358
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virtual void UpdateQueueListIfNeeded()
Definition: Process.cpp:1253
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Sets whether executing code in this process is possible.
Definition: Process.cpp:2333
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Definition: Process.h:277
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Definition: Process.cpp:2684
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Definition: Process.cpp:2771
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Definition: Process.cpp:220
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Waits for the process state to be running within a given msec timeout.
Definition: Process.cpp:627
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Definition: Process.h:131
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Definition: BreakpointSiteList.h:23
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lldb_private::ProcessModID::~ProcessModID
~ProcessModID()=default
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Broadcasts the given structured data object from the given plugin.
Definition: Process.cpp:4260
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Definition: Process.cpp:5636
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Definition: Process.h:2943
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Definition: Process.cpp:4489
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Definition: Process.cpp:6149
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Definition: Process.cpp:3576
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Definition: Process.cpp:5770
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Definition: Process.cpp:981
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Definition: Process.cpp:957
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Definition: Process.h:2368
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Resumes all of a process's threads as configured using the Thread run control functions.
Definition: Process.h:1072
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Definition: lldb-enumerations.h:208
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Definition: Process.cpp:4213
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Definition: UtilityFunction.h:30
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Definition: Process.h:2697
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Definition: Process.h:166
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Definition: Process.h:417
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Attempt to get the attributes for a region of memory in the process.
Definition: Process.cpp:2378
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Definition: lldb-types.h:86
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Definition: lldb-enumerations.h:492
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Byte ordering definitions.
Definition: lldb-enumerations.h:139
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Definition: Process.cpp:3925
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Definition: FunctionCaller.h:56
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Definition: Process.cpp:3584
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Definition: Process.h:2341
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Definition: Process.cpp:5823
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Definition: Process.h:2962
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Definition: Process.h:1158
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Definition: Process.h:2912
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Definition: Process.h:201
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Definition: Process.h:2035