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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:
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 
368  /// Process warning types.
370 
372  // We use a read/write lock to allow on or more clients to access the process
373  // state while the process is stopped (reader). We lock the write lock to
374  // control access to the process while it is running (readers, or clients
375  // that want the process stopped can block waiting for the process to stop,
376  // or just try to lock it to see if they can immediately access the stopped
377  // process. If the try read lock fails, then the process is running.
379 
380  // These two functions fill out the Broadcaster interface:
381 
383 
384  ConstString &GetBroadcasterClass() const override {
385  return GetStaticBroadcasterClass();
386  }
387 
388 /// A notification structure that can be used by clients to listen
389 /// for changes in a process's lifetime.
390 ///
391 /// \see RegisterNotificationCallbacks (const Notifications&) @see
392 /// UnregisterNotificationCallbacks (const Notifications&)
393  typedef struct {
394  void *baton;
395  void (*initialize)(void *baton, Process *process);
396  void (*process_state_changed)(void *baton, Process *process,
397  lldb::StateType state);
398  } Notifications;
399 
400  class ProcessEventData : public EventData {
401  friend class Process;
402 
403  public:
405  ProcessEventData(const lldb::ProcessSP &process, lldb::StateType state);
406 
407  ~ProcessEventData() override;
408 
409  static ConstString GetFlavorString();
410 
411  ConstString GetFlavor() const override;
412 
413  lldb::ProcessSP GetProcessSP() const { return m_process_wp.lock(); }
414 
415  lldb::StateType GetState() const { return m_state; }
416  bool GetRestarted() const { return m_restarted; }
417 
418  size_t GetNumRestartedReasons() { return m_restarted_reasons.size(); }
419 
420  const char *GetRestartedReasonAtIndex(size_t idx) {
421  return ((idx < m_restarted_reasons.size())
422  ? m_restarted_reasons[idx].c_str()
423  : nullptr);
424  }
425 
426  bool GetInterrupted() const { return m_interrupted; }
427 
428  void Dump(Stream *s) const override;
429 
430  virtual bool ShouldStop(Event *event_ptr, bool &found_valid_stopinfo);
431 
432  void DoOnRemoval(Event *event_ptr) override;
433 
434  static const Process::ProcessEventData *
435  GetEventDataFromEvent(const Event *event_ptr);
436 
437  static lldb::ProcessSP GetProcessFromEvent(const Event *event_ptr);
438 
439  static lldb::StateType GetStateFromEvent(const Event *event_ptr);
440 
441  static bool GetRestartedFromEvent(const Event *event_ptr);
442 
443  static size_t GetNumRestartedReasons(const Event *event_ptr);
444 
445  static const char *GetRestartedReasonAtIndex(const Event *event_ptr,
446  size_t idx);
447 
448  static void AddRestartedReason(Event *event_ptr, const char *reason);
449 
450  static void SetRestartedInEvent(Event *event_ptr, bool new_value);
451 
452  static bool GetInterruptedFromEvent(const Event *event_ptr);
453 
454  static void SetInterruptedInEvent(Event *event_ptr, bool new_value);
455 
456  static bool SetUpdateStateOnRemoval(Event *event_ptr);
457 
458  private:
460 
461  void SetRestarted(bool new_value) { m_restarted = new_value; }
462 
463  void SetInterrupted(bool new_value) { m_interrupted = new_value; }
464 
465  void AddRestartedReason(const char *reason) {
466  m_restarted_reasons.push_back(reason);
467  }
468 
469  lldb::ProcessWP m_process_wp;
471  std::vector<std::string> m_restarted_reasons;
472  bool m_restarted = false; // For "eStateStopped" events, this is true if the
473  // target was automatically restarted.
474  int m_update_state = 0;
475  bool m_interrupted = false;
476 
477  ProcessEventData(const ProcessEventData &) = delete;
478  const ProcessEventData &operator=(const ProcessEventData &) = delete;
479  };
480 
481  /// Construct with a shared pointer to a target, and the Process listener.
482  /// Uses the Host UnixSignalsSP by default.
483  Process(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp);
484 
485  /// Construct with a shared pointer to a target, the Process listener, and
486  /// the appropriate UnixSignalsSP for the process.
487  Process(lldb::TargetSP target_sp, lldb::ListenerSP listener_sp,
488  const lldb::UnixSignalsSP &unix_signals_sp);
489 
490  /// Destructor.
491  ///
492  /// The destructor is virtual since this class is designed to be inherited
493  /// from by the plug-in instance.
494  ~Process() override;
495 
496  static void SettingsInitialize();
497 
498  static void SettingsTerminate();
499 
501 
502  /// Find a Process plug-in that can debug \a module using the currently
503  /// selected architecture.
504  ///
505  /// Scans all loaded plug-in interfaces that implement versions of the
506  /// Process plug-in interface and returns the first instance that can debug
507  /// the file.
508  ///
509  /// \see Process::CanDebug ()
510  static lldb::ProcessSP FindPlugin(lldb::TargetSP target_sp,
511  llvm::StringRef plugin_name,
512  lldb::ListenerSP listener_sp,
513  const FileSpec *crash_file_path,
514  bool can_connect);
515 
516  /// Static function that can be used with the \b host function
517  /// Host::StartMonitoringChildProcess ().
518  ///
519  /// This function can be used by lldb_private::Process subclasses when they
520  /// want to watch for a local process and have its exit status automatically
521  /// set when the host child process exits. Subclasses should call
522  /// Host::StartMonitoringChildProcess () with:
523  /// callback = Process::SetHostProcessExitStatus
524  /// pid = Process::GetID()
525  /// monitor_signals = false
526  static bool
527  SetProcessExitStatus(lldb::pid_t pid, // The process ID we want to monitor
528  bool exited,
529  int signo, // Zero for no signal
530  int status); // Exit value of process if signal is zero
531 
533 
535 
536  /// Returns the pid of the process or LLDB_INVALID_PROCESS_ID if there is
537  /// no known pid.
538  lldb::pid_t GetID() const { return m_pid; }
539 
540  /// Sets the stored pid.
541  ///
542  /// This does not change the pid of underlying process.
543  void SetID(lldb::pid_t new_pid) { m_pid = new_pid; }
544 
546 
547  /// Check if a plug-in instance can debug the file in \a module.
548  ///
549  /// Each plug-in is given a chance to say whether it can debug the file in
550  /// \a module. If the Process plug-in instance can debug a file on the
551  /// current system, it should return \b true.
552  ///
553  /// \return
554  /// Returns \b true if this Process plug-in instance can
555  /// debug the executable, \b false otherwise.
556  virtual bool CanDebug(lldb::TargetSP target,
557  bool plugin_specified_by_name) = 0;
558 
559  /// This object is about to be destroyed, do any necessary cleanup.
560  ///
561  /// Subclasses that override this method should always call this superclass
562  /// method.
563  virtual void Finalize();
564 
565  /// Return whether this object is valid (i.e. has not been finalized.)
566  ///
567  /// \return
568  /// Returns \b true if this Process has not been finalized
569  /// and \b false otherwise.
570  bool IsValid() const { return !m_finalizing; }
571 
572  /// Return a multi-word command object that can be used to expose plug-in
573  /// specific commands.
574  ///
575  /// This object will be used to resolve plug-in commands and can be
576  /// triggered by a call to:
577  ///
578  /// (lldb) process command <args>
579  ///
580  /// \return
581  /// A CommandObject which can be one of the concrete subclasses
582  /// of CommandObject like CommandObjectRaw, CommandObjectParsed,
583  /// or CommandObjectMultiword.
584  virtual CommandObject *GetPluginCommandObject() { return nullptr; }
585 
586  /// Launch a new process.
587  ///
588  /// Launch a new process by spawning a new process using the target object's
589  /// executable module's file as the file to launch.
590  ///
591  /// This function is not meant to be overridden by Process subclasses. It
592  /// will first call Process::WillLaunch (Module *) and if that returns \b
593  /// true, Process::DoLaunch (Module*, char const *[],char const *[],const
594  /// char *,const char *, const char *) will be called to actually do the
595  /// launching. If DoLaunch returns \b true, then Process::DidLaunch() will
596  /// be called.
597  ///
598  /// \param[in] launch_info
599  /// Details regarding the environment, STDIN/STDOUT/STDERR
600  /// redirection, working path, etc. related to the requested launch.
601  ///
602  /// \return
603  /// An error object. Call GetID() to get the process ID if
604  /// the error object is success.
605  virtual Status Launch(ProcessLaunchInfo &launch_info);
606 
607  virtual Status LoadCore();
608 
609  virtual Status DoLoadCore() {
610  Status error;
611  error.SetErrorStringWithFormatv(
612  "error: {0} does not support loading core files.", GetPluginName());
613  return error;
614  }
615 
616  // FUTURE WORK: GetLoadImageUtilityFunction are the first use we've
617  // had of having other plugins cache data in the Process. This is handy for
618  // long-living plugins - like the Platform - which manage interactions whose
619  // lifetime is governed by the Process lifetime. If we find we need to do
620  // this more often, we should construct a general solution to the problem.
621  // The consensus suggestion was that we have a token based registry in the
622  // Process. Some undecided questions are (1) who manages the tokens. It's
623  // probably best that you add the element and get back a token that
624  // represents it. That will avoid collisions. But there may be some utility
625  // in the registerer controlling the token? (2) whether the thing added
626  // should be simply owned by Process, and just go away when it does (3)
627  // whether the registree should be notified of the Process' demise.
628  //
629  // We are postponing designing this till we have at least a second use case.
630  /// Get the cached UtilityFunction that assists in loading binary images
631  /// into the process.
632  ///
633  /// \param[in] platform
634  /// The platform fetching the UtilityFunction.
635  /// \param[in] factory
636  /// A function that will be called only once per-process in a
637  /// thread-safe way to create the UtilityFunction if it has not
638  /// been initialized yet.
639  ///
640  /// \return
641  /// The cached utility function or null if the platform is not the
642  /// same as the target's platform.
644  Platform *platform,
645  llvm::function_ref<std::unique_ptr<UtilityFunction>()> factory);
646 
647  /// Get the dynamic loader plug-in for this process.
648  ///
649  /// The default action is to let the DynamicLoader plug-ins check the main
650  /// executable and the DynamicLoader will select itself automatically.
651  /// Subclasses can override this if inspecting the executable is not
652  /// desired, or if Process subclasses can only use a specific DynamicLoader
653  /// plug-in.
654  virtual DynamicLoader *GetDynamicLoader();
655 
656  // Returns AUXV structure found in many ELF-based environments.
657  //
658  // The default action is to return an empty data buffer.
659  //
660  // \return
661  // A data extractor containing the contents of the AUXV data.
662  virtual DataExtractor GetAuxvData();
663 
664  /// Sometimes processes know how to retrieve and load shared libraries. This
665  /// is normally done by DynamicLoader plug-ins, but sometimes the connection
666  /// to the process allows retrieving this information. The dynamic loader
667  /// plug-ins can use this function if they can't determine the current
668  /// shared library load state.
669  ///
670  /// \return
671  /// A status object indicating if the operation was sucessful or not.
673  return llvm::make_error<llvm::StringError>("Not implemented.",
674  llvm::inconvertibleErrorCode());
675  }
676 
677  /// Query remote GDBServer for a detailed loaded library list
678  /// \return
679  /// The list of modules currently loaded by the process, or an error.
680  virtual llvm::Expected<LoadedModuleInfoList> GetLoadedModuleList() {
681  return llvm::createStringError(llvm::inconvertibleErrorCode(),
682  "Not implemented");
683  }
684 
685  /// Save core dump into the specified file.
686  ///
687  /// \param[in] outfile
688  /// Path to store core dump in.
689  ///
690  /// \return
691  /// true if saved successfully, false if saving the core dump
692  /// is not supported by the plugin, error otherwise.
693  virtual llvm::Expected<bool> SaveCore(llvm::StringRef outfile);
694 
695 protected:
696  virtual JITLoaderList &GetJITLoaders();
697 
698 public:
699  /// Get the system runtime plug-in for this process.
700  ///
701  /// \return
702  /// Returns a pointer to the SystemRuntime plugin for this Process
703  /// if one is available. Else returns nullptr.
704  virtual SystemRuntime *GetSystemRuntime();
705 
706  /// Attach to an existing process using the process attach info.
707  ///
708  /// This function is not meant to be overridden by Process subclasses. It
709  /// will first call WillAttach (lldb::pid_t) or WillAttach (const char *),
710  /// and if that returns \b true, DoAttach (lldb::pid_t) or DoAttach (const
711  /// char *) will be called to actually do the attach. If DoAttach returns \b
712  /// true, then Process::DidAttach() will be called.
713  ///
714  /// \param[in] attach_info
715  /// The process attach info.
716  ///
717  /// \return
718  /// Returns \a pid if attaching was successful, or
719  /// LLDB_INVALID_PROCESS_ID if attaching fails.
720  virtual Status Attach(ProcessAttachInfo &attach_info);
721 
722  /// Attach to a remote system via a URL
723  ///
724  /// \param[in] remote_url
725  /// The URL format that we are connecting to.
726  ///
727  /// \return
728  /// Returns an error object.
729  virtual Status ConnectRemote(llvm::StringRef remote_url);
730 
731  bool GetShouldDetach() const { return m_should_detach; }
732 
733  void SetShouldDetach(bool b) { m_should_detach = b; }
734 
735  /// Get the image vector for the current process.
736  ///
737  /// \return
738  /// The constant reference to the member m_image_tokens.
739  const std::vector<lldb::addr_t>& GetImageTokens() { return m_image_tokens; }
740 
741  /// Get the image information address for the current process.
742  ///
743  /// Some runtimes have system functions that can help dynamic loaders locate
744  /// the dynamic loader information needed to observe shared libraries being
745  /// loaded or unloaded. This function is in the Process interface (as
746  /// opposed to the DynamicLoader interface) to ensure that remote debugging
747  /// can take advantage of this functionality.
748  ///
749  /// \return
750  /// The address of the dynamic loader information, or
751  /// LLDB_INVALID_ADDRESS if this is not supported by this
752  /// interface.
754 
755  /// Called when the process is about to broadcast a public stop.
756  ///
757  /// There are public and private stops. Private stops are when the process
758  /// is doing things like stepping and the client doesn't need to know about
759  /// starts and stop that implement a thread plan. Single stepping over a
760  /// source line in code might end up being implemented by one or more
761  /// process starts and stops. Public stops are when clients will be notified
762  /// that the process is stopped. These events typically trigger UI updates
763  /// (thread stack frames to be displayed, variables to be displayed, and
764  /// more). This function can be overriden and allows process subclasses to
765  /// do something before the eBroadcastBitStateChanged event is sent to
766  /// public clients.
767  virtual void WillPublicStop() {}
768 
769 /// Register for process and thread notifications.
770 ///
771 /// Clients can register notification callbacks by filling out a
772 /// Process::Notifications structure and calling this function.
773 ///
774 /// \param[in] callbacks
775 /// A structure that contains the notification baton and
776 /// callback functions.
777 ///
778 /// \see Process::Notifications
780 
781 /// Unregister for process and thread notifications.
782 ///
783 /// Clients can unregister notification callbacks by passing a copy of the
784 /// original baton and callbacks in \a callbacks.
785 ///
786 /// \param[in] callbacks
787 /// A structure that contains the notification baton and
788 /// callback functions.
789 ///
790 /// \return
791 /// Returns \b true if the notification callbacks were
792 /// successfully removed from the process, \b false otherwise.
793 ///
794 /// \see Process::Notifications
796 
797  //==================================================================
798  // Built in Process Control functions
799  //==================================================================
800  /// Resumes all of a process's threads as configured using the Thread run
801  /// control functions.
802  ///
803  /// Threads for a process should be updated with one of the run control
804  /// actions (resume, step, or suspend) that they should take when the
805  /// process is resumed. If no run control action is given to a thread it
806  /// will be resumed by default.
807  ///
808  /// This function is not meant to be overridden by Process subclasses. This
809  /// function will take care of disabling any breakpoints that threads may be
810  /// stopped at, single stepping, and re-enabling breakpoints, and enabling
811  /// the basic flow control that the plug-in instances need not worry about.
812  ///
813  /// N.B. This function also sets the Write side of the Run Lock, which is
814  /// unset when the corresponding stop event is pulled off the Public Event
815  /// Queue. If you need to resume the process without setting the Run Lock,
816  /// use PrivateResume (though you should only do that from inside the
817  /// Process class.
818  ///
819  /// \return
820  /// Returns an error object.
821  ///
822  /// \see Thread:Resume()
823  /// \see Thread:Step()
824  /// \see Thread:Suspend()
825  Status Resume();
826 
828 
829  /// Halts a running process.
830  ///
831  /// This function is not meant to be overridden by Process subclasses. If
832  /// the process is successfully halted, a eStateStopped process event with
833  /// GetInterrupted will be broadcast. If false, we will halt the process
834  /// with no events generated by the halt.
835  ///
836  /// \param[in] clear_thread_plans
837  /// If true, when the process stops, clear all thread plans.
838  ///
839  /// \param[in] use_run_lock
840  /// Whether to release the run lock after the stop.
841  ///
842  /// \return
843  /// Returns an error object. If the error is empty, the process is
844  /// halted.
845  /// otherwise the halt has failed.
846  Status Halt(bool clear_thread_plans = false, bool use_run_lock = true);
847 
848  /// Detaches from a running or stopped process.
849  ///
850  /// This function is not meant to be overridden by Process subclasses.
851  ///
852  /// \param[in] keep_stopped
853  /// If true, don't resume the process on detach.
854  ///
855  /// \return
856  /// Returns an error object.
857  Status Detach(bool keep_stopped);
858 
859  /// Kills the process and shuts down all threads that were spawned to track
860  /// and monitor the process.
861  ///
862  /// This function is not meant to be overridden by Process subclasses.
863  ///
864  /// \param[in] force_kill
865  /// Whether lldb should force a kill (instead of a detach) from
866  /// the inferior process. Normally if lldb launched a binary and
867  /// Destory is called, lldb kills it. If lldb attached to a
868  /// running process and Destory is called, lldb detaches. If
869  /// this behavior needs to be over-ridden, this is the bool that
870  /// can be used.
871  ///
872  /// \return
873  /// Returns an error object.
874  Status Destroy(bool force_kill);
875 
876  /// Sends a process a UNIX signal \a signal.
877  ///
878  /// This function is not meant to be overridden by Process subclasses.
879  ///
880  /// \return
881  /// Returns an error object.
882  Status Signal(int signal);
883 
884  void SetUnixSignals(lldb::UnixSignalsSP &&signals_sp);
885 
886  const lldb::UnixSignalsSP &GetUnixSignals();
887 
888  //==================================================================
889  // Plug-in Process Control Overrides
890  //==================================================================
891 
892  /// Called before attaching to a process.
893  ///
894  /// Allow Process plug-ins to execute some code before attaching a process.
895  ///
896  /// \return
897  /// Returns an error object.
899 
900  /// Called before attaching to a process.
901  ///
902  /// Allow Process plug-ins to execute some code before attaching a process.
903  ///
904  /// \return
905  /// Returns an error object.
906  virtual Status WillAttachToProcessWithName(const char *process_name,
907  bool wait_for_launch) {
908  return Status();
909  }
910 
911  /// Attach to a remote system via a URL
912  ///
913  /// \param[in] remote_url
914  /// The URL format that we are connecting to.
915  ///
916  /// \return
917  /// Returns an error object.
918  virtual Status DoConnectRemote(llvm::StringRef remote_url) {
919  Status error;
920  error.SetErrorString("remote connections are not supported");
921  return error;
922  }
923 
924  /// Attach to an existing process using a process ID.
925  ///
926  /// \param[in] pid
927  /// The process ID that we should attempt to attach to.
928  ///
929  /// \param[in] attach_info
930  /// Information on how to do the attach. For example, GetUserID()
931  /// will return the uid to attach as.
932  ///
933  /// \return
934  /// Returns a successful Status attaching was successful, or
935  /// an appropriate (possibly platform-specific) error code if
936  /// attaching fails.
937  /// hanming : need flag
939  const ProcessAttachInfo &attach_info) {
940  Status error;
941  error.SetErrorStringWithFormatv(
942  "error: {0} does not support attaching to a process by pid",
943  GetPluginName());
944  return error;
945  }
946 
947  /// Attach to an existing process using a partial process name.
948  ///
949  /// \param[in] process_name
950  /// The name of the process to attach to.
951  ///
952  /// \param[in] attach_info
953  /// Information on how to do the attach. For example, GetUserID()
954  /// will return the uid to attach as.
955  ///
956  /// \return
957  /// Returns a successful Status attaching was successful, or
958  /// an appropriate (possibly platform-specific) error code if
959  /// attaching fails.
960  virtual Status
961  DoAttachToProcessWithName(const char *process_name,
962  const ProcessAttachInfo &attach_info) {
963  Status error;
964  error.SetErrorString("attach by name is not supported");
965  return error;
966  }
967 
968  /// Called after attaching a process.
969  ///
970  /// \param[in] process_arch
971  /// If you can figure out the process architecture after attach, fill it
972  /// in here.
973  ///
974  /// Allow Process plug-ins to execute some code after attaching to a
975  /// process.
976  virtual void DidAttach(ArchSpec &process_arch) { process_arch.Clear(); }
977 
978  /// Called after a process re-execs itself.
979  ///
980  /// Allow Process plug-ins to execute some code after a process has exec'ed
981  /// itself. Subclasses typically should override DoDidExec() as the
982  /// lldb_private::Process class needs to remove its dynamic loader, runtime,
983  /// ABI and other plug-ins, as well as unload all shared libraries.
984  virtual void DidExec();
985 
986  /// Subclasses of Process should implement this function if they need to do
987  /// anything after a process exec's itself.
988  virtual void DoDidExec() {}
989 
990  /// Called after a reported fork.
991  virtual void DidFork(lldb::pid_t child_pid, lldb::tid_t child_tid) {}
992 
993  /// Called after a reported vfork.
994  virtual void DidVFork(lldb::pid_t child_pid, lldb::tid_t child_tid) {}
995 
996  /// Called after reported vfork completion.
997  virtual void DidVForkDone() {}
998 
999  /// Called before launching to a process.
1000  ///
1001  /// Allow Process plug-ins to execute some code before launching a process.
1002  ///
1003  /// \return
1004  /// Returns an error object.
1005  virtual Status WillLaunch(Module *module) { return Status(); }
1006 
1007  /// Launch a new process.
1008  ///
1009  /// Launch a new process by spawning a new process using \a exe_module's
1010  /// file as the file to launch. Launch details are provided in \a
1011  /// launch_info.
1012  ///
1013  /// \param[in] exe_module
1014  /// The module from which to extract the file specification and
1015  /// launch.
1016  ///
1017  /// \param[in] launch_info
1018  /// Details (e.g. arguments, stdio redirection, etc.) for the
1019  /// requested launch.
1020  ///
1021  /// \return
1022  /// An Status instance indicating success or failure of the
1023  /// operation.
1024  virtual Status DoLaunch(Module *exe_module, ProcessLaunchInfo &launch_info) {
1025  Status error;
1026  error.SetErrorStringWithFormatv(
1027  "error: {0} does not support launching processes", GetPluginName());
1028  return error;
1029  }
1030 
1031  /// Called after launching a process.
1032  ///
1033  /// Allow Process plug-ins to execute some code after launching a process.
1034  virtual void DidLaunch() {}
1035 
1036  /// Called before resuming to a process.
1037  ///
1038  /// Allow Process plug-ins to execute some code before resuming a process.
1039  ///
1040  /// \return
1041  /// Returns an error object.
1042  virtual Status WillResume() { return Status(); }
1043 
1044  /// Resumes all of a process's threads as configured using the Thread run
1045  /// control functions.
1046  ///
1047  /// Threads for a process should be updated with one of the run control
1048  /// actions (resume, step, or suspend) that they should take when the
1049  /// process is resumed. If no run control action is given to a thread it
1050  /// will be resumed by default.
1051  ///
1052  /// \return
1053  /// Returns \b true if the process successfully resumes using
1054  /// the thread run control actions, \b false otherwise.
1055  ///
1056  /// \see Thread:Resume()
1057  /// \see Thread:Step()
1058  /// \see Thread:Suspend()
1059  virtual Status DoResume() {
1060  Status error;
1061  error.SetErrorStringWithFormatv(
1062  "error: {0} does not support resuming processes", GetPluginName());
1063  return error;
1064  }
1065 
1066  /// Called after resuming a process.
1067  ///
1068  /// Allow Process plug-ins to execute some code after resuming a process.
1069  virtual void DidResume() {}
1070 
1071  /// Called before halting to a process.
1072  ///
1073  /// Allow Process plug-ins to execute some code before halting a process.
1074  ///
1075  /// \return
1076  /// Returns an error object.
1077  virtual Status WillHalt() { return Status(); }
1078 
1079  /// Halts a running process.
1080  ///
1081  /// DoHalt must produce one and only one stop StateChanged event if it
1082  /// actually stops the process. If the stop happens through some natural
1083  /// event (for instance a SIGSTOP), then forwarding that event will do.
1084  /// Otherwise, you must generate the event manually. This function is called
1085  /// from the context of the private state thread.
1086  ///
1087  /// \param[out] caused_stop
1088  /// If true, then this Halt caused the stop, otherwise, the
1089  /// process was already stopped.
1090  ///
1091  /// \return
1092  /// Returns \b true if the process successfully halts, \b false
1093  /// otherwise.
1094  virtual Status DoHalt(bool &caused_stop) {
1095  Status error;
1096  error.SetErrorStringWithFormatv(
1097  "error: {0} does not support halting processes", GetPluginName());
1098  return error;
1099  }
1100 
1101  /// Called after halting a process.
1102  ///
1103  /// Allow Process plug-ins to execute some code after halting a process.
1104  virtual void DidHalt() {}
1105 
1106  /// Called before detaching from a process.
1107  ///
1108  /// Allow Process plug-ins to execute some code before detaching from a
1109  /// process.
1110  ///
1111  /// \return
1112  /// Returns an error object.
1113  virtual Status WillDetach() { return Status(); }
1114 
1115  /// Detaches from a running or stopped process.
1116  ///
1117  /// \return
1118  /// Returns \b true if the process successfully detaches, \b
1119  /// false otherwise.
1120  virtual Status DoDetach(bool keep_stopped) {
1121  Status error;
1122  error.SetErrorStringWithFormatv(
1123  "error: {0} does not support detaching from processes",
1124  GetPluginName());
1125  return error;
1126  }
1127 
1128  /// Called after detaching from a process.
1129  ///
1130  /// Allow Process plug-ins to execute some code after detaching from a
1131  /// process.
1132  virtual void DidDetach() {}
1133 
1134  virtual bool DetachRequiresHalt() { return false; }
1135 
1136  /// Called before sending a signal to a process.
1137  ///
1138  /// Allow Process plug-ins to execute some code before sending a signal to a
1139  /// process.
1140  ///
1141  /// \return
1142  /// Returns no error if it is safe to proceed with a call to
1143  /// Process::DoSignal(int), otherwise an error describing what
1144  /// prevents the signal from being sent.
1145  virtual Status WillSignal() { return Status(); }
1146 
1147  /// Sends a process a UNIX signal \a signal.
1148  ///
1149  /// \return
1150  /// Returns an error object.
1151  virtual Status DoSignal(int signal) {
1152  Status error;
1153  error.SetErrorStringWithFormatv(
1154  "error: {0} does not support sending signals to processes",
1155  GetPluginName());
1156  return error;
1157  }
1158 
1159  virtual Status WillDestroy() { return Status(); }
1160 
1161  virtual Status DoDestroy() = 0;
1162 
1163  virtual void DidDestroy() {}
1164 
1165  virtual bool DestroyRequiresHalt() { return true; }
1166 
1167  /// Called after sending a signal to a process.
1168  ///
1169  /// Allow Process plug-ins to execute some code after sending a signal to a
1170  /// process.
1171  virtual void DidSignal() {}
1172 
1173  /// Currently called as part of ShouldStop.
1174  /// FIXME: Should really happen when the target stops before the
1175  /// event is taken from the queue...
1176  ///
1177  /// This callback is called as the event
1178  /// is about to be queued up to allow Process plug-ins to execute some code
1179  /// prior to clients being notified that a process was stopped. Common
1180  /// operations include updating the thread list, invalidating any thread
1181  /// state (registers, stack, etc) prior to letting the notification go out.
1182  ///
1183  virtual void RefreshStateAfterStop() = 0;
1184 
1185  /// Sometimes the connection to a process can detect the host OS version
1186  /// that the process is running on. The current platform should be checked
1187  /// first in case the platform is connected, but clients can fall back onto
1188  /// this function if the platform fails to identify the host OS version. The
1189  /// platform should be checked first in case you are running a simulator
1190  /// platform that might itself be running natively, but have different
1191  /// heuristics for figuring out which OS is is emulating.
1192  ///
1193  /// \return
1194  /// Returns the version tuple of the host OS. In case of failure an empty
1195  /// VersionTuple is returner.
1196  virtual llvm::VersionTuple GetHostOSVersion() { return llvm::VersionTuple(); }
1197 
1198  /// \return the macCatalyst version of the host OS.
1199  virtual llvm::VersionTuple GetHostMacCatalystVersion() { return {}; }
1200 
1201  /// Get the target object pointer for this module.
1202  ///
1203  /// \return
1204  /// A Target object pointer to the target that owns this
1205  /// module.
1206  Target &GetTarget() { return *m_target_wp.lock(); }
1207 
1208  /// Get the const target object pointer for this module.
1209  ///
1210  /// \return
1211  /// A const Target object pointer to the target that owns this
1212  /// module.
1213  const Target &GetTarget() const { return *m_target_wp.lock(); }
1214 
1215  /// Flush all data in the process.
1216  ///
1217  /// Flush the memory caches, all threads, and any other cached data in the
1218  /// process.
1219  ///
1220  /// This function can be called after a world changing event like adding a
1221  /// new symbol file, or after the process makes a large context switch (from
1222  /// boot ROM to booted into an OS).
1223  void Flush();
1224 
1225  /// Get accessor for the current process state.
1226  ///
1227  /// \return
1228  /// The current state of the process.
1229  ///
1230  /// \see lldb::StateType
1232 
1234  RunThreadPlan(ExecutionContext &exe_ctx, lldb::ThreadPlanSP &thread_plan_sp,
1235  const EvaluateExpressionOptions &options,
1236  DiagnosticManager &diagnostic_manager);
1237 
1238  static const char *ExecutionResultAsCString(lldb::ExpressionResults result);
1239 
1240  void GetStatus(Stream &ostrm);
1241 
1242  size_t GetThreadStatus(Stream &ostrm, bool only_threads_with_stop_reason,
1243  uint32_t start_frame, uint32_t num_frames,
1244  uint32_t num_frames_with_source,
1245  bool stop_format);
1246 
1247  void SendAsyncInterrupt();
1248 
1249  // Notify this process class that modules got loaded.
1250  //
1251  // If subclasses override this method, they must call this version before
1252  // doing anything in the subclass version of the function.
1253  virtual void ModulesDidLoad(ModuleList &module_list);
1254 
1255  /// Retrieve the list of shared libraries that are loaded for this process
1256  /// This method is used on pre-macOS 10.12, pre-iOS 10, pre-tvOS 10, pre-
1257  /// watchOS 3 systems. The following two methods are for newer versions of
1258  /// those OSes.
1259  ///
1260  /// For certain platforms, the time it takes for the DynamicLoader plugin to
1261  /// read all of the shared libraries out of memory over a slow communication
1262  /// channel may be too long. In that instance, the gdb-remote stub may be
1263  /// able to retrieve the necessary information about the solibs out of
1264  /// memory and return a concise summary sufficient for the DynamicLoader
1265  /// plugin.
1266  ///
1267  /// \param [in] image_list_address
1268  /// The address where the table of shared libraries is stored in memory,
1269  /// if that is appropriate for this platform. Else this may be
1270  /// passed as LLDB_INVALID_ADDRESS.
1271  ///
1272  /// \param [in] image_count
1273  /// The number of shared libraries that are present in this process, if
1274  /// that is appropriate for this platofrm Else this may be passed as
1275  /// LLDB_INVALID_ADDRESS.
1276  ///
1277  /// \return
1278  /// A StructuredDataSP object which, if non-empty, will contain the
1279  /// information the DynamicLoader needs to get the initial scan of
1280  /// solibs resolved.
1283  lldb::addr_t image_count) {
1284  return StructuredData::ObjectSP();
1285  }
1286 
1287  // On macOS 10.12, tvOS 10, iOS 10, watchOS 3 and newer, debugserver can
1288  // return the full list of loaded shared libraries without needing any input.
1291  return StructuredData::ObjectSP();
1292  }
1293 
1294  // On macOS 10.12, tvOS 10, iOS 10, watchOS 3 and newer, debugserver can
1295  // return information about binaries given their load addresses.
1297  const std::vector<lldb::addr_t> &load_addresses) {
1298  return StructuredData::ObjectSP();
1299  }
1300 
1301  // Get information about the library shared cache, if that exists
1302  //
1303  // On macOS 10.12, tvOS 10, iOS 10, watchOS 3 and newer, debugserver can
1304  // return information about the library shared cache (a set of standard
1305  // libraries that are loaded at the same location for all processes on a
1306  // system) in use.
1308  return StructuredData::ObjectSP();
1309  }
1310 
1311  /// Print a user-visible warning about a module being built with
1312  /// optimization
1313  ///
1314  /// Prints a async warning message to the user one time per Module where a
1315  /// function is found that was compiled with optimization, per Process.
1316  ///
1317  /// \param [in] sc
1318  /// A SymbolContext with eSymbolContextFunction and eSymbolContextModule
1319  /// pre-computed.
1320  void PrintWarningOptimization(const SymbolContext &sc);
1321 
1322  /// Print a user-visible warning about a function written in a
1323  /// language that this version of LLDB doesn't support.
1324  ///
1325  /// \see PrintWarningOptimization
1327 
1328  virtual bool GetProcessInfo(ProcessInstanceInfo &info);
1329 
1330  /// Get the exit status for a process.
1331  ///
1332  /// \return
1333  /// The process's return code, or -1 if the current process
1334  /// state is not eStateExited.
1335  int GetExitStatus();
1336 
1337  /// Get a textual description of what the process exited.
1338  ///
1339  /// \return
1340  /// The textual description of why the process exited, or nullptr
1341  /// if there is no description available.
1342  const char *GetExitDescription();
1343 
1344  virtual void DidExit() {}
1345 
1348 
1349  void SetCodeAddressMask(lldb::addr_t code_address_mask) {
1350  m_code_address_mask = code_address_mask;
1351  }
1352 
1353  void SetDataAddressMask(lldb::addr_t data_address_mask) {
1354  m_data_address_mask = data_address_mask;
1355  }
1356 
1357  /// Get the Modification ID of the process.
1358  ///
1359  /// \return
1360  /// The modification ID of the process.
1361  ProcessModID GetModID() const { return m_mod_id; }
1362 
1363  const ProcessModID &GetModIDRef() const { return m_mod_id; }
1364 
1365  uint32_t GetStopID() const { return m_mod_id.GetStopID(); }
1366 
1368 
1371  }
1372 
1374  return m_mod_id.GetLastNaturalStopID();
1375  }
1376 
1377  lldb::EventSP GetStopEventForStopID(uint32_t stop_id) const {
1378  return m_mod_id.GetStopEventForStopID(stop_id);
1379  }
1380 
1381  /// Set accessor for the process exit status (return code).
1382  ///
1383  /// Sometimes a child exits and the exit can be detected by global functions
1384  /// (signal handler for SIGCHLD for example). This accessor allows the exit
1385  /// status to be set from an external source.
1386  ///
1387  /// Setting this will cause a eStateExited event to be posted to the process
1388  /// event queue.
1389  ///
1390  /// \param[in] exit_status
1391  /// The value for the process's return code.
1392  ///
1393  /// \see lldb::StateType
1394  virtual bool SetExitStatus(int exit_status, const char *cstr);
1395 
1396  /// Check if a process is still alive.
1397  ///
1398  /// \return
1399  /// Returns \b true if the process is still valid, \b false
1400  /// otherwise.
1401  virtual bool IsAlive();
1402 
1403  virtual bool IsLiveDebugSession() const { return true; };
1404 
1405  /// Before lldb detaches from a process, it warns the user that they are
1406  /// about to lose their debug session. In some cases, this warning doesn't
1407  /// need to be emitted -- for instance, with core file debugging where the
1408  /// user can reconstruct the "state" by simply re-running the debugger on
1409  /// the core file.
1410  ///
1411  /// \return
1412  /// Returns \b true if the user should be warned about detaching from
1413  /// this process.
1414  virtual bool WarnBeforeDetach() const { return true; }
1415 
1416  /// Read of memory from a process.
1417  ///
1418  /// This function will read memory from the current process's address space
1419  /// and remove any traps that may have been inserted into the memory.
1420  ///
1421  /// This function is not meant to be overridden by Process subclasses, the
1422  /// subclasses should implement Process::DoReadMemory (lldb::addr_t, size_t,
1423  /// void *).
1424  ///
1425  /// \param[in] vm_addr
1426  /// A virtual load address that indicates where to start reading
1427  /// memory from.
1428  ///
1429  /// \param[out] buf
1430  /// A byte buffer that is at least \a size bytes long that
1431  /// will receive the memory bytes.
1432  ///
1433  /// \param[in] size
1434  /// The number of bytes to read.
1435  ///
1436  /// \param[out] error
1437  /// An error that indicates the success or failure of this
1438  /// operation. If error indicates success (error.Success()),
1439  /// then the value returned can be trusted, otherwise zero
1440  /// will be returned.
1441  ///
1442  /// \return
1443  /// The number of bytes that were actually read into \a buf. If
1444  /// the returned number is greater than zero, yet less than \a
1445  /// size, then this function will get called again with \a
1446  /// vm_addr, \a buf, and \a size updated appropriately. Zero is
1447  /// returned in the case of an error.
1448  virtual size_t ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
1449  Status &error);
1450 
1451  /// Read of memory from a process.
1452  ///
1453  /// This function has the same semantics of ReadMemory except that it
1454  /// bypasses caching.
1455  ///
1456  /// \param[in] vm_addr
1457  /// A virtual load address that indicates where to start reading
1458  /// memory from.
1459  ///
1460  /// \param[out] buf
1461  /// A byte buffer that is at least \a size bytes long that
1462  /// will receive the memory bytes.
1463  ///
1464  /// \param[in] size
1465  /// The number of bytes to read.
1466  ///
1467  /// \param[out] error
1468  /// An error that indicates the success or failure of this
1469  /// operation. If error indicates success (error.Success()),
1470  /// then the value returned can be trusted, otherwise zero
1471  /// will be returned.
1472  ///
1473  /// \return
1474  /// The number of bytes that were actually read into \a buf. If
1475  /// the returned number is greater than zero, yet less than \a
1476  /// size, then this function will get called again with \a
1477  /// vm_addr, \a buf, and \a size updated appropriately. Zero is
1478  /// returned in the case of an error.
1479  size_t ReadMemoryFromInferior(lldb::addr_t vm_addr, void *buf, size_t size,
1480  Status &error);
1481 
1482  /// Read a NULL terminated C string from memory
1483  ///
1484  /// This function will read a cache page at a time until the NULL
1485  /// C string terminator is found. It will stop reading if the NULL
1486  /// termination byte isn't found before reading \a cstr_max_len bytes, and
1487  /// the results are always guaranteed to be NULL terminated (at most
1488  /// cstr_max_len - 1 bytes will be read).
1489  size_t ReadCStringFromMemory(lldb::addr_t vm_addr, char *cstr,
1490  size_t cstr_max_len, Status &error);
1491 
1492  size_t ReadCStringFromMemory(lldb::addr_t vm_addr, std::string &out_str,
1493  Status &error);
1494 
1495  /// Reads an unsigned integer of the specified byte size from process
1496  /// memory.
1497  ///
1498  /// \param[in] load_addr
1499  /// A load address of the integer to read.
1500  ///
1501  /// \param[in] byte_size
1502  /// The size in byte of the integer to read.
1503  ///
1504  /// \param[in] fail_value
1505  /// The value to return if we fail to read an integer.
1506  ///
1507  /// \param[out] error
1508  /// An error that indicates the success or failure of this
1509  /// operation. If error indicates success (error.Success()),
1510  /// then the value returned can be trusted, otherwise zero
1511  /// will be returned.
1512  ///
1513  /// \return
1514  /// The unsigned integer that was read from the process memory
1515  /// space. If the integer was smaller than a uint64_t, any
1516  /// unused upper bytes will be zero filled. If the process
1517  /// byte order differs from the host byte order, the integer
1518  /// value will be appropriately byte swapped into host byte
1519  /// order.
1520  uint64_t ReadUnsignedIntegerFromMemory(lldb::addr_t load_addr,
1521  size_t byte_size, uint64_t fail_value,
1522  Status &error);
1523 
1524  int64_t ReadSignedIntegerFromMemory(lldb::addr_t load_addr, size_t byte_size,
1525  int64_t fail_value, Status &error);
1526 
1528 
1529  bool WritePointerToMemory(lldb::addr_t vm_addr, lldb::addr_t ptr_value,
1530  Status &error);
1531 
1532  /// Actually do the writing of memory to a process.
1533  ///
1534  /// \param[in] vm_addr
1535  /// A virtual load address that indicates where to start writing
1536  /// memory to.
1537  ///
1538  /// \param[in] buf
1539  /// A byte buffer that is at least \a size bytes long that
1540  /// contains the data to write.
1541  ///
1542  /// \param[in] size
1543  /// The number of bytes to write.
1544  ///
1545  /// \param[out] error
1546  /// An error value in case the memory write fails.
1547  ///
1548  /// \return
1549  /// The number of bytes that were actually written.
1550  virtual size_t DoWriteMemory(lldb::addr_t vm_addr, const void *buf,
1551  size_t size, Status &error) {
1552  error.SetErrorStringWithFormatv(
1553  "error: {0} does not support writing to processes", GetPluginName());
1554  return 0;
1555  }
1556 
1557  /// Write all or part of a scalar value to memory.
1558  ///
1559  /// The value contained in \a scalar will be swapped to match the byte order
1560  /// of the process that is being debugged. If \a size is less than the size
1561  /// of scalar, the least significant \a size bytes from scalar will be
1562  /// written. If \a size is larger than the byte size of scalar, then the
1563  /// extra space will be padded with zeros and the scalar value will be
1564  /// placed in the least significant bytes in memory.
1565  ///
1566  /// \param[in] vm_addr
1567  /// A virtual load address that indicates where to start writing
1568  /// memory to.
1569  ///
1570  /// \param[in] scalar
1571  /// The scalar to write to the debugged process.
1572  ///
1573  /// \param[in] size
1574  /// This value can be smaller or larger than the scalar value
1575  /// itself. If \a size is smaller than the size of \a scalar,
1576  /// the least significant bytes in \a scalar will be used. If
1577  /// \a size is larger than the byte size of \a scalar, then
1578  /// the extra space will be padded with zeros. If \a size is
1579  /// set to UINT32_MAX, then the size of \a scalar will be used.
1580  ///
1581  /// \param[out] error
1582  /// An error value in case the memory write fails.
1583  ///
1584  /// \return
1585  /// The number of bytes that were actually written.
1586  size_t WriteScalarToMemory(lldb::addr_t vm_addr, const Scalar &scalar,
1587  size_t size, Status &error);
1588 
1589  size_t ReadScalarIntegerFromMemory(lldb::addr_t addr, uint32_t byte_size,
1590  bool is_signed, Scalar &scalar,
1591  Status &error);
1592 
1593  /// Write memory to a process.
1594  ///
1595  /// This function will write memory to the current process's address space
1596  /// and maintain any traps that might be present due to software
1597  /// breakpoints.
1598  ///
1599  /// This function is not meant to be overridden by Process subclasses, the
1600  /// subclasses should implement Process::DoWriteMemory (lldb::addr_t,
1601  /// size_t, void *).
1602  ///
1603  /// \param[in] vm_addr
1604  /// A virtual load address that indicates where to start writing
1605  /// memory to.
1606  ///
1607  /// \param[in] buf
1608  /// A byte buffer that is at least \a size bytes long that
1609  /// contains the data to write.
1610  ///
1611  /// \param[in] size
1612  /// The number of bytes to write.
1613  ///
1614  /// \return
1615  /// The number of bytes that were actually written.
1616  // TODO: change this to take an ArrayRef<uint8_t>
1617  size_t WriteMemory(lldb::addr_t vm_addr, const void *buf, size_t size,
1618  Status &error);
1619 
1620  /// Actually allocate memory in the process.
1621  ///
1622  /// This function will allocate memory in the process's address space. This
1623  /// can't rely on the generic function calling mechanism, since that
1624  /// requires this function.
1625  ///
1626  /// \param[in] size
1627  /// The size of the allocation requested.
1628  ///
1629  /// \return
1630  /// The address of the allocated buffer in the process, or
1631  /// LLDB_INVALID_ADDRESS if the allocation failed.
1632 
1633  virtual lldb::addr_t DoAllocateMemory(size_t size, uint32_t permissions,
1634  Status &error) {
1635  error.SetErrorStringWithFormatv(
1636  "error: {0} does not support allocating in the debug process",
1637  GetPluginName());
1638  return LLDB_INVALID_ADDRESS;
1639  }
1640 
1641  virtual Status WriteObjectFile(std::vector<ObjectFile::LoadableData> entries);
1642 
1643  /// The public interface to allocating memory in the process.
1644  ///
1645  /// This function will allocate memory in the process's address space. This
1646  /// can't rely on the generic function calling mechanism, since that
1647  /// requires this function.
1648  ///
1649  /// \param[in] size
1650  /// The size of the allocation requested.
1651  ///
1652  /// \param[in] permissions
1653  /// Or together any of the lldb::Permissions bits. The permissions on
1654  /// a given memory allocation can't be changed after allocation. Note
1655  /// that a block that isn't set writable can still be written on from
1656  /// lldb,
1657  /// just not by the process itself.
1658  ///
1659  /// \param[in,out] error
1660  /// An error object to fill in if things go wrong.
1661  /// \return
1662  /// The address of the allocated buffer in the process, or
1663  /// LLDB_INVALID_ADDRESS if the allocation failed.
1664  lldb::addr_t AllocateMemory(size_t size, uint32_t permissions, Status &error);
1665 
1666  /// The public interface to allocating memory in the process, this also
1667  /// clears the allocated memory.
1668  ///
1669  /// This function will allocate memory in the process's address space. This
1670  /// can't rely on the generic function calling mechanism, since that
1671  /// requires this function.
1672  ///
1673  /// \param[in] size
1674  /// The size of the allocation requested.
1675  ///
1676  /// \param[in] permissions
1677  /// Or together any of the lldb::Permissions bits. The permissions on
1678  /// a given memory allocation can't be changed after allocation. Note
1679  /// that a block that isn't set writable can still be written on from
1680  /// lldb,
1681  /// just not by the process itself.
1682  ///
1683  /// \param[in,out] error
1684  /// An error object to fill in if things go wrong.
1685  ///
1686  /// \return
1687  /// The address of the allocated buffer in the process, or
1688  /// LLDB_INVALID_ADDRESS if the allocation failed.
1689 
1690  lldb::addr_t CallocateMemory(size_t size, uint32_t permissions,
1691  Status &error);
1692 
1693  /// If this architecture and process supports memory tagging, return a tag
1694  /// manager that can be used to maniupulate those memory tags.
1695  ///
1696  /// \return
1697  /// Either a valid pointer to a tag manager or an error describing why one
1698  /// could not be provided.
1699  llvm::Expected<const MemoryTagManager *> GetMemoryTagManager();
1700 
1701  /// Read memory tags for the range addr to addr+len. It is assumed
1702  /// that this range has already been granule aligned.
1703  /// (see MemoryTagManager::MakeTaggedRange)
1704  ///
1705  /// This calls DoReadMemoryTags to do the target specific operations.
1706  ///
1707  /// \param[in] addr
1708  /// Start of memory range to read tags for.
1709  ///
1710  /// \param[in] len
1711  /// Length of memory range to read tags for (in bytes).
1712  ///
1713  /// \return
1714  /// If this architecture or process does not support memory tagging,
1715  /// an error saying so.
1716  /// If it does, either the memory tags or an error describing a
1717  /// failure to read or unpack them.
1718  llvm::Expected<std::vector<lldb::addr_t>> ReadMemoryTags(lldb::addr_t addr,
1719  size_t len);
1720 
1721  /// Write memory tags for a range of memory.
1722  /// (calls DoWriteMemoryTags to do the target specific work)
1723  ///
1724  /// \param[in] addr
1725  /// The address to start writing tags from. It is assumed that this
1726  /// address is granule aligned.
1727  ///
1728  /// \param[in] len
1729  /// The size of the range to write tags for. It is assumed that this
1730  /// is some multiple of the granule size. This len can be different
1731  /// from (number of tags * granule size) in the case where you want
1732  /// lldb-server to repeat tags across the range.
1733  ///
1734  /// \param[in] tags
1735  /// Allocation tags to be written. Since lldb-server can repeat tags for a
1736  /// range, the number of tags doesn't have to match the number of granules
1737  /// in the range. (though most of the time it will)
1738  ///
1739  /// \return
1740  /// A Status telling you if the write succeeded or not.
1741  Status WriteMemoryTags(lldb::addr_t addr, size_t len,
1742  const std::vector<lldb::addr_t> &tags);
1743 
1744  /// Resolve dynamically loaded indirect functions.
1745  ///
1746  /// \param[in] address
1747  /// The load address of the indirect function to resolve.
1748  ///
1749  /// \param[out] error
1750  /// An error value in case the resolve fails.
1751  ///
1752  /// \return
1753  /// The address of the resolved function.
1754  /// LLDB_INVALID_ADDRESS if the resolution failed.
1755  virtual lldb::addr_t ResolveIndirectFunction(const Address *address,
1756  Status &error);
1757 
1758  /// Locate the memory region that contains load_addr.
1759  ///
1760  /// If load_addr is within the address space the process has mapped
1761  /// range_info will be filled in with the start and end of that range as
1762  /// well as the permissions for that range and range_info.GetMapped will
1763  /// return true.
1764  ///
1765  /// If load_addr is outside any mapped region then range_info will have its
1766  /// start address set to load_addr and the end of the range will indicate
1767  /// the start of the next mapped range or be set to LLDB_INVALID_ADDRESS if
1768  /// there are no valid mapped ranges between load_addr and the end of the
1769  /// process address space.
1770  ///
1771  /// GetMemoryRegionInfo will only return an error if it is unimplemented for
1772  /// the current process.
1773  ///
1774  /// \param[in] load_addr
1775  /// The load address to query the range_info for.
1776  ///
1777  /// \param[out] range_info
1778  /// An range_info value containing the details of the range.
1779  ///
1780  /// \return
1781  /// An error value.
1783  MemoryRegionInfo &range_info) {
1784  Status error;
1785  error.SetErrorString("Process::GetMemoryRegionInfo() not supported");
1786  return error;
1787  }
1788 
1789  /// Obtain all the mapped memory regions within this process.
1790  ///
1791  /// \param[out] region_list
1792  /// A vector to contain MemoryRegionInfo objects for all mapped
1793  /// ranges.
1794  ///
1795  /// \return
1796  /// An error value.
1797  virtual Status
1799 
1801  Status error;
1802  num = 0;
1803  error.SetErrorString("Process::GetWatchpointSupportInfo() not supported");
1804  return error;
1805  }
1806 
1807  virtual Status GetWatchpointSupportInfo(uint32_t &num, bool &after) {
1808  Status error;
1809  num = 0;
1810  after = true;
1811  error.SetErrorString("Process::GetWatchpointSupportInfo() not supported");
1812  return error;
1813  }
1814 
1815  lldb::ModuleSP ReadModuleFromMemory(const FileSpec &file_spec,
1816  lldb::addr_t header_addr,
1817  size_t size_to_read = 512);
1818 
1819  /// Attempt to get the attributes for a region of memory in the process.
1820  ///
1821  /// It may be possible for the remote debug server to inspect attributes for
1822  /// a region of memory in the process, such as whether there is a valid page
1823  /// of memory at a given address or whether that page is
1824  /// readable/writable/executable by the process.
1825  ///
1826  /// \param[in] load_addr
1827  /// The address of interest in the process.
1828  ///
1829  /// \param[out] permissions
1830  /// If this call returns successfully, this bitmask will have
1831  /// its Permissions bits set to indicate whether the region is
1832  /// readable/writable/executable. If this call fails, the
1833  /// bitmask values are undefined.
1834  ///
1835  /// \return
1836  /// Returns true if it was able to determine the attributes of the
1837  /// memory region. False if not.
1838  virtual bool GetLoadAddressPermissions(lldb::addr_t load_addr,
1839  uint32_t &permissions);
1840 
1841  /// Determines whether executing JIT-compiled code in this process is
1842  /// possible.
1843  ///
1844  /// \return
1845  /// True if execution of JIT code is possible; false otherwise.
1846  bool CanJIT();
1847 
1848  /// Sets whether executing JIT-compiled code in this process is possible.
1849  ///
1850  /// \param[in] can_jit
1851  /// True if execution of JIT code is possible; false otherwise.
1852  void SetCanJIT(bool can_jit);
1853 
1854  /// Determines whether executing function calls using the interpreter is
1855  /// possible for this process.
1856  ///
1857  /// \return
1858  /// True if possible; false otherwise.
1860 
1861  /// Sets whether executing function calls using the interpreter is possible
1862  /// for this process.
1863  ///
1864  /// \param[in] can_interpret_function_calls
1865  /// True if possible; false otherwise.
1866  void SetCanInterpretFunctionCalls(bool can_interpret_function_calls) {
1867  m_can_interpret_function_calls = can_interpret_function_calls;
1868  }
1869 
1870  /// Sets whether executing code in this process is possible. This could be
1871  /// either through JIT or interpreting.
1872  ///
1873  /// \param[in] can_run_code
1874  /// True if execution of code is possible; false otherwise.
1875  void SetCanRunCode(bool can_run_code);
1876 
1877  /// Actually deallocate memory in the process.
1878  ///
1879  /// This function will deallocate memory in the process's address space that
1880  /// was allocated with AllocateMemory.
1881  ///
1882  /// \param[in] ptr
1883  /// A return value from AllocateMemory, pointing to the memory you
1884  /// want to deallocate.
1885  ///
1886  /// \return
1887  /// \btrue if the memory was deallocated, \bfalse otherwise.
1889  Status error;
1890  error.SetErrorStringWithFormatv(
1891  "error: {0} does not support deallocating in the debug process",
1892  GetPluginName());
1893  return error;
1894  }
1895 
1896  /// The public interface to deallocating memory in the process.
1897  ///
1898  /// This function will deallocate memory in the process's address space that
1899  /// was allocated with AllocateMemory.
1900  ///
1901  /// \param[in] ptr
1902  /// A return value from AllocateMemory, pointing to the memory you
1903  /// want to deallocate.
1904  ///
1905  /// \return
1906  /// \btrue if the memory was deallocated, \bfalse otherwise.
1908 
1909  /// Get any available STDOUT.
1910  ///
1911  /// Calling this method is a valid operation only if all of the following
1912  /// conditions are true: 1) The process was launched, and not attached to.
1913  /// 2) The process was not launched with eLaunchFlagDisableSTDIO. 3) The
1914  /// process was launched without supplying a valid file path
1915  /// for STDOUT.
1916  ///
1917  /// Note that the implementation will probably need to start a read thread
1918  /// in the background to make sure that the pipe is drained and the STDOUT
1919  /// buffered appropriately, to prevent the process from deadlocking trying
1920  /// to write to a full buffer.
1921  ///
1922  /// Events will be queued indicating that there is STDOUT available that can
1923  /// be retrieved using this function.
1924  ///
1925  /// \param[out] buf
1926  /// A buffer that will receive any STDOUT bytes that are
1927  /// currently available.
1928  ///
1929  /// \param[in] buf_size
1930  /// The size in bytes for the buffer \a buf.
1931  ///
1932  /// \return
1933  /// The number of bytes written into \a buf. If this value is
1934  /// equal to \a buf_size, another call to this function should
1935  /// be made to retrieve more STDOUT data.
1936  virtual size_t GetSTDOUT(char *buf, size_t buf_size, Status &error);
1937 
1938  /// Get any available STDERR.
1939  ///
1940  /// Calling this method is a valid operation only if all of the following
1941  /// conditions are true: 1) The process was launched, and not attached to.
1942  /// 2) The process was not launched with eLaunchFlagDisableSTDIO. 3) The
1943  /// process was launched without supplying a valid file path
1944  /// for STDERR.
1945  ///
1946  /// Note that the implementation will probably need to start a read thread
1947  /// in the background to make sure that the pipe is drained and the STDERR
1948  /// buffered appropriately, to prevent the process from deadlocking trying
1949  /// to write to a full buffer.
1950  ///
1951  /// Events will be queued indicating that there is STDERR available that can
1952  /// be retrieved using this function.
1953  ///
1954  /// \param[in] buf
1955  /// A buffer that will receive any STDERR bytes that are
1956  /// currently available.
1957  ///
1958  /// \param[out] buf_size
1959  /// The size in bytes for the buffer \a buf.
1960  ///
1961  /// \return
1962  /// The number of bytes written into \a buf. If this value is
1963  /// equal to \a buf_size, another call to this function should
1964  /// be made to retrieve more STDERR data.
1965  virtual size_t GetSTDERR(char *buf, size_t buf_size, Status &error);
1966 
1967  /// Puts data into this process's STDIN.
1968  ///
1969  /// Calling this method is a valid operation only if all of the following
1970  /// conditions are true: 1) The process was launched, and not attached to.
1971  /// 2) The process was not launched with eLaunchFlagDisableSTDIO. 3) The
1972  /// process was launched without supplying a valid file path
1973  /// for STDIN.
1974  ///
1975  /// \param[in] buf
1976  /// A buffer that contains the data to write to the process's STDIN.
1977  ///
1978  /// \param[in] 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  /// less than \a buf_size, another call to this function should
1984  /// be made to write the rest of the data.
1985  virtual size_t PutSTDIN(const char *buf, size_t buf_size, Status &error) {
1986  error.SetErrorString("stdin unsupported");
1987  return 0;
1988  }
1989 
1990  /// Get any available profile data.
1991  ///
1992  /// \param[out] buf
1993  /// A buffer that will receive any profile data bytes that are
1994  /// currently available.
1995  ///
1996  /// \param[out] buf_size
1997  /// The size in bytes for the buffer \a buf.
1998  ///
1999  /// \return
2000  /// The number of bytes written into \a buf. If this value is
2001  /// equal to \a buf_size, another call to this function should
2002  /// be made to retrieve more profile data.
2003  virtual size_t GetAsyncProfileData(char *buf, size_t buf_size, Status &error);
2004 
2005  // Process Breakpoints
2007 
2009  Status error;
2010  error.SetErrorStringWithFormatv(
2011  "error: {0} does not support enabling breakpoints", GetPluginName());
2012  return error;
2013  }
2014 
2016  Status error;
2017  error.SetErrorStringWithFormatv(
2018  "error: {0} does not support disabling breakpoints", GetPluginName());
2019  return error;
2020  }
2021 
2022  // This is implemented completely using the lldb::Process API. Subclasses
2023  // don't need to implement this function unless the standard flow of read
2024  // existing opcode, write breakpoint opcode, verify breakpoint opcode doesn't
2025  // work for a specific process plug-in.
2027 
2028  // This is implemented completely using the lldb::Process API. Subclasses
2029  // don't need to implement this function unless the standard flow of
2030  // restoring original opcode in memory and verifying the restored opcode
2031  // doesn't work for a specific process plug-in.
2033 
2035 
2037 
2039 
2041 
2042  lldb::break_id_t CreateBreakpointSite(const lldb::BreakpointLocationSP &owner,
2043  bool use_hardware);
2044 
2046 
2048 
2049  // BreakpointLocations use RemoveOwnerFromBreakpointSite to remove themselves
2050  // from the owner's list of this breakpoint sites.
2052  lldb::user_id_t owner_loc_id,
2053  lldb::BreakpointSiteSP &bp_site_sp);
2054 
2055  // Process Watchpoints (optional)
2056  virtual Status EnableWatchpoint(Watchpoint *wp, bool notify = true);
2057 
2058  virtual Status DisableWatchpoint(Watchpoint *wp, bool notify = true);
2059 
2060  // Thread Queries
2061 
2062  /// Update the thread list.
2063  ///
2064  /// This method performs some general clean up before invoking
2065  /// \a DoUpdateThreadList, which should be implemented by each
2066  /// process plugin.
2067  ///
2068  /// \return
2069  /// \b true if the new thread list could be generated, \b false otherwise.
2070  bool UpdateThreadList(ThreadList &old_thread_list,
2071  ThreadList &new_thread_list);
2072 
2073  void UpdateThreadListIfNeeded();
2074 
2076 
2077  // When ExtendedBacktraces are requested, the HistoryThreads that are created
2078  // need an owner -- they're saved here in the Process. The threads in this
2079  // list are not iterated over - driver programs need to request the extended
2080  // backtrace calls starting from a root concrete thread one by one.
2082 
2084 
2085  uint32_t GetNextThreadIndexID(uint64_t thread_id);
2086 
2087  lldb::ThreadSP CreateOSPluginThread(lldb::tid_t tid, lldb::addr_t context);
2088 
2089  // Returns true if an index id has been assigned to a thread.
2090  bool HasAssignedIndexIDToThread(uint64_t sb_thread_id);
2091 
2092  // Given a thread_id, it will assign a more reasonable index id for display
2093  // to the user. If the thread_id has previously been assigned, the same index
2094  // id will be used.
2095  uint32_t AssignIndexIDToThread(uint64_t thread_id);
2096 
2097  // Queue Queries
2098 
2099  void UpdateQueueListIfNeeded();
2100 
2103  return m_queue_list;
2104  }
2105 
2108  return m_queue_list.Queues();
2109  }
2110 
2111  // Event Handling
2112  lldb::StateType GetNextEvent(lldb::EventSP &event_sp);
2113 
2114  // Returns the process state when it is stopped. If specified, event_sp_ptr
2115  // is set to the event which triggered the stop. If wait_always = false, and
2116  // the process is already stopped, this function returns immediately. If the
2117  // process is hijacked and use_run_lock is true (the default), then this
2118  // function releases the run lock after the stop. Setting use_run_lock to
2119  // false will avoid this behavior.
2122  lldb::EventSP *event_sp_ptr = nullptr,
2123  bool wait_always = true,
2124  lldb::ListenerSP hijack_listener = lldb::ListenerSP(),
2125  Stream *stream = nullptr, bool use_run_lock = true);
2126 
2128 
2129  /// Waits for the process state to be running within a given msec timeout.
2130  ///
2131  /// The main purpose of this is to implement an interlock waiting for
2132  /// HandlePrivateEvent to push an IOHandler.
2133  ///
2134  /// \param[in] timeout
2135  /// The maximum time length to wait for the process to transition to the
2136  /// eStateRunning state.
2137  void SyncIOHandler(uint32_t iohandler_id, const Timeout<std::micro> &timeout);
2138 
2140  lldb::EventSP &event_sp, const Timeout<std::micro> &timeout,
2141  lldb::ListenerSP
2142  hijack_listener); // Pass an empty ListenerSP to use builtin listener
2143 
2144  /// Centralize the code that handles and prints descriptions for process
2145  /// state changes.
2146  ///
2147  /// \param[in] event_sp
2148  /// The process state changed event
2149  ///
2150  /// \param[in] stream
2151  /// The output stream to get the state change description
2152  ///
2153  /// \param[in,out] pop_process_io_handler
2154  /// If this value comes in set to \b true, then pop the Process IOHandler
2155  /// if needed.
2156  /// Else this variable will be set to \b true or \b false to indicate if
2157  /// the process
2158  /// needs to have its process IOHandler popped.
2159  ///
2160  /// \return
2161  /// \b true if the event describes a process state changed event, \b false
2162  /// otherwise.
2163  static bool HandleProcessStateChangedEvent(const lldb::EventSP &event_sp,
2164  Stream *stream,
2165  bool &pop_process_io_handler);
2166 
2168 
2170  public:
2171  ProcessEventHijacker(Process &process, lldb::ListenerSP listener_sp)
2172  : m_process(process) {
2173  m_process.HijackProcessEvents(std::move(listener_sp));
2174  }
2175 
2177 
2178  private:
2180  };
2181 
2182  friend class ProcessEventHijacker;
2183  friend class ProcessProperties;
2184  /// If you need to ensure that you and only you will hear about some public
2185  /// event, then make a new listener, set to listen to process events, and
2186  /// then call this with that listener. Then you will have to wait on that
2187  /// listener explicitly for events (rather than using the GetNextEvent &
2188  /// WaitFor* calls above. Be sure to call RestoreProcessEvents when you are
2189  /// done.
2190  ///
2191  /// \param[in] listener_sp
2192  /// This is the new listener to whom all process events will be delivered.
2193  ///
2194  /// \return
2195  /// Returns \b true if the new listener could be installed,
2196  /// \b false otherwise.
2197  bool HijackProcessEvents(lldb::ListenerSP listener_sp);
2198 
2199  /// Restores the process event broadcasting to its normal state.
2200  ///
2201  void RestoreProcessEvents();
2202 
2204 
2206 
2207  const lldb::ABISP &GetABI();
2208 
2210 
2211  std::vector<LanguageRuntime *> GetLanguageRuntimes();
2212 
2214 
2215  bool IsPossibleDynamicValue(ValueObject &in_value);
2216 
2217  bool IsRunning() const;
2218 
2220  return m_dynamic_checkers_up.get();
2221  }
2222 
2223  void SetDynamicCheckers(DynamicCheckerFunctions *dynamic_checkers);
2224 
2225 /// Prune ThreadPlanStacks for unreported threads.
2226 ///
2227 /// \param[in] tid
2228 /// The tid whose Plan Stack we are seeking to prune.
2229 ///
2230 /// \return
2231 /// \b true if the TID is found or \b false if not.
2233 
2234 /// Prune ThreadPlanStacks for all unreported threads.
2235 void PruneThreadPlans();
2236 
2237  /// Find the thread plan stack associated with thread with \a tid.
2238  ///
2239  /// \param[in] tid
2240  /// The tid whose Plan Stack we are seeking.
2241  ///
2242  /// \return
2243  /// Returns a ThreadPlan if the TID is found or nullptr if not.
2245 
2246  /// Dump the thread plans associated with thread with \a tid.
2247  ///
2248  /// \param[in,out] strm
2249  /// The stream to which to dump the output
2250  ///
2251  /// \param[in] tid
2252  /// The tid whose Plan Stack we are dumping
2253  ///
2254  /// \param[in] desc_level
2255  /// How much detail to dump
2256  ///
2257  /// \param[in] internal
2258  /// If \b true dump all plans, if false only user initiated plans
2259  ///
2260  /// \param[in] condense_trivial
2261  /// If true, only dump a header if the plan stack is just the base plan.
2262  ///
2263  /// \param[in] skip_unreported_plans
2264  /// If true, only dump a plan if it is currently backed by an
2265  /// lldb_private::Thread *.
2266  ///
2267  /// \return
2268  /// Returns \b true if TID was found, \b false otherwise
2269  bool DumpThreadPlansForTID(Stream &strm, lldb::tid_t tid,
2270  lldb::DescriptionLevel desc_level, bool internal,
2271  bool condense_trivial, bool skip_unreported_plans);
2272 
2273  /// Dump all the thread plans for this process.
2274  ///
2275  /// \param[in,out] strm
2276  /// The stream to which to dump the output
2277  ///
2278  /// \param[in] desc_level
2279  /// How much detail to dump
2280  ///
2281  /// \param[in] internal
2282  /// If \b true dump all plans, if false only user initiated plans
2283  ///
2284  /// \param[in] condense_trivial
2285  /// If true, only dump a header if the plan stack is just the base plan.
2286  ///
2287  /// \param[in] skip_unreported_plans
2288  /// If true, skip printing all thread plan stacks that don't currently
2289  /// have a backing lldb_private::Thread *.
2290  void DumpThreadPlans(Stream &strm, lldb::DescriptionLevel desc_level,
2291  bool internal, bool condense_trivial,
2292  bool skip_unreported_plans);
2293 
2294  /// Call this to set the lldb in the mode where it breaks on new thread
2295  /// creations, and then auto-restarts. This is useful when you are trying
2296  /// to run only one thread, but either that thread or the kernel is creating
2297  /// new threads in the process. If you stop when the thread is created, you
2298  /// can immediately suspend it, and keep executing only the one thread you
2299  /// intend.
2300  ///
2301  /// \return
2302  /// Returns \b true if we were able to start up the notification
2303  /// \b false otherwise.
2304  virtual bool StartNoticingNewThreads() { return true; }
2305 
2306  /// Call this to turn off the stop & notice new threads mode.
2307  ///
2308  /// \return
2309  /// Returns \b true if we were able to start up the notification
2310  /// \b false otherwise.
2311  virtual bool StopNoticingNewThreads() { return true; }
2312 
2313  void SetRunningUserExpression(bool on);
2314  void SetRunningUtilityFunction(bool on);
2315 
2316  // lldb::ExecutionContextScope pure virtual functions
2317  lldb::TargetSP CalculateTarget() override;
2318 
2319  lldb::ProcessSP CalculateProcess() override { return shared_from_this(); }
2320 
2321  lldb::ThreadSP CalculateThread() override { return lldb::ThreadSP(); }
2322 
2323  lldb::StackFrameSP CalculateStackFrame() override {
2324  return lldb::StackFrameSP();
2325  }
2326 
2327  void CalculateExecutionContext(ExecutionContext &exe_ctx) override;
2328 
2329  void SetSTDIOFileDescriptor(int file_descriptor);
2330 
2331  // Add a permanent region of memory that should never be read or written to.
2332  // This can be used to ensure that memory reads or writes to certain areas of
2333  // memory never end up being sent to the DoReadMemory or DoWriteMemory
2334  // functions which can improve performance.
2335  void AddInvalidMemoryRegion(const LoadRange &region);
2336 
2337  // Remove a permanent region of memory that should never be read or written
2338  // to that was previously added with AddInvalidMemoryRegion.
2339  bool RemoveInvalidMemoryRange(const LoadRange &region);
2340 
2341  // If the setup code of a thread plan needs to do work that might involve
2342  // calling a function in the target, it should not do that work directly in
2343  // one of the thread plan functions (DidPush/WillResume) because such work
2344  // needs to be handled carefully. Instead, put that work in a
2345  // PreResumeAction callback, and register it with the process. It will get
2346  // done before the actual "DoResume" gets called.
2347 
2348  typedef bool(PreResumeActionCallback)(void *);
2349 
2350  void AddPreResumeAction(PreResumeActionCallback callback, void *baton);
2351 
2352  bool RunPreResumeActions();
2353 
2354  void ClearPreResumeActions();
2355 
2356  void ClearPreResumeAction(PreResumeActionCallback callback, void *baton);
2357 
2359 
2361 
2362  virtual Status SendEventData(const char *data) {
2363  Status return_error("Sending an event is not supported for this process.");
2364  return return_error;
2365  }
2366 
2367  lldb::ThreadCollectionSP GetHistoryThreads(lldb::addr_t addr);
2368 
2369  lldb::InstrumentationRuntimeSP
2371 
2372  /// Try to fetch the module specification for a module with the given file
2373  /// name and architecture. Process sub-classes have to override this method
2374  /// if they support platforms where the Platform object can't get the module
2375  /// spec for all module.
2376  ///
2377  /// \param[in] module_file_spec
2378  /// The file name of the module to get specification for.
2379  ///
2380  /// \param[in] arch
2381  /// The architecture of the module to get specification for.
2382  ///
2383  /// \param[out] module_spec
2384  /// The fetched module specification if the return value is
2385  /// \b true, unchanged otherwise.
2386  ///
2387  /// \return
2388  /// Returns \b true if the module spec fetched successfully,
2389  /// \b false otherwise.
2390  virtual bool GetModuleSpec(const FileSpec &module_file_spec,
2391  const ArchSpec &arch, ModuleSpec &module_spec);
2392 
2393  virtual void PrefetchModuleSpecs(llvm::ArrayRef<FileSpec> module_file_specs,
2394  const llvm::Triple &triple) {}
2395 
2396  /// Try to find the load address of a file.
2397  /// The load address is defined as the address of the first memory region
2398  /// what contains data mapped from the specified file.
2399  ///
2400  /// \param[in] file
2401  /// The name of the file whose load address we are looking for
2402  ///
2403  /// \param[out] is_loaded
2404  /// \b True if the file is loaded into the memory and false
2405  /// otherwise.
2406  ///
2407  /// \param[out] load_addr
2408  /// The load address of the file if it is loaded into the
2409  /// processes address space, LLDB_INVALID_ADDRESS otherwise.
2410  virtual Status GetFileLoadAddress(const FileSpec &file, bool &is_loaded,
2411  lldb::addr_t &load_addr) {
2412  return Status("Not supported");
2413  }
2414 
2415  size_t AddImageToken(lldb::addr_t image_ptr);
2416 
2417  lldb::addr_t GetImagePtrFromToken(size_t token) const;
2418 
2419  void ResetImageToken(size_t token);
2420 
2421  /// Find the next branch instruction to set a breakpoint on
2422  ///
2423  /// When instruction stepping through a source line, instead of stepping
2424  /// through each instruction, we can put a breakpoint on the next branch
2425  /// instruction (within the range of instructions we are stepping through)
2426  /// and continue the process to there, yielding significant performance
2427  /// benefits over instruction stepping.
2428  ///
2429  /// \param[in] default_stop_addr
2430  /// The address of the instruction where lldb would put a
2431  /// breakpoint normally.
2432  ///
2433  /// \param[in] range_bounds
2434  /// The range which the breakpoint must be contained within.
2435  /// Typically a source line.
2436  ///
2437  /// \return
2438  /// The address of the next branch instruction, or the end of
2439  /// the range provided in range_bounds. If there are any
2440  /// problems with the disassembly or getting the instructions,
2441  /// the original default_stop_addr will be returned.
2443  AddressRange range_bounds);
2444 
2445  /// Configure asynchronous structured data feature.
2446  ///
2447  /// Each Process type that supports using an asynchronous StructuredData
2448  /// feature should implement this to enable/disable/configure the feature.
2449  /// The default implementation here will always return an error indiciating
2450  /// the feature is unsupported.
2451  ///
2452  /// StructuredDataPlugin implementations will call this to configure a
2453  /// feature that has been reported as being supported.
2454  ///
2455  /// \param[in] type_name
2456  /// The StructuredData type name as previously discovered by
2457  /// the Process-derived instance.
2458  ///
2459  /// \param[in] config_sp
2460  /// Configuration data for the feature being enabled. This config
2461  /// data, which may be null, will be passed along to the feature
2462  /// to process. The feature will dictate whether this is a dictionary,
2463  /// an array or some other object. If the feature needs to be
2464  /// set up properly before it can be enabled, then the config should
2465  /// also take an enable/disable flag.
2466  ///
2467  /// \return
2468  /// Returns the result of attempting to configure the feature.
2469  virtual Status
2471  const StructuredData::ObjectSP &config_sp);
2472 
2473  /// Broadcasts the given structured data object from the given plugin.
2474  ///
2475  /// StructuredDataPlugin instances can use this to optionally broadcast any
2476  /// of their data if they want to make it available for clients. The data
2477  /// will come in on the structured data event bit
2478  /// (eBroadcastBitStructuredData).
2479  ///
2480  /// \param[in] object_sp
2481  /// The structured data object to broadcast.
2482  ///
2483  /// \param[in] plugin_sp
2484  /// The plugin that will be reported in the event's plugin
2485  /// parameter.
2486  void BroadcastStructuredData(const StructuredData::ObjectSP &object_sp,
2487  const lldb::StructuredDataPluginSP &plugin_sp);
2488 
2489  /// Returns the StructuredDataPlugin associated with a given type name, if
2490  /// there is one.
2491  ///
2492  /// There will only be a plugin for a given StructuredDataType if the
2493  /// debugged process monitor claims that the feature is supported. This is
2494  /// one way to tell whether a feature is available.
2495  ///
2496  /// \return
2497  /// The plugin if one is available for the specified feature;
2498  /// otherwise, returns an empty shared pointer.
2499  lldb::StructuredDataPluginSP
2500  GetStructuredDataPlugin(ConstString type_name) const;
2501 
2502 protected:
2503  friend class Trace;
2504  /// Get the processor tracing type supported for this process.
2505  /// Responses might be different depending on the architecture and
2506  /// capabilities of the underlying OS.
2507  ///
2508  /// \return
2509  /// The supported trace type or an \a llvm::Error if tracing is
2510  /// not supported for the inferior.
2511  virtual llvm::Expected<TraceSupportedResponse> TraceSupported();
2512 
2513  /// Start tracing a process or its threads.
2514  ///
2515  /// \param[in] request
2516  /// JSON object with the information necessary to start tracing. In the
2517  /// case of gdb-remote processes, this JSON object should conform to the
2518  /// jLLDBTraceStart packet.
2519  ///
2520  /// \return
2521  /// \a llvm::Error::success if the operation was successful, or
2522  /// \a llvm::Error otherwise.
2523  virtual llvm::Error TraceStart(const llvm::json::Value &request) {
2524  return llvm::make_error<UnimplementedError>();
2525  }
2526 
2527  /// Stop tracing a live process or its threads.
2528  ///
2529  /// \param[in] request
2530  /// The information determining which threads or process to stop tracing.
2531  ///
2532  /// \return
2533  /// \a llvm::Error::success if the operation was successful, or
2534  /// \a llvm::Error otherwise.
2535  virtual llvm::Error TraceStop(const TraceStopRequest &request) {
2536  return llvm::make_error<UnimplementedError>();
2537  }
2538 
2539  /// Get the current tracing state of the process and its threads.
2540  ///
2541  /// \param[in] type
2542  /// Tracing technology type to consider.
2543  ///
2544  /// \return
2545  /// A JSON object string with custom data depending on the trace
2546  /// technology, or an \a llvm::Error in case of errors.
2547  virtual llvm::Expected<std::string> TraceGetState(llvm::StringRef type) {
2548  return llvm::make_error<UnimplementedError>();
2549  }
2550 
2551  /// Get binary data given a trace technology and a data identifier.
2552  ///
2553  /// \param[in] request
2554  /// Object with the params of the requested data.
2555  ///
2556  /// \return
2557  /// A vector of bytes with the requested data, or an \a llvm::Error in
2558  /// case of failures.
2559  virtual llvm::Expected<std::vector<uint8_t>>
2561  return llvm::make_error<UnimplementedError>();
2562  }
2563 
2564  // This calls a function of the form "void * (*)(void)".
2565  bool CallVoidArgVoidPtrReturn(const Address *address,
2566  lldb::addr_t &returned_func,
2567  bool trap_exceptions = false);
2568 
2569  /// Update the thread list following process plug-in's specific logic.
2570  ///
2571  /// This method should only be invoked by \a UpdateThreadList.
2572  ///
2573  /// \return
2574  /// \b true if the new thread list could be generated, \b false otherwise.
2575  virtual bool DoUpdateThreadList(ThreadList &old_thread_list,
2576  ThreadList &new_thread_list) = 0;
2577 
2578  /// Actually do the reading of memory from a process.
2579  ///
2580  /// Subclasses must override this function and can return fewer bytes than
2581  /// requested when memory requests are too large. This class will break up
2582  /// the memory requests and keep advancing the arguments along as needed.
2583  ///
2584  /// \param[in] vm_addr
2585  /// A virtual load address that indicates where to start reading
2586  /// memory from.
2587  ///
2588  /// \param[in] size
2589  /// The number of bytes to read.
2590  ///
2591  /// \param[out] buf
2592  /// A byte buffer that is at least \a size bytes long that
2593  /// will receive the memory bytes.
2594  ///
2595  /// \param[out] error
2596  /// An error that indicates the success or failure of this
2597  /// operation. If error indicates success (error.Success()),
2598  /// then the value returned can be trusted, otherwise zero
2599  /// will be returned.
2600  ///
2601  /// \return
2602  /// The number of bytes that were actually read into \a buf.
2603  /// Zero is returned in the case of an error.
2604  virtual size_t DoReadMemory(lldb::addr_t vm_addr, void *buf, size_t size,
2605  Status &error) = 0;
2606 
2608 
2609  /// The "private" side of resuming a process. This doesn't alter the state
2610  /// of m_run_lock, but just causes the process to resume.
2611  ///
2612  /// \return
2613  /// An Status object describing the success or failure of the resume.
2615 
2616  // Called internally
2617  void CompleteAttach();
2618 
2619  /// Print a user-visible warning one time per Process
2620  ///
2621  /// A facility for printing a warning to the user once per repeat_key.
2622  ///
2623  /// warning_type is from the Process::Warnings enums. repeat_key is a
2624  /// pointer value that will be used to ensure that the warning message is
2625  /// not printed multiple times. For instance, with a warning about a
2626  /// function being optimized, you can pass the CompileUnit pointer to have
2627  /// the warning issued for only the first function in a CU, or the Function
2628  /// pointer to have it issued once for every function, or a Module pointer
2629  /// to have it issued once per Module.
2630  ///
2631  /// Classes outside Process should call a specific PrintWarning method so
2632  /// that the warning strings are all centralized in Process, instead of
2633  /// calling PrintWarning() directly.
2634  ///
2635  /// \param [in] warning_type
2636  /// One of the types defined in Process::Warnings.
2637  ///
2638  /// \param [in] repeat_key
2639  /// A pointer value used to ensure that the warning is only printed once.
2640  /// May be nullptr, indicating that the warning is printed unconditionally
2641  /// every time.
2642  ///
2643  /// \param [in] fmt
2644  /// printf style format string
2645  void PrintWarning(uint64_t warning_type, const void *repeat_key,
2646  const char *fmt, ...) __attribute__((format(printf, 4, 5)));
2647 
2648  // NextEventAction provides a way to register an action on the next event
2649  // that is delivered to this process. There is currently only one next event
2650  // action allowed in the process at one time. If a new "NextEventAction" is
2651  // added while one is already present, the old action will be discarded (with
2652  // HandleBeingUnshipped called after it is discarded.)
2653  //
2654  // If you want to resume the process as a result of a resume action, call
2655  // RequestResume, don't call Resume directly.
2657  public:
2661  eEventActionExit
2662  };
2663 
2664  NextEventAction(Process *process) : m_process(process) {}
2665 
2666  virtual ~NextEventAction() = default;
2667 
2668  virtual EventActionResult PerformAction(lldb::EventSP &event_sp) = 0;
2669  virtual void HandleBeingUnshipped() {}
2670  virtual EventActionResult HandleBeingInterrupted() = 0;
2671  virtual const char *GetExitString() = 0;
2673 
2674  protected:
2676  };
2677 
2679  if (m_next_event_action_up.get())
2680  m_next_event_action_up->HandleBeingUnshipped();
2681 
2682  m_next_event_action_up.reset(next_event_action);
2683  }
2684 
2685  // This is the completer for Attaching:
2687  public:
2688  AttachCompletionHandler(Process *process, uint32_t exec_count);
2689 
2690  ~AttachCompletionHandler() override = default;
2691 
2692  EventActionResult PerformAction(lldb::EventSP &event_sp) override;
2694  const char *GetExitString() override;
2695 
2696  private:
2699  };
2700 
2703  return state != lldb::eStateInvalid && state != lldb::eStateDetached &&
2705  }
2706 
2708 
2709  /// Loads any plugins associated with asynchronous structured data and maps
2710  /// the relevant supported type name to the plugin.
2711  ///
2712  /// Processes can receive asynchronous structured data from the process
2713  /// monitor. This method will load and map any structured data plugins that
2714  /// support the given set of supported type names. Later, if any of these
2715  /// features are enabled, the process monitor is free to generate
2716  /// asynchronous structured data. The data must come in as a single \b
2717  /// StructuredData::Dictionary. That dictionary must have a string field
2718  /// named 'type', with a value that equals the relevant type name string
2719  /// (one of the values in \b supported_type_names).
2720  ///
2721  /// \param[in] supported_type_names
2722  /// An array of zero or more type names. Each must be unique.
2723  /// For each entry in the list, a StructuredDataPlugin will be
2724  /// searched for that supports the structured data type name.
2726  const StructuredData::Array &supported_type_names);
2727 
2728  /// Route the incoming structured data dictionary to the right plugin.
2729  ///
2730  /// The incoming structured data must be a dictionary, and it must have a
2731  /// key named 'type' that stores a string value. The string value must be
2732  /// the name of the structured data feature that knows how to handle it.
2733  ///
2734  /// \param[in] object_sp
2735  /// When non-null and pointing to a dictionary, the 'type'
2736  /// key's string value is used to look up the plugin that
2737  /// was registered for that structured data type. It then
2738  /// calls the following method on the StructuredDataPlugin
2739  /// instance:
2740  ///
2741  /// virtual void
2742  /// HandleArrivalOfStructuredData(Process &process,
2743  /// ConstString type_name,
2744  /// const StructuredData::ObjectSP
2745  /// &object_sp)
2746  ///
2747  /// \return
2748  /// True if the structured data was routed to a plugin; otherwise,
2749  /// false.
2750  bool RouteAsyncStructuredData(const StructuredData::ObjectSP object_sp);
2751 
2752  /// Check whether the process supports memory tagging.
2753  ///
2754  /// \return
2755  /// true if the process supports memory tagging,
2756  /// false otherwise.
2757  virtual bool SupportsMemoryTagging() { return false; }
2758 
2759  /// Does the final operation to read memory tags. E.g. sending a GDB packet.
2760  /// It assumes that ReadMemoryTags has checked that memory tagging is enabled
2761  /// and has expanded the memory range as needed.
2762  ///
2763  /// \param[in] addr
2764  /// Start of address range to read memory tags for.
2765  ///
2766  /// \param[in] len
2767  /// Length of the memory range to read tags for (in bytes).
2768  ///
2769  /// \param[in] type
2770  /// Type of tags to read (get this from a MemoryTagManager)
2771  ///
2772  /// \return
2773  /// The packed tag data received from the remote or an error
2774  /// if the read failed.
2775  virtual llvm::Expected<std::vector<uint8_t>>
2776  DoReadMemoryTags(lldb::addr_t addr, size_t len, int32_t type) {
2777  return llvm::createStringError(
2778  llvm::inconvertibleErrorCode(),
2779  llvm::formatv("{0} does not support reading memory tags",
2780  GetPluginName()));
2781  }
2782 
2783  /// Does the final operation to write memory tags. E.g. sending a GDB packet.
2784  /// It assumes that WriteMemoryTags has checked that memory tagging is enabled
2785  /// and has packed the tag data.
2786  ///
2787  /// \param[in] addr
2788  /// Start of address range to write memory tags for.
2789  ///
2790  /// \param[in] len
2791  /// Length of the memory range to write tags for (in bytes).
2792  ///
2793  /// \param[in] type
2794  /// Type of tags to read (get this from a MemoryTagManager)
2795  ///
2796  /// \param[in] tags
2797  /// Packed tags to be written.
2798  ///
2799  /// \return
2800  /// Status telling you whether the write succeeded.
2801  virtual Status DoWriteMemoryTags(lldb::addr_t addr, size_t len, int32_t type,
2802  const std::vector<uint8_t> &tags) {
2803  Status status;
2804  status.SetErrorStringWithFormatv("{0} does not support writing memory tags",
2805  GetPluginName());
2806  return status;
2807  }
2808 
2809  // Type definitions
2810  typedef std::map<lldb::LanguageType, lldb::LanguageRuntimeSP>
2812  typedef std::unordered_set<const void *> WarningsPointerSet;
2813  typedef std::map<uint64_t, WarningsPointerSet> WarningsCollection;
2814 
2816  bool (*callback)(void *);
2817  void *baton;
2819  void *in_baton)
2820  : callback(in_callback), baton(in_baton) {}
2822  return callback == rhs.callback && baton == rhs.baton;
2823  }
2824  };
2825 
2826  using StructuredDataPluginMap =
2827  std::map<ConstString, lldb::StructuredDataPluginSP>;
2828 
2829  // Member variables
2830  std::weak_ptr<Target> m_target_wp; ///< The target that owns this process.
2834  m_private_state; // The actual state of our process
2835  Broadcaster m_private_state_broadcaster; // This broadcaster feeds state
2836  // changed events into the private
2837  // state thread's listener.
2839  // broadcaster, used to
2840  // pause, resume & stop the
2841  // private state thread.
2842  lldb::ListenerSP m_private_state_listener_sp; // This is the listener for the
2843  // private state thread.
2844  HostThread m_private_state_thread; ///< Thread ID for the thread that watches
2845  ///internal state events
2846  ProcessModID m_mod_id; ///< Tracks the state of the process over stops and
2847  ///other alterations.
2848  uint32_t m_process_unique_id; ///< Each lldb_private::Process class that is
2849  ///created gets a unique integer ID that
2850  ///increments with each new instance
2851  uint32_t m_thread_index_id; ///< Each thread is created with a 1 based index
2852  ///that won't get re-used.
2853  std::map<uint64_t, uint32_t> m_thread_id_to_index_id_map;
2854  int m_exit_status; ///< The exit status of the process, or -1 if not set.
2855  std::string m_exit_string; ///< A textual description of why a process exited.
2856  std::mutex m_exit_status_mutex; ///< Mutex so m_exit_status m_exit_string can
2857  ///be safely accessed from multiple threads
2858  std::recursive_mutex m_thread_mutex;
2859  ThreadList m_thread_list_real; ///< The threads for this process as are known
2860  ///to the protocol we are debugging with
2861  ThreadList m_thread_list; ///< The threads for this process as the user will
2862  ///see them. This is usually the same as
2863  ///< m_thread_list_real, but might be different if there is an OS plug-in
2864  ///creating memory threads
2865  ThreadPlanStackMap m_thread_plans; ///< This is the list of thread plans for
2866  /// threads in m_thread_list, as well as
2867  /// threads we knew existed, but haven't
2868  /// determined that they have died yet.
2869  ThreadList m_extended_thread_list; ///< Owner for extended threads that may be
2870  ///generated, cleared on natural stops
2871  uint32_t m_extended_thread_stop_id; ///< The natural stop id when
2872  ///extended_thread_list was last updated
2873  QueueList
2874  m_queue_list; ///< The list of libdispatch queues at a given stop point
2875  uint32_t m_queue_list_stop_id; ///< The natural stop id when queue list was
2876  ///last fetched
2877  std::vector<Notifications> m_notifications; ///< The list of notifications
2878  ///that this process can deliver.
2879  std::vector<lldb::addr_t> m_image_tokens;
2880  lldb::ListenerSP m_listener_sp; ///< Shared pointer to the listener used for
2881  ///public events. Can not be empty.
2882  BreakpointSiteList m_breakpoint_site_list; ///< This is the list of breakpoint
2883  ///locations we intend to insert in
2884  ///the target.
2885  lldb::DynamicLoaderUP m_dyld_up;
2886  lldb::JITLoaderListUP m_jit_loaders_up;
2887  lldb::DynamicCheckerFunctionsUP m_dynamic_checkers_up; ///< The functions used
2888  /// by the expression
2889  /// parser to validate
2890  /// data that
2891  /// expressions use.
2892  lldb::OperatingSystemUP m_os_up;
2893  lldb::SystemRuntimeUP m_system_runtime_up;
2894  lldb::UnixSignalsSP
2895  m_unix_signals_sp; /// This is the current signal set for this process.
2896  lldb::ABISP m_abi_sp;
2897  lldb::IOHandlerSP m_process_input_reader;
2899  std::recursive_mutex m_stdio_communication_mutex;
2900  bool m_stdin_forward; /// Remember if stdin must be forwarded to remote debug
2901  /// server
2904  std::recursive_mutex m_profile_data_comm_mutex;
2905  std::vector<std::string> m_profile_data;
2909  bool m_should_detach; /// Should we detach if the process object goes away
2910  /// with an explicit call to Kill or Detach?
2912  std::recursive_mutex m_language_runtimes_mutex;
2914  std::unique_ptr<NextEventAction> m_next_event_action_up;
2915  std::vector<PreResumeCallbackAndBaton> m_pre_resume_actions;
2919  bool m_resume_requested; // If m_currently_handling_event or
2920  // m_currently_handling_do_on_removals are true,
2921  // Resume will only request a resume, using this
2922  // flag to check.
2923 
2924  /// This is set at the beginning of Process::Finalize() to stop functions
2925  /// from looking up or creating things during or after a finalize call.
2926  std::atomic<bool> m_finalizing;
2927 
2928  /// Mask for code an data addresses. The default value (0) means no mask is
2929  /// set. The bits set to 1 indicate bits that are NOT significant for
2930  /// addressing.
2931  /// @{
2934  /// @}
2935 
2938  lldb::StateType m_last_broadcast_state; /// This helps with the Public event
2939  /// coalescing in
2940  /// ShouldBroadcastEvent.
2941  std::map<lldb::addr_t, lldb::addr_t> m_resolved_indirect_addresses;
2943  bool m_can_interpret_function_calls; // Some targets, e.g the OSX kernel,
2944  // don't support the ability to modify
2945  // the stack.
2946  WarningsCollection m_warnings_issued; // A set of object pointers which have
2947  // already had warnings printed
2950 
2952 
2953  std::unique_ptr<UtilityFunction> m_dlopen_utility_func_up;
2955 
2956  size_t RemoveBreakpointOpcodesFromBuffer(lldb::addr_t addr, size_t size,
2957  uint8_t *buf) const;
2958 
2960 
2961  void SetPublicState(lldb::StateType new_state, bool restarted);
2962 
2963  void SetPrivateState(lldb::StateType state);
2964 
2965  bool StartPrivateStateThread(bool is_secondary_thread = false);
2966 
2967  void StopPrivateStateThread();
2968 
2969  void PausePrivateStateThread();
2970 
2971  void ResumePrivateStateThread();
2972 
2973 private:
2977  Process *process;
2979  };
2980 
2981  // arg is a pointer to a new'ed PrivateStateThreadArgs structure.
2982  // PrivateStateThread will free it for you.
2983  static lldb::thread_result_t PrivateStateThread(void *arg);
2984 
2985  // The starts up the private state thread that will watch for events from the
2986  // debugee. Pass true for is_secondary_thread in the case where you have to
2987  // temporarily spin up a secondary state thread to handle events from a hand-
2988  // called function on the primary private state thread.
2989 
2990  lldb::thread_result_t RunPrivateStateThread(bool is_secondary_thread);
2991 
2992 protected:
2993  void HandlePrivateEvent(lldb::EventSP &event_sp);
2994 
2995  Status HaltPrivate();
2996 
2997  lldb::StateType WaitForProcessStopPrivate(lldb::EventSP &event_sp,
2998  const Timeout<std::micro> &timeout);
2999 
3000  // This waits for both the state change broadcaster, and the control
3001  // broadcaster. If control_only, it only waits for the control broadcaster.
3002 
3003  bool GetEventsPrivate(lldb::EventSP &event_sp,
3004  const Timeout<std::micro> &timeout, bool control_only);
3005 
3007  GetStateChangedEventsPrivate(lldb::EventSP &event_sp,
3008  const Timeout<std::micro> &timeout);
3009 
3010  size_t WriteMemoryPrivate(lldb::addr_t addr, const void *buf, size_t size,
3011  Status &error);
3012 
3013  void AppendSTDOUT(const char *s, size_t len);
3014 
3015  void AppendSTDERR(const char *s, size_t len);
3016 
3017  void BroadcastAsyncProfileData(const std::string &one_profile_data);
3018 
3019  static void STDIOReadThreadBytesReceived(void *baton, const void *src,
3020  size_t src_len);
3021 
3022  bool PushProcessIOHandler();
3023 
3024  bool PopProcessIOHandler();
3025 
3026  bool ProcessIOHandlerIsActive();
3027 
3028  bool ProcessIOHandlerExists() const {
3029  return static_cast<bool>(m_process_input_reader);
3030  }
3031 
3032  Status StopForDestroyOrDetach(lldb::EventSP &exit_event_sp);
3033 
3035 
3036  void LoadOperatingSystemPlugin(bool flush);
3037 
3038 private:
3039  Status DestroyImpl(bool force_kill);
3040 
3041  /// This is the part of the event handling that for a process event. It
3042  /// decides what to do with the event and returns true if the event needs to
3043  /// be propagated to the user, and false otherwise. If the event is not
3044  /// propagated, this call will most likely set the target to executing
3045  /// again. There is only one place where this call should be called,
3046  /// HandlePrivateEvent. Don't call it from anywhere else...
3047  ///
3048  /// \param[in] event_ptr
3049  /// This is the event we are handling.
3050  ///
3051  /// \return
3052  /// Returns \b true if the event should be reported to the
3053  /// user, \b false otherwise.
3054  bool ShouldBroadcastEvent(Event *event_ptr);
3055 
3056  void ControlPrivateStateThread(uint32_t signal);
3057 
3058  Process(const Process &) = delete;
3059  const Process &operator=(const Process &) = delete;
3060 };
3061 
3062 /// RAII guard that should be acquired when an utility function is called within
3063 /// a given process.
3066 
3067 public:
3069  if (m_process)
3071  }
3073  if (m_process)
3075  }
3076 };
3077 
3078 } // namespace lldb_private
3079 
3080 #endif // LLDB_TARGET_PROCESS_H
lldb_private::Process::ProcessEventData::m_interrupted
bool m_interrupted
Definition: Process.h:475
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:5891
lldb_private::Process::IsValid
bool IsValid() const
Return whether this object is valid (i.e.
Definition: Process.h:570
lldb_private::Process::LoadModules
virtual llvm::Error LoadModules()
Sometimes processes know how to retrieve and load shared libraries.
Definition: Process.h:672
lldb_private::Process::AttachCompletionHandler::GetExitString
const char * GetExitString() override
Definition: Process.cpp:2713
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:108
lldb_private::ProcessProperties::GetInterruptTimeout
std::chrono::seconds GetInterruptTimeout() const
Definition: Process.cpp:314
lldb_private::Process::StopLocker
ProcessRunLock::ProcessRunLocker StopLocker
Definition: Process.h:378
lldb_private::ProcessLaunchInfo::GetDetachOnError
bool GetDetachOnError() const
Definition: ProcessLaunchInfo.h:146
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:2848
lldb_private::UtilityFunctionScope::~UtilityFunctionScope
~UtilityFunctionScope()
Definition: Process.h:3072
lldb_private::Process::PrintWarningOptimization
void PrintWarningOptimization(const SymbolContext &sc)
Print a user-visible warning about a module being built with optimization.
Definition: Process.cpp:5716
lldb_private::Process::StartPrivateStateThread
bool StartPrivateStateThread(bool is_secondary_thread=false)
Definition: Process.cpp:3465
lldb_private::ProcessProperties::GetDisableMemoryCache
bool GetDisableMemoryCache() const
Definition: Process.cpp:189
lldb_private::Process::ProcessEventData::m_restarted_reasons
std::vector< std::string > m_restarted_reasons
Definition: Process.h:471
lldb_private::ExecutionContext
Definition: ExecutionContext.h:292
lldb_private::Process::eBroadcastInternalStateControlStop
@ eBroadcastInternalStateControlStop
Definition: Process.h:363
lldb_private::Process::m_can_interpret_function_calls
bool m_can_interpret_function_calls
Definition: Process.h:2943
lldb_private::Process::m_can_jit
enum lldb_private::Process::@34 m_can_jit
lldb_private::Process::WillLaunch
virtual Status WillLaunch(Module *module)
Called before launching to a process.
Definition: Process.h:1005
lldb_private::Process::m_profile_data
std::vector< std::string > m_profile_data
Definition: Process.h:2905
lldb_private::ProcessProperties::SetOSPluginReportsAllThreads
void SetOSPluginReportsAllThreads(bool does_report)
Definition: Process.cpp:340
lldb_private::Process::m_public_state
ThreadSafeValue< lldb::StateType > m_public_state
Definition: Process.h:2832
lldb_private::Process::m_target_wp
std::weak_ptr< Target > m_target_wp
The target that owns this process.
Definition: Process.h:2830
lldb_private::ProcessModID::GetStopID
uint32_t GetStopID() const
Definition: Process.h:257
lldb_private::Process::GetShouldDetach
bool GetShouldDetach() const
Definition: Process.h:731
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:5463
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:2257
lldb_private::Process::eWarningsOptimization
@ eWarningsOptimization
Definition: Process.h:369
lldb_private::ArchSpec
Definition: ArchSpec.h:33
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:2209
lldb_private::Process::NextEventAction::eEventActionRetry
@ eEventActionRetry
Definition: Process.h:2660
lldb_private::Process::DeallocateMemory
Status DeallocateMemory(lldb::addr_t ptr)
The public interface to deallocating memory in the process.
Definition: Process.cpp:2328
lldb_private::Process::GetStatus
void GetStatus(Stream &ostrm)
Definition: Process.cpp:5443
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bool m_should_detach
Definition: Process.h:2909
lldb_private::Process::m_allocated_memory_cache
AllocatedMemoryCache m_allocated_memory_cache
Definition: Process.h:2908
lldb_private::Process::DidAttach
virtual void DidAttach(ArchSpec &process_arch)
Called after attaching a process.
Definition: Process.h:976
lldb_private::ProcessProperties::GetWarningsOptimization
bool GetWarningsOptimization() const
Definition: Process.cpp:289
lldb_private::Process::RefreshStateAfterStop
virtual void RefreshStateAfterStop()=0
Currently called as part of ShouldStop.
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ProcessProperties(lldb_private::Process *process)
Definition: Process.cpp:158
lldb_private::Process::eBroadcastInternalStateControlResume
@ eBroadcastInternalStateControlResume
Definition: Process.h:365
lldb_private::Process::m_thread_list
ThreadList m_thread_list
The threads for this process as the user will see them.
Definition: Process.h:2861
lldb_private::Process::DestroyRequiresHalt
virtual bool DestroyRequiresHalt()
Definition: Process.h:1165
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:2900
lldb_private::ProcessModID::IsValid
bool IsValid() const
Definition: Process.h:275
lldb_private::TraceGetBinaryDataRequest
jLLDBTraceGetBinaryData gdb-remote packet
Definition: TraceGDBRemotePackets.h:132
lldb_private::Process::PrivateStateThreadIsValid
bool PrivateStateThreadIsValid() const
Definition: Process.h:2701
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Status StopForDestroyOrDetach(lldb::EventSP &exit_event_sp)
Definition: Process.cpp:3099
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Definition: Event.h:180
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:1925
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QueueIterable Queues()
Iterate over the list of queues.
Definition: QueueList.h:60
lldb_private::Process::SendAsyncInterrupt
void SendAsyncInterrupt()
Definition: Process.cpp:3585
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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:93
lldb_private::Process::GetResumeID
uint32_t GetResumeID() const
Definition: Process.h:1367
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size_t RemoveBreakpointOpcodesFromBuffer(lldb::addr_t addr, size_t size, uint8_t *buf) const
Definition: Process.cpp:1718
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Definition: JITLoaderList.h:22
lldb_private::Process::m_memory_cache
MemoryCache m_memory_cache
Definition: Process.h:2907
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static bool GetInterruptedFromEvent(const Event *event_ptr)
Definition: Process.cpp:4135
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uint32_t m_resume_count
Definition: Process.h:199
lldb_private::Process::ProcessEventData::SetInterrupted
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Definition: Process.h:463
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Definition: Process.cpp:2215
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static lldb::StateType GetStateFromEvent(const Event *event_ptr)
Definition: Process.cpp:4082
lldb_private::Process::DidVForkDone
virtual void DidVForkDone()
Called after reported vfork completion.
Definition: Process.h:997
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void Clear()
Definition: ProcessInfo.h:116
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bool ProcessIOHandlerExists() const
Definition: Process.h:3028
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Definition: StructuredData.h:165
lldb_private::Process::SetRunningUserExpression
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Definition: Process.cpp:1476
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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:393
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FileSpec GetPythonOSPluginPath() const
Definition: Process.cpp:213
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virtual JITLoaderList & GetJITLoaders()
Definition: Process.cpp:2627
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:2926
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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:384
lldb_private::Process::GetEventsPrivate
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Definition: Process.cpp:1016
lldb_private::Process::DidSignal
virtual void DidSignal()
Called after sending a signal to a process.
Definition: Process.h:1171
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Process * m_process
Definition: Process.h:3065
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:1633
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lldb_private::Process::m_private_state
ThreadSafeValue< lldb::StateType > m_private_state
Definition: Process.h:2834
lldb_private::Process::m_force_next_event_delivery
bool m_force_next_event_delivery
Definition: Process.h:2937
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:2871
lldb_private::Process::GetExitDescription
const char * GetExitDescription()
Get a textual description of what the process exited.
Definition: Process.cpp:1041
lldb_private::Process::eBroadcastBitSTDOUT
@ eBroadcastBitSTDOUT
Definition: Process.h:356
lldb_private::ProcessModID::MemoryIDEqual
bool MemoryIDEqual(const ProcessModID &compare) const
Definition: Process.h:265
lldb_private::Process::GetPrivateState
lldb::StateType GetPrivateState()
Definition: Process.cpp:1413
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:2801
InstrumentationRuntime.h
lldb_private::Process::GetLastNaturalStopID
uint32_t GetLastNaturalStopID() const
Definition: Process.h:1373
lldb_private::Process::PrivateResume
Status PrivateResume()
The "private" side of resuming a process.
Definition: Process.cpp:3001
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ExpressionResults
The results of expression evaluation.
Definition: lldb-enumerations.h:270
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Definition: PluginInterface.h:16
lldb_private::Process::m_iohandler_sync
Predicate< uint32_t > m_iohandler_sync
Definition: Process.h:2906
lldb_private::ProcessProperties::~ProcessProperties
~ProcessProperties() override
lldb_private::Process::EnableSoftwareBreakpoint
virtual Status EnableSoftwareBreakpoint(BreakpointSite *bp_site)
Definition: Process.cpp:1755
lldb_private::Process::ModulesDidLoad
virtual void ModulesDidLoad(ModuleList &module_list)
Definition: Process.cpp:5652
lldb_private::Process::PruneThreadPlans
void PruneThreadPlans()
Prune ThreadPlanStacks for all unreported threads.
Definition: Process.cpp:1233
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:1237
lldb_private::ProcessProperties::GetOSPluginReportsAllThreads
bool GetOSPluginReportsAllThreads() const
Definition: Process.cpp:327
ProcessLaunchInfo.h
lldb_private::Process::GetQueueList
QueueList & GetQueueList()
Definition: Process.h:2101
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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:2171
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Definition: Process.cpp:5513
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Definition: Process.h:2938
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Definition: Process.cpp:998
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Check if a plug-in instance can debug the file in module.
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Definition: Process.cpp:307
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Definition: Process.h:338
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Definition: Process.h:680
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Definition: Event.h:36
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Definition: Process.h:938
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Definition: Process.cpp:5857
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Definition: Process.h:1206
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Definition: Process.h:2911
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Definition: Process.h:2311
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Definition: Process.cpp:261
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Definition: lldb-enumerations.h:436
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Sets whether executing function calls using the interpreter is possible for this process.
Definition: Process.h:1866
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Definition: Process.h:187
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Definition: Process.h:2903
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Definition: Module.h:85
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Definition: Process.cpp:2071
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Definition: SystemRuntime.h:43
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Definition: Process.cpp:5995
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Definition: ProcessInfo.h:67
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Definition: Process.h:1377
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Definition: Process.cpp:244
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Definition: Process.cpp:5537
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ProcessModID GetModID() const
Get the Modification ID of the process.
Definition: Process.h:1361
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Definition: Process.h:2897
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lldb_private::Process::DoDetach
virtual Status DoDetach(bool keep_stopped)
Detaches from a running or stopped process.
Definition: Process.h:1120
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Definition: MemoryRegionInfo.h:21
lldb_private::Process::DoConnectRemote
virtual Status DoConnectRemote(llvm::StringRef remote_url)
Attach to a remote system via a URL.
Definition: Process.h:918
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Definition: Process.h:369
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Subclasses of Process should implement this function if they need to do anything after a process exec...
Definition: Process.h:988
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Definition: Process.h:2815
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Definition: Process.h:2856
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Definition: Status.h:173
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Does the final operation to read memory tags.
Definition: Process.h:2776
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virtual bool IsAlive()
Check if a process is still alive.
Definition: Process.cpp:1084
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lldb::DynamicCheckerFunctionsUP m_dynamic_checkers_up
The functions used by the expression parser to validate data that expressions use.
Definition: Process.h:2887
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virtual Status DoHalt(bool &caused_stop)
Halts a running process.
Definition: Process.h:1094
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Get binary data given a trace technology and a data identifier.
Definition: Process.h:2560
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Definition: Process.cpp:4197
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Definition: Process.cpp:3853
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Warnings
Process warning types.
Definition: Process.h:369
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Definition: Process.h:2842
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Definition: Process.h:2978
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bool GetDetachKeepsStopped() const
Definition: Process.cpp:278
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Definition: Stream.h:28
lldb_private::Process::SetID
void SetID(lldb::pid_t new_pid)
Sets the stored pid.
Definition: Process.h:543
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Definition: Process.h:2974
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size_t ReadCStringFromMemory(lldb::addr_t vm_addr, char *cstr, size_t cstr_max_len, Status &error)
Read a NULL terminated C string from memory.
Definition: Process.cpp:1988
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Definition: Args.h:33
lldb_private::Process::Halt
Status Halt(bool clear_thread_plans=false, bool use_run_lock=true)
Halts a running process.
Definition: Process.cpp:3058
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uint64_t addr_t
Definition: lldb-types.h:83
lldb_private::Process::ProcessEventData::~ProcessEventData
~ProcessEventData() override
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Definition: Process.h:2895
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ProcessRunLock & GetRunLock()
Definition: Process.cpp:5547
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bool UpdateThreadList(ThreadList &old_thread_list, ThreadList &new_thread_list)
Update the thread list.
Definition: Process.cpp:1132
lldb_private::Process::FindThreadPlans
ThreadPlanStack * FindThreadPlans(lldb::tid_t tid)
Find the thread plan stack associated with thread with tid.
Definition: Process.cpp:1225
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void SetPrivateState(lldb::StateType state)
Definition: Process.cpp:1415
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@ eBroadcastBitInterrupt
Definition: Process.h:355
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Definition: Process.cpp:250
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Definition: Process.h:208
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Definition: Process.h:189
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Definition: Process.h:465
lldb_private::Process::WriteMemory
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Write memory to a process.
Definition: Process.cpp:2118
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Definition: Process.cpp:4472
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Definition: Process.h:2953
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Definition: Process.h:143
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Definition: SymbolContext.h:33
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Definition: Target.h:452
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:5730
lldb_private::Process::WillDetach
virtual Status WillDetach()
Called before detaching from a process.
Definition: Process.h:1113
lldb_private::Process::RestoreProcessEvents
void RestoreProcessEvents()
Restores the process event broadcasting to its normal state.
Definition: Process.cpp:952
lldb_private::Process::TraceStart
virtual llvm::Error TraceStart(const llvm::json::Value &request)
Start tracing a process or its threads.
Definition: Process.h:2523
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uint32_t m_last_user_expression_resume
Definition: Process.h:319
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void SynchronouslyNotifyStateChanged(lldb::StateType state)
Definition: Process.cpp:592
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void BroadcastAsyncProfileData(const std::string &one_profile_data)
Definition: Process.cpp:4204
lldb_private::Process::WarnBeforeDetach
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Before lldb detaches from a process, it warns the user that they are about to lose their debug sessio...
Definition: Process.h:1414
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lldb::thread_result_t RunPrivateStateThread(bool is_secondary_thread)
Definition: Process.cpp:3726
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virtual llvm::StringRef GetPluginName()=0
lldb_private::Process::ProcessEventData::GetInterrupted
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Definition: Process.h:426
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@ eBroadcastBitSTDERR
Definition: Process.h:357
lldb_private::Process::LanguageRuntimeCollection
std::map< lldb::LanguageType, lldb::LanguageRuntimeSP > LanguageRuntimeCollection
Definition: Process.h:2811
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:2280
lldb_private::Process::GetAsyncProfileData
virtual size_t GetAsyncProfileData(char *buf, size_t buf_size, Status &error)
Get any available profile data.
Definition: Process.cpp:4227
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Definition: Process.cpp:5776
lldb_private::Process::PrefetchModuleSpecs
virtual void PrefetchModuleSpecs(llvm::ArrayRef< FileSpec > module_file_specs, const llvm::Triple &triple)
Definition: Process.h:2393
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virtual void DidExec()
Called after a process re-execs itself.
Definition: Process.cpp:5588
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Get accessor for the current process state.
Definition: Process.cpp:1294
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Definition: Process.h:153
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Definition: Process.h:2106
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size_t ReadMemoryFromInferior(lldb::addr_t vm_addr, void *buf, size_t size, Status &error)
Read of memory from a process.
Definition: Process.cpp:2034
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@ eStateExited
Process has exited and can't be examined.
Definition: lldb-enumerations.h:90
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Definition: Process.h:2675
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Definition: Process.h:2127
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Definition: Process.cpp:2717
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Definition: Process.h:2656
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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:3282
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Definition: Process.cpp:5554
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Determines whether executing JIT-compiled code in this process is possible.
Definition: Process.cpp:2290
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Definition: Process.h:259
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Definition: Process.cpp:1480
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Status DestroyImpl(bool force_kill)
Definition: Process.cpp:3212
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Definition: Process.cpp:1589
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static void SetInterruptedInEvent(Event *event_ptr, bool new_value)
Definition: Process.cpp:4144
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Definition: Communication.h:84
lldb_private::Process::HijackProcessEvents
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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:944
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Definition: UserSettingsController.h:33
lldb_private::Process::HandleProcessStateChangedEvent
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Centralize the code that handles and prints descriptions for process state changes.
Definition: Process.cpp:713
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FollowForkMode GetFollowForkMode() const
Definition: Process.cpp:350
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size_t WriteMemoryPrivate(lldb::addr_t addr, const void *buf, size_t size, Status &error)
Definition: Process.cpp:2102
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Route the incoming structured data dictionary to the right plugin.
Definition: Process.cpp:5966
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virtual Status WillAttachToProcessWithID(lldb::pid_t pid)
Called before attaching to a process.
Definition: Process.h:898
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@ eBroadcastBitProfileData
Definition: Process.h:358
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Definition: Trace.h:46
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Definition: Address.cpp:999
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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:5622
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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:2831
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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:2547
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The list of notifications that this process can deliver.
Definition: Process.h:2877
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Definition: Process.cpp:5535
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void Flush()
Flush all data in the process.
Definition: Process.cpp:5560
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bool HasAssignedIndexIDToThread(uint64_t sb_thread_id)
Definition: Process.cpp:1275
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Mask for code an data addresses.
Definition: Process.h:2932
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Dump all the thread plans for this process.
Definition: Process.cpp:1244
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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:3310
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Definition: Process.h:2976
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HostThread.h
lldb_private::Process::HandlePrivateEvent
void HandlePrivateEvent(lldb::EventSP &event_sp)
Definition: Process.cpp:3593
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Definition: Process.cpp:2845
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Definition: Process.h:472
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lldb::ProcessSP GetProcessSP() const
Definition: Process.h:413
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Unregister for process and thread notifications.
Definition: Process.cpp:579
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Definition: BreakpointSite.h:35
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Definition: ProcessRunLock.h:25
lldb_private::Process::CallVoidArgVoidPtrReturn
bool CallVoidArgVoidPtrReturn(const Address *address, lldb::addr_t &returned_func, bool trap_exceptions=false)
Definition: Process.cpp:6018
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lldb_private::ProcessProperties::SetPythonOSPluginPath
void SetPythonOSPluginPath(const FileSpec &file)
Definition: Process.cpp:228
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DynamicCheckerFunctions * GetDynamicCheckers()
Definition: Process.h:2219
lldb_private::Process::ProcessEventData::m_state
lldb::StateType m_state
Definition: Process.h:470
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Definition: Process.h:2083
lldb_private::Process::GetSoftwareBreakpointTrapOpcode
size_t GetSoftwareBreakpointTrapOpcode(BreakpointSite *bp_site)
Definition: Process.cpp:1748
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Definition: Process.cpp:295
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Definition: ProcessLaunchInfo.h:31
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Definition: DataExtractor.h:48
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Definition: ModuleList.h:79
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virtual bool IsLiveDebugSession() const
Definition: Process.h:1403
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Definition: ExecutionContextScope.h:32
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void LoadOperatingSystemPlugin(bool flush)
Definition: Process.cpp:2427
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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:4063
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bool GetIgnoreBreakpointsInExpressions() const
Definition: Process.cpp:233
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static void STDIOReadThreadBytesReceived(void *baton, const void *src, size_t src_len)
Definition: Process.cpp:4290
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virtual llvm::Error TraceStop(const TraceStopRequest &request)
Stop tracing a live process or its threads.
Definition: Process.h:2535
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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:6011
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lldb::EventSP m_last_natural_stop_event
Definition: Process.h:322
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void SetDataAddressMask(lldb::addr_t data_address_mask)
Definition: Process.h:1353
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virtual Status DisableSoftwareBreakpoint(BreakpointSite *bp_site)
Definition: Process.cpp:1831
UnimplementedError.h
lldb_private::Process::StructuredDataPluginMap
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Definition: Process.h:2827
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Definition: Process.h:2854
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Definition: Process.h:2707
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Definition: Watchpoint.h:24
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NextEventAction(Process *process)
Definition: Process.h:2664
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:1282
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lldb_private::Process::IsRunning
bool IsRunning() const
Definition: Process.cpp:1029
lldb_private::Process::GetCodeAddressMask
lldb::addr_t GetCodeAddressMask()
Definition: Process.cpp:5568
lldb_private::Process::WillAttachToProcessWithName
virtual Status WillAttachToProcessWithName(const char *process_name, bool wait_for_launch)
Called before attaching to a process.
Definition: Process.h:906
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static ConstString GetFlavorString()
Definition: Process.cpp:3865
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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:1603
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lldb::DynamicLoaderUP m_dyld_up
Definition: Process.h:2885
lldb_private::Process::GetMemoryRegionInfo
virtual Status GetMemoryRegionInfo(lldb::addr_t load_addr, MemoryRegionInfo &range_info)
Locate the memory region that contains load_addr.
Definition: Process.h:1782
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Definition: Process.h:400
lldb_private::Process::m_mod_id
ProcessModID m_mod_id
Tracks the state of the process over stops and other alterations.
Definition: Process.h:2846
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static const char * ExecutionResultAsCString(lldb::ExpressionResults result)
Definition: Process.cpp:5406
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virtual bool SetExitStatus(int exit_status, const char *cstr)
Set accessor for the process exit status (return code).
Definition: Process.cpp:1049
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Definition: Process.cpp:4074
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Definition: MemoryRegionInfo.h:164
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Definition: Process.cpp:301
lldb_private::Process::ConfigureStructuredData
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Configure asynchronous structured data feature.
Definition: Process.cpp:5883
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Definition: Process.h:315
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Definition: Process.h:2816
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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:510
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Check whether the process supports memory tagging.
Definition: Process.h:2757
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Definition: Process.h:474
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Definition: Process.h:2975
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Definition: Process.h:135
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Definition: Process.cpp:4090
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Definition: Process.h:1199
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Definition: Process.cpp:1271
lldb_private::Process::RemoveOwnerFromBreakpointSite
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Definition: Process.cpp:1706
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uint32_t GetAddressByteSize() const
Definition: Process.cpp:3306
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Definition: ThreadList.h:26
lldb_private::Process::AddPreResumeAction
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Definition: Process.cpp:5518
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Definition: ConstString.h:40
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:3204
lldb_private::Process::SaveCore
virtual llvm::Expected< bool > SaveCore(llvm::StringRef outfile)
Save core dump into the specified file.
Definition: Process.cpp:2623
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lldb::StateType GetState() const
Definition: Process.h:415
lldb_private::Process::GetAuxvData
virtual DataExtractor GetAuxvData()
Definition: Process.cpp:2621
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:1104
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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:2914
lldb_private::ProcessProperties::GetSteppingRunsAllThreads
bool GetSteppingRunsAllThreads() const
Definition: Process.cpp:321
lldb_private::Process::UpdateThreadListIfNeeded
void UpdateThreadListIfNeeded()
Definition: Process.cpp:1138
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:2875
lldb_private::Process::m_run_thread_plan_lock
std::mutex m_run_thread_plan_lock
Definition: Process.h:2948
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:2896
lldb_private::Process::m_public_run_lock
ProcessRunLock m_public_run_lock
Definition: Process.h:2916
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Definition: OperatingSystem.h:27
PluginInterface.h
lldb_private::Range
Definition: Process.h:61
lldb_private::Process::GetGlobalProperties
static ProcessProperties & GetGlobalProperties()
Definition: Process.cpp:502
lldb_private::ProcessLaunchInfo::GetListener
lldb::ListenerSP GetListener() const
Definition: ProcessLaunchInfo.h:128
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Definition: DynamicLoader.h:52
lldb::eStateDetached
@ eStateDetached
Process has been detached and can't be examined.
Definition: lldb-enumerations.h:89
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:1985
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EventActionResult HandleBeingInterrupted() override
Definition: Process.cpp:2709
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:6073
lldb_private::Process::Attach
virtual Status Attach(ProcessAttachInfo &attach_info)
Attach to an existing process using the process attach info.
Definition: Process.cpp:2724
lldb_private::ProcessAttachInfo::SetHijackListener
void SetHijackListener(const lldb::ListenerSP &listener_sp)
Definition: Process.h:178
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Definition: Process.h:2858
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Definition: Process.h:2954
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HostThread m_private_state_thread
Thread ID for the thread that watches internal state events.
Definition: Process.h:2844
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Definition: Debugger.h:70
lldb_private::Process::GetHistoryThreads
lldb::ThreadCollectionSP GetHistoryThreads(lldb::addr_t addr)
Definition: Process.cpp:5759
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Status ResumeSynchronous(Stream *stream)
Definition: Process.cpp:1358
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bool PruneThreadPlansForTID(lldb::tid_t tid)
Prune ThreadPlanStacks for unreported threads.
Definition: Process.cpp:1229
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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:2304
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Definition: LanguageRuntime.h:60
lldb_private::Process::WarningsPointerSet
std::unordered_set< const void * > WarningsPointerSet
Definition: Process.h:2812
ThreadList.h
lldb_private::Process::WillResume
virtual Status WillResume()
Called before resuming to a process.
Definition: Process.h:1042
lldb_private::Process::GetDynamicLoader
virtual DynamicLoader * GetDynamicLoader()
Get the dynamic loader plug-in for this process.
Definition: Process.cpp:2615
lldb_private::Process::m_currently_handling_do_on_removals
bool m_currently_handling_do_on_removals
Definition: Process.h:2918
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
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~AttachCompletionHandler() override=default
Communication.h
lldb_private::ProcessModID::BumpStopID
uint32_t BumpStopID()
Definition: Process.h:238
lldb_private::Process::ProcessEventData::GetRestarted
bool GetRestarted() const
Definition: Process.h:416
lldb_private::ProcessAttachInfo::GetAsync
bool GetAsync() const
Definition: Process.h:133
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@ eCanJITNo
Definition: Process.h:2951
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std::string m_exit_string
A textual description of why a process exited.
Definition: Process.h:2855
lldb_private::Process::SetUnixSignals
void SetUnixSignals(lldb::UnixSignalsSP &&signals_sp)
Definition: Process.cpp:3292
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virtual void DidHalt()
Called after halting a process.
Definition: Process.h:1104
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Communication m_stdio_communication
Definition: Process.h:2898
lldb_private::Process::DidLaunch
virtual void DidLaunch()
Called after launching a process.
Definition: Process.h:1034
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Process * m_process
Definition: Process.h:105
lldb_private::Process::GetUnixSignals
const lldb::UnixSignalsSP & GetUnixSignals()
Definition: Process.cpp:3297
Event.h
LoadedModuleInfoList.h
lldb_private::Process::SendEventData
virtual Status SendEventData(const char *data)
Definition: Process.h:2362
lldb_private::Process::WillHalt
virtual Status WillHalt()
Called before halting to a process.
Definition: Process.h:1077
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Definition: Process.cpp:3520
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Definition: Address.cpp:1005
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Definition: Process.h:733
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Definition: Process.h:113
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lldb_private::Process::SetNextEventAction
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Definition: Process.h:2678
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Definition: Process.cpp:1492
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Get the exit status for a process.
Definition: Process.cpp:1033
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Definition: Process.cpp:3535
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Definition: Process.h:225
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Definition: Process.cpp:5509
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Definition: CommandObject.h:67
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:4162
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static void SettingsInitialize()
Definition: Process.cpp:4480
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uint32_t GetResumeCount() const
Definition: Process.h:145
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lldb::EventSP GetStopEventForStopID(uint32_t stop_id) const
Definition: Process.h:308
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bool GetDisableLangRuntimeUnwindPlans() const
Definition: Process.cpp:266
lldb_private::Process::DoSignal
virtual Status DoSignal(int signal)
Sends a process a UNIX signal signal.
Definition: Process.h:1151
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uint32_t m_running_user_expression
Definition: Process.h:320
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ThreadList & GetExtendedThreadList()
Definition: Process.h:2081
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virtual bool DetachRequiresHalt()
Definition: Process.h:1134
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Definition: TraceGDBRemotePackets.h:62
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virtual Status GetWatchpointSupportInfo(uint32_t &num)
Definition: Process.h:1800
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Definition: Process.cpp:1264
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Definition: Process.h:371
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Definition: Process.h:2686
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static void AddRestartedReason(Event *event_ptr, const char *reason)
Definition: Process.cpp:4127
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size_t GetNumRestartedReasons()
Definition: Process.h:418
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Definition: ProcessLaunchInfo.cpp:132
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virtual size_t GetSTDOUT(char *buf, size_t buf_size, Status &error)
Get any available STDOUT.
Definition: Process.cpp:4252
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Definition: ModuleSpec.h:26
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Definition: Process.h:317
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Definition: Process.cpp:239
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Definition: ProcessInfo.h:135
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Definition: Process.h:545
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Definition: Process.cpp:1540
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Definition: Process.cpp:1298
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Definition: Process.cpp:4098
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Definition: Status.h:44
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ValueObject:
Definition: ValueObject.h:105
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Definition: ProcessLaunchInfo.h:80
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Definition: Process.h:197
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uint32_t GetLastUserExpressionResumeID() const
Definition: Process.h:1369
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:1196
lldb_private::Process::m_private_state_broadcaster
Broadcaster m_private_state_broadcaster
Definition: Process.h:2835
lldb_private::ProcessModID::SetRunningUserExpression
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Definition: Process.h:286
lldb_private::Process::StateChangedIsExternallyHijacked
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Definition: Process.cpp:1393
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Definition: Process.h:1344
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virtual lldb_private::StructuredData::ObjectSP GetLoadedDynamicLibrariesInfos()
Definition: Process.h:1290
uint32_t
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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:961
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@ eCanJITYes
Definition: Process.h:2951
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lldb_private::Process::m_language_runtimes_mutex
std::recursive_mutex m_language_runtimes_mutex
Definition: Process.h:2912
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ThreadList m_extended_thread_list
Owner for extended threads that may be generated, cleared on natural stops.
Definition: Process.h:2869
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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:2406
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virtual Status DoLaunch(Module *exe_module, ProcessLaunchInfo &launch_info)
Launch a new process.
Definition: Process.h:1024
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:2882
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bool GetStopOnSharedLibraryEvents() const
Definition: Process.cpp:255
lldb_private::Process::GetSystemRuntime
virtual SystemRuntime * GetSystemRuntime()
Get the system runtime plug-in for this process.
Definition: Process.cpp:2635
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Definition: Address.h:59
lldb_private::Process::AddImageToken
size_t AddImageToken(lldb::addr_t image_ptr)
Definition: Process.cpp:5791
lldb_private::ProcessProperties::SetDetachKeepsStopped
void SetDetachKeepsStopped(bool keep_stopped)
Definition: Process.cpp:284
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PreResumeCallbackAndBaton(PreResumeActionCallback in_callback, void *in_baton)
Definition: Process.h:2818
lldb_private::Process::m_instrumentation_runtimes
InstrumentationRuntimeCollection m_instrumentation_runtimes
Definition: Process.h:2913
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FollowForkMode
Definition: lldb-private-enumerations.h:176
lldb_private::Process::ProcessEventHijacker::~ProcessEventHijacker
~ProcessEventHijacker()
Definition: Process.h:2176
lldb_private::Process::eBroadcastBitStructuredData
@ eBroadcastBitStructuredData
Definition: Process.h:359
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Definition: Process.h:219
lldb_private::ProcessAttachInfo::GetProcessPluginName
const char * GetProcessPluginName() const
Definition: Process.h:149
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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:2435
lldb_private::Process::PrintWarning
void PrintWarning(uint64_t warning_type, const void *repeat_key, const char *fmt,...) __attribute__((format(printf
Print a user-visible warning one time per Process.
Definition: Process.cpp:5686
lldb_private::MemoryCache
Definition: Memory.h:21
lldb_private::Process::m_system_runtime_up
lldb::SystemRuntimeUP m_system_runtime_up
Definition: Process.h:2893
lldb_private::ProcessProperties::SetVirtualAddressableBits
void SetVirtualAddressableBits(uint32_t bits)
Definition: Process.cpp:224
lldb_private::ProcessAttachInfo::GetIgnoreExisting
bool GetIgnoreExisting() const
Definition: Process.h:137
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:5785
ExecutionContextScope.h
lldb_private::Process::EnableWatchpoint
virtual Status EnableWatchpoint(Watchpoint *wp, bool notify=true)
Definition: Process.cpp:2393
lldb_private::Process::GetNextEvent
lldb::StateType GetNextEvent(lldb::EventSP &event_sp)
Definition: Process.cpp:613
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:573
lldb_private::ProcessAttachInfo::SetIgnoreExisting
void SetIgnoreExisting(bool b)
Definition: Process.h:139
lldb_private::Process::WarningsCollection
std::map< uint64_t, WarningsPointerSet > WarningsCollection
Definition: Process.h:2813
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Definition: DiagnosticManager.h:93
lldb_private::Process::GetLanguageRuntime
LanguageRuntime * GetLanguageRuntime(lldb::LanguageType language)
Definition: Process.cpp:1512
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:645
UINT32_MAX
#define UINT32_MAX
Definition: lldb-defines.h:31
lldb_private::Process::Detach
Status Detach(bool keep_stopped)
Detaches from a running or stopped process.
Definition: Process.cpp:3152
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:5808
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:2851
lldb_private::Process::m_data_address_mask
lldb::addr_t m_data_address_mask
Definition: Process.h:2933
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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:2879
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:1550
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:4219
lldb_private::Process::CanInterpretFunctionCalls
bool CanInterpretFunctionCalls()
Determines whether executing function calls using the interpreter is possible for this process.
Definition: Process.h:1859
lldb_private::Process::DidVFork
virtual void DidVFork(lldb::pid_t child_pid, lldb::tid_t child_tid)
Called after a reported vfork.
Definition: Process.h:994
lldb_private::Process::CalculateProcess
lldb::ProcessSP CalculateProcess() override
Definition: Process.h:2319
lldb_private::UtilityFunctionScope
RAII guard that should be acquired when an utility function is called within a given process.
Definition: Process.h:3064
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Definition: Process.cpp:4050
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Definition: Process.h:767
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Definition: Process.h:538
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Definition: Process.h:1132
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Definition: Process.h:2865
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Definition: Process.h:364
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Definition: Process.h:1888
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Definition: Process.cpp:1484
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Definition: Process.h:739
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Definition: StopInfo.h:20
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Definition: Process.h:115
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Definition: Process.cpp:208
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Definition: Process.h:2008
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Definition: Process.cpp:2245
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Definition: Process.h:2659
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Definition: Process.cpp:2652
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Definition: Process.h:2821
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Definition: Process.h:2323
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Definition: Process.cpp:1486
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Definition: Process.cpp:1339
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Definition: Process.h:2919
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Definition: Process.cpp:4271
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Definition: Process.h:354
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Definition: Process.cpp:1617
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Definition: QueueList.h:28
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Definition: Process.h:2859
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Definition: Process.cpp:2060
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Definition: lldb-enumerations.h:73
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Definition: Process.h:2179
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Definition: Process.cpp:3302
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Definition: Process.h:1307
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Definition: Process.h:2697
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Definition: Process.h:2902
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Definition: Process.cpp:2399
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Definition: Process.h:2853
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Definition: DynamicCheckerFunctions.h:30
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Definition: Predicate.h:70
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Definition: Process.cpp:2082
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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:264
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Definition: Process.h:2899
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Definition: Process.h:3068
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Definition: Process.h:2410
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Definition: Process.cpp:3870
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Sets whether executing JIT-compiled code in this process is possible.
Definition: Process.cpp:2319
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Definition: Process.h:253
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Definition: Process.cpp:4617
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Definition: Process.h:2941
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Definition: Process.h:182
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Definition: ArchSpec.cpp:527
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Definition: Process.h:2658
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Definition: Process.h:991
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Definition: Broadcaster.h:242
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Definition: Process.h:1365
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Definition: Process.h:325
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Definition: Process.h:176
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Definition: Process.cpp:6001
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Return a multi-word command object that can be used to expose plug-in specific commands.
Definition: Process.h:584
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Definition: Process.h:2838
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Definition: Process.h:2904
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Definition: Process.h:461
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Definition: Process.h:1213
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Definition: Process.cpp:3982
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Definition: Process.cpp:356
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Definition: Process.cpp:1251
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Sets whether executing code in this process is possible.
Definition: Process.cpp:2323
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Definition: Process.h:277
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Definition: Process.cpp:2641
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Definition: Process.h:2946
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Definition: Process.cpp:218
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Waits for the process state to be running within a given msec timeout.
Definition: Process.cpp:624
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Definition: Process.h:131
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Definition: Process.h:2951
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Definition: BreakpointSiteList.h:23
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Broadcasts the given structured data object from the given plugin.
Definition: Process.cpp:4211
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Definition: Process.cpp:5578
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Definition: Process.h:2917
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Definition: Process.cpp:4430
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Definition: Process.cpp:6108
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Definition: Process.cpp:3516
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Definition: Process.cpp:5749
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Definition: Process.cpp:978
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Definition: Process.cpp:954
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Definition: Process.h:2348
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Definition: Process.h:1059
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Definition: lldb-enumerations.h:207
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Definition: Process.cpp:4164
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Definition: UtilityFunction.h:30
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Definition: Process.h:166
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Definition: Process.h:420
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Definition: Process.cpp:2368
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Definition: lldb-types.h:86
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Definition: lldb-enumerations.h:485
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Definition: lldb-enumerations.h:138
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Definition: FunctionCaller.h:56
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Definition: Process.cpp:3524
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Definition: Process.h:2321
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Definition: Process.h:2936
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Definition: Process.h:1145
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Definition: Process.h:201
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Definition: Process.h:2015