1 //===-- SBProcess.cpp -------------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/lldb-python.h"
11 
12 #include "lldb/API/SBProcess.h"
13 
14 #include "lldb/lldb-defines.h"
15 #include "lldb/lldb-types.h"
16 
17 #include "lldb/Interpreter/Args.h"
18 #include "lldb/Core/Debugger.h"
19 #include "lldb/Core/Log.h"
20 #include "lldb/Core/Module.h"
21 #include "lldb/Core/State.h"
22 #include "lldb/Core/Stream.h"
23 #include "lldb/Core/StreamFile.h"
24 #include "lldb/Target/Process.h"
25 #include "lldb/Target/RegisterContext.h"
26 #include "lldb/Target/Target.h"
27 #include "lldb/Target/Thread.h"
28 
29 // Project includes
30 
31 #include "lldb/API/SBBroadcaster.h"
32 #include "lldb/API/SBCommandReturnObject.h"
33 #include "lldb/API/SBDebugger.h"
34 #include "lldb/API/SBEvent.h"
35 #include "lldb/API/SBFileSpec.h"
36 #include "lldb/API/SBThread.h"
37 #include "lldb/API/SBStream.h"
38 #include "lldb/API/SBStringList.h"
39 
40 using namespace lldb;
41 using namespace lldb_private;
42 
43 
44 SBProcess::SBProcess () :
45     m_opaque_wp()
46 {
47 }
48 
49 
50 //----------------------------------------------------------------------
51 // SBProcess constructor
52 //----------------------------------------------------------------------
53 
54 SBProcess::SBProcess (const SBProcess& rhs) :
55     m_opaque_wp (rhs.m_opaque_wp)
56 {
57 }
58 
59 
60 SBProcess::SBProcess (const lldb::ProcessSP &process_sp) :
61     m_opaque_wp (process_sp)
62 {
63 }
64 
65 const SBProcess&
66 SBProcess::operator = (const SBProcess& rhs)
67 {
68     if (this != &rhs)
69         m_opaque_wp = rhs.m_opaque_wp;
70     return *this;
71 }
72 
73 //----------------------------------------------------------------------
74 // Destructor
75 //----------------------------------------------------------------------
76 SBProcess::~SBProcess()
77 {
78 }
79 
80 const char *
81 SBProcess::GetBroadcasterClassName ()
82 {
83     return Process::GetStaticBroadcasterClass().AsCString();
84 }
85 
86 const char *
87 SBProcess::GetPluginName ()
88 {
89     ProcessSP process_sp(GetSP());
90     if (process_sp)
91     {
92         return process_sp->GetPluginName();
93     }
94     return "<Unknown>";
95 }
96 
97 const char *
98 SBProcess::GetShortPluginName ()
99 {
100     ProcessSP process_sp(GetSP());
101     if (process_sp)
102     {
103         return process_sp->GetShortPluginName();
104     }
105     return "<Unknown>";
106 }
107 
108 
109 lldb::ProcessSP
110 SBProcess::GetSP() const
111 {
112     return m_opaque_wp.lock();
113 }
114 
115 void
116 SBProcess::SetSP (const ProcessSP &process_sp)
117 {
118     m_opaque_wp = process_sp;
119 }
120 
121 void
122 SBProcess::Clear ()
123 {
124     m_opaque_wp.reset();
125 }
126 
127 
128 bool
129 SBProcess::IsValid() const
130 {
131     ProcessSP process_sp(m_opaque_wp.lock());
132     return ((bool) process_sp && process_sp->IsValid());
133 }
134 
135 bool
136 SBProcess::RemoteLaunch (char const **argv,
137                          char const **envp,
138                          const char *stdin_path,
139                          const char *stdout_path,
140                          const char *stderr_path,
141                          const char *working_directory,
142                          uint32_t launch_flags,
143                          bool stop_at_entry,
144                          lldb::SBError& error)
145 {
146     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
147     if (log) {
148         log->Printf ("SBProcess(%p)::RemoteLaunch (argv=%p, envp=%p, stdin=%s, stdout=%s, stderr=%s, working-dir=%s, launch_flags=0x%x, stop_at_entry=%i, &error (%p))...",
149                      m_opaque_wp.lock().get(),
150                      argv,
151                      envp,
152                      stdin_path ? stdin_path : "NULL",
153                      stdout_path ? stdout_path : "NULL",
154                      stderr_path ? stderr_path : "NULL",
155                      working_directory ? working_directory : "NULL",
156                      launch_flags,
157                      stop_at_entry,
158                      error.get());
159     }
160 
161     ProcessSP process_sp(GetSP());
162     if (process_sp)
163     {
164         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
165         if (process_sp->GetState() == eStateConnected)
166         {
167             if (stop_at_entry)
168                 launch_flags |= eLaunchFlagStopAtEntry;
169             ProcessLaunchInfo launch_info (stdin_path,
170                                            stdout_path,
171                                            stderr_path,
172                                            working_directory,
173                                            launch_flags);
174             Module *exe_module = process_sp->GetTarget().GetExecutableModulePointer();
175             if (exe_module)
176                 launch_info.SetExecutableFile(exe_module->GetFileSpec(), true);
177             if (argv)
178                 launch_info.GetArguments().AppendArguments (argv);
179             if (envp)
180                 launch_info.GetEnvironmentEntries ().SetArguments (envp);
181             error.SetError (process_sp->Launch (launch_info));
182         }
183         else
184         {
185             error.SetErrorString ("must be in eStateConnected to call RemoteLaunch");
186         }
187     }
188     else
189     {
190         error.SetErrorString ("unable to attach pid");
191     }
192 
193     if (log) {
194         SBStream sstr;
195         error.GetDescription (sstr);
196         log->Printf ("SBProcess(%p)::RemoteLaunch (...) => SBError (%p): %s", process_sp.get(), error.get(), sstr.GetData());
197     }
198 
199     return error.Success();
200 }
201 
202 bool
203 SBProcess::RemoteAttachToProcessWithID (lldb::pid_t pid, lldb::SBError& error)
204 {
205     ProcessSP process_sp(GetSP());
206     if (process_sp)
207     {
208         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
209         if (process_sp->GetState() == eStateConnected)
210         {
211             ProcessAttachInfo attach_info;
212             attach_info.SetProcessID (pid);
213             error.SetError (process_sp->Attach (attach_info));
214         }
215         else
216         {
217             error.SetErrorString ("must be in eStateConnected to call RemoteAttachToProcessWithID");
218         }
219     }
220     else
221     {
222         error.SetErrorString ("unable to attach pid");
223     }
224 
225     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
226     if (log) {
227         SBStream sstr;
228         error.GetDescription (sstr);
229         log->Printf ("SBProcess(%p)::RemoteAttachToProcessWithID (%" PRIu64 ") => SBError (%p): %s", process_sp.get(), pid, error.get(), sstr.GetData());
230     }
231 
232     return error.Success();
233 }
234 
235 
236 uint32_t
237 SBProcess::GetNumThreads ()
238 {
239     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
240 
241     uint32_t num_threads = 0;
242     ProcessSP process_sp(GetSP());
243     if (process_sp)
244     {
245         Process::StopLocker stop_locker;
246 
247         const bool can_update = stop_locker.TryLock(&process_sp->GetRunLock());
248         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
249         num_threads = process_sp->GetThreadList().GetSize(can_update);
250     }
251 
252     if (log)
253         log->Printf ("SBProcess(%p)::GetNumThreads () => %d", process_sp.get(), num_threads);
254 
255     return num_threads;
256 }
257 
258 SBThread
259 SBProcess::GetSelectedThread () const
260 {
261     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
262 
263     SBThread sb_thread;
264     ThreadSP thread_sp;
265     ProcessSP process_sp(GetSP());
266     if (process_sp)
267     {
268         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
269         thread_sp = process_sp->GetThreadList().GetSelectedThread();
270         sb_thread.SetThread (thread_sp);
271     }
272 
273     if (log)
274     {
275         log->Printf ("SBProcess(%p)::GetSelectedThread () => SBThread(%p)", process_sp.get(), thread_sp.get());
276     }
277 
278     return sb_thread;
279 }
280 
281 SBThread
282 SBProcess::CreateOSPluginThread (lldb::tid_t tid, lldb::addr_t context)
283 {
284     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
285 
286     SBThread sb_thread;
287     ThreadSP thread_sp;
288     ProcessSP process_sp(GetSP());
289     if (process_sp)
290     {
291         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
292         thread_sp = process_sp->CreateOSPluginThread(tid, context);
293         sb_thread.SetThread (thread_sp);
294     }
295 
296     if (log)
297         log->Printf ("SBProcess(%p)::CreateOSPluginThread (tid=0x%" PRIx64 ", context=0x%" PRIx64 ") => SBThread(%p)", process_sp.get(), tid, context, thread_sp.get());
298 
299     return sb_thread;
300 }
301 
302 SBTarget
303 SBProcess::GetTarget() const
304 {
305     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
306 
307     SBTarget sb_target;
308     TargetSP target_sp;
309     ProcessSP process_sp(GetSP());
310     if (process_sp)
311     {
312         target_sp = process_sp->GetTarget().shared_from_this();
313         sb_target.SetSP (target_sp);
314     }
315 
316     if (log)
317         log->Printf ("SBProcess(%p)::GetTarget () => SBTarget(%p)", process_sp.get(), target_sp.get());
318 
319     return sb_target;
320 }
321 
322 
323 size_t
324 SBProcess::PutSTDIN (const char *src, size_t src_len)
325 {
326     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
327 
328     size_t ret_val = 0;
329     ProcessSP process_sp(GetSP());
330     if (process_sp)
331     {
332         Error error;
333         ret_val =  process_sp->PutSTDIN (src, src_len, error);
334     }
335 
336     if (log)
337         log->Printf ("SBProcess(%p)::PutSTDIN (src=\"%s\", src_len=%d) => %lu",
338                      process_sp.get(),
339                      src,
340                      (uint32_t) src_len,
341                      ret_val);
342 
343     return ret_val;
344 }
345 
346 size_t
347 SBProcess::GetSTDOUT (char *dst, size_t dst_len) const
348 {
349     size_t bytes_read = 0;
350     ProcessSP process_sp(GetSP());
351     if (process_sp)
352     {
353         Error error;
354         bytes_read = process_sp->GetSTDOUT (dst, dst_len, error);
355     }
356 
357     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
358     if (log)
359         log->Printf ("SBProcess(%p)::GetSTDOUT (dst=\"%.*s\", dst_len=%" PRIu64 ") => %" PRIu64,
360                      process_sp.get(),
361                      (int) bytes_read,
362                      dst,
363                      (uint64_t)dst_len,
364                      (uint64_t)bytes_read);
365 
366     return bytes_read;
367 }
368 
369 size_t
370 SBProcess::GetSTDERR (char *dst, size_t dst_len) const
371 {
372     size_t bytes_read = 0;
373     ProcessSP process_sp(GetSP());
374     if (process_sp)
375     {
376         Error error;
377         bytes_read = process_sp->GetSTDERR (dst, dst_len, error);
378     }
379 
380     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
381     if (log)
382         log->Printf ("SBProcess(%p)::GetSTDERR (dst=\"%.*s\", dst_len=%" PRIu64 ") => %" PRIu64,
383                      process_sp.get(),
384                      (int) bytes_read,
385                      dst,
386                      (uint64_t)dst_len,
387                      (uint64_t)bytes_read);
388 
389     return bytes_read;
390 }
391 
392 size_t
393 SBProcess::GetAsyncProfileData(char *dst, size_t dst_len) const
394 {
395     size_t bytes_read = 0;
396     ProcessSP process_sp(GetSP());
397     if (process_sp)
398     {
399         Error error;
400         bytes_read = process_sp->GetAsyncProfileData (dst, dst_len, error);
401     }
402 
403     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
404     if (log)
405         log->Printf ("SBProcess(%p)::GetProfileData (dst=\"%.*s\", dst_len=%" PRIu64 ") => %" PRIu64,
406                      process_sp.get(),
407                      (int) bytes_read,
408                      dst,
409                      (uint64_t)dst_len,
410                      (uint64_t)bytes_read);
411 
412     return bytes_read;
413 }
414 
415 void
416 SBProcess::ReportEventState (const SBEvent &event, FILE *out) const
417 {
418     if (out == NULL)
419         return;
420 
421     ProcessSP process_sp(GetSP());
422     if (process_sp)
423     {
424         const StateType event_state = SBProcess::GetStateFromEvent (event);
425         char message[1024];
426         int message_len = ::snprintf (message,
427                                       sizeof (message),
428                                       "Process %" PRIu64 " %s\n",
429                                       process_sp->GetID(),
430                                       SBDebugger::StateAsCString (event_state));
431 
432         if (message_len > 0)
433             ::fwrite (message, 1, message_len, out);
434     }
435 }
436 
437 void
438 SBProcess::AppendEventStateReport (const SBEvent &event, SBCommandReturnObject &result)
439 {
440     ProcessSP process_sp(GetSP());
441     if (process_sp)
442     {
443         const StateType event_state = SBProcess::GetStateFromEvent (event);
444         char message[1024];
445         ::snprintf (message,
446                     sizeof (message),
447                     "Process %" PRIu64 " %s\n",
448                     process_sp->GetID(),
449                     SBDebugger::StateAsCString (event_state));
450 
451         result.AppendMessage (message);
452     }
453 }
454 
455 bool
456 SBProcess::SetSelectedThread (const SBThread &thread)
457 {
458     ProcessSP process_sp(GetSP());
459     if (process_sp)
460     {
461         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
462         return process_sp->GetThreadList().SetSelectedThreadByID (thread.GetThreadID());
463     }
464     return false;
465 }
466 
467 bool
468 SBProcess::SetSelectedThreadByID (lldb::tid_t tid)
469 {
470     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
471 
472     bool ret_val = false;
473     ProcessSP process_sp(GetSP());
474     if (process_sp)
475     {
476         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
477         ret_val = process_sp->GetThreadList().SetSelectedThreadByID (tid);
478     }
479 
480     if (log)
481         log->Printf ("SBProcess(%p)::SetSelectedThreadByID (tid=0x%4.4" PRIx64 ") => %s",
482                      process_sp.get(), tid, (ret_val ? "true" : "false"));
483 
484     return ret_val;
485 }
486 
487 bool
488 SBProcess::SetSelectedThreadByIndexID (uint32_t index_id)
489 {
490     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
491 
492     bool ret_val = false;
493     ProcessSP process_sp(GetSP());
494     if (process_sp)
495     {
496         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
497         ret_val = process_sp->GetThreadList().SetSelectedThreadByIndexID (index_id);
498     }
499 
500     if (log)
501         log->Printf ("SBProcess(%p)::SetSelectedThreadByID (tid=0x%x) => %s",
502                      process_sp.get(), index_id, (ret_val ? "true" : "false"));
503 
504     return ret_val;
505 }
506 
507 SBThread
508 SBProcess::GetThreadAtIndex (size_t index)
509 {
510     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
511 
512     SBThread sb_thread;
513     ThreadSP thread_sp;
514     ProcessSP process_sp(GetSP());
515     if (process_sp)
516     {
517         Process::StopLocker stop_locker;
518         const bool can_update = stop_locker.TryLock(&process_sp->GetRunLock());
519         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
520         thread_sp = process_sp->GetThreadList().GetThreadAtIndex(index, can_update);
521         sb_thread.SetThread (thread_sp);
522     }
523 
524     if (log)
525     {
526         log->Printf ("SBProcess(%p)::GetThreadAtIndex (index=%d) => SBThread(%p)",
527                      process_sp.get(), (uint32_t) index, thread_sp.get());
528     }
529 
530     return sb_thread;
531 }
532 
533 uint32_t
534 SBProcess::GetStopID(bool include_expression_stops)
535 {
536     ProcessSP process_sp(GetSP());
537     if (process_sp)
538     {
539         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
540         if (include_expression_stops)
541             return process_sp->GetStopID();
542         else
543             return process_sp->GetLastNaturalStopID();
544     }
545     return 0;
546 }
547 
548 StateType
549 SBProcess::GetState ()
550 {
551 
552     StateType ret_val = eStateInvalid;
553     ProcessSP process_sp(GetSP());
554     if (process_sp)
555     {
556         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
557         ret_val = process_sp->GetState();
558     }
559 
560     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
561     if (log)
562         log->Printf ("SBProcess(%p)::GetState () => %s",
563                      process_sp.get(),
564                      lldb_private::StateAsCString (ret_val));
565 
566     return ret_val;
567 }
568 
569 
570 int
571 SBProcess::GetExitStatus ()
572 {
573     int exit_status = 0;
574     ProcessSP process_sp(GetSP());
575     if (process_sp)
576     {
577         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
578         exit_status = process_sp->GetExitStatus ();
579     }
580     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
581     if (log)
582         log->Printf ("SBProcess(%p)::GetExitStatus () => %i (0x%8.8x)",
583                      process_sp.get(), exit_status, exit_status);
584 
585     return exit_status;
586 }
587 
588 const char *
589 SBProcess::GetExitDescription ()
590 {
591     const char *exit_desc = NULL;
592     ProcessSP process_sp(GetSP());
593     if (process_sp)
594     {
595         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
596         exit_desc = process_sp->GetExitDescription ();
597     }
598     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
599     if (log)
600         log->Printf ("SBProcess(%p)::GetExitDescription () => %s",
601                      process_sp.get(), exit_desc);
602     return exit_desc;
603 }
604 
605 lldb::pid_t
606 SBProcess::GetProcessID ()
607 {
608     lldb::pid_t ret_val = LLDB_INVALID_PROCESS_ID;
609     ProcessSP process_sp(GetSP());
610     if (process_sp)
611         ret_val = process_sp->GetID();
612 
613     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
614     if (log)
615         log->Printf ("SBProcess(%p)::GetProcessID () => %" PRIu64, process_sp.get(), ret_val);
616 
617     return ret_val;
618 }
619 
620 uint32_t
621 SBProcess::GetUniqueID()
622 {
623     uint32_t ret_val = 0;
624     ProcessSP process_sp(GetSP());
625     if (process_sp)
626         ret_val = process_sp->GetUniqueID();
627     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
628     if (log)
629         log->Printf ("SBProcess(%p)::GetUniqueID () => %" PRIu32, process_sp.get(), ret_val);
630     return ret_val;
631 }
632 
633 ByteOrder
634 SBProcess::GetByteOrder () const
635 {
636     ByteOrder byteOrder = eByteOrderInvalid;
637     ProcessSP process_sp(GetSP());
638     if (process_sp)
639         byteOrder = process_sp->GetTarget().GetArchitecture().GetByteOrder();
640 
641     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
642     if (log)
643         log->Printf ("SBProcess(%p)::GetByteOrder () => %d", process_sp.get(), byteOrder);
644 
645     return byteOrder;
646 }
647 
648 uint32_t
649 SBProcess::GetAddressByteSize () const
650 {
651     uint32_t size = 0;
652     ProcessSP process_sp(GetSP());
653     if (process_sp)
654         size =  process_sp->GetTarget().GetArchitecture().GetAddressByteSize();
655 
656     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
657     if (log)
658         log->Printf ("SBProcess(%p)::GetAddressByteSize () => %d", process_sp.get(), size);
659 
660     return size;
661 }
662 
663 SBError
664 SBProcess::Continue ()
665 {
666     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
667 
668     SBError sb_error;
669     ProcessSP process_sp(GetSP());
670 
671     if (log)
672         log->Printf ("SBProcess(%p)::Continue ()...", process_sp.get());
673 
674     if (process_sp)
675     {
676         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
677 
678         Error error (process_sp->Resume());
679         if (error.Success())
680         {
681             if (process_sp->GetTarget().GetDebugger().GetAsyncExecution () == false)
682             {
683                 if (log)
684                     log->Printf ("SBProcess(%p)::Continue () waiting for process to stop...", process_sp.get());
685                 process_sp->WaitForProcessToStop (NULL);
686             }
687         }
688         sb_error.SetError(error);
689     }
690     else
691         sb_error.SetErrorString ("SBProcess is invalid");
692 
693     if (log)
694     {
695         SBStream sstr;
696         sb_error.GetDescription (sstr);
697         log->Printf ("SBProcess(%p)::Continue () => SBError (%p): %s", process_sp.get(), sb_error.get(), sstr.GetData());
698     }
699 
700     return sb_error;
701 }
702 
703 
704 SBError
705 SBProcess::Destroy ()
706 {
707     SBError sb_error;
708     ProcessSP process_sp(GetSP());
709     if (process_sp)
710     {
711         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
712         sb_error.SetError(process_sp->Destroy());
713     }
714     else
715         sb_error.SetErrorString ("SBProcess is invalid");
716 
717     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
718     if (log)
719     {
720         SBStream sstr;
721         sb_error.GetDescription (sstr);
722         log->Printf ("SBProcess(%p)::Destroy () => SBError (%p): %s",
723                      process_sp.get(),
724                      sb_error.get(),
725                      sstr.GetData());
726     }
727 
728     return sb_error;
729 }
730 
731 
732 SBError
733 SBProcess::Stop ()
734 {
735     SBError sb_error;
736     ProcessSP process_sp(GetSP());
737     if (process_sp)
738     {
739         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
740         sb_error.SetError (process_sp->Halt());
741     }
742     else
743         sb_error.SetErrorString ("SBProcess is invalid");
744 
745     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
746     if (log)
747     {
748         SBStream sstr;
749         sb_error.GetDescription (sstr);
750         log->Printf ("SBProcess(%p)::Stop () => SBError (%p): %s",
751                      process_sp.get(),
752                      sb_error.get(),
753                      sstr.GetData());
754     }
755 
756     return sb_error;
757 }
758 
759 SBError
760 SBProcess::Kill ()
761 {
762     SBError sb_error;
763     ProcessSP process_sp(GetSP());
764     if (process_sp)
765     {
766         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
767         sb_error.SetError (process_sp->Destroy());
768     }
769     else
770         sb_error.SetErrorString ("SBProcess is invalid");
771 
772     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
773     if (log)
774     {
775         SBStream sstr;
776         sb_error.GetDescription (sstr);
777         log->Printf ("SBProcess(%p)::Kill () => SBError (%p): %s",
778                      process_sp.get(),
779                      sb_error.get(),
780                      sstr.GetData());
781     }
782 
783     return sb_error;
784 }
785 
786 SBError
787 SBProcess::Detach ()
788 {
789     SBError sb_error;
790     ProcessSP process_sp(GetSP());
791     if (process_sp)
792     {
793         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
794         sb_error.SetError (process_sp->Detach());
795     }
796     else
797         sb_error.SetErrorString ("SBProcess is invalid");
798 
799     return sb_error;
800 }
801 
802 SBError
803 SBProcess::Signal (int signo)
804 {
805     SBError sb_error;
806     ProcessSP process_sp(GetSP());
807     if (process_sp)
808     {
809         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
810         sb_error.SetError (process_sp->Signal (signo));
811     }
812     else
813         sb_error.SetErrorString ("SBProcess is invalid");
814     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
815     if (log)
816     {
817         SBStream sstr;
818         sb_error.GetDescription (sstr);
819         log->Printf ("SBProcess(%p)::Signal (signo=%i) => SBError (%p): %s",
820                      process_sp.get(),
821                      signo,
822                      sb_error.get(),
823                      sstr.GetData());
824     }
825     return sb_error;
826 }
827 
828 void
829 SBProcess::SendAsyncInterrupt ()
830 {
831     ProcessSP process_sp(GetSP());
832     if (process_sp)
833     {
834         process_sp->SendAsyncInterrupt ();
835     }
836 }
837 
838 SBThread
839 SBProcess::GetThreadByID (tid_t tid)
840 {
841     SBThread sb_thread;
842     ThreadSP thread_sp;
843     ProcessSP process_sp(GetSP());
844     if (process_sp)
845     {
846         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
847         Process::StopLocker stop_locker;
848         const bool can_update = stop_locker.TryLock(&process_sp->GetRunLock());
849         thread_sp = process_sp->GetThreadList().FindThreadByID (tid, can_update);
850         sb_thread.SetThread (thread_sp);
851     }
852 
853     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
854     if (log)
855     {
856         log->Printf ("SBProcess(%p)::GetThreadByID (tid=0x%4.4" PRIx64 ") => SBThread (%p)",
857                      process_sp.get(),
858                      tid,
859                      thread_sp.get());
860     }
861 
862     return sb_thread;
863 }
864 
865 SBThread
866 SBProcess::GetThreadByIndexID (uint32_t index_id)
867 {
868     SBThread sb_thread;
869     ThreadSP thread_sp;
870     ProcessSP process_sp(GetSP());
871     if (process_sp)
872     {
873         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
874         Process::StopLocker stop_locker;
875         const bool can_update = stop_locker.TryLock(&process_sp->GetRunLock());
876         thread_sp = process_sp->GetThreadList().FindThreadByIndexID (index_id, can_update);
877         sb_thread.SetThread (thread_sp);
878     }
879 
880     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
881     if (log)
882     {
883         log->Printf ("SBProcess(%p)::GetThreadByID (tid=0x%x) => SBThread (%p)",
884                      process_sp.get(),
885                      index_id,
886                      thread_sp.get());
887     }
888 
889     return sb_thread;
890 }
891 
892 StateType
893 SBProcess::GetStateFromEvent (const SBEvent &event)
894 {
895     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
896 
897     StateType ret_val = Process::ProcessEventData::GetStateFromEvent (event.get());
898 
899     if (log)
900         log->Printf ("SBProcess::GetStateFromEvent (event.sp=%p) => %s", event.get(),
901                      lldb_private::StateAsCString (ret_val));
902 
903     return ret_val;
904 }
905 
906 bool
907 SBProcess::GetRestartedFromEvent (const SBEvent &event)
908 {
909     return Process::ProcessEventData::GetRestartedFromEvent (event.get());
910 }
911 
912 size_t
913 SBProcess::GetNumRestartedReasonsFromEvent (const lldb::SBEvent &event)
914 {
915     return Process::ProcessEventData::GetNumRestartedReasons(event.get());
916 }
917 
918 const char *
919 SBProcess::GetRestartedReasonAtIndexFromEvent (const lldb::SBEvent &event, size_t idx)
920 {
921     return Process::ProcessEventData::GetRestartedReasonAtIndex(event.get(), idx);
922 }
923 
924 SBProcess
925 SBProcess::GetProcessFromEvent (const SBEvent &event)
926 {
927     SBProcess process(Process::ProcessEventData::GetProcessFromEvent (event.get()));
928     return process;
929 }
930 
931 bool
932 SBProcess::EventIsProcessEvent (const SBEvent &event)
933 {
934     return strcmp (event.GetBroadcasterClass(), SBProcess::GetBroadcasterClass()) == 0;
935 }
936 
937 SBBroadcaster
938 SBProcess::GetBroadcaster () const
939 {
940     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
941 
942     ProcessSP process_sp(GetSP());
943 
944     SBBroadcaster broadcaster(process_sp.get(), false);
945 
946     if (log)
947         log->Printf ("SBProcess(%p)::GetBroadcaster () => SBBroadcaster (%p)",  process_sp.get(),
948                      broadcaster.get());
949 
950     return broadcaster;
951 }
952 
953 const char *
954 SBProcess::GetBroadcasterClass ()
955 {
956     return Process::GetStaticBroadcasterClass().AsCString();
957 }
958 
959 size_t
960 SBProcess::ReadMemory (addr_t addr, void *dst, size_t dst_len, SBError &sb_error)
961 {
962     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
963 
964     size_t bytes_read = 0;
965 
966     ProcessSP process_sp(GetSP());
967 
968     if (log)
969     {
970         log->Printf ("SBProcess(%p)::ReadMemory (addr=0x%" PRIx64 ", dst=%p, dst_len=%" PRIu64 ", SBError (%p))...",
971                      process_sp.get(),
972                      addr,
973                      dst,
974                      (uint64_t)dst_len,
975                      sb_error.get());
976     }
977 
978     if (process_sp)
979     {
980         Process::StopLocker stop_locker;
981         if (stop_locker.TryLock(&process_sp->GetRunLock()))
982         {
983             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
984             bytes_read = process_sp->ReadMemory (addr, dst, dst_len, sb_error.ref());
985         }
986         else
987         {
988             if (log)
989                 log->Printf ("SBProcess(%p)::ReadMemory() => error: process is running", process_sp.get());
990             sb_error.SetErrorString("process is running");
991         }
992     }
993     else
994     {
995         sb_error.SetErrorString ("SBProcess is invalid");
996     }
997 
998     if (log)
999     {
1000         SBStream sstr;
1001         sb_error.GetDescription (sstr);
1002         log->Printf ("SBProcess(%p)::ReadMemory (addr=0x%" PRIx64 ", dst=%p, dst_len=%" PRIu64 ", SBError (%p): %s) => %" PRIu64,
1003                      process_sp.get(),
1004                      addr,
1005                      dst,
1006                      (uint64_t)dst_len,
1007                      sb_error.get(),
1008                      sstr.GetData(),
1009                      (uint64_t)bytes_read);
1010     }
1011 
1012     return bytes_read;
1013 }
1014 
1015 size_t
1016 SBProcess::ReadCStringFromMemory (addr_t addr, void *buf, size_t size, lldb::SBError &sb_error)
1017 {
1018     size_t bytes_read = 0;
1019     ProcessSP process_sp(GetSP());
1020     if (process_sp)
1021     {
1022         Process::StopLocker stop_locker;
1023         if (stop_locker.TryLock(&process_sp->GetRunLock()))
1024         {
1025             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1026             bytes_read = process_sp->ReadCStringFromMemory (addr, (char *)buf, size, sb_error.ref());
1027         }
1028         else
1029         {
1030             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1031             if (log)
1032                 log->Printf ("SBProcess(%p)::ReadCStringFromMemory() => error: process is running", process_sp.get());
1033             sb_error.SetErrorString("process is running");
1034         }
1035     }
1036     else
1037     {
1038         sb_error.SetErrorString ("SBProcess is invalid");
1039     }
1040     return bytes_read;
1041 }
1042 
1043 uint64_t
1044 SBProcess::ReadUnsignedFromMemory (addr_t addr, uint32_t byte_size, lldb::SBError &sb_error)
1045 {
1046     uint64_t value = 0;
1047     ProcessSP process_sp(GetSP());
1048     if (process_sp)
1049     {
1050         Process::StopLocker stop_locker;
1051         if (stop_locker.TryLock(&process_sp->GetRunLock()))
1052         {
1053             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1054             value = process_sp->ReadUnsignedIntegerFromMemory (addr, byte_size, 0, sb_error.ref());
1055         }
1056         else
1057         {
1058             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1059             if (log)
1060                 log->Printf ("SBProcess(%p)::ReadUnsignedFromMemory() => error: process is running", process_sp.get());
1061             sb_error.SetErrorString("process is running");
1062         }
1063     }
1064     else
1065     {
1066         sb_error.SetErrorString ("SBProcess is invalid");
1067     }
1068     return value;
1069 }
1070 
1071 lldb::addr_t
1072 SBProcess::ReadPointerFromMemory (addr_t addr, lldb::SBError &sb_error)
1073 {
1074     lldb::addr_t ptr = LLDB_INVALID_ADDRESS;
1075     ProcessSP process_sp(GetSP());
1076     if (process_sp)
1077     {
1078         Process::StopLocker stop_locker;
1079         if (stop_locker.TryLock(&process_sp->GetRunLock()))
1080         {
1081             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1082             ptr = process_sp->ReadPointerFromMemory (addr, sb_error.ref());
1083         }
1084         else
1085         {
1086             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1087             if (log)
1088                 log->Printf ("SBProcess(%p)::ReadPointerFromMemory() => error: process is running", process_sp.get());
1089             sb_error.SetErrorString("process is running");
1090         }
1091     }
1092     else
1093     {
1094         sb_error.SetErrorString ("SBProcess is invalid");
1095     }
1096     return ptr;
1097 }
1098 
1099 size_t
1100 SBProcess::WriteMemory (addr_t addr, const void *src, size_t src_len, SBError &sb_error)
1101 {
1102     size_t bytes_written = 0;
1103 
1104     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1105 
1106     ProcessSP process_sp(GetSP());
1107 
1108     if (log)
1109     {
1110         log->Printf ("SBProcess(%p)::WriteMemory (addr=0x%" PRIx64 ", src=%p, src_len=%" PRIu64 ", SBError (%p))...",
1111                      process_sp.get(),
1112                      addr,
1113                      src,
1114                      (uint64_t)src_len,
1115                      sb_error.get());
1116     }
1117 
1118     if (process_sp)
1119     {
1120         Process::StopLocker stop_locker;
1121         if (stop_locker.TryLock(&process_sp->GetRunLock()))
1122         {
1123             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1124             bytes_written = process_sp->WriteMemory (addr, src, src_len, sb_error.ref());
1125         }
1126         else
1127         {
1128             if (log)
1129                 log->Printf ("SBProcess(%p)::WriteMemory() => error: process is running", process_sp.get());
1130             sb_error.SetErrorString("process is running");
1131         }
1132     }
1133 
1134     if (log)
1135     {
1136         SBStream sstr;
1137         sb_error.GetDescription (sstr);
1138         log->Printf ("SBProcess(%p)::WriteMemory (addr=0x%" PRIx64 ", src=%p, src_len=%" PRIu64 ", SBError (%p): %s) => %" PRIu64,
1139                      process_sp.get(),
1140                      addr,
1141                      src,
1142                      (uint64_t)src_len,
1143                      sb_error.get(),
1144                      sstr.GetData(),
1145                      (uint64_t)bytes_written);
1146     }
1147 
1148     return bytes_written;
1149 }
1150 
1151 bool
1152 SBProcess::GetDescription (SBStream &description)
1153 {
1154     Stream &strm = description.ref();
1155 
1156     ProcessSP process_sp(GetSP());
1157     if (process_sp)
1158     {
1159         char path[PATH_MAX];
1160         GetTarget().GetExecutable().GetPath (path, sizeof(path));
1161         Module *exe_module = process_sp->GetTarget().GetExecutableModulePointer();
1162         const char *exe_name = NULL;
1163         if (exe_module)
1164             exe_name = exe_module->GetFileSpec().GetFilename().AsCString();
1165 
1166         strm.Printf ("SBProcess: pid = %" PRIu64 ", state = %s, threads = %d%s%s",
1167                      process_sp->GetID(),
1168                      lldb_private::StateAsCString (GetState()),
1169                      GetNumThreads(),
1170                      exe_name ? ", executable = " : "",
1171                      exe_name ? exe_name : "");
1172     }
1173     else
1174         strm.PutCString ("No value");
1175 
1176     return true;
1177 }
1178 
1179 uint32_t
1180 SBProcess::GetNumSupportedHardwareWatchpoints (lldb::SBError &sb_error) const
1181 {
1182     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1183 
1184     uint32_t num = 0;
1185     ProcessSP process_sp(GetSP());
1186     if (process_sp)
1187     {
1188         Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1189         sb_error.SetError(process_sp->GetWatchpointSupportInfo (num));
1190         if (log)
1191             log->Printf ("SBProcess(%p)::GetNumSupportedHardwareWatchpoints () => %u",
1192                          process_sp.get(), num);
1193     }
1194     else
1195     {
1196         sb_error.SetErrorString ("SBProcess is invalid");
1197     }
1198     return num;
1199 }
1200 
1201 uint32_t
1202 SBProcess::LoadImage (lldb::SBFileSpec &sb_image_spec, lldb::SBError &sb_error)
1203 {
1204     ProcessSP process_sp(GetSP());
1205     if (process_sp)
1206     {
1207         Process::StopLocker stop_locker;
1208         if (stop_locker.TryLock(&process_sp->GetRunLock()))
1209         {
1210             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1211             return process_sp->LoadImage (*sb_image_spec, sb_error.ref());
1212         }
1213         else
1214         {
1215             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1216             if (log)
1217                 log->Printf ("SBProcess(%p)::LoadImage() => error: process is running", process_sp.get());
1218             sb_error.SetErrorString("process is running");
1219         }
1220     }
1221     return LLDB_INVALID_IMAGE_TOKEN;
1222 }
1223 
1224 lldb::SBError
1225 SBProcess::UnloadImage (uint32_t image_token)
1226 {
1227     lldb::SBError sb_error;
1228     ProcessSP process_sp(GetSP());
1229     if (process_sp)
1230     {
1231         Process::StopLocker stop_locker;
1232         if (stop_locker.TryLock(&process_sp->GetRunLock()))
1233         {
1234             Mutex::Locker api_locker (process_sp->GetTarget().GetAPIMutex());
1235             sb_error.SetError (process_sp->UnloadImage (image_token));
1236         }
1237         else
1238         {
1239             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1240             if (log)
1241                 log->Printf ("SBProcess(%p)::UnloadImage() => error: process is running", process_sp.get());
1242             sb_error.SetErrorString("process is running");
1243         }
1244     }
1245     else
1246         sb_error.SetErrorString("invalid process");
1247     return sb_error;
1248 }
1249