source/API/SBThread.cpp

   1 //===-- SBThread.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/API/SBThread.h"
  11
  12 #include "lldb/API/SBSymbolContext.h"
  13 #include "lldb/API/SBFileSpec.h"
  14 #include "lldb/API/SBStream.h"
  15 #include "lldb/Breakpoint/BreakpointLocation.h"
  16 #include "lldb/Core/Debugger.h"
  17 #include "lldb/Core/State.h"
  18 #include "lldb/Core/Stream.h"
  19 #include "lldb/Core/StreamFile.h"
  20 #include "lldb/Core/StructuredData.h"
  21 #include "lldb/Core/ValueObject.h"
  22 #include "lldb/Interpreter/CommandInterpreter.h"
  23 #include "lldb/Symbol/SymbolContext.h"
  24 #include "lldb/Symbol/CompileUnit.h"
  25 #include "lldb/Target/SystemRuntime.h"
  26 #include "lldb/Target/Thread.h"
  27 #include "lldb/Target/Process.h"
  28 #include "lldb/Target/Queue.h"
  29 #include "lldb/Target/UnixSignals.h"
  30 #include "lldb/Target/StopInfo.h"
  31 #include "lldb/Target/Target.h"
  32 #include "lldb/Target/ThreadPlan.h"
  33 #include "lldb/Target/ThreadPlanStepInstruction.h"
  34 #include "lldb/Target/ThreadPlanStepOut.h"
  35 #include "lldb/Target/ThreadPlanStepRange.h"
  36 #include "lldb/Target/ThreadPlanStepInRange.h"
  37
  38 #include "lldb/API/SBAddress.h"
  39 #include "lldb/API/SBDebugger.h"
  40 #include "lldb/API/SBEvent.h"
  41 #include "lldb/API/SBFrame.h"
  42 #include "lldb/API/SBProcess.h"
  43 #include "lldb/API/SBThreadCollection.h"
  44 #include "lldb/API/SBThreadPlan.h"
  45 #include "lldb/API/SBValue.h"
  46
  47 using namespace lldb;
  48 using namespace lldb_private;
  49
  50 const char *
  51 SBThread::GetBroadcasterClassName ()
  52 {
  53     return Thread::GetStaticBroadcasterClass().AsCString();
  54 }
  55
  56 //----------------------------------------------------------------------
  57 // Constructors
  58 //----------------------------------------------------------------------
  59 SBThread::SBThread () :
  60     m_opaque_sp (new ExecutionContextRef())
  61 {
  62 }
  63
  64 SBThread::SBThread (const ThreadSP& lldb_object_sp) :
  65     m_opaque_sp (new ExecutionContextRef(lldb_object_sp))
  66 {
  67 }
  68
  69 SBThread::SBThread (const SBThread &rhs) :
  70     m_opaque_sp (new ExecutionContextRef(*rhs.m_opaque_sp))
  71 {
  72
  73 }
  74
  75 //----------------------------------------------------------------------
  76 // Assignment operator
  77 //----------------------------------------------------------------------
  78
  79 const lldb::SBThread &
  80 SBThread::operator = (const SBThread &rhs)
  81 {
  82     if (this != &rhs)
  83         *m_opaque_sp = *rhs.m_opaque_sp;
  84     return *this;
  85 }
  86
  87 //----------------------------------------------------------------------
  88 // Destructor
  89 //----------------------------------------------------------------------
  90 SBThread::~SBThread()
  91 {
  92 }
  93
  94 lldb::SBQueue
  95 SBThread::GetQueue () const
  96 {
  97     SBQueue sb_queue;
  98     QueueSP queue_sp;
  99     std::unique_lock<std::recursive_mutex> lock;
 100     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 101
 102     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 103     if (exe_ctx.HasThreadScope())
 104     {
 105         Process::StopLocker stop_locker;
 106         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 107         {
 108             queue_sp = exe_ctx.GetThreadPtr()->GetQueue();
 109             if (queue_sp)
 110             {
 111                 sb_queue.SetQueue (queue_sp);
 112             }
 113         }
 114         else
 115         {
 116             if (log)
 117                 log->Printf ("SBThread(%p)::GetQueue() => error: process is running",
 118                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 119         }
 120     }
 121
 122     if (log)
 123         log->Printf ("SBThread(%p)::GetQueue () => SBQueue(%p)",
 124                      static_cast<void*>(exe_ctx.GetThreadPtr()), static_cast<void*>(queue_sp.get()));
 125
 126     return sb_queue;
 127 }
 128
 129
 130 bool
 131 SBThread::IsValid() const
 132 {
 133     std::unique_lock<std::recursive_mutex> lock;
 134     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 135
 136     Target *target = exe_ctx.GetTargetPtr();
 137     Process *process = exe_ctx.GetProcessPtr();
 138     if (target && process)
 139     {
 140         Process::StopLocker stop_locker;
 141         if (stop_locker.TryLock(&process->GetRunLock()))
 142         return m_opaque_sp->GetThreadSP().get() != NULL;
 143     }
 144     // Without a valid target & process, this thread can't be valid.
 145     return false;
 146 }
 147
 148 void
 149 SBThread::Clear ()
 150 {
 151     m_opaque_sp->Clear();
 152 }
 153
 154
 155 StopReason
 156 SBThread::GetStopReason()
 157 {
 158     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 159
 160     StopReason reason = eStopReasonInvalid;
 161     std::unique_lock<std::recursive_mutex> lock;
 162     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 163
 164     if (exe_ctx.HasThreadScope())
 165     {
 166         Process::StopLocker stop_locker;
 167         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 168         {
 169             return exe_ctx.GetThreadPtr()->GetStopReason();
 170         }
 171         else
 172         {
 173             if (log)
 174                 log->Printf ("SBThread(%p)::GetStopReason() => error: process is running",
 175                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 176         }
 177     }
 178
 179     if (log)
 180         log->Printf ("SBThread(%p)::GetStopReason () => %s",
 181                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 182                      Thread::StopReasonAsCString (reason));
 183
 184     return reason;
 185 }
 186
 187 size_t
 188 SBThread::GetStopReasonDataCount ()
 189 {
 190     std::unique_lock<std::recursive_mutex> lock;
 191     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 192
 193     if (exe_ctx.HasThreadScope())
 194     {
 195         Process::StopLocker stop_locker;
 196         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 197         {
 198             StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo ();
 199             if (stop_info_sp)
 200             {
 201                 StopReason reason = stop_info_sp->GetStopReason();
 202                 switch (reason)
 203                 {
 204                 case eStopReasonInvalid:
 205                 case eStopReasonNone:
 206                 case eStopReasonTrace:
 207                 case eStopReasonExec:
 208                 case eStopReasonPlanComplete:
 209                 case eStopReasonThreadExiting:
 210                 case eStopReasonInstrumentation:
 211                     // There is no data for these stop reasons.
 212                     return 0;
 213
 214                 case eStopReasonBreakpoint:
 215                     {
 216                         break_id_t site_id = stop_info_sp->GetValue();
 217                         lldb::BreakpointSiteSP bp_site_sp (exe_ctx.GetProcessPtr()->GetBreakpointSiteList().FindByID (site_id));
 218                         if (bp_site_sp)
 219                             return bp_site_sp->GetNumberOfOwners () * 2;
 220                         else
 221                             return 0; // Breakpoint must have cleared itself...
 222                     }
 223                     break;
 224
 225                 case eStopReasonWatchpoint:
 226                     return 1;
 227
 228                 case eStopReasonSignal:
 229                     return 1;
 230
 231                 case eStopReasonException:
 232                     return 1;
 233                 }
 234             }
 235         }
 236         else
 237         {
 238             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 239             if (log)
 240                 log->Printf ("SBThread(%p)::GetStopReasonDataCount() => error: process is running",
 241                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 242         }
 243     }
 244     return 0;
 245 }
 246
 247 uint64_t
 248 SBThread::GetStopReasonDataAtIndex (uint32_t idx)
 249 {
 250     std::unique_lock<std::recursive_mutex> lock;
 251     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 252
 253     if (exe_ctx.HasThreadScope())
 254     {
 255         Process::StopLocker stop_locker;
 256         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 257         {
 258             Thread *thread = exe_ctx.GetThreadPtr();
 259             StopInfoSP stop_info_sp = thread->GetStopInfo ();
 260             if (stop_info_sp)
 261             {
 262                 StopReason reason = stop_info_sp->GetStopReason();
 263                 switch (reason)
 264                 {
 265                 case eStopReasonInvalid:
 266                 case eStopReasonNone:
 267                 case eStopReasonTrace:
 268                 case eStopReasonExec:
 269                 case eStopReasonPlanComplete:
 270                 case eStopReasonThreadExiting:
 271                 case eStopReasonInstrumentation:
 272                     // There is no data for these stop reasons.
 273                     return 0;
 274
 275                 case eStopReasonBreakpoint:
 276                     {
 277                         break_id_t site_id = stop_info_sp->GetValue();
 278                         lldb::BreakpointSiteSP bp_site_sp (exe_ctx.GetProcessPtr()->GetBreakpointSiteList().FindByID (site_id));
 279                         if (bp_site_sp)
 280                         {
 281                             uint32_t bp_index = idx / 2;
 282                             BreakpointLocationSP bp_loc_sp (bp_site_sp->GetOwnerAtIndex (bp_index));
 283                             if (bp_loc_sp)
 284                             {
 285                                 if (idx & 1)
 286                                 {
 287                                     // Odd idx, return the breakpoint location ID
 288                                     return bp_loc_sp->GetID();
 289                                 }
 290                                 else
 291                                 {
 292                                     // Even idx, return the breakpoint ID
 293                                     return bp_loc_sp->GetBreakpoint().GetID();
 294                                 }
 295                             }
 296                         }
 297                         return LLDB_INVALID_BREAK_ID;
 298                     }
 299                     break;
 300
 301                 case eStopReasonWatchpoint:
 302                     return stop_info_sp->GetValue();
 303
 304                 case eStopReasonSignal:
 305                     return stop_info_sp->GetValue();
 306
 307                 case eStopReasonException:
 308                     return stop_info_sp->GetValue();
 309                 }
 310             }
 311         }
 312         else
 313         {
 314             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 315             if (log)
 316                 log->Printf ("SBThread(%p)::GetStopReasonDataAtIndex() => error: process is running",
 317                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 318         }
 319     }
 320     return 0;
 321 }
 322
 323 bool
 324 SBThread::GetStopReasonExtendedInfoAsJSON (lldb::SBStream &stream)
 325 {
 326     Stream &strm = stream.ref();
 327
 328     std::unique_lock<std::recursive_mutex> lock;
 329     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 330
 331     if (! exe_ctx.HasThreadScope())
 332         return false;
 333
 334
 335     StopInfoSP stop_info = exe_ctx.GetThreadPtr()->GetStopInfo();
 336     StructuredData::ObjectSP info = stop_info->GetExtendedInfo();
 337     if (! info)
 338         return false;
 339
 340     info->Dump(strm);
 341
 342     return true;
 343 }
 344
 345 SBThreadCollection
 346 SBThread::GetStopReasonExtendedBacktraces (InstrumentationRuntimeType type)
 347 {
 348     ThreadCollectionSP threads;
 349     threads.reset(new ThreadCollection());
 350
 351     // We currently only support ThreadSanitizer.
 352     if (type != eInstrumentationRuntimeTypeThreadSanitizer)
 353         return threads;
 354
 355     std::unique_lock<std::recursive_mutex> lock;
 356     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 357
 358     if (! exe_ctx.HasThreadScope())
 359         return threads;
 360
 361     ProcessSP process_sp = exe_ctx.GetProcessSP();
 362
 363     StopInfoSP stop_info = exe_ctx.GetThreadPtr()->GetStopInfo();
 364     StructuredData::ObjectSP info = stop_info->GetExtendedInfo();
 365     if (! info)
 366         return threads;
 367
 368     return process_sp->GetInstrumentationRuntime(type)->GetBacktracesFromExtendedStopInfo(info);
 369 }
 370
 371 size_t
 372 SBThread::GetStopDescription (char *dst, size_t dst_len)
 373 {
 374     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 375
 376     std::unique_lock<std::recursive_mutex> lock;
 377     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 378
 379     if (exe_ctx.HasThreadScope())
 380     {
 381         Process::StopLocker stop_locker;
 382         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 383         {
 384
 385             StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo ();
 386             if (stop_info_sp)
 387             {
 388                 const char *stop_desc = stop_info_sp->GetDescription();
 389                 if (stop_desc)
 390                 {
 391                     if (log)
 392                         log->Printf ("SBThread(%p)::GetStopDescription (dst, dst_len) => \"%s\"",
 393                                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 394                                      stop_desc);
 395                     if (dst)
 396                         return ::snprintf (dst, dst_len, "%s", stop_desc);
 397                     else
 398                     {
 399                         // NULL dst passed in, return the length needed to contain the description
 400                         return ::strlen (stop_desc) + 1; // Include the NULL byte for size
 401                     }
 402                 }
 403                 else
 404                 {
 405                     size_t stop_desc_len = 0;
 406                     switch (stop_info_sp->GetStopReason())
 407                     {
 408                     case eStopReasonTrace:
 409                     case eStopReasonPlanComplete:
 410                         {
 411                             static char trace_desc[] = "step";
 412                             stop_desc = trace_desc;
 413                             stop_desc_len = sizeof(trace_desc); // Include the NULL byte for size
 414                         }
 415                         break;
 416
 417                     case eStopReasonBreakpoint:
 418                         {
 419                             static char bp_desc[] = "breakpoint hit";
 420                             stop_desc = bp_desc;
 421                             stop_desc_len = sizeof(bp_desc); // Include the NULL byte for size
 422                         }
 423                         break;
 424
 425                     case eStopReasonWatchpoint:
 426                         {
 427                             static char wp_desc[] = "watchpoint hit";
 428                             stop_desc = wp_desc;
 429                             stop_desc_len = sizeof(wp_desc); // Include the NULL byte for size
 430                         }
 431                         break;
 432
 433                     case eStopReasonSignal:
 434                         {
 435                             stop_desc = exe_ctx.GetProcessPtr()->GetUnixSignals()->GetSignalAsCString(stop_info_sp->GetValue());
 436                             if (stop_desc == NULL || stop_desc[0] == '\0')
 437                             {
 438                                 static char signal_desc[] = "signal";
 439                                 stop_desc = signal_desc;
 440                                 stop_desc_len = sizeof(signal_desc); // Include the NULL byte for size
 441                             }
 442                         }
 443                         break;
 444
 445                     case eStopReasonException:
 446                         {
 447                             char exc_desc[] = "exception";
 448                             stop_desc = exc_desc;
 449                             stop_desc_len = sizeof(exc_desc); // Include the NULL byte for size
 450                         }
 451                         break;
 452
 453                     case eStopReasonExec:
 454                         {
 455                             char exc_desc[] = "exec";
 456                             stop_desc = exc_desc;
 457                             stop_desc_len = sizeof(exc_desc); // Include the NULL byte for size
 458                         }
 459                         break;
 460
 461                     case eStopReasonThreadExiting:
 462                         {
 463                             char limbo_desc[] = "thread exiting";
 464                             stop_desc = limbo_desc;
 465                             stop_desc_len = sizeof(limbo_desc);
 466                         }
 467                         break;
 468                     default:
 469                         break;
 470                     }
 471
 472                     if (stop_desc && stop_desc[0])
 473                     {
 474                         if (log)
 475                             log->Printf ("SBThread(%p)::GetStopDescription (dst, dst_len) => '%s'",
 476                                          static_cast<void*>(exe_ctx.GetThreadPtr()),
 477                                          stop_desc);
 478
 479                         if (dst)
 480                             return ::snprintf (dst, dst_len, "%s", stop_desc) + 1; // Include the NULL byte
 481
 482                         if (stop_desc_len == 0)
 483                             stop_desc_len = ::strlen (stop_desc) + 1; // Include the NULL byte
 484
 485                         return stop_desc_len;
 486                     }
 487                 }
 488             }
 489         }
 490         else
 491         {
 492             Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 493             if (log)
 494                 log->Printf ("SBThread(%p)::GetStopDescription() => error: process is running",
 495                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 496         }
 497     }
 498     if (dst)
 499         *dst = 0;
 500     return 0;
 501 }
 502
 503 SBValue
 504 SBThread::GetStopReturnValue ()
 505 {
 506     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 507     ValueObjectSP return_valobj_sp;
 508     std::unique_lock<std::recursive_mutex> lock;
 509     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 510
 511     if (exe_ctx.HasThreadScope())
 512     {
 513         Process::StopLocker stop_locker;
 514         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 515         {
 516             StopInfoSP stop_info_sp = exe_ctx.GetThreadPtr()->GetStopInfo ();
 517             if (stop_info_sp)
 518             {
 519                 return_valobj_sp = StopInfo::GetReturnValueObject (stop_info_sp);
 520             }
 521         }
 522         else
 523         {
 524             if (log)
 525                 log->Printf ("SBThread(%p)::GetStopReturnValue() => error: process is running",
 526                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 527         }
 528     }
 529
 530     if (log)
 531         log->Printf ("SBThread(%p)::GetStopReturnValue () => %s",
 532                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 533                      return_valobj_sp.get()
 534                         ? return_valobj_sp->GetValueAsCString()
 535                         : "<no return value>");
 536
 537     return SBValue (return_valobj_sp);
 538 }
 539
 540 void
 541 SBThread::SetThread (const ThreadSP& lldb_object_sp)
 542 {
 543     m_opaque_sp->SetThreadSP (lldb_object_sp);
 544 }
 545
 546 lldb::tid_t
 547 SBThread::GetThreadID () const
 548 {
 549     ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
 550     if (thread_sp)
 551         return thread_sp->GetID();
 552     return LLDB_INVALID_THREAD_ID;
 553 }
 554
 555 uint32_t
 556 SBThread::GetIndexID () const
 557 {
 558     ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
 559     if (thread_sp)
 560         return thread_sp->GetIndexID();
 561     return LLDB_INVALID_INDEX32;
 562 }
 563
 564 const char *
 565 SBThread::GetName () const
 566 {
 567     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 568     const char *name = NULL;
 569     std::unique_lock<std::recursive_mutex> lock;
 570     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 571
 572     if (exe_ctx.HasThreadScope())
 573     {
 574         Process::StopLocker stop_locker;
 575         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 576         {
 577             name = exe_ctx.GetThreadPtr()->GetName();
 578         }
 579         else
 580         {
 581             if (log)
 582                 log->Printf ("SBThread(%p)::GetName() => error: process is running",
 583                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 584         }
 585     }
 586
 587     if (log)
 588         log->Printf ("SBThread(%p)::GetName () => %s",
 589                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 590                      name ? name : "NULL");
 591
 592     return name;
 593 }
 594
 595 const char *
 596 SBThread::GetQueueName () const
 597 {
 598     const char *name = NULL;
 599     std::unique_lock<std::recursive_mutex> lock;
 600     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 601
 602     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 603     if (exe_ctx.HasThreadScope())
 604     {
 605         Process::StopLocker stop_locker;
 606         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 607         {
 608             name = exe_ctx.GetThreadPtr()->GetQueueName();
 609         }
 610         else
 611         {
 612             if (log)
 613                 log->Printf ("SBThread(%p)::GetQueueName() => error: process is running",
 614                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 615         }
 616     }
 617
 618     if (log)
 619         log->Printf ("SBThread(%p)::GetQueueName () => %s",
 620                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 621                      name ? name : "NULL");
 622
 623     return name;
 624 }
 625
 626 lldb::queue_id_t
 627 SBThread::GetQueueID () const
 628 {
 629     queue_id_t id = LLDB_INVALID_QUEUE_ID;
 630     std::unique_lock<std::recursive_mutex> lock;
 631     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 632
 633     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 634     if (exe_ctx.HasThreadScope())
 635     {
 636         Process::StopLocker stop_locker;
 637         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 638         {
 639             id = exe_ctx.GetThreadPtr()->GetQueueID();
 640         }
 641         else
 642         {
 643             if (log)
 644                 log->Printf ("SBThread(%p)::GetQueueID() => error: process is running",
 645                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 646         }
 647     }
 648
 649     if (log)
 650         log->Printf ("SBThread(%p)::GetQueueID () => 0x%" PRIx64,
 651                      static_cast<void*>(exe_ctx.GetThreadPtr()), id);
 652
 653     return id;
 654 }
 655
 656 bool
 657 SBThread::GetInfoItemByPathAsString (const char *path, SBStream &strm)
 658 {
 659     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 660     bool success = false;
 661     std::unique_lock<std::recursive_mutex> lock;
 662     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 663
 664     if (exe_ctx.HasThreadScope())
 665     {
 666         Process::StopLocker stop_locker;
 667         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
 668         {
 669             Thread *thread = exe_ctx.GetThreadPtr();
 670             StructuredData::ObjectSP info_root_sp = thread->GetExtendedInfo();
 671             if (info_root_sp)
 672             {
 673                 StructuredData::ObjectSP node = info_root_sp->GetObjectForDotSeparatedPath (path);
 674                 if (node)
 675                 {
 676                     if (node->GetType() == StructuredData::Type::eTypeString)
 677                     {
 678                         strm.Printf ("%s", node->GetAsString()->GetValue().c_str());
 679                         success = true;
 680                     }
 681                     if (node->GetType() == StructuredData::Type::eTypeInteger)
 682                     {
 683                         strm.Printf ("0x%" PRIx64, node->GetAsInteger()->GetValue());
 684                         success = true;
 685                     }
 686                     if (node->GetType() == StructuredData::Type::eTypeFloat)
 687                     {
 688                         strm.Printf ("0x%f", node->GetAsFloat()->GetValue());
 689                         success = true;
 690                     }
 691                     if (node->GetType() == StructuredData::Type::eTypeBoolean)
 692                     {
 693                         if (node->GetAsBoolean()->GetValue() == true)
 694                             strm.Printf ("true");
 695                         else
 696                             strm.Printf ("false");
 697                         success = true;
 698                     }
 699                     if (node->GetType() == StructuredData::Type::eTypeNull)
 700                     {
 701                         strm.Printf ("null");
 702                         success = true;
 703                     }
 704                 }
 705             }
 706         }
 707         else
 708         {
 709             if (log)
 710                 log->Printf ("SBThread(%p)::GetInfoItemByPathAsString() => error: process is running",
 711                              static_cast<void*>(exe_ctx.GetThreadPtr()));
 712         }
 713     }
 714
 715     if (log)
 716         log->Printf ("SBThread(%p)::GetInfoItemByPathAsString () => %s",
 717                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 718                      strm.GetData());
 719
 720     return success;
 721 }
 722
 723
 724 SBError
 725 SBThread::ResumeNewPlan (ExecutionContext &exe_ctx, ThreadPlan *new_plan)
 726 {
 727     SBError sb_error;
 728
 729     Process *process = exe_ctx.GetProcessPtr();
 730     if (!process)
 731     {
 732         sb_error.SetErrorString("No process in SBThread::ResumeNewPlan");
 733         return sb_error;
 734     }
 735
 736     Thread *thread = exe_ctx.GetThreadPtr();
 737     if (!thread)
 738     {
 739         sb_error.SetErrorString("No thread in SBThread::ResumeNewPlan");
 740         return sb_error;
 741     }
 742
 743     // User level plans should be Master Plans so they can be interrupted, other plans executed, and
 744     // then a "continue" will resume the plan.
 745     if (new_plan != NULL)
 746     {
 747         new_plan->SetIsMasterPlan(true);
 748         new_plan->SetOkayToDiscard(false);
 749     }
 750
 751     // Why do we need to set the current thread by ID here???
 752     process->GetThreadList().SetSelectedThreadByID (thread->GetID());
 753
 754     if (process->GetTarget().GetDebugger().GetAsyncExecution ())
 755         sb_error.ref() = process->Resume ();
 756     else
 757         sb_error.ref() = process->ResumeSynchronous (NULL);
 758
 759     return sb_error;
 760 }
 761
 762 void
 763 SBThread::StepOver (lldb::RunMode stop_other_threads)
 764 {
 765     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 766
 767     std::unique_lock<std::recursive_mutex> lock;
 768     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 769
 770     if (log)
 771         log->Printf ("SBThread(%p)::StepOver (stop_other_threads='%s')",
 772                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 773                      Thread::RunModeAsCString (stop_other_threads));
 774
 775     if (exe_ctx.HasThreadScope())
 776     {
 777         Thread *thread = exe_ctx.GetThreadPtr();
 778         bool abort_other_plans = false;
 779         StackFrameSP frame_sp(thread->GetStackFrameAtIndex (0));
 780
 781         ThreadPlanSP new_plan_sp;
 782         if (frame_sp)
 783         {
 784             if (frame_sp->HasDebugInformation ())
 785             {
 786                 const LazyBool avoid_no_debug = eLazyBoolCalculate;
 787                 SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
 788                 new_plan_sp = thread->QueueThreadPlanForStepOverRange (abort_other_plans,
 789                                                                     sc.line_entry,
 790                                                                     sc,
 791                                                                     stop_other_threads,
 792                                                                     avoid_no_debug);
 793             }
 794             else
 795             {
 796                 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (true,
 797                                                                                abort_other_plans,
 798                                                                                stop_other_threads);
 799             }
 800         }
 801
 802         // This returns an error, we should use it!
 803         ResumeNewPlan (exe_ctx, new_plan_sp.get());
 804     }
 805 }
 806
 807 void
 808 SBThread::StepInto (lldb::RunMode stop_other_threads)
 809 {
 810     StepInto (NULL, stop_other_threads);
 811 }
 812
 813 void
 814 SBThread::StepInto (const char *target_name, lldb::RunMode stop_other_threads)
 815 {
 816     SBError error;
 817     StepInto(target_name, LLDB_INVALID_LINE_NUMBER, error, stop_other_threads);
 818 }
 819
 820 void
 821 SBThread::StepInto (const char *target_name, uint32_t end_line, SBError &error, lldb::RunMode stop_other_threads)
 822 {
 823     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 824
 825     std::unique_lock<std::recursive_mutex> lock;
 826     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 827
 828     if (log)
 829         log->Printf ("SBThread(%p)::StepInto (target_name='%s', stop_other_threads='%s')",
 830                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 831                      target_name? target_name: "<NULL>",
 832                      Thread::RunModeAsCString (stop_other_threads));
 833
 834     if (exe_ctx.HasThreadScope())
 835     {
 836         bool abort_other_plans = false;
 837
 838         Thread *thread = exe_ctx.GetThreadPtr();
 839         StackFrameSP frame_sp(thread->GetStackFrameAtIndex (0));
 840         ThreadPlanSP new_plan_sp;
 841
 842         if (frame_sp && frame_sp->HasDebugInformation ())
 843         {
 844             SymbolContext sc(frame_sp->GetSymbolContext(eSymbolContextEverything));
 845             AddressRange range;
 846             if (end_line == LLDB_INVALID_LINE_NUMBER)
 847                 range = sc.line_entry.range;
 848             else
 849             {
 850                 if (!sc.GetAddressRangeFromHereToEndLine(end_line, range, error.ref()))
 851                     return;
 852             }
 853
 854             const LazyBool step_out_avoids_code_without_debug_info = eLazyBoolCalculate;
 855             const LazyBool step_in_avoids_code_without_debug_info = eLazyBoolCalculate;
 856             new_plan_sp = thread->QueueThreadPlanForStepInRange (abort_other_plans,
 857                                                               range,
 858                                                               sc,
 859                                                               target_name,
 860                                                               stop_other_threads,
 861                                                               step_in_avoids_code_without_debug_info,
 862                                                               step_out_avoids_code_without_debug_info);
 863         }
 864         else
 865         {
 866             new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (false,
 867                                                                            abort_other_plans,
 868                                                                            stop_other_threads);
 869         }
 870
 871         error = ResumeNewPlan (exe_ctx, new_plan_sp.get());
 872     }
 873 }
 874
 875 void
 876 SBThread::StepOut ()
 877 {
 878     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 879
 880     std::unique_lock<std::recursive_mutex> lock;
 881     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 882
 883     if (log)
 884         log->Printf ("SBThread(%p)::StepOut ()",
 885                      static_cast<void*>(exe_ctx.GetThreadPtr()));
 886
 887     if (exe_ctx.HasThreadScope())
 888     {
 889         bool abort_other_plans = false;
 890         bool stop_other_threads = false;
 891
 892         Thread *thread = exe_ctx.GetThreadPtr();
 893
 894         const LazyBool avoid_no_debug = eLazyBoolCalculate;
 895         ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepOut (abort_other_plans,
 896                                                                     NULL,
 897                                                                     false,
 898                                                                     stop_other_threads,
 899                                                                     eVoteYes,
 900                                                                     eVoteNoOpinion,
 901                                                                     0,
 902                                                                     avoid_no_debug));
 903
 904         // This returns an error, we should use it!
 905         ResumeNewPlan (exe_ctx, new_plan_sp.get());
 906     }
 907 }
 908
 909 void
 910 SBThread::StepOutOfFrame (lldb::SBFrame &sb_frame)
 911 {
 912     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 913
 914     std::unique_lock<std::recursive_mutex> lock;
 915     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 916
 917     if (!sb_frame.IsValid())
 918     {
 919         if (log)
 920             log->Printf("SBThread(%p)::StepOutOfFrame passed an invalid frame, returning.",
 921                         static_cast<void*>(exe_ctx.GetThreadPtr()));
 922         return;
 923     }
 924
 925     StackFrameSP frame_sp (sb_frame.GetFrameSP());
 926     if (log)
 927     {
 928         SBStream frame_desc_strm;
 929         sb_frame.GetDescription (frame_desc_strm);
 930         log->Printf ("SBThread(%p)::StepOutOfFrame (frame = SBFrame(%p): %s)",
 931                      static_cast<void*>(exe_ctx.GetThreadPtr()),
 932                      static_cast<void*>(frame_sp.get()),
 933                      frame_desc_strm.GetData());
 934     }
 935
 936     if (exe_ctx.HasThreadScope())
 937     {
 938         bool abort_other_plans = false;
 939         bool stop_other_threads = false;
 940         Thread *thread = exe_ctx.GetThreadPtr();
 941         if (sb_frame.GetThread().GetThreadID() != thread->GetID())
 942         {
 943             log->Printf("SBThread(%p)::StepOutOfFrame passed a frame from another thread (0x%" PRIx64 " vrs. 0x%" PRIx64 ", returning.",
 944                         static_cast<void*>(exe_ctx.GetThreadPtr()),
 945                         sb_frame.GetThread().GetThreadID(),
 946                         thread->GetID());
 947         }
 948
 949         ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepOut (abort_other_plans,
 950                                                                     NULL,
 951                                                                     false,
 952                                                                     stop_other_threads,
 953                                                                     eVoteYes,
 954                                                                     eVoteNoOpinion,
 955                                                                     frame_sp->GetFrameIndex()));
 956
 957         // This returns an error, we should use it!
 958         ResumeNewPlan (exe_ctx, new_plan_sp.get());
 959     }
 960 }
 961
 962 void
 963 SBThread::StepInstruction (bool step_over)
 964 {
 965     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 966
 967     std::unique_lock<std::recursive_mutex> lock;
 968     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 969
 970     if (log)
 971         log->Printf ("SBThread(%p)::StepInstruction (step_over=%i)",
 972                      static_cast<void*>(exe_ctx.GetThreadPtr()), step_over);
 973
 974     if (exe_ctx.HasThreadScope())
 975     {
 976         Thread *thread = exe_ctx.GetThreadPtr();
 977         ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepSingleInstruction (step_over, true, true));
 978
 979         // This returns an error, we should use it!
 980         ResumeNewPlan (exe_ctx, new_plan_sp.get());
 981     }
 982 }
 983
 984 void
 985 SBThread::RunToAddress (lldb::addr_t addr)
 986 {
 987     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
 988
 989     std::unique_lock<std::recursive_mutex> lock;
 990     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
 991
 992     if (log)
 993         log->Printf ("SBThread(%p)::RunToAddress (addr=0x%" PRIx64 ")",
 994                      static_cast<void*>(exe_ctx.GetThreadPtr()), addr);
 995
 996     if (exe_ctx.HasThreadScope())
 997     {
 998         bool abort_other_plans = false;
 999         bool stop_other_threads = true;
1000
1001         Address target_addr (addr);
1002
1003         Thread *thread = exe_ctx.GetThreadPtr();
1004
1005         ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForRunToAddress (abort_other_plans,
1006                                                                          target_addr,
1007                                                                          stop_other_threads));
1008
1009         // This returns an error, we should use it!
1010         ResumeNewPlan (exe_ctx, new_plan_sp.get());
1011     }
1012 }
1013
1014 SBError
1015 SBThread::StepOverUntil (lldb::SBFrame &sb_frame,
1016                          lldb::SBFileSpec &sb_file_spec,
1017                          uint32_t line)
1018 {
1019     SBError sb_error;
1020     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1021     char path[PATH_MAX];
1022
1023     std::unique_lock<std::recursive_mutex> lock;
1024     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1025
1026     StackFrameSP frame_sp (sb_frame.GetFrameSP());
1027
1028     if (log)
1029     {
1030         SBStream frame_desc_strm;
1031         sb_frame.GetDescription (frame_desc_strm);
1032         sb_file_spec->GetPath (path, sizeof(path));
1033         log->Printf ("SBThread(%p)::StepOverUntil (frame = SBFrame(%p): %s, file+line = %s:%u)",
1034                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1035                      static_cast<void*>(frame_sp.get()),
1036                      frame_desc_strm.GetData(), path, line);
1037     }
1038
1039     if (exe_ctx.HasThreadScope())
1040     {
1041         Target *target = exe_ctx.GetTargetPtr();
1042         Thread *thread = exe_ctx.GetThreadPtr();
1043
1044         if (line == 0)
1045         {
1046             sb_error.SetErrorString("invalid line argument");
1047             return sb_error;
1048         }
1049
1050         if (!frame_sp)
1051         {
1052             frame_sp = thread->GetSelectedFrame ();
1053             if (!frame_sp)
1054                 frame_sp = thread->GetStackFrameAtIndex (0);
1055         }
1056
1057         SymbolContext frame_sc;
1058         if (!frame_sp)
1059         {
1060             sb_error.SetErrorString("no valid frames in thread to step");
1061             return sb_error;
1062         }
1063
1064         // If we have a frame, get its line
1065         frame_sc = frame_sp->GetSymbolContext (eSymbolContextCompUnit  |
1066                                                eSymbolContextFunction  |
1067                                                eSymbolContextLineEntry |
1068                                                eSymbolContextSymbol    );
1069
1070         if (frame_sc.comp_unit == NULL)
1071         {
1072             sb_error.SetErrorStringWithFormat("frame %u doesn't have debug information", frame_sp->GetFrameIndex());
1073             return sb_error;
1074         }
1075
1076         FileSpec step_file_spec;
1077         if (sb_file_spec.IsValid())
1078         {
1079             // The file spec passed in was valid, so use it
1080             step_file_spec = sb_file_spec.ref();
1081         }
1082         else
1083         {
1084             if (frame_sc.line_entry.IsValid())
1085                 step_file_spec = frame_sc.line_entry.file;
1086             else
1087             {
1088                 sb_error.SetErrorString("invalid file argument or no file for frame");
1089                 return sb_error;
1090             }
1091         }
1092
1093         // Grab the current function, then we will make sure the "until" address is
1094         // within the function.  We discard addresses that are out of the current
1095         // function, and then if there are no addresses remaining, give an appropriate
1096         // error message.
1097
1098         bool all_in_function = true;
1099         AddressRange fun_range = frame_sc.function->GetAddressRange();
1100
1101         std::vector<addr_t> step_over_until_addrs;
1102         const bool abort_other_plans = false;
1103         const bool stop_other_threads = false;
1104         const bool check_inlines = true;
1105         const bool exact = false;
1106
1107         SymbolContextList sc_list;
1108         const uint32_t num_matches = frame_sc.comp_unit->ResolveSymbolContext (step_file_spec,
1109                                                                                line,
1110                                                                                check_inlines,
1111                                                                                exact,
1112                                                                                eSymbolContextLineEntry,
1113                                                                                sc_list);
1114         if (num_matches > 0)
1115         {
1116             SymbolContext sc;
1117             for (uint32_t i=0; i<num_matches; ++i)
1118             {
1119                 if (sc_list.GetContextAtIndex(i, sc))
1120                 {
1121                     addr_t step_addr = sc.line_entry.range.GetBaseAddress().GetLoadAddress(target);
1122                     if (step_addr != LLDB_INVALID_ADDRESS)
1123                     {
1124                         if (fun_range.ContainsLoadAddress(step_addr, target))
1125                             step_over_until_addrs.push_back(step_addr);
1126                         else
1127                             all_in_function = false;
1128                     }
1129                 }
1130             }
1131         }
1132
1133         if (step_over_until_addrs.empty())
1134         {
1135             if (all_in_function)
1136             {
1137                 step_file_spec.GetPath (path, sizeof(path));
1138                 sb_error.SetErrorStringWithFormat("No line entries for %s:%u", path, line);
1139             }
1140             else
1141                 sb_error.SetErrorString ("step until target not in current function");
1142         }
1143         else
1144         {
1145             ThreadPlanSP new_plan_sp(thread->QueueThreadPlanForStepUntil (abort_other_plans,
1146                                                                         &step_over_until_addrs[0],
1147                                                                         step_over_until_addrs.size(),
1148                                                                         stop_other_threads,
1149                                                                         frame_sp->GetFrameIndex()));
1150
1151             sb_error = ResumeNewPlan (exe_ctx, new_plan_sp.get());
1152         }
1153     }
1154     else
1155     {
1156         sb_error.SetErrorString("this SBThread object is invalid");
1157     }
1158     return sb_error;
1159 }
1160
1161 SBError
1162 SBThread::StepUsingScriptedThreadPlan (const char *script_class_name)
1163 {
1164     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1165     SBError sb_error;
1166
1167     std::unique_lock<std::recursive_mutex> lock;
1168     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1169
1170     if (log)
1171     {
1172         log->Printf ("SBThread(%p)::StepUsingScriptedThreadPlan: class name: %s",
1173                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1174                      script_class_name);
1175     }
1176
1177
1178     if (!exe_ctx.HasThreadScope())
1179     {
1180         sb_error.SetErrorString("this SBThread object is invalid");
1181         return sb_error;
1182     }
1183
1184     Thread *thread = exe_ctx.GetThreadPtr();
1185     ThreadPlanSP thread_plan_sp = thread->QueueThreadPlanForStepScripted(false, script_class_name, false);
1186
1187     if (thread_plan_sp)
1188         sb_error = ResumeNewPlan(exe_ctx, thread_plan_sp.get());
1189     else
1190     {
1191         sb_error.SetErrorStringWithFormat("Error queuing thread plan for class: %s.", script_class_name);
1192         if (log)
1193         log->Printf ("SBThread(%p)::StepUsingScriptedThreadPlan: Error queuing thread plan for class: %s",
1194                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1195                      script_class_name);
1196     }
1197
1198     return sb_error;
1199 }
1200
1201 SBError
1202 SBThread::JumpToLine (lldb::SBFileSpec &file_spec, uint32_t line)
1203 {
1204     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1205     SBError sb_error;
1206
1207     std::unique_lock<std::recursive_mutex> lock;
1208     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1209
1210     if (log)
1211         log->Printf ("SBThread(%p)::JumpToLine (file+line = %s:%u)",
1212                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1213                      file_spec->GetPath().c_str(), line);
1214
1215     if (!exe_ctx.HasThreadScope())
1216     {
1217         sb_error.SetErrorString("this SBThread object is invalid");
1218         return sb_error;
1219     }
1220
1221     Thread *thread = exe_ctx.GetThreadPtr();
1222
1223     Error err = thread->JumpToLine (file_spec.get(), line, true);
1224     sb_error.SetError (err);
1225     return sb_error;
1226 }
1227
1228 SBError
1229 SBThread::ReturnFromFrame (SBFrame &frame, SBValue &return_value)
1230 {
1231     SBError sb_error;
1232
1233     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1234
1235     std::unique_lock<std::recursive_mutex> lock;
1236     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1237
1238     if (log)
1239         log->Printf ("SBThread(%p)::ReturnFromFrame (frame=%d)",
1240                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1241                      frame.GetFrameID());
1242
1243     if (exe_ctx.HasThreadScope())
1244     {
1245         Thread *thread = exe_ctx.GetThreadPtr();
1246         sb_error.SetError (thread->ReturnFromFrame(frame.GetFrameSP(), return_value.GetSP()));
1247     }
1248
1249     return sb_error;
1250 }
1251
1252 SBError
1253 SBThread::UnwindInnermostExpression()
1254 {
1255     SBError sb_error;
1256
1257     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1258
1259     std::unique_lock<std::recursive_mutex> lock;
1260     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1261
1262     if (log)
1263         log->Printf ("SBThread(%p)::UnwindExpressionEvaluation",
1264                      static_cast<void*>(exe_ctx.GetThreadPtr()));
1265
1266     if (exe_ctx.HasThreadScope())
1267     {
1268         Thread *thread = exe_ctx.GetThreadPtr();
1269         sb_error.SetError (thread->UnwindInnermostExpression());
1270         if (sb_error.Success())
1271             thread->SetSelectedFrameByIndex(0, false);
1272     }
1273
1274     return sb_error;
1275
1276 }
1277
1278 bool
1279 SBThread::Suspend()
1280 {
1281     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1282     std::unique_lock<std::recursive_mutex> lock;
1283     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1284
1285     bool result = false;
1286     if (exe_ctx.HasThreadScope())
1287     {
1288         Process::StopLocker stop_locker;
1289         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1290         {
1291             exe_ctx.GetThreadPtr()->SetResumeState (eStateSuspended);
1292             result = true;
1293         }
1294         else
1295         {
1296             if (log)
1297                 log->Printf ("SBThread(%p)::Suspend() => error: process is running",
1298                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1299         }
1300     }
1301     if (log)
1302         log->Printf ("SBThread(%p)::Suspend() => %i",
1303                      static_cast<void*>(exe_ctx.GetThreadPtr()), result);
1304     return result;
1305 }
1306
1307 bool
1308 SBThread::Resume ()
1309 {
1310     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1311     std::unique_lock<std::recursive_mutex> lock;
1312     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1313
1314     bool result = false;
1315     if (exe_ctx.HasThreadScope())
1316     {
1317         Process::StopLocker stop_locker;
1318         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1319         {
1320             const bool override_suspend = true;
1321             exe_ctx.GetThreadPtr()->SetResumeState (eStateRunning, override_suspend);
1322             result = true;
1323         }
1324         else
1325         {
1326             if (log)
1327                 log->Printf ("SBThread(%p)::Resume() => error: process is running",
1328                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1329         }
1330     }
1331     if (log)
1332         log->Printf ("SBThread(%p)::Resume() => %i",
1333                      static_cast<void*>(exe_ctx.GetThreadPtr()), result);
1334     return result;
1335 }
1336
1337 bool
1338 SBThread::IsSuspended()
1339 {
1340     std::unique_lock<std::recursive_mutex> lock;
1341     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1342
1343     if (exe_ctx.HasThreadScope())
1344         return exe_ctx.GetThreadPtr()->GetResumeState () == eStateSuspended;
1345     return false;
1346 }
1347
1348 bool
1349 SBThread::IsStopped()
1350 {
1351     std::unique_lock<std::recursive_mutex> lock;
1352     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1353
1354     if (exe_ctx.HasThreadScope())
1355         return StateIsStoppedState(exe_ctx.GetThreadPtr()->GetState(), true);
1356     return false;
1357 }
1358
1359 SBProcess
1360 SBThread::GetProcess ()
1361 {
1362     SBProcess sb_process;
1363     std::unique_lock<std::recursive_mutex> lock;
1364     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1365
1366     if (exe_ctx.HasThreadScope())
1367     {
1368         // Have to go up to the target so we can get a shared pointer to our process...
1369         sb_process.SetSP (exe_ctx.GetProcessSP());
1370     }
1371
1372     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1373     if (log)
1374     {
1375         SBStream frame_desc_strm;
1376         sb_process.GetDescription (frame_desc_strm);
1377         log->Printf ("SBThread(%p)::GetProcess () => SBProcess(%p): %s",
1378                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1379                      static_cast<void*>(sb_process.GetSP().get()),
1380                      frame_desc_strm.GetData());
1381     }
1382
1383     return sb_process;
1384 }
1385
1386 uint32_t
1387 SBThread::GetNumFrames ()
1388 {
1389     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1390
1391     uint32_t num_frames = 0;
1392     std::unique_lock<std::recursive_mutex> lock;
1393     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1394
1395     if (exe_ctx.HasThreadScope())
1396     {
1397         Process::StopLocker stop_locker;
1398         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1399         {
1400             num_frames = exe_ctx.GetThreadPtr()->GetStackFrameCount();
1401         }
1402         else
1403         {
1404             if (log)
1405                 log->Printf ("SBThread(%p)::GetNumFrames() => error: process is running",
1406                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1407         }
1408     }
1409
1410     if (log)
1411         log->Printf ("SBThread(%p)::GetNumFrames () => %u",
1412                      static_cast<void*>(exe_ctx.GetThreadPtr()), num_frames);
1413
1414     return num_frames;
1415 }
1416
1417 SBFrame
1418 SBThread::GetFrameAtIndex (uint32_t idx)
1419 {
1420     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1421
1422     SBFrame sb_frame;
1423     StackFrameSP frame_sp;
1424     std::unique_lock<std::recursive_mutex> lock;
1425     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1426
1427     if (exe_ctx.HasThreadScope())
1428     {
1429         Process::StopLocker stop_locker;
1430         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1431         {
1432             frame_sp = exe_ctx.GetThreadPtr()->GetStackFrameAtIndex (idx);
1433             sb_frame.SetFrameSP (frame_sp);
1434         }
1435         else
1436         {
1437             if (log)
1438                 log->Printf ("SBThread(%p)::GetFrameAtIndex() => error: process is running",
1439                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1440         }
1441     }
1442
1443     if (log)
1444     {
1445         SBStream frame_desc_strm;
1446         sb_frame.GetDescription (frame_desc_strm);
1447         log->Printf ("SBThread(%p)::GetFrameAtIndex (idx=%d) => SBFrame(%p): %s",
1448                      static_cast<void*>(exe_ctx.GetThreadPtr()), idx,
1449                      static_cast<void*>(frame_sp.get()),
1450                      frame_desc_strm.GetData());
1451     }
1452
1453     return sb_frame;
1454 }
1455
1456 lldb::SBFrame
1457 SBThread::GetSelectedFrame ()
1458 {
1459     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1460
1461     SBFrame sb_frame;
1462     StackFrameSP frame_sp;
1463     std::unique_lock<std::recursive_mutex> lock;
1464     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1465
1466     if (exe_ctx.HasThreadScope())
1467     {
1468         Process::StopLocker stop_locker;
1469         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1470         {
1471             frame_sp = exe_ctx.GetThreadPtr()->GetSelectedFrame ();
1472             sb_frame.SetFrameSP (frame_sp);
1473         }
1474         else
1475         {
1476             if (log)
1477                 log->Printf ("SBThread(%p)::GetSelectedFrame() => error: process is running",
1478                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1479         }
1480     }
1481
1482     if (log)
1483     {
1484         SBStream frame_desc_strm;
1485         sb_frame.GetDescription (frame_desc_strm);
1486         log->Printf ("SBThread(%p)::GetSelectedFrame () => SBFrame(%p): %s",
1487                      static_cast<void*>(exe_ctx.GetThreadPtr()),
1488                      static_cast<void*>(frame_sp.get()),
1489                      frame_desc_strm.GetData());
1490     }
1491
1492     return sb_frame;
1493 }
1494
1495 lldb::SBFrame
1496 SBThread::SetSelectedFrame (uint32_t idx)
1497 {
1498     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1499
1500     SBFrame sb_frame;
1501     StackFrameSP frame_sp;
1502     std::unique_lock<std::recursive_mutex> lock;
1503     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1504
1505     if (exe_ctx.HasThreadScope())
1506     {
1507         Process::StopLocker stop_locker;
1508         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1509         {
1510             Thread *thread = exe_ctx.GetThreadPtr();
1511             frame_sp = thread->GetStackFrameAtIndex (idx);
1512             if (frame_sp)
1513             {
1514                 thread->SetSelectedFrame (frame_sp.get());
1515                 sb_frame.SetFrameSP (frame_sp);
1516             }
1517         }
1518         else
1519         {
1520             if (log)
1521                 log->Printf ("SBThread(%p)::SetSelectedFrame() => error: process is running",
1522                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1523         }
1524     }
1525
1526     if (log)
1527     {
1528         SBStream frame_desc_strm;
1529         sb_frame.GetDescription (frame_desc_strm);
1530         log->Printf ("SBThread(%p)::SetSelectedFrame (idx=%u) => SBFrame(%p): %s",
1531                      static_cast<void*>(exe_ctx.GetThreadPtr()), idx,
1532                      static_cast<void*>(frame_sp.get()),
1533                      frame_desc_strm.GetData());
1534     }
1535     return sb_frame;
1536 }
1537
1538 bool
1539 SBThread::EventIsThreadEvent (const SBEvent &event)
1540 {
1541     return Thread::ThreadEventData::GetEventDataFromEvent(event.get()) != NULL;
1542 }
1543
1544 SBFrame
1545 SBThread::GetStackFrameFromEvent (const SBEvent &event)
1546 {
1547     return Thread::ThreadEventData::GetStackFrameFromEvent (event.get());
1548
1549 }
1550
1551 SBThread
1552 SBThread::GetThreadFromEvent (const SBEvent &event)
1553 {
1554     return Thread::ThreadEventData::GetThreadFromEvent (event.get());
1555 }
1556
1557 bool
1558 SBThread::operator == (const SBThread &rhs) const
1559 {
1560     return m_opaque_sp->GetThreadSP().get() == rhs.m_opaque_sp->GetThreadSP().get();
1561 }
1562
1563 bool
1564 SBThread::operator != (const SBThread &rhs) const
1565 {
1566     return m_opaque_sp->GetThreadSP().get() != rhs.m_opaque_sp->GetThreadSP().get();
1567 }
1568
1569 bool
1570 SBThread::GetStatus (SBStream &status) const
1571 {
1572     Stream &strm = status.ref();
1573
1574     std::unique_lock<std::recursive_mutex> lock;
1575     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1576
1577     if (exe_ctx.HasThreadScope())
1578     {
1579         exe_ctx.GetThreadPtr()->GetStatus(strm, 0, 1, 1);
1580     }
1581     else
1582         strm.PutCString ("No status");
1583
1584     return true;
1585 }
1586
1587 bool
1588 SBThread::GetDescription (SBStream &description) const
1589 {
1590     Stream &strm = description.ref();
1591
1592     std::unique_lock<std::recursive_mutex> lock;
1593     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1594
1595     if (exe_ctx.HasThreadScope())
1596     {
1597         exe_ctx.GetThreadPtr()->DumpUsingSettingsFormat(strm, LLDB_INVALID_THREAD_ID);
1598         //strm.Printf("SBThread: tid = 0x%4.4" PRIx64, exe_ctx.GetThreadPtr()->GetID());
1599     }
1600     else
1601         strm.PutCString ("No value");
1602
1603     return true;
1604 }
1605
1606 SBThread
1607 SBThread::GetExtendedBacktraceThread (const char *type)
1608 {
1609     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
1610     std::unique_lock<std::recursive_mutex> lock;
1611     ExecutionContext exe_ctx(m_opaque_sp.get(), lock);
1612     SBThread sb_origin_thread;
1613
1614     if (exe_ctx.HasThreadScope())
1615     {
1616         Process::StopLocker stop_locker;
1617         if (stop_locker.TryLock(&exe_ctx.GetProcessPtr()->GetRunLock()))
1618         {
1619             ThreadSP real_thread(exe_ctx.GetThreadSP());
1620             if (real_thread)
1621             {
1622                 ConstString type_const (type);
1623                 Process *process = exe_ctx.GetProcessPtr();
1624                 if (process)
1625                 {
1626                     SystemRuntime *runtime = process->GetSystemRuntime();
1627                     if (runtime)
1628                     {
1629                         ThreadSP new_thread_sp (runtime->GetExtendedBacktraceThread (real_thread, type_const));
1630                         if (new_thread_sp)
1631                         {
1632                             // Save this in the Process' ExtendedThreadList so a strong pointer retains the
1633                             // object.
1634                             process->GetExtendedThreadList().AddThread (new_thread_sp);
1635                             sb_origin_thread.SetThread (new_thread_sp);
1636                             if (log)
1637                             {
1638                                 const char *queue_name = new_thread_sp->GetQueueName();
1639                                 if (queue_name == NULL)
1640                                     queue_name = "";
1641                                 log->Printf ("SBThread(%p)::GetExtendedBacktraceThread() => new extended Thread "
1642                                              "created (%p) with queue_id 0x%" PRIx64 " queue name '%s'",
1643                                              static_cast<void*>(exe_ctx.GetThreadPtr()),
1644                                              static_cast<void*>(new_thread_sp.get()),
1645                                              new_thread_sp->GetQueueID(),
1646                                              queue_name);
1647                             }
1648                         }
1649                     }
1650                 }
1651             }
1652         }
1653         else
1654         {
1655             if (log)
1656                 log->Printf ("SBThread(%p)::GetExtendedBacktraceThread() => error: process is running",
1657                              static_cast<void*>(exe_ctx.GetThreadPtr()));
1658         }
1659     }
1660
1661     if (log && sb_origin_thread.IsValid() == false)
1662         log->Printf("SBThread(%p)::GetExtendedBacktraceThread() is not returning a Valid thread",
1663                     static_cast<void*>(exe_ctx.GetThreadPtr()));
1664     return sb_origin_thread;
1665 }
1666
1667 uint32_t
1668 SBThread::GetExtendedBacktraceOriginatingIndexID ()
1669 {
1670     ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
1671     if (thread_sp)
1672         return thread_sp->GetExtendedBacktraceOriginatingIndexID();
1673     return LLDB_INVALID_INDEX32;
1674 }
1675
1676 bool
1677 SBThread::SafeToCallFunctions ()
1678 {
1679     ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
1680     if (thread_sp)
1681         return thread_sp->SafeToCallFunctions();
1682     return true;
1683 }
1684
1685 lldb_private::Thread *
1686 SBThread::operator->()
1687 {
1688     ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
1689     if (thread_sp)
1690         return thread_sp.get();
1691     else
1692         return NULL;
1693 }
1694
1695 lldb_private::Thread *
1696 SBThread::get()
1697 {
1698     ThreadSP thread_sp(m_opaque_sp->GetThreadSP());
1699     if (thread_sp)
1700         return thread_sp.get();
1701     else
1702         return NULL;
1703 }
1704