1 //===-- CommandObjectThread.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 "CommandObjectThread.h" 13 14 // C Includes 15 // C++ Includes 16 // Other libraries and framework includes 17 // Project includes 18 #include "lldb/lldb-private.h" 19 #include "lldb/Core/State.h" 20 #include "lldb/Core/SourceManager.h" 21 #include "lldb/Host/Host.h" 22 #include "lldb/Interpreter/CommandInterpreter.h" 23 #include "lldb/Interpreter/CommandReturnObject.h" 24 #include "lldb/Interpreter/Options.h" 25 #include "lldb/Symbol/CompileUnit.h" 26 #include "lldb/Symbol/Function.h" 27 #include "lldb/Symbol/LineTable.h" 28 #include "lldb/Symbol/LineEntry.h" 29 #include "lldb/Target/Process.h" 30 #include "lldb/Target/RegisterContext.h" 31 #include "lldb/Target/Target.h" 32 #include "lldb/Target/Thread.h" 33 #include "lldb/Target/ThreadPlan.h" 34 #include "lldb/Target/ThreadPlanStepInstruction.h" 35 #include "lldb/Target/ThreadPlanStepOut.h" 36 #include "lldb/Target/ThreadPlanStepRange.h" 37 #include "lldb/Target/ThreadPlanStepInRange.h" 38 39 40 using namespace lldb; 41 using namespace lldb_private; 42 43 44 //------------------------------------------------------------------------- 45 // CommandObjectThreadBacktrace 46 //------------------------------------------------------------------------- 47 48 class CommandObjectThreadBacktrace : public CommandObjectParsed 49 { 50 public: 51 52 class CommandOptions : public Options 53 { 54 public: 55 56 CommandOptions (CommandInterpreter &interpreter) : 57 Options(interpreter) 58 { 59 // Keep default values of all options in one place: OptionParsingStarting () 60 OptionParsingStarting (); 61 } 62 63 virtual 64 ~CommandOptions () 65 { 66 } 67 68 virtual Error 69 SetOptionValue (uint32_t option_idx, const char *option_arg) 70 { 71 Error error; 72 const int short_option = m_getopt_table[option_idx].val; 73 74 switch (short_option) 75 { 76 case 'c': 77 { 78 bool success; 79 int32_t input_count = Args::StringToSInt32 (option_arg, -1, 0, &success); 80 if (!success) 81 error.SetErrorStringWithFormat("invalid integer value for option '%c'", short_option); 82 if (input_count < -1) 83 m_count = UINT32_MAX; 84 else 85 m_count = input_count; 86 } 87 break; 88 case 's': 89 { 90 bool success; 91 m_start = Args::StringToUInt32 (option_arg, 0, 0, &success); 92 if (!success) 93 error.SetErrorStringWithFormat("invalid integer value for option '%c'", short_option); 94 } 95 break; 96 default: 97 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 98 break; 99 100 } 101 return error; 102 } 103 104 void 105 OptionParsingStarting () 106 { 107 m_count = UINT32_MAX; 108 m_start = 0; 109 } 110 111 const OptionDefinition* 112 GetDefinitions () 113 { 114 return g_option_table; 115 } 116 117 // Options table: Required for subclasses of Options. 118 119 static OptionDefinition g_option_table[]; 120 121 // Instance variables to hold the values for command options. 122 uint32_t m_count; 123 uint32_t m_start; 124 }; 125 126 CommandObjectThreadBacktrace (CommandInterpreter &interpreter) : 127 CommandObjectParsed (interpreter, 128 "thread backtrace", 129 "Show the stack for one or more threads. If no threads are specified, show the currently selected thread. Use the thread-index \"all\" to see all threads.", 130 NULL, 131 eFlagRequiresProcess | 132 eFlagRequiresThread | 133 eFlagTryTargetAPILock | 134 eFlagProcessMustBeLaunched | 135 eFlagProcessMustBePaused ), 136 m_options(interpreter) 137 { 138 CommandArgumentEntry arg; 139 CommandArgumentData thread_idx_arg; 140 141 // Define the first (and only) variant of this arg. 142 thread_idx_arg.arg_type = eArgTypeThreadIndex; 143 thread_idx_arg.arg_repetition = eArgRepeatStar; 144 145 // There is only one variant this argument could be; put it into the argument entry. 146 arg.push_back (thread_idx_arg); 147 148 // Push the data for the first argument into the m_arguments vector. 149 m_arguments.push_back (arg); 150 } 151 152 ~CommandObjectThreadBacktrace() 153 { 154 } 155 156 virtual Options * 157 GetOptions () 158 { 159 return &m_options; 160 } 161 162 protected: 163 virtual bool 164 DoExecute (Args& command, CommandReturnObject &result) 165 { 166 result.SetStatus (eReturnStatusSuccessFinishResult); 167 Stream &strm = result.GetOutputStream(); 168 169 // Don't show source context when doing backtraces. 170 const uint32_t num_frames_with_source = 0; 171 if (command.GetArgumentCount() == 0) 172 { 173 Thread *thread = m_exe_ctx.GetThreadPtr(); 174 // Thread::GetStatus() returns the number of frames shown. 175 if (thread->GetStatus (strm, 176 m_options.m_start, 177 m_options.m_count, 178 num_frames_with_source)) 179 { 180 result.SetStatus (eReturnStatusSuccessFinishResult); 181 } 182 } 183 else if (command.GetArgumentCount() == 1 && ::strcmp (command.GetArgumentAtIndex(0), "all") == 0) 184 { 185 Process *process = m_exe_ctx.GetProcessPtr(); 186 Mutex::Locker locker (process->GetThreadList().GetMutex()); 187 uint32_t num_threads = process->GetThreadList().GetSize(); 188 for (uint32_t i = 0; i < num_threads; i++) 189 { 190 ThreadSP thread_sp = process->GetThreadList().GetThreadAtIndex(i); 191 if (!thread_sp->GetStatus (strm, 192 m_options.m_start, 193 m_options.m_count, 194 num_frames_with_source)) 195 { 196 result.AppendErrorWithFormat ("error displaying backtrace for thread: \"0x%4.4x\"\n", i); 197 result.SetStatus (eReturnStatusFailed); 198 return false; 199 } 200 201 if (i < num_threads - 1) 202 result.AppendMessage(""); 203 204 } 205 } 206 else 207 { 208 const size_t num_args = command.GetArgumentCount(); 209 Process *process = m_exe_ctx.GetProcessPtr(); 210 Mutex::Locker locker (process->GetThreadList().GetMutex()); 211 std::vector<ThreadSP> thread_sps; 212 213 for (size_t i = 0; i < num_args; i++) 214 { 215 bool success; 216 217 uint32_t thread_idx = Args::StringToUInt32(command.GetArgumentAtIndex(i), 0, 0, &success); 218 if (!success) 219 { 220 result.AppendErrorWithFormat ("invalid thread specification: \"%s\"\n", command.GetArgumentAtIndex(i)); 221 result.SetStatus (eReturnStatusFailed); 222 return false; 223 } 224 225 thread_sps.push_back(process->GetThreadList().FindThreadByIndexID(thread_idx)); 226 227 if (!thread_sps[i]) 228 { 229 result.AppendErrorWithFormat ("no thread with index: \"%s\"\n", command.GetArgumentAtIndex(i)); 230 result.SetStatus (eReturnStatusFailed); 231 return false; 232 } 233 234 } 235 236 for (uint32_t i = 0; i < num_args; i++) 237 { 238 if (!thread_sps[i]->GetStatus (strm, 239 m_options.m_start, 240 m_options.m_count, 241 num_frames_with_source)) 242 { 243 result.AppendErrorWithFormat ("error displaying backtrace for thread: \"%s\"\n", command.GetArgumentAtIndex(i)); 244 result.SetStatus (eReturnStatusFailed); 245 return false; 246 } 247 248 if (i < num_args - 1) 249 result.AppendMessage(""); 250 } 251 } 252 return result.Succeeded(); 253 } 254 255 CommandOptions m_options; 256 }; 257 258 OptionDefinition 259 CommandObjectThreadBacktrace::CommandOptions::g_option_table[] = 260 { 261 { LLDB_OPT_SET_1, false, "count", 'c', required_argument, NULL, 0, eArgTypeCount, "How many frames to display (-1 for all)"}, 262 { LLDB_OPT_SET_1, false, "start", 's', required_argument, NULL, 0, eArgTypeFrameIndex, "Frame in which to start the backtrace"}, 263 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 264 }; 265 266 enum StepScope 267 { 268 eStepScopeSource, 269 eStepScopeInstruction 270 }; 271 272 class CommandObjectThreadStepWithTypeAndScope : public CommandObjectParsed 273 { 274 public: 275 276 class CommandOptions : public Options 277 { 278 public: 279 280 CommandOptions (CommandInterpreter &interpreter) : 281 Options (interpreter) 282 { 283 // Keep default values of all options in one place: OptionParsingStarting () 284 OptionParsingStarting (); 285 } 286 287 virtual 288 ~CommandOptions () 289 { 290 } 291 292 virtual Error 293 SetOptionValue (uint32_t option_idx, const char *option_arg) 294 { 295 Error error; 296 const int short_option = m_getopt_table[option_idx].val; 297 298 switch (short_option) 299 { 300 case 'a': 301 { 302 bool success; 303 m_avoid_no_debug = Args::StringToBoolean (option_arg, true, &success); 304 if (!success) 305 error.SetErrorStringWithFormat("invalid boolean value for option '%c'", short_option); 306 } 307 break; 308 309 case 'm': 310 { 311 OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values; 312 m_run_mode = (lldb::RunMode) Args::StringToOptionEnum(option_arg, enum_values, eOnlyDuringStepping, error); 313 } 314 break; 315 316 case 'r': 317 { 318 m_avoid_regexp.clear(); 319 m_avoid_regexp.assign(option_arg); 320 } 321 break; 322 323 case 't': 324 { 325 m_step_in_target.clear(); 326 m_step_in_target.assign(option_arg); 327 328 } 329 break; 330 default: 331 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 332 break; 333 334 } 335 return error; 336 } 337 338 void 339 OptionParsingStarting () 340 { 341 m_avoid_no_debug = true; 342 m_run_mode = eOnlyDuringStepping; 343 m_avoid_regexp.clear(); 344 m_step_in_target.clear(); 345 } 346 347 const OptionDefinition* 348 GetDefinitions () 349 { 350 return g_option_table; 351 } 352 353 // Options table: Required for subclasses of Options. 354 355 static OptionDefinition g_option_table[]; 356 357 // Instance variables to hold the values for command options. 358 bool m_avoid_no_debug; 359 RunMode m_run_mode; 360 std::string m_avoid_regexp; 361 std::string m_step_in_target; 362 }; 363 364 CommandObjectThreadStepWithTypeAndScope (CommandInterpreter &interpreter, 365 const char *name, 366 const char *help, 367 const char *syntax, 368 StepType step_type, 369 StepScope step_scope) : 370 CommandObjectParsed (interpreter, name, help, syntax, 371 eFlagRequiresProcess | 372 eFlagRequiresThread | 373 eFlagTryTargetAPILock | 374 eFlagProcessMustBeLaunched | 375 eFlagProcessMustBePaused ), 376 m_step_type (step_type), 377 m_step_scope (step_scope), 378 m_options (interpreter) 379 { 380 CommandArgumentEntry arg; 381 CommandArgumentData thread_id_arg; 382 383 // Define the first (and only) variant of this arg. 384 thread_id_arg.arg_type = eArgTypeThreadID; 385 thread_id_arg.arg_repetition = eArgRepeatOptional; 386 387 // There is only one variant this argument could be; put it into the argument entry. 388 arg.push_back (thread_id_arg); 389 390 // Push the data for the first argument into the m_arguments vector. 391 m_arguments.push_back (arg); 392 } 393 394 virtual 395 ~CommandObjectThreadStepWithTypeAndScope () 396 { 397 } 398 399 virtual 400 Options * 401 GetOptions () 402 { 403 return &m_options; 404 } 405 406 protected: 407 virtual bool 408 DoExecute (Args& command, CommandReturnObject &result) 409 { 410 Process *process = m_exe_ctx.GetProcessPtr(); 411 bool synchronous_execution = m_interpreter.GetSynchronous(); 412 413 const uint32_t num_threads = process->GetThreadList().GetSize(); 414 Thread *thread = NULL; 415 416 if (command.GetArgumentCount() == 0) 417 { 418 thread = process->GetThreadList().GetSelectedThread().get(); 419 if (thread == NULL) 420 { 421 result.AppendError ("no selected thread in process"); 422 result.SetStatus (eReturnStatusFailed); 423 return false; 424 } 425 } 426 else 427 { 428 const char *thread_idx_cstr = command.GetArgumentAtIndex(0); 429 uint32_t step_thread_idx = Args::StringToUInt32 (thread_idx_cstr, LLDB_INVALID_INDEX32); 430 if (step_thread_idx == LLDB_INVALID_INDEX32) 431 { 432 result.AppendErrorWithFormat ("invalid thread index '%s'.\n", thread_idx_cstr); 433 result.SetStatus (eReturnStatusFailed); 434 return false; 435 } 436 thread = process->GetThreadList().FindThreadByIndexID(step_thread_idx).get(); 437 if (thread == NULL) 438 { 439 result.AppendErrorWithFormat ("Thread index %u is out of range (valid values are 0 - %u).\n", 440 step_thread_idx, num_threads); 441 result.SetStatus (eReturnStatusFailed); 442 return false; 443 } 444 } 445 446 const bool abort_other_plans = false; 447 const lldb::RunMode stop_other_threads = m_options.m_run_mode; 448 449 // This is a bit unfortunate, but not all the commands in this command object support 450 // only while stepping, so I use the bool for them. 451 bool bool_stop_other_threads; 452 if (m_options.m_run_mode == eAllThreads) 453 bool_stop_other_threads = false; 454 else if (m_options.m_run_mode == eOnlyDuringStepping) 455 { 456 if (m_step_type == eStepTypeOut) 457 bool_stop_other_threads = false; 458 else 459 bool_stop_other_threads = true; 460 } 461 else 462 bool_stop_other_threads = true; 463 464 ThreadPlanSP new_plan_sp; 465 466 if (m_step_type == eStepTypeInto) 467 { 468 StackFrame *frame = thread->GetStackFrameAtIndex(0).get(); 469 470 if (frame->HasDebugInformation ()) 471 { 472 new_plan_sp = thread->QueueThreadPlanForStepInRange (abort_other_plans, 473 frame->GetSymbolContext(eSymbolContextEverything).line_entry.range, 474 frame->GetSymbolContext(eSymbolContextEverything), 475 m_options.m_step_in_target.c_str(), 476 stop_other_threads, 477 m_options.m_avoid_no_debug); 478 if (new_plan_sp && !m_options.m_avoid_regexp.empty()) 479 { 480 ThreadPlanStepInRange *step_in_range_plan = static_cast<ThreadPlanStepInRange *> (new_plan_sp.get()); 481 step_in_range_plan->SetAvoidRegexp(m_options.m_avoid_regexp.c_str()); 482 } 483 } 484 else 485 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (false, abort_other_plans, bool_stop_other_threads); 486 487 } 488 else if (m_step_type == eStepTypeOver) 489 { 490 StackFrame *frame = thread->GetStackFrameAtIndex(0).get(); 491 492 if (frame->HasDebugInformation()) 493 new_plan_sp = thread->QueueThreadPlanForStepOverRange (abort_other_plans, 494 frame->GetSymbolContext(eSymbolContextEverything).line_entry.range, 495 frame->GetSymbolContext(eSymbolContextEverything), 496 stop_other_threads); 497 else 498 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (true, 499 abort_other_plans, 500 bool_stop_other_threads); 501 502 } 503 else if (m_step_type == eStepTypeTrace) 504 { 505 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (false, abort_other_plans, bool_stop_other_threads); 506 } 507 else if (m_step_type == eStepTypeTraceOver) 508 { 509 new_plan_sp = thread->QueueThreadPlanForStepSingleInstruction (true, abort_other_plans, bool_stop_other_threads); 510 } 511 else if (m_step_type == eStepTypeOut) 512 { 513 new_plan_sp = thread->QueueThreadPlanForStepOut (abort_other_plans, 514 NULL, 515 false, 516 bool_stop_other_threads, 517 eVoteYes, 518 eVoteNoOpinion, 519 thread->GetSelectedFrameIndex()); 520 } 521 else 522 { 523 result.AppendError ("step type is not supported"); 524 result.SetStatus (eReturnStatusFailed); 525 return false; 526 } 527 528 // If we got a new plan, then set it to be a master plan (User level Plans should be master plans 529 // so that they can be interruptible). Then resume the process. 530 531 if (new_plan_sp) 532 { 533 new_plan_sp->SetIsMasterPlan (true); 534 new_plan_sp->SetOkayToDiscard (false); 535 536 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 537 process->Resume (); 538 539 540 if (synchronous_execution) 541 { 542 StateType state = process->WaitForProcessToStop (NULL); 543 544 //EventSP event_sp; 545 //StateType state = process->WaitForStateChangedEvents (NULL, event_sp); 546 //while (! StateIsStoppedState (state)) 547 // { 548 // state = process->WaitForStateChangedEvents (NULL, event_sp); 549 // } 550 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 551 result.SetDidChangeProcessState (true); 552 result.AppendMessageWithFormat ("Process %" PRIu64 " %s\n", process->GetID(), StateAsCString (state)); 553 result.SetStatus (eReturnStatusSuccessFinishNoResult); 554 } 555 else 556 { 557 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 558 } 559 } 560 else 561 { 562 result.AppendError ("Couldn't find thread plan to implement step type."); 563 result.SetStatus (eReturnStatusFailed); 564 } 565 return result.Succeeded(); 566 } 567 568 protected: 569 StepType m_step_type; 570 StepScope m_step_scope; 571 CommandOptions m_options; 572 }; 573 574 static OptionEnumValueElement 575 g_tri_running_mode[] = 576 { 577 { eOnlyThisThread, "this-thread", "Run only this thread"}, 578 { eAllThreads, "all-threads", "Run all threads"}, 579 { eOnlyDuringStepping, "while-stepping", "Run only this thread while stepping"}, 580 { 0, NULL, NULL } 581 }; 582 583 static OptionEnumValueElement 584 g_duo_running_mode[] = 585 { 586 { eOnlyThisThread, "this-thread", "Run only this thread"}, 587 { eAllThreads, "all-threads", "Run all threads"}, 588 { 0, NULL, NULL } 589 }; 590 591 OptionDefinition 592 CommandObjectThreadStepWithTypeAndScope::CommandOptions::g_option_table[] = 593 { 594 { LLDB_OPT_SET_1, false, "avoid-no-debug", 'a', required_argument, NULL, 0, eArgTypeBoolean, "A boolean value that sets whether step-in will step over functions with no debug information."}, 595 { LLDB_OPT_SET_1, false, "run-mode", 'm', required_argument, g_tri_running_mode, 0, eArgTypeRunMode, "Determine how to run other threads while stepping the current thread."}, 596 { LLDB_OPT_SET_1, false, "step-over-regexp",'r', required_argument, NULL, 0, eArgTypeRegularExpression, "A regular expression that defines function names to not to stop at when stepping in."}, 597 { LLDB_OPT_SET_1, false, "step-in-target", 't', required_argument, NULL, 0, eArgTypeFunctionName, "The name of the directly called function step in should stop at when stepping into."}, 598 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 599 }; 600 601 602 //------------------------------------------------------------------------- 603 // CommandObjectThreadContinue 604 //------------------------------------------------------------------------- 605 606 class CommandObjectThreadContinue : public CommandObjectParsed 607 { 608 public: 609 610 CommandObjectThreadContinue (CommandInterpreter &interpreter) : 611 CommandObjectParsed (interpreter, 612 "thread continue", 613 "Continue execution of one or more threads in an active process.", 614 NULL, 615 eFlagRequiresThread | 616 eFlagTryTargetAPILock | 617 eFlagProcessMustBeLaunched | 618 eFlagProcessMustBePaused) 619 { 620 CommandArgumentEntry arg; 621 CommandArgumentData thread_idx_arg; 622 623 // Define the first (and only) variant of this arg. 624 thread_idx_arg.arg_type = eArgTypeThreadIndex; 625 thread_idx_arg.arg_repetition = eArgRepeatPlus; 626 627 // There is only one variant this argument could be; put it into the argument entry. 628 arg.push_back (thread_idx_arg); 629 630 // Push the data for the first argument into the m_arguments vector. 631 m_arguments.push_back (arg); 632 } 633 634 635 virtual 636 ~CommandObjectThreadContinue () 637 { 638 } 639 640 virtual bool 641 DoExecute (Args& command, CommandReturnObject &result) 642 { 643 bool synchronous_execution = m_interpreter.GetSynchronous (); 644 645 if (!m_interpreter.GetDebugger().GetSelectedTarget().get()) 646 { 647 result.AppendError ("invalid target, create a debug target using the 'target create' command"); 648 result.SetStatus (eReturnStatusFailed); 649 return false; 650 } 651 652 Process *process = m_exe_ctx.GetProcessPtr(); 653 if (process == NULL) 654 { 655 result.AppendError ("no process exists. Cannot continue"); 656 result.SetStatus (eReturnStatusFailed); 657 return false; 658 } 659 660 StateType state = process->GetState(); 661 if ((state == eStateCrashed) || (state == eStateStopped) || (state == eStateSuspended)) 662 { 663 Mutex::Locker locker (process->GetThreadList().GetMutex()); 664 const uint32_t num_threads = process->GetThreadList().GetSize(); 665 const size_t argc = command.GetArgumentCount(); 666 if (argc > 0) 667 { 668 std::vector<Thread *> resume_threads; 669 for (uint32_t i=0; i<argc; ++i) 670 { 671 bool success; 672 const int base = 0; 673 uint32_t thread_idx = Args::StringToUInt32 (command.GetArgumentAtIndex(i), LLDB_INVALID_INDEX32, base, &success); 674 if (success) 675 { 676 Thread *thread = process->GetThreadList().FindThreadByIndexID(thread_idx).get(); 677 678 if (thread) 679 { 680 resume_threads.push_back(thread); 681 } 682 else 683 { 684 result.AppendErrorWithFormat("invalid thread index %u.\n", thread_idx); 685 result.SetStatus (eReturnStatusFailed); 686 return false; 687 } 688 } 689 else 690 { 691 result.AppendErrorWithFormat ("invalid thread index argument: \"%s\".\n", command.GetArgumentAtIndex(i)); 692 result.SetStatus (eReturnStatusFailed); 693 return false; 694 } 695 } 696 697 if (resume_threads.empty()) 698 { 699 result.AppendError ("no valid thread indexes were specified"); 700 result.SetStatus (eReturnStatusFailed); 701 return false; 702 } 703 else 704 { 705 if (resume_threads.size() == 1) 706 result.AppendMessageWithFormat ("Resuming thread: "); 707 else 708 result.AppendMessageWithFormat ("Resuming threads: "); 709 710 for (uint32_t idx=0; idx<num_threads; ++idx) 711 { 712 Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get(); 713 std::vector<Thread *>::iterator this_thread_pos = find(resume_threads.begin(), resume_threads.end(), thread); 714 715 if (this_thread_pos != resume_threads.end()) 716 { 717 resume_threads.erase(this_thread_pos); 718 if (resume_threads.size() > 0) 719 result.AppendMessageWithFormat ("%u, ", thread->GetIndexID()); 720 else 721 result.AppendMessageWithFormat ("%u ", thread->GetIndexID()); 722 723 thread->SetResumeState (eStateRunning); 724 } 725 else 726 { 727 thread->SetResumeState (eStateSuspended); 728 } 729 } 730 result.AppendMessageWithFormat ("in process %" PRIu64 "\n", process->GetID()); 731 } 732 } 733 else 734 { 735 Thread *current_thread = process->GetThreadList().GetSelectedThread().get(); 736 if (current_thread == NULL) 737 { 738 result.AppendError ("the process doesn't have a current thread"); 739 result.SetStatus (eReturnStatusFailed); 740 return false; 741 } 742 // Set the actions that the threads should each take when resuming 743 for (uint32_t idx=0; idx<num_threads; ++idx) 744 { 745 Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get(); 746 if (thread == current_thread) 747 { 748 result.AppendMessageWithFormat ("Resuming thread 0x%4.4" PRIx64 " in process %" PRIu64 "\n", thread->GetID(), process->GetID()); 749 thread->SetResumeState (eStateRunning); 750 } 751 else 752 { 753 thread->SetResumeState (eStateSuspended); 754 } 755 } 756 } 757 758 Error error (process->Resume()); 759 if (error.Success()) 760 { 761 result.AppendMessageWithFormat ("Process %" PRIu64 " resuming\n", process->GetID()); 762 if (synchronous_execution) 763 { 764 state = process->WaitForProcessToStop (NULL); 765 766 result.SetDidChangeProcessState (true); 767 result.AppendMessageWithFormat ("Process %" PRIu64 " %s\n", process->GetID(), StateAsCString (state)); 768 result.SetStatus (eReturnStatusSuccessFinishNoResult); 769 } 770 else 771 { 772 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 773 } 774 } 775 else 776 { 777 result.AppendErrorWithFormat("Failed to resume process: %s\n", error.AsCString()); 778 result.SetStatus (eReturnStatusFailed); 779 } 780 } 781 else 782 { 783 result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n", 784 StateAsCString(state)); 785 result.SetStatus (eReturnStatusFailed); 786 } 787 788 return result.Succeeded(); 789 } 790 791 }; 792 793 //------------------------------------------------------------------------- 794 // CommandObjectThreadUntil 795 //------------------------------------------------------------------------- 796 797 class CommandObjectThreadUntil : public CommandObjectParsed 798 { 799 public: 800 801 class CommandOptions : public Options 802 { 803 public: 804 uint32_t m_thread_idx; 805 uint32_t m_frame_idx; 806 807 CommandOptions (CommandInterpreter &interpreter) : 808 Options (interpreter), 809 m_thread_idx(LLDB_INVALID_THREAD_ID), 810 m_frame_idx(LLDB_INVALID_FRAME_ID) 811 { 812 // Keep default values of all options in one place: OptionParsingStarting () 813 OptionParsingStarting (); 814 } 815 816 virtual 817 ~CommandOptions () 818 { 819 } 820 821 virtual Error 822 SetOptionValue (uint32_t option_idx, const char *option_arg) 823 { 824 Error error; 825 const int short_option = m_getopt_table[option_idx].val; 826 827 switch (short_option) 828 { 829 case 't': 830 { 831 m_thread_idx = Args::StringToUInt32 (option_arg, LLDB_INVALID_INDEX32); 832 if (m_thread_idx == LLDB_INVALID_INDEX32) 833 { 834 error.SetErrorStringWithFormat ("invalid thread index '%s'", option_arg); 835 } 836 } 837 break; 838 case 'f': 839 { 840 m_frame_idx = Args::StringToUInt32 (option_arg, LLDB_INVALID_FRAME_ID); 841 if (m_frame_idx == LLDB_INVALID_FRAME_ID) 842 { 843 error.SetErrorStringWithFormat ("invalid frame index '%s'", option_arg); 844 } 845 } 846 break; 847 case 'm': 848 { 849 OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values; 850 lldb::RunMode run_mode = (lldb::RunMode) Args::StringToOptionEnum(option_arg, enum_values, eOnlyDuringStepping, error); 851 852 if (error.Success()) 853 { 854 if (run_mode == eAllThreads) 855 m_stop_others = false; 856 else 857 m_stop_others = true; 858 } 859 } 860 break; 861 default: 862 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 863 break; 864 865 } 866 return error; 867 } 868 869 void 870 OptionParsingStarting () 871 { 872 m_thread_idx = LLDB_INVALID_THREAD_ID; 873 m_frame_idx = 0; 874 m_stop_others = false; 875 } 876 877 const OptionDefinition* 878 GetDefinitions () 879 { 880 return g_option_table; 881 } 882 883 uint32_t m_step_thread_idx; 884 bool m_stop_others; 885 886 // Options table: Required for subclasses of Options. 887 888 static OptionDefinition g_option_table[]; 889 890 // Instance variables to hold the values for command options. 891 }; 892 893 CommandObjectThreadUntil (CommandInterpreter &interpreter) : 894 CommandObjectParsed (interpreter, 895 "thread until", 896 "Run the current or specified thread until it reaches a given line number or leaves the current function.", 897 NULL, 898 eFlagRequiresThread | 899 eFlagTryTargetAPILock | 900 eFlagProcessMustBeLaunched | 901 eFlagProcessMustBePaused ), 902 m_options (interpreter) 903 { 904 CommandArgumentEntry arg; 905 CommandArgumentData line_num_arg; 906 907 // Define the first (and only) variant of this arg. 908 line_num_arg.arg_type = eArgTypeLineNum; 909 line_num_arg.arg_repetition = eArgRepeatPlain; 910 911 // There is only one variant this argument could be; put it into the argument entry. 912 arg.push_back (line_num_arg); 913 914 // Push the data for the first argument into the m_arguments vector. 915 m_arguments.push_back (arg); 916 } 917 918 919 virtual 920 ~CommandObjectThreadUntil () 921 { 922 } 923 924 virtual 925 Options * 926 GetOptions () 927 { 928 return &m_options; 929 } 930 931 protected: 932 virtual bool 933 DoExecute (Args& command, CommandReturnObject &result) 934 { 935 bool synchronous_execution = m_interpreter.GetSynchronous (); 936 937 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 938 if (target == NULL) 939 { 940 result.AppendError ("invalid target, create a debug target using the 'target create' command"); 941 result.SetStatus (eReturnStatusFailed); 942 return false; 943 } 944 945 Process *process = m_exe_ctx.GetProcessPtr(); 946 if (process == NULL) 947 { 948 result.AppendError ("need a valid process to step"); 949 result.SetStatus (eReturnStatusFailed); 950 951 } 952 else 953 { 954 Thread *thread = NULL; 955 uint32_t line_number; 956 957 if (command.GetArgumentCount() != 1) 958 { 959 result.AppendErrorWithFormat ("No line number provided:\n%s", GetSyntax()); 960 result.SetStatus (eReturnStatusFailed); 961 return false; 962 } 963 964 line_number = Args::StringToUInt32 (command.GetArgumentAtIndex(0), UINT32_MAX); 965 if (line_number == UINT32_MAX) 966 { 967 result.AppendErrorWithFormat ("invalid line number: '%s'.\n", command.GetArgumentAtIndex(0)); 968 result.SetStatus (eReturnStatusFailed); 969 return false; 970 } 971 972 if (m_options.m_thread_idx == LLDB_INVALID_THREAD_ID) 973 { 974 thread = process->GetThreadList().GetSelectedThread().get(); 975 } 976 else 977 { 978 thread = process->GetThreadList().FindThreadByIndexID(m_options.m_thread_idx).get(); 979 } 980 981 if (thread == NULL) 982 { 983 const uint32_t num_threads = process->GetThreadList().GetSize(); 984 result.AppendErrorWithFormat ("Thread index %u is out of range (valid values are 0 - %u).\n", 985 m_options.m_thread_idx, 986 num_threads); 987 result.SetStatus (eReturnStatusFailed); 988 return false; 989 } 990 991 const bool abort_other_plans = false; 992 993 StackFrame *frame = thread->GetStackFrameAtIndex(m_options.m_frame_idx).get(); 994 if (frame == NULL) 995 { 996 997 result.AppendErrorWithFormat ("Frame index %u is out of range for thread %u.\n", 998 m_options.m_frame_idx, 999 m_options.m_thread_idx); 1000 result.SetStatus (eReturnStatusFailed); 1001 return false; 1002 } 1003 1004 ThreadPlanSP new_plan_sp; 1005 1006 if (frame->HasDebugInformation ()) 1007 { 1008 // Finally we got here... Translate the given line number to a bunch of addresses: 1009 SymbolContext sc(frame->GetSymbolContext (eSymbolContextCompUnit)); 1010 LineTable *line_table = NULL; 1011 if (sc.comp_unit) 1012 line_table = sc.comp_unit->GetLineTable(); 1013 1014 if (line_table == NULL) 1015 { 1016 result.AppendErrorWithFormat ("Failed to resolve the line table for frame %u of thread index %u.\n", 1017 m_options.m_frame_idx, m_options.m_thread_idx); 1018 result.SetStatus (eReturnStatusFailed); 1019 return false; 1020 } 1021 1022 LineEntry function_start; 1023 uint32_t index_ptr = 0, end_ptr; 1024 std::vector<addr_t> address_list; 1025 1026 // Find the beginning & end index of the 1027 AddressRange fun_addr_range = sc.function->GetAddressRange(); 1028 Address fun_start_addr = fun_addr_range.GetBaseAddress(); 1029 line_table->FindLineEntryByAddress (fun_start_addr, function_start, &index_ptr); 1030 1031 Address fun_end_addr(fun_start_addr.GetSection(), 1032 fun_start_addr.GetOffset() + fun_addr_range.GetByteSize()); 1033 line_table->FindLineEntryByAddress (fun_end_addr, function_start, &end_ptr); 1034 1035 bool all_in_function = true; 1036 1037 while (index_ptr <= end_ptr) 1038 { 1039 LineEntry line_entry; 1040 const bool exact = false; 1041 index_ptr = sc.comp_unit->FindLineEntry(index_ptr, line_number, sc.comp_unit, exact, &line_entry); 1042 if (index_ptr == UINT32_MAX) 1043 break; 1044 1045 addr_t address = line_entry.range.GetBaseAddress().GetLoadAddress(target); 1046 if (address != LLDB_INVALID_ADDRESS) 1047 { 1048 if (fun_addr_range.ContainsLoadAddress (address, target)) 1049 address_list.push_back (address); 1050 else 1051 all_in_function = false; 1052 } 1053 index_ptr++; 1054 } 1055 1056 if (address_list.size() == 0) 1057 { 1058 if (all_in_function) 1059 result.AppendErrorWithFormat ("No line entries matching until target.\n"); 1060 else 1061 result.AppendErrorWithFormat ("Until target outside of the current function.\n"); 1062 1063 result.SetStatus (eReturnStatusFailed); 1064 return false; 1065 } 1066 1067 new_plan_sp = thread->QueueThreadPlanForStepUntil (abort_other_plans, 1068 &address_list.front(), 1069 address_list.size(), 1070 m_options.m_stop_others, 1071 m_options.m_frame_idx); 1072 // User level plans should be master plans so they can be interrupted (e.g. by hitting a breakpoint) 1073 // and other plans executed by the user (stepping around the breakpoint) and then a "continue" 1074 // will resume the original plan. 1075 new_plan_sp->SetIsMasterPlan (true); 1076 new_plan_sp->SetOkayToDiscard(false); 1077 } 1078 else 1079 { 1080 result.AppendErrorWithFormat ("Frame index %u of thread %u has no debug information.\n", 1081 m_options.m_frame_idx, 1082 m_options.m_thread_idx); 1083 result.SetStatus (eReturnStatusFailed); 1084 return false; 1085 1086 } 1087 1088 process->GetThreadList().SetSelectedThreadByID (m_options.m_thread_idx); 1089 Error error (process->Resume ()); 1090 if (error.Success()) 1091 { 1092 result.AppendMessageWithFormat ("Process %" PRIu64 " resuming\n", process->GetID()); 1093 if (synchronous_execution) 1094 { 1095 StateType state = process->WaitForProcessToStop (NULL); 1096 1097 result.SetDidChangeProcessState (true); 1098 result.AppendMessageWithFormat ("Process %" PRIu64 " %s\n", process->GetID(), StateAsCString (state)); 1099 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1100 } 1101 else 1102 { 1103 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 1104 } 1105 } 1106 else 1107 { 1108 result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); 1109 result.SetStatus (eReturnStatusFailed); 1110 } 1111 1112 } 1113 return result.Succeeded(); 1114 } 1115 1116 CommandOptions m_options; 1117 1118 }; 1119 1120 OptionDefinition 1121 CommandObjectThreadUntil::CommandOptions::g_option_table[] = 1122 { 1123 { LLDB_OPT_SET_1, false, "frame", 'f', required_argument, NULL, 0, eArgTypeFrameIndex, "Frame index for until operation - defaults to 0"}, 1124 { LLDB_OPT_SET_1, false, "thread", 't', required_argument, NULL, 0, eArgTypeThreadIndex, "Thread index for the thread for until operation"}, 1125 { LLDB_OPT_SET_1, false, "run-mode",'m', required_argument, g_duo_running_mode, 0, eArgTypeRunMode,"Determine how to run other threads while stepping this one"}, 1126 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1127 }; 1128 1129 1130 //------------------------------------------------------------------------- 1131 // CommandObjectThreadSelect 1132 //------------------------------------------------------------------------- 1133 1134 class CommandObjectThreadSelect : public CommandObjectParsed 1135 { 1136 public: 1137 1138 CommandObjectThreadSelect (CommandInterpreter &interpreter) : 1139 CommandObjectParsed (interpreter, 1140 "thread select", 1141 "Select a thread as the currently active thread.", 1142 NULL, 1143 eFlagRequiresProcess | 1144 eFlagTryTargetAPILock | 1145 eFlagProcessMustBeLaunched | 1146 eFlagProcessMustBePaused ) 1147 { 1148 CommandArgumentEntry arg; 1149 CommandArgumentData thread_idx_arg; 1150 1151 // Define the first (and only) variant of this arg. 1152 thread_idx_arg.arg_type = eArgTypeThreadIndex; 1153 thread_idx_arg.arg_repetition = eArgRepeatPlain; 1154 1155 // There is only one variant this argument could be; put it into the argument entry. 1156 arg.push_back (thread_idx_arg); 1157 1158 // Push the data for the first argument into the m_arguments vector. 1159 m_arguments.push_back (arg); 1160 } 1161 1162 1163 virtual 1164 ~CommandObjectThreadSelect () 1165 { 1166 } 1167 1168 protected: 1169 virtual bool 1170 DoExecute (Args& command, CommandReturnObject &result) 1171 { 1172 Process *process = m_exe_ctx.GetProcessPtr(); 1173 if (process == NULL) 1174 { 1175 result.AppendError ("no process"); 1176 result.SetStatus (eReturnStatusFailed); 1177 return false; 1178 } 1179 else if (command.GetArgumentCount() != 1) 1180 { 1181 result.AppendErrorWithFormat("'%s' takes exactly one thread index argument:\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); 1182 result.SetStatus (eReturnStatusFailed); 1183 return false; 1184 } 1185 1186 uint32_t index_id = Args::StringToUInt32(command.GetArgumentAtIndex(0), 0, 0); 1187 1188 Thread *new_thread = process->GetThreadList().FindThreadByIndexID(index_id).get(); 1189 if (new_thread == NULL) 1190 { 1191 result.AppendErrorWithFormat ("invalid thread #%s.\n", command.GetArgumentAtIndex(0)); 1192 result.SetStatus (eReturnStatusFailed); 1193 return false; 1194 } 1195 1196 process->GetThreadList().SetSelectedThreadByID(new_thread->GetID(), true); 1197 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1198 1199 return result.Succeeded(); 1200 } 1201 1202 }; 1203 1204 1205 //------------------------------------------------------------------------- 1206 // CommandObjectThreadList 1207 //------------------------------------------------------------------------- 1208 1209 class CommandObjectThreadList : public CommandObjectParsed 1210 { 1211 public: 1212 1213 1214 CommandObjectThreadList (CommandInterpreter &interpreter): 1215 CommandObjectParsed (interpreter, 1216 "thread list", 1217 "Show a summary of all current threads in a process.", 1218 "thread list", 1219 eFlagRequiresProcess | 1220 eFlagTryTargetAPILock | 1221 eFlagProcessMustBeLaunched | 1222 eFlagProcessMustBePaused ) 1223 { 1224 } 1225 1226 ~CommandObjectThreadList() 1227 { 1228 } 1229 1230 protected: 1231 bool 1232 DoExecute (Args& command, CommandReturnObject &result) 1233 { 1234 Stream &strm = result.GetOutputStream(); 1235 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1236 Process *process = m_exe_ctx.GetProcessPtr(); 1237 const bool only_threads_with_stop_reason = false; 1238 const uint32_t start_frame = 0; 1239 const uint32_t num_frames = 0; 1240 const uint32_t num_frames_with_source = 0; 1241 process->GetStatus(strm); 1242 process->GetThreadStatus (strm, 1243 only_threads_with_stop_reason, 1244 start_frame, 1245 num_frames, 1246 num_frames_with_source); 1247 return result.Succeeded(); 1248 } 1249 }; 1250 1251 //------------------------------------------------------------------------- 1252 // CommandObjectThreadReturn 1253 //------------------------------------------------------------------------- 1254 1255 class CommandObjectThreadReturn : public CommandObjectRaw 1256 { 1257 public: 1258 class CommandOptions : public Options 1259 { 1260 public: 1261 1262 CommandOptions (CommandInterpreter &interpreter) : 1263 Options (interpreter), 1264 m_from_expression (false) 1265 { 1266 // Keep default values of all options in one place: OptionParsingStarting () 1267 OptionParsingStarting (); 1268 } 1269 1270 virtual 1271 ~CommandOptions () 1272 { 1273 } 1274 1275 virtual Error 1276 SetOptionValue (uint32_t option_idx, const char *option_arg) 1277 { 1278 Error error; 1279 const int short_option = m_getopt_table[option_idx].val; 1280 1281 switch (short_option) 1282 { 1283 case 'x': 1284 { 1285 bool success; 1286 bool tmp_value = Args::StringToBoolean (option_arg, false, &success); 1287 if (success) 1288 m_from_expression = tmp_value; 1289 else 1290 { 1291 error.SetErrorStringWithFormat ("invalid boolean value '%s' for 'x' option", option_arg); 1292 } 1293 } 1294 break; 1295 default: 1296 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 1297 break; 1298 1299 } 1300 return error; 1301 } 1302 1303 void 1304 OptionParsingStarting () 1305 { 1306 m_from_expression = false; 1307 } 1308 1309 const OptionDefinition* 1310 GetDefinitions () 1311 { 1312 return g_option_table; 1313 } 1314 1315 bool m_from_expression; 1316 1317 // Options table: Required for subclasses of Options. 1318 1319 static OptionDefinition g_option_table[]; 1320 1321 // Instance variables to hold the values for command options. 1322 }; 1323 1324 virtual 1325 Options * 1326 GetOptions () 1327 { 1328 return &m_options; 1329 } 1330 1331 CommandObjectThreadReturn (CommandInterpreter &interpreter) : 1332 CommandObjectRaw (interpreter, 1333 "thread return", 1334 "Return from the currently selected frame, short-circuiting execution of the frames below it, with an optional return value," 1335 " or with the -x option from the innermost function evaluation.", 1336 "thread return", 1337 eFlagRequiresFrame | 1338 eFlagTryTargetAPILock | 1339 eFlagProcessMustBeLaunched | 1340 eFlagProcessMustBePaused ), 1341 m_options (interpreter) 1342 { 1343 CommandArgumentEntry arg; 1344 CommandArgumentData expression_arg; 1345 1346 // Define the first (and only) variant of this arg. 1347 expression_arg.arg_type = eArgTypeExpression; 1348 expression_arg.arg_repetition = eArgRepeatOptional; 1349 1350 // There is only one variant this argument could be; put it into the argument entry. 1351 arg.push_back (expression_arg); 1352 1353 // Push the data for the first argument into the m_arguments vector. 1354 m_arguments.push_back (arg); 1355 1356 1357 } 1358 1359 ~CommandObjectThreadReturn() 1360 { 1361 } 1362 1363 protected: 1364 1365 bool DoExecute 1366 ( 1367 const char *command, 1368 CommandReturnObject &result 1369 ) 1370 { 1371 // I am going to handle this by hand, because I don't want you to have to say: 1372 // "thread return -- -5". 1373 if (command[0] == '-' && command[1] == 'x') 1374 { 1375 if (command && command[2] != '\0') 1376 result.AppendWarning("Return values ignored when returning from user called expressions"); 1377 1378 Thread *thread = m_exe_ctx.GetThreadPtr(); 1379 Error error; 1380 error = thread->UnwindInnermostExpression(); 1381 if (!error.Success()) 1382 { 1383 result.AppendErrorWithFormat ("Unwinding expression failed - %s.", error.AsCString()); 1384 result.SetStatus (eReturnStatusFailed); 1385 } 1386 else 1387 { 1388 bool success = thread->SetSelectedFrameByIndexNoisily (0, result.GetOutputStream()); 1389 if (success) 1390 { 1391 m_exe_ctx.SetFrameSP(thread->GetSelectedFrame ()); 1392 result.SetStatus (eReturnStatusSuccessFinishResult); 1393 } 1394 else 1395 { 1396 result.AppendErrorWithFormat ("Could not select 0th frame after unwinding expression."); 1397 result.SetStatus (eReturnStatusFailed); 1398 } 1399 } 1400 return result.Succeeded(); 1401 } 1402 1403 ValueObjectSP return_valobj_sp; 1404 1405 StackFrameSP frame_sp = m_exe_ctx.GetFrameSP(); 1406 uint32_t frame_idx = frame_sp->GetFrameIndex(); 1407 1408 if (frame_sp->IsInlined()) 1409 { 1410 result.AppendError("Don't know how to return from inlined frames."); 1411 result.SetStatus (eReturnStatusFailed); 1412 return false; 1413 } 1414 1415 if (command && command[0] != '\0') 1416 { 1417 Target *target = m_exe_ctx.GetTargetPtr(); 1418 EvaluateExpressionOptions options; 1419 1420 options.SetUnwindOnError(true); 1421 options.SetUseDynamic(eNoDynamicValues); 1422 1423 ExecutionResults exe_results = eExecutionSetupError; 1424 exe_results = target->EvaluateExpression (command, 1425 frame_sp.get(), 1426 return_valobj_sp, 1427 options); 1428 if (exe_results != eExecutionCompleted) 1429 { 1430 if (return_valobj_sp) 1431 result.AppendErrorWithFormat("Error evaluating result expression: %s", return_valobj_sp->GetError().AsCString()); 1432 else 1433 result.AppendErrorWithFormat("Unknown error evaluating result expression."); 1434 result.SetStatus (eReturnStatusFailed); 1435 return false; 1436 1437 } 1438 } 1439 1440 Error error; 1441 ThreadSP thread_sp = m_exe_ctx.GetThreadSP(); 1442 const bool broadcast = true; 1443 error = thread_sp->ReturnFromFrame (frame_sp, return_valobj_sp, broadcast); 1444 if (!error.Success()) 1445 { 1446 result.AppendErrorWithFormat("Error returning from frame %d of thread %d: %s.", frame_idx, thread_sp->GetIndexID(), error.AsCString()); 1447 result.SetStatus (eReturnStatusFailed); 1448 return false; 1449 } 1450 1451 result.SetStatus (eReturnStatusSuccessFinishResult); 1452 return true; 1453 } 1454 1455 CommandOptions m_options; 1456 1457 }; 1458 OptionDefinition 1459 CommandObjectThreadReturn::CommandOptions::g_option_table[] = 1460 { 1461 { LLDB_OPT_SET_ALL, false, "from-expression", 'x', no_argument, NULL, 0, eArgTypeNone, "Return from the innermost expression evaluation."}, 1462 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1463 }; 1464 1465 //------------------------------------------------------------------------- 1466 // CommandObjectMultiwordThread 1467 //------------------------------------------------------------------------- 1468 1469 CommandObjectMultiwordThread::CommandObjectMultiwordThread (CommandInterpreter &interpreter) : 1470 CommandObjectMultiword (interpreter, 1471 "thread", 1472 "A set of commands for operating on one or more threads within a running process.", 1473 "thread <subcommand> [<subcommand-options>]") 1474 { 1475 LoadSubCommand ("backtrace", CommandObjectSP (new CommandObjectThreadBacktrace (interpreter))); 1476 LoadSubCommand ("continue", CommandObjectSP (new CommandObjectThreadContinue (interpreter))); 1477 LoadSubCommand ("list", CommandObjectSP (new CommandObjectThreadList (interpreter))); 1478 LoadSubCommand ("return", CommandObjectSP (new CommandObjectThreadReturn (interpreter))); 1479 LoadSubCommand ("select", CommandObjectSP (new CommandObjectThreadSelect (interpreter))); 1480 LoadSubCommand ("until", CommandObjectSP (new CommandObjectThreadUntil (interpreter))); 1481 LoadSubCommand ("step-in", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1482 interpreter, 1483 "thread step-in", 1484 "Source level single step in specified thread (current thread, if none specified).", 1485 NULL, 1486 eStepTypeInto, 1487 eStepScopeSource))); 1488 1489 LoadSubCommand ("step-out", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1490 interpreter, 1491 "thread step-out", 1492 "Finish executing the function of the currently selected frame and return to its call site in specified thread (current thread, if none specified).", 1493 NULL, 1494 eStepTypeOut, 1495 eStepScopeSource))); 1496 1497 LoadSubCommand ("step-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1498 interpreter, 1499 "thread step-over", 1500 "Source level single step in specified thread (current thread, if none specified), stepping over calls.", 1501 NULL, 1502 eStepTypeOver, 1503 eStepScopeSource))); 1504 1505 LoadSubCommand ("step-inst", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1506 interpreter, 1507 "thread step-inst", 1508 "Single step one instruction in specified thread (current thread, if none specified).", 1509 NULL, 1510 eStepTypeTrace, 1511 eStepScopeInstruction))); 1512 1513 LoadSubCommand ("step-inst-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1514 interpreter, 1515 "thread step-inst-over", 1516 "Single step one instruction in specified thread (current thread, if none specified), stepping over calls.", 1517 NULL, 1518 eStepTypeTraceOver, 1519 eStepScopeInstruction))); 1520 } 1521 1522 CommandObjectMultiwordThread::~CommandObjectMultiwordThread () 1523 { 1524 } 1525 1526 1527
