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 "CommandObjectThread.h" 11 12 // C Includes 13 // C++ Includes 14 // Other libraries and framework includes 15 // Project includes 16 #include "lldb/Interpreter/Options.h" 17 #include "lldb/Core/State.h" 18 #include "lldb/Core/SourceManager.h" 19 20 #include "lldb/Interpreter/CommandInterpreter.h" 21 #include "lldb/Interpreter/CommandReturnObject.h" 22 23 #include "lldb/Target/Process.h" 24 #include "lldb/Target/RegisterContext.h" 25 #include "lldb/Target/Target.h" 26 #include "lldb/Target/Thread.h" 27 #include "lldb/Target/ThreadPlan.h" 28 #include "lldb/Target/ThreadPlanStepInstruction.h" 29 #include "lldb/Target/ThreadPlanStepOut.h" 30 #include "lldb/Target/ThreadPlanStepRange.h" 31 #include "lldb/Target/ThreadPlanStepInRange.h" 32 #include "lldb/Symbol/LineTable.h" 33 #include "lldb/Symbol/LineEntry.h" 34 35 using namespace lldb; 36 using namespace lldb_private; 37 38 39 bool 40 lldb_private::DisplayThreadInfo 41 ( 42 CommandInterpreter &interpreter, 43 Stream &strm, 44 Thread *thread, 45 bool only_threads_with_stop_reason, 46 bool show_source 47 ) 48 { 49 if (thread) 50 { 51 if (only_threads_with_stop_reason) 52 { 53 if (thread->GetStopInfo() == NULL) 54 return false; 55 } 56 57 strm.Indent(); 58 strm.Printf("%c ", thread->GetProcess().GetThreadList().GetSelectedThread().get() == thread ? '*' : ' '); 59 60 // Show one frame with only the first showing source 61 if (show_source) 62 { 63 bool already_shown = false; 64 StackFrameSP frame_sp = thread->GetStackFrameAtIndex(0); 65 SymbolContext frame_sc(frame_sp->GetSymbolContext (eSymbolContextLineEntry)); 66 if (interpreter.GetDebugger().GetUseExternalEditor() && frame_sc.line_entry.file && frame_sc.line_entry.line != 0) 67 { 68 already_shown = Host::OpenFileInExternalEditor (frame_sc.line_entry.file, frame_sc.line_entry.line); 69 } 70 71 DisplayFramesForExecutionContext (thread, 72 interpreter, 73 strm, 74 0, // Start at first frame 75 1, // Number of frames to show 76 false,// Don't show the frame info since we already displayed most of it above... 77 !already_shown, // Show source for the first frame 78 3, // lines of source context before 79 3); // lines of source context after 80 } 81 else 82 { 83 thread->DumpUsingSettingsFormat (strm, 0); 84 } 85 86 return true; 87 } 88 return false; 89 } 90 91 size_t 92 lldb_private::DisplayThreadsInfo 93 ( 94 CommandInterpreter &interpreter, 95 ExecutionContext *exe_ctx, 96 CommandReturnObject &result, 97 bool only_threads_with_stop_reason, 98 bool show_source 99 ) 100 { 101 StreamString strm; 102 103 size_t num_thread_infos_dumped = 0; 104 105 if (!exe_ctx->process) 106 return 0; 107 108 const size_t num_threads = exe_ctx->process->GetThreadList().GetSize(); 109 if (num_threads > 0) 110 { 111 112 for (uint32_t i = 0; i < num_threads; i++) 113 { 114 Thread *thread = exe_ctx->process->GetThreadList().GetThreadAtIndex(i).get(); 115 if (thread) 116 { 117 if (DisplayThreadInfo (interpreter, 118 strm, 119 thread, 120 only_threads_with_stop_reason, 121 show_source)) 122 ++num_thread_infos_dumped; 123 } 124 } 125 } 126 127 if (num_thread_infos_dumped > 0) 128 { 129 if (num_thread_infos_dumped < num_threads) 130 result.GetOutputStream().Printf("%u of %u threads stopped with reasons:\n", num_thread_infos_dumped, num_threads); 131 132 result.GetOutputStream().GetString().append(strm.GetString()); 133 result.SetStatus (eReturnStatusSuccessFinishNoResult); 134 } 135 return num_thread_infos_dumped; 136 } 137 138 139 size_t 140 lldb_private::DisplayFramesForExecutionContext 141 ( 142 Thread *thread, 143 CommandInterpreter &interpreter, 144 Stream& strm, 145 uint32_t first_frame, 146 uint32_t num_frames, 147 bool show_frame_info, 148 uint32_t num_frames_with_source, 149 uint32_t source_lines_before, 150 uint32_t source_lines_after 151 ) 152 { 153 if (thread == NULL) 154 return 0; 155 156 size_t num_frames_displayed = 0; 157 158 if (num_frames == 0) 159 return 0; 160 161 thread->DumpUsingSettingsFormat (strm, num_frames > 1 ? UINT32_MAX : first_frame); 162 strm.IndentMore(); 163 164 StackFrameSP frame_sp; 165 uint32_t frame_idx = 0; 166 uint32_t last_frame; 167 168 // Don't let the last frame wrap around... 169 if (num_frames == UINT32_MAX) 170 last_frame = UINT32_MAX; 171 else 172 last_frame = first_frame + num_frames; 173 174 for (frame_idx = first_frame; frame_idx < last_frame; ++frame_idx) 175 { 176 frame_sp = thread->GetStackFrameAtIndex (frame_idx); 177 if (frame_sp.get() == NULL) 178 break; 179 180 if (DisplayFrameForExecutionContext (thread, 181 frame_sp.get(), 182 interpreter, 183 strm, 184 show_frame_info, 185 num_frames_with_source > first_frame - frame_idx, 186 source_lines_before, 187 source_lines_after) == false) 188 break; 189 190 ++num_frames_displayed; 191 } 192 193 strm.IndentLess(); 194 return num_frames_displayed; 195 } 196 197 bool 198 lldb_private::DisplayFrameForExecutionContext 199 ( 200 Thread *thread, 201 StackFrame *frame, 202 CommandInterpreter &interpreter, 203 Stream& strm, 204 bool show_frame_info, 205 bool show_source, 206 uint32_t source_lines_before, 207 uint32_t source_lines_after 208 ) 209 { 210 // thread and frame must be filled in prior to calling this function 211 if (thread && frame) 212 { 213 if (show_frame_info) 214 { 215 strm.Indent(); 216 frame->DumpUsingSettingsFormat (&strm); 217 } 218 219 SymbolContext sc (frame->GetSymbolContext(eSymbolContextCompUnit | eSymbolContextLineEntry)); 220 221 if (show_source && sc.comp_unit && sc.line_entry.IsValid()) 222 { 223 interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbers ( 224 sc.line_entry.file, 225 sc.line_entry.line, 226 3, 227 3, 228 "->", 229 &strm); 230 231 } 232 return true; 233 } 234 return false; 235 } 236 237 238 //------------------------------------------------------------------------- 239 // CommandObjectThreadBacktrace 240 //------------------------------------------------------------------------- 241 242 class CommandObjectThreadBacktrace : public CommandObject 243 { 244 public: 245 246 class CommandOptions : public Options 247 { 248 public: 249 250 CommandOptions () : 251 Options() 252 { 253 // Keep default values of all options in one place: ResetOptionValues () 254 ResetOptionValues (); 255 } 256 257 virtual 258 ~CommandOptions () 259 { 260 } 261 262 virtual Error 263 SetOptionValue (int option_idx, const char *option_arg) 264 { 265 Error error; 266 char short_option = (char) m_getopt_table[option_idx].val; 267 268 switch (short_option) 269 { 270 case 'c': 271 { 272 bool success; 273 int32_t input_count = Args::StringToSInt32 (option_arg, -1, 0, &success); 274 if (!success) 275 error.SetErrorStringWithFormat("Invalid integer value for option '%c'.\n", short_option); 276 if (input_count < -1) 277 m_count = UINT32_MAX; 278 else 279 m_count = input_count; 280 } 281 break; 282 case 's': 283 { 284 bool success; 285 m_start = Args::StringToUInt32 (option_arg, 0, 0, &success); 286 if (!success) 287 error.SetErrorStringWithFormat("Invalid integer value for option '%c'.\n", short_option); 288 } 289 break; 290 default: 291 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 292 break; 293 294 } 295 return error; 296 } 297 298 void 299 ResetOptionValues () 300 { 301 Options::ResetOptionValues(); 302 m_count = -1; 303 m_start = 0; 304 } 305 306 const lldb::OptionDefinition* 307 GetDefinitions () 308 { 309 return g_option_table; 310 } 311 312 // Options table: Required for subclasses of Options. 313 314 static lldb::OptionDefinition g_option_table[]; 315 316 // Instance variables to hold the values for command options. 317 uint32_t m_count; 318 uint32_t m_start; 319 }; 320 321 CommandObjectThreadBacktrace (CommandInterpreter &interpreter) : 322 CommandObject (interpreter, 323 "thread backtrace", 324 "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.", 325 NULL, 326 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused), 327 m_options() 328 { 329 CommandArgumentEntry arg; 330 CommandArgumentData thread_idx_arg; 331 332 // Define the first (and only) variant of this arg. 333 thread_idx_arg.arg_type = eArgTypeThreadIndex; 334 thread_idx_arg.arg_repetition = eArgRepeatStar; 335 336 // There is only one variant this argument could be; put it into the argument entry. 337 arg.push_back (thread_idx_arg); 338 339 // Push the data for the first argument into the m_arguments vector. 340 m_arguments.push_back (arg); 341 } 342 343 ~CommandObjectThreadBacktrace() 344 { 345 } 346 347 virtual Options * 348 GetOptions () 349 { 350 return &m_options; 351 } 352 353 virtual bool 354 Execute (Args& command, CommandReturnObject &result) 355 { 356 357 bool show_frame_info = true; 358 uint32_t num_frames_with_source = 0; // Don't show any frames with source when backtracing 359 360 result.SetStatus (eReturnStatusSuccessFinishResult); 361 362 if (command.GetArgumentCount() == 0) 363 { 364 ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext()); 365 if (exe_ctx.thread) 366 { 367 if (DisplayFramesForExecutionContext (exe_ctx.thread, 368 m_interpreter, 369 result.GetOutputStream(), 370 m_options.m_start, 371 m_options.m_count, 372 show_frame_info, 373 num_frames_with_source, 374 3, 375 3)) 376 { 377 result.SetStatus (eReturnStatusSuccessFinishResult); 378 } 379 } 380 else 381 { 382 result.AppendError ("invalid thread"); 383 result.SetStatus (eReturnStatusFailed); 384 } 385 } 386 else if (command.GetArgumentCount() == 1 && ::strcmp (command.GetArgumentAtIndex(0), "all") == 0) 387 { 388 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 389 uint32_t num_threads = process->GetThreadList().GetSize(); 390 for (uint32_t i = 0; i < num_threads; i++) 391 { 392 ThreadSP thread_sp = process->GetThreadList().GetThreadAtIndex(i); 393 if (!DisplayFramesForExecutionContext (thread_sp.get(), 394 m_interpreter, 395 result.GetOutputStream(), 396 m_options.m_start, 397 m_options.m_count, 398 show_frame_info, 399 num_frames_with_source, 400 3, 401 3)) 402 { 403 result.AppendErrorWithFormat ("error displaying backtrace for thread: \"0x%4.4x\"\n", i); 404 result.SetStatus (eReturnStatusFailed); 405 return false; 406 } 407 if (i < num_threads - 1) 408 result.AppendMessage(""); 409 } 410 } 411 else 412 { 413 uint32_t num_args = command.GetArgumentCount(); 414 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 415 std::vector<ThreadSP> thread_sps; 416 417 for (uint32_t i = 0; i < num_args; i++) 418 { 419 bool success; 420 421 uint32_t thread_idx = Args::StringToUInt32(command.GetArgumentAtIndex(i), 0, 0, &success); 422 if (!success) 423 { 424 result.AppendErrorWithFormat ("invalid thread specification: \"%s\"\n", command.GetArgumentAtIndex(i)); 425 result.SetStatus (eReturnStatusFailed); 426 return false; 427 } 428 429 thread_sps.push_back(process->GetThreadList().FindThreadByIndexID(thread_idx)); 430 431 if (!thread_sps[i]) 432 { 433 result.AppendErrorWithFormat ("no thread with index: \"%s\"\n", command.GetArgumentAtIndex(i)); 434 result.SetStatus (eReturnStatusFailed); 435 return false; 436 } 437 438 } 439 440 for (uint32_t i = 0; i < num_args; i++) 441 { 442 if (!DisplayFramesForExecutionContext (thread_sps[i].get(), 443 m_interpreter, 444 result.GetOutputStream(), 445 m_options.m_start, 446 m_options.m_count, 447 show_frame_info, 448 num_frames_with_source, 449 3, 450 3)) 451 { 452 result.AppendErrorWithFormat ("error displaying backtrace for thread: \"%s\"\n", command.GetArgumentAtIndex(i)); 453 result.SetStatus (eReturnStatusFailed); 454 return false; 455 } 456 457 if (i < num_args - 1) 458 result.AppendMessage(""); 459 } 460 } 461 return result.Succeeded(); 462 } 463 protected: 464 CommandOptions m_options; 465 }; 466 467 lldb::OptionDefinition 468 CommandObjectThreadBacktrace::CommandOptions::g_option_table[] = 469 { 470 { LLDB_OPT_SET_1, false, "count", 'c', required_argument, NULL, 0, eArgTypeCount, "How many frames to display (-1 for all)"}, 471 { LLDB_OPT_SET_1, false, "start", 's', required_argument, NULL, 0, eArgTypeFrameIndex, "Frame in which to start the backtrace"}, 472 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 473 }; 474 475 enum StepScope 476 { 477 eStepScopeSource, 478 eStepScopeInstruction 479 }; 480 481 class CommandObjectThreadStepWithTypeAndScope : public CommandObject 482 { 483 public: 484 485 class CommandOptions : public Options 486 { 487 public: 488 489 CommandOptions () : 490 Options() 491 { 492 // Keep default values of all options in one place: ResetOptionValues () 493 ResetOptionValues (); 494 } 495 496 virtual 497 ~CommandOptions () 498 { 499 } 500 501 virtual Error 502 SetOptionValue (int option_idx, const char *option_arg) 503 { 504 Error error; 505 char short_option = (char) m_getopt_table[option_idx].val; 506 507 switch (short_option) 508 { 509 case 'a': 510 { 511 bool success; 512 m_avoid_no_debug = Args::StringToBoolean (option_arg, true, &success); 513 if (!success) 514 error.SetErrorStringWithFormat("Invalid boolean value for option '%c'.\n", short_option); 515 } 516 break; 517 518 case 'm': 519 { 520 bool found_one = false; 521 OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values; 522 m_run_mode = (lldb::RunMode) Args::StringToOptionEnum(option_arg, enum_values, eOnlyDuringStepping, &found_one); 523 if (!found_one) 524 error.SetErrorStringWithFormat("Invalid enumeration value for option '%c'.\n", short_option); 525 } 526 break; 527 528 case 'r': 529 { 530 m_avoid_regexp.clear(); 531 m_avoid_regexp.assign(option_arg); 532 } 533 break; 534 535 default: 536 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 537 break; 538 539 } 540 return error; 541 } 542 543 void 544 ResetOptionValues () 545 { 546 Options::ResetOptionValues(); 547 m_avoid_no_debug = true; 548 m_run_mode = eOnlyDuringStepping; 549 m_avoid_regexp.clear(); 550 } 551 552 const lldb::OptionDefinition* 553 GetDefinitions () 554 { 555 return g_option_table; 556 } 557 558 // Options table: Required for subclasses of Options. 559 560 static lldb::OptionDefinition g_option_table[]; 561 562 // Instance variables to hold the values for command options. 563 bool m_avoid_no_debug; 564 RunMode m_run_mode; 565 std::string m_avoid_regexp; 566 }; 567 568 CommandObjectThreadStepWithTypeAndScope (CommandInterpreter &interpreter, 569 const char *name, 570 const char *help, 571 const char *syntax, 572 uint32_t flags, 573 StepType step_type, 574 StepScope step_scope) : 575 CommandObject (interpreter, name, help, syntax, flags), 576 m_step_type (step_type), 577 m_step_scope (step_scope), 578 m_options () 579 { 580 CommandArgumentEntry arg; 581 CommandArgumentData thread_id_arg; 582 583 // Define the first (and only) variant of this arg. 584 thread_id_arg.arg_type = eArgTypeThreadID; 585 thread_id_arg.arg_repetition = eArgRepeatOptional; 586 587 // There is only one variant this argument could be; put it into the argument entry. 588 arg.push_back (thread_id_arg); 589 590 // Push the data for the first argument into the m_arguments vector. 591 m_arguments.push_back (arg); 592 } 593 594 virtual 595 ~CommandObjectThreadStepWithTypeAndScope () 596 { 597 } 598 599 virtual 600 Options * 601 GetOptions () 602 { 603 return &m_options; 604 } 605 606 virtual bool 607 Execute 608 ( 609 Args& command, 610 CommandReturnObject &result 611 ) 612 { 613 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 614 bool synchronous_execution = m_interpreter.GetSynchronous(); 615 616 if (process == NULL) 617 { 618 result.AppendError ("need a valid process to step"); 619 result.SetStatus (eReturnStatusFailed); 620 621 } 622 else 623 { 624 const uint32_t num_threads = process->GetThreadList().GetSize(); 625 Thread *thread = NULL; 626 627 if (command.GetArgumentCount() == 0) 628 { 629 thread = process->GetThreadList().GetSelectedThread().get(); 630 if (thread == NULL) 631 { 632 result.AppendError ("no selected thread in process"); 633 result.SetStatus (eReturnStatusFailed); 634 return false; 635 } 636 } 637 else 638 { 639 const char *thread_idx_cstr = command.GetArgumentAtIndex(0); 640 uint32_t step_thread_idx = Args::StringToUInt32 (thread_idx_cstr, LLDB_INVALID_INDEX32); 641 if (step_thread_idx == LLDB_INVALID_INDEX32) 642 { 643 result.AppendErrorWithFormat ("Invalid thread index '%s'.\n", thread_idx_cstr); 644 result.SetStatus (eReturnStatusFailed); 645 return false; 646 } 647 thread = process->GetThreadList().FindThreadByIndexID(step_thread_idx).get(); 648 if (thread == NULL) 649 { 650 result.AppendErrorWithFormat ("Thread index %u is out of range (valid values are 0 - %u).\n", 651 step_thread_idx, 0, num_threads); 652 result.SetStatus (eReturnStatusFailed); 653 return false; 654 } 655 } 656 657 const bool abort_other_plans = false; 658 const lldb::RunMode stop_other_threads = m_options.m_run_mode; 659 660 // This is a bit unfortunate, but not all the commands in this command object support 661 // only while stepping, so I use the bool for them. 662 bool bool_stop_other_threads; 663 if (m_options.m_run_mode == eAllThreads) 664 bool_stop_other_threads = false; 665 else 666 bool_stop_other_threads = true; 667 668 if (m_step_type == eStepTypeInto) 669 { 670 StackFrame *frame = thread->GetStackFrameAtIndex(0).get(); 671 ThreadPlan *new_plan; 672 673 if (frame->HasDebugInformation ()) 674 { 675 new_plan = thread->QueueThreadPlanForStepRange (abort_other_plans, m_step_type, 676 frame->GetSymbolContext(eSymbolContextEverything).line_entry.range, 677 frame->GetSymbolContext(eSymbolContextEverything), 678 stop_other_threads, 679 m_options.m_avoid_no_debug); 680 if (new_plan && !m_options.m_avoid_regexp.empty()) 681 { 682 ThreadPlanStepInRange *step_in_range_plan = static_cast<ThreadPlanStepInRange *> (new_plan); 683 step_in_range_plan->SetAvoidRegexp(m_options.m_avoid_regexp.c_str()); 684 } 685 } 686 else 687 new_plan = thread->QueueThreadPlanForStepSingleInstruction (false, abort_other_plans, bool_stop_other_threads); 688 689 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 690 process->Resume (); 691 } 692 else if (m_step_type == eStepTypeOver) 693 { 694 StackFrame *frame = thread->GetStackFrameAtIndex(0).get(); 695 ThreadPlan *new_plan; 696 697 if (frame->HasDebugInformation()) 698 new_plan = thread->QueueThreadPlanForStepRange (abort_other_plans, 699 m_step_type, 700 frame->GetSymbolContext(eSymbolContextEverything).line_entry.range, 701 frame->GetSymbolContext(eSymbolContextEverything), 702 stop_other_threads, 703 false); 704 else 705 new_plan = thread->QueueThreadPlanForStepSingleInstruction (true, 706 abort_other_plans, 707 bool_stop_other_threads); 708 709 // FIXME: This will keep the step plan on the thread stack when we hit a breakpoint while stepping over. 710 // Maybe there should be a parameter to control this. 711 new_plan->SetOkayToDiscard(false); 712 713 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 714 process->Resume (); 715 } 716 else if (m_step_type == eStepTypeTrace) 717 { 718 thread->QueueThreadPlanForStepSingleInstruction (false, abort_other_plans, bool_stop_other_threads); 719 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 720 process->Resume (); 721 } 722 else if (m_step_type == eStepTypeTraceOver) 723 { 724 thread->QueueThreadPlanForStepSingleInstruction (true, abort_other_plans, bool_stop_other_threads); 725 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 726 process->Resume (); 727 } 728 else if (m_step_type == eStepTypeOut) 729 { 730 ThreadPlan *new_plan; 731 732 new_plan = thread->QueueThreadPlanForStepOut (abort_other_plans, 733 NULL, 734 false, 735 bool_stop_other_threads, 736 eVoteYes, 737 eVoteNoOpinion, 738 thread->GetSelectedFrameIndex()); 739 // FIXME: This will keep the step plan on the thread stack when we hit a breakpoint while stepping over. 740 // Maybe there should be a parameter to control this. 741 new_plan->SetOkayToDiscard(false); 742 743 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 744 process->Resume (); 745 } 746 else 747 { 748 result.AppendError ("step type is not supported"); 749 result.SetStatus (eReturnStatusFailed); 750 } 751 if (synchronous_execution) 752 { 753 StateType state = process->WaitForProcessToStop (NULL); 754 755 //EventSP event_sp; 756 //StateType state = process->WaitForStateChangedEvents (NULL, event_sp); 757 //while (! StateIsStoppedState (state)) 758 // { 759 // state = process->WaitForStateChangedEvents (NULL, event_sp); 760 // } 761 process->GetThreadList().SetSelectedThreadByID (thread->GetID()); 762 result.SetDidChangeProcessState (true); 763 result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); 764 result.SetStatus (eReturnStatusSuccessFinishNoResult); 765 } 766 } 767 return result.Succeeded(); 768 } 769 770 protected: 771 StepType m_step_type; 772 StepScope m_step_scope; 773 CommandOptions m_options; 774 }; 775 776 static lldb::OptionEnumValueElement 777 g_tri_running_mode[] = 778 { 779 { eOnlyThisThread, "this-thread", "Run only this thread"}, 780 { eAllThreads, "all-threads", "Run all threads"}, 781 { eOnlyDuringStepping, "while-stepping", "Run only this thread while stepping"}, 782 { 0, NULL, NULL } 783 }; 784 785 static lldb::OptionEnumValueElement 786 g_duo_running_mode[] = 787 { 788 { eOnlyThisThread, "this-thread", "Run only this thread"}, 789 { eAllThreads, "all-threads", "Run all threads"}, 790 { 0, NULL, NULL } 791 }; 792 793 lldb::OptionDefinition 794 CommandObjectThreadStepWithTypeAndScope::CommandOptions::g_option_table[] = 795 { 796 { 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."}, 797 { 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."}, 798 { LLDB_OPT_SET_1, false, "step-over-regexp",'r', required_argument, NULL, 0, eArgTypeRegularExpression, "A regular expression that defines function names to step over."}, 799 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 800 }; 801 802 803 //------------------------------------------------------------------------- 804 // CommandObjectThreadContinue 805 //------------------------------------------------------------------------- 806 807 class CommandObjectThreadContinue : public CommandObject 808 { 809 public: 810 811 CommandObjectThreadContinue (CommandInterpreter &interpreter) : 812 CommandObject (interpreter, 813 "thread continue", 814 "Continue execution of one or more threads in an active process.", 815 NULL, 816 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 817 { 818 CommandArgumentEntry arg; 819 CommandArgumentData thread_idx_arg; 820 821 // Define the first (and only) variant of this arg. 822 thread_idx_arg.arg_type = eArgTypeThreadIndex; 823 thread_idx_arg.arg_repetition = eArgRepeatPlus; 824 825 // There is only one variant this argument could be; put it into the argument entry. 826 arg.push_back (thread_idx_arg); 827 828 // Push the data for the first argument into the m_arguments vector. 829 m_arguments.push_back (arg); 830 } 831 832 833 virtual 834 ~CommandObjectThreadContinue () 835 { 836 } 837 838 virtual bool 839 Execute 840 ( 841 Args& command, 842 CommandReturnObject &result 843 ) 844 { 845 bool synchronous_execution = m_interpreter.GetSynchronous (); 846 847 if (!m_interpreter.GetDebugger().GetSelectedTarget().get()) 848 { 849 result.AppendError ("invalid target, set executable file using 'file' command"); 850 result.SetStatus (eReturnStatusFailed); 851 return false; 852 } 853 854 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 855 if (process == NULL) 856 { 857 result.AppendError ("no process exists. Cannot continue"); 858 result.SetStatus (eReturnStatusFailed); 859 return false; 860 } 861 862 StateType state = process->GetState(); 863 if ((state == eStateCrashed) || (state == eStateStopped) || (state == eStateSuspended)) 864 { 865 const uint32_t num_threads = process->GetThreadList().GetSize(); 866 uint32_t idx; 867 const size_t argc = command.GetArgumentCount(); 868 if (argc > 0) 869 { 870 std::vector<uint32_t> resume_thread_indexes; 871 for (uint32_t i=0; i<argc; ++i) 872 { 873 idx = Args::StringToUInt32 (command.GetArgumentAtIndex(0), LLDB_INVALID_INDEX32); 874 if (idx < num_threads) 875 resume_thread_indexes.push_back(idx); 876 else 877 result.AppendWarningWithFormat("Thread index %u out of range.\n", idx); 878 } 879 880 if (resume_thread_indexes.empty()) 881 { 882 result.AppendError ("no valid thread indexes were specified"); 883 result.SetStatus (eReturnStatusFailed); 884 return false; 885 } 886 else 887 { 888 result.AppendMessage ("Resuming thread "); 889 for (idx=0; idx<num_threads; ++idx) 890 { 891 Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get(); 892 if (find(resume_thread_indexes.begin(), resume_thread_indexes.end(), idx) != resume_thread_indexes.end()) 893 { 894 result.AppendMessageWithFormat ("%u ", idx); 895 thread->SetResumeState (eStateRunning); 896 } 897 else 898 { 899 thread->SetResumeState (eStateSuspended); 900 } 901 } 902 result.AppendMessageWithFormat ("in process %i\n", process->GetID()); 903 } 904 } 905 else 906 { 907 Thread *current_thread = process->GetThreadList().GetSelectedThread().get(); 908 if (current_thread == NULL) 909 { 910 result.AppendError ("the process doesn't have a current thread"); 911 result.SetStatus (eReturnStatusFailed); 912 return false; 913 } 914 // Set the actions that the threads should each take when resuming 915 for (idx=0; idx<num_threads; ++idx) 916 { 917 Thread *thread = process->GetThreadList().GetThreadAtIndex(idx).get(); 918 if (thread == current_thread) 919 { 920 result.AppendMessageWithFormat ("Resuming thread 0x%4.4x in process %i\n", thread->GetID(), process->GetID()); 921 thread->SetResumeState (eStateRunning); 922 } 923 else 924 { 925 thread->SetResumeState (eStateSuspended); 926 } 927 } 928 } 929 930 Error error (process->Resume()); 931 if (error.Success()) 932 { 933 result.AppendMessageWithFormat ("Process %i resuming\n", process->GetID()); 934 if (synchronous_execution) 935 { 936 state = process->WaitForProcessToStop (NULL); 937 938 result.SetDidChangeProcessState (true); 939 result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); 940 result.SetStatus (eReturnStatusSuccessFinishNoResult); 941 } 942 else 943 { 944 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 945 } 946 } 947 else 948 { 949 result.AppendErrorWithFormat("Failed to resume process: %s\n", error.AsCString()); 950 result.SetStatus (eReturnStatusFailed); 951 } 952 } 953 else 954 { 955 result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n", 956 StateAsCString(state)); 957 result.SetStatus (eReturnStatusFailed); 958 } 959 960 return result.Succeeded(); 961 } 962 963 }; 964 965 //------------------------------------------------------------------------- 966 // CommandObjectThreadUntil 967 //------------------------------------------------------------------------- 968 969 class CommandObjectThreadUntil : public CommandObject 970 { 971 public: 972 973 class CommandOptions : public Options 974 { 975 public: 976 uint32_t m_thread_idx; 977 uint32_t m_frame_idx; 978 979 CommandOptions () : 980 Options(), 981 m_thread_idx(LLDB_INVALID_THREAD_ID), 982 m_frame_idx(LLDB_INVALID_FRAME_ID) 983 { 984 // Keep default values of all options in one place: ResetOptionValues () 985 ResetOptionValues (); 986 } 987 988 virtual 989 ~CommandOptions () 990 { 991 } 992 993 virtual Error 994 SetOptionValue (int option_idx, const char *option_arg) 995 { 996 Error error; 997 char short_option = (char) m_getopt_table[option_idx].val; 998 999 switch (short_option) 1000 { 1001 case 't': 1002 { 1003 m_thread_idx = Args::StringToUInt32 (option_arg, LLDB_INVALID_INDEX32); 1004 if (m_thread_idx == LLDB_INVALID_INDEX32) 1005 { 1006 error.SetErrorStringWithFormat ("Invalid thread index '%s'.\n", option_arg); 1007 } 1008 } 1009 break; 1010 case 'f': 1011 { 1012 m_frame_idx = Args::StringToUInt32 (option_arg, LLDB_INVALID_FRAME_ID); 1013 if (m_frame_idx == LLDB_INVALID_FRAME_ID) 1014 { 1015 error.SetErrorStringWithFormat ("Invalid frame index '%s'.\n", option_arg); 1016 } 1017 } 1018 break; 1019 case 'm': 1020 { 1021 bool found_one = false; 1022 OptionEnumValueElement *enum_values = g_option_table[option_idx].enum_values; 1023 lldb::RunMode run_mode = (lldb::RunMode) Args::StringToOptionEnum(option_arg, enum_values, eOnlyDuringStepping, &found_one); 1024 1025 if (!found_one) 1026 error.SetErrorStringWithFormat("Invalid enumeration value for option '%c'.\n", short_option); 1027 else if (run_mode == eAllThreads) 1028 m_stop_others = false; 1029 else 1030 m_stop_others = true; 1031 1032 } 1033 break; 1034 default: 1035 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 1036 break; 1037 1038 } 1039 return error; 1040 } 1041 1042 void 1043 ResetOptionValues () 1044 { 1045 Options::ResetOptionValues(); 1046 m_thread_idx = LLDB_INVALID_THREAD_ID; 1047 m_frame_idx = 0; 1048 m_stop_others = false; 1049 } 1050 1051 const lldb::OptionDefinition* 1052 GetDefinitions () 1053 { 1054 return g_option_table; 1055 } 1056 1057 uint32_t m_step_thread_idx; 1058 bool m_stop_others; 1059 1060 // Options table: Required for subclasses of Options. 1061 1062 static lldb::OptionDefinition g_option_table[]; 1063 1064 // Instance variables to hold the values for command options. 1065 }; 1066 1067 CommandObjectThreadUntil (CommandInterpreter &interpreter) : 1068 CommandObject (interpreter, 1069 "thread until", 1070 "Run the current or specified thread until it reaches a given line number or leaves the current function.", 1071 NULL, 1072 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused), 1073 m_options () 1074 { 1075 CommandArgumentEntry arg; 1076 CommandArgumentData line_num_arg; 1077 1078 // Define the first (and only) variant of this arg. 1079 line_num_arg.arg_type = eArgTypeLineNum; 1080 line_num_arg.arg_repetition = eArgRepeatPlain; 1081 1082 // There is only one variant this argument could be; put it into the argument entry. 1083 arg.push_back (line_num_arg); 1084 1085 // Push the data for the first argument into the m_arguments vector. 1086 m_arguments.push_back (arg); 1087 } 1088 1089 1090 virtual 1091 ~CommandObjectThreadUntil () 1092 { 1093 } 1094 1095 virtual 1096 Options * 1097 GetOptions () 1098 { 1099 return &m_options; 1100 } 1101 1102 virtual bool 1103 Execute 1104 ( 1105 Args& command, 1106 CommandReturnObject &result 1107 ) 1108 { 1109 bool synchronous_execution = m_interpreter.GetSynchronous (); 1110 1111 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 1112 if (target == NULL) 1113 { 1114 result.AppendError ("invalid target, set executable file using 'file' command"); 1115 result.SetStatus (eReturnStatusFailed); 1116 return false; 1117 } 1118 1119 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 1120 if (process == NULL) 1121 { 1122 result.AppendError ("need a valid process to step"); 1123 result.SetStatus (eReturnStatusFailed); 1124 1125 } 1126 else 1127 { 1128 Thread *thread = NULL; 1129 uint32_t line_number; 1130 1131 if (command.GetArgumentCount() != 1) 1132 { 1133 result.AppendErrorWithFormat ("No line number provided:\n%s", GetSyntax()); 1134 result.SetStatus (eReturnStatusFailed); 1135 return false; 1136 } 1137 1138 line_number = Args::StringToUInt32 (command.GetArgumentAtIndex(0), UINT32_MAX); 1139 if (line_number == UINT32_MAX) 1140 { 1141 result.AppendErrorWithFormat ("Invalid line number: '%s'.\n", command.GetArgumentAtIndex(0)); 1142 result.SetStatus (eReturnStatusFailed); 1143 return false; 1144 } 1145 1146 if (m_options.m_thread_idx == LLDB_INVALID_THREAD_ID) 1147 { 1148 thread = process->GetThreadList().GetSelectedThread().get(); 1149 } 1150 else 1151 { 1152 thread = process->GetThreadList().GetThreadAtIndex(m_options.m_thread_idx).get(); 1153 } 1154 1155 if (thread == NULL) 1156 { 1157 const uint32_t num_threads = process->GetThreadList().GetSize(); 1158 result.AppendErrorWithFormat ("Thread index %u is out of range (valid values are 0 - %u).\n", m_options.m_thread_idx, 0, num_threads); 1159 result.SetStatus (eReturnStatusFailed); 1160 return false; 1161 } 1162 1163 const bool abort_other_plans = true; 1164 1165 StackFrame *frame = thread->GetStackFrameAtIndex(m_options.m_frame_idx).get(); 1166 if (frame == NULL) 1167 { 1168 1169 result.AppendErrorWithFormat ("Frame index %u is out of range for thread %u.\n", m_options.m_frame_idx, m_options.m_thread_idx); 1170 result.SetStatus (eReturnStatusFailed); 1171 return false; 1172 } 1173 1174 ThreadPlan *new_plan; 1175 1176 if (frame->HasDebugInformation ()) 1177 { 1178 // Finally we got here... Translate the given line number to a bunch of addresses: 1179 SymbolContext sc(frame->GetSymbolContext (eSymbolContextCompUnit)); 1180 LineTable *line_table = NULL; 1181 if (sc.comp_unit) 1182 line_table = sc.comp_unit->GetLineTable(); 1183 1184 if (line_table == NULL) 1185 { 1186 result.AppendErrorWithFormat ("Failed to resolve the line table for frame %u of thread index %u.\n", 1187 m_options.m_frame_idx, m_options.m_thread_idx); 1188 result.SetStatus (eReturnStatusFailed); 1189 return false; 1190 } 1191 1192 LineEntry function_start; 1193 uint32_t index_ptr = 0, end_ptr; 1194 std::vector<addr_t> address_list; 1195 1196 // Find the beginning & end index of the 1197 AddressRange fun_addr_range = sc.function->GetAddressRange(); 1198 Address fun_start_addr = fun_addr_range.GetBaseAddress(); 1199 line_table->FindLineEntryByAddress (fun_start_addr, function_start, &index_ptr); 1200 1201 Address fun_end_addr(fun_start_addr.GetSection(), fun_start_addr.GetOffset() + fun_addr_range.GetByteSize()); 1202 line_table->FindLineEntryByAddress (fun_end_addr, function_start, &end_ptr); 1203 1204 while (index_ptr <= end_ptr) 1205 { 1206 LineEntry line_entry; 1207 index_ptr = sc.comp_unit->FindLineEntry(index_ptr, line_number, sc.comp_unit, &line_entry); 1208 if (index_ptr == UINT32_MAX) 1209 break; 1210 1211 addr_t address = line_entry.range.GetBaseAddress().GetLoadAddress(target); 1212 if (address != LLDB_INVALID_ADDRESS) 1213 address_list.push_back (address); 1214 index_ptr++; 1215 } 1216 1217 new_plan = thread->QueueThreadPlanForStepUntil (abort_other_plans, &address_list.front(), address_list.size(), m_options.m_stop_others, thread->GetSelectedFrameIndex ()); 1218 new_plan->SetOkayToDiscard(false); 1219 } 1220 else 1221 { 1222 result.AppendErrorWithFormat ("Frame index %u of thread %u has no debug information.\n", m_options.m_frame_idx, m_options.m_thread_idx); 1223 result.SetStatus (eReturnStatusFailed); 1224 return false; 1225 1226 } 1227 1228 process->GetThreadList().SetSelectedThreadByID (m_options.m_thread_idx); 1229 Error error (process->Resume ()); 1230 if (error.Success()) 1231 { 1232 result.AppendMessageWithFormat ("Process %i resuming\n", process->GetID()); 1233 if (synchronous_execution) 1234 { 1235 StateType state = process->WaitForProcessToStop (NULL); 1236 1237 result.SetDidChangeProcessState (true); 1238 result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); 1239 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1240 } 1241 else 1242 { 1243 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 1244 } 1245 } 1246 else 1247 { 1248 result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); 1249 result.SetStatus (eReturnStatusFailed); 1250 } 1251 1252 } 1253 return result.Succeeded(); 1254 } 1255 protected: 1256 CommandOptions m_options; 1257 1258 }; 1259 1260 lldb::OptionDefinition 1261 CommandObjectThreadUntil::CommandOptions::g_option_table[] = 1262 { 1263 { LLDB_OPT_SET_1, false, "frame", 'f', required_argument, NULL, 0, eArgTypeFrameIndex, "Frame index for until operation - defaults to 0"}, 1264 { LLDB_OPT_SET_1, false, "thread", 't', required_argument, NULL, 0, eArgTypeThreadIndex, "Thread index for the thread for until operation"}, 1265 { 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"}, 1266 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1267 }; 1268 1269 1270 //------------------------------------------------------------------------- 1271 // CommandObjectThreadSelect 1272 //------------------------------------------------------------------------- 1273 1274 class CommandObjectThreadSelect : public CommandObject 1275 { 1276 public: 1277 1278 CommandObjectThreadSelect (CommandInterpreter &interpreter) : 1279 CommandObject (interpreter, 1280 "thread select", 1281 "Select a thread as the currently active thread.", 1282 NULL, 1283 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 1284 { 1285 CommandArgumentEntry arg; 1286 CommandArgumentData thread_idx_arg; 1287 1288 // Define the first (and only) variant of this arg. 1289 thread_idx_arg.arg_type = eArgTypeThreadIndex; 1290 thread_idx_arg.arg_repetition = eArgRepeatPlain; 1291 1292 // There is only one variant this argument could be; put it into the argument entry. 1293 arg.push_back (thread_idx_arg); 1294 1295 // Push the data for the first argument into the m_arguments vector. 1296 m_arguments.push_back (arg); 1297 } 1298 1299 1300 virtual 1301 ~CommandObjectThreadSelect () 1302 { 1303 } 1304 1305 virtual bool 1306 Execute 1307 ( 1308 Args& command, 1309 CommandReturnObject &result 1310 ) 1311 { 1312 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 1313 if (process == NULL) 1314 { 1315 result.AppendError ("no process"); 1316 result.SetStatus (eReturnStatusFailed); 1317 return false; 1318 } 1319 else if (command.GetArgumentCount() != 1) 1320 { 1321 result.AppendErrorWithFormat("'%s' takes exactly one thread index argument:\nUsage: \n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); 1322 result.SetStatus (eReturnStatusFailed); 1323 return false; 1324 } 1325 1326 uint32_t index_id = Args::StringToUInt32(command.GetArgumentAtIndex(0), 0, 0); 1327 1328 Thread *new_thread = process->GetThreadList().FindThreadByIndexID(index_id).get(); 1329 if (new_thread == NULL) 1330 { 1331 result.AppendErrorWithFormat ("Invalid thread #%s.\n", command.GetArgumentAtIndex(0)); 1332 result.SetStatus (eReturnStatusFailed); 1333 return false; 1334 } 1335 1336 process->GetThreadList().SetSelectedThreadByID(new_thread->GetID()); 1337 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1338 1339 DisplayThreadInfo (m_interpreter, 1340 result.GetOutputStream(), 1341 new_thread, 1342 false, 1343 true); 1344 1345 return result.Succeeded(); 1346 } 1347 1348 }; 1349 1350 1351 //------------------------------------------------------------------------- 1352 // CommandObjectThreadList 1353 //------------------------------------------------------------------------- 1354 1355 class CommandObjectThreadList : public CommandObject 1356 { 1357 public: 1358 1359 1360 CommandObjectThreadList (CommandInterpreter &interpreter): 1361 CommandObject (interpreter, 1362 "thread list", 1363 "Show a summary of all current threads in a process.", 1364 "thread list", 1365 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 1366 { 1367 } 1368 1369 ~CommandObjectThreadList() 1370 { 1371 } 1372 1373 bool 1374 Execute 1375 ( 1376 Args& command, 1377 CommandReturnObject &result 1378 ) 1379 { 1380 StreamString &strm = result.GetOutputStream(); 1381 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1382 ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext()); 1383 if (exe_ctx.process) 1384 { 1385 const StateType state = exe_ctx.process->GetState(); 1386 1387 if (StateIsStoppedState(state)) 1388 { 1389 if (state == eStateExited) 1390 { 1391 int exit_status = exe_ctx.process->GetExitStatus(); 1392 const char *exit_description = exe_ctx.process->GetExitDescription(); 1393 strm.Printf ("Process %d exited with status = %i (0x%8.8x) %s\n", 1394 exe_ctx.process->GetID(), 1395 exit_status, 1396 exit_status, 1397 exit_description ? exit_description : ""); 1398 } 1399 else 1400 { 1401 strm.Printf ("Process %d state is %s\n", exe_ctx.process->GetID(), StateAsCString (state)); 1402 if (exe_ctx.thread == NULL) 1403 exe_ctx.thread = exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get(); 1404 if (exe_ctx.thread != NULL) 1405 { 1406 DisplayThreadsInfo (m_interpreter, &exe_ctx, result, false, false); 1407 } 1408 else 1409 { 1410 result.AppendError ("no valid thread found in current process"); 1411 result.SetStatus (eReturnStatusFailed); 1412 } 1413 } 1414 } 1415 else 1416 { 1417 result.AppendError ("process is currently running"); 1418 result.SetStatus (eReturnStatusFailed); 1419 } 1420 } 1421 else 1422 { 1423 result.AppendError ("no current location or status available"); 1424 result.SetStatus (eReturnStatusFailed); 1425 } 1426 return result.Succeeded(); 1427 } 1428 }; 1429 1430 //------------------------------------------------------------------------- 1431 // CommandObjectMultiwordThread 1432 //------------------------------------------------------------------------- 1433 1434 CommandObjectMultiwordThread::CommandObjectMultiwordThread (CommandInterpreter &interpreter) : 1435 CommandObjectMultiword (interpreter, 1436 "thread", 1437 "A set of commands for operating on one or more threads within a running process.", 1438 "thread <subcommand> [<subcommand-options>]") 1439 { 1440 LoadSubCommand ("backtrace", CommandObjectSP (new CommandObjectThreadBacktrace (interpreter))); 1441 LoadSubCommand ("continue", CommandObjectSP (new CommandObjectThreadContinue (interpreter))); 1442 LoadSubCommand ("list", CommandObjectSP (new CommandObjectThreadList (interpreter))); 1443 LoadSubCommand ("select", CommandObjectSP (new CommandObjectThreadSelect (interpreter))); 1444 LoadSubCommand ("until", CommandObjectSP (new CommandObjectThreadUntil (interpreter))); 1445 LoadSubCommand ("step-in", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1446 interpreter, 1447 "thread step-in", 1448 "Source level single step in specified thread (current thread, if none specified).", 1449 NULL, 1450 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused, 1451 eStepTypeInto, 1452 eStepScopeSource))); 1453 1454 LoadSubCommand ("step-out", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1455 interpreter, 1456 "thread step-out", 1457 "Finish executing the current fucntion and return to its call site in specified thread (current thread, if none specified).", 1458 NULL, 1459 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused, 1460 eStepTypeOut, 1461 eStepScopeSource))); 1462 1463 LoadSubCommand ("step-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1464 interpreter, 1465 "thread step-over", 1466 "Source level single step in specified thread (current thread, if none specified), stepping over calls.", 1467 NULL, 1468 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused, 1469 eStepTypeOver, 1470 eStepScopeSource))); 1471 1472 LoadSubCommand ("step-inst", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1473 interpreter, 1474 "thread step-inst", 1475 "Single step one instruction in specified thread (current thread, if none specified).", 1476 NULL, 1477 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused, 1478 eStepTypeTrace, 1479 eStepScopeInstruction))); 1480 1481 LoadSubCommand ("step-inst-over", CommandObjectSP (new CommandObjectThreadStepWithTypeAndScope ( 1482 interpreter, 1483 "thread step-inst-over", 1484 "Single step one instruction in specified thread (current thread, if none specified), stepping over calls.", 1485 NULL, 1486 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused, 1487 eStepTypeTraceOver, 1488 eStepScopeInstruction))); 1489 } 1490 1491 CommandObjectMultiwordThread::~CommandObjectMultiwordThread () 1492 { 1493 } 1494 1495 1496