1 //===-- CommandObjectProcess.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 "CommandObjectProcess.h" 11 12 // C Includes 13 // C++ Includes 14 // Other libraries and framework includes 15 // Project includes 16 #include "lldb/Interpreter/Args.h" 17 #include "lldb/Interpreter/Options.h" 18 #include "lldb/Core/State.h" 19 #include "lldb/Host/Host.h" 20 #include "lldb/Interpreter/CommandInterpreter.h" 21 #include "lldb/Interpreter/CommandReturnObject.h" 22 #include "lldb/Target/Platform.h" 23 #include "lldb/Target/Process.h" 24 #include "lldb/Target/Target.h" 25 #include "lldb/Target/Thread.h" 26 27 using namespace lldb; 28 using namespace lldb_private; 29 30 //------------------------------------------------------------------------- 31 // CommandObjectProcessLaunch 32 //------------------------------------------------------------------------- 33 #pragma mark CommandObjectProcessLaunch 34 class CommandObjectProcessLaunch : public CommandObject 35 { 36 public: 37 38 CommandObjectProcessLaunch (CommandInterpreter &interpreter) : 39 CommandObject (interpreter, 40 "process launch", 41 "Launch the executable in the debugger.", 42 NULL), 43 m_options (interpreter) 44 { 45 CommandArgumentEntry arg; 46 CommandArgumentData run_args_arg; 47 48 // Define the first (and only) variant of this arg. 49 run_args_arg.arg_type = eArgTypeRunArgs; 50 run_args_arg.arg_repetition = eArgRepeatOptional; 51 52 // There is only one variant this argument could be; put it into the argument entry. 53 arg.push_back (run_args_arg); 54 55 // Push the data for the first argument into the m_arguments vector. 56 m_arguments.push_back (arg); 57 } 58 59 60 ~CommandObjectProcessLaunch () 61 { 62 } 63 64 Options * 65 GetOptions () 66 { 67 return &m_options; 68 } 69 70 bool 71 Execute (Args& launch_args, CommandReturnObject &result) 72 { 73 Debugger &debugger = m_interpreter.GetDebugger(); 74 Target *target = debugger.GetSelectedTarget().get(); 75 Error error; 76 77 if (target == NULL) 78 { 79 result.AppendError ("invalid target, create a debug target using the 'target create' command"); 80 result.SetStatus (eReturnStatusFailed); 81 return false; 82 } 83 // If our listener is NULL, users aren't allows to launch 84 char filename[PATH_MAX]; 85 const Module *exe_module = target->GetExecutableModulePointer(); 86 87 if (exe_module == NULL) 88 { 89 result.AppendError ("no file in target, create a debug target using the 'target create' command"); 90 result.SetStatus (eReturnStatusFailed); 91 return false; 92 } 93 94 exe_module->GetFileSpec().GetPath (filename, sizeof(filename)); 95 96 const bool add_exe_file_as_first_arg = true; 97 m_options.launch_info.SetExecutableFile(exe_module->GetPlatformFileSpec(), add_exe_file_as_first_arg); 98 99 StateType state = eStateInvalid; 100 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 101 if (process) 102 { 103 state = process->GetState(); 104 105 if (process->IsAlive() && state != eStateConnected) 106 { 107 char message[1024]; 108 if (process->GetState() == eStateAttaching) 109 ::strncpy (message, "There is a pending attach, abort it and launch a new process?", sizeof(message)); 110 else 111 ::strncpy (message, "There is a running process, kill it and restart?", sizeof(message)); 112 113 if (!m_interpreter.Confirm (message, true)) 114 { 115 result.SetStatus (eReturnStatusFailed); 116 return false; 117 } 118 else 119 { 120 Error destroy_error (process->Destroy()); 121 if (destroy_error.Success()) 122 { 123 result.SetStatus (eReturnStatusSuccessFinishResult); 124 } 125 else 126 { 127 result.AppendErrorWithFormat ("Failed to kill process: %s\n", destroy_error.AsCString()); 128 result.SetStatus (eReturnStatusFailed); 129 } 130 } 131 } 132 } 133 134 if (launch_args.GetArgumentCount() == 0) 135 { 136 const Args &process_args = target->GetRunArguments(); 137 if (process_args.GetArgumentCount() > 0) 138 m_options.launch_info.GetArguments().AppendArguments (process_args); 139 } 140 else 141 { 142 // Save the arguments for subsequent runs in the current target. 143 target->SetRunArguments (launch_args); 144 145 m_options.launch_info.GetArguments().AppendArguments (launch_args); 146 } 147 148 if (target->GetDisableASLR()) 149 m_options.launch_info.GetFlags().Set (eLaunchFlagDisableASLR); 150 151 if (target->GetDisableSTDIO()) 152 m_options.launch_info.GetFlags().Set (eLaunchFlagDisableSTDIO); 153 154 m_options.launch_info.GetFlags().Set (eLaunchFlagDebug); 155 156 Args environment; 157 target->GetEnvironmentAsArgs (environment); 158 if (environment.GetArgumentCount() > 0) 159 m_options.launch_info.GetEnvironmentEntries ().AppendArguments (environment); 160 161 // Finalize the file actions, and if none were given, default to opening 162 // up a pseudo terminal 163 const bool default_to_use_pty = true; 164 m_options.launch_info.FinalizeFileActions (target, default_to_use_pty); 165 166 if (state == eStateConnected) 167 { 168 if (m_options.launch_info.GetFlags().Test (eLaunchFlagLaunchInTTY)) 169 { 170 result.AppendWarning("can't launch in tty when launching through a remote connection"); 171 m_options.launch_info.GetFlags().Clear (eLaunchFlagLaunchInTTY); 172 } 173 } 174 else 175 { 176 if (!m_options.launch_info.GetArchitecture().IsValid()) 177 m_options.launch_info.GetArchitecture() = target->GetArchitecture(); 178 179 PlatformSP platform_sp (target->GetPlatform()); 180 181 if (platform_sp && platform_sp->CanDebugProcess ()) 182 { 183 process = target->GetPlatform()->DebugProcess (m_options.launch_info, 184 debugger, 185 target, 186 debugger.GetListener(), 187 error).get(); 188 } 189 else 190 { 191 const char *plugin_name = m_options.launch_info.GetProcessPluginName(); 192 process = target->CreateProcess (debugger.GetListener(), plugin_name, NULL).get(); 193 if (process) 194 error = process->Launch (m_options.launch_info); 195 } 196 197 if (process == NULL) 198 { 199 result.SetError (error, "failed to launch or debug process"); 200 return false; 201 } 202 } 203 204 if (error.Success()) 205 { 206 const char *archname = exe_module->GetArchitecture().GetArchitectureName(); 207 208 result.AppendMessageWithFormat ("Process %llu launched: '%s' (%s)\n", process->GetID(), filename, archname); 209 result.SetDidChangeProcessState (true); 210 if (m_options.launch_info.GetFlags().Test(eLaunchFlagStopAtEntry) == false) 211 { 212 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 213 StateType state = process->WaitForProcessToStop (NULL); 214 215 if (state == eStateStopped) 216 { 217 error = process->Resume(); 218 if (error.Success()) 219 { 220 bool synchronous_execution = m_interpreter.GetSynchronous (); 221 if (synchronous_execution) 222 { 223 state = process->WaitForProcessToStop (NULL); 224 const bool must_be_alive = true; 225 if (!StateIsStoppedState(state, must_be_alive)) 226 { 227 result.AppendErrorWithFormat ("process isn't stopped: %s", StateAsCString(state)); 228 } 229 result.SetDidChangeProcessState (true); 230 result.SetStatus (eReturnStatusSuccessFinishResult); 231 } 232 else 233 { 234 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 235 } 236 } 237 else 238 { 239 result.AppendErrorWithFormat ("process resume at entry point failed: %s", error.AsCString()); 240 result.SetStatus (eReturnStatusFailed); 241 } 242 } 243 else 244 { 245 result.AppendErrorWithFormat ("initial process state wasn't stopped: %s", StateAsCString(state)); 246 result.SetStatus (eReturnStatusFailed); 247 } 248 } 249 } 250 else 251 { 252 result.AppendErrorWithFormat ("process launch failed: %s", error.AsCString()); 253 result.SetStatus (eReturnStatusFailed); 254 } 255 256 return result.Succeeded(); 257 } 258 259 virtual const char *GetRepeatCommand (Args ¤t_command_args, uint32_t index) 260 { 261 // No repeat for "process launch"... 262 return ""; 263 } 264 265 protected: 266 ProcessLaunchCommandOptions m_options; 267 }; 268 269 270 //#define SET1 LLDB_OPT_SET_1 271 //#define SET2 LLDB_OPT_SET_2 272 //#define SET3 LLDB_OPT_SET_3 273 // 274 //OptionDefinition 275 //CommandObjectProcessLaunch::CommandOptions::g_option_table[] = 276 //{ 277 //{ SET1 | SET2 | SET3, false, "stop-at-entry", 's', no_argument, NULL, 0, eArgTypeNone, "Stop at the entry point of the program when launching a process."}, 278 //{ SET1 , false, "stdin", 'i', required_argument, NULL, 0, eArgTypePath, "Redirect stdin for the process to <path>."}, 279 //{ SET1 , false, "stdout", 'o', required_argument, NULL, 0, eArgTypePath, "Redirect stdout for the process to <path>."}, 280 //{ SET1 , false, "stderr", 'e', required_argument, NULL, 0, eArgTypePath, "Redirect stderr for the process to <path>."}, 281 //{ SET1 | SET2 | SET3, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 282 //{ SET2 , false, "tty", 't', optional_argument, NULL, 0, eArgTypePath, "Start the process in a terminal. If <path> is specified, look for a terminal whose name contains <path>, else start the process in a new terminal."}, 283 //{ SET3, false, "no-stdio", 'n', no_argument, NULL, 0, eArgTypeNone, "Do not set up for terminal I/O to go to running process."}, 284 //{ SET1 | SET2 | SET3, false, "working-dir", 'w', required_argument, NULL, 0, eArgTypePath, "Set the current working directory to <path> when running the inferior."}, 285 //{ 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 286 //}; 287 // 288 //#undef SET1 289 //#undef SET2 290 //#undef SET3 291 292 //------------------------------------------------------------------------- 293 // CommandObjectProcessAttach 294 //------------------------------------------------------------------------- 295 #pragma mark CommandObjectProcessAttach 296 class CommandObjectProcessAttach : public CommandObject 297 { 298 public: 299 300 class CommandOptions : public Options 301 { 302 public: 303 304 CommandOptions (CommandInterpreter &interpreter) : 305 Options(interpreter) 306 { 307 // Keep default values of all options in one place: OptionParsingStarting () 308 OptionParsingStarting (); 309 } 310 311 ~CommandOptions () 312 { 313 } 314 315 Error 316 SetOptionValue (uint32_t option_idx, const char *option_arg) 317 { 318 Error error; 319 char short_option = (char) m_getopt_table[option_idx].val; 320 bool success = false; 321 switch (short_option) 322 { 323 case 'p': 324 { 325 lldb::pid_t pid = Args::StringToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success); 326 if (!success || pid == LLDB_INVALID_PROCESS_ID) 327 { 328 error.SetErrorStringWithFormat("invalid process ID '%s'", option_arg); 329 } 330 else 331 { 332 attach_info.SetProcessID (pid); 333 } 334 } 335 break; 336 337 case 'P': 338 attach_info.SetProcessPluginName (option_arg); 339 break; 340 341 case 'n': 342 attach_info.GetExecutableFile().SetFile(option_arg, false); 343 break; 344 345 case 'w': 346 attach_info.SetWaitForLaunch(true); 347 break; 348 349 default: 350 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 351 break; 352 } 353 return error; 354 } 355 356 void 357 OptionParsingStarting () 358 { 359 attach_info.Clear(); 360 } 361 362 const OptionDefinition* 363 GetDefinitions () 364 { 365 return g_option_table; 366 } 367 368 virtual bool 369 HandleOptionArgumentCompletion (Args &input, 370 int cursor_index, 371 int char_pos, 372 OptionElementVector &opt_element_vector, 373 int opt_element_index, 374 int match_start_point, 375 int max_return_elements, 376 bool &word_complete, 377 StringList &matches) 378 { 379 int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos; 380 int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index; 381 382 // We are only completing the name option for now... 383 384 const OptionDefinition *opt_defs = GetDefinitions(); 385 if (opt_defs[opt_defs_index].short_option == 'n') 386 { 387 // Are we in the name? 388 389 // Look to see if there is a -P argument provided, and if so use that plugin, otherwise 390 // use the default plugin. 391 392 const char *partial_name = NULL; 393 partial_name = input.GetArgumentAtIndex(opt_arg_pos); 394 395 PlatformSP platform_sp (m_interpreter.GetPlatform (true)); 396 if (platform_sp) 397 { 398 ProcessInstanceInfoList process_infos; 399 ProcessInstanceInfoMatch match_info; 400 if (partial_name) 401 { 402 match_info.GetProcessInfo().GetExecutableFile().SetFile(partial_name, false); 403 match_info.SetNameMatchType(eNameMatchStartsWith); 404 } 405 platform_sp->FindProcesses (match_info, process_infos); 406 const uint32_t num_matches = process_infos.GetSize(); 407 if (num_matches > 0) 408 { 409 for (uint32_t i=0; i<num_matches; ++i) 410 { 411 matches.AppendString (process_infos.GetProcessNameAtIndex(i), 412 process_infos.GetProcessNameLengthAtIndex(i)); 413 } 414 } 415 } 416 } 417 418 return false; 419 } 420 421 // Options table: Required for subclasses of Options. 422 423 static OptionDefinition g_option_table[]; 424 425 // Instance variables to hold the values for command options. 426 427 ProcessAttachInfo attach_info; 428 }; 429 430 CommandObjectProcessAttach (CommandInterpreter &interpreter) : 431 CommandObject (interpreter, 432 "process attach", 433 "Attach to a process.", 434 "process attach <cmd-options>"), 435 m_options (interpreter) 436 { 437 } 438 439 ~CommandObjectProcessAttach () 440 { 441 } 442 443 bool 444 Execute (Args& command, 445 CommandReturnObject &result) 446 { 447 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 448 // N.B. The attach should be synchronous. It doesn't help much to get the prompt back between initiating the attach 449 // and the target actually stopping. So even if the interpreter is set to be asynchronous, we wait for the stop 450 // ourselves here. 451 452 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 453 StateType state = eStateInvalid; 454 if (process) 455 { 456 state = process->GetState(); 457 if (process->IsAlive() && state != eStateConnected) 458 { 459 result.AppendErrorWithFormat ("Process %llu is currently being debugged, kill the process before attaching.\n", 460 process->GetID()); 461 result.SetStatus (eReturnStatusFailed); 462 return false; 463 } 464 } 465 466 if (target == NULL) 467 { 468 // If there isn't a current target create one. 469 TargetSP new_target_sp; 470 FileSpec emptyFileSpec; 471 Error error; 472 473 error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(), 474 emptyFileSpec, 475 NULL, 476 false, 477 NULL, // No platform options 478 new_target_sp); 479 target = new_target_sp.get(); 480 if (target == NULL || error.Fail()) 481 { 482 result.AppendError(error.AsCString("Error creating target")); 483 return false; 484 } 485 m_interpreter.GetDebugger().GetTargetList().SetSelectedTarget(target); 486 } 487 488 // Record the old executable module, we want to issue a warning if the process of attaching changed the 489 // current executable (like somebody said "file foo" then attached to a PID whose executable was bar.) 490 491 ModuleSP old_exec_module_sp = target->GetExecutableModule(); 492 ArchSpec old_arch_spec = target->GetArchitecture(); 493 494 if (command.GetArgumentCount()) 495 { 496 result.AppendErrorWithFormat("Invalid arguments for '%s'.\nUsage: %s\n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); 497 result.SetStatus (eReturnStatusFailed); 498 } 499 else 500 { 501 if (state != eStateConnected) 502 { 503 const char *plugin_name = m_options.attach_info.GetProcessPluginName(); 504 process = target->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name, NULL).get(); 505 } 506 507 if (process) 508 { 509 Error error; 510 // If no process info was specified, then use the target executable 511 // name as the process to attach to by default 512 if (!m_options.attach_info.ProcessInfoSpecified ()) 513 { 514 if (old_exec_module_sp) 515 m_options.attach_info.GetExecutableFile().GetFilename() = old_exec_module_sp->GetPlatformFileSpec().GetFilename(); 516 517 if (!m_options.attach_info.ProcessInfoSpecified ()) 518 { 519 error.SetErrorString ("no process specified, create a target with a file, or specify the --pid or --name command option"); 520 } 521 } 522 523 if (error.Success()) 524 { 525 error = process->Attach (m_options.attach_info); 526 527 if (error.Success()) 528 { 529 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 530 } 531 else 532 { 533 result.AppendErrorWithFormat ("attach failed: %s\n", error.AsCString()); 534 result.SetStatus (eReturnStatusFailed); 535 return false; 536 } 537 // If we're synchronous, wait for the stopped event and report that. 538 // Otherwise just return. 539 // FIXME: in the async case it will now be possible to get to the command 540 // interpreter with a state eStateAttaching. Make sure we handle that correctly. 541 StateType state = process->WaitForProcessToStop (NULL); 542 543 result.SetDidChangeProcessState (true); 544 545 if (state == eStateStopped) 546 { 547 result.AppendMessageWithFormat ("Process %llu %s\n", process->GetID(), StateAsCString (state)); 548 result.SetStatus (eReturnStatusSuccessFinishNoResult); 549 } 550 else 551 { 552 result.AppendError ("attach failed: process did not stop (no such process or permission problem?)"); 553 result.SetStatus (eReturnStatusFailed); 554 return false; 555 } 556 } 557 } 558 } 559 560 if (result.Succeeded()) 561 { 562 // Okay, we're done. Last step is to warn if the executable module has changed: 563 char new_path[PATH_MAX]; 564 ModuleSP new_exec_module_sp (target->GetExecutableModule()); 565 if (!old_exec_module_sp) 566 { 567 // We might not have a module if we attached to a raw pid... 568 if (new_exec_module_sp) 569 { 570 new_exec_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX); 571 result.AppendMessageWithFormat("Executable module set to \"%s\".\n", new_path); 572 } 573 } 574 else if (old_exec_module_sp->GetFileSpec() != new_exec_module_sp->GetFileSpec()) 575 { 576 char old_path[PATH_MAX]; 577 578 old_exec_module_sp->GetFileSpec().GetPath (old_path, PATH_MAX); 579 new_exec_module_sp->GetFileSpec().GetPath (new_path, PATH_MAX); 580 581 result.AppendWarningWithFormat("Executable module changed from \"%s\" to \"%s\".\n", 582 old_path, new_path); 583 } 584 585 if (!old_arch_spec.IsValid()) 586 { 587 result.AppendMessageWithFormat ("Architecture set to: %s.\n", target->GetArchitecture().GetArchitectureName()); 588 } 589 else if (old_arch_spec != target->GetArchitecture()) 590 { 591 result.AppendWarningWithFormat("Architecture changed from %s to %s.\n", 592 old_arch_spec.GetArchitectureName(), target->GetArchitecture().GetArchitectureName()); 593 } 594 } 595 return result.Succeeded(); 596 } 597 598 Options * 599 GetOptions () 600 { 601 return &m_options; 602 } 603 604 protected: 605 606 CommandOptions m_options; 607 }; 608 609 610 OptionDefinition 611 CommandObjectProcessAttach::CommandOptions::g_option_table[] = 612 { 613 { LLDB_OPT_SET_ALL, false, "plugin", 'P', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 614 { LLDB_OPT_SET_1, false, "pid", 'p', required_argument, NULL, 0, eArgTypePid, "The process ID of an existing process to attach to."}, 615 { LLDB_OPT_SET_2, false, "name", 'n', required_argument, NULL, 0, eArgTypeProcessName, "The name of the process to attach to."}, 616 { LLDB_OPT_SET_2, false, "waitfor",'w', no_argument, NULL, 0, eArgTypeNone, "Wait for the the process with <process-name> to launch."}, 617 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 618 }; 619 620 //------------------------------------------------------------------------- 621 // CommandObjectProcessContinue 622 //------------------------------------------------------------------------- 623 #pragma mark CommandObjectProcessContinue 624 625 class CommandObjectProcessContinue : public CommandObject 626 { 627 public: 628 629 CommandObjectProcessContinue (CommandInterpreter &interpreter) : 630 CommandObject (interpreter, 631 "process continue", 632 "Continue execution of all threads in the current process.", 633 "process continue", 634 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 635 { 636 } 637 638 639 ~CommandObjectProcessContinue () 640 { 641 } 642 643 bool 644 Execute (Args& command, 645 CommandReturnObject &result) 646 { 647 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 648 bool synchronous_execution = m_interpreter.GetSynchronous (); 649 650 if (process == NULL) 651 { 652 result.AppendError ("no process to continue"); 653 result.SetStatus (eReturnStatusFailed); 654 return false; 655 } 656 657 StateType state = process->GetState(); 658 if (state == eStateStopped) 659 { 660 if (command.GetArgumentCount() != 0) 661 { 662 result.AppendErrorWithFormat ("The '%s' command does not take any arguments.\n", m_cmd_name.c_str()); 663 result.SetStatus (eReturnStatusFailed); 664 return false; 665 } 666 667 const uint32_t num_threads = process->GetThreadList().GetSize(); 668 669 // Set the actions that the threads should each take when resuming 670 for (uint32_t idx=0; idx<num_threads; ++idx) 671 { 672 process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning); 673 } 674 675 Error error(process->Resume()); 676 if (error.Success()) 677 { 678 result.AppendMessageWithFormat ("Process %llu resuming\n", process->GetID()); 679 if (synchronous_execution) 680 { 681 state = process->WaitForProcessToStop (NULL); 682 683 result.SetDidChangeProcessState (true); 684 result.AppendMessageWithFormat ("Process %llu %s\n", process->GetID(), StateAsCString (state)); 685 result.SetStatus (eReturnStatusSuccessFinishNoResult); 686 } 687 else 688 { 689 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 690 } 691 } 692 else 693 { 694 result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); 695 result.SetStatus (eReturnStatusFailed); 696 } 697 } 698 else 699 { 700 result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n", 701 StateAsCString(state)); 702 result.SetStatus (eReturnStatusFailed); 703 } 704 return result.Succeeded(); 705 } 706 }; 707 708 //------------------------------------------------------------------------- 709 // CommandObjectProcessDetach 710 //------------------------------------------------------------------------- 711 #pragma mark CommandObjectProcessDetach 712 713 class CommandObjectProcessDetach : public CommandObject 714 { 715 public: 716 717 CommandObjectProcessDetach (CommandInterpreter &interpreter) : 718 CommandObject (interpreter, 719 "process detach", 720 "Detach from the current process being debugged.", 721 "process detach", 722 eFlagProcessMustBeLaunched) 723 { 724 } 725 726 ~CommandObjectProcessDetach () 727 { 728 } 729 730 bool 731 Execute (Args& command, 732 CommandReturnObject &result) 733 { 734 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 735 if (process == NULL) 736 { 737 result.AppendError ("must have a valid process in order to detach"); 738 result.SetStatus (eReturnStatusFailed); 739 return false; 740 } 741 742 result.AppendMessageWithFormat ("Detaching from process %llu\n", process->GetID()); 743 Error error (process->Detach()); 744 if (error.Success()) 745 { 746 result.SetStatus (eReturnStatusSuccessFinishResult); 747 } 748 else 749 { 750 result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString()); 751 result.SetStatus (eReturnStatusFailed); 752 return false; 753 } 754 return result.Succeeded(); 755 } 756 }; 757 758 //------------------------------------------------------------------------- 759 // CommandObjectProcessConnect 760 //------------------------------------------------------------------------- 761 #pragma mark CommandObjectProcessConnect 762 763 class CommandObjectProcessConnect : public CommandObject 764 { 765 public: 766 767 class CommandOptions : public Options 768 { 769 public: 770 771 CommandOptions (CommandInterpreter &interpreter) : 772 Options(interpreter) 773 { 774 // Keep default values of all options in one place: OptionParsingStarting () 775 OptionParsingStarting (); 776 } 777 778 ~CommandOptions () 779 { 780 } 781 782 Error 783 SetOptionValue (uint32_t option_idx, const char *option_arg) 784 { 785 Error error; 786 char short_option = (char) m_getopt_table[option_idx].val; 787 788 switch (short_option) 789 { 790 case 'p': 791 plugin_name.assign (option_arg); 792 break; 793 794 default: 795 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 796 break; 797 } 798 return error; 799 } 800 801 void 802 OptionParsingStarting () 803 { 804 plugin_name.clear(); 805 } 806 807 const OptionDefinition* 808 GetDefinitions () 809 { 810 return g_option_table; 811 } 812 813 // Options table: Required for subclasses of Options. 814 815 static OptionDefinition g_option_table[]; 816 817 // Instance variables to hold the values for command options. 818 819 std::string plugin_name; 820 }; 821 822 CommandObjectProcessConnect (CommandInterpreter &interpreter) : 823 CommandObject (interpreter, 824 "process connect", 825 "Connect to a remote debug service.", 826 "process connect <remote-url>", 827 0), 828 m_options (interpreter) 829 { 830 } 831 832 ~CommandObjectProcessConnect () 833 { 834 } 835 836 837 bool 838 Execute (Args& command, 839 CommandReturnObject &result) 840 { 841 842 TargetSP target_sp (m_interpreter.GetDebugger().GetSelectedTarget()); 843 Error error; 844 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 845 if (process) 846 { 847 if (process->IsAlive()) 848 { 849 result.AppendErrorWithFormat ("Process %llu is currently being debugged, kill the process before connecting.\n", 850 process->GetID()); 851 result.SetStatus (eReturnStatusFailed); 852 return false; 853 } 854 } 855 856 if (!target_sp) 857 { 858 // If there isn't a current target create one. 859 FileSpec emptyFileSpec; 860 861 error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(), 862 emptyFileSpec, 863 NULL, 864 false, 865 NULL, // No platform options 866 target_sp); 867 if (!target_sp || error.Fail()) 868 { 869 result.AppendError(error.AsCString("Error creating target")); 870 result.SetStatus (eReturnStatusFailed); 871 return false; 872 } 873 m_interpreter.GetDebugger().GetTargetList().SetSelectedTarget(target_sp.get()); 874 } 875 876 if (command.GetArgumentCount() == 1) 877 { 878 const char *plugin_name = NULL; 879 if (!m_options.plugin_name.empty()) 880 plugin_name = m_options.plugin_name.c_str(); 881 882 const char *remote_url = command.GetArgumentAtIndex(0); 883 process = target_sp->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name, NULL).get(); 884 885 if (process) 886 { 887 error = process->ConnectRemote (remote_url); 888 889 if (error.Fail()) 890 { 891 result.AppendError(error.AsCString("Remote connect failed")); 892 result.SetStatus (eReturnStatusFailed); 893 target_sp->DeleteCurrentProcess(); 894 return false; 895 } 896 } 897 else 898 { 899 result.AppendErrorWithFormat ("Unable to find process plug-in for remote URL '%s'.\nPlease specify a process plug-in name with the --plugin option, or specify an object file using the \"file\" command.\n", 900 m_cmd_name.c_str()); 901 result.SetStatus (eReturnStatusFailed); 902 } 903 } 904 else 905 { 906 result.AppendErrorWithFormat ("'%s' takes exactly one argument:\nUsage: %s\n", 907 m_cmd_name.c_str(), 908 m_cmd_syntax.c_str()); 909 result.SetStatus (eReturnStatusFailed); 910 } 911 return result.Succeeded(); 912 } 913 914 Options * 915 GetOptions () 916 { 917 return &m_options; 918 } 919 920 protected: 921 922 CommandOptions m_options; 923 }; 924 925 926 OptionDefinition 927 CommandObjectProcessConnect::CommandOptions::g_option_table[] = 928 { 929 { LLDB_OPT_SET_ALL, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 930 { 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL } 931 }; 932 933 //------------------------------------------------------------------------- 934 // CommandObjectProcessLoad 935 //------------------------------------------------------------------------- 936 #pragma mark CommandObjectProcessLoad 937 938 class CommandObjectProcessLoad : public CommandObject 939 { 940 public: 941 942 CommandObjectProcessLoad (CommandInterpreter &interpreter) : 943 CommandObject (interpreter, 944 "process load", 945 "Load a shared library into the current process.", 946 "process load <filename> [<filename> ...]", 947 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 948 { 949 } 950 951 ~CommandObjectProcessLoad () 952 { 953 } 954 955 bool 956 Execute (Args& command, 957 CommandReturnObject &result) 958 { 959 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 960 if (process == NULL) 961 { 962 result.AppendError ("must have a valid process in order to load a shared library"); 963 result.SetStatus (eReturnStatusFailed); 964 return false; 965 } 966 967 const uint32_t argc = command.GetArgumentCount(); 968 969 for (uint32_t i=0; i<argc; ++i) 970 { 971 Error error; 972 const char *image_path = command.GetArgumentAtIndex(i); 973 FileSpec image_spec (image_path, false); 974 process->GetTarget().GetPlatform()->ResolveRemotePath(image_spec, image_spec); 975 uint32_t image_token = process->LoadImage(image_spec, error); 976 if (image_token != LLDB_INVALID_IMAGE_TOKEN) 977 { 978 result.AppendMessageWithFormat ("Loading \"%s\"...ok\nImage %u loaded.\n", image_path, image_token); 979 result.SetStatus (eReturnStatusSuccessFinishResult); 980 } 981 else 982 { 983 result.AppendErrorWithFormat ("failed to load '%s': %s", image_path, error.AsCString()); 984 result.SetStatus (eReturnStatusFailed); 985 } 986 } 987 return result.Succeeded(); 988 } 989 }; 990 991 992 //------------------------------------------------------------------------- 993 // CommandObjectProcessUnload 994 //------------------------------------------------------------------------- 995 #pragma mark CommandObjectProcessUnload 996 997 class CommandObjectProcessUnload : public CommandObject 998 { 999 public: 1000 1001 CommandObjectProcessUnload (CommandInterpreter &interpreter) : 1002 CommandObject (interpreter, 1003 "process unload", 1004 "Unload a shared library from the current process using the index returned by a previous call to \"process load\".", 1005 "process unload <index>", 1006 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 1007 { 1008 } 1009 1010 ~CommandObjectProcessUnload () 1011 { 1012 } 1013 1014 bool 1015 Execute (Args& command, 1016 CommandReturnObject &result) 1017 { 1018 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1019 if (process == NULL) 1020 { 1021 result.AppendError ("must have a valid process in order to load a shared library"); 1022 result.SetStatus (eReturnStatusFailed); 1023 return false; 1024 } 1025 1026 const uint32_t argc = command.GetArgumentCount(); 1027 1028 for (uint32_t i=0; i<argc; ++i) 1029 { 1030 const char *image_token_cstr = command.GetArgumentAtIndex(i); 1031 uint32_t image_token = Args::StringToUInt32(image_token_cstr, LLDB_INVALID_IMAGE_TOKEN, 0); 1032 if (image_token == LLDB_INVALID_IMAGE_TOKEN) 1033 { 1034 result.AppendErrorWithFormat ("invalid image index argument '%s'", image_token_cstr); 1035 result.SetStatus (eReturnStatusFailed); 1036 break; 1037 } 1038 else 1039 { 1040 Error error (process->UnloadImage(image_token)); 1041 if (error.Success()) 1042 { 1043 result.AppendMessageWithFormat ("Unloading shared library with index %u...ok\n", image_token); 1044 result.SetStatus (eReturnStatusSuccessFinishResult); 1045 } 1046 else 1047 { 1048 result.AppendErrorWithFormat ("failed to unload image: %s", error.AsCString()); 1049 result.SetStatus (eReturnStatusFailed); 1050 break; 1051 } 1052 } 1053 } 1054 return result.Succeeded(); 1055 } 1056 }; 1057 1058 //------------------------------------------------------------------------- 1059 // CommandObjectProcessSignal 1060 //------------------------------------------------------------------------- 1061 #pragma mark CommandObjectProcessSignal 1062 1063 class CommandObjectProcessSignal : public CommandObject 1064 { 1065 public: 1066 1067 CommandObjectProcessSignal (CommandInterpreter &interpreter) : 1068 CommandObject (interpreter, 1069 "process signal", 1070 "Send a UNIX signal to the current process being debugged.", 1071 NULL) 1072 { 1073 CommandArgumentEntry arg; 1074 CommandArgumentData signal_arg; 1075 1076 // Define the first (and only) variant of this arg. 1077 signal_arg.arg_type = eArgTypeUnixSignal; 1078 signal_arg.arg_repetition = eArgRepeatPlain; 1079 1080 // There is only one variant this argument could be; put it into the argument entry. 1081 arg.push_back (signal_arg); 1082 1083 // Push the data for the first argument into the m_arguments vector. 1084 m_arguments.push_back (arg); 1085 } 1086 1087 ~CommandObjectProcessSignal () 1088 { 1089 } 1090 1091 bool 1092 Execute (Args& command, 1093 CommandReturnObject &result) 1094 { 1095 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1096 if (process == NULL) 1097 { 1098 result.AppendError ("no process to signal"); 1099 result.SetStatus (eReturnStatusFailed); 1100 return false; 1101 } 1102 1103 if (command.GetArgumentCount() == 1) 1104 { 1105 int signo = LLDB_INVALID_SIGNAL_NUMBER; 1106 1107 const char *signal_name = command.GetArgumentAtIndex(0); 1108 if (::isxdigit (signal_name[0])) 1109 signo = Args::StringToSInt32(signal_name, LLDB_INVALID_SIGNAL_NUMBER, 0); 1110 else 1111 signo = process->GetUnixSignals().GetSignalNumberFromName (signal_name); 1112 1113 if (signo == LLDB_INVALID_SIGNAL_NUMBER) 1114 { 1115 result.AppendErrorWithFormat ("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0)); 1116 result.SetStatus (eReturnStatusFailed); 1117 } 1118 else 1119 { 1120 Error error (process->Signal (signo)); 1121 if (error.Success()) 1122 { 1123 result.SetStatus (eReturnStatusSuccessFinishResult); 1124 } 1125 else 1126 { 1127 result.AppendErrorWithFormat ("Failed to send signal %i: %s\n", signo, error.AsCString()); 1128 result.SetStatus (eReturnStatusFailed); 1129 } 1130 } 1131 } 1132 else 1133 { 1134 result.AppendErrorWithFormat("'%s' takes exactly one signal number argument:\nUsage: %s\n", m_cmd_name.c_str(), 1135 m_cmd_syntax.c_str()); 1136 result.SetStatus (eReturnStatusFailed); 1137 } 1138 return result.Succeeded(); 1139 } 1140 }; 1141 1142 1143 //------------------------------------------------------------------------- 1144 // CommandObjectProcessInterrupt 1145 //------------------------------------------------------------------------- 1146 #pragma mark CommandObjectProcessInterrupt 1147 1148 class CommandObjectProcessInterrupt : public CommandObject 1149 { 1150 public: 1151 1152 1153 CommandObjectProcessInterrupt (CommandInterpreter &interpreter) : 1154 CommandObject (interpreter, 1155 "process interrupt", 1156 "Interrupt the current process being debugged.", 1157 "process interrupt", 1158 eFlagProcessMustBeLaunched) 1159 { 1160 } 1161 1162 ~CommandObjectProcessInterrupt () 1163 { 1164 } 1165 1166 bool 1167 Execute (Args& command, 1168 CommandReturnObject &result) 1169 { 1170 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1171 if (process == NULL) 1172 { 1173 result.AppendError ("no process to halt"); 1174 result.SetStatus (eReturnStatusFailed); 1175 return false; 1176 } 1177 1178 if (command.GetArgumentCount() == 0) 1179 { 1180 Error error(process->Halt ()); 1181 if (error.Success()) 1182 { 1183 result.SetStatus (eReturnStatusSuccessFinishResult); 1184 1185 // Maybe we should add a "SuspendThreadPlans so we 1186 // can halt, and keep in place all the current thread plans. 1187 process->GetThreadList().DiscardThreadPlans(); 1188 } 1189 else 1190 { 1191 result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString()); 1192 result.SetStatus (eReturnStatusFailed); 1193 } 1194 } 1195 else 1196 { 1197 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", 1198 m_cmd_name.c_str(), 1199 m_cmd_syntax.c_str()); 1200 result.SetStatus (eReturnStatusFailed); 1201 } 1202 return result.Succeeded(); 1203 } 1204 }; 1205 1206 //------------------------------------------------------------------------- 1207 // CommandObjectProcessKill 1208 //------------------------------------------------------------------------- 1209 #pragma mark CommandObjectProcessKill 1210 1211 class CommandObjectProcessKill : public CommandObject 1212 { 1213 public: 1214 1215 CommandObjectProcessKill (CommandInterpreter &interpreter) : 1216 CommandObject (interpreter, 1217 "process kill", 1218 "Terminate the current process being debugged.", 1219 "process kill", 1220 eFlagProcessMustBeLaunched) 1221 { 1222 } 1223 1224 ~CommandObjectProcessKill () 1225 { 1226 } 1227 1228 bool 1229 Execute (Args& command, 1230 CommandReturnObject &result) 1231 { 1232 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1233 if (process == NULL) 1234 { 1235 result.AppendError ("no process to kill"); 1236 result.SetStatus (eReturnStatusFailed); 1237 return false; 1238 } 1239 1240 if (command.GetArgumentCount() == 0) 1241 { 1242 Error error (process->Destroy()); 1243 if (error.Success()) 1244 { 1245 result.SetStatus (eReturnStatusSuccessFinishResult); 1246 } 1247 else 1248 { 1249 result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); 1250 result.SetStatus (eReturnStatusFailed); 1251 } 1252 } 1253 else 1254 { 1255 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", 1256 m_cmd_name.c_str(), 1257 m_cmd_syntax.c_str()); 1258 result.SetStatus (eReturnStatusFailed); 1259 } 1260 return result.Succeeded(); 1261 } 1262 }; 1263 1264 //------------------------------------------------------------------------- 1265 // CommandObjectProcessStatus 1266 //------------------------------------------------------------------------- 1267 #pragma mark CommandObjectProcessStatus 1268 1269 class CommandObjectProcessStatus : public CommandObject 1270 { 1271 public: 1272 CommandObjectProcessStatus (CommandInterpreter &interpreter) : 1273 CommandObject (interpreter, 1274 "process status", 1275 "Show the current status and location of executing process.", 1276 "process status", 1277 0) 1278 { 1279 } 1280 1281 ~CommandObjectProcessStatus() 1282 { 1283 } 1284 1285 1286 bool 1287 Execute 1288 ( 1289 Args& command, 1290 CommandReturnObject &result 1291 ) 1292 { 1293 Stream &strm = result.GetOutputStream(); 1294 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1295 ExecutionContext exe_ctx(m_interpreter.GetExecutionContext()); 1296 Process *process = exe_ctx.GetProcessPtr(); 1297 if (process) 1298 { 1299 const bool only_threads_with_stop_reason = true; 1300 const uint32_t start_frame = 0; 1301 const uint32_t num_frames = 1; 1302 const uint32_t num_frames_with_source = 1; 1303 process->GetStatus(strm); 1304 process->GetThreadStatus (strm, 1305 only_threads_with_stop_reason, 1306 start_frame, 1307 num_frames, 1308 num_frames_with_source); 1309 1310 } 1311 else 1312 { 1313 result.AppendError ("No process."); 1314 result.SetStatus (eReturnStatusFailed); 1315 } 1316 return result.Succeeded(); 1317 } 1318 }; 1319 1320 //------------------------------------------------------------------------- 1321 // CommandObjectProcessHandle 1322 //------------------------------------------------------------------------- 1323 #pragma mark CommandObjectProcessHandle 1324 1325 class CommandObjectProcessHandle : public CommandObject 1326 { 1327 public: 1328 1329 class CommandOptions : public Options 1330 { 1331 public: 1332 1333 CommandOptions (CommandInterpreter &interpreter) : 1334 Options (interpreter) 1335 { 1336 OptionParsingStarting (); 1337 } 1338 1339 ~CommandOptions () 1340 { 1341 } 1342 1343 Error 1344 SetOptionValue (uint32_t option_idx, const char *option_arg) 1345 { 1346 Error error; 1347 char short_option = (char) m_getopt_table[option_idx].val; 1348 1349 switch (short_option) 1350 { 1351 case 's': 1352 stop = option_arg; 1353 break; 1354 case 'n': 1355 notify = option_arg; 1356 break; 1357 case 'p': 1358 pass = option_arg; 1359 break; 1360 default: 1361 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 1362 break; 1363 } 1364 return error; 1365 } 1366 1367 void 1368 OptionParsingStarting () 1369 { 1370 stop.clear(); 1371 notify.clear(); 1372 pass.clear(); 1373 } 1374 1375 const OptionDefinition* 1376 GetDefinitions () 1377 { 1378 return g_option_table; 1379 } 1380 1381 // Options table: Required for subclasses of Options. 1382 1383 static OptionDefinition g_option_table[]; 1384 1385 // Instance variables to hold the values for command options. 1386 1387 std::string stop; 1388 std::string notify; 1389 std::string pass; 1390 }; 1391 1392 1393 CommandObjectProcessHandle (CommandInterpreter &interpreter) : 1394 CommandObject (interpreter, 1395 "process handle", 1396 "Show or update what the process and debugger should do with various signals received from the OS.", 1397 NULL), 1398 m_options (interpreter) 1399 { 1400 SetHelpLong ("If no signals are specified, update them all. If no update option is specified, list the current values.\n"); 1401 CommandArgumentEntry arg; 1402 CommandArgumentData signal_arg; 1403 1404 signal_arg.arg_type = eArgTypeUnixSignal; 1405 signal_arg.arg_repetition = eArgRepeatStar; 1406 1407 arg.push_back (signal_arg); 1408 1409 m_arguments.push_back (arg); 1410 } 1411 1412 ~CommandObjectProcessHandle () 1413 { 1414 } 1415 1416 Options * 1417 GetOptions () 1418 { 1419 return &m_options; 1420 } 1421 1422 bool 1423 VerifyCommandOptionValue (const std::string &option, int &real_value) 1424 { 1425 bool okay = true; 1426 1427 bool success = false; 1428 bool tmp_value = Args::StringToBoolean (option.c_str(), false, &success); 1429 1430 if (success && tmp_value) 1431 real_value = 1; 1432 else if (success && !tmp_value) 1433 real_value = 0; 1434 else 1435 { 1436 // If the value isn't 'true' or 'false', it had better be 0 or 1. 1437 real_value = Args::StringToUInt32 (option.c_str(), 3); 1438 if (real_value != 0 && real_value != 1) 1439 okay = false; 1440 } 1441 1442 return okay; 1443 } 1444 1445 void 1446 PrintSignalHeader (Stream &str) 1447 { 1448 str.Printf ("NAME PASS STOP NOTIFY\n"); 1449 str.Printf ("========== ===== ===== ======\n"); 1450 } 1451 1452 void 1453 PrintSignal (Stream &str, int32_t signo, const char *sig_name, UnixSignals &signals) 1454 { 1455 bool stop; 1456 bool suppress; 1457 bool notify; 1458 1459 str.Printf ("%-10s ", sig_name); 1460 if (signals.GetSignalInfo (signo, suppress, stop, notify)) 1461 { 1462 bool pass = !suppress; 1463 str.Printf ("%s %s %s", 1464 (pass ? "true " : "false"), 1465 (stop ? "true " : "false"), 1466 (notify ? "true " : "false")); 1467 } 1468 str.Printf ("\n"); 1469 } 1470 1471 void 1472 PrintSignalInformation (Stream &str, Args &signal_args, int num_valid_signals, UnixSignals &signals) 1473 { 1474 PrintSignalHeader (str); 1475 1476 if (num_valid_signals > 0) 1477 { 1478 size_t num_args = signal_args.GetArgumentCount(); 1479 for (size_t i = 0; i < num_args; ++i) 1480 { 1481 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1482 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1483 PrintSignal (str, signo, signal_args.GetArgumentAtIndex (i), signals); 1484 } 1485 } 1486 else // Print info for ALL signals 1487 { 1488 int32_t signo = signals.GetFirstSignalNumber(); 1489 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1490 { 1491 PrintSignal (str, signo, signals.GetSignalAsCString (signo), signals); 1492 signo = signals.GetNextSignalNumber (signo); 1493 } 1494 } 1495 } 1496 1497 bool 1498 Execute (Args &signal_args, CommandReturnObject &result) 1499 { 1500 TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget(); 1501 1502 if (!target_sp) 1503 { 1504 result.AppendError ("No current target;" 1505 " cannot handle signals until you have a valid target and process.\n"); 1506 result.SetStatus (eReturnStatusFailed); 1507 return false; 1508 } 1509 1510 ProcessSP process_sp = target_sp->GetProcessSP(); 1511 1512 if (!process_sp) 1513 { 1514 result.AppendError ("No current process; cannot handle signals until you have a valid process.\n"); 1515 result.SetStatus (eReturnStatusFailed); 1516 return false; 1517 } 1518 1519 int stop_action = -1; // -1 means leave the current setting alone 1520 int pass_action = -1; // -1 means leave the current setting alone 1521 int notify_action = -1; // -1 means leave the current setting alone 1522 1523 if (! m_options.stop.empty() 1524 && ! VerifyCommandOptionValue (m_options.stop, stop_action)) 1525 { 1526 result.AppendError ("Invalid argument for command option --stop; must be true or false.\n"); 1527 result.SetStatus (eReturnStatusFailed); 1528 return false; 1529 } 1530 1531 if (! m_options.notify.empty() 1532 && ! VerifyCommandOptionValue (m_options.notify, notify_action)) 1533 { 1534 result.AppendError ("Invalid argument for command option --notify; must be true or false.\n"); 1535 result.SetStatus (eReturnStatusFailed); 1536 return false; 1537 } 1538 1539 if (! m_options.pass.empty() 1540 && ! VerifyCommandOptionValue (m_options.pass, pass_action)) 1541 { 1542 result.AppendError ("Invalid argument for command option --pass; must be true or false.\n"); 1543 result.SetStatus (eReturnStatusFailed); 1544 return false; 1545 } 1546 1547 size_t num_args = signal_args.GetArgumentCount(); 1548 UnixSignals &signals = process_sp->GetUnixSignals(); 1549 int num_signals_set = 0; 1550 1551 if (num_args > 0) 1552 { 1553 for (size_t i = 0; i < num_args; ++i) 1554 { 1555 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1556 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1557 { 1558 // Casting the actions as bools here should be okay, because VerifyCommandOptionValue guarantees 1559 // the value is either 0 or 1. 1560 if (stop_action != -1) 1561 signals.SetShouldStop (signo, (bool) stop_action); 1562 if (pass_action != -1) 1563 { 1564 bool suppress = ! ((bool) pass_action); 1565 signals.SetShouldSuppress (signo, suppress); 1566 } 1567 if (notify_action != -1) 1568 signals.SetShouldNotify (signo, (bool) notify_action); 1569 ++num_signals_set; 1570 } 1571 else 1572 { 1573 result.AppendErrorWithFormat ("Invalid signal name '%s'\n", signal_args.GetArgumentAtIndex (i)); 1574 } 1575 } 1576 } 1577 else 1578 { 1579 // No signal specified, if any command options were specified, update ALL signals. 1580 if ((notify_action != -1) || (stop_action != -1) || (pass_action != -1)) 1581 { 1582 if (m_interpreter.Confirm ("Do you really want to update all the signals?", false)) 1583 { 1584 int32_t signo = signals.GetFirstSignalNumber(); 1585 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1586 { 1587 if (notify_action != -1) 1588 signals.SetShouldNotify (signo, (bool) notify_action); 1589 if (stop_action != -1) 1590 signals.SetShouldStop (signo, (bool) stop_action); 1591 if (pass_action != -1) 1592 { 1593 bool suppress = ! ((bool) pass_action); 1594 signals.SetShouldSuppress (signo, suppress); 1595 } 1596 signo = signals.GetNextSignalNumber (signo); 1597 } 1598 } 1599 } 1600 } 1601 1602 PrintSignalInformation (result.GetOutputStream(), signal_args, num_signals_set, signals); 1603 1604 if (num_signals_set > 0) 1605 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1606 else 1607 result.SetStatus (eReturnStatusFailed); 1608 1609 return result.Succeeded(); 1610 } 1611 1612 protected: 1613 1614 CommandOptions m_options; 1615 }; 1616 1617 OptionDefinition 1618 CommandObjectProcessHandle::CommandOptions::g_option_table[] = 1619 { 1620 { LLDB_OPT_SET_1, false, "stop", 's', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the process should be stopped if the signal is received." }, 1621 { LLDB_OPT_SET_1, false, "notify", 'n', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the debugger should notify the user if the signal is received." }, 1622 { LLDB_OPT_SET_1, false, "pass", 'p', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." }, 1623 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1624 }; 1625 1626 //------------------------------------------------------------------------- 1627 // CommandObjectMultiwordProcess 1628 //------------------------------------------------------------------------- 1629 1630 CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) : 1631 CommandObjectMultiword (interpreter, 1632 "process", 1633 "A set of commands for operating on a process.", 1634 "process <subcommand> [<subcommand-options>]") 1635 { 1636 LoadSubCommand ("attach", CommandObjectSP (new CommandObjectProcessAttach (interpreter))); 1637 LoadSubCommand ("launch", CommandObjectSP (new CommandObjectProcessLaunch (interpreter))); 1638 LoadSubCommand ("continue", CommandObjectSP (new CommandObjectProcessContinue (interpreter))); 1639 LoadSubCommand ("connect", CommandObjectSP (new CommandObjectProcessConnect (interpreter))); 1640 LoadSubCommand ("detach", CommandObjectSP (new CommandObjectProcessDetach (interpreter))); 1641 LoadSubCommand ("load", CommandObjectSP (new CommandObjectProcessLoad (interpreter))); 1642 LoadSubCommand ("unload", CommandObjectSP (new CommandObjectProcessUnload (interpreter))); 1643 LoadSubCommand ("signal", CommandObjectSP (new CommandObjectProcessSignal (interpreter))); 1644 LoadSubCommand ("handle", CommandObjectSP (new CommandObjectProcessHandle (interpreter))); 1645 LoadSubCommand ("status", CommandObjectSP (new CommandObjectProcessStatus (interpreter))); 1646 LoadSubCommand ("interrupt", CommandObjectSP (new CommandObjectProcessInterrupt (interpreter))); 1647 LoadSubCommand ("kill", CommandObjectSP (new CommandObjectProcessKill (interpreter))); 1648 } 1649 1650 CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess () 1651 { 1652 } 1653 1654