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 result.AppendMessageWithFormat ("Process %llu %s\n", process->GetID(), StateAsCString (state)); 545 result.SetStatus (eReturnStatusSuccessFinishNoResult); 546 } 547 } 548 } 549 550 if (result.Succeeded()) 551 { 552 // Okay, we're done. Last step is to warn if the executable module has changed: 553 char new_path[PATH_MAX]; 554 ModuleSP new_exec_module_sp (target->GetExecutableModule()); 555 if (!old_exec_module_sp) 556 { 557 // We might not have a module if we attached to a raw pid... 558 if (new_exec_module_sp) 559 { 560 new_exec_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX); 561 result.AppendMessageWithFormat("Executable module set to \"%s\".\n", new_path); 562 } 563 } 564 else if (old_exec_module_sp->GetFileSpec() != new_exec_module_sp->GetFileSpec()) 565 { 566 char old_path[PATH_MAX]; 567 568 old_exec_module_sp->GetFileSpec().GetPath (old_path, PATH_MAX); 569 new_exec_module_sp->GetFileSpec().GetPath (new_path, PATH_MAX); 570 571 result.AppendWarningWithFormat("Executable module changed from \"%s\" to \"%s\".\n", 572 old_path, new_path); 573 } 574 575 if (!old_arch_spec.IsValid()) 576 { 577 result.AppendMessageWithFormat ("Architecture set to: %s.\n", target->GetArchitecture().GetArchitectureName()); 578 } 579 else if (old_arch_spec != target->GetArchitecture()) 580 { 581 result.AppendWarningWithFormat("Architecture changed from %s to %s.\n", 582 old_arch_spec.GetArchitectureName(), target->GetArchitecture().GetArchitectureName()); 583 } 584 } 585 return result.Succeeded(); 586 } 587 588 Options * 589 GetOptions () 590 { 591 return &m_options; 592 } 593 594 protected: 595 596 CommandOptions m_options; 597 }; 598 599 600 OptionDefinition 601 CommandObjectProcessAttach::CommandOptions::g_option_table[] = 602 { 603 { LLDB_OPT_SET_ALL, false, "plugin", 'P', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 604 { LLDB_OPT_SET_1, false, "pid", 'p', required_argument, NULL, 0, eArgTypePid, "The process ID of an existing process to attach to."}, 605 { LLDB_OPT_SET_2, false, "name", 'n', required_argument, NULL, 0, eArgTypeProcessName, "The name of the process to attach to."}, 606 { LLDB_OPT_SET_2, false, "waitfor",'w', no_argument, NULL, 0, eArgTypeNone, "Wait for the the process with <process-name> to launch."}, 607 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 608 }; 609 610 //------------------------------------------------------------------------- 611 // CommandObjectProcessContinue 612 //------------------------------------------------------------------------- 613 #pragma mark CommandObjectProcessContinue 614 615 class CommandObjectProcessContinue : public CommandObject 616 { 617 public: 618 619 CommandObjectProcessContinue (CommandInterpreter &interpreter) : 620 CommandObject (interpreter, 621 "process continue", 622 "Continue execution of all threads in the current process.", 623 "process continue", 624 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 625 { 626 } 627 628 629 ~CommandObjectProcessContinue () 630 { 631 } 632 633 bool 634 Execute (Args& command, 635 CommandReturnObject &result) 636 { 637 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 638 bool synchronous_execution = m_interpreter.GetSynchronous (); 639 640 if (process == NULL) 641 { 642 result.AppendError ("no process to continue"); 643 result.SetStatus (eReturnStatusFailed); 644 return false; 645 } 646 647 StateType state = process->GetState(); 648 if (state == eStateStopped) 649 { 650 if (command.GetArgumentCount() != 0) 651 { 652 result.AppendErrorWithFormat ("The '%s' command does not take any arguments.\n", m_cmd_name.c_str()); 653 result.SetStatus (eReturnStatusFailed); 654 return false; 655 } 656 657 const uint32_t num_threads = process->GetThreadList().GetSize(); 658 659 // Set the actions that the threads should each take when resuming 660 for (uint32_t idx=0; idx<num_threads; ++idx) 661 { 662 process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning); 663 } 664 665 Error error(process->Resume()); 666 if (error.Success()) 667 { 668 result.AppendMessageWithFormat ("Process %llu resuming\n", process->GetID()); 669 if (synchronous_execution) 670 { 671 state = process->WaitForProcessToStop (NULL); 672 673 result.SetDidChangeProcessState (true); 674 result.AppendMessageWithFormat ("Process %llu %s\n", process->GetID(), StateAsCString (state)); 675 result.SetStatus (eReturnStatusSuccessFinishNoResult); 676 } 677 else 678 { 679 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 680 } 681 } 682 else 683 { 684 result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); 685 result.SetStatus (eReturnStatusFailed); 686 } 687 } 688 else 689 { 690 result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n", 691 StateAsCString(state)); 692 result.SetStatus (eReturnStatusFailed); 693 } 694 return result.Succeeded(); 695 } 696 }; 697 698 //------------------------------------------------------------------------- 699 // CommandObjectProcessDetach 700 //------------------------------------------------------------------------- 701 #pragma mark CommandObjectProcessDetach 702 703 class CommandObjectProcessDetach : public CommandObject 704 { 705 public: 706 707 CommandObjectProcessDetach (CommandInterpreter &interpreter) : 708 CommandObject (interpreter, 709 "process detach", 710 "Detach from the current process being debugged.", 711 "process detach", 712 eFlagProcessMustBeLaunched) 713 { 714 } 715 716 ~CommandObjectProcessDetach () 717 { 718 } 719 720 bool 721 Execute (Args& command, 722 CommandReturnObject &result) 723 { 724 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 725 if (process == NULL) 726 { 727 result.AppendError ("must have a valid process in order to detach"); 728 result.SetStatus (eReturnStatusFailed); 729 return false; 730 } 731 732 result.AppendMessageWithFormat ("Detaching from process %llu\n", process->GetID()); 733 Error error (process->Detach()); 734 if (error.Success()) 735 { 736 result.SetStatus (eReturnStatusSuccessFinishResult); 737 } 738 else 739 { 740 result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString()); 741 result.SetStatus (eReturnStatusFailed); 742 return false; 743 } 744 return result.Succeeded(); 745 } 746 }; 747 748 //------------------------------------------------------------------------- 749 // CommandObjectProcessConnect 750 //------------------------------------------------------------------------- 751 #pragma mark CommandObjectProcessConnect 752 753 class CommandObjectProcessConnect : public CommandObject 754 { 755 public: 756 757 class CommandOptions : public Options 758 { 759 public: 760 761 CommandOptions (CommandInterpreter &interpreter) : 762 Options(interpreter) 763 { 764 // Keep default values of all options in one place: OptionParsingStarting () 765 OptionParsingStarting (); 766 } 767 768 ~CommandOptions () 769 { 770 } 771 772 Error 773 SetOptionValue (uint32_t option_idx, const char *option_arg) 774 { 775 Error error; 776 char short_option = (char) m_getopt_table[option_idx].val; 777 778 switch (short_option) 779 { 780 case 'p': 781 plugin_name.assign (option_arg); 782 break; 783 784 default: 785 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 786 break; 787 } 788 return error; 789 } 790 791 void 792 OptionParsingStarting () 793 { 794 plugin_name.clear(); 795 } 796 797 const OptionDefinition* 798 GetDefinitions () 799 { 800 return g_option_table; 801 } 802 803 // Options table: Required for subclasses of Options. 804 805 static OptionDefinition g_option_table[]; 806 807 // Instance variables to hold the values for command options. 808 809 std::string plugin_name; 810 }; 811 812 CommandObjectProcessConnect (CommandInterpreter &interpreter) : 813 CommandObject (interpreter, 814 "process connect", 815 "Connect to a remote debug service.", 816 "process connect <remote-url>", 817 0), 818 m_options (interpreter) 819 { 820 } 821 822 ~CommandObjectProcessConnect () 823 { 824 } 825 826 827 bool 828 Execute (Args& command, 829 CommandReturnObject &result) 830 { 831 832 TargetSP target_sp (m_interpreter.GetDebugger().GetSelectedTarget()); 833 Error error; 834 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 835 if (process) 836 { 837 if (process->IsAlive()) 838 { 839 result.AppendErrorWithFormat ("Process %llu is currently being debugged, kill the process before connecting.\n", 840 process->GetID()); 841 result.SetStatus (eReturnStatusFailed); 842 return false; 843 } 844 } 845 846 if (!target_sp) 847 { 848 // If there isn't a current target create one. 849 FileSpec emptyFileSpec; 850 851 error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(), 852 emptyFileSpec, 853 NULL, 854 false, 855 NULL, // No platform options 856 target_sp); 857 if (!target_sp || error.Fail()) 858 { 859 result.AppendError(error.AsCString("Error creating target")); 860 result.SetStatus (eReturnStatusFailed); 861 return false; 862 } 863 m_interpreter.GetDebugger().GetTargetList().SetSelectedTarget(target_sp.get()); 864 } 865 866 if (command.GetArgumentCount() == 1) 867 { 868 const char *plugin_name = NULL; 869 if (!m_options.plugin_name.empty()) 870 plugin_name = m_options.plugin_name.c_str(); 871 872 const char *remote_url = command.GetArgumentAtIndex(0); 873 process = target_sp->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name, NULL).get(); 874 875 if (process) 876 { 877 error = process->ConnectRemote (remote_url); 878 879 if (error.Fail()) 880 { 881 result.AppendError(error.AsCString("Remote connect failed")); 882 result.SetStatus (eReturnStatusFailed); 883 target_sp->DeleteCurrentProcess(); 884 return false; 885 } 886 } 887 else 888 { 889 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", 890 m_cmd_name.c_str()); 891 result.SetStatus (eReturnStatusFailed); 892 } 893 } 894 else 895 { 896 result.AppendErrorWithFormat ("'%s' takes exactly one argument:\nUsage: %s\n", 897 m_cmd_name.c_str(), 898 m_cmd_syntax.c_str()); 899 result.SetStatus (eReturnStatusFailed); 900 } 901 return result.Succeeded(); 902 } 903 904 Options * 905 GetOptions () 906 { 907 return &m_options; 908 } 909 910 protected: 911 912 CommandOptions m_options; 913 }; 914 915 916 OptionDefinition 917 CommandObjectProcessConnect::CommandOptions::g_option_table[] = 918 { 919 { LLDB_OPT_SET_ALL, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 920 { 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL } 921 }; 922 923 //------------------------------------------------------------------------- 924 // CommandObjectProcessLoad 925 //------------------------------------------------------------------------- 926 #pragma mark CommandObjectProcessLoad 927 928 class CommandObjectProcessLoad : public CommandObject 929 { 930 public: 931 932 CommandObjectProcessLoad (CommandInterpreter &interpreter) : 933 CommandObject (interpreter, 934 "process load", 935 "Load a shared library into the current process.", 936 "process load <filename> [<filename> ...]", 937 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 938 { 939 } 940 941 ~CommandObjectProcessLoad () 942 { 943 } 944 945 bool 946 Execute (Args& command, 947 CommandReturnObject &result) 948 { 949 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 950 if (process == NULL) 951 { 952 result.AppendError ("must have a valid process in order to load a shared library"); 953 result.SetStatus (eReturnStatusFailed); 954 return false; 955 } 956 957 const uint32_t argc = command.GetArgumentCount(); 958 959 for (uint32_t i=0; i<argc; ++i) 960 { 961 Error error; 962 const char *image_path = command.GetArgumentAtIndex(i); 963 FileSpec image_spec (image_path, false); 964 process->GetTarget().GetPlatform()->ResolveRemotePath(image_spec, image_spec); 965 uint32_t image_token = process->LoadImage(image_spec, error); 966 if (image_token != LLDB_INVALID_IMAGE_TOKEN) 967 { 968 result.AppendMessageWithFormat ("Loading \"%s\"...ok\nImage %u loaded.\n", image_path, image_token); 969 result.SetStatus (eReturnStatusSuccessFinishResult); 970 } 971 else 972 { 973 result.AppendErrorWithFormat ("failed to load '%s': %s", image_path, error.AsCString()); 974 result.SetStatus (eReturnStatusFailed); 975 } 976 } 977 return result.Succeeded(); 978 } 979 }; 980 981 982 //------------------------------------------------------------------------- 983 // CommandObjectProcessUnload 984 //------------------------------------------------------------------------- 985 #pragma mark CommandObjectProcessUnload 986 987 class CommandObjectProcessUnload : public CommandObject 988 { 989 public: 990 991 CommandObjectProcessUnload (CommandInterpreter &interpreter) : 992 CommandObject (interpreter, 993 "process unload", 994 "Unload a shared library from the current process using the index returned by a previous call to \"process load\".", 995 "process unload <index>", 996 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 997 { 998 } 999 1000 ~CommandObjectProcessUnload () 1001 { 1002 } 1003 1004 bool 1005 Execute (Args& command, 1006 CommandReturnObject &result) 1007 { 1008 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1009 if (process == NULL) 1010 { 1011 result.AppendError ("must have a valid process in order to load a shared library"); 1012 result.SetStatus (eReturnStatusFailed); 1013 return false; 1014 } 1015 1016 const uint32_t argc = command.GetArgumentCount(); 1017 1018 for (uint32_t i=0; i<argc; ++i) 1019 { 1020 const char *image_token_cstr = command.GetArgumentAtIndex(i); 1021 uint32_t image_token = Args::StringToUInt32(image_token_cstr, LLDB_INVALID_IMAGE_TOKEN, 0); 1022 if (image_token == LLDB_INVALID_IMAGE_TOKEN) 1023 { 1024 result.AppendErrorWithFormat ("invalid image index argument '%s'", image_token_cstr); 1025 result.SetStatus (eReturnStatusFailed); 1026 break; 1027 } 1028 else 1029 { 1030 Error error (process->UnloadImage(image_token)); 1031 if (error.Success()) 1032 { 1033 result.AppendMessageWithFormat ("Unloading shared library with index %u...ok\n", image_token); 1034 result.SetStatus (eReturnStatusSuccessFinishResult); 1035 } 1036 else 1037 { 1038 result.AppendErrorWithFormat ("failed to unload image: %s", error.AsCString()); 1039 result.SetStatus (eReturnStatusFailed); 1040 break; 1041 } 1042 } 1043 } 1044 return result.Succeeded(); 1045 } 1046 }; 1047 1048 //------------------------------------------------------------------------- 1049 // CommandObjectProcessSignal 1050 //------------------------------------------------------------------------- 1051 #pragma mark CommandObjectProcessSignal 1052 1053 class CommandObjectProcessSignal : public CommandObject 1054 { 1055 public: 1056 1057 CommandObjectProcessSignal (CommandInterpreter &interpreter) : 1058 CommandObject (interpreter, 1059 "process signal", 1060 "Send a UNIX signal to the current process being debugged.", 1061 NULL) 1062 { 1063 CommandArgumentEntry arg; 1064 CommandArgumentData signal_arg; 1065 1066 // Define the first (and only) variant of this arg. 1067 signal_arg.arg_type = eArgTypeUnixSignal; 1068 signal_arg.arg_repetition = eArgRepeatPlain; 1069 1070 // There is only one variant this argument could be; put it into the argument entry. 1071 arg.push_back (signal_arg); 1072 1073 // Push the data for the first argument into the m_arguments vector. 1074 m_arguments.push_back (arg); 1075 } 1076 1077 ~CommandObjectProcessSignal () 1078 { 1079 } 1080 1081 bool 1082 Execute (Args& command, 1083 CommandReturnObject &result) 1084 { 1085 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1086 if (process == NULL) 1087 { 1088 result.AppendError ("no process to signal"); 1089 result.SetStatus (eReturnStatusFailed); 1090 return false; 1091 } 1092 1093 if (command.GetArgumentCount() == 1) 1094 { 1095 int signo = LLDB_INVALID_SIGNAL_NUMBER; 1096 1097 const char *signal_name = command.GetArgumentAtIndex(0); 1098 if (::isxdigit (signal_name[0])) 1099 signo = Args::StringToSInt32(signal_name, LLDB_INVALID_SIGNAL_NUMBER, 0); 1100 else 1101 signo = process->GetUnixSignals().GetSignalNumberFromName (signal_name); 1102 1103 if (signo == LLDB_INVALID_SIGNAL_NUMBER) 1104 { 1105 result.AppendErrorWithFormat ("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0)); 1106 result.SetStatus (eReturnStatusFailed); 1107 } 1108 else 1109 { 1110 Error error (process->Signal (signo)); 1111 if (error.Success()) 1112 { 1113 result.SetStatus (eReturnStatusSuccessFinishResult); 1114 } 1115 else 1116 { 1117 result.AppendErrorWithFormat ("Failed to send signal %i: %s\n", signo, error.AsCString()); 1118 result.SetStatus (eReturnStatusFailed); 1119 } 1120 } 1121 } 1122 else 1123 { 1124 result.AppendErrorWithFormat("'%s' takes exactly one signal number argument:\nUsage: %s\n", m_cmd_name.c_str(), 1125 m_cmd_syntax.c_str()); 1126 result.SetStatus (eReturnStatusFailed); 1127 } 1128 return result.Succeeded(); 1129 } 1130 }; 1131 1132 1133 //------------------------------------------------------------------------- 1134 // CommandObjectProcessInterrupt 1135 //------------------------------------------------------------------------- 1136 #pragma mark CommandObjectProcessInterrupt 1137 1138 class CommandObjectProcessInterrupt : public CommandObject 1139 { 1140 public: 1141 1142 1143 CommandObjectProcessInterrupt (CommandInterpreter &interpreter) : 1144 CommandObject (interpreter, 1145 "process interrupt", 1146 "Interrupt the current process being debugged.", 1147 "process interrupt", 1148 eFlagProcessMustBeLaunched) 1149 { 1150 } 1151 1152 ~CommandObjectProcessInterrupt () 1153 { 1154 } 1155 1156 bool 1157 Execute (Args& command, 1158 CommandReturnObject &result) 1159 { 1160 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1161 if (process == NULL) 1162 { 1163 result.AppendError ("no process to halt"); 1164 result.SetStatus (eReturnStatusFailed); 1165 return false; 1166 } 1167 1168 if (command.GetArgumentCount() == 0) 1169 { 1170 Error error(process->Halt ()); 1171 if (error.Success()) 1172 { 1173 result.SetStatus (eReturnStatusSuccessFinishResult); 1174 1175 // Maybe we should add a "SuspendThreadPlans so we 1176 // can halt, and keep in place all the current thread plans. 1177 process->GetThreadList().DiscardThreadPlans(); 1178 } 1179 else 1180 { 1181 result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString()); 1182 result.SetStatus (eReturnStatusFailed); 1183 } 1184 } 1185 else 1186 { 1187 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", 1188 m_cmd_name.c_str(), 1189 m_cmd_syntax.c_str()); 1190 result.SetStatus (eReturnStatusFailed); 1191 } 1192 return result.Succeeded(); 1193 } 1194 }; 1195 1196 //------------------------------------------------------------------------- 1197 // CommandObjectProcessKill 1198 //------------------------------------------------------------------------- 1199 #pragma mark CommandObjectProcessKill 1200 1201 class CommandObjectProcessKill : public CommandObject 1202 { 1203 public: 1204 1205 CommandObjectProcessKill (CommandInterpreter &interpreter) : 1206 CommandObject (interpreter, 1207 "process kill", 1208 "Terminate the current process being debugged.", 1209 "process kill", 1210 eFlagProcessMustBeLaunched) 1211 { 1212 } 1213 1214 ~CommandObjectProcessKill () 1215 { 1216 } 1217 1218 bool 1219 Execute (Args& command, 1220 CommandReturnObject &result) 1221 { 1222 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1223 if (process == NULL) 1224 { 1225 result.AppendError ("no process to kill"); 1226 result.SetStatus (eReturnStatusFailed); 1227 return false; 1228 } 1229 1230 if (command.GetArgumentCount() == 0) 1231 { 1232 Error error (process->Destroy()); 1233 if (error.Success()) 1234 { 1235 result.SetStatus (eReturnStatusSuccessFinishResult); 1236 } 1237 else 1238 { 1239 result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); 1240 result.SetStatus (eReturnStatusFailed); 1241 } 1242 } 1243 else 1244 { 1245 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", 1246 m_cmd_name.c_str(), 1247 m_cmd_syntax.c_str()); 1248 result.SetStatus (eReturnStatusFailed); 1249 } 1250 return result.Succeeded(); 1251 } 1252 }; 1253 1254 //------------------------------------------------------------------------- 1255 // CommandObjectProcessStatus 1256 //------------------------------------------------------------------------- 1257 #pragma mark CommandObjectProcessStatus 1258 1259 class CommandObjectProcessStatus : public CommandObject 1260 { 1261 public: 1262 CommandObjectProcessStatus (CommandInterpreter &interpreter) : 1263 CommandObject (interpreter, 1264 "process status", 1265 "Show the current status and location of executing process.", 1266 "process status", 1267 0) 1268 { 1269 } 1270 1271 ~CommandObjectProcessStatus() 1272 { 1273 } 1274 1275 1276 bool 1277 Execute 1278 ( 1279 Args& command, 1280 CommandReturnObject &result 1281 ) 1282 { 1283 Stream &strm = result.GetOutputStream(); 1284 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1285 ExecutionContext exe_ctx(m_interpreter.GetExecutionContext()); 1286 Process *process = exe_ctx.GetProcessPtr(); 1287 if (process) 1288 { 1289 const bool only_threads_with_stop_reason = true; 1290 const uint32_t start_frame = 0; 1291 const uint32_t num_frames = 1; 1292 const uint32_t num_frames_with_source = 1; 1293 process->GetStatus(strm); 1294 process->GetThreadStatus (strm, 1295 only_threads_with_stop_reason, 1296 start_frame, 1297 num_frames, 1298 num_frames_with_source); 1299 1300 } 1301 else 1302 { 1303 result.AppendError ("No process."); 1304 result.SetStatus (eReturnStatusFailed); 1305 } 1306 return result.Succeeded(); 1307 } 1308 }; 1309 1310 //------------------------------------------------------------------------- 1311 // CommandObjectProcessHandle 1312 //------------------------------------------------------------------------- 1313 #pragma mark CommandObjectProcessHandle 1314 1315 class CommandObjectProcessHandle : public CommandObject 1316 { 1317 public: 1318 1319 class CommandOptions : public Options 1320 { 1321 public: 1322 1323 CommandOptions (CommandInterpreter &interpreter) : 1324 Options (interpreter) 1325 { 1326 OptionParsingStarting (); 1327 } 1328 1329 ~CommandOptions () 1330 { 1331 } 1332 1333 Error 1334 SetOptionValue (uint32_t option_idx, const char *option_arg) 1335 { 1336 Error error; 1337 char short_option = (char) m_getopt_table[option_idx].val; 1338 1339 switch (short_option) 1340 { 1341 case 's': 1342 stop = option_arg; 1343 break; 1344 case 'n': 1345 notify = option_arg; 1346 break; 1347 case 'p': 1348 pass = option_arg; 1349 break; 1350 default: 1351 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 1352 break; 1353 } 1354 return error; 1355 } 1356 1357 void 1358 OptionParsingStarting () 1359 { 1360 stop.clear(); 1361 notify.clear(); 1362 pass.clear(); 1363 } 1364 1365 const OptionDefinition* 1366 GetDefinitions () 1367 { 1368 return g_option_table; 1369 } 1370 1371 // Options table: Required for subclasses of Options. 1372 1373 static OptionDefinition g_option_table[]; 1374 1375 // Instance variables to hold the values for command options. 1376 1377 std::string stop; 1378 std::string notify; 1379 std::string pass; 1380 }; 1381 1382 1383 CommandObjectProcessHandle (CommandInterpreter &interpreter) : 1384 CommandObject (interpreter, 1385 "process handle", 1386 "Show or update what the process and debugger should do with various signals received from the OS.", 1387 NULL), 1388 m_options (interpreter) 1389 { 1390 SetHelpLong ("If no signals are specified, update them all. If no update option is specified, list the current values.\n"); 1391 CommandArgumentEntry arg; 1392 CommandArgumentData signal_arg; 1393 1394 signal_arg.arg_type = eArgTypeUnixSignal; 1395 signal_arg.arg_repetition = eArgRepeatStar; 1396 1397 arg.push_back (signal_arg); 1398 1399 m_arguments.push_back (arg); 1400 } 1401 1402 ~CommandObjectProcessHandle () 1403 { 1404 } 1405 1406 Options * 1407 GetOptions () 1408 { 1409 return &m_options; 1410 } 1411 1412 bool 1413 VerifyCommandOptionValue (const std::string &option, int &real_value) 1414 { 1415 bool okay = true; 1416 1417 bool success = false; 1418 bool tmp_value = Args::StringToBoolean (option.c_str(), false, &success); 1419 1420 if (success && tmp_value) 1421 real_value = 1; 1422 else if (success && !tmp_value) 1423 real_value = 0; 1424 else 1425 { 1426 // If the value isn't 'true' or 'false', it had better be 0 or 1. 1427 real_value = Args::StringToUInt32 (option.c_str(), 3); 1428 if (real_value != 0 && real_value != 1) 1429 okay = false; 1430 } 1431 1432 return okay; 1433 } 1434 1435 void 1436 PrintSignalHeader (Stream &str) 1437 { 1438 str.Printf ("NAME PASS STOP NOTIFY\n"); 1439 str.Printf ("========== ===== ===== ======\n"); 1440 } 1441 1442 void 1443 PrintSignal (Stream &str, int32_t signo, const char *sig_name, UnixSignals &signals) 1444 { 1445 bool stop; 1446 bool suppress; 1447 bool notify; 1448 1449 str.Printf ("%-10s ", sig_name); 1450 if (signals.GetSignalInfo (signo, suppress, stop, notify)) 1451 { 1452 bool pass = !suppress; 1453 str.Printf ("%s %s %s", 1454 (pass ? "true " : "false"), 1455 (stop ? "true " : "false"), 1456 (notify ? "true " : "false")); 1457 } 1458 str.Printf ("\n"); 1459 } 1460 1461 void 1462 PrintSignalInformation (Stream &str, Args &signal_args, int num_valid_signals, UnixSignals &signals) 1463 { 1464 PrintSignalHeader (str); 1465 1466 if (num_valid_signals > 0) 1467 { 1468 size_t num_args = signal_args.GetArgumentCount(); 1469 for (size_t i = 0; i < num_args; ++i) 1470 { 1471 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1472 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1473 PrintSignal (str, signo, signal_args.GetArgumentAtIndex (i), signals); 1474 } 1475 } 1476 else // Print info for ALL signals 1477 { 1478 int32_t signo = signals.GetFirstSignalNumber(); 1479 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1480 { 1481 PrintSignal (str, signo, signals.GetSignalAsCString (signo), signals); 1482 signo = signals.GetNextSignalNumber (signo); 1483 } 1484 } 1485 } 1486 1487 bool 1488 Execute (Args &signal_args, CommandReturnObject &result) 1489 { 1490 TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget(); 1491 1492 if (!target_sp) 1493 { 1494 result.AppendError ("No current target;" 1495 " cannot handle signals until you have a valid target and process.\n"); 1496 result.SetStatus (eReturnStatusFailed); 1497 return false; 1498 } 1499 1500 ProcessSP process_sp = target_sp->GetProcessSP(); 1501 1502 if (!process_sp) 1503 { 1504 result.AppendError ("No current process; cannot handle signals until you have a valid process.\n"); 1505 result.SetStatus (eReturnStatusFailed); 1506 return false; 1507 } 1508 1509 int stop_action = -1; // -1 means leave the current setting alone 1510 int pass_action = -1; // -1 means leave the current setting alone 1511 int notify_action = -1; // -1 means leave the current setting alone 1512 1513 if (! m_options.stop.empty() 1514 && ! VerifyCommandOptionValue (m_options.stop, stop_action)) 1515 { 1516 result.AppendError ("Invalid argument for command option --stop; must be true or false.\n"); 1517 result.SetStatus (eReturnStatusFailed); 1518 return false; 1519 } 1520 1521 if (! m_options.notify.empty() 1522 && ! VerifyCommandOptionValue (m_options.notify, notify_action)) 1523 { 1524 result.AppendError ("Invalid argument for command option --notify; must be true or false.\n"); 1525 result.SetStatus (eReturnStatusFailed); 1526 return false; 1527 } 1528 1529 if (! m_options.pass.empty() 1530 && ! VerifyCommandOptionValue (m_options.pass, pass_action)) 1531 { 1532 result.AppendError ("Invalid argument for command option --pass; must be true or false.\n"); 1533 result.SetStatus (eReturnStatusFailed); 1534 return false; 1535 } 1536 1537 size_t num_args = signal_args.GetArgumentCount(); 1538 UnixSignals &signals = process_sp->GetUnixSignals(); 1539 int num_signals_set = 0; 1540 1541 if (num_args > 0) 1542 { 1543 for (size_t i = 0; i < num_args; ++i) 1544 { 1545 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1546 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1547 { 1548 // Casting the actions as bools here should be okay, because VerifyCommandOptionValue guarantees 1549 // the value is either 0 or 1. 1550 if (stop_action != -1) 1551 signals.SetShouldStop (signo, (bool) stop_action); 1552 if (pass_action != -1) 1553 { 1554 bool suppress = ! ((bool) pass_action); 1555 signals.SetShouldSuppress (signo, suppress); 1556 } 1557 if (notify_action != -1) 1558 signals.SetShouldNotify (signo, (bool) notify_action); 1559 ++num_signals_set; 1560 } 1561 else 1562 { 1563 result.AppendErrorWithFormat ("Invalid signal name '%s'\n", signal_args.GetArgumentAtIndex (i)); 1564 } 1565 } 1566 } 1567 else 1568 { 1569 // No signal specified, if any command options were specified, update ALL signals. 1570 if ((notify_action != -1) || (stop_action != -1) || (pass_action != -1)) 1571 { 1572 if (m_interpreter.Confirm ("Do you really want to update all the signals?", false)) 1573 { 1574 int32_t signo = signals.GetFirstSignalNumber(); 1575 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1576 { 1577 if (notify_action != -1) 1578 signals.SetShouldNotify (signo, (bool) notify_action); 1579 if (stop_action != -1) 1580 signals.SetShouldStop (signo, (bool) stop_action); 1581 if (pass_action != -1) 1582 { 1583 bool suppress = ! ((bool) pass_action); 1584 signals.SetShouldSuppress (signo, suppress); 1585 } 1586 signo = signals.GetNextSignalNumber (signo); 1587 } 1588 } 1589 } 1590 } 1591 1592 PrintSignalInformation (result.GetOutputStream(), signal_args, num_signals_set, signals); 1593 1594 if (num_signals_set > 0) 1595 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1596 else 1597 result.SetStatus (eReturnStatusFailed); 1598 1599 return result.Succeeded(); 1600 } 1601 1602 protected: 1603 1604 CommandOptions m_options; 1605 }; 1606 1607 OptionDefinition 1608 CommandObjectProcessHandle::CommandOptions::g_option_table[] = 1609 { 1610 { 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." }, 1611 { 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." }, 1612 { LLDB_OPT_SET_1, false, "pass", 'p', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." }, 1613 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1614 }; 1615 1616 //------------------------------------------------------------------------- 1617 // CommandObjectMultiwordProcess 1618 //------------------------------------------------------------------------- 1619 1620 CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) : 1621 CommandObjectMultiword (interpreter, 1622 "process", 1623 "A set of commands for operating on a process.", 1624 "process <subcommand> [<subcommand-options>]") 1625 { 1626 LoadSubCommand ("attach", CommandObjectSP (new CommandObjectProcessAttach (interpreter))); 1627 LoadSubCommand ("launch", CommandObjectSP (new CommandObjectProcessLaunch (interpreter))); 1628 LoadSubCommand ("continue", CommandObjectSP (new CommandObjectProcessContinue (interpreter))); 1629 LoadSubCommand ("connect", CommandObjectSP (new CommandObjectProcessConnect (interpreter))); 1630 LoadSubCommand ("detach", CommandObjectSP (new CommandObjectProcessDetach (interpreter))); 1631 LoadSubCommand ("load", CommandObjectSP (new CommandObjectProcessLoad (interpreter))); 1632 LoadSubCommand ("unload", CommandObjectSP (new CommandObjectProcessUnload (interpreter))); 1633 LoadSubCommand ("signal", CommandObjectSP (new CommandObjectProcessSignal (interpreter))); 1634 LoadSubCommand ("handle", CommandObjectSP (new CommandObjectProcessHandle (interpreter))); 1635 LoadSubCommand ("status", CommandObjectSP (new CommandObjectProcessStatus (interpreter))); 1636 LoadSubCommand ("interrupt", CommandObjectSP (new CommandObjectProcessInterrupt (interpreter))); 1637 LoadSubCommand ("kill", CommandObjectSP (new CommandObjectProcessKill (interpreter))); 1638 } 1639 1640 CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess () 1641 { 1642 } 1643 1644