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 CommandObjectProjectLaunch 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 return false; 884 } 885 } 886 else 887 { 888 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", 889 m_cmd_name.c_str()); 890 result.SetStatus (eReturnStatusFailed); 891 } 892 } 893 else 894 { 895 result.AppendErrorWithFormat ("'%s' takes exactly one argument:\nUsage: %s\n", 896 m_cmd_name.c_str(), 897 m_cmd_syntax.c_str()); 898 result.SetStatus (eReturnStatusFailed); 899 } 900 return result.Succeeded(); 901 } 902 903 Options * 904 GetOptions () 905 { 906 return &m_options; 907 } 908 909 protected: 910 911 CommandOptions m_options; 912 }; 913 914 915 OptionDefinition 916 CommandObjectProcessConnect::CommandOptions::g_option_table[] = 917 { 918 { LLDB_OPT_SET_ALL, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 919 { 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL } 920 }; 921 922 //------------------------------------------------------------------------- 923 // CommandObjectProcessLoad 924 //------------------------------------------------------------------------- 925 #pragma mark CommandObjectProcessLoad 926 927 class CommandObjectProcessLoad : public CommandObject 928 { 929 public: 930 931 CommandObjectProcessLoad (CommandInterpreter &interpreter) : 932 CommandObject (interpreter, 933 "process load", 934 "Load a shared library into the current process.", 935 "process load <filename> [<filename> ...]", 936 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 937 { 938 } 939 940 ~CommandObjectProcessLoad () 941 { 942 } 943 944 bool 945 Execute (Args& command, 946 CommandReturnObject &result) 947 { 948 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 949 if (process == NULL) 950 { 951 result.AppendError ("must have a valid process in order to load a shared library"); 952 result.SetStatus (eReturnStatusFailed); 953 return false; 954 } 955 956 const uint32_t argc = command.GetArgumentCount(); 957 958 for (uint32_t i=0; i<argc; ++i) 959 { 960 Error error; 961 const char *image_path = command.GetArgumentAtIndex(i); 962 FileSpec image_spec (image_path, false); 963 process->GetTarget().GetPlatform()->ResolveRemotePath(image_spec, image_spec); 964 uint32_t image_token = process->LoadImage(image_spec, error); 965 if (image_token != LLDB_INVALID_IMAGE_TOKEN) 966 { 967 result.AppendMessageWithFormat ("Loading \"%s\"...ok\nImage %u loaded.\n", image_path, image_token); 968 result.SetStatus (eReturnStatusSuccessFinishResult); 969 } 970 else 971 { 972 result.AppendErrorWithFormat ("failed to load '%s': %s", image_path, error.AsCString()); 973 result.SetStatus (eReturnStatusFailed); 974 } 975 } 976 return result.Succeeded(); 977 } 978 }; 979 980 981 //------------------------------------------------------------------------- 982 // CommandObjectProcessUnload 983 //------------------------------------------------------------------------- 984 #pragma mark CommandObjectProcessUnload 985 986 class CommandObjectProcessUnload : public CommandObject 987 { 988 public: 989 990 CommandObjectProcessUnload (CommandInterpreter &interpreter) : 991 CommandObject (interpreter, 992 "process unload", 993 "Unload a shared library from the current process using the index returned by a previous call to \"process load\".", 994 "process unload <index>", 995 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 996 { 997 } 998 999 ~CommandObjectProcessUnload () 1000 { 1001 } 1002 1003 bool 1004 Execute (Args& command, 1005 CommandReturnObject &result) 1006 { 1007 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1008 if (process == NULL) 1009 { 1010 result.AppendError ("must have a valid process in order to load a shared library"); 1011 result.SetStatus (eReturnStatusFailed); 1012 return false; 1013 } 1014 1015 const uint32_t argc = command.GetArgumentCount(); 1016 1017 for (uint32_t i=0; i<argc; ++i) 1018 { 1019 const char *image_token_cstr = command.GetArgumentAtIndex(i); 1020 uint32_t image_token = Args::StringToUInt32(image_token_cstr, LLDB_INVALID_IMAGE_TOKEN, 0); 1021 if (image_token == LLDB_INVALID_IMAGE_TOKEN) 1022 { 1023 result.AppendErrorWithFormat ("invalid image index argument '%s'", image_token_cstr); 1024 result.SetStatus (eReturnStatusFailed); 1025 break; 1026 } 1027 else 1028 { 1029 Error error (process->UnloadImage(image_token)); 1030 if (error.Success()) 1031 { 1032 result.AppendMessageWithFormat ("Unloading shared library with index %u...ok\n", image_token); 1033 result.SetStatus (eReturnStatusSuccessFinishResult); 1034 } 1035 else 1036 { 1037 result.AppendErrorWithFormat ("failed to unload image: %s", error.AsCString()); 1038 result.SetStatus (eReturnStatusFailed); 1039 break; 1040 } 1041 } 1042 } 1043 return result.Succeeded(); 1044 } 1045 }; 1046 1047 //------------------------------------------------------------------------- 1048 // CommandObjectProcessSignal 1049 //------------------------------------------------------------------------- 1050 #pragma mark CommandObjectProcessSignal 1051 1052 class CommandObjectProcessSignal : public CommandObject 1053 { 1054 public: 1055 1056 CommandObjectProcessSignal (CommandInterpreter &interpreter) : 1057 CommandObject (interpreter, 1058 "process signal", 1059 "Send a UNIX signal to the current process being debugged.", 1060 NULL) 1061 { 1062 CommandArgumentEntry arg; 1063 CommandArgumentData signal_arg; 1064 1065 // Define the first (and only) variant of this arg. 1066 signal_arg.arg_type = eArgTypeUnixSignal; 1067 signal_arg.arg_repetition = eArgRepeatPlain; 1068 1069 // There is only one variant this argument could be; put it into the argument entry. 1070 arg.push_back (signal_arg); 1071 1072 // Push the data for the first argument into the m_arguments vector. 1073 m_arguments.push_back (arg); 1074 } 1075 1076 ~CommandObjectProcessSignal () 1077 { 1078 } 1079 1080 bool 1081 Execute (Args& command, 1082 CommandReturnObject &result) 1083 { 1084 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1085 if (process == NULL) 1086 { 1087 result.AppendError ("no process to signal"); 1088 result.SetStatus (eReturnStatusFailed); 1089 return false; 1090 } 1091 1092 if (command.GetArgumentCount() == 1) 1093 { 1094 int signo = LLDB_INVALID_SIGNAL_NUMBER; 1095 1096 const char *signal_name = command.GetArgumentAtIndex(0); 1097 if (::isxdigit (signal_name[0])) 1098 signo = Args::StringToSInt32(signal_name, LLDB_INVALID_SIGNAL_NUMBER, 0); 1099 else 1100 signo = process->GetUnixSignals().GetSignalNumberFromName (signal_name); 1101 1102 if (signo == LLDB_INVALID_SIGNAL_NUMBER) 1103 { 1104 result.AppendErrorWithFormat ("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0)); 1105 result.SetStatus (eReturnStatusFailed); 1106 } 1107 else 1108 { 1109 Error error (process->Signal (signo)); 1110 if (error.Success()) 1111 { 1112 result.SetStatus (eReturnStatusSuccessFinishResult); 1113 } 1114 else 1115 { 1116 result.AppendErrorWithFormat ("Failed to send signal %i: %s\n", signo, error.AsCString()); 1117 result.SetStatus (eReturnStatusFailed); 1118 } 1119 } 1120 } 1121 else 1122 { 1123 result.AppendErrorWithFormat("'%s' takes exactly one signal number argument:\nUsage: %s\n", m_cmd_name.c_str(), 1124 m_cmd_syntax.c_str()); 1125 result.SetStatus (eReturnStatusFailed); 1126 } 1127 return result.Succeeded(); 1128 } 1129 }; 1130 1131 1132 //------------------------------------------------------------------------- 1133 // CommandObjectProcessInterrupt 1134 //------------------------------------------------------------------------- 1135 #pragma mark CommandObjectProcessInterrupt 1136 1137 class CommandObjectProcessInterrupt : public CommandObject 1138 { 1139 public: 1140 1141 1142 CommandObjectProcessInterrupt (CommandInterpreter &interpreter) : 1143 CommandObject (interpreter, 1144 "process interrupt", 1145 "Interrupt the current process being debugged.", 1146 "process interrupt", 1147 eFlagProcessMustBeLaunched) 1148 { 1149 } 1150 1151 ~CommandObjectProcessInterrupt () 1152 { 1153 } 1154 1155 bool 1156 Execute (Args& command, 1157 CommandReturnObject &result) 1158 { 1159 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1160 if (process == NULL) 1161 { 1162 result.AppendError ("no process to halt"); 1163 result.SetStatus (eReturnStatusFailed); 1164 return false; 1165 } 1166 1167 if (command.GetArgumentCount() == 0) 1168 { 1169 Error error(process->Halt ()); 1170 if (error.Success()) 1171 { 1172 result.SetStatus (eReturnStatusSuccessFinishResult); 1173 1174 // Maybe we should add a "SuspendThreadPlans so we 1175 // can halt, and keep in place all the current thread plans. 1176 process->GetThreadList().DiscardThreadPlans(); 1177 } 1178 else 1179 { 1180 result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString()); 1181 result.SetStatus (eReturnStatusFailed); 1182 } 1183 } 1184 else 1185 { 1186 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", 1187 m_cmd_name.c_str(), 1188 m_cmd_syntax.c_str()); 1189 result.SetStatus (eReturnStatusFailed); 1190 } 1191 return result.Succeeded(); 1192 } 1193 }; 1194 1195 //------------------------------------------------------------------------- 1196 // CommandObjectProcessKill 1197 //------------------------------------------------------------------------- 1198 #pragma mark CommandObjectProcessKill 1199 1200 class CommandObjectProcessKill : public CommandObject 1201 { 1202 public: 1203 1204 CommandObjectProcessKill (CommandInterpreter &interpreter) : 1205 CommandObject (interpreter, 1206 "process kill", 1207 "Terminate the current process being debugged.", 1208 "process kill", 1209 eFlagProcessMustBeLaunched) 1210 { 1211 } 1212 1213 ~CommandObjectProcessKill () 1214 { 1215 } 1216 1217 bool 1218 Execute (Args& command, 1219 CommandReturnObject &result) 1220 { 1221 Process *process = m_interpreter.GetExecutionContext().GetProcessPtr(); 1222 if (process == NULL) 1223 { 1224 result.AppendError ("no process to kill"); 1225 result.SetStatus (eReturnStatusFailed); 1226 return false; 1227 } 1228 1229 if (command.GetArgumentCount() == 0) 1230 { 1231 Error error (process->Destroy()); 1232 if (error.Success()) 1233 { 1234 result.SetStatus (eReturnStatusSuccessFinishResult); 1235 } 1236 else 1237 { 1238 result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); 1239 result.SetStatus (eReturnStatusFailed); 1240 } 1241 } 1242 else 1243 { 1244 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: %s\n", 1245 m_cmd_name.c_str(), 1246 m_cmd_syntax.c_str()); 1247 result.SetStatus (eReturnStatusFailed); 1248 } 1249 return result.Succeeded(); 1250 } 1251 }; 1252 1253 //------------------------------------------------------------------------- 1254 // CommandObjectProcessStatus 1255 //------------------------------------------------------------------------- 1256 #pragma mark CommandObjectProcessStatus 1257 1258 class CommandObjectProcessStatus : public CommandObject 1259 { 1260 public: 1261 CommandObjectProcessStatus (CommandInterpreter &interpreter) : 1262 CommandObject (interpreter, 1263 "process status", 1264 "Show the current status and location of executing process.", 1265 "process status", 1266 0) 1267 { 1268 } 1269 1270 ~CommandObjectProcessStatus() 1271 { 1272 } 1273 1274 1275 bool 1276 Execute 1277 ( 1278 Args& command, 1279 CommandReturnObject &result 1280 ) 1281 { 1282 Stream &strm = result.GetOutputStream(); 1283 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1284 ExecutionContext exe_ctx(m_interpreter.GetExecutionContext()); 1285 Process *process = exe_ctx.GetProcessPtr(); 1286 if (process) 1287 { 1288 const bool only_threads_with_stop_reason = true; 1289 const uint32_t start_frame = 0; 1290 const uint32_t num_frames = 1; 1291 const uint32_t num_frames_with_source = 1; 1292 process->GetStatus(strm); 1293 process->GetThreadStatus (strm, 1294 only_threads_with_stop_reason, 1295 start_frame, 1296 num_frames, 1297 num_frames_with_source); 1298 1299 } 1300 else 1301 { 1302 result.AppendError ("No process."); 1303 result.SetStatus (eReturnStatusFailed); 1304 } 1305 return result.Succeeded(); 1306 } 1307 }; 1308 1309 //------------------------------------------------------------------------- 1310 // CommandObjectProcessHandle 1311 //------------------------------------------------------------------------- 1312 #pragma mark CommandObjectProcessHandle 1313 1314 class CommandObjectProcessHandle : public CommandObject 1315 { 1316 public: 1317 1318 class CommandOptions : public Options 1319 { 1320 public: 1321 1322 CommandOptions (CommandInterpreter &interpreter) : 1323 Options (interpreter) 1324 { 1325 OptionParsingStarting (); 1326 } 1327 1328 ~CommandOptions () 1329 { 1330 } 1331 1332 Error 1333 SetOptionValue (uint32_t option_idx, const char *option_arg) 1334 { 1335 Error error; 1336 char short_option = (char) m_getopt_table[option_idx].val; 1337 1338 switch (short_option) 1339 { 1340 case 's': 1341 stop = option_arg; 1342 break; 1343 case 'n': 1344 notify = option_arg; 1345 break; 1346 case 'p': 1347 pass = option_arg; 1348 break; 1349 default: 1350 error.SetErrorStringWithFormat("invalid short option character '%c'", short_option); 1351 break; 1352 } 1353 return error; 1354 } 1355 1356 void 1357 OptionParsingStarting () 1358 { 1359 stop.clear(); 1360 notify.clear(); 1361 pass.clear(); 1362 } 1363 1364 const OptionDefinition* 1365 GetDefinitions () 1366 { 1367 return g_option_table; 1368 } 1369 1370 // Options table: Required for subclasses of Options. 1371 1372 static OptionDefinition g_option_table[]; 1373 1374 // Instance variables to hold the values for command options. 1375 1376 std::string stop; 1377 std::string notify; 1378 std::string pass; 1379 }; 1380 1381 1382 CommandObjectProcessHandle (CommandInterpreter &interpreter) : 1383 CommandObject (interpreter, 1384 "process handle", 1385 "Show or update what the process and debugger should do with various signals received from the OS.", 1386 NULL), 1387 m_options (interpreter) 1388 { 1389 SetHelpLong ("If no signals are specified, update them all. If no update option is specified, list the current values.\n"); 1390 CommandArgumentEntry arg; 1391 CommandArgumentData signal_arg; 1392 1393 signal_arg.arg_type = eArgTypeUnixSignal; 1394 signal_arg.arg_repetition = eArgRepeatStar; 1395 1396 arg.push_back (signal_arg); 1397 1398 m_arguments.push_back (arg); 1399 } 1400 1401 ~CommandObjectProcessHandle () 1402 { 1403 } 1404 1405 Options * 1406 GetOptions () 1407 { 1408 return &m_options; 1409 } 1410 1411 bool 1412 VerifyCommandOptionValue (const std::string &option, int &real_value) 1413 { 1414 bool okay = true; 1415 1416 bool success = false; 1417 bool tmp_value = Args::StringToBoolean (option.c_str(), false, &success); 1418 1419 if (success && tmp_value) 1420 real_value = 1; 1421 else if (success && !tmp_value) 1422 real_value = 0; 1423 else 1424 { 1425 // If the value isn't 'true' or 'false', it had better be 0 or 1. 1426 real_value = Args::StringToUInt32 (option.c_str(), 3); 1427 if (real_value != 0 && real_value != 1) 1428 okay = false; 1429 } 1430 1431 return okay; 1432 } 1433 1434 void 1435 PrintSignalHeader (Stream &str) 1436 { 1437 str.Printf ("NAME PASS STOP NOTIFY\n"); 1438 str.Printf ("========== ===== ===== ======\n"); 1439 } 1440 1441 void 1442 PrintSignal (Stream &str, int32_t signo, const char *sig_name, UnixSignals &signals) 1443 { 1444 bool stop; 1445 bool suppress; 1446 bool notify; 1447 1448 str.Printf ("%-10s ", sig_name); 1449 if (signals.GetSignalInfo (signo, suppress, stop, notify)) 1450 { 1451 bool pass = !suppress; 1452 str.Printf ("%s %s %s", 1453 (pass ? "true " : "false"), 1454 (stop ? "true " : "false"), 1455 (notify ? "true " : "false")); 1456 } 1457 str.Printf ("\n"); 1458 } 1459 1460 void 1461 PrintSignalInformation (Stream &str, Args &signal_args, int num_valid_signals, UnixSignals &signals) 1462 { 1463 PrintSignalHeader (str); 1464 1465 if (num_valid_signals > 0) 1466 { 1467 size_t num_args = signal_args.GetArgumentCount(); 1468 for (size_t i = 0; i < num_args; ++i) 1469 { 1470 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1471 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1472 PrintSignal (str, signo, signal_args.GetArgumentAtIndex (i), signals); 1473 } 1474 } 1475 else // Print info for ALL signals 1476 { 1477 int32_t signo = signals.GetFirstSignalNumber(); 1478 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1479 { 1480 PrintSignal (str, signo, signals.GetSignalAsCString (signo), signals); 1481 signo = signals.GetNextSignalNumber (signo); 1482 } 1483 } 1484 } 1485 1486 bool 1487 Execute (Args &signal_args, CommandReturnObject &result) 1488 { 1489 TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget(); 1490 1491 if (!target_sp) 1492 { 1493 result.AppendError ("No current target;" 1494 " cannot handle signals until you have a valid target and process.\n"); 1495 result.SetStatus (eReturnStatusFailed); 1496 return false; 1497 } 1498 1499 ProcessSP process_sp = target_sp->GetProcessSP(); 1500 1501 if (!process_sp) 1502 { 1503 result.AppendError ("No current process; cannot handle signals until you have a valid process.\n"); 1504 result.SetStatus (eReturnStatusFailed); 1505 return false; 1506 } 1507 1508 int stop_action = -1; // -1 means leave the current setting alone 1509 int pass_action = -1; // -1 means leave the current setting alone 1510 int notify_action = -1; // -1 means leave the current setting alone 1511 1512 if (! m_options.stop.empty() 1513 && ! VerifyCommandOptionValue (m_options.stop, stop_action)) 1514 { 1515 result.AppendError ("Invalid argument for command option --stop; must be true or false.\n"); 1516 result.SetStatus (eReturnStatusFailed); 1517 return false; 1518 } 1519 1520 if (! m_options.notify.empty() 1521 && ! VerifyCommandOptionValue (m_options.notify, notify_action)) 1522 { 1523 result.AppendError ("Invalid argument for command option --notify; must be true or false.\n"); 1524 result.SetStatus (eReturnStatusFailed); 1525 return false; 1526 } 1527 1528 if (! m_options.pass.empty() 1529 && ! VerifyCommandOptionValue (m_options.pass, pass_action)) 1530 { 1531 result.AppendError ("Invalid argument for command option --pass; must be true or false.\n"); 1532 result.SetStatus (eReturnStatusFailed); 1533 return false; 1534 } 1535 1536 size_t num_args = signal_args.GetArgumentCount(); 1537 UnixSignals &signals = process_sp->GetUnixSignals(); 1538 int num_signals_set = 0; 1539 1540 if (num_args > 0) 1541 { 1542 for (size_t i = 0; i < num_args; ++i) 1543 { 1544 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1545 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1546 { 1547 // Casting the actions as bools here should be okay, because VerifyCommandOptionValue guarantees 1548 // the value is either 0 or 1. 1549 if (stop_action != -1) 1550 signals.SetShouldStop (signo, (bool) stop_action); 1551 if (pass_action != -1) 1552 { 1553 bool suppress = ! ((bool) pass_action); 1554 signals.SetShouldSuppress (signo, suppress); 1555 } 1556 if (notify_action != -1) 1557 signals.SetShouldNotify (signo, (bool) notify_action); 1558 ++num_signals_set; 1559 } 1560 else 1561 { 1562 result.AppendErrorWithFormat ("Invalid signal name '%s'\n", signal_args.GetArgumentAtIndex (i)); 1563 } 1564 } 1565 } 1566 else 1567 { 1568 // No signal specified, if any command options were specified, update ALL signals. 1569 if ((notify_action != -1) || (stop_action != -1) || (pass_action != -1)) 1570 { 1571 if (m_interpreter.Confirm ("Do you really want to update all the signals?", false)) 1572 { 1573 int32_t signo = signals.GetFirstSignalNumber(); 1574 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1575 { 1576 if (notify_action != -1) 1577 signals.SetShouldNotify (signo, (bool) notify_action); 1578 if (stop_action != -1) 1579 signals.SetShouldStop (signo, (bool) stop_action); 1580 if (pass_action != -1) 1581 { 1582 bool suppress = ! ((bool) pass_action); 1583 signals.SetShouldSuppress (signo, suppress); 1584 } 1585 signo = signals.GetNextSignalNumber (signo); 1586 } 1587 } 1588 } 1589 } 1590 1591 PrintSignalInformation (result.GetOutputStream(), signal_args, num_signals_set, signals); 1592 1593 if (num_signals_set > 0) 1594 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1595 else 1596 result.SetStatus (eReturnStatusFailed); 1597 1598 return result.Succeeded(); 1599 } 1600 1601 protected: 1602 1603 CommandOptions m_options; 1604 }; 1605 1606 OptionDefinition 1607 CommandObjectProcessHandle::CommandOptions::g_option_table[] = 1608 { 1609 { 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." }, 1610 { 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." }, 1611 { LLDB_OPT_SET_1, false, "pass", 'p', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." }, 1612 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1613 }; 1614 1615 //------------------------------------------------------------------------- 1616 // CommandObjectMultiwordProcess 1617 //------------------------------------------------------------------------- 1618 1619 CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) : 1620 CommandObjectMultiword (interpreter, 1621 "process", 1622 "A set of commands for operating on a process.", 1623 "process <subcommand> [<subcommand-options>]") 1624 { 1625 LoadSubCommand ("attach", CommandObjectSP (new CommandObjectProcessAttach (interpreter))); 1626 LoadSubCommand ("launch", CommandObjectSP (new CommandObjectProcessLaunch (interpreter))); 1627 LoadSubCommand ("continue", CommandObjectSP (new CommandObjectProcessContinue (interpreter))); 1628 LoadSubCommand ("connect", CommandObjectSP (new CommandObjectProcessConnect (interpreter))); 1629 LoadSubCommand ("detach", CommandObjectSP (new CommandObjectProcessDetach (interpreter))); 1630 LoadSubCommand ("load", CommandObjectSP (new CommandObjectProcessLoad (interpreter))); 1631 LoadSubCommand ("unload", CommandObjectSP (new CommandObjectProcessUnload (interpreter))); 1632 LoadSubCommand ("signal", CommandObjectSP (new CommandObjectProcessSignal (interpreter))); 1633 LoadSubCommand ("handle", CommandObjectSP (new CommandObjectProcessHandle (interpreter))); 1634 LoadSubCommand ("status", CommandObjectSP (new CommandObjectProcessStatus (interpreter))); 1635 LoadSubCommand ("interrupt", CommandObjectSP (new CommandObjectProcessInterrupt (interpreter))); 1636 LoadSubCommand ("kill", CommandObjectSP (new CommandObjectProcessKill (interpreter))); 1637 } 1638 1639 CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess () 1640 { 1641 } 1642 1643