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/Interpreter/CommandInterpreter.h" 20 #include "lldb/Interpreter/CommandReturnObject.h" 21 #include "./CommandObjectThread.h" 22 #include "lldb/Host/Host.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 class CommandOptions : public Options 39 { 40 public: 41 42 CommandOptions () : 43 Options() 44 { 45 // Keep default values of all options in one place: ResetOptionValues () 46 ResetOptionValues (); 47 } 48 49 ~CommandOptions () 50 { 51 } 52 53 Error 54 SetOptionValue (int option_idx, const char *option_arg) 55 { 56 Error error; 57 char short_option = (char) m_getopt_table[option_idx].val; 58 59 switch (short_option) 60 { 61 case 's': stop_at_entry = true; break; 62 case 'e': stderr_path.assign (option_arg); break; 63 case 'i': stdin_path.assign (option_arg); break; 64 case 'o': stdout_path.assign (option_arg); break; 65 case 'p': plugin_name.assign (option_arg); break; 66 case 'n': no_stdio = true; break; 67 case 'w': working_dir.assign (option_arg); break; 68 case 't': 69 if (option_arg && option_arg[0]) 70 tty_name.assign (option_arg); 71 in_new_tty = true; 72 break; 73 default: 74 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 75 break; 76 77 } 78 return error; 79 } 80 81 void 82 ResetOptionValues () 83 { 84 Options::ResetOptionValues(); 85 stop_at_entry = false; 86 in_new_tty = false; 87 tty_name.clear(); 88 stdin_path.clear(); 89 stdout_path.clear(); 90 stderr_path.clear(); 91 plugin_name.clear(); 92 working_dir.clear(); 93 no_stdio = false; 94 } 95 96 const lldb::OptionDefinition* 97 GetDefinitions () 98 { 99 return g_option_table; 100 } 101 102 // Options table: Required for subclasses of Options. 103 104 static lldb::OptionDefinition g_option_table[]; 105 106 // Instance variables to hold the values for command options. 107 108 bool stop_at_entry; 109 bool in_new_tty; 110 bool no_stdio; 111 std::string tty_name; 112 std::string stderr_path; 113 std::string stdin_path; 114 std::string stdout_path; 115 std::string plugin_name; 116 std::string working_dir; 117 118 }; 119 120 CommandObjectProcessLaunch (CommandInterpreter &interpreter) : 121 CommandObject (interpreter, 122 "process launch", 123 "Launch the executable in the debugger.", 124 NULL) 125 { 126 CommandArgumentEntry arg; 127 CommandArgumentData run_args_arg; 128 129 // Define the first (and only) variant of this arg. 130 run_args_arg.arg_type = eArgTypeRunArgs; 131 run_args_arg.arg_repetition = eArgRepeatOptional; 132 133 // There is only one variant this argument could be; put it into the argument entry. 134 arg.push_back (run_args_arg); 135 136 // Push the data for the first argument into the m_arguments vector. 137 m_arguments.push_back (arg); 138 } 139 140 141 ~CommandObjectProcessLaunch () 142 { 143 } 144 145 Options * 146 GetOptions () 147 { 148 return &m_options; 149 } 150 151 bool 152 Execute (Args& launch_args, CommandReturnObject &result) 153 { 154 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 155 156 if (target == NULL) 157 { 158 result.AppendError ("invalid target, set executable file using 'file' command"); 159 result.SetStatus (eReturnStatusFailed); 160 return false; 161 } 162 163 // If our listener is NULL, users aren't allows to launch 164 char filename[PATH_MAX]; 165 const Module *exe_module = target->GetExecutableModule().get(); 166 exe_module->GetFileSpec().GetPath(filename, sizeof(filename)); 167 168 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 169 if (process && process->IsAlive()) 170 { 171 char message[1024]; 172 if (process->GetState() == eStateAttaching) 173 ::strncpy (message, "There is a pending attach, abort it and launch a new process?", sizeof(message)); 174 else 175 ::strncpy (message, "There is a running process, kill it and restart?", sizeof(message)); 176 177 if (!m_interpreter.Confirm (message, true)) 178 { 179 result.SetStatus (eReturnStatusFailed); 180 return false; 181 } 182 else 183 { 184 Error error (process->Destroy()); 185 if (error.Success()) 186 { 187 result.SetStatus (eReturnStatusSuccessFinishResult); 188 } 189 else 190 { 191 result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); 192 result.SetStatus (eReturnStatusFailed); 193 } 194 } 195 } 196 197 const char *plugin_name; 198 if (!m_options.plugin_name.empty()) 199 plugin_name = m_options.plugin_name.c_str(); 200 else 201 plugin_name = NULL; 202 203 process = target->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name).get(); 204 205 if (process == NULL) 206 { 207 result.AppendErrorWithFormat ("Failed to find a process plugin for executable.\n"); 208 result.SetStatus (eReturnStatusFailed); 209 return false; 210 } 211 212 // If no launch args were given on the command line, then use any that 213 // might have been set using the "run-args" set variable. 214 if (launch_args.GetArgumentCount() == 0) 215 { 216 if (process->GetRunArguments().GetArgumentCount() > 0) 217 launch_args = process->GetRunArguments(); 218 } 219 220 if (m_options.in_new_tty) 221 { 222 char exec_file_path[PATH_MAX]; 223 if (exe_module->GetFileSpec().GetPath(exec_file_path, sizeof(exec_file_path))) 224 { 225 launch_args.InsertArgumentAtIndex(0, exec_file_path); 226 } 227 else 228 { 229 result.AppendError("invalid executable"); 230 result.SetStatus (eReturnStatusFailed); 231 return false; 232 } 233 } 234 235 Args environment; 236 237 process->GetEnvironmentAsArgs (environment); 238 239 uint32_t launch_flags = eLaunchFlagNone; 240 241 if (process->GetDisableASLR()) 242 launch_flags |= eLaunchFlagDisableASLR; 243 244 if (m_options.no_stdio) 245 launch_flags |= eLaunchFlagDisableSTDIO; 246 else if (!m_options.in_new_tty 247 && m_options.stdin_path.empty() 248 && m_options.stdout_path.empty() 249 && m_options.stderr_path.empty()) 250 { 251 // Only use the settings value if the user hasn't specified any options that would override it. 252 if (process->GetDisableSTDIO()) 253 launch_flags |= eLaunchFlagDisableSTDIO; 254 } 255 256 const char **inferior_argv = launch_args.GetArgumentCount() ? launch_args.GetConstArgumentVector() : NULL; 257 const char **inferior_envp = environment.GetArgumentCount() ? environment.GetConstArgumentVector() : NULL; 258 259 Error error; 260 const char *working_dir = NULL; 261 if (!m_options.working_dir.empty()) 262 working_dir = m_options.working_dir.c_str(); 263 264 if (m_options.in_new_tty) 265 { 266 267 lldb::pid_t pid = Host::LaunchInNewTerminal (m_options.tty_name.c_str(), 268 inferior_argv, 269 inferior_envp, 270 working_dir, 271 &exe_module->GetArchitecture(), 272 true, 273 process->GetDisableASLR()); 274 275 if (pid != LLDB_INVALID_PROCESS_ID) 276 error = process->Attach (pid); 277 } 278 else 279 { 280 const char * stdin_path = NULL; 281 const char * stdout_path = NULL; 282 const char * stderr_path = NULL; 283 284 // Were any standard input/output/error paths given on the command line? 285 if (m_options.stdin_path.empty() && 286 m_options.stdout_path.empty() && 287 m_options.stderr_path.empty()) 288 { 289 // No standard file handles were given on the command line, check 290 // with the process object in case they were give using "set settings" 291 stdin_path = process->GetStandardInputPath(); 292 stdout_path = process->GetStandardOutputPath(); 293 stderr_path = process->GetStandardErrorPath(); 294 } 295 else 296 { 297 stdin_path = m_options.stdin_path.empty() ? NULL : m_options.stdin_path.c_str(); 298 stdout_path = m_options.stdout_path.empty() ? NULL : m_options.stdout_path.c_str(); 299 stderr_path = m_options.stderr_path.empty() ? NULL : m_options.stderr_path.c_str(); 300 } 301 302 error = process->Launch (inferior_argv, 303 inferior_envp, 304 launch_flags, 305 stdin_path, 306 stdout_path, 307 stderr_path, 308 working_dir); 309 } 310 311 if (error.Success()) 312 { 313 const char *archname = exe_module->GetArchitecture().AsCString(); 314 315 result.AppendMessageWithFormat ("Process %i launched: '%s' (%s)\n", process->GetID(), filename, archname); 316 result.SetDidChangeProcessState (true); 317 if (m_options.stop_at_entry == false) 318 { 319 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 320 StateType state = process->WaitForProcessToStop (NULL); 321 322 if (state == eStateStopped) 323 { 324 error = process->Resume(); 325 if (error.Success()) 326 { 327 bool synchronous_execution = m_interpreter.GetSynchronous (); 328 if (synchronous_execution) 329 { 330 state = process->WaitForProcessToStop (NULL); 331 result.SetDidChangeProcessState (true); 332 result.SetStatus (eReturnStatusSuccessFinishResult); 333 } 334 else 335 { 336 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 337 } 338 } 339 } 340 } 341 } 342 343 return result.Succeeded(); 344 } 345 346 virtual const char *GetRepeatCommand (Args ¤t_command_args, uint32_t index) 347 { 348 // No repeat for "process launch"... 349 return ""; 350 } 351 352 protected: 353 354 CommandOptions m_options; 355 }; 356 357 358 #define SET1 LLDB_OPT_SET_1 359 #define SET2 LLDB_OPT_SET_2 360 #define SET3 LLDB_OPT_SET_3 361 362 lldb::OptionDefinition 363 CommandObjectProcessLaunch::CommandOptions::g_option_table[] = 364 { 365 { 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."}, 366 { SET1 , false, "stdin", 'i', required_argument, NULL, 0, eArgTypePath, "Redirect stdin for the process to <path>."}, 367 { SET1 , false, "stdout", 'o', required_argument, NULL, 0, eArgTypePath, "Redirect stdout for the process to <path>."}, 368 { SET1 , false, "stderr", 'e', required_argument, NULL, 0, eArgTypePath, "Redirect stderr for the process to <path>."}, 369 { SET1 | SET2 | SET3, false, "plugin", 'p', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 370 { 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."}, 371 { SET3, false, "no-stdio", 'n', no_argument, NULL, 0, eArgTypeNone, "Do not set up for terminal I/O to go to running process."}, 372 { SET1 | SET2 | SET3, false, "working-dir", 'w', required_argument, NULL, 0, eArgTypePath, "Set the current working directory to <path> when running the inferior."}, 373 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 374 }; 375 376 #undef SET1 377 #undef SET2 378 #undef SET3 379 380 //------------------------------------------------------------------------- 381 // CommandObjectProcessAttach 382 //------------------------------------------------------------------------- 383 #pragma mark CommandObjectProcessAttach 384 class CommandObjectProcessAttach : public CommandObject 385 { 386 public: 387 388 class CommandOptions : public Options 389 { 390 public: 391 392 CommandOptions () : 393 Options() 394 { 395 // Keep default values of all options in one place: ResetOptionValues () 396 ResetOptionValues (); 397 } 398 399 ~CommandOptions () 400 { 401 } 402 403 Error 404 SetOptionValue (int option_idx, const char *option_arg) 405 { 406 Error error; 407 char short_option = (char) m_getopt_table[option_idx].val; 408 bool success = false; 409 switch (short_option) 410 { 411 case 'p': 412 pid = Args::StringToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success); 413 if (!success || pid == LLDB_INVALID_PROCESS_ID) 414 { 415 error.SetErrorStringWithFormat("Invalid process ID '%s'.\n", option_arg); 416 } 417 break; 418 419 case 'P': 420 plugin_name = option_arg; 421 break; 422 423 case 'n': 424 name.assign(option_arg); 425 break; 426 427 case 'w': 428 waitfor = true; 429 break; 430 431 default: 432 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 433 break; 434 } 435 return error; 436 } 437 438 void 439 ResetOptionValues () 440 { 441 Options::ResetOptionValues(); 442 pid = LLDB_INVALID_PROCESS_ID; 443 name.clear(); 444 waitfor = false; 445 } 446 447 const lldb::OptionDefinition* 448 GetDefinitions () 449 { 450 return g_option_table; 451 } 452 453 virtual bool 454 HandleOptionArgumentCompletion (CommandInterpreter &interpeter, 455 Args &input, 456 int cursor_index, 457 int char_pos, 458 OptionElementVector &opt_element_vector, 459 int opt_element_index, 460 int match_start_point, 461 int max_return_elements, 462 bool &word_complete, 463 StringList &matches) 464 { 465 int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos; 466 int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index; 467 468 // We are only completing the name option for now... 469 470 const lldb::OptionDefinition *opt_defs = GetDefinitions(); 471 if (opt_defs[opt_defs_index].short_option == 'n') 472 { 473 // Are we in the name? 474 475 // Look to see if there is a -P argument provided, and if so use that plugin, otherwise 476 // use the default plugin. 477 Process *process = interpeter.GetDebugger().GetExecutionContext().process; 478 bool need_to_delete_process = false; 479 480 const char *partial_name = NULL; 481 partial_name = input.GetArgumentAtIndex(opt_arg_pos); 482 483 if (process && process->IsAlive()) 484 return true; 485 486 Target *target = interpeter.GetDebugger().GetSelectedTarget().get(); 487 if (target == NULL) 488 { 489 // No target has been set yet, for now do host completion. Otherwise I don't know how we would 490 // figure out what the right target to use is... 491 std::vector<lldb::pid_t> pids; 492 Host::ListProcessesMatchingName (partial_name, matches, pids); 493 return true; 494 } 495 if (!process) 496 { 497 process = target->CreateProcess (interpeter.GetDebugger().GetListener(), partial_name).get(); 498 need_to_delete_process = true; 499 } 500 501 if (process) 502 { 503 matches.Clear(); 504 std::vector<lldb::pid_t> pids; 505 process->ListProcessesMatchingName (NULL, matches, pids); 506 if (need_to_delete_process) 507 target->DeleteCurrentProcess(); 508 return true; 509 } 510 } 511 512 return false; 513 } 514 515 // Options table: Required for subclasses of Options. 516 517 static lldb::OptionDefinition g_option_table[]; 518 519 // Instance variables to hold the values for command options. 520 521 lldb::pid_t pid; 522 std::string plugin_name; 523 std::string name; 524 bool waitfor; 525 }; 526 527 CommandObjectProcessAttach (CommandInterpreter &interpreter) : 528 CommandObject (interpreter, 529 "process attach", 530 "Attach to a process.", 531 "process attach <cmd-options>") 532 { 533 } 534 535 ~CommandObjectProcessAttach () 536 { 537 } 538 539 bool 540 Execute (Args& command, 541 CommandReturnObject &result) 542 { 543 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 544 bool synchronous_execution = m_interpreter.GetSynchronous (); 545 546 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 547 if (process) 548 { 549 if (process->IsAlive()) 550 { 551 result.AppendErrorWithFormat ("Process %u is currently being debugged, kill the process before attaching.\n", 552 process->GetID()); 553 result.SetStatus (eReturnStatusFailed); 554 return false; 555 } 556 } 557 558 if (target == NULL) 559 { 560 // If there isn't a current target create one. 561 TargetSP new_target_sp; 562 FileSpec emptyFileSpec; 563 ArchSpec emptyArchSpec; 564 Error error; 565 566 error = m_interpreter.GetDebugger().GetTargetList().CreateTarget (m_interpreter.GetDebugger(), 567 emptyFileSpec, 568 emptyArchSpec, 569 NULL, 570 false, 571 new_target_sp); 572 target = new_target_sp.get(); 573 if (target == NULL || error.Fail()) 574 { 575 result.AppendError(error.AsCString("Error creating empty target")); 576 return false; 577 } 578 m_interpreter.GetDebugger().GetTargetList().SetSelectedTarget(target); 579 } 580 581 // Record the old executable module, we want to issue a warning if the process of attaching changed the 582 // current executable (like somebody said "file foo" then attached to a PID whose executable was bar.) 583 584 ModuleSP old_exec_module_sp = target->GetExecutableModule(); 585 ArchSpec old_arch_spec = target->GetArchitecture(); 586 587 if (command.GetArgumentCount()) 588 { 589 result.AppendErrorWithFormat("Invalid arguments for '%s'.\nUsage: \n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); 590 result.SetStatus (eReturnStatusFailed); 591 } 592 else 593 { 594 const char *plugin_name = NULL; 595 596 if (!m_options.plugin_name.empty()) 597 plugin_name = m_options.plugin_name.c_str(); 598 599 process = target->CreateProcess (m_interpreter.GetDebugger().GetListener(), plugin_name).get(); 600 601 if (process) 602 { 603 Error error; 604 int attach_pid = m_options.pid; 605 606 const char *wait_name = NULL; 607 608 if (m_options.name.empty()) 609 { 610 if (old_exec_module_sp) 611 { 612 wait_name = old_exec_module_sp->GetFileSpec().GetFilename().AsCString(); 613 } 614 } 615 else 616 { 617 wait_name = m_options.name.c_str(); 618 } 619 620 // If we are waiting for a process with this name to show up, do that first. 621 if (m_options.waitfor) 622 { 623 624 if (wait_name == NULL) 625 { 626 result.AppendError("Invalid arguments: must have a file loaded or supply a process name with the waitfor option.\n"); 627 result.SetStatus (eReturnStatusFailed); 628 return false; 629 } 630 631 result.AppendMessageWithFormat("Waiting to attach to a process named \"%s\".\n", wait_name); 632 error = process->Attach (wait_name, m_options.waitfor); 633 if (error.Success()) 634 { 635 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 636 } 637 else 638 { 639 result.AppendErrorWithFormat ("Waiting for a process to launch named '%s': %s\n", 640 wait_name, 641 error.AsCString()); 642 result.SetStatus (eReturnStatusFailed); 643 return false; 644 } 645 // If we're synchronous, wait for the stopped event and report that. 646 // Otherwise just return. 647 // FIXME: in the async case it will now be possible to get to the command 648 // interpreter with a state eStateAttaching. Make sure we handle that correctly. 649 if (synchronous_execution) 650 { 651 StateType state = process->WaitForProcessToStop (NULL); 652 653 result.SetDidChangeProcessState (true); 654 result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); 655 result.SetStatus (eReturnStatusSuccessFinishNoResult); 656 } 657 else 658 { 659 result.SetDidChangeProcessState (true); 660 result.SetStatus (eReturnStatusSuccessFinishNoResult); 661 } 662 } 663 else 664 { 665 // If the process was specified by name look it up, so we can warn if there are multiple 666 // processes with this pid. 667 668 if (attach_pid == LLDB_INVALID_PROCESS_ID && wait_name != NULL) 669 { 670 std::vector<lldb::pid_t> pids; 671 StringList matches; 672 673 process->ListProcessesMatchingName(wait_name, matches, pids); 674 if (matches.GetSize() > 1) 675 { 676 result.AppendErrorWithFormat("More than one process named %s\n", wait_name); 677 result.SetStatus (eReturnStatusFailed); 678 return false; 679 } 680 else if (matches.GetSize() == 0) 681 { 682 result.AppendErrorWithFormat("Could not find a process named %s\n", wait_name); 683 result.SetStatus (eReturnStatusFailed); 684 return false; 685 } 686 else 687 { 688 attach_pid = pids[0]; 689 } 690 691 } 692 693 if (attach_pid != LLDB_INVALID_PROCESS_ID) 694 { 695 error = process->Attach (attach_pid); 696 if (error.Success()) 697 { 698 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 699 } 700 else 701 { 702 result.AppendErrorWithFormat ("Attaching to process %i failed: %s.\n", 703 attach_pid, 704 error.AsCString()); 705 result.SetStatus (eReturnStatusFailed); 706 } 707 // See comment for synchronous_execution above. 708 if (synchronous_execution) 709 { 710 StateType state = process->WaitForProcessToStop (NULL); 711 712 result.SetDidChangeProcessState (true); 713 result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); 714 result.SetStatus (eReturnStatusSuccessFinishNoResult); 715 } 716 else 717 { 718 result.SetDidChangeProcessState (true); 719 result.SetStatus (eReturnStatusSuccessFinishNoResult); 720 } 721 } 722 else 723 { 724 result.AppendErrorWithFormat ("No PID specified for attach\n", 725 attach_pid, 726 error.AsCString()); 727 result.SetStatus (eReturnStatusFailed); 728 729 } 730 } 731 } 732 } 733 734 if (result.Succeeded()) 735 { 736 // Okay, we're done. Last step is to warn if the executable module has changed: 737 char new_path[PATH_MAX]; 738 if (!old_exec_module_sp) 739 { 740 // We might not have a module if we attached to a raw pid... 741 ModuleSP new_module_sp (target->GetExecutableModule()); 742 if (new_module_sp) 743 { 744 new_module_sp->GetFileSpec().GetPath(new_path, PATH_MAX); 745 result.AppendMessageWithFormat("Executable module set to \"%s\".\n", new_path); 746 } 747 } 748 else if (old_exec_module_sp->GetFileSpec() != target->GetExecutableModule()->GetFileSpec()) 749 { 750 char old_path[PATH_MAX]; 751 752 old_exec_module_sp->GetFileSpec().GetPath(old_path, PATH_MAX); 753 target->GetExecutableModule()->GetFileSpec().GetPath (new_path, PATH_MAX); 754 755 result.AppendWarningWithFormat("Executable module changed from \"%s\" to \"%s\".\n", 756 old_path, new_path); 757 } 758 759 if (!old_arch_spec.IsValid()) 760 { 761 result.AppendMessageWithFormat ("Architecture set to: %s.\n", target->GetArchitecture().AsCString()); 762 } 763 else if (old_arch_spec != target->GetArchitecture()) 764 { 765 result.AppendWarningWithFormat("Architecture changed from %s to %s.\n", 766 old_arch_spec.AsCString(), target->GetArchitecture().AsCString()); 767 } 768 } 769 return result.Succeeded(); 770 } 771 772 Options * 773 GetOptions () 774 { 775 return &m_options; 776 } 777 778 protected: 779 780 CommandOptions m_options; 781 }; 782 783 784 lldb::OptionDefinition 785 CommandObjectProcessAttach::CommandOptions::g_option_table[] = 786 { 787 { LLDB_OPT_SET_ALL, false, "plugin", 'P', required_argument, NULL, 0, eArgTypePlugin, "Name of the process plugin you want to use."}, 788 { LLDB_OPT_SET_1, false, "pid", 'p', required_argument, NULL, 0, eArgTypePid, "The process ID of an existing process to attach to."}, 789 { LLDB_OPT_SET_2, false, "name", 'n', required_argument, NULL, 0, eArgTypeProcessName, "The name of the process to attach to."}, 790 { LLDB_OPT_SET_2, false, "waitfor",'w', no_argument, NULL, 0, eArgTypeNone, "Wait for the the process with <process-name> to launch."}, 791 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 792 }; 793 794 //------------------------------------------------------------------------- 795 // CommandObjectProcessContinue 796 //------------------------------------------------------------------------- 797 #pragma mark CommandObjectProcessContinue 798 799 class CommandObjectProcessContinue : public CommandObject 800 { 801 public: 802 803 CommandObjectProcessContinue (CommandInterpreter &interpreter) : 804 CommandObject (interpreter, 805 "process continue", 806 "Continue execution of all threads in the current process.", 807 "process continue", 808 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 809 { 810 } 811 812 813 ~CommandObjectProcessContinue () 814 { 815 } 816 817 bool 818 Execute (Args& command, 819 CommandReturnObject &result) 820 { 821 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 822 bool synchronous_execution = m_interpreter.GetSynchronous (); 823 824 if (process == NULL) 825 { 826 result.AppendError ("no process to continue"); 827 result.SetStatus (eReturnStatusFailed); 828 return false; 829 } 830 831 StateType state = process->GetState(); 832 if (state == eStateStopped) 833 { 834 if (command.GetArgumentCount() != 0) 835 { 836 result.AppendErrorWithFormat ("The '%s' command does not take any arguments.\n", m_cmd_name.c_str()); 837 result.SetStatus (eReturnStatusFailed); 838 return false; 839 } 840 841 const uint32_t num_threads = process->GetThreadList().GetSize(); 842 843 // Set the actions that the threads should each take when resuming 844 for (uint32_t idx=0; idx<num_threads; ++idx) 845 { 846 process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning); 847 } 848 849 Error error(process->Resume()); 850 if (error.Success()) 851 { 852 result.AppendMessageWithFormat ("Process %i resuming\n", process->GetID()); 853 if (synchronous_execution) 854 { 855 state = process->WaitForProcessToStop (NULL); 856 857 result.SetDidChangeProcessState (true); 858 result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); 859 result.SetStatus (eReturnStatusSuccessFinishNoResult); 860 } 861 else 862 { 863 result.SetStatus (eReturnStatusSuccessContinuingNoResult); 864 } 865 } 866 else 867 { 868 result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); 869 result.SetStatus (eReturnStatusFailed); 870 } 871 } 872 else 873 { 874 result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n", 875 StateAsCString(state)); 876 result.SetStatus (eReturnStatusFailed); 877 } 878 return result.Succeeded(); 879 } 880 }; 881 882 //------------------------------------------------------------------------- 883 // CommandObjectProcessDetach 884 //------------------------------------------------------------------------- 885 #pragma mark CommandObjectProcessDetach 886 887 class CommandObjectProcessDetach : public CommandObject 888 { 889 public: 890 891 CommandObjectProcessDetach (CommandInterpreter &interpreter) : 892 CommandObject (interpreter, 893 "process detach", 894 "Detach from the current process being debugged.", 895 "process detach", 896 eFlagProcessMustBeLaunched) 897 { 898 } 899 900 ~CommandObjectProcessDetach () 901 { 902 } 903 904 bool 905 Execute (Args& command, 906 CommandReturnObject &result) 907 { 908 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 909 if (process == NULL) 910 { 911 result.AppendError ("must have a valid process in order to detach"); 912 result.SetStatus (eReturnStatusFailed); 913 return false; 914 } 915 916 result.AppendMessageWithFormat ("Detaching from process %i\n", process->GetID()); 917 Error error (process->Detach()); 918 if (error.Success()) 919 { 920 result.SetStatus (eReturnStatusSuccessFinishResult); 921 } 922 else 923 { 924 result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString()); 925 result.SetStatus (eReturnStatusFailed); 926 return false; 927 } 928 return result.Succeeded(); 929 } 930 }; 931 932 //------------------------------------------------------------------------- 933 // CommandObjectProcessLoad 934 //------------------------------------------------------------------------- 935 #pragma mark CommandObjectProcessLoad 936 937 class CommandObjectProcessLoad : public CommandObject 938 { 939 public: 940 941 CommandObjectProcessLoad (CommandInterpreter &interpreter) : 942 CommandObject (interpreter, 943 "process load", 944 "Load a shared library into the current process.", 945 "process load <filename> [<filename> ...]", 946 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 947 { 948 } 949 950 ~CommandObjectProcessLoad () 951 { 952 } 953 954 bool 955 Execute (Args& command, 956 CommandReturnObject &result) 957 { 958 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 959 if (process == NULL) 960 { 961 result.AppendError ("must have a valid process in order to load a shared library"); 962 result.SetStatus (eReturnStatusFailed); 963 return false; 964 } 965 966 const uint32_t argc = command.GetArgumentCount(); 967 968 for (uint32_t i=0; i<argc; ++i) 969 { 970 Error error; 971 const char *image_path = command.GetArgumentAtIndex(i); 972 FileSpec image_spec (image_path, false); 973 uint32_t image_token = process->LoadImage(image_spec, error); 974 if (image_token != LLDB_INVALID_IMAGE_TOKEN) 975 { 976 result.AppendMessageWithFormat ("Loading \"%s\"...ok\nImage %u loaded.\n", image_path, image_token); 977 result.SetStatus (eReturnStatusSuccessFinishResult); 978 } 979 else 980 { 981 result.AppendErrorWithFormat ("failed to load '%s': %s", image_path, error.AsCString()); 982 result.SetStatus (eReturnStatusFailed); 983 } 984 } 985 return result.Succeeded(); 986 } 987 }; 988 989 990 //------------------------------------------------------------------------- 991 // CommandObjectProcessUnload 992 //------------------------------------------------------------------------- 993 #pragma mark CommandObjectProcessUnload 994 995 class CommandObjectProcessUnload : public CommandObject 996 { 997 public: 998 999 CommandObjectProcessUnload (CommandInterpreter &interpreter) : 1000 CommandObject (interpreter, 1001 "process unload", 1002 "Unload a shared library from the current process using the index returned by a previous call to \"process load\".", 1003 "process unload <index>", 1004 eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) 1005 { 1006 } 1007 1008 ~CommandObjectProcessUnload () 1009 { 1010 } 1011 1012 bool 1013 Execute (Args& command, 1014 CommandReturnObject &result) 1015 { 1016 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 1017 if (process == NULL) 1018 { 1019 result.AppendError ("must have a valid process in order to load a shared library"); 1020 result.SetStatus (eReturnStatusFailed); 1021 return false; 1022 } 1023 1024 const uint32_t argc = command.GetArgumentCount(); 1025 1026 for (uint32_t i=0; i<argc; ++i) 1027 { 1028 const char *image_token_cstr = command.GetArgumentAtIndex(i); 1029 uint32_t image_token = Args::StringToUInt32(image_token_cstr, LLDB_INVALID_IMAGE_TOKEN, 0); 1030 if (image_token == LLDB_INVALID_IMAGE_TOKEN) 1031 { 1032 result.AppendErrorWithFormat ("invalid image index argument '%s'", image_token_cstr); 1033 result.SetStatus (eReturnStatusFailed); 1034 break; 1035 } 1036 else 1037 { 1038 Error error (process->UnloadImage(image_token)); 1039 if (error.Success()) 1040 { 1041 result.AppendMessageWithFormat ("Unloading shared library with index %u...ok\n", image_token); 1042 result.SetStatus (eReturnStatusSuccessFinishResult); 1043 } 1044 else 1045 { 1046 result.AppendErrorWithFormat ("failed to unload image: %s", error.AsCString()); 1047 result.SetStatus (eReturnStatusFailed); 1048 break; 1049 } 1050 } 1051 } 1052 return result.Succeeded(); 1053 } 1054 }; 1055 1056 //------------------------------------------------------------------------- 1057 // CommandObjectProcessSignal 1058 //------------------------------------------------------------------------- 1059 #pragma mark CommandObjectProcessSignal 1060 1061 class CommandObjectProcessSignal : public CommandObject 1062 { 1063 public: 1064 1065 CommandObjectProcessSignal (CommandInterpreter &interpreter) : 1066 CommandObject (interpreter, 1067 "process signal", 1068 "Send a UNIX signal to the current process being debugged.", 1069 NULL) 1070 { 1071 CommandArgumentEntry arg; 1072 CommandArgumentData signal_arg; 1073 1074 // Define the first (and only) variant of this arg. 1075 signal_arg.arg_type = eArgTypeUnixSignal; 1076 signal_arg.arg_repetition = eArgRepeatPlain; 1077 1078 // There is only one variant this argument could be; put it into the argument entry. 1079 arg.push_back (signal_arg); 1080 1081 // Push the data for the first argument into the m_arguments vector. 1082 m_arguments.push_back (arg); 1083 } 1084 1085 ~CommandObjectProcessSignal () 1086 { 1087 } 1088 1089 bool 1090 Execute (Args& command, 1091 CommandReturnObject &result) 1092 { 1093 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 1094 if (process == NULL) 1095 { 1096 result.AppendError ("no process to signal"); 1097 result.SetStatus (eReturnStatusFailed); 1098 return false; 1099 } 1100 1101 if (command.GetArgumentCount() == 1) 1102 { 1103 int signo = LLDB_INVALID_SIGNAL_NUMBER; 1104 1105 const char *signal_name = command.GetArgumentAtIndex(0); 1106 if (::isxdigit (signal_name[0])) 1107 signo = Args::StringToSInt32(signal_name, LLDB_INVALID_SIGNAL_NUMBER, 0); 1108 else 1109 signo = process->GetUnixSignals().GetSignalNumberFromName (signal_name); 1110 1111 if (signo == LLDB_INVALID_SIGNAL_NUMBER) 1112 { 1113 result.AppendErrorWithFormat ("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0)); 1114 result.SetStatus (eReturnStatusFailed); 1115 } 1116 else 1117 { 1118 Error error (process->Signal (signo)); 1119 if (error.Success()) 1120 { 1121 result.SetStatus (eReturnStatusSuccessFinishResult); 1122 } 1123 else 1124 { 1125 result.AppendErrorWithFormat ("Failed to send signal %i: %s\n", signo, error.AsCString()); 1126 result.SetStatus (eReturnStatusFailed); 1127 } 1128 } 1129 } 1130 else 1131 { 1132 result.AppendErrorWithFormat("'%s' takes exactly one signal number argument:\nUsage: \n", m_cmd_name.c_str(), 1133 m_cmd_syntax.c_str()); 1134 result.SetStatus (eReturnStatusFailed); 1135 } 1136 return result.Succeeded(); 1137 } 1138 }; 1139 1140 1141 //------------------------------------------------------------------------- 1142 // CommandObjectProcessInterrupt 1143 //------------------------------------------------------------------------- 1144 #pragma mark CommandObjectProcessInterrupt 1145 1146 class CommandObjectProcessInterrupt : public CommandObject 1147 { 1148 public: 1149 1150 1151 CommandObjectProcessInterrupt (CommandInterpreter &interpreter) : 1152 CommandObject (interpreter, 1153 "process interrupt", 1154 "Interrupt the current process being debugged.", 1155 "process interrupt", 1156 eFlagProcessMustBeLaunched) 1157 { 1158 } 1159 1160 ~CommandObjectProcessInterrupt () 1161 { 1162 } 1163 1164 bool 1165 Execute (Args& command, 1166 CommandReturnObject &result) 1167 { 1168 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 1169 if (process == NULL) 1170 { 1171 result.AppendError ("no process to halt"); 1172 result.SetStatus (eReturnStatusFailed); 1173 return false; 1174 } 1175 1176 if (command.GetArgumentCount() == 0) 1177 { 1178 Error error(process->Halt ()); 1179 if (error.Success()) 1180 { 1181 result.SetStatus (eReturnStatusSuccessFinishResult); 1182 1183 // Maybe we should add a "SuspendThreadPlans so we 1184 // can halt, and keep in place all the current thread plans. 1185 process->GetThreadList().DiscardThreadPlans(); 1186 } 1187 else 1188 { 1189 result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString()); 1190 result.SetStatus (eReturnStatusFailed); 1191 } 1192 } 1193 else 1194 { 1195 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: \n", 1196 m_cmd_name.c_str(), 1197 m_cmd_syntax.c_str()); 1198 result.SetStatus (eReturnStatusFailed); 1199 } 1200 return result.Succeeded(); 1201 } 1202 }; 1203 1204 //------------------------------------------------------------------------- 1205 // CommandObjectProcessKill 1206 //------------------------------------------------------------------------- 1207 #pragma mark CommandObjectProcessKill 1208 1209 class CommandObjectProcessKill : public CommandObject 1210 { 1211 public: 1212 1213 CommandObjectProcessKill (CommandInterpreter &interpreter) : 1214 CommandObject (interpreter, 1215 "process kill", 1216 "Terminate the current process being debugged.", 1217 "process kill", 1218 eFlagProcessMustBeLaunched) 1219 { 1220 } 1221 1222 ~CommandObjectProcessKill () 1223 { 1224 } 1225 1226 bool 1227 Execute (Args& command, 1228 CommandReturnObject &result) 1229 { 1230 Process *process = m_interpreter.GetDebugger().GetExecutionContext().process; 1231 if (process == NULL) 1232 { 1233 result.AppendError ("no process to kill"); 1234 result.SetStatus (eReturnStatusFailed); 1235 return false; 1236 } 1237 1238 if (command.GetArgumentCount() == 0) 1239 { 1240 Error error (process->Destroy()); 1241 if (error.Success()) 1242 { 1243 result.SetStatus (eReturnStatusSuccessFinishResult); 1244 } 1245 else 1246 { 1247 result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); 1248 result.SetStatus (eReturnStatusFailed); 1249 } 1250 } 1251 else 1252 { 1253 result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: \n", 1254 m_cmd_name.c_str(), 1255 m_cmd_syntax.c_str()); 1256 result.SetStatus (eReturnStatusFailed); 1257 } 1258 return result.Succeeded(); 1259 } 1260 }; 1261 1262 //------------------------------------------------------------------------- 1263 // CommandObjectProcessStatus 1264 //------------------------------------------------------------------------- 1265 #pragma mark CommandObjectProcessStatus 1266 1267 class CommandObjectProcessStatus : public CommandObject 1268 { 1269 public: 1270 CommandObjectProcessStatus (CommandInterpreter &interpreter) : 1271 CommandObject (interpreter, 1272 "process status", 1273 "Show the current status and location of executing process.", 1274 "process status", 1275 0) 1276 { 1277 } 1278 1279 ~CommandObjectProcessStatus() 1280 { 1281 } 1282 1283 1284 bool 1285 Execute 1286 ( 1287 Args& command, 1288 CommandReturnObject &result 1289 ) 1290 { 1291 StreamString &output_stream = result.GetOutputStream(); 1292 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1293 ExecutionContext exe_ctx(m_interpreter.GetDebugger().GetExecutionContext()); 1294 if (exe_ctx.process) 1295 { 1296 const StateType state = exe_ctx.process->GetState(); 1297 if (StateIsStoppedState(state)) 1298 { 1299 if (state == eStateExited) 1300 { 1301 int exit_status = exe_ctx.process->GetExitStatus(); 1302 const char *exit_description = exe_ctx.process->GetExitDescription(); 1303 output_stream.Printf ("Process %d exited with status = %i (0x%8.8x) %s\n", 1304 exe_ctx.process->GetID(), 1305 exit_status, 1306 exit_status, 1307 exit_description ? exit_description : ""); 1308 } 1309 else 1310 { 1311 output_stream.Printf ("Process %d %s\n", exe_ctx.process->GetID(), StateAsCString (state)); 1312 if (exe_ctx.thread == NULL) 1313 exe_ctx.thread = exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get(); 1314 if (exe_ctx.thread != NULL) 1315 { 1316 DisplayThreadsInfo (m_interpreter, &exe_ctx, result, true, true); 1317 } 1318 else 1319 { 1320 result.AppendError ("No valid thread found in current process."); 1321 result.SetStatus (eReturnStatusFailed); 1322 } 1323 } 1324 } 1325 else 1326 { 1327 output_stream.Printf ("Process %d is running.\n", 1328 exe_ctx.process->GetID()); 1329 } 1330 } 1331 else 1332 { 1333 result.AppendError ("No current location or status available."); 1334 result.SetStatus (eReturnStatusFailed); 1335 } 1336 return result.Succeeded(); 1337 } 1338 }; 1339 1340 //------------------------------------------------------------------------- 1341 // CommandObjectProcessHandle 1342 //------------------------------------------------------------------------- 1343 #pragma mark CommandObjectProcessHandle 1344 1345 class CommandObjectProcessHandle : public CommandObject 1346 { 1347 public: 1348 1349 class CommandOptions : public Options 1350 { 1351 public: 1352 1353 CommandOptions () : 1354 Options () 1355 { 1356 ResetOptionValues (); 1357 } 1358 1359 ~CommandOptions () 1360 { 1361 } 1362 1363 Error 1364 SetOptionValue (int option_idx, const char *option_arg) 1365 { 1366 Error error; 1367 char short_option = (char) m_getopt_table[option_idx].val; 1368 1369 switch (short_option) 1370 { 1371 case 's': 1372 stop = option_arg; 1373 break; 1374 case 'n': 1375 notify = option_arg; 1376 break; 1377 case 'p': 1378 pass = option_arg; 1379 break; 1380 default: 1381 error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); 1382 break; 1383 } 1384 return error; 1385 } 1386 1387 void 1388 ResetOptionValues () 1389 { 1390 Options::ResetOptionValues(); 1391 stop.clear(); 1392 notify.clear(); 1393 pass.clear(); 1394 } 1395 1396 const lldb::OptionDefinition* 1397 GetDefinitions () 1398 { 1399 return g_option_table; 1400 } 1401 1402 // Options table: Required for subclasses of Options. 1403 1404 static lldb::OptionDefinition g_option_table[]; 1405 1406 // Instance variables to hold the values for command options. 1407 1408 std::string stop; 1409 std::string notify; 1410 std::string pass; 1411 }; 1412 1413 1414 CommandObjectProcessHandle (CommandInterpreter &interpreter) : 1415 CommandObject (interpreter, 1416 "process handle", 1417 "Show or update what the process and debugger should do with various signals received from the OS.", 1418 NULL) 1419 { 1420 SetHelpLong ("If no signals are specified, update them all. If no update option is specified, list the current values.\n"); 1421 CommandArgumentEntry arg; 1422 CommandArgumentData signal_arg; 1423 1424 signal_arg.arg_type = eArgTypeUnixSignal; 1425 signal_arg.arg_repetition = eArgRepeatStar; 1426 1427 arg.push_back (signal_arg); 1428 1429 m_arguments.push_back (arg); 1430 } 1431 1432 ~CommandObjectProcessHandle () 1433 { 1434 } 1435 1436 Options * 1437 GetOptions () 1438 { 1439 return &m_options; 1440 } 1441 1442 bool 1443 VerifyCommandOptionValue (const std::string &option, int &real_value) 1444 { 1445 bool okay = true; 1446 1447 bool success = false; 1448 bool tmp_value = Args::StringToBoolean (option.c_str(), false, &success); 1449 1450 if (success && tmp_value) 1451 real_value = 1; 1452 else if (success && !tmp_value) 1453 real_value = 0; 1454 else 1455 { 1456 // If the value isn't 'true' or 'false', it had better be 0 or 1. 1457 real_value = Args::StringToUInt32 (option.c_str(), 3); 1458 if (real_value != 0 && real_value != 1) 1459 okay = false; 1460 } 1461 1462 return okay; 1463 } 1464 1465 void 1466 PrintSignalHeader (Stream &str) 1467 { 1468 str.Printf ("NAME PASS STOP NOTIFY\n"); 1469 str.Printf ("========== ===== ===== ======\n"); 1470 } 1471 1472 void 1473 PrintSignal (Stream &str, int32_t signo, const char *sig_name, UnixSignals &signals) 1474 { 1475 bool stop; 1476 bool suppress; 1477 bool notify; 1478 1479 str.Printf ("%-10s ", sig_name); 1480 if (signals.GetSignalInfo (signo, suppress, stop, notify)) 1481 { 1482 bool pass = !suppress; 1483 str.Printf ("%s %s %s", 1484 (pass ? "true " : "false"), 1485 (stop ? "true " : "false"), 1486 (notify ? "true " : "false")); 1487 } 1488 str.Printf ("\n"); 1489 } 1490 1491 void 1492 PrintSignalInformation (Stream &str, Args &signal_args, int num_valid_signals, UnixSignals &signals) 1493 { 1494 PrintSignalHeader (str); 1495 1496 if (num_valid_signals > 0) 1497 { 1498 size_t num_args = signal_args.GetArgumentCount(); 1499 for (size_t i = 0; i < num_args; ++i) 1500 { 1501 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1502 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1503 PrintSignal (str, signo, signal_args.GetArgumentAtIndex (i), signals); 1504 } 1505 } 1506 else // Print info for ALL signals 1507 { 1508 int32_t signo = signals.GetFirstSignalNumber(); 1509 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1510 { 1511 PrintSignal (str, signo, signals.GetSignalAsCString (signo), signals); 1512 signo = signals.GetNextSignalNumber (signo); 1513 } 1514 } 1515 } 1516 1517 bool 1518 Execute (Args &signal_args, CommandReturnObject &result) 1519 { 1520 TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget(); 1521 1522 if (!target_sp) 1523 { 1524 result.AppendError ("No current target;" 1525 " cannot handle signals until you have a valid target and process.\n"); 1526 result.SetStatus (eReturnStatusFailed); 1527 return false; 1528 } 1529 1530 ProcessSP process_sp = target_sp->GetProcessSP(); 1531 1532 if (!process_sp) 1533 { 1534 result.AppendError ("No current process; cannot handle signals until you have a valid process.\n"); 1535 result.SetStatus (eReturnStatusFailed); 1536 return false; 1537 } 1538 1539 int stop_action = -1; // -1 means leave the current setting alone 1540 int pass_action = -1; // -1 means leave the current setting alone 1541 int notify_action = -1; // -1 means leave the current setting alone 1542 1543 if (! m_options.stop.empty() 1544 && ! VerifyCommandOptionValue (m_options.stop, stop_action)) 1545 { 1546 result.AppendError ("Invalid argument for command option --stop; must be true or false.\n"); 1547 result.SetStatus (eReturnStatusFailed); 1548 return false; 1549 } 1550 1551 if (! m_options.notify.empty() 1552 && ! VerifyCommandOptionValue (m_options.notify, notify_action)) 1553 { 1554 result.AppendError ("Invalid argument for command option --notify; must be true or false.\n"); 1555 result.SetStatus (eReturnStatusFailed); 1556 return false; 1557 } 1558 1559 if (! m_options.pass.empty() 1560 && ! VerifyCommandOptionValue (m_options.pass, pass_action)) 1561 { 1562 result.AppendError ("Invalid argument for command option --pass; must be true or false.\n"); 1563 result.SetStatus (eReturnStatusFailed); 1564 return false; 1565 } 1566 1567 size_t num_args = signal_args.GetArgumentCount(); 1568 UnixSignals &signals = process_sp->GetUnixSignals(); 1569 int num_signals_set = 0; 1570 1571 if (num_args > 0) 1572 { 1573 for (size_t i = 0; i < num_args; ++i) 1574 { 1575 int32_t signo = signals.GetSignalNumberFromName (signal_args.GetArgumentAtIndex (i)); 1576 if (signo != LLDB_INVALID_SIGNAL_NUMBER) 1577 { 1578 // Casting the actions as bools here should be okay, because VerifyCommandOptionValue guarantees 1579 // the value is either 0 or 1. 1580 if (stop_action != -1) 1581 signals.SetShouldStop (signo, (bool) stop_action); 1582 if (pass_action != -1) 1583 { 1584 bool suppress = ! ((bool) pass_action); 1585 signals.SetShouldSuppress (signo, suppress); 1586 } 1587 if (notify_action != -1) 1588 signals.SetShouldNotify (signo, (bool) notify_action); 1589 ++num_signals_set; 1590 } 1591 else 1592 { 1593 result.AppendErrorWithFormat ("Invalid signal name '%s'\n", signal_args.GetArgumentAtIndex (i)); 1594 } 1595 } 1596 } 1597 else 1598 { 1599 // No signal specified, if any command options were specified, update ALL signals. 1600 if ((notify_action != -1) || (stop_action != -1) || (pass_action != -1)) 1601 { 1602 if (m_interpreter.Confirm ("Do you really want to update all the signals?", false)) 1603 { 1604 int32_t signo = signals.GetFirstSignalNumber(); 1605 while (signo != LLDB_INVALID_SIGNAL_NUMBER) 1606 { 1607 if (notify_action != -1) 1608 signals.SetShouldNotify (signo, (bool) notify_action); 1609 if (stop_action != -1) 1610 signals.SetShouldStop (signo, (bool) stop_action); 1611 if (pass_action != -1) 1612 { 1613 bool suppress = ! ((bool) pass_action); 1614 signals.SetShouldSuppress (signo, suppress); 1615 } 1616 signo = signals.GetNextSignalNumber (signo); 1617 } 1618 } 1619 } 1620 } 1621 1622 PrintSignalInformation (result.GetOutputStream(), signal_args, num_signals_set, signals); 1623 1624 if (num_signals_set > 0) 1625 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1626 else 1627 result.SetStatus (eReturnStatusFailed); 1628 1629 return result.Succeeded(); 1630 } 1631 1632 protected: 1633 1634 CommandOptions m_options; 1635 }; 1636 1637 lldb::OptionDefinition 1638 CommandObjectProcessHandle::CommandOptions::g_option_table[] = 1639 { 1640 { 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." }, 1641 { 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." }, 1642 { LLDB_OPT_SET_1, false, "pass", 'p', required_argument, NULL, 0, eArgTypeBoolean, "Whether or not the signal should be passed to the process." }, 1643 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1644 }; 1645 1646 //------------------------------------------------------------------------- 1647 // CommandObjectMultiwordProcess 1648 //------------------------------------------------------------------------- 1649 1650 CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter &interpreter) : 1651 CommandObjectMultiword (interpreter, 1652 "process", 1653 "A set of commands for operating on a process.", 1654 "process <subcommand> [<subcommand-options>]") 1655 { 1656 LoadSubCommand ("attach", CommandObjectSP (new CommandObjectProcessAttach (interpreter))); 1657 LoadSubCommand ("launch", CommandObjectSP (new CommandObjectProcessLaunch (interpreter))); 1658 LoadSubCommand ("continue", CommandObjectSP (new CommandObjectProcessContinue (interpreter))); 1659 LoadSubCommand ("detach", CommandObjectSP (new CommandObjectProcessDetach (interpreter))); 1660 LoadSubCommand ("load", CommandObjectSP (new CommandObjectProcessLoad (interpreter))); 1661 LoadSubCommand ("unload", CommandObjectSP (new CommandObjectProcessUnload (interpreter))); 1662 LoadSubCommand ("signal", CommandObjectSP (new CommandObjectProcessSignal (interpreter))); 1663 LoadSubCommand ("handle", CommandObjectSP (new CommandObjectProcessHandle (interpreter))); 1664 LoadSubCommand ("status", CommandObjectSP (new CommandObjectProcessStatus (interpreter))); 1665 LoadSubCommand ("interrupt", CommandObjectSP (new CommandObjectProcessInterrupt (interpreter))); 1666 LoadSubCommand ("kill", CommandObjectSP (new CommandObjectProcessKill (interpreter))); 1667 } 1668 1669 CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess () 1670 { 1671 } 1672 1673