Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 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 |
Jim Ingham | 84cdc15 | 2010-06-15 19:49:27 +0000 | [diff] [blame] | 16 | #include "lldb/Interpreter/Args.h" |
| 17 | #include "lldb/Interpreter/Options.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 18 | #include "lldb/Core/State.h" |
| 19 | #include "lldb/Interpreter/CommandInterpreter.h" |
| 20 | #include "lldb/Interpreter/CommandReturnObject.h" |
Jim Ingham | 41313fc | 2010-06-18 01:23:09 +0000 | [diff] [blame^] | 21 | #include "./CommandObjectThread.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 22 | #include "lldb/Target/Process.h" |
| 23 | #include "lldb/Target/Target.h" |
| 24 | #include "lldb/Target/Thread.h" |
| 25 | |
| 26 | using namespace lldb; |
| 27 | using namespace lldb_private; |
| 28 | |
| 29 | //------------------------------------------------------------------------- |
| 30 | // CommandObjectProcessLaunch |
| 31 | //------------------------------------------------------------------------- |
| 32 | |
| 33 | class CommandObjectProcessLaunch : public CommandObject |
| 34 | { |
| 35 | public: |
| 36 | |
| 37 | class CommandOptions : public Options |
| 38 | { |
| 39 | public: |
| 40 | |
| 41 | CommandOptions () : |
| 42 | Options() |
| 43 | { |
| 44 | // Keep default values of all options in one place: ResetOptionValues () |
| 45 | ResetOptionValues (); |
| 46 | } |
| 47 | |
| 48 | ~CommandOptions () |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | Error |
| 53 | SetOptionValue (int option_idx, const char *option_arg) |
| 54 | { |
| 55 | Error error; |
| 56 | char short_option = (char) m_getopt_table[option_idx].val; |
| 57 | |
| 58 | switch (short_option) |
| 59 | { |
| 60 | case 's': stop_at_entry = true; break; |
| 61 | case 'e': stderr_path = option_arg; break; |
| 62 | case 'i': stdin_path = option_arg; break; |
| 63 | case 'o': stdout_path = option_arg; break; |
| 64 | case 'p': plugin_name = option_arg; break; |
| 65 | default: |
| 66 | error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); |
| 67 | break; |
| 68 | |
| 69 | } |
| 70 | return error; |
| 71 | } |
| 72 | |
| 73 | void |
| 74 | ResetOptionValues () |
| 75 | { |
| 76 | Options::ResetOptionValues(); |
| 77 | stop_at_entry = false; |
| 78 | stdin_path.clear(); |
| 79 | stdout_path.clear(); |
| 80 | stderr_path.clear(); |
| 81 | plugin_name.clear(); |
| 82 | } |
| 83 | |
| 84 | const lldb::OptionDefinition* |
| 85 | GetDefinitions () |
| 86 | { |
| 87 | return g_option_table; |
| 88 | } |
| 89 | |
| 90 | // Options table: Required for subclasses of Options. |
| 91 | |
| 92 | static lldb::OptionDefinition g_option_table[]; |
| 93 | |
| 94 | // Instance variables to hold the values for command options. |
| 95 | |
| 96 | bool stop_at_entry; |
| 97 | std::string stderr_path; |
| 98 | std::string stdin_path; |
| 99 | std::string stdout_path; |
| 100 | std::string plugin_name; |
| 101 | |
| 102 | }; |
| 103 | |
| 104 | CommandObjectProcessLaunch () : |
| 105 | CommandObject ("process launch", |
| 106 | "Launches the executable in the debugger.", |
| 107 | "process launch [<cmd-options>] [<arguments-for-running-the-program>]") |
| 108 | { |
| 109 | } |
| 110 | |
| 111 | |
| 112 | ~CommandObjectProcessLaunch () |
| 113 | { |
| 114 | } |
| 115 | |
| 116 | Options * |
| 117 | GetOptions () |
| 118 | { |
| 119 | return &m_options; |
| 120 | } |
| 121 | |
| 122 | bool |
| 123 | Execute (Args& launch_args, |
| 124 | CommandContext *context, |
| 125 | CommandInterpreter *interpreter, |
| 126 | CommandReturnObject &result) |
| 127 | { |
| 128 | Target *target = context->GetTarget(); |
| 129 | bool synchronous_execution = interpreter->GetSynchronous (); |
| 130 | // bool launched = false; |
| 131 | // bool stopped_after_launch = false; |
| 132 | |
| 133 | if (target == NULL) |
| 134 | { |
| 135 | result.AppendError ("invalid target, set executable file using 'file' command"); |
| 136 | result.SetStatus (eReturnStatusFailed); |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | // If our listener is NULL, users aren't allows to launch |
| 141 | Listener *listener = interpreter->GetListener(); |
| 142 | if (listener == NULL) |
| 143 | { |
| 144 | result.AppendError ("operation not allowed through the command interpreter"); |
| 145 | result.SetStatus (eReturnStatusFailed); |
| 146 | return false; |
| 147 | } |
| 148 | |
| 149 | char filename[PATH_MAX]; |
| 150 | Module *exe_module = target->GetExecutableModule().get(); |
| 151 | exe_module->GetFileSpec().GetPath(filename, sizeof(filename)); |
| 152 | |
| 153 | Process *process = context->GetExecutionContext().process; |
| 154 | if (process) |
| 155 | { |
| 156 | if (process->IsAlive()) |
| 157 | { |
| 158 | result.AppendErrorWithFormat ("Process %u is currently being debugged, kill the process before running again.\n", |
| 159 | process->GetID()); |
| 160 | result.SetStatus (eReturnStatusFailed); |
| 161 | return false; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | const char *plugin_name; |
| 166 | if (!m_options.plugin_name.empty()) |
| 167 | plugin_name = m_options.plugin_name.c_str(); |
| 168 | else |
| 169 | plugin_name = NULL; |
| 170 | |
| 171 | process = target->CreateProcess (*listener, plugin_name).get(); |
| 172 | |
| 173 | const Args *environment = interpreter->GetEnvironmentVariables(); |
| 174 | const Args *run_args = interpreter->GetProgramArguments(); |
| 175 | |
| 176 | // There are two possible sources of args to be passed to the process upon launching: Those the user |
| 177 | // typed at the run command (launch_args); or those the user pre-set in the run-args variable (run_args). |
| 178 | |
| 179 | // If launch_args is empty, use run_args. |
| 180 | if (launch_args.GetArgumentCount() == 0) |
| 181 | { |
| 182 | if (run_args != NULL) |
| 183 | launch_args.AppendArguments (*run_args); |
| 184 | } |
| 185 | else |
| 186 | { |
| 187 | // launch-args was not empty; use that, AND re-set run-args to contains launch-args values. |
| 188 | StateVariable *run_args_var = interpreter->GetStateVariable ("run-args"); |
| 189 | if (run_args_var != NULL) |
| 190 | { |
| 191 | run_args_var->ArrayClearValues(); |
| 192 | run_args_var->GetArgs().AppendArguments (launch_args); |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | |
| 197 | if (process) |
| 198 | { |
| 199 | const char *archname = exe_module->GetArchitecture().AsCString(); |
| 200 | |
| 201 | const char * stdin_path = NULL; |
| 202 | const char * stdout_path = NULL; |
| 203 | const char * stderr_path = NULL; |
| 204 | |
| 205 | if (!(m_options.stdin_path.empty() && |
| 206 | m_options.stdout_path.empty() && |
| 207 | m_options.stderr_path.empty())) |
| 208 | { |
| 209 | stdin_path = m_options.stdin_path.empty() ? "/dev/null" : m_options.stdin_path.c_str(); |
| 210 | stdout_path = m_options.stdout_path.empty() ? "/dev/null" : m_options.stdout_path.c_str(); |
| 211 | stderr_path = m_options.stderr_path.empty() ? "/dev/null" : m_options.stderr_path.c_str(); |
| 212 | } |
| 213 | |
| 214 | Error error (process->Launch (launch_args.GetConstArgumentVector(), |
| 215 | environment ? environment->GetConstArgumentVector() : NULL, |
| 216 | stdin_path, |
| 217 | stdout_path, |
| 218 | stderr_path)); |
| 219 | |
| 220 | if (error.Success()) |
| 221 | { |
| 222 | result.AppendMessageWithFormat ("Launching '%s' (%s)\n", filename, archname); |
| 223 | result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| 224 | if (m_options.stop_at_entry == false) |
| 225 | { |
| 226 | StateType state = process->WaitForProcessToStop (NULL); |
| 227 | |
| 228 | if (state == eStateStopped) |
| 229 | { |
| 230 | // Call continue_command. |
| 231 | CommandReturnObject continue_result; |
| 232 | interpreter->HandleCommand("process continue", false, continue_result); |
| 233 | } |
| 234 | |
| 235 | if (synchronous_execution) |
| 236 | { |
| 237 | result.SetDidChangeProcessState (true); |
| 238 | result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| 239 | } |
| 240 | } |
| 241 | } |
| 242 | else |
| 243 | { |
| 244 | result.AppendErrorWithFormat ("Process launch failed: %s", |
| 245 | error.AsCString()); |
| 246 | result.SetStatus (eReturnStatusFailed); |
| 247 | } |
| 248 | } |
| 249 | else |
| 250 | { |
| 251 | result.AppendErrorWithFormat ("Process launch failed: unable to create a process object.\n"); |
| 252 | result.SetStatus (eReturnStatusFailed); |
| 253 | return false; |
| 254 | } |
| 255 | |
| 256 | return result.Succeeded(); |
| 257 | } |
| 258 | |
| 259 | protected: |
| 260 | |
| 261 | CommandOptions m_options; |
| 262 | }; |
| 263 | |
| 264 | |
| 265 | lldb::OptionDefinition |
| 266 | CommandObjectProcessLaunch::CommandOptions::g_option_table[] = |
| 267 | { |
Jim Ingham | 34e9a98 | 2010-06-15 18:47:14 +0000 | [diff] [blame] | 268 | { LLDB_OPT_SET_1, false, "stop-at-entry", 's', no_argument, NULL, 0, NULL, "Stop at the entry point of the program when launching a process."}, |
| 269 | { LLDB_OPT_SET_1, false, "stdin", 'i', required_argument, NULL, 0, "<path>", "Redirect stdin for the process to <path>."}, |
| 270 | { LLDB_OPT_SET_1, false, "stdout", 'o', required_argument, NULL, 0, "<path>", "Redirect stdout for the process to <path>."}, |
| 271 | { LLDB_OPT_SET_1, false, "stderr", 'e', required_argument, NULL, 0, "<path>", "Redirect stderr for the process to <path>."}, |
| 272 | { LLDB_OPT_SET_1, false, "plugin", 'p', required_argument, NULL, 0, "<plugin>", "Name of the process plugin you want to use."}, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 273 | { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } |
| 274 | }; |
| 275 | |
| 276 | |
| 277 | //------------------------------------------------------------------------- |
| 278 | // CommandObjectProcessAttach |
| 279 | //------------------------------------------------------------------------- |
| 280 | |
| 281 | class CommandObjectProcessAttach : public CommandObject |
| 282 | { |
| 283 | public: |
| 284 | |
| 285 | CommandObjectProcessAttach () : |
| 286 | CommandObject ("process attach", |
| 287 | "Attaches to a process.", |
| 288 | "process attach <cmd-options>") |
| 289 | { |
| 290 | SetHelpLong("Currently, you must set the executable file before you can attach " |
| 291 | "to a process.\n"); |
| 292 | } |
| 293 | |
| 294 | ~CommandObjectProcessAttach () |
| 295 | { |
| 296 | } |
| 297 | |
| 298 | bool |
| 299 | Execute (Args& command, |
| 300 | CommandContext *context, |
| 301 | CommandInterpreter *interpreter, |
| 302 | CommandReturnObject &result) |
| 303 | { |
| 304 | Target *target = context->GetTarget(); |
| 305 | if (target == NULL) |
| 306 | { |
| 307 | result.AppendError ("invalid target, set executable file using 'file' command"); |
| 308 | result.SetStatus (eReturnStatusFailed); |
| 309 | return false; |
| 310 | } |
| 311 | |
| 312 | // If our listener is NULL, users aren't allows to launch |
| 313 | Listener *listener = interpreter->GetListener(); |
| 314 | if (listener == NULL) |
| 315 | { |
| 316 | result.AppendError ("operation not allowed through the command interpreter"); |
| 317 | result.SetStatus (eReturnStatusFailed); |
| 318 | return false; |
| 319 | } |
| 320 | Process *process = context->GetExecutionContext().process; |
| 321 | if (process) |
| 322 | { |
| 323 | if (process->IsAlive()) |
| 324 | { |
| 325 | result.AppendErrorWithFormat ("Process %u is currently being debugged, kill the process before attaching.\n", process->GetID()); |
| 326 | result.SetStatus (eReturnStatusFailed); |
| 327 | return false; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | if (command.GetArgumentCount()) |
| 332 | { |
| 333 | result.AppendErrorWithFormat("Invalid arguments for '%s'.\nUsage: \n", m_cmd_name.c_str(), m_cmd_syntax.c_str()); |
| 334 | result.SetStatus (eReturnStatusFailed); |
| 335 | } |
| 336 | else |
| 337 | { |
| 338 | const char *plugin_name = NULL; |
| 339 | |
| 340 | if (!m_options.plugin_name.empty()) |
| 341 | plugin_name = m_options.plugin_name.c_str(); |
| 342 | |
| 343 | process = target->CreateProcess (*listener, plugin_name).get(); |
| 344 | |
| 345 | if (process) |
| 346 | { |
| 347 | Error error; |
| 348 | int attach_pid = m_options.pid; |
| 349 | |
| 350 | if (attach_pid != LLDB_INVALID_PROCESS_ID) |
| 351 | { |
| 352 | error = process->Attach (attach_pid); |
| 353 | if (error.Success()) |
| 354 | { |
| 355 | result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| 356 | } |
| 357 | else |
| 358 | { |
| 359 | result.AppendErrorWithFormat ("Attaching to process %i failed: %s.\n", |
| 360 | attach_pid, |
| 361 | error.AsCString()); |
| 362 | result.SetStatus (eReturnStatusFailed); |
| 363 | } |
| 364 | } |
| 365 | else if (!m_options.name.empty()) |
| 366 | { |
| 367 | error = process->Attach (m_options.name.c_str(), m_options.waitfor); |
| 368 | if (error.Success()) |
| 369 | { |
| 370 | result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| 371 | } |
| 372 | else |
| 373 | { |
| 374 | if (m_options.waitfor) |
| 375 | result.AppendErrorWithFormat ("Waiting for a process to launch named '%s': %s\n", |
| 376 | m_options.name.c_str(), |
| 377 | error.AsCString()); |
| 378 | else |
| 379 | result.AppendErrorWithFormat ("Failed to a process named '%s': %s\n", |
| 380 | m_options.name.c_str(), |
| 381 | error.AsCString()); |
| 382 | result.SetStatus (eReturnStatusFailed); |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | } |
| 387 | return result.Succeeded(); |
| 388 | } |
| 389 | |
| 390 | Options * |
| 391 | GetOptions () |
| 392 | { |
| 393 | return &m_options; |
| 394 | } |
| 395 | |
| 396 | class CommandOptions : public Options |
| 397 | { |
| 398 | public: |
| 399 | |
| 400 | CommandOptions () : |
| 401 | Options() |
| 402 | { |
| 403 | // Keep default values of all options in one place: ResetOptionValues () |
| 404 | ResetOptionValues (); |
| 405 | } |
| 406 | |
| 407 | ~CommandOptions () |
| 408 | { |
| 409 | } |
| 410 | |
| 411 | Error |
| 412 | SetOptionValue (int option_idx, const char *option_arg) |
| 413 | { |
| 414 | Error error; |
| 415 | char short_option = (char) m_getopt_table[option_idx].val; |
| 416 | bool success = false; |
| 417 | switch (short_option) |
| 418 | { |
| 419 | case 'p': |
| 420 | pid = Args::StringToUInt32 (option_arg, LLDB_INVALID_PROCESS_ID, 0, &success); |
| 421 | if (!success || pid == LLDB_INVALID_PROCESS_ID) |
| 422 | { |
| 423 | error.SetErrorStringWithFormat("Invalid process ID '%s'.\n", option_arg); |
| 424 | } |
| 425 | break; |
| 426 | |
| 427 | case 'P': |
| 428 | plugin_name = option_arg; |
| 429 | break; |
| 430 | |
| 431 | case 'n': |
| 432 | name.assign(option_arg); |
| 433 | break; |
| 434 | |
| 435 | case 'w': |
| 436 | waitfor = true; |
| 437 | break; |
| 438 | |
| 439 | default: |
| 440 | error.SetErrorStringWithFormat("Invalid short option character '%c'.\n", short_option); |
| 441 | break; |
| 442 | } |
| 443 | return error; |
| 444 | } |
| 445 | |
| 446 | void |
| 447 | ResetOptionValues () |
| 448 | { |
| 449 | Options::ResetOptionValues(); |
| 450 | pid = LLDB_INVALID_PROCESS_ID; |
| 451 | name.clear(); |
| 452 | waitfor = false; |
| 453 | } |
| 454 | |
| 455 | const lldb::OptionDefinition* |
| 456 | GetDefinitions () |
| 457 | { |
| 458 | return g_option_table; |
| 459 | } |
| 460 | |
| 461 | // Options table: Required for subclasses of Options. |
| 462 | |
| 463 | static lldb::OptionDefinition g_option_table[]; |
| 464 | |
| 465 | // Instance variables to hold the values for command options. |
| 466 | |
| 467 | lldb::pid_t pid; |
| 468 | std::string plugin_name; |
| 469 | std::string name; |
| 470 | bool waitfor; |
| 471 | }; |
| 472 | |
| 473 | protected: |
| 474 | |
| 475 | CommandOptions m_options; |
| 476 | }; |
| 477 | |
| 478 | |
| 479 | lldb::OptionDefinition |
| 480 | CommandObjectProcessAttach::CommandOptions::g_option_table[] = |
| 481 | { |
Jim Ingham | 34e9a98 | 2010-06-15 18:47:14 +0000 | [diff] [blame] | 482 | { LLDB_OPT_SET_ALL, false, "plugin", 'P', required_argument, NULL, 0, "<plugin>", "Name of the process plugin you want to use."}, |
| 483 | { LLDB_OPT_SET_1, false, "pid", 'p', required_argument, NULL, 0, "<pid>", "The process ID of an existing process to attach to."}, |
| 484 | { LLDB_OPT_SET_2, true, "name", 'n', required_argument, NULL, 0, "<process-name>", "The name of the process to attach to."}, |
| 485 | { LLDB_OPT_SET_2, false, "waitfor", 'w', no_argument, NULL, 0, NULL, "Wait for the the process with <process-name> to launch."}, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 486 | { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } |
| 487 | }; |
| 488 | |
| 489 | //------------------------------------------------------------------------- |
| 490 | // CommandObjectProcessContinue |
| 491 | //------------------------------------------------------------------------- |
| 492 | |
| 493 | class CommandObjectProcessContinue : public CommandObject |
| 494 | { |
| 495 | public: |
| 496 | |
| 497 | CommandObjectProcessContinue () : |
| 498 | CommandObject ("process continue", |
| 499 | "Continues execution all threads in the current process.", |
| 500 | "process continue", |
| 501 | eFlagProcessMustBeLaunched | eFlagProcessMustBePaused) |
| 502 | { |
| 503 | } |
| 504 | |
| 505 | |
| 506 | ~CommandObjectProcessContinue () |
| 507 | { |
| 508 | } |
| 509 | |
| 510 | bool |
| 511 | Execute (Args& command, |
| 512 | CommandContext *context, |
| 513 | CommandInterpreter *interpreter, |
| 514 | CommandReturnObject &result) |
| 515 | { |
| 516 | Process *process = context->GetExecutionContext().process; |
| 517 | bool synchronous_execution = interpreter->GetSynchronous (); |
| 518 | |
| 519 | if (process == NULL) |
| 520 | { |
| 521 | result.AppendError ("no process to continue"); |
| 522 | result.SetStatus (eReturnStatusFailed); |
| 523 | return false; |
| 524 | } |
| 525 | |
| 526 | StateType state = process->GetState(); |
| 527 | if (state == eStateStopped) |
| 528 | { |
| 529 | if (command.GetArgumentCount() != 0) |
| 530 | { |
| 531 | result.AppendErrorWithFormat ("The '%s' command does not take any arguments.\n", m_cmd_name.c_str()); |
| 532 | result.SetStatus (eReturnStatusFailed); |
| 533 | return false; |
| 534 | } |
| 535 | |
| 536 | const uint32_t num_threads = process->GetThreadList().GetSize(); |
| 537 | |
| 538 | // Set the actions that the threads should each take when resuming |
| 539 | for (uint32_t idx=0; idx<num_threads; ++idx) |
| 540 | { |
| 541 | process->GetThreadList().GetThreadAtIndex(idx)->SetResumeState (eStateRunning); |
| 542 | } |
| 543 | |
| 544 | Error error(process->Resume()); |
| 545 | if (error.Success()) |
| 546 | { |
| 547 | result.AppendMessageWithFormat ("Resuming process %i\n", process->GetID()); |
| 548 | if (synchronous_execution) |
| 549 | { |
| 550 | StateType state = process->WaitForProcessToStop (NULL); |
| 551 | |
| 552 | result.SetDidChangeProcessState (true); |
| 553 | result.AppendMessageWithFormat ("Process %i %s\n", process->GetID(), StateAsCString (state)); |
| 554 | result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| 555 | } |
| 556 | else |
| 557 | { |
| 558 | result.SetStatus (eReturnStatusSuccessContinuingNoResult); |
| 559 | } |
| 560 | } |
| 561 | else |
| 562 | { |
| 563 | result.AppendErrorWithFormat("Failed to resume process: %s.\n", error.AsCString()); |
| 564 | result.SetStatus (eReturnStatusFailed); |
| 565 | } |
| 566 | } |
| 567 | else |
| 568 | { |
| 569 | result.AppendErrorWithFormat ("Process cannot be continued from its current state (%s).\n", |
| 570 | StateAsCString(state)); |
| 571 | result.SetStatus (eReturnStatusFailed); |
| 572 | } |
| 573 | return result.Succeeded(); |
| 574 | } |
| 575 | }; |
| 576 | |
| 577 | //------------------------------------------------------------------------- |
| 578 | // CommandObjectProcessDetach |
| 579 | //------------------------------------------------------------------------- |
| 580 | |
| 581 | class CommandObjectProcessDetach : public CommandObject |
| 582 | { |
| 583 | public: |
| 584 | |
| 585 | CommandObjectProcessDetach () : |
| 586 | CommandObject ("process detach", |
| 587 | "Detaches from the current process being debugged.", |
| 588 | "process detach", |
| 589 | eFlagProcessMustBeLaunched) |
| 590 | { |
| 591 | } |
| 592 | |
| 593 | ~CommandObjectProcessDetach () |
| 594 | { |
| 595 | } |
| 596 | |
| 597 | bool |
| 598 | Execute (Args& command, |
| 599 | CommandContext *context, |
| 600 | CommandInterpreter *interpreter, |
| 601 | CommandReturnObject &result) |
| 602 | { |
| 603 | Process *process = context->GetExecutionContext().process; |
| 604 | if (process == NULL) |
| 605 | { |
| 606 | result.AppendError ("must have a valid process in order to detach"); |
| 607 | result.SetStatus (eReturnStatusFailed); |
| 608 | return false; |
| 609 | } |
| 610 | |
| 611 | Error error (process->Detach()); |
| 612 | if (error.Success()) |
| 613 | { |
| 614 | result.SetStatus (eReturnStatusSuccessFinishResult); |
| 615 | } |
| 616 | else |
| 617 | { |
| 618 | result.AppendErrorWithFormat ("Detach failed: %s\n", error.AsCString()); |
| 619 | result.SetStatus (eReturnStatusFailed); |
| 620 | return false; |
| 621 | } |
| 622 | return result.Succeeded(); |
| 623 | } |
| 624 | }; |
| 625 | |
| 626 | //------------------------------------------------------------------------- |
| 627 | // CommandObjectProcessSignal |
| 628 | //------------------------------------------------------------------------- |
| 629 | |
| 630 | class CommandObjectProcessSignal : public CommandObject |
| 631 | { |
| 632 | public: |
| 633 | |
| 634 | CommandObjectProcessSignal () : |
| 635 | CommandObject ("process signal", |
| 636 | "Sends a UNIX signal to the current process being debugged.", |
| 637 | "process signal <unix-signal-number>") |
| 638 | { |
| 639 | } |
| 640 | |
| 641 | ~CommandObjectProcessSignal () |
| 642 | { |
| 643 | } |
| 644 | |
| 645 | bool |
| 646 | Execute (Args& command, |
| 647 | CommandContext *context, |
| 648 | CommandInterpreter *interpreter, |
| 649 | CommandReturnObject &result) |
| 650 | { |
| 651 | Process *process = context->GetExecutionContext().process; |
| 652 | if (process == NULL) |
| 653 | { |
| 654 | result.AppendError ("no process to signal"); |
| 655 | result.SetStatus (eReturnStatusFailed); |
| 656 | return false; |
| 657 | } |
| 658 | |
| 659 | if (command.GetArgumentCount() == 1) |
| 660 | { |
| 661 | int signo = Args::StringToSInt32(command.GetArgumentAtIndex(0), -1, 0); |
| 662 | if (signo == -1) |
| 663 | { |
| 664 | result.AppendErrorWithFormat ("Invalid signal argument '%s'.\n", command.GetArgumentAtIndex(0)); |
| 665 | result.SetStatus (eReturnStatusFailed); |
| 666 | } |
| 667 | else |
| 668 | { |
| 669 | Error error (process->Signal (signo)); |
| 670 | if (error.Success()) |
| 671 | { |
| 672 | result.SetStatus (eReturnStatusSuccessFinishResult); |
| 673 | } |
| 674 | else |
| 675 | { |
| 676 | result.AppendErrorWithFormat ("Failed to send signal %i: %s\n", signo, error.AsCString()); |
| 677 | result.SetStatus (eReturnStatusFailed); |
| 678 | } |
| 679 | } |
| 680 | } |
| 681 | else |
| 682 | { |
| 683 | result.AppendErrorWithFormat("'%s' takes exactly one signal number argument:\nUsage: \n", m_cmd_name.c_str(), |
| 684 | m_cmd_syntax.c_str()); |
| 685 | result.SetStatus (eReturnStatusFailed); |
| 686 | } |
| 687 | return result.Succeeded(); |
| 688 | } |
| 689 | }; |
| 690 | |
| 691 | |
| 692 | //------------------------------------------------------------------------- |
| 693 | // CommandObjectProcessInterrupt |
| 694 | //------------------------------------------------------------------------- |
| 695 | |
| 696 | class CommandObjectProcessInterrupt : public CommandObject |
| 697 | { |
| 698 | public: |
| 699 | |
| 700 | |
| 701 | CommandObjectProcessInterrupt () : |
| 702 | CommandObject ("process interrupt", |
| 703 | "Interrupts the current process being debugged.", |
| 704 | "process interrupt", |
| 705 | eFlagProcessMustBeLaunched) |
| 706 | { |
| 707 | } |
| 708 | |
| 709 | ~CommandObjectProcessInterrupt () |
| 710 | { |
| 711 | } |
| 712 | |
| 713 | bool |
| 714 | Execute (Args& command, |
| 715 | CommandContext *context, |
| 716 | CommandInterpreter *interpreter, |
| 717 | CommandReturnObject &result) |
| 718 | { |
| 719 | Process *process = context->GetExecutionContext().process; |
| 720 | if (process == NULL) |
| 721 | { |
| 722 | result.AppendError ("no process to halt"); |
| 723 | result.SetStatus (eReturnStatusFailed); |
| 724 | return false; |
| 725 | } |
| 726 | |
| 727 | if (command.GetArgumentCount() == 0) |
| 728 | { |
| 729 | Error error(process->Halt ()); |
| 730 | if (error.Success()) |
| 731 | { |
| 732 | result.SetStatus (eReturnStatusSuccessFinishResult); |
| 733 | |
| 734 | // Maybe we should add a "SuspendThreadPlans so we |
| 735 | // can halt, and keep in place all the current thread plans. |
| 736 | process->GetThreadList().DiscardThreadPlans(); |
| 737 | } |
| 738 | else |
| 739 | { |
| 740 | result.AppendErrorWithFormat ("Failed to halt process: %s\n", error.AsCString()); |
| 741 | result.SetStatus (eReturnStatusFailed); |
| 742 | } |
| 743 | } |
| 744 | else |
| 745 | { |
| 746 | result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: \n", |
| 747 | m_cmd_name.c_str(), |
| 748 | m_cmd_syntax.c_str()); |
| 749 | result.SetStatus (eReturnStatusFailed); |
| 750 | } |
| 751 | return result.Succeeded(); |
| 752 | } |
| 753 | }; |
| 754 | |
| 755 | //------------------------------------------------------------------------- |
| 756 | // CommandObjectProcessKill |
| 757 | //------------------------------------------------------------------------- |
| 758 | |
| 759 | class CommandObjectProcessKill : public CommandObject |
| 760 | { |
| 761 | public: |
| 762 | |
| 763 | CommandObjectProcessKill () : |
| 764 | CommandObject ("process kill", |
| 765 | "Terminates the current process being debugged.", |
| 766 | "process kill", |
| 767 | eFlagProcessMustBeLaunched) |
| 768 | { |
| 769 | } |
| 770 | |
| 771 | ~CommandObjectProcessKill () |
| 772 | { |
| 773 | } |
| 774 | |
| 775 | bool |
| 776 | Execute (Args& command, |
| 777 | CommandContext *context, |
| 778 | CommandInterpreter *interpreter, |
| 779 | CommandReturnObject &result) |
| 780 | { |
| 781 | Process *process = context->GetExecutionContext().process; |
| 782 | if (process == NULL) |
| 783 | { |
| 784 | result.AppendError ("no process to kill"); |
| 785 | result.SetStatus (eReturnStatusFailed); |
| 786 | return false; |
| 787 | } |
| 788 | |
| 789 | if (command.GetArgumentCount() == 0) |
| 790 | { |
| 791 | Error error (process->Destroy()); |
| 792 | if (error.Success()) |
| 793 | { |
| 794 | result.SetStatus (eReturnStatusSuccessFinishResult); |
| 795 | } |
| 796 | else |
| 797 | { |
| 798 | result.AppendErrorWithFormat ("Failed to kill process: %s\n", error.AsCString()); |
| 799 | result.SetStatus (eReturnStatusFailed); |
| 800 | } |
| 801 | } |
| 802 | else |
| 803 | { |
| 804 | result.AppendErrorWithFormat("'%s' takes no arguments:\nUsage: \n", |
| 805 | m_cmd_name.c_str(), |
| 806 | m_cmd_syntax.c_str()); |
| 807 | result.SetStatus (eReturnStatusFailed); |
| 808 | } |
| 809 | return result.Succeeded(); |
| 810 | } |
| 811 | }; |
| 812 | |
| 813 | //------------------------------------------------------------------------- |
Jim Ingham | 41313fc | 2010-06-18 01:23:09 +0000 | [diff] [blame^] | 814 | // CommandObjectProcessStatus |
| 815 | //------------------------------------------------------------------------- |
| 816 | class CommandObjectProcessStatus : public CommandObject |
| 817 | { |
| 818 | public: |
| 819 | CommandObjectProcessStatus () : |
| 820 | CommandObject ("status", |
| 821 | "Shows the current status and location of executing process.", |
| 822 | "status", |
| 823 | 0) |
| 824 | { |
| 825 | } |
| 826 | |
| 827 | ~CommandObjectProcessStatus() |
| 828 | { |
| 829 | } |
| 830 | |
| 831 | |
| 832 | bool |
| 833 | Execute |
| 834 | ( |
| 835 | Args& command, |
| 836 | CommandContext *context, |
| 837 | CommandInterpreter *interpreter, |
| 838 | CommandReturnObject &result |
| 839 | ) |
| 840 | { |
| 841 | StreamString &output_stream = result.GetOutputStream(); |
| 842 | result.SetStatus (eReturnStatusSuccessFinishNoResult); |
| 843 | ExecutionContext exe_ctx(context->GetExecutionContext()); |
| 844 | if (exe_ctx.process) |
| 845 | { |
| 846 | const StateType state = exe_ctx.process->GetState(); |
| 847 | if (StateIsStoppedState(state)) |
| 848 | { |
| 849 | if (state == eStateExited) |
| 850 | { |
| 851 | int exit_status = exe_ctx.process->GetExitStatus(); |
| 852 | const char *exit_description = exe_ctx.process->GetExitDescription(); |
| 853 | output_stream.Printf ("Process %d exited with status = %i (0x%8.8x) %s\n", |
| 854 | exe_ctx.process->GetID(), |
| 855 | exit_status, |
| 856 | exit_status, |
| 857 | exit_description ? exit_description : ""); |
| 858 | } |
| 859 | else |
| 860 | { |
| 861 | output_stream.Printf ("Process %d %s\n", exe_ctx.process->GetID(), StateAsCString (state)); |
| 862 | if (exe_ctx.thread == NULL) |
| 863 | exe_ctx.thread = exe_ctx.process->GetThreadList().GetThreadAtIndex(0).get(); |
| 864 | if (exe_ctx.thread != NULL) |
| 865 | { |
| 866 | DisplayThreadsInfo (interpreter, &exe_ctx, result, true, true); |
| 867 | } |
| 868 | else |
| 869 | { |
| 870 | result.AppendError ("No valid thread found in current process."); |
| 871 | result.SetStatus (eReturnStatusFailed); |
| 872 | } |
| 873 | } |
| 874 | } |
| 875 | else |
| 876 | { |
| 877 | output_stream.Printf ("Process %d is running.\n", |
| 878 | exe_ctx.process->GetID()); |
| 879 | } |
| 880 | } |
| 881 | else |
| 882 | { |
| 883 | result.AppendError ("No current location or status available."); |
| 884 | result.SetStatus (eReturnStatusFailed); |
| 885 | } |
| 886 | return result.Succeeded(); |
| 887 | } |
| 888 | }; |
| 889 | |
| 890 | //------------------------------------------------------------------------- |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 891 | // CommandObjectMultiwordProcess |
| 892 | //------------------------------------------------------------------------- |
| 893 | |
| 894 | CommandObjectMultiwordProcess::CommandObjectMultiwordProcess (CommandInterpreter *interpreter) : |
| 895 | CommandObjectMultiword ("process", |
| 896 | "A set of commands for operating on a process.", |
| 897 | "process <subcommand> [<subcommand-options>]") |
| 898 | { |
| 899 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessAttach ()), "attach", interpreter); |
| 900 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessLaunch ()), "launch", interpreter); |
| 901 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessContinue ()), "continue", interpreter); |
| 902 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessDetach ()), "detach", interpreter); |
| 903 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessSignal ()), "signal", interpreter); |
Jim Ingham | 41313fc | 2010-06-18 01:23:09 +0000 | [diff] [blame^] | 904 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessStatus ()), "status", interpreter); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 905 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessInterrupt ()), "interrupt", interpreter); |
| 906 | LoadSubCommand (CommandObjectSP (new CommandObjectProcessKill ()), "kill", interpreter); |
| 907 | } |
| 908 | |
| 909 | CommandObjectMultiwordProcess::~CommandObjectMultiwordProcess () |
| 910 | { |
| 911 | } |
| 912 | |