1 //===-- CommandObjectWatchpointCommand.cpp ----------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include <vector> 10 11 #include "CommandObjectWatchpoint.h" 12 #include "CommandObjectWatchpointCommand.h" 13 #include "lldb/Breakpoint/StoppointCallbackContext.h" 14 #include "lldb/Breakpoint/Watchpoint.h" 15 #include "lldb/Core/IOHandler.h" 16 #include "lldb/Host/OptionParser.h" 17 #include "lldb/Interpreter/CommandInterpreter.h" 18 #include "lldb/Interpreter/CommandReturnObject.h" 19 #include "lldb/Interpreter/OptionArgParser.h" 20 #include "lldb/Target/Target.h" 21 #include "lldb/Target/Thread.h" 22 #include "lldb/Utility/State.h" 23 24 using namespace lldb; 25 using namespace lldb_private; 26 27 // FIXME: "script-type" needs to have its contents determined dynamically, so 28 // somebody can add a new scripting language to lldb and have it pickable here 29 // without having to change this enumeration by hand and rebuild lldb proper. 30 static constexpr OptionEnumValueElement g_script_option_enumeration[] = { 31 { 32 eScriptLanguageNone, 33 "command", 34 "Commands are in the lldb command interpreter language", 35 }, 36 { 37 eScriptLanguagePython, 38 "python", 39 "Commands are in the Python language.", 40 }, 41 { 42 eSortOrderByName, 43 "default-script", 44 "Commands are in the default scripting language.", 45 }, 46 }; 47 48 static constexpr OptionEnumValues ScriptOptionEnum() { 49 return OptionEnumValues(g_script_option_enumeration); 50 } 51 52 #define LLDB_OPTIONS_watchpoint_command_add 53 #include "CommandOptions.inc" 54 55 class CommandObjectWatchpointCommandAdd : public CommandObjectParsed, 56 public IOHandlerDelegateMultiline { 57 public: 58 CommandObjectWatchpointCommandAdd(CommandInterpreter &interpreter) 59 : CommandObjectParsed(interpreter, "add", 60 "Add a set of LLDB commands to a watchpoint, to be " 61 "executed whenever the watchpoint is hit.", 62 nullptr), 63 IOHandlerDelegateMultiline("DONE", 64 IOHandlerDelegate::Completion::LLDBCommand), 65 m_options() { 66 SetHelpLong( 67 R"( 68 General information about entering watchpoint commands 69 ------------------------------------------------------ 70 71 )" 72 "This command will prompt for commands to be executed when the specified \ 73 watchpoint is hit. Each command is typed on its own line following the '> ' \ 74 prompt until 'DONE' is entered." 75 R"( 76 77 )" 78 "Syntactic errors may not be detected when initially entered, and many \ 79 malformed commands can silently fail when executed. If your watchpoint commands \ 80 do not appear to be executing, double-check the command syntax." 81 R"( 82 83 )" 84 "Note: You may enter any debugger command exactly as you would at the debugger \ 85 prompt. There is no limit to the number of commands supplied, but do NOT enter \ 86 more than one command per line." 87 R"( 88 89 Special information about PYTHON watchpoint commands 90 ---------------------------------------------------- 91 92 )" 93 "You may enter either one or more lines of Python, including function \ 94 definitions or calls to functions that will have been imported by the time \ 95 the code executes. Single line watchpoint commands will be interpreted 'as is' \ 96 when the watchpoint is hit. Multiple lines of Python will be wrapped in a \ 97 generated function, and a call to the function will be attached to the watchpoint." 98 R"( 99 100 This auto-generated function is passed in three arguments: 101 102 frame: an lldb.SBFrame object for the frame which hit the watchpoint. 103 104 wp: the watchpoint that was hit. 105 106 )" 107 "When specifying a python function with the --python-function option, you need \ 108 to supply the function name prepended by the module name:" 109 R"( 110 111 --python-function myutils.watchpoint_callback 112 113 The function itself must have the following prototype: 114 115 def watchpoint_callback(frame, wp): 116 # Your code goes here 117 118 )" 119 "The arguments are the same as the arguments passed to generated functions as \ 120 described above. Note that the global variable 'lldb.frame' will NOT be updated when \ 121 this function is called, so be sure to use the 'frame' argument. The 'frame' argument \ 122 can get you to the thread via frame.GetThread(), the thread can get you to the \ 123 process via thread.GetProcess(), and the process can get you back to the target \ 124 via process.GetTarget()." 125 R"( 126 127 )" 128 "Important Note: As Python code gets collected into functions, access to global \ 129 variables requires explicit scoping using the 'global' keyword. Be sure to use correct \ 130 Python syntax, including indentation, when entering Python watchpoint commands." 131 R"( 132 133 Example Python one-line watchpoint command: 134 135 (lldb) watchpoint command add -s python 1 136 Enter your Python command(s). Type 'DONE' to end. 137 > print "Hit this watchpoint!" 138 > DONE 139 140 As a convenience, this also works for a short Python one-liner: 141 142 (lldb) watchpoint command add -s python 1 -o 'import time; print time.asctime()' 143 (lldb) run 144 Launching '.../a.out' (x86_64) 145 (lldb) Fri Sep 10 12:17:45 2010 146 Process 21778 Stopped 147 * thread #1: tid = 0x2e03, 0x0000000100000de8 a.out`c + 7 at main.c:39, stop reason = watchpoint 1.1, queue = com.apple.main-thread 148 36 149 37 int c(int val) 150 38 { 151 39 -> return val + 3; 152 40 } 153 41 154 42 int main (int argc, char const *argv[]) 155 156 Example multiple line Python watchpoint command, using function definition: 157 158 (lldb) watchpoint command add -s python 1 159 Enter your Python command(s). Type 'DONE' to end. 160 > def watchpoint_output (wp_no): 161 > out_string = "Hit watchpoint number " + repr (wp_no) 162 > print out_string 163 > return True 164 > watchpoint_output (1) 165 > DONE 166 167 Example multiple line Python watchpoint command, using 'loose' Python: 168 169 (lldb) watchpoint command add -s p 1 170 Enter your Python command(s). Type 'DONE' to end. 171 > global wp_count 172 > wp_count = wp_count + 1 173 > print "Hit this watchpoint " + repr(wp_count) + " times!" 174 > DONE 175 176 )" 177 "In this case, since there is a reference to a global variable, \ 178 'wp_count', you will also need to make sure 'wp_count' exists and is \ 179 initialized:" 180 R"( 181 182 (lldb) script 183 >>> wp_count = 0 184 >>> quit() 185 186 )" 187 "Final Note: A warning that no watchpoint command was generated when there \ 188 are no syntax errors may indicate that a function was declared but never called."); 189 190 CommandArgumentEntry arg; 191 CommandArgumentData wp_id_arg; 192 193 // Define the first (and only) variant of this arg. 194 wp_id_arg.arg_type = eArgTypeWatchpointID; 195 wp_id_arg.arg_repetition = eArgRepeatPlain; 196 197 // There is only one variant this argument could be; put it into the 198 // argument entry. 199 arg.push_back(wp_id_arg); 200 201 // Push the data for the first argument into the m_arguments vector. 202 m_arguments.push_back(arg); 203 } 204 205 ~CommandObjectWatchpointCommandAdd() override = default; 206 207 Options *GetOptions() override { return &m_options; } 208 209 void IOHandlerActivated(IOHandler &io_handler, bool interactive) override { 210 StreamFileSP output_sp(io_handler.GetOutputStreamFile()); 211 if (output_sp && interactive) { 212 output_sp->PutCString( 213 "Enter your debugger command(s). Type 'DONE' to end.\n"); 214 output_sp->Flush(); 215 } 216 } 217 218 void IOHandlerInputComplete(IOHandler &io_handler, 219 std::string &line) override { 220 io_handler.SetIsDone(true); 221 222 // The WatchpointOptions object is owned by the watchpoint or watchpoint 223 // location 224 WatchpointOptions *wp_options = 225 (WatchpointOptions *)io_handler.GetUserData(); 226 if (wp_options) { 227 std::unique_ptr<WatchpointOptions::CommandData> data_up( 228 new WatchpointOptions::CommandData()); 229 if (data_up) { 230 data_up->user_source.SplitIntoLines(line); 231 auto baton_sp = std::make_shared<WatchpointOptions::CommandBaton>( 232 std::move(data_up)); 233 wp_options->SetCallback(WatchpointOptionsCallbackFunction, baton_sp); 234 } 235 } 236 } 237 238 void CollectDataForWatchpointCommandCallback(WatchpointOptions *wp_options, 239 CommandReturnObject &result) { 240 m_interpreter.GetLLDBCommandsFromIOHandler( 241 "> ", // Prompt 242 *this, // IOHandlerDelegate 243 true, // Run IOHandler in async mode 244 wp_options); // Baton for the "io_handler" that will be passed back into 245 // our IOHandlerDelegate functions 246 } 247 248 /// Set a one-liner as the callback for the watchpoint. 249 void SetWatchpointCommandCallback(WatchpointOptions *wp_options, 250 const char *oneliner) { 251 std::unique_ptr<WatchpointOptions::CommandData> data_up( 252 new WatchpointOptions::CommandData()); 253 254 // It's necessary to set both user_source and script_source to the 255 // oneliner. The former is used to generate callback description (as in 256 // watchpoint command list) while the latter is used for Python to 257 // interpret during the actual callback. 258 data_up->user_source.AppendString(oneliner); 259 data_up->script_source.assign(oneliner); 260 data_up->stop_on_error = m_options.m_stop_on_error; 261 262 auto baton_sp = 263 std::make_shared<WatchpointOptions::CommandBaton>(std::move(data_up)); 264 wp_options->SetCallback(WatchpointOptionsCallbackFunction, baton_sp); 265 } 266 267 static bool 268 WatchpointOptionsCallbackFunction(void *baton, 269 StoppointCallbackContext *context, 270 lldb::user_id_t watch_id) { 271 bool ret_value = true; 272 if (baton == nullptr) 273 return true; 274 275 WatchpointOptions::CommandData *data = 276 (WatchpointOptions::CommandData *)baton; 277 StringList &commands = data->user_source; 278 279 if (commands.GetSize() > 0) { 280 ExecutionContext exe_ctx(context->exe_ctx_ref); 281 Target *target = exe_ctx.GetTargetPtr(); 282 if (target) { 283 CommandReturnObject result; 284 Debugger &debugger = target->GetDebugger(); 285 // Rig up the results secondary output stream to the debugger's, so the 286 // output will come out synchronously if the debugger is set up that 287 // way. 288 289 StreamSP output_stream(debugger.GetAsyncOutputStream()); 290 StreamSP error_stream(debugger.GetAsyncErrorStream()); 291 result.SetImmediateOutputStream(output_stream); 292 result.SetImmediateErrorStream(error_stream); 293 294 CommandInterpreterRunOptions options; 295 options.SetStopOnContinue(true); 296 options.SetStopOnError(data->stop_on_error); 297 options.SetEchoCommands(false); 298 options.SetPrintResults(true); 299 options.SetPrintErrors(true); 300 options.SetAddToHistory(false); 301 302 debugger.GetCommandInterpreter().HandleCommands(commands, &exe_ctx, 303 options, result); 304 result.GetImmediateOutputStream()->Flush(); 305 result.GetImmediateErrorStream()->Flush(); 306 } 307 } 308 return ret_value; 309 } 310 311 class CommandOptions : public Options { 312 public: 313 CommandOptions() 314 : Options(), m_use_commands(false), m_use_script_language(false), 315 m_script_language(eScriptLanguageNone), m_use_one_liner(false), 316 m_one_liner(), m_function_name() {} 317 318 ~CommandOptions() override = default; 319 320 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 321 ExecutionContext *execution_context) override { 322 Status error; 323 const int short_option = m_getopt_table[option_idx].val; 324 325 switch (short_option) { 326 case 'o': 327 m_use_one_liner = true; 328 m_one_liner = option_arg; 329 break; 330 331 case 's': 332 m_script_language = (lldb::ScriptLanguage)OptionArgParser::ToOptionEnum( 333 option_arg, GetDefinitions()[option_idx].enum_values, 334 eScriptLanguageNone, error); 335 336 m_use_script_language = (m_script_language == eScriptLanguagePython || 337 m_script_language == eScriptLanguageDefault); 338 break; 339 340 case 'e': { 341 bool success = false; 342 m_stop_on_error = 343 OptionArgParser::ToBoolean(option_arg, false, &success); 344 if (!success) 345 error.SetErrorStringWithFormat( 346 "invalid value for stop-on-error: \"%s\"", 347 option_arg.str().c_str()); 348 } break; 349 350 case 'F': 351 m_use_one_liner = false; 352 m_use_script_language = true; 353 m_function_name.assign(option_arg); 354 break; 355 356 default: 357 llvm_unreachable("Unimplemented option"); 358 } 359 return error; 360 } 361 362 void OptionParsingStarting(ExecutionContext *execution_context) override { 363 m_use_commands = true; 364 m_use_script_language = false; 365 m_script_language = eScriptLanguageNone; 366 367 m_use_one_liner = false; 368 m_stop_on_error = true; 369 m_one_liner.clear(); 370 m_function_name.clear(); 371 } 372 373 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 374 return llvm::makeArrayRef(g_watchpoint_command_add_options); 375 } 376 377 // Instance variables to hold the values for command options. 378 379 bool m_use_commands; 380 bool m_use_script_language; 381 lldb::ScriptLanguage m_script_language; 382 383 // Instance variables to hold the values for one_liner options. 384 bool m_use_one_liner; 385 std::string m_one_liner; 386 bool m_stop_on_error; 387 std::string m_function_name; 388 }; 389 390 protected: 391 bool DoExecute(Args &command, CommandReturnObject &result) override { 392 Target *target = GetDebugger().GetSelectedTarget().get(); 393 394 if (target == nullptr) { 395 result.AppendError("There is not a current executable; there are no " 396 "watchpoints to which to add commands"); 397 result.SetStatus(eReturnStatusFailed); 398 return false; 399 } 400 401 const WatchpointList &watchpoints = target->GetWatchpointList(); 402 size_t num_watchpoints = watchpoints.GetSize(); 403 404 if (num_watchpoints == 0) { 405 result.AppendError("No watchpoints exist to have commands added"); 406 result.SetStatus(eReturnStatusFailed); 407 return false; 408 } 409 410 if (!m_options.m_use_script_language && 411 !m_options.m_function_name.empty()) { 412 result.AppendError("need to enable scripting to have a function run as a " 413 "watchpoint command"); 414 result.SetStatus(eReturnStatusFailed); 415 return false; 416 } 417 418 std::vector<uint32_t> valid_wp_ids; 419 if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 420 valid_wp_ids)) { 421 result.AppendError("Invalid watchpoints specification."); 422 result.SetStatus(eReturnStatusFailed); 423 return false; 424 } 425 426 result.SetStatus(eReturnStatusSuccessFinishNoResult); 427 const size_t count = valid_wp_ids.size(); 428 for (size_t i = 0; i < count; ++i) { 429 uint32_t cur_wp_id = valid_wp_ids.at(i); 430 if (cur_wp_id != LLDB_INVALID_WATCH_ID) { 431 Watchpoint *wp = target->GetWatchpointList().FindByID(cur_wp_id).get(); 432 // Sanity check wp first. 433 if (wp == nullptr) 434 continue; 435 436 WatchpointOptions *wp_options = wp->GetOptions(); 437 // Skip this watchpoint if wp_options is not good. 438 if (wp_options == nullptr) 439 continue; 440 441 // If we are using script language, get the script interpreter in order 442 // to set or collect command callback. Otherwise, call the methods 443 // associated with this object. 444 if (m_options.m_use_script_language) { 445 // Special handling for one-liner specified inline. 446 if (m_options.m_use_one_liner) { 447 GetDebugger().GetScriptInterpreter()->SetWatchpointCommandCallback( 448 wp_options, m_options.m_one_liner.c_str()); 449 } 450 // Special handling for using a Python function by name instead of 451 // extending the watchpoint callback data structures, we just 452 // automatize what the user would do manually: make their watchpoint 453 // command be a function call 454 else if (!m_options.m_function_name.empty()) { 455 std::string oneliner(m_options.m_function_name); 456 oneliner += "(frame, wp, internal_dict)"; 457 GetDebugger().GetScriptInterpreter()->SetWatchpointCommandCallback( 458 wp_options, oneliner.c_str()); 459 } else { 460 GetDebugger() 461 .GetScriptInterpreter() 462 ->CollectDataForWatchpointCommandCallback(wp_options, result); 463 } 464 } else { 465 // Special handling for one-liner specified inline. 466 if (m_options.m_use_one_liner) 467 SetWatchpointCommandCallback(wp_options, 468 m_options.m_one_liner.c_str()); 469 else 470 CollectDataForWatchpointCommandCallback(wp_options, result); 471 } 472 } 473 } 474 475 return result.Succeeded(); 476 } 477 478 private: 479 CommandOptions m_options; 480 }; 481 482 // CommandObjectWatchpointCommandDelete 483 484 class CommandObjectWatchpointCommandDelete : public CommandObjectParsed { 485 public: 486 CommandObjectWatchpointCommandDelete(CommandInterpreter &interpreter) 487 : CommandObjectParsed(interpreter, "delete", 488 "Delete the set of commands from a watchpoint.", 489 nullptr) { 490 CommandArgumentEntry arg; 491 CommandArgumentData wp_id_arg; 492 493 // Define the first (and only) variant of this arg. 494 wp_id_arg.arg_type = eArgTypeWatchpointID; 495 wp_id_arg.arg_repetition = eArgRepeatPlain; 496 497 // There is only one variant this argument could be; put it into the 498 // argument entry. 499 arg.push_back(wp_id_arg); 500 501 // Push the data for the first argument into the m_arguments vector. 502 m_arguments.push_back(arg); 503 } 504 505 ~CommandObjectWatchpointCommandDelete() override = default; 506 507 protected: 508 bool DoExecute(Args &command, CommandReturnObject &result) override { 509 Target *target = GetDebugger().GetSelectedTarget().get(); 510 511 if (target == nullptr) { 512 result.AppendError("There is not a current executable; there are no " 513 "watchpoints from which to delete commands"); 514 result.SetStatus(eReturnStatusFailed); 515 return false; 516 } 517 518 const WatchpointList &watchpoints = target->GetWatchpointList(); 519 size_t num_watchpoints = watchpoints.GetSize(); 520 521 if (num_watchpoints == 0) { 522 result.AppendError("No watchpoints exist to have commands deleted"); 523 result.SetStatus(eReturnStatusFailed); 524 return false; 525 } 526 527 if (command.GetArgumentCount() == 0) { 528 result.AppendError( 529 "No watchpoint specified from which to delete the commands"); 530 result.SetStatus(eReturnStatusFailed); 531 return false; 532 } 533 534 std::vector<uint32_t> valid_wp_ids; 535 if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 536 valid_wp_ids)) { 537 result.AppendError("Invalid watchpoints specification."); 538 result.SetStatus(eReturnStatusFailed); 539 return false; 540 } 541 542 result.SetStatus(eReturnStatusSuccessFinishNoResult); 543 const size_t count = valid_wp_ids.size(); 544 for (size_t i = 0; i < count; ++i) { 545 uint32_t cur_wp_id = valid_wp_ids.at(i); 546 if (cur_wp_id != LLDB_INVALID_WATCH_ID) { 547 Watchpoint *wp = target->GetWatchpointList().FindByID(cur_wp_id).get(); 548 if (wp) 549 wp->ClearCallback(); 550 } else { 551 result.AppendErrorWithFormat("Invalid watchpoint ID: %u.\n", cur_wp_id); 552 result.SetStatus(eReturnStatusFailed); 553 return false; 554 } 555 } 556 return result.Succeeded(); 557 } 558 }; 559 560 // CommandObjectWatchpointCommandList 561 562 class CommandObjectWatchpointCommandList : public CommandObjectParsed { 563 public: 564 CommandObjectWatchpointCommandList(CommandInterpreter &interpreter) 565 : CommandObjectParsed(interpreter, "list", "List the script or set of " 566 "commands to be executed when " 567 "the watchpoint is hit.", 568 nullptr) { 569 CommandArgumentEntry arg; 570 CommandArgumentData wp_id_arg; 571 572 // Define the first (and only) variant of this arg. 573 wp_id_arg.arg_type = eArgTypeWatchpointID; 574 wp_id_arg.arg_repetition = eArgRepeatPlain; 575 576 // There is only one variant this argument could be; put it into the 577 // argument entry. 578 arg.push_back(wp_id_arg); 579 580 // Push the data for the first argument into the m_arguments vector. 581 m_arguments.push_back(arg); 582 } 583 584 ~CommandObjectWatchpointCommandList() override = default; 585 586 protected: 587 bool DoExecute(Args &command, CommandReturnObject &result) override { 588 Target *target = GetDebugger().GetSelectedTarget().get(); 589 590 if (target == nullptr) { 591 result.AppendError("There is not a current executable; there are no " 592 "watchpoints for which to list commands"); 593 result.SetStatus(eReturnStatusFailed); 594 return false; 595 } 596 597 const WatchpointList &watchpoints = target->GetWatchpointList(); 598 size_t num_watchpoints = watchpoints.GetSize(); 599 600 if (num_watchpoints == 0) { 601 result.AppendError("No watchpoints exist for which to list commands"); 602 result.SetStatus(eReturnStatusFailed); 603 return false; 604 } 605 606 if (command.GetArgumentCount() == 0) { 607 result.AppendError( 608 "No watchpoint specified for which to list the commands"); 609 result.SetStatus(eReturnStatusFailed); 610 return false; 611 } 612 613 std::vector<uint32_t> valid_wp_ids; 614 if (!CommandObjectMultiwordWatchpoint::VerifyWatchpointIDs(target, command, 615 valid_wp_ids)) { 616 result.AppendError("Invalid watchpoints specification."); 617 result.SetStatus(eReturnStatusFailed); 618 return false; 619 } 620 621 result.SetStatus(eReturnStatusSuccessFinishNoResult); 622 const size_t count = valid_wp_ids.size(); 623 for (size_t i = 0; i < count; ++i) { 624 uint32_t cur_wp_id = valid_wp_ids.at(i); 625 if (cur_wp_id != LLDB_INVALID_WATCH_ID) { 626 Watchpoint *wp = target->GetWatchpointList().FindByID(cur_wp_id).get(); 627 628 if (wp) { 629 const WatchpointOptions *wp_options = wp->GetOptions(); 630 if (wp_options) { 631 // Get the callback baton associated with the current watchpoint. 632 const Baton *baton = wp_options->GetBaton(); 633 if (baton) { 634 result.GetOutputStream().Printf("Watchpoint %u:\n", cur_wp_id); 635 result.GetOutputStream().IndentMore(); 636 baton->GetDescription(&result.GetOutputStream(), 637 eDescriptionLevelFull); 638 result.GetOutputStream().IndentLess(); 639 } else { 640 result.AppendMessageWithFormat( 641 "Watchpoint %u does not have an associated command.\n", 642 cur_wp_id); 643 } 644 } 645 result.SetStatus(eReturnStatusSuccessFinishResult); 646 } else { 647 result.AppendErrorWithFormat("Invalid watchpoint ID: %u.\n", 648 cur_wp_id); 649 result.SetStatus(eReturnStatusFailed); 650 } 651 } 652 } 653 654 return result.Succeeded(); 655 } 656 }; 657 658 // CommandObjectWatchpointCommand 659 660 CommandObjectWatchpointCommand::CommandObjectWatchpointCommand( 661 CommandInterpreter &interpreter) 662 : CommandObjectMultiword( 663 interpreter, "command", 664 "Commands for adding, removing and examining LLDB commands " 665 "executed when the watchpoint is hit (watchpoint 'commands').", 666 "command <sub-command> [<sub-command-options>] <watchpoint-id>") { 667 CommandObjectSP add_command_object( 668 new CommandObjectWatchpointCommandAdd(interpreter)); 669 CommandObjectSP delete_command_object( 670 new CommandObjectWatchpointCommandDelete(interpreter)); 671 CommandObjectSP list_command_object( 672 new CommandObjectWatchpointCommandList(interpreter)); 673 674 add_command_object->SetCommandName("watchpoint command add"); 675 delete_command_object->SetCommandName("watchpoint command delete"); 676 list_command_object->SetCommandName("watchpoint command list"); 677 678 LoadSubCommand("add", add_command_object); 679 LoadSubCommand("delete", delete_command_object); 680 LoadSubCommand("list", list_command_object); 681 } 682 683 CommandObjectWatchpointCommand::~CommandObjectWatchpointCommand() = default; 684