1 //===-- CommandObjectBreakpoint.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 "CommandObjectBreakpoint.h" 11 #include "CommandObjectBreakpointCommand.h" 12 13 // C Includes 14 // C++ Includes 15 // Other libraries and framework includes 16 // Project includes 17 #include "lldb/Breakpoint/Breakpoint.h" 18 #include "lldb/Breakpoint/BreakpointIDList.h" 19 #include "lldb/Breakpoint/BreakpointLocation.h" 20 #include "lldb/Core/RegularExpression.h" 21 #include "lldb/Core/StreamString.h" 22 #include "lldb/Interpreter/CommandInterpreter.h" 23 #include "lldb/Interpreter/CommandReturnObject.h" 24 #include "lldb/Target/Target.h" 25 #include "lldb/Interpreter/CommandCompletions.h" 26 #include "lldb/Target/StackFrame.h" 27 28 using namespace lldb; 29 using namespace lldb_private; 30 31 static void 32 AddBreakpointDescription (CommandContext *context, StreamString *s, Breakpoint *bp, lldb::DescriptionLevel level) 33 { 34 s->IndentMore(); 35 bp->GetDescription (s, level, true); 36 s->IndentLess(); 37 s->EOL(); 38 } 39 40 //------------------------------------------------------------------------- 41 // CommandObjectBreakpointSet::CommandOptions 42 //------------------------------------------------------------------------- 43 44 CommandObjectBreakpointSet::CommandOptions::CommandOptions() : 45 Options (), 46 m_filename (), 47 m_line_num (0), 48 m_column (0), 49 m_ignore_inlines (false), 50 m_func_name (), 51 m_func_regexp (), 52 m_modules (), 53 m_load_addr() 54 { 55 BuildValidOptionSets(); 56 } 57 58 CommandObjectBreakpointSet::CommandOptions::~CommandOptions () 59 { 60 } 61 62 lldb::OptionDefinition 63 CommandObjectBreakpointSet::CommandOptions::g_option_table[] = 64 { 65 { 0, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, "<filename>", 66 "Set the breakpoint by source location in this particular file."}, 67 68 { 0, true, "line", 'l', required_argument, NULL, 0, "<linenum>", 69 "Set the breakpoint by source location at this particular line."}, 70 71 { 0, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, "<shlib-name>", 72 "Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."}, 73 74 // Comment out this option for the moment, as we don't actually use it, but will in the future. 75 // This way users won't see it, but the infrastructure is left in place. 76 // { 0, false, "column", 'c', required_argument, NULL, "<column>", 77 // "Set the breakpoint by source location at this particular column."}, 78 79 { 0, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL, 80 "Ignore inlined subroutines when setting the breakppoint." }, 81 82 { 1, true, "address", 'a', required_argument, NULL, 0, "<address>", 83 "Set the breakpoint by address, at the specified address."}, 84 85 { 1, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL, 86 "Ignore inlined subroutines when setting the breakppoint." }, 87 88 { 2, true, "name", 'n', required_argument, NULL, CommandCompletions::eSymbolCompletion, "<function-name>", 89 "Set the breakpoint by function name." }, 90 91 { 2, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, "<shlib-name>", 92 "Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."}, 93 94 { 2, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL, 95 "Ignore inlined subroutines when setting the breakpoint." }, 96 97 { 3, true, "func_regex", 'r', required_argument, NULL, 0, "<regular-expression>", 98 "Set the breakpoint by function name, evaluating a regular-expression to find the function name(s)." }, 99 100 { 3, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, "<shlib-name>", 101 "Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."}, 102 103 { 3, false, "ignore_inlines", 'i', no_argument, NULL, 0, NULL, 104 "Ignore inlined subroutines when setting the breakpoint." }, 105 106 { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } 107 }; 108 109 const lldb::OptionDefinition* 110 CommandObjectBreakpointSet::CommandOptions::GetDefinitions () 111 { 112 return g_option_table; 113 } 114 115 Error 116 CommandObjectBreakpointSet::CommandOptions::SetOptionValue (int option_idx, const char *option_arg) 117 { 118 Error error; 119 char short_option = (char) m_getopt_table[option_idx].val; 120 121 switch (short_option) 122 { 123 case 'a': 124 m_load_addr = Args::StringToUInt64(optarg, LLDB_INVALID_ADDRESS, 0); 125 if (m_load_addr == LLDB_INVALID_ADDRESS) 126 m_load_addr = Args::StringToUInt64(optarg, LLDB_INVALID_ADDRESS, 16); 127 128 if (m_load_addr == LLDB_INVALID_ADDRESS) 129 error.SetErrorStringWithFormat ("Invalid address string '%s'.\n", optarg); 130 break; 131 132 case 'c': 133 m_column = Args::StringToUInt32 (option_arg, 0); 134 break; 135 case 'f': 136 m_filename = option_arg; 137 break; 138 case 'i': 139 m_ignore_inlines = true; 140 break; 141 case 'l': 142 m_line_num = Args::StringToUInt32 (option_arg, 0); 143 break; 144 case 'n': 145 m_func_name = option_arg; 146 break; 147 case 'r': 148 m_func_regexp = option_arg; 149 break; 150 case 's': 151 { 152 m_modules.push_back (std::string (option_arg)); 153 break; 154 } 155 default: 156 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option); 157 break; 158 } 159 160 return error; 161 } 162 163 void 164 CommandObjectBreakpointSet::CommandOptions::ResetOptionValues () 165 { 166 Options::ResetOptionValues(); 167 168 m_filename.clear(); 169 m_line_num = 0; 170 m_column = 0; 171 m_ignore_inlines = false; 172 m_func_name.clear(); 173 m_func_regexp.clear(); 174 m_load_addr = LLDB_INVALID_ADDRESS; 175 m_modules.clear(); 176 } 177 178 //------------------------------------------------------------------------- 179 // CommandObjectBreakpointSet 180 //------------------------------------------------------------------------- 181 182 CommandObjectBreakpointSet::CommandObjectBreakpointSet () : 183 CommandObject ("breakpoint set", "Sets a breakpoint or set of breakpoints in the executable.", 184 "breakpoint set <cmd-options>") 185 { 186 } 187 188 CommandObjectBreakpointSet::~CommandObjectBreakpointSet () 189 { 190 } 191 192 Options * 193 CommandObjectBreakpointSet::GetOptions () 194 { 195 return &m_options; 196 } 197 198 bool 199 CommandObjectBreakpointSet::Execute 200 ( 201 Args& command, 202 CommandContext *context, 203 CommandInterpreter *interpreter, 204 CommandReturnObject &result 205 ) 206 { 207 Target *target = context->GetTarget(); 208 if (target == NULL) 209 { 210 result.AppendError ("Invalid target, set executable file using 'file' command."); 211 result.SetStatus (eReturnStatusFailed); 212 return false; 213 } 214 215 // The following are the various types of breakpoints that could be set: 216 // 1). -f -l -p [-s -g] (setting breakpoint by source location) 217 // 2). -a [-s -g] (setting breakpoint by address) 218 // 3). -n [-s -g] (setting breakpoint by function name) 219 // 4). -r [-s -g] (setting breakpoint by function name regular expression) 220 221 BreakpointSetType break_type = eSetTypeInvalid; 222 223 if (m_options.m_line_num != 0) 224 break_type = eSetTypeFileAndLine; 225 else if (m_options.m_load_addr != LLDB_INVALID_ADDRESS) 226 break_type = eSetTypeAddress; 227 else if (!m_options.m_func_name.empty()) 228 break_type = eSetTypeFunctionName; 229 else if (!m_options.m_func_regexp.empty()) 230 break_type = eSetTypeFunctionRegexp; 231 232 ModuleSP module_sp = target->GetExecutableModule(); 233 Breakpoint *bp = NULL; 234 FileSpec module; 235 bool use_module = false; 236 int num_modules = m_options.m_modules.size(); 237 238 if ((num_modules > 0) && (break_type != eSetTypeAddress)) 239 use_module = true; 240 241 switch (break_type) 242 { 243 case eSetTypeFileAndLine: // Breakpoint by source position 244 { 245 FileSpec file; 246 if (m_options.m_filename.empty()) 247 { 248 StackFrame *cur_frame = context->GetExecutionContext().frame; 249 if (cur_frame == NULL) 250 { 251 result.AppendError ("Attempting to set breakpoint by line number alone with no selected frame."); 252 result.SetStatus (eReturnStatusFailed); 253 break; 254 } 255 else if (!cur_frame->HasDebugInformation()) 256 { 257 result.AppendError ("Attempting to set breakpoint by line number alone but selected frame has no debug info."); 258 result.SetStatus (eReturnStatusFailed); 259 break; 260 } 261 else 262 { 263 const SymbolContext &context = cur_frame->GetSymbolContext(true); 264 if (context.line_entry.file) 265 { 266 file = context.line_entry.file; 267 } 268 else if (context.comp_unit != NULL) 269 { file = context.comp_unit; 270 } 271 else 272 { 273 result.AppendError ("Attempting to set breakpoint by line number alone but can't find the file for the selected frame."); 274 result.SetStatus (eReturnStatusFailed); 275 break; 276 } 277 } 278 } 279 else 280 { 281 file.SetFile(m_options.m_filename.c_str()); 282 } 283 284 if (use_module) 285 { 286 for (int i = 0; i < num_modules; ++i) 287 { 288 module.SetFile(m_options.m_modules[i].c_str()); 289 bp = target->CreateBreakpoint (&module, 290 file, 291 m_options.m_line_num, 292 m_options.m_ignore_inlines).get(); 293 if (bp) 294 { 295 StreamString &output_stream = result.GetOutputStream(); 296 output_stream.Printf ("Breakpoint created: "); 297 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 298 output_stream.EOL(); 299 result.SetStatus (eReturnStatusSuccessFinishResult); 300 } 301 else 302 { 303 result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n", 304 m_options.m_modules[i].c_str()); 305 result.SetStatus (eReturnStatusFailed); 306 } 307 } 308 } 309 else 310 bp = target->CreateBreakpoint (NULL, 311 file, 312 m_options.m_line_num, 313 m_options.m_ignore_inlines).get(); 314 } 315 break; 316 case eSetTypeAddress: // Breakpoint by address 317 bp = target->CreateBreakpoint (m_options.m_load_addr, false).get(); 318 break; 319 case eSetTypeFunctionName: // Breakpoint by function name 320 if (use_module) 321 { 322 for (int i = 0; i < num_modules; ++i) 323 { 324 module.SetFile(m_options.m_modules[i].c_str()); 325 bp = target->CreateBreakpoint (&module, m_options.m_func_name.c_str()).get(); 326 if (bp) 327 { 328 StreamString &output_stream = result.GetOutputStream(); 329 output_stream.Printf ("Breakpoint created: "); 330 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 331 output_stream.EOL(); 332 result.SetStatus (eReturnStatusSuccessFinishResult); 333 } 334 else 335 { 336 result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n", 337 m_options.m_modules[i].c_str()); 338 result.SetStatus (eReturnStatusFailed); 339 } 340 } 341 } 342 else 343 bp = target->CreateBreakpoint (NULL, m_options.m_func_name.c_str()).get(); 344 break; 345 case eSetTypeFunctionRegexp: // Breakpoint by regular expression function name 346 { 347 RegularExpression regexp(m_options.m_func_regexp.c_str()); 348 if (use_module) 349 { 350 for (int i = 0; i < num_modules; ++i) 351 { 352 module.SetFile(m_options.m_modules[i].c_str()); 353 bp = target->CreateBreakpoint (&module, regexp).get(); 354 if (bp) 355 { 356 StreamString &output_stream = result.GetOutputStream(); 357 output_stream.Printf ("Breakpoint created: "); 358 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 359 output_stream.EOL(); 360 result.SetStatus (eReturnStatusSuccessFinishResult); 361 } 362 else 363 { 364 result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n", 365 m_options.m_modules[i].c_str()); 366 result.SetStatus (eReturnStatusFailed); 367 } 368 } 369 } 370 else 371 bp = target->CreateBreakpoint (NULL, regexp).get(); 372 } 373 break; 374 default: 375 break; 376 } 377 378 if (bp && !use_module) 379 { 380 StreamString &output_stream = result.GetOutputStream(); 381 output_stream.Printf ("Breakpoint created: "); 382 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 383 output_stream.EOL(); 384 result.SetStatus (eReturnStatusSuccessFinishResult); 385 } 386 else if (!bp) 387 { 388 result.AppendError ("Breakpoint creation failed: No breakpoint created."); 389 result.SetStatus (eReturnStatusFailed); 390 } 391 392 return result.Succeeded(); 393 } 394 395 396 397 //------------------------------------------------------------------------- 398 // CommandObjectMultiwordBreakpoint 399 //------------------------------------------------------------------------- 400 401 CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter *interpreter) : 402 CommandObjectMultiword ("breakpoint", 403 "A set of commands for operating on breakpoints.", 404 "breakpoint <command> [<command-options>]") 405 { 406 bool status; 407 408 CommandObjectSP list_command_object (new CommandObjectBreakpointList ()); 409 CommandObjectSP delete_command_object (new CommandObjectBreakpointDelete ()); 410 CommandObjectSP enable_command_object (new CommandObjectBreakpointEnable ()); 411 CommandObjectSP disable_command_object (new CommandObjectBreakpointDisable ()); 412 CommandObjectSP set_command_object (new CommandObjectBreakpointSet ()); 413 CommandObjectSP command_command_object (new CommandObjectBreakpointCommand (interpreter)); 414 415 enable_command_object->SetCommandName("breakpoint enable"); 416 disable_command_object->SetCommandName("breakpoint disable"); 417 set_command_object->SetCommandName("breakpoint set"); 418 command_command_object->SetCommandName ("breakpoint command"); 419 list_command_object->SetCommandName ("breakpoint list"); 420 421 status = LoadSubCommand (list_command_object, "list", interpreter); 422 status = LoadSubCommand (enable_command_object, "enable", interpreter); 423 status = LoadSubCommand (disable_command_object, "disable", interpreter); 424 status = LoadSubCommand (delete_command_object, "delete", interpreter); 425 status = LoadSubCommand (set_command_object, "set", interpreter); 426 status = LoadSubCommand (command_command_object, "command", interpreter); 427 } 428 429 CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint () 430 { 431 } 432 433 void 434 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (Args &args, Target *target, CommandReturnObject &result, 435 BreakpointIDList *valid_ids) 436 { 437 // args can be strings representing 1). integers (for breakpoint ids) 438 // 2). the full breakpoint & location canonical representation 439 // 3). the word "to" or a hyphen, representing a range (in which case there 440 // had *better* be an entry both before & after of one of the first two types. 441 442 Args temp_args; 443 444 // Create a new Args variable to use; copy any non-breakpoint-id-ranges stuff directly from the old ARGS to 445 // the new TEMP_ARGS. Do not copy breakpoint id range strings over; instead generate a list of strings for 446 // all the breakpoint ids in the range, and shove all of those breakpoint id strings into TEMP_ARGS. 447 448 BreakpointIDList::FindAndReplaceIDRanges (args, target, result, temp_args); 449 450 // NOW, convert the list of breakpoint id strings in TEMP_ARGS into an actual BreakpointIDList: 451 452 valid_ids->InsertStringArray ((const char **) temp_args.GetArgumentVector(), temp_args.GetArgumentCount(), result); 453 454 // At this point, all of the breakpoint ids that the user passed in have been converted to breakpoint IDs 455 // and put into valid_ids. 456 457 if (result.Succeeded()) 458 { 459 // Now that we've converted everything from args into a list of breakpoint ids, go through our tentative list 460 // of breakpoint id's and verify that they correspond to valid/currently set breakpoints. 461 462 for (int i = 0; i < valid_ids->Size(); ++i) 463 { 464 BreakpointID cur_bp_id = valid_ids->GetBreakpointIDAtIndex (i); 465 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 466 if (breakpoint != NULL) 467 { 468 int num_locations = breakpoint->GetNumLocations(); 469 if (cur_bp_id.GetLocationID() > num_locations) 470 { 471 StreamString id_str; 472 BreakpointID::GetCanonicalReference (&id_str, cur_bp_id.GetBreakpointID(), 473 cur_bp_id.GetLocationID()); 474 i = valid_ids->Size() + 1; 475 result.AppendErrorWithFormat ("'%s' is not a currently valid breakpoint/location id.\n", 476 id_str.GetData()); 477 result.SetStatus (eReturnStatusFailed); 478 } 479 } 480 else 481 { 482 i = valid_ids->Size() + 1; 483 result.AppendErrorWithFormat ("'%d' is not a currently valid breakpoint id.\n", cur_bp_id.GetBreakpointID()); 484 result.SetStatus (eReturnStatusFailed); 485 } 486 } 487 } 488 } 489 490 //------------------------------------------------------------------------- 491 // CommandObjectBreakpointList::Options 492 //------------------------------------------------------------------------- 493 494 CommandObjectBreakpointList::CommandOptions::CommandOptions() : 495 Options (), 496 m_level (lldb::eDescriptionLevelFull) // Breakpoint List defaults to brief descriptions 497 { 498 BuildValidOptionSets(); 499 } 500 501 CommandObjectBreakpointList::CommandOptions::~CommandOptions () 502 { 503 } 504 505 lldb::OptionDefinition 506 CommandObjectBreakpointList::CommandOptions::g_option_table[] = 507 { 508 { 0, false, "brief", 'b', no_argument, NULL, 0, NULL, 509 "Give a brief description of the breakpoint (no location info)."}, 510 511 // FIXME: We need to add an "internal" command, and then add this sort of thing to it. 512 // But I need to see it for now, and don't want to wait. 513 { 0, false, "internal", 'i', no_argument, NULL, 0, NULL, 514 "Show debugger internal breakpoints" }, 515 516 { 1, false, "full", 'f', no_argument, NULL, 0, NULL, 517 "Give a full description of the breakpoint and its locations."}, 518 // DITTO FIXME 519 { 1, false, "internal", 'i', no_argument, NULL, 0, NULL, 520 "Show debugger internal breakpoints" }, 521 522 { 2, false, "verbose", 'v', no_argument, NULL, 0, NULL, 523 "Explain everything we know about the breakpoint (for debugging debugger bugs)." }, 524 // DITTO FIXME 525 { 2, false, "internal", 'i', no_argument, NULL, 0, NULL, 526 "Show debugger internal breakpoints" }, 527 528 { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } 529 }; 530 531 const lldb::OptionDefinition* 532 CommandObjectBreakpointList::CommandOptions::GetDefinitions () 533 { 534 return g_option_table; 535 } 536 537 Error 538 CommandObjectBreakpointList::CommandOptions::SetOptionValue (int option_idx, const char *option_arg) 539 { 540 Error error; 541 char short_option = (char) m_getopt_table[option_idx].val; 542 543 switch (short_option) 544 { 545 case 'b': 546 m_level = lldb::eDescriptionLevelBrief; 547 break; 548 case 'f': 549 m_level = lldb::eDescriptionLevelFull; 550 break; 551 case 'v': 552 m_level = lldb::eDescriptionLevelVerbose; 553 break; 554 case 'i': 555 m_internal = true; 556 break; 557 default: 558 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option); 559 break; 560 } 561 562 return error; 563 } 564 565 void 566 CommandObjectBreakpointList::CommandOptions::ResetOptionValues () 567 { 568 Options::ResetOptionValues(); 569 570 m_level = lldb::eDescriptionLevelFull; 571 m_internal = false; 572 } 573 574 //------------------------------------------------------------------------- 575 // CommandObjectBreakpointList 576 //------------------------------------------------------------------------- 577 578 CommandObjectBreakpointList::CommandObjectBreakpointList () : 579 CommandObject ("breakpoint list", 580 "List some or all breakpoints at configurable levels of detail.", 581 "breakpoint list [<breakpoint-id>]") 582 { 583 } 584 585 CommandObjectBreakpointList::~CommandObjectBreakpointList () 586 { 587 } 588 589 Options * 590 CommandObjectBreakpointList::GetOptions () 591 { 592 return &m_options; 593 } 594 595 bool 596 CommandObjectBreakpointList::Execute 597 ( 598 Args& args, 599 CommandContext *context, 600 CommandInterpreter *interpreter, 601 CommandReturnObject &result 602 ) 603 { 604 Target *target = context->GetTarget(); 605 if (target == NULL) 606 { 607 result.AppendError ("Invalid target, set executable file using 'file' command."); 608 result.SetStatus (eReturnStatusSuccessFinishNoResult); 609 return true; 610 } 611 612 const BreakpointList &breakpoints = target->GetBreakpointList(m_options.m_internal); 613 size_t num_breakpoints = breakpoints.GetSize(); 614 615 if (num_breakpoints == 0) 616 { 617 result.AppendMessage ("No breakpoints currently set."); 618 result.SetStatus (eReturnStatusSuccessFinishNoResult); 619 return true; 620 } 621 622 StreamString &output_stream = result.GetOutputStream(); 623 624 if (args.GetArgumentCount() == 0) 625 { 626 // No breakpoint selected; show info about all currently set breakpoints. 627 result.AppendMessage ("Current breakpoints:"); 628 for (int i = 0; i < num_breakpoints; ++i) 629 { 630 Breakpoint *breakpoint = breakpoints.GetBreakpointByIndex (i).get(); 631 AddBreakpointDescription (context, &output_stream, breakpoint, m_options.m_level); 632 } 633 result.SetStatus (eReturnStatusSuccessFinishNoResult); 634 } 635 else 636 { 637 // Particular breakpoints selected; show info about that breakpoint. 638 BreakpointIDList valid_bp_ids; 639 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 640 641 if (result.Succeeded()) 642 { 643 for (int i = 0; i < valid_bp_ids.Size(); ++i) 644 { 645 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 646 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 647 AddBreakpointDescription (context, &output_stream, breakpoint, m_options.m_level); 648 } 649 result.SetStatus (eReturnStatusSuccessFinishNoResult); 650 } 651 else 652 { 653 result.AppendError ("Invalid breakpoint id."); 654 result.SetStatus (eReturnStatusFailed); 655 } 656 } 657 658 return result.Succeeded(); 659 } 660 661 //------------------------------------------------------------------------- 662 // CommandObjectBreakpointEnable 663 //------------------------------------------------------------------------- 664 665 CommandObjectBreakpointEnable::CommandObjectBreakpointEnable () : 666 CommandObject ("enable", 667 "Enables the specified disabled breakpoint(s). If no breakpoints are specified, enables all of them.", 668 "breakpoint enable [<breakpoint-id> | <breakpoint-id-list>]") 669 { 670 // This command object can either be called via 'enable' or 'breakpoint enable'. Because it has two different 671 // potential invocation methods, we need to be a little tricky about generating the syntax string. 672 //StreamString tmp_string; 673 //tmp_string.Printf ("%s <breakpoint-id>", GetCommandName()); 674 //m_cmd_syntax.assign (tmp_string.GetData(), tmp_string.GetSize()); 675 } 676 677 678 CommandObjectBreakpointEnable::~CommandObjectBreakpointEnable () 679 { 680 } 681 682 683 bool 684 CommandObjectBreakpointEnable::Execute (Args& args, CommandContext *context, 685 CommandInterpreter *interpreter, CommandReturnObject &result) 686 { 687 Target *target = context->GetTarget(); 688 if (target == NULL) 689 { 690 result.AppendError ("Invalid target, set executable file using 'file' command."); 691 result.SetStatus (eReturnStatusFailed); 692 return false; 693 } 694 695 const BreakpointList &breakpoints = target->GetBreakpointList(); 696 size_t num_breakpoints = breakpoints.GetSize(); 697 698 if (num_breakpoints == 0) 699 { 700 result.AppendError ("No breakpoints exist to be enabled."); 701 result.SetStatus (eReturnStatusFailed); 702 return false; 703 } 704 705 if (args.GetArgumentCount() == 0) 706 { 707 // No breakpoint selected; enable all currently set breakpoints. 708 target->EnableAllBreakpoints (); 709 result.AppendMessageWithFormat ("All breakpoints enabled. (%d breakpoints)\n", num_breakpoints); 710 result.SetStatus (eReturnStatusSuccessFinishNoResult); 711 } 712 else 713 { 714 // Particular breakpoint selected; enable that breakpoint. 715 BreakpointIDList valid_bp_ids; 716 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 717 718 if (result.Succeeded()) 719 { 720 int enable_count = 0; 721 int loc_count = 0; 722 for (int i = 0; i < valid_bp_ids.Size(); ++i) 723 { 724 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 725 726 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 727 { 728 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 729 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 730 { 731 BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); 732 if (location) 733 { 734 location->SetEnabled (true); 735 breakpoint->SetEnabled (true); 736 ++loc_count; 737 } 738 } 739 else 740 { 741 target->EnableBreakpointByID (cur_bp_id.GetBreakpointID()); 742 ++enable_count; 743 744 int num_locations = breakpoint->GetNumLocations (); 745 for (int j = 0; j < num_locations; ++j) 746 { 747 BreakpointLocation *cur_loc = breakpoint->GetLocationAtIndex(j).get(); 748 if (cur_loc) 749 cur_loc->SetEnabled (true); 750 } 751 } 752 } 753 } 754 result.AppendMessageWithFormat ("%d breakpoints enabled.\n", enable_count + loc_count); 755 result.SetStatus (eReturnStatusSuccessFinishNoResult); 756 } 757 } 758 759 return result.Succeeded(); 760 } 761 762 //------------------------------------------------------------------------- 763 // CommandObjectBreakpointDisable 764 //------------------------------------------------------------------------- 765 766 CommandObjectBreakpointDisable::CommandObjectBreakpointDisable () : 767 CommandObject ("disable", 768 "Disables the specified breakpoint(s) without removing it/them. If no breakpoints are specified, disables them all.", 769 "disable [<breakpoint-id> | <breakpoint-id-list>]") 770 { 771 // This command object can either be called via 'enable' or 'breakpoint enable'. Because it has two different 772 // potential invocation methods, we need to be a little tricky about generating the syntax string. 773 //StreamString tmp_string; 774 //tmp_string.Printf ("%s <breakpoint-id>", GetCommandName()); 775 //m_cmd_syntax.assign(tmp_string.GetData(), tmp_string.GetSize()); 776 } 777 778 CommandObjectBreakpointDisable::~CommandObjectBreakpointDisable () 779 { 780 } 781 782 bool 783 CommandObjectBreakpointDisable::Execute (Args& args, CommandContext *context, 784 CommandInterpreter *interpreter, CommandReturnObject &result) 785 { 786 Target *target = context->GetTarget(); 787 if (target == NULL) 788 { 789 result.AppendError ("Invalid target, set executable file using 'file' command."); 790 result.SetStatus (eReturnStatusFailed); 791 return false; 792 } 793 794 const BreakpointList &breakpoints = target->GetBreakpointList(); 795 size_t num_breakpoints = breakpoints.GetSize(); 796 797 if (num_breakpoints == 0) 798 { 799 result.AppendError ("No breakpoints exist to be disabled."); 800 result.SetStatus (eReturnStatusFailed); 801 return false; 802 } 803 804 if (args.GetArgumentCount() == 0) 805 { 806 // No breakpoint selected; disable all currently set breakpoints. 807 target->DisableAllBreakpoints (); 808 result.AppendMessageWithFormat ("All breakpoints disabled. (%d breakpoints)\n", num_breakpoints); 809 result.SetStatus (eReturnStatusSuccessFinishNoResult); 810 } 811 else 812 { 813 // Particular breakpoint selected; disable that breakpoint. 814 BreakpointIDList valid_bp_ids; 815 816 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 817 818 if (result.Succeeded()) 819 { 820 int disable_count = 0; 821 int loc_count = 0; 822 for (int i = 0; i < valid_bp_ids.Size(); ++i) 823 { 824 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 825 826 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 827 { 828 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 829 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 830 { 831 BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); 832 if (location) 833 { 834 location->SetEnabled (false); 835 ++loc_count; 836 } 837 } 838 else 839 { 840 target->DisableBreakpointByID (cur_bp_id.GetBreakpointID()); 841 ++disable_count; 842 843 int num_locations = breakpoint->GetNumLocations(); 844 for (int j = 0; j < num_locations; ++j) 845 { 846 BreakpointLocation *cur_loc = breakpoint->GetLocationAtIndex(j).get(); 847 if (cur_loc) 848 cur_loc->SetEnabled (false); 849 } 850 } 851 } 852 } 853 result.AppendMessageWithFormat ("%d breakpoints disabled.\n", disable_count + loc_count); 854 result.SetStatus (eReturnStatusSuccessFinishNoResult); 855 } 856 } 857 858 return result.Succeeded(); 859 } 860 861 //------------------------------------------------------------------------- 862 // CommandObjectBreakpointDelete 863 //------------------------------------------------------------------------- 864 865 CommandObjectBreakpointDelete::CommandObjectBreakpointDelete() : 866 CommandObject ("breakpoint delete", 867 "Delete the specified breakpoint(s). If no breakpoints are specified, deletes them all.", 868 "breakpoint delete [<breakpoint-id> | <breakpoint-id-list>]") 869 { 870 } 871 872 873 CommandObjectBreakpointDelete::~CommandObjectBreakpointDelete () 874 { 875 } 876 877 bool 878 CommandObjectBreakpointDelete::Execute (Args& args, CommandContext *context, 879 CommandInterpreter *interpreter, CommandReturnObject &result) 880 { 881 Target *target = context->GetTarget(); 882 if (target == NULL) 883 { 884 result.AppendError ("Invalid target, set executable file using 'file' command."); 885 result.SetStatus (eReturnStatusFailed); 886 return false; 887 } 888 889 const BreakpointList &breakpoints = target->GetBreakpointList(); 890 size_t num_breakpoints = breakpoints.GetSize(); 891 892 if (num_breakpoints == 0) 893 { 894 result.AppendError ("No breakpoints exist to be deleted."); 895 result.SetStatus (eReturnStatusFailed); 896 return false; 897 } 898 899 if (args.GetArgumentCount() == 0) 900 { 901 // No breakpoint selected; disable all currently set breakpoints. 902 if (args.GetArgumentCount() != 0) 903 { 904 result.AppendErrorWithFormat ("Specify breakpoints to delete with the -i option.\n"); 905 result.SetStatus (eReturnStatusFailed); 906 return false; 907 } 908 909 target->RemoveAllBreakpoints (); 910 result.AppendMessageWithFormat ("All breakpoints removed. (%d breakpoints)\n", num_breakpoints); 911 result.SetStatus (eReturnStatusSuccessFinishNoResult); 912 } 913 else 914 { 915 // Particular breakpoint selected; disable that breakpoint. 916 BreakpointIDList valid_bp_ids; 917 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 918 919 if (result.Succeeded()) 920 { 921 int delete_count = 0; 922 int disable_count = 0; 923 for (int i = 0; i < valid_bp_ids.Size(); ++i) 924 { 925 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 926 927 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 928 { 929 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 930 { 931 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 932 BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); 933 // It makes no sense to try to delete individual locations, so we disable them instead. 934 if (location) 935 { 936 location->SetEnabled (false); 937 ++disable_count; 938 } 939 } 940 else 941 { 942 target->RemoveBreakpointByID (cur_bp_id.GetBreakpointID()); 943 ++delete_count; 944 } 945 } 946 } 947 result.AppendMessageWithFormat ("%d breakpoints deleted; %d breakpoint locations disabled.\n", 948 delete_count, disable_count); 949 result.SetStatus (eReturnStatusSuccessFinishNoResult); 950 } 951 } 952 return result.Succeeded(); 953 } 954