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/Interpreter/Options.h" 21 #include "lldb/Core/RegularExpression.h" 22 #include "lldb/Core/StreamString.h" 23 #include "lldb/Interpreter/CommandInterpreter.h" 24 #include "lldb/Interpreter/CommandReturnObject.h" 25 #include "lldb/Target/Target.h" 26 #include "lldb/Interpreter/CommandCompletions.h" 27 #include "lldb/Target/StackFrame.h" 28 #include "lldb/Target/Thread.h" 29 #include "lldb/Target/ThreadSpec.h" 30 31 #include <vector> 32 33 using namespace lldb; 34 using namespace lldb_private; 35 36 static void 37 AddBreakpointDescription (StreamString *s, Breakpoint *bp, lldb::DescriptionLevel level) 38 { 39 s->IndentMore(); 40 bp->GetDescription (s, level, true); 41 s->IndentLess(); 42 s->EOL(); 43 } 44 45 //------------------------------------------------------------------------- 46 // CommandObjectBreakpointSet::CommandOptions 47 //------------------------------------------------------------------------- 48 #pragma mark Set::CommandOptions 49 50 CommandObjectBreakpointSet::CommandOptions::CommandOptions() : 51 Options (), 52 m_filename (), 53 m_line_num (0), 54 m_column (0), 55 m_check_inlines (true), 56 m_func_name (), 57 m_func_name_type_mask (0), 58 m_func_regexp (), 59 m_modules (), 60 m_load_addr(), 61 m_ignore_count (0), 62 m_thread_id(LLDB_INVALID_THREAD_ID), 63 m_thread_index (UINT32_MAX), 64 m_thread_name(), 65 m_queue_name() 66 { 67 } 68 69 CommandObjectBreakpointSet::CommandOptions::~CommandOptions () 70 { 71 } 72 73 lldb::OptionDefinition 74 CommandObjectBreakpointSet::CommandOptions::g_option_table[] = 75 { 76 { LLDB_OPT_SET_ALL, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, eArgTypeShlibName, 77 "Set the breakpoint only in this shared library (can use this option multiple times for multiple shlibs)."}, 78 79 { LLDB_OPT_SET_ALL, false, "ignore-count", 'i', required_argument, NULL, 0, eArgTypeCount, 80 "Set the number of times this breakpoint is skipped before stopping." }, 81 82 { LLDB_OPT_SET_ALL, false, "thread-index", 'x', required_argument, NULL, NULL, eArgTypeThreadIndex, 83 "The breakpoint stops only for the thread whose index matches this argument."}, 84 85 { LLDB_OPT_SET_ALL, false, "thread-id", 't', required_argument, NULL, NULL, eArgTypeThreadID, 86 "The breakpoint stops only for the thread whose TID matches this argument."}, 87 88 { LLDB_OPT_SET_ALL, false, "thread-name", 'T', required_argument, NULL, NULL, eArgTypeThreadName, 89 "The breakpoint stops only for the thread whose thread name matches this argument."}, 90 91 { LLDB_OPT_SET_ALL, false, "queue-name", 'q', required_argument, NULL, NULL, eArgTypeQueueName, 92 "The breakpoint stops only for threads in the queue whose name is given by this argument."}, 93 94 { LLDB_OPT_SET_1, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename, 95 "Set the breakpoint by source location in this particular file."}, 96 97 { LLDB_OPT_SET_1, true, "line", 'l', required_argument, NULL, 0, eArgTypeLineNum, 98 "Set the breakpoint by source location at this particular line."}, 99 100 // Comment out this option for the moment, as we don't actually use it, but will in the future. 101 // This way users won't see it, but the infrastructure is left in place. 102 // { 0, false, "column", 'c', required_argument, NULL, "<column>", 103 // "Set the breakpoint by source location at this particular column."}, 104 105 { LLDB_OPT_SET_2, true, "address", 'a', required_argument, NULL, 0, eArgTypeAddress, 106 "Set the breakpoint by address, at the specified address."}, 107 108 { LLDB_OPT_SET_3, true, "name", 'n', required_argument, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName, 109 "Set the breakpoint by function name." }, 110 111 { LLDB_OPT_SET_4, true, "fullname", 'F', required_argument, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFullName, 112 "Set the breakpoint by fully qualified function names. For C++ this means namespaces and all arguemnts, and " 113 "for Objective C this means a full function prototype with class and selector." }, 114 115 { LLDB_OPT_SET_5, true, "selector", 'S', required_argument, NULL, 0, eArgTypeSelector, 116 "Set the breakpoint by ObjC selector name." }, 117 118 { LLDB_OPT_SET_6, true, "method", 'M', required_argument, NULL, 0, eArgTypeMethod, 119 "Set the breakpoint by C++ method names." }, 120 121 { LLDB_OPT_SET_7, true, "func-regex", 'r', required_argument, NULL, 0, eArgTypeRegularExpression, 122 "Set the breakpoint by function name, evaluating a regular-expression to find the function name(s)." }, 123 124 { LLDB_OPT_SET_8, true, "basename", 'b', required_argument, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName, 125 "Set the breakpoint by function basename (C++ namespaces and arguments will be ignored)." }, 126 127 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 128 }; 129 130 const lldb::OptionDefinition* 131 CommandObjectBreakpointSet::CommandOptions::GetDefinitions () 132 { 133 return g_option_table; 134 } 135 136 Error 137 CommandObjectBreakpointSet::CommandOptions::SetOptionValue (int option_idx, const char *option_arg) 138 { 139 Error error; 140 char short_option = (char) m_getopt_table[option_idx].val; 141 142 switch (short_option) 143 { 144 case 'a': 145 m_load_addr = Args::StringToUInt64(optarg, LLDB_INVALID_ADDRESS, 0); 146 if (m_load_addr == LLDB_INVALID_ADDRESS) 147 m_load_addr = Args::StringToUInt64(optarg, LLDB_INVALID_ADDRESS, 16); 148 149 if (m_load_addr == LLDB_INVALID_ADDRESS) 150 error.SetErrorStringWithFormat ("Invalid address string '%s'.\n", optarg); 151 break; 152 153 case 'c': 154 m_column = Args::StringToUInt32 (option_arg, 0); 155 break; 156 157 case 'f': 158 m_filename = option_arg; 159 break; 160 161 case 'l': 162 m_line_num = Args::StringToUInt32 (option_arg, 0); 163 break; 164 165 case 'b': 166 m_func_name = option_arg; 167 m_func_name_type_mask |= eFunctionNameTypeBase; 168 break; 169 170 case 'n': 171 m_func_name = option_arg; 172 m_func_name_type_mask |= eFunctionNameTypeAuto; 173 break; 174 175 case 'F': 176 m_func_name = option_arg; 177 m_func_name_type_mask |= eFunctionNameTypeFull; 178 break; 179 180 case 'S': 181 m_func_name = option_arg; 182 m_func_name_type_mask |= eFunctionNameTypeSelector; 183 break; 184 185 case 'M': 186 m_func_name = option_arg; 187 m_func_name_type_mask |= eFunctionNameTypeMethod; 188 break; 189 190 case 'r': 191 m_func_regexp = option_arg; 192 break; 193 194 case 's': 195 { 196 m_modules.push_back (std::string (option_arg)); 197 break; 198 } 199 case 'i': 200 { 201 m_ignore_count = Args::StringToUInt32(optarg, UINT32_MAX, 0); 202 if (m_ignore_count == UINT32_MAX) 203 error.SetErrorStringWithFormat ("Invalid ignore count '%s'.\n", optarg); 204 } 205 break; 206 case 't' : 207 { 208 m_thread_id = Args::StringToUInt64(optarg, LLDB_INVALID_THREAD_ID, 0); 209 if (m_thread_id == LLDB_INVALID_THREAD_ID) 210 error.SetErrorStringWithFormat ("Invalid thread id string '%s'.\n", optarg); 211 } 212 break; 213 case 'T': 214 m_thread_name = option_arg; 215 break; 216 case 'q': 217 m_queue_name = option_arg; 218 break; 219 case 'x': 220 { 221 m_thread_index = Args::StringToUInt32(optarg, UINT32_MAX, 0); 222 if (m_thread_id == UINT32_MAX) 223 error.SetErrorStringWithFormat ("Invalid thread index string '%s'.\n", optarg); 224 225 } 226 break; 227 default: 228 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option); 229 break; 230 } 231 232 return error; 233 } 234 235 void 236 CommandObjectBreakpointSet::CommandOptions::ResetOptionValues () 237 { 238 Options::ResetOptionValues(); 239 240 m_filename.clear(); 241 m_line_num = 0; 242 m_column = 0; 243 m_func_name.clear(); 244 m_func_name_type_mask = 0; 245 m_func_regexp.clear(); 246 m_load_addr = LLDB_INVALID_ADDRESS; 247 m_modules.clear(); 248 m_ignore_count = 0; 249 m_thread_id = LLDB_INVALID_THREAD_ID; 250 m_thread_index = UINT32_MAX; 251 m_thread_name.clear(); 252 m_queue_name.clear(); 253 } 254 255 //------------------------------------------------------------------------- 256 // CommandObjectBreakpointSet 257 //------------------------------------------------------------------------- 258 #pragma mark Set 259 260 CommandObjectBreakpointSet::CommandObjectBreakpointSet (CommandInterpreter &interpreter) : 261 CommandObject (interpreter, 262 "breakpoint set", 263 "Sets a breakpoint or set of breakpoints in the executable.", 264 "breakpoint set <cmd-options>") 265 { 266 } 267 268 CommandObjectBreakpointSet::~CommandObjectBreakpointSet () 269 { 270 } 271 272 Options * 273 CommandObjectBreakpointSet::GetOptions () 274 { 275 return &m_options; 276 } 277 278 bool 279 CommandObjectBreakpointSet::Execute 280 ( 281 Args& command, 282 CommandReturnObject &result 283 ) 284 { 285 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 286 if (target == NULL) 287 { 288 result.AppendError ("Invalid target. Must set target before setting breakpoints (see 'file' command)."); 289 result.SetStatus (eReturnStatusFailed); 290 return false; 291 } 292 293 // The following are the various types of breakpoints that could be set: 294 // 1). -f -l -p [-s -g] (setting breakpoint by source location) 295 // 2). -a [-s -g] (setting breakpoint by address) 296 // 3). -n [-s -g] (setting breakpoint by function name) 297 // 4). -r [-s -g] (setting breakpoint by function name regular expression) 298 299 BreakpointSetType break_type = eSetTypeInvalid; 300 301 if (m_options.m_line_num != 0) 302 break_type = eSetTypeFileAndLine; 303 else if (m_options.m_load_addr != LLDB_INVALID_ADDRESS) 304 break_type = eSetTypeAddress; 305 else if (!m_options.m_func_name.empty()) 306 break_type = eSetTypeFunctionName; 307 else if (!m_options.m_func_regexp.empty()) 308 break_type = eSetTypeFunctionRegexp; 309 310 ModuleSP module_sp = target->GetExecutableModule(); 311 Breakpoint *bp = NULL; 312 FileSpec module_spec; 313 bool use_module = false; 314 int num_modules = m_options.m_modules.size(); 315 316 if ((num_modules > 0) && (break_type != eSetTypeAddress)) 317 use_module = true; 318 319 switch (break_type) 320 { 321 case eSetTypeFileAndLine: // Breakpoint by source position 322 { 323 FileSpec file; 324 if (m_options.m_filename.empty()) 325 { 326 StackFrame *cur_frame = m_interpreter.GetDebugger().GetExecutionContext().frame; 327 if (cur_frame == NULL) 328 { 329 result.AppendError ("Attempting to set breakpoint by line number alone with no selected frame."); 330 result.SetStatus (eReturnStatusFailed); 331 break; 332 } 333 else if (!cur_frame->HasDebugInformation()) 334 { 335 result.AppendError ("Attempting to set breakpoint by line number alone but selected frame has no debug info."); 336 result.SetStatus (eReturnStatusFailed); 337 break; 338 } 339 else 340 { 341 const SymbolContext &context = cur_frame->GetSymbolContext(true); 342 if (context.line_entry.file) 343 { 344 file = context.line_entry.file; 345 } 346 else if (context.comp_unit != NULL) 347 { file = context.comp_unit; 348 } 349 else 350 { 351 result.AppendError ("Attempting to set breakpoint by line number alone but can't find the file for the selected frame."); 352 result.SetStatus (eReturnStatusFailed); 353 break; 354 } 355 } 356 } 357 else 358 { 359 file.SetFile(m_options.m_filename.c_str(), false); 360 } 361 362 if (use_module) 363 { 364 for (int i = 0; i < num_modules; ++i) 365 { 366 module_spec.SetFile(m_options.m_modules[i].c_str(), false); 367 bp = target->CreateBreakpoint (&module_spec, 368 file, 369 m_options.m_line_num, 370 m_options.m_check_inlines).get(); 371 if (bp) 372 { 373 StreamString &output_stream = result.GetOutputStream(); 374 output_stream.Printf ("Breakpoint created: "); 375 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 376 output_stream.EOL(); 377 if (bp->GetNumLocations() == 0) 378 output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual" 379 " locations.\n"); 380 result.SetStatus (eReturnStatusSuccessFinishResult); 381 } 382 else 383 { 384 result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n", 385 m_options.m_modules[i].c_str()); 386 result.SetStatus (eReturnStatusFailed); 387 } 388 } 389 } 390 else 391 bp = target->CreateBreakpoint (NULL, 392 file, 393 m_options.m_line_num, 394 m_options.m_check_inlines).get(); 395 } 396 break; 397 398 case eSetTypeAddress: // Breakpoint by address 399 bp = target->CreateBreakpoint (m_options.m_load_addr, false).get(); 400 break; 401 402 case eSetTypeFunctionName: // Breakpoint by function name 403 { 404 uint32_t name_type_mask = m_options.m_func_name_type_mask; 405 406 if (name_type_mask == 0) 407 name_type_mask = eFunctionNameTypeAuto; 408 409 if (use_module) 410 { 411 for (int i = 0; i < num_modules; ++i) 412 { 413 module_spec.SetFile(m_options.m_modules[i].c_str(), false); 414 bp = target->CreateBreakpoint (&module_spec, 415 m_options.m_func_name.c_str(), 416 name_type_mask, 417 Breakpoint::Exact).get(); 418 if (bp) 419 { 420 StreamString &output_stream = result.GetOutputStream(); 421 output_stream.Printf ("Breakpoint created: "); 422 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 423 output_stream.EOL(); 424 if (bp->GetNumLocations() == 0) 425 output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual" 426 " locations.\n"); 427 result.SetStatus (eReturnStatusSuccessFinishResult); 428 } 429 else 430 { 431 result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n", 432 m_options.m_modules[i].c_str()); 433 result.SetStatus (eReturnStatusFailed); 434 } 435 } 436 } 437 else 438 bp = target->CreateBreakpoint (NULL, m_options.m_func_name.c_str(), name_type_mask, Breakpoint::Exact).get(); 439 } 440 break; 441 442 case eSetTypeFunctionRegexp: // Breakpoint by regular expression function name 443 { 444 RegularExpression regexp(m_options.m_func_regexp.c_str()); 445 if (use_module) 446 { 447 for (int i = 0; i < num_modules; ++i) 448 { 449 module_spec.SetFile(m_options.m_modules[i].c_str(), false); 450 bp = target->CreateBreakpoint (&module_spec, regexp).get(); 451 if (bp) 452 { 453 StreamString &output_stream = result.GetOutputStream(); 454 output_stream.Printf ("Breakpoint created: "); 455 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 456 output_stream.EOL(); 457 if (bp->GetNumLocations() == 0) 458 output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual" 459 " locations.\n"); 460 result.SetStatus (eReturnStatusSuccessFinishResult); 461 } 462 else 463 { 464 result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n", 465 m_options.m_modules[i].c_str()); 466 result.SetStatus (eReturnStatusFailed); 467 } 468 } 469 } 470 else 471 bp = target->CreateBreakpoint (NULL, regexp).get(); 472 } 473 break; 474 475 default: 476 break; 477 } 478 479 // Now set the various options that were passed in: 480 if (bp) 481 { 482 if (m_options.m_thread_id != LLDB_INVALID_THREAD_ID) 483 bp->SetThreadID (m_options.m_thread_id); 484 485 if (m_options.m_thread_index != UINT32_MAX) 486 bp->GetOptions()->GetThreadSpec()->SetIndex(m_options.m_thread_index); 487 488 if (!m_options.m_thread_name.empty()) 489 bp->GetOptions()->GetThreadSpec()->SetName(m_options.m_thread_name.c_str()); 490 491 if (!m_options.m_queue_name.empty()) 492 bp->GetOptions()->GetThreadSpec()->SetQueueName(m_options.m_queue_name.c_str()); 493 494 if (m_options.m_ignore_count != 0) 495 bp->GetOptions()->SetIgnoreCount(m_options.m_ignore_count); 496 } 497 498 if (bp && !use_module) 499 { 500 StreamString &output_stream = result.GetOutputStream(); 501 output_stream.Printf ("Breakpoint created: "); 502 bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief); 503 output_stream.EOL(); 504 if (bp->GetNumLocations() == 0) 505 output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual locations.\n"); 506 result.SetStatus (eReturnStatusSuccessFinishResult); 507 } 508 else if (!bp) 509 { 510 result.AppendError ("Breakpoint creation failed: No breakpoint created."); 511 result.SetStatus (eReturnStatusFailed); 512 } 513 514 return result.Succeeded(); 515 } 516 517 //------------------------------------------------------------------------- 518 // CommandObjectMultiwordBreakpoint 519 //------------------------------------------------------------------------- 520 #pragma mark MultiwordBreakpoint 521 522 CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter &interpreter) : 523 CommandObjectMultiword (interpreter, 524 "breakpoint", 525 "A set of commands for operating on breakpoints. Also see regexp-break.", 526 "breakpoint <command> [<command-options>]") 527 { 528 bool status; 529 530 CommandObjectSP list_command_object (new CommandObjectBreakpointList (interpreter)); 531 CommandObjectSP enable_command_object (new CommandObjectBreakpointEnable (interpreter)); 532 CommandObjectSP disable_command_object (new CommandObjectBreakpointDisable (interpreter)); 533 CommandObjectSP clear_command_object (new CommandObjectBreakpointClear (interpreter)); 534 CommandObjectSP delete_command_object (new CommandObjectBreakpointDelete (interpreter)); 535 CommandObjectSP set_command_object (new CommandObjectBreakpointSet (interpreter)); 536 CommandObjectSP command_command_object (new CommandObjectBreakpointCommand (interpreter)); 537 CommandObjectSP modify_command_object (new CommandObjectBreakpointModify(interpreter)); 538 539 list_command_object->SetCommandName ("breakpoint list"); 540 enable_command_object->SetCommandName("breakpoint enable"); 541 disable_command_object->SetCommandName("breakpoint disable"); 542 clear_command_object->SetCommandName("breakpoint clear"); 543 delete_command_object->SetCommandName("breakpoint delete"); 544 set_command_object->SetCommandName("breakpoint set"); 545 command_command_object->SetCommandName ("breakpoint command"); 546 modify_command_object->SetCommandName ("breakpoint modify"); 547 548 status = LoadSubCommand ("list", list_command_object); 549 status = LoadSubCommand ("enable", enable_command_object); 550 status = LoadSubCommand ("disable", disable_command_object); 551 status = LoadSubCommand ("clear", clear_command_object); 552 status = LoadSubCommand ("delete", delete_command_object); 553 status = LoadSubCommand ("set", set_command_object); 554 status = LoadSubCommand ("command", command_command_object); 555 status = LoadSubCommand ("modify", modify_command_object); 556 } 557 558 CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint () 559 { 560 } 561 562 void 563 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (Args &args, Target *target, CommandReturnObject &result, 564 BreakpointIDList *valid_ids) 565 { 566 // args can be strings representing 1). integers (for breakpoint ids) 567 // 2). the full breakpoint & location canonical representation 568 // 3). the word "to" or a hyphen, representing a range (in which case there 569 // had *better* be an entry both before & after of one of the first two types. 570 // If args is empty, we will use the last created breakpoint (if there is one.) 571 572 Args temp_args; 573 574 if (args.GetArgumentCount() == 0) 575 { 576 if (target->GetLastCreatedBreakpoint() != NULL) 577 { 578 valid_ids->AddBreakpointID (BreakpointID(target->GetLastCreatedBreakpoint()->GetID(), LLDB_INVALID_BREAK_ID)); 579 result.SetStatus (eReturnStatusSuccessFinishNoResult); 580 } 581 else 582 { 583 result.AppendError("No breakpoint specified and no last created breakpoint."); 584 result.SetStatus (eReturnStatusFailed); 585 } 586 return; 587 } 588 589 // Create a new Args variable to use; copy any non-breakpoint-id-ranges stuff directly from the old ARGS to 590 // the new TEMP_ARGS. Do not copy breakpoint id range strings over; instead generate a list of strings for 591 // all the breakpoint ids in the range, and shove all of those breakpoint id strings into TEMP_ARGS. 592 593 BreakpointIDList::FindAndReplaceIDRanges (args, target, result, temp_args); 594 595 // NOW, convert the list of breakpoint id strings in TEMP_ARGS into an actual BreakpointIDList: 596 597 valid_ids->InsertStringArray (temp_args.GetConstArgumentVector(), temp_args.GetArgumentCount(), result); 598 599 // At this point, all of the breakpoint ids that the user passed in have been converted to breakpoint IDs 600 // and put into valid_ids. 601 602 if (result.Succeeded()) 603 { 604 // Now that we've converted everything from args into a list of breakpoint ids, go through our tentative list 605 // of breakpoint id's and verify that they correspond to valid/currently set breakpoints. 606 607 const size_t count = valid_ids->GetSize(); 608 for (size_t i = 0; i < count; ++i) 609 { 610 BreakpointID cur_bp_id = valid_ids->GetBreakpointIDAtIndex (i); 611 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 612 if (breakpoint != NULL) 613 { 614 int num_locations = breakpoint->GetNumLocations(); 615 if (cur_bp_id.GetLocationID() > num_locations) 616 { 617 StreamString id_str; 618 BreakpointID::GetCanonicalReference (&id_str, 619 cur_bp_id.GetBreakpointID(), 620 cur_bp_id.GetLocationID()); 621 i = valid_ids->GetSize() + 1; 622 result.AppendErrorWithFormat ("'%s' is not a currently valid breakpoint/location id.\n", 623 id_str.GetData()); 624 result.SetStatus (eReturnStatusFailed); 625 } 626 } 627 else 628 { 629 i = valid_ids->GetSize() + 1; 630 result.AppendErrorWithFormat ("'%d' is not a currently valid breakpoint id.\n", cur_bp_id.GetBreakpointID()); 631 result.SetStatus (eReturnStatusFailed); 632 } 633 } 634 } 635 } 636 637 //------------------------------------------------------------------------- 638 // CommandObjectBreakpointList::Options 639 //------------------------------------------------------------------------- 640 #pragma mark List::CommandOptions 641 642 CommandObjectBreakpointList::CommandOptions::CommandOptions() : 643 Options (), 644 m_level (lldb::eDescriptionLevelFull) // Breakpoint List defaults to brief descriptions 645 { 646 } 647 648 CommandObjectBreakpointList::CommandOptions::~CommandOptions () 649 { 650 } 651 652 lldb::OptionDefinition 653 CommandObjectBreakpointList::CommandOptions::g_option_table[] = 654 { 655 { LLDB_OPT_SET_ALL, false, "internal", 'i', no_argument, NULL, 0, eArgTypeNone, 656 "Show debugger internal breakpoints" }, 657 658 { LLDB_OPT_SET_1, false, "brief", 'b', no_argument, NULL, 0, eArgTypeNone, 659 "Give a brief description of the breakpoint (no location info)."}, 660 661 // FIXME: We need to add an "internal" command, and then add this sort of thing to it. 662 // But I need to see it for now, and don't want to wait. 663 { LLDB_OPT_SET_2, false, "full", 'f', no_argument, NULL, 0, eArgTypeNone, 664 "Give a full description of the breakpoint and its locations."}, 665 666 { LLDB_OPT_SET_3, false, "verbose", 'v', no_argument, NULL, 0, eArgTypeNone, 667 "Explain everything we know about the breakpoint (for debugging debugger bugs)." }, 668 669 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 670 }; 671 672 const lldb::OptionDefinition* 673 CommandObjectBreakpointList::CommandOptions::GetDefinitions () 674 { 675 return g_option_table; 676 } 677 678 Error 679 CommandObjectBreakpointList::CommandOptions::SetOptionValue (int option_idx, const char *option_arg) 680 { 681 Error error; 682 char short_option = (char) m_getopt_table[option_idx].val; 683 684 switch (short_option) 685 { 686 case 'b': 687 m_level = lldb::eDescriptionLevelBrief; 688 break; 689 case 'f': 690 m_level = lldb::eDescriptionLevelFull; 691 break; 692 case 'v': 693 m_level = lldb::eDescriptionLevelVerbose; 694 break; 695 case 'i': 696 m_internal = true; 697 break; 698 default: 699 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option); 700 break; 701 } 702 703 return error; 704 } 705 706 void 707 CommandObjectBreakpointList::CommandOptions::ResetOptionValues () 708 { 709 Options::ResetOptionValues(); 710 711 m_level = lldb::eDescriptionLevelFull; 712 m_internal = false; 713 } 714 715 //------------------------------------------------------------------------- 716 // CommandObjectBreakpointList 717 //------------------------------------------------------------------------- 718 #pragma mark List 719 720 CommandObjectBreakpointList::CommandObjectBreakpointList (CommandInterpreter &interpreter) : 721 CommandObject (interpreter, 722 "breakpoint list", 723 "List some or all breakpoints at configurable levels of detail.", 724 NULL) 725 { 726 CommandArgumentEntry arg; 727 CommandArgumentData bp_id_arg; 728 729 // Define the first (and only) variant of this arg. 730 bp_id_arg.arg_type = eArgTypeBreakpointID; 731 bp_id_arg.arg_repetition = eArgRepeatOptional; 732 733 // There is only one variant this argument could be; put it into the argument entry. 734 arg.push_back (bp_id_arg); 735 736 // Push the data for the first argument into the m_arguments vector. 737 m_arguments.push_back (arg); 738 } 739 740 CommandObjectBreakpointList::~CommandObjectBreakpointList () 741 { 742 } 743 744 Options * 745 CommandObjectBreakpointList::GetOptions () 746 { 747 return &m_options; 748 } 749 750 bool 751 CommandObjectBreakpointList::Execute 752 ( 753 Args& args, 754 CommandReturnObject &result 755 ) 756 { 757 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 758 if (target == NULL) 759 { 760 result.AppendError ("Invalid target. No current target or breakpoints."); 761 result.SetStatus (eReturnStatusSuccessFinishNoResult); 762 return true; 763 } 764 765 const BreakpointList &breakpoints = target->GetBreakpointList(m_options.m_internal); 766 Mutex::Locker locker; 767 target->GetBreakpointList(m_options.m_internal).GetListMutex(locker); 768 769 size_t num_breakpoints = breakpoints.GetSize(); 770 771 if (num_breakpoints == 0) 772 { 773 result.AppendMessage ("No breakpoints currently set."); 774 result.SetStatus (eReturnStatusSuccessFinishNoResult); 775 return true; 776 } 777 778 StreamString &output_stream = result.GetOutputStream(); 779 780 if (args.GetArgumentCount() == 0) 781 { 782 // No breakpoint selected; show info about all currently set breakpoints. 783 result.AppendMessage ("Current breakpoints:"); 784 for (size_t i = 0; i < num_breakpoints; ++i) 785 { 786 Breakpoint *breakpoint = breakpoints.GetBreakpointAtIndex (i).get(); 787 AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level); 788 } 789 result.SetStatus (eReturnStatusSuccessFinishNoResult); 790 } 791 else 792 { 793 // Particular breakpoints selected; show info about that breakpoint. 794 BreakpointIDList valid_bp_ids; 795 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 796 797 if (result.Succeeded()) 798 { 799 for (size_t i = 0; i < valid_bp_ids.GetSize(); ++i) 800 { 801 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 802 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 803 AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level); 804 } 805 result.SetStatus (eReturnStatusSuccessFinishNoResult); 806 } 807 else 808 { 809 result.AppendError ("Invalid breakpoint id."); 810 result.SetStatus (eReturnStatusFailed); 811 } 812 } 813 814 return result.Succeeded(); 815 } 816 817 //------------------------------------------------------------------------- 818 // CommandObjectBreakpointEnable 819 //------------------------------------------------------------------------- 820 #pragma mark Enable 821 822 CommandObjectBreakpointEnable::CommandObjectBreakpointEnable (CommandInterpreter &interpreter) : 823 CommandObject (interpreter, 824 "enable", 825 "Enable the specified disabled breakpoint(s). If no breakpoints are specified, enable all of them.", 826 NULL) 827 { 828 CommandArgumentEntry arg; 829 CommandArgumentData bp_id_arg; 830 CommandArgumentData bp_id_range_arg; 831 832 // Create the first variant for the first (and only) argument for this command. 833 bp_id_arg.arg_type = eArgTypeBreakpointID; 834 bp_id_arg.arg_repetition = eArgRepeatOptional; 835 836 // Create the second variant for the first (and only) argument for this command. 837 bp_id_range_arg.arg_type = eArgTypeBreakpointIDRange; 838 bp_id_range_arg.arg_repetition = eArgRepeatOptional; 839 840 // The first (and only) argument for this command could be either a bp_id or a bp_id_range. 841 // Push both variants into the entry for the first argument for this command. 842 arg.push_back (bp_id_arg); 843 arg.push_back (bp_id_range_arg); 844 845 // Add the entry for the first argument for this command to the object's arguments vector. 846 m_arguments.push_back (arg); 847 } 848 849 850 CommandObjectBreakpointEnable::~CommandObjectBreakpointEnable () 851 { 852 } 853 854 855 bool 856 CommandObjectBreakpointEnable::Execute 857 ( 858 Args& args, 859 CommandReturnObject &result 860 ) 861 { 862 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 863 if (target == NULL) 864 { 865 result.AppendError ("Invalid target. No existing target or breakpoints."); 866 result.SetStatus (eReturnStatusFailed); 867 return false; 868 } 869 870 Mutex::Locker locker; 871 target->GetBreakpointList().GetListMutex(locker); 872 873 const BreakpointList &breakpoints = target->GetBreakpointList(); 874 875 size_t num_breakpoints = breakpoints.GetSize(); 876 877 if (num_breakpoints == 0) 878 { 879 result.AppendError ("No breakpoints exist to be enabled."); 880 result.SetStatus (eReturnStatusFailed); 881 return false; 882 } 883 884 if (args.GetArgumentCount() == 0) 885 { 886 // No breakpoint selected; enable all currently set breakpoints. 887 target->EnableAllBreakpoints (); 888 result.AppendMessageWithFormat ("All breakpoints enabled. (%d breakpoints)\n", num_breakpoints); 889 result.SetStatus (eReturnStatusSuccessFinishNoResult); 890 } 891 else 892 { 893 // Particular breakpoint selected; enable that breakpoint. 894 BreakpointIDList valid_bp_ids; 895 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 896 897 if (result.Succeeded()) 898 { 899 int enable_count = 0; 900 int loc_count = 0; 901 const size_t count = valid_bp_ids.GetSize(); 902 for (size_t i = 0; i < count; ++i) 903 { 904 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 905 906 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 907 { 908 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 909 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 910 { 911 BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); 912 if (location) 913 { 914 location->SetEnabled (true); 915 ++loc_count; 916 } 917 } 918 else 919 { 920 breakpoint->SetEnabled (true); 921 ++enable_count; 922 } 923 } 924 } 925 result.AppendMessageWithFormat ("%d breakpoints enabled.\n", enable_count + loc_count); 926 result.SetStatus (eReturnStatusSuccessFinishNoResult); 927 } 928 } 929 930 return result.Succeeded(); 931 } 932 933 //------------------------------------------------------------------------- 934 // CommandObjectBreakpointDisable 935 //------------------------------------------------------------------------- 936 #pragma mark Disable 937 938 CommandObjectBreakpointDisable::CommandObjectBreakpointDisable (CommandInterpreter &interpreter) : 939 CommandObject (interpreter, 940 "breakpoint disable", 941 "Disable the specified breakpoint(s) without removing it/them. If no breakpoints are specified, disable them all.", 942 NULL) 943 { 944 CommandArgumentEntry arg; 945 CommandArgumentData bp_id_arg; 946 CommandArgumentData bp_id_range_arg; 947 948 // Create the first variant for the first (and only) argument for this command. 949 bp_id_arg.arg_type = eArgTypeBreakpointID; 950 bp_id_arg.arg_repetition = eArgRepeatOptional; 951 952 // Create the second variant for the first (and only) argument for this command. 953 bp_id_range_arg.arg_type = eArgTypeBreakpointIDRange; 954 bp_id_range_arg.arg_repetition = eArgRepeatOptional; 955 956 // The first (and only) argument for this command could be either a bp_id or a bp_id_range. 957 // Push both variants into the entry for the first argument for this command. 958 arg.push_back (bp_id_arg); 959 arg.push_back (bp_id_range_arg); 960 961 // Add the entry for the first argument for this command to the object's arguments vector. 962 m_arguments.push_back (arg); 963 } 964 965 CommandObjectBreakpointDisable::~CommandObjectBreakpointDisable () 966 { 967 } 968 969 bool 970 CommandObjectBreakpointDisable::Execute 971 ( 972 Args& args, 973 CommandReturnObject &result 974 ) 975 { 976 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 977 if (target == NULL) 978 { 979 result.AppendError ("Invalid target. No existing target or breakpoints."); 980 result.SetStatus (eReturnStatusFailed); 981 return false; 982 } 983 984 Mutex::Locker locker; 985 target->GetBreakpointList().GetListMutex(locker); 986 987 const BreakpointList &breakpoints = target->GetBreakpointList(); 988 size_t num_breakpoints = breakpoints.GetSize(); 989 990 if (num_breakpoints == 0) 991 { 992 result.AppendError ("No breakpoints exist to be disabled."); 993 result.SetStatus (eReturnStatusFailed); 994 return false; 995 } 996 997 if (args.GetArgumentCount() == 0) 998 { 999 // No breakpoint selected; disable all currently set breakpoints. 1000 target->DisableAllBreakpoints (); 1001 result.AppendMessageWithFormat ("All breakpoints disabled. (%d breakpoints)\n", num_breakpoints); 1002 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1003 } 1004 else 1005 { 1006 // Particular breakpoint selected; disable that breakpoint. 1007 BreakpointIDList valid_bp_ids; 1008 1009 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 1010 1011 if (result.Succeeded()) 1012 { 1013 int disable_count = 0; 1014 int loc_count = 0; 1015 const size_t count = valid_bp_ids.GetSize(); 1016 for (size_t i = 0; i < count; ++i) 1017 { 1018 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 1019 1020 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 1021 { 1022 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 1023 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 1024 { 1025 BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); 1026 if (location) 1027 { 1028 location->SetEnabled (false); 1029 ++loc_count; 1030 } 1031 } 1032 else 1033 { 1034 breakpoint->SetEnabled (false); 1035 ++disable_count; 1036 } 1037 } 1038 } 1039 result.AppendMessageWithFormat ("%d breakpoints disabled.\n", disable_count + loc_count); 1040 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1041 } 1042 } 1043 1044 return result.Succeeded(); 1045 } 1046 1047 //------------------------------------------------------------------------- 1048 // CommandObjectBreakpointClear::CommandOptions 1049 //------------------------------------------------------------------------- 1050 #pragma mark Clear::CommandOptions 1051 1052 CommandObjectBreakpointClear::CommandOptions::CommandOptions() : 1053 Options (), 1054 m_filename (), 1055 m_line_num (0) 1056 { 1057 } 1058 1059 CommandObjectBreakpointClear::CommandOptions::~CommandOptions () 1060 { 1061 } 1062 1063 lldb::OptionDefinition 1064 CommandObjectBreakpointClear::CommandOptions::g_option_table[] = 1065 { 1066 { LLDB_OPT_SET_1, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename, 1067 "Specify the breakpoint by source location in this particular file."}, 1068 1069 { LLDB_OPT_SET_1, true, "line", 'l', required_argument, NULL, 0, eArgTypeLineNum, 1070 "Specify the breakpoint by source location at this particular line."}, 1071 1072 { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } 1073 }; 1074 1075 const lldb::OptionDefinition* 1076 CommandObjectBreakpointClear::CommandOptions::GetDefinitions () 1077 { 1078 return g_option_table; 1079 } 1080 1081 Error 1082 CommandObjectBreakpointClear::CommandOptions::SetOptionValue (int option_idx, const char *option_arg) 1083 { 1084 Error error; 1085 char short_option = (char) m_getopt_table[option_idx].val; 1086 1087 switch (short_option) 1088 { 1089 case 'f': 1090 m_filename = option_arg; 1091 break; 1092 1093 case 'l': 1094 m_line_num = Args::StringToUInt32 (option_arg, 0); 1095 break; 1096 1097 default: 1098 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option); 1099 break; 1100 } 1101 1102 return error; 1103 } 1104 1105 void 1106 CommandObjectBreakpointClear::CommandOptions::ResetOptionValues () 1107 { 1108 Options::ResetOptionValues(); 1109 1110 m_filename.clear(); 1111 m_line_num = 0; 1112 } 1113 1114 //------------------------------------------------------------------------- 1115 // CommandObjectBreakpointClear 1116 //------------------------------------------------------------------------- 1117 #pragma mark Clear 1118 1119 CommandObjectBreakpointClear::CommandObjectBreakpointClear (CommandInterpreter &interpreter) : 1120 CommandObject (interpreter, 1121 "breakpoint clear", 1122 "Clears a breakpoint or set of breakpoints in the executable.", 1123 "breakpoint clear <cmd-options>") 1124 { 1125 } 1126 1127 CommandObjectBreakpointClear::~CommandObjectBreakpointClear () 1128 { 1129 } 1130 1131 Options * 1132 CommandObjectBreakpointClear::GetOptions () 1133 { 1134 return &m_options; 1135 } 1136 1137 bool 1138 CommandObjectBreakpointClear::Execute 1139 ( 1140 Args& command, 1141 CommandReturnObject &result 1142 ) 1143 { 1144 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 1145 if (target == NULL) 1146 { 1147 result.AppendError ("Invalid target. No existing target or breakpoints."); 1148 result.SetStatus (eReturnStatusFailed); 1149 return false; 1150 } 1151 1152 // The following are the various types of breakpoints that could be cleared: 1153 // 1). -f -l (clearing breakpoint by source location) 1154 1155 BreakpointClearType break_type = eClearTypeInvalid; 1156 1157 if (m_options.m_line_num != 0) 1158 break_type = eClearTypeFileAndLine; 1159 1160 Mutex::Locker locker; 1161 target->GetBreakpointList().GetListMutex(locker); 1162 1163 BreakpointList &breakpoints = target->GetBreakpointList(); 1164 size_t num_breakpoints = breakpoints.GetSize(); 1165 1166 // Early return if there's no breakpoint at all. 1167 if (num_breakpoints == 0) 1168 { 1169 result.AppendError ("Breakpoint clear: No breakpoint cleared."); 1170 result.SetStatus (eReturnStatusFailed); 1171 return result.Succeeded(); 1172 } 1173 1174 // Find matching breakpoints and delete them. 1175 1176 // First create a copy of all the IDs. 1177 std::vector<break_id_t> BreakIDs; 1178 for (size_t i = 0; i < num_breakpoints; ++i) 1179 BreakIDs.push_back(breakpoints.GetBreakpointAtIndex(i).get()->GetID()); 1180 1181 int num_cleared = 0; 1182 StreamString ss; 1183 switch (break_type) 1184 { 1185 case eClearTypeFileAndLine: // Breakpoint by source position 1186 { 1187 const ConstString filename(m_options.m_filename.c_str()); 1188 BreakpointLocationCollection loc_coll; 1189 1190 for (size_t i = 0; i < num_breakpoints; ++i) 1191 { 1192 Breakpoint *bp = breakpoints.FindBreakpointByID(BreakIDs[i]).get(); 1193 1194 if (bp->GetMatchingFileLine(filename, m_options.m_line_num, loc_coll)) 1195 { 1196 // If the collection size is 0, it's a full match and we can just remove the breakpoint. 1197 if (loc_coll.GetSize() == 0) 1198 { 1199 bp->GetDescription(&ss, lldb::eDescriptionLevelBrief); 1200 ss.EOL(); 1201 target->RemoveBreakpointByID (bp->GetID()); 1202 ++num_cleared; 1203 } 1204 } 1205 } 1206 } 1207 break; 1208 1209 default: 1210 break; 1211 } 1212 1213 if (num_cleared > 0) 1214 { 1215 StreamString &output_stream = result.GetOutputStream(); 1216 output_stream.Printf ("%d breakpoints cleared:\n", num_cleared); 1217 output_stream << ss.GetData(); 1218 output_stream.EOL(); 1219 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1220 } 1221 else 1222 { 1223 result.AppendError ("Breakpoint clear: No breakpoint cleared."); 1224 result.SetStatus (eReturnStatusFailed); 1225 } 1226 1227 return result.Succeeded(); 1228 } 1229 1230 //------------------------------------------------------------------------- 1231 // CommandObjectBreakpointDelete 1232 //------------------------------------------------------------------------- 1233 #pragma mark Delete 1234 1235 CommandObjectBreakpointDelete::CommandObjectBreakpointDelete(CommandInterpreter &interpreter) : 1236 CommandObject (interpreter, 1237 "breakpoint delete", 1238 "Delete the specified breakpoint(s). If no breakpoints are specified, delete them all.", 1239 NULL) 1240 { 1241 CommandArgumentEntry arg; 1242 CommandArgumentData bp_id_arg; 1243 CommandArgumentData bp_id_range_arg; 1244 1245 // Create the first variant for the first (and only) argument for this command. 1246 bp_id_arg.arg_type = eArgTypeBreakpointID; 1247 bp_id_arg.arg_repetition = eArgRepeatOptional; 1248 1249 // Create the second variant for the first (and only) argument for this command. 1250 bp_id_range_arg.arg_type = eArgTypeBreakpointIDRange; 1251 bp_id_range_arg.arg_repetition = eArgRepeatOptional; 1252 1253 // The first (and only) argument for this command could be either a bp_id or a bp_id_range. 1254 // Push both variants into the entry for the first argument for this command. 1255 arg.push_back (bp_id_arg); 1256 arg.push_back (bp_id_range_arg); 1257 1258 // Add the entry for the first argument for this command to the object's arguments vector. 1259 m_arguments.push_back (arg); 1260 } 1261 1262 1263 CommandObjectBreakpointDelete::~CommandObjectBreakpointDelete () 1264 { 1265 } 1266 1267 bool 1268 CommandObjectBreakpointDelete::Execute 1269 ( 1270 Args& args, 1271 CommandReturnObject &result 1272 ) 1273 { 1274 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 1275 if (target == NULL) 1276 { 1277 result.AppendError ("Invalid target. No existing target or breakpoints."); 1278 result.SetStatus (eReturnStatusFailed); 1279 return false; 1280 } 1281 1282 Mutex::Locker locker; 1283 target->GetBreakpointList().GetListMutex(locker); 1284 1285 const BreakpointList &breakpoints = target->GetBreakpointList(); 1286 1287 size_t num_breakpoints = breakpoints.GetSize(); 1288 1289 if (num_breakpoints == 0) 1290 { 1291 result.AppendError ("No breakpoints exist to be deleted."); 1292 result.SetStatus (eReturnStatusFailed); 1293 return false; 1294 } 1295 1296 if (args.GetArgumentCount() == 0) 1297 { 1298 if (!m_interpreter.Confirm ("About to delete all breakpoints, do you want to do that?", true)) 1299 { 1300 result.AppendMessage("Operation cancelled..."); 1301 } 1302 else 1303 { 1304 target->RemoveAllBreakpoints (); 1305 result.AppendMessageWithFormat ("All breakpoints removed. (%d breakpoints)\n", num_breakpoints); 1306 } 1307 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1308 } 1309 else 1310 { 1311 // Particular breakpoint selected; disable that breakpoint. 1312 BreakpointIDList valid_bp_ids; 1313 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (args, target, result, &valid_bp_ids); 1314 1315 if (result.Succeeded()) 1316 { 1317 int delete_count = 0; 1318 int disable_count = 0; 1319 const size_t count = valid_bp_ids.GetSize(); 1320 for (size_t i = 0; i < count; ++i) 1321 { 1322 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 1323 1324 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 1325 { 1326 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 1327 { 1328 Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 1329 BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); 1330 // It makes no sense to try to delete individual locations, so we disable them instead. 1331 if (location) 1332 { 1333 location->SetEnabled (false); 1334 ++disable_count; 1335 } 1336 } 1337 else 1338 { 1339 target->RemoveBreakpointByID (cur_bp_id.GetBreakpointID()); 1340 ++delete_count; 1341 } 1342 } 1343 } 1344 result.AppendMessageWithFormat ("%d breakpoints deleted; %d breakpoint locations disabled.\n", 1345 delete_count, disable_count); 1346 result.SetStatus (eReturnStatusSuccessFinishNoResult); 1347 } 1348 } 1349 return result.Succeeded(); 1350 } 1351 1352 //------------------------------------------------------------------------- 1353 // CommandObjectBreakpointModify::CommandOptions 1354 //------------------------------------------------------------------------- 1355 #pragma mark Modify::CommandOptions 1356 1357 CommandObjectBreakpointModify::CommandOptions::CommandOptions() : 1358 Options (), 1359 m_ignore_count (0), 1360 m_thread_id(LLDB_INVALID_THREAD_ID), 1361 m_thread_id_passed(false), 1362 m_thread_index (UINT32_MAX), 1363 m_thread_index_passed(false), 1364 m_thread_name(), 1365 m_queue_name(), 1366 m_condition (), 1367 m_enable_passed (false), 1368 m_enable_value (false), 1369 m_name_passed (false), 1370 m_queue_passed (false), 1371 m_condition_passed (false) 1372 { 1373 } 1374 1375 CommandObjectBreakpointModify::CommandOptions::~CommandOptions () 1376 { 1377 } 1378 1379 lldb::OptionDefinition 1380 CommandObjectBreakpointModify::CommandOptions::g_option_table[] = 1381 { 1382 { LLDB_OPT_SET_ALL, false, "ignore-count", 'i', required_argument, NULL, NULL, eArgTypeCount, "Set the number of times this breakpoint is skipped before stopping." }, 1383 { LLDB_OPT_SET_ALL, false, "thread-index", 'x', required_argument, NULL, NULL, eArgTypeThreadIndex, "The breakpoint stops only for the thread whose indeX matches this argument."}, 1384 { LLDB_OPT_SET_ALL, false, "thread-id", 't', required_argument, NULL, NULL, eArgTypeThreadID, "The breakpoint stops only for the thread whose TID matches this argument."}, 1385 { LLDB_OPT_SET_ALL, false, "thread-name", 'T', required_argument, NULL, NULL, eArgTypeThreadName, "The breakpoint stops only for the thread whose thread name matches this argument."}, 1386 { LLDB_OPT_SET_ALL, false, "queue-name", 'q', required_argument, NULL, NULL, eArgTypeQueueName, "The breakpoint stops only for threads in the queue whose name is given by this argument."}, 1387 { LLDB_OPT_SET_ALL, false, "condition", 'c', required_argument, NULL, NULL, eArgTypeExpression, "The breakpoint stops only if this condition expression evaluates to true."}, 1388 { LLDB_OPT_SET_1, false, "enable", 'e', no_argument, NULL, NULL, eArgTypeNone, "Enable the breakpoint."}, 1389 { LLDB_OPT_SET_2, false, "disable", 'd', no_argument, NULL, NULL, eArgTypeNone, "Disable the breakpoint."}, 1390 { 0, false, NULL, 0 , 0, NULL, 0, eArgTypeNone, NULL } 1391 }; 1392 1393 const lldb::OptionDefinition* 1394 CommandObjectBreakpointModify::CommandOptions::GetDefinitions () 1395 { 1396 return g_option_table; 1397 } 1398 1399 Error 1400 CommandObjectBreakpointModify::CommandOptions::SetOptionValue (int option_idx, const char *option_arg) 1401 { 1402 Error error; 1403 char short_option = (char) m_getopt_table[option_idx].val; 1404 1405 switch (short_option) 1406 { 1407 case 'c': 1408 if (option_arg != NULL) 1409 m_condition = option_arg; 1410 else 1411 m_condition.clear(); 1412 m_condition_passed = true; 1413 break; 1414 case 'd': 1415 m_enable_passed = true; 1416 m_enable_value = false; 1417 break; 1418 case 'e': 1419 m_enable_passed = true; 1420 m_enable_value = true; 1421 break; 1422 case 'i': 1423 { 1424 m_ignore_count = Args::StringToUInt32(optarg, UINT32_MAX, 0); 1425 if (m_ignore_count == UINT32_MAX) 1426 error.SetErrorStringWithFormat ("Invalid ignore count '%s'.\n", optarg); 1427 } 1428 break; 1429 case 't' : 1430 { 1431 if (optarg[0] == '\0') 1432 { 1433 m_thread_id = LLDB_INVALID_THREAD_ID; 1434 m_thread_id_passed = true; 1435 } 1436 else 1437 { 1438 m_thread_id = Args::StringToUInt64(optarg, LLDB_INVALID_THREAD_ID, 0); 1439 if (m_thread_id == LLDB_INVALID_THREAD_ID) 1440 error.SetErrorStringWithFormat ("Invalid thread id string '%s'.\n", optarg); 1441 else 1442 m_thread_id_passed = true; 1443 } 1444 } 1445 break; 1446 case 'T': 1447 if (option_arg != NULL) 1448 m_thread_name = option_arg; 1449 else 1450 m_thread_name.clear(); 1451 m_name_passed = true; 1452 break; 1453 case 'q': 1454 if (option_arg != NULL) 1455 m_queue_name = option_arg; 1456 else 1457 m_queue_name.clear(); 1458 m_queue_passed = true; 1459 break; 1460 case 'x': 1461 { 1462 if (optarg[0] == '\n') 1463 { 1464 m_thread_index = UINT32_MAX; 1465 m_thread_index_passed = true; 1466 } 1467 else 1468 { 1469 m_thread_index = Args::StringToUInt32 (optarg, UINT32_MAX, 0); 1470 if (m_thread_id == UINT32_MAX) 1471 error.SetErrorStringWithFormat ("Invalid thread index string '%s'.\n", optarg); 1472 else 1473 m_thread_index_passed = true; 1474 } 1475 } 1476 break; 1477 default: 1478 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option); 1479 break; 1480 } 1481 1482 return error; 1483 } 1484 1485 void 1486 CommandObjectBreakpointModify::CommandOptions::ResetOptionValues () 1487 { 1488 Options::ResetOptionValues(); 1489 1490 m_ignore_count = 0; 1491 m_thread_id = LLDB_INVALID_THREAD_ID; 1492 m_thread_id_passed = false; 1493 m_thread_index = UINT32_MAX; 1494 m_thread_index_passed = false; 1495 m_thread_name.clear(); 1496 m_queue_name.clear(); 1497 m_condition.clear(); 1498 m_enable_passed = false; 1499 m_queue_passed = false; 1500 m_name_passed = false; 1501 m_condition_passed = false; 1502 } 1503 1504 //------------------------------------------------------------------------- 1505 // CommandObjectBreakpointModify 1506 //------------------------------------------------------------------------- 1507 #pragma mark Modify 1508 1509 CommandObjectBreakpointModify::CommandObjectBreakpointModify (CommandInterpreter &interpreter) : 1510 CommandObject (interpreter, 1511 "breakpoint modify", 1512 "Modify the options on a breakpoint or set of breakpoints in the executable. " 1513 "If no breakpoint is specified, acts on the last created breakpoint. " 1514 "With the exception of -e, -d and -i, passing an empty argument clears the modification.", 1515 NULL) 1516 { 1517 CommandArgumentEntry arg; 1518 CommandArgumentData bp_id_arg; 1519 CommandArgumentData bp_id_range_arg; 1520 1521 // Create the first variant for the first (and only) argument for this command. 1522 bp_id_arg.arg_type = eArgTypeBreakpointID; 1523 bp_id_arg.arg_repetition = eArgRepeatPlain; 1524 1525 // Create the second variant for the first (and only) argument for this command. 1526 bp_id_range_arg.arg_type = eArgTypeBreakpointIDRange; 1527 bp_id_range_arg.arg_repetition = eArgRepeatPlain; 1528 1529 // The first (and only) argument for this command could be either a bp_id or a bp_id_range. 1530 // Push both variants into the entry for the first argument for this command. 1531 arg.push_back (bp_id_arg); 1532 arg.push_back (bp_id_range_arg); 1533 1534 // Add the entry for the first argument for this command to the object's arguments vector. 1535 m_arguments.push_back (arg); 1536 } 1537 1538 CommandObjectBreakpointModify::~CommandObjectBreakpointModify () 1539 { 1540 } 1541 1542 Options * 1543 CommandObjectBreakpointModify::GetOptions () 1544 { 1545 return &m_options; 1546 } 1547 1548 bool 1549 CommandObjectBreakpointModify::Execute 1550 ( 1551 Args& command, 1552 CommandReturnObject &result 1553 ) 1554 { 1555 Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); 1556 if (target == NULL) 1557 { 1558 result.AppendError ("Invalid target. No existing target or breakpoints."); 1559 result.SetStatus (eReturnStatusFailed); 1560 return false; 1561 } 1562 1563 Mutex::Locker locker; 1564 target->GetBreakpointList().GetListMutex(locker); 1565 1566 BreakpointIDList valid_bp_ids; 1567 1568 CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids); 1569 1570 if (result.Succeeded()) 1571 { 1572 const size_t count = valid_bp_ids.GetSize(); 1573 for (size_t i = 0; i < count; ++i) 1574 { 1575 BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); 1576 1577 if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) 1578 { 1579 Breakpoint *bp = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); 1580 if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) 1581 { 1582 BreakpointLocation *location = bp->FindLocationByID (cur_bp_id.GetLocationID()).get(); 1583 if (location) 1584 { 1585 if (m_options.m_thread_id_passed) 1586 location->SetThreadID (m_options.m_thread_id); 1587 1588 if (m_options.m_thread_index_passed) 1589 location->GetLocationOptions()->GetThreadSpec()->SetIndex(m_options.m_thread_index); 1590 1591 if (m_options.m_name_passed) 1592 location->GetLocationOptions()->GetThreadSpec()->SetName(m_options.m_thread_name.c_str()); 1593 1594 if (m_options.m_queue_passed) 1595 location->GetLocationOptions()->GetThreadSpec()->SetQueueName(m_options.m_queue_name.c_str()); 1596 1597 if (m_options.m_ignore_count != 0) 1598 location->GetLocationOptions()->SetIgnoreCount(m_options.m_ignore_count); 1599 1600 if (m_options.m_enable_passed) 1601 location->SetEnabled (m_options.m_enable_value); 1602 1603 if (m_options.m_condition_passed) 1604 location->SetCondition (m_options.m_condition.c_str()); 1605 } 1606 } 1607 else 1608 { 1609 if (m_options.m_thread_id_passed) 1610 bp->SetThreadID (m_options.m_thread_id); 1611 1612 if (m_options.m_thread_index_passed) 1613 bp->GetOptions()->GetThreadSpec()->SetIndex(m_options.m_thread_index); 1614 1615 if (m_options.m_name_passed) 1616 bp->GetOptions()->GetThreadSpec()->SetName(m_options.m_thread_name.c_str()); 1617 1618 if (m_options.m_queue_passed) 1619 bp->GetOptions()->GetThreadSpec()->SetQueueName(m_options.m_queue_name.c_str()); 1620 1621 if (m_options.m_ignore_count != 0) 1622 bp->GetOptions()->SetIgnoreCount(m_options.m_ignore_count); 1623 1624 if (m_options.m_enable_passed) 1625 bp->SetEnabled (m_options.m_enable_value); 1626 1627 if (m_options.m_condition_passed) 1628 bp->SetCondition (m_options.m_condition.c_str()); 1629 } 1630 } 1631 } 1632 } 1633 1634 return result.Succeeded(); 1635 } 1636 1637 1638