1 //===-- CommandObjectTarget.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 "CommandObjectTarget.h" 10 11 #include "lldb/Core/Debugger.h" 12 #include "lldb/Core/IOHandler.h" 13 #include "lldb/Core/Module.h" 14 #include "lldb/Core/ModuleSpec.h" 15 #include "lldb/Core/Section.h" 16 #include "lldb/Core/ValueObjectVariable.h" 17 #include "lldb/DataFormatters/ValueObjectPrinter.h" 18 #include "lldb/Host/OptionParser.h" 19 #include "lldb/Host/StringConvert.h" 20 #include "lldb/Interpreter/CommandInterpreter.h" 21 #include "lldb/Interpreter/CommandReturnObject.h" 22 #include "lldb/Interpreter/OptionArgParser.h" 23 #include "lldb/Interpreter/OptionGroupArchitecture.h" 24 #include "lldb/Interpreter/OptionGroupBoolean.h" 25 #include "lldb/Interpreter/OptionGroupFile.h" 26 #include "lldb/Interpreter/OptionGroupFormat.h" 27 #include "lldb/Interpreter/OptionGroupPlatform.h" 28 #include "lldb/Interpreter/OptionGroupString.h" 29 #include "lldb/Interpreter/OptionGroupUInt64.h" 30 #include "lldb/Interpreter/OptionGroupUUID.h" 31 #include "lldb/Interpreter/OptionGroupValueObjectDisplay.h" 32 #include "lldb/Interpreter/OptionGroupVariable.h" 33 #include "lldb/Interpreter/Options.h" 34 #include "lldb/Symbol/CompileUnit.h" 35 #include "lldb/Symbol/FuncUnwinders.h" 36 #include "lldb/Symbol/LineTable.h" 37 #include "lldb/Symbol/LocateSymbolFile.h" 38 #include "lldb/Symbol/ObjectFile.h" 39 #include "lldb/Symbol/SymbolFile.h" 40 #include "lldb/Symbol/UnwindPlan.h" 41 #include "lldb/Symbol/VariableList.h" 42 #include "lldb/Target/ABI.h" 43 #include "lldb/Target/Process.h" 44 #include "lldb/Target/RegisterContext.h" 45 #include "lldb/Target/SectionLoadList.h" 46 #include "lldb/Target/StackFrame.h" 47 #include "lldb/Target/Thread.h" 48 #include "lldb/Target/ThreadSpec.h" 49 #include "lldb/Utility/Args.h" 50 #include "lldb/Utility/State.h" 51 #include "lldb/Utility/Timer.h" 52 53 #include "llvm/Support/FileSystem.h" 54 #include "llvm/Support/FormatAdapters.h" 55 56 #include <cerrno> 57 58 using namespace lldb; 59 using namespace lldb_private; 60 61 static void DumpTargetInfo(uint32_t target_idx, Target *target, 62 const char *prefix_cstr, 63 bool show_stopped_process_status, Stream &strm) { 64 const ArchSpec &target_arch = target->GetArchitecture(); 65 66 Module *exe_module = target->GetExecutableModulePointer(); 67 char exe_path[PATH_MAX]; 68 bool exe_valid = false; 69 if (exe_module) 70 exe_valid = exe_module->GetFileSpec().GetPath(exe_path, sizeof(exe_path)); 71 72 if (!exe_valid) 73 ::strcpy(exe_path, "<none>"); 74 75 strm.Printf("%starget #%u: %s", prefix_cstr ? prefix_cstr : "", target_idx, 76 exe_path); 77 78 uint32_t properties = 0; 79 if (target_arch.IsValid()) { 80 strm.Printf("%sarch=", properties++ > 0 ? ", " : " ( "); 81 target_arch.DumpTriple(strm); 82 properties++; 83 } 84 PlatformSP platform_sp(target->GetPlatform()); 85 if (platform_sp) 86 strm.Printf("%splatform=%s", properties++ > 0 ? ", " : " ( ", 87 platform_sp->GetName().GetCString()); 88 89 ProcessSP process_sp(target->GetProcessSP()); 90 bool show_process_status = false; 91 if (process_sp) { 92 lldb::pid_t pid = process_sp->GetID(); 93 StateType state = process_sp->GetState(); 94 if (show_stopped_process_status) 95 show_process_status = StateIsStoppedState(state, true); 96 const char *state_cstr = StateAsCString(state); 97 if (pid != LLDB_INVALID_PROCESS_ID) 98 strm.Printf("%spid=%" PRIu64, properties++ > 0 ? ", " : " ( ", pid); 99 strm.Printf("%sstate=%s", properties++ > 0 ? ", " : " ( ", state_cstr); 100 } 101 if (properties > 0) 102 strm.PutCString(" )\n"); 103 else 104 strm.EOL(); 105 if (show_process_status) { 106 const bool only_threads_with_stop_reason = true; 107 const uint32_t start_frame = 0; 108 const uint32_t num_frames = 1; 109 const uint32_t num_frames_with_source = 1; 110 const bool stop_format = false; 111 process_sp->GetStatus(strm); 112 process_sp->GetThreadStatus(strm, only_threads_with_stop_reason, 113 start_frame, num_frames, 114 num_frames_with_source, stop_format); 115 } 116 } 117 118 static uint32_t DumpTargetList(TargetList &target_list, 119 bool show_stopped_process_status, Stream &strm) { 120 const uint32_t num_targets = target_list.GetNumTargets(); 121 if (num_targets) { 122 TargetSP selected_target_sp(target_list.GetSelectedTarget()); 123 strm.PutCString("Current targets:\n"); 124 for (uint32_t i = 0; i < num_targets; ++i) { 125 TargetSP target_sp(target_list.GetTargetAtIndex(i)); 126 if (target_sp) { 127 bool is_selected = target_sp.get() == selected_target_sp.get(); 128 DumpTargetInfo(i, target_sp.get(), is_selected ? "* " : " ", 129 show_stopped_process_status, strm); 130 } 131 } 132 } 133 return num_targets; 134 } 135 136 // Note that the negation in the argument name causes a slightly confusing 137 // mapping of the enum values. 138 static constexpr OptionEnumValueElement g_dependents_enumaration[] = { 139 { 140 eLoadDependentsDefault, 141 "default", 142 "Only load dependents when the target is an executable.", 143 }, 144 { 145 eLoadDependentsNo, 146 "true", 147 "Don't load dependents, even if the target is an executable.", 148 }, 149 { 150 eLoadDependentsYes, 151 "false", 152 "Load dependents, even if the target is not an executable.", 153 }, 154 }; 155 156 #define LLDB_OPTIONS_target_dependents 157 #include "CommandOptions.inc" 158 159 class OptionGroupDependents : public OptionGroup { 160 public: 161 OptionGroupDependents() {} 162 163 ~OptionGroupDependents() override {} 164 165 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 166 return llvm::makeArrayRef(g_target_dependents_options); 167 } 168 169 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_value, 170 ExecutionContext *execution_context) override { 171 Status error; 172 173 // For compatibility no value means don't load dependents. 174 if (option_value.empty()) { 175 m_load_dependent_files = eLoadDependentsNo; 176 return error; 177 } 178 179 const char short_option = 180 g_target_dependents_options[option_idx].short_option; 181 if (short_option == 'd') { 182 LoadDependentFiles tmp_load_dependents; 183 tmp_load_dependents = (LoadDependentFiles)OptionArgParser::ToOptionEnum( 184 option_value, g_target_dependents_options[option_idx].enum_values, 0, 185 error); 186 if (error.Success()) 187 m_load_dependent_files = tmp_load_dependents; 188 } else { 189 error.SetErrorStringWithFormat("unrecognized short option '%c'", 190 short_option); 191 } 192 193 return error; 194 } 195 196 Status SetOptionValue(uint32_t, const char *, ExecutionContext *) = delete; 197 198 void OptionParsingStarting(ExecutionContext *execution_context) override { 199 m_load_dependent_files = eLoadDependentsDefault; 200 } 201 202 LoadDependentFiles m_load_dependent_files; 203 204 private: 205 DISALLOW_COPY_AND_ASSIGN(OptionGroupDependents); 206 }; 207 208 #pragma mark CommandObjectTargetCreate 209 210 // "target create" 211 212 class CommandObjectTargetCreate : public CommandObjectParsed { 213 public: 214 CommandObjectTargetCreate(CommandInterpreter &interpreter) 215 : CommandObjectParsed( 216 interpreter, "target create", 217 "Create a target using the argument as the main executable.", 218 nullptr), 219 m_option_group(), m_arch_option(), 220 m_core_file(LLDB_OPT_SET_1, false, "core", 'c', 0, eArgTypeFilename, 221 "Fullpath to a core file to use for this target."), 222 m_platform_path(LLDB_OPT_SET_1, false, "platform-path", 'P', 0, 223 eArgTypePath, 224 "Path to the remote file to use for this target."), 225 m_symbol_file(LLDB_OPT_SET_1, false, "symfile", 's', 0, 226 eArgTypeFilename, 227 "Fullpath to a stand alone debug " 228 "symbols file for when debug symbols " 229 "are not in the executable."), 230 m_remote_file( 231 LLDB_OPT_SET_1, false, "remote-file", 'r', 0, eArgTypeFilename, 232 "Fullpath to the file on the remote host if debugging remotely."), 233 m_add_dependents() { 234 CommandArgumentEntry arg; 235 CommandArgumentData file_arg; 236 237 // Define the first (and only) variant of this arg. 238 file_arg.arg_type = eArgTypeFilename; 239 file_arg.arg_repetition = eArgRepeatPlain; 240 241 // There is only one variant this argument could be; put it into the 242 // argument entry. 243 arg.push_back(file_arg); 244 245 // Push the data for the first argument into the m_arguments vector. 246 m_arguments.push_back(arg); 247 248 m_option_group.Append(&m_arch_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 249 m_option_group.Append(&m_core_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 250 m_option_group.Append(&m_platform_path, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 251 m_option_group.Append(&m_symbol_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 252 m_option_group.Append(&m_remote_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 253 m_option_group.Append(&m_add_dependents, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 254 m_option_group.Finalize(); 255 } 256 257 ~CommandObjectTargetCreate() override = default; 258 259 Options *GetOptions() override { return &m_option_group; } 260 261 void 262 HandleArgumentCompletion(CompletionRequest &request, 263 OptionElementVector &opt_element_vector) override { 264 CommandCompletions::InvokeCommonCompletionCallbacks( 265 GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, 266 request, nullptr); 267 } 268 269 protected: 270 bool DoExecute(Args &command, CommandReturnObject &result) override { 271 const size_t argc = command.GetArgumentCount(); 272 FileSpec core_file(m_core_file.GetOptionValue().GetCurrentValue()); 273 FileSpec remote_file(m_remote_file.GetOptionValue().GetCurrentValue()); 274 275 if (core_file) { 276 if (!FileSystem::Instance().Exists(core_file)) { 277 result.AppendErrorWithFormat("core file '%s' doesn't exist", 278 core_file.GetPath().c_str()); 279 result.SetStatus(eReturnStatusFailed); 280 return false; 281 } 282 if (!FileSystem::Instance().Readable(core_file)) { 283 result.AppendErrorWithFormat("core file '%s' is not readable", 284 core_file.GetPath().c_str()); 285 result.SetStatus(eReturnStatusFailed); 286 return false; 287 } 288 } 289 290 if (argc == 1 || core_file || remote_file) { 291 FileSpec symfile(m_symbol_file.GetOptionValue().GetCurrentValue()); 292 if (symfile) { 293 if (FileSystem::Instance().Exists(symfile)) { 294 if (!FileSystem::Instance().Readable(symfile)) { 295 result.AppendErrorWithFormat("symbol file '%s' is not readable", 296 symfile.GetPath().c_str()); 297 result.SetStatus(eReturnStatusFailed); 298 return false; 299 } 300 } else { 301 char symfile_path[PATH_MAX]; 302 symfile.GetPath(symfile_path, sizeof(symfile_path)); 303 result.AppendErrorWithFormat("invalid symbol file path '%s'", 304 symfile_path); 305 result.SetStatus(eReturnStatusFailed); 306 return false; 307 } 308 } 309 310 const char *file_path = command.GetArgumentAtIndex(0); 311 static Timer::Category func_cat(LLVM_PRETTY_FUNCTION); 312 Timer scoped_timer(func_cat, "(lldb) target create '%s'", file_path); 313 FileSpec file_spec; 314 315 if (file_path) { 316 file_spec.SetFile(file_path, FileSpec::Style::native); 317 FileSystem::Instance().Resolve(file_spec); 318 } 319 320 bool must_set_platform_path = false; 321 322 Debugger &debugger = GetDebugger(); 323 324 TargetSP target_sp; 325 llvm::StringRef arch_cstr = m_arch_option.GetArchitectureName(); 326 Status error(debugger.GetTargetList().CreateTarget( 327 debugger, file_path, arch_cstr, 328 m_add_dependents.m_load_dependent_files, nullptr, target_sp)); 329 330 if (target_sp) { 331 // Only get the platform after we create the target because we might 332 // have switched platforms depending on what the arguments were to 333 // CreateTarget() we can't rely on the selected platform. 334 335 PlatformSP platform_sp = target_sp->GetPlatform(); 336 337 if (remote_file) { 338 if (platform_sp) { 339 // I have a remote file.. two possible cases 340 if (file_spec && FileSystem::Instance().Exists(file_spec)) { 341 // if the remote file does not exist, push it there 342 if (!platform_sp->GetFileExists(remote_file)) { 343 Status err = platform_sp->PutFile(file_spec, remote_file); 344 if (err.Fail()) { 345 result.AppendError(err.AsCString()); 346 result.SetStatus(eReturnStatusFailed); 347 return false; 348 } 349 } 350 } else { 351 // there is no local file and we need one 352 // in order to make the remote ---> local transfer we need a 353 // platform 354 // TODO: if the user has passed in a --platform argument, use it 355 // to fetch the right platform 356 if (!platform_sp) { 357 result.AppendError( 358 "unable to perform remote debugging without a platform"); 359 result.SetStatus(eReturnStatusFailed); 360 return false; 361 } 362 if (file_path) { 363 // copy the remote file to the local file 364 Status err = platform_sp->GetFile(remote_file, file_spec); 365 if (err.Fail()) { 366 result.AppendError(err.AsCString()); 367 result.SetStatus(eReturnStatusFailed); 368 return false; 369 } 370 } else { 371 // make up a local file 372 result.AppendError("remote --> local transfer without local " 373 "path is not implemented yet"); 374 result.SetStatus(eReturnStatusFailed); 375 return false; 376 } 377 } 378 } else { 379 result.AppendError("no platform found for target"); 380 result.SetStatus(eReturnStatusFailed); 381 return false; 382 } 383 } 384 385 if (symfile || remote_file) { 386 ModuleSP module_sp(target_sp->GetExecutableModule()); 387 if (module_sp) { 388 if (symfile) 389 module_sp->SetSymbolFileFileSpec(symfile); 390 if (remote_file) { 391 std::string remote_path = remote_file.GetPath(); 392 target_sp->SetArg0(remote_path.c_str()); 393 module_sp->SetPlatformFileSpec(remote_file); 394 } 395 } 396 } 397 398 debugger.GetTargetList().SetSelectedTarget(target_sp.get()); 399 if (must_set_platform_path) { 400 ModuleSpec main_module_spec(file_spec); 401 ModuleSP module_sp = target_sp->GetOrCreateModule(main_module_spec, 402 true /* notify */); 403 if (module_sp) 404 module_sp->SetPlatformFileSpec(remote_file); 405 } 406 if (core_file) { 407 char core_path[PATH_MAX]; 408 core_file.GetPath(core_path, sizeof(core_path)); 409 if (FileSystem::Instance().Exists(core_file)) { 410 if (!FileSystem::Instance().Readable(core_file)) { 411 result.AppendMessageWithFormat( 412 "Core file '%s' is not readable.\n", core_path); 413 result.SetStatus(eReturnStatusFailed); 414 return false; 415 } 416 FileSpec core_file_dir; 417 core_file_dir.GetDirectory() = core_file.GetDirectory(); 418 target_sp->AppendExecutableSearchPaths(core_file_dir); 419 420 ProcessSP process_sp(target_sp->CreateProcess( 421 GetDebugger().GetListener(), llvm::StringRef(), &core_file)); 422 423 if (process_sp) { 424 // Seems weird that we Launch a core file, but that is what we 425 // do! 426 error = process_sp->LoadCore(); 427 428 if (error.Fail()) { 429 result.AppendError( 430 error.AsCString("can't find plug-in for core file")); 431 result.SetStatus(eReturnStatusFailed); 432 return false; 433 } else { 434 result.AppendMessageWithFormat( 435 "Core file '%s' (%s) was loaded.\n", core_path, 436 target_sp->GetArchitecture().GetArchitectureName()); 437 result.SetStatus(eReturnStatusSuccessFinishNoResult); 438 } 439 } else { 440 result.AppendErrorWithFormat( 441 "Unable to find process plug-in for core file '%s'\n", 442 core_path); 443 result.SetStatus(eReturnStatusFailed); 444 } 445 } else { 446 result.AppendErrorWithFormat("Core file '%s' does not exist\n", 447 core_path); 448 result.SetStatus(eReturnStatusFailed); 449 } 450 } else { 451 result.AppendMessageWithFormat( 452 "Current executable set to '%s' (%s).\n", 453 file_spec.GetPath().c_str(), 454 target_sp->GetArchitecture().GetArchitectureName()); 455 result.SetStatus(eReturnStatusSuccessFinishNoResult); 456 } 457 } else { 458 result.AppendError(error.AsCString()); 459 result.SetStatus(eReturnStatusFailed); 460 } 461 } else { 462 result.AppendErrorWithFormat("'%s' takes exactly one executable path " 463 "argument, or use the --core option.\n", 464 m_cmd_name.c_str()); 465 result.SetStatus(eReturnStatusFailed); 466 } 467 return result.Succeeded(); 468 } 469 470 private: 471 OptionGroupOptions m_option_group; 472 OptionGroupArchitecture m_arch_option; 473 OptionGroupFile m_core_file; 474 OptionGroupFile m_platform_path; 475 OptionGroupFile m_symbol_file; 476 OptionGroupFile m_remote_file; 477 OptionGroupDependents m_add_dependents; 478 }; 479 480 #pragma mark CommandObjectTargetList 481 482 // "target list" 483 484 class CommandObjectTargetList : public CommandObjectParsed { 485 public: 486 CommandObjectTargetList(CommandInterpreter &interpreter) 487 : CommandObjectParsed( 488 interpreter, "target list", 489 "List all current targets in the current debug session.", nullptr) { 490 } 491 492 ~CommandObjectTargetList() override = default; 493 494 protected: 495 bool DoExecute(Args &args, CommandReturnObject &result) override { 496 if (args.GetArgumentCount() == 0) { 497 Stream &strm = result.GetOutputStream(); 498 499 bool show_stopped_process_status = false; 500 if (DumpTargetList(GetDebugger().GetTargetList(), 501 show_stopped_process_status, strm) == 0) { 502 strm.PutCString("No targets.\n"); 503 } 504 result.SetStatus(eReturnStatusSuccessFinishResult); 505 } else { 506 result.AppendError("the 'target list' command takes no arguments\n"); 507 result.SetStatus(eReturnStatusFailed); 508 } 509 return result.Succeeded(); 510 } 511 }; 512 513 #pragma mark CommandObjectTargetSelect 514 515 // "target select" 516 517 class CommandObjectTargetSelect : public CommandObjectParsed { 518 public: 519 CommandObjectTargetSelect(CommandInterpreter &interpreter) 520 : CommandObjectParsed( 521 interpreter, "target select", 522 "Select a target as the current target by target index.", nullptr) { 523 } 524 525 ~CommandObjectTargetSelect() override = default; 526 527 protected: 528 bool DoExecute(Args &args, CommandReturnObject &result) override { 529 if (args.GetArgumentCount() == 1) { 530 bool success = false; 531 const char *target_idx_arg = args.GetArgumentAtIndex(0); 532 uint32_t target_idx = 533 StringConvert::ToUInt32(target_idx_arg, UINT32_MAX, 0, &success); 534 if (success) { 535 TargetList &target_list = GetDebugger().GetTargetList(); 536 const uint32_t num_targets = target_list.GetNumTargets(); 537 if (target_idx < num_targets) { 538 TargetSP target_sp(target_list.GetTargetAtIndex(target_idx)); 539 if (target_sp) { 540 Stream &strm = result.GetOutputStream(); 541 target_list.SetSelectedTarget(target_sp.get()); 542 bool show_stopped_process_status = false; 543 DumpTargetList(target_list, show_stopped_process_status, strm); 544 result.SetStatus(eReturnStatusSuccessFinishResult); 545 } else { 546 result.AppendErrorWithFormat("target #%u is NULL in target list\n", 547 target_idx); 548 result.SetStatus(eReturnStatusFailed); 549 } 550 } else { 551 if (num_targets > 0) { 552 result.AppendErrorWithFormat( 553 "index %u is out of range, valid target indexes are 0 - %u\n", 554 target_idx, num_targets - 1); 555 } else { 556 result.AppendErrorWithFormat( 557 "index %u is out of range since there are no active targets\n", 558 target_idx); 559 } 560 result.SetStatus(eReturnStatusFailed); 561 } 562 } else { 563 result.AppendErrorWithFormat("invalid index string value '%s'\n", 564 target_idx_arg); 565 result.SetStatus(eReturnStatusFailed); 566 } 567 } else { 568 result.AppendError( 569 "'target select' takes a single argument: a target index\n"); 570 result.SetStatus(eReturnStatusFailed); 571 } 572 return result.Succeeded(); 573 } 574 }; 575 576 #pragma mark CommandObjectTargetSelect 577 578 // "target delete" 579 580 class CommandObjectTargetDelete : public CommandObjectParsed { 581 public: 582 CommandObjectTargetDelete(CommandInterpreter &interpreter) 583 : CommandObjectParsed(interpreter, "target delete", 584 "Delete one or more targets by target index.", 585 nullptr), 586 m_option_group(), m_all_option(LLDB_OPT_SET_1, false, "all", 'a', 587 "Delete all targets.", false, true), 588 m_cleanup_option( 589 LLDB_OPT_SET_1, false, "clean", 'c', 590 "Perform extra cleanup to minimize memory consumption after " 591 "deleting the target. " 592 "By default, LLDB will keep in memory any modules previously " 593 "loaded by the target as well " 594 "as all of its debug info. Specifying --clean will unload all of " 595 "these shared modules and " 596 "cause them to be reparsed again the next time the target is run", 597 false, true) { 598 m_option_group.Append(&m_all_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 599 m_option_group.Append(&m_cleanup_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 600 m_option_group.Finalize(); 601 } 602 603 ~CommandObjectTargetDelete() override = default; 604 605 Options *GetOptions() override { return &m_option_group; } 606 607 protected: 608 bool DoExecute(Args &args, CommandReturnObject &result) override { 609 const size_t argc = args.GetArgumentCount(); 610 std::vector<TargetSP> delete_target_list; 611 TargetList &target_list = GetDebugger().GetTargetList(); 612 TargetSP target_sp; 613 614 if (m_all_option.GetOptionValue()) { 615 for (int i = 0; i < target_list.GetNumTargets(); ++i) 616 delete_target_list.push_back(target_list.GetTargetAtIndex(i)); 617 } else if (argc > 0) { 618 const uint32_t num_targets = target_list.GetNumTargets(); 619 // Bail out if don't have any targets. 620 if (num_targets == 0) { 621 result.AppendError("no targets to delete"); 622 result.SetStatus(eReturnStatusFailed); 623 return false; 624 } 625 626 for (auto &entry : args.entries()) { 627 uint32_t target_idx; 628 if (entry.ref().getAsInteger(0, target_idx)) { 629 result.AppendErrorWithFormat("invalid target index '%s'\n", 630 entry.c_str()); 631 result.SetStatus(eReturnStatusFailed); 632 return false; 633 } 634 if (target_idx < num_targets) { 635 target_sp = target_list.GetTargetAtIndex(target_idx); 636 if (target_sp) { 637 delete_target_list.push_back(target_sp); 638 continue; 639 } 640 } 641 if (num_targets > 1) 642 result.AppendErrorWithFormat("target index %u is out of range, valid " 643 "target indexes are 0 - %u\n", 644 target_idx, num_targets - 1); 645 else 646 result.AppendErrorWithFormat( 647 "target index %u is out of range, the only valid index is 0\n", 648 target_idx); 649 650 result.SetStatus(eReturnStatusFailed); 651 return false; 652 } 653 } else { 654 target_sp = target_list.GetSelectedTarget(); 655 if (!target_sp) { 656 result.AppendErrorWithFormat("no target is currently selected\n"); 657 result.SetStatus(eReturnStatusFailed); 658 return false; 659 } 660 delete_target_list.push_back(target_sp); 661 } 662 663 const size_t num_targets_to_delete = delete_target_list.size(); 664 for (size_t idx = 0; idx < num_targets_to_delete; ++idx) { 665 target_sp = delete_target_list[idx]; 666 target_list.DeleteTarget(target_sp); 667 target_sp->Destroy(); 668 } 669 // If "--clean" was specified, prune any orphaned shared modules from the 670 // global shared module list 671 if (m_cleanup_option.GetOptionValue()) { 672 const bool mandatory = true; 673 ModuleList::RemoveOrphanSharedModules(mandatory); 674 } 675 result.GetOutputStream().Printf("%u targets deleted.\n", 676 (uint32_t)num_targets_to_delete); 677 result.SetStatus(eReturnStatusSuccessFinishResult); 678 679 return true; 680 } 681 682 OptionGroupOptions m_option_group; 683 OptionGroupBoolean m_all_option; 684 OptionGroupBoolean m_cleanup_option; 685 }; 686 687 #pragma mark CommandObjectTargetVariable 688 689 // "target variable" 690 691 class CommandObjectTargetVariable : public CommandObjectParsed { 692 static const uint32_t SHORT_OPTION_FILE = 0x66696c65; // 'file' 693 static const uint32_t SHORT_OPTION_SHLB = 0x73686c62; // 'shlb' 694 695 public: 696 CommandObjectTargetVariable(CommandInterpreter &interpreter) 697 : CommandObjectParsed(interpreter, "target variable", 698 "Read global variables for the current target, " 699 "before or while running a process.", 700 nullptr, eCommandRequiresTarget), 701 m_option_group(), 702 m_option_variable(false), // Don't include frame options 703 m_option_format(eFormatDefault), 704 m_option_compile_units(LLDB_OPT_SET_1, false, "file", SHORT_OPTION_FILE, 705 0, eArgTypeFilename, 706 "A basename or fullpath to a file that contains " 707 "global variables. This option can be " 708 "specified multiple times."), 709 m_option_shared_libraries( 710 LLDB_OPT_SET_1, false, "shlib", SHORT_OPTION_SHLB, 0, 711 eArgTypeFilename, 712 "A basename or fullpath to a shared library to use in the search " 713 "for global " 714 "variables. This option can be specified multiple times."), 715 m_varobj_options() { 716 CommandArgumentEntry arg; 717 CommandArgumentData var_name_arg; 718 719 // Define the first (and only) variant of this arg. 720 var_name_arg.arg_type = eArgTypeVarName; 721 var_name_arg.arg_repetition = eArgRepeatPlus; 722 723 // There is only one variant this argument could be; put it into the 724 // argument entry. 725 arg.push_back(var_name_arg); 726 727 // Push the data for the first argument into the m_arguments vector. 728 m_arguments.push_back(arg); 729 730 m_option_group.Append(&m_varobj_options, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 731 m_option_group.Append(&m_option_variable, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 732 m_option_group.Append(&m_option_format, 733 OptionGroupFormat::OPTION_GROUP_FORMAT | 734 OptionGroupFormat::OPTION_GROUP_GDB_FMT, 735 LLDB_OPT_SET_1); 736 m_option_group.Append(&m_option_compile_units, LLDB_OPT_SET_ALL, 737 LLDB_OPT_SET_1); 738 m_option_group.Append(&m_option_shared_libraries, LLDB_OPT_SET_ALL, 739 LLDB_OPT_SET_1); 740 m_option_group.Finalize(); 741 } 742 743 ~CommandObjectTargetVariable() override = default; 744 745 void DumpValueObject(Stream &s, VariableSP &var_sp, ValueObjectSP &valobj_sp, 746 const char *root_name) { 747 DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions()); 748 749 if (!valobj_sp->GetTargetSP()->GetDisplayRuntimeSupportValues() && 750 valobj_sp->IsRuntimeSupportValue()) 751 return; 752 753 switch (var_sp->GetScope()) { 754 case eValueTypeVariableGlobal: 755 if (m_option_variable.show_scope) 756 s.PutCString("GLOBAL: "); 757 break; 758 759 case eValueTypeVariableStatic: 760 if (m_option_variable.show_scope) 761 s.PutCString("STATIC: "); 762 break; 763 764 case eValueTypeVariableArgument: 765 if (m_option_variable.show_scope) 766 s.PutCString(" ARG: "); 767 break; 768 769 case eValueTypeVariableLocal: 770 if (m_option_variable.show_scope) 771 s.PutCString(" LOCAL: "); 772 break; 773 774 case eValueTypeVariableThreadLocal: 775 if (m_option_variable.show_scope) 776 s.PutCString("THREAD: "); 777 break; 778 779 default: 780 break; 781 } 782 783 if (m_option_variable.show_decl) { 784 bool show_fullpaths = false; 785 bool show_module = true; 786 if (var_sp->DumpDeclaration(&s, show_fullpaths, show_module)) 787 s.PutCString(": "); 788 } 789 790 const Format format = m_option_format.GetFormat(); 791 if (format != eFormatDefault) 792 options.SetFormat(format); 793 794 options.SetRootValueObjectName(root_name); 795 796 valobj_sp->Dump(s, options); 797 } 798 799 static size_t GetVariableCallback(void *baton, const char *name, 800 VariableList &variable_list) { 801 Target *target = static_cast<Target *>(baton); 802 if (target) { 803 return target->GetImages().FindGlobalVariables(ConstString(name), 804 UINT32_MAX, variable_list); 805 } 806 return 0; 807 } 808 809 Options *GetOptions() override { return &m_option_group; } 810 811 protected: 812 void DumpGlobalVariableList(const ExecutionContext &exe_ctx, 813 const SymbolContext &sc, 814 const VariableList &variable_list, Stream &s) { 815 size_t count = variable_list.GetSize(); 816 if (count > 0) { 817 if (sc.module_sp) { 818 if (sc.comp_unit) { 819 s.Printf("Global variables for %s in %s:\n", 820 sc.comp_unit->GetPath().c_str(), 821 sc.module_sp->GetFileSpec().GetPath().c_str()); 822 } else { 823 s.Printf("Global variables for %s\n", 824 sc.module_sp->GetFileSpec().GetPath().c_str()); 825 } 826 } else if (sc.comp_unit) { 827 s.Printf("Global variables for %s\n", sc.comp_unit->GetPath().c_str()); 828 } 829 830 for (uint32_t i = 0; i < count; ++i) { 831 VariableSP var_sp(variable_list.GetVariableAtIndex(i)); 832 if (var_sp) { 833 ValueObjectSP valobj_sp(ValueObjectVariable::Create( 834 exe_ctx.GetBestExecutionContextScope(), var_sp)); 835 836 if (valobj_sp) 837 DumpValueObject(s, var_sp, valobj_sp, 838 var_sp->GetName().GetCString()); 839 } 840 } 841 } 842 } 843 844 bool DoExecute(Args &args, CommandReturnObject &result) override { 845 Target *target = m_exe_ctx.GetTargetPtr(); 846 const size_t argc = args.GetArgumentCount(); 847 Stream &s = result.GetOutputStream(); 848 849 if (argc > 0) { 850 851 // TODO: Convert to entry-based iteration. Requires converting 852 // DumpValueObject. 853 for (size_t idx = 0; idx < argc; ++idx) { 854 VariableList variable_list; 855 ValueObjectList valobj_list; 856 857 const char *arg = args.GetArgumentAtIndex(idx); 858 size_t matches = 0; 859 bool use_var_name = false; 860 if (m_option_variable.use_regex) { 861 RegularExpression regex(llvm::StringRef::withNullAsEmpty(arg)); 862 if (!regex.IsValid()) { 863 result.GetErrorStream().Printf( 864 "error: invalid regular expression: '%s'\n", arg); 865 result.SetStatus(eReturnStatusFailed); 866 return false; 867 } 868 use_var_name = true; 869 matches = target->GetImages().FindGlobalVariables(regex, UINT32_MAX, 870 variable_list); 871 } else { 872 Status error(Variable::GetValuesForVariableExpressionPath( 873 arg, m_exe_ctx.GetBestExecutionContextScope(), 874 GetVariableCallback, target, variable_list, valobj_list)); 875 matches = variable_list.GetSize(); 876 } 877 878 if (matches == 0) { 879 result.GetErrorStream().Printf( 880 "error: can't find global variable '%s'\n", arg); 881 result.SetStatus(eReturnStatusFailed); 882 return false; 883 } else { 884 for (uint32_t global_idx = 0; global_idx < matches; ++global_idx) { 885 VariableSP var_sp(variable_list.GetVariableAtIndex(global_idx)); 886 if (var_sp) { 887 ValueObjectSP valobj_sp( 888 valobj_list.GetValueObjectAtIndex(global_idx)); 889 if (!valobj_sp) 890 valobj_sp = ValueObjectVariable::Create( 891 m_exe_ctx.GetBestExecutionContextScope(), var_sp); 892 893 if (valobj_sp) 894 DumpValueObject(s, var_sp, valobj_sp, 895 use_var_name ? var_sp->GetName().GetCString() 896 : arg); 897 } 898 } 899 } 900 } 901 } else { 902 const FileSpecList &compile_units = 903 m_option_compile_units.GetOptionValue().GetCurrentValue(); 904 const FileSpecList &shlibs = 905 m_option_shared_libraries.GetOptionValue().GetCurrentValue(); 906 SymbolContextList sc_list; 907 const size_t num_compile_units = compile_units.GetSize(); 908 const size_t num_shlibs = shlibs.GetSize(); 909 if (num_compile_units == 0 && num_shlibs == 0) { 910 bool success = false; 911 StackFrame *frame = m_exe_ctx.GetFramePtr(); 912 CompileUnit *comp_unit = nullptr; 913 if (frame) { 914 SymbolContext sc = frame->GetSymbolContext(eSymbolContextCompUnit); 915 if (sc.comp_unit) { 916 const bool can_create = true; 917 VariableListSP comp_unit_varlist_sp( 918 sc.comp_unit->GetVariableList(can_create)); 919 if (comp_unit_varlist_sp) { 920 size_t count = comp_unit_varlist_sp->GetSize(); 921 if (count > 0) { 922 DumpGlobalVariableList(m_exe_ctx, sc, *comp_unit_varlist_sp, s); 923 success = true; 924 } 925 } 926 } 927 } 928 if (!success) { 929 if (frame) { 930 if (comp_unit) 931 result.AppendErrorWithFormat( 932 "no global variables in current compile unit: %s\n", 933 comp_unit->GetPath().c_str()); 934 else 935 result.AppendErrorWithFormat( 936 "no debug information for frame %u\n", 937 frame->GetFrameIndex()); 938 } else 939 result.AppendError("'target variable' takes one or more global " 940 "variable names as arguments\n"); 941 result.SetStatus(eReturnStatusFailed); 942 } 943 } else { 944 SymbolContextList sc_list; 945 const bool append = true; 946 // We have one or more compile unit or shlib 947 if (num_shlibs > 0) { 948 for (size_t shlib_idx = 0; shlib_idx < num_shlibs; ++shlib_idx) { 949 const FileSpec module_file(shlibs.GetFileSpecAtIndex(shlib_idx)); 950 ModuleSpec module_spec(module_file); 951 952 ModuleSP module_sp( 953 target->GetImages().FindFirstModule(module_spec)); 954 if (module_sp) { 955 if (num_compile_units > 0) { 956 for (size_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) 957 module_sp->FindCompileUnits( 958 compile_units.GetFileSpecAtIndex(cu_idx), append, 959 sc_list); 960 } else { 961 SymbolContext sc; 962 sc.module_sp = module_sp; 963 sc_list.Append(sc); 964 } 965 } else { 966 // Didn't find matching shlib/module in target... 967 result.AppendErrorWithFormat( 968 "target doesn't contain the specified shared library: %s\n", 969 module_file.GetPath().c_str()); 970 } 971 } 972 } else { 973 // No shared libraries, we just want to find globals for the compile 974 // units files that were specified 975 for (size_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) 976 target->GetImages().FindCompileUnits( 977 compile_units.GetFileSpecAtIndex(cu_idx), append, sc_list); 978 } 979 980 const uint32_t num_scs = sc_list.GetSize(); 981 if (num_scs > 0) { 982 SymbolContext sc; 983 for (uint32_t sc_idx = 0; sc_idx < num_scs; ++sc_idx) { 984 if (sc_list.GetContextAtIndex(sc_idx, sc)) { 985 if (sc.comp_unit) { 986 const bool can_create = true; 987 VariableListSP comp_unit_varlist_sp( 988 sc.comp_unit->GetVariableList(can_create)); 989 if (comp_unit_varlist_sp) 990 DumpGlobalVariableList(m_exe_ctx, sc, *comp_unit_varlist_sp, 991 s); 992 } else if (sc.module_sp) { 993 // Get all global variables for this module 994 lldb_private::RegularExpression all_globals_regex( 995 llvm::StringRef( 996 ".")); // Any global with at least one character 997 VariableList variable_list; 998 sc.module_sp->FindGlobalVariables(all_globals_regex, UINT32_MAX, 999 variable_list); 1000 DumpGlobalVariableList(m_exe_ctx, sc, variable_list, s); 1001 } 1002 } 1003 } 1004 } 1005 } 1006 } 1007 1008 if (m_interpreter.TruncationWarningNecessary()) { 1009 result.GetOutputStream().Printf(m_interpreter.TruncationWarningText(), 1010 m_cmd_name.c_str()); 1011 m_interpreter.TruncationWarningGiven(); 1012 } 1013 1014 return result.Succeeded(); 1015 } 1016 1017 OptionGroupOptions m_option_group; 1018 OptionGroupVariable m_option_variable; 1019 OptionGroupFormat m_option_format; 1020 OptionGroupFileList m_option_compile_units; 1021 OptionGroupFileList m_option_shared_libraries; 1022 OptionGroupValueObjectDisplay m_varobj_options; 1023 }; 1024 1025 #pragma mark CommandObjectTargetModulesSearchPathsAdd 1026 1027 class CommandObjectTargetModulesSearchPathsAdd : public CommandObjectParsed { 1028 public: 1029 CommandObjectTargetModulesSearchPathsAdd(CommandInterpreter &interpreter) 1030 : CommandObjectParsed(interpreter, "target modules search-paths add", 1031 "Add new image search paths substitution pairs to " 1032 "the current target.", 1033 nullptr, eCommandRequiresTarget) { 1034 CommandArgumentEntry arg; 1035 CommandArgumentData old_prefix_arg; 1036 CommandArgumentData new_prefix_arg; 1037 1038 // Define the first variant of this arg pair. 1039 old_prefix_arg.arg_type = eArgTypeOldPathPrefix; 1040 old_prefix_arg.arg_repetition = eArgRepeatPairPlus; 1041 1042 // Define the first variant of this arg pair. 1043 new_prefix_arg.arg_type = eArgTypeNewPathPrefix; 1044 new_prefix_arg.arg_repetition = eArgRepeatPairPlus; 1045 1046 // There are two required arguments that must always occur together, i.e. 1047 // an argument "pair". Because they must always occur together, they are 1048 // treated as two variants of one argument rather than two independent 1049 // arguments. Push them both into the first argument position for 1050 // m_arguments... 1051 1052 arg.push_back(old_prefix_arg); 1053 arg.push_back(new_prefix_arg); 1054 1055 m_arguments.push_back(arg); 1056 } 1057 1058 ~CommandObjectTargetModulesSearchPathsAdd() override = default; 1059 1060 protected: 1061 bool DoExecute(Args &command, CommandReturnObject &result) override { 1062 Target *target = &GetSelectedTarget(); 1063 const size_t argc = command.GetArgumentCount(); 1064 if (argc & 1) { 1065 result.AppendError("add requires an even number of arguments\n"); 1066 result.SetStatus(eReturnStatusFailed); 1067 } else { 1068 for (size_t i = 0; i < argc; i += 2) { 1069 const char *from = command.GetArgumentAtIndex(i); 1070 const char *to = command.GetArgumentAtIndex(i + 1); 1071 1072 if (from[0] && to[0]) { 1073 Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST); 1074 if (log) { 1075 LLDB_LOGF(log, 1076 "target modules search path adding ImageSearchPath " 1077 "pair: '%s' -> '%s'", 1078 from, to); 1079 } 1080 bool last_pair = ((argc - i) == 2); 1081 target->GetImageSearchPathList().Append( 1082 ConstString(from), ConstString(to), 1083 last_pair); // Notify if this is the last pair 1084 result.SetStatus(eReturnStatusSuccessFinishNoResult); 1085 } else { 1086 if (from[0]) 1087 result.AppendError("<path-prefix> can't be empty\n"); 1088 else 1089 result.AppendError("<new-path-prefix> can't be empty\n"); 1090 result.SetStatus(eReturnStatusFailed); 1091 } 1092 } 1093 } 1094 return result.Succeeded(); 1095 } 1096 }; 1097 1098 #pragma mark CommandObjectTargetModulesSearchPathsClear 1099 1100 class CommandObjectTargetModulesSearchPathsClear : public CommandObjectParsed { 1101 public: 1102 CommandObjectTargetModulesSearchPathsClear(CommandInterpreter &interpreter) 1103 : CommandObjectParsed(interpreter, "target modules search-paths clear", 1104 "Clear all current image search path substitution " 1105 "pairs from the current target.", 1106 "target modules search-paths clear", 1107 eCommandRequiresTarget) {} 1108 1109 ~CommandObjectTargetModulesSearchPathsClear() override = default; 1110 1111 protected: 1112 bool DoExecute(Args &command, CommandReturnObject &result) override { 1113 Target *target = &GetSelectedTarget(); 1114 bool notify = true; 1115 target->GetImageSearchPathList().Clear(notify); 1116 result.SetStatus(eReturnStatusSuccessFinishNoResult); 1117 return result.Succeeded(); 1118 } 1119 }; 1120 1121 #pragma mark CommandObjectTargetModulesSearchPathsInsert 1122 1123 class CommandObjectTargetModulesSearchPathsInsert : public CommandObjectParsed { 1124 public: 1125 CommandObjectTargetModulesSearchPathsInsert(CommandInterpreter &interpreter) 1126 : CommandObjectParsed(interpreter, "target modules search-paths insert", 1127 "Insert a new image search path substitution pair " 1128 "into the current target at the specified index.", 1129 nullptr, eCommandRequiresTarget) { 1130 CommandArgumentEntry arg1; 1131 CommandArgumentEntry arg2; 1132 CommandArgumentData index_arg; 1133 CommandArgumentData old_prefix_arg; 1134 CommandArgumentData new_prefix_arg; 1135 1136 // Define the first and only variant of this arg. 1137 index_arg.arg_type = eArgTypeIndex; 1138 index_arg.arg_repetition = eArgRepeatPlain; 1139 1140 // Put the one and only variant into the first arg for m_arguments: 1141 arg1.push_back(index_arg); 1142 1143 // Define the first variant of this arg pair. 1144 old_prefix_arg.arg_type = eArgTypeOldPathPrefix; 1145 old_prefix_arg.arg_repetition = eArgRepeatPairPlus; 1146 1147 // Define the first variant of this arg pair. 1148 new_prefix_arg.arg_type = eArgTypeNewPathPrefix; 1149 new_prefix_arg.arg_repetition = eArgRepeatPairPlus; 1150 1151 // There are two required arguments that must always occur together, i.e. 1152 // an argument "pair". Because they must always occur together, they are 1153 // treated as two variants of one argument rather than two independent 1154 // arguments. Push them both into the same argument position for 1155 // m_arguments... 1156 1157 arg2.push_back(old_prefix_arg); 1158 arg2.push_back(new_prefix_arg); 1159 1160 // Add arguments to m_arguments. 1161 m_arguments.push_back(arg1); 1162 m_arguments.push_back(arg2); 1163 } 1164 1165 ~CommandObjectTargetModulesSearchPathsInsert() override = default; 1166 1167 protected: 1168 bool DoExecute(Args &command, CommandReturnObject &result) override { 1169 Target *target = &GetSelectedTarget(); 1170 size_t argc = command.GetArgumentCount(); 1171 // check for at least 3 arguments and an odd number of parameters 1172 if (argc >= 3 && argc & 1) { 1173 bool success = false; 1174 1175 uint32_t insert_idx = StringConvert::ToUInt32( 1176 command.GetArgumentAtIndex(0), UINT32_MAX, 0, &success); 1177 1178 if (!success) { 1179 result.AppendErrorWithFormat( 1180 "<index> parameter is not an integer: '%s'.\n", 1181 command.GetArgumentAtIndex(0)); 1182 result.SetStatus(eReturnStatusFailed); 1183 return result.Succeeded(); 1184 } 1185 1186 // shift off the index 1187 command.Shift(); 1188 argc = command.GetArgumentCount(); 1189 1190 for (uint32_t i = 0; i < argc; i += 2, ++insert_idx) { 1191 const char *from = command.GetArgumentAtIndex(i); 1192 const char *to = command.GetArgumentAtIndex(i + 1); 1193 1194 if (from[0] && to[0]) { 1195 bool last_pair = ((argc - i) == 2); 1196 target->GetImageSearchPathList().Insert( 1197 ConstString(from), ConstString(to), insert_idx, last_pair); 1198 result.SetStatus(eReturnStatusSuccessFinishNoResult); 1199 } else { 1200 if (from[0]) 1201 result.AppendError("<path-prefix> can't be empty\n"); 1202 else 1203 result.AppendError("<new-path-prefix> can't be empty\n"); 1204 result.SetStatus(eReturnStatusFailed); 1205 return false; 1206 } 1207 } 1208 } else { 1209 result.AppendError("insert requires at least three arguments\n"); 1210 result.SetStatus(eReturnStatusFailed); 1211 return result.Succeeded(); 1212 } 1213 return result.Succeeded(); 1214 } 1215 }; 1216 1217 #pragma mark CommandObjectTargetModulesSearchPathsList 1218 1219 class CommandObjectTargetModulesSearchPathsList : public CommandObjectParsed { 1220 public: 1221 CommandObjectTargetModulesSearchPathsList(CommandInterpreter &interpreter) 1222 : CommandObjectParsed(interpreter, "target modules search-paths list", 1223 "List all current image search path substitution " 1224 "pairs in the current target.", 1225 "target modules search-paths list", 1226 eCommandRequiresTarget) {} 1227 1228 ~CommandObjectTargetModulesSearchPathsList() override = default; 1229 1230 protected: 1231 bool DoExecute(Args &command, CommandReturnObject &result) override { 1232 Target *target = &GetSelectedTarget(); 1233 if (command.GetArgumentCount() != 0) { 1234 result.AppendError("list takes no arguments\n"); 1235 result.SetStatus(eReturnStatusFailed); 1236 return result.Succeeded(); 1237 } 1238 1239 target->GetImageSearchPathList().Dump(&result.GetOutputStream()); 1240 result.SetStatus(eReturnStatusSuccessFinishResult); 1241 return result.Succeeded(); 1242 } 1243 }; 1244 1245 #pragma mark CommandObjectTargetModulesSearchPathsQuery 1246 1247 class CommandObjectTargetModulesSearchPathsQuery : public CommandObjectParsed { 1248 public: 1249 CommandObjectTargetModulesSearchPathsQuery(CommandInterpreter &interpreter) 1250 : CommandObjectParsed( 1251 interpreter, "target modules search-paths query", 1252 "Transform a path using the first applicable image search path.", 1253 nullptr, eCommandRequiresTarget) { 1254 CommandArgumentEntry arg; 1255 CommandArgumentData path_arg; 1256 1257 // Define the first (and only) variant of this arg. 1258 path_arg.arg_type = eArgTypeDirectoryName; 1259 path_arg.arg_repetition = eArgRepeatPlain; 1260 1261 // There is only one variant this argument could be; put it into the 1262 // argument entry. 1263 arg.push_back(path_arg); 1264 1265 // Push the data for the first argument into the m_arguments vector. 1266 m_arguments.push_back(arg); 1267 } 1268 1269 ~CommandObjectTargetModulesSearchPathsQuery() override = default; 1270 1271 protected: 1272 bool DoExecute(Args &command, CommandReturnObject &result) override { 1273 Target *target = &GetSelectedTarget(); 1274 if (command.GetArgumentCount() != 1) { 1275 result.AppendError("query requires one argument\n"); 1276 result.SetStatus(eReturnStatusFailed); 1277 return result.Succeeded(); 1278 } 1279 1280 ConstString orig(command.GetArgumentAtIndex(0)); 1281 ConstString transformed; 1282 if (target->GetImageSearchPathList().RemapPath(orig, transformed)) 1283 result.GetOutputStream().Printf("%s\n", transformed.GetCString()); 1284 else 1285 result.GetOutputStream().Printf("%s\n", orig.GetCString()); 1286 1287 result.SetStatus(eReturnStatusSuccessFinishResult); 1288 return result.Succeeded(); 1289 } 1290 }; 1291 1292 // Static Helper functions 1293 static void DumpModuleArchitecture(Stream &strm, Module *module, 1294 bool full_triple, uint32_t width) { 1295 if (module) { 1296 StreamString arch_strm; 1297 1298 if (full_triple) 1299 module->GetArchitecture().DumpTriple(arch_strm); 1300 else 1301 arch_strm.PutCString(module->GetArchitecture().GetArchitectureName()); 1302 std::string arch_str = arch_strm.GetString(); 1303 1304 if (width) 1305 strm.Printf("%-*s", width, arch_str.c_str()); 1306 else 1307 strm.PutCString(arch_str); 1308 } 1309 } 1310 1311 static void DumpModuleUUID(Stream &strm, Module *module) { 1312 if (module && module->GetUUID().IsValid()) 1313 module->GetUUID().Dump(&strm); 1314 else 1315 strm.PutCString(" "); 1316 } 1317 1318 static uint32_t DumpCompileUnitLineTable(CommandInterpreter &interpreter, 1319 Stream &strm, Module *module, 1320 const FileSpec &file_spec, 1321 lldb::DescriptionLevel desc_level) { 1322 uint32_t num_matches = 0; 1323 if (module) { 1324 SymbolContextList sc_list; 1325 num_matches = module->ResolveSymbolContextsForFileSpec( 1326 file_spec, 0, false, eSymbolContextCompUnit, sc_list); 1327 1328 for (uint32_t i = 0; i < num_matches; ++i) { 1329 SymbolContext sc; 1330 if (sc_list.GetContextAtIndex(i, sc)) { 1331 if (i > 0) 1332 strm << "\n\n"; 1333 1334 strm << "Line table for " << *static_cast<FileSpec *>(sc.comp_unit) 1335 << " in `" << module->GetFileSpec().GetFilename() << "\n"; 1336 LineTable *line_table = sc.comp_unit->GetLineTable(); 1337 if (line_table) 1338 line_table->GetDescription( 1339 &strm, interpreter.GetExecutionContext().GetTargetPtr(), 1340 desc_level); 1341 else 1342 strm << "No line table"; 1343 } 1344 } 1345 } 1346 return num_matches; 1347 } 1348 1349 static void DumpFullpath(Stream &strm, const FileSpec *file_spec_ptr, 1350 uint32_t width) { 1351 if (file_spec_ptr) { 1352 if (width > 0) { 1353 std::string fullpath = file_spec_ptr->GetPath(); 1354 strm.Printf("%-*s", width, fullpath.c_str()); 1355 return; 1356 } else { 1357 file_spec_ptr->Dump(&strm); 1358 return; 1359 } 1360 } 1361 // Keep the width spacing correct if things go wrong... 1362 if (width > 0) 1363 strm.Printf("%-*s", width, ""); 1364 } 1365 1366 static void DumpDirectory(Stream &strm, const FileSpec *file_spec_ptr, 1367 uint32_t width) { 1368 if (file_spec_ptr) { 1369 if (width > 0) 1370 strm.Printf("%-*s", width, file_spec_ptr->GetDirectory().AsCString("")); 1371 else 1372 file_spec_ptr->GetDirectory().Dump(&strm); 1373 return; 1374 } 1375 // Keep the width spacing correct if things go wrong... 1376 if (width > 0) 1377 strm.Printf("%-*s", width, ""); 1378 } 1379 1380 static void DumpBasename(Stream &strm, const FileSpec *file_spec_ptr, 1381 uint32_t width) { 1382 if (file_spec_ptr) { 1383 if (width > 0) 1384 strm.Printf("%-*s", width, file_spec_ptr->GetFilename().AsCString("")); 1385 else 1386 file_spec_ptr->GetFilename().Dump(&strm); 1387 return; 1388 } 1389 // Keep the width spacing correct if things go wrong... 1390 if (width > 0) 1391 strm.Printf("%-*s", width, ""); 1392 } 1393 1394 static size_t DumpModuleObjfileHeaders(Stream &strm, ModuleList &module_list) { 1395 size_t num_dumped = 0; 1396 std::lock_guard<std::recursive_mutex> guard(module_list.GetMutex()); 1397 const size_t num_modules = module_list.GetSize(); 1398 if (num_modules > 0) { 1399 strm.Printf("Dumping headers for %" PRIu64 " module(s).\n", 1400 static_cast<uint64_t>(num_modules)); 1401 strm.IndentMore(); 1402 for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) { 1403 Module *module = module_list.GetModulePointerAtIndexUnlocked(image_idx); 1404 if (module) { 1405 if (num_dumped++ > 0) { 1406 strm.EOL(); 1407 strm.EOL(); 1408 } 1409 ObjectFile *objfile = module->GetObjectFile(); 1410 if (objfile) 1411 objfile->Dump(&strm); 1412 else { 1413 strm.Format("No object file for module: {0:F}\n", 1414 module->GetFileSpec()); 1415 } 1416 } 1417 } 1418 strm.IndentLess(); 1419 } 1420 return num_dumped; 1421 } 1422 1423 static void DumpModuleSymtab(CommandInterpreter &interpreter, Stream &strm, 1424 Module *module, SortOrder sort_order) { 1425 if (!module) 1426 return; 1427 if (Symtab *symtab = module->GetSymtab()) 1428 symtab->Dump(&strm, interpreter.GetExecutionContext().GetTargetPtr(), 1429 sort_order); 1430 } 1431 1432 static void DumpModuleSections(CommandInterpreter &interpreter, Stream &strm, 1433 Module *module) { 1434 if (module) { 1435 SectionList *section_list = module->GetSectionList(); 1436 if (section_list) { 1437 strm.Printf("Sections for '%s' (%s):\n", 1438 module->GetSpecificationDescription().c_str(), 1439 module->GetArchitecture().GetArchitectureName()); 1440 strm.IndentMore(); 1441 section_list->Dump(&strm, 1442 interpreter.GetExecutionContext().GetTargetPtr(), true, 1443 UINT32_MAX); 1444 strm.IndentLess(); 1445 } 1446 } 1447 } 1448 1449 static bool DumpModuleSymbolFile(Stream &strm, Module *module) { 1450 if (module) { 1451 if (SymbolFile *symbol_file = module->GetSymbolFile(true)) { 1452 symbol_file->Dump(strm); 1453 return true; 1454 } 1455 } 1456 return false; 1457 } 1458 1459 static void DumpAddress(ExecutionContextScope *exe_scope, 1460 const Address &so_addr, bool verbose, Stream &strm) { 1461 strm.IndentMore(); 1462 strm.Indent(" Address: "); 1463 so_addr.Dump(&strm, exe_scope, Address::DumpStyleModuleWithFileAddress); 1464 strm.PutCString(" ("); 1465 so_addr.Dump(&strm, exe_scope, Address::DumpStyleSectionNameOffset); 1466 strm.PutCString(")\n"); 1467 strm.Indent(" Summary: "); 1468 const uint32_t save_indent = strm.GetIndentLevel(); 1469 strm.SetIndentLevel(save_indent + 13); 1470 so_addr.Dump(&strm, exe_scope, Address::DumpStyleResolvedDescription); 1471 strm.SetIndentLevel(save_indent); 1472 // Print out detailed address information when verbose is enabled 1473 if (verbose) { 1474 strm.EOL(); 1475 so_addr.Dump(&strm, exe_scope, Address::DumpStyleDetailedSymbolContext); 1476 } 1477 strm.IndentLess(); 1478 } 1479 1480 static bool LookupAddressInModule(CommandInterpreter &interpreter, Stream &strm, 1481 Module *module, uint32_t resolve_mask, 1482 lldb::addr_t raw_addr, lldb::addr_t offset, 1483 bool verbose) { 1484 if (module) { 1485 lldb::addr_t addr = raw_addr - offset; 1486 Address so_addr; 1487 SymbolContext sc; 1488 Target *target = interpreter.GetExecutionContext().GetTargetPtr(); 1489 if (target && !target->GetSectionLoadList().IsEmpty()) { 1490 if (!target->GetSectionLoadList().ResolveLoadAddress(addr, so_addr)) 1491 return false; 1492 else if (so_addr.GetModule().get() != module) 1493 return false; 1494 } else { 1495 if (!module->ResolveFileAddress(addr, so_addr)) 1496 return false; 1497 } 1498 1499 ExecutionContextScope *exe_scope = 1500 interpreter.GetExecutionContext().GetBestExecutionContextScope(); 1501 DumpAddress(exe_scope, so_addr, verbose, strm); 1502 // strm.IndentMore(); 1503 // strm.Indent (" Address: "); 1504 // so_addr.Dump (&strm, exe_scope, 1505 // Address::DumpStyleModuleWithFileAddress); 1506 // strm.PutCString (" ("); 1507 // so_addr.Dump (&strm, exe_scope, 1508 // Address::DumpStyleSectionNameOffset); 1509 // strm.PutCString (")\n"); 1510 // strm.Indent (" Summary: "); 1511 // const uint32_t save_indent = strm.GetIndentLevel (); 1512 // strm.SetIndentLevel (save_indent + 13); 1513 // so_addr.Dump (&strm, exe_scope, 1514 // Address::DumpStyleResolvedDescription); 1515 // strm.SetIndentLevel (save_indent); 1516 // // Print out detailed address information when verbose is enabled 1517 // if (verbose) 1518 // { 1519 // strm.EOL(); 1520 // so_addr.Dump (&strm, exe_scope, 1521 // Address::DumpStyleDetailedSymbolContext); 1522 // } 1523 // strm.IndentLess(); 1524 return true; 1525 } 1526 1527 return false; 1528 } 1529 1530 static uint32_t LookupSymbolInModule(CommandInterpreter &interpreter, 1531 Stream &strm, Module *module, 1532 const char *name, bool name_is_regex, 1533 bool verbose) { 1534 if (!module) 1535 return 0; 1536 1537 Symtab *symtab = module->GetSymtab(); 1538 if (!symtab) 1539 return 0; 1540 1541 SymbolContext sc; 1542 std::vector<uint32_t> match_indexes; 1543 ConstString symbol_name(name); 1544 uint32_t num_matches = 0; 1545 if (name_is_regex) { 1546 RegularExpression name_regexp(symbol_name.GetStringRef()); 1547 num_matches = symtab->AppendSymbolIndexesMatchingRegExAndType( 1548 name_regexp, eSymbolTypeAny, match_indexes); 1549 } else { 1550 num_matches = 1551 symtab->AppendSymbolIndexesWithName(symbol_name, match_indexes); 1552 } 1553 1554 if (num_matches > 0) { 1555 strm.Indent(); 1556 strm.Printf("%u symbols match %s'%s' in ", num_matches, 1557 name_is_regex ? "the regular expression " : "", name); 1558 DumpFullpath(strm, &module->GetFileSpec(), 0); 1559 strm.PutCString(":\n"); 1560 strm.IndentMore(); 1561 for (uint32_t i = 0; i < num_matches; ++i) { 1562 Symbol *symbol = symtab->SymbolAtIndex(match_indexes[i]); 1563 if (symbol && symbol->ValueIsAddress()) { 1564 DumpAddress( 1565 interpreter.GetExecutionContext().GetBestExecutionContextScope(), 1566 symbol->GetAddressRef(), verbose, strm); 1567 } 1568 } 1569 strm.IndentLess(); 1570 } 1571 return num_matches; 1572 } 1573 1574 static void DumpSymbolContextList(ExecutionContextScope *exe_scope, 1575 Stream &strm, SymbolContextList &sc_list, 1576 bool verbose) { 1577 strm.IndentMore(); 1578 1579 const uint32_t num_matches = sc_list.GetSize(); 1580 1581 for (uint32_t i = 0; i < num_matches; ++i) { 1582 SymbolContext sc; 1583 if (sc_list.GetContextAtIndex(i, sc)) { 1584 AddressRange range; 1585 1586 sc.GetAddressRange(eSymbolContextEverything, 0, true, range); 1587 1588 DumpAddress(exe_scope, range.GetBaseAddress(), verbose, strm); 1589 } 1590 } 1591 strm.IndentLess(); 1592 } 1593 1594 static size_t LookupFunctionInModule(CommandInterpreter &interpreter, 1595 Stream &strm, Module *module, 1596 const char *name, bool name_is_regex, 1597 bool include_inlines, bool include_symbols, 1598 bool verbose) { 1599 if (module && name && name[0]) { 1600 SymbolContextList sc_list; 1601 const bool append = true; 1602 size_t num_matches = 0; 1603 if (name_is_regex) { 1604 RegularExpression function_name_regex((llvm::StringRef(name))); 1605 num_matches = module->FindFunctions(function_name_regex, include_symbols, 1606 include_inlines, append, sc_list); 1607 } else { 1608 ConstString function_name(name); 1609 num_matches = module->FindFunctions( 1610 function_name, nullptr, eFunctionNameTypeAuto, include_symbols, 1611 include_inlines, append, sc_list); 1612 } 1613 1614 if (num_matches) { 1615 strm.Indent(); 1616 strm.Printf("%" PRIu64 " match%s found in ", (uint64_t)num_matches, 1617 num_matches > 1 ? "es" : ""); 1618 DumpFullpath(strm, &module->GetFileSpec(), 0); 1619 strm.PutCString(":\n"); 1620 DumpSymbolContextList( 1621 interpreter.GetExecutionContext().GetBestExecutionContextScope(), 1622 strm, sc_list, verbose); 1623 } 1624 return num_matches; 1625 } 1626 return 0; 1627 } 1628 1629 static size_t LookupTypeInModule(CommandInterpreter &interpreter, Stream &strm, 1630 Module *module, const char *name_cstr, 1631 bool name_is_regex) { 1632 TypeList type_list; 1633 if (module && name_cstr && name_cstr[0]) { 1634 const uint32_t max_num_matches = UINT32_MAX; 1635 size_t num_matches = 0; 1636 bool name_is_fully_qualified = false; 1637 1638 ConstString name(name_cstr); 1639 llvm::DenseSet<lldb_private::SymbolFile *> searched_symbol_files; 1640 module->FindTypes(name, name_is_fully_qualified, max_num_matches, 1641 searched_symbol_files, type_list); 1642 1643 if (type_list.Empty()) 1644 return 0; 1645 1646 strm.Indent(); 1647 strm.Printf("%" PRIu64 " match%s found in ", (uint64_t)num_matches, 1648 num_matches > 1 ? "es" : ""); 1649 DumpFullpath(strm, &module->GetFileSpec(), 0); 1650 strm.PutCString(":\n"); 1651 for (TypeSP type_sp : type_list.Types()) { 1652 if (!type_sp) 1653 continue; 1654 // Resolve the clang type so that any forward references to types 1655 // that haven't yet been parsed will get parsed. 1656 type_sp->GetFullCompilerType(); 1657 type_sp->GetDescription(&strm, eDescriptionLevelFull, true); 1658 // Print all typedef chains 1659 TypeSP typedef_type_sp(type_sp); 1660 TypeSP typedefed_type_sp(typedef_type_sp->GetTypedefType()); 1661 while (typedefed_type_sp) { 1662 strm.EOL(); 1663 strm.Printf(" typedef '%s': ", 1664 typedef_type_sp->GetName().GetCString()); 1665 typedefed_type_sp->GetFullCompilerType(); 1666 typedefed_type_sp->GetDescription(&strm, eDescriptionLevelFull, true); 1667 typedef_type_sp = typedefed_type_sp; 1668 typedefed_type_sp = typedef_type_sp->GetTypedefType(); 1669 } 1670 } 1671 strm.EOL(); 1672 } 1673 return type_list.GetSize(); 1674 } 1675 1676 static size_t LookupTypeHere(CommandInterpreter &interpreter, Stream &strm, 1677 Module &module, const char *name_cstr, 1678 bool name_is_regex) { 1679 TypeList type_list; 1680 const uint32_t max_num_matches = UINT32_MAX; 1681 bool name_is_fully_qualified = false; 1682 1683 ConstString name(name_cstr); 1684 llvm::DenseSet<SymbolFile *> searched_symbol_files; 1685 module.FindTypes(name, name_is_fully_qualified, max_num_matches, 1686 searched_symbol_files, type_list); 1687 1688 if (type_list.Empty()) 1689 return 0; 1690 1691 strm.Indent(); 1692 strm.PutCString("Best match found in "); 1693 DumpFullpath(strm, &module.GetFileSpec(), 0); 1694 strm.PutCString(":\n"); 1695 1696 TypeSP type_sp(type_list.GetTypeAtIndex(0)); 1697 if (type_sp) { 1698 // Resolve the clang type so that any forward references to types that 1699 // haven't yet been parsed will get parsed. 1700 type_sp->GetFullCompilerType(); 1701 type_sp->GetDescription(&strm, eDescriptionLevelFull, true); 1702 // Print all typedef chains 1703 TypeSP typedef_type_sp(type_sp); 1704 TypeSP typedefed_type_sp(typedef_type_sp->GetTypedefType()); 1705 while (typedefed_type_sp) { 1706 strm.EOL(); 1707 strm.Printf(" typedef '%s': ", 1708 typedef_type_sp->GetName().GetCString()); 1709 typedefed_type_sp->GetFullCompilerType(); 1710 typedefed_type_sp->GetDescription(&strm, eDescriptionLevelFull, true); 1711 typedef_type_sp = typedefed_type_sp; 1712 typedefed_type_sp = typedef_type_sp->GetTypedefType(); 1713 } 1714 } 1715 strm.EOL(); 1716 return type_list.GetSize(); 1717 } 1718 1719 static uint32_t LookupFileAndLineInModule(CommandInterpreter &interpreter, 1720 Stream &strm, Module *module, 1721 const FileSpec &file_spec, 1722 uint32_t line, bool check_inlines, 1723 bool verbose) { 1724 if (module && file_spec) { 1725 SymbolContextList sc_list; 1726 const uint32_t num_matches = module->ResolveSymbolContextsForFileSpec( 1727 file_spec, line, check_inlines, eSymbolContextEverything, sc_list); 1728 if (num_matches > 0) { 1729 strm.Indent(); 1730 strm.Printf("%u match%s found in ", num_matches, 1731 num_matches > 1 ? "es" : ""); 1732 strm << file_spec; 1733 if (line > 0) 1734 strm.Printf(":%u", line); 1735 strm << " in "; 1736 DumpFullpath(strm, &module->GetFileSpec(), 0); 1737 strm.PutCString(":\n"); 1738 DumpSymbolContextList( 1739 interpreter.GetExecutionContext().GetBestExecutionContextScope(), 1740 strm, sc_list, verbose); 1741 return num_matches; 1742 } 1743 } 1744 return 0; 1745 } 1746 1747 static size_t FindModulesByName(Target *target, const char *module_name, 1748 ModuleList &module_list, 1749 bool check_global_list) { 1750 FileSpec module_file_spec(module_name); 1751 ModuleSpec module_spec(module_file_spec); 1752 1753 const size_t initial_size = module_list.GetSize(); 1754 1755 if (check_global_list) { 1756 // Check the global list 1757 std::lock_guard<std::recursive_mutex> guard( 1758 Module::GetAllocationModuleCollectionMutex()); 1759 const size_t num_modules = Module::GetNumberAllocatedModules(); 1760 ModuleSP module_sp; 1761 for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) { 1762 Module *module = Module::GetAllocatedModuleAtIndex(image_idx); 1763 1764 if (module) { 1765 if (module->MatchesModuleSpec(module_spec)) { 1766 module_sp = module->shared_from_this(); 1767 module_list.AppendIfNeeded(module_sp); 1768 } 1769 } 1770 } 1771 } else { 1772 if (target) { 1773 const size_t num_matches = 1774 target->GetImages().FindModules(module_spec, module_list); 1775 1776 // Not found in our module list for our target, check the main shared 1777 // module list in case it is a extra file used somewhere else 1778 if (num_matches == 0) { 1779 module_spec.GetArchitecture() = target->GetArchitecture(); 1780 ModuleList::FindSharedModules(module_spec, module_list); 1781 } 1782 } else { 1783 ModuleList::FindSharedModules(module_spec, module_list); 1784 } 1785 } 1786 1787 return module_list.GetSize() - initial_size; 1788 } 1789 1790 #pragma mark CommandObjectTargetModulesModuleAutoComplete 1791 1792 // A base command object class that can auto complete with module file 1793 // paths 1794 1795 class CommandObjectTargetModulesModuleAutoComplete 1796 : public CommandObjectParsed { 1797 public: 1798 CommandObjectTargetModulesModuleAutoComplete(CommandInterpreter &interpreter, 1799 const char *name, 1800 const char *help, 1801 const char *syntax, 1802 uint32_t flags = 0) 1803 : CommandObjectParsed(interpreter, name, help, syntax, flags) { 1804 CommandArgumentEntry arg; 1805 CommandArgumentData file_arg; 1806 1807 // Define the first (and only) variant of this arg. 1808 file_arg.arg_type = eArgTypeFilename; 1809 file_arg.arg_repetition = eArgRepeatStar; 1810 1811 // There is only one variant this argument could be; put it into the 1812 // argument entry. 1813 arg.push_back(file_arg); 1814 1815 // Push the data for the first argument into the m_arguments vector. 1816 m_arguments.push_back(arg); 1817 } 1818 1819 ~CommandObjectTargetModulesModuleAutoComplete() override = default; 1820 1821 void 1822 HandleArgumentCompletion(CompletionRequest &request, 1823 OptionElementVector &opt_element_vector) override { 1824 CommandCompletions::InvokeCommonCompletionCallbacks( 1825 GetCommandInterpreter(), CommandCompletions::eModuleCompletion, request, 1826 nullptr); 1827 } 1828 }; 1829 1830 #pragma mark CommandObjectTargetModulesSourceFileAutoComplete 1831 1832 // A base command object class that can auto complete with module source 1833 // file paths 1834 1835 class CommandObjectTargetModulesSourceFileAutoComplete 1836 : public CommandObjectParsed { 1837 public: 1838 CommandObjectTargetModulesSourceFileAutoComplete( 1839 CommandInterpreter &interpreter, const char *name, const char *help, 1840 const char *syntax, uint32_t flags) 1841 : CommandObjectParsed(interpreter, name, help, syntax, flags) { 1842 CommandArgumentEntry arg; 1843 CommandArgumentData source_file_arg; 1844 1845 // Define the first (and only) variant of this arg. 1846 source_file_arg.arg_type = eArgTypeSourceFile; 1847 source_file_arg.arg_repetition = eArgRepeatPlus; 1848 1849 // There is only one variant this argument could be; put it into the 1850 // argument entry. 1851 arg.push_back(source_file_arg); 1852 1853 // Push the data for the first argument into the m_arguments vector. 1854 m_arguments.push_back(arg); 1855 } 1856 1857 ~CommandObjectTargetModulesSourceFileAutoComplete() override = default; 1858 1859 void 1860 HandleArgumentCompletion(CompletionRequest &request, 1861 OptionElementVector &opt_element_vector) override { 1862 CommandCompletions::InvokeCommonCompletionCallbacks( 1863 GetCommandInterpreter(), CommandCompletions::eSourceFileCompletion, 1864 request, nullptr); 1865 } 1866 }; 1867 1868 #pragma mark CommandObjectTargetModulesDumpObjfile 1869 1870 class CommandObjectTargetModulesDumpObjfile 1871 : public CommandObjectTargetModulesModuleAutoComplete { 1872 public: 1873 CommandObjectTargetModulesDumpObjfile(CommandInterpreter &interpreter) 1874 : CommandObjectTargetModulesModuleAutoComplete( 1875 interpreter, "target modules dump objfile", 1876 "Dump the object file headers from one or more target modules.", 1877 nullptr, eCommandRequiresTarget) {} 1878 1879 ~CommandObjectTargetModulesDumpObjfile() override = default; 1880 1881 protected: 1882 bool DoExecute(Args &command, CommandReturnObject &result) override { 1883 Target *target = &GetSelectedTarget(); 1884 1885 uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); 1886 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 1887 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 1888 1889 size_t num_dumped = 0; 1890 if (command.GetArgumentCount() == 0) { 1891 // Dump all headers for all modules images 1892 num_dumped = DumpModuleObjfileHeaders(result.GetOutputStream(), 1893 target->GetImages()); 1894 if (num_dumped == 0) { 1895 result.AppendError("the target has no associated executable images"); 1896 result.SetStatus(eReturnStatusFailed); 1897 } 1898 } else { 1899 // Find the modules that match the basename or full path. 1900 ModuleList module_list; 1901 const char *arg_cstr; 1902 for (int arg_idx = 0; 1903 (arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr; 1904 ++arg_idx) { 1905 size_t num_matched = 1906 FindModulesByName(target, arg_cstr, module_list, true); 1907 if (num_matched == 0) { 1908 result.AppendWarningWithFormat( 1909 "Unable to find an image that matches '%s'.\n", arg_cstr); 1910 } 1911 } 1912 // Dump all the modules we found. 1913 num_dumped = 1914 DumpModuleObjfileHeaders(result.GetOutputStream(), module_list); 1915 } 1916 1917 if (num_dumped > 0) { 1918 result.SetStatus(eReturnStatusSuccessFinishResult); 1919 } else { 1920 result.AppendError("no matching executable images found"); 1921 result.SetStatus(eReturnStatusFailed); 1922 } 1923 return result.Succeeded(); 1924 } 1925 }; 1926 1927 #pragma mark CommandObjectTargetModulesDumpSymtab 1928 1929 static constexpr OptionEnumValueElement g_sort_option_enumeration[] = { 1930 { 1931 eSortOrderNone, 1932 "none", 1933 "No sorting, use the original symbol table order.", 1934 }, 1935 { 1936 eSortOrderByAddress, 1937 "address", 1938 "Sort output by symbol address.", 1939 }, 1940 { 1941 eSortOrderByName, 1942 "name", 1943 "Sort output by symbol name.", 1944 }, 1945 }; 1946 1947 #define LLDB_OPTIONS_target_modules_dump_symtab 1948 #include "CommandOptions.inc" 1949 1950 class CommandObjectTargetModulesDumpSymtab 1951 : public CommandObjectTargetModulesModuleAutoComplete { 1952 public: 1953 CommandObjectTargetModulesDumpSymtab(CommandInterpreter &interpreter) 1954 : CommandObjectTargetModulesModuleAutoComplete( 1955 interpreter, "target modules dump symtab", 1956 "Dump the symbol table from one or more target modules.", nullptr, 1957 eCommandRequiresTarget), 1958 m_options() {} 1959 1960 ~CommandObjectTargetModulesDumpSymtab() override = default; 1961 1962 Options *GetOptions() override { return &m_options; } 1963 1964 class CommandOptions : public Options { 1965 public: 1966 CommandOptions() : Options(), m_sort_order(eSortOrderNone) {} 1967 1968 ~CommandOptions() override = default; 1969 1970 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 1971 ExecutionContext *execution_context) override { 1972 Status error; 1973 const int short_option = m_getopt_table[option_idx].val; 1974 1975 switch (short_option) { 1976 case 's': 1977 m_sort_order = (SortOrder)OptionArgParser::ToOptionEnum( 1978 option_arg, GetDefinitions()[option_idx].enum_values, 1979 eSortOrderNone, error); 1980 break; 1981 1982 default: 1983 llvm_unreachable("Unimplemented option"); 1984 } 1985 return error; 1986 } 1987 1988 void OptionParsingStarting(ExecutionContext *execution_context) override { 1989 m_sort_order = eSortOrderNone; 1990 } 1991 1992 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 1993 return llvm::makeArrayRef(g_target_modules_dump_symtab_options); 1994 } 1995 1996 SortOrder m_sort_order; 1997 }; 1998 1999 protected: 2000 bool DoExecute(Args &command, CommandReturnObject &result) override { 2001 Target *target = &GetSelectedTarget(); 2002 uint32_t num_dumped = 0; 2003 2004 uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); 2005 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 2006 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 2007 2008 if (command.GetArgumentCount() == 0) { 2009 // Dump all sections for all modules images 2010 std::lock_guard<std::recursive_mutex> guard( 2011 target->GetImages().GetMutex()); 2012 const size_t num_modules = target->GetImages().GetSize(); 2013 if (num_modules > 0) { 2014 result.GetOutputStream().Printf("Dumping symbol table for %" PRIu64 2015 " modules.\n", 2016 (uint64_t)num_modules); 2017 for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) { 2018 if (num_dumped > 0) { 2019 result.GetOutputStream().EOL(); 2020 result.GetOutputStream().EOL(); 2021 } 2022 if (m_interpreter.WasInterrupted()) 2023 break; 2024 num_dumped++; 2025 DumpModuleSymtab( 2026 m_interpreter, result.GetOutputStream(), 2027 target->GetImages().GetModulePointerAtIndexUnlocked(image_idx), 2028 m_options.m_sort_order); 2029 } 2030 } else { 2031 result.AppendError("the target has no associated executable images"); 2032 result.SetStatus(eReturnStatusFailed); 2033 return false; 2034 } 2035 } else { 2036 // Dump specified images (by basename or fullpath) 2037 const char *arg_cstr; 2038 for (int arg_idx = 0; 2039 (arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr; 2040 ++arg_idx) { 2041 ModuleList module_list; 2042 const size_t num_matches = 2043 FindModulesByName(target, arg_cstr, module_list, true); 2044 if (num_matches > 0) { 2045 for (size_t i = 0; i < num_matches; ++i) { 2046 Module *module = module_list.GetModulePointerAtIndex(i); 2047 if (module) { 2048 if (num_dumped > 0) { 2049 result.GetOutputStream().EOL(); 2050 result.GetOutputStream().EOL(); 2051 } 2052 if (m_interpreter.WasInterrupted()) 2053 break; 2054 num_dumped++; 2055 DumpModuleSymtab(m_interpreter, result.GetOutputStream(), module, 2056 m_options.m_sort_order); 2057 } 2058 } 2059 } else 2060 result.AppendWarningWithFormat( 2061 "Unable to find an image that matches '%s'.\n", arg_cstr); 2062 } 2063 } 2064 2065 if (num_dumped > 0) 2066 result.SetStatus(eReturnStatusSuccessFinishResult); 2067 else { 2068 result.AppendError("no matching executable images found"); 2069 result.SetStatus(eReturnStatusFailed); 2070 } 2071 return result.Succeeded(); 2072 } 2073 2074 CommandOptions m_options; 2075 }; 2076 2077 #pragma mark CommandObjectTargetModulesDumpSections 2078 2079 // Image section dumping command 2080 2081 class CommandObjectTargetModulesDumpSections 2082 : public CommandObjectTargetModulesModuleAutoComplete { 2083 public: 2084 CommandObjectTargetModulesDumpSections(CommandInterpreter &interpreter) 2085 : CommandObjectTargetModulesModuleAutoComplete( 2086 interpreter, "target modules dump sections", 2087 "Dump the sections from one or more target modules.", 2088 //"target modules dump sections [<file1> ...]") 2089 nullptr, eCommandRequiresTarget) {} 2090 2091 ~CommandObjectTargetModulesDumpSections() override = default; 2092 2093 protected: 2094 bool DoExecute(Args &command, CommandReturnObject &result) override { 2095 Target *target = &GetSelectedTarget(); 2096 uint32_t num_dumped = 0; 2097 2098 uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); 2099 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 2100 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 2101 2102 if (command.GetArgumentCount() == 0) { 2103 // Dump all sections for all modules images 2104 const size_t num_modules = target->GetImages().GetSize(); 2105 if (num_modules > 0) { 2106 result.GetOutputStream().Printf("Dumping sections for %" PRIu64 2107 " modules.\n", 2108 (uint64_t)num_modules); 2109 for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) { 2110 if (m_interpreter.WasInterrupted()) 2111 break; 2112 num_dumped++; 2113 DumpModuleSections( 2114 m_interpreter, result.GetOutputStream(), 2115 target->GetImages().GetModulePointerAtIndex(image_idx)); 2116 } 2117 } else { 2118 result.AppendError("the target has no associated executable images"); 2119 result.SetStatus(eReturnStatusFailed); 2120 return false; 2121 } 2122 } else { 2123 // Dump specified images (by basename or fullpath) 2124 const char *arg_cstr; 2125 for (int arg_idx = 0; 2126 (arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr; 2127 ++arg_idx) { 2128 ModuleList module_list; 2129 const size_t num_matches = 2130 FindModulesByName(target, arg_cstr, module_list, true); 2131 if (num_matches > 0) { 2132 for (size_t i = 0; i < num_matches; ++i) { 2133 if (m_interpreter.WasInterrupted()) 2134 break; 2135 Module *module = module_list.GetModulePointerAtIndex(i); 2136 if (module) { 2137 num_dumped++; 2138 DumpModuleSections(m_interpreter, result.GetOutputStream(), 2139 module); 2140 } 2141 } 2142 } else { 2143 // Check the global list 2144 std::lock_guard<std::recursive_mutex> guard( 2145 Module::GetAllocationModuleCollectionMutex()); 2146 2147 result.AppendWarningWithFormat( 2148 "Unable to find an image that matches '%s'.\n", arg_cstr); 2149 } 2150 } 2151 } 2152 2153 if (num_dumped > 0) 2154 result.SetStatus(eReturnStatusSuccessFinishResult); 2155 else { 2156 result.AppendError("no matching executable images found"); 2157 result.SetStatus(eReturnStatusFailed); 2158 } 2159 return result.Succeeded(); 2160 } 2161 }; 2162 2163 #pragma mark CommandObjectTargetModulesDumpSections 2164 2165 // Clang AST dumping command 2166 2167 class CommandObjectTargetModulesDumpClangAST 2168 : public CommandObjectTargetModulesModuleAutoComplete { 2169 public: 2170 CommandObjectTargetModulesDumpClangAST(CommandInterpreter &interpreter) 2171 : CommandObjectTargetModulesModuleAutoComplete( 2172 interpreter, "target modules dump ast", 2173 "Dump the clang ast for a given module's symbol file.", 2174 //"target modules dump ast [<file1> ...]") 2175 nullptr, eCommandRequiresTarget) {} 2176 2177 ~CommandObjectTargetModulesDumpClangAST() override = default; 2178 2179 protected: 2180 bool DoExecute(Args &command, CommandReturnObject &result) override { 2181 Target *target = &GetSelectedTarget(); 2182 2183 const size_t num_modules = target->GetImages().GetSize(); 2184 if (num_modules == 0) { 2185 result.AppendError("the target has no associated executable images"); 2186 result.SetStatus(eReturnStatusFailed); 2187 return false; 2188 } 2189 2190 if (command.GetArgumentCount() == 0) { 2191 // Dump all ASTs for all modules images 2192 result.GetOutputStream().Printf("Dumping clang ast for %" PRIu64 2193 " modules.\n", 2194 (uint64_t)num_modules); 2195 for (size_t image_idx = 0; image_idx < num_modules; ++image_idx) { 2196 if (m_interpreter.WasInterrupted()) 2197 break; 2198 Module *m = target->GetImages().GetModulePointerAtIndex(image_idx); 2199 if (SymbolFile *sf = m->GetSymbolFile()) 2200 sf->DumpClangAST(result.GetOutputStream()); 2201 } 2202 result.SetStatus(eReturnStatusSuccessFinishResult); 2203 return true; 2204 } 2205 2206 // Dump specified ASTs (by basename or fullpath) 2207 for (const Args::ArgEntry &arg : command.entries()) { 2208 ModuleList module_list; 2209 const size_t num_matches = 2210 FindModulesByName(target, arg.c_str(), module_list, true); 2211 if (num_matches == 0) { 2212 // Check the global list 2213 std::lock_guard<std::recursive_mutex> guard( 2214 Module::GetAllocationModuleCollectionMutex()); 2215 2216 result.AppendWarningWithFormat( 2217 "Unable to find an image that matches '%s'.\n", arg.c_str()); 2218 continue; 2219 } 2220 2221 for (size_t i = 0; i < num_matches; ++i) { 2222 if (m_interpreter.WasInterrupted()) 2223 break; 2224 Module *m = module_list.GetModulePointerAtIndex(i); 2225 if (SymbolFile *sf = m->GetSymbolFile()) 2226 sf->DumpClangAST(result.GetOutputStream()); 2227 } 2228 } 2229 result.SetStatus(eReturnStatusSuccessFinishResult); 2230 return true; 2231 } 2232 }; 2233 2234 #pragma mark CommandObjectTargetModulesDumpSymfile 2235 2236 // Image debug symbol dumping command 2237 2238 class CommandObjectTargetModulesDumpSymfile 2239 : public CommandObjectTargetModulesModuleAutoComplete { 2240 public: 2241 CommandObjectTargetModulesDumpSymfile(CommandInterpreter &interpreter) 2242 : CommandObjectTargetModulesModuleAutoComplete( 2243 interpreter, "target modules dump symfile", 2244 "Dump the debug symbol file for one or more target modules.", 2245 //"target modules dump symfile [<file1> ...]") 2246 nullptr, eCommandRequiresTarget) {} 2247 2248 ~CommandObjectTargetModulesDumpSymfile() override = default; 2249 2250 protected: 2251 bool DoExecute(Args &command, CommandReturnObject &result) override { 2252 Target *target = &GetSelectedTarget(); 2253 uint32_t num_dumped = 0; 2254 2255 uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); 2256 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 2257 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 2258 2259 if (command.GetArgumentCount() == 0) { 2260 // Dump all sections for all modules images 2261 const ModuleList &target_modules = target->GetImages(); 2262 std::lock_guard<std::recursive_mutex> guard(target_modules.GetMutex()); 2263 const size_t num_modules = target_modules.GetSize(); 2264 if (num_modules > 0) { 2265 result.GetOutputStream().Printf("Dumping debug symbols for %" PRIu64 2266 " modules.\n", 2267 (uint64_t)num_modules); 2268 for (uint32_t image_idx = 0; image_idx < num_modules; ++image_idx) { 2269 if (m_interpreter.WasInterrupted()) 2270 break; 2271 if (DumpModuleSymbolFile( 2272 result.GetOutputStream(), 2273 target_modules.GetModulePointerAtIndexUnlocked(image_idx))) 2274 num_dumped++; 2275 } 2276 } else { 2277 result.AppendError("the target has no associated executable images"); 2278 result.SetStatus(eReturnStatusFailed); 2279 return false; 2280 } 2281 } else { 2282 // Dump specified images (by basename or fullpath) 2283 const char *arg_cstr; 2284 for (int arg_idx = 0; 2285 (arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr; 2286 ++arg_idx) { 2287 ModuleList module_list; 2288 const size_t num_matches = 2289 FindModulesByName(target, arg_cstr, module_list, true); 2290 if (num_matches > 0) { 2291 for (size_t i = 0; i < num_matches; ++i) { 2292 if (m_interpreter.WasInterrupted()) 2293 break; 2294 Module *module = module_list.GetModulePointerAtIndex(i); 2295 if (module) { 2296 if (DumpModuleSymbolFile(result.GetOutputStream(), module)) 2297 num_dumped++; 2298 } 2299 } 2300 } else 2301 result.AppendWarningWithFormat( 2302 "Unable to find an image that matches '%s'.\n", arg_cstr); 2303 } 2304 } 2305 2306 if (num_dumped > 0) 2307 result.SetStatus(eReturnStatusSuccessFinishResult); 2308 else { 2309 result.AppendError("no matching executable images found"); 2310 result.SetStatus(eReturnStatusFailed); 2311 } 2312 return result.Succeeded(); 2313 } 2314 }; 2315 2316 #pragma mark CommandObjectTargetModulesDumpLineTable 2317 #define LLDB_OPTIONS_target_modules_dump 2318 #include "CommandOptions.inc" 2319 2320 // Image debug line table dumping command 2321 2322 class CommandObjectTargetModulesDumpLineTable 2323 : public CommandObjectTargetModulesSourceFileAutoComplete { 2324 public: 2325 CommandObjectTargetModulesDumpLineTable(CommandInterpreter &interpreter) 2326 : CommandObjectTargetModulesSourceFileAutoComplete( 2327 interpreter, "target modules dump line-table", 2328 "Dump the line table for one or more compilation units.", nullptr, 2329 eCommandRequiresTarget) {} 2330 2331 ~CommandObjectTargetModulesDumpLineTable() override = default; 2332 2333 Options *GetOptions() override { return &m_options; } 2334 2335 protected: 2336 bool DoExecute(Args &command, CommandReturnObject &result) override { 2337 Target *target = m_exe_ctx.GetTargetPtr(); 2338 uint32_t total_num_dumped = 0; 2339 2340 uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); 2341 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 2342 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 2343 2344 if (command.GetArgumentCount() == 0) { 2345 result.AppendError("file option must be specified."); 2346 result.SetStatus(eReturnStatusFailed); 2347 return result.Succeeded(); 2348 } else { 2349 // Dump specified images (by basename or fullpath) 2350 const char *arg_cstr; 2351 for (int arg_idx = 0; 2352 (arg_cstr = command.GetArgumentAtIndex(arg_idx)) != nullptr; 2353 ++arg_idx) { 2354 FileSpec file_spec(arg_cstr); 2355 2356 const ModuleList &target_modules = target->GetImages(); 2357 std::lock_guard<std::recursive_mutex> guard(target_modules.GetMutex()); 2358 const size_t num_modules = target_modules.GetSize(); 2359 if (num_modules > 0) { 2360 uint32_t num_dumped = 0; 2361 for (uint32_t i = 0; i < num_modules; ++i) { 2362 if (m_interpreter.WasInterrupted()) 2363 break; 2364 if (DumpCompileUnitLineTable( 2365 m_interpreter, result.GetOutputStream(), 2366 target_modules.GetModulePointerAtIndexUnlocked(i), 2367 file_spec, 2368 m_options.m_verbose ? eDescriptionLevelFull 2369 : eDescriptionLevelBrief)) 2370 num_dumped++; 2371 } 2372 if (num_dumped == 0) 2373 result.AppendWarningWithFormat( 2374 "No source filenames matched '%s'.\n", arg_cstr); 2375 else 2376 total_num_dumped += num_dumped; 2377 } 2378 } 2379 } 2380 2381 if (total_num_dumped > 0) 2382 result.SetStatus(eReturnStatusSuccessFinishResult); 2383 else { 2384 result.AppendError("no source filenames matched any command arguments"); 2385 result.SetStatus(eReturnStatusFailed); 2386 } 2387 return result.Succeeded(); 2388 } 2389 2390 class CommandOptions : public Options { 2391 public: 2392 CommandOptions() : Options() { OptionParsingStarting(nullptr); } 2393 2394 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 2395 ExecutionContext *execution_context) override { 2396 assert(option_idx == 0 && "We only have one option."); 2397 m_verbose = true; 2398 2399 return Status(); 2400 } 2401 2402 void OptionParsingStarting(ExecutionContext *execution_context) override { 2403 m_verbose = false; 2404 } 2405 2406 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 2407 return llvm::makeArrayRef(g_target_modules_dump_options); 2408 } 2409 2410 bool m_verbose; 2411 }; 2412 2413 CommandOptions m_options; 2414 }; 2415 2416 #pragma mark CommandObjectTargetModulesDump 2417 2418 // Dump multi-word command for target modules 2419 2420 class CommandObjectTargetModulesDump : public CommandObjectMultiword { 2421 public: 2422 // Constructors and Destructors 2423 CommandObjectTargetModulesDump(CommandInterpreter &interpreter) 2424 : CommandObjectMultiword( 2425 interpreter, "target modules dump", 2426 "Commands for dumping information about one or " 2427 "more target modules.", 2428 "target modules dump " 2429 "[headers|symtab|sections|ast|symfile|line-table] " 2430 "[<file1> <file2> ...]") { 2431 LoadSubCommand("objfile", 2432 CommandObjectSP( 2433 new CommandObjectTargetModulesDumpObjfile(interpreter))); 2434 LoadSubCommand( 2435 "symtab", 2436 CommandObjectSP(new CommandObjectTargetModulesDumpSymtab(interpreter))); 2437 LoadSubCommand("sections", 2438 CommandObjectSP(new CommandObjectTargetModulesDumpSections( 2439 interpreter))); 2440 LoadSubCommand("symfile", 2441 CommandObjectSP( 2442 new CommandObjectTargetModulesDumpSymfile(interpreter))); 2443 LoadSubCommand( 2444 "ast", CommandObjectSP( 2445 new CommandObjectTargetModulesDumpClangAST(interpreter))); 2446 LoadSubCommand("line-table", 2447 CommandObjectSP(new CommandObjectTargetModulesDumpLineTable( 2448 interpreter))); 2449 } 2450 2451 ~CommandObjectTargetModulesDump() override = default; 2452 }; 2453 2454 class CommandObjectTargetModulesAdd : public CommandObjectParsed { 2455 public: 2456 CommandObjectTargetModulesAdd(CommandInterpreter &interpreter) 2457 : CommandObjectParsed(interpreter, "target modules add", 2458 "Add a new module to the current target's modules.", 2459 "target modules add [<module>]", 2460 eCommandRequiresTarget), 2461 m_option_group(), m_symbol_file(LLDB_OPT_SET_1, false, "symfile", 's', 2462 0, eArgTypeFilename, 2463 "Fullpath to a stand alone debug " 2464 "symbols file for when debug symbols " 2465 "are not in the executable.") { 2466 m_option_group.Append(&m_uuid_option_group, LLDB_OPT_SET_ALL, 2467 LLDB_OPT_SET_1); 2468 m_option_group.Append(&m_symbol_file, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 2469 m_option_group.Finalize(); 2470 } 2471 2472 ~CommandObjectTargetModulesAdd() override = default; 2473 2474 Options *GetOptions() override { return &m_option_group; } 2475 2476 void 2477 HandleArgumentCompletion(CompletionRequest &request, 2478 OptionElementVector &opt_element_vector) override { 2479 CommandCompletions::InvokeCommonCompletionCallbacks( 2480 GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, 2481 request, nullptr); 2482 } 2483 2484 protected: 2485 OptionGroupOptions m_option_group; 2486 OptionGroupUUID m_uuid_option_group; 2487 OptionGroupFile m_symbol_file; 2488 2489 bool DoExecute(Args &args, CommandReturnObject &result) override { 2490 Target *target = &GetSelectedTarget(); 2491 bool flush = false; 2492 2493 const size_t argc = args.GetArgumentCount(); 2494 if (argc == 0) { 2495 if (m_uuid_option_group.GetOptionValue().OptionWasSet()) { 2496 // We are given a UUID only, go locate the file 2497 ModuleSpec module_spec; 2498 module_spec.GetUUID() = 2499 m_uuid_option_group.GetOptionValue().GetCurrentValue(); 2500 if (m_symbol_file.GetOptionValue().OptionWasSet()) 2501 module_spec.GetSymbolFileSpec() = 2502 m_symbol_file.GetOptionValue().GetCurrentValue(); 2503 if (Symbols::DownloadObjectAndSymbolFile(module_spec)) { 2504 ModuleSP module_sp( 2505 target->GetOrCreateModule(module_spec, true /* notify */)); 2506 if (module_sp) { 2507 result.SetStatus(eReturnStatusSuccessFinishResult); 2508 return true; 2509 } else { 2510 StreamString strm; 2511 module_spec.GetUUID().Dump(&strm); 2512 if (module_spec.GetFileSpec()) { 2513 if (module_spec.GetSymbolFileSpec()) { 2514 result.AppendErrorWithFormat( 2515 "Unable to create the executable or symbol file with " 2516 "UUID %s with path %s and symbol file %s", 2517 strm.GetData(), module_spec.GetFileSpec().GetPath().c_str(), 2518 module_spec.GetSymbolFileSpec().GetPath().c_str()); 2519 } else { 2520 result.AppendErrorWithFormat( 2521 "Unable to create the executable or symbol file with " 2522 "UUID %s with path %s", 2523 strm.GetData(), 2524 module_spec.GetFileSpec().GetPath().c_str()); 2525 } 2526 } else { 2527 result.AppendErrorWithFormat("Unable to create the executable " 2528 "or symbol file with UUID %s", 2529 strm.GetData()); 2530 } 2531 result.SetStatus(eReturnStatusFailed); 2532 return false; 2533 } 2534 } else { 2535 StreamString strm; 2536 module_spec.GetUUID().Dump(&strm); 2537 result.AppendErrorWithFormat( 2538 "Unable to locate the executable or symbol file with UUID %s", 2539 strm.GetData()); 2540 result.SetStatus(eReturnStatusFailed); 2541 return false; 2542 } 2543 } else { 2544 result.AppendError( 2545 "one or more executable image paths must be specified"); 2546 result.SetStatus(eReturnStatusFailed); 2547 return false; 2548 } 2549 } else { 2550 for (auto &entry : args.entries()) { 2551 if (entry.ref().empty()) 2552 continue; 2553 2554 FileSpec file_spec(entry.ref()); 2555 if (FileSystem::Instance().Exists(file_spec)) { 2556 ModuleSpec module_spec(file_spec); 2557 if (m_uuid_option_group.GetOptionValue().OptionWasSet()) 2558 module_spec.GetUUID() = 2559 m_uuid_option_group.GetOptionValue().GetCurrentValue(); 2560 if (m_symbol_file.GetOptionValue().OptionWasSet()) 2561 module_spec.GetSymbolFileSpec() = 2562 m_symbol_file.GetOptionValue().GetCurrentValue(); 2563 if (!module_spec.GetArchitecture().IsValid()) 2564 module_spec.GetArchitecture() = target->GetArchitecture(); 2565 Status error; 2566 ModuleSP module_sp(target->GetOrCreateModule( 2567 module_spec, true /* notify */, &error)); 2568 if (!module_sp) { 2569 const char *error_cstr = error.AsCString(); 2570 if (error_cstr) 2571 result.AppendError(error_cstr); 2572 else 2573 result.AppendErrorWithFormat("unsupported module: %s", 2574 entry.c_str()); 2575 result.SetStatus(eReturnStatusFailed); 2576 return false; 2577 } else { 2578 flush = true; 2579 } 2580 result.SetStatus(eReturnStatusSuccessFinishResult); 2581 } else { 2582 std::string resolved_path = file_spec.GetPath(); 2583 result.SetStatus(eReturnStatusFailed); 2584 if (resolved_path != entry.ref()) { 2585 result.AppendErrorWithFormat( 2586 "invalid module path '%s' with resolved path '%s'\n", 2587 entry.ref().str().c_str(), resolved_path.c_str()); 2588 break; 2589 } 2590 result.AppendErrorWithFormat("invalid module path '%s'\n", 2591 entry.c_str()); 2592 break; 2593 } 2594 } 2595 } 2596 2597 if (flush) { 2598 ProcessSP process = target->GetProcessSP(); 2599 if (process) 2600 process->Flush(); 2601 } 2602 2603 return result.Succeeded(); 2604 } 2605 }; 2606 2607 class CommandObjectTargetModulesLoad 2608 : public CommandObjectTargetModulesModuleAutoComplete { 2609 public: 2610 CommandObjectTargetModulesLoad(CommandInterpreter &interpreter) 2611 : CommandObjectTargetModulesModuleAutoComplete( 2612 interpreter, "target modules load", 2613 "Set the load addresses for one or more sections in a target " 2614 "module.", 2615 "target modules load [--file <module> --uuid <uuid>] <sect-name> " 2616 "<address> [<sect-name> <address> ....]", 2617 eCommandRequiresTarget), 2618 m_option_group(), 2619 m_file_option(LLDB_OPT_SET_1, false, "file", 'f', 0, eArgTypeName, 2620 "Fullpath or basename for module to load.", ""), 2621 m_load_option(LLDB_OPT_SET_1, false, "load", 'l', 2622 "Write file contents to the memory.", false, true), 2623 m_pc_option(LLDB_OPT_SET_1, false, "set-pc-to-entry", 'p', 2624 "Set PC to the entry point." 2625 " Only applicable with '--load' option.", 2626 false, true), 2627 m_slide_option(LLDB_OPT_SET_1, false, "slide", 's', 0, eArgTypeOffset, 2628 "Set the load address for all sections to be the " 2629 "virtual address in the file plus the offset.", 2630 0) { 2631 m_option_group.Append(&m_uuid_option_group, LLDB_OPT_SET_ALL, 2632 LLDB_OPT_SET_1); 2633 m_option_group.Append(&m_file_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 2634 m_option_group.Append(&m_load_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 2635 m_option_group.Append(&m_pc_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 2636 m_option_group.Append(&m_slide_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 2637 m_option_group.Finalize(); 2638 } 2639 2640 ~CommandObjectTargetModulesLoad() override = default; 2641 2642 Options *GetOptions() override { return &m_option_group; } 2643 2644 protected: 2645 bool DoExecute(Args &args, CommandReturnObject &result) override { 2646 Target *target = &GetSelectedTarget(); 2647 const bool load = m_load_option.GetOptionValue().GetCurrentValue(); 2648 const bool set_pc = m_pc_option.GetOptionValue().GetCurrentValue(); 2649 2650 const size_t argc = args.GetArgumentCount(); 2651 ModuleSpec module_spec; 2652 bool search_using_module_spec = false; 2653 2654 // Allow "load" option to work without --file or --uuid option. 2655 if (load) { 2656 if (!m_file_option.GetOptionValue().OptionWasSet() && 2657 !m_uuid_option_group.GetOptionValue().OptionWasSet()) { 2658 ModuleList &module_list = target->GetImages(); 2659 if (module_list.GetSize() == 1) { 2660 search_using_module_spec = true; 2661 module_spec.GetFileSpec() = 2662 module_list.GetModuleAtIndex(0)->GetFileSpec(); 2663 } 2664 } 2665 } 2666 2667 if (m_file_option.GetOptionValue().OptionWasSet()) { 2668 search_using_module_spec = true; 2669 const char *arg_cstr = m_file_option.GetOptionValue().GetCurrentValue(); 2670 const bool use_global_module_list = true; 2671 ModuleList module_list; 2672 const size_t num_matches = FindModulesByName( 2673 target, arg_cstr, module_list, use_global_module_list); 2674 if (num_matches == 1) { 2675 module_spec.GetFileSpec() = 2676 module_list.GetModuleAtIndex(0)->GetFileSpec(); 2677 } else if (num_matches > 1) { 2678 search_using_module_spec = false; 2679 result.AppendErrorWithFormat( 2680 "more than 1 module matched by name '%s'\n", arg_cstr); 2681 result.SetStatus(eReturnStatusFailed); 2682 } else { 2683 search_using_module_spec = false; 2684 result.AppendErrorWithFormat("no object file for module '%s'\n", 2685 arg_cstr); 2686 result.SetStatus(eReturnStatusFailed); 2687 } 2688 } 2689 2690 if (m_uuid_option_group.GetOptionValue().OptionWasSet()) { 2691 search_using_module_spec = true; 2692 module_spec.GetUUID() = 2693 m_uuid_option_group.GetOptionValue().GetCurrentValue(); 2694 } 2695 2696 if (search_using_module_spec) { 2697 ModuleList matching_modules; 2698 const size_t num_matches = 2699 target->GetImages().FindModules(module_spec, matching_modules); 2700 2701 char path[PATH_MAX]; 2702 if (num_matches == 1) { 2703 Module *module = matching_modules.GetModulePointerAtIndex(0); 2704 if (module) { 2705 ObjectFile *objfile = module->GetObjectFile(); 2706 if (objfile) { 2707 SectionList *section_list = module->GetSectionList(); 2708 if (section_list) { 2709 bool changed = false; 2710 if (argc == 0) { 2711 if (m_slide_option.GetOptionValue().OptionWasSet()) { 2712 const addr_t slide = 2713 m_slide_option.GetOptionValue().GetCurrentValue(); 2714 const bool slide_is_offset = true; 2715 module->SetLoadAddress(*target, slide, slide_is_offset, 2716 changed); 2717 } else { 2718 result.AppendError("one or more section name + load " 2719 "address pair must be specified"); 2720 result.SetStatus(eReturnStatusFailed); 2721 return false; 2722 } 2723 } else { 2724 if (m_slide_option.GetOptionValue().OptionWasSet()) { 2725 result.AppendError("The \"--slide <offset>\" option can't " 2726 "be used in conjunction with setting " 2727 "section load addresses.\n"); 2728 result.SetStatus(eReturnStatusFailed); 2729 return false; 2730 } 2731 2732 for (size_t i = 0; i < argc; i += 2) { 2733 const char *sect_name = args.GetArgumentAtIndex(i); 2734 const char *load_addr_cstr = args.GetArgumentAtIndex(i + 1); 2735 if (sect_name && load_addr_cstr) { 2736 ConstString const_sect_name(sect_name); 2737 bool success = false; 2738 addr_t load_addr = StringConvert::ToUInt64( 2739 load_addr_cstr, LLDB_INVALID_ADDRESS, 0, &success); 2740 if (success) { 2741 SectionSP section_sp( 2742 section_list->FindSectionByName(const_sect_name)); 2743 if (section_sp) { 2744 if (section_sp->IsThreadSpecific()) { 2745 result.AppendErrorWithFormat( 2746 "thread specific sections are not yet " 2747 "supported (section '%s')\n", 2748 sect_name); 2749 result.SetStatus(eReturnStatusFailed); 2750 break; 2751 } else { 2752 if (target->GetSectionLoadList() 2753 .SetSectionLoadAddress(section_sp, load_addr)) 2754 changed = true; 2755 result.AppendMessageWithFormat( 2756 "section '%s' loaded at 0x%" PRIx64 "\n", 2757 sect_name, load_addr); 2758 } 2759 } else { 2760 result.AppendErrorWithFormat("no section found that " 2761 "matches the section " 2762 "name '%s'\n", 2763 sect_name); 2764 result.SetStatus(eReturnStatusFailed); 2765 break; 2766 } 2767 } else { 2768 result.AppendErrorWithFormat( 2769 "invalid load address string '%s'\n", load_addr_cstr); 2770 result.SetStatus(eReturnStatusFailed); 2771 break; 2772 } 2773 } else { 2774 if (sect_name) 2775 result.AppendError("section names must be followed by " 2776 "a load address.\n"); 2777 else 2778 result.AppendError("one or more section name + load " 2779 "address pair must be specified.\n"); 2780 result.SetStatus(eReturnStatusFailed); 2781 break; 2782 } 2783 } 2784 } 2785 2786 if (changed) { 2787 target->ModulesDidLoad(matching_modules); 2788 Process *process = m_exe_ctx.GetProcessPtr(); 2789 if (process) 2790 process->Flush(); 2791 } 2792 if (load) { 2793 ProcessSP process = target->CalculateProcess(); 2794 Address file_entry = objfile->GetEntryPointAddress(); 2795 if (!process) { 2796 result.AppendError("No process"); 2797 return false; 2798 } 2799 if (set_pc && !file_entry.IsValid()) { 2800 result.AppendError("No entry address in object file"); 2801 return false; 2802 } 2803 std::vector<ObjectFile::LoadableData> loadables( 2804 objfile->GetLoadableData(*target)); 2805 if (loadables.size() == 0) { 2806 result.AppendError("No loadable sections"); 2807 return false; 2808 } 2809 Status error = process->WriteObjectFile(std::move(loadables)); 2810 if (error.Fail()) { 2811 result.AppendError(error.AsCString()); 2812 return false; 2813 } 2814 if (set_pc) { 2815 ThreadList &thread_list = process->GetThreadList(); 2816 RegisterContextSP reg_context( 2817 thread_list.GetSelectedThread()->GetRegisterContext()); 2818 addr_t file_entry_addr = file_entry.GetLoadAddress(target); 2819 if (!reg_context->SetPC(file_entry_addr)) { 2820 result.AppendErrorWithFormat("failed to set PC value to " 2821 "0x%" PRIx64 "\n", 2822 file_entry_addr); 2823 result.SetStatus(eReturnStatusFailed); 2824 } 2825 } 2826 } 2827 } else { 2828 module->GetFileSpec().GetPath(path, sizeof(path)); 2829 result.AppendErrorWithFormat("no sections in object file '%s'\n", 2830 path); 2831 result.SetStatus(eReturnStatusFailed); 2832 } 2833 } else { 2834 module->GetFileSpec().GetPath(path, sizeof(path)); 2835 result.AppendErrorWithFormat("no object file for module '%s'\n", 2836 path); 2837 result.SetStatus(eReturnStatusFailed); 2838 } 2839 } else { 2840 FileSpec *module_spec_file = module_spec.GetFileSpecPtr(); 2841 if (module_spec_file) { 2842 module_spec_file->GetPath(path, sizeof(path)); 2843 result.AppendErrorWithFormat("invalid module '%s'.\n", path); 2844 } else 2845 result.AppendError("no module spec"); 2846 result.SetStatus(eReturnStatusFailed); 2847 } 2848 } else { 2849 std::string uuid_str; 2850 2851 if (module_spec.GetFileSpec()) 2852 module_spec.GetFileSpec().GetPath(path, sizeof(path)); 2853 else 2854 path[0] = '\0'; 2855 2856 if (module_spec.GetUUIDPtr()) 2857 uuid_str = module_spec.GetUUID().GetAsString(); 2858 if (num_matches > 1) { 2859 result.AppendErrorWithFormat( 2860 "multiple modules match%s%s%s%s:\n", path[0] ? " file=" : "", 2861 path, !uuid_str.empty() ? " uuid=" : "", uuid_str.c_str()); 2862 for (size_t i = 0; i < num_matches; ++i) { 2863 if (matching_modules.GetModulePointerAtIndex(i) 2864 ->GetFileSpec() 2865 .GetPath(path, sizeof(path))) 2866 result.AppendMessageWithFormat("%s\n", path); 2867 } 2868 } else { 2869 result.AppendErrorWithFormat( 2870 "no modules were found that match%s%s%s%s.\n", 2871 path[0] ? " file=" : "", path, !uuid_str.empty() ? " uuid=" : "", 2872 uuid_str.c_str()); 2873 } 2874 result.SetStatus(eReturnStatusFailed); 2875 } 2876 } else { 2877 result.AppendError("either the \"--file <module>\" or the \"--uuid " 2878 "<uuid>\" option must be specified.\n"); 2879 result.SetStatus(eReturnStatusFailed); 2880 return false; 2881 } 2882 return result.Succeeded(); 2883 } 2884 2885 OptionGroupOptions m_option_group; 2886 OptionGroupUUID m_uuid_option_group; 2887 OptionGroupString m_file_option; 2888 OptionGroupBoolean m_load_option; 2889 OptionGroupBoolean m_pc_option; 2890 OptionGroupUInt64 m_slide_option; 2891 }; 2892 2893 // List images with associated information 2894 #define LLDB_OPTIONS_target_modules_list 2895 #include "CommandOptions.inc" 2896 2897 class CommandObjectTargetModulesList : public CommandObjectParsed { 2898 public: 2899 class CommandOptions : public Options { 2900 public: 2901 CommandOptions() 2902 : Options(), m_format_array(), m_use_global_module_list(false), 2903 m_module_addr(LLDB_INVALID_ADDRESS) {} 2904 2905 ~CommandOptions() override = default; 2906 2907 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 2908 ExecutionContext *execution_context) override { 2909 Status error; 2910 2911 const int short_option = m_getopt_table[option_idx].val; 2912 if (short_option == 'g') { 2913 m_use_global_module_list = true; 2914 } else if (short_option == 'a') { 2915 m_module_addr = OptionArgParser::ToAddress( 2916 execution_context, option_arg, LLDB_INVALID_ADDRESS, &error); 2917 } else { 2918 unsigned long width = 0; 2919 option_arg.getAsInteger(0, width); 2920 m_format_array.push_back(std::make_pair(short_option, width)); 2921 } 2922 return error; 2923 } 2924 2925 void OptionParsingStarting(ExecutionContext *execution_context) override { 2926 m_format_array.clear(); 2927 m_use_global_module_list = false; 2928 m_module_addr = LLDB_INVALID_ADDRESS; 2929 } 2930 2931 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 2932 return llvm::makeArrayRef(g_target_modules_list_options); 2933 } 2934 2935 // Instance variables to hold the values for command options. 2936 typedef std::vector<std::pair<char, uint32_t>> FormatWidthCollection; 2937 FormatWidthCollection m_format_array; 2938 bool m_use_global_module_list; 2939 lldb::addr_t m_module_addr; 2940 }; 2941 2942 CommandObjectTargetModulesList(CommandInterpreter &interpreter) 2943 : CommandObjectParsed( 2944 interpreter, "target modules list", 2945 "List current executable and dependent shared library images.", 2946 "target modules list [<cmd-options>]"), 2947 m_options() {} 2948 2949 ~CommandObjectTargetModulesList() override = default; 2950 2951 Options *GetOptions() override { return &m_options; } 2952 2953 protected: 2954 bool DoExecute(Args &command, CommandReturnObject &result) override { 2955 Target *target = GetDebugger().GetSelectedTarget().get(); 2956 const bool use_global_module_list = m_options.m_use_global_module_list; 2957 // Define a local module list here to ensure it lives longer than any 2958 // "locker" object which might lock its contents below (through the 2959 // "module_list_ptr" variable). 2960 ModuleList module_list; 2961 if (target == nullptr && !use_global_module_list) { 2962 result.AppendError("invalid target, create a debug target using the " 2963 "'target create' command"); 2964 result.SetStatus(eReturnStatusFailed); 2965 return false; 2966 } else { 2967 if (target) { 2968 uint32_t addr_byte_size = 2969 target->GetArchitecture().GetAddressByteSize(); 2970 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 2971 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 2972 } 2973 // Dump all sections for all modules images 2974 Stream &strm = result.GetOutputStream(); 2975 2976 if (m_options.m_module_addr != LLDB_INVALID_ADDRESS) { 2977 if (target) { 2978 Address module_address; 2979 if (module_address.SetLoadAddress(m_options.m_module_addr, target)) { 2980 ModuleSP module_sp(module_address.GetModule()); 2981 if (module_sp) { 2982 PrintModule(target, module_sp.get(), 0, strm); 2983 result.SetStatus(eReturnStatusSuccessFinishResult); 2984 } else { 2985 result.AppendErrorWithFormat( 2986 "Couldn't find module matching address: 0x%" PRIx64 ".", 2987 m_options.m_module_addr); 2988 result.SetStatus(eReturnStatusFailed); 2989 } 2990 } else { 2991 result.AppendErrorWithFormat( 2992 "Couldn't find module containing address: 0x%" PRIx64 ".", 2993 m_options.m_module_addr); 2994 result.SetStatus(eReturnStatusFailed); 2995 } 2996 } else { 2997 result.AppendError( 2998 "Can only look up modules by address with a valid target."); 2999 result.SetStatus(eReturnStatusFailed); 3000 } 3001 return result.Succeeded(); 3002 } 3003 3004 size_t num_modules = 0; 3005 3006 // This locker will be locked on the mutex in module_list_ptr if it is 3007 // non-nullptr. Otherwise it will lock the 3008 // AllocationModuleCollectionMutex when accessing the global module list 3009 // directly. 3010 std::unique_lock<std::recursive_mutex> guard( 3011 Module::GetAllocationModuleCollectionMutex(), std::defer_lock); 3012 3013 const ModuleList *module_list_ptr = nullptr; 3014 const size_t argc = command.GetArgumentCount(); 3015 if (argc == 0) { 3016 if (use_global_module_list) { 3017 guard.lock(); 3018 num_modules = Module::GetNumberAllocatedModules(); 3019 } else { 3020 module_list_ptr = &target->GetImages(); 3021 } 3022 } else { 3023 // TODO: Convert to entry based iteration. Requires converting 3024 // FindModulesByName. 3025 for (size_t i = 0; i < argc; ++i) { 3026 // Dump specified images (by basename or fullpath) 3027 const char *arg_cstr = command.GetArgumentAtIndex(i); 3028 const size_t num_matches = FindModulesByName( 3029 target, arg_cstr, module_list, use_global_module_list); 3030 if (num_matches == 0) { 3031 if (argc == 1) { 3032 result.AppendErrorWithFormat("no modules found that match '%s'", 3033 arg_cstr); 3034 result.SetStatus(eReturnStatusFailed); 3035 return false; 3036 } 3037 } 3038 } 3039 3040 module_list_ptr = &module_list; 3041 } 3042 3043 std::unique_lock<std::recursive_mutex> lock; 3044 if (module_list_ptr != nullptr) { 3045 lock = 3046 std::unique_lock<std::recursive_mutex>(module_list_ptr->GetMutex()); 3047 3048 num_modules = module_list_ptr->GetSize(); 3049 } 3050 3051 if (num_modules > 0) { 3052 for (uint32_t image_idx = 0; image_idx < num_modules; ++image_idx) { 3053 ModuleSP module_sp; 3054 Module *module; 3055 if (module_list_ptr) { 3056 module_sp = module_list_ptr->GetModuleAtIndexUnlocked(image_idx); 3057 module = module_sp.get(); 3058 } else { 3059 module = Module::GetAllocatedModuleAtIndex(image_idx); 3060 module_sp = module->shared_from_this(); 3061 } 3062 3063 const size_t indent = strm.Printf("[%3u] ", image_idx); 3064 PrintModule(target, module, indent, strm); 3065 } 3066 result.SetStatus(eReturnStatusSuccessFinishResult); 3067 } else { 3068 if (argc) { 3069 if (use_global_module_list) 3070 result.AppendError( 3071 "the global module list has no matching modules"); 3072 else 3073 result.AppendError("the target has no matching modules"); 3074 } else { 3075 if (use_global_module_list) 3076 result.AppendError("the global module list is empty"); 3077 else 3078 result.AppendError( 3079 "the target has no associated executable images"); 3080 } 3081 result.SetStatus(eReturnStatusFailed); 3082 return false; 3083 } 3084 } 3085 return result.Succeeded(); 3086 } 3087 3088 void PrintModule(Target *target, Module *module, int indent, Stream &strm) { 3089 if (module == nullptr) { 3090 strm.PutCString("Null module"); 3091 return; 3092 } 3093 3094 bool dump_object_name = false; 3095 if (m_options.m_format_array.empty()) { 3096 m_options.m_format_array.push_back(std::make_pair('u', 0)); 3097 m_options.m_format_array.push_back(std::make_pair('h', 0)); 3098 m_options.m_format_array.push_back(std::make_pair('f', 0)); 3099 m_options.m_format_array.push_back(std::make_pair('S', 0)); 3100 } 3101 const size_t num_entries = m_options.m_format_array.size(); 3102 bool print_space = false; 3103 for (size_t i = 0; i < num_entries; ++i) { 3104 if (print_space) 3105 strm.PutChar(' '); 3106 print_space = true; 3107 const char format_char = m_options.m_format_array[i].first; 3108 uint32_t width = m_options.m_format_array[i].second; 3109 switch (format_char) { 3110 case 'A': 3111 DumpModuleArchitecture(strm, module, false, width); 3112 break; 3113 3114 case 't': 3115 DumpModuleArchitecture(strm, module, true, width); 3116 break; 3117 3118 case 'f': 3119 DumpFullpath(strm, &module->GetFileSpec(), width); 3120 dump_object_name = true; 3121 break; 3122 3123 case 'd': 3124 DumpDirectory(strm, &module->GetFileSpec(), width); 3125 break; 3126 3127 case 'b': 3128 DumpBasename(strm, &module->GetFileSpec(), width); 3129 dump_object_name = true; 3130 break; 3131 3132 case 'h': 3133 case 'o': 3134 // Image header address 3135 { 3136 uint32_t addr_nibble_width = 3137 target ? (target->GetArchitecture().GetAddressByteSize() * 2) 3138 : 16; 3139 3140 ObjectFile *objfile = module->GetObjectFile(); 3141 if (objfile) { 3142 Address base_addr(objfile->GetBaseAddress()); 3143 if (base_addr.IsValid()) { 3144 if (target && !target->GetSectionLoadList().IsEmpty()) { 3145 lldb::addr_t load_addr = 3146 base_addr.GetLoadAddress(target); 3147 if (load_addr == LLDB_INVALID_ADDRESS) { 3148 base_addr.Dump(&strm, target, 3149 Address::DumpStyleModuleWithFileAddress, 3150 Address::DumpStyleFileAddress); 3151 } else { 3152 if (format_char == 'o') { 3153 // Show the offset of slide for the image 3154 strm.Printf( 3155 "0x%*.*" PRIx64, addr_nibble_width, addr_nibble_width, 3156 load_addr - base_addr.GetFileAddress()); 3157 } else { 3158 // Show the load address of the image 3159 strm.Printf("0x%*.*" PRIx64, addr_nibble_width, 3160 addr_nibble_width, load_addr); 3161 } 3162 } 3163 break; 3164 } 3165 // The address was valid, but the image isn't loaded, output the 3166 // address in an appropriate format 3167 base_addr.Dump(&strm, target, Address::DumpStyleFileAddress); 3168 break; 3169 } 3170 } 3171 strm.Printf("%*s", addr_nibble_width + 2, ""); 3172 } 3173 break; 3174 3175 case 'r': { 3176 size_t ref_count = 0; 3177 ModuleSP module_sp(module->shared_from_this()); 3178 if (module_sp) { 3179 // Take one away to make sure we don't count our local "module_sp" 3180 ref_count = module_sp.use_count() - 1; 3181 } 3182 if (width) 3183 strm.Printf("{%*" PRIu64 "}", width, (uint64_t)ref_count); 3184 else 3185 strm.Printf("{%" PRIu64 "}", (uint64_t)ref_count); 3186 } break; 3187 3188 case 's': 3189 case 'S': { 3190 if (const SymbolFile *symbol_file = module->GetSymbolFile()) { 3191 const FileSpec symfile_spec = 3192 symbol_file->GetObjectFile()->GetFileSpec(); 3193 if (format_char == 'S') { 3194 // Dump symbol file only if different from module file 3195 if (!symfile_spec || symfile_spec == module->GetFileSpec()) { 3196 print_space = false; 3197 break; 3198 } 3199 // Add a newline and indent past the index 3200 strm.Printf("\n%*s", indent, ""); 3201 } 3202 DumpFullpath(strm, &symfile_spec, width); 3203 dump_object_name = true; 3204 break; 3205 } 3206 strm.Printf("%.*s", width, "<NONE>"); 3207 } break; 3208 3209 case 'm': 3210 strm.Format("{0:%c}", llvm::fmt_align(module->GetModificationTime(), 3211 llvm::AlignStyle::Left, width)); 3212 break; 3213 3214 case 'p': 3215 strm.Printf("%p", static_cast<void *>(module)); 3216 break; 3217 3218 case 'u': 3219 DumpModuleUUID(strm, module); 3220 break; 3221 3222 default: 3223 break; 3224 } 3225 } 3226 if (dump_object_name) { 3227 const char *object_name = module->GetObjectName().GetCString(); 3228 if (object_name) 3229 strm.Printf("(%s)", object_name); 3230 } 3231 strm.EOL(); 3232 } 3233 3234 CommandOptions m_options; 3235 }; 3236 3237 #pragma mark CommandObjectTargetModulesShowUnwind 3238 3239 // Lookup unwind information in images 3240 #define LLDB_OPTIONS_target_modules_show_unwind 3241 #include "CommandOptions.inc" 3242 3243 class CommandObjectTargetModulesShowUnwind : public CommandObjectParsed { 3244 public: 3245 enum { 3246 eLookupTypeInvalid = -1, 3247 eLookupTypeAddress = 0, 3248 eLookupTypeSymbol, 3249 eLookupTypeFunction, 3250 eLookupTypeFunctionOrSymbol, 3251 kNumLookupTypes 3252 }; 3253 3254 class CommandOptions : public Options { 3255 public: 3256 CommandOptions() 3257 : Options(), m_type(eLookupTypeInvalid), m_str(), 3258 m_addr(LLDB_INVALID_ADDRESS) {} 3259 3260 ~CommandOptions() override = default; 3261 3262 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 3263 ExecutionContext *execution_context) override { 3264 Status error; 3265 3266 const int short_option = m_getopt_table[option_idx].val; 3267 3268 switch (short_option) { 3269 case 'a': { 3270 m_str = option_arg; 3271 m_type = eLookupTypeAddress; 3272 m_addr = OptionArgParser::ToAddress(execution_context, option_arg, 3273 LLDB_INVALID_ADDRESS, &error); 3274 if (m_addr == LLDB_INVALID_ADDRESS) 3275 error.SetErrorStringWithFormat("invalid address string '%s'", 3276 option_arg.str().c_str()); 3277 break; 3278 } 3279 3280 case 'n': 3281 m_str = option_arg; 3282 m_type = eLookupTypeFunctionOrSymbol; 3283 break; 3284 3285 default: 3286 llvm_unreachable("Unimplemented option"); 3287 } 3288 3289 return error; 3290 } 3291 3292 void OptionParsingStarting(ExecutionContext *execution_context) override { 3293 m_type = eLookupTypeInvalid; 3294 m_str.clear(); 3295 m_addr = LLDB_INVALID_ADDRESS; 3296 } 3297 3298 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 3299 return llvm::makeArrayRef(g_target_modules_show_unwind_options); 3300 } 3301 3302 // Instance variables to hold the values for command options. 3303 3304 int m_type; // Should be a eLookupTypeXXX enum after parsing options 3305 std::string m_str; // Holds name lookup 3306 lldb::addr_t m_addr; // Holds the address to lookup 3307 }; 3308 3309 CommandObjectTargetModulesShowUnwind(CommandInterpreter &interpreter) 3310 : CommandObjectParsed( 3311 interpreter, "target modules show-unwind", 3312 "Show synthesized unwind instructions for a function.", nullptr, 3313 eCommandRequiresTarget | eCommandRequiresProcess | 3314 eCommandProcessMustBeLaunched | eCommandProcessMustBePaused), 3315 m_options() {} 3316 3317 ~CommandObjectTargetModulesShowUnwind() override = default; 3318 3319 Options *GetOptions() override { return &m_options; } 3320 3321 protected: 3322 bool DoExecute(Args &command, CommandReturnObject &result) override { 3323 Target *target = m_exe_ctx.GetTargetPtr(); 3324 Process *process = m_exe_ctx.GetProcessPtr(); 3325 ABI *abi = nullptr; 3326 if (process) 3327 abi = process->GetABI().get(); 3328 3329 if (process == nullptr) { 3330 result.AppendError( 3331 "You must have a process running to use this command."); 3332 result.SetStatus(eReturnStatusFailed); 3333 return false; 3334 } 3335 3336 ThreadList threads(process->GetThreadList()); 3337 if (threads.GetSize() == 0) { 3338 result.AppendError("The process must be paused to use this command."); 3339 result.SetStatus(eReturnStatusFailed); 3340 return false; 3341 } 3342 3343 ThreadSP thread(threads.GetThreadAtIndex(0)); 3344 if (!thread) { 3345 result.AppendError("The process must be paused to use this command."); 3346 result.SetStatus(eReturnStatusFailed); 3347 return false; 3348 } 3349 3350 SymbolContextList sc_list; 3351 3352 if (m_options.m_type == eLookupTypeFunctionOrSymbol) { 3353 ConstString function_name(m_options.m_str.c_str()); 3354 target->GetImages().FindFunctions(function_name, eFunctionNameTypeAuto, 3355 true, false, true, sc_list); 3356 } else if (m_options.m_type == eLookupTypeAddress && target) { 3357 Address addr; 3358 if (target->GetSectionLoadList().ResolveLoadAddress(m_options.m_addr, 3359 addr)) { 3360 SymbolContext sc; 3361 ModuleSP module_sp(addr.GetModule()); 3362 module_sp->ResolveSymbolContextForAddress(addr, 3363 eSymbolContextEverything, sc); 3364 if (sc.function || sc.symbol) { 3365 sc_list.Append(sc); 3366 } 3367 } 3368 } else { 3369 result.AppendError( 3370 "address-expression or function name option must be specified."); 3371 result.SetStatus(eReturnStatusFailed); 3372 return false; 3373 } 3374 3375 size_t num_matches = sc_list.GetSize(); 3376 if (num_matches == 0) { 3377 result.AppendErrorWithFormat("no unwind data found that matches '%s'.", 3378 m_options.m_str.c_str()); 3379 result.SetStatus(eReturnStatusFailed); 3380 return false; 3381 } 3382 3383 for (uint32_t idx = 0; idx < num_matches; idx++) { 3384 SymbolContext sc; 3385 sc_list.GetContextAtIndex(idx, sc); 3386 if (sc.symbol == nullptr && sc.function == nullptr) 3387 continue; 3388 if (!sc.module_sp || sc.module_sp->GetObjectFile() == nullptr) 3389 continue; 3390 AddressRange range; 3391 if (!sc.GetAddressRange(eSymbolContextFunction | eSymbolContextSymbol, 0, 3392 false, range)) 3393 continue; 3394 if (!range.GetBaseAddress().IsValid()) 3395 continue; 3396 ConstString funcname(sc.GetFunctionName()); 3397 if (funcname.IsEmpty()) 3398 continue; 3399 addr_t start_addr = range.GetBaseAddress().GetLoadAddress(target); 3400 if (abi) 3401 start_addr = abi->FixCodeAddress(start_addr); 3402 3403 FuncUnwindersSP func_unwinders_sp( 3404 sc.module_sp->GetUnwindTable() 3405 .GetUncachedFuncUnwindersContainingAddress(start_addr, sc)); 3406 if (!func_unwinders_sp) 3407 continue; 3408 3409 result.GetOutputStream().Printf( 3410 "UNWIND PLANS for %s`%s (start addr 0x%" PRIx64 ")\n\n", 3411 sc.module_sp->GetPlatformFileSpec().GetFilename().AsCString(), 3412 funcname.AsCString(), start_addr); 3413 3414 UnwindPlanSP non_callsite_unwind_plan = 3415 func_unwinders_sp->GetUnwindPlanAtNonCallSite(*target, *thread); 3416 if (non_callsite_unwind_plan) { 3417 result.GetOutputStream().Printf( 3418 "Asynchronous (not restricted to call-sites) UnwindPlan is '%s'\n", 3419 non_callsite_unwind_plan->GetSourceName().AsCString()); 3420 } 3421 UnwindPlanSP callsite_unwind_plan = 3422 func_unwinders_sp->GetUnwindPlanAtCallSite(*target, *thread); 3423 if (callsite_unwind_plan) { 3424 result.GetOutputStream().Printf( 3425 "Synchronous (restricted to call-sites) UnwindPlan is '%s'\n", 3426 callsite_unwind_plan->GetSourceName().AsCString()); 3427 } 3428 UnwindPlanSP fast_unwind_plan = 3429 func_unwinders_sp->GetUnwindPlanFastUnwind(*target, *thread); 3430 if (fast_unwind_plan) { 3431 result.GetOutputStream().Printf( 3432 "Fast UnwindPlan is '%s'\n", 3433 fast_unwind_plan->GetSourceName().AsCString()); 3434 } 3435 3436 result.GetOutputStream().Printf("\n"); 3437 3438 UnwindPlanSP assembly_sp = 3439 func_unwinders_sp->GetAssemblyUnwindPlan(*target, *thread); 3440 if (assembly_sp) { 3441 result.GetOutputStream().Printf( 3442 "Assembly language inspection UnwindPlan:\n"); 3443 assembly_sp->Dump(result.GetOutputStream(), thread.get(), 3444 LLDB_INVALID_ADDRESS); 3445 result.GetOutputStream().Printf("\n"); 3446 } 3447 3448 UnwindPlanSP ehframe_sp = 3449 func_unwinders_sp->GetEHFrameUnwindPlan(*target); 3450 if (ehframe_sp) { 3451 result.GetOutputStream().Printf("eh_frame UnwindPlan:\n"); 3452 ehframe_sp->Dump(result.GetOutputStream(), thread.get(), 3453 LLDB_INVALID_ADDRESS); 3454 result.GetOutputStream().Printf("\n"); 3455 } 3456 3457 UnwindPlanSP ehframe_augmented_sp = 3458 func_unwinders_sp->GetEHFrameAugmentedUnwindPlan(*target, *thread); 3459 if (ehframe_augmented_sp) { 3460 result.GetOutputStream().Printf("eh_frame augmented UnwindPlan:\n"); 3461 ehframe_augmented_sp->Dump(result.GetOutputStream(), thread.get(), 3462 LLDB_INVALID_ADDRESS); 3463 result.GetOutputStream().Printf("\n"); 3464 } 3465 3466 if (UnwindPlanSP plan_sp = 3467 func_unwinders_sp->GetDebugFrameUnwindPlan(*target)) { 3468 result.GetOutputStream().Printf("debug_frame UnwindPlan:\n"); 3469 plan_sp->Dump(result.GetOutputStream(), thread.get(), 3470 LLDB_INVALID_ADDRESS); 3471 result.GetOutputStream().Printf("\n"); 3472 } 3473 3474 if (UnwindPlanSP plan_sp = 3475 func_unwinders_sp->GetDebugFrameAugmentedUnwindPlan(*target, 3476 *thread)) { 3477 result.GetOutputStream().Printf("debug_frame augmented UnwindPlan:\n"); 3478 plan_sp->Dump(result.GetOutputStream(), thread.get(), 3479 LLDB_INVALID_ADDRESS); 3480 result.GetOutputStream().Printf("\n"); 3481 } 3482 3483 UnwindPlanSP arm_unwind_sp = 3484 func_unwinders_sp->GetArmUnwindUnwindPlan(*target); 3485 if (arm_unwind_sp) { 3486 result.GetOutputStream().Printf("ARM.exidx unwind UnwindPlan:\n"); 3487 arm_unwind_sp->Dump(result.GetOutputStream(), thread.get(), 3488 LLDB_INVALID_ADDRESS); 3489 result.GetOutputStream().Printf("\n"); 3490 } 3491 3492 if (UnwindPlanSP symfile_plan_sp = 3493 func_unwinders_sp->GetSymbolFileUnwindPlan(*thread)) { 3494 result.GetOutputStream().Printf("Symbol file UnwindPlan:\n"); 3495 symfile_plan_sp->Dump(result.GetOutputStream(), thread.get(), 3496 LLDB_INVALID_ADDRESS); 3497 result.GetOutputStream().Printf("\n"); 3498 } 3499 3500 UnwindPlanSP compact_unwind_sp = 3501 func_unwinders_sp->GetCompactUnwindUnwindPlan(*target); 3502 if (compact_unwind_sp) { 3503 result.GetOutputStream().Printf("Compact unwind UnwindPlan:\n"); 3504 compact_unwind_sp->Dump(result.GetOutputStream(), thread.get(), 3505 LLDB_INVALID_ADDRESS); 3506 result.GetOutputStream().Printf("\n"); 3507 } 3508 3509 if (fast_unwind_plan) { 3510 result.GetOutputStream().Printf("Fast UnwindPlan:\n"); 3511 fast_unwind_plan->Dump(result.GetOutputStream(), thread.get(), 3512 LLDB_INVALID_ADDRESS); 3513 result.GetOutputStream().Printf("\n"); 3514 } 3515 3516 ABISP abi_sp = process->GetABI(); 3517 if (abi_sp) { 3518 UnwindPlan arch_default(lldb::eRegisterKindGeneric); 3519 if (abi_sp->CreateDefaultUnwindPlan(arch_default)) { 3520 result.GetOutputStream().Printf("Arch default UnwindPlan:\n"); 3521 arch_default.Dump(result.GetOutputStream(), thread.get(), 3522 LLDB_INVALID_ADDRESS); 3523 result.GetOutputStream().Printf("\n"); 3524 } 3525 3526 UnwindPlan arch_entry(lldb::eRegisterKindGeneric); 3527 if (abi_sp->CreateFunctionEntryUnwindPlan(arch_entry)) { 3528 result.GetOutputStream().Printf( 3529 "Arch default at entry point UnwindPlan:\n"); 3530 arch_entry.Dump(result.GetOutputStream(), thread.get(), 3531 LLDB_INVALID_ADDRESS); 3532 result.GetOutputStream().Printf("\n"); 3533 } 3534 } 3535 3536 result.GetOutputStream().Printf("\n"); 3537 } 3538 return result.Succeeded(); 3539 } 3540 3541 CommandOptions m_options; 3542 }; 3543 3544 // Lookup information in images 3545 #define LLDB_OPTIONS_target_modules_lookup 3546 #include "CommandOptions.inc" 3547 3548 class CommandObjectTargetModulesLookup : public CommandObjectParsed { 3549 public: 3550 enum { 3551 eLookupTypeInvalid = -1, 3552 eLookupTypeAddress = 0, 3553 eLookupTypeSymbol, 3554 eLookupTypeFileLine, // Line is optional 3555 eLookupTypeFunction, 3556 eLookupTypeFunctionOrSymbol, 3557 eLookupTypeType, 3558 kNumLookupTypes 3559 }; 3560 3561 class CommandOptions : public Options { 3562 public: 3563 CommandOptions() : Options() { OptionParsingStarting(nullptr); } 3564 3565 ~CommandOptions() override = default; 3566 3567 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 3568 ExecutionContext *execution_context) override { 3569 Status error; 3570 3571 const int short_option = m_getopt_table[option_idx].val; 3572 3573 switch (short_option) { 3574 case 'a': { 3575 m_type = eLookupTypeAddress; 3576 m_addr = OptionArgParser::ToAddress(execution_context, option_arg, 3577 LLDB_INVALID_ADDRESS, &error); 3578 } break; 3579 3580 case 'o': 3581 if (option_arg.getAsInteger(0, m_offset)) 3582 error.SetErrorStringWithFormat("invalid offset string '%s'", 3583 option_arg.str().c_str()); 3584 break; 3585 3586 case 's': 3587 m_str = option_arg; 3588 m_type = eLookupTypeSymbol; 3589 break; 3590 3591 case 'f': 3592 m_file.SetFile(option_arg, FileSpec::Style::native); 3593 m_type = eLookupTypeFileLine; 3594 break; 3595 3596 case 'i': 3597 m_include_inlines = false; 3598 break; 3599 3600 case 'l': 3601 if (option_arg.getAsInteger(0, m_line_number)) 3602 error.SetErrorStringWithFormat("invalid line number string '%s'", 3603 option_arg.str().c_str()); 3604 else if (m_line_number == 0) 3605 error.SetErrorString("zero is an invalid line number"); 3606 m_type = eLookupTypeFileLine; 3607 break; 3608 3609 case 'F': 3610 m_str = option_arg; 3611 m_type = eLookupTypeFunction; 3612 break; 3613 3614 case 'n': 3615 m_str = option_arg; 3616 m_type = eLookupTypeFunctionOrSymbol; 3617 break; 3618 3619 case 't': 3620 m_str = option_arg; 3621 m_type = eLookupTypeType; 3622 break; 3623 3624 case 'v': 3625 m_verbose = true; 3626 break; 3627 3628 case 'A': 3629 m_print_all = true; 3630 break; 3631 3632 case 'r': 3633 m_use_regex = true; 3634 break; 3635 default: 3636 llvm_unreachable("Unimplemented option"); 3637 } 3638 3639 return error; 3640 } 3641 3642 void OptionParsingStarting(ExecutionContext *execution_context) override { 3643 m_type = eLookupTypeInvalid; 3644 m_str.clear(); 3645 m_file.Clear(); 3646 m_addr = LLDB_INVALID_ADDRESS; 3647 m_offset = 0; 3648 m_line_number = 0; 3649 m_use_regex = false; 3650 m_include_inlines = true; 3651 m_verbose = false; 3652 m_print_all = false; 3653 } 3654 3655 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 3656 return llvm::makeArrayRef(g_target_modules_lookup_options); 3657 } 3658 3659 int m_type; // Should be a eLookupTypeXXX enum after parsing options 3660 std::string m_str; // Holds name lookup 3661 FileSpec m_file; // Files for file lookups 3662 lldb::addr_t m_addr; // Holds the address to lookup 3663 lldb::addr_t 3664 m_offset; // Subtract this offset from m_addr before doing lookups. 3665 uint32_t m_line_number; // Line number for file+line lookups 3666 bool m_use_regex; // Name lookups in m_str are regular expressions. 3667 bool m_include_inlines; // Check for inline entries when looking up by 3668 // file/line. 3669 bool m_verbose; // Enable verbose lookup info 3670 bool m_print_all; // Print all matches, even in cases where there's a best 3671 // match. 3672 }; 3673 3674 CommandObjectTargetModulesLookup(CommandInterpreter &interpreter) 3675 : CommandObjectParsed(interpreter, "target modules lookup", 3676 "Look up information within executable and " 3677 "dependent shared library images.", 3678 nullptr, eCommandRequiresTarget), 3679 m_options() { 3680 CommandArgumentEntry arg; 3681 CommandArgumentData file_arg; 3682 3683 // Define the first (and only) variant of this arg. 3684 file_arg.arg_type = eArgTypeFilename; 3685 file_arg.arg_repetition = eArgRepeatStar; 3686 3687 // There is only one variant this argument could be; put it into the 3688 // argument entry. 3689 arg.push_back(file_arg); 3690 3691 // Push the data for the first argument into the m_arguments vector. 3692 m_arguments.push_back(arg); 3693 } 3694 3695 ~CommandObjectTargetModulesLookup() override = default; 3696 3697 Options *GetOptions() override { return &m_options; } 3698 3699 bool LookupHere(CommandInterpreter &interpreter, CommandReturnObject &result, 3700 bool &syntax_error) { 3701 switch (m_options.m_type) { 3702 case eLookupTypeAddress: 3703 case eLookupTypeFileLine: 3704 case eLookupTypeFunction: 3705 case eLookupTypeFunctionOrSymbol: 3706 case eLookupTypeSymbol: 3707 default: 3708 return false; 3709 case eLookupTypeType: 3710 break; 3711 } 3712 3713 StackFrameSP frame = m_exe_ctx.GetFrameSP(); 3714 3715 if (!frame) 3716 return false; 3717 3718 const SymbolContext &sym_ctx(frame->GetSymbolContext(eSymbolContextModule)); 3719 3720 if (!sym_ctx.module_sp) 3721 return false; 3722 3723 switch (m_options.m_type) { 3724 default: 3725 return false; 3726 case eLookupTypeType: 3727 if (!m_options.m_str.empty()) { 3728 if (LookupTypeHere(m_interpreter, result.GetOutputStream(), 3729 *sym_ctx.module_sp, m_options.m_str.c_str(), 3730 m_options.m_use_regex)) { 3731 result.SetStatus(eReturnStatusSuccessFinishResult); 3732 return true; 3733 } 3734 } 3735 break; 3736 } 3737 3738 return true; 3739 } 3740 3741 bool LookupInModule(CommandInterpreter &interpreter, Module *module, 3742 CommandReturnObject &result, bool &syntax_error) { 3743 switch (m_options.m_type) { 3744 case eLookupTypeAddress: 3745 if (m_options.m_addr != LLDB_INVALID_ADDRESS) { 3746 if (LookupAddressInModule( 3747 m_interpreter, result.GetOutputStream(), module, 3748 eSymbolContextEverything | 3749 (m_options.m_verbose 3750 ? static_cast<int>(eSymbolContextVariable) 3751 : 0), 3752 m_options.m_addr, m_options.m_offset, m_options.m_verbose)) { 3753 result.SetStatus(eReturnStatusSuccessFinishResult); 3754 return true; 3755 } 3756 } 3757 break; 3758 3759 case eLookupTypeSymbol: 3760 if (!m_options.m_str.empty()) { 3761 if (LookupSymbolInModule(m_interpreter, result.GetOutputStream(), 3762 module, m_options.m_str.c_str(), 3763 m_options.m_use_regex, m_options.m_verbose)) { 3764 result.SetStatus(eReturnStatusSuccessFinishResult); 3765 return true; 3766 } 3767 } 3768 break; 3769 3770 case eLookupTypeFileLine: 3771 if (m_options.m_file) { 3772 if (LookupFileAndLineInModule( 3773 m_interpreter, result.GetOutputStream(), module, 3774 m_options.m_file, m_options.m_line_number, 3775 m_options.m_include_inlines, m_options.m_verbose)) { 3776 result.SetStatus(eReturnStatusSuccessFinishResult); 3777 return true; 3778 } 3779 } 3780 break; 3781 3782 case eLookupTypeFunctionOrSymbol: 3783 case eLookupTypeFunction: 3784 if (!m_options.m_str.empty()) { 3785 if (LookupFunctionInModule( 3786 m_interpreter, result.GetOutputStream(), module, 3787 m_options.m_str.c_str(), m_options.m_use_regex, 3788 m_options.m_include_inlines, 3789 m_options.m_type == 3790 eLookupTypeFunctionOrSymbol, // include symbols 3791 m_options.m_verbose)) { 3792 result.SetStatus(eReturnStatusSuccessFinishResult); 3793 return true; 3794 } 3795 } 3796 break; 3797 3798 case eLookupTypeType: 3799 if (!m_options.m_str.empty()) { 3800 if (LookupTypeInModule(m_interpreter, result.GetOutputStream(), module, 3801 m_options.m_str.c_str(), 3802 m_options.m_use_regex)) { 3803 result.SetStatus(eReturnStatusSuccessFinishResult); 3804 return true; 3805 } 3806 } 3807 break; 3808 3809 default: 3810 m_options.GenerateOptionUsage( 3811 result.GetErrorStream(), this, 3812 GetCommandInterpreter().GetDebugger().GetTerminalWidth()); 3813 syntax_error = true; 3814 break; 3815 } 3816 3817 result.SetStatus(eReturnStatusFailed); 3818 return false; 3819 } 3820 3821 protected: 3822 bool DoExecute(Args &command, CommandReturnObject &result) override { 3823 Target *target = &GetSelectedTarget(); 3824 bool syntax_error = false; 3825 uint32_t i; 3826 uint32_t num_successful_lookups = 0; 3827 uint32_t addr_byte_size = target->GetArchitecture().GetAddressByteSize(); 3828 result.GetOutputStream().SetAddressByteSize(addr_byte_size); 3829 result.GetErrorStream().SetAddressByteSize(addr_byte_size); 3830 // Dump all sections for all modules images 3831 3832 if (command.GetArgumentCount() == 0) { 3833 ModuleSP current_module; 3834 3835 // Where it is possible to look in the current symbol context first, 3836 // try that. If this search was successful and --all was not passed, 3837 // don't print anything else. 3838 if (LookupHere(m_interpreter, result, syntax_error)) { 3839 result.GetOutputStream().EOL(); 3840 num_successful_lookups++; 3841 if (!m_options.m_print_all) { 3842 result.SetStatus(eReturnStatusSuccessFinishResult); 3843 return result.Succeeded(); 3844 } 3845 } 3846 3847 // Dump all sections for all other modules 3848 3849 const ModuleList &target_modules = target->GetImages(); 3850 std::lock_guard<std::recursive_mutex> guard(target_modules.GetMutex()); 3851 const size_t num_modules = target_modules.GetSize(); 3852 if (num_modules > 0) { 3853 for (i = 0; i < num_modules && !syntax_error; ++i) { 3854 Module *module_pointer = 3855 target_modules.GetModulePointerAtIndexUnlocked(i); 3856 3857 if (module_pointer != current_module.get() && 3858 LookupInModule(m_interpreter, 3859 target_modules.GetModulePointerAtIndexUnlocked(i), 3860 result, syntax_error)) { 3861 result.GetOutputStream().EOL(); 3862 num_successful_lookups++; 3863 } 3864 } 3865 } else { 3866 result.AppendError("the target has no associated executable images"); 3867 result.SetStatus(eReturnStatusFailed); 3868 return false; 3869 } 3870 } else { 3871 // Dump specified images (by basename or fullpath) 3872 const char *arg_cstr; 3873 for (i = 0; (arg_cstr = command.GetArgumentAtIndex(i)) != nullptr && 3874 !syntax_error; 3875 ++i) { 3876 ModuleList module_list; 3877 const size_t num_matches = 3878 FindModulesByName(target, arg_cstr, module_list, false); 3879 if (num_matches > 0) { 3880 for (size_t j = 0; j < num_matches; ++j) { 3881 Module *module = module_list.GetModulePointerAtIndex(j); 3882 if (module) { 3883 if (LookupInModule(m_interpreter, module, result, syntax_error)) { 3884 result.GetOutputStream().EOL(); 3885 num_successful_lookups++; 3886 } 3887 } 3888 } 3889 } else 3890 result.AppendWarningWithFormat( 3891 "Unable to find an image that matches '%s'.\n", arg_cstr); 3892 } 3893 } 3894 3895 if (num_successful_lookups > 0) 3896 result.SetStatus(eReturnStatusSuccessFinishResult); 3897 else 3898 result.SetStatus(eReturnStatusFailed); 3899 return result.Succeeded(); 3900 } 3901 3902 CommandOptions m_options; 3903 }; 3904 3905 #pragma mark CommandObjectMultiwordImageSearchPaths 3906 3907 // CommandObjectMultiwordImageSearchPaths 3908 3909 class CommandObjectTargetModulesImageSearchPaths 3910 : public CommandObjectMultiword { 3911 public: 3912 CommandObjectTargetModulesImageSearchPaths(CommandInterpreter &interpreter) 3913 : CommandObjectMultiword( 3914 interpreter, "target modules search-paths", 3915 "Commands for managing module search paths for a target.", 3916 "target modules search-paths <subcommand> [<subcommand-options>]") { 3917 LoadSubCommand( 3918 "add", CommandObjectSP( 3919 new CommandObjectTargetModulesSearchPathsAdd(interpreter))); 3920 LoadSubCommand( 3921 "clear", CommandObjectSP(new CommandObjectTargetModulesSearchPathsClear( 3922 interpreter))); 3923 LoadSubCommand( 3924 "insert", 3925 CommandObjectSP( 3926 new CommandObjectTargetModulesSearchPathsInsert(interpreter))); 3927 LoadSubCommand( 3928 "list", CommandObjectSP(new CommandObjectTargetModulesSearchPathsList( 3929 interpreter))); 3930 LoadSubCommand( 3931 "query", CommandObjectSP(new CommandObjectTargetModulesSearchPathsQuery( 3932 interpreter))); 3933 } 3934 3935 ~CommandObjectTargetModulesImageSearchPaths() override = default; 3936 }; 3937 3938 #pragma mark CommandObjectTargetModules 3939 3940 // CommandObjectTargetModules 3941 3942 class CommandObjectTargetModules : public CommandObjectMultiword { 3943 public: 3944 // Constructors and Destructors 3945 CommandObjectTargetModules(CommandInterpreter &interpreter) 3946 : CommandObjectMultiword(interpreter, "target modules", 3947 "Commands for accessing information for one or " 3948 "more target modules.", 3949 "target modules <sub-command> ...") { 3950 LoadSubCommand( 3951 "add", CommandObjectSP(new CommandObjectTargetModulesAdd(interpreter))); 3952 LoadSubCommand("load", CommandObjectSP(new CommandObjectTargetModulesLoad( 3953 interpreter))); 3954 LoadSubCommand("dump", CommandObjectSP(new CommandObjectTargetModulesDump( 3955 interpreter))); 3956 LoadSubCommand("list", CommandObjectSP(new CommandObjectTargetModulesList( 3957 interpreter))); 3958 LoadSubCommand( 3959 "lookup", 3960 CommandObjectSP(new CommandObjectTargetModulesLookup(interpreter))); 3961 LoadSubCommand( 3962 "search-paths", 3963 CommandObjectSP( 3964 new CommandObjectTargetModulesImageSearchPaths(interpreter))); 3965 LoadSubCommand( 3966 "show-unwind", 3967 CommandObjectSP(new CommandObjectTargetModulesShowUnwind(interpreter))); 3968 } 3969 3970 ~CommandObjectTargetModules() override = default; 3971 3972 private: 3973 // For CommandObjectTargetModules only 3974 DISALLOW_COPY_AND_ASSIGN(CommandObjectTargetModules); 3975 }; 3976 3977 class CommandObjectTargetSymbolsAdd : public CommandObjectParsed { 3978 public: 3979 CommandObjectTargetSymbolsAdd(CommandInterpreter &interpreter) 3980 : CommandObjectParsed( 3981 interpreter, "target symbols add", 3982 "Add a debug symbol file to one of the target's current modules by " 3983 "specifying a path to a debug symbols file, or using the options " 3984 "to specify a module to download symbols for.", 3985 "target symbols add <cmd-options> [<symfile>]", 3986 eCommandRequiresTarget), 3987 m_option_group(), 3988 m_file_option( 3989 LLDB_OPT_SET_1, false, "shlib", 's', 3990 CommandCompletions::eModuleCompletion, eArgTypeShlibName, 3991 "Fullpath or basename for module to find debug symbols for."), 3992 m_current_frame_option( 3993 LLDB_OPT_SET_2, false, "frame", 'F', 3994 "Locate the debug symbols the currently selected frame.", false, 3995 true) 3996 3997 { 3998 m_option_group.Append(&m_uuid_option_group, LLDB_OPT_SET_ALL, 3999 LLDB_OPT_SET_1); 4000 m_option_group.Append(&m_file_option, LLDB_OPT_SET_ALL, LLDB_OPT_SET_1); 4001 m_option_group.Append(&m_current_frame_option, LLDB_OPT_SET_2, 4002 LLDB_OPT_SET_2); 4003 m_option_group.Finalize(); 4004 } 4005 4006 ~CommandObjectTargetSymbolsAdd() override = default; 4007 4008 void 4009 HandleArgumentCompletion(CompletionRequest &request, 4010 OptionElementVector &opt_element_vector) override { 4011 CommandCompletions::InvokeCommonCompletionCallbacks( 4012 GetCommandInterpreter(), CommandCompletions::eDiskFileCompletion, 4013 request, nullptr); 4014 } 4015 4016 Options *GetOptions() override { return &m_option_group; } 4017 4018 protected: 4019 bool AddModuleSymbols(Target *target, ModuleSpec &module_spec, bool &flush, 4020 CommandReturnObject &result) { 4021 const FileSpec &symbol_fspec = module_spec.GetSymbolFileSpec(); 4022 if (symbol_fspec) { 4023 char symfile_path[PATH_MAX]; 4024 symbol_fspec.GetPath(symfile_path, sizeof(symfile_path)); 4025 4026 if (!module_spec.GetUUID().IsValid()) { 4027 if (!module_spec.GetFileSpec() && !module_spec.GetPlatformFileSpec()) 4028 module_spec.GetFileSpec().GetFilename() = symbol_fspec.GetFilename(); 4029 } 4030 // We now have a module that represents a symbol file that can be used 4031 // for a module that might exist in the current target, so we need to 4032 // find that module in the target 4033 ModuleList matching_module_list; 4034 4035 size_t num_matches = 0; 4036 // First extract all module specs from the symbol file 4037 lldb_private::ModuleSpecList symfile_module_specs; 4038 if (ObjectFile::GetModuleSpecifications(module_spec.GetSymbolFileSpec(), 4039 0, 0, symfile_module_specs)) { 4040 // Now extract the module spec that matches the target architecture 4041 ModuleSpec target_arch_module_spec; 4042 ModuleSpec symfile_module_spec; 4043 target_arch_module_spec.GetArchitecture() = target->GetArchitecture(); 4044 if (symfile_module_specs.FindMatchingModuleSpec(target_arch_module_spec, 4045 symfile_module_spec)) { 4046 // See if it has a UUID? 4047 if (symfile_module_spec.GetUUID().IsValid()) { 4048 // It has a UUID, look for this UUID in the target modules 4049 ModuleSpec symfile_uuid_module_spec; 4050 symfile_uuid_module_spec.GetUUID() = symfile_module_spec.GetUUID(); 4051 num_matches = target->GetImages().FindModules( 4052 symfile_uuid_module_spec, matching_module_list); 4053 } 4054 } 4055 4056 if (num_matches == 0) { 4057 // No matches yet, iterate through the module specs to find a UUID 4058 // value that we can match up to an image in our target 4059 const size_t num_symfile_module_specs = 4060 symfile_module_specs.GetSize(); 4061 for (size_t i = 0; i < num_symfile_module_specs && num_matches == 0; 4062 ++i) { 4063 if (symfile_module_specs.GetModuleSpecAtIndex( 4064 i, symfile_module_spec)) { 4065 if (symfile_module_spec.GetUUID().IsValid()) { 4066 // It has a UUID, look for this UUID in the target modules 4067 ModuleSpec symfile_uuid_module_spec; 4068 symfile_uuid_module_spec.GetUUID() = 4069 symfile_module_spec.GetUUID(); 4070 num_matches = target->GetImages().FindModules( 4071 symfile_uuid_module_spec, matching_module_list); 4072 } 4073 } 4074 } 4075 } 4076 } 4077 4078 // Just try to match up the file by basename if we have no matches at 4079 // this point 4080 if (num_matches == 0) 4081 num_matches = 4082 target->GetImages().FindModules(module_spec, matching_module_list); 4083 4084 while (num_matches == 0) { 4085 ConstString filename_no_extension( 4086 module_spec.GetFileSpec().GetFileNameStrippingExtension()); 4087 // Empty string returned, lets bail 4088 if (!filename_no_extension) 4089 break; 4090 4091 // Check if there was no extension to strip and the basename is the 4092 // same 4093 if (filename_no_extension == module_spec.GetFileSpec().GetFilename()) 4094 break; 4095 4096 // Replace basename with one less extension 4097 module_spec.GetFileSpec().GetFilename() = filename_no_extension; 4098 4099 num_matches = 4100 target->GetImages().FindModules(module_spec, matching_module_list); 4101 } 4102 4103 if (num_matches > 1) { 4104 result.AppendErrorWithFormat("multiple modules match symbol file '%s', " 4105 "use the --uuid option to resolve the " 4106 "ambiguity.\n", 4107 symfile_path); 4108 } else if (num_matches == 1) { 4109 ModuleSP module_sp(matching_module_list.GetModuleAtIndex(0)); 4110 4111 // The module has not yet created its symbol vendor, we can just give 4112 // the existing target module the symfile path to use for when it 4113 // decides to create it! 4114 module_sp->SetSymbolFileFileSpec(symbol_fspec); 4115 4116 SymbolFile *symbol_file = 4117 module_sp->GetSymbolFile(true, &result.GetErrorStream()); 4118 if (symbol_file) { 4119 ObjectFile *object_file = symbol_file->GetObjectFile(); 4120 4121 if (object_file && object_file->GetFileSpec() == symbol_fspec) { 4122 // Provide feedback that the symfile has been successfully added. 4123 const FileSpec &module_fs = module_sp->GetFileSpec(); 4124 result.AppendMessageWithFormat( 4125 "symbol file '%s' has been added to '%s'\n", symfile_path, 4126 module_fs.GetPath().c_str()); 4127 4128 // Let clients know something changed in the module if it is 4129 // currently loaded 4130 ModuleList module_list; 4131 module_list.Append(module_sp); 4132 target->SymbolsDidLoad(module_list); 4133 4134 // Make sure we load any scripting resources that may be embedded 4135 // in the debug info files in case the platform supports that. 4136 Status error; 4137 StreamString feedback_stream; 4138 module_sp->LoadScriptingResourceInTarget(target, error, 4139 &feedback_stream); 4140 if (error.Fail() && error.AsCString()) 4141 result.AppendWarningWithFormat( 4142 "unable to load scripting data for module %s - error " 4143 "reported was %s", 4144 module_sp->GetFileSpec() 4145 .GetFileNameStrippingExtension() 4146 .GetCString(), 4147 error.AsCString()); 4148 else if (feedback_stream.GetSize()) 4149 result.AppendWarningWithFormat("%s", feedback_stream.GetData()); 4150 4151 flush = true; 4152 result.SetStatus(eReturnStatusSuccessFinishResult); 4153 return true; 4154 } 4155 } 4156 // Clear the symbol file spec if anything went wrong 4157 module_sp->SetSymbolFileFileSpec(FileSpec()); 4158 } 4159 4160 namespace fs = llvm::sys::fs; 4161 if (module_spec.GetUUID().IsValid()) { 4162 StreamString ss_symfile_uuid; 4163 module_spec.GetUUID().Dump(&ss_symfile_uuid); 4164 result.AppendErrorWithFormat( 4165 "symbol file '%s' (%s) does not match any existing module%s\n", 4166 symfile_path, ss_symfile_uuid.GetData(), 4167 !fs::is_regular_file(symbol_fspec.GetPath()) 4168 ? "\n please specify the full path to the symbol file" 4169 : ""); 4170 } else { 4171 result.AppendErrorWithFormat( 4172 "symbol file '%s' does not match any existing module%s\n", 4173 symfile_path, 4174 !fs::is_regular_file(symbol_fspec.GetPath()) 4175 ? "\n please specify the full path to the symbol file" 4176 : ""); 4177 } 4178 } else { 4179 result.AppendError( 4180 "one or more executable image paths must be specified"); 4181 } 4182 result.SetStatus(eReturnStatusFailed); 4183 return false; 4184 } 4185 4186 bool DoExecute(Args &args, CommandReturnObject &result) override { 4187 Target *target = m_exe_ctx.GetTargetPtr(); 4188 result.SetStatus(eReturnStatusFailed); 4189 bool flush = false; 4190 ModuleSpec module_spec; 4191 const bool uuid_option_set = 4192 m_uuid_option_group.GetOptionValue().OptionWasSet(); 4193 const bool file_option_set = m_file_option.GetOptionValue().OptionWasSet(); 4194 const bool frame_option_set = 4195 m_current_frame_option.GetOptionValue().OptionWasSet(); 4196 const size_t argc = args.GetArgumentCount(); 4197 4198 if (argc == 0) { 4199 if (uuid_option_set || file_option_set || frame_option_set) { 4200 bool success = false; 4201 bool error_set = false; 4202 if (frame_option_set) { 4203 Process *process = m_exe_ctx.GetProcessPtr(); 4204 if (process) { 4205 const StateType process_state = process->GetState(); 4206 if (StateIsStoppedState(process_state, true)) { 4207 StackFrame *frame = m_exe_ctx.GetFramePtr(); 4208 if (frame) { 4209 ModuleSP frame_module_sp( 4210 frame->GetSymbolContext(eSymbolContextModule).module_sp); 4211 if (frame_module_sp) { 4212 if (FileSystem::Instance().Exists( 4213 frame_module_sp->GetPlatformFileSpec())) { 4214 module_spec.GetArchitecture() = 4215 frame_module_sp->GetArchitecture(); 4216 module_spec.GetFileSpec() = 4217 frame_module_sp->GetPlatformFileSpec(); 4218 } 4219 module_spec.GetUUID() = frame_module_sp->GetUUID(); 4220 success = module_spec.GetUUID().IsValid() || 4221 module_spec.GetFileSpec(); 4222 } else { 4223 result.AppendError("frame has no module"); 4224 error_set = true; 4225 } 4226 } else { 4227 result.AppendError("invalid current frame"); 4228 error_set = true; 4229 } 4230 } else { 4231 result.AppendErrorWithFormat("process is not stopped: %s", 4232 StateAsCString(process_state)); 4233 error_set = true; 4234 } 4235 } else { 4236 result.AppendError( 4237 "a process must exist in order to use the --frame option"); 4238 error_set = true; 4239 } 4240 } else { 4241 if (uuid_option_set) { 4242 module_spec.GetUUID() = 4243 m_uuid_option_group.GetOptionValue().GetCurrentValue(); 4244 success |= module_spec.GetUUID().IsValid(); 4245 } else if (file_option_set) { 4246 module_spec.GetFileSpec() = 4247 m_file_option.GetOptionValue().GetCurrentValue(); 4248 ModuleSP module_sp( 4249 target->GetImages().FindFirstModule(module_spec)); 4250 if (module_sp) { 4251 module_spec.GetFileSpec() = module_sp->GetFileSpec(); 4252 module_spec.GetPlatformFileSpec() = 4253 module_sp->GetPlatformFileSpec(); 4254 module_spec.GetUUID() = module_sp->GetUUID(); 4255 module_spec.GetArchitecture() = module_sp->GetArchitecture(); 4256 } else { 4257 module_spec.GetArchitecture() = target->GetArchitecture(); 4258 } 4259 success |= module_spec.GetUUID().IsValid() || 4260 FileSystem::Instance().Exists(module_spec.GetFileSpec()); 4261 } 4262 } 4263 4264 if (success) { 4265 if (Symbols::DownloadObjectAndSymbolFile(module_spec)) { 4266 if (module_spec.GetSymbolFileSpec()) 4267 success = AddModuleSymbols(target, module_spec, flush, result); 4268 } 4269 } 4270 4271 if (!success && !error_set) { 4272 StreamString error_strm; 4273 if (uuid_option_set) { 4274 error_strm.PutCString("unable to find debug symbols for UUID "); 4275 module_spec.GetUUID().Dump(&error_strm); 4276 } else if (file_option_set) { 4277 error_strm.PutCString( 4278 "unable to find debug symbols for the executable file "); 4279 error_strm << module_spec.GetFileSpec(); 4280 } else if (frame_option_set) { 4281 error_strm.PutCString( 4282 "unable to find debug symbols for the current frame"); 4283 } 4284 result.AppendError(error_strm.GetString()); 4285 } 4286 } else { 4287 result.AppendError("one or more symbol file paths must be specified, " 4288 "or options must be specified"); 4289 } 4290 } else { 4291 if (uuid_option_set) { 4292 result.AppendError("specify either one or more paths to symbol files " 4293 "or use the --uuid option without arguments"); 4294 } else if (frame_option_set) { 4295 result.AppendError("specify either one or more paths to symbol files " 4296 "or use the --frame option without arguments"); 4297 } else if (file_option_set && argc > 1) { 4298 result.AppendError("specify at most one symbol file path when " 4299 "--shlib option is set"); 4300 } else { 4301 PlatformSP platform_sp(target->GetPlatform()); 4302 4303 for (auto &entry : args.entries()) { 4304 if (!entry.ref().empty()) { 4305 auto &symbol_file_spec = module_spec.GetSymbolFileSpec(); 4306 symbol_file_spec.SetFile(entry.ref(), FileSpec::Style::native); 4307 FileSystem::Instance().Resolve(symbol_file_spec); 4308 if (file_option_set) { 4309 module_spec.GetFileSpec() = 4310 m_file_option.GetOptionValue().GetCurrentValue(); 4311 } 4312 if (platform_sp) { 4313 FileSpec symfile_spec; 4314 if (platform_sp 4315 ->ResolveSymbolFile(*target, module_spec, symfile_spec) 4316 .Success()) 4317 module_spec.GetSymbolFileSpec() = symfile_spec; 4318 } 4319 4320 ArchSpec arch; 4321 bool symfile_exists = 4322 FileSystem::Instance().Exists(module_spec.GetSymbolFileSpec()); 4323 4324 if (symfile_exists) { 4325 if (!AddModuleSymbols(target, module_spec, flush, result)) 4326 break; 4327 } else { 4328 std::string resolved_symfile_path = 4329 module_spec.GetSymbolFileSpec().GetPath(); 4330 if (resolved_symfile_path != entry.ref()) { 4331 result.AppendErrorWithFormat( 4332 "invalid module path '%s' with resolved path '%s'\n", 4333 entry.c_str(), resolved_symfile_path.c_str()); 4334 break; 4335 } 4336 result.AppendErrorWithFormat("invalid module path '%s'\n", 4337 entry.c_str()); 4338 break; 4339 } 4340 } 4341 } 4342 } 4343 } 4344 4345 if (flush) { 4346 Process *process = m_exe_ctx.GetProcessPtr(); 4347 if (process) 4348 process->Flush(); 4349 } 4350 return result.Succeeded(); 4351 } 4352 4353 OptionGroupOptions m_option_group; 4354 OptionGroupUUID m_uuid_option_group; 4355 OptionGroupFile m_file_option; 4356 OptionGroupBoolean m_current_frame_option; 4357 }; 4358 4359 #pragma mark CommandObjectTargetSymbols 4360 4361 // CommandObjectTargetSymbols 4362 4363 class CommandObjectTargetSymbols : public CommandObjectMultiword { 4364 public: 4365 // Constructors and Destructors 4366 CommandObjectTargetSymbols(CommandInterpreter &interpreter) 4367 : CommandObjectMultiword( 4368 interpreter, "target symbols", 4369 "Commands for adding and managing debug symbol files.", 4370 "target symbols <sub-command> ...") { 4371 LoadSubCommand( 4372 "add", CommandObjectSP(new CommandObjectTargetSymbolsAdd(interpreter))); 4373 } 4374 4375 ~CommandObjectTargetSymbols() override = default; 4376 4377 private: 4378 // For CommandObjectTargetModules only 4379 DISALLOW_COPY_AND_ASSIGN(CommandObjectTargetSymbols); 4380 }; 4381 4382 #pragma mark CommandObjectTargetStopHookAdd 4383 4384 // CommandObjectTargetStopHookAdd 4385 #define LLDB_OPTIONS_target_stop_hook_add 4386 #include "CommandOptions.inc" 4387 4388 class CommandObjectTargetStopHookAdd : public CommandObjectParsed, 4389 public IOHandlerDelegateMultiline { 4390 public: 4391 class CommandOptions : public Options { 4392 public: 4393 CommandOptions() 4394 : Options(), m_line_start(0), m_line_end(UINT_MAX), 4395 m_func_name_type_mask(eFunctionNameTypeAuto), 4396 m_sym_ctx_specified(false), m_thread_specified(false), 4397 m_use_one_liner(false), m_one_liner() {} 4398 4399 ~CommandOptions() override = default; 4400 4401 llvm::ArrayRef<OptionDefinition> GetDefinitions() override { 4402 return llvm::makeArrayRef(g_target_stop_hook_add_options); 4403 } 4404 4405 Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg, 4406 ExecutionContext *execution_context) override { 4407 Status error; 4408 const int short_option = m_getopt_table[option_idx].val; 4409 4410 switch (short_option) { 4411 case 'c': 4412 m_class_name = option_arg; 4413 m_sym_ctx_specified = true; 4414 break; 4415 4416 case 'e': 4417 if (option_arg.getAsInteger(0, m_line_end)) { 4418 error.SetErrorStringWithFormat("invalid end line number: \"%s\"", 4419 option_arg.str().c_str()); 4420 break; 4421 } 4422 m_sym_ctx_specified = true; 4423 break; 4424 4425 case 'G': { 4426 bool value, success; 4427 value = OptionArgParser::ToBoolean(option_arg, false, &success); 4428 if (success) { 4429 m_auto_continue = value; 4430 } else 4431 error.SetErrorStringWithFormat( 4432 "invalid boolean value '%s' passed for -G option", 4433 option_arg.str().c_str()); 4434 } 4435 break; 4436 case 'l': 4437 if (option_arg.getAsInteger(0, m_line_start)) { 4438 error.SetErrorStringWithFormat("invalid start line number: \"%s\"", 4439 option_arg.str().c_str()); 4440 break; 4441 } 4442 m_sym_ctx_specified = true; 4443 break; 4444 4445 case 'i': 4446 m_no_inlines = true; 4447 break; 4448 4449 case 'n': 4450 m_function_name = option_arg; 4451 m_func_name_type_mask |= eFunctionNameTypeAuto; 4452 m_sym_ctx_specified = true; 4453 break; 4454 4455 case 'f': 4456 m_file_name = option_arg; 4457 m_sym_ctx_specified = true; 4458 break; 4459 4460 case 's': 4461 m_module_name = option_arg; 4462 m_sym_ctx_specified = true; 4463 break; 4464 4465 case 't': 4466 if (option_arg.getAsInteger(0, m_thread_id)) 4467 error.SetErrorStringWithFormat("invalid thread id string '%s'", 4468 option_arg.str().c_str()); 4469 m_thread_specified = true; 4470 break; 4471 4472 case 'T': 4473 m_thread_name = option_arg; 4474 m_thread_specified = true; 4475 break; 4476 4477 case 'q': 4478 m_queue_name = option_arg; 4479 m_thread_specified = true; 4480 break; 4481 4482 case 'x': 4483 if (option_arg.getAsInteger(0, m_thread_index)) 4484 error.SetErrorStringWithFormat("invalid thread index string '%s'", 4485 option_arg.str().c_str()); 4486 m_thread_specified = true; 4487 break; 4488 4489 case 'o': 4490 m_use_one_liner = true; 4491 m_one_liner.push_back(option_arg); 4492 break; 4493 4494 default: 4495 llvm_unreachable("Unimplemented option"); 4496 } 4497 return error; 4498 } 4499 4500 void OptionParsingStarting(ExecutionContext *execution_context) override { 4501 m_class_name.clear(); 4502 m_function_name.clear(); 4503 m_line_start = 0; 4504 m_line_end = UINT_MAX; 4505 m_file_name.clear(); 4506 m_module_name.clear(); 4507 m_func_name_type_mask = eFunctionNameTypeAuto; 4508 m_thread_id = LLDB_INVALID_THREAD_ID; 4509 m_thread_index = UINT32_MAX; 4510 m_thread_name.clear(); 4511 m_queue_name.clear(); 4512 4513 m_no_inlines = false; 4514 m_sym_ctx_specified = false; 4515 m_thread_specified = false; 4516 4517 m_use_one_liner = false; 4518 m_one_liner.clear(); 4519 m_auto_continue = false; 4520 } 4521 4522 std::string m_class_name; 4523 std::string m_function_name; 4524 uint32_t m_line_start; 4525 uint32_t m_line_end; 4526 std::string m_file_name; 4527 std::string m_module_name; 4528 uint32_t m_func_name_type_mask; // A pick from lldb::FunctionNameType. 4529 lldb::tid_t m_thread_id; 4530 uint32_t m_thread_index; 4531 std::string m_thread_name; 4532 std::string m_queue_name; 4533 bool m_sym_ctx_specified; 4534 bool m_no_inlines; 4535 bool m_thread_specified; 4536 // Instance variables to hold the values for one_liner options. 4537 bool m_use_one_liner; 4538 std::vector<std::string> m_one_liner; 4539 bool m_auto_continue; 4540 }; 4541 4542 CommandObjectTargetStopHookAdd(CommandInterpreter &interpreter) 4543 : CommandObjectParsed(interpreter, "target stop-hook add", 4544 "Add a hook to be executed when the target stops.", 4545 "target stop-hook add"), 4546 IOHandlerDelegateMultiline("DONE", 4547 IOHandlerDelegate::Completion::LLDBCommand), 4548 m_options() {} 4549 4550 ~CommandObjectTargetStopHookAdd() override = default; 4551 4552 Options *GetOptions() override { return &m_options; } 4553 4554 protected: 4555 void IOHandlerActivated(IOHandler &io_handler, bool interactive) override { 4556 StreamFileSP output_sp(io_handler.GetOutputStreamFileSP()); 4557 if (output_sp && interactive) { 4558 output_sp->PutCString( 4559 "Enter your stop hook command(s). Type 'DONE' to end.\n"); 4560 output_sp->Flush(); 4561 } 4562 } 4563 4564 void IOHandlerInputComplete(IOHandler &io_handler, 4565 std::string &line) override { 4566 if (m_stop_hook_sp) { 4567 if (line.empty()) { 4568 StreamFileSP error_sp(io_handler.GetErrorStreamFileSP()); 4569 if (error_sp) { 4570 error_sp->Printf("error: stop hook #%" PRIu64 4571 " aborted, no commands.\n", 4572 m_stop_hook_sp->GetID()); 4573 error_sp->Flush(); 4574 } 4575 Target *target = GetDebugger().GetSelectedTarget().get(); 4576 if (target) 4577 target->RemoveStopHookByID(m_stop_hook_sp->GetID()); 4578 } else { 4579 m_stop_hook_sp->GetCommandPointer()->SplitIntoLines(line); 4580 StreamFileSP output_sp(io_handler.GetOutputStreamFileSP()); 4581 if (output_sp) { 4582 output_sp->Printf("Stop hook #%" PRIu64 " added.\n", 4583 m_stop_hook_sp->GetID()); 4584 output_sp->Flush(); 4585 } 4586 } 4587 m_stop_hook_sp.reset(); 4588 } 4589 io_handler.SetIsDone(true); 4590 } 4591 4592 bool DoExecute(Args &command, CommandReturnObject &result) override { 4593 m_stop_hook_sp.reset(); 4594 4595 Target &target = GetSelectedOrDummyTarget(); 4596 Target::StopHookSP new_hook_sp = target.CreateStopHook(); 4597 4598 // First step, make the specifier. 4599 std::unique_ptr<SymbolContextSpecifier> specifier_up; 4600 if (m_options.m_sym_ctx_specified) { 4601 specifier_up.reset( 4602 new SymbolContextSpecifier(GetDebugger().GetSelectedTarget())); 4603 4604 if (!m_options.m_module_name.empty()) { 4605 specifier_up->AddSpecification( 4606 m_options.m_module_name.c_str(), 4607 SymbolContextSpecifier::eModuleSpecified); 4608 } 4609 4610 if (!m_options.m_class_name.empty()) { 4611 specifier_up->AddSpecification( 4612 m_options.m_class_name.c_str(), 4613 SymbolContextSpecifier::eClassOrNamespaceSpecified); 4614 } 4615 4616 if (!m_options.m_file_name.empty()) { 4617 specifier_up->AddSpecification(m_options.m_file_name.c_str(), 4618 SymbolContextSpecifier::eFileSpecified); 4619 } 4620 4621 if (m_options.m_line_start != 0) { 4622 specifier_up->AddLineSpecification( 4623 m_options.m_line_start, 4624 SymbolContextSpecifier::eLineStartSpecified); 4625 } 4626 4627 if (m_options.m_line_end != UINT_MAX) { 4628 specifier_up->AddLineSpecification( 4629 m_options.m_line_end, SymbolContextSpecifier::eLineEndSpecified); 4630 } 4631 4632 if (!m_options.m_function_name.empty()) { 4633 specifier_up->AddSpecification( 4634 m_options.m_function_name.c_str(), 4635 SymbolContextSpecifier::eFunctionSpecified); 4636 } 4637 } 4638 4639 if (specifier_up) 4640 new_hook_sp->SetSpecifier(specifier_up.release()); 4641 4642 // Next see if any of the thread options have been entered: 4643 4644 if (m_options.m_thread_specified) { 4645 ThreadSpec *thread_spec = new ThreadSpec(); 4646 4647 if (m_options.m_thread_id != LLDB_INVALID_THREAD_ID) { 4648 thread_spec->SetTID(m_options.m_thread_id); 4649 } 4650 4651 if (m_options.m_thread_index != UINT32_MAX) 4652 thread_spec->SetIndex(m_options.m_thread_index); 4653 4654 if (!m_options.m_thread_name.empty()) 4655 thread_spec->SetName(m_options.m_thread_name.c_str()); 4656 4657 if (!m_options.m_queue_name.empty()) 4658 thread_spec->SetQueueName(m_options.m_queue_name.c_str()); 4659 4660 new_hook_sp->SetThreadSpecifier(thread_spec); 4661 } 4662 4663 new_hook_sp->SetAutoContinue(m_options.m_auto_continue); 4664 if (m_options.m_use_one_liner) { 4665 // Use one-liners. 4666 for (auto cmd : m_options.m_one_liner) 4667 new_hook_sp->GetCommandPointer()->AppendString( 4668 cmd.c_str()); 4669 result.AppendMessageWithFormat("Stop hook #%" PRIu64 " added.\n", 4670 new_hook_sp->GetID()); 4671 } else { 4672 m_stop_hook_sp = new_hook_sp; 4673 m_interpreter.GetLLDBCommandsFromIOHandler( 4674 "> ", // Prompt 4675 *this, // IOHandlerDelegate 4676 true, // Run IOHandler in async mode 4677 nullptr); // Baton for the "io_handler" that will be passed back 4678 // into our IOHandlerDelegate functions 4679 } 4680 result.SetStatus(eReturnStatusSuccessFinishNoResult); 4681 4682 return result.Succeeded(); 4683 } 4684 4685 private: 4686 CommandOptions m_options; 4687 Target::StopHookSP m_stop_hook_sp; 4688 }; 4689 4690 #pragma mark CommandObjectTargetStopHookDelete 4691 4692 // CommandObjectTargetStopHookDelete 4693 4694 class CommandObjectTargetStopHookDelete : public CommandObjectParsed { 4695 public: 4696 CommandObjectTargetStopHookDelete(CommandInterpreter &interpreter) 4697 : CommandObjectParsed(interpreter, "target stop-hook delete", 4698 "Delete a stop-hook.", 4699 "target stop-hook delete [<idx>]") {} 4700 4701 ~CommandObjectTargetStopHookDelete() override = default; 4702 4703 protected: 4704 bool DoExecute(Args &command, CommandReturnObject &result) override { 4705 Target &target = GetSelectedOrDummyTarget(); 4706 // FIXME: see if we can use the breakpoint id style parser? 4707 size_t num_args = command.GetArgumentCount(); 4708 if (num_args == 0) { 4709 if (!m_interpreter.Confirm("Delete all stop hooks?", true)) { 4710 result.SetStatus(eReturnStatusFailed); 4711 return false; 4712 } else { 4713 target.RemoveAllStopHooks(); 4714 } 4715 } else { 4716 bool success; 4717 for (size_t i = 0; i < num_args; i++) { 4718 lldb::user_id_t user_id = StringConvert::ToUInt32( 4719 command.GetArgumentAtIndex(i), 0, 0, &success); 4720 if (!success) { 4721 result.AppendErrorWithFormat("invalid stop hook id: \"%s\".\n", 4722 command.GetArgumentAtIndex(i)); 4723 result.SetStatus(eReturnStatusFailed); 4724 return false; 4725 } 4726 success = target.RemoveStopHookByID(user_id); 4727 if (!success) { 4728 result.AppendErrorWithFormat("unknown stop hook id: \"%s\".\n", 4729 command.GetArgumentAtIndex(i)); 4730 result.SetStatus(eReturnStatusFailed); 4731 return false; 4732 } 4733 } 4734 } 4735 result.SetStatus(eReturnStatusSuccessFinishNoResult); 4736 return result.Succeeded(); 4737 } 4738 }; 4739 4740 #pragma mark CommandObjectTargetStopHookEnableDisable 4741 4742 // CommandObjectTargetStopHookEnableDisable 4743 4744 class CommandObjectTargetStopHookEnableDisable : public CommandObjectParsed { 4745 public: 4746 CommandObjectTargetStopHookEnableDisable(CommandInterpreter &interpreter, 4747 bool enable, const char *name, 4748 const char *help, const char *syntax) 4749 : CommandObjectParsed(interpreter, name, help, syntax), m_enable(enable) { 4750 } 4751 4752 ~CommandObjectTargetStopHookEnableDisable() override = default; 4753 4754 protected: 4755 bool DoExecute(Args &command, CommandReturnObject &result) override { 4756 Target &target = GetSelectedOrDummyTarget(); 4757 // FIXME: see if we can use the breakpoint id style parser? 4758 size_t num_args = command.GetArgumentCount(); 4759 bool success; 4760 4761 if (num_args == 0) { 4762 target.SetAllStopHooksActiveState(m_enable); 4763 } else { 4764 for (size_t i = 0; i < num_args; i++) { 4765 lldb::user_id_t user_id = StringConvert::ToUInt32( 4766 command.GetArgumentAtIndex(i), 0, 0, &success); 4767 if (!success) { 4768 result.AppendErrorWithFormat("invalid stop hook id: \"%s\".\n", 4769 command.GetArgumentAtIndex(i)); 4770 result.SetStatus(eReturnStatusFailed); 4771 return false; 4772 } 4773 success = target.SetStopHookActiveStateByID(user_id, m_enable); 4774 if (!success) { 4775 result.AppendErrorWithFormat("unknown stop hook id: \"%s\".\n", 4776 command.GetArgumentAtIndex(i)); 4777 result.SetStatus(eReturnStatusFailed); 4778 return false; 4779 } 4780 } 4781 } 4782 result.SetStatus(eReturnStatusSuccessFinishNoResult); 4783 return result.Succeeded(); 4784 } 4785 4786 private: 4787 bool m_enable; 4788 }; 4789 4790 #pragma mark CommandObjectTargetStopHookList 4791 4792 // CommandObjectTargetStopHookList 4793 4794 class CommandObjectTargetStopHookList : public CommandObjectParsed { 4795 public: 4796 CommandObjectTargetStopHookList(CommandInterpreter &interpreter) 4797 : CommandObjectParsed(interpreter, "target stop-hook list", 4798 "List all stop-hooks.", 4799 "target stop-hook list [<type>]") {} 4800 4801 ~CommandObjectTargetStopHookList() override = default; 4802 4803 protected: 4804 bool DoExecute(Args &command, CommandReturnObject &result) override { 4805 Target &target = GetSelectedOrDummyTarget(); 4806 4807 size_t num_hooks = target.GetNumStopHooks(); 4808 if (num_hooks == 0) { 4809 result.GetOutputStream().PutCString("No stop hooks.\n"); 4810 } else { 4811 for (size_t i = 0; i < num_hooks; i++) { 4812 Target::StopHookSP this_hook = target.GetStopHookAtIndex(i); 4813 if (i > 0) 4814 result.GetOutputStream().PutCString("\n"); 4815 this_hook->GetDescription(&(result.GetOutputStream()), 4816 eDescriptionLevelFull); 4817 } 4818 } 4819 result.SetStatus(eReturnStatusSuccessFinishResult); 4820 return result.Succeeded(); 4821 } 4822 }; 4823 4824 #pragma mark CommandObjectMultiwordTargetStopHooks 4825 4826 // CommandObjectMultiwordTargetStopHooks 4827 4828 class CommandObjectMultiwordTargetStopHooks : public CommandObjectMultiword { 4829 public: 4830 CommandObjectMultiwordTargetStopHooks(CommandInterpreter &interpreter) 4831 : CommandObjectMultiword( 4832 interpreter, "target stop-hook", 4833 "Commands for operating on debugger target stop-hooks.", 4834 "target stop-hook <subcommand> [<subcommand-options>]") { 4835 LoadSubCommand("add", CommandObjectSP( 4836 new CommandObjectTargetStopHookAdd(interpreter))); 4837 LoadSubCommand( 4838 "delete", 4839 CommandObjectSP(new CommandObjectTargetStopHookDelete(interpreter))); 4840 LoadSubCommand("disable", 4841 CommandObjectSP(new CommandObjectTargetStopHookEnableDisable( 4842 interpreter, false, "target stop-hook disable [<id>]", 4843 "Disable a stop-hook.", "target stop-hook disable"))); 4844 LoadSubCommand("enable", 4845 CommandObjectSP(new CommandObjectTargetStopHookEnableDisable( 4846 interpreter, true, "target stop-hook enable [<id>]", 4847 "Enable a stop-hook.", "target stop-hook enable"))); 4848 LoadSubCommand("list", CommandObjectSP(new CommandObjectTargetStopHookList( 4849 interpreter))); 4850 } 4851 4852 ~CommandObjectMultiwordTargetStopHooks() override = default; 4853 }; 4854 4855 #pragma mark CommandObjectMultiwordTarget 4856 4857 // CommandObjectMultiwordTarget 4858 4859 CommandObjectMultiwordTarget::CommandObjectMultiwordTarget( 4860 CommandInterpreter &interpreter) 4861 : CommandObjectMultiword(interpreter, "target", 4862 "Commands for operating on debugger targets.", 4863 "target <subcommand> [<subcommand-options>]") { 4864 LoadSubCommand("create", 4865 CommandObjectSP(new CommandObjectTargetCreate(interpreter))); 4866 LoadSubCommand("delete", 4867 CommandObjectSP(new CommandObjectTargetDelete(interpreter))); 4868 LoadSubCommand("list", 4869 CommandObjectSP(new CommandObjectTargetList(interpreter))); 4870 LoadSubCommand("select", 4871 CommandObjectSP(new CommandObjectTargetSelect(interpreter))); 4872 LoadSubCommand( 4873 "stop-hook", 4874 CommandObjectSP(new CommandObjectMultiwordTargetStopHooks(interpreter))); 4875 LoadSubCommand("modules", 4876 CommandObjectSP(new CommandObjectTargetModules(interpreter))); 4877 LoadSubCommand("symbols", 4878 CommandObjectSP(new CommandObjectTargetSymbols(interpreter))); 4879 LoadSubCommand("variable", 4880 CommandObjectSP(new CommandObjectTargetVariable(interpreter))); 4881 } 4882 4883 CommandObjectMultiwordTarget::~CommandObjectMultiwordTarget() = default; 4884