1 //===-- Target.cpp ----------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "lldb/Target/Target.h" 11 12 // C Includes 13 // C++ Includes 14 // Other libraries and framework includes 15 // Project includes 16 #include "lldb/Breakpoint/BreakpointResolver.h" 17 #include "lldb/Breakpoint/BreakpointResolverAddress.h" 18 #include "lldb/Breakpoint/BreakpointResolverFileLine.h" 19 #include "lldb/Breakpoint/BreakpointResolverFileRegex.h" 20 #include "lldb/Breakpoint/BreakpointResolverName.h" 21 #include "lldb/Breakpoint/Watchpoint.h" 22 #include "lldb/Core/Debugger.h" 23 #include "lldb/Core/Event.h" 24 #include "lldb/Core/Log.h" 25 #include "lldb/Core/StreamString.h" 26 #include "lldb/Core/Timer.h" 27 #include "lldb/Core/ValueObject.h" 28 #include "lldb/Expression/ClangASTSource.h" 29 #include "lldb/Expression/ClangUserExpression.h" 30 #include "lldb/Host/Host.h" 31 #include "lldb/Interpreter/CommandInterpreter.h" 32 #include "lldb/Interpreter/CommandReturnObject.h" 33 #include "lldb/Interpreter/OptionGroupWatchpoint.h" 34 #include "lldb/lldb-private-log.h" 35 #include "lldb/Symbol/ObjectFile.h" 36 #include "lldb/Target/Process.h" 37 #include "lldb/Target/StackFrame.h" 38 #include "lldb/Target/Thread.h" 39 #include "lldb/Target/ThreadSpec.h" 40 41 using namespace lldb; 42 using namespace lldb_private; 43 44 ConstString & 45 Target::GetStaticBroadcasterClass () 46 { 47 static ConstString class_name ("lldb.target"); 48 return class_name; 49 } 50 51 //---------------------------------------------------------------------- 52 // Target constructor 53 //---------------------------------------------------------------------- 54 Target::Target(Debugger &debugger, const ArchSpec &target_arch, const lldb::PlatformSP &platform_sp) : 55 Broadcaster (&debugger, "lldb.target"), 56 ExecutionContextScope (), 57 TargetInstanceSettings (GetSettingsController()), 58 m_debugger (debugger), 59 m_platform_sp (platform_sp), 60 m_mutex (Mutex::eMutexTypeRecursive), 61 m_arch (target_arch), 62 m_images (), 63 m_section_load_list (), 64 m_breakpoint_list (false), 65 m_internal_breakpoint_list (true), 66 m_watchpoint_list (), 67 m_process_sp (), 68 m_valid (true), 69 m_search_filter_sp (), 70 m_image_search_paths (ImageSearchPathsChanged, this), 71 m_scratch_ast_context_ap (NULL), 72 m_scratch_ast_source_ap (NULL), 73 m_ast_importer_ap (NULL), 74 m_persistent_variables (), 75 m_source_manager(*this), 76 m_stop_hooks (), 77 m_stop_hook_next_id (0), 78 m_suppress_stop_hooks (false), 79 m_suppress_synthetic_value(false) 80 { 81 SetEventName (eBroadcastBitBreakpointChanged, "breakpoint-changed"); 82 SetEventName (eBroadcastBitModulesLoaded, "modules-loaded"); 83 SetEventName (eBroadcastBitModulesUnloaded, "modules-unloaded"); 84 85 CheckInWithManager(); 86 87 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); 88 if (log) 89 log->Printf ("%p Target::Target()", this); 90 } 91 92 //---------------------------------------------------------------------- 93 // Destructor 94 //---------------------------------------------------------------------- 95 Target::~Target() 96 { 97 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); 98 if (log) 99 log->Printf ("%p Target::~Target()", this); 100 DeleteCurrentProcess (); 101 } 102 103 void 104 Target::Dump (Stream *s, lldb::DescriptionLevel description_level) 105 { 106 // s->Printf("%.*p: ", (int)sizeof(void*) * 2, this); 107 if (description_level != lldb::eDescriptionLevelBrief) 108 { 109 s->Indent(); 110 s->PutCString("Target\n"); 111 s->IndentMore(); 112 m_images.Dump(s); 113 m_breakpoint_list.Dump(s); 114 m_internal_breakpoint_list.Dump(s); 115 s->IndentLess(); 116 } 117 else 118 { 119 Module *exe_module = GetExecutableModulePointer(); 120 if (exe_module) 121 s->PutCString (exe_module->GetFileSpec().GetFilename().GetCString()); 122 else 123 s->PutCString ("No executable module."); 124 } 125 } 126 127 void 128 Target::DeleteCurrentProcess () 129 { 130 if (m_process_sp.get()) 131 { 132 m_section_load_list.Clear(); 133 if (m_process_sp->IsAlive()) 134 m_process_sp->Destroy(); 135 136 m_process_sp->Finalize(); 137 138 // Do any cleanup of the target we need to do between process instances. 139 // NB It is better to do this before destroying the process in case the 140 // clean up needs some help from the process. 141 m_breakpoint_list.ClearAllBreakpointSites(); 142 m_internal_breakpoint_list.ClearAllBreakpointSites(); 143 // Disable watchpoints just on the debugger side. 144 Mutex::Locker locker; 145 this->GetWatchpointList().GetListMutex(locker); 146 DisableAllWatchpoints(false); 147 ClearAllWatchpointHitCounts(); 148 m_process_sp.reset(); 149 } 150 } 151 152 const lldb::ProcessSP & 153 Target::CreateProcess (Listener &listener, const char *plugin_name, const FileSpec *crash_file) 154 { 155 DeleteCurrentProcess (); 156 m_process_sp = Process::FindPlugin(*this, plugin_name, listener, crash_file); 157 return m_process_sp; 158 } 159 160 const lldb::ProcessSP & 161 Target::GetProcessSP () const 162 { 163 return m_process_sp; 164 } 165 166 void 167 Target::Destroy() 168 { 169 Mutex::Locker locker (m_mutex); 170 m_valid = false; 171 DeleteCurrentProcess (); 172 m_platform_sp.reset(); 173 m_arch.Clear(); 174 m_images.Clear(); 175 m_section_load_list.Clear(); 176 const bool notify = false; 177 m_breakpoint_list.RemoveAll(notify); 178 m_internal_breakpoint_list.RemoveAll(notify); 179 m_last_created_breakpoint.reset(); 180 m_last_created_watchpoint.reset(); 181 m_search_filter_sp.reset(); 182 m_image_search_paths.Clear(notify); 183 m_scratch_ast_context_ap.reset(); 184 m_scratch_ast_source_ap.reset(); 185 m_ast_importer_ap.reset(); 186 m_persistent_variables.Clear(); 187 m_stop_hooks.clear(); 188 m_stop_hook_next_id = 0; 189 m_suppress_stop_hooks = false; 190 m_suppress_synthetic_value = false; 191 } 192 193 194 BreakpointList & 195 Target::GetBreakpointList(bool internal) 196 { 197 if (internal) 198 return m_internal_breakpoint_list; 199 else 200 return m_breakpoint_list; 201 } 202 203 const BreakpointList & 204 Target::GetBreakpointList(bool internal) const 205 { 206 if (internal) 207 return m_internal_breakpoint_list; 208 else 209 return m_breakpoint_list; 210 } 211 212 BreakpointSP 213 Target::GetBreakpointByID (break_id_t break_id) 214 { 215 BreakpointSP bp_sp; 216 217 if (LLDB_BREAK_ID_IS_INTERNAL (break_id)) 218 bp_sp = m_internal_breakpoint_list.FindBreakpointByID (break_id); 219 else 220 bp_sp = m_breakpoint_list.FindBreakpointByID (break_id); 221 222 return bp_sp; 223 } 224 225 BreakpointSP 226 Target::CreateSourceRegexBreakpoint (const FileSpecList *containingModules, 227 const FileSpecList *source_file_spec_list, 228 RegularExpression &source_regex, 229 bool internal) 230 { 231 SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList (containingModules, source_file_spec_list)); 232 BreakpointResolverSP resolver_sp(new BreakpointResolverFileRegex (NULL, source_regex)); 233 return CreateBreakpoint (filter_sp, resolver_sp, internal); 234 } 235 236 237 BreakpointSP 238 Target::CreateBreakpoint (const FileSpecList *containingModules, 239 const FileSpec &file, 240 uint32_t line_no, 241 bool check_inlines, 242 LazyBool skip_prologue, 243 bool internal) 244 { 245 SearchFilterSP filter_sp(GetSearchFilterForModuleList (containingModules)); 246 247 BreakpointResolverSP resolver_sp(new BreakpointResolverFileLine (NULL, file, line_no, check_inlines, 248 skip_prologue == eLazyBoolCalculate ? GetSkipPrologue() : skip_prologue)); 249 return CreateBreakpoint (filter_sp, resolver_sp, internal); 250 } 251 252 253 BreakpointSP 254 Target::CreateBreakpoint (lldb::addr_t addr, bool internal) 255 { 256 Address so_addr; 257 // Attempt to resolve our load address if possible, though it is ok if 258 // it doesn't resolve to section/offset. 259 260 // Try and resolve as a load address if possible 261 m_section_load_list.ResolveLoadAddress(addr, so_addr); 262 if (!so_addr.IsValid()) 263 { 264 // The address didn't resolve, so just set this as an absolute address 265 so_addr.SetOffset (addr); 266 } 267 BreakpointSP bp_sp (CreateBreakpoint(so_addr, internal)); 268 return bp_sp; 269 } 270 271 BreakpointSP 272 Target::CreateBreakpoint (Address &addr, bool internal) 273 { 274 SearchFilterSP filter_sp(new SearchFilterForNonModuleSpecificSearches (shared_from_this())); 275 BreakpointResolverSP resolver_sp (new BreakpointResolverAddress (NULL, addr)); 276 return CreateBreakpoint (filter_sp, resolver_sp, internal); 277 } 278 279 BreakpointSP 280 Target::CreateBreakpoint (const FileSpecList *containingModules, 281 const FileSpecList *containingSourceFiles, 282 const char *func_name, 283 uint32_t func_name_type_mask, 284 LazyBool skip_prologue, 285 bool internal) 286 { 287 BreakpointSP bp_sp; 288 if (func_name) 289 { 290 SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList (containingModules, containingSourceFiles)); 291 292 BreakpointResolverSP resolver_sp (new BreakpointResolverName (NULL, 293 func_name, 294 func_name_type_mask, 295 Breakpoint::Exact, 296 skip_prologue == eLazyBoolCalculate ? GetSkipPrologue() : skip_prologue)); 297 bp_sp = CreateBreakpoint (filter_sp, resolver_sp, internal); 298 } 299 return bp_sp; 300 } 301 302 lldb::BreakpointSP 303 Target::CreateBreakpoint (const FileSpecList *containingModules, 304 const FileSpecList *containingSourceFiles, 305 const std::vector<std::string> &func_names, 306 uint32_t func_name_type_mask, 307 LazyBool skip_prologue, 308 bool internal) 309 { 310 BreakpointSP bp_sp; 311 size_t num_names = func_names.size(); 312 if (num_names > 0) 313 { 314 SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList (containingModules, containingSourceFiles)); 315 316 BreakpointResolverSP resolver_sp (new BreakpointResolverName (NULL, 317 func_names, 318 func_name_type_mask, 319 skip_prologue == eLazyBoolCalculate ? GetSkipPrologue() : skip_prologue)); 320 bp_sp = CreateBreakpoint (filter_sp, resolver_sp, internal); 321 } 322 return bp_sp; 323 } 324 325 BreakpointSP 326 Target::CreateBreakpoint (const FileSpecList *containingModules, 327 const FileSpecList *containingSourceFiles, 328 const char *func_names[], 329 size_t num_names, 330 uint32_t func_name_type_mask, 331 LazyBool skip_prologue, 332 bool internal) 333 { 334 BreakpointSP bp_sp; 335 if (num_names > 0) 336 { 337 SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList (containingModules, containingSourceFiles)); 338 339 BreakpointResolverSP resolver_sp (new BreakpointResolverName (NULL, 340 func_names, 341 num_names, 342 func_name_type_mask, 343 skip_prologue == eLazyBoolCalculate ? GetSkipPrologue() : skip_prologue)); 344 bp_sp = CreateBreakpoint (filter_sp, resolver_sp, internal); 345 } 346 return bp_sp; 347 } 348 349 SearchFilterSP 350 Target::GetSearchFilterForModule (const FileSpec *containingModule) 351 { 352 SearchFilterSP filter_sp; 353 if (containingModule != NULL) 354 { 355 // TODO: We should look into sharing module based search filters 356 // across many breakpoints like we do for the simple target based one 357 filter_sp.reset (new SearchFilterByModule (shared_from_this(), *containingModule)); 358 } 359 else 360 { 361 if (m_search_filter_sp.get() == NULL) 362 m_search_filter_sp.reset (new SearchFilterForNonModuleSpecificSearches (shared_from_this())); 363 filter_sp = m_search_filter_sp; 364 } 365 return filter_sp; 366 } 367 368 SearchFilterSP 369 Target::GetSearchFilterForModuleList (const FileSpecList *containingModules) 370 { 371 SearchFilterSP filter_sp; 372 if (containingModules && containingModules->GetSize() != 0) 373 { 374 // TODO: We should look into sharing module based search filters 375 // across many breakpoints like we do for the simple target based one 376 filter_sp.reset (new SearchFilterByModuleList (shared_from_this(), *containingModules)); 377 } 378 else 379 { 380 if (m_search_filter_sp.get() == NULL) 381 m_search_filter_sp.reset (new SearchFilterForNonModuleSpecificSearches (shared_from_this())); 382 filter_sp = m_search_filter_sp; 383 } 384 return filter_sp; 385 } 386 387 SearchFilterSP 388 Target::GetSearchFilterForModuleAndCUList (const FileSpecList *containingModules, 389 const FileSpecList *containingSourceFiles) 390 { 391 if (containingSourceFiles == NULL || containingSourceFiles->GetSize() == 0) 392 return GetSearchFilterForModuleList(containingModules); 393 394 SearchFilterSP filter_sp; 395 if (containingModules == NULL) 396 { 397 // We could make a special "CU List only SearchFilter". Better yet was if these could be composable, 398 // but that will take a little reworking. 399 400 filter_sp.reset (new SearchFilterByModuleListAndCU (shared_from_this(), FileSpecList(), *containingSourceFiles)); 401 } 402 else 403 { 404 filter_sp.reset (new SearchFilterByModuleListAndCU (shared_from_this(), *containingModules, *containingSourceFiles)); 405 } 406 return filter_sp; 407 } 408 409 BreakpointSP 410 Target::CreateFuncRegexBreakpoint (const FileSpecList *containingModules, 411 const FileSpecList *containingSourceFiles, 412 RegularExpression &func_regex, 413 LazyBool skip_prologue, 414 bool internal) 415 { 416 SearchFilterSP filter_sp(GetSearchFilterForModuleAndCUList (containingModules, containingSourceFiles)); 417 BreakpointResolverSP resolver_sp(new BreakpointResolverName (NULL, 418 func_regex, 419 skip_prologue == eLazyBoolCalculate ? GetSkipPrologue() : skip_prologue)); 420 421 return CreateBreakpoint (filter_sp, resolver_sp, internal); 422 } 423 424 lldb::BreakpointSP 425 Target::CreateExceptionBreakpoint (enum lldb::LanguageType language, bool catch_bp, bool throw_bp, bool internal) 426 { 427 return LanguageRuntime::CreateExceptionBreakpoint (*this, language, catch_bp, throw_bp, internal); 428 } 429 430 BreakpointSP 431 Target::CreateBreakpoint (SearchFilterSP &filter_sp, BreakpointResolverSP &resolver_sp, bool internal) 432 { 433 BreakpointSP bp_sp; 434 if (filter_sp && resolver_sp) 435 { 436 bp_sp.reset(new Breakpoint (*this, filter_sp, resolver_sp)); 437 resolver_sp->SetBreakpoint (bp_sp.get()); 438 439 if (internal) 440 m_internal_breakpoint_list.Add (bp_sp, false); 441 else 442 m_breakpoint_list.Add (bp_sp, true); 443 444 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 445 if (log) 446 { 447 StreamString s; 448 bp_sp->GetDescription(&s, lldb::eDescriptionLevelVerbose); 449 log->Printf ("Target::%s (internal = %s) => break_id = %s\n", __FUNCTION__, internal ? "yes" : "no", s.GetData()); 450 } 451 452 bp_sp->ResolveBreakpoint(); 453 } 454 455 if (!internal && bp_sp) 456 { 457 m_last_created_breakpoint = bp_sp; 458 } 459 460 return bp_sp; 461 } 462 463 bool 464 Target::ProcessIsValid() 465 { 466 return (m_process_sp && m_process_sp->IsAlive()); 467 } 468 469 static bool 470 CheckIfWatchpointsExhausted(Target *target, Error &error) 471 { 472 uint32_t num_supported_hardware_watchpoints; 473 Error rc = target->GetProcessSP()->GetWatchpointSupportInfo(num_supported_hardware_watchpoints); 474 if (rc.Success()) 475 { 476 uint32_t num_current_watchpoints = target->GetWatchpointList().GetSize(); 477 if (num_current_watchpoints >= num_supported_hardware_watchpoints) 478 error.SetErrorStringWithFormat("number of supported hardware watchpoints (%u) has been reached", 479 num_supported_hardware_watchpoints); 480 } 481 return false; 482 } 483 484 // See also Watchpoint::SetWatchpointType(uint32_t type) and 485 // the OptionGroupWatchpoint::WatchType enum type. 486 WatchpointSP 487 Target::CreateWatchpoint(lldb::addr_t addr, size_t size, uint32_t type, Error &error) 488 { 489 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 490 if (log) 491 log->Printf("Target::%s (addr = 0x%8.8llx size = %zu type = %u)\n", 492 __FUNCTION__, addr, size, type); 493 494 WatchpointSP wp_sp; 495 if (!ProcessIsValid()) 496 { 497 error.SetErrorString("process is not alive"); 498 return wp_sp; 499 } 500 if (addr == LLDB_INVALID_ADDRESS || size == 0) 501 { 502 if (size == 0) 503 error.SetErrorString("cannot set a watchpoint with watch_size of 0"); 504 else 505 error.SetErrorStringWithFormat("invalid watch address: %llu", addr); 506 return wp_sp; 507 } 508 509 // Currently we only support one watchpoint per address, with total number 510 // of watchpoints limited by the hardware which the inferior is running on. 511 512 // Grab the list mutex while doing operations. 513 Mutex::Locker locker; 514 this->GetWatchpointList().GetListMutex(locker); 515 WatchpointSP matched_sp = m_watchpoint_list.FindByAddress(addr); 516 if (matched_sp) 517 { 518 size_t old_size = matched_sp->GetByteSize(); 519 uint32_t old_type = 520 (matched_sp->WatchpointRead() ? LLDB_WATCH_TYPE_READ : 0) | 521 (matched_sp->WatchpointWrite() ? LLDB_WATCH_TYPE_WRITE : 0); 522 // Return the existing watchpoint if both size and type match. 523 if (size == old_size && type == old_type) { 524 wp_sp = matched_sp; 525 wp_sp->SetEnabled(false); 526 } else { 527 // Nil the matched watchpoint; we will be creating a new one. 528 m_process_sp->DisableWatchpoint(matched_sp.get()); 529 m_watchpoint_list.Remove(matched_sp->GetID()); 530 } 531 } 532 533 if (!wp_sp) { 534 Watchpoint *new_wp = new Watchpoint(addr, size); 535 if (!new_wp) { 536 printf("Watchpoint ctor failed, out of memory?\n"); 537 return wp_sp; 538 } 539 new_wp->SetWatchpointType(type); 540 new_wp->SetTarget(this); 541 wp_sp.reset(new_wp); 542 m_watchpoint_list.Add(wp_sp); 543 } 544 545 error = m_process_sp->EnableWatchpoint(wp_sp.get()); 546 if (log) 547 log->Printf("Target::%s (creation of watchpoint %s with id = %u)\n", 548 __FUNCTION__, 549 error.Success() ? "succeeded" : "failed", 550 wp_sp->GetID()); 551 552 if (error.Fail()) { 553 // Enabling the watchpoint on the device side failed. 554 // Remove the said watchpoint from the list maintained by the target instance. 555 m_watchpoint_list.Remove(wp_sp->GetID()); 556 // See if we could provide more helpful error message. 557 if (!CheckIfWatchpointsExhausted(this, error)) 558 { 559 if (!OptionGroupWatchpoint::IsWatchSizeSupported(size)) 560 error.SetErrorStringWithFormat("watch size of %lu is not supported", size); 561 } 562 wp_sp.reset(); 563 } 564 else 565 m_last_created_watchpoint = wp_sp; 566 return wp_sp; 567 } 568 569 void 570 Target::RemoveAllBreakpoints (bool internal_also) 571 { 572 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 573 if (log) 574 log->Printf ("Target::%s (internal_also = %s)\n", __FUNCTION__, internal_also ? "yes" : "no"); 575 576 m_breakpoint_list.RemoveAll (true); 577 if (internal_also) 578 m_internal_breakpoint_list.RemoveAll (false); 579 580 m_last_created_breakpoint.reset(); 581 } 582 583 void 584 Target::DisableAllBreakpoints (bool internal_also) 585 { 586 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 587 if (log) 588 log->Printf ("Target::%s (internal_also = %s)\n", __FUNCTION__, internal_also ? "yes" : "no"); 589 590 m_breakpoint_list.SetEnabledAll (false); 591 if (internal_also) 592 m_internal_breakpoint_list.SetEnabledAll (false); 593 } 594 595 void 596 Target::EnableAllBreakpoints (bool internal_also) 597 { 598 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 599 if (log) 600 log->Printf ("Target::%s (internal_also = %s)\n", __FUNCTION__, internal_also ? "yes" : "no"); 601 602 m_breakpoint_list.SetEnabledAll (true); 603 if (internal_also) 604 m_internal_breakpoint_list.SetEnabledAll (true); 605 } 606 607 bool 608 Target::RemoveBreakpointByID (break_id_t break_id) 609 { 610 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 611 if (log) 612 log->Printf ("Target::%s (break_id = %i, internal = %s)\n", __FUNCTION__, break_id, LLDB_BREAK_ID_IS_INTERNAL (break_id) ? "yes" : "no"); 613 614 if (DisableBreakpointByID (break_id)) 615 { 616 if (LLDB_BREAK_ID_IS_INTERNAL (break_id)) 617 m_internal_breakpoint_list.Remove(break_id, false); 618 else 619 { 620 if (m_last_created_breakpoint) 621 { 622 if (m_last_created_breakpoint->GetID() == break_id) 623 m_last_created_breakpoint.reset(); 624 } 625 m_breakpoint_list.Remove(break_id, true); 626 } 627 return true; 628 } 629 return false; 630 } 631 632 bool 633 Target::DisableBreakpointByID (break_id_t break_id) 634 { 635 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 636 if (log) 637 log->Printf ("Target::%s (break_id = %i, internal = %s)\n", __FUNCTION__, break_id, LLDB_BREAK_ID_IS_INTERNAL (break_id) ? "yes" : "no"); 638 639 BreakpointSP bp_sp; 640 641 if (LLDB_BREAK_ID_IS_INTERNAL (break_id)) 642 bp_sp = m_internal_breakpoint_list.FindBreakpointByID (break_id); 643 else 644 bp_sp = m_breakpoint_list.FindBreakpointByID (break_id); 645 if (bp_sp) 646 { 647 bp_sp->SetEnabled (false); 648 return true; 649 } 650 return false; 651 } 652 653 bool 654 Target::EnableBreakpointByID (break_id_t break_id) 655 { 656 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_BREAKPOINTS)); 657 if (log) 658 log->Printf ("Target::%s (break_id = %i, internal = %s)\n", 659 __FUNCTION__, 660 break_id, 661 LLDB_BREAK_ID_IS_INTERNAL (break_id) ? "yes" : "no"); 662 663 BreakpointSP bp_sp; 664 665 if (LLDB_BREAK_ID_IS_INTERNAL (break_id)) 666 bp_sp = m_internal_breakpoint_list.FindBreakpointByID (break_id); 667 else 668 bp_sp = m_breakpoint_list.FindBreakpointByID (break_id); 669 670 if (bp_sp) 671 { 672 bp_sp->SetEnabled (true); 673 return true; 674 } 675 return false; 676 } 677 678 // The flag 'end_to_end', default to true, signifies that the operation is 679 // performed end to end, for both the debugger and the debuggee. 680 681 // Assumption: Caller holds the list mutex lock for m_watchpoint_list for end 682 // to end operations. 683 bool 684 Target::RemoveAllWatchpoints (bool end_to_end) 685 { 686 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 687 if (log) 688 log->Printf ("Target::%s\n", __FUNCTION__); 689 690 if (!end_to_end) { 691 m_watchpoint_list.RemoveAll(); 692 return true; 693 } 694 695 // Otherwise, it's an end to end operation. 696 697 if (!ProcessIsValid()) 698 return false; 699 700 size_t num_watchpoints = m_watchpoint_list.GetSize(); 701 for (size_t i = 0; i < num_watchpoints; ++i) 702 { 703 WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i); 704 if (!wp_sp) 705 return false; 706 707 Error rc = m_process_sp->DisableWatchpoint(wp_sp.get()); 708 if (rc.Fail()) 709 return false; 710 } 711 m_watchpoint_list.RemoveAll (); 712 return true; // Success! 713 } 714 715 // Assumption: Caller holds the list mutex lock for m_watchpoint_list for end to 716 // end operations. 717 bool 718 Target::DisableAllWatchpoints (bool end_to_end) 719 { 720 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 721 if (log) 722 log->Printf ("Target::%s\n", __FUNCTION__); 723 724 if (!end_to_end) { 725 m_watchpoint_list.SetEnabledAll(false); 726 return true; 727 } 728 729 // Otherwise, it's an end to end operation. 730 731 if (!ProcessIsValid()) 732 return false; 733 734 size_t num_watchpoints = m_watchpoint_list.GetSize(); 735 for (size_t i = 0; i < num_watchpoints; ++i) 736 { 737 WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i); 738 if (!wp_sp) 739 return false; 740 741 Error rc = m_process_sp->DisableWatchpoint(wp_sp.get()); 742 if (rc.Fail()) 743 return false; 744 } 745 return true; // Success! 746 } 747 748 // Assumption: Caller holds the list mutex lock for m_watchpoint_list for end to 749 // end operations. 750 bool 751 Target::EnableAllWatchpoints (bool end_to_end) 752 { 753 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 754 if (log) 755 log->Printf ("Target::%s\n", __FUNCTION__); 756 757 if (!end_to_end) { 758 m_watchpoint_list.SetEnabledAll(true); 759 return true; 760 } 761 762 // Otherwise, it's an end to end operation. 763 764 if (!ProcessIsValid()) 765 return false; 766 767 size_t num_watchpoints = m_watchpoint_list.GetSize(); 768 for (size_t i = 0; i < num_watchpoints; ++i) 769 { 770 WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i); 771 if (!wp_sp) 772 return false; 773 774 Error rc = m_process_sp->EnableWatchpoint(wp_sp.get()); 775 if (rc.Fail()) 776 return false; 777 } 778 return true; // Success! 779 } 780 781 // Assumption: Caller holds the list mutex lock for m_watchpoint_list. 782 bool 783 Target::ClearAllWatchpointHitCounts () 784 { 785 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 786 if (log) 787 log->Printf ("Target::%s\n", __FUNCTION__); 788 789 size_t num_watchpoints = m_watchpoint_list.GetSize(); 790 for (size_t i = 0; i < num_watchpoints; ++i) 791 { 792 WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i); 793 if (!wp_sp) 794 return false; 795 796 wp_sp->ResetHitCount(); 797 } 798 return true; // Success! 799 } 800 801 // Assumption: Caller holds the list mutex lock for m_watchpoint_list 802 // during these operations. 803 bool 804 Target::IgnoreAllWatchpoints (uint32_t ignore_count) 805 { 806 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 807 if (log) 808 log->Printf ("Target::%s\n", __FUNCTION__); 809 810 if (!ProcessIsValid()) 811 return false; 812 813 size_t num_watchpoints = m_watchpoint_list.GetSize(); 814 for (size_t i = 0; i < num_watchpoints; ++i) 815 { 816 WatchpointSP wp_sp = m_watchpoint_list.GetByIndex(i); 817 if (!wp_sp) 818 return false; 819 820 wp_sp->SetIgnoreCount(ignore_count); 821 } 822 return true; // Success! 823 } 824 825 // Assumption: Caller holds the list mutex lock for m_watchpoint_list. 826 bool 827 Target::DisableWatchpointByID (lldb::watch_id_t watch_id) 828 { 829 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 830 if (log) 831 log->Printf ("Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id); 832 833 if (!ProcessIsValid()) 834 return false; 835 836 WatchpointSP wp_sp = m_watchpoint_list.FindByID (watch_id); 837 if (wp_sp) 838 { 839 Error rc = m_process_sp->DisableWatchpoint(wp_sp.get()); 840 if (rc.Success()) 841 return true; 842 843 // Else, fallthrough. 844 } 845 return false; 846 } 847 848 // Assumption: Caller holds the list mutex lock for m_watchpoint_list. 849 bool 850 Target::EnableWatchpointByID (lldb::watch_id_t watch_id) 851 { 852 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 853 if (log) 854 log->Printf ("Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id); 855 856 if (!ProcessIsValid()) 857 return false; 858 859 WatchpointSP wp_sp = m_watchpoint_list.FindByID (watch_id); 860 if (wp_sp) 861 { 862 Error rc = m_process_sp->EnableWatchpoint(wp_sp.get()); 863 if (rc.Success()) 864 return true; 865 866 // Else, fallthrough. 867 } 868 return false; 869 } 870 871 // Assumption: Caller holds the list mutex lock for m_watchpoint_list. 872 bool 873 Target::RemoveWatchpointByID (lldb::watch_id_t watch_id) 874 { 875 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 876 if (log) 877 log->Printf ("Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id); 878 879 if (DisableWatchpointByID (watch_id)) 880 { 881 m_watchpoint_list.Remove(watch_id); 882 return true; 883 } 884 return false; 885 } 886 887 // Assumption: Caller holds the list mutex lock for m_watchpoint_list. 888 bool 889 Target::IgnoreWatchpointByID (lldb::watch_id_t watch_id, uint32_t ignore_count) 890 { 891 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_WATCHPOINTS)); 892 if (log) 893 log->Printf ("Target::%s (watch_id = %i)\n", __FUNCTION__, watch_id); 894 895 if (!ProcessIsValid()) 896 return false; 897 898 WatchpointSP wp_sp = m_watchpoint_list.FindByID (watch_id); 899 if (wp_sp) 900 { 901 wp_sp->SetIgnoreCount(ignore_count); 902 return true; 903 } 904 return false; 905 } 906 907 ModuleSP 908 Target::GetExecutableModule () 909 { 910 return m_images.GetModuleAtIndex(0); 911 } 912 913 Module* 914 Target::GetExecutableModulePointer () 915 { 916 return m_images.GetModulePointerAtIndex(0); 917 } 918 919 void 920 Target::SetExecutableModule (ModuleSP& executable_sp, bool get_dependent_files) 921 { 922 m_images.Clear(); 923 m_scratch_ast_context_ap.reset(); 924 m_scratch_ast_source_ap.reset(); 925 m_ast_importer_ap.reset(); 926 927 if (executable_sp.get()) 928 { 929 Timer scoped_timer (__PRETTY_FUNCTION__, 930 "Target::SetExecutableModule (executable = '%s/%s')", 931 executable_sp->GetFileSpec().GetDirectory().AsCString(), 932 executable_sp->GetFileSpec().GetFilename().AsCString()); 933 934 m_images.Append(executable_sp); // The first image is our exectuable file 935 936 // If we haven't set an architecture yet, reset our architecture based on what we found in the executable module. 937 if (!m_arch.IsValid()) 938 m_arch = executable_sp->GetArchitecture(); 939 940 FileSpecList dependent_files; 941 ObjectFile *executable_objfile = executable_sp->GetObjectFile(); 942 943 if (executable_objfile && get_dependent_files) 944 { 945 executable_objfile->GetDependentModules(dependent_files); 946 for (uint32_t i=0; i<dependent_files.GetSize(); i++) 947 { 948 FileSpec dependent_file_spec (dependent_files.GetFileSpecPointerAtIndex(i)); 949 FileSpec platform_dependent_file_spec; 950 if (m_platform_sp) 951 m_platform_sp->GetFile (dependent_file_spec, NULL, platform_dependent_file_spec); 952 else 953 platform_dependent_file_spec = dependent_file_spec; 954 955 ModuleSpec module_spec (platform_dependent_file_spec, m_arch); 956 ModuleSP image_module_sp(GetSharedModule (module_spec)); 957 if (image_module_sp.get()) 958 { 959 ObjectFile *objfile = image_module_sp->GetObjectFile(); 960 if (objfile) 961 objfile->GetDependentModules(dependent_files); 962 } 963 } 964 } 965 } 966 967 UpdateInstanceName(); 968 } 969 970 971 bool 972 Target::SetArchitecture (const ArchSpec &arch_spec) 973 { 974 if (m_arch == arch_spec || !m_arch.IsValid()) 975 { 976 // If we haven't got a valid arch spec, or the architectures are 977 // compatible, so just update the architecture. Architectures can be 978 // equal, yet the triple OS and vendor might change, so we need to do 979 // the assignment here just in case. 980 m_arch = arch_spec; 981 return true; 982 } 983 else 984 { 985 // If we have an executable file, try to reset the executable to the desired architecture 986 m_arch = arch_spec; 987 ModuleSP executable_sp = GetExecutableModule (); 988 m_images.Clear(); 989 m_scratch_ast_context_ap.reset(); 990 m_scratch_ast_source_ap.reset(); 991 m_ast_importer_ap.reset(); 992 // Need to do something about unsetting breakpoints. 993 994 if (executable_sp) 995 { 996 ModuleSpec module_spec (executable_sp->GetFileSpec(), arch_spec); 997 Error error = ModuleList::GetSharedModule (module_spec, 998 executable_sp, 999 &GetExecutableSearchPaths(), 1000 NULL, 1001 NULL); 1002 1003 if (!error.Fail() && executable_sp) 1004 { 1005 SetExecutableModule (executable_sp, true); 1006 return true; 1007 } 1008 } 1009 } 1010 return false; 1011 } 1012 1013 void 1014 Target::ModuleAdded (ModuleSP &module_sp) 1015 { 1016 // A module is being added to this target for the first time 1017 ModuleList module_list; 1018 module_list.Append(module_sp); 1019 ModulesDidLoad (module_list); 1020 } 1021 1022 void 1023 Target::ModuleUpdated (ModuleSP &old_module_sp, ModuleSP &new_module_sp) 1024 { 1025 // A module is replacing an already added module 1026 m_breakpoint_list.UpdateBreakpointsWhenModuleIsReplaced(old_module_sp, new_module_sp); 1027 } 1028 1029 void 1030 Target::ModulesDidLoad (ModuleList &module_list) 1031 { 1032 m_breakpoint_list.UpdateBreakpoints (module_list, true); 1033 // TODO: make event data that packages up the module_list 1034 BroadcastEvent (eBroadcastBitModulesLoaded, NULL); 1035 } 1036 1037 void 1038 Target::ModulesDidUnload (ModuleList &module_list) 1039 { 1040 m_breakpoint_list.UpdateBreakpoints (module_list, false); 1041 1042 // Remove the images from the target image list 1043 m_images.Remove(module_list); 1044 1045 // TODO: make event data that packages up the module_list 1046 BroadcastEvent (eBroadcastBitModulesUnloaded, NULL); 1047 } 1048 1049 1050 bool 1051 Target::ModuleIsExcludedForNonModuleSpecificSearches (const FileSpec &module_file_spec) 1052 { 1053 1054 if (!m_breakpoints_use_platform_avoid) 1055 return false; 1056 else 1057 { 1058 ModuleList matchingModules; 1059 ModuleSpec module_spec (module_file_spec); 1060 size_t num_modules = GetImages().FindModules(module_spec, matchingModules); 1061 1062 // If there is more than one module for this file spec, only return true if ALL the modules are on the 1063 // black list. 1064 if (num_modules > 0) 1065 { 1066 for (int i = 0; i < num_modules; i++) 1067 { 1068 if (!ModuleIsExcludedForNonModuleSpecificSearches (matchingModules.GetModuleAtIndex(i))) 1069 return false; 1070 } 1071 return true; 1072 } 1073 else 1074 return false; 1075 } 1076 } 1077 1078 bool 1079 Target::ModuleIsExcludedForNonModuleSpecificSearches (const lldb::ModuleSP &module_sp) 1080 { 1081 if (!m_breakpoints_use_platform_avoid) 1082 return false; 1083 else if (GetPlatform()) 1084 { 1085 return GetPlatform()->ModuleIsExcludedForNonModuleSpecificSearches (*this, module_sp); 1086 } 1087 else 1088 return false; 1089 } 1090 1091 size_t 1092 Target::ReadMemoryFromFileCache (const Address& addr, void *dst, size_t dst_len, Error &error) 1093 { 1094 SectionSP section_sp (addr.GetSection()); 1095 if (section_sp) 1096 { 1097 // If the contents of this section are encrypted, the on-disk file is unusuable. Read only from live memory. 1098 if (section_sp->IsEncrypted()) 1099 { 1100 error.SetErrorString("section is encrypted"); 1101 return 0; 1102 } 1103 ModuleSP module_sp (section_sp->GetModule()); 1104 if (module_sp) 1105 { 1106 ObjectFile *objfile = section_sp->GetModule()->GetObjectFile(); 1107 if (objfile) 1108 { 1109 size_t bytes_read = objfile->ReadSectionData (section_sp.get(), 1110 addr.GetOffset(), 1111 dst, 1112 dst_len); 1113 if (bytes_read > 0) 1114 return bytes_read; 1115 else 1116 error.SetErrorStringWithFormat("error reading data from section %s", section_sp->GetName().GetCString()); 1117 } 1118 else 1119 error.SetErrorString("address isn't from a object file"); 1120 } 1121 else 1122 error.SetErrorString("address isn't in a module"); 1123 } 1124 else 1125 error.SetErrorString("address doesn't contain a section that points to a section in a object file"); 1126 1127 return 0; 1128 } 1129 1130 size_t 1131 Target::ReadMemory (const Address& addr, 1132 bool prefer_file_cache, 1133 void *dst, 1134 size_t dst_len, 1135 Error &error, 1136 lldb::addr_t *load_addr_ptr) 1137 { 1138 error.Clear(); 1139 1140 // if we end up reading this from process memory, we will fill this 1141 // with the actual load address 1142 if (load_addr_ptr) 1143 *load_addr_ptr = LLDB_INVALID_ADDRESS; 1144 1145 size_t bytes_read = 0; 1146 1147 addr_t load_addr = LLDB_INVALID_ADDRESS; 1148 addr_t file_addr = LLDB_INVALID_ADDRESS; 1149 Address resolved_addr; 1150 if (!addr.IsSectionOffset()) 1151 { 1152 if (m_section_load_list.IsEmpty()) 1153 { 1154 // No sections are loaded, so we must assume we are not running 1155 // yet and anything we are given is a file address. 1156 file_addr = addr.GetOffset(); // "addr" doesn't have a section, so its offset is the file address 1157 m_images.ResolveFileAddress (file_addr, resolved_addr); 1158 } 1159 else 1160 { 1161 // We have at least one section loaded. This can be becuase 1162 // we have manually loaded some sections with "target modules load ..." 1163 // or because we have have a live process that has sections loaded 1164 // through the dynamic loader 1165 load_addr = addr.GetOffset(); // "addr" doesn't have a section, so its offset is the load address 1166 m_section_load_list.ResolveLoadAddress (load_addr, resolved_addr); 1167 } 1168 } 1169 if (!resolved_addr.IsValid()) 1170 resolved_addr = addr; 1171 1172 1173 if (prefer_file_cache) 1174 { 1175 bytes_read = ReadMemoryFromFileCache (resolved_addr, dst, dst_len, error); 1176 if (bytes_read > 0) 1177 return bytes_read; 1178 } 1179 1180 if (ProcessIsValid()) 1181 { 1182 if (load_addr == LLDB_INVALID_ADDRESS) 1183 load_addr = resolved_addr.GetLoadAddress (this); 1184 1185 if (load_addr == LLDB_INVALID_ADDRESS) 1186 { 1187 ModuleSP addr_module_sp (resolved_addr.GetModule()); 1188 if (addr_module_sp && addr_module_sp->GetFileSpec()) 1189 error.SetErrorStringWithFormat("%s[0x%llx] can't be resolved, %s in not currently loaded", 1190 addr_module_sp->GetFileSpec().GetFilename().AsCString(), 1191 resolved_addr.GetFileAddress(), 1192 addr_module_sp->GetFileSpec().GetFilename().AsCString()); 1193 else 1194 error.SetErrorStringWithFormat("0x%llx can't be resolved", resolved_addr.GetFileAddress()); 1195 } 1196 else 1197 { 1198 bytes_read = m_process_sp->ReadMemory(load_addr, dst, dst_len, error); 1199 if (bytes_read != dst_len) 1200 { 1201 if (error.Success()) 1202 { 1203 if (bytes_read == 0) 1204 error.SetErrorStringWithFormat("read memory from 0x%llx failed", load_addr); 1205 else 1206 error.SetErrorStringWithFormat("only %zu of %zu bytes were read from memory at 0x%llx", bytes_read, dst_len, load_addr); 1207 } 1208 } 1209 if (bytes_read) 1210 { 1211 if (load_addr_ptr) 1212 *load_addr_ptr = load_addr; 1213 return bytes_read; 1214 } 1215 // If the address is not section offset we have an address that 1216 // doesn't resolve to any address in any currently loaded shared 1217 // libaries and we failed to read memory so there isn't anything 1218 // more we can do. If it is section offset, we might be able to 1219 // read cached memory from the object file. 1220 if (!resolved_addr.IsSectionOffset()) 1221 return 0; 1222 } 1223 } 1224 1225 if (!prefer_file_cache && resolved_addr.IsSectionOffset()) 1226 { 1227 // If we didn't already try and read from the object file cache, then 1228 // try it after failing to read from the process. 1229 return ReadMemoryFromFileCache (resolved_addr, dst, dst_len, error); 1230 } 1231 return 0; 1232 } 1233 1234 size_t 1235 Target::ReadScalarIntegerFromMemory (const Address& addr, 1236 bool prefer_file_cache, 1237 uint32_t byte_size, 1238 bool is_signed, 1239 Scalar &scalar, 1240 Error &error) 1241 { 1242 uint64_t uval; 1243 1244 if (byte_size <= sizeof(uval)) 1245 { 1246 size_t bytes_read = ReadMemory (addr, prefer_file_cache, &uval, byte_size, error); 1247 if (bytes_read == byte_size) 1248 { 1249 DataExtractor data (&uval, sizeof(uval), m_arch.GetByteOrder(), m_arch.GetAddressByteSize()); 1250 uint32_t offset = 0; 1251 if (byte_size <= 4) 1252 scalar = data.GetMaxU32 (&offset, byte_size); 1253 else 1254 scalar = data.GetMaxU64 (&offset, byte_size); 1255 1256 if (is_signed) 1257 scalar.SignExtend(byte_size * 8); 1258 return bytes_read; 1259 } 1260 } 1261 else 1262 { 1263 error.SetErrorStringWithFormat ("byte size of %u is too large for integer scalar type", byte_size); 1264 } 1265 return 0; 1266 } 1267 1268 uint64_t 1269 Target::ReadUnsignedIntegerFromMemory (const Address& addr, 1270 bool prefer_file_cache, 1271 size_t integer_byte_size, 1272 uint64_t fail_value, 1273 Error &error) 1274 { 1275 Scalar scalar; 1276 if (ReadScalarIntegerFromMemory (addr, 1277 prefer_file_cache, 1278 integer_byte_size, 1279 false, 1280 scalar, 1281 error)) 1282 return scalar.ULongLong(fail_value); 1283 return fail_value; 1284 } 1285 1286 bool 1287 Target::ReadPointerFromMemory (const Address& addr, 1288 bool prefer_file_cache, 1289 Error &error, 1290 Address &pointer_addr) 1291 { 1292 Scalar scalar; 1293 if (ReadScalarIntegerFromMemory (addr, 1294 prefer_file_cache, 1295 m_arch.GetAddressByteSize(), 1296 false, 1297 scalar, 1298 error)) 1299 { 1300 addr_t pointer_vm_addr = scalar.ULongLong(LLDB_INVALID_ADDRESS); 1301 if (pointer_vm_addr != LLDB_INVALID_ADDRESS) 1302 { 1303 if (m_section_load_list.IsEmpty()) 1304 { 1305 // No sections are loaded, so we must assume we are not running 1306 // yet and anything we are given is a file address. 1307 m_images.ResolveFileAddress (pointer_vm_addr, pointer_addr); 1308 } 1309 else 1310 { 1311 // We have at least one section loaded. This can be becuase 1312 // we have manually loaded some sections with "target modules load ..." 1313 // or because we have have a live process that has sections loaded 1314 // through the dynamic loader 1315 m_section_load_list.ResolveLoadAddress (pointer_vm_addr, pointer_addr); 1316 } 1317 // We weren't able to resolve the pointer value, so just return 1318 // an address with no section 1319 if (!pointer_addr.IsValid()) 1320 pointer_addr.SetOffset (pointer_vm_addr); 1321 return true; 1322 1323 } 1324 } 1325 return false; 1326 } 1327 1328 ModuleSP 1329 Target::GetSharedModule (const ModuleSpec &module_spec, Error *error_ptr) 1330 { 1331 ModuleSP module_sp; 1332 1333 Error error; 1334 1335 // First see if we already have this module in our module list. If we do, then we're done, we don't need 1336 // to consult the shared modules list. But only do this if we are passed a UUID. 1337 1338 if (module_spec.GetUUID().IsValid()) 1339 module_sp = m_images.FindFirstModule(module_spec); 1340 1341 if (!module_sp) 1342 { 1343 ModuleSP old_module_sp; // This will get filled in if we have a new version of the library 1344 bool did_create_module = false; 1345 1346 // If there are image search path entries, try to use them first to acquire a suitable image. 1347 if (m_image_search_paths.GetSize()) 1348 { 1349 ModuleSpec transformed_spec (module_spec); 1350 if (m_image_search_paths.RemapPath (module_spec.GetFileSpec().GetDirectory(), transformed_spec.GetFileSpec().GetDirectory())) 1351 { 1352 transformed_spec.GetFileSpec().GetFilename() = module_spec.GetFileSpec().GetFilename(); 1353 error = ModuleList::GetSharedModule (transformed_spec, 1354 module_sp, 1355 &GetExecutableSearchPaths(), 1356 &old_module_sp, 1357 &did_create_module); 1358 } 1359 } 1360 1361 if (!module_sp) 1362 { 1363 // If we have a UUID, we can check our global shared module list in case 1364 // we already have it. If we don't have a valid UUID, then we can't since 1365 // the path in "module_spec" will be a platform path, and we will need to 1366 // let the platform find that file. For example, we could be asking for 1367 // "/usr/lib/dyld" and if we do not have a UUID, we don't want to pick 1368 // the local copy of "/usr/lib/dyld" since our platform could be a remote 1369 // platform that has its own "/usr/lib/dyld" in an SDK or in a local file 1370 // cache. 1371 if (module_spec.GetUUID().IsValid()) 1372 { 1373 // We have a UUID, it is OK to check the global module list... 1374 error = ModuleList::GetSharedModule (module_spec, 1375 module_sp, 1376 &GetExecutableSearchPaths(), 1377 &old_module_sp, 1378 &did_create_module); 1379 } 1380 1381 if (!module_sp) 1382 { 1383 // The platform is responsible for finding and caching an appropriate 1384 // module in the shared module cache. 1385 if (m_platform_sp) 1386 { 1387 FileSpec platform_file_spec; 1388 error = m_platform_sp->GetSharedModule (module_spec, 1389 module_sp, 1390 &GetExecutableSearchPaths(), 1391 &old_module_sp, 1392 &did_create_module); 1393 } 1394 else 1395 { 1396 error.SetErrorString("no platform is currently set"); 1397 } 1398 } 1399 } 1400 1401 // We found a module that wasn't in our target list. Let's make sure that there wasn't an equivalent 1402 // module in the list already, and if there was, let's remove it. 1403 if (module_sp) 1404 { 1405 // GetSharedModule is not guaranteed to find the old shared module, for instance 1406 // in the common case where you pass in the UUID, it is only going to find the one 1407 // module matching the UUID. In fact, it has no good way to know what the "old module" 1408 // relevant to this target is, since there might be many copies of a module with this file spec 1409 // in various running debug sessions, but only one of them will belong to this target. 1410 // So let's remove the UUID from the module list, and look in the target's module list. 1411 // Only do this if there is SOMETHING else in the module spec... 1412 if (!old_module_sp) 1413 { 1414 if (module_spec.GetUUID().IsValid() && !module_spec.GetFileSpec().GetFilename().IsEmpty() && !module_spec.GetFileSpec().GetDirectory().IsEmpty()) 1415 { 1416 ModuleSpec module_spec_copy(module_spec.GetFileSpec()); 1417 module_spec_copy.GetUUID().Clear(); 1418 1419 ModuleList found_modules; 1420 size_t num_found = m_images.FindModules (module_spec_copy, found_modules); 1421 if (num_found == 1) 1422 { 1423 old_module_sp = found_modules.GetModuleAtIndex(0); 1424 } 1425 } 1426 } 1427 1428 m_images.Append (module_sp); 1429 if (old_module_sp && m_images.GetIndexForModule (old_module_sp.get()) != LLDB_INVALID_INDEX32) 1430 { 1431 ModuleUpdated(old_module_sp, module_sp); 1432 m_images.Remove (old_module_sp); 1433 Module *old_module_ptr = old_module_sp.get(); 1434 old_module_sp.reset(); 1435 ModuleList::RemoveSharedModuleIfOrphaned (old_module_ptr); 1436 } 1437 else 1438 ModuleAdded(module_sp); 1439 } 1440 } 1441 if (error_ptr) 1442 *error_ptr = error; 1443 return module_sp; 1444 } 1445 1446 1447 TargetSP 1448 Target::CalculateTarget () 1449 { 1450 return shared_from_this(); 1451 } 1452 1453 ProcessSP 1454 Target::CalculateProcess () 1455 { 1456 return ProcessSP(); 1457 } 1458 1459 ThreadSP 1460 Target::CalculateThread () 1461 { 1462 return ThreadSP(); 1463 } 1464 1465 StackFrameSP 1466 Target::CalculateStackFrame () 1467 { 1468 return StackFrameSP(); 1469 } 1470 1471 void 1472 Target::CalculateExecutionContext (ExecutionContext &exe_ctx) 1473 { 1474 exe_ctx.Clear(); 1475 exe_ctx.SetTargetPtr(this); 1476 } 1477 1478 PathMappingList & 1479 Target::GetImageSearchPathList () 1480 { 1481 return m_image_search_paths; 1482 } 1483 1484 void 1485 Target::ImageSearchPathsChanged 1486 ( 1487 const PathMappingList &path_list, 1488 void *baton 1489 ) 1490 { 1491 Target *target = (Target *)baton; 1492 ModuleSP exe_module_sp (target->GetExecutableModule()); 1493 if (exe_module_sp) 1494 { 1495 target->m_images.Clear(); 1496 target->SetExecutableModule (exe_module_sp, true); 1497 } 1498 } 1499 1500 ClangASTContext * 1501 Target::GetScratchClangASTContext(bool create_on_demand) 1502 { 1503 // Now see if we know the target triple, and if so, create our scratch AST context: 1504 if (m_scratch_ast_context_ap.get() == NULL && m_arch.IsValid() && create_on_demand) 1505 { 1506 m_scratch_ast_context_ap.reset (new ClangASTContext(m_arch.GetTriple().str().c_str())); 1507 m_scratch_ast_source_ap.reset (new ClangASTSource(shared_from_this())); 1508 m_scratch_ast_source_ap->InstallASTContext(m_scratch_ast_context_ap->getASTContext()); 1509 llvm::OwningPtr<clang::ExternalASTSource> proxy_ast_source(m_scratch_ast_source_ap->CreateProxy()); 1510 m_scratch_ast_context_ap->SetExternalSource(proxy_ast_source); 1511 } 1512 return m_scratch_ast_context_ap.get(); 1513 } 1514 1515 ClangASTImporter * 1516 Target::GetClangASTImporter() 1517 { 1518 ClangASTImporter *ast_importer = m_ast_importer_ap.get(); 1519 1520 if (!ast_importer) 1521 { 1522 ast_importer = new ClangASTImporter(); 1523 m_ast_importer_ap.reset(ast_importer); 1524 } 1525 1526 return ast_importer; 1527 } 1528 1529 void 1530 Target::SettingsInitialize () 1531 { 1532 UserSettingsController::InitializeSettingsController (GetSettingsController(), 1533 SettingsController::global_settings_table, 1534 SettingsController::instance_settings_table); 1535 1536 // Now call SettingsInitialize() on each 'child' setting of Target 1537 Process::SettingsInitialize (); 1538 } 1539 1540 void 1541 Target::SettingsTerminate () 1542 { 1543 1544 // Must call SettingsTerminate() on each settings 'child' of Target, before terminating Target's Settings. 1545 1546 Process::SettingsTerminate (); 1547 1548 // Now terminate Target Settings. 1549 1550 UserSettingsControllerSP &usc = GetSettingsController(); 1551 UserSettingsController::FinalizeSettingsController (usc); 1552 usc.reset(); 1553 } 1554 1555 UserSettingsControllerSP & 1556 Target::GetSettingsController () 1557 { 1558 static UserSettingsControllerSP g_settings_controller_sp; 1559 if (!g_settings_controller_sp) 1560 { 1561 g_settings_controller_sp.reset (new Target::SettingsController); 1562 // The first shared pointer to Target::SettingsController in 1563 // g_settings_controller_sp must be fully created above so that 1564 // the TargetInstanceSettings can use a weak_ptr to refer back 1565 // to the master setttings controller 1566 InstanceSettingsSP default_instance_settings_sp (new TargetInstanceSettings (g_settings_controller_sp, 1567 false, 1568 InstanceSettings::GetDefaultName().AsCString())); 1569 g_settings_controller_sp->SetDefaultInstanceSettings (default_instance_settings_sp); 1570 } 1571 return g_settings_controller_sp; 1572 } 1573 1574 FileSpecList 1575 Target::GetDefaultExecutableSearchPaths () 1576 { 1577 lldb::UserSettingsControllerSP settings_controller_sp (GetSettingsController()); 1578 if (settings_controller_sp) 1579 { 1580 lldb::InstanceSettingsSP instance_settings_sp (settings_controller_sp->GetDefaultInstanceSettings ()); 1581 if (instance_settings_sp) 1582 return static_cast<TargetInstanceSettings *>(instance_settings_sp.get())->GetExecutableSearchPaths (); 1583 } 1584 return FileSpecList(); 1585 } 1586 1587 1588 ArchSpec 1589 Target::GetDefaultArchitecture () 1590 { 1591 lldb::UserSettingsControllerSP settings_controller_sp (GetSettingsController()); 1592 if (settings_controller_sp) 1593 return static_cast<Target::SettingsController *>(settings_controller_sp.get())->GetArchitecture (); 1594 return ArchSpec(); 1595 } 1596 1597 void 1598 Target::SetDefaultArchitecture (const ArchSpec& arch) 1599 { 1600 lldb::UserSettingsControllerSP settings_controller_sp (GetSettingsController()); 1601 1602 if (settings_controller_sp) 1603 static_cast<Target::SettingsController *>(settings_controller_sp.get())->GetArchitecture () = arch; 1604 } 1605 1606 Target * 1607 Target::GetTargetFromContexts (const ExecutionContext *exe_ctx_ptr, const SymbolContext *sc_ptr) 1608 { 1609 // The target can either exist in the "process" of ExecutionContext, or in 1610 // the "target_sp" member of SymbolContext. This accessor helper function 1611 // will get the target from one of these locations. 1612 1613 Target *target = NULL; 1614 if (sc_ptr != NULL) 1615 target = sc_ptr->target_sp.get(); 1616 if (target == NULL && exe_ctx_ptr) 1617 target = exe_ctx_ptr->GetTargetPtr(); 1618 return target; 1619 } 1620 1621 1622 void 1623 Target::UpdateInstanceName () 1624 { 1625 StreamString sstr; 1626 1627 Module *exe_module = GetExecutableModulePointer(); 1628 if (exe_module) 1629 { 1630 sstr.Printf ("%s_%s", 1631 exe_module->GetFileSpec().GetFilename().AsCString(), 1632 exe_module->GetArchitecture().GetArchitectureName()); 1633 GetSettingsController()->RenameInstanceSettings (GetInstanceName().AsCString(), sstr.GetData()); 1634 } 1635 } 1636 1637 const char * 1638 Target::GetExpressionPrefixContentsAsCString () 1639 { 1640 if (!m_expr_prefix_contents.empty()) 1641 return m_expr_prefix_contents.c_str(); 1642 return NULL; 1643 } 1644 1645 ExecutionResults 1646 Target::EvaluateExpression 1647 ( 1648 const char *expr_cstr, 1649 StackFrame *frame, 1650 lldb_private::ExecutionPolicy execution_policy, 1651 bool coerce_to_id, 1652 bool unwind_on_error, 1653 bool keep_in_memory, 1654 lldb::DynamicValueType use_dynamic, 1655 lldb::ValueObjectSP &result_valobj_sp 1656 ) 1657 { 1658 ExecutionResults execution_results = eExecutionSetupError; 1659 1660 result_valobj_sp.reset(); 1661 1662 if (expr_cstr == NULL || expr_cstr[0] == '\0') 1663 return execution_results; 1664 1665 // We shouldn't run stop hooks in expressions. 1666 // Be sure to reset this if you return anywhere within this function. 1667 bool old_suppress_value = m_suppress_stop_hooks; 1668 m_suppress_stop_hooks = true; 1669 1670 ExecutionContext exe_ctx; 1671 1672 const size_t expr_cstr_len = ::strlen (expr_cstr); 1673 1674 if (frame) 1675 { 1676 frame->CalculateExecutionContext(exe_ctx); 1677 Error error; 1678 const uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember | 1679 StackFrame::eExpressionPathOptionsNoFragileObjcIvar | 1680 StackFrame::eExpressionPathOptionsNoSyntheticChildren; 1681 lldb::VariableSP var_sp; 1682 1683 // Make sure we don't have any things that we know a variable expression 1684 // won't be able to deal with before calling into it 1685 if (::strcspn (expr_cstr, "()+*&|!~<=/^%,?") == expr_cstr_len) 1686 { 1687 result_valobj_sp = frame->GetValueForVariableExpressionPath (expr_cstr, 1688 use_dynamic, 1689 expr_path_options, 1690 var_sp, 1691 error); 1692 // if this expression results in a bitfield, we give up and let the IR handle it 1693 if (result_valobj_sp && result_valobj_sp->IsBitfield()) 1694 result_valobj_sp.reset(); 1695 } 1696 } 1697 else if (m_process_sp) 1698 { 1699 m_process_sp->CalculateExecutionContext(exe_ctx); 1700 } 1701 else 1702 { 1703 CalculateExecutionContext(exe_ctx); 1704 } 1705 1706 if (result_valobj_sp) 1707 { 1708 execution_results = eExecutionCompleted; 1709 // We got a result from the frame variable expression path above... 1710 ConstString persistent_variable_name (m_persistent_variables.GetNextPersistentVariableName()); 1711 1712 lldb::ValueObjectSP const_valobj_sp; 1713 1714 // Check in case our value is already a constant value 1715 if (result_valobj_sp->GetIsConstant()) 1716 { 1717 const_valobj_sp = result_valobj_sp; 1718 const_valobj_sp->SetName (persistent_variable_name); 1719 } 1720 else 1721 { 1722 if (use_dynamic != lldb::eNoDynamicValues) 1723 { 1724 ValueObjectSP dynamic_sp = result_valobj_sp->GetDynamicValue(use_dynamic); 1725 if (dynamic_sp) 1726 result_valobj_sp = dynamic_sp; 1727 } 1728 1729 const_valobj_sp = result_valobj_sp->CreateConstantValue (persistent_variable_name); 1730 } 1731 1732 lldb::ValueObjectSP live_valobj_sp = result_valobj_sp; 1733 1734 result_valobj_sp = const_valobj_sp; 1735 1736 ClangExpressionVariableSP clang_expr_variable_sp(m_persistent_variables.CreatePersistentVariable(result_valobj_sp)); 1737 assert (clang_expr_variable_sp.get()); 1738 1739 // Set flags and live data as appropriate 1740 1741 const Value &result_value = live_valobj_sp->GetValue(); 1742 1743 switch (result_value.GetValueType()) 1744 { 1745 case Value::eValueTypeHostAddress: 1746 case Value::eValueTypeFileAddress: 1747 // we don't do anything with these for now 1748 break; 1749 case Value::eValueTypeScalar: 1750 clang_expr_variable_sp->m_flags |= ClangExpressionVariable::EVIsLLDBAllocated; 1751 clang_expr_variable_sp->m_flags |= ClangExpressionVariable::EVNeedsAllocation; 1752 break; 1753 case Value::eValueTypeLoadAddress: 1754 clang_expr_variable_sp->m_live_sp = live_valobj_sp; 1755 clang_expr_variable_sp->m_flags |= ClangExpressionVariable::EVIsProgramReference; 1756 break; 1757 } 1758 } 1759 else 1760 { 1761 // Make sure we aren't just trying to see the value of a persistent 1762 // variable (something like "$0") 1763 lldb::ClangExpressionVariableSP persistent_var_sp; 1764 // Only check for persistent variables the expression starts with a '$' 1765 if (expr_cstr[0] == '$') 1766 persistent_var_sp = m_persistent_variables.GetVariable (expr_cstr); 1767 1768 if (persistent_var_sp) 1769 { 1770 result_valobj_sp = persistent_var_sp->GetValueObject (); 1771 execution_results = eExecutionCompleted; 1772 } 1773 else 1774 { 1775 const char *prefix = GetExpressionPrefixContentsAsCString(); 1776 1777 execution_results = ClangUserExpression::Evaluate (exe_ctx, 1778 execution_policy, 1779 lldb::eLanguageTypeUnknown, 1780 coerce_to_id ? ClangUserExpression::eResultTypeId : ClangUserExpression::eResultTypeAny, 1781 unwind_on_error, 1782 expr_cstr, 1783 prefix, 1784 result_valobj_sp); 1785 } 1786 } 1787 1788 m_suppress_stop_hooks = old_suppress_value; 1789 1790 return execution_results; 1791 } 1792 1793 lldb::addr_t 1794 Target::GetCallableLoadAddress (lldb::addr_t load_addr, AddressClass addr_class) const 1795 { 1796 addr_t code_addr = load_addr; 1797 switch (m_arch.GetMachine()) 1798 { 1799 case llvm::Triple::arm: 1800 case llvm::Triple::thumb: 1801 switch (addr_class) 1802 { 1803 case eAddressClassData: 1804 case eAddressClassDebug: 1805 return LLDB_INVALID_ADDRESS; 1806 1807 case eAddressClassUnknown: 1808 case eAddressClassInvalid: 1809 case eAddressClassCode: 1810 case eAddressClassCodeAlternateISA: 1811 case eAddressClassRuntime: 1812 // Check if bit zero it no set? 1813 if ((code_addr & 1ull) == 0) 1814 { 1815 // Bit zero isn't set, check if the address is a multiple of 2? 1816 if (code_addr & 2ull) 1817 { 1818 // The address is a multiple of 2 so it must be thumb, set bit zero 1819 code_addr |= 1ull; 1820 } 1821 else if (addr_class == eAddressClassCodeAlternateISA) 1822 { 1823 // We checked the address and the address claims to be the alternate ISA 1824 // which means thumb, so set bit zero. 1825 code_addr |= 1ull; 1826 } 1827 } 1828 break; 1829 } 1830 break; 1831 1832 default: 1833 break; 1834 } 1835 return code_addr; 1836 } 1837 1838 lldb::addr_t 1839 Target::GetOpcodeLoadAddress (lldb::addr_t load_addr, AddressClass addr_class) const 1840 { 1841 addr_t opcode_addr = load_addr; 1842 switch (m_arch.GetMachine()) 1843 { 1844 case llvm::Triple::arm: 1845 case llvm::Triple::thumb: 1846 switch (addr_class) 1847 { 1848 case eAddressClassData: 1849 case eAddressClassDebug: 1850 return LLDB_INVALID_ADDRESS; 1851 1852 case eAddressClassInvalid: 1853 case eAddressClassUnknown: 1854 case eAddressClassCode: 1855 case eAddressClassCodeAlternateISA: 1856 case eAddressClassRuntime: 1857 opcode_addr &= ~(1ull); 1858 break; 1859 } 1860 break; 1861 1862 default: 1863 break; 1864 } 1865 return opcode_addr; 1866 } 1867 1868 lldb::user_id_t 1869 Target::AddStopHook (Target::StopHookSP &new_hook_sp) 1870 { 1871 lldb::user_id_t new_uid = ++m_stop_hook_next_id; 1872 new_hook_sp.reset (new StopHook(shared_from_this(), new_uid)); 1873 m_stop_hooks[new_uid] = new_hook_sp; 1874 return new_uid; 1875 } 1876 1877 bool 1878 Target::RemoveStopHookByID (lldb::user_id_t user_id) 1879 { 1880 size_t num_removed; 1881 num_removed = m_stop_hooks.erase (user_id); 1882 if (num_removed == 0) 1883 return false; 1884 else 1885 return true; 1886 } 1887 1888 void 1889 Target::RemoveAllStopHooks () 1890 { 1891 m_stop_hooks.clear(); 1892 } 1893 1894 Target::StopHookSP 1895 Target::GetStopHookByID (lldb::user_id_t user_id) 1896 { 1897 StopHookSP found_hook; 1898 1899 StopHookCollection::iterator specified_hook_iter; 1900 specified_hook_iter = m_stop_hooks.find (user_id); 1901 if (specified_hook_iter != m_stop_hooks.end()) 1902 found_hook = (*specified_hook_iter).second; 1903 return found_hook; 1904 } 1905 1906 bool 1907 Target::SetStopHookActiveStateByID (lldb::user_id_t user_id, bool active_state) 1908 { 1909 StopHookCollection::iterator specified_hook_iter; 1910 specified_hook_iter = m_stop_hooks.find (user_id); 1911 if (specified_hook_iter == m_stop_hooks.end()) 1912 return false; 1913 1914 (*specified_hook_iter).second->SetIsActive (active_state); 1915 return true; 1916 } 1917 1918 void 1919 Target::SetAllStopHooksActiveState (bool active_state) 1920 { 1921 StopHookCollection::iterator pos, end = m_stop_hooks.end(); 1922 for (pos = m_stop_hooks.begin(); pos != end; pos++) 1923 { 1924 (*pos).second->SetIsActive (active_state); 1925 } 1926 } 1927 1928 void 1929 Target::RunStopHooks () 1930 { 1931 if (m_suppress_stop_hooks) 1932 return; 1933 1934 if (!m_process_sp) 1935 return; 1936 1937 if (m_stop_hooks.empty()) 1938 return; 1939 1940 StopHookCollection::iterator pos, end = m_stop_hooks.end(); 1941 1942 // If there aren't any active stop hooks, don't bother either: 1943 bool any_active_hooks = false; 1944 for (pos = m_stop_hooks.begin(); pos != end; pos++) 1945 { 1946 if ((*pos).second->IsActive()) 1947 { 1948 any_active_hooks = true; 1949 break; 1950 } 1951 } 1952 if (!any_active_hooks) 1953 return; 1954 1955 CommandReturnObject result; 1956 1957 std::vector<ExecutionContext> exc_ctx_with_reasons; 1958 std::vector<SymbolContext> sym_ctx_with_reasons; 1959 1960 ThreadList &cur_threadlist = m_process_sp->GetThreadList(); 1961 size_t num_threads = cur_threadlist.GetSize(); 1962 for (size_t i = 0; i < num_threads; i++) 1963 { 1964 lldb::ThreadSP cur_thread_sp = cur_threadlist.GetThreadAtIndex (i); 1965 if (cur_thread_sp->ThreadStoppedForAReason()) 1966 { 1967 lldb::StackFrameSP cur_frame_sp = cur_thread_sp->GetStackFrameAtIndex(0); 1968 exc_ctx_with_reasons.push_back(ExecutionContext(m_process_sp.get(), cur_thread_sp.get(), cur_frame_sp.get())); 1969 sym_ctx_with_reasons.push_back(cur_frame_sp->GetSymbolContext(eSymbolContextEverything)); 1970 } 1971 } 1972 1973 // If no threads stopped for a reason, don't run the stop-hooks. 1974 size_t num_exe_ctx = exc_ctx_with_reasons.size(); 1975 if (num_exe_ctx == 0) 1976 return; 1977 1978 result.SetImmediateOutputStream (m_debugger.GetAsyncOutputStream()); 1979 result.SetImmediateErrorStream (m_debugger.GetAsyncErrorStream()); 1980 1981 bool keep_going = true; 1982 bool hooks_ran = false; 1983 bool print_hook_header; 1984 bool print_thread_header; 1985 1986 if (num_exe_ctx == 1) 1987 print_thread_header = false; 1988 else 1989 print_thread_header = true; 1990 1991 if (m_stop_hooks.size() == 1) 1992 print_hook_header = false; 1993 else 1994 print_hook_header = true; 1995 1996 for (pos = m_stop_hooks.begin(); keep_going && pos != end; pos++) 1997 { 1998 // result.Clear(); 1999 StopHookSP cur_hook_sp = (*pos).second; 2000 if (!cur_hook_sp->IsActive()) 2001 continue; 2002 2003 bool any_thread_matched = false; 2004 for (size_t i = 0; keep_going && i < num_exe_ctx; i++) 2005 { 2006 if ((cur_hook_sp->GetSpecifier () == NULL 2007 || cur_hook_sp->GetSpecifier()->SymbolContextMatches(sym_ctx_with_reasons[i])) 2008 && (cur_hook_sp->GetThreadSpecifier() == NULL 2009 || cur_hook_sp->GetThreadSpecifier()->ThreadPassesBasicTests(exc_ctx_with_reasons[i].GetThreadRef()))) 2010 { 2011 if (!hooks_ran) 2012 { 2013 hooks_ran = true; 2014 } 2015 if (print_hook_header && !any_thread_matched) 2016 { 2017 const char *cmd = (cur_hook_sp->GetCommands().GetSize() == 1 ? 2018 cur_hook_sp->GetCommands().GetStringAtIndex(0) : 2019 NULL); 2020 if (cmd) 2021 result.AppendMessageWithFormat("\n- Hook %llu (%s)\n", cur_hook_sp->GetID(), cmd); 2022 else 2023 result.AppendMessageWithFormat("\n- Hook %llu\n", cur_hook_sp->GetID()); 2024 any_thread_matched = true; 2025 } 2026 2027 if (print_thread_header) 2028 result.AppendMessageWithFormat("-- Thread %d\n", exc_ctx_with_reasons[i].GetThreadPtr()->GetIndexID()); 2029 2030 bool stop_on_continue = true; 2031 bool stop_on_error = true; 2032 bool echo_commands = false; 2033 bool print_results = true; 2034 GetDebugger().GetCommandInterpreter().HandleCommands (cur_hook_sp->GetCommands(), 2035 &exc_ctx_with_reasons[i], 2036 stop_on_continue, 2037 stop_on_error, 2038 echo_commands, 2039 print_results, 2040 eLazyBoolNo, 2041 result); 2042 2043 // If the command started the target going again, we should bag out of 2044 // running the stop hooks. 2045 if ((result.GetStatus() == eReturnStatusSuccessContinuingNoResult) || 2046 (result.GetStatus() == eReturnStatusSuccessContinuingResult)) 2047 { 2048 result.AppendMessageWithFormat ("Aborting stop hooks, hook %llu set the program running.", cur_hook_sp->GetID()); 2049 keep_going = false; 2050 } 2051 } 2052 } 2053 } 2054 2055 result.GetImmediateOutputStream()->Flush(); 2056 result.GetImmediateErrorStream()->Flush(); 2057 } 2058 2059 2060 //-------------------------------------------------------------- 2061 // class Target::StopHook 2062 //-------------------------------------------------------------- 2063 2064 2065 Target::StopHook::StopHook (lldb::TargetSP target_sp, lldb::user_id_t uid) : 2066 UserID (uid), 2067 m_target_sp (target_sp), 2068 m_commands (), 2069 m_specifier_sp (), 2070 m_thread_spec_ap(NULL), 2071 m_active (true) 2072 { 2073 } 2074 2075 Target::StopHook::StopHook (const StopHook &rhs) : 2076 UserID (rhs.GetID()), 2077 m_target_sp (rhs.m_target_sp), 2078 m_commands (rhs.m_commands), 2079 m_specifier_sp (rhs.m_specifier_sp), 2080 m_thread_spec_ap (NULL), 2081 m_active (rhs.m_active) 2082 { 2083 if (rhs.m_thread_spec_ap.get() != NULL) 2084 m_thread_spec_ap.reset (new ThreadSpec(*rhs.m_thread_spec_ap.get())); 2085 } 2086 2087 2088 Target::StopHook::~StopHook () 2089 { 2090 } 2091 2092 void 2093 Target::StopHook::SetThreadSpecifier (ThreadSpec *specifier) 2094 { 2095 m_thread_spec_ap.reset (specifier); 2096 } 2097 2098 2099 void 2100 Target::StopHook::GetDescription (Stream *s, lldb::DescriptionLevel level) const 2101 { 2102 int indent_level = s->GetIndentLevel(); 2103 2104 s->SetIndentLevel(indent_level + 2); 2105 2106 s->Printf ("Hook: %llu\n", GetID()); 2107 if (m_active) 2108 s->Indent ("State: enabled\n"); 2109 else 2110 s->Indent ("State: disabled\n"); 2111 2112 if (m_specifier_sp) 2113 { 2114 s->Indent(); 2115 s->PutCString ("Specifier:\n"); 2116 s->SetIndentLevel (indent_level + 4); 2117 m_specifier_sp->GetDescription (s, level); 2118 s->SetIndentLevel (indent_level + 2); 2119 } 2120 2121 if (m_thread_spec_ap.get() != NULL) 2122 { 2123 StreamString tmp; 2124 s->Indent("Thread:\n"); 2125 m_thread_spec_ap->GetDescription (&tmp, level); 2126 s->SetIndentLevel (indent_level + 4); 2127 s->Indent (tmp.GetData()); 2128 s->PutCString ("\n"); 2129 s->SetIndentLevel (indent_level + 2); 2130 } 2131 2132 s->Indent ("Commands: \n"); 2133 s->SetIndentLevel (indent_level + 4); 2134 uint32_t num_commands = m_commands.GetSize(); 2135 for (uint32_t i = 0; i < num_commands; i++) 2136 { 2137 s->Indent(m_commands.GetStringAtIndex(i)); 2138 s->PutCString ("\n"); 2139 } 2140 s->SetIndentLevel (indent_level); 2141 } 2142 2143 2144 //-------------------------------------------------------------- 2145 // class Target::SettingsController 2146 //-------------------------------------------------------------- 2147 2148 Target::SettingsController::SettingsController () : 2149 UserSettingsController ("target", Debugger::GetSettingsController()), 2150 m_default_architecture () 2151 { 2152 } 2153 2154 Target::SettingsController::~SettingsController () 2155 { 2156 } 2157 2158 lldb::InstanceSettingsSP 2159 Target::SettingsController::CreateInstanceSettings (const char *instance_name) 2160 { 2161 lldb::InstanceSettingsSP new_settings_sp (new TargetInstanceSettings (GetSettingsController(), 2162 false, 2163 instance_name)); 2164 return new_settings_sp; 2165 } 2166 2167 2168 #define TSC_DEFAULT_ARCH "default-arch" 2169 #define TSC_EXPR_PREFIX "expr-prefix" 2170 #define TSC_PREFER_DYNAMIC "prefer-dynamic-value" 2171 #define TSC_ENABLE_SYNTHETIC "enable-synthetic-value" 2172 #define TSC_SKIP_PROLOGUE "skip-prologue" 2173 #define TSC_SOURCE_MAP "source-map" 2174 #define TSC_EXE_SEARCH_PATHS "exec-search-paths" 2175 #define TSC_MAX_CHILDREN "max-children-count" 2176 #define TSC_MAX_STRLENSUMMARY "max-string-summary-length" 2177 #define TSC_PLATFORM_AVOID "breakpoints-use-platform-avoid-list" 2178 #define TSC_RUN_ARGS "run-args" 2179 #define TSC_ENV_VARS "env-vars" 2180 #define TSC_INHERIT_ENV "inherit-env" 2181 #define TSC_STDIN_PATH "input-path" 2182 #define TSC_STDOUT_PATH "output-path" 2183 #define TSC_STDERR_PATH "error-path" 2184 #define TSC_DISABLE_ASLR "disable-aslr" 2185 #define TSC_DISABLE_STDIO "disable-stdio" 2186 2187 2188 static const ConstString & 2189 GetSettingNameForDefaultArch () 2190 { 2191 static ConstString g_const_string (TSC_DEFAULT_ARCH); 2192 return g_const_string; 2193 } 2194 2195 static const ConstString & 2196 GetSettingNameForExpressionPrefix () 2197 { 2198 static ConstString g_const_string (TSC_EXPR_PREFIX); 2199 return g_const_string; 2200 } 2201 2202 static const ConstString & 2203 GetSettingNameForPreferDynamicValue () 2204 { 2205 static ConstString g_const_string (TSC_PREFER_DYNAMIC); 2206 return g_const_string; 2207 } 2208 2209 static const ConstString & 2210 GetSettingNameForEnableSyntheticValue () 2211 { 2212 static ConstString g_const_string (TSC_ENABLE_SYNTHETIC); 2213 return g_const_string; 2214 } 2215 2216 static const ConstString & 2217 GetSettingNameForSourcePathMap () 2218 { 2219 static ConstString g_const_string (TSC_SOURCE_MAP); 2220 return g_const_string; 2221 } 2222 2223 static const ConstString & 2224 GetSettingNameForExecutableSearchPaths () 2225 { 2226 static ConstString g_const_string (TSC_EXE_SEARCH_PATHS); 2227 return g_const_string; 2228 } 2229 2230 static const ConstString & 2231 GetSettingNameForSkipPrologue () 2232 { 2233 static ConstString g_const_string (TSC_SKIP_PROLOGUE); 2234 return g_const_string; 2235 } 2236 2237 static const ConstString & 2238 GetSettingNameForMaxChildren () 2239 { 2240 static ConstString g_const_string (TSC_MAX_CHILDREN); 2241 return g_const_string; 2242 } 2243 2244 static const ConstString & 2245 GetSettingNameForMaxStringSummaryLength () 2246 { 2247 static ConstString g_const_string (TSC_MAX_STRLENSUMMARY); 2248 return g_const_string; 2249 } 2250 2251 static const ConstString & 2252 GetSettingNameForPlatformAvoid () 2253 { 2254 static ConstString g_const_string (TSC_PLATFORM_AVOID); 2255 return g_const_string; 2256 } 2257 2258 const ConstString & 2259 GetSettingNameForRunArgs () 2260 { 2261 static ConstString g_const_string (TSC_RUN_ARGS); 2262 return g_const_string; 2263 } 2264 2265 const ConstString & 2266 GetSettingNameForEnvVars () 2267 { 2268 static ConstString g_const_string (TSC_ENV_VARS); 2269 return g_const_string; 2270 } 2271 2272 const ConstString & 2273 GetSettingNameForInheritHostEnv () 2274 { 2275 static ConstString g_const_string (TSC_INHERIT_ENV); 2276 return g_const_string; 2277 } 2278 2279 const ConstString & 2280 GetSettingNameForInputPath () 2281 { 2282 static ConstString g_const_string (TSC_STDIN_PATH); 2283 return g_const_string; 2284 } 2285 2286 const ConstString & 2287 GetSettingNameForOutputPath () 2288 { 2289 static ConstString g_const_string (TSC_STDOUT_PATH); 2290 return g_const_string; 2291 } 2292 2293 const ConstString & 2294 GetSettingNameForErrorPath () 2295 { 2296 static ConstString g_const_string (TSC_STDERR_PATH); 2297 return g_const_string; 2298 } 2299 2300 const ConstString & 2301 GetSettingNameForDisableASLR () 2302 { 2303 static ConstString g_const_string (TSC_DISABLE_ASLR); 2304 return g_const_string; 2305 } 2306 2307 const ConstString & 2308 GetSettingNameForDisableSTDIO () 2309 { 2310 static ConstString g_const_string (TSC_DISABLE_STDIO); 2311 return g_const_string; 2312 } 2313 2314 bool 2315 Target::SettingsController::SetGlobalVariable (const ConstString &var_name, 2316 const char *index_value, 2317 const char *value, 2318 const SettingEntry &entry, 2319 const VarSetOperationType op, 2320 Error&err) 2321 { 2322 if (var_name == GetSettingNameForDefaultArch()) 2323 { 2324 m_default_architecture.SetTriple (value); 2325 if (!m_default_architecture.IsValid()) 2326 err.SetErrorStringWithFormat ("'%s' is not a valid architecture or triple.", value); 2327 } 2328 return true; 2329 } 2330 2331 2332 bool 2333 Target::SettingsController::GetGlobalVariable (const ConstString &var_name, 2334 StringList &value, 2335 Error &err) 2336 { 2337 if (var_name == GetSettingNameForDefaultArch()) 2338 { 2339 // If the arch is invalid (the default), don't show a string for it 2340 if (m_default_architecture.IsValid()) 2341 value.AppendString (m_default_architecture.GetArchitectureName()); 2342 return true; 2343 } 2344 else 2345 err.SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); 2346 2347 return false; 2348 } 2349 2350 //-------------------------------------------------------------- 2351 // class TargetInstanceSettings 2352 //-------------------------------------------------------------- 2353 2354 TargetInstanceSettings::TargetInstanceSettings 2355 ( 2356 const lldb::UserSettingsControllerSP &owner_sp, 2357 bool live_instance, 2358 const char *name 2359 ) : 2360 InstanceSettings (owner_sp, name ? name : InstanceSettings::InvalidName().AsCString(), live_instance), 2361 m_expr_prefix_file (), 2362 m_expr_prefix_contents (), 2363 m_prefer_dynamic_value (2), 2364 m_enable_synthetic_value(true, true), 2365 m_skip_prologue (true, true), 2366 m_source_map (NULL, NULL), 2367 m_exe_search_paths (), 2368 m_max_children_display(256), 2369 m_max_strlen_length(1024), 2370 m_breakpoints_use_platform_avoid (true, true), 2371 m_run_args (), 2372 m_env_vars (), 2373 m_input_path (), 2374 m_output_path (), 2375 m_error_path (), 2376 m_disable_aslr (true), 2377 m_disable_stdio (false), 2378 m_inherit_host_env (true), 2379 m_got_host_env (false) 2380 { 2381 // CopyInstanceSettings is a pure virtual function in InstanceSettings; it therefore cannot be called 2382 // until the vtables for TargetInstanceSettings are properly set up, i.e. AFTER all the initializers. 2383 // For this reason it has to be called here, rather than in the initializer or in the parent constructor. 2384 // This is true for CreateInstanceName() too. 2385 2386 if (GetInstanceName () == InstanceSettings::InvalidName()) 2387 { 2388 ChangeInstanceName (std::string (CreateInstanceName().AsCString())); 2389 owner_sp->RegisterInstanceSettings (this); 2390 } 2391 2392 if (live_instance) 2393 { 2394 const lldb::InstanceSettingsSP &pending_settings = owner_sp->FindPendingSettings (m_instance_name); 2395 CopyInstanceSettings (pending_settings,false); 2396 } 2397 } 2398 2399 TargetInstanceSettings::TargetInstanceSettings (const TargetInstanceSettings &rhs) : 2400 InstanceSettings (Target::GetSettingsController(), CreateInstanceName().AsCString()), 2401 m_expr_prefix_file (rhs.m_expr_prefix_file), 2402 m_expr_prefix_contents (rhs.m_expr_prefix_contents), 2403 m_prefer_dynamic_value (rhs.m_prefer_dynamic_value), 2404 m_enable_synthetic_value(rhs.m_enable_synthetic_value), 2405 m_skip_prologue (rhs.m_skip_prologue), 2406 m_source_map (rhs.m_source_map), 2407 m_exe_search_paths (rhs.m_exe_search_paths), 2408 m_max_children_display (rhs.m_max_children_display), 2409 m_max_strlen_length (rhs.m_max_strlen_length), 2410 m_breakpoints_use_platform_avoid (rhs.m_breakpoints_use_platform_avoid), 2411 m_run_args (rhs.m_run_args), 2412 m_env_vars (rhs.m_env_vars), 2413 m_input_path (rhs.m_input_path), 2414 m_output_path (rhs.m_output_path), 2415 m_error_path (rhs.m_error_path), 2416 m_disable_aslr (rhs.m_disable_aslr), 2417 m_disable_stdio (rhs.m_disable_stdio), 2418 m_inherit_host_env (rhs.m_inherit_host_env) 2419 { 2420 if (m_instance_name != InstanceSettings::GetDefaultName()) 2421 { 2422 UserSettingsControllerSP owner_sp (m_owner_wp.lock()); 2423 if (owner_sp) 2424 CopyInstanceSettings (owner_sp->FindPendingSettings (m_instance_name),false); 2425 } 2426 } 2427 2428 TargetInstanceSettings::~TargetInstanceSettings () 2429 { 2430 } 2431 2432 TargetInstanceSettings& 2433 TargetInstanceSettings::operator= (const TargetInstanceSettings &rhs) 2434 { 2435 if (this != &rhs) 2436 { 2437 m_expr_prefix_file = rhs.m_expr_prefix_file; 2438 m_expr_prefix_contents = rhs.m_expr_prefix_contents; 2439 m_prefer_dynamic_value = rhs.m_prefer_dynamic_value; 2440 m_enable_synthetic_value = rhs.m_enable_synthetic_value; 2441 m_skip_prologue = rhs.m_skip_prologue; 2442 m_source_map = rhs.m_source_map; 2443 m_exe_search_paths = rhs.m_exe_search_paths; 2444 m_max_children_display = rhs.m_max_children_display; 2445 m_max_strlen_length = rhs.m_max_strlen_length; 2446 m_breakpoints_use_platform_avoid = rhs.m_breakpoints_use_platform_avoid; 2447 m_run_args = rhs.m_run_args; 2448 m_env_vars = rhs.m_env_vars; 2449 m_input_path = rhs.m_input_path; 2450 m_output_path = rhs.m_output_path; 2451 m_error_path = rhs.m_error_path; 2452 m_disable_aslr = rhs.m_disable_aslr; 2453 m_disable_stdio = rhs.m_disable_stdio; 2454 m_inherit_host_env = rhs.m_inherit_host_env; 2455 } 2456 2457 return *this; 2458 } 2459 2460 void 2461 TargetInstanceSettings::UpdateInstanceSettingsVariable (const ConstString &var_name, 2462 const char *index_value, 2463 const char *value, 2464 const ConstString &instance_name, 2465 const SettingEntry &entry, 2466 VarSetOperationType op, 2467 Error &err, 2468 bool pending) 2469 { 2470 if (var_name == GetSettingNameForExpressionPrefix ()) 2471 { 2472 err = UserSettingsController::UpdateFileSpecOptionValue (value, op, m_expr_prefix_file); 2473 if (err.Success()) 2474 { 2475 switch (op) 2476 { 2477 default: 2478 break; 2479 case eVarSetOperationAssign: 2480 case eVarSetOperationAppend: 2481 { 2482 m_expr_prefix_contents.clear(); 2483 2484 if (!m_expr_prefix_file.GetCurrentValue().Exists()) 2485 { 2486 err.SetErrorToGenericError (); 2487 err.SetErrorStringWithFormat ("%s does not exist", value); 2488 return; 2489 } 2490 2491 DataBufferSP file_data_sp (m_expr_prefix_file.GetCurrentValue().ReadFileContents(0, SIZE_MAX, &err)); 2492 2493 if (err.Success()) 2494 { 2495 if (file_data_sp && file_data_sp->GetByteSize() > 0) 2496 { 2497 m_expr_prefix_contents.assign((const char*)file_data_sp->GetBytes(), file_data_sp->GetByteSize()); 2498 } 2499 else 2500 { 2501 err.SetErrorStringWithFormat ("couldn't read data from '%s'", value); 2502 } 2503 } 2504 } 2505 break; 2506 case eVarSetOperationClear: 2507 m_expr_prefix_contents.clear(); 2508 } 2509 } 2510 } 2511 else if (var_name == GetSettingNameForPreferDynamicValue()) 2512 { 2513 int new_value; 2514 UserSettingsController::UpdateEnumVariable (g_dynamic_value_types, &new_value, value, err); 2515 if (err.Success()) 2516 m_prefer_dynamic_value = new_value; 2517 } 2518 else if (var_name == GetSettingNameForEnableSyntheticValue()) 2519 { 2520 bool ok; 2521 bool new_value = Args::StringToBoolean(value, true, &ok); 2522 if (ok) 2523 m_enable_synthetic_value.SetCurrentValue(new_value); 2524 } 2525 else if (var_name == GetSettingNameForSkipPrologue()) 2526 { 2527 err = UserSettingsController::UpdateBooleanOptionValue (value, op, m_skip_prologue); 2528 } 2529 else if (var_name == GetSettingNameForMaxChildren()) 2530 { 2531 bool ok; 2532 uint32_t new_value = Args::StringToUInt32(value, 0, 10, &ok); 2533 if (ok) 2534 m_max_children_display = new_value; 2535 } 2536 else if (var_name == GetSettingNameForMaxStringSummaryLength()) 2537 { 2538 bool ok; 2539 uint32_t new_value = Args::StringToUInt32(value, 0, 10, &ok); 2540 if (ok) 2541 m_max_strlen_length = new_value; 2542 } 2543 else if (var_name == GetSettingNameForExecutableSearchPaths()) 2544 { 2545 switch (op) 2546 { 2547 case eVarSetOperationReplace: 2548 case eVarSetOperationInsertBefore: 2549 case eVarSetOperationInsertAfter: 2550 case eVarSetOperationRemove: 2551 default: 2552 break; 2553 case eVarSetOperationAssign: 2554 m_exe_search_paths.Clear(); 2555 // Fall through to append.... 2556 case eVarSetOperationAppend: 2557 { 2558 Args args(value); 2559 const uint32_t argc = args.GetArgumentCount(); 2560 if (argc > 0) 2561 { 2562 const char *exe_search_path_dir; 2563 for (uint32_t idx = 0; (exe_search_path_dir = args.GetArgumentAtIndex(idx)) != NULL; ++idx) 2564 { 2565 FileSpec file_spec; 2566 file_spec.GetDirectory().SetCString(exe_search_path_dir); 2567 FileSpec::FileType file_type = file_spec.GetFileType(); 2568 if (file_type == FileSpec::eFileTypeDirectory || file_type == FileSpec::eFileTypeInvalid) 2569 { 2570 m_exe_search_paths.Append(file_spec); 2571 } 2572 else 2573 { 2574 err.SetErrorStringWithFormat("executable search path '%s' exists, but it does not resolve to a directory", exe_search_path_dir); 2575 } 2576 } 2577 } 2578 } 2579 break; 2580 2581 case eVarSetOperationClear: 2582 m_exe_search_paths.Clear(); 2583 break; 2584 } 2585 } 2586 else if (var_name == GetSettingNameForSourcePathMap ()) 2587 { 2588 switch (op) 2589 { 2590 case eVarSetOperationReplace: 2591 case eVarSetOperationInsertBefore: 2592 case eVarSetOperationInsertAfter: 2593 case eVarSetOperationRemove: 2594 default: 2595 break; 2596 case eVarSetOperationAssign: 2597 m_source_map.Clear(true); 2598 // Fall through to append.... 2599 case eVarSetOperationAppend: 2600 { 2601 Args args(value); 2602 const uint32_t argc = args.GetArgumentCount(); 2603 if (argc & 1 || argc == 0) 2604 { 2605 err.SetErrorStringWithFormat ("an even number of paths must be supplied to to the source-map setting: %u arguments given", argc); 2606 } 2607 else 2608 { 2609 char resolved_new_path[PATH_MAX]; 2610 FileSpec file_spec; 2611 const char *old_path; 2612 for (uint32_t idx = 0; (old_path = args.GetArgumentAtIndex(idx)) != NULL; idx += 2) 2613 { 2614 const char *new_path = args.GetArgumentAtIndex(idx+1); 2615 assert (new_path); // We have an even number of paths, this shouldn't happen! 2616 2617 file_spec.SetFile(new_path, true); 2618 if (file_spec.Exists()) 2619 { 2620 if (file_spec.GetPath (resolved_new_path, sizeof(resolved_new_path)) >= sizeof(resolved_new_path)) 2621 { 2622 err.SetErrorStringWithFormat("new path '%s' is too long", new_path); 2623 return; 2624 } 2625 } 2626 else 2627 { 2628 err.SetErrorStringWithFormat("new path '%s' doesn't exist", new_path); 2629 return; 2630 } 2631 m_source_map.Append(ConstString (old_path), ConstString (resolved_new_path), true); 2632 } 2633 } 2634 } 2635 break; 2636 2637 case eVarSetOperationClear: 2638 m_source_map.Clear(true); 2639 break; 2640 } 2641 } 2642 else if (var_name == GetSettingNameForPlatformAvoid ()) 2643 { 2644 err = UserSettingsController::UpdateBooleanOptionValue (value, op, m_breakpoints_use_platform_avoid); 2645 } 2646 else if (var_name == GetSettingNameForRunArgs()) 2647 { 2648 UserSettingsController::UpdateStringArrayVariable (op, index_value, m_run_args, value, err); 2649 } 2650 else if (var_name == GetSettingNameForEnvVars()) 2651 { 2652 // This is nice for local debugging, but it is isn't correct for 2653 // remote debugging. We need to stop process.env-vars from being 2654 // populated with the host environment and add this as a launch option 2655 // and get the correct environment from the Target's platform. 2656 // GetHostEnvironmentIfNeeded (); 2657 UserSettingsController::UpdateDictionaryVariable (op, index_value, m_env_vars, value, err); 2658 } 2659 else if (var_name == GetSettingNameForInputPath()) 2660 { 2661 UserSettingsController::UpdateStringVariable (op, m_input_path, value, err); 2662 } 2663 else if (var_name == GetSettingNameForOutputPath()) 2664 { 2665 UserSettingsController::UpdateStringVariable (op, m_output_path, value, err); 2666 } 2667 else if (var_name == GetSettingNameForErrorPath()) 2668 { 2669 UserSettingsController::UpdateStringVariable (op, m_error_path, value, err); 2670 } 2671 else if (var_name == GetSettingNameForDisableASLR()) 2672 { 2673 UserSettingsController::UpdateBooleanVariable (op, m_disable_aslr, value, true, err); 2674 } 2675 else if (var_name == GetSettingNameForDisableSTDIO ()) 2676 { 2677 UserSettingsController::UpdateBooleanVariable (op, m_disable_stdio, value, false, err); 2678 } 2679 } 2680 2681 void 2682 TargetInstanceSettings::CopyInstanceSettings (const lldb::InstanceSettingsSP &new_settings, bool pending) 2683 { 2684 TargetInstanceSettings *new_settings_ptr = static_cast <TargetInstanceSettings *> (new_settings.get()); 2685 2686 if (!new_settings_ptr) 2687 return; 2688 2689 *this = *new_settings_ptr; 2690 } 2691 2692 bool 2693 TargetInstanceSettings::GetInstanceSettingsValue (const SettingEntry &entry, 2694 const ConstString &var_name, 2695 StringList &value, 2696 Error *err) 2697 { 2698 if (var_name == GetSettingNameForExpressionPrefix ()) 2699 { 2700 char path[PATH_MAX]; 2701 const size_t path_len = m_expr_prefix_file.GetCurrentValue().GetPath (path, sizeof(path)); 2702 if (path_len > 0) 2703 value.AppendString (path, path_len); 2704 } 2705 else if (var_name == GetSettingNameForPreferDynamicValue()) 2706 { 2707 value.AppendString (g_dynamic_value_types[m_prefer_dynamic_value].string_value); 2708 } 2709 else if (var_name == GetSettingNameForEnableSyntheticValue()) 2710 { 2711 if (m_skip_prologue) 2712 value.AppendString ("true"); 2713 else 2714 value.AppendString ("false"); 2715 } 2716 else if (var_name == GetSettingNameForSkipPrologue()) 2717 { 2718 if (m_skip_prologue) 2719 value.AppendString ("true"); 2720 else 2721 value.AppendString ("false"); 2722 } 2723 else if (var_name == GetSettingNameForExecutableSearchPaths()) 2724 { 2725 if (m_exe_search_paths.GetSize()) 2726 { 2727 for (size_t i = 0, n = m_exe_search_paths.GetSize(); i < n; ++i) 2728 { 2729 value.AppendString(m_exe_search_paths.GetFileSpecAtIndex (i).GetDirectory().AsCString()); 2730 } 2731 } 2732 } 2733 else if (var_name == GetSettingNameForSourcePathMap ()) 2734 { 2735 if (m_source_map.GetSize()) 2736 { 2737 size_t i; 2738 for (i = 0; i < m_source_map.GetSize(); ++i) { 2739 StreamString sstr; 2740 m_source_map.Dump(&sstr, i); 2741 value.AppendString(sstr.GetData()); 2742 } 2743 } 2744 } 2745 else if (var_name == GetSettingNameForMaxChildren()) 2746 { 2747 StreamString count_str; 2748 count_str.Printf ("%d", m_max_children_display); 2749 value.AppendString (count_str.GetData()); 2750 } 2751 else if (var_name == GetSettingNameForMaxStringSummaryLength()) 2752 { 2753 StreamString count_str; 2754 count_str.Printf ("%d", m_max_strlen_length); 2755 value.AppendString (count_str.GetData()); 2756 } 2757 else if (var_name == GetSettingNameForPlatformAvoid()) 2758 { 2759 if (m_breakpoints_use_platform_avoid) 2760 value.AppendString ("true"); 2761 else 2762 value.AppendString ("false"); 2763 } 2764 else if (var_name == GetSettingNameForRunArgs()) 2765 { 2766 if (m_run_args.GetArgumentCount() > 0) 2767 { 2768 for (int i = 0; i < m_run_args.GetArgumentCount(); ++i) 2769 value.AppendString (m_run_args.GetArgumentAtIndex (i)); 2770 } 2771 } 2772 else if (var_name == GetSettingNameForEnvVars()) 2773 { 2774 GetHostEnvironmentIfNeeded (); 2775 2776 if (m_env_vars.size() > 0) 2777 { 2778 std::map<std::string, std::string>::iterator pos; 2779 for (pos = m_env_vars.begin(); pos != m_env_vars.end(); ++pos) 2780 { 2781 StreamString value_str; 2782 value_str.Printf ("%s=%s", pos->first.c_str(), pos->second.c_str()); 2783 value.AppendString (value_str.GetData()); 2784 } 2785 } 2786 } 2787 else if (var_name == GetSettingNameForInputPath()) 2788 { 2789 value.AppendString (m_input_path.c_str()); 2790 } 2791 else if (var_name == GetSettingNameForOutputPath()) 2792 { 2793 value.AppendString (m_output_path.c_str()); 2794 } 2795 else if (var_name == GetSettingNameForErrorPath()) 2796 { 2797 value.AppendString (m_error_path.c_str()); 2798 } 2799 else if (var_name == GetSettingNameForInheritHostEnv()) 2800 { 2801 if (m_inherit_host_env) 2802 value.AppendString ("true"); 2803 else 2804 value.AppendString ("false"); 2805 } 2806 else if (var_name == GetSettingNameForDisableASLR()) 2807 { 2808 if (m_disable_aslr) 2809 value.AppendString ("true"); 2810 else 2811 value.AppendString ("false"); 2812 } 2813 else if (var_name == GetSettingNameForDisableSTDIO()) 2814 { 2815 if (m_disable_stdio) 2816 value.AppendString ("true"); 2817 else 2818 value.AppendString ("false"); 2819 } 2820 else 2821 { 2822 if (err) 2823 err->SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); 2824 return false; 2825 } 2826 return true; 2827 } 2828 2829 void 2830 Target::TargetInstanceSettings::GetHostEnvironmentIfNeeded () 2831 { 2832 if (m_inherit_host_env && !m_got_host_env) 2833 { 2834 m_got_host_env = true; 2835 StringList host_env; 2836 const size_t host_env_count = Host::GetEnvironment (host_env); 2837 for (size_t idx=0; idx<host_env_count; idx++) 2838 { 2839 const char *env_entry = host_env.GetStringAtIndex (idx); 2840 if (env_entry) 2841 { 2842 const char *equal_pos = ::strchr(env_entry, '='); 2843 if (equal_pos) 2844 { 2845 std::string key (env_entry, equal_pos - env_entry); 2846 std::string value (equal_pos + 1); 2847 if (m_env_vars.find (key) == m_env_vars.end()) 2848 m_env_vars[key] = value; 2849 } 2850 } 2851 } 2852 } 2853 } 2854 2855 2856 size_t 2857 Target::TargetInstanceSettings::GetEnvironmentAsArgs (Args &env) 2858 { 2859 GetHostEnvironmentIfNeeded (); 2860 2861 dictionary::const_iterator pos, end = m_env_vars.end(); 2862 for (pos = m_env_vars.begin(); pos != end; ++pos) 2863 { 2864 std::string env_var_equal_value (pos->first); 2865 env_var_equal_value.append(1, '='); 2866 env_var_equal_value.append (pos->second); 2867 env.AppendArgument (env_var_equal_value.c_str()); 2868 } 2869 return env.GetArgumentCount(); 2870 } 2871 2872 2873 const ConstString 2874 TargetInstanceSettings::CreateInstanceName () 2875 { 2876 StreamString sstr; 2877 static int instance_count = 1; 2878 2879 sstr.Printf ("target_%d", instance_count); 2880 ++instance_count; 2881 2882 const ConstString ret_val (sstr.GetData()); 2883 return ret_val; 2884 } 2885 2886 //-------------------------------------------------- 2887 // Target::SettingsController Variable Tables 2888 //-------------------------------------------------- 2889 OptionEnumValueElement 2890 TargetInstanceSettings::g_dynamic_value_types[] = 2891 { 2892 { eNoDynamicValues, "no-dynamic-values", "Don't calculate the dynamic type of values"}, 2893 { eDynamicCanRunTarget, "run-target", "Calculate the dynamic type of values even if you have to run the target."}, 2894 { eDynamicDontRunTarget, "no-run-target", "Calculate the dynamic type of values, but don't run the target."}, 2895 { 0, NULL, NULL } 2896 }; 2897 2898 SettingEntry 2899 Target::SettingsController::global_settings_table[] = 2900 { 2901 // var-name var-type default enum init'd hidden help-text 2902 // ================= ================== =========== ==== ====== ====== ========================================================================= 2903 { TSC_DEFAULT_ARCH , eSetVarTypeString , NULL , NULL, false, false, "Default architecture to choose, when there's a choice." }, 2904 { NULL , eSetVarTypeNone , NULL , NULL, false, false, NULL } 2905 }; 2906 2907 SettingEntry 2908 Target::SettingsController::instance_settings_table[] = 2909 { 2910 // var-name var-type default enum init'd hidden help-text 2911 // ================= ================== =============== ======================= ====== ====== ========================================================================= 2912 { TSC_EXPR_PREFIX , eSetVarTypeString , NULL , NULL, false, false, "Path to a file containing expressions to be prepended to all expressions." }, 2913 { TSC_PREFER_DYNAMIC , eSetVarTypeEnum , NULL , g_dynamic_value_types, false, false, "Should printed values be shown as their dynamic value." }, 2914 { TSC_ENABLE_SYNTHETIC , eSetVarTypeBoolean, "true" , NULL, false, false, "Should synthetic values be used by default whenever available." }, 2915 { TSC_SKIP_PROLOGUE , eSetVarTypeBoolean, "true" , NULL, false, false, "Skip function prologues when setting breakpoints by name." }, 2916 { TSC_SOURCE_MAP , eSetVarTypeArray , NULL , NULL, false, false, "Source path remappings to use when locating source files from debug information." }, 2917 { TSC_EXE_SEARCH_PATHS , eSetVarTypeArray , NULL , NULL, false, false, "Executable search paths to use when locating executable files whose paths don't match the local file system." }, 2918 { TSC_MAX_CHILDREN , eSetVarTypeInt , "256" , NULL, true, false, "Maximum number of children to expand in any level of depth." }, 2919 { TSC_MAX_STRLENSUMMARY , eSetVarTypeInt , "1024" , NULL, true, false, "Maximum number of characters to show when using %s in summary strings." }, 2920 { TSC_PLATFORM_AVOID , eSetVarTypeBoolean, "true" , NULL, false, false, "Consult the platform module avoid list when setting non-module specific breakpoints." }, 2921 { TSC_RUN_ARGS , eSetVarTypeArray , NULL , NULL, false, false, "A list containing all the arguments to be passed to the executable when it is run." }, 2922 { TSC_ENV_VARS , eSetVarTypeDictionary, NULL , NULL, false, false, "A list of all the environment variables to be passed to the executable's environment, and their values." }, 2923 { TSC_INHERIT_ENV , eSetVarTypeBoolean, "true" , NULL, false, false, "Inherit the environment from the process that is running LLDB." }, 2924 { TSC_STDIN_PATH , eSetVarTypeString , NULL , NULL, false, false, "The file/path to be used by the executable program for reading its standard input." }, 2925 { TSC_STDOUT_PATH , eSetVarTypeString , NULL , NULL, false, false, "The file/path to be used by the executable program for writing its standard output." }, 2926 { TSC_STDERR_PATH , eSetVarTypeString , NULL , NULL, false, false, "The file/path to be used by the executable program for writing its standard error." }, 2927 // { "plugin", eSetVarTypeEnum, NULL, NULL, false, false, "The plugin to be used to run the process." }, 2928 { TSC_DISABLE_ASLR , eSetVarTypeBoolean, "true" , NULL, false, false, "Disable Address Space Layout Randomization (ASLR)" }, 2929 { TSC_DISABLE_STDIO , eSetVarTypeBoolean, "false" , NULL, false, false, "Disable stdin/stdout for process (e.g. for a GUI application)" }, 2930 { NULL , eSetVarTypeNone , NULL , NULL, false, false, NULL } 2931 }; 2932 2933 const ConstString & 2934 Target::TargetEventData::GetFlavorString () 2935 { 2936 static ConstString g_flavor ("Target::TargetEventData"); 2937 return g_flavor; 2938 } 2939 2940 const ConstString & 2941 Target::TargetEventData::GetFlavor () const 2942 { 2943 return TargetEventData::GetFlavorString (); 2944 } 2945 2946 Target::TargetEventData::TargetEventData (const lldb::TargetSP &new_target_sp) : 2947 EventData(), 2948 m_target_sp (new_target_sp) 2949 { 2950 } 2951 2952 Target::TargetEventData::~TargetEventData() 2953 { 2954 2955 } 2956 2957 void 2958 Target::TargetEventData::Dump (Stream *s) const 2959 { 2960 2961 } 2962 2963 const TargetSP 2964 Target::TargetEventData::GetTargetFromEvent (const lldb::EventSP &event_sp) 2965 { 2966 TargetSP target_sp; 2967 2968 const TargetEventData *data = GetEventDataFromEvent (event_sp.get()); 2969 if (data) 2970 target_sp = data->m_target_sp; 2971 2972 return target_sp; 2973 } 2974 2975 const Target::TargetEventData * 2976 Target::TargetEventData::GetEventDataFromEvent (const Event *event_ptr) 2977 { 2978 if (event_ptr) 2979 { 2980 const EventData *event_data = event_ptr->GetData(); 2981 if (event_data && event_data->GetFlavor() == TargetEventData::GetFlavorString()) 2982 return static_cast <const TargetEventData *> (event_ptr->GetData()); 2983 } 2984 return NULL; 2985 } 2986 2987