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