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 ModuleSP module_sp (section_sp->GetModule()); 1068 if (module_sp) 1069 { 1070 ObjectFile *objfile = section_sp->GetModule()->GetObjectFile(); 1071 if (objfile) 1072 { 1073 size_t bytes_read = objfile->ReadSectionData (section_sp.get(), 1074 addr.GetOffset(), 1075 dst, 1076 dst_len); 1077 if (bytes_read > 0) 1078 return bytes_read; 1079 else 1080 error.SetErrorStringWithFormat("error reading data from section %s", section_sp->GetName().GetCString()); 1081 } 1082 else 1083 error.SetErrorString("address isn't from a object file"); 1084 } 1085 else 1086 error.SetErrorString("address isn't in a module"); 1087 } 1088 else 1089 error.SetErrorString("address doesn't contain a section that points to a section in a object file"); 1090 1091 return 0; 1092 } 1093 1094 size_t 1095 Target::ReadMemory (const Address& addr, 1096 bool prefer_file_cache, 1097 void *dst, 1098 size_t dst_len, 1099 Error &error, 1100 lldb::addr_t *load_addr_ptr) 1101 { 1102 error.Clear(); 1103 1104 // if we end up reading this from process memory, we will fill this 1105 // with the actual load address 1106 if (load_addr_ptr) 1107 *load_addr_ptr = LLDB_INVALID_ADDRESS; 1108 1109 size_t bytes_read = 0; 1110 1111 addr_t load_addr = LLDB_INVALID_ADDRESS; 1112 addr_t file_addr = LLDB_INVALID_ADDRESS; 1113 Address resolved_addr; 1114 if (!addr.IsSectionOffset()) 1115 { 1116 if (m_section_load_list.IsEmpty()) 1117 { 1118 // No sections are loaded, so we must assume we are not running 1119 // yet and anything we are given is a file address. 1120 file_addr = addr.GetOffset(); // "addr" doesn't have a section, so its offset is the file address 1121 m_images.ResolveFileAddress (file_addr, resolved_addr); 1122 } 1123 else 1124 { 1125 // We have at least one section loaded. This can be becuase 1126 // we have manually loaded some sections with "target modules load ..." 1127 // or because we have have a live process that has sections loaded 1128 // through the dynamic loader 1129 load_addr = addr.GetOffset(); // "addr" doesn't have a section, so its offset is the load address 1130 m_section_load_list.ResolveLoadAddress (load_addr, resolved_addr); 1131 } 1132 } 1133 if (!resolved_addr.IsValid()) 1134 resolved_addr = addr; 1135 1136 1137 if (prefer_file_cache) 1138 { 1139 bytes_read = ReadMemoryFromFileCache (resolved_addr, dst, dst_len, error); 1140 if (bytes_read > 0) 1141 return bytes_read; 1142 } 1143 1144 if (ProcessIsValid()) 1145 { 1146 if (load_addr == LLDB_INVALID_ADDRESS) 1147 load_addr = resolved_addr.GetLoadAddress (this); 1148 1149 if (load_addr == LLDB_INVALID_ADDRESS) 1150 { 1151 ModuleSP addr_module_sp (resolved_addr.GetModule()); 1152 if (addr_module_sp && addr_module_sp->GetFileSpec()) 1153 error.SetErrorStringWithFormat("%s[0x%llx] can't be resolved, %s in not currently loaded", 1154 addr_module_sp->GetFileSpec().GetFilename().AsCString(), 1155 resolved_addr.GetFileAddress(), 1156 addr_module_sp->GetFileSpec().GetFilename().AsCString()); 1157 else 1158 error.SetErrorStringWithFormat("0x%llx can't be resolved", resolved_addr.GetFileAddress()); 1159 } 1160 else 1161 { 1162 bytes_read = m_process_sp->ReadMemory(load_addr, dst, dst_len, error); 1163 if (bytes_read != dst_len) 1164 { 1165 if (error.Success()) 1166 { 1167 if (bytes_read == 0) 1168 error.SetErrorStringWithFormat("read memory from 0x%llx failed", load_addr); 1169 else 1170 error.SetErrorStringWithFormat("only %zu of %zu bytes were read from memory at 0x%llx", bytes_read, dst_len, load_addr); 1171 } 1172 } 1173 if (bytes_read) 1174 { 1175 if (load_addr_ptr) 1176 *load_addr_ptr = load_addr; 1177 return bytes_read; 1178 } 1179 // If the address is not section offset we have an address that 1180 // doesn't resolve to any address in any currently loaded shared 1181 // libaries and we failed to read memory so there isn't anything 1182 // more we can do. If it is section offset, we might be able to 1183 // read cached memory from the object file. 1184 if (!resolved_addr.IsSectionOffset()) 1185 return 0; 1186 } 1187 } 1188 1189 if (!prefer_file_cache && resolved_addr.IsSectionOffset()) 1190 { 1191 // If we didn't already try and read from the object file cache, then 1192 // try it after failing to read from the process. 1193 return ReadMemoryFromFileCache (resolved_addr, dst, dst_len, error); 1194 } 1195 return 0; 1196 } 1197 1198 size_t 1199 Target::ReadScalarIntegerFromMemory (const Address& addr, 1200 bool prefer_file_cache, 1201 uint32_t byte_size, 1202 bool is_signed, 1203 Scalar &scalar, 1204 Error &error) 1205 { 1206 uint64_t uval; 1207 1208 if (byte_size <= sizeof(uval)) 1209 { 1210 size_t bytes_read = ReadMemory (addr, prefer_file_cache, &uval, byte_size, error); 1211 if (bytes_read == byte_size) 1212 { 1213 DataExtractor data (&uval, sizeof(uval), m_arch.GetByteOrder(), m_arch.GetAddressByteSize()); 1214 uint32_t offset = 0; 1215 if (byte_size <= 4) 1216 scalar = data.GetMaxU32 (&offset, byte_size); 1217 else 1218 scalar = data.GetMaxU64 (&offset, byte_size); 1219 1220 if (is_signed) 1221 scalar.SignExtend(byte_size * 8); 1222 return bytes_read; 1223 } 1224 } 1225 else 1226 { 1227 error.SetErrorStringWithFormat ("byte size of %u is too large for integer scalar type", byte_size); 1228 } 1229 return 0; 1230 } 1231 1232 uint64_t 1233 Target::ReadUnsignedIntegerFromMemory (const Address& addr, 1234 bool prefer_file_cache, 1235 size_t integer_byte_size, 1236 uint64_t fail_value, 1237 Error &error) 1238 { 1239 Scalar scalar; 1240 if (ReadScalarIntegerFromMemory (addr, 1241 prefer_file_cache, 1242 integer_byte_size, 1243 false, 1244 scalar, 1245 error)) 1246 return scalar.ULongLong(fail_value); 1247 return fail_value; 1248 } 1249 1250 bool 1251 Target::ReadPointerFromMemory (const Address& addr, 1252 bool prefer_file_cache, 1253 Error &error, 1254 Address &pointer_addr) 1255 { 1256 Scalar scalar; 1257 if (ReadScalarIntegerFromMemory (addr, 1258 prefer_file_cache, 1259 m_arch.GetAddressByteSize(), 1260 false, 1261 scalar, 1262 error)) 1263 { 1264 addr_t pointer_vm_addr = scalar.ULongLong(LLDB_INVALID_ADDRESS); 1265 if (pointer_vm_addr != LLDB_INVALID_ADDRESS) 1266 { 1267 if (m_section_load_list.IsEmpty()) 1268 { 1269 // No sections are loaded, so we must assume we are not running 1270 // yet and anything we are given is a file address. 1271 m_images.ResolveFileAddress (pointer_vm_addr, pointer_addr); 1272 } 1273 else 1274 { 1275 // We have at least one section loaded. This can be becuase 1276 // we have manually loaded some sections with "target modules load ..." 1277 // or because we have have a live process that has sections loaded 1278 // through the dynamic loader 1279 m_section_load_list.ResolveLoadAddress (pointer_vm_addr, pointer_addr); 1280 } 1281 // We weren't able to resolve the pointer value, so just return 1282 // an address with no section 1283 if (!pointer_addr.IsValid()) 1284 pointer_addr.SetOffset (pointer_vm_addr); 1285 return true; 1286 1287 } 1288 } 1289 return false; 1290 } 1291 1292 ModuleSP 1293 Target::GetSharedModule (const ModuleSpec &module_spec, Error *error_ptr) 1294 { 1295 // Don't pass in the UUID so we can tell if we have a stale value in our list 1296 ModuleSP old_module_sp; // This will get filled in if we have a new version of the library 1297 bool did_create_module = false; 1298 ModuleSP module_sp; 1299 1300 Error error; 1301 1302 // If there are image search path entries, try to use them first to acquire a suitable image. 1303 if (m_image_search_paths.GetSize()) 1304 { 1305 ModuleSpec transformed_spec (module_spec); 1306 if (m_image_search_paths.RemapPath (module_spec.GetFileSpec().GetDirectory(), transformed_spec.GetFileSpec().GetDirectory())) 1307 { 1308 transformed_spec.GetFileSpec().GetFilename() = module_spec.GetFileSpec().GetFilename(); 1309 error = ModuleList::GetSharedModule (transformed_spec, 1310 module_sp, 1311 &GetExecutableSearchPaths(), 1312 &old_module_sp, 1313 &did_create_module); 1314 } 1315 } 1316 1317 // The platform is responsible for finding and caching an appropriate 1318 // module in the shared module cache. 1319 if (m_platform_sp) 1320 { 1321 FileSpec platform_file_spec; 1322 error = m_platform_sp->GetSharedModule (module_spec, 1323 module_sp, 1324 &GetExecutableSearchPaths(), 1325 &old_module_sp, 1326 &did_create_module); 1327 } 1328 else 1329 { 1330 error.SetErrorString("no platform is currently set"); 1331 } 1332 1333 // If a module hasn't been found yet, use the unmodified path. 1334 if (module_sp) 1335 { 1336 m_images.Append (module_sp); 1337 if (did_create_module) 1338 { 1339 if (old_module_sp && m_images.GetIndexForModule (old_module_sp.get()) != LLDB_INVALID_INDEX32) 1340 ModuleUpdated(old_module_sp, module_sp); 1341 else 1342 ModuleAdded(module_sp); 1343 } 1344 } 1345 if (error_ptr) 1346 *error_ptr = error; 1347 return module_sp; 1348 } 1349 1350 1351 TargetSP 1352 Target::CalculateTarget () 1353 { 1354 return shared_from_this(); 1355 } 1356 1357 ProcessSP 1358 Target::CalculateProcess () 1359 { 1360 return ProcessSP(); 1361 } 1362 1363 ThreadSP 1364 Target::CalculateThread () 1365 { 1366 return ThreadSP(); 1367 } 1368 1369 StackFrameSP 1370 Target::CalculateStackFrame () 1371 { 1372 return StackFrameSP(); 1373 } 1374 1375 void 1376 Target::CalculateExecutionContext (ExecutionContext &exe_ctx) 1377 { 1378 exe_ctx.Clear(); 1379 exe_ctx.SetTargetPtr(this); 1380 } 1381 1382 PathMappingList & 1383 Target::GetImageSearchPathList () 1384 { 1385 return m_image_search_paths; 1386 } 1387 1388 void 1389 Target::ImageSearchPathsChanged 1390 ( 1391 const PathMappingList &path_list, 1392 void *baton 1393 ) 1394 { 1395 Target *target = (Target *)baton; 1396 ModuleSP exe_module_sp (target->GetExecutableModule()); 1397 if (exe_module_sp) 1398 { 1399 target->m_images.Clear(); 1400 target->SetExecutableModule (exe_module_sp, true); 1401 } 1402 } 1403 1404 ClangASTContext * 1405 Target::GetScratchClangASTContext(bool create_on_demand) 1406 { 1407 // Now see if we know the target triple, and if so, create our scratch AST context: 1408 if (m_scratch_ast_context_ap.get() == NULL && m_arch.IsValid() && create_on_demand) 1409 { 1410 m_scratch_ast_context_ap.reset (new ClangASTContext(m_arch.GetTriple().str().c_str())); 1411 m_scratch_ast_source_ap.reset (new ClangASTSource(shared_from_this())); 1412 m_scratch_ast_source_ap->InstallASTContext(m_scratch_ast_context_ap->getASTContext()); 1413 llvm::OwningPtr<clang::ExternalASTSource> proxy_ast_source(m_scratch_ast_source_ap->CreateProxy()); 1414 m_scratch_ast_context_ap->SetExternalSource(proxy_ast_source); 1415 } 1416 return m_scratch_ast_context_ap.get(); 1417 } 1418 1419 ClangASTImporter * 1420 Target::GetClangASTImporter() 1421 { 1422 ClangASTImporter *ast_importer = m_ast_importer_ap.get(); 1423 1424 if (!ast_importer) 1425 { 1426 ast_importer = new ClangASTImporter(); 1427 m_ast_importer_ap.reset(ast_importer); 1428 } 1429 1430 return ast_importer; 1431 } 1432 1433 void 1434 Target::SettingsInitialize () 1435 { 1436 UserSettingsController::InitializeSettingsController (GetSettingsController(), 1437 SettingsController::global_settings_table, 1438 SettingsController::instance_settings_table); 1439 1440 // Now call SettingsInitialize() on each 'child' setting of Target 1441 Process::SettingsInitialize (); 1442 } 1443 1444 void 1445 Target::SettingsTerminate () 1446 { 1447 1448 // Must call SettingsTerminate() on each settings 'child' of Target, before terminating Target's Settings. 1449 1450 Process::SettingsTerminate (); 1451 1452 // Now terminate Target Settings. 1453 1454 UserSettingsControllerSP &usc = GetSettingsController(); 1455 UserSettingsController::FinalizeSettingsController (usc); 1456 usc.reset(); 1457 } 1458 1459 UserSettingsControllerSP & 1460 Target::GetSettingsController () 1461 { 1462 static UserSettingsControllerSP g_settings_controller_sp; 1463 if (!g_settings_controller_sp) 1464 { 1465 g_settings_controller_sp.reset (new Target::SettingsController); 1466 // The first shared pointer to Target::SettingsController in 1467 // g_settings_controller_sp must be fully created above so that 1468 // the TargetInstanceSettings can use a weak_ptr to refer back 1469 // to the master setttings controller 1470 InstanceSettingsSP default_instance_settings_sp (new TargetInstanceSettings (g_settings_controller_sp, 1471 false, 1472 InstanceSettings::GetDefaultName().AsCString())); 1473 g_settings_controller_sp->SetDefaultInstanceSettings (default_instance_settings_sp); 1474 } 1475 return g_settings_controller_sp; 1476 } 1477 1478 FileSpecList 1479 Target::GetDefaultExecutableSearchPaths () 1480 { 1481 lldb::UserSettingsControllerSP settings_controller_sp (GetSettingsController()); 1482 if (settings_controller_sp) 1483 { 1484 lldb::InstanceSettingsSP instance_settings_sp (settings_controller_sp->GetDefaultInstanceSettings ()); 1485 if (instance_settings_sp) 1486 return static_cast<TargetInstanceSettings *>(instance_settings_sp.get())->GetExecutableSearchPaths (); 1487 } 1488 return FileSpecList(); 1489 } 1490 1491 1492 ArchSpec 1493 Target::GetDefaultArchitecture () 1494 { 1495 lldb::UserSettingsControllerSP settings_controller_sp (GetSettingsController()); 1496 1497 if (settings_controller_sp) 1498 return static_cast<Target::SettingsController *>(settings_controller_sp.get())->GetArchitecture (); 1499 return ArchSpec(); 1500 } 1501 1502 void 1503 Target::SetDefaultArchitecture (const ArchSpec& arch) 1504 { 1505 lldb::UserSettingsControllerSP settings_controller_sp (GetSettingsController()); 1506 1507 if (settings_controller_sp) 1508 static_cast<Target::SettingsController *>(settings_controller_sp.get())->GetArchitecture () = arch; 1509 } 1510 1511 Target * 1512 Target::GetTargetFromContexts (const ExecutionContext *exe_ctx_ptr, const SymbolContext *sc_ptr) 1513 { 1514 // The target can either exist in the "process" of ExecutionContext, or in 1515 // the "target_sp" member of SymbolContext. This accessor helper function 1516 // will get the target from one of these locations. 1517 1518 Target *target = NULL; 1519 if (sc_ptr != NULL) 1520 target = sc_ptr->target_sp.get(); 1521 if (target == NULL && exe_ctx_ptr) 1522 target = exe_ctx_ptr->GetTargetPtr(); 1523 return target; 1524 } 1525 1526 1527 void 1528 Target::UpdateInstanceName () 1529 { 1530 StreamString sstr; 1531 1532 Module *exe_module = GetExecutableModulePointer(); 1533 if (exe_module) 1534 { 1535 sstr.Printf ("%s_%s", 1536 exe_module->GetFileSpec().GetFilename().AsCString(), 1537 exe_module->GetArchitecture().GetArchitectureName()); 1538 GetSettingsController()->RenameInstanceSettings (GetInstanceName().AsCString(), sstr.GetData()); 1539 } 1540 } 1541 1542 const char * 1543 Target::GetExpressionPrefixContentsAsCString () 1544 { 1545 if (!m_expr_prefix_contents.empty()) 1546 return m_expr_prefix_contents.c_str(); 1547 return NULL; 1548 } 1549 1550 ExecutionResults 1551 Target::EvaluateExpression 1552 ( 1553 const char *expr_cstr, 1554 StackFrame *frame, 1555 lldb_private::ExecutionPolicy execution_policy, 1556 bool coerce_to_id, 1557 bool unwind_on_error, 1558 bool keep_in_memory, 1559 lldb::DynamicValueType use_dynamic, 1560 lldb::ValueObjectSP &result_valobj_sp 1561 ) 1562 { 1563 ExecutionResults execution_results = eExecutionSetupError; 1564 1565 result_valobj_sp.reset(); 1566 1567 if (expr_cstr == NULL || expr_cstr[0] == '\0') 1568 return execution_results; 1569 1570 // We shouldn't run stop hooks in expressions. 1571 // Be sure to reset this if you return anywhere within this function. 1572 bool old_suppress_value = m_suppress_stop_hooks; 1573 m_suppress_stop_hooks = true; 1574 1575 ExecutionContext exe_ctx; 1576 1577 const size_t expr_cstr_len = ::strlen (expr_cstr); 1578 1579 if (frame) 1580 { 1581 frame->CalculateExecutionContext(exe_ctx); 1582 Error error; 1583 const uint32_t expr_path_options = StackFrame::eExpressionPathOptionCheckPtrVsMember | 1584 StackFrame::eExpressionPathOptionsNoFragileObjcIvar | 1585 StackFrame::eExpressionPathOptionsNoSyntheticChildren; 1586 lldb::VariableSP var_sp; 1587 1588 // Make sure we don't have any things that we know a variable expression 1589 // won't be able to deal with before calling into it 1590 if (::strcspn (expr_cstr, "()+*&|!~<=/^%,?") == expr_cstr_len) 1591 { 1592 result_valobj_sp = frame->GetValueForVariableExpressionPath (expr_cstr, 1593 use_dynamic, 1594 expr_path_options, 1595 var_sp, 1596 error); 1597 } 1598 } 1599 else if (m_process_sp) 1600 { 1601 m_process_sp->CalculateExecutionContext(exe_ctx); 1602 } 1603 else 1604 { 1605 CalculateExecutionContext(exe_ctx); 1606 } 1607 1608 if (result_valobj_sp) 1609 { 1610 execution_results = eExecutionCompleted; 1611 // We got a result from the frame variable expression path above... 1612 ConstString persistent_variable_name (m_persistent_variables.GetNextPersistentVariableName()); 1613 1614 lldb::ValueObjectSP const_valobj_sp; 1615 1616 // Check in case our value is already a constant value 1617 if (result_valobj_sp->GetIsConstant()) 1618 { 1619 const_valobj_sp = result_valobj_sp; 1620 const_valobj_sp->SetName (persistent_variable_name); 1621 } 1622 else 1623 { 1624 if (use_dynamic != lldb::eNoDynamicValues) 1625 { 1626 ValueObjectSP dynamic_sp = result_valobj_sp->GetDynamicValue(use_dynamic); 1627 if (dynamic_sp) 1628 result_valobj_sp = dynamic_sp; 1629 } 1630 1631 const_valobj_sp = result_valobj_sp->CreateConstantValue (persistent_variable_name); 1632 } 1633 1634 lldb::ValueObjectSP live_valobj_sp = result_valobj_sp; 1635 1636 result_valobj_sp = const_valobj_sp; 1637 1638 ClangExpressionVariableSP clang_expr_variable_sp(m_persistent_variables.CreatePersistentVariable(result_valobj_sp)); 1639 assert (clang_expr_variable_sp.get()); 1640 1641 // Set flags and live data as appropriate 1642 1643 const Value &result_value = live_valobj_sp->GetValue(); 1644 1645 switch (result_value.GetValueType()) 1646 { 1647 case Value::eValueTypeHostAddress: 1648 case Value::eValueTypeFileAddress: 1649 // we don't do anything with these for now 1650 break; 1651 case Value::eValueTypeScalar: 1652 clang_expr_variable_sp->m_flags |= ClangExpressionVariable::EVIsLLDBAllocated; 1653 clang_expr_variable_sp->m_flags |= ClangExpressionVariable::EVNeedsAllocation; 1654 break; 1655 case Value::eValueTypeLoadAddress: 1656 clang_expr_variable_sp->m_live_sp = live_valobj_sp; 1657 clang_expr_variable_sp->m_flags |= ClangExpressionVariable::EVIsProgramReference; 1658 break; 1659 } 1660 } 1661 else 1662 { 1663 // Make sure we aren't just trying to see the value of a persistent 1664 // variable (something like "$0") 1665 lldb::ClangExpressionVariableSP persistent_var_sp; 1666 // Only check for persistent variables the expression starts with a '$' 1667 if (expr_cstr[0] == '$') 1668 persistent_var_sp = m_persistent_variables.GetVariable (expr_cstr); 1669 1670 if (persistent_var_sp) 1671 { 1672 result_valobj_sp = persistent_var_sp->GetValueObject (); 1673 execution_results = eExecutionCompleted; 1674 } 1675 else 1676 { 1677 const char *prefix = GetExpressionPrefixContentsAsCString(); 1678 1679 execution_results = ClangUserExpression::Evaluate (exe_ctx, 1680 execution_policy, 1681 lldb::eLanguageTypeUnknown, 1682 coerce_to_id ? ClangUserExpression::eResultTypeId : ClangUserExpression::eResultTypeAny, 1683 unwind_on_error, 1684 expr_cstr, 1685 prefix, 1686 result_valobj_sp); 1687 } 1688 } 1689 1690 m_suppress_stop_hooks = old_suppress_value; 1691 1692 return execution_results; 1693 } 1694 1695 lldb::addr_t 1696 Target::GetCallableLoadAddress (lldb::addr_t load_addr, AddressClass addr_class) const 1697 { 1698 addr_t code_addr = load_addr; 1699 switch (m_arch.GetMachine()) 1700 { 1701 case llvm::Triple::arm: 1702 case llvm::Triple::thumb: 1703 switch (addr_class) 1704 { 1705 case eAddressClassData: 1706 case eAddressClassDebug: 1707 return LLDB_INVALID_ADDRESS; 1708 1709 case eAddressClassUnknown: 1710 case eAddressClassInvalid: 1711 case eAddressClassCode: 1712 case eAddressClassCodeAlternateISA: 1713 case eAddressClassRuntime: 1714 // Check if bit zero it no set? 1715 if ((code_addr & 1ull) == 0) 1716 { 1717 // Bit zero isn't set, check if the address is a multiple of 2? 1718 if (code_addr & 2ull) 1719 { 1720 // The address is a multiple of 2 so it must be thumb, set bit zero 1721 code_addr |= 1ull; 1722 } 1723 else if (addr_class == eAddressClassCodeAlternateISA) 1724 { 1725 // We checked the address and the address claims to be the alternate ISA 1726 // which means thumb, so set bit zero. 1727 code_addr |= 1ull; 1728 } 1729 } 1730 break; 1731 } 1732 break; 1733 1734 default: 1735 break; 1736 } 1737 return code_addr; 1738 } 1739 1740 lldb::addr_t 1741 Target::GetOpcodeLoadAddress (lldb::addr_t load_addr, AddressClass addr_class) const 1742 { 1743 addr_t opcode_addr = load_addr; 1744 switch (m_arch.GetMachine()) 1745 { 1746 case llvm::Triple::arm: 1747 case llvm::Triple::thumb: 1748 switch (addr_class) 1749 { 1750 case eAddressClassData: 1751 case eAddressClassDebug: 1752 return LLDB_INVALID_ADDRESS; 1753 1754 case eAddressClassInvalid: 1755 case eAddressClassUnknown: 1756 case eAddressClassCode: 1757 case eAddressClassCodeAlternateISA: 1758 case eAddressClassRuntime: 1759 opcode_addr &= ~(1ull); 1760 break; 1761 } 1762 break; 1763 1764 default: 1765 break; 1766 } 1767 return opcode_addr; 1768 } 1769 1770 lldb::user_id_t 1771 Target::AddStopHook (Target::StopHookSP &new_hook_sp) 1772 { 1773 lldb::user_id_t new_uid = ++m_stop_hook_next_id; 1774 new_hook_sp.reset (new StopHook(shared_from_this(), new_uid)); 1775 m_stop_hooks[new_uid] = new_hook_sp; 1776 return new_uid; 1777 } 1778 1779 bool 1780 Target::RemoveStopHookByID (lldb::user_id_t user_id) 1781 { 1782 size_t num_removed; 1783 num_removed = m_stop_hooks.erase (user_id); 1784 if (num_removed == 0) 1785 return false; 1786 else 1787 return true; 1788 } 1789 1790 void 1791 Target::RemoveAllStopHooks () 1792 { 1793 m_stop_hooks.clear(); 1794 } 1795 1796 Target::StopHookSP 1797 Target::GetStopHookByID (lldb::user_id_t user_id) 1798 { 1799 StopHookSP found_hook; 1800 1801 StopHookCollection::iterator specified_hook_iter; 1802 specified_hook_iter = m_stop_hooks.find (user_id); 1803 if (specified_hook_iter != m_stop_hooks.end()) 1804 found_hook = (*specified_hook_iter).second; 1805 return found_hook; 1806 } 1807 1808 bool 1809 Target::SetStopHookActiveStateByID (lldb::user_id_t user_id, bool active_state) 1810 { 1811 StopHookCollection::iterator specified_hook_iter; 1812 specified_hook_iter = m_stop_hooks.find (user_id); 1813 if (specified_hook_iter == m_stop_hooks.end()) 1814 return false; 1815 1816 (*specified_hook_iter).second->SetIsActive (active_state); 1817 return true; 1818 } 1819 1820 void 1821 Target::SetAllStopHooksActiveState (bool active_state) 1822 { 1823 StopHookCollection::iterator pos, end = m_stop_hooks.end(); 1824 for (pos = m_stop_hooks.begin(); pos != end; pos++) 1825 { 1826 (*pos).second->SetIsActive (active_state); 1827 } 1828 } 1829 1830 void 1831 Target::RunStopHooks () 1832 { 1833 if (m_suppress_stop_hooks) 1834 return; 1835 1836 if (!m_process_sp) 1837 return; 1838 1839 if (m_stop_hooks.empty()) 1840 return; 1841 1842 StopHookCollection::iterator pos, end = m_stop_hooks.end(); 1843 1844 // If there aren't any active stop hooks, don't bother either: 1845 bool any_active_hooks = false; 1846 for (pos = m_stop_hooks.begin(); pos != end; pos++) 1847 { 1848 if ((*pos).second->IsActive()) 1849 { 1850 any_active_hooks = true; 1851 break; 1852 } 1853 } 1854 if (!any_active_hooks) 1855 return; 1856 1857 CommandReturnObject result; 1858 1859 std::vector<ExecutionContext> exc_ctx_with_reasons; 1860 std::vector<SymbolContext> sym_ctx_with_reasons; 1861 1862 ThreadList &cur_threadlist = m_process_sp->GetThreadList(); 1863 size_t num_threads = cur_threadlist.GetSize(); 1864 for (size_t i = 0; i < num_threads; i++) 1865 { 1866 lldb::ThreadSP cur_thread_sp = cur_threadlist.GetThreadAtIndex (i); 1867 if (cur_thread_sp->ThreadStoppedForAReason()) 1868 { 1869 lldb::StackFrameSP cur_frame_sp = cur_thread_sp->GetStackFrameAtIndex(0); 1870 exc_ctx_with_reasons.push_back(ExecutionContext(m_process_sp.get(), cur_thread_sp.get(), cur_frame_sp.get())); 1871 sym_ctx_with_reasons.push_back(cur_frame_sp->GetSymbolContext(eSymbolContextEverything)); 1872 } 1873 } 1874 1875 // If no threads stopped for a reason, don't run the stop-hooks. 1876 size_t num_exe_ctx = exc_ctx_with_reasons.size(); 1877 if (num_exe_ctx == 0) 1878 return; 1879 1880 result.SetImmediateOutputStream (m_debugger.GetAsyncOutputStream()); 1881 result.SetImmediateErrorStream (m_debugger.GetAsyncErrorStream()); 1882 1883 bool keep_going = true; 1884 bool hooks_ran = false; 1885 bool print_hook_header; 1886 bool print_thread_header; 1887 1888 if (num_exe_ctx == 1) 1889 print_thread_header = false; 1890 else 1891 print_thread_header = true; 1892 1893 if (m_stop_hooks.size() == 1) 1894 print_hook_header = false; 1895 else 1896 print_hook_header = true; 1897 1898 for (pos = m_stop_hooks.begin(); keep_going && pos != end; pos++) 1899 { 1900 // result.Clear(); 1901 StopHookSP cur_hook_sp = (*pos).second; 1902 if (!cur_hook_sp->IsActive()) 1903 continue; 1904 1905 bool any_thread_matched = false; 1906 for (size_t i = 0; keep_going && i < num_exe_ctx; i++) 1907 { 1908 if ((cur_hook_sp->GetSpecifier () == NULL 1909 || cur_hook_sp->GetSpecifier()->SymbolContextMatches(sym_ctx_with_reasons[i])) 1910 && (cur_hook_sp->GetThreadSpecifier() == NULL 1911 || cur_hook_sp->GetThreadSpecifier()->ThreadPassesBasicTests(exc_ctx_with_reasons[i].GetThreadRef()))) 1912 { 1913 if (!hooks_ran) 1914 { 1915 hooks_ran = true; 1916 } 1917 if (print_hook_header && !any_thread_matched) 1918 { 1919 const char *cmd = (cur_hook_sp->GetCommands().GetSize() == 1 ? 1920 cur_hook_sp->GetCommands().GetStringAtIndex(0) : 1921 NULL); 1922 if (cmd) 1923 result.AppendMessageWithFormat("\n- Hook %llu (%s)\n", cur_hook_sp->GetID(), cmd); 1924 else 1925 result.AppendMessageWithFormat("\n- Hook %llu\n", cur_hook_sp->GetID()); 1926 any_thread_matched = true; 1927 } 1928 1929 if (print_thread_header) 1930 result.AppendMessageWithFormat("-- Thread %d\n", exc_ctx_with_reasons[i].GetThreadPtr()->GetIndexID()); 1931 1932 bool stop_on_continue = true; 1933 bool stop_on_error = true; 1934 bool echo_commands = false; 1935 bool print_results = true; 1936 GetDebugger().GetCommandInterpreter().HandleCommands (cur_hook_sp->GetCommands(), 1937 &exc_ctx_with_reasons[i], 1938 stop_on_continue, 1939 stop_on_error, 1940 echo_commands, 1941 print_results, 1942 result); 1943 1944 // If the command started the target going again, we should bag out of 1945 // running the stop hooks. 1946 if ((result.GetStatus() == eReturnStatusSuccessContinuingNoResult) || 1947 (result.GetStatus() == eReturnStatusSuccessContinuingResult)) 1948 { 1949 result.AppendMessageWithFormat ("Aborting stop hooks, hook %llu set the program running.", cur_hook_sp->GetID()); 1950 keep_going = false; 1951 } 1952 } 1953 } 1954 } 1955 1956 result.GetImmediateOutputStream()->Flush(); 1957 result.GetImmediateErrorStream()->Flush(); 1958 } 1959 1960 1961 //-------------------------------------------------------------- 1962 // class Target::StopHook 1963 //-------------------------------------------------------------- 1964 1965 1966 Target::StopHook::StopHook (lldb::TargetSP target_sp, lldb::user_id_t uid) : 1967 UserID (uid), 1968 m_target_sp (target_sp), 1969 m_commands (), 1970 m_specifier_sp (), 1971 m_thread_spec_ap(NULL), 1972 m_active (true) 1973 { 1974 } 1975 1976 Target::StopHook::StopHook (const StopHook &rhs) : 1977 UserID (rhs.GetID()), 1978 m_target_sp (rhs.m_target_sp), 1979 m_commands (rhs.m_commands), 1980 m_specifier_sp (rhs.m_specifier_sp), 1981 m_thread_spec_ap (NULL), 1982 m_active (rhs.m_active) 1983 { 1984 if (rhs.m_thread_spec_ap.get() != NULL) 1985 m_thread_spec_ap.reset (new ThreadSpec(*rhs.m_thread_spec_ap.get())); 1986 } 1987 1988 1989 Target::StopHook::~StopHook () 1990 { 1991 } 1992 1993 void 1994 Target::StopHook::SetThreadSpecifier (ThreadSpec *specifier) 1995 { 1996 m_thread_spec_ap.reset (specifier); 1997 } 1998 1999 2000 void 2001 Target::StopHook::GetDescription (Stream *s, lldb::DescriptionLevel level) const 2002 { 2003 int indent_level = s->GetIndentLevel(); 2004 2005 s->SetIndentLevel(indent_level + 2); 2006 2007 s->Printf ("Hook: %llu\n", GetID()); 2008 if (m_active) 2009 s->Indent ("State: enabled\n"); 2010 else 2011 s->Indent ("State: disabled\n"); 2012 2013 if (m_specifier_sp) 2014 { 2015 s->Indent(); 2016 s->PutCString ("Specifier:\n"); 2017 s->SetIndentLevel (indent_level + 4); 2018 m_specifier_sp->GetDescription (s, level); 2019 s->SetIndentLevel (indent_level + 2); 2020 } 2021 2022 if (m_thread_spec_ap.get() != NULL) 2023 { 2024 StreamString tmp; 2025 s->Indent("Thread:\n"); 2026 m_thread_spec_ap->GetDescription (&tmp, level); 2027 s->SetIndentLevel (indent_level + 4); 2028 s->Indent (tmp.GetData()); 2029 s->PutCString ("\n"); 2030 s->SetIndentLevel (indent_level + 2); 2031 } 2032 2033 s->Indent ("Commands: \n"); 2034 s->SetIndentLevel (indent_level + 4); 2035 uint32_t num_commands = m_commands.GetSize(); 2036 for (uint32_t i = 0; i < num_commands; i++) 2037 { 2038 s->Indent(m_commands.GetStringAtIndex(i)); 2039 s->PutCString ("\n"); 2040 } 2041 s->SetIndentLevel (indent_level); 2042 } 2043 2044 2045 //-------------------------------------------------------------- 2046 // class Target::SettingsController 2047 //-------------------------------------------------------------- 2048 2049 Target::SettingsController::SettingsController () : 2050 UserSettingsController ("target", Debugger::GetSettingsController()), 2051 m_default_architecture () 2052 { 2053 } 2054 2055 Target::SettingsController::~SettingsController () 2056 { 2057 } 2058 2059 lldb::InstanceSettingsSP 2060 Target::SettingsController::CreateInstanceSettings (const char *instance_name) 2061 { 2062 lldb::InstanceSettingsSP new_settings_sp (new TargetInstanceSettings (GetSettingsController(), 2063 false, 2064 instance_name)); 2065 return new_settings_sp; 2066 } 2067 2068 2069 #define TSC_DEFAULT_ARCH "default-arch" 2070 #define TSC_EXPR_PREFIX "expr-prefix" 2071 #define TSC_PREFER_DYNAMIC "prefer-dynamic-value" 2072 #define TSC_ENABLE_SYNTHETIC "enable-synthetic-value" 2073 #define TSC_SKIP_PROLOGUE "skip-prologue" 2074 #define TSC_SOURCE_MAP "source-map" 2075 #define TSC_EXE_SEARCH_PATHS "exec-search-paths" 2076 #define TSC_MAX_CHILDREN "max-children-count" 2077 #define TSC_MAX_STRLENSUMMARY "max-string-summary-length" 2078 #define TSC_PLATFORM_AVOID "breakpoints-use-platform-avoid-list" 2079 #define TSC_RUN_ARGS "run-args" 2080 #define TSC_ENV_VARS "env-vars" 2081 #define TSC_INHERIT_ENV "inherit-env" 2082 #define TSC_STDIN_PATH "input-path" 2083 #define TSC_STDOUT_PATH "output-path" 2084 #define TSC_STDERR_PATH "error-path" 2085 #define TSC_DISABLE_ASLR "disable-aslr" 2086 #define TSC_DISABLE_STDIO "disable-stdio" 2087 2088 2089 static const ConstString & 2090 GetSettingNameForDefaultArch () 2091 { 2092 static ConstString g_const_string (TSC_DEFAULT_ARCH); 2093 return g_const_string; 2094 } 2095 2096 static const ConstString & 2097 GetSettingNameForExpressionPrefix () 2098 { 2099 static ConstString g_const_string (TSC_EXPR_PREFIX); 2100 return g_const_string; 2101 } 2102 2103 static const ConstString & 2104 GetSettingNameForPreferDynamicValue () 2105 { 2106 static ConstString g_const_string (TSC_PREFER_DYNAMIC); 2107 return g_const_string; 2108 } 2109 2110 static const ConstString & 2111 GetSettingNameForEnableSyntheticValue () 2112 { 2113 static ConstString g_const_string (TSC_ENABLE_SYNTHETIC); 2114 return g_const_string; 2115 } 2116 2117 static const ConstString & 2118 GetSettingNameForSourcePathMap () 2119 { 2120 static ConstString g_const_string (TSC_SOURCE_MAP); 2121 return g_const_string; 2122 } 2123 2124 static const ConstString & 2125 GetSettingNameForExecutableSearchPaths () 2126 { 2127 static ConstString g_const_string (TSC_EXE_SEARCH_PATHS); 2128 return g_const_string; 2129 } 2130 2131 static const ConstString & 2132 GetSettingNameForSkipPrologue () 2133 { 2134 static ConstString g_const_string (TSC_SKIP_PROLOGUE); 2135 return g_const_string; 2136 } 2137 2138 static const ConstString & 2139 GetSettingNameForMaxChildren () 2140 { 2141 static ConstString g_const_string (TSC_MAX_CHILDREN); 2142 return g_const_string; 2143 } 2144 2145 static const ConstString & 2146 GetSettingNameForMaxStringSummaryLength () 2147 { 2148 static ConstString g_const_string (TSC_MAX_STRLENSUMMARY); 2149 return g_const_string; 2150 } 2151 2152 static const ConstString & 2153 GetSettingNameForPlatformAvoid () 2154 { 2155 static ConstString g_const_string (TSC_PLATFORM_AVOID); 2156 return g_const_string; 2157 } 2158 2159 const ConstString & 2160 GetSettingNameForRunArgs () 2161 { 2162 static ConstString g_const_string (TSC_RUN_ARGS); 2163 return g_const_string; 2164 } 2165 2166 const ConstString & 2167 GetSettingNameForEnvVars () 2168 { 2169 static ConstString g_const_string (TSC_ENV_VARS); 2170 return g_const_string; 2171 } 2172 2173 const ConstString & 2174 GetSettingNameForInheritHostEnv () 2175 { 2176 static ConstString g_const_string (TSC_INHERIT_ENV); 2177 return g_const_string; 2178 } 2179 2180 const ConstString & 2181 GetSettingNameForInputPath () 2182 { 2183 static ConstString g_const_string (TSC_STDIN_PATH); 2184 return g_const_string; 2185 } 2186 2187 const ConstString & 2188 GetSettingNameForOutputPath () 2189 { 2190 static ConstString g_const_string (TSC_STDOUT_PATH); 2191 return g_const_string; 2192 } 2193 2194 const ConstString & 2195 GetSettingNameForErrorPath () 2196 { 2197 static ConstString g_const_string (TSC_STDERR_PATH); 2198 return g_const_string; 2199 } 2200 2201 const ConstString & 2202 GetSettingNameForDisableASLR () 2203 { 2204 static ConstString g_const_string (TSC_DISABLE_ASLR); 2205 return g_const_string; 2206 } 2207 2208 const ConstString & 2209 GetSettingNameForDisableSTDIO () 2210 { 2211 static ConstString g_const_string (TSC_DISABLE_STDIO); 2212 return g_const_string; 2213 } 2214 2215 bool 2216 Target::SettingsController::SetGlobalVariable (const ConstString &var_name, 2217 const char *index_value, 2218 const char *value, 2219 const SettingEntry &entry, 2220 const VarSetOperationType op, 2221 Error&err) 2222 { 2223 if (var_name == GetSettingNameForDefaultArch()) 2224 { 2225 m_default_architecture.SetTriple (value, NULL); 2226 if (!m_default_architecture.IsValid()) 2227 err.SetErrorStringWithFormat ("'%s' is not a valid architecture or triple.", value); 2228 } 2229 return true; 2230 } 2231 2232 2233 bool 2234 Target::SettingsController::GetGlobalVariable (const ConstString &var_name, 2235 StringList &value, 2236 Error &err) 2237 { 2238 if (var_name == GetSettingNameForDefaultArch()) 2239 { 2240 // If the arch is invalid (the default), don't show a string for it 2241 if (m_default_architecture.IsValid()) 2242 value.AppendString (m_default_architecture.GetArchitectureName()); 2243 return true; 2244 } 2245 else 2246 err.SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); 2247 2248 return false; 2249 } 2250 2251 //-------------------------------------------------------------- 2252 // class TargetInstanceSettings 2253 //-------------------------------------------------------------- 2254 2255 TargetInstanceSettings::TargetInstanceSettings 2256 ( 2257 const lldb::UserSettingsControllerSP &owner_sp, 2258 bool live_instance, 2259 const char *name 2260 ) : 2261 InstanceSettings (owner_sp, name ? name : InstanceSettings::InvalidName().AsCString(), live_instance), 2262 m_expr_prefix_file (), 2263 m_expr_prefix_contents (), 2264 m_prefer_dynamic_value (2), 2265 m_enable_synthetic_value(true, true), 2266 m_skip_prologue (true, true), 2267 m_source_map (NULL, NULL), 2268 m_exe_search_paths (), 2269 m_max_children_display(256), 2270 m_max_strlen_length(1024), 2271 m_breakpoints_use_platform_avoid (true, true), 2272 m_run_args (), 2273 m_env_vars (), 2274 m_input_path (), 2275 m_output_path (), 2276 m_error_path (), 2277 m_disable_aslr (true), 2278 m_disable_stdio (false), 2279 m_inherit_host_env (true), 2280 m_got_host_env (false) 2281 { 2282 // CopyInstanceSettings is a pure virtual function in InstanceSettings; it therefore cannot be called 2283 // until the vtables for TargetInstanceSettings are properly set up, i.e. AFTER all the initializers. 2284 // For this reason it has to be called here, rather than in the initializer or in the parent constructor. 2285 // This is true for CreateInstanceName() too. 2286 2287 if (GetInstanceName () == InstanceSettings::InvalidName()) 2288 { 2289 ChangeInstanceName (std::string (CreateInstanceName().AsCString())); 2290 owner_sp->RegisterInstanceSettings (this); 2291 } 2292 2293 if (live_instance) 2294 { 2295 const lldb::InstanceSettingsSP &pending_settings = owner_sp->FindPendingSettings (m_instance_name); 2296 CopyInstanceSettings (pending_settings,false); 2297 } 2298 } 2299 2300 TargetInstanceSettings::TargetInstanceSettings (const TargetInstanceSettings &rhs) : 2301 InstanceSettings (Target::GetSettingsController(), CreateInstanceName().AsCString()), 2302 m_expr_prefix_file (rhs.m_expr_prefix_file), 2303 m_expr_prefix_contents (rhs.m_expr_prefix_contents), 2304 m_prefer_dynamic_value (rhs.m_prefer_dynamic_value), 2305 m_enable_synthetic_value(rhs.m_enable_synthetic_value), 2306 m_skip_prologue (rhs.m_skip_prologue), 2307 m_source_map (rhs.m_source_map), 2308 m_exe_search_paths (rhs.m_exe_search_paths), 2309 m_max_children_display (rhs.m_max_children_display), 2310 m_max_strlen_length (rhs.m_max_strlen_length), 2311 m_breakpoints_use_platform_avoid (rhs.m_breakpoints_use_platform_avoid), 2312 m_run_args (rhs.m_run_args), 2313 m_env_vars (rhs.m_env_vars), 2314 m_input_path (rhs.m_input_path), 2315 m_output_path (rhs.m_output_path), 2316 m_error_path (rhs.m_error_path), 2317 m_disable_aslr (rhs.m_disable_aslr), 2318 m_disable_stdio (rhs.m_disable_stdio), 2319 m_inherit_host_env (rhs.m_inherit_host_env) 2320 { 2321 if (m_instance_name != InstanceSettings::GetDefaultName()) 2322 { 2323 UserSettingsControllerSP owner_sp (m_owner_wp.lock()); 2324 if (owner_sp) 2325 CopyInstanceSettings (owner_sp->FindPendingSettings (m_instance_name),false); 2326 } 2327 } 2328 2329 TargetInstanceSettings::~TargetInstanceSettings () 2330 { 2331 } 2332 2333 TargetInstanceSettings& 2334 TargetInstanceSettings::operator= (const TargetInstanceSettings &rhs) 2335 { 2336 if (this != &rhs) 2337 { 2338 m_expr_prefix_file = rhs.m_expr_prefix_file; 2339 m_expr_prefix_contents = rhs.m_expr_prefix_contents; 2340 m_prefer_dynamic_value = rhs.m_prefer_dynamic_value; 2341 m_enable_synthetic_value = rhs.m_enable_synthetic_value; 2342 m_skip_prologue = rhs.m_skip_prologue; 2343 m_source_map = rhs.m_source_map; 2344 m_exe_search_paths = rhs.m_exe_search_paths; 2345 m_max_children_display = rhs.m_max_children_display; 2346 m_max_strlen_length = rhs.m_max_strlen_length; 2347 m_breakpoints_use_platform_avoid = rhs.m_breakpoints_use_platform_avoid; 2348 m_run_args = rhs.m_run_args; 2349 m_env_vars = rhs.m_env_vars; 2350 m_input_path = rhs.m_input_path; 2351 m_output_path = rhs.m_output_path; 2352 m_error_path = rhs.m_error_path; 2353 m_disable_aslr = rhs.m_disable_aslr; 2354 m_disable_stdio = rhs.m_disable_stdio; 2355 m_inherit_host_env = rhs.m_inherit_host_env; 2356 } 2357 2358 return *this; 2359 } 2360 2361 void 2362 TargetInstanceSettings::UpdateInstanceSettingsVariable (const ConstString &var_name, 2363 const char *index_value, 2364 const char *value, 2365 const ConstString &instance_name, 2366 const SettingEntry &entry, 2367 VarSetOperationType op, 2368 Error &err, 2369 bool pending) 2370 { 2371 if (var_name == GetSettingNameForExpressionPrefix ()) 2372 { 2373 err = UserSettingsController::UpdateFileSpecOptionValue (value, op, m_expr_prefix_file); 2374 if (err.Success()) 2375 { 2376 switch (op) 2377 { 2378 default: 2379 break; 2380 case eVarSetOperationAssign: 2381 case eVarSetOperationAppend: 2382 { 2383 m_expr_prefix_contents.clear(); 2384 2385 if (!m_expr_prefix_file.GetCurrentValue().Exists()) 2386 { 2387 err.SetErrorToGenericError (); 2388 err.SetErrorStringWithFormat ("%s does not exist", value); 2389 return; 2390 } 2391 2392 DataBufferSP file_data_sp (m_expr_prefix_file.GetCurrentValue().ReadFileContents(0, SIZE_MAX, &err)); 2393 2394 if (err.Success()) 2395 { 2396 if (file_data_sp && file_data_sp->GetByteSize() > 0) 2397 { 2398 m_expr_prefix_contents.assign((const char*)file_data_sp->GetBytes(), file_data_sp->GetByteSize()); 2399 } 2400 else 2401 { 2402 err.SetErrorStringWithFormat ("couldn't read data from '%s'", value); 2403 } 2404 } 2405 } 2406 break; 2407 case eVarSetOperationClear: 2408 m_expr_prefix_contents.clear(); 2409 } 2410 } 2411 } 2412 else if (var_name == GetSettingNameForPreferDynamicValue()) 2413 { 2414 int new_value; 2415 UserSettingsController::UpdateEnumVariable (g_dynamic_value_types, &new_value, value, err); 2416 if (err.Success()) 2417 m_prefer_dynamic_value = new_value; 2418 } 2419 else if (var_name == GetSettingNameForEnableSyntheticValue()) 2420 { 2421 bool ok; 2422 bool new_value = Args::StringToBoolean(value, true, &ok); 2423 if (ok) 2424 m_enable_synthetic_value.SetCurrentValue(new_value); 2425 } 2426 else if (var_name == GetSettingNameForSkipPrologue()) 2427 { 2428 err = UserSettingsController::UpdateBooleanOptionValue (value, op, m_skip_prologue); 2429 } 2430 else if (var_name == GetSettingNameForMaxChildren()) 2431 { 2432 bool ok; 2433 uint32_t new_value = Args::StringToUInt32(value, 0, 10, &ok); 2434 if (ok) 2435 m_max_children_display = new_value; 2436 } 2437 else if (var_name == GetSettingNameForMaxStringSummaryLength()) 2438 { 2439 bool ok; 2440 uint32_t new_value = Args::StringToUInt32(value, 0, 10, &ok); 2441 if (ok) 2442 m_max_strlen_length = new_value; 2443 } 2444 else if (var_name == GetSettingNameForExecutableSearchPaths()) 2445 { 2446 switch (op) 2447 { 2448 case eVarSetOperationReplace: 2449 case eVarSetOperationInsertBefore: 2450 case eVarSetOperationInsertAfter: 2451 case eVarSetOperationRemove: 2452 default: 2453 break; 2454 case eVarSetOperationAssign: 2455 m_exe_search_paths.Clear(); 2456 // Fall through to append.... 2457 case eVarSetOperationAppend: 2458 { 2459 Args args(value); 2460 const uint32_t argc = args.GetArgumentCount(); 2461 if (argc > 0) 2462 { 2463 const char *exe_search_path_dir; 2464 for (uint32_t idx = 0; (exe_search_path_dir = args.GetArgumentAtIndex(idx)) != NULL; ++idx) 2465 { 2466 FileSpec file_spec; 2467 file_spec.GetDirectory().SetCString(exe_search_path_dir); 2468 FileSpec::FileType file_type = file_spec.GetFileType(); 2469 if (file_type == FileSpec::eFileTypeDirectory || file_type == FileSpec::eFileTypeInvalid) 2470 { 2471 m_exe_search_paths.Append(file_spec); 2472 } 2473 else 2474 { 2475 err.SetErrorStringWithFormat("executable search path '%s' exists, but it does not resolve to a directory", exe_search_path_dir); 2476 } 2477 } 2478 } 2479 } 2480 break; 2481 2482 case eVarSetOperationClear: 2483 m_exe_search_paths.Clear(); 2484 break; 2485 } 2486 } 2487 else if (var_name == GetSettingNameForSourcePathMap ()) 2488 { 2489 switch (op) 2490 { 2491 case eVarSetOperationReplace: 2492 case eVarSetOperationInsertBefore: 2493 case eVarSetOperationInsertAfter: 2494 case eVarSetOperationRemove: 2495 default: 2496 break; 2497 case eVarSetOperationAssign: 2498 m_source_map.Clear(true); 2499 // Fall through to append.... 2500 case eVarSetOperationAppend: 2501 { 2502 Args args(value); 2503 const uint32_t argc = args.GetArgumentCount(); 2504 if (argc & 1 || argc == 0) 2505 { 2506 err.SetErrorStringWithFormat ("an even number of paths must be supplied to to the source-map setting: %u arguments given", argc); 2507 } 2508 else 2509 { 2510 char resolved_new_path[PATH_MAX]; 2511 FileSpec file_spec; 2512 const char *old_path; 2513 for (uint32_t idx = 0; (old_path = args.GetArgumentAtIndex(idx)) != NULL; idx += 2) 2514 { 2515 const char *new_path = args.GetArgumentAtIndex(idx+1); 2516 assert (new_path); // We have an even number of paths, this shouldn't happen! 2517 2518 file_spec.SetFile(new_path, true); 2519 if (file_spec.Exists()) 2520 { 2521 if (file_spec.GetPath (resolved_new_path, sizeof(resolved_new_path)) >= sizeof(resolved_new_path)) 2522 { 2523 err.SetErrorStringWithFormat("new path '%s' is too long", new_path); 2524 return; 2525 } 2526 } 2527 else 2528 { 2529 err.SetErrorStringWithFormat("new path '%s' doesn't exist", new_path); 2530 return; 2531 } 2532 m_source_map.Append(ConstString (old_path), ConstString (resolved_new_path), true); 2533 } 2534 } 2535 } 2536 break; 2537 2538 case eVarSetOperationClear: 2539 m_source_map.Clear(true); 2540 break; 2541 } 2542 } 2543 else if (var_name == GetSettingNameForPlatformAvoid ()) 2544 { 2545 err = UserSettingsController::UpdateBooleanOptionValue (value, op, m_breakpoints_use_platform_avoid); 2546 } 2547 else if (var_name == GetSettingNameForRunArgs()) 2548 { 2549 UserSettingsController::UpdateStringArrayVariable (op, index_value, m_run_args, value, err); 2550 } 2551 else if (var_name == GetSettingNameForEnvVars()) 2552 { 2553 // This is nice for local debugging, but it is isn't correct for 2554 // remote debugging. We need to stop process.env-vars from being 2555 // populated with the host environment and add this as a launch option 2556 // and get the correct environment from the Target's platform. 2557 // GetHostEnvironmentIfNeeded (); 2558 UserSettingsController::UpdateDictionaryVariable (op, index_value, m_env_vars, value, err); 2559 } 2560 else if (var_name == GetSettingNameForInputPath()) 2561 { 2562 UserSettingsController::UpdateStringVariable (op, m_input_path, value, err); 2563 } 2564 else if (var_name == GetSettingNameForOutputPath()) 2565 { 2566 UserSettingsController::UpdateStringVariable (op, m_output_path, value, err); 2567 } 2568 else if (var_name == GetSettingNameForErrorPath()) 2569 { 2570 UserSettingsController::UpdateStringVariable (op, m_error_path, value, err); 2571 } 2572 else if (var_name == GetSettingNameForDisableASLR()) 2573 { 2574 UserSettingsController::UpdateBooleanVariable (op, m_disable_aslr, value, true, err); 2575 } 2576 else if (var_name == GetSettingNameForDisableSTDIO ()) 2577 { 2578 UserSettingsController::UpdateBooleanVariable (op, m_disable_stdio, value, false, err); 2579 } 2580 } 2581 2582 void 2583 TargetInstanceSettings::CopyInstanceSettings (const lldb::InstanceSettingsSP &new_settings, bool pending) 2584 { 2585 TargetInstanceSettings *new_settings_ptr = static_cast <TargetInstanceSettings *> (new_settings.get()); 2586 2587 if (!new_settings_ptr) 2588 return; 2589 2590 *this = *new_settings_ptr; 2591 } 2592 2593 bool 2594 TargetInstanceSettings::GetInstanceSettingsValue (const SettingEntry &entry, 2595 const ConstString &var_name, 2596 StringList &value, 2597 Error *err) 2598 { 2599 if (var_name == GetSettingNameForExpressionPrefix ()) 2600 { 2601 char path[PATH_MAX]; 2602 const size_t path_len = m_expr_prefix_file.GetCurrentValue().GetPath (path, sizeof(path)); 2603 if (path_len > 0) 2604 value.AppendString (path, path_len); 2605 } 2606 else if (var_name == GetSettingNameForPreferDynamicValue()) 2607 { 2608 value.AppendString (g_dynamic_value_types[m_prefer_dynamic_value].string_value); 2609 } 2610 else if (var_name == GetSettingNameForEnableSyntheticValue()) 2611 { 2612 if (m_skip_prologue) 2613 value.AppendString ("true"); 2614 else 2615 value.AppendString ("false"); 2616 } 2617 else if (var_name == GetSettingNameForSkipPrologue()) 2618 { 2619 if (m_skip_prologue) 2620 value.AppendString ("true"); 2621 else 2622 value.AppendString ("false"); 2623 } 2624 else if (var_name == GetSettingNameForExecutableSearchPaths()) 2625 { 2626 if (m_exe_search_paths.GetSize()) 2627 { 2628 for (size_t i = 0, n = m_exe_search_paths.GetSize(); i < n; ++i) 2629 { 2630 value.AppendString(m_exe_search_paths.GetFileSpecAtIndex (i).GetDirectory().AsCString()); 2631 } 2632 } 2633 } 2634 else if (var_name == GetSettingNameForSourcePathMap ()) 2635 { 2636 if (m_source_map.GetSize()) 2637 { 2638 size_t i; 2639 for (i = 0; i < m_source_map.GetSize(); ++i) { 2640 StreamString sstr; 2641 m_source_map.Dump(&sstr, i); 2642 value.AppendString(sstr.GetData()); 2643 } 2644 } 2645 } 2646 else if (var_name == GetSettingNameForMaxChildren()) 2647 { 2648 StreamString count_str; 2649 count_str.Printf ("%d", m_max_children_display); 2650 value.AppendString (count_str.GetData()); 2651 } 2652 else if (var_name == GetSettingNameForMaxStringSummaryLength()) 2653 { 2654 StreamString count_str; 2655 count_str.Printf ("%d", m_max_strlen_length); 2656 value.AppendString (count_str.GetData()); 2657 } 2658 else if (var_name == GetSettingNameForPlatformAvoid()) 2659 { 2660 if (m_breakpoints_use_platform_avoid) 2661 value.AppendString ("true"); 2662 else 2663 value.AppendString ("false"); 2664 } 2665 else if (var_name == GetSettingNameForRunArgs()) 2666 { 2667 if (m_run_args.GetArgumentCount() > 0) 2668 { 2669 for (int i = 0; i < m_run_args.GetArgumentCount(); ++i) 2670 value.AppendString (m_run_args.GetArgumentAtIndex (i)); 2671 } 2672 } 2673 else if (var_name == GetSettingNameForEnvVars()) 2674 { 2675 GetHostEnvironmentIfNeeded (); 2676 2677 if (m_env_vars.size() > 0) 2678 { 2679 std::map<std::string, std::string>::iterator pos; 2680 for (pos = m_env_vars.begin(); pos != m_env_vars.end(); ++pos) 2681 { 2682 StreamString value_str; 2683 value_str.Printf ("%s=%s", pos->first.c_str(), pos->second.c_str()); 2684 value.AppendString (value_str.GetData()); 2685 } 2686 } 2687 } 2688 else if (var_name == GetSettingNameForInputPath()) 2689 { 2690 value.AppendString (m_input_path.c_str()); 2691 } 2692 else if (var_name == GetSettingNameForOutputPath()) 2693 { 2694 value.AppendString (m_output_path.c_str()); 2695 } 2696 else if (var_name == GetSettingNameForErrorPath()) 2697 { 2698 value.AppendString (m_error_path.c_str()); 2699 } 2700 else if (var_name == GetSettingNameForInheritHostEnv()) 2701 { 2702 if (m_inherit_host_env) 2703 value.AppendString ("true"); 2704 else 2705 value.AppendString ("false"); 2706 } 2707 else if (var_name == GetSettingNameForDisableASLR()) 2708 { 2709 if (m_disable_aslr) 2710 value.AppendString ("true"); 2711 else 2712 value.AppendString ("false"); 2713 } 2714 else if (var_name == GetSettingNameForDisableSTDIO()) 2715 { 2716 if (m_disable_stdio) 2717 value.AppendString ("true"); 2718 else 2719 value.AppendString ("false"); 2720 } 2721 else 2722 { 2723 if (err) 2724 err->SetErrorStringWithFormat ("unrecognized variable name '%s'", var_name.AsCString()); 2725 return false; 2726 } 2727 return true; 2728 } 2729 2730 void 2731 Target::TargetInstanceSettings::GetHostEnvironmentIfNeeded () 2732 { 2733 if (m_inherit_host_env && !m_got_host_env) 2734 { 2735 m_got_host_env = true; 2736 StringList host_env; 2737 const size_t host_env_count = Host::GetEnvironment (host_env); 2738 for (size_t idx=0; idx<host_env_count; idx++) 2739 { 2740 const char *env_entry = host_env.GetStringAtIndex (idx); 2741 if (env_entry) 2742 { 2743 const char *equal_pos = ::strchr(env_entry, '='); 2744 if (equal_pos) 2745 { 2746 std::string key (env_entry, equal_pos - env_entry); 2747 std::string value (equal_pos + 1); 2748 if (m_env_vars.find (key) == m_env_vars.end()) 2749 m_env_vars[key] = value; 2750 } 2751 } 2752 } 2753 } 2754 } 2755 2756 2757 size_t 2758 Target::TargetInstanceSettings::GetEnvironmentAsArgs (Args &env) 2759 { 2760 GetHostEnvironmentIfNeeded (); 2761 2762 dictionary::const_iterator pos, end = m_env_vars.end(); 2763 for (pos = m_env_vars.begin(); pos != end; ++pos) 2764 { 2765 std::string env_var_equal_value (pos->first); 2766 env_var_equal_value.append(1, '='); 2767 env_var_equal_value.append (pos->second); 2768 env.AppendArgument (env_var_equal_value.c_str()); 2769 } 2770 return env.GetArgumentCount(); 2771 } 2772 2773 2774 const ConstString 2775 TargetInstanceSettings::CreateInstanceName () 2776 { 2777 StreamString sstr; 2778 static int instance_count = 1; 2779 2780 sstr.Printf ("target_%d", instance_count); 2781 ++instance_count; 2782 2783 const ConstString ret_val (sstr.GetData()); 2784 return ret_val; 2785 } 2786 2787 //-------------------------------------------------- 2788 // Target::SettingsController Variable Tables 2789 //-------------------------------------------------- 2790 OptionEnumValueElement 2791 TargetInstanceSettings::g_dynamic_value_types[] = 2792 { 2793 { eNoDynamicValues, "no-dynamic-values", "Don't calculate the dynamic type of values"}, 2794 { eDynamicCanRunTarget, "run-target", "Calculate the dynamic type of values even if you have to run the target."}, 2795 { eDynamicDontRunTarget, "no-run-target", "Calculate the dynamic type of values, but don't run the target."}, 2796 { 0, NULL, NULL } 2797 }; 2798 2799 SettingEntry 2800 Target::SettingsController::global_settings_table[] = 2801 { 2802 // var-name var-type default enum init'd hidden help-text 2803 // ================= ================== =========== ==== ====== ====== ========================================================================= 2804 { TSC_DEFAULT_ARCH , eSetVarTypeString , NULL , NULL, false, false, "Default architecture to choose, when there's a choice." }, 2805 { NULL , eSetVarTypeNone , NULL , NULL, false, false, NULL } 2806 }; 2807 2808 SettingEntry 2809 Target::SettingsController::instance_settings_table[] = 2810 { 2811 // var-name var-type default enum init'd hidden help-text 2812 // ================= ================== =============== ======================= ====== ====== ========================================================================= 2813 { TSC_EXPR_PREFIX , eSetVarTypeString , NULL , NULL, false, false, "Path to a file containing expressions to be prepended to all expressions." }, 2814 { TSC_PREFER_DYNAMIC , eSetVarTypeEnum , NULL , g_dynamic_value_types, false, false, "Should printed values be shown as their dynamic value." }, 2815 { TSC_ENABLE_SYNTHETIC , eSetVarTypeBoolean, "true" , NULL, false, false, "Should synthetic values be used by default whenever available." }, 2816 { TSC_SKIP_PROLOGUE , eSetVarTypeBoolean, "true" , NULL, false, false, "Skip function prologues when setting breakpoints by name." }, 2817 { TSC_SOURCE_MAP , eSetVarTypeArray , NULL , NULL, false, false, "Source path remappings to use when locating source files from debug information." }, 2818 { 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." }, 2819 { TSC_MAX_CHILDREN , eSetVarTypeInt , "256" , NULL, true, false, "Maximum number of children to expand in any level of depth." }, 2820 { TSC_MAX_STRLENSUMMARY , eSetVarTypeInt , "1024" , NULL, true, false, "Maximum number of characters to show when using %s in summary strings." }, 2821 { TSC_PLATFORM_AVOID , eSetVarTypeBoolean, "true" , NULL, false, false, "Consult the platform module avoid list when setting non-module specific breakpoints." }, 2822 { TSC_RUN_ARGS , eSetVarTypeArray , NULL , NULL, false, false, "A list containing all the arguments to be passed to the executable when it is run." }, 2823 { 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." }, 2824 { TSC_INHERIT_ENV , eSetVarTypeBoolean, "true" , NULL, false, false, "Inherit the environment from the process that is running LLDB." }, 2825 { TSC_STDIN_PATH , eSetVarTypeString , NULL , NULL, false, false, "The file/path to be used by the executable program for reading its standard input." }, 2826 { TSC_STDOUT_PATH , eSetVarTypeString , NULL , NULL, false, false, "The file/path to be used by the executable program for writing its standard output." }, 2827 { TSC_STDERR_PATH , eSetVarTypeString , NULL , NULL, false, false, "The file/path to be used by the executable program for writing its standard error." }, 2828 // { "plugin", eSetVarTypeEnum, NULL, NULL, false, false, "The plugin to be used to run the process." }, 2829 { TSC_DISABLE_ASLR , eSetVarTypeBoolean, "true" , NULL, false, false, "Disable Address Space Layout Randomization (ASLR)" }, 2830 { TSC_DISABLE_STDIO , eSetVarTypeBoolean, "false" , NULL, false, false, "Disable stdin/stdout for process (e.g. for a GUI application)" }, 2831 { NULL , eSetVarTypeNone , NULL , NULL, false, false, NULL } 2832 }; 2833 2834 const ConstString & 2835 Target::TargetEventData::GetFlavorString () 2836 { 2837 static ConstString g_flavor ("Target::TargetEventData"); 2838 return g_flavor; 2839 } 2840 2841 const ConstString & 2842 Target::TargetEventData::GetFlavor () const 2843 { 2844 return TargetEventData::GetFlavorString (); 2845 } 2846 2847 Target::TargetEventData::TargetEventData (const lldb::TargetSP &new_target_sp) : 2848 EventData(), 2849 m_target_sp (new_target_sp) 2850 { 2851 } 2852 2853 Target::TargetEventData::~TargetEventData() 2854 { 2855 2856 } 2857 2858 void 2859 Target::TargetEventData::Dump (Stream *s) const 2860 { 2861 2862 } 2863 2864 const TargetSP 2865 Target::TargetEventData::GetTargetFromEvent (const lldb::EventSP &event_sp) 2866 { 2867 TargetSP target_sp; 2868 2869 const TargetEventData *data = GetEventDataFromEvent (event_sp.get()); 2870 if (data) 2871 target_sp = data->m_target_sp; 2872 2873 return target_sp; 2874 } 2875 2876 const Target::TargetEventData * 2877 Target::TargetEventData::GetEventDataFromEvent (const Event *event_ptr) 2878 { 2879 if (event_ptr) 2880 { 2881 const EventData *event_data = event_ptr->GetData(); 2882 if (event_data && event_data->GetFlavor() == TargetEventData::GetFlavorString()) 2883 return static_cast <const TargetEventData *> (event_ptr->GetData()); 2884 } 2885 return NULL; 2886 } 2887 2888