1 //===-- Module.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/lldb-python.h" 11 12 #include "lldb/Core/AddressResolverFileLine.h" 13 #include "lldb/Core/Error.h" 14 #include "lldb/Core/Module.h" 15 #include "lldb/Core/DataBuffer.h" 16 #include "lldb/Core/DataBufferHeap.h" 17 #include "lldb/Core/Log.h" 18 #include "lldb/Core/ModuleList.h" 19 #include "lldb/Core/ModuleSpec.h" 20 #include "lldb/Core/RegularExpression.h" 21 #include "lldb/Core/Section.h" 22 #include "lldb/Core/StreamString.h" 23 #include "lldb/Core/Timer.h" 24 #include "lldb/Host/Host.h" 25 #include "lldb/Host/Symbols.h" 26 #include "lldb/Interpreter/CommandInterpreter.h" 27 #include "lldb/Interpreter/ScriptInterpreter.h" 28 #include "lldb/lldb-private-log.h" 29 #include "lldb/Symbol/CompileUnit.h" 30 #include "lldb/Symbol/ObjectFile.h" 31 #include "lldb/Symbol/SymbolContext.h" 32 #include "lldb/Symbol/SymbolVendor.h" 33 #include "lldb/Target/CPPLanguageRuntime.h" 34 #include "lldb/Target/ObjCLanguageRuntime.h" 35 #include "lldb/Target/Process.h" 36 #include "lldb/Target/Target.h" 37 #include "lldb/Symbol/SymbolFile.h" 38 39 using namespace lldb; 40 using namespace lldb_private; 41 42 // Shared pointers to modules track module lifetimes in 43 // targets and in the global module, but this collection 44 // will track all module objects that are still alive 45 typedef std::vector<Module *> ModuleCollection; 46 47 static ModuleCollection & 48 GetModuleCollection() 49 { 50 // This module collection needs to live past any module, so we could either make it a 51 // shared pointer in each module or just leak is. Since it is only an empty vector by 52 // the time all the modules have gone away, we just leak it for now. If we decide this 53 // is a big problem we can introduce a Finalize method that will tear everything down in 54 // a predictable order. 55 56 static ModuleCollection *g_module_collection = NULL; 57 if (g_module_collection == NULL) 58 g_module_collection = new ModuleCollection(); 59 60 return *g_module_collection; 61 } 62 63 Mutex * 64 Module::GetAllocationModuleCollectionMutex() 65 { 66 // NOTE: The mutex below must be leaked since the global module list in 67 // the ModuleList class will get torn at some point, and we can't know 68 // if it will tear itself down before the "g_module_collection_mutex" below 69 // will. So we leak a Mutex object below to safeguard against that 70 71 static Mutex *g_module_collection_mutex = NULL; 72 if (g_module_collection_mutex == NULL) 73 g_module_collection_mutex = new Mutex (Mutex::eMutexTypeRecursive); // NOTE: known leak 74 return g_module_collection_mutex; 75 } 76 77 size_t 78 Module::GetNumberAllocatedModules () 79 { 80 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 81 return GetModuleCollection().size(); 82 } 83 84 Module * 85 Module::GetAllocatedModuleAtIndex (size_t idx) 86 { 87 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 88 ModuleCollection &modules = GetModuleCollection(); 89 if (idx < modules.size()) 90 return modules[idx]; 91 return NULL; 92 } 93 #if 0 94 95 // These functions help us to determine if modules are still loaded, yet don't require that 96 // you have a command interpreter and can easily be called from an external debugger. 97 namespace lldb { 98 99 void 100 ClearModuleInfo (void) 101 { 102 const bool mandatory = true; 103 ModuleList::RemoveOrphanSharedModules(mandatory); 104 } 105 106 void 107 DumpModuleInfo (void) 108 { 109 Mutex::Locker locker (Module::GetAllocationModuleCollectionMutex()); 110 ModuleCollection &modules = GetModuleCollection(); 111 const size_t count = modules.size(); 112 printf ("%s: %" PRIu64 " modules:\n", __PRETTY_FUNCTION__, (uint64_t)count); 113 for (size_t i=0; i<count; ++i) 114 { 115 116 StreamString strm; 117 Module *module = modules[i]; 118 const bool in_shared_module_list = ModuleList::ModuleIsInCache (module); 119 module->GetDescription(&strm, eDescriptionLevelFull); 120 printf ("%p: shared = %i, ref_count = %3u, module = %s\n", 121 module, 122 in_shared_module_list, 123 (uint32_t)module->use_count(), 124 strm.GetString().c_str()); 125 } 126 } 127 } 128 129 #endif 130 131 Module::Module (const ModuleSpec &module_spec) : 132 m_mutex (Mutex::eMutexTypeRecursive), 133 m_mod_time (module_spec.GetFileSpec().GetModificationTime()), 134 m_arch (module_spec.GetArchitecture()), 135 m_uuid (), 136 m_file (module_spec.GetFileSpec()), 137 m_platform_file(module_spec.GetPlatformFileSpec()), 138 m_symfile_spec (module_spec.GetSymbolFileSpec()), 139 m_object_name (module_spec.GetObjectName()), 140 m_object_offset (module_spec.GetObjectOffset()), 141 m_object_mod_time (module_spec.GetObjectModificationTime()), 142 m_objfile_sp (), 143 m_symfile_ap (), 144 m_ast (), 145 m_source_mappings (), 146 m_did_load_objfile (false), 147 m_did_load_symbol_vendor (false), 148 m_did_parse_uuid (false), 149 m_did_init_ast (false), 150 m_is_dynamic_loader_module (false), 151 m_file_has_changed (false), 152 m_first_file_changed_log (false) 153 { 154 // Scope for locker below... 155 { 156 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 157 GetModuleCollection().push_back(this); 158 } 159 160 Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES)); 161 if (log) 162 log->Printf ("%p Module::Module((%s) '%s%s%s%s')", 163 this, 164 m_arch.GetArchitectureName(), 165 m_file.GetPath().c_str(), 166 m_object_name.IsEmpty() ? "" : "(", 167 m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), 168 m_object_name.IsEmpty() ? "" : ")"); 169 } 170 171 Module::Module(const FileSpec& file_spec, 172 const ArchSpec& arch, 173 const ConstString *object_name, 174 off_t object_offset, 175 const TimeValue *object_mod_time_ptr) : 176 m_mutex (Mutex::eMutexTypeRecursive), 177 m_mod_time (file_spec.GetModificationTime()), 178 m_arch (arch), 179 m_uuid (), 180 m_file (file_spec), 181 m_platform_file(), 182 m_symfile_spec (), 183 m_object_name (), 184 m_object_offset (object_offset), 185 m_object_mod_time (), 186 m_objfile_sp (), 187 m_symfile_ap (), 188 m_ast (), 189 m_source_mappings (), 190 m_did_load_objfile (false), 191 m_did_load_symbol_vendor (false), 192 m_did_parse_uuid (false), 193 m_did_init_ast (false), 194 m_is_dynamic_loader_module (false), 195 m_file_has_changed (false), 196 m_first_file_changed_log (false) 197 { 198 // Scope for locker below... 199 { 200 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 201 GetModuleCollection().push_back(this); 202 } 203 204 if (object_name) 205 m_object_name = *object_name; 206 207 if (object_mod_time_ptr) 208 m_object_mod_time = *object_mod_time_ptr; 209 210 Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES)); 211 if (log) 212 log->Printf ("%p Module::Module((%s) '%s%s%s%s')", 213 this, 214 m_arch.GetArchitectureName(), 215 m_file.GetPath().c_str(), 216 m_object_name.IsEmpty() ? "" : "(", 217 m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), 218 m_object_name.IsEmpty() ? "" : ")"); 219 } 220 221 Module::~Module() 222 { 223 // Lock our module down while we tear everything down to make sure 224 // we don't get any access to the module while it is being destroyed 225 Mutex::Locker locker (m_mutex); 226 // Scope for locker below... 227 { 228 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 229 ModuleCollection &modules = GetModuleCollection(); 230 ModuleCollection::iterator end = modules.end(); 231 ModuleCollection::iterator pos = std::find(modules.begin(), end, this); 232 assert (pos != end); 233 modules.erase(pos); 234 } 235 Log *log(lldb_private::GetLogIfAnyCategoriesSet (LIBLLDB_LOG_OBJECT|LIBLLDB_LOG_MODULES)); 236 if (log) 237 log->Printf ("%p Module::~Module((%s) '%s%s%s%s')", 238 this, 239 m_arch.GetArchitectureName(), 240 m_file.GetPath().c_str(), 241 m_object_name.IsEmpty() ? "" : "(", 242 m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), 243 m_object_name.IsEmpty() ? "" : ")"); 244 // Release any auto pointers before we start tearing down our member 245 // variables since the object file and symbol files might need to make 246 // function calls back into this module object. The ordering is important 247 // here because symbol files can require the module object file. So we tear 248 // down the symbol file first, then the object file. 249 m_sections_ap.reset(); 250 m_symfile_ap.reset(); 251 m_objfile_sp.reset(); 252 } 253 254 ObjectFile * 255 Module::GetMemoryObjectFile (const lldb::ProcessSP &process_sp, lldb::addr_t header_addr, Error &error) 256 { 257 if (m_objfile_sp) 258 { 259 error.SetErrorString ("object file already exists"); 260 } 261 else 262 { 263 Mutex::Locker locker (m_mutex); 264 if (process_sp) 265 { 266 m_did_load_objfile = true; 267 std::unique_ptr<DataBufferHeap> data_ap (new DataBufferHeap (512, 0)); 268 Error readmem_error; 269 const size_t bytes_read = process_sp->ReadMemory (header_addr, 270 data_ap->GetBytes(), 271 data_ap->GetByteSize(), 272 readmem_error); 273 if (bytes_read == 512) 274 { 275 DataBufferSP data_sp(data_ap.release()); 276 m_objfile_sp = ObjectFile::FindPlugin(shared_from_this(), process_sp, header_addr, data_sp); 277 if (m_objfile_sp) 278 { 279 StreamString s; 280 s.Printf("0x%16.16" PRIx64, header_addr); 281 m_object_name.SetCString (s.GetData()); 282 283 // Once we get the object file, update our module with the object file's 284 // architecture since it might differ in vendor/os if some parts were 285 // unknown. 286 m_objfile_sp->GetArchitecture (m_arch); 287 } 288 else 289 { 290 error.SetErrorString ("unable to find suitable object file plug-in"); 291 } 292 } 293 else 294 { 295 error.SetErrorStringWithFormat ("unable to read header from memory: %s", readmem_error.AsCString()); 296 } 297 } 298 else 299 { 300 error.SetErrorString ("invalid process"); 301 } 302 } 303 return m_objfile_sp.get(); 304 } 305 306 307 const lldb_private::UUID& 308 Module::GetUUID() 309 { 310 Mutex::Locker locker (m_mutex); 311 if (m_did_parse_uuid == false) 312 { 313 ObjectFile * obj_file = GetObjectFile (); 314 315 if (obj_file != NULL) 316 { 317 obj_file->GetUUID(&m_uuid); 318 m_did_parse_uuid = true; 319 } 320 } 321 return m_uuid; 322 } 323 324 ClangASTContext & 325 Module::GetClangASTContext () 326 { 327 Mutex::Locker locker (m_mutex); 328 if (m_did_init_ast == false) 329 { 330 ObjectFile * objfile = GetObjectFile(); 331 ArchSpec object_arch; 332 if (objfile && objfile->GetArchitecture(object_arch)) 333 { 334 m_did_init_ast = true; 335 336 // LLVM wants this to be set to iOS or MacOSX; if we're working on 337 // a bare-boards type image, change the triple for llvm's benefit. 338 if (object_arch.GetTriple().getVendor() == llvm::Triple::Apple 339 && object_arch.GetTriple().getOS() == llvm::Triple::UnknownOS) 340 { 341 if (object_arch.GetTriple().getArch() == llvm::Triple::arm || 342 object_arch.GetTriple().getArch() == llvm::Triple::thumb) 343 { 344 object_arch.GetTriple().setOS(llvm::Triple::IOS); 345 } 346 else 347 { 348 object_arch.GetTriple().setOS(llvm::Triple::MacOSX); 349 } 350 } 351 m_ast.SetArchitecture (object_arch); 352 } 353 } 354 return m_ast; 355 } 356 357 void 358 Module::ParseAllDebugSymbols() 359 { 360 Mutex::Locker locker (m_mutex); 361 size_t num_comp_units = GetNumCompileUnits(); 362 if (num_comp_units == 0) 363 return; 364 365 SymbolContext sc; 366 sc.module_sp = shared_from_this(); 367 SymbolVendor *symbols = GetSymbolVendor (); 368 369 for (size_t cu_idx = 0; cu_idx < num_comp_units; cu_idx++) 370 { 371 sc.comp_unit = symbols->GetCompileUnitAtIndex(cu_idx).get(); 372 if (sc.comp_unit) 373 { 374 sc.function = NULL; 375 symbols->ParseVariablesForContext(sc); 376 377 symbols->ParseCompileUnitFunctions(sc); 378 379 for (size_t func_idx = 0; (sc.function = sc.comp_unit->GetFunctionAtIndex(func_idx).get()) != NULL; ++func_idx) 380 { 381 symbols->ParseFunctionBlocks(sc); 382 383 // Parse the variables for this function and all its blocks 384 symbols->ParseVariablesForContext(sc); 385 } 386 387 388 // Parse all types for this compile unit 389 sc.function = NULL; 390 symbols->ParseTypes(sc); 391 } 392 } 393 } 394 395 void 396 Module::CalculateSymbolContext(SymbolContext* sc) 397 { 398 sc->module_sp = shared_from_this(); 399 } 400 401 ModuleSP 402 Module::CalculateSymbolContextModule () 403 { 404 return shared_from_this(); 405 } 406 407 void 408 Module::DumpSymbolContext(Stream *s) 409 { 410 s->Printf(", Module{%p}", this); 411 } 412 413 size_t 414 Module::GetNumCompileUnits() 415 { 416 Mutex::Locker locker (m_mutex); 417 Timer scoped_timer(__PRETTY_FUNCTION__, "Module::GetNumCompileUnits (module = %p)", this); 418 SymbolVendor *symbols = GetSymbolVendor (); 419 if (symbols) 420 return symbols->GetNumCompileUnits(); 421 return 0; 422 } 423 424 CompUnitSP 425 Module::GetCompileUnitAtIndex (size_t index) 426 { 427 Mutex::Locker locker (m_mutex); 428 size_t num_comp_units = GetNumCompileUnits (); 429 CompUnitSP cu_sp; 430 431 if (index < num_comp_units) 432 { 433 SymbolVendor *symbols = GetSymbolVendor (); 434 if (symbols) 435 cu_sp = symbols->GetCompileUnitAtIndex(index); 436 } 437 return cu_sp; 438 } 439 440 bool 441 Module::ResolveFileAddress (lldb::addr_t vm_addr, Address& so_addr) 442 { 443 Mutex::Locker locker (m_mutex); 444 Timer scoped_timer(__PRETTY_FUNCTION__, "Module::ResolveFileAddress (vm_addr = 0x%" PRIx64 ")", vm_addr); 445 SectionList *section_list = GetSectionList(); 446 if (section_list) 447 return so_addr.ResolveAddressUsingFileSections(vm_addr, section_list); 448 return false; 449 } 450 451 uint32_t 452 Module::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc, 453 bool resolve_tail_call_address) 454 { 455 Mutex::Locker locker (m_mutex); 456 uint32_t resolved_flags = 0; 457 458 // Clear the result symbol context in case we don't find anything, but don't clear the target 459 sc.Clear(false); 460 461 // Get the section from the section/offset address. 462 SectionSP section_sp (so_addr.GetSection()); 463 464 // Make sure the section matches this module before we try and match anything 465 if (section_sp && section_sp->GetModule().get() == this) 466 { 467 // If the section offset based address resolved itself, then this 468 // is the right module. 469 sc.module_sp = shared_from_this(); 470 resolved_flags |= eSymbolContextModule; 471 472 SymbolVendor* sym_vendor = GetSymbolVendor(); 473 if (!sym_vendor) 474 return resolved_flags; 475 476 // Resolve the compile unit, function, block, line table or line 477 // entry if requested. 478 if (resolve_scope & eSymbolContextCompUnit || 479 resolve_scope & eSymbolContextFunction || 480 resolve_scope & eSymbolContextBlock || 481 resolve_scope & eSymbolContextLineEntry ) 482 { 483 resolved_flags |= sym_vendor->ResolveSymbolContext (so_addr, resolve_scope, sc); 484 } 485 486 // Resolve the symbol if requested, but don't re-look it up if we've already found it. 487 if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol)) 488 { 489 Symtab *symtab = sym_vendor->GetSymtab(); 490 if (symtab && so_addr.IsSectionOffset()) 491 { 492 sc.symbol = symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress()); 493 if (!sc.symbol && 494 resolve_scope & eSymbolContextFunction && !(resolved_flags & eSymbolContextFunction)) 495 { 496 bool verify_unique = false; // No need to check again since ResolveSymbolContext failed to find a symbol at this address. 497 if (ObjectFile *obj_file = sc.module_sp->GetObjectFile()) 498 sc.symbol = obj_file->ResolveSymbolForAddress(so_addr, verify_unique); 499 } 500 501 if (sc.symbol) 502 resolved_flags |= eSymbolContextSymbol; 503 } 504 } 505 506 // For function symbols, so_addr may be off by one. This is a convention consistent 507 // with FDE row indices in eh_frame sections, but requires extra logic here to permit 508 // symbol lookup for disassembly and unwind. 509 if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol) && 510 resolve_tail_call_address && so_addr.IsSectionOffset()) 511 { 512 Address previous_addr = so_addr; 513 previous_addr.Slide(-1); 514 515 bool do_resolve_tail_call_address = false; // prevent recursion 516 const uint32_t flags = ResolveSymbolContextForAddress(previous_addr, resolve_scope, sc, 517 do_resolve_tail_call_address); 518 if (flags & eSymbolContextSymbol) 519 { 520 AddressRange addr_range; 521 if (sc.GetAddressRange (eSymbolContextFunction | eSymbolContextSymbol, 0, false, addr_range)) 522 { 523 if (addr_range.GetBaseAddress().GetSection() == so_addr.GetSection()) 524 { 525 // If the requested address is one past the address range of a function (i.e. a tail call), 526 // or the decremented address is the start of a function (i.e. some forms of trampoline), 527 // indicate that the symbol has been resolved. 528 if (so_addr.GetOffset() == addr_range.GetBaseAddress().GetOffset() || 529 so_addr.GetOffset() == addr_range.GetBaseAddress().GetOffset() + addr_range.GetByteSize()) 530 { 531 resolved_flags |= flags; 532 } 533 } 534 else 535 { 536 sc.symbol = nullptr; // Don't trust the symbol if the sections didn't match. 537 } 538 } 539 } 540 } 541 } 542 return resolved_flags; 543 } 544 545 uint32_t 546 Module::ResolveSymbolContextForFilePath 547 ( 548 const char *file_path, 549 uint32_t line, 550 bool check_inlines, 551 uint32_t resolve_scope, 552 SymbolContextList& sc_list 553 ) 554 { 555 FileSpec file_spec(file_path, false); 556 return ResolveSymbolContextsForFileSpec (file_spec, line, check_inlines, resolve_scope, sc_list); 557 } 558 559 uint32_t 560 Module::ResolveSymbolContextsForFileSpec (const FileSpec &file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list) 561 { 562 Mutex::Locker locker (m_mutex); 563 Timer scoped_timer(__PRETTY_FUNCTION__, 564 "Module::ResolveSymbolContextForFilePath (%s:%u, check_inlines = %s, resolve_scope = 0x%8.8x)", 565 file_spec.GetPath().c_str(), 566 line, 567 check_inlines ? "yes" : "no", 568 resolve_scope); 569 570 const uint32_t initial_count = sc_list.GetSize(); 571 572 SymbolVendor *symbols = GetSymbolVendor (); 573 if (symbols) 574 symbols->ResolveSymbolContext (file_spec, line, check_inlines, resolve_scope, sc_list); 575 576 return sc_list.GetSize() - initial_count; 577 } 578 579 580 size_t 581 Module::FindGlobalVariables (const ConstString &name, 582 const ClangNamespaceDecl *namespace_decl, 583 bool append, 584 size_t max_matches, 585 VariableList& variables) 586 { 587 SymbolVendor *symbols = GetSymbolVendor (); 588 if (symbols) 589 return symbols->FindGlobalVariables(name, namespace_decl, append, max_matches, variables); 590 return 0; 591 } 592 593 size_t 594 Module::FindGlobalVariables (const RegularExpression& regex, 595 bool append, 596 size_t max_matches, 597 VariableList& variables) 598 { 599 SymbolVendor *symbols = GetSymbolVendor (); 600 if (symbols) 601 return symbols->FindGlobalVariables(regex, append, max_matches, variables); 602 return 0; 603 } 604 605 size_t 606 Module::FindCompileUnits (const FileSpec &path, 607 bool append, 608 SymbolContextList &sc_list) 609 { 610 if (!append) 611 sc_list.Clear(); 612 613 const size_t start_size = sc_list.GetSize(); 614 const size_t num_compile_units = GetNumCompileUnits(); 615 SymbolContext sc; 616 sc.module_sp = shared_from_this(); 617 const bool compare_directory = (bool)path.GetDirectory(); 618 for (size_t i=0; i<num_compile_units; ++i) 619 { 620 sc.comp_unit = GetCompileUnitAtIndex(i).get(); 621 if (sc.comp_unit) 622 { 623 if (FileSpec::Equal (*sc.comp_unit, path, compare_directory)) 624 sc_list.Append(sc); 625 } 626 } 627 return sc_list.GetSize() - start_size; 628 } 629 630 size_t 631 Module::FindFunctions (const ConstString &name, 632 const ClangNamespaceDecl *namespace_decl, 633 uint32_t name_type_mask, 634 bool include_symbols, 635 bool include_inlines, 636 bool append, 637 SymbolContextList& sc_list) 638 { 639 if (!append) 640 sc_list.Clear(); 641 642 const size_t old_size = sc_list.GetSize(); 643 644 // Find all the functions (not symbols, but debug information functions... 645 SymbolVendor *symbols = GetSymbolVendor (); 646 647 if (name_type_mask & eFunctionNameTypeAuto) 648 { 649 ConstString lookup_name; 650 uint32_t lookup_name_type_mask = 0; 651 bool match_name_after_lookup = false; 652 Module::PrepareForFunctionNameLookup (name, 653 name_type_mask, 654 lookup_name, 655 lookup_name_type_mask, 656 match_name_after_lookup); 657 658 if (symbols) 659 { 660 symbols->FindFunctions(lookup_name, 661 namespace_decl, 662 lookup_name_type_mask, 663 include_inlines, 664 append, 665 sc_list); 666 667 // Now check our symbol table for symbols that are code symbols if requested 668 if (include_symbols) 669 { 670 Symtab *symtab = symbols->GetSymtab(); 671 if (symtab) 672 symtab->FindFunctionSymbols(lookup_name, lookup_name_type_mask, sc_list); 673 } 674 } 675 676 if (match_name_after_lookup) 677 { 678 SymbolContext sc; 679 size_t i = old_size; 680 while (i<sc_list.GetSize()) 681 { 682 if (sc_list.GetContextAtIndex(i, sc)) 683 { 684 const char *func_name = sc.GetFunctionName().GetCString(); 685 if (func_name && strstr (func_name, name.GetCString()) == NULL) 686 { 687 // Remove the current context 688 sc_list.RemoveContextAtIndex(i); 689 // Don't increment i and continue in the loop 690 continue; 691 } 692 } 693 ++i; 694 } 695 } 696 } 697 else 698 { 699 if (symbols) 700 { 701 symbols->FindFunctions(name, namespace_decl, name_type_mask, include_inlines, append, sc_list); 702 703 // Now check our symbol table for symbols that are code symbols if requested 704 if (include_symbols) 705 { 706 Symtab *symtab = symbols->GetSymtab(); 707 if (symtab) 708 symtab->FindFunctionSymbols(name, name_type_mask, sc_list); 709 } 710 } 711 } 712 713 return sc_list.GetSize() - old_size; 714 } 715 716 size_t 717 Module::FindFunctions (const RegularExpression& regex, 718 bool include_symbols, 719 bool include_inlines, 720 bool append, 721 SymbolContextList& sc_list) 722 { 723 if (!append) 724 sc_list.Clear(); 725 726 const size_t start_size = sc_list.GetSize(); 727 728 SymbolVendor *symbols = GetSymbolVendor (); 729 if (symbols) 730 { 731 symbols->FindFunctions(regex, include_inlines, append, sc_list); 732 733 // Now check our symbol table for symbols that are code symbols if requested 734 if (include_symbols) 735 { 736 Symtab *symtab = symbols->GetSymtab(); 737 if (symtab) 738 { 739 std::vector<uint32_t> symbol_indexes; 740 symtab->AppendSymbolIndexesMatchingRegExAndType (regex, eSymbolTypeAny, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); 741 const size_t num_matches = symbol_indexes.size(); 742 if (num_matches) 743 { 744 SymbolContext sc(this); 745 const size_t end_functions_added_index = sc_list.GetSize(); 746 size_t num_functions_added_to_sc_list = end_functions_added_index - start_size; 747 if (num_functions_added_to_sc_list == 0) 748 { 749 // No functions were added, just symbols, so we can just append them 750 for (size_t i=0; i<num_matches; ++i) 751 { 752 sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); 753 SymbolType sym_type = sc.symbol->GetType(); 754 if (sc.symbol && (sym_type == eSymbolTypeCode || 755 sym_type == eSymbolTypeResolver)) 756 sc_list.Append(sc); 757 } 758 } 759 else 760 { 761 typedef std::map<lldb::addr_t, uint32_t> FileAddrToIndexMap; 762 FileAddrToIndexMap file_addr_to_index; 763 for (size_t i=start_size; i<end_functions_added_index; ++i) 764 { 765 const SymbolContext &sc = sc_list[i]; 766 if (sc.block) 767 continue; 768 file_addr_to_index[sc.function->GetAddressRange().GetBaseAddress().GetFileAddress()] = i; 769 } 770 771 FileAddrToIndexMap::const_iterator end = file_addr_to_index.end(); 772 // Functions were added so we need to merge symbols into any 773 // existing function symbol contexts 774 for (size_t i=start_size; i<num_matches; ++i) 775 { 776 sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); 777 SymbolType sym_type = sc.symbol->GetType(); 778 if (sc.symbol && (sym_type == eSymbolTypeCode || 779 sym_type == eSymbolTypeResolver)) 780 { 781 FileAddrToIndexMap::const_iterator pos = file_addr_to_index.find(sc.symbol->GetAddress().GetFileAddress()); 782 if (pos == end) 783 sc_list.Append(sc); 784 else 785 sc_list[pos->second].symbol = sc.symbol; 786 } 787 } 788 } 789 } 790 } 791 } 792 } 793 return sc_list.GetSize() - start_size; 794 } 795 796 void 797 Module::FindAddressesForLine (const lldb::TargetSP target_sp, 798 const FileSpec &file, uint32_t line, 799 Function *function, 800 std::vector<Address> &output_local, std::vector<Address> &output_extern) 801 { 802 SearchFilterByModule filter(target_sp, m_file); 803 AddressResolverFileLine resolver(file, line, true); 804 resolver.ResolveAddress (filter); 805 806 for (size_t n=0;n<resolver.GetNumberOfAddresses();n++) 807 { 808 Address addr = resolver.GetAddressRangeAtIndex(n).GetBaseAddress(); 809 Function *f = addr.CalculateSymbolContextFunction(); 810 if (f && f == function) 811 output_local.push_back (addr); 812 else 813 output_extern.push_back (addr); 814 } 815 } 816 817 size_t 818 Module::FindTypes_Impl (const SymbolContext& sc, 819 const ConstString &name, 820 const ClangNamespaceDecl *namespace_decl, 821 bool append, 822 size_t max_matches, 823 TypeList& types) 824 { 825 Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); 826 if (sc.module_sp.get() == NULL || sc.module_sp.get() == this) 827 { 828 SymbolVendor *symbols = GetSymbolVendor (); 829 if (symbols) 830 return symbols->FindTypes(sc, name, namespace_decl, append, max_matches, types); 831 } 832 return 0; 833 } 834 835 size_t 836 Module::FindTypesInNamespace (const SymbolContext& sc, 837 const ConstString &type_name, 838 const ClangNamespaceDecl *namespace_decl, 839 size_t max_matches, 840 TypeList& type_list) 841 { 842 const bool append = true; 843 return FindTypes_Impl(sc, type_name, namespace_decl, append, max_matches, type_list); 844 } 845 846 lldb::TypeSP 847 Module::FindFirstType (const SymbolContext& sc, 848 const ConstString &name, 849 bool exact_match) 850 { 851 TypeList type_list; 852 const size_t num_matches = FindTypes (sc, name, exact_match, 1, type_list); 853 if (num_matches) 854 return type_list.GetTypeAtIndex(0); 855 return TypeSP(); 856 } 857 858 859 size_t 860 Module::FindTypes (const SymbolContext& sc, 861 const ConstString &name, 862 bool exact_match, 863 size_t max_matches, 864 TypeList& types) 865 { 866 size_t num_matches = 0; 867 const char *type_name_cstr = name.GetCString(); 868 std::string type_scope; 869 std::string type_basename; 870 const bool append = true; 871 TypeClass type_class = eTypeClassAny; 872 if (Type::GetTypeScopeAndBasename (type_name_cstr, type_scope, type_basename, type_class)) 873 { 874 // Check if "name" starts with "::" which means the qualified type starts 875 // from the root namespace and implies and exact match. The typenames we 876 // get back from clang do not start with "::" so we need to strip this off 877 // in order to get the qualfied names to match 878 879 if (type_scope.size() >= 2 && type_scope[0] == ':' && type_scope[1] == ':') 880 { 881 type_scope.erase(0,2); 882 exact_match = true; 883 } 884 ConstString type_basename_const_str (type_basename.c_str()); 885 if (FindTypes_Impl(sc, type_basename_const_str, NULL, append, max_matches, types)) 886 { 887 types.RemoveMismatchedTypes (type_scope, type_basename, type_class, exact_match); 888 num_matches = types.GetSize(); 889 } 890 } 891 else 892 { 893 // The type is not in a namespace/class scope, just search for it by basename 894 if (type_class != eTypeClassAny) 895 { 896 // The "type_name_cstr" will have been modified if we have a valid type class 897 // prefix (like "struct", "class", "union", "typedef" etc). 898 num_matches = FindTypes_Impl(sc, ConstString(type_name_cstr), NULL, append, max_matches, types); 899 types.RemoveMismatchedTypes (type_class); 900 num_matches = types.GetSize(); 901 } 902 else 903 { 904 num_matches = FindTypes_Impl(sc, name, NULL, append, max_matches, types); 905 } 906 } 907 908 return num_matches; 909 910 } 911 912 SymbolVendor* 913 Module::GetSymbolVendor (bool can_create, lldb_private::Stream *feedback_strm) 914 { 915 Mutex::Locker locker (m_mutex); 916 if (m_did_load_symbol_vendor == false && can_create) 917 { 918 ObjectFile *obj_file = GetObjectFile (); 919 if (obj_file != NULL) 920 { 921 Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); 922 m_symfile_ap.reset(SymbolVendor::FindPlugin(shared_from_this(), feedback_strm)); 923 m_did_load_symbol_vendor = true; 924 } 925 } 926 return m_symfile_ap.get(); 927 } 928 929 void 930 Module::SetFileSpecAndObjectName (const FileSpec &file, const ConstString &object_name) 931 { 932 // Container objects whose paths do not specify a file directly can call 933 // this function to correct the file and object names. 934 m_file = file; 935 m_mod_time = file.GetModificationTime(); 936 m_object_name = object_name; 937 } 938 939 const ArchSpec& 940 Module::GetArchitecture () const 941 { 942 return m_arch; 943 } 944 945 std::string 946 Module::GetSpecificationDescription () const 947 { 948 std::string spec(GetFileSpec().GetPath()); 949 if (m_object_name) 950 { 951 spec += '('; 952 spec += m_object_name.GetCString(); 953 spec += ')'; 954 } 955 return spec; 956 } 957 958 void 959 Module::GetDescription (Stream *s, lldb::DescriptionLevel level) 960 { 961 Mutex::Locker locker (m_mutex); 962 963 if (level >= eDescriptionLevelFull) 964 { 965 if (m_arch.IsValid()) 966 s->Printf("(%s) ", m_arch.GetArchitectureName()); 967 } 968 969 if (level == eDescriptionLevelBrief) 970 { 971 const char *filename = m_file.GetFilename().GetCString(); 972 if (filename) 973 s->PutCString (filename); 974 } 975 else 976 { 977 char path[PATH_MAX]; 978 if (m_file.GetPath(path, sizeof(path))) 979 s->PutCString(path); 980 } 981 982 const char *object_name = m_object_name.GetCString(); 983 if (object_name) 984 s->Printf("(%s)", object_name); 985 } 986 987 void 988 Module::ReportError (const char *format, ...) 989 { 990 if (format && format[0]) 991 { 992 StreamString strm; 993 strm.PutCString("error: "); 994 GetDescription(&strm, lldb::eDescriptionLevelBrief); 995 strm.PutChar (' '); 996 va_list args; 997 va_start (args, format); 998 strm.PrintfVarArg(format, args); 999 va_end (args); 1000 1001 const int format_len = strlen(format); 1002 if (format_len > 0) 1003 { 1004 const char last_char = format[format_len-1]; 1005 if (last_char != '\n' || last_char != '\r') 1006 strm.EOL(); 1007 } 1008 Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str()); 1009 1010 } 1011 } 1012 1013 bool 1014 Module::FileHasChanged () const 1015 { 1016 if (m_file_has_changed == false) 1017 m_file_has_changed = (m_file.GetModificationTime() != m_mod_time); 1018 return m_file_has_changed; 1019 } 1020 1021 void 1022 Module::ReportErrorIfModifyDetected (const char *format, ...) 1023 { 1024 if (m_first_file_changed_log == false) 1025 { 1026 if (FileHasChanged ()) 1027 { 1028 m_first_file_changed_log = true; 1029 if (format) 1030 { 1031 StreamString strm; 1032 strm.PutCString("error: the object file "); 1033 GetDescription(&strm, lldb::eDescriptionLevelFull); 1034 strm.PutCString (" has been modified\n"); 1035 1036 va_list args; 1037 va_start (args, format); 1038 strm.PrintfVarArg(format, args); 1039 va_end (args); 1040 1041 const int format_len = strlen(format); 1042 if (format_len > 0) 1043 { 1044 const char last_char = format[format_len-1]; 1045 if (last_char != '\n' || last_char != '\r') 1046 strm.EOL(); 1047 } 1048 strm.PutCString("The debug session should be aborted as the original debug information has been overwritten.\n"); 1049 Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str()); 1050 } 1051 } 1052 } 1053 } 1054 1055 void 1056 Module::ReportWarning (const char *format, ...) 1057 { 1058 if (format && format[0]) 1059 { 1060 StreamString strm; 1061 strm.PutCString("warning: "); 1062 GetDescription(&strm, lldb::eDescriptionLevelFull); 1063 strm.PutChar (' '); 1064 1065 va_list args; 1066 va_start (args, format); 1067 strm.PrintfVarArg(format, args); 1068 va_end (args); 1069 1070 const int format_len = strlen(format); 1071 if (format_len > 0) 1072 { 1073 const char last_char = format[format_len-1]; 1074 if (last_char != '\n' || last_char != '\r') 1075 strm.EOL(); 1076 } 1077 Host::SystemLog (Host::eSystemLogWarning, "%s", strm.GetString().c_str()); 1078 } 1079 } 1080 1081 void 1082 Module::LogMessage (Log *log, const char *format, ...) 1083 { 1084 if (log) 1085 { 1086 StreamString log_message; 1087 GetDescription(&log_message, lldb::eDescriptionLevelFull); 1088 log_message.PutCString (": "); 1089 va_list args; 1090 va_start (args, format); 1091 log_message.PrintfVarArg (format, args); 1092 va_end (args); 1093 log->PutCString(log_message.GetString().c_str()); 1094 } 1095 } 1096 1097 void 1098 Module::LogMessageVerboseBacktrace (Log *log, const char *format, ...) 1099 { 1100 if (log) 1101 { 1102 StreamString log_message; 1103 GetDescription(&log_message, lldb::eDescriptionLevelFull); 1104 log_message.PutCString (": "); 1105 va_list args; 1106 va_start (args, format); 1107 log_message.PrintfVarArg (format, args); 1108 va_end (args); 1109 if (log->GetVerbose()) 1110 Host::Backtrace (log_message, 1024); 1111 log->PutCString(log_message.GetString().c_str()); 1112 } 1113 } 1114 1115 void 1116 Module::Dump(Stream *s) 1117 { 1118 Mutex::Locker locker (m_mutex); 1119 //s->Printf("%.*p: ", (int)sizeof(void*) * 2, this); 1120 s->Indent(); 1121 s->Printf("Module %s%s%s%s\n", 1122 m_file.GetPath().c_str(), 1123 m_object_name ? "(" : "", 1124 m_object_name ? m_object_name.GetCString() : "", 1125 m_object_name ? ")" : ""); 1126 1127 s->IndentMore(); 1128 1129 ObjectFile *objfile = GetObjectFile (); 1130 if (objfile) 1131 objfile->Dump(s); 1132 1133 SymbolVendor *symbols = GetSymbolVendor (); 1134 if (symbols) 1135 symbols->Dump(s); 1136 1137 s->IndentLess(); 1138 } 1139 1140 1141 TypeList* 1142 Module::GetTypeList () 1143 { 1144 SymbolVendor *symbols = GetSymbolVendor (); 1145 if (symbols) 1146 return &symbols->GetTypeList(); 1147 return NULL; 1148 } 1149 1150 const ConstString & 1151 Module::GetObjectName() const 1152 { 1153 return m_object_name; 1154 } 1155 1156 ObjectFile * 1157 Module::GetObjectFile() 1158 { 1159 Mutex::Locker locker (m_mutex); 1160 if (m_did_load_objfile == false) 1161 { 1162 Timer scoped_timer(__PRETTY_FUNCTION__, 1163 "Module::GetObjectFile () module = %s", GetFileSpec().GetFilename().AsCString("")); 1164 DataBufferSP data_sp; 1165 lldb::offset_t data_offset = 0; 1166 const lldb::offset_t file_size = m_file.GetByteSize(); 1167 if (file_size > m_object_offset) 1168 { 1169 m_did_load_objfile = true; 1170 m_objfile_sp = ObjectFile::FindPlugin (shared_from_this(), 1171 &m_file, 1172 m_object_offset, 1173 file_size - m_object_offset, 1174 data_sp, 1175 data_offset); 1176 if (m_objfile_sp) 1177 { 1178 // Once we get the object file, update our module with the object file's 1179 // architecture since it might differ in vendor/os if some parts were 1180 // unknown. 1181 m_objfile_sp->GetArchitecture (m_arch); 1182 } 1183 } 1184 } 1185 return m_objfile_sp.get(); 1186 } 1187 1188 SectionList * 1189 Module::GetSectionList() 1190 { 1191 // Populate m_unified_sections_ap with sections from objfile. 1192 if (m_sections_ap.get() == NULL) 1193 { 1194 ObjectFile *obj_file = GetObjectFile(); 1195 if (obj_file) 1196 obj_file->CreateSections(*GetUnifiedSectionList()); 1197 } 1198 return m_sections_ap.get(); 1199 } 1200 1201 SectionList * 1202 Module::GetUnifiedSectionList() 1203 { 1204 // Populate m_unified_sections_ap with sections from objfile. 1205 if (m_sections_ap.get() == NULL) 1206 m_sections_ap.reset(new SectionList()); 1207 return m_sections_ap.get(); 1208 } 1209 1210 const Symbol * 1211 Module::FindFirstSymbolWithNameAndType (const ConstString &name, SymbolType symbol_type) 1212 { 1213 Timer scoped_timer(__PRETTY_FUNCTION__, 1214 "Module::FindFirstSymbolWithNameAndType (name = %s, type = %i)", 1215 name.AsCString(), 1216 symbol_type); 1217 SymbolVendor* sym_vendor = GetSymbolVendor(); 1218 if (sym_vendor) 1219 { 1220 Symtab *symtab = sym_vendor->GetSymtab(); 1221 if (symtab) 1222 return symtab->FindFirstSymbolWithNameAndType (name, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny); 1223 } 1224 return NULL; 1225 } 1226 void 1227 Module::SymbolIndicesToSymbolContextList (Symtab *symtab, std::vector<uint32_t> &symbol_indexes, SymbolContextList &sc_list) 1228 { 1229 // No need to protect this call using m_mutex all other method calls are 1230 // already thread safe. 1231 1232 size_t num_indices = symbol_indexes.size(); 1233 if (num_indices > 0) 1234 { 1235 SymbolContext sc; 1236 CalculateSymbolContext (&sc); 1237 for (size_t i = 0; i < num_indices; i++) 1238 { 1239 sc.symbol = symtab->SymbolAtIndex (symbol_indexes[i]); 1240 if (sc.symbol) 1241 sc_list.Append (sc); 1242 } 1243 } 1244 } 1245 1246 size_t 1247 Module::FindFunctionSymbols (const ConstString &name, 1248 uint32_t name_type_mask, 1249 SymbolContextList& sc_list) 1250 { 1251 Timer scoped_timer(__PRETTY_FUNCTION__, 1252 "Module::FindSymbolsFunctions (name = %s, mask = 0x%8.8x)", 1253 name.AsCString(), 1254 name_type_mask); 1255 SymbolVendor* sym_vendor = GetSymbolVendor(); 1256 if (sym_vendor) 1257 { 1258 Symtab *symtab = sym_vendor->GetSymtab(); 1259 if (symtab) 1260 return symtab->FindFunctionSymbols (name, name_type_mask, sc_list); 1261 } 1262 return 0; 1263 } 1264 1265 size_t 1266 Module::FindSymbolsWithNameAndType (const ConstString &name, SymbolType symbol_type, SymbolContextList &sc_list) 1267 { 1268 // No need to protect this call using m_mutex all other method calls are 1269 // already thread safe. 1270 1271 1272 Timer scoped_timer(__PRETTY_FUNCTION__, 1273 "Module::FindSymbolsWithNameAndType (name = %s, type = %i)", 1274 name.AsCString(), 1275 symbol_type); 1276 const size_t initial_size = sc_list.GetSize(); 1277 SymbolVendor* sym_vendor = GetSymbolVendor(); 1278 if (sym_vendor) 1279 { 1280 Symtab *symtab = sym_vendor->GetSymtab(); 1281 if (symtab) 1282 { 1283 std::vector<uint32_t> symbol_indexes; 1284 symtab->FindAllSymbolsWithNameAndType (name, symbol_type, symbol_indexes); 1285 SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list); 1286 } 1287 } 1288 return sc_list.GetSize() - initial_size; 1289 } 1290 1291 size_t 1292 Module::FindSymbolsMatchingRegExAndType (const RegularExpression ®ex, SymbolType symbol_type, SymbolContextList &sc_list) 1293 { 1294 // No need to protect this call using m_mutex all other method calls are 1295 // already thread safe. 1296 1297 Timer scoped_timer(__PRETTY_FUNCTION__, 1298 "Module::FindSymbolsMatchingRegExAndType (regex = %s, type = %i)", 1299 regex.GetText(), 1300 symbol_type); 1301 const size_t initial_size = sc_list.GetSize(); 1302 SymbolVendor* sym_vendor = GetSymbolVendor(); 1303 if (sym_vendor) 1304 { 1305 Symtab *symtab = sym_vendor->GetSymtab(); 1306 if (symtab) 1307 { 1308 std::vector<uint32_t> symbol_indexes; 1309 symtab->FindAllSymbolsMatchingRexExAndType (regex, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); 1310 SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list); 1311 } 1312 } 1313 return sc_list.GetSize() - initial_size; 1314 } 1315 1316 void 1317 Module::SetSymbolFileFileSpec (const FileSpec &file) 1318 { 1319 // Remove any sections in the unified section list that come from the current symbol vendor. 1320 if (m_symfile_ap) 1321 { 1322 SectionList *section_list = GetSectionList(); 1323 SymbolFile *symbol_file = m_symfile_ap->GetSymbolFile(); 1324 if (section_list && symbol_file) 1325 { 1326 ObjectFile *obj_file = symbol_file->GetObjectFile(); 1327 // Make sure we have an object file and that the symbol vendor's objfile isn't 1328 // the same as the module's objfile before we remove any sections for it... 1329 if (obj_file && obj_file != m_objfile_sp.get()) 1330 { 1331 size_t num_sections = section_list->GetNumSections (0); 1332 for (size_t idx = num_sections; idx > 0; --idx) 1333 { 1334 lldb::SectionSP section_sp (section_list->GetSectionAtIndex (idx - 1)); 1335 if (section_sp->GetObjectFile() == obj_file) 1336 { 1337 section_list->DeleteSection (idx - 1); 1338 } 1339 } 1340 } 1341 } 1342 } 1343 1344 m_symfile_spec = file; 1345 m_symfile_ap.reset(); 1346 m_did_load_symbol_vendor = false; 1347 } 1348 1349 bool 1350 Module::IsExecutable () 1351 { 1352 if (GetObjectFile() == NULL) 1353 return false; 1354 else 1355 return GetObjectFile()->IsExecutable(); 1356 } 1357 1358 bool 1359 Module::IsLoadedInTarget (Target *target) 1360 { 1361 ObjectFile *obj_file = GetObjectFile(); 1362 if (obj_file) 1363 { 1364 SectionList *sections = GetSectionList(); 1365 if (sections != NULL) 1366 { 1367 size_t num_sections = sections->GetSize(); 1368 for (size_t sect_idx = 0; sect_idx < num_sections; sect_idx++) 1369 { 1370 SectionSP section_sp = sections->GetSectionAtIndex(sect_idx); 1371 if (section_sp->GetLoadBaseAddress(target) != LLDB_INVALID_ADDRESS) 1372 { 1373 return true; 1374 } 1375 } 1376 } 1377 } 1378 return false; 1379 } 1380 1381 bool 1382 Module::LoadScriptingResourceInTarget (Target *target, Error& error, Stream* feedback_stream) 1383 { 1384 if (!target) 1385 { 1386 error.SetErrorString("invalid destination Target"); 1387 return false; 1388 } 1389 1390 LoadScriptFromSymFile shoud_load = target->TargetProperties::GetLoadScriptFromSymbolFile(); 1391 1392 Debugger &debugger = target->GetDebugger(); 1393 const ScriptLanguage script_language = debugger.GetScriptLanguage(); 1394 if (script_language != eScriptLanguageNone) 1395 { 1396 1397 PlatformSP platform_sp(target->GetPlatform()); 1398 1399 if (!platform_sp) 1400 { 1401 error.SetErrorString("invalid Platform"); 1402 return false; 1403 } 1404 1405 FileSpecList file_specs = platform_sp->LocateExecutableScriptingResources (target, 1406 *this); 1407 1408 1409 const uint32_t num_specs = file_specs.GetSize(); 1410 if (num_specs) 1411 { 1412 ScriptInterpreter *script_interpreter = debugger.GetCommandInterpreter().GetScriptInterpreter(); 1413 if (script_interpreter) 1414 { 1415 for (uint32_t i=0; i<num_specs; ++i) 1416 { 1417 FileSpec scripting_fspec (file_specs.GetFileSpecAtIndex(i)); 1418 if (scripting_fspec && scripting_fspec.Exists()) 1419 { 1420 if (shoud_load == eLoadScriptFromSymFileFalse) 1421 return false; 1422 if (shoud_load == eLoadScriptFromSymFileWarn) 1423 { 1424 if (feedback_stream) 1425 feedback_stream->Printf("warning: '%s' contains a debug script. To run this script in " 1426 "this debug session:\n\n command script import \"%s\"\n\n" 1427 "To run all discovered debug scripts in this session:\n\n" 1428 " settings set target.load-script-from-symbol-file true\n", 1429 GetFileSpec().GetFileNameStrippingExtension().GetCString(), 1430 scripting_fspec.GetPath().c_str()); 1431 return false; 1432 } 1433 StreamString scripting_stream; 1434 scripting_fspec.Dump(&scripting_stream); 1435 const bool can_reload = true; 1436 const bool init_lldb_globals = false; 1437 bool did_load = script_interpreter->LoadScriptingModule(scripting_stream.GetData(), 1438 can_reload, 1439 init_lldb_globals, 1440 error); 1441 if (!did_load) 1442 return false; 1443 } 1444 } 1445 } 1446 else 1447 { 1448 error.SetErrorString("invalid ScriptInterpreter"); 1449 return false; 1450 } 1451 } 1452 } 1453 return true; 1454 } 1455 1456 bool 1457 Module::SetArchitecture (const ArchSpec &new_arch) 1458 { 1459 if (!m_arch.IsValid()) 1460 { 1461 m_arch = new_arch; 1462 return true; 1463 } 1464 return m_arch.IsExactMatch(new_arch); 1465 } 1466 1467 bool 1468 Module::SetLoadAddress (Target &target, lldb::addr_t offset, bool &changed) 1469 { 1470 size_t num_loaded_sections = 0; 1471 SectionList *section_list = GetSectionList (); 1472 if (section_list) 1473 { 1474 const size_t num_sections = section_list->GetSize(); 1475 size_t sect_idx = 0; 1476 for (sect_idx = 0; sect_idx < num_sections; ++sect_idx) 1477 { 1478 // Iterate through the object file sections to find the 1479 // first section that starts of file offset zero and that 1480 // has bytes in the file... 1481 SectionSP section_sp (section_list->GetSectionAtIndex (sect_idx)); 1482 // Only load non-thread specific sections when given a slide 1483 if (section_sp && !section_sp->IsThreadSpecific()) 1484 { 1485 if (target.GetSectionLoadList().SetSectionLoadAddress (section_sp, section_sp->GetFileAddress() + offset)) 1486 ++num_loaded_sections; 1487 } 1488 } 1489 } 1490 changed = num_loaded_sections > 0; 1491 return num_loaded_sections > 0; 1492 } 1493 1494 1495 bool 1496 Module::MatchesModuleSpec (const ModuleSpec &module_ref) 1497 { 1498 const UUID &uuid = module_ref.GetUUID(); 1499 1500 if (uuid.IsValid()) 1501 { 1502 // If the UUID matches, then nothing more needs to match... 1503 if (uuid == GetUUID()) 1504 return true; 1505 else 1506 return false; 1507 } 1508 1509 const FileSpec &file_spec = module_ref.GetFileSpec(); 1510 if (file_spec) 1511 { 1512 if (!FileSpec::Equal (file_spec, m_file, (bool)file_spec.GetDirectory())) 1513 return false; 1514 } 1515 1516 const FileSpec &platform_file_spec = module_ref.GetPlatformFileSpec(); 1517 if (platform_file_spec) 1518 { 1519 if (!FileSpec::Equal (platform_file_spec, GetPlatformFileSpec (), (bool)platform_file_spec.GetDirectory())) 1520 return false; 1521 } 1522 1523 const ArchSpec &arch = module_ref.GetArchitecture(); 1524 if (arch.IsValid()) 1525 { 1526 if (!m_arch.IsCompatibleMatch(arch)) 1527 return false; 1528 } 1529 1530 const ConstString &object_name = module_ref.GetObjectName(); 1531 if (object_name) 1532 { 1533 if (object_name != GetObjectName()) 1534 return false; 1535 } 1536 return true; 1537 } 1538 1539 bool 1540 Module::FindSourceFile (const FileSpec &orig_spec, FileSpec &new_spec) const 1541 { 1542 Mutex::Locker locker (m_mutex); 1543 return m_source_mappings.FindFile (orig_spec, new_spec); 1544 } 1545 1546 bool 1547 Module::RemapSourceFile (const char *path, std::string &new_path) const 1548 { 1549 Mutex::Locker locker (m_mutex); 1550 return m_source_mappings.RemapPath(path, new_path); 1551 } 1552 1553 uint32_t 1554 Module::GetVersion (uint32_t *versions, uint32_t num_versions) 1555 { 1556 ObjectFile *obj_file = GetObjectFile(); 1557 if (obj_file) 1558 return obj_file->GetVersion (versions, num_versions); 1559 1560 if (versions && num_versions) 1561 { 1562 for (uint32_t i=0; i<num_versions; ++i) 1563 versions[i] = UINT32_MAX; 1564 } 1565 return 0; 1566 } 1567 1568 void 1569 Module::PrepareForFunctionNameLookup (const ConstString &name, 1570 uint32_t name_type_mask, 1571 ConstString &lookup_name, 1572 uint32_t &lookup_name_type_mask, 1573 bool &match_name_after_lookup) 1574 { 1575 const char *name_cstr = name.GetCString(); 1576 lookup_name_type_mask = eFunctionNameTypeNone; 1577 match_name_after_lookup = false; 1578 const char *base_name_start = NULL; 1579 const char *base_name_end = NULL; 1580 1581 if (name_type_mask & eFunctionNameTypeAuto) 1582 { 1583 if (CPPLanguageRuntime::IsCPPMangledName (name_cstr)) 1584 lookup_name_type_mask = eFunctionNameTypeFull; 1585 else if (ObjCLanguageRuntime::IsPossibleObjCMethodName (name_cstr)) 1586 lookup_name_type_mask = eFunctionNameTypeFull; 1587 else 1588 { 1589 if (ObjCLanguageRuntime::IsPossibleObjCSelector(name_cstr)) 1590 lookup_name_type_mask |= eFunctionNameTypeSelector; 1591 1592 CPPLanguageRuntime::MethodName cpp_method (name); 1593 llvm::StringRef basename (cpp_method.GetBasename()); 1594 if (basename.empty()) 1595 { 1596 if (CPPLanguageRuntime::StripNamespacesFromVariableName (name_cstr, base_name_start, base_name_end)) 1597 lookup_name_type_mask |= (eFunctionNameTypeMethod | eFunctionNameTypeBase); 1598 } 1599 else 1600 { 1601 base_name_start = basename.data(); 1602 base_name_end = base_name_start + basename.size(); 1603 lookup_name_type_mask |= (eFunctionNameTypeMethod | eFunctionNameTypeBase); 1604 } 1605 } 1606 } 1607 else 1608 { 1609 lookup_name_type_mask = name_type_mask; 1610 if (lookup_name_type_mask & eFunctionNameTypeMethod || name_type_mask & eFunctionNameTypeBase) 1611 { 1612 // If they've asked for a CPP method or function name and it can't be that, we don't 1613 // even need to search for CPP methods or names. 1614 CPPLanguageRuntime::MethodName cpp_method (name); 1615 if (cpp_method.IsValid()) 1616 { 1617 llvm::StringRef basename (cpp_method.GetBasename()); 1618 base_name_start = basename.data(); 1619 base_name_end = base_name_start + basename.size(); 1620 1621 if (!cpp_method.GetQualifiers().empty()) 1622 { 1623 // There is a "const" or other qualifer following the end of the fucntion parens, 1624 // this can't be a eFunctionNameTypeBase 1625 lookup_name_type_mask &= ~(eFunctionNameTypeBase); 1626 if (lookup_name_type_mask == eFunctionNameTypeNone) 1627 return; 1628 } 1629 } 1630 else 1631 { 1632 if (!CPPLanguageRuntime::StripNamespacesFromVariableName (name_cstr, base_name_start, base_name_end)) 1633 { 1634 lookup_name_type_mask &= ~(eFunctionNameTypeMethod | eFunctionNameTypeBase); 1635 if (lookup_name_type_mask == eFunctionNameTypeNone) 1636 return; 1637 } 1638 } 1639 } 1640 1641 if (lookup_name_type_mask & eFunctionNameTypeSelector) 1642 { 1643 if (!ObjCLanguageRuntime::IsPossibleObjCSelector(name_cstr)) 1644 { 1645 lookup_name_type_mask &= ~(eFunctionNameTypeSelector); 1646 if (lookup_name_type_mask == eFunctionNameTypeNone) 1647 return; 1648 } 1649 } 1650 } 1651 1652 if (base_name_start && 1653 base_name_end && 1654 base_name_start != name_cstr && 1655 base_name_start < base_name_end) 1656 { 1657 // The name supplied was a partial C++ path like "a::count". In this case we want to do a 1658 // lookup on the basename "count" and then make sure any matching results contain "a::count" 1659 // so that it would match "b::a::count" and "a::count". This is why we set "match_name_after_lookup" 1660 // to true 1661 lookup_name.SetCStringWithLength(base_name_start, base_name_end - base_name_start); 1662 match_name_after_lookup = true; 1663 } 1664 else 1665 { 1666 // The name is already correct, just use the exact name as supplied, and we won't need 1667 // to check if any matches contain "name" 1668 lookup_name = name; 1669 match_name_after_lookup = false; 1670 } 1671 } 1672