Module.cpp revision 08205a649cf8a94477f7f9ab8e42dd95ebfc9626
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/Core/Module.h" 11#include "lldb/Core/Log.h" 12#include "lldb/Core/ModuleList.h" 13#include "lldb/Core/RegularExpression.h" 14#include "lldb/Core/StreamString.h" 15#include "lldb/Core/Timer.h" 16#include "lldb/Host/Host.h" 17#include "lldb/lldb-private-log.h" 18#include "lldb/Symbol/ObjectFile.h" 19#include "lldb/Symbol/SymbolContext.h" 20#include "lldb/Symbol/SymbolVendor.h" 21 22using namespace lldb; 23using namespace lldb_private; 24 25// Shared pointers to modules track module lifetimes in 26// targets and in the global module, but this collection 27// will track all module objects that are still alive 28typedef std::vector<Module *> ModuleCollection; 29 30static ModuleCollection & 31GetModuleCollection() 32{ 33 // This module collection needs to live past any module, so we could either make it a 34 // shared pointer in each module or just leak is. Since it is only an empty vector by 35 // the time all the modules have gone away, we just leak it for now. If we decide this 36 // is a big problem we can introduce a Finalize method that will tear everything down in 37 // a predictable order. 38 39 static ModuleCollection *g_module_collection = NULL; 40 if (g_module_collection == NULL) 41 g_module_collection = new ModuleCollection(); 42 43 return *g_module_collection; 44} 45 46Mutex * 47Module::GetAllocationModuleCollectionMutex() 48{ 49 // NOTE: The mutex below must be leaked since the global module list in 50 // the ModuleList class will get torn at some point, and we can't know 51 // if it will tear itself down before the "g_module_collection_mutex" below 52 // will. So we leak a Mutex object below to safeguard against that 53 54 static Mutex *g_module_collection_mutex = NULL; 55 if (g_module_collection_mutex == NULL) 56 g_module_collection_mutex = new Mutex (Mutex::eMutexTypeRecursive); // NOTE: known leak 57 return g_module_collection_mutex; 58} 59 60size_t 61Module::GetNumberAllocatedModules () 62{ 63 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 64 return GetModuleCollection().size(); 65} 66 67Module * 68Module::GetAllocatedModuleAtIndex (size_t idx) 69{ 70 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 71 ModuleCollection &modules = GetModuleCollection(); 72 if (idx < modules.size()) 73 return modules[idx]; 74 return NULL; 75} 76#if 0 77 78// These functions help us to determine if modules are still loaded, yet don't require that 79// you have a command interpreter and can easily be called from an external debugger. 80namespace lldb { 81 82 void 83 ClearModuleInfo (void) 84 { 85 ModuleList::RemoveOrphanSharedModules(); 86 } 87 88 void 89 DumpModuleInfo (void) 90 { 91 Mutex::Locker locker (Module::GetAllocationModuleCollectionMutex()); 92 ModuleCollection &modules = GetModuleCollection(); 93 const size_t count = modules.size(); 94 printf ("%s: %zu modules:\n", __PRETTY_FUNCTION__, count); 95 for (size_t i=0; i<count; ++i) 96 { 97 98 StreamString strm; 99 Module *module = modules[i]; 100 const bool in_shared_module_list = ModuleList::ModuleIsInCache (module); 101 module->GetDescription(&strm, eDescriptionLevelFull); 102 printf ("%p: shared = %i, ref_count = %3u, module = %s\n", 103 module, 104 in_shared_module_list, 105 (uint32_t)module->use_count(), 106 strm.GetString().c_str()); 107 } 108 } 109} 110 111#endif 112 113 114Module::Module(const FileSpec& file_spec, const ArchSpec& arch, const ConstString *object_name, off_t object_offset) : 115 m_mutex (Mutex::eMutexTypeRecursive), 116 m_mod_time (file_spec.GetModificationTime()), 117 m_arch (arch), 118 m_uuid (), 119 m_file (file_spec), 120 m_platform_file(), 121 m_object_name (), 122 m_object_offset (object_offset), 123 m_objfile_sp (), 124 m_symfile_ap (), 125 m_ast (), 126 m_did_load_objfile (false), 127 m_did_load_symbol_vendor (false), 128 m_did_parse_uuid (false), 129 m_did_init_ast (false), 130 m_is_dynamic_loader_module (false), 131 m_was_modified (false) 132{ 133 // Scope for locker below... 134 { 135 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 136 GetModuleCollection().push_back(this); 137 } 138 139 if (object_name) 140 m_object_name = *object_name; 141 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); 142 if (log) 143 log->Printf ("%p Module::Module((%s) '%s/%s%s%s%s')", 144 this, 145 m_arch.GetArchitectureName(), 146 m_file.GetDirectory().AsCString(""), 147 m_file.GetFilename().AsCString(""), 148 m_object_name.IsEmpty() ? "" : "(", 149 m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), 150 m_object_name.IsEmpty() ? "" : ")"); 151} 152 153Module::~Module() 154{ 155 // Scope for locker below... 156 { 157 Mutex::Locker locker (GetAllocationModuleCollectionMutex()); 158 ModuleCollection &modules = GetModuleCollection(); 159 ModuleCollection::iterator end = modules.end(); 160 ModuleCollection::iterator pos = std::find(modules.begin(), end, this); 161 if (pos != end) 162 modules.erase(pos); 163 } 164 LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT)); 165 if (log) 166 log->Printf ("%p Module::~Module((%s) '%s/%s%s%s%s')", 167 this, 168 m_arch.GetArchitectureName(), 169 m_file.GetDirectory().AsCString(""), 170 m_file.GetFilename().AsCString(""), 171 m_object_name.IsEmpty() ? "" : "(", 172 m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""), 173 m_object_name.IsEmpty() ? "" : ")"); 174 // Release any auto pointers before we start tearing down our member 175 // variables since the object file and symbol files might need to make 176 // function calls back into this module object. The ordering is important 177 // here because symbol files can require the module object file. So we tear 178 // down the symbol file first, then the object file. 179 m_symfile_ap.reset(); 180 m_objfile_sp.reset(); 181} 182 183 184const lldb_private::UUID& 185Module::GetUUID() 186{ 187 Mutex::Locker locker (m_mutex); 188 if (m_did_parse_uuid == false) 189 { 190 ObjectFile * obj_file = GetObjectFile (); 191 192 if (obj_file != NULL) 193 { 194 obj_file->GetUUID(&m_uuid); 195 m_did_parse_uuid = true; 196 } 197 } 198 return m_uuid; 199} 200 201ClangASTContext & 202Module::GetClangASTContext () 203{ 204 Mutex::Locker locker (m_mutex); 205 if (m_did_init_ast == false) 206 { 207 ObjectFile * objfile = GetObjectFile(); 208 ArchSpec object_arch; 209 if (objfile && objfile->GetArchitecture(object_arch)) 210 { 211 m_did_init_ast = true; 212 m_ast.SetArchitecture (object_arch); 213 } 214 } 215 return m_ast; 216} 217 218void 219Module::ParseAllDebugSymbols() 220{ 221 Mutex::Locker locker (m_mutex); 222 uint32_t num_comp_units = GetNumCompileUnits(); 223 if (num_comp_units == 0) 224 return; 225 226 SymbolContext sc; 227 sc.module_sp = this; 228 uint32_t cu_idx; 229 SymbolVendor *symbols = GetSymbolVendor (); 230 231 for (cu_idx = 0; cu_idx < num_comp_units; cu_idx++) 232 { 233 sc.comp_unit = symbols->GetCompileUnitAtIndex(cu_idx).get(); 234 if (sc.comp_unit) 235 { 236 sc.function = NULL; 237 symbols->ParseVariablesForContext(sc); 238 239 symbols->ParseCompileUnitFunctions(sc); 240 241 uint32_t func_idx; 242 for (func_idx = 0; (sc.function = sc.comp_unit->GetFunctionAtIndex(func_idx).get()) != NULL; ++func_idx) 243 { 244 symbols->ParseFunctionBlocks(sc); 245 246 // Parse the variables for this function and all its blocks 247 symbols->ParseVariablesForContext(sc); 248 } 249 250 251 // Parse all types for this compile unit 252 sc.function = NULL; 253 symbols->ParseTypes(sc); 254 } 255 } 256} 257 258void 259Module::CalculateSymbolContext(SymbolContext* sc) 260{ 261 sc->module_sp = this; 262} 263 264Module * 265Module::CalculateSymbolContextModule () 266{ 267 return this; 268} 269 270void 271Module::DumpSymbolContext(Stream *s) 272{ 273 s->Printf(", Module{%p}", this); 274} 275 276uint32_t 277Module::GetNumCompileUnits() 278{ 279 Mutex::Locker locker (m_mutex); 280 Timer scoped_timer(__PRETTY_FUNCTION__, "Module::GetNumCompileUnits (module = %p)", this); 281 SymbolVendor *symbols = GetSymbolVendor (); 282 if (symbols) 283 return symbols->GetNumCompileUnits(); 284 return 0; 285} 286 287CompUnitSP 288Module::GetCompileUnitAtIndex (uint32_t index) 289{ 290 Mutex::Locker locker (m_mutex); 291 uint32_t num_comp_units = GetNumCompileUnits (); 292 CompUnitSP cu_sp; 293 294 if (index < num_comp_units) 295 { 296 SymbolVendor *symbols = GetSymbolVendor (); 297 if (symbols) 298 cu_sp = symbols->GetCompileUnitAtIndex(index); 299 } 300 return cu_sp; 301} 302 303bool 304Module::ResolveFileAddress (lldb::addr_t vm_addr, Address& so_addr) 305{ 306 Mutex::Locker locker (m_mutex); 307 Timer scoped_timer(__PRETTY_FUNCTION__, "Module::ResolveFileAddress (vm_addr = 0x%llx)", vm_addr); 308 ObjectFile* ofile = GetObjectFile(); 309 if (ofile) 310 return so_addr.ResolveAddressUsingFileSections(vm_addr, ofile->GetSectionList()); 311 return false; 312} 313 314uint32_t 315Module::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc) 316{ 317 Mutex::Locker locker (m_mutex); 318 uint32_t resolved_flags = 0; 319 320 // Clear the result symbol context in case we don't find anything 321 sc.Clear(); 322 323 // Get the section from the section/offset address. 324 const Section *section = so_addr.GetSection(); 325 326 // Make sure the section matches this module before we try and match anything 327 if (section && section->GetModule() == this) 328 { 329 // If the section offset based address resolved itself, then this 330 // is the right module. 331 sc.module_sp = this; 332 resolved_flags |= eSymbolContextModule; 333 334 // Resolve the compile unit, function, block, line table or line 335 // entry if requested. 336 if (resolve_scope & eSymbolContextCompUnit || 337 resolve_scope & eSymbolContextFunction || 338 resolve_scope & eSymbolContextBlock || 339 resolve_scope & eSymbolContextLineEntry ) 340 { 341 SymbolVendor *symbols = GetSymbolVendor (); 342 if (symbols) 343 resolved_flags |= symbols->ResolveSymbolContext (so_addr, resolve_scope, sc); 344 } 345 346 // Resolve the symbol if requested, but don't re-look it up if we've already found it. 347 if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol)) 348 { 349 ObjectFile* ofile = GetObjectFile(); 350 if (ofile) 351 { 352 Symtab *symtab = ofile->GetSymtab(); 353 if (symtab) 354 { 355 if (so_addr.IsSectionOffset()) 356 { 357 sc.symbol = symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress()); 358 if (sc.symbol) 359 resolved_flags |= eSymbolContextSymbol; 360 } 361 } 362 } 363 } 364 } 365 return resolved_flags; 366} 367 368uint32_t 369Module::ResolveSymbolContextForFilePath 370( 371 const char *file_path, 372 uint32_t line, 373 bool check_inlines, 374 uint32_t resolve_scope, 375 SymbolContextList& sc_list 376) 377{ 378 FileSpec file_spec(file_path, false); 379 return ResolveSymbolContextsForFileSpec (file_spec, line, check_inlines, resolve_scope, sc_list); 380} 381 382uint32_t 383Module::ResolveSymbolContextsForFileSpec (const FileSpec &file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list) 384{ 385 Mutex::Locker locker (m_mutex); 386 Timer scoped_timer(__PRETTY_FUNCTION__, 387 "Module::ResolveSymbolContextForFilePath (%s%s%s:%u, check_inlines = %s, resolve_scope = 0x%8.8x)", 388 file_spec.GetDirectory().AsCString(""), 389 file_spec.GetDirectory() ? "/" : "", 390 file_spec.GetFilename().AsCString(""), 391 line, 392 check_inlines ? "yes" : "no", 393 resolve_scope); 394 395 const uint32_t initial_count = sc_list.GetSize(); 396 397 SymbolVendor *symbols = GetSymbolVendor (); 398 if (symbols) 399 symbols->ResolveSymbolContext (file_spec, line, check_inlines, resolve_scope, sc_list); 400 401 return sc_list.GetSize() - initial_count; 402} 403 404 405uint32_t 406Module::FindGlobalVariables(const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, VariableList& variables) 407{ 408 SymbolVendor *symbols = GetSymbolVendor (); 409 if (symbols) 410 return symbols->FindGlobalVariables(name, namespace_decl, append, max_matches, variables); 411 return 0; 412} 413uint32_t 414Module::FindGlobalVariables(const RegularExpression& regex, bool append, uint32_t max_matches, VariableList& variables) 415{ 416 SymbolVendor *symbols = GetSymbolVendor (); 417 if (symbols) 418 return symbols->FindGlobalVariables(regex, append, max_matches, variables); 419 return 0; 420} 421 422uint32_t 423Module::FindCompileUnits (const FileSpec &path, 424 bool append, 425 SymbolContextList &sc_list) 426{ 427 if (!append) 428 sc_list.Clear(); 429 430 const uint32_t start_size = sc_list.GetSize(); 431 const uint32_t num_compile_units = GetNumCompileUnits(); 432 SymbolContext sc; 433 sc.module_sp = this; 434 const bool compare_directory = path.GetDirectory(); 435 for (uint32_t i=0; i<num_compile_units; ++i) 436 { 437 sc.comp_unit = GetCompileUnitAtIndex(i).get(); 438 if (FileSpec::Equal (*sc.comp_unit, path, compare_directory)) 439 sc_list.Append(sc); 440 } 441 return sc_list.GetSize() - start_size; 442} 443 444uint32_t 445Module::FindFunctions (const ConstString &name, 446 const ClangNamespaceDecl *namespace_decl, 447 uint32_t name_type_mask, 448 bool include_symbols, 449 bool append, 450 SymbolContextList& sc_list) 451{ 452 if (!append) 453 sc_list.Clear(); 454 455 const uint32_t start_size = sc_list.GetSize(); 456 457 // Find all the functions (not symbols, but debug information functions... 458 SymbolVendor *symbols = GetSymbolVendor (); 459 if (symbols) 460 symbols->FindFunctions(name, namespace_decl, name_type_mask, append, sc_list); 461 462 // Now check our symbol table for symbols that are code symbols if requested 463 if (include_symbols) 464 { 465 ObjectFile *objfile = GetObjectFile(); 466 if (objfile) 467 { 468 Symtab *symtab = objfile->GetSymtab(); 469 if (symtab) 470 { 471 std::vector<uint32_t> symbol_indexes; 472 symtab->FindAllSymbolsWithNameAndType (name, eSymbolTypeCode, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); 473 const uint32_t num_matches = symbol_indexes.size(); 474 if (num_matches) 475 { 476 const bool merge_symbol_into_function = true; 477 SymbolContext sc(this); 478 for (uint32_t i=0; i<num_matches; i++) 479 { 480 sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); 481 sc_list.AppendIfUnique (sc, merge_symbol_into_function); 482 } 483 } 484 } 485 } 486 } 487 return sc_list.GetSize() - start_size; 488} 489 490uint32_t 491Module::FindFunctions (const RegularExpression& regex, 492 bool include_symbols, 493 bool append, 494 SymbolContextList& sc_list) 495{ 496 if (!append) 497 sc_list.Clear(); 498 499 const uint32_t start_size = sc_list.GetSize(); 500 501 SymbolVendor *symbols = GetSymbolVendor (); 502 if (symbols) 503 symbols->FindFunctions(regex, append, sc_list); 504 // Now check our symbol table for symbols that are code symbols if requested 505 if (include_symbols) 506 { 507 ObjectFile *objfile = GetObjectFile(); 508 if (objfile) 509 { 510 Symtab *symtab = objfile->GetSymtab(); 511 if (symtab) 512 { 513 std::vector<uint32_t> symbol_indexes; 514 symtab->AppendSymbolIndexesMatchingRegExAndType (regex, eSymbolTypeCode, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); 515 const uint32_t num_matches = symbol_indexes.size(); 516 if (num_matches) 517 { 518 const bool merge_symbol_into_function = true; 519 SymbolContext sc(this); 520 for (uint32_t i=0; i<num_matches; i++) 521 { 522 sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]); 523 sc_list.AppendIfUnique (sc, merge_symbol_into_function); 524 } 525 } 526 } 527 } 528 } 529 return sc_list.GetSize() - start_size; 530} 531 532uint32_t 533Module::FindTypes_Impl (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, TypeList& types) 534{ 535 Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); 536 if (sc.module_sp.get() == NULL || sc.module_sp.get() == this) 537 { 538 SymbolVendor *symbols = GetSymbolVendor (); 539 if (symbols) 540 return symbols->FindTypes(sc, name, namespace_decl, append, max_matches, types); 541 } 542 return 0; 543} 544 545// depending on implementation details, type lookup might fail because of 546// embedded spurious namespace:: prefixes. this call strips them, paying 547// attention to the fact that a type might have namespace'd type names as 548// arguments to templates, and those must not be stripped off 549static const char* 550StripTypeName(const char* name_cstr) 551{ 552 // Protect against null c string. 553 if (!name_cstr) 554 return name_cstr; 555 const char* skip_namespace = strstr(name_cstr, "::"); 556 const char* template_arg_char = strchr(name_cstr, '<'); 557 while (skip_namespace != NULL) 558 { 559 if (template_arg_char != NULL && 560 skip_namespace > template_arg_char) // but namespace'd template arguments are still good to go 561 break; 562 name_cstr = skip_namespace+2; 563 skip_namespace = strstr(name_cstr, "::"); 564 } 565 return name_cstr; 566} 567 568uint32_t 569Module::FindTypes (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, TypeList& types) 570{ 571 uint32_t retval = FindTypes_Impl(sc, name, namespace_decl, append, max_matches, types); 572 573 if (retval == 0) 574 { 575 const char *orig_name = name.GetCString(); 576 const char *stripped = StripTypeName(orig_name); 577 // Only do this lookup if StripTypeName has stripped the name: 578 if (stripped != orig_name) 579 return FindTypes_Impl(sc, ConstString(stripped), namespace_decl, append, max_matches, types); 580 else 581 return 0; 582 } 583 else 584 return retval; 585 586} 587 588//uint32_t 589//Module::FindTypes(const SymbolContext& sc, const RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding encoding, const char *udt_name, TypeList& types) 590//{ 591// Timer scoped_timer(__PRETTY_FUNCTION__); 592// SymbolVendor *symbols = GetSymbolVendor (); 593// if (symbols) 594// return symbols->FindTypes(sc, regex, append, max_matches, encoding, udt_name, types); 595// return 0; 596// 597//} 598 599SymbolVendor* 600Module::GetSymbolVendor (bool can_create) 601{ 602 Mutex::Locker locker (m_mutex); 603 if (m_did_load_symbol_vendor == false && can_create) 604 { 605 ObjectFile *obj_file = GetObjectFile (); 606 if (obj_file != NULL) 607 { 608 Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); 609 m_symfile_ap.reset(SymbolVendor::FindPlugin(this)); 610 m_did_load_symbol_vendor = true; 611 } 612 } 613 return m_symfile_ap.get(); 614} 615 616void 617Module::SetFileSpecAndObjectName (const FileSpec &file, const ConstString &object_name) 618{ 619 // Container objects whose paths do not specify a file directly can call 620 // this function to correct the file and object names. 621 m_file = file; 622 m_mod_time = file.GetModificationTime(); 623 m_object_name = object_name; 624} 625 626const ArchSpec& 627Module::GetArchitecture () const 628{ 629 return m_arch; 630} 631 632void 633Module::GetDescription (Stream *s, lldb::DescriptionLevel level) 634{ 635 Mutex::Locker locker (m_mutex); 636 637 if (level >= eDescriptionLevelFull) 638 { 639 if (m_arch.IsValid()) 640 s->Printf("(%s) ", m_arch.GetArchitectureName()); 641 } 642 643 if (level == eDescriptionLevelBrief) 644 { 645 const char *filename = m_file.GetFilename().GetCString(); 646 if (filename) 647 s->PutCString (filename); 648 } 649 else 650 { 651 char path[PATH_MAX]; 652 if (m_file.GetPath(path, sizeof(path))) 653 s->PutCString(path); 654 } 655 656 const char *object_name = m_object_name.GetCString(); 657 if (object_name) 658 s->Printf("(%s)", object_name); 659} 660 661void 662Module::ReportError (const char *format, ...) 663{ 664 if (format && format[0]) 665 { 666 StreamString strm; 667 strm.PutCString("error: "); 668 GetDescription(&strm, lldb::eDescriptionLevelBrief); 669 strm.PutChar (' '); 670 va_list args; 671 va_start (args, format); 672 strm.PrintfVarArg(format, args); 673 va_end (args); 674 675 const int format_len = strlen(format); 676 if (format_len > 0) 677 { 678 const char last_char = format[format_len-1]; 679 if (last_char != '\n' || last_char != '\r') 680 strm.EOL(); 681 } 682 Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str()); 683 684 } 685} 686 687void 688Module::ReportErrorIfModifyDetected (const char *format, ...) 689{ 690 if (!GetModified(true) && GetModified(false)) 691 { 692 if (format) 693 { 694 StreamString strm; 695 strm.PutCString("error: the object file "); 696 GetDescription(&strm, lldb::eDescriptionLevelFull); 697 strm.PutCString (" has been modified\n"); 698 699 va_list args; 700 va_start (args, format); 701 strm.PrintfVarArg(format, args); 702 va_end (args); 703 704 const int format_len = strlen(format); 705 if (format_len > 0) 706 { 707 const char last_char = format[format_len-1]; 708 if (last_char != '\n' || last_char != '\r') 709 strm.EOL(); 710 } 711 strm.PutCString("The debug session should be aborted as the original debug information has been overwritten.\n"); 712 Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str()); 713 } 714 } 715} 716 717void 718Module::ReportWarning (const char *format, ...) 719{ 720 if (format && format[0]) 721 { 722 StreamString strm; 723 strm.PutCString("warning: "); 724 GetDescription(&strm, lldb::eDescriptionLevelFull); 725 strm.PutChar (' '); 726 727 va_list args; 728 va_start (args, format); 729 strm.PrintfVarArg(format, args); 730 va_end (args); 731 732 const int format_len = strlen(format); 733 if (format_len > 0) 734 { 735 const char last_char = format[format_len-1]; 736 if (last_char != '\n' || last_char != '\r') 737 strm.EOL(); 738 } 739 Host::SystemLog (Host::eSystemLogWarning, "%s", strm.GetString().c_str()); 740 } 741} 742 743void 744Module::LogMessage (Log *log, const char *format, ...) 745{ 746 if (log) 747 { 748 StreamString log_message; 749 GetDescription(&log_message, lldb::eDescriptionLevelFull); 750 log_message.PutCString (": "); 751 va_list args; 752 va_start (args, format); 753 log_message.PrintfVarArg (format, args); 754 va_end (args); 755 log->PutCString(log_message.GetString().c_str()); 756 } 757} 758 759bool 760Module::GetModified (bool use_cached_only) 761{ 762 if (m_was_modified == false && use_cached_only == false) 763 { 764 TimeValue curr_mod_time (m_file.GetModificationTime()); 765 m_was_modified = curr_mod_time != m_mod_time; 766 } 767 return m_was_modified; 768} 769 770bool 771Module::SetModified (bool b) 772{ 773 const bool prev_value = m_was_modified; 774 m_was_modified = b; 775 return prev_value; 776} 777 778 779void 780Module::Dump(Stream *s) 781{ 782 Mutex::Locker locker (m_mutex); 783 //s->Printf("%.*p: ", (int)sizeof(void*) * 2, this); 784 s->Indent(); 785 s->Printf("Module %s/%s%s%s%s\n", 786 m_file.GetDirectory().AsCString(), 787 m_file.GetFilename().AsCString(), 788 m_object_name ? "(" : "", 789 m_object_name ? m_object_name.GetCString() : "", 790 m_object_name ? ")" : ""); 791 792 s->IndentMore(); 793 ObjectFile *objfile = GetObjectFile (); 794 795 if (objfile) 796 objfile->Dump(s); 797 798 SymbolVendor *symbols = GetSymbolVendor (); 799 800 if (symbols) 801 symbols->Dump(s); 802 803 s->IndentLess(); 804} 805 806 807TypeList* 808Module::GetTypeList () 809{ 810 SymbolVendor *symbols = GetSymbolVendor (); 811 if (symbols) 812 return &symbols->GetTypeList(); 813 return NULL; 814} 815 816const ConstString & 817Module::GetObjectName() const 818{ 819 return m_object_name; 820} 821 822ObjectFile * 823Module::GetObjectFile() 824{ 825 Mutex::Locker locker (m_mutex); 826 if (m_did_load_objfile == false) 827 { 828 m_did_load_objfile = true; 829 Timer scoped_timer(__PRETTY_FUNCTION__, 830 "Module::GetObjectFile () module = %s", GetFileSpec().GetFilename().AsCString("")); 831 DataBufferSP file_data_sp; 832 m_objfile_sp = ObjectFile::FindPlugin(this, &m_file, m_object_offset, m_file.GetByteSize(), file_data_sp); 833 if (m_objfile_sp) 834 { 835 // Once we get the object file, update our module with the object file's 836 // architecture since it might differ in vendor/os if some parts were 837 // unknown. 838 m_objfile_sp->GetArchitecture (m_arch); 839 } 840 } 841 return m_objfile_sp.get(); 842} 843 844 845const Symbol * 846Module::FindFirstSymbolWithNameAndType (const ConstString &name, SymbolType symbol_type) 847{ 848 Timer scoped_timer(__PRETTY_FUNCTION__, 849 "Module::FindFirstSymbolWithNameAndType (name = %s, type = %i)", 850 name.AsCString(), 851 symbol_type); 852 ObjectFile *objfile = GetObjectFile(); 853 if (objfile) 854 { 855 Symtab *symtab = objfile->GetSymtab(); 856 if (symtab) 857 return symtab->FindFirstSymbolWithNameAndType (name, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny); 858 } 859 return NULL; 860} 861void 862Module::SymbolIndicesToSymbolContextList (Symtab *symtab, std::vector<uint32_t> &symbol_indexes, SymbolContextList &sc_list) 863{ 864 // No need to protect this call using m_mutex all other method calls are 865 // already thread safe. 866 867 size_t num_indices = symbol_indexes.size(); 868 if (num_indices > 0) 869 { 870 SymbolContext sc; 871 CalculateSymbolContext (&sc); 872 for (size_t i = 0; i < num_indices; i++) 873 { 874 sc.symbol = symtab->SymbolAtIndex (symbol_indexes[i]); 875 if (sc.symbol) 876 sc_list.Append (sc); 877 } 878 } 879} 880 881size_t 882Module::FindSymbolsWithNameAndType (const ConstString &name, SymbolType symbol_type, SymbolContextList &sc_list) 883{ 884 // No need to protect this call using m_mutex all other method calls are 885 // already thread safe. 886 887 888 Timer scoped_timer(__PRETTY_FUNCTION__, 889 "Module::FindSymbolsWithNameAndType (name = %s, type = %i)", 890 name.AsCString(), 891 symbol_type); 892 const size_t initial_size = sc_list.GetSize(); 893 ObjectFile *objfile = GetObjectFile (); 894 if (objfile) 895 { 896 Symtab *symtab = objfile->GetSymtab(); 897 if (symtab) 898 { 899 std::vector<uint32_t> symbol_indexes; 900 symtab->FindAllSymbolsWithNameAndType (name, symbol_type, symbol_indexes); 901 SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list); 902 } 903 } 904 return sc_list.GetSize() - initial_size; 905} 906 907size_t 908Module::FindSymbolsMatchingRegExAndType (const RegularExpression ®ex, SymbolType symbol_type, SymbolContextList &sc_list) 909{ 910 // No need to protect this call using m_mutex all other method calls are 911 // already thread safe. 912 913 Timer scoped_timer(__PRETTY_FUNCTION__, 914 "Module::FindSymbolsMatchingRegExAndType (regex = %s, type = %i)", 915 regex.GetText(), 916 symbol_type); 917 const size_t initial_size = sc_list.GetSize(); 918 ObjectFile *objfile = GetObjectFile (); 919 if (objfile) 920 { 921 Symtab *symtab = objfile->GetSymtab(); 922 if (symtab) 923 { 924 std::vector<uint32_t> symbol_indexes; 925 symtab->FindAllSymbolsMatchingRexExAndType (regex, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes); 926 SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list); 927 } 928 } 929 return sc_list.GetSize() - initial_size; 930} 931 932const TimeValue & 933Module::GetModificationTime () const 934{ 935 return m_mod_time; 936} 937 938bool 939Module::IsExecutable () 940{ 941 if (GetObjectFile() == NULL) 942 return false; 943 else 944 return GetObjectFile()->IsExecutable(); 945} 946 947bool 948Module::IsLoadedInTarget (Target *target) 949{ 950 ObjectFile *obj_file = GetObjectFile(); 951 if (obj_file) 952 { 953 SectionList *sections = obj_file->GetSectionList(); 954 if (sections != NULL) 955 { 956 size_t num_sections = sections->GetSize(); 957 for (size_t sect_idx = 0; sect_idx < num_sections; sect_idx++) 958 { 959 SectionSP section_sp = sections->GetSectionAtIndex(sect_idx); 960 if (section_sp->GetLoadBaseAddress(target) != LLDB_INVALID_ADDRESS) 961 { 962 return true; 963 } 964 } 965 } 966 } 967 return false; 968} 969bool 970Module::SetArchitecture (const ArchSpec &new_arch) 971{ 972 if (!m_arch.IsValid()) 973 { 974 m_arch = new_arch; 975 return true; 976 } 977 return m_arch == new_arch; 978} 979 980