1 //===-- SymbolContext.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/Symbol/SymbolContext.h" 11 12 #include "lldb/Core/Log.h" 13 #include "lldb/Core/Module.h" 14 #include "lldb/Core/ModuleSpec.h" 15 #include "lldb/Host/Host.h" 16 #include "lldb/Interpreter/Args.h" 17 #include "lldb/Symbol/Block.h" 18 #include "lldb/Symbol/ClangASTContext.h" 19 #include "lldb/Symbol/CompileUnit.h" 20 #include "lldb/Symbol/ObjectFile.h" 21 #include "lldb/Symbol/Symbol.h" 22 #include "lldb/Symbol/SymbolFile.h" 23 #include "lldb/Symbol/SymbolVendor.h" 24 #include "lldb/Target/Target.h" 25 26 using namespace lldb; 27 using namespace lldb_private; 28 29 SymbolContext::SymbolContext() : 30 target_sp (), 31 module_sp (), 32 comp_unit (NULL), 33 function (NULL), 34 block (NULL), 35 line_entry (), 36 symbol (NULL) 37 { 38 } 39 40 SymbolContext::SymbolContext(const ModuleSP& m, CompileUnit *cu, Function *f, Block *b, LineEntry *le, Symbol *s) : 41 target_sp (), 42 module_sp (m), 43 comp_unit (cu), 44 function (f), 45 block (b), 46 line_entry (), 47 symbol (s) 48 { 49 if (le) 50 line_entry = *le; 51 } 52 53 SymbolContext::SymbolContext(const TargetSP &t, const ModuleSP& m, CompileUnit *cu, Function *f, Block *b, LineEntry *le, Symbol *s) : 54 target_sp (t), 55 module_sp (m), 56 comp_unit (cu), 57 function (f), 58 block (b), 59 line_entry (), 60 symbol (s) 61 { 62 if (le) 63 line_entry = *le; 64 } 65 66 SymbolContext::SymbolContext(const SymbolContext& rhs) : 67 target_sp (rhs.target_sp), 68 module_sp (rhs.module_sp), 69 comp_unit (rhs.comp_unit), 70 function (rhs.function), 71 block (rhs.block), 72 line_entry (rhs.line_entry), 73 symbol (rhs.symbol) 74 { 75 } 76 77 78 SymbolContext::SymbolContext (SymbolContextScope *sc_scope) : 79 target_sp (), 80 module_sp (), 81 comp_unit (NULL), 82 function (NULL), 83 block (NULL), 84 line_entry (), 85 symbol (NULL) 86 { 87 sc_scope->CalculateSymbolContext (this); 88 } 89 90 SymbolContext::~SymbolContext () 91 { 92 } 93 94 const SymbolContext& 95 SymbolContext::operator= (const SymbolContext& rhs) 96 { 97 if (this != &rhs) 98 { 99 target_sp = rhs.target_sp; 100 module_sp = rhs.module_sp; 101 comp_unit = rhs.comp_unit; 102 function = rhs.function; 103 block = rhs.block; 104 line_entry = rhs.line_entry; 105 symbol = rhs.symbol; 106 } 107 return *this; 108 } 109 110 void 111 SymbolContext::Clear(bool clear_target) 112 { 113 if (clear_target) 114 target_sp.reset(); 115 module_sp.reset(); 116 comp_unit = NULL; 117 function = NULL; 118 block = NULL; 119 line_entry.Clear(); 120 symbol = NULL; 121 } 122 123 bool 124 SymbolContext::DumpStopContext 125 ( 126 Stream *s, 127 ExecutionContextScope *exe_scope, 128 const Address &addr, 129 bool show_fullpaths, 130 bool show_module, 131 bool show_inlined_frames 132 ) const 133 { 134 bool dumped_something = false; 135 if (show_module && module_sp) 136 { 137 if (show_fullpaths) 138 *s << module_sp->GetFileSpec(); 139 else 140 *s << module_sp->GetFileSpec().GetFilename(); 141 s->PutChar('`'); 142 dumped_something = true; 143 } 144 145 if (function != NULL) 146 { 147 SymbolContext inline_parent_sc; 148 Address inline_parent_addr; 149 if (function->GetMangled().GetName()) 150 { 151 dumped_something = true; 152 function->GetMangled().GetName().Dump(s); 153 } 154 155 if (addr.IsValid()) 156 { 157 const addr_t function_offset = addr.GetOffset() - function->GetAddressRange().GetBaseAddress().GetOffset(); 158 if (function_offset) 159 { 160 dumped_something = true; 161 s->Printf(" + %" PRIu64, function_offset); 162 } 163 } 164 165 if (GetParentOfInlinedScope (addr, inline_parent_sc, inline_parent_addr)) 166 { 167 dumped_something = true; 168 Block *inlined_block = block->GetContainingInlinedBlock(); 169 const InlineFunctionInfo* inlined_block_info = inlined_block->GetInlinedFunctionInfo(); 170 s->Printf (" [inlined] %s", inlined_block_info->GetName().GetCString()); 171 172 lldb_private::AddressRange block_range; 173 if (inlined_block->GetRangeContainingAddress(addr, block_range)) 174 { 175 const addr_t inlined_function_offset = addr.GetOffset() - block_range.GetBaseAddress().GetOffset(); 176 if (inlined_function_offset) 177 { 178 s->Printf(" + %" PRIu64, inlined_function_offset); 179 } 180 } 181 const Declaration &call_site = inlined_block_info->GetCallSite(); 182 if (call_site.IsValid()) 183 { 184 s->PutCString(" at "); 185 call_site.DumpStopContext (s, show_fullpaths); 186 } 187 if (show_inlined_frames) 188 { 189 s->EOL(); 190 s->Indent(); 191 return inline_parent_sc.DumpStopContext (s, exe_scope, inline_parent_addr, show_fullpaths, show_module, show_inlined_frames); 192 } 193 } 194 else 195 { 196 if (line_entry.IsValid()) 197 { 198 dumped_something = true; 199 s->PutCString(" at "); 200 if (line_entry.DumpStopContext(s, show_fullpaths)) 201 dumped_something = true; 202 } 203 } 204 } 205 else if (symbol != NULL) 206 { 207 if (symbol->GetMangled().GetName()) 208 { 209 dumped_something = true; 210 if (symbol->GetType() == eSymbolTypeTrampoline) 211 s->PutCString("symbol stub for: "); 212 symbol->GetMangled().GetName().Dump(s); 213 } 214 215 if (addr.IsValid() && symbol->ValueIsAddress()) 216 { 217 const addr_t symbol_offset = addr.GetOffset() - symbol->GetAddress().GetOffset(); 218 if (symbol_offset) 219 { 220 dumped_something = true; 221 s->Printf(" + %" PRIu64, symbol_offset); 222 } 223 } 224 } 225 else if (addr.IsValid()) 226 { 227 addr.Dump(s, exe_scope, Address::DumpStyleModuleWithFileAddress); 228 dumped_something = true; 229 } 230 return dumped_something; 231 } 232 233 void 234 SymbolContext::GetDescription(Stream *s, lldb::DescriptionLevel level, Target *target) const 235 { 236 if (module_sp) 237 { 238 s->Indent(" Module: file = \""); 239 module_sp->GetFileSpec().Dump(s); 240 *s << '"'; 241 if (module_sp->GetArchitecture().IsValid()) 242 s->Printf (", arch = \"%s\"", module_sp->GetArchitecture().GetArchitectureName()); 243 s->EOL(); 244 } 245 246 if (comp_unit != NULL) 247 { 248 s->Indent("CompileUnit: "); 249 comp_unit->GetDescription (s, level); 250 s->EOL(); 251 } 252 253 if (function != NULL) 254 { 255 s->Indent(" Function: "); 256 function->GetDescription (s, level, target); 257 s->EOL(); 258 259 Type *func_type = function->GetType(); 260 if (func_type) 261 { 262 s->Indent(" FuncType: "); 263 func_type->GetDescription (s, level, false); 264 s->EOL(); 265 } 266 } 267 268 if (block != NULL) 269 { 270 std::vector<Block *> blocks; 271 blocks.push_back (block); 272 Block *parent_block = block->GetParent(); 273 274 while (parent_block) 275 { 276 blocks.push_back (parent_block); 277 parent_block = parent_block->GetParent(); 278 } 279 std::vector<Block *>::reverse_iterator pos; 280 std::vector<Block *>::reverse_iterator begin = blocks.rbegin(); 281 std::vector<Block *>::reverse_iterator end = blocks.rend(); 282 for (pos = begin; pos != end; ++pos) 283 { 284 if (pos == begin) 285 s->Indent(" Blocks: "); 286 else 287 s->Indent(" "); 288 (*pos)->GetDescription(s, function, level, target); 289 s->EOL(); 290 } 291 } 292 293 if (line_entry.IsValid()) 294 { 295 s->Indent(" LineEntry: "); 296 line_entry.GetDescription (s, level, comp_unit, target, false); 297 s->EOL(); 298 } 299 300 if (symbol != NULL) 301 { 302 s->Indent(" Symbol: "); 303 symbol->GetDescription(s, level, target); 304 s->EOL(); 305 } 306 } 307 308 uint32_t 309 SymbolContext::GetResolvedMask () const 310 { 311 uint32_t resolved_mask = 0; 312 if (target_sp) resolved_mask |= eSymbolContextTarget; 313 if (module_sp) resolved_mask |= eSymbolContextModule; 314 if (comp_unit) resolved_mask |= eSymbolContextCompUnit; 315 if (function) resolved_mask |= eSymbolContextFunction; 316 if (block) resolved_mask |= eSymbolContextBlock; 317 if (line_entry.IsValid()) resolved_mask |= eSymbolContextLineEntry; 318 if (symbol) resolved_mask |= eSymbolContextSymbol; 319 return resolved_mask; 320 } 321 322 323 void 324 SymbolContext::Dump(Stream *s, Target *target) const 325 { 326 *s << (void *)this << ": "; 327 s->Indent(); 328 s->PutCString("SymbolContext"); 329 s->IndentMore(); 330 s->EOL(); 331 s->IndentMore(); 332 s->Indent(); 333 *s << "Module = " << (void *)module_sp.get() << ' '; 334 if (module_sp) 335 module_sp->GetFileSpec().Dump(s); 336 s->EOL(); 337 s->Indent(); 338 *s << "CompileUnit = " << (void *)comp_unit; 339 if (comp_unit != NULL) 340 *s << " {0x" << comp_unit->GetID() << "} " << *(static_cast<FileSpec*> (comp_unit)); 341 s->EOL(); 342 s->Indent(); 343 *s << "Function = " << (void *)function; 344 if (function != NULL) 345 { 346 *s << " {0x" << function->GetID() << "} " << function->GetType()->GetName() << ", address-range = "; 347 function->GetAddressRange().Dump(s, target, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress); 348 s->EOL(); 349 s->Indent(); 350 Type* func_type = function->GetType(); 351 if (func_type) 352 { 353 *s << " Type = "; 354 func_type->Dump (s, false); 355 } 356 } 357 s->EOL(); 358 s->Indent(); 359 *s << "Block = " << (void *)block; 360 if (block != NULL) 361 *s << " {0x" << block->GetID() << '}'; 362 // Dump the block and pass it a negative depth to we print all the parent blocks 363 //if (block != NULL) 364 // block->Dump(s, function->GetFileAddress(), INT_MIN); 365 s->EOL(); 366 s->Indent(); 367 *s << "LineEntry = "; 368 line_entry.Dump (s, target, true, Address::DumpStyleLoadAddress, Address::DumpStyleModuleWithFileAddress, true); 369 s->EOL(); 370 s->Indent(); 371 *s << "Symbol = " << (void *)symbol; 372 if (symbol != NULL && symbol->GetMangled()) 373 *s << ' ' << symbol->GetMangled().GetName().AsCString(); 374 s->EOL(); 375 s->IndentLess(); 376 s->IndentLess(); 377 } 378 379 bool 380 lldb_private::operator== (const SymbolContext& lhs, const SymbolContext& rhs) 381 { 382 return lhs.function == rhs.function 383 && lhs.symbol == rhs.symbol 384 && lhs.module_sp.get() == rhs.module_sp.get() 385 && lhs.comp_unit == rhs.comp_unit 386 && lhs.target_sp.get() == rhs.target_sp.get() 387 && LineEntry::Compare(lhs.line_entry, rhs.line_entry) == 0; 388 } 389 390 bool 391 lldb_private::operator!= (const SymbolContext& lhs, const SymbolContext& rhs) 392 { 393 return lhs.function != rhs.function 394 || lhs.symbol != rhs.symbol 395 || lhs.module_sp.get() != rhs.module_sp.get() 396 || lhs.comp_unit != rhs.comp_unit 397 || lhs.target_sp.get() != rhs.target_sp.get() 398 || LineEntry::Compare(lhs.line_entry, rhs.line_entry) != 0; 399 } 400 401 bool 402 SymbolContext::GetAddressRange (uint32_t scope, 403 uint32_t range_idx, 404 bool use_inline_block_range, 405 AddressRange &range) const 406 { 407 if ((scope & eSymbolContextLineEntry) && line_entry.IsValid()) 408 { 409 range = line_entry.range; 410 return true; 411 } 412 413 if ((scope & eSymbolContextBlock) && (block != NULL)) 414 { 415 if (use_inline_block_range) 416 { 417 Block *inline_block = block->GetContainingInlinedBlock(); 418 if (inline_block) 419 return inline_block->GetRangeAtIndex (range_idx, range); 420 } 421 else 422 { 423 return block->GetRangeAtIndex (range_idx, range); 424 } 425 } 426 427 if ((scope & eSymbolContextFunction) && (function != NULL)) 428 { 429 if (range_idx == 0) 430 { 431 range = function->GetAddressRange(); 432 return true; 433 } 434 } 435 436 if ((scope & eSymbolContextSymbol) && (symbol != NULL)) 437 { 438 if (range_idx == 0) 439 { 440 if (symbol->ValueIsAddress()) 441 { 442 range.GetBaseAddress() = symbol->GetAddress(); 443 range.SetByteSize (symbol->GetByteSize()); 444 return true; 445 } 446 } 447 } 448 range.Clear(); 449 return false; 450 } 451 452 bool 453 SymbolContext::GetParentOfInlinedScope (const Address &curr_frame_pc, 454 SymbolContext &next_frame_sc, 455 Address &next_frame_pc) const 456 { 457 next_frame_sc.Clear(false); 458 next_frame_pc.Clear(); 459 460 if (block) 461 { 462 //const addr_t curr_frame_file_addr = curr_frame_pc.GetFileAddress(); 463 464 // In order to get the parent of an inlined function we first need to 465 // see if we are in an inlined block as "this->block" could be an 466 // inlined block, or a parent of "block" could be. So lets check if 467 // this block or one of this blocks parents is an inlined function. 468 Block *curr_inlined_block = block->GetContainingInlinedBlock(); 469 if (curr_inlined_block) 470 { 471 // "this->block" is contained in an inline function block, so to 472 // get the scope above the inlined block, we get the parent of the 473 // inlined block itself 474 Block *next_frame_block = curr_inlined_block->GetParent(); 475 // Now calculate the symbol context of the containing block 476 next_frame_block->CalculateSymbolContext (&next_frame_sc); 477 478 // If we get here we weren't able to find the return line entry using the nesting of the blocks and 479 // the line table. So just use the call site info from our inlined block. 480 481 AddressRange range; 482 if (curr_inlined_block->GetRangeContainingAddress (curr_frame_pc, range)) 483 { 484 // To see there this new frame block it, we need to look at the 485 // call site information from 486 const InlineFunctionInfo* curr_inlined_block_inlined_info = curr_inlined_block->GetInlinedFunctionInfo(); 487 next_frame_pc = range.GetBaseAddress(); 488 next_frame_sc.line_entry.range.GetBaseAddress() = next_frame_pc; 489 next_frame_sc.line_entry.file = curr_inlined_block_inlined_info->GetCallSite().GetFile(); 490 next_frame_sc.line_entry.line = curr_inlined_block_inlined_info->GetCallSite().GetLine(); 491 next_frame_sc.line_entry.column = curr_inlined_block_inlined_info->GetCallSite().GetColumn(); 492 return true; 493 } 494 else 495 { 496 Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_SYMBOLS)); 497 498 if (log) 499 { 500 log->Printf ("warning: inlined block 0x%8.8" PRIx64 " doesn't have a range that contains file address 0x%" PRIx64, 501 curr_inlined_block->GetID(), curr_frame_pc.GetFileAddress()); 502 } 503 #ifdef LLDB_CONFIGURATION_DEBUG 504 else 505 { 506 ObjectFile *objfile = NULL; 507 if (module_sp) 508 { 509 SymbolVendor *symbol_vendor = module_sp->GetSymbolVendor(); 510 if (symbol_vendor) 511 { 512 SymbolFile *symbol_file = symbol_vendor->GetSymbolFile(); 513 if (symbol_file) 514 objfile = symbol_file->GetObjectFile(); 515 } 516 } 517 if (objfile) 518 { 519 Host::SystemLog (Host::eSystemLogWarning, 520 "warning: inlined block 0x%8.8" PRIx64 " doesn't have a range that contains file address 0x%" PRIx64 " in %s\n", 521 curr_inlined_block->GetID(), 522 curr_frame_pc.GetFileAddress(), 523 objfile->GetFileSpec().GetPath().c_str()); 524 } 525 else 526 { 527 Host::SystemLog (Host::eSystemLogWarning, 528 "warning: inlined block 0x%8.8" PRIx64 " doesn't have a range that contains file address 0x%" PRIx64 "\n", 529 curr_inlined_block->GetID(), 530 curr_frame_pc.GetFileAddress()); 531 } 532 } 533 #endif 534 } 535 } 536 } 537 538 return false; 539 } 540 541 Block * 542 SymbolContext::GetFunctionBlock () 543 { 544 if (function) 545 { 546 if (block) 547 { 548 // If this symbol context has a block, check to see if this block 549 // is itself, or is contained within a block with inlined function 550 // information. If so, then the inlined block is the block that 551 // defines the function. 552 Block *inlined_block = block->GetContainingInlinedBlock(); 553 if (inlined_block) 554 return inlined_block; 555 556 // The block in this symbol context is not inside an inlined 557 // block, so the block that defines the function is the function's 558 // top level block, which is returned below. 559 } 560 561 // There is no block information in this symbol context, so we must 562 // assume that the block that is desired is the top level block of 563 // the function itself. 564 return &function->GetBlock(true); 565 } 566 return NULL; 567 } 568 569 bool 570 SymbolContext::GetFunctionMethodInfo (lldb::LanguageType &language, 571 bool &is_instance_method, 572 ConstString &language_object_name) 573 574 575 { 576 Block *function_block = GetFunctionBlock (); 577 if (function_block) 578 { 579 clang::DeclContext *decl_context = function_block->GetClangDeclContext(); 580 581 if (decl_context) 582 { 583 return ClangASTContext::GetClassMethodInfoForDeclContext (decl_context, 584 language, 585 is_instance_method, 586 language_object_name); 587 } 588 } 589 language = eLanguageTypeUnknown; 590 is_instance_method = false; 591 language_object_name.Clear(); 592 return false; 593 } 594 595 ConstString 596 SymbolContext::GetFunctionName (Mangled::NamePreference preference) 597 { 598 if (function) 599 { 600 if (block) 601 { 602 Block *inlined_block = block->GetContainingInlinedBlock(); 603 604 if (inlined_block) 605 { 606 const InlineFunctionInfo *inline_info = inlined_block->GetInlinedFunctionInfo(); 607 if (inline_info) 608 return inline_info->GetName(); 609 } 610 } 611 return function->GetMangled().GetName(preference); 612 } 613 else if (symbol && symbol->ValueIsAddress()) 614 { 615 return symbol->GetMangled().GetName(preference); 616 } 617 else 618 { 619 // No function, return an empty string. 620 return ConstString(); 621 } 622 } 623 624 //---------------------------------------------------------------------- 625 // 626 // SymbolContextSpecifier 627 // 628 //---------------------------------------------------------------------- 629 630 SymbolContextSpecifier::SymbolContextSpecifier (const TargetSP &target_sp) : 631 m_target_sp (target_sp), 632 m_module_spec (), 633 m_module_sp (), 634 m_file_spec_ap (), 635 m_start_line (0), 636 m_end_line (0), 637 m_function_spec (), 638 m_class_name (), 639 m_address_range_ap (), 640 m_type (eNothingSpecified) 641 { 642 } 643 644 SymbolContextSpecifier::~SymbolContextSpecifier() 645 { 646 } 647 648 bool 649 SymbolContextSpecifier::AddLineSpecification (uint32_t line_no, SpecificationType type) 650 { 651 bool return_value = true; 652 switch (type) 653 { 654 case eNothingSpecified: 655 Clear(); 656 break; 657 case eLineStartSpecified: 658 m_start_line = line_no; 659 m_type |= eLineStartSpecified; 660 break; 661 case eLineEndSpecified: 662 m_end_line = line_no; 663 m_type |= eLineEndSpecified; 664 break; 665 default: 666 return_value = false; 667 break; 668 } 669 return return_value; 670 } 671 672 bool 673 SymbolContextSpecifier::AddSpecification (const char *spec_string, SpecificationType type) 674 { 675 bool return_value = true; 676 switch (type) 677 { 678 case eNothingSpecified: 679 Clear(); 680 break; 681 case eModuleSpecified: 682 { 683 // See if we can find the Module, if so stick it in the SymbolContext. 684 FileSpec module_file_spec(spec_string, false); 685 ModuleSpec module_spec (module_file_spec); 686 lldb::ModuleSP module_sp (m_target_sp->GetImages().FindFirstModule (module_spec)); 687 m_type |= eModuleSpecified; 688 if (module_sp) 689 m_module_sp = module_sp; 690 else 691 m_module_spec.assign (spec_string); 692 } 693 break; 694 case eFileSpecified: 695 // CompUnits can't necessarily be resolved here, since an inlined function might show up in 696 // a number of CompUnits. Instead we just convert to a FileSpec and store it away. 697 m_file_spec_ap.reset (new FileSpec (spec_string, false)); 698 m_type |= eFileSpecified; 699 break; 700 case eLineStartSpecified: 701 m_start_line = Args::StringToSInt32(spec_string, 0, 0, &return_value); 702 if (return_value) 703 m_type |= eLineStartSpecified; 704 break; 705 case eLineEndSpecified: 706 m_end_line = Args::StringToSInt32(spec_string, 0, 0, &return_value); 707 if (return_value) 708 m_type |= eLineEndSpecified; 709 break; 710 case eFunctionSpecified: 711 m_function_spec.assign(spec_string); 712 m_type |= eFunctionSpecified; 713 break; 714 case eClassOrNamespaceSpecified: 715 Clear(); 716 m_class_name.assign (spec_string); 717 m_type = eClassOrNamespaceSpecified; 718 break; 719 case eAddressRangeSpecified: 720 // Not specified yet... 721 break; 722 } 723 724 return return_value; 725 } 726 727 void 728 SymbolContextSpecifier::Clear() 729 { 730 m_module_spec.clear(); 731 m_file_spec_ap.reset(); 732 m_function_spec.clear(); 733 m_class_name.clear(); 734 m_start_line = 0; 735 m_end_line = 0; 736 m_address_range_ap.reset(); 737 738 m_type = eNothingSpecified; 739 } 740 741 bool 742 SymbolContextSpecifier::SymbolContextMatches(SymbolContext &sc) 743 { 744 if (m_type == eNothingSpecified) 745 return true; 746 747 if (m_target_sp.get() != sc.target_sp.get()) 748 return false; 749 750 if (m_type & eModuleSpecified) 751 { 752 if (sc.module_sp) 753 { 754 if (m_module_sp.get() != NULL) 755 { 756 if (m_module_sp.get() != sc.module_sp.get()) 757 return false; 758 } 759 else 760 { 761 FileSpec module_file_spec (m_module_spec.c_str(), false); 762 if (!FileSpec::Equal (module_file_spec, sc.module_sp->GetFileSpec(), false)) 763 return false; 764 } 765 } 766 } 767 if (m_type & eFileSpecified) 768 { 769 if (m_file_spec_ap.get()) 770 { 771 // If we don't have a block or a comp_unit, then we aren't going to match a source file. 772 if (sc.block == NULL && sc.comp_unit == NULL) 773 return false; 774 775 // Check if the block is present, and if so is it inlined: 776 bool was_inlined = false; 777 if (sc.block != NULL) 778 { 779 const InlineFunctionInfo *inline_info = sc.block->GetInlinedFunctionInfo(); 780 if (inline_info != NULL) 781 { 782 was_inlined = true; 783 if (!FileSpec::Equal (inline_info->GetDeclaration().GetFile(), *(m_file_spec_ap.get()), false)) 784 return false; 785 } 786 } 787 788 // Next check the comp unit, but only if the SymbolContext was not inlined. 789 if (!was_inlined && sc.comp_unit != NULL) 790 { 791 if (!FileSpec::Equal (*(sc.comp_unit), *(m_file_spec_ap.get()), false)) 792 return false; 793 } 794 } 795 } 796 if (m_type & eLineStartSpecified 797 || m_type & eLineEndSpecified) 798 { 799 if (sc.line_entry.line < m_start_line || sc.line_entry.line > m_end_line) 800 return false; 801 } 802 803 if (m_type & eFunctionSpecified) 804 { 805 // First check the current block, and if it is inlined, get the inlined function name: 806 bool was_inlined = false; 807 ConstString func_name(m_function_spec.c_str()); 808 809 if (sc.block != NULL) 810 { 811 const InlineFunctionInfo *inline_info = sc.block->GetInlinedFunctionInfo(); 812 if (inline_info != NULL) 813 { 814 was_inlined = true; 815 const Mangled &name = inline_info->GetMangled(); 816 if (!name.NameMatches (func_name)) 817 return false; 818 } 819 } 820 // If it wasn't inlined, check the name in the function or symbol: 821 if (!was_inlined) 822 { 823 if (sc.function != NULL) 824 { 825 if (!sc.function->GetMangled().NameMatches(func_name)) 826 return false; 827 } 828 else if (sc.symbol != NULL) 829 { 830 if (!sc.symbol->GetMangled().NameMatches(func_name)) 831 return false; 832 } 833 } 834 835 836 } 837 838 return true; 839 } 840 841 bool 842 SymbolContextSpecifier::AddressMatches(lldb::addr_t addr) 843 { 844 if (m_type & eAddressRangeSpecified) 845 { 846 847 } 848 else 849 { 850 Address match_address (addr, NULL); 851 SymbolContext sc; 852 m_target_sp->GetImages().ResolveSymbolContextForAddress(match_address, eSymbolContextEverything, sc); 853 return SymbolContextMatches(sc); 854 } 855 return true; 856 } 857 858 void 859 SymbolContextSpecifier::GetDescription (Stream *s, lldb::DescriptionLevel level) const 860 { 861 char path_str[PATH_MAX + 1]; 862 863 if (m_type == eNothingSpecified) 864 { 865 s->Printf ("Nothing specified.\n"); 866 } 867 868 if (m_type == eModuleSpecified) 869 { 870 s->Indent(); 871 if (m_module_sp) 872 { 873 m_module_sp->GetFileSpec().GetPath (path_str, PATH_MAX); 874 s->Printf ("Module: %s\n", path_str); 875 } 876 else 877 s->Printf ("Module: %s\n", m_module_spec.c_str()); 878 } 879 880 if (m_type == eFileSpecified && m_file_spec_ap.get() != NULL) 881 { 882 m_file_spec_ap->GetPath (path_str, PATH_MAX); 883 s->Indent(); 884 s->Printf ("File: %s", path_str); 885 if (m_type == eLineStartSpecified) 886 { 887 s->Printf (" from line %lu", m_start_line); 888 if (m_type == eLineEndSpecified) 889 s->Printf ("to line %lu", m_end_line); 890 else 891 s->Printf ("to end"); 892 } 893 else if (m_type == eLineEndSpecified) 894 { 895 s->Printf (" from start to line %ld", m_end_line); 896 } 897 s->Printf (".\n"); 898 } 899 900 if (m_type == eLineStartSpecified) 901 { 902 s->Indent(); 903 s->Printf ("From line %lu", m_start_line); 904 if (m_type == eLineEndSpecified) 905 s->Printf ("to line %lu", m_end_line); 906 else 907 s->Printf ("to end"); 908 s->Printf (".\n"); 909 } 910 else if (m_type == eLineEndSpecified) 911 { 912 s->Printf ("From start to line %ld.\n", m_end_line); 913 } 914 915 if (m_type == eFunctionSpecified) 916 { 917 s->Indent(); 918 s->Printf ("Function: %s.\n", m_function_spec.c_str()); 919 } 920 921 if (m_type == eClassOrNamespaceSpecified) 922 { 923 s->Indent(); 924 s->Printf ("Class name: %s.\n", m_class_name.c_str()); 925 } 926 927 if (m_type == eAddressRangeSpecified && m_address_range_ap.get() != NULL) 928 { 929 s->Indent(); 930 s->PutCString ("Address range: "); 931 m_address_range_ap->Dump (s, m_target_sp.get(), Address::DumpStyleLoadAddress, Address::DumpStyleFileAddress); 932 s->PutCString ("\n"); 933 } 934 } 935 936 //---------------------------------------------------------------------- 937 // 938 // SymbolContextList 939 // 940 //---------------------------------------------------------------------- 941 942 943 SymbolContextList::SymbolContextList() : 944 m_symbol_contexts() 945 { 946 } 947 948 SymbolContextList::~SymbolContextList() 949 { 950 } 951 952 void 953 SymbolContextList::Append(const SymbolContext& sc) 954 { 955 m_symbol_contexts.push_back(sc); 956 } 957 958 void 959 SymbolContextList::Append (const SymbolContextList& sc_list) 960 { 961 collection::const_iterator pos, end = sc_list.m_symbol_contexts.end(); 962 for (pos = sc_list.m_symbol_contexts.begin(); pos != end; ++pos) 963 m_symbol_contexts.push_back (*pos); 964 } 965 966 967 uint32_t 968 SymbolContextList::AppendIfUnique (const SymbolContextList& sc_list, bool merge_symbol_into_function) 969 { 970 uint32_t unique_sc_add_count = 0; 971 collection::const_iterator pos, end = sc_list.m_symbol_contexts.end(); 972 for (pos = sc_list.m_symbol_contexts.begin(); pos != end; ++pos) 973 { 974 if (AppendIfUnique (*pos, merge_symbol_into_function)) 975 ++unique_sc_add_count; 976 } 977 return unique_sc_add_count; 978 } 979 980 bool 981 SymbolContextList::AppendIfUnique (const SymbolContext& sc, bool merge_symbol_into_function) 982 { 983 collection::iterator pos, end = m_symbol_contexts.end(); 984 for (pos = m_symbol_contexts.begin(); pos != end; ++pos) 985 { 986 if (*pos == sc) 987 return false; 988 } 989 if (merge_symbol_into_function 990 && sc.symbol != NULL 991 && sc.comp_unit == NULL 992 && sc.function == NULL 993 && sc.block == NULL 994 && sc.line_entry.IsValid() == false) 995 { 996 if (sc.symbol->ValueIsAddress()) 997 { 998 for (pos = m_symbol_contexts.begin(); pos != end; ++pos) 999 { 1000 if (pos->function) 1001 { 1002 if (pos->function->GetAddressRange().GetBaseAddress() == sc.symbol->GetAddress()) 1003 { 1004 // Do we already have a function with this symbol? 1005 if (pos->symbol == sc.symbol) 1006 return false; 1007 if (pos->symbol == NULL) 1008 { 1009 pos->symbol = sc.symbol; 1010 return false; 1011 } 1012 } 1013 } 1014 } 1015 } 1016 } 1017 m_symbol_contexts.push_back(sc); 1018 return true; 1019 } 1020 1021 void 1022 SymbolContextList::Clear() 1023 { 1024 m_symbol_contexts.clear(); 1025 } 1026 1027 void 1028 SymbolContextList::Dump(Stream *s, Target *target) const 1029 { 1030 1031 *s << (void *)this << ": "; 1032 s->Indent(); 1033 s->PutCString("SymbolContextList"); 1034 s->EOL(); 1035 s->IndentMore(); 1036 1037 collection::const_iterator pos, end = m_symbol_contexts.end(); 1038 for (pos = m_symbol_contexts.begin(); pos != end; ++pos) 1039 { 1040 //pos->Dump(s, target); 1041 pos->GetDescription(s, eDescriptionLevelVerbose, target); 1042 } 1043 s->IndentLess(); 1044 } 1045 1046 bool 1047 SymbolContextList::GetContextAtIndex(size_t idx, SymbolContext& sc) const 1048 { 1049 if (idx < m_symbol_contexts.size()) 1050 { 1051 sc = m_symbol_contexts[idx]; 1052 return true; 1053 } 1054 return false; 1055 } 1056 1057 bool 1058 SymbolContextList::GetLastContext(SymbolContext& sc) const 1059 { 1060 if (!m_symbol_contexts.empty()) 1061 { 1062 sc = m_symbol_contexts.back(); 1063 return true; 1064 } 1065 return false; 1066 } 1067 1068 bool 1069 SymbolContextList::RemoveContextAtIndex (size_t idx) 1070 { 1071 if (idx < m_symbol_contexts.size()) 1072 { 1073 m_symbol_contexts.erase(m_symbol_contexts.begin() + idx); 1074 return true; 1075 } 1076 return false; 1077 } 1078 1079 uint32_t 1080 SymbolContextList::GetSize() const 1081 { 1082 return m_symbol_contexts.size(); 1083 } 1084 1085 uint32_t 1086 SymbolContextList::NumLineEntriesWithLine (uint32_t line) const 1087 { 1088 uint32_t match_count = 0; 1089 const size_t size = m_symbol_contexts.size(); 1090 for (size_t idx = 0; idx<size; ++idx) 1091 { 1092 if (m_symbol_contexts[idx].line_entry.line == line) 1093 ++match_count; 1094 } 1095 return match_count; 1096 } 1097 1098 void 1099 SymbolContextList::GetDescription(Stream *s, 1100 lldb::DescriptionLevel level, 1101 Target *target) const 1102 { 1103 const size_t size = m_symbol_contexts.size(); 1104 for (size_t idx = 0; idx<size; ++idx) 1105 m_symbol_contexts[idx].GetDescription (s, level, target); 1106 } 1107 1108 bool 1109 lldb_private::operator== (const SymbolContextList& lhs, const SymbolContextList& rhs) 1110 { 1111 const uint32_t size = lhs.GetSize(); 1112 if (size != rhs.GetSize()) 1113 return false; 1114 1115 SymbolContext lhs_sc; 1116 SymbolContext rhs_sc; 1117 for (uint32_t i=0; i<size; ++i) 1118 { 1119 lhs.GetContextAtIndex(i, lhs_sc); 1120 rhs.GetContextAtIndex(i, rhs_sc); 1121 if (lhs_sc != rhs_sc) 1122 return false; 1123 } 1124 return true; 1125 } 1126 1127 bool 1128 lldb_private::operator!= (const SymbolContextList& lhs, const SymbolContextList& rhs) 1129 { 1130 return !(lhs == rhs); 1131 } 1132 1133