1 //===-- SymbolFileDWARF.cpp ------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "SymbolFileDWARF.h"
12 // Other libraries and framework includes
13 #include "clang/AST/ASTConsumer.h"
14 #include "clang/AST/ASTContext.h"
15 #include "clang/AST/Decl.h"
16 #include "clang/AST/DeclGroup.h"
17 #include "clang/AST/DeclObjC.h"
18 #include "clang/AST/DeclTemplate.h"
19 #include "clang/Basic/Builtins.h"
20 #include "clang/Basic/IdentifierTable.h"
21 #include "clang/Basic/LangOptions.h"
22 #include "clang/Basic/SourceManager.h"
23 #include "clang/Basic/TargetInfo.h"
24 #include "clang/Basic/Specifiers.h"
25 #include "clang/Sema/DeclSpec.h"
27 #include "llvm/Support/Casting.h"
29 #include "lldb/Core/Module.h"
30 #include "lldb/Core/PluginManager.h"
31 #include "lldb/Core/RegularExpression.h"
32 #include "lldb/Core/Scalar.h"
33 #include "lldb/Core/Section.h"
34 #include "lldb/Core/StreamFile.h"
35 #include "lldb/Core/StreamString.h"
36 #include "lldb/Core/Timer.h"
37 #include "lldb/Core/Value.h"
39 #include "lldb/Host/Host.h"
41 #include "lldb/Symbol/Block.h"
42 #include "lldb/Symbol/ClangExternalASTSourceCallbacks.h"
43 #include "lldb/Symbol/CompileUnit.h"
44 #include "lldb/Symbol/LineTable.h"
45 #include "lldb/Symbol/ObjectFile.h"
46 #include "lldb/Symbol/SymbolVendor.h"
47 #include "lldb/Symbol/VariableList.h"
49 #include "lldb/Target/ObjCLanguageRuntime.h"
50 #include "lldb/Target/CPPLanguageRuntime.h"
52 #include "DWARFCompileUnit.h"
53 #include "DWARFDebugAbbrev.h"
54 #include "DWARFDebugAranges.h"
55 #include "DWARFDebugInfo.h"
56 #include "DWARFDebugInfoEntry.h"
57 #include "DWARFDebugLine.h"
58 #include "DWARFDebugPubnames.h"
59 #include "DWARFDebugRanges.h"
60 #include "DWARFDeclContext.h"
61 #include "DWARFDIECollection.h"
62 #include "DWARFFormValue.h"
63 #include "DWARFLocationList.h"
64 #include "LogChannelDWARF.h"
65 #include "SymbolFileDWARFDebugMap.h"
69 //#define ENABLE_DEBUG_PRINTF // COMMENT OUT THIS LINE PRIOR TO CHECKIN
71 #ifdef ENABLE_DEBUG_PRINTF
73 #define DEBUG_PRINTF(fmt, ...) printf(fmt, __VA_ARGS__)
75 #define DEBUG_PRINTF(fmt, ...)
78 #define DIE_IS_BEING_PARSED ((lldb_private::Type*)1)
81 using namespace lldb_private;
84 //child_requires_parent_class_union_or_struct_to_be_completed (dw_tag_t tag)
90 // case DW_TAG_subprogram:
91 // case DW_TAG_inlined_subroutine:
92 // case DW_TAG_class_type:
93 // case DW_TAG_structure_type:
94 // case DW_TAG_union_type:
101 DW_ACCESS_to_AccessType (uint32_t dwarf_accessibility)
103 switch (dwarf_accessibility)
105 case DW_ACCESS_public: return eAccessPublic;
106 case DW_ACCESS_private: return eAccessPrivate;
107 case DW_ACCESS_protected: return eAccessProtected;
113 #if defined(LLDB_CONFIGURATION_DEBUG) or defined(LLDB_CONFIGURATION_RELEASE)
119 void Push (DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die)
121 m_dies.push_back (DIEInfo(cu, die));
125 void LogDIEs (Log *log, SymbolFileDWARF *dwarf)
127 StreamString log_strm;
128 const size_t n = m_dies.size();
129 log_strm.Printf("DIEStack[%" PRIu64 "]:\n", (uint64_t)n);
130 for (size_t i=0; i<n; i++)
132 DWARFCompileUnit *cu = m_dies[i].cu;
133 const DWARFDebugInfoEntry *die = m_dies[i].die;
134 std::string qualified_name;
135 die->GetQualifiedName(dwarf, cu, qualified_name);
136 log_strm.Printf ("[%" PRIu64 "] 0x%8.8x: %s name='%s'\n",
139 DW_TAG_value_to_name(die->Tag()),
140 qualified_name.c_str());
142 log->PutCString(log_strm.GetData());
152 ScopedPopper (DIEStack &die_stack) :
153 m_die_stack (die_stack),
159 Push (DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die)
162 m_die_stack.Push (cu, die);
174 DIEStack &m_die_stack;
180 DIEInfo (DWARFCompileUnit *c, const DWARFDebugInfoEntry *d) :
185 DWARFCompileUnit *cu;
186 const DWARFDebugInfoEntry *die;
188 typedef std::vector<DIEInfo> Stack;
194 SymbolFileDWARF::Initialize()
196 LogChannelDWARF::Initialize();
197 PluginManager::RegisterPlugin (GetPluginNameStatic(),
198 GetPluginDescriptionStatic(),
203 SymbolFileDWARF::Terminate()
205 PluginManager::UnregisterPlugin (CreateInstance);
206 LogChannelDWARF::Initialize();
210 lldb_private::ConstString
211 SymbolFileDWARF::GetPluginNameStatic()
213 static ConstString g_name("dwarf");
218 SymbolFileDWARF::GetPluginDescriptionStatic()
220 return "DWARF and DWARF3 debug symbol file reader.";
225 SymbolFileDWARF::CreateInstance (ObjectFile* obj_file)
227 return new SymbolFileDWARF(obj_file);
231 SymbolFileDWARF::GetTypeList ()
233 if (GetDebugMapSymfile ())
234 return m_debug_map_symfile->GetTypeList();
235 return m_obj_file->GetModule()->GetTypeList();
239 SymbolFileDWARF::GetTypes (DWARFCompileUnit* cu,
240 const DWARFDebugInfoEntry *die,
241 dw_offset_t min_die_offset,
242 dw_offset_t max_die_offset,
250 const dw_offset_t die_offset = die->GetOffset();
252 if (die_offset >= max_die_offset)
255 if (die_offset >= min_die_offset)
257 const dw_tag_t tag = die->Tag();
259 bool add_type = false;
263 case DW_TAG_array_type: add_type = (type_mask & eTypeClassArray ) != 0; break;
264 case DW_TAG_unspecified_type:
265 case DW_TAG_base_type: add_type = (type_mask & eTypeClassBuiltin ) != 0; break;
266 case DW_TAG_class_type: add_type = (type_mask & eTypeClassClass ) != 0; break;
267 case DW_TAG_structure_type: add_type = (type_mask & eTypeClassStruct ) != 0; break;
268 case DW_TAG_union_type: add_type = (type_mask & eTypeClassUnion ) != 0; break;
269 case DW_TAG_enumeration_type: add_type = (type_mask & eTypeClassEnumeration ) != 0; break;
270 case DW_TAG_subroutine_type:
271 case DW_TAG_subprogram:
272 case DW_TAG_inlined_subroutine: add_type = (type_mask & eTypeClassFunction ) != 0; break;
273 case DW_TAG_pointer_type: add_type = (type_mask & eTypeClassPointer ) != 0; break;
274 case DW_TAG_rvalue_reference_type:
275 case DW_TAG_reference_type: add_type = (type_mask & eTypeClassReference ) != 0; break;
276 case DW_TAG_typedef: add_type = (type_mask & eTypeClassTypedef ) != 0; break;
277 case DW_TAG_ptr_to_member_type: add_type = (type_mask & eTypeClassMemberPointer ) != 0; break;
282 const bool assert_not_being_parsed = true;
283 Type *type = ResolveTypeUID (cu, die, assert_not_being_parsed);
286 if (type_set.find(type) == type_set.end())
287 type_set.insert(type);
292 for (const DWARFDebugInfoEntry *child_die = die->GetFirstChild();
294 child_die = child_die->GetSibling())
296 GetTypes (cu, child_die, min_die_offset, max_die_offset, type_mask, type_set);
303 SymbolFileDWARF::GetTypes (SymbolContextScope *sc_scope,
310 CompileUnit *comp_unit = NULL;
311 DWARFCompileUnit* dwarf_cu = NULL;
313 comp_unit = sc_scope->CalculateSymbolContextCompileUnit();
317 dwarf_cu = GetDWARFCompileUnit(comp_unit);
322 dwarf_cu->GetOffset(),
323 dwarf_cu->GetNextCompileUnitOffset(),
329 DWARFDebugInfo* info = DebugInfo();
332 const size_t num_cus = info->GetNumCompileUnits();
333 for (size_t cu_idx=0; cu_idx<num_cus; ++cu_idx)
335 dwarf_cu = info->GetCompileUnitAtIndex(cu_idx);
348 // if (m_using_apple_tables)
350 // DWARFMappedHash::MemoryTable *apple_types = m_apple_types_ap.get();
353 // apple_types->ForEach([this, &type_set, apple_types, type_mask](const DWARFMappedHash::DIEInfoArray &die_info_array) -> bool {
355 // for (auto die_info: die_info_array)
357 // bool add_type = TagMatchesTypeMask (type_mask, 0);
360 // dw_tag_t tag = die_info.tag;
363 // const DWARFDebugInfoEntry *die = DebugInfo()->GetDIEPtr(die_info.offset, NULL);
366 // add_type = TagMatchesTypeMask (type_mask, tag);
370 // Type *type = ResolveTypeUID(die_info.offset);
372 // if (type_set.find(type) == type_set.end())
373 // type_set.insert(type);
376 // return true; // Keep iterating
385 // m_type_index.ForEach([this, &type_set, type_mask](const char *name, uint32_t die_offset) -> bool {
387 // bool add_type = TagMatchesTypeMask (type_mask, 0);
391 // const DWARFDebugInfoEntry *die = DebugInfo()->GetDIEPtr(die_offset, NULL);
394 // const dw_tag_t tag = die->Tag();
395 // add_type = TagMatchesTypeMask (type_mask, tag);
401 // Type *type = ResolveTypeUID(die_offset);
403 // if (type_set.find(type) == type_set.end())
404 // type_set.insert(type);
406 // return true; // Keep iterating
410 std::set<ClangASTType> clang_type_set;
411 size_t num_types_added = 0;
412 for (Type *type : type_set)
414 ClangASTType clang_type = type->GetClangForwardType();
415 if (clang_type_set.find(clang_type) == clang_type_set.end())
417 clang_type_set.insert(clang_type);
418 type_list.Insert (type->shared_from_this());
422 return num_types_added;
426 //----------------------------------------------------------------------
427 // Gets the first parent that is a lexical block, function or inlined
428 // subroutine, or compile unit.
429 //----------------------------------------------------------------------
430 static const DWARFDebugInfoEntry *
431 GetParentSymbolContextDIE(const DWARFDebugInfoEntry *child_die)
433 const DWARFDebugInfoEntry *die;
434 for (die = child_die->GetParent(); die != NULL; die = die->GetParent())
436 dw_tag_t tag = die->Tag();
440 case DW_TAG_compile_unit:
441 case DW_TAG_subprogram:
442 case DW_TAG_inlined_subroutine:
443 case DW_TAG_lexical_block:
451 SymbolFileDWARF::SymbolFileDWARF(ObjectFile* objfile) :
452 SymbolFile (objfile),
453 UserID (0), // Used by SymbolFileDWARFDebugMap to when this class parses .o files to contain the .o file index/ID
454 m_debug_map_module_wp (),
455 m_debug_map_symfile (NULL),
456 m_clang_tu_decl (NULL),
458 m_data_debug_abbrev (),
459 m_data_debug_aranges (),
460 m_data_debug_frame (),
461 m_data_debug_info (),
462 m_data_debug_line (),
464 m_data_debug_ranges (),
466 m_data_apple_names (),
467 m_data_apple_types (),
468 m_data_apple_namespaces (),
474 m_apple_namespaces_ap (),
476 m_function_basename_index(),
477 m_function_fullname_index(),
478 m_function_method_index(),
479 m_function_selector_index(),
480 m_objc_class_selectors_index(),
485 m_is_external_ast_source (false),
486 m_using_apple_tables (false),
487 m_supports_DW_AT_APPLE_objc_complete_type (eLazyBoolCalculate),
489 m_unique_ast_type_map ()
493 SymbolFileDWARF::~SymbolFileDWARF()
495 if (m_is_external_ast_source)
497 ModuleSP module_sp (m_obj_file->GetModule());
499 module_sp->GetClangASTContext().RemoveExternalSource ();
503 static const ConstString &
504 GetDWARFMachOSegmentName ()
506 static ConstString g_dwarf_section_name ("__DWARF");
507 return g_dwarf_section_name;
510 UniqueDWARFASTTypeMap &
511 SymbolFileDWARF::GetUniqueDWARFASTTypeMap ()
513 if (GetDebugMapSymfile ())
514 return m_debug_map_symfile->GetUniqueDWARFASTTypeMap ();
515 return m_unique_ast_type_map;
519 SymbolFileDWARF::GetClangASTContext ()
521 if (GetDebugMapSymfile ())
522 return m_debug_map_symfile->GetClangASTContext ();
524 ClangASTContext &ast = m_obj_file->GetModule()->GetClangASTContext();
525 if (!m_is_external_ast_source)
527 m_is_external_ast_source = true;
528 llvm::OwningPtr<clang::ExternalASTSource> ast_source_ap (
529 new ClangExternalASTSourceCallbacks (SymbolFileDWARF::CompleteTagDecl,
530 SymbolFileDWARF::CompleteObjCInterfaceDecl,
531 SymbolFileDWARF::FindExternalVisibleDeclsByName,
532 SymbolFileDWARF::LayoutRecordType,
534 ast.SetExternalSource (ast_source_ap);
540 SymbolFileDWARF::InitializeObject()
542 // Install our external AST source callbacks so we can complete Clang types.
543 ModuleSP module_sp (m_obj_file->GetModule());
546 const SectionList *section_list = module_sp->GetSectionList();
548 const Section* section = section_list->FindSectionByName(GetDWARFMachOSegmentName ()).get();
550 // Memory map the DWARF mach-o segment so we have everything mmap'ed
551 // to keep our heap memory usage down.
553 m_obj_file->MemoryMapSectionData(section, m_dwarf_data);
555 get_apple_names_data();
556 if (m_data_apple_names.GetByteSize() > 0)
558 m_apple_names_ap.reset (new DWARFMappedHash::MemoryTable (m_data_apple_names, get_debug_str_data(), ".apple_names"));
559 if (m_apple_names_ap->IsValid())
560 m_using_apple_tables = true;
562 m_apple_names_ap.reset();
564 get_apple_types_data();
565 if (m_data_apple_types.GetByteSize() > 0)
567 m_apple_types_ap.reset (new DWARFMappedHash::MemoryTable (m_data_apple_types, get_debug_str_data(), ".apple_types"));
568 if (m_apple_types_ap->IsValid())
569 m_using_apple_tables = true;
571 m_apple_types_ap.reset();
574 get_apple_namespaces_data();
575 if (m_data_apple_namespaces.GetByteSize() > 0)
577 m_apple_namespaces_ap.reset (new DWARFMappedHash::MemoryTable (m_data_apple_namespaces, get_debug_str_data(), ".apple_namespaces"));
578 if (m_apple_namespaces_ap->IsValid())
579 m_using_apple_tables = true;
581 m_apple_namespaces_ap.reset();
584 get_apple_objc_data();
585 if (m_data_apple_objc.GetByteSize() > 0)
587 m_apple_objc_ap.reset (new DWARFMappedHash::MemoryTable (m_data_apple_objc, get_debug_str_data(), ".apple_objc"));
588 if (m_apple_objc_ap->IsValid())
589 m_using_apple_tables = true;
591 m_apple_objc_ap.reset();
596 SymbolFileDWARF::SupportedVersion(uint16_t version)
598 return version == 2 || version == 3 || version == 4;
602 SymbolFileDWARF::CalculateAbilities ()
604 uint32_t abilities = 0;
605 if (m_obj_file != NULL)
607 const Section* section = NULL;
608 const SectionList *section_list = m_obj_file->GetSectionList();
609 if (section_list == NULL)
612 uint64_t debug_abbrev_file_size = 0;
613 uint64_t debug_info_file_size = 0;
614 uint64_t debug_line_file_size = 0;
616 section = section_list->FindSectionByName(GetDWARFMachOSegmentName ()).get();
619 section_list = §ion->GetChildren ();
621 section = section_list->FindSectionByType (eSectionTypeDWARFDebugInfo, true).get();
624 debug_info_file_size = section->GetFileSize();
626 section = section_list->FindSectionByType (eSectionTypeDWARFDebugAbbrev, true).get();
628 debug_abbrev_file_size = section->GetFileSize();
630 m_flags.Set (flagsGotDebugAbbrevData);
632 section = section_list->FindSectionByType (eSectionTypeDWARFDebugAranges, true).get();
634 m_flags.Set (flagsGotDebugArangesData);
636 section = section_list->FindSectionByType (eSectionTypeDWARFDebugFrame, true).get();
638 m_flags.Set (flagsGotDebugFrameData);
640 section = section_list->FindSectionByType (eSectionTypeDWARFDebugLine, true).get();
642 debug_line_file_size = section->GetFileSize();
644 m_flags.Set (flagsGotDebugLineData);
646 section = section_list->FindSectionByType (eSectionTypeDWARFDebugLoc, true).get();
648 m_flags.Set (flagsGotDebugLocData);
650 section = section_list->FindSectionByType (eSectionTypeDWARFDebugMacInfo, true).get();
652 m_flags.Set (flagsGotDebugMacInfoData);
654 section = section_list->FindSectionByType (eSectionTypeDWARFDebugPubNames, true).get();
656 m_flags.Set (flagsGotDebugPubNamesData);
658 section = section_list->FindSectionByType (eSectionTypeDWARFDebugPubTypes, true).get();
660 m_flags.Set (flagsGotDebugPubTypesData);
662 section = section_list->FindSectionByType (eSectionTypeDWARFDebugRanges, true).get();
664 m_flags.Set (flagsGotDebugRangesData);
666 section = section_list->FindSectionByType (eSectionTypeDWARFDebugStr, true).get();
668 m_flags.Set (flagsGotDebugStrData);
672 const char *symfile_dir_cstr = m_obj_file->GetFileSpec().GetDirectory().GetCString();
673 if (symfile_dir_cstr)
675 if (strcasestr(symfile_dir_cstr, ".dsym"))
677 if (m_obj_file->GetType() == ObjectFile::eTypeDebugInfo)
679 // We have a dSYM file that didn't have a any debug info.
680 // If the string table has a size of 1, then it was made from
681 // an executable with no debug info, or from an executable that
683 section = section_list->FindSectionByType (eSectionTypeDWARFDebugStr, true).get();
684 if (section && section->GetFileSize() == 1)
686 m_obj_file->GetModule()->ReportWarning ("empty dSYM file detected, dSYM was created with an executable with no debug info.");
693 if (debug_abbrev_file_size > 0 && debug_info_file_size > 0)
694 abilities |= CompileUnits | Functions | Blocks | GlobalVariables | LocalVariables | VariableTypes;
696 if (debug_line_file_size > 0)
697 abilities |= LineTables;
702 const DWARFDataExtractor&
703 SymbolFileDWARF::GetCachedSectionData (uint32_t got_flag, SectionType sect_type, DWARFDataExtractor &data)
705 if (m_flags.IsClear (got_flag))
707 ModuleSP module_sp (m_obj_file->GetModule());
708 m_flags.Set (got_flag);
709 const SectionList *section_list = module_sp->GetSectionList();
712 SectionSP section_sp (section_list->FindSectionByType(sect_type, true));
715 // See if we memory mapped the DWARF segment?
716 if (m_dwarf_data.GetByteSize())
718 data.SetData(m_dwarf_data, section_sp->GetOffset (), section_sp->GetFileSize());
722 if (m_obj_file->ReadSectionData (section_sp.get(), data) == 0)
731 const DWARFDataExtractor&
732 SymbolFileDWARF::get_debug_abbrev_data()
734 return GetCachedSectionData (flagsGotDebugAbbrevData, eSectionTypeDWARFDebugAbbrev, m_data_debug_abbrev);
737 const DWARFDataExtractor&
738 SymbolFileDWARF::get_debug_aranges_data()
740 return GetCachedSectionData (flagsGotDebugArangesData, eSectionTypeDWARFDebugAranges, m_data_debug_aranges);
743 const DWARFDataExtractor&
744 SymbolFileDWARF::get_debug_frame_data()
746 return GetCachedSectionData (flagsGotDebugFrameData, eSectionTypeDWARFDebugFrame, m_data_debug_frame);
749 const DWARFDataExtractor&
750 SymbolFileDWARF::get_debug_info_data()
752 return GetCachedSectionData (flagsGotDebugInfoData, eSectionTypeDWARFDebugInfo, m_data_debug_info);
755 const DWARFDataExtractor&
756 SymbolFileDWARF::get_debug_line_data()
758 return GetCachedSectionData (flagsGotDebugLineData, eSectionTypeDWARFDebugLine, m_data_debug_line);
761 const DWARFDataExtractor&
762 SymbolFileDWARF::get_debug_loc_data()
764 return GetCachedSectionData (flagsGotDebugLocData, eSectionTypeDWARFDebugLoc, m_data_debug_loc);
767 const DWARFDataExtractor&
768 SymbolFileDWARF::get_debug_ranges_data()
770 return GetCachedSectionData (flagsGotDebugRangesData, eSectionTypeDWARFDebugRanges, m_data_debug_ranges);
773 const DWARFDataExtractor&
774 SymbolFileDWARF::get_debug_str_data()
776 return GetCachedSectionData (flagsGotDebugStrData, eSectionTypeDWARFDebugStr, m_data_debug_str);
779 const DWARFDataExtractor&
780 SymbolFileDWARF::get_apple_names_data()
782 return GetCachedSectionData (flagsGotAppleNamesData, eSectionTypeDWARFAppleNames, m_data_apple_names);
785 const DWARFDataExtractor&
786 SymbolFileDWARF::get_apple_types_data()
788 return GetCachedSectionData (flagsGotAppleTypesData, eSectionTypeDWARFAppleTypes, m_data_apple_types);
791 const DWARFDataExtractor&
792 SymbolFileDWARF::get_apple_namespaces_data()
794 return GetCachedSectionData (flagsGotAppleNamespacesData, eSectionTypeDWARFAppleNamespaces, m_data_apple_namespaces);
797 const DWARFDataExtractor&
798 SymbolFileDWARF::get_apple_objc_data()
800 return GetCachedSectionData (flagsGotAppleObjCData, eSectionTypeDWARFAppleObjC, m_data_apple_objc);
805 SymbolFileDWARF::DebugAbbrev()
807 if (m_abbr.get() == NULL)
809 const DWARFDataExtractor &debug_abbrev_data = get_debug_abbrev_data();
810 if (debug_abbrev_data.GetByteSize() > 0)
812 m_abbr.reset(new DWARFDebugAbbrev());
814 m_abbr->Parse(debug_abbrev_data);
820 const DWARFDebugAbbrev*
821 SymbolFileDWARF::DebugAbbrev() const
828 SymbolFileDWARF::DebugInfo()
830 if (m_info.get() == NULL)
832 Timer scoped_timer(__PRETTY_FUNCTION__, "%s this = %p", __PRETTY_FUNCTION__, this);
833 if (get_debug_info_data().GetByteSize() > 0)
835 m_info.reset(new DWARFDebugInfo());
838 m_info->SetDwarfData(this);
845 const DWARFDebugInfo*
846 SymbolFileDWARF::DebugInfo() const
852 SymbolFileDWARF::GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit)
854 DWARFDebugInfo* info = DebugInfo();
857 if (GetDebugMapSymfile ())
859 // The debug map symbol file made the compile units for this DWARF
860 // file which is .o file with DWARF in it, and we should have
861 // only 1 compile unit which is at offset zero in the DWARF.
862 // TODO: modify to support LTO .o files where each .o file might
863 // have multiple DW_TAG_compile_unit tags.
864 return info->GetCompileUnit(0).get();
868 // Just a normal DWARF file whose user ID for the compile unit is
869 // the DWARF offset itself
870 return info->GetCompileUnit((dw_offset_t)comp_unit->GetID()).get();
878 SymbolFileDWARF::DebugRanges()
880 if (m_ranges.get() == NULL)
882 Timer scoped_timer(__PRETTY_FUNCTION__, "%s this = %p", __PRETTY_FUNCTION__, this);
883 if (get_debug_ranges_data().GetByteSize() > 0)
885 m_ranges.reset(new DWARFDebugRanges());
887 m_ranges->Extract(this);
890 return m_ranges.get();
893 const DWARFDebugRanges*
894 SymbolFileDWARF::DebugRanges() const
896 return m_ranges.get();
900 SymbolFileDWARF::ParseCompileUnit (DWARFCompileUnit* dwarf_cu, uint32_t cu_idx)
905 CompileUnit *comp_unit = (CompileUnit*)dwarf_cu->GetUserData();
908 // We already parsed this compile unit, had out a shared pointer to it
909 cu_sp = comp_unit->shared_from_this();
913 if (GetDebugMapSymfile ())
915 // Let the debug map create the compile unit
916 cu_sp = m_debug_map_symfile->GetCompileUnit(this);
917 dwarf_cu->SetUserData(cu_sp.get());
921 ModuleSP module_sp (m_obj_file->GetModule());
924 const DWARFDebugInfoEntry * cu_die = dwarf_cu->GetCompileUnitDIEOnly ();
927 const char * cu_die_name = cu_die->GetName(this, dwarf_cu);
928 const char * cu_comp_dir = cu_die->GetAttributeValueAsString(this, dwarf_cu, DW_AT_comp_dir, NULL);
929 LanguageType cu_language = (LanguageType)cu_die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_language, 0);
932 std::string ramapped_file;
933 FileSpec cu_file_spec;
935 if (cu_die_name[0] == '/' || cu_comp_dir == NULL || cu_comp_dir[0] == '\0')
937 // If we have a full path to the compile unit, we don't need to resolve
938 // the file. This can be expensive e.g. when the source files are NFS mounted.
939 if (module_sp->RemapSourceFile(cu_die_name, ramapped_file))
940 cu_file_spec.SetFile (ramapped_file.c_str(), false);
942 cu_file_spec.SetFile (cu_die_name, false);
946 std::string fullpath(cu_comp_dir);
947 if (*fullpath.rbegin() != '/')
949 fullpath += cu_die_name;
950 if (module_sp->RemapSourceFile (fullpath.c_str(), ramapped_file))
951 cu_file_spec.SetFile (ramapped_file.c_str(), false);
953 cu_file_spec.SetFile (fullpath.c_str(), false);
956 cu_sp.reset(new CompileUnit (module_sp,
959 MakeUserID(dwarf_cu->GetOffset()),
963 dwarf_cu->SetUserData(cu_sp.get());
965 // Figure out the compile unit index if we weren't given one
966 if (cu_idx == UINT32_MAX)
967 DebugInfo()->GetCompileUnit(dwarf_cu->GetOffset(), &cu_idx);
969 m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex(cu_idx, cu_sp);
981 SymbolFileDWARF::GetNumCompileUnits()
983 DWARFDebugInfo* info = DebugInfo();
985 return info->GetNumCompileUnits();
990 SymbolFileDWARF::ParseCompileUnitAtIndex(uint32_t cu_idx)
993 DWARFDebugInfo* info = DebugInfo();
996 DWARFCompileUnit* dwarf_cu = info->GetCompileUnitAtIndex(cu_idx);
998 cu_sp = ParseCompileUnit(dwarf_cu, cu_idx);
1004 AddRangesToBlock (Block& block,
1005 DWARFDebugRanges::RangeList& ranges,
1006 addr_t block_base_addr)
1008 const size_t num_ranges = ranges.GetSize();
1009 for (size_t i = 0; i<num_ranges; ++i)
1011 const DWARFDebugRanges::Range &range = ranges.GetEntryRef (i);
1012 const addr_t range_base = range.GetRangeBase();
1013 assert (range_base >= block_base_addr);
1014 block.AddRange(Block::Range (range_base - block_base_addr, range.GetByteSize()));;
1016 block.FinalizeRanges ();
1021 SymbolFileDWARF::ParseCompileUnitFunction (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry *die)
1023 DWARFDebugRanges::RangeList func_ranges;
1024 const char *name = NULL;
1025 const char *mangled = NULL;
1028 int decl_column = 0;
1031 int call_column = 0;
1032 DWARFExpression frame_base;
1034 assert (die->Tag() == DW_TAG_subprogram);
1036 if (die->Tag() != DW_TAG_subprogram)
1039 if (die->GetDIENamesAndRanges (this,
1052 // Union of all ranges in the function DIE (if the function is discontiguous)
1053 AddressRange func_range;
1054 lldb::addr_t lowest_func_addr = func_ranges.GetMinRangeBase (0);
1055 lldb::addr_t highest_func_addr = func_ranges.GetMaxRangeEnd (0);
1056 if (lowest_func_addr != LLDB_INVALID_ADDRESS && lowest_func_addr <= highest_func_addr)
1058 ModuleSP module_sp (m_obj_file->GetModule());
1059 func_range.GetBaseAddress().ResolveAddressUsingFileSections (lowest_func_addr, module_sp->GetSectionList());
1060 if (func_range.GetBaseAddress().IsValid())
1061 func_range.SetByteSize(highest_func_addr - lowest_func_addr);
1064 if (func_range.GetBaseAddress().IsValid())
1068 func_name.SetValue(ConstString(mangled), true);
1070 func_name.SetValue(ConstString(name), false);
1073 std::unique_ptr<Declaration> decl_ap;
1074 if (decl_file != 0 || decl_line != 0 || decl_column != 0)
1075 decl_ap.reset(new Declaration (sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(decl_file),
1079 // Supply the type _only_ if it has already been parsed
1080 Type *func_type = m_die_to_type.lookup (die);
1082 assert(func_type == NULL || func_type != DIE_IS_BEING_PARSED);
1084 if (FixupAddress (func_range.GetBaseAddress()))
1086 const user_id_t func_user_id = MakeUserID(die->GetOffset());
1087 func_sp.reset(new Function (sc.comp_unit,
1088 MakeUserID(func_user_id), // UserID is the DIE offset
1089 MakeUserID(func_user_id),
1092 func_range)); // first address range
1094 if (func_sp.get() != NULL)
1096 if (frame_base.IsValid())
1097 func_sp->GetFrameBaseExpression() = frame_base;
1098 sc.comp_unit->AddFunction(func_sp);
1099 return func_sp.get();
1108 SymbolFileDWARF::FixupAddress (Address &addr)
1110 SymbolFileDWARFDebugMap * debug_map_symfile = GetDebugMapSymfile ();
1111 if (debug_map_symfile)
1113 return debug_map_symfile->LinkOSOAddress(addr);
1115 // This is a normal DWARF file, no address fixups need to happen
1119 SymbolFileDWARF::ParseCompileUnitLanguage (const SymbolContext& sc)
1121 assert (sc.comp_unit);
1122 DWARFCompileUnit* dwarf_cu = GetDWARFCompileUnit(sc.comp_unit);
1125 const DWARFDebugInfoEntry *die = dwarf_cu->GetCompileUnitDIEOnly();
1128 const uint32_t language = die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_language, 0);
1130 return (lldb::LanguageType)language;
1133 return eLanguageTypeUnknown;
1137 SymbolFileDWARF::ParseCompileUnitFunctions(const SymbolContext &sc)
1139 assert (sc.comp_unit);
1140 size_t functions_added = 0;
1141 DWARFCompileUnit* dwarf_cu = GetDWARFCompileUnit(sc.comp_unit);
1144 DWARFDIECollection function_dies;
1145 const size_t num_functions = dwarf_cu->AppendDIEsWithTag (DW_TAG_subprogram, function_dies);
1147 for (func_idx = 0; func_idx < num_functions; ++func_idx)
1149 const DWARFDebugInfoEntry *die = function_dies.GetDIEPtrAtIndex(func_idx);
1150 if (sc.comp_unit->FindFunctionByUID (MakeUserID(die->GetOffset())).get() == NULL)
1152 if (ParseCompileUnitFunction(sc, dwarf_cu, die))
1158 return functions_added;
1162 SymbolFileDWARF::ParseCompileUnitSupportFiles (const SymbolContext& sc, FileSpecList& support_files)
1164 assert (sc.comp_unit);
1165 DWARFCompileUnit* dwarf_cu = GetDWARFCompileUnit(sc.comp_unit);
1168 const DWARFDebugInfoEntry * cu_die = dwarf_cu->GetCompileUnitDIEOnly();
1172 const char * cu_comp_dir = cu_die->GetAttributeValueAsString(this, dwarf_cu, DW_AT_comp_dir, NULL);
1173 dw_offset_t stmt_list = cu_die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_stmt_list, DW_INVALID_OFFSET);
1175 // All file indexes in DWARF are one based and a file of index zero is
1176 // supposed to be the compile unit itself.
1177 support_files.Append (*sc.comp_unit);
1179 return DWARFDebugLine::ParseSupportFiles(sc.comp_unit->GetModule(), get_debug_line_data(), cu_comp_dir, stmt_list, support_files);
1185 struct ParseDWARFLineTableCallbackInfo
1187 LineTable* line_table;
1188 std::unique_ptr<LineSequence> sequence_ap;
1191 //----------------------------------------------------------------------
1192 // ParseStatementTableCallback
1193 //----------------------------------------------------------------------
1195 ParseDWARFLineTableCallback(dw_offset_t offset, const DWARFDebugLine::State& state, void* userData)
1197 if (state.row == DWARFDebugLine::State::StartParsingLineTable)
1199 // Just started parsing the line table
1201 else if (state.row == DWARFDebugLine::State::DoneParsingLineTable)
1203 // Done parsing line table, nothing to do for the cleanup
1207 ParseDWARFLineTableCallbackInfo* info = (ParseDWARFLineTableCallbackInfo*)userData;
1208 LineTable* line_table = info->line_table;
1210 // If this is our first time here, we need to create a
1211 // sequence container.
1212 if (!info->sequence_ap.get())
1214 info->sequence_ap.reset(line_table->CreateLineSequenceContainer());
1215 assert(info->sequence_ap.get());
1217 line_table->AppendLineEntryToSequence (info->sequence_ap.get(),
1225 state.epilogue_begin,
1226 state.end_sequence);
1227 if (state.end_sequence)
1229 // First, put the current sequence into the line table.
1230 line_table->InsertSequence(info->sequence_ap.get());
1231 // Then, empty it to prepare for the next sequence.
1232 info->sequence_ap->Clear();
1238 SymbolFileDWARF::ParseCompileUnitLineTable (const SymbolContext &sc)
1240 assert (sc.comp_unit);
1241 if (sc.comp_unit->GetLineTable() != NULL)
1244 DWARFCompileUnit* dwarf_cu = GetDWARFCompileUnit(sc.comp_unit);
1247 const DWARFDebugInfoEntry *dwarf_cu_die = dwarf_cu->GetCompileUnitDIEOnly();
1250 const dw_offset_t cu_line_offset = dwarf_cu_die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_stmt_list, DW_INVALID_OFFSET);
1251 if (cu_line_offset != DW_INVALID_OFFSET)
1253 std::unique_ptr<LineTable> line_table_ap(new LineTable(sc.comp_unit));
1254 if (line_table_ap.get())
1256 ParseDWARFLineTableCallbackInfo info;
1257 info.line_table = line_table_ap.get();
1258 lldb::offset_t offset = cu_line_offset;
1259 DWARFDebugLine::ParseStatementTable(get_debug_line_data(), &offset, ParseDWARFLineTableCallback, &info);
1260 if (m_debug_map_symfile)
1262 // We have an object file that has a line table with addresses
1263 // that are not linked. We need to link the line table and convert
1264 // the addresses that are relative to the .o file into addresses
1265 // for the main executable.
1266 sc.comp_unit->SetLineTable (m_debug_map_symfile->LinkOSOLineTable (this, line_table_ap.get()));
1270 sc.comp_unit->SetLineTable(line_table_ap.release());
1281 SymbolFileDWARF::ParseFunctionBlocks
1283 const SymbolContext& sc,
1284 Block *parent_block,
1285 DWARFCompileUnit* dwarf_cu,
1286 const DWARFDebugInfoEntry *die,
1287 addr_t subprogram_low_pc,
1291 size_t blocks_added = 0;
1294 dw_tag_t tag = die->Tag();
1298 case DW_TAG_inlined_subroutine:
1299 case DW_TAG_subprogram:
1300 case DW_TAG_lexical_block:
1302 Block *block = NULL;
1303 if (tag == DW_TAG_subprogram)
1305 // Skip any DW_TAG_subprogram DIEs that are inside
1306 // of a normal or inlined functions. These will be
1307 // parsed on their own as separate entities.
1312 block = parent_block;
1316 BlockSP block_sp(new Block (MakeUserID(die->GetOffset())));
1317 parent_block->AddChild(block_sp);
1318 block = block_sp.get();
1320 DWARFDebugRanges::RangeList ranges;
1321 const char *name = NULL;
1322 const char *mangled_name = NULL;
1326 int decl_column = 0;
1329 int call_column = 0;
1330 if (die->GetDIENamesAndRanges (this,
1335 decl_file, decl_line, decl_column,
1336 call_file, call_line, call_column))
1338 if (tag == DW_TAG_subprogram)
1340 assert (subprogram_low_pc == LLDB_INVALID_ADDRESS);
1341 subprogram_low_pc = ranges.GetMinRangeBase(0);
1343 else if (tag == DW_TAG_inlined_subroutine)
1345 // We get called here for inlined subroutines in two ways.
1346 // The first time is when we are making the Function object
1347 // for this inlined concrete instance. Since we're creating a top level block at
1348 // here, the subprogram_low_pc will be LLDB_INVALID_ADDRESS. So we need to
1349 // adjust the containing address.
1350 // The second time is when we are parsing the blocks inside the function that contains
1351 // the inlined concrete instance. Since these will be blocks inside the containing "real"
1352 // function the offset will be for that function.
1353 if (subprogram_low_pc == LLDB_INVALID_ADDRESS)
1355 subprogram_low_pc = ranges.GetMinRangeBase(0);
1359 AddRangesToBlock (*block, ranges, subprogram_low_pc);
1361 if (tag != DW_TAG_subprogram && (name != NULL || mangled_name != NULL))
1363 std::unique_ptr<Declaration> decl_ap;
1364 if (decl_file != 0 || decl_line != 0 || decl_column != 0)
1365 decl_ap.reset(new Declaration(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(decl_file),
1366 decl_line, decl_column));
1368 std::unique_ptr<Declaration> call_ap;
1369 if (call_file != 0 || call_line != 0 || call_column != 0)
1370 call_ap.reset(new Declaration(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(call_file),
1371 call_line, call_column));
1373 block->SetInlinedFunctionInfo (name, mangled_name, decl_ap.get(), call_ap.get());
1378 if (die->HasChildren())
1380 blocks_added += ParseFunctionBlocks (sc,
1383 die->GetFirstChild(),
1394 // Only parse siblings of the block if we are not at depth zero. A depth
1395 // of zero indicates we are currently parsing the top level
1396 // DW_TAG_subprogram DIE
1401 die = die->GetSibling();
1403 return blocks_added;
1407 SymbolFileDWARF::ParseTemplateDIE (DWARFCompileUnit* dwarf_cu,
1408 const DWARFDebugInfoEntry *die,
1409 ClangASTContext::TemplateParameterInfos &template_param_infos)
1411 const dw_tag_t tag = die->Tag();
1415 case DW_TAG_template_type_parameter:
1416 case DW_TAG_template_value_parameter:
1418 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
1420 DWARFDebugInfoEntry::Attributes attributes;
1421 const size_t num_attributes = die->GetAttributes (this,
1425 const char *name = NULL;
1426 Type *lldb_type = NULL;
1427 ClangASTType clang_type;
1428 uint64_t uval64 = 0;
1429 bool uval64_valid = false;
1430 if (num_attributes > 0)
1432 DWARFFormValue form_value;
1433 for (size_t i=0; i<num_attributes; ++i)
1435 const dw_attr_t attr = attributes.AttributeAtIndex(i);
1440 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
1441 name = form_value.AsCString(&get_debug_str_data());
1445 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
1447 const dw_offset_t type_die_offset = form_value.Reference(dwarf_cu);
1448 lldb_type = ResolveTypeUID(type_die_offset);
1450 clang_type = lldb_type->GetClangForwardType();
1454 case DW_AT_const_value:
1455 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
1457 uval64_valid = true;
1458 uval64 = form_value.Unsigned();
1466 clang::ASTContext *ast = GetClangASTContext().getASTContext();
1468 clang_type = GetClangASTContext().GetBasicType(eBasicTypeVoid);
1472 bool is_signed = false;
1473 if (name && name[0])
1474 template_param_infos.names.push_back(name);
1476 template_param_infos.names.push_back(NULL);
1478 if (tag == DW_TAG_template_value_parameter &&
1479 lldb_type != NULL &&
1480 clang_type.IsIntegerType (is_signed) &&
1483 llvm::APInt apint (lldb_type->GetByteSize() * 8, uval64, is_signed);
1484 template_param_infos.args.push_back (clang::TemplateArgument (*ast,
1485 llvm::APSInt(apint),
1486 clang_type.GetQualType()));
1490 template_param_infos.args.push_back (clang::TemplateArgument (clang_type.GetQualType()));
1509 SymbolFileDWARF::ParseTemplateParameterInfos (DWARFCompileUnit* dwarf_cu,
1510 const DWARFDebugInfoEntry *parent_die,
1511 ClangASTContext::TemplateParameterInfos &template_param_infos)
1514 if (parent_die == NULL)
1517 Args template_parameter_names;
1518 for (const DWARFDebugInfoEntry *die = parent_die->GetFirstChild();
1520 die = die->GetSibling())
1522 const dw_tag_t tag = die->Tag();
1526 case DW_TAG_template_type_parameter:
1527 case DW_TAG_template_value_parameter:
1528 ParseTemplateDIE (dwarf_cu, die, template_param_infos);
1535 if (template_param_infos.args.empty())
1537 return template_param_infos.args.size() == template_param_infos.names.size();
1540 clang::ClassTemplateDecl *
1541 SymbolFileDWARF::ParseClassTemplateDecl (clang::DeclContext *decl_ctx,
1542 lldb::AccessType access_type,
1543 const char *parent_name,
1545 const ClangASTContext::TemplateParameterInfos &template_param_infos)
1547 if (template_param_infos.IsValid())
1549 std::string template_basename(parent_name);
1550 template_basename.erase (template_basename.find('<'));
1551 ClangASTContext &ast = GetClangASTContext();
1553 return ast.CreateClassTemplateDecl (decl_ctx,
1555 template_basename.c_str(),
1557 template_param_infos);
1562 class SymbolFileDWARF::DelayedAddObjCClassProperty
1565 DelayedAddObjCClassProperty
1567 const ClangASTType &class_opaque_type,
1568 const char *property_name,
1569 const ClangASTType &property_opaque_type, // The property type is only required if you don't have an ivar decl
1570 clang::ObjCIvarDecl *ivar_decl,
1571 const char *property_setter_name,
1572 const char *property_getter_name,
1573 uint32_t property_attributes,
1574 const ClangASTMetadata *metadata
1576 m_class_opaque_type (class_opaque_type),
1577 m_property_name (property_name),
1578 m_property_opaque_type (property_opaque_type),
1579 m_ivar_decl (ivar_decl),
1580 m_property_setter_name (property_setter_name),
1581 m_property_getter_name (property_getter_name),
1582 m_property_attributes (property_attributes)
1584 if (metadata != NULL)
1586 m_metadata_ap.reset(new ClangASTMetadata());
1587 *m_metadata_ap = *metadata;
1591 DelayedAddObjCClassProperty (const DelayedAddObjCClassProperty &rhs)
1596 DelayedAddObjCClassProperty& operator= (const DelayedAddObjCClassProperty &rhs)
1598 m_class_opaque_type = rhs.m_class_opaque_type;
1599 m_property_name = rhs.m_property_name;
1600 m_property_opaque_type = rhs.m_property_opaque_type;
1601 m_ivar_decl = rhs.m_ivar_decl;
1602 m_property_setter_name = rhs.m_property_setter_name;
1603 m_property_getter_name = rhs.m_property_getter_name;
1604 m_property_attributes = rhs.m_property_attributes;
1606 if (rhs.m_metadata_ap.get())
1608 m_metadata_ap.reset (new ClangASTMetadata());
1609 *m_metadata_ap = *rhs.m_metadata_ap;
1617 return m_class_opaque_type.AddObjCClassProperty (m_property_name,
1618 m_property_opaque_type,
1620 m_property_setter_name,
1621 m_property_getter_name,
1622 m_property_attributes,
1623 m_metadata_ap.get());
1626 ClangASTType m_class_opaque_type;
1627 const char *m_property_name;
1628 ClangASTType m_property_opaque_type;
1629 clang::ObjCIvarDecl *m_ivar_decl;
1630 const char *m_property_setter_name;
1631 const char *m_property_getter_name;
1632 uint32_t m_property_attributes;
1633 std::unique_ptr<ClangASTMetadata> m_metadata_ap;
1639 uint64_t bit_offset;
1642 bit_size (LLDB_INVALID_ADDRESS),
1643 bit_offset (LLDB_INVALID_ADDRESS)
1649 return (bit_size != LLDB_INVALID_ADDRESS) &&
1650 (bit_offset != LLDB_INVALID_ADDRESS);
1656 SymbolFileDWARF::ClassOrStructIsVirtual (DWARFCompileUnit* dwarf_cu,
1657 const DWARFDebugInfoEntry *parent_die)
1661 for (const DWARFDebugInfoEntry *die = parent_die->GetFirstChild(); die != NULL; die = die->GetSibling())
1663 dw_tag_t tag = die->Tag();
1664 bool check_virtuality = false;
1667 case DW_TAG_inheritance:
1668 case DW_TAG_subprogram:
1669 check_virtuality = true;
1674 if (check_virtuality)
1676 if (die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_virtuality, 0) != 0)
1685 SymbolFileDWARF::ParseChildMembers
1687 const SymbolContext& sc,
1688 DWARFCompileUnit* dwarf_cu,
1689 const DWARFDebugInfoEntry *parent_die,
1690 ClangASTType &class_clang_type,
1691 const LanguageType class_language,
1692 std::vector<clang::CXXBaseSpecifier *>& base_classes,
1693 std::vector<int>& member_accessibilities,
1694 DWARFDIECollection& member_function_dies,
1695 DelayedPropertyList& delayed_properties,
1696 AccessType& default_accessibility,
1698 LayoutInfo &layout_info
1701 if (parent_die == NULL)
1705 const DWARFDebugInfoEntry *die;
1706 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
1707 uint32_t member_idx = 0;
1708 BitfieldInfo last_field_info;
1709 ModuleSP module = GetObjectFile()->GetModule();
1711 for (die = parent_die->GetFirstChild(); die != NULL; die = die->GetSibling())
1713 dw_tag_t tag = die->Tag();
1718 case DW_TAG_APPLE_property:
1720 DWARFDebugInfoEntry::Attributes attributes;
1721 const size_t num_attributes = die->GetAttributes (this,
1725 if (num_attributes > 0)
1728 //DWARFExpression location;
1729 const char *name = NULL;
1730 const char *prop_name = NULL;
1731 const char *prop_getter_name = NULL;
1732 const char *prop_setter_name = NULL;
1733 uint32_t prop_attributes = 0;
1736 bool is_artificial = false;
1737 lldb::user_id_t encoding_uid = LLDB_INVALID_UID;
1738 AccessType accessibility = eAccessNone;
1739 uint32_t member_byte_offset = UINT32_MAX;
1740 size_t byte_size = 0;
1741 size_t bit_offset = 0;
1742 size_t bit_size = 0;
1743 bool is_external = false; // On DW_TAG_members, this means the member is static
1745 for (i=0; i<num_attributes && !is_artificial; ++i)
1747 const dw_attr_t attr = attributes.AttributeAtIndex(i);
1748 DWARFFormValue form_value;
1749 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
1753 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
1754 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
1755 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
1756 case DW_AT_name: name = form_value.AsCString(&get_debug_str_data()); break;
1757 case DW_AT_type: encoding_uid = form_value.Reference(dwarf_cu); break;
1758 case DW_AT_bit_offset: bit_offset = form_value.Unsigned(); break;
1759 case DW_AT_bit_size: bit_size = form_value.Unsigned(); break;
1760 case DW_AT_byte_size: byte_size = form_value.Unsigned(); break;
1761 case DW_AT_data_member_location:
1762 if (form_value.BlockData())
1764 Value initialValue(0);
1765 Value memberOffset(0);
1766 const DWARFDataExtractor& debug_info_data = get_debug_info_data();
1767 uint32_t block_length = form_value.Unsigned();
1768 uint32_t block_offset = form_value.BlockData() - debug_info_data.GetDataStart();
1769 if (DWARFExpression::Evaluate(NULL, // ExecutionContext *
1770 NULL, // ClangExpressionVariableList *
1771 NULL, // ClangExpressionDeclMap *
1772 NULL, // RegisterContext *
1782 member_byte_offset = memberOffset.ResolveValue(NULL).UInt();
1787 // With DWARF 3 and later, if the value is an integer constant,
1788 // this form value is the offset in bytes from the beginning
1789 // of the containing entity.
1790 member_byte_offset = form_value.Unsigned();
1794 case DW_AT_accessibility: accessibility = DW_ACCESS_to_AccessType (form_value.Unsigned()); break;
1795 case DW_AT_artificial: is_artificial = form_value.Boolean(); break;
1796 case DW_AT_APPLE_property_name: prop_name = form_value.AsCString(&get_debug_str_data()); break;
1797 case DW_AT_APPLE_property_getter: prop_getter_name = form_value.AsCString(&get_debug_str_data()); break;
1798 case DW_AT_APPLE_property_setter: prop_setter_name = form_value.AsCString(&get_debug_str_data()); break;
1799 case DW_AT_APPLE_property_attribute: prop_attributes = form_value.Unsigned(); break;
1800 case DW_AT_external: is_external = form_value.Boolean(); break;
1803 case DW_AT_declaration:
1804 case DW_AT_description:
1806 case DW_AT_visibility:
1815 ConstString fixed_getter;
1816 ConstString fixed_setter;
1818 // Check if the property getter/setter were provided as full
1819 // names. We want basenames, so we extract them.
1821 if (prop_getter_name && prop_getter_name[0] == '-')
1823 ObjCLanguageRuntime::MethodName prop_getter_method(prop_getter_name, true);
1824 prop_getter_name = prop_getter_method.GetSelector().GetCString();
1827 if (prop_setter_name && prop_setter_name[0] == '-')
1829 ObjCLanguageRuntime::MethodName prop_setter_method(prop_setter_name, true);
1830 prop_setter_name = prop_setter_method.GetSelector().GetCString();
1833 // If the names haven't been provided, they need to be
1836 if (!prop_getter_name)
1838 prop_getter_name = prop_name;
1840 if (!prop_setter_name && prop_name[0] && !(prop_attributes & DW_APPLE_PROPERTY_readonly))
1844 ss.Printf("set%c%s:",
1845 toupper(prop_name[0]),
1848 fixed_setter.SetCString(ss.GetData());
1849 prop_setter_name = fixed_setter.GetCString();
1853 // Clang has a DWARF generation bug where sometimes it
1854 // represents fields that are references with bad byte size
1855 // and bit size/offset information such as:
1857 // DW_AT_byte_size( 0x00 )
1858 // DW_AT_bit_size( 0x40 )
1859 // DW_AT_bit_offset( 0xffffffffffffffc0 )
1861 // So check the bit offset to make sure it is sane, and if
1862 // the values are not sane, remove them. If we don't do this
1863 // then we will end up with a crash if we try to use this
1864 // type in an expression when clang becomes unhappy with its
1865 // recycled debug info.
1867 if (bit_offset > 128)
1873 // FIXME: Make Clang ignore Objective-C accessibility for expressions
1874 if (class_language == eLanguageTypeObjC ||
1875 class_language == eLanguageTypeObjC_plus_plus)
1876 accessibility = eAccessNone;
1878 if (member_idx == 0 && !is_artificial && name && (strstr (name, "_vptr$") == name))
1880 // Not all compilers will mark the vtable pointer
1881 // member as artificial (llvm-gcc). We can't have
1882 // the virtual members in our classes otherwise it
1883 // throws off all child offsets since we end up
1884 // having and extra pointer sized member in our
1886 is_artificial = true;
1889 // Handle static members
1890 if (is_external && member_byte_offset == UINT32_MAX)
1892 Type *var_type = ResolveTypeUID(encoding_uid);
1896 if (accessibility == eAccessNone)
1897 accessibility = eAccessPublic;
1898 class_clang_type.AddVariableToRecordType (name,
1899 var_type->GetClangLayoutType(),
1905 if (is_artificial == false)
1907 Type *member_type = ResolveTypeUID(encoding_uid);
1909 clang::FieldDecl *field_decl = NULL;
1910 if (tag == DW_TAG_member)
1914 if (accessibility == eAccessNone)
1915 accessibility = default_accessibility;
1916 member_accessibilities.push_back(accessibility);
1918 BitfieldInfo this_field_info;
1920 this_field_info.bit_size = bit_size;
1922 if (member_byte_offset != UINT32_MAX || bit_size != 0)
1924 /////////////////////////////////////////////////////////////
1925 // How to locate a field given the DWARF debug information
1927 // AT_byte_size indicates the size of the word in which the
1928 // bit offset must be interpreted.
1930 // AT_data_member_location indicates the byte offset of the
1931 // word from the base address of the structure.
1933 // AT_bit_offset indicates how many bits into the word
1934 // (according to the host endianness) the low-order bit of
1935 // the field starts. AT_bit_offset can be negative.
1937 // AT_bit_size indicates the size of the field in bits.
1938 /////////////////////////////////////////////////////////////
1940 this_field_info.bit_offset = 0;
1942 this_field_info.bit_offset += (member_byte_offset == UINT32_MAX ? 0 : (member_byte_offset * 8));
1944 if (GetObjectFile()->GetByteOrder() == eByteOrderLittle)
1946 this_field_info.bit_offset += byte_size * 8;
1947 this_field_info.bit_offset -= (bit_offset + bit_size);
1951 this_field_info.bit_offset += bit_offset;
1955 // If the member to be emitted did not start on a character boundary and there is
1956 // empty space between the last field and this one, then we need to emit an
1957 // anonymous member filling up the space up to its start. There are three cases
1960 // 1 If the previous member ended on a character boundary, then we can emit an
1961 // anonymous member starting at the most recent character boundary.
1963 // 2 If the previous member did not end on a character boundary and the distance
1964 // from the end of the previous member to the current member is less than a
1965 // word width, then we can emit an anonymous member starting right after the
1966 // previous member and right before this member.
1968 // 3 If the previous member did not end on a character boundary and the distance
1969 // from the end of the previous member to the current member is greater than
1970 // or equal a word width, then we act as in Case 1.
1972 const uint64_t character_width = 8;
1973 const uint64_t word_width = 32;
1975 if (this_field_info.IsValid())
1977 // Objective-C has invalid DW_AT_bit_offset values in older versions
1978 // of clang, so we have to be careful and only insert unnammed bitfields
1979 // if we have a new enough clang.
1980 bool detect_unnamed_bitfields = true;
1982 if (class_language == eLanguageTypeObjC || class_language == eLanguageTypeObjC_plus_plus)
1983 detect_unnamed_bitfields = dwarf_cu->Supports_unnamed_objc_bitfields ();
1985 if (detect_unnamed_bitfields)
1987 BitfieldInfo anon_field_info;
1989 if ((this_field_info.bit_offset % character_width) != 0) // not char aligned
1991 uint64_t last_field_end = 0;
1993 if (last_field_info.IsValid())
1994 last_field_end = last_field_info.bit_offset + last_field_info.bit_size;
1996 if (this_field_info.bit_offset != last_field_end)
1998 if (((last_field_end % character_width) == 0) || // case 1
1999 (this_field_info.bit_offset - last_field_end >= word_width)) // case 3
2001 anon_field_info.bit_size = this_field_info.bit_offset % character_width;
2002 anon_field_info.bit_offset = this_field_info.bit_offset - anon_field_info.bit_size;
2006 anon_field_info.bit_size = this_field_info.bit_offset - last_field_end;
2007 anon_field_info.bit_offset = last_field_end;
2012 if (anon_field_info.IsValid())
2014 clang::FieldDecl *unnamed_bitfield_decl = class_clang_type.AddFieldToRecordType (NULL,
2015 GetClangASTContext().GetBuiltinTypeForEncodingAndBitSize(eEncodingSint, word_width),
2017 anon_field_info.bit_size);
2019 layout_info.field_offsets.insert(std::make_pair(unnamed_bitfield_decl, anon_field_info.bit_offset));
2024 ClangASTType member_clang_type = member_type->GetClangLayoutType();
2027 // Older versions of clang emit array[0] and array[1] in the same way (<rdar://problem/12566646>).
2028 // If the current field is at the end of the structure, then there is definitely no room for extra
2029 // elements and we override the type to array[0].
2031 ClangASTType member_array_element_type;
2032 uint64_t member_array_size;
2033 bool member_array_is_incomplete;
2035 if (member_clang_type.IsArrayType(&member_array_element_type,
2037 &member_array_is_incomplete) &&
2038 !member_array_is_incomplete)
2040 uint64_t parent_byte_size = parent_die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_byte_size, UINT64_MAX);
2042 if (member_byte_offset >= parent_byte_size)
2044 if (member_array_size != 1)
2046 GetObjectFile()->GetModule()->ReportError ("0x%8.8" PRIx64 ": DW_TAG_member '%s' refers to type 0x%8.8" PRIx64 " which extends beyond the bounds of 0x%8.8" PRIx64,
2047 MakeUserID(die->GetOffset()),
2050 MakeUserID(parent_die->GetOffset()));
2053 member_clang_type = GetClangASTContext().CreateArrayType(member_array_element_type, 0, false);
2058 field_decl = class_clang_type.AddFieldToRecordType (name,
2063 GetClangASTContext().SetMetadataAsUserID (field_decl, MakeUserID(die->GetOffset()));
2065 if (this_field_info.IsValid())
2067 layout_info.field_offsets.insert(std::make_pair(field_decl, this_field_info.bit_offset));
2068 last_field_info = this_field_info;
2074 GetObjectFile()->GetModule()->ReportError ("0x%8.8" PRIx64 ": DW_TAG_member '%s' refers to type 0x%8.8" PRIx64 " which was unable to be parsed",
2075 MakeUserID(die->GetOffset()),
2079 GetObjectFile()->GetModule()->ReportError ("0x%8.8" PRIx64 ": DW_TAG_member refers to type 0x%8.8" PRIx64 " which was unable to be parsed",
2080 MakeUserID(die->GetOffset()),
2085 if (prop_name != NULL)
2087 clang::ObjCIvarDecl *ivar_decl = NULL;
2091 ivar_decl = clang::dyn_cast<clang::ObjCIvarDecl>(field_decl);
2092 assert (ivar_decl != NULL);
2095 ClangASTMetadata metadata;
2096 metadata.SetUserID (MakeUserID(die->GetOffset()));
2097 delayed_properties.push_back(DelayedAddObjCClassProperty(class_clang_type,
2099 member_type->GetClangLayoutType(),
2107 GetClangASTContext().SetMetadataAsUserID (ivar_decl, MakeUserID(die->GetOffset()));
2115 case DW_TAG_subprogram:
2116 // Let the type parsing code handle this one for us.
2117 member_function_dies.Append (die);
2120 case DW_TAG_inheritance:
2123 if (default_accessibility == eAccessNone)
2124 default_accessibility = eAccessPrivate;
2125 // TODO: implement DW_TAG_inheritance type parsing
2126 DWARFDebugInfoEntry::Attributes attributes;
2127 const size_t num_attributes = die->GetAttributes (this,
2131 if (num_attributes > 0)
2134 DWARFExpression location;
2135 lldb::user_id_t encoding_uid = LLDB_INVALID_UID;
2136 AccessType accessibility = default_accessibility;
2137 bool is_virtual = false;
2138 bool is_base_of_class = true;
2139 off_t member_byte_offset = 0;
2141 for (i=0; i<num_attributes; ++i)
2143 const dw_attr_t attr = attributes.AttributeAtIndex(i);
2144 DWARFFormValue form_value;
2145 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
2149 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
2150 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
2151 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
2152 case DW_AT_type: encoding_uid = form_value.Reference(dwarf_cu); break;
2153 case DW_AT_data_member_location:
2154 if (form_value.BlockData())
2156 Value initialValue(0);
2157 Value memberOffset(0);
2158 const DWARFDataExtractor& debug_info_data = get_debug_info_data();
2159 uint32_t block_length = form_value.Unsigned();
2160 uint32_t block_offset = form_value.BlockData() - debug_info_data.GetDataStart();
2161 if (DWARFExpression::Evaluate (NULL,
2174 member_byte_offset = memberOffset.ResolveValue(NULL).UInt();
2179 // With DWARF 3 and later, if the value is an integer constant,
2180 // this form value is the offset in bytes from the beginning
2181 // of the containing entity.
2182 member_byte_offset = form_value.Unsigned();
2186 case DW_AT_accessibility:
2187 accessibility = DW_ACCESS_to_AccessType(form_value.Unsigned());
2190 case DW_AT_virtuality:
2191 is_virtual = form_value.Boolean();
2203 Type *base_class_type = ResolveTypeUID(encoding_uid);
2204 assert(base_class_type);
2206 ClangASTType base_class_clang_type = base_class_type->GetClangFullType();
2207 assert (base_class_clang_type);
2208 if (class_language == eLanguageTypeObjC)
2210 class_clang_type.SetObjCSuperClass(base_class_clang_type);
2214 base_classes.push_back (base_class_clang_type.CreateBaseClassSpecifier (accessibility,
2220 // Do not specify any offset for virtual inheritance. The DWARF produced by clang doesn't
2221 // give us a constant offset, but gives us a DWARF expressions that requires an actual object
2222 // in memory. the DW_AT_data_member_location for a virtual base class looks like:
2223 // DW_AT_data_member_location( DW_OP_dup, DW_OP_deref, DW_OP_constu(0x00000018), DW_OP_minus, DW_OP_deref, DW_OP_plus )
2224 // Given this, there is really no valid response we can give to clang for virtual base
2225 // class offsets, and this should eventually be removed from LayoutRecordType() in the external
2226 // AST source in clang.
2230 layout_info.base_offsets.insert(std::make_pair(base_class_clang_type.GetAsCXXRecordDecl(),
2231 clang::CharUnits::fromQuantity(member_byte_offset)));
2248 SymbolFileDWARF::GetClangDeclContextContainingTypeUID (lldb::user_id_t type_uid)
2250 DWARFDebugInfo* debug_info = DebugInfo();
2251 if (debug_info && UserIDMatches(type_uid))
2253 DWARFCompileUnitSP cu_sp;
2254 const DWARFDebugInfoEntry* die = debug_info->GetDIEPtr(type_uid, &cu_sp);
2256 return GetClangDeclContextContainingDIE (cu_sp.get(), die, NULL);
2262 SymbolFileDWARF::GetClangDeclContextForTypeUID (const lldb_private::SymbolContext &sc, lldb::user_id_t type_uid)
2264 if (UserIDMatches(type_uid))
2265 return GetClangDeclContextForDIEOffset (sc, type_uid);
2270 SymbolFileDWARF::ResolveTypeUID (lldb::user_id_t type_uid)
2272 if (UserIDMatches(type_uid))
2274 DWARFDebugInfo* debug_info = DebugInfo();
2277 DWARFCompileUnitSP cu_sp;
2278 const DWARFDebugInfoEntry* type_die = debug_info->GetDIEPtr(type_uid, &cu_sp);
2279 const bool assert_not_being_parsed = true;
2280 return ResolveTypeUID (cu_sp.get(), type_die, assert_not_being_parsed);
2287 SymbolFileDWARF::ResolveTypeUID (DWARFCompileUnit* cu, const DWARFDebugInfoEntry* die, bool assert_not_being_parsed)
2291 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO));
2293 GetObjectFile()->GetModule()->LogMessage (log,
2294 "SymbolFileDWARF::ResolveTypeUID (die = 0x%8.8x) %s '%s'",
2296 DW_TAG_value_to_name(die->Tag()),
2297 die->GetName(this, cu));
2299 // We might be coming in in the middle of a type tree (a class
2300 // withing a class, an enum within a class), so parse any needed
2301 // parent DIEs before we get to this one...
2302 const DWARFDebugInfoEntry *decl_ctx_die = GetDeclContextDIEContainingDIE (cu, die);
2303 switch (decl_ctx_die->Tag())
2305 case DW_TAG_structure_type:
2306 case DW_TAG_union_type:
2307 case DW_TAG_class_type:
2309 // Get the type, which could be a forward declaration
2311 GetObjectFile()->GetModule()->LogMessage (log,
2312 "SymbolFileDWARF::ResolveTypeUID (die = 0x%8.8x) %s '%s' resolve parent forward type for 0x%8.8x",
2314 DW_TAG_value_to_name(die->Tag()),
2315 die->GetName(this, cu),
2316 decl_ctx_die->GetOffset());
2318 // Type *parent_type = ResolveTypeUID (cu, decl_ctx_die, assert_not_being_parsed);
2319 // if (child_requires_parent_class_union_or_struct_to_be_completed(die->Tag()))
2322 // GetObjectFile()->GetModule()->LogMessage (log,
2323 // "SymbolFileDWARF::ResolveTypeUID (die = 0x%8.8x) %s '%s' resolve parent full type for 0x%8.8x since die is a function",
2324 // die->GetOffset(),
2325 // DW_TAG_value_to_name(die->Tag()),
2326 // die->GetName(this, cu),
2327 // decl_ctx_die->GetOffset());
2328 // // Ask the type to complete itself if it already hasn't since if we
2329 // // want a function (method or static) from a class, the class must
2330 // // create itself and add it's own methods and class functions.
2332 // parent_type->GetClangFullType();
2340 return ResolveType (cu, die);
2345 // This function is used when SymbolFileDWARFDebugMap owns a bunch of
2346 // SymbolFileDWARF objects to detect if this DWARF file is the one that
2347 // can resolve a clang_type.
2349 SymbolFileDWARF::HasForwardDeclForClangType (const ClangASTType &clang_type)
2351 ClangASTType clang_type_no_qualifiers = clang_type.RemoveFastQualifiers();
2352 const DWARFDebugInfoEntry* die = m_forward_decl_clang_type_to_die.lookup (clang_type_no_qualifiers.GetOpaqueQualType());
2358 SymbolFileDWARF::ResolveClangOpaqueTypeDefinition (ClangASTType &clang_type)
2360 // We have a struct/union/class/enum that needs to be fully resolved.
2361 ClangASTType clang_type_no_qualifiers = clang_type.RemoveFastQualifiers();
2362 const DWARFDebugInfoEntry* die = m_forward_decl_clang_type_to_die.lookup (clang_type_no_qualifiers.GetOpaqueQualType());
2365 // We have already resolved this type...
2368 // Once we start resolving this type, remove it from the forward declaration
2369 // map in case anyone child members or other types require this type to get resolved.
2370 // The type will get resolved when all of the calls to SymbolFileDWARF::ResolveClangOpaqueTypeDefinition
2372 m_forward_decl_clang_type_to_die.erase (clang_type_no_qualifiers.GetOpaqueQualType());
2375 // Disable external storage for this type so we don't get anymore
2376 // clang::ExternalASTSource queries for this type.
2377 clang_type.SetHasExternalStorage (false);
2379 DWARFDebugInfo* debug_info = DebugInfo();
2381 DWARFCompileUnit *dwarf_cu = debug_info->GetCompileUnitContainingDIE (die->GetOffset()).get();
2382 Type *type = m_die_to_type.lookup (die);
2384 const dw_tag_t tag = die->Tag();
2386 Log *log (LogChannelDWARF::GetLogIfAny(DWARF_LOG_DEBUG_INFO|DWARF_LOG_TYPE_COMPLETION));
2389 GetObjectFile()->GetModule()->LogMessageVerboseBacktrace (log,
2390 "0x%8.8" PRIx64 ": %s '%s' resolving forward declaration...",
2391 MakeUserID(die->GetOffset()),
2392 DW_TAG_value_to_name(tag),
2393 type->GetName().AsCString());
2396 assert (clang_type);
2397 DWARFDebugInfoEntry::Attributes attributes;
2401 case DW_TAG_structure_type:
2402 case DW_TAG_union_type:
2403 case DW_TAG_class_type:
2405 LayoutInfo layout_info;
2408 if (die->HasChildren())
2411 LanguageType class_language = eLanguageTypeUnknown;
2412 if (clang_type.IsObjCObjectOrInterfaceType())
2414 class_language = eLanguageTypeObjC;
2415 // For objective C we don't start the definition when
2416 // the class is created.
2417 clang_type.StartTagDeclarationDefinition ();
2420 int tag_decl_kind = -1;
2421 AccessType default_accessibility = eAccessNone;
2422 if (tag == DW_TAG_structure_type)
2424 tag_decl_kind = clang::TTK_Struct;
2425 default_accessibility = eAccessPublic;
2427 else if (tag == DW_TAG_union_type)
2429 tag_decl_kind = clang::TTK_Union;
2430 default_accessibility = eAccessPublic;
2432 else if (tag == DW_TAG_class_type)
2434 tag_decl_kind = clang::TTK_Class;
2435 default_accessibility = eAccessPrivate;
2438 SymbolContext sc(GetCompUnitForDWARFCompUnit(dwarf_cu));
2439 std::vector<clang::CXXBaseSpecifier *> base_classes;
2440 std::vector<int> member_accessibilities;
2441 bool is_a_class = false;
2442 // Parse members and base classes first
2443 DWARFDIECollection member_function_dies;
2445 DelayedPropertyList delayed_properties;
2446 ParseChildMembers (sc,
2452 member_accessibilities,
2453 member_function_dies,
2455 default_accessibility,
2459 // Now parse any methods if there were any...
2460 size_t num_functions = member_function_dies.Size();
2461 if (num_functions > 0)
2463 for (size_t i=0; i<num_functions; ++i)
2465 ResolveType(dwarf_cu, member_function_dies.GetDIEPtrAtIndex(i));
2469 if (class_language == eLanguageTypeObjC)
2471 ConstString class_name (clang_type.GetTypeName());
2475 DIEArray method_die_offsets;
2476 if (m_using_apple_tables)
2478 if (m_apple_objc_ap.get())
2479 m_apple_objc_ap->FindByName(class_name.GetCString(), method_die_offsets);
2486 m_objc_class_selectors_index.Find (class_name, method_die_offsets);
2489 if (!method_die_offsets.empty())
2491 DWARFDebugInfo* debug_info = DebugInfo();
2493 DWARFCompileUnit* method_cu = NULL;
2494 const size_t num_matches = method_die_offsets.size();
2495 for (size_t i=0; i<num_matches; ++i)
2497 const dw_offset_t die_offset = method_die_offsets[i];
2498 DWARFDebugInfoEntry *method_die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &method_cu);
2501 ResolveType (method_cu, method_die);
2504 if (m_using_apple_tables)
2506 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_objc accelerator table had bad die 0x%8.8x for '%s')\n",
2507 die_offset, class_name.GetCString());
2513 for (DelayedPropertyList::iterator pi = delayed_properties.begin(), pe = delayed_properties.end();
2520 // If we have a DW_TAG_structure_type instead of a DW_TAG_class_type we
2521 // need to tell the clang type it is actually a class.
2522 if (class_language != eLanguageTypeObjC)
2524 if (is_a_class && tag_decl_kind != clang::TTK_Class)
2525 clang_type.SetTagTypeKind (clang::TTK_Class);
2528 // Since DW_TAG_structure_type gets used for both classes
2529 // and structures, we may need to set any DW_TAG_member
2530 // fields to have a "private" access if none was specified.
2531 // When we parsed the child members we tracked that actual
2532 // accessibility value for each DW_TAG_member in the
2533 // "member_accessibilities" array. If the value for the
2534 // member is zero, then it was set to the "default_accessibility"
2535 // which for structs was "public". Below we correct this
2536 // by setting any fields to "private" that weren't correctly
2538 if (is_a_class && !member_accessibilities.empty())
2540 // This is a class and all members that didn't have
2541 // their access specified are private.
2542 clang_type.SetDefaultAccessForRecordFields (eAccessPrivate,
2543 &member_accessibilities.front(),
2544 member_accessibilities.size());
2547 if (!base_classes.empty())
2549 clang_type.SetBaseClassesForClassType (&base_classes.front(),
2550 base_classes.size());
2552 // Clang will copy each CXXBaseSpecifier in "base_classes"
2553 // so we have to free them all.
2554 ClangASTType::DeleteBaseClassSpecifiers (&base_classes.front(),
2555 base_classes.size());
2560 clang_type.BuildIndirectFields ();
2561 clang_type.CompleteTagDeclarationDefinition ();
2563 if (!layout_info.field_offsets.empty() ||
2564 !layout_info.base_offsets.empty() ||
2565 !layout_info.vbase_offsets.empty() )
2568 layout_info.bit_size = type->GetByteSize() * 8;
2569 if (layout_info.bit_size == 0)
2570 layout_info.bit_size = die->GetAttributeValueAsUnsigned(this, dwarf_cu, DW_AT_byte_size, 0) * 8;
2572 clang::CXXRecordDecl *record_decl = clang_type.GetAsCXXRecordDecl();
2577 GetObjectFile()->GetModule()->LogMessage (log,
2578 "SymbolFileDWARF::ResolveClangOpaqueTypeDefinition (clang_type = %p) caching layout info for record_decl = %p, bit_size = %" PRIu64 ", alignment = %" PRIu64 ", field_offsets[%u], base_offsets[%u], vbase_offsets[%u])",
2579 clang_type.GetOpaqueQualType(),
2581 layout_info.bit_size,
2582 layout_info.alignment,
2583 (uint32_t)layout_info.field_offsets.size(),
2584 (uint32_t)layout_info.base_offsets.size(),
2585 (uint32_t)layout_info.vbase_offsets.size());
2589 llvm::DenseMap <const clang::FieldDecl *, uint64_t>::const_iterator pos, end = layout_info.field_offsets.end();
2590 for (idx = 0, pos = layout_info.field_offsets.begin(); pos != end; ++pos, ++idx)
2592 GetObjectFile()->GetModule()->LogMessage (log,
2593 "SymbolFileDWARF::ResolveClangOpaqueTypeDefinition (clang_type = %p) field[%u] = { bit_offset=%u, name='%s' }",
2594 clang_type.GetOpaqueQualType(),
2596 (uint32_t)pos->second,
2597 pos->first->getNameAsString().c_str());
2602 llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits>::const_iterator base_pos, base_end = layout_info.base_offsets.end();
2603 for (idx = 0, base_pos = layout_info.base_offsets.begin(); base_pos != base_end; ++base_pos, ++idx)
2605 GetObjectFile()->GetModule()->LogMessage (log,
2606 "SymbolFileDWARF::ResolveClangOpaqueTypeDefinition (clang_type = %p) base[%u] = { byte_offset=%u, name='%s' }",
2607 clang_type.GetOpaqueQualType(),
2609 (uint32_t)base_pos->second.getQuantity(),
2610 base_pos->first->getNameAsString().c_str());
2614 llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits>::const_iterator vbase_pos, vbase_end = layout_info.vbase_offsets.end();
2615 for (idx = 0, vbase_pos = layout_info.vbase_offsets.begin(); vbase_pos != vbase_end; ++vbase_pos, ++idx)
2617 GetObjectFile()->GetModule()->LogMessage (log,
2618 "SymbolFileDWARF::ResolveClangOpaqueTypeDefinition (clang_type = %p) vbase[%u] = { byte_offset=%u, name='%s' }",
2619 clang_type.GetOpaqueQualType(),
2621 (uint32_t)vbase_pos->second.getQuantity(),
2622 vbase_pos->first->getNameAsString().c_str());
2626 m_record_decl_to_layout_map.insert(std::make_pair(record_decl, layout_info));
2631 return (bool)clang_type;
2633 case DW_TAG_enumeration_type:
2634 clang_type.StartTagDeclarationDefinition ();
2635 if (die->HasChildren())
2637 SymbolContext sc(GetCompUnitForDWARFCompUnit(dwarf_cu));
2638 bool is_signed = false;
2639 clang_type.IsIntegerType(is_signed);
2640 ParseChildEnumerators(sc, clang_type, is_signed, type->GetByteSize(), dwarf_cu, die);
2642 clang_type.CompleteTagDeclarationDefinition ();
2643 return (bool)clang_type;
2646 assert(false && "not a forward clang type decl!");
2653 SymbolFileDWARF::ResolveType (DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry* type_die, bool assert_not_being_parsed)
2655 if (type_die != NULL)
2657 Type *type = m_die_to_type.lookup (type_die);
2660 type = GetTypeForDIE (dwarf_cu, type_die).get();
2662 if (assert_not_being_parsed)
2664 if (type != DIE_IS_BEING_PARSED)
2667 GetObjectFile()->GetModule()->ReportError ("Parsing a die that is being parsed die: 0x%8.8x: %s %s",
2668 type_die->GetOffset(),
2669 DW_TAG_value_to_name(type_die->Tag()),
2670 type_die->GetName(this, dwarf_cu));
2680 SymbolFileDWARF::GetCompUnitForDWARFCompUnit (DWARFCompileUnit* dwarf_cu, uint32_t cu_idx)
2682 // Check if the symbol vendor already knows about this compile unit?
2683 if (dwarf_cu->GetUserData() == NULL)
2685 // The symbol vendor doesn't know about this compile unit, we
2686 // need to parse and add it to the symbol vendor object.
2687 return ParseCompileUnit(dwarf_cu, cu_idx).get();
2689 return (CompileUnit*)dwarf_cu->GetUserData();
2693 SymbolFileDWARF::GetFunction (DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry* func_die, SymbolContext& sc)
2696 // Check if the symbol vendor already knows about this compile unit?
2697 sc.comp_unit = GetCompUnitForDWARFCompUnit(dwarf_cu, UINT32_MAX);
2699 sc.function = sc.comp_unit->FindFunctionByUID (MakeUserID(func_die->GetOffset())).get();
2700 if (sc.function == NULL)
2701 sc.function = ParseCompileUnitFunction(sc, dwarf_cu, func_die);
2705 sc.module_sp = sc.function->CalculateSymbolContextModule();
2713 SymbolFileDWARF::ResolveSymbolContext (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc)
2715 Timer scoped_timer(__PRETTY_FUNCTION__,
2716 "SymbolFileDWARF::ResolveSymbolContext (so_addr = { section = %p, offset = 0x%" PRIx64 " }, resolve_scope = 0x%8.8x)",
2717 so_addr.GetSection().get(),
2718 so_addr.GetOffset(),
2720 uint32_t resolved = 0;
2721 if (resolve_scope & ( eSymbolContextCompUnit |
2722 eSymbolContextFunction |
2723 eSymbolContextBlock |
2724 eSymbolContextLineEntry))
2726 lldb::addr_t file_vm_addr = so_addr.GetFileAddress();
2728 DWARFDebugInfo* debug_info = DebugInfo();
2731 const dw_offset_t cu_offset = debug_info->GetCompileUnitAranges().FindAddress(file_vm_addr);
2732 if (cu_offset != DW_INVALID_OFFSET)
2734 uint32_t cu_idx = DW_INVALID_INDEX;
2735 DWARFCompileUnit* dwarf_cu = debug_info->GetCompileUnit(cu_offset, &cu_idx).get();
2738 sc.comp_unit = GetCompUnitForDWARFCompUnit(dwarf_cu, cu_idx);
2741 resolved |= eSymbolContextCompUnit;
2743 bool force_check_line_table = false;
2744 if (resolve_scope & (eSymbolContextFunction | eSymbolContextBlock))
2746 DWARFDebugInfoEntry *function_die = NULL;
2747 DWARFDebugInfoEntry *block_die = NULL;
2748 if (resolve_scope & eSymbolContextBlock)
2750 dwarf_cu->LookupAddress(file_vm_addr, &function_die, &block_die);
2754 dwarf_cu->LookupAddress(file_vm_addr, &function_die, NULL);
2757 if (function_die != NULL)
2759 sc.function = sc.comp_unit->FindFunctionByUID (MakeUserID(function_die->GetOffset())).get();
2760 if (sc.function == NULL)
2761 sc.function = ParseCompileUnitFunction(sc, dwarf_cu, function_die);
2765 // We might have had a compile unit that had discontiguous
2766 // address ranges where the gaps are symbols that don't have
2767 // any debug info. Discontiguous compile unit address ranges
2768 // should only happen when there aren't other functions from
2769 // other compile units in these gaps. This helps keep the size
2770 // of the aranges down.
2771 force_check_line_table = true;
2774 if (sc.function != NULL)
2776 resolved |= eSymbolContextFunction;
2778 if (resolve_scope & eSymbolContextBlock)
2780 Block& block = sc.function->GetBlock (true);
2782 if (block_die != NULL)
2783 sc.block = block.FindBlockByID (MakeUserID(block_die->GetOffset()));
2785 sc.block = block.FindBlockByID (MakeUserID(function_die->GetOffset()));
2787 resolved |= eSymbolContextBlock;
2792 if ((resolve_scope & eSymbolContextLineEntry) || force_check_line_table)
2794 LineTable *line_table = sc.comp_unit->GetLineTable();
2795 if (line_table != NULL)
2797 // And address that makes it into this function should be in terms
2798 // of this debug file if there is no debug map, or it will be an
2799 // address in the .o file which needs to be fixed up to be in terms
2800 // of the debug map executable. Either way, calling FixupAddress()
2801 // will work for us.
2802 Address exe_so_addr (so_addr);
2803 if (FixupAddress(exe_so_addr))
2805 if (line_table->FindLineEntryByAddress (exe_so_addr, sc.line_entry))
2807 resolved |= eSymbolContextLineEntry;
2813 if (force_check_line_table && !(resolved & eSymbolContextLineEntry))
2815 // We might have had a compile unit that had discontiguous
2816 // address ranges where the gaps are symbols that don't have
2817 // any debug info. Discontiguous compile unit address ranges
2818 // should only happen when there aren't other functions from
2819 // other compile units in these gaps. This helps keep the size
2820 // of the aranges down.
2821 sc.comp_unit = NULL;
2822 resolved &= ~eSymbolContextCompUnit;
2827 GetObjectFile()->GetModule()->ReportWarning ("0x%8.8x: compile unit %u failed to create a valid lldb_private::CompileUnit class.",
2841 SymbolFileDWARF::ResolveSymbolContext(const FileSpec& file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list)
2843 const uint32_t prev_size = sc_list.GetSize();
2844 if (resolve_scope & eSymbolContextCompUnit)
2846 DWARFDebugInfo* debug_info = DebugInfo();
2850 DWARFCompileUnit* dwarf_cu = NULL;
2852 for (cu_idx = 0; (dwarf_cu = debug_info->GetCompileUnitAtIndex(cu_idx)) != NULL; ++cu_idx)
2854 CompileUnit *dc_cu = GetCompUnitForDWARFCompUnit(dwarf_cu, cu_idx);
2855 const bool full_match = (bool)file_spec.GetDirectory();
2856 bool file_spec_matches_cu_file_spec = dc_cu != NULL && FileSpec::Equal(file_spec, *dc_cu, full_match);
2857 if (check_inlines || file_spec_matches_cu_file_spec)
2859 SymbolContext sc (m_obj_file->GetModule());
2860 sc.comp_unit = GetCompUnitForDWARFCompUnit(dwarf_cu, cu_idx);
2863 uint32_t file_idx = UINT32_MAX;
2865 // If we are looking for inline functions only and we don't
2866 // find it in the support files, we are done.
2869 file_idx = sc.comp_unit->GetSupportFiles().FindFileIndex (1, file_spec, true);
2870 if (file_idx == UINT32_MAX)
2876 LineTable *line_table = sc.comp_unit->GetLineTable();
2878 if (line_table != NULL && line != 0)
2880 // We will have already looked up the file index if
2881 // we are searching for inline entries.
2883 file_idx = sc.comp_unit->GetSupportFiles().FindFileIndex (1, file_spec, true);
2885 if (file_idx != UINT32_MAX)
2887 uint32_t found_line;
2888 uint32_t line_idx = line_table->FindLineEntryIndexByFileIndex (0, file_idx, line, false, &sc.line_entry);
2889 found_line = sc.line_entry.line;
2891 while (line_idx != UINT32_MAX)
2895 if (resolve_scope & (eSymbolContextFunction | eSymbolContextBlock))
2897 const lldb::addr_t file_vm_addr = sc.line_entry.range.GetBaseAddress().GetFileAddress();
2898 if (file_vm_addr != LLDB_INVALID_ADDRESS)
2900 DWARFDebugInfoEntry *function_die = NULL;
2901 DWARFDebugInfoEntry *block_die = NULL;
2902 dwarf_cu->LookupAddress(file_vm_addr, &function_die, resolve_scope & eSymbolContextBlock ? &block_die : NULL);
2904 if (function_die != NULL)
2906 sc.function = sc.comp_unit->FindFunctionByUID (MakeUserID(function_die->GetOffset())).get();
2907 if (sc.function == NULL)
2908 sc.function = ParseCompileUnitFunction(sc, dwarf_cu, function_die);
2911 if (sc.function != NULL)
2913 Block& block = sc.function->GetBlock (true);
2915 if (block_die != NULL)
2916 sc.block = block.FindBlockByID (MakeUserID(block_die->GetOffset()));
2918 sc.block = block.FindBlockByID (MakeUserID(function_die->GetOffset()));
2924 line_idx = line_table->FindLineEntryIndexByFileIndex (line_idx + 1, file_idx, found_line, true, &sc.line_entry);
2928 else if (file_spec_matches_cu_file_spec && !check_inlines)
2930 // only append the context if we aren't looking for inline call sites
2931 // by file and line and if the file spec matches that of the compile unit
2935 else if (file_spec_matches_cu_file_spec && !check_inlines)
2937 // only append the context if we aren't looking for inline call sites
2938 // by file and line and if the file spec matches that of the compile unit
2949 return sc_list.GetSize() - prev_size;
2953 SymbolFileDWARF::Index ()
2958 Timer scoped_timer (__PRETTY_FUNCTION__,
2959 "SymbolFileDWARF::Index (%s)",
2960 GetObjectFile()->GetFileSpec().GetFilename().AsCString());
2962 DWARFDebugInfo* debug_info = DebugInfo();
2965 uint32_t cu_idx = 0;
2966 const uint32_t num_compile_units = GetNumCompileUnits();
2967 for (cu_idx = 0; cu_idx < num_compile_units; ++cu_idx)
2969 DWARFCompileUnit* dwarf_cu = debug_info->GetCompileUnitAtIndex(cu_idx);
2971 bool clear_dies = dwarf_cu->ExtractDIEsIfNeeded (false) > 1;
2973 dwarf_cu->Index (cu_idx,
2974 m_function_basename_index,
2975 m_function_fullname_index,
2976 m_function_method_index,
2977 m_function_selector_index,
2978 m_objc_class_selectors_index,
2983 // Keep memory down by clearing DIEs if this generate function
2984 // caused them to be parsed
2986 dwarf_cu->ClearDIEs (true);
2989 m_function_basename_index.Finalize();
2990 m_function_fullname_index.Finalize();
2991 m_function_method_index.Finalize();
2992 m_function_selector_index.Finalize();
2993 m_objc_class_selectors_index.Finalize();
2994 m_global_index.Finalize();
2995 m_type_index.Finalize();
2996 m_namespace_index.Finalize();
2998 #if defined (ENABLE_DEBUG_PRINTF)
2999 StreamFile s(stdout, false);
3000 s.Printf ("DWARF index for '%s':",
3001 GetObjectFile()->GetFileSpec().GetPath().c_str());
3002 s.Printf("\nFunction basenames:\n"); m_function_basename_index.Dump (&s);
3003 s.Printf("\nFunction fullnames:\n"); m_function_fullname_index.Dump (&s);
3004 s.Printf("\nFunction methods:\n"); m_function_method_index.Dump (&s);
3005 s.Printf("\nFunction selectors:\n"); m_function_selector_index.Dump (&s);
3006 s.Printf("\nObjective C class selectors:\n"); m_objc_class_selectors_index.Dump (&s);
3007 s.Printf("\nGlobals and statics:\n"); m_global_index.Dump (&s);
3008 s.Printf("\nTypes:\n"); m_type_index.Dump (&s);
3009 s.Printf("\nNamepaces:\n"); m_namespace_index.Dump (&s);
3015 SymbolFileDWARF::NamespaceDeclMatchesThisSymbolFile (const ClangNamespaceDecl *namespace_decl)
3017 if (namespace_decl == NULL)
3019 // Invalid namespace decl which means we aren't matching only things
3020 // in this symbol file, so return true to indicate it matches this
3025 clang::ASTContext *namespace_ast = namespace_decl->GetASTContext();
3027 if (namespace_ast == NULL)
3028 return true; // No AST in the "namespace_decl", return true since it
3029 // could then match any symbol file, including this one
3031 if (namespace_ast == GetClangASTContext().getASTContext())
3032 return true; // The ASTs match, return true
3034 // The namespace AST was valid, and it does not match...
3035 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3038 GetObjectFile()->GetModule()->LogMessage(log, "Valid namespace does not match symbol file");
3044 SymbolFileDWARF::DIEIsInNamespace (const ClangNamespaceDecl *namespace_decl,
3045 DWARFCompileUnit* cu,
3046 const DWARFDebugInfoEntry* die)
3048 // No namespace specified, so the answesr i
3049 if (namespace_decl == NULL)
3052 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3054 const DWARFDebugInfoEntry *decl_ctx_die = NULL;
3055 clang::DeclContext *die_clang_decl_ctx = GetClangDeclContextContainingDIE (cu, die, &decl_ctx_die);
3058 clang::NamespaceDecl *clang_namespace_decl = namespace_decl->GetNamespaceDecl();
3060 if (clang_namespace_decl)
3062 if (decl_ctx_die->Tag() != DW_TAG_namespace)
3065 GetObjectFile()->GetModule()->LogMessage(log, "Found a match, but its parent is not a namespace");
3069 if (clang_namespace_decl == die_clang_decl_ctx)
3076 // We have a namespace_decl that was not NULL but it contained
3077 // a NULL "clang::NamespaceDecl", so this means the global namespace
3078 // So as long the the contained decl context DIE isn't a namespace
3080 if (decl_ctx_die->Tag() != DW_TAG_namespace)
3086 GetObjectFile()->GetModule()->LogMessage(log, "Found a match, but its parent doesn't exist");
3091 SymbolFileDWARF::FindGlobalVariables (const ConstString &name, const lldb_private::ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, VariableList& variables)
3093 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3097 GetObjectFile()->GetModule()->LogMessage (log,
3098 "SymbolFileDWARF::FindGlobalVariables (name=\"%s\", namespace_decl=%p, append=%u, max_matches=%u, variables)",
3105 if (!NamespaceDeclMatchesThisSymbolFile(namespace_decl))
3108 DWARFDebugInfo* info = DebugInfo();
3112 // If we aren't appending the results to this list, then clear the list
3116 // Remember how many variables are in the list before we search in case
3117 // we are appending the results to a variable list.
3118 const uint32_t original_size = variables.GetSize();
3120 DIEArray die_offsets;
3122 if (m_using_apple_tables)
3124 if (m_apple_names_ap.get())
3126 const char *name_cstr = name.GetCString();
3127 const char *base_name_start;
3128 const char *base_name_end = NULL;
3130 if (!CPPLanguageRuntime::StripNamespacesFromVariableName(name_cstr, base_name_start, base_name_end))
3131 base_name_start = name_cstr;
3133 m_apple_names_ap->FindByName (base_name_start, die_offsets);
3138 // Index the DWARF if we haven't already
3142 m_global_index.Find (name, die_offsets);
3145 const size_t num_die_matches = die_offsets.size();
3146 if (num_die_matches)
3149 sc.module_sp = m_obj_file->GetModule();
3150 assert (sc.module_sp);
3152 DWARFDebugInfo* debug_info = DebugInfo();
3153 DWARFCompileUnit* dwarf_cu = NULL;
3154 const DWARFDebugInfoEntry* die = NULL;
3156 for (size_t i=0; i<num_die_matches && !done; ++i)
3158 const dw_offset_t die_offset = die_offsets[i];
3159 die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3166 case DW_TAG_subprogram:
3167 case DW_TAG_inlined_subroutine:
3168 case DW_TAG_try_block:
3169 case DW_TAG_catch_block:
3172 case DW_TAG_variable:
3174 sc.comp_unit = GetCompUnitForDWARFCompUnit(dwarf_cu, UINT32_MAX);
3176 if (namespace_decl && !DIEIsInNamespace (namespace_decl, dwarf_cu, die))
3179 ParseVariables(sc, dwarf_cu, LLDB_INVALID_ADDRESS, die, false, false, &variables);
3181 if (variables.GetSize() - original_size >= max_matches)
3189 if (m_using_apple_tables)
3191 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_names accelerator table had bad die 0x%8.8x for '%s')\n",
3192 die_offset, name.GetCString());
3198 // Return the number of variable that were appended to the list
3199 const uint32_t num_matches = variables.GetSize() - original_size;
3200 if (log && num_matches > 0)
3202 GetObjectFile()->GetModule()->LogMessage (log,
3203 "SymbolFileDWARF::FindGlobalVariables (name=\"%s\", namespace_decl=%p, append=%u, max_matches=%u, variables) => %u",
3214 SymbolFileDWARF::FindGlobalVariables(const RegularExpression& regex, bool append, uint32_t max_matches, VariableList& variables)
3216 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3220 GetObjectFile()->GetModule()->LogMessage (log,
3221 "SymbolFileDWARF::FindGlobalVariables (regex=\"%s\", append=%u, max_matches=%u, variables)",
3227 DWARFDebugInfo* info = DebugInfo();
3231 // If we aren't appending the results to this list, then clear the list
3235 // Remember how many variables are in the list before we search in case
3236 // we are appending the results to a variable list.
3237 const uint32_t original_size = variables.GetSize();
3239 DIEArray die_offsets;
3241 if (m_using_apple_tables)
3243 if (m_apple_names_ap.get())
3245 DWARFMappedHash::DIEInfoArray hash_data_array;
3246 if (m_apple_names_ap->AppendAllDIEsThatMatchingRegex (regex, hash_data_array))
3247 DWARFMappedHash::ExtractDIEArray (hash_data_array, die_offsets);
3252 // Index the DWARF if we haven't already
3256 m_global_index.Find (regex, die_offsets);
3260 sc.module_sp = m_obj_file->GetModule();
3261 assert (sc.module_sp);
3263 DWARFCompileUnit* dwarf_cu = NULL;
3264 const DWARFDebugInfoEntry* die = NULL;
3265 const size_t num_matches = die_offsets.size();
3268 DWARFDebugInfo* debug_info = DebugInfo();
3269 for (size_t i=0; i<num_matches; ++i)
3271 const dw_offset_t die_offset = die_offsets[i];
3272 die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3276 sc.comp_unit = GetCompUnitForDWARFCompUnit(dwarf_cu, UINT32_MAX);
3278 ParseVariables(sc, dwarf_cu, LLDB_INVALID_ADDRESS, die, false, false, &variables);
3280 if (variables.GetSize() - original_size >= max_matches)
3285 if (m_using_apple_tables)
3287 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_names accelerator table had bad die 0x%8.8x for regex '%s')\n",
3288 die_offset, regex.GetText());
3294 // Return the number of variable that were appended to the list
3295 return variables.GetSize() - original_size;
3300 SymbolFileDWARF::ResolveFunction (dw_offset_t die_offset,
3301 DWARFCompileUnit *&dwarf_cu,
3302 SymbolContextList& sc_list)
3304 const DWARFDebugInfoEntry *die = DebugInfo()->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3305 return ResolveFunction (dwarf_cu, die, sc_list);
3310 SymbolFileDWARF::ResolveFunction (DWARFCompileUnit *cu,
3311 const DWARFDebugInfoEntry *die,
3312 SymbolContextList& sc_list)
3319 // If we were passed a die that is not a function, just return false...
3320 if (die->Tag() != DW_TAG_subprogram && die->Tag() != DW_TAG_inlined_subroutine)
3323 const DWARFDebugInfoEntry* inlined_die = NULL;
3324 if (die->Tag() == DW_TAG_inlined_subroutine)
3328 while ((die = die->GetParent()) != NULL)
3330 if (die->Tag() == DW_TAG_subprogram)
3334 assert (die->Tag() == DW_TAG_subprogram);
3335 if (GetFunction (cu, die, sc))
3338 // Parse all blocks if needed
3341 sc.block = sc.function->GetBlock (true).FindBlockByID (MakeUserID(inlined_die->GetOffset()));
3342 assert (sc.block != NULL);
3343 if (sc.block->GetStartAddress (addr) == false)
3349 addr = sc.function->GetAddressRange().GetBaseAddress();
3363 SymbolFileDWARF::FindFunctions (const ConstString &name,
3364 const NameToDIE &name_to_die,
3365 SymbolContextList& sc_list)
3367 DIEArray die_offsets;
3368 if (name_to_die.Find (name, die_offsets))
3370 ParseFunctions (die_offsets, sc_list);
3376 SymbolFileDWARF::FindFunctions (const RegularExpression ®ex,
3377 const NameToDIE &name_to_die,
3378 SymbolContextList& sc_list)
3380 DIEArray die_offsets;
3381 if (name_to_die.Find (regex, die_offsets))
3383 ParseFunctions (die_offsets, sc_list);
3389 SymbolFileDWARF::FindFunctions (const RegularExpression ®ex,
3390 const DWARFMappedHash::MemoryTable &memory_table,
3391 SymbolContextList& sc_list)
3393 DIEArray die_offsets;
3394 DWARFMappedHash::DIEInfoArray hash_data_array;
3395 if (memory_table.AppendAllDIEsThatMatchingRegex (regex, hash_data_array))
3397 DWARFMappedHash::ExtractDIEArray (hash_data_array, die_offsets);
3398 ParseFunctions (die_offsets, sc_list);
3403 SymbolFileDWARF::ParseFunctions (const DIEArray &die_offsets,
3404 SymbolContextList& sc_list)
3406 const size_t num_matches = die_offsets.size();
3411 DWARFCompileUnit* dwarf_cu = NULL;
3412 for (size_t i=0; i<num_matches; ++i)
3414 const dw_offset_t die_offset = die_offsets[i];
3415 ResolveFunction (die_offset, dwarf_cu, sc_list);
3421 SymbolFileDWARF::FunctionDieMatchesPartialName (const DWARFDebugInfoEntry* die,
3422 const DWARFCompileUnit *dwarf_cu,
3423 uint32_t name_type_mask,
3424 const char *partial_name,
3425 const char *base_name_start,
3426 const char *base_name_end)
3428 // If we are looking only for methods, throw away all the ones that are or aren't in C++ classes:
3429 if (name_type_mask == eFunctionNameTypeMethod || name_type_mask == eFunctionNameTypeBase)
3431 clang::DeclContext *containing_decl_ctx = GetClangDeclContextContainingDIEOffset(die->GetOffset());
3432 if (!containing_decl_ctx)
3435 bool is_cxx_method = DeclKindIsCXXClass(containing_decl_ctx->getDeclKind());
3437 if (name_type_mask == eFunctionNameTypeMethod)
3439 if (is_cxx_method == false)
3443 if (name_type_mask == eFunctionNameTypeBase)
3445 if (is_cxx_method == true)
3450 // Now we need to check whether the name we got back for this type matches the extra specifications
3451 // that were in the name we're looking up:
3452 if (base_name_start != partial_name || *base_name_end != '\0')
3454 // First see if the stuff to the left matches the full name. To do that let's see if
3455 // we can pull out the mips linkage name attribute:
3458 DWARFDebugInfoEntry::Attributes attributes;
3459 DWARFFormValue form_value;
3460 die->GetAttributes(this, dwarf_cu, NULL, attributes);
3461 uint32_t idx = attributes.FindAttributeIndex(DW_AT_MIPS_linkage_name);
3462 if (idx == UINT32_MAX)
3463 idx = attributes.FindAttributeIndex(DW_AT_linkage_name);
3464 if (idx != UINT32_MAX)
3466 if (attributes.ExtractFormValueAtIndex(this, idx, form_value))
3468 const char *mangled_name = form_value.AsCString(&get_debug_str_data());
3470 best_name.SetValue (ConstString(mangled_name), true);
3476 idx = attributes.FindAttributeIndex(DW_AT_name);
3477 if (idx != UINT32_MAX && attributes.ExtractFormValueAtIndex(this, idx, form_value))
3479 const char *name = form_value.AsCString(&get_debug_str_data());
3480 best_name.SetValue (ConstString(name), false);
3484 if (best_name.GetDemangledName())
3486 const char *demangled = best_name.GetDemangledName().GetCString();
3489 std::string name_no_parens(partial_name, base_name_end - partial_name);
3490 const char *partial_in_demangled = strstr (demangled, name_no_parens.c_str());
3491 if (partial_in_demangled == NULL)
3495 // Sort out the case where our name is something like "Process::Destroy" and the match is
3496 // "SBProcess::Destroy" - that shouldn't be a match. We should really always match on
3497 // namespace boundaries...
3499 if (partial_name[0] == ':' && partial_name[1] == ':')
3501 // The partial name was already on a namespace boundary so all matches are good.
3504 else if (partial_in_demangled == demangled)
3506 // They both start the same, so this is an good match.
3511 if (partial_in_demangled - demangled == 1)
3513 // Only one character difference, can't be a namespace boundary...
3516 else if (*(partial_in_demangled - 1) == ':' && *(partial_in_demangled - 2) == ':')
3518 // We are on a namespace boundary, so this is also good.
3533 SymbolFileDWARF::FindFunctions (const ConstString &name,
3534 const lldb_private::ClangNamespaceDecl *namespace_decl,
3535 uint32_t name_type_mask,
3536 bool include_inlines,
3538 SymbolContextList& sc_list)
3540 Timer scoped_timer (__PRETTY_FUNCTION__,
3541 "SymbolFileDWARF::FindFunctions (name = '%s')",
3544 // eFunctionNameTypeAuto should be pre-resolved by a call to Module::PrepareForFunctionNameLookup()
3545 assert ((name_type_mask & eFunctionNameTypeAuto) == 0);
3547 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3551 GetObjectFile()->GetModule()->LogMessage (log,
3552 "SymbolFileDWARF::FindFunctions (name=\"%s\", name_type_mask=0x%x, append=%u, sc_list)",
3558 // If we aren't appending the results to this list, then clear the list
3562 if (!NamespaceDeclMatchesThisSymbolFile(namespace_decl))
3565 // If name is empty then we won't find anything.
3569 // Remember how many sc_list are in the list before we search in case
3570 // we are appending the results to a variable list.
3572 const char *name_cstr = name.GetCString();
3574 const uint32_t original_size = sc_list.GetSize();
3576 DWARFDebugInfo* info = DebugInfo();
3580 DWARFCompileUnit *dwarf_cu = NULL;
3581 std::set<const DWARFDebugInfoEntry *> resolved_dies;
3582 if (m_using_apple_tables)
3584 if (m_apple_names_ap.get())
3587 DIEArray die_offsets;
3589 uint32_t num_matches = 0;
3591 if (name_type_mask & eFunctionNameTypeFull)
3593 // If they asked for the full name, match what they typed. At some point we may
3594 // want to canonicalize this (strip double spaces, etc. For now, we just add all the
3595 // dies that we find by exact match.
3596 num_matches = m_apple_names_ap->FindByName (name_cstr, die_offsets);
3597 for (uint32_t i = 0; i < num_matches; i++)
3599 const dw_offset_t die_offset = die_offsets[i];
3600 const DWARFDebugInfoEntry *die = info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3603 if (namespace_decl && !DIEIsInNamespace (namespace_decl, dwarf_cu, die))
3606 if (!include_inlines && die->Tag() == DW_TAG_inlined_subroutine)
3609 if (resolved_dies.find(die) == resolved_dies.end())
3611 if (ResolveFunction (dwarf_cu, die, sc_list))
3612 resolved_dies.insert(die);
3617 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_names accelerator table had bad die 0x%8.8x for '%s')",
3618 die_offset, name_cstr);
3623 if (name_type_mask & eFunctionNameTypeSelector)
3625 if (namespace_decl && *namespace_decl)
3626 return 0; // no selectors in namespaces
3628 num_matches = m_apple_names_ap->FindByName (name_cstr, die_offsets);
3629 // Now make sure these are actually ObjC methods. In this case we can simply look up the name,
3630 // and if it is an ObjC method name, we're good.
3632 for (uint32_t i = 0; i < num_matches; i++)
3634 const dw_offset_t die_offset = die_offsets[i];
3635 const DWARFDebugInfoEntry* die = info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3638 const char *die_name = die->GetName(this, dwarf_cu);
3639 if (ObjCLanguageRuntime::IsPossibleObjCMethodName(die_name))
3641 if (!include_inlines && die->Tag() == DW_TAG_inlined_subroutine)
3644 if (resolved_dies.find(die) == resolved_dies.end())
3646 if (ResolveFunction (dwarf_cu, die, sc_list))
3647 resolved_dies.insert(die);
3653 GetObjectFile()->GetModule()->ReportError ("the DWARF debug information has been modified (.apple_names accelerator table had bad die 0x%8.8x for '%s')",
3654 die_offset, name_cstr);
3657 die_offsets.clear();
3660 if (((name_type_mask & eFunctionNameTypeMethod) && !namespace_decl) || name_type_mask & eFunctionNameTypeBase)
3662 // The apple_names table stores just the "base name" of C++ methods in the table. So we have to
3663 // extract the base name, look that up, and if there is any other information in the name we were
3664 // passed in we have to post-filter based on that.
3666 // FIXME: Arrange the logic above so that we don't calculate the base name twice:
3667 num_matches = m_apple_names_ap->FindByName (name_cstr, die_offsets);
3669 for (uint32_t i = 0; i < num_matches; i++)
3671 const dw_offset_t die_offset = die_offsets[i];
3672 const DWARFDebugInfoEntry* die = info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3675 if (!include_inlines && die->Tag() == DW_TAG_inlined_subroutine)
3678 if (namespace_decl && !DIEIsInNamespace (namespace_decl, dwarf_cu, die))
3681 // If we get to here, the die is good, and we should add it:
3682 if (resolved_dies.find(die) == resolved_dies.end())
3683 if (ResolveFunction (dwarf_cu, die, sc_list))
3685 bool keep_die = true;
3686 if ((name_type_mask & (eFunctionNameTypeBase|eFunctionNameTypeMethod)) != (eFunctionNameTypeBase|eFunctionNameTypeMethod))
3688 // We are looking for either basenames or methods, so we need to
3689 // trim out the ones we won't want by looking at the type
3691 if (sc_list.GetLastContext(sc))
3695 // We have an inlined function
3697 else if (sc.function)
3699 Type *type = sc.function->GetType();
3703 clang::DeclContext* decl_ctx = GetClangDeclContextContainingTypeUID (type->GetID());
3704 if (decl_ctx->isRecord())
3706 if (name_type_mask & eFunctionNameTypeBase)
3708 sc_list.RemoveContextAtIndex(sc_list.GetSize()-1);
3714 if (name_type_mask & eFunctionNameTypeMethod)
3716 sc_list.RemoveContextAtIndex(sc_list.GetSize()-1);
3723 GetObjectFile()->GetModule()->ReportWarning ("function at die offset 0x%8.8x had no function type",
3730 resolved_dies.insert(die);
3735 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_names accelerator table had bad die 0x%8.8x for '%s')",
3736 die_offset, name_cstr);
3739 die_offsets.clear();
3746 // Index the DWARF if we haven't already
3750 if (name_type_mask & eFunctionNameTypeFull)
3752 FindFunctions (name, m_function_fullname_index, sc_list);
3754 // FIXME Temporary workaround for global/anonymous namespace
3755 // functions on FreeBSD and Linux
3756 #if defined (__FreeBSD__) || defined (__linux__)
3757 // If we didn't find any functions in the global namespace try
3758 // looking in the basename index but ignore any returned
3759 // functions that have a namespace (ie. mangled names starting with
3760 // '_ZN') but keep functions which have an anonymous namespace
3761 if (sc_list.GetSize() == 0)
3763 SymbolContextList temp_sc_list;
3764 FindFunctions (name, m_function_basename_index, temp_sc_list);
3765 if (!namespace_decl)
3768 for (uint32_t i = 0; i < temp_sc_list.GetSize(); i++)
3770 if (temp_sc_list.GetContextAtIndex(i, sc))
3772 ConstString mangled_name = sc.GetFunctionName(Mangled::ePreferMangled);
3773 ConstString demangled_name = sc.GetFunctionName(Mangled::ePreferDemangled);
3774 if (strncmp(mangled_name.GetCString(), "_ZN", 3) ||
3775 !strncmp(demangled_name.GetCString(), "(anonymous namespace)", 21))
3785 DIEArray die_offsets;
3786 DWARFCompileUnit *dwarf_cu = NULL;
3788 if (name_type_mask & eFunctionNameTypeBase)
3790 uint32_t num_base = m_function_basename_index.Find(name, die_offsets);
3791 for (uint32_t i = 0; i < num_base; i++)
3793 const DWARFDebugInfoEntry* die = info->GetDIEPtrWithCompileUnitHint (die_offsets[i], &dwarf_cu);
3796 if (!include_inlines && die->Tag() == DW_TAG_inlined_subroutine)
3799 if (namespace_decl && !DIEIsInNamespace (namespace_decl, dwarf_cu, die))
3802 // If we get to here, the die is good, and we should add it:
3803 if (resolved_dies.find(die) == resolved_dies.end())
3805 if (ResolveFunction (dwarf_cu, die, sc_list))
3806 resolved_dies.insert(die);
3810 die_offsets.clear();
3813 if (name_type_mask & eFunctionNameTypeMethod)
3815 if (namespace_decl && *namespace_decl)
3816 return 0; // no methods in namespaces
3818 uint32_t num_base = m_function_method_index.Find(name, die_offsets);
3820 for (uint32_t i = 0; i < num_base; i++)
3822 const DWARFDebugInfoEntry* die = info->GetDIEPtrWithCompileUnitHint (die_offsets[i], &dwarf_cu);
3825 if (!include_inlines && die->Tag() == DW_TAG_inlined_subroutine)
3828 // If we get to here, the die is good, and we should add it:
3829 if (resolved_dies.find(die) == resolved_dies.end())
3831 if (ResolveFunction (dwarf_cu, die, sc_list))
3832 resolved_dies.insert(die);
3837 die_offsets.clear();
3840 if ((name_type_mask & eFunctionNameTypeSelector) && (!namespace_decl || !*namespace_decl))
3842 FindFunctions (name, m_function_selector_index, sc_list);
3847 // Return the number of variable that were appended to the list
3848 const uint32_t num_matches = sc_list.GetSize() - original_size;
3850 if (log && num_matches > 0)
3852 GetObjectFile()->GetModule()->LogMessage (log,
3853 "SymbolFileDWARF::FindFunctions (name=\"%s\", name_type_mask=0x%x, append=%u, sc_list) => %u",
3863 SymbolFileDWARF::FindFunctions(const RegularExpression& regex, bool include_inlines, bool append, SymbolContextList& sc_list)
3865 Timer scoped_timer (__PRETTY_FUNCTION__,
3866 "SymbolFileDWARF::FindFunctions (regex = '%s')",
3869 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3873 GetObjectFile()->GetModule()->LogMessage (log,
3874 "SymbolFileDWARF::FindFunctions (regex=\"%s\", append=%u, sc_list)",
3880 // If we aren't appending the results to this list, then clear the list
3884 // Remember how many sc_list are in the list before we search in case
3885 // we are appending the results to a variable list.
3886 uint32_t original_size = sc_list.GetSize();
3888 if (m_using_apple_tables)
3890 if (m_apple_names_ap.get())
3891 FindFunctions (regex, *m_apple_names_ap, sc_list);
3895 // Index the DWARF if we haven't already
3899 FindFunctions (regex, m_function_basename_index, sc_list);
3901 FindFunctions (regex, m_function_fullname_index, sc_list);
3904 // Return the number of variable that were appended to the list
3905 return sc_list.GetSize() - original_size;
3909 SymbolFileDWARF::FindTypes (const SymbolContext& sc,
3910 const ConstString &name,
3911 const lldb_private::ClangNamespaceDecl *namespace_decl,
3913 uint32_t max_matches,
3916 DWARFDebugInfo* info = DebugInfo();
3920 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
3926 GetObjectFile()->GetModule()->LogMessage (log,
3927 "SymbolFileDWARF::FindTypes (sc, name=\"%s\", clang::NamespaceDecl(%p) \"%s\", append=%u, max_matches=%u, type_list)",
3929 namespace_decl->GetNamespaceDecl(),
3930 namespace_decl->GetQualifiedName().c_str(),
3936 GetObjectFile()->GetModule()->LogMessage (log,
3937 "SymbolFileDWARF::FindTypes (sc, name=\"%s\", clang::NamespaceDecl(NULL), append=%u, max_matches=%u, type_list)",
3944 // If we aren't appending the results to this list, then clear the list
3948 if (!NamespaceDeclMatchesThisSymbolFile(namespace_decl))
3951 DIEArray die_offsets;
3953 if (m_using_apple_tables)
3955 if (m_apple_types_ap.get())
3957 const char *name_cstr = name.GetCString();
3958 m_apple_types_ap->FindByName (name_cstr, die_offsets);
3966 m_type_index.Find (name, die_offsets);
3969 const size_t num_die_matches = die_offsets.size();
3971 if (num_die_matches)
3973 const uint32_t initial_types_size = types.GetSize();
3974 DWARFCompileUnit* dwarf_cu = NULL;
3975 const DWARFDebugInfoEntry* die = NULL;
3976 DWARFDebugInfo* debug_info = DebugInfo();
3977 for (size_t i=0; i<num_die_matches; ++i)
3979 const dw_offset_t die_offset = die_offsets[i];
3980 die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
3984 if (namespace_decl && !DIEIsInNamespace (namespace_decl, dwarf_cu, die))
3987 Type *matching_type = ResolveType (dwarf_cu, die);
3990 // We found a type pointer, now find the shared pointer form our type list
3991 types.InsertUnique (matching_type->shared_from_this());
3992 if (types.GetSize() >= max_matches)
3998 if (m_using_apple_tables)
4000 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_types accelerator table had bad die 0x%8.8x for '%s')\n",
4001 die_offset, name.GetCString());
4006 const uint32_t num_matches = types.GetSize() - initial_types_size;
4007 if (log && num_matches)
4011 GetObjectFile()->GetModule()->LogMessage (log,
4012 "SymbolFileDWARF::FindTypes (sc, name=\"%s\", clang::NamespaceDecl(%p) \"%s\", append=%u, max_matches=%u, type_list) => %u",
4014 namespace_decl->GetNamespaceDecl(),
4015 namespace_decl->GetQualifiedName().c_str(),
4022 GetObjectFile()->GetModule()->LogMessage (log,
4023 "SymbolFileDWARF::FindTypes (sc, name=\"%s\", clang::NamespaceDecl(NULL), append=%u, max_matches=%u, type_list) => %u",
4037 SymbolFileDWARF::FindNamespace (const SymbolContext& sc,
4038 const ConstString &name,
4039 const lldb_private::ClangNamespaceDecl *parent_namespace_decl)
4041 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS));
4045 GetObjectFile()->GetModule()->LogMessage (log,
4046 "SymbolFileDWARF::FindNamespace (sc, name=\"%s\")",
4050 if (!NamespaceDeclMatchesThisSymbolFile(parent_namespace_decl))
4051 return ClangNamespaceDecl();
4053 ClangNamespaceDecl namespace_decl;
4054 DWARFDebugInfo* info = DebugInfo();
4057 DIEArray die_offsets;
4059 // Index if we already haven't to make sure the compile units
4060 // get indexed and make their global DIE index list
4061 if (m_using_apple_tables)
4063 if (m_apple_namespaces_ap.get())
4065 const char *name_cstr = name.GetCString();
4066 m_apple_namespaces_ap->FindByName (name_cstr, die_offsets);
4074 m_namespace_index.Find (name, die_offsets);
4077 DWARFCompileUnit* dwarf_cu = NULL;
4078 const DWARFDebugInfoEntry* die = NULL;
4079 const size_t num_matches = die_offsets.size();
4082 DWARFDebugInfo* debug_info = DebugInfo();
4083 for (size_t i=0; i<num_matches; ++i)
4085 const dw_offset_t die_offset = die_offsets[i];
4086 die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
4090 if (parent_namespace_decl && !DIEIsInNamespace (parent_namespace_decl, dwarf_cu, die))
4093 clang::NamespaceDecl *clang_namespace_decl = ResolveNamespaceDIE (dwarf_cu, die);
4094 if (clang_namespace_decl)
4096 namespace_decl.SetASTContext (GetClangASTContext().getASTContext());
4097 namespace_decl.SetNamespaceDecl (clang_namespace_decl);
4103 if (m_using_apple_tables)
4105 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_namespaces accelerator table had bad die 0x%8.8x for '%s')\n",
4106 die_offset, name.GetCString());
4113 if (log && namespace_decl.GetNamespaceDecl())
4115 GetObjectFile()->GetModule()->LogMessage (log,
4116 "SymbolFileDWARF::FindNamespace (sc, name=\"%s\") => clang::NamespaceDecl(%p) \"%s\"",
4118 namespace_decl.GetNamespaceDecl(),
4119 namespace_decl.GetQualifiedName().c_str());
4122 return namespace_decl;
4126 SymbolFileDWARF::FindTypes(std::vector<dw_offset_t> die_offsets, uint32_t max_matches, TypeList& types)
4128 // Remember how many sc_list are in the list before we search in case
4129 // we are appending the results to a variable list.
4130 uint32_t original_size = types.GetSize();
4132 const uint32_t num_die_offsets = die_offsets.size();
4133 // Parse all of the types we found from the pubtypes matches
4135 uint32_t num_matches = 0;
4136 for (i = 0; i < num_die_offsets; ++i)
4138 Type *matching_type = ResolveTypeUID (die_offsets[i]);
4141 // We found a type pointer, now find the shared pointer form our type list
4142 types.InsertUnique (matching_type->shared_from_this());
4144 if (num_matches >= max_matches)
4149 // Return the number of variable that were appended to the list
4150 return types.GetSize() - original_size;
4155 SymbolFileDWARF::ParseChildParameters (const SymbolContext& sc,
4156 clang::DeclContext *containing_decl_ctx,
4157 DWARFCompileUnit* dwarf_cu,
4158 const DWARFDebugInfoEntry *parent_die,
4159 bool skip_artificial,
4161 TypeList* type_list,
4162 std::vector<ClangASTType>& function_param_types,
4163 std::vector<clang::ParmVarDecl*>& function_param_decls,
4164 unsigned &type_quals,
4165 ClangASTContext::TemplateParameterInfos &template_param_infos)
4167 if (parent_die == NULL)
4170 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
4173 const DWARFDebugInfoEntry *die;
4174 for (die = parent_die->GetFirstChild(); die != NULL; die = die->GetSibling())
4176 dw_tag_t tag = die->Tag();
4179 case DW_TAG_formal_parameter:
4181 DWARFDebugInfoEntry::Attributes attributes;
4182 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, fixed_form_sizes, attributes);
4183 if (num_attributes > 0)
4185 const char *name = NULL;
4187 dw_offset_t param_type_die_offset = DW_INVALID_OFFSET;
4188 bool is_artificial = false;
4189 // one of None, Auto, Register, Extern, Static, PrivateExtern
4191 clang::StorageClass storage = clang::SC_None;
4193 for (i=0; i<num_attributes; ++i)
4195 const dw_attr_t attr = attributes.AttributeAtIndex(i);
4196 DWARFFormValue form_value;
4197 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
4201 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
4202 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
4203 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
4204 case DW_AT_name: name = form_value.AsCString(&get_debug_str_data()); break;
4205 case DW_AT_type: param_type_die_offset = form_value.Reference(dwarf_cu); break;
4206 case DW_AT_artificial: is_artificial = form_value.Boolean(); break;
4207 case DW_AT_location:
4208 // if (form_value.BlockData())
4210 // const DWARFDataExtractor& debug_info_data = debug_info();
4211 // uint32_t block_length = form_value.Unsigned();
4212 // DWARFDataExtractor location(debug_info_data, form_value.BlockData() - debug_info_data.GetDataStart(), block_length);
4218 case DW_AT_const_value:
4219 case DW_AT_default_value:
4220 case DW_AT_description:
4221 case DW_AT_endianity:
4222 case DW_AT_is_optional:
4224 case DW_AT_variable_parameter:
4226 case DW_AT_abstract_origin:
4234 if (skip_artificial)
4238 // In order to determine if a C++ member function is
4239 // "const" we have to look at the const-ness of "this"...
4243 if (DeclKindIsCXXClass(containing_decl_ctx->getDeclKind()))
4245 // Often times compilers omit the "this" name for the
4246 // specification DIEs, so we can't rely upon the name
4247 // being in the formal parameter DIE...
4248 if (name == NULL || ::strcmp(name, "this")==0)
4250 Type *this_type = ResolveTypeUID (param_type_die_offset);
4253 uint32_t encoding_mask = this_type->GetEncodingMask();
4254 if (encoding_mask & Type::eEncodingIsPointerUID)
4258 if (encoding_mask & (1u << Type::eEncodingIsConstUID))
4259 type_quals |= clang::Qualifiers::Const;
4260 if (encoding_mask & (1u << Type::eEncodingIsVolatileUID))
4261 type_quals |= clang::Qualifiers::Volatile;
4272 // HACK: Objective C formal parameters "self" and "_cmd"
4273 // are not marked as artificial in the DWARF...
4274 CompileUnit *comp_unit = GetCompUnitForDWARFCompUnit(dwarf_cu, UINT32_MAX);
4277 switch (comp_unit->GetLanguage())
4279 case eLanguageTypeObjC:
4280 case eLanguageTypeObjC_plus_plus:
4281 if (name && name[0] && (strcmp (name, "self") == 0 || strcmp (name, "_cmd") == 0))
4293 Type *type = ResolveTypeUID(param_type_die_offset);
4296 function_param_types.push_back (type->GetClangForwardType());
4298 clang::ParmVarDecl *param_var_decl = GetClangASTContext().CreateParameterDeclaration (name,
4299 type->GetClangForwardType(),
4301 assert(param_var_decl);
4302 function_param_decls.push_back(param_var_decl);
4304 GetClangASTContext().SetMetadataAsUserID (param_var_decl, MakeUserID(die->GetOffset()));
4312 case DW_TAG_template_type_parameter:
4313 case DW_TAG_template_value_parameter:
4314 ParseTemplateDIE (dwarf_cu, die,template_param_infos);
4325 SymbolFileDWARF::ParseChildEnumerators
4327 const SymbolContext& sc,
4328 lldb_private::ClangASTType &clang_type,
4330 uint32_t enumerator_byte_size,
4331 DWARFCompileUnit* dwarf_cu,
4332 const DWARFDebugInfoEntry *parent_die
4335 if (parent_die == NULL)
4338 size_t enumerators_added = 0;
4339 const DWARFDebugInfoEntry *die;
4340 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
4342 for (die = parent_die->GetFirstChild(); die != NULL; die = die->GetSibling())
4344 const dw_tag_t tag = die->Tag();
4345 if (tag == DW_TAG_enumerator)
4347 DWARFDebugInfoEntry::Attributes attributes;
4348 const size_t num_child_attributes = die->GetAttributes(this, dwarf_cu, fixed_form_sizes, attributes);
4349 if (num_child_attributes > 0)
4351 const char *name = NULL;
4352 bool got_value = false;
4353 int64_t enum_value = 0;
4357 for (i=0; i<num_child_attributes; ++i)
4359 const dw_attr_t attr = attributes.AttributeAtIndex(i);
4360 DWARFFormValue form_value;
4361 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
4365 case DW_AT_const_value:
4368 enum_value = form_value.Signed();
4370 enum_value = form_value.Unsigned();
4374 name = form_value.AsCString(&get_debug_str_data());
4377 case DW_AT_description:
4379 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
4380 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
4381 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
4388 if (name && name[0] && got_value)
4390 clang_type.AddEnumerationValueToEnumerationType (clang_type.GetEnumerationIntegerType(),
4394 enumerator_byte_size * 8);
4395 ++enumerators_added;
4400 return enumerators_added;
4404 SymbolFileDWARF::ParseChildArrayInfo
4406 const SymbolContext& sc,
4407 DWARFCompileUnit* dwarf_cu,
4408 const DWARFDebugInfoEntry *parent_die,
4409 int64_t& first_index,
4410 std::vector<uint64_t>& element_orders,
4411 uint32_t& byte_stride,
4412 uint32_t& bit_stride
4415 if (parent_die == NULL)
4418 const DWARFDebugInfoEntry *die;
4419 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
4420 for (die = parent_die->GetFirstChild(); die != NULL; die = die->GetSibling())
4422 const dw_tag_t tag = die->Tag();
4425 case DW_TAG_subrange_type:
4427 DWARFDebugInfoEntry::Attributes attributes;
4428 const size_t num_child_attributes = die->GetAttributes(this, dwarf_cu, fixed_form_sizes, attributes);
4429 if (num_child_attributes > 0)
4431 uint64_t num_elements = 0;
4432 uint64_t lower_bound = 0;
4433 uint64_t upper_bound = 0;
4434 bool upper_bound_valid = false;
4436 for (i=0; i<num_child_attributes; ++i)
4438 const dw_attr_t attr = attributes.AttributeAtIndex(i);
4439 DWARFFormValue form_value;
4440 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
4448 num_elements = form_value.Unsigned();
4451 case DW_AT_bit_stride:
4452 bit_stride = form_value.Unsigned();
4455 case DW_AT_byte_stride:
4456 byte_stride = form_value.Unsigned();
4459 case DW_AT_lower_bound:
4460 lower_bound = form_value.Unsigned();
4463 case DW_AT_upper_bound:
4464 upper_bound_valid = true;
4465 upper_bound = form_value.Unsigned();
4469 case DW_AT_abstract_origin:
4470 case DW_AT_accessibility:
4471 case DW_AT_allocated:
4472 case DW_AT_associated:
4473 case DW_AT_data_location:
4474 case DW_AT_declaration:
4475 case DW_AT_description:
4477 case DW_AT_threads_scaled:
4479 case DW_AT_visibility:
4485 if (num_elements == 0)
4487 if (upper_bound_valid && upper_bound >= lower_bound)
4488 num_elements = upper_bound - lower_bound + 1;
4491 element_orders.push_back (num_elements);
4500 SymbolFileDWARF::GetTypeForDIE (DWARFCompileUnit *dwarf_cu, const DWARFDebugInfoEntry* die)
4505 assert(dwarf_cu != NULL);
4506 Type *type_ptr = m_die_to_type.lookup (die);
4507 if (type_ptr == NULL)
4509 CompileUnit* lldb_cu = GetCompUnitForDWARFCompUnit(dwarf_cu);
4511 SymbolContext sc(lldb_cu);
4512 type_sp = ParseType(sc, dwarf_cu, die, NULL);
4514 else if (type_ptr != DIE_IS_BEING_PARSED)
4516 // Grab the existing type from the master types lists
4517 type_sp = type_ptr->shared_from_this();
4524 clang::DeclContext *
4525 SymbolFileDWARF::GetClangDeclContextContainingDIEOffset (dw_offset_t die_offset)
4527 if (die_offset != DW_INVALID_OFFSET)
4529 DWARFCompileUnitSP cu_sp;
4530 const DWARFDebugInfoEntry* die = DebugInfo()->GetDIEPtr(die_offset, &cu_sp);
4531 return GetClangDeclContextContainingDIE (cu_sp.get(), die, NULL);
4536 clang::DeclContext *
4537 SymbolFileDWARF::GetClangDeclContextForDIEOffset (const SymbolContext &sc, dw_offset_t die_offset)
4539 if (die_offset != DW_INVALID_OFFSET)
4541 DWARFDebugInfo* debug_info = DebugInfo();
4544 DWARFCompileUnitSP cu_sp;
4545 const DWARFDebugInfoEntry* die = debug_info->GetDIEPtr(die_offset, &cu_sp);
4547 return GetClangDeclContextForDIE (sc, cu_sp.get(), die);
4553 clang::NamespaceDecl *
4554 SymbolFileDWARF::ResolveNamespaceDIE (DWARFCompileUnit *dwarf_cu, const DWARFDebugInfoEntry *die)
4556 if (die && die->Tag() == DW_TAG_namespace)
4558 // See if we already parsed this namespace DIE and associated it with a
4559 // uniqued namespace declaration
4560 clang::NamespaceDecl *namespace_decl = static_cast<clang::NamespaceDecl *>(m_die_to_decl_ctx[die]);
4562 return namespace_decl;
4565 const char *namespace_name = die->GetAttributeValueAsString(this, dwarf_cu, DW_AT_name, NULL);
4566 clang::DeclContext *containing_decl_ctx = GetClangDeclContextContainingDIE (dwarf_cu, die, NULL);
4567 namespace_decl = GetClangASTContext().GetUniqueNamespaceDeclaration (namespace_name, containing_decl_ctx);
4568 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO));
4573 GetObjectFile()->GetModule()->LogMessage (log,
4574 "ASTContext => %p: 0x%8.8" PRIx64 ": DW_TAG_namespace with DW_AT_name(\"%s\") => clang::NamespaceDecl *%p (original = %p)",
4575 GetClangASTContext().getASTContext(),
4576 MakeUserID(die->GetOffset()),
4579 namespace_decl->getOriginalNamespace());
4583 GetObjectFile()->GetModule()->LogMessage (log,
4584 "ASTContext => %p: 0x%8.8" PRIx64 ": DW_TAG_namespace (anonymous) => clang::NamespaceDecl *%p (original = %p)",
4585 GetClangASTContext().getASTContext(),
4586 MakeUserID(die->GetOffset()),
4588 namespace_decl->getOriginalNamespace());
4593 LinkDeclContextToDIE((clang::DeclContext*)namespace_decl, die);
4594 return namespace_decl;
4600 clang::DeclContext *
4601 SymbolFileDWARF::GetClangDeclContextForDIE (const SymbolContext &sc, DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die)
4603 clang::DeclContext *clang_decl_ctx = GetCachedClangDeclContextForDIE (die);
4605 return clang_decl_ctx;
4606 // If this DIE has a specification, or an abstract origin, then trace to those.
4608 dw_offset_t die_offset = die->GetAttributeValueAsReference(this, cu, DW_AT_specification, DW_INVALID_OFFSET);
4609 if (die_offset != DW_INVALID_OFFSET)
4610 return GetClangDeclContextForDIEOffset (sc, die_offset);
4612 die_offset = die->GetAttributeValueAsReference(this, cu, DW_AT_abstract_origin, DW_INVALID_OFFSET);
4613 if (die_offset != DW_INVALID_OFFSET)
4614 return GetClangDeclContextForDIEOffset (sc, die_offset);
4616 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO));
4618 GetObjectFile()->GetModule()->LogMessage(log, "SymbolFileDWARF::GetClangDeclContextForDIE (die = 0x%8.8x) %s '%s'", die->GetOffset(), DW_TAG_value_to_name(die->Tag()), die->GetName(this, cu));
4619 // This is the DIE we want. Parse it, then query our map.
4620 bool assert_not_being_parsed = true;
4621 ResolveTypeUID (cu, die, assert_not_being_parsed);
4623 clang_decl_ctx = GetCachedClangDeclContextForDIE (die);
4625 return clang_decl_ctx;
4628 clang::DeclContext *
4629 SymbolFileDWARF::GetClangDeclContextContainingDIE (DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die, const DWARFDebugInfoEntry **decl_ctx_die_copy)
4631 if (m_clang_tu_decl == NULL)
4632 m_clang_tu_decl = GetClangASTContext().getASTContext()->getTranslationUnitDecl();
4634 const DWARFDebugInfoEntry *decl_ctx_die = GetDeclContextDIEContainingDIE (cu, die);
4636 if (decl_ctx_die_copy)
4637 *decl_ctx_die_copy = decl_ctx_die;
4642 DIEToDeclContextMap::iterator pos = m_die_to_decl_ctx.find (decl_ctx_die);
4643 if (pos != m_die_to_decl_ctx.end())
4646 switch (decl_ctx_die->Tag())
4648 case DW_TAG_compile_unit:
4649 return m_clang_tu_decl;
4651 case DW_TAG_namespace:
4652 return ResolveNamespaceDIE (cu, decl_ctx_die);
4655 case DW_TAG_structure_type:
4656 case DW_TAG_union_type:
4657 case DW_TAG_class_type:
4659 Type* type = ResolveType (cu, decl_ctx_die);
4662 clang::DeclContext *decl_ctx = type->GetClangForwardType().GetDeclContextForType ();
4665 LinkDeclContextToDIE (decl_ctx, decl_ctx_die);
4677 return m_clang_tu_decl;
4681 const DWARFDebugInfoEntry *
4682 SymbolFileDWARF::GetDeclContextDIEContainingDIE (DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die)
4686 const DWARFDebugInfoEntry * const decl_die = die;
4690 // If this is the original DIE that we are searching for a declaration
4691 // for, then don't look in the cache as we don't want our own decl
4692 // context to be our decl context...
4693 if (decl_die != die)
4697 case DW_TAG_compile_unit:
4698 case DW_TAG_namespace:
4699 case DW_TAG_structure_type:
4700 case DW_TAG_union_type:
4701 case DW_TAG_class_type:
4709 dw_offset_t die_offset = die->GetAttributeValueAsReference(this, cu, DW_AT_specification, DW_INVALID_OFFSET);
4710 if (die_offset != DW_INVALID_OFFSET)
4712 DWARFCompileUnit *spec_cu = cu;
4713 const DWARFDebugInfoEntry *spec_die = DebugInfo()->GetDIEPtrWithCompileUnitHint (die_offset, &spec_cu);
4714 const DWARFDebugInfoEntry *spec_die_decl_ctx_die = GetDeclContextDIEContainingDIE (spec_cu, spec_die);
4715 if (spec_die_decl_ctx_die)
4716 return spec_die_decl_ctx_die;
4719 die_offset = die->GetAttributeValueAsReference(this, cu, DW_AT_abstract_origin, DW_INVALID_OFFSET);
4720 if (die_offset != DW_INVALID_OFFSET)
4722 DWARFCompileUnit *abs_cu = cu;
4723 const DWARFDebugInfoEntry *abs_die = DebugInfo()->GetDIEPtrWithCompileUnitHint (die_offset, &abs_cu);
4724 const DWARFDebugInfoEntry *abs_die_decl_ctx_die = GetDeclContextDIEContainingDIE (abs_cu, abs_die);
4725 if (abs_die_decl_ctx_die)
4726 return abs_die_decl_ctx_die;
4729 die = die->GetParent();
4737 SymbolFileDWARF::GetObjCClassSymbol (const ConstString &objc_class_name)
4739 Symbol *objc_class_symbol = NULL;
4742 Symtab *symtab = m_obj_file->GetSymtab ();
4745 objc_class_symbol = symtab->FindFirstSymbolWithNameAndType (objc_class_name,
4746 eSymbolTypeObjCClass,
4748 Symtab::eVisibilityAny);
4751 return objc_class_symbol;
4754 // Some compilers don't emit the DW_AT_APPLE_objc_complete_type attribute. If they don't
4755 // then we can end up looking through all class types for a complete type and never find
4756 // the full definition. We need to know if this attribute is supported, so we determine
4757 // this here and cache th result. We also need to worry about the debug map DWARF file
4758 // if we are doing darwin DWARF in .o file debugging.
4760 SymbolFileDWARF::Supports_DW_AT_APPLE_objc_complete_type (DWARFCompileUnit *cu)
4762 if (m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolCalculate)
4764 m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolNo;
4765 if (cu && cu->Supports_DW_AT_APPLE_objc_complete_type())
4766 m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolYes;
4769 DWARFDebugInfo* debug_info = DebugInfo();
4770 const uint32_t num_compile_units = GetNumCompileUnits();
4771 for (uint32_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx)
4773 DWARFCompileUnit* dwarf_cu = debug_info->GetCompileUnitAtIndex(cu_idx);
4774 if (dwarf_cu != cu && dwarf_cu->Supports_DW_AT_APPLE_objc_complete_type())
4776 m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolYes;
4781 if (m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolNo && GetDebugMapSymfile ())
4782 return m_debug_map_symfile->Supports_DW_AT_APPLE_objc_complete_type (this);
4784 return m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolYes;
4787 // This function can be used when a DIE is found that is a forward declaration
4788 // DIE and we want to try and find a type that has the complete definition.
4790 SymbolFileDWARF::FindCompleteObjCDefinitionTypeForDIE (const DWARFDebugInfoEntry *die,
4791 const ConstString &type_name,
4792 bool must_be_implementation)
4797 if (!type_name || (must_be_implementation && !GetObjCClassSymbol (type_name)))
4800 DIEArray die_offsets;
4802 if (m_using_apple_tables)
4804 if (m_apple_types_ap.get())
4806 const char *name_cstr = type_name.GetCString();
4807 m_apple_types_ap->FindCompleteObjCClassByName (name_cstr, die_offsets, must_be_implementation);
4815 m_type_index.Find (type_name, die_offsets);
4818 const size_t num_matches = die_offsets.size();
4820 DWARFCompileUnit* type_cu = NULL;
4821 const DWARFDebugInfoEntry* type_die = NULL;
4824 DWARFDebugInfo* debug_info = DebugInfo();
4825 for (size_t i=0; i<num_matches; ++i)
4827 const dw_offset_t die_offset = die_offsets[i];
4828 type_die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &type_cu);
4832 bool try_resolving_type = false;
4834 // Don't try and resolve the DIE we are looking for with the DIE itself!
4835 if (type_die != die)
4837 switch (type_die->Tag())
4839 case DW_TAG_class_type:
4840 case DW_TAG_structure_type:
4841 try_resolving_type = true;
4848 if (try_resolving_type)
4850 if (must_be_implementation && type_cu->Supports_DW_AT_APPLE_objc_complete_type())
4851 try_resolving_type = type_die->GetAttributeValueAsUnsigned (this, type_cu, DW_AT_APPLE_objc_complete_type, 0);
4853 if (try_resolving_type)
4855 Type *resolved_type = ResolveType (type_cu, type_die, false);
4856 if (resolved_type && resolved_type != DIE_IS_BEING_PARSED)
4858 DEBUG_PRINTF ("resolved 0x%8.8" PRIx64 " from %s to 0x%8.8" PRIx64 " (cu 0x%8.8" PRIx64 ")\n",
4859 MakeUserID(die->GetOffset()),
4860 m_obj_file->GetFileSpec().GetFilename().AsCString(),
4861 MakeUserID(type_die->GetOffset()),
4862 MakeUserID(type_cu->GetOffset()));
4865 m_die_to_type[die] = resolved_type;
4866 type_sp = resolved_type->shared_from_this();
4874 if (m_using_apple_tables)
4876 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_types accelerator table had bad die 0x%8.8x for '%s')\n",
4877 die_offset, type_name.GetCString());
4887 //----------------------------------------------------------------------
4888 // This function helps to ensure that the declaration contexts match for
4889 // two different DIEs. Often times debug information will refer to a
4890 // forward declaration of a type (the equivalent of "struct my_struct;".
4891 // There will often be a declaration of that type elsewhere that has the
4892 // full definition. When we go looking for the full type "my_struct", we
4893 // will find one or more matches in the accelerator tables and we will
4894 // then need to make sure the type was in the same declaration context
4895 // as the original DIE. This function can efficiently compare two DIEs
4896 // and will return true when the declaration context matches, and false
4898 //----------------------------------------------------------------------
4900 SymbolFileDWARF::DIEDeclContextsMatch (DWARFCompileUnit* cu1, const DWARFDebugInfoEntry *die1,
4901 DWARFCompileUnit* cu2, const DWARFDebugInfoEntry *die2)
4906 #if defined (LLDB_CONFIGURATION_DEBUG)
4907 // You can't and shouldn't call this function with a compile unit from
4908 // two different SymbolFileDWARF instances.
4909 assert (DebugInfo()->ContainsCompileUnit (cu1));
4910 assert (DebugInfo()->ContainsCompileUnit (cu2));
4913 DWARFDIECollection decl_ctx_1;
4914 DWARFDIECollection decl_ctx_2;
4915 //The declaration DIE stack is a stack of the declaration context
4916 // DIEs all the way back to the compile unit. If a type "T" is
4917 // declared inside a class "B", and class "B" is declared inside
4918 // a class "A" and class "A" is in a namespace "lldb", and the
4919 // namespace is in a compile unit, there will be a stack of DIEs:
4921 // [0] DW_TAG_class_type for "B"
4922 // [1] DW_TAG_class_type for "A"
4923 // [2] DW_TAG_namespace for "lldb"
4924 // [3] DW_TAG_compile_unit for the source file.
4926 // We grab both contexts and make sure that everything matches
4927 // all the way back to the compiler unit.
4929 // First lets grab the decl contexts for both DIEs
4930 die1->GetDeclContextDIEs (this, cu1, decl_ctx_1);
4931 die2->GetDeclContextDIEs (this, cu2, decl_ctx_2);
4932 // Make sure the context arrays have the same size, otherwise
4934 const size_t count1 = decl_ctx_1.Size();
4935 const size_t count2 = decl_ctx_2.Size();
4936 if (count1 != count2)
4939 // Make sure the DW_TAG values match all the way back up the the
4940 // compile unit. If they don't, then we are done.
4941 const DWARFDebugInfoEntry *decl_ctx_die1;
4942 const DWARFDebugInfoEntry *decl_ctx_die2;
4944 for (i=0; i<count1; i++)
4946 decl_ctx_die1 = decl_ctx_1.GetDIEPtrAtIndex (i);
4947 decl_ctx_die2 = decl_ctx_2.GetDIEPtrAtIndex (i);
4948 if (decl_ctx_die1->Tag() != decl_ctx_die2->Tag())
4951 #if defined LLDB_CONFIGURATION_DEBUG
4953 // Make sure the top item in the decl context die array is always
4954 // DW_TAG_compile_unit. If it isn't then something went wrong in
4955 // the DWARFDebugInfoEntry::GetDeclContextDIEs() function...
4956 assert (decl_ctx_1.GetDIEPtrAtIndex (count1 - 1)->Tag() == DW_TAG_compile_unit);
4959 // Always skip the compile unit when comparing by only iterating up to
4960 // "count - 1". Here we compare the names as we go.
4961 for (i=0; i<count1 - 1; i++)
4963 decl_ctx_die1 = decl_ctx_1.GetDIEPtrAtIndex (i);
4964 decl_ctx_die2 = decl_ctx_2.GetDIEPtrAtIndex (i);
4965 const char *name1 = decl_ctx_die1->GetName(this, cu1);
4966 const char *name2 = decl_ctx_die2->GetName(this, cu2);
4967 // If the string was from a DW_FORM_strp, then the pointer will often
4972 // Name pointers are not equal, so only compare the strings
4973 // if both are not NULL.
4976 // If the strings don't compare, we are done...
4977 if (strcmp(name1, name2) != 0)
4982 // One name was NULL while the other wasn't
4986 // We made it through all of the checks and the declaration contexts
4991 // This function can be used when a DIE is found that is a forward declaration
4992 // DIE and we want to try and find a type that has the complete definition.
4993 // "cu" and "die" must be from this SymbolFileDWARF
4995 SymbolFileDWARF::FindDefinitionTypeForDIE (DWARFCompileUnit* cu,
4996 const DWARFDebugInfoEntry *die,
4997 const ConstString &type_name)
5001 #if defined (LLDB_CONFIGURATION_DEBUG)
5002 // You can't and shouldn't call this function with a compile unit from
5003 // another SymbolFileDWARF instance.
5004 assert (DebugInfo()->ContainsCompileUnit (cu));
5007 if (cu == NULL || die == NULL || !type_name)
5010 std::string qualified_name;
5012 Log *log (LogChannelDWARF::GetLogIfAny(DWARF_LOG_TYPE_COMPLETION|DWARF_LOG_LOOKUPS));
5015 die->GetQualifiedName(this, cu, qualified_name);
5016 GetObjectFile()->GetModule()->LogMessage (log,
5017 "SymbolFileDWARF::FindDefinitionTypeForDIE(die=0x%8.8x (%s), name='%s')",
5019 qualified_name.c_str(),
5020 type_name.GetCString());
5023 DIEArray die_offsets;
5025 if (m_using_apple_tables)
5027 if (m_apple_types_ap.get())
5029 const bool has_tag = m_apple_types_ap->GetHeader().header_data.ContainsAtom (DWARFMappedHash::eAtomTypeTag);
5030 const bool has_qualified_name_hash = m_apple_types_ap->GetHeader().header_data.ContainsAtom (DWARFMappedHash::eAtomTypeQualNameHash);
5031 if (has_tag && has_qualified_name_hash)
5033 if (qualified_name.empty())
5034 die->GetQualifiedName(this, cu, qualified_name);
5036 const uint32_t qualified_name_hash = MappedHash::HashStringUsingDJB (qualified_name.c_str());
5038 GetObjectFile()->GetModule()->LogMessage (log,"FindByNameAndTagAndQualifiedNameHash()");
5039 m_apple_types_ap->FindByNameAndTagAndQualifiedNameHash (type_name.GetCString(), die->Tag(), qualified_name_hash, die_offsets);
5041 else if (has_tag > 1)
5044 GetObjectFile()->GetModule()->LogMessage (log,"FindByNameAndTag()");
5045 m_apple_types_ap->FindByNameAndTag (type_name.GetCString(), die->Tag(), die_offsets);
5049 m_apple_types_ap->FindByName (type_name.GetCString(), die_offsets);
5058 m_type_index.Find (type_name, die_offsets);
5061 const size_t num_matches = die_offsets.size();
5063 const dw_tag_t die_tag = die->Tag();
5065 DWARFCompileUnit* type_cu = NULL;
5066 const DWARFDebugInfoEntry* type_die = NULL;
5069 DWARFDebugInfo* debug_info = DebugInfo();
5070 for (size_t i=0; i<num_matches; ++i)
5072 const dw_offset_t die_offset = die_offsets[i];
5073 type_die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &type_cu);
5077 bool try_resolving_type = false;
5079 // Don't try and resolve the DIE we are looking for with the DIE itself!
5080 if (type_die != die)
5082 const dw_tag_t type_die_tag = type_die->Tag();
5083 // Make sure the tags match
5084 if (type_die_tag == die_tag)
5086 // The tags match, lets try resolving this type
5087 try_resolving_type = true;
5091 // The tags don't match, but we need to watch our for a
5092 // forward declaration for a struct and ("struct foo")
5093 // ends up being a class ("class foo { ... };") or
5095 switch (type_die_tag)
5097 case DW_TAG_class_type:
5098 // We had a "class foo", see if we ended up with a "struct foo { ... };"
5099 try_resolving_type = (die_tag == DW_TAG_structure_type);
5101 case DW_TAG_structure_type:
5102 // We had a "struct foo", see if we ended up with a "class foo { ... };"
5103 try_resolving_type = (die_tag == DW_TAG_class_type);
5106 // Tags don't match, don't event try to resolve
5107 // using this type whose name matches....
5113 if (try_resolving_type)
5117 std::string qualified_name;
5118 type_die->GetQualifiedName(this, cu, qualified_name);
5119 GetObjectFile()->GetModule()->LogMessage (log,
5120 "SymbolFileDWARF::FindDefinitionTypeForDIE(die=0x%8.8x, name='%s') trying die=0x%8.8x (%s)",
5122 type_name.GetCString(),
5123 type_die->GetOffset(),
5124 qualified_name.c_str());
5127 // Make sure the decl contexts match all the way up
5128 if (DIEDeclContextsMatch(cu, die, type_cu, type_die))
5130 Type *resolved_type = ResolveType (type_cu, type_die, false);
5131 if (resolved_type && resolved_type != DIE_IS_BEING_PARSED)
5133 DEBUG_PRINTF ("resolved 0x%8.8" PRIx64 " (cu 0x%8.8" PRIx64 ") from %s to 0x%8.8" PRIx64 " (cu 0x%8.8" PRIx64 ")\n",
5134 MakeUserID(die->GetOffset()),
5135 MakeUserID(cu->GetOffset()),
5136 m_obj_file->GetFileSpec().GetFilename().AsCString(),
5137 MakeUserID(type_die->GetOffset()),
5138 MakeUserID(type_cu->GetOffset()));
5140 m_die_to_type[die] = resolved_type;
5141 type_sp = resolved_type->shared_from_this();
5150 std::string qualified_name;
5151 type_die->GetQualifiedName(this, cu, qualified_name);
5152 GetObjectFile()->GetModule()->LogMessage (log,
5153 "SymbolFileDWARF::FindDefinitionTypeForDIE(die=0x%8.8x, name='%s') ignoring die=0x%8.8x (%s)",
5155 type_name.GetCString(),
5156 type_die->GetOffset(),
5157 qualified_name.c_str());
5163 if (m_using_apple_tables)
5165 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_types accelerator table had bad die 0x%8.8x for '%s')\n",
5166 die_offset, type_name.GetCString());
5176 SymbolFileDWARF::FindDefinitionTypeForDWARFDeclContext (const DWARFDeclContext &dwarf_decl_ctx)
5180 const uint32_t dwarf_decl_ctx_count = dwarf_decl_ctx.GetSize();
5181 if (dwarf_decl_ctx_count > 0)
5183 const ConstString type_name(dwarf_decl_ctx[0].name);
5184 const dw_tag_t tag = dwarf_decl_ctx[0].tag;
5188 Log *log (LogChannelDWARF::GetLogIfAny(DWARF_LOG_TYPE_COMPLETION|DWARF_LOG_LOOKUPS));
5191 GetObjectFile()->GetModule()->LogMessage (log,
5192 "SymbolFileDWARF::FindDefinitionTypeForDWARFDeclContext(tag=%s, qualified-name='%s')",
5193 DW_TAG_value_to_name(dwarf_decl_ctx[0].tag),
5194 dwarf_decl_ctx.GetQualifiedName());
5197 DIEArray die_offsets;
5199 if (m_using_apple_tables)
5201 if (m_apple_types_ap.get())
5203 const bool has_tag = m_apple_types_ap->GetHeader().header_data.ContainsAtom (DWARFMappedHash::eAtomTypeTag);
5204 const bool has_qualified_name_hash = m_apple_types_ap->GetHeader().header_data.ContainsAtom (DWARFMappedHash::eAtomTypeQualNameHash);
5205 if (has_tag && has_qualified_name_hash)
5207 const char *qualified_name = dwarf_decl_ctx.GetQualifiedName();
5208 const uint32_t qualified_name_hash = MappedHash::HashStringUsingDJB (qualified_name);
5210 GetObjectFile()->GetModule()->LogMessage (log,"FindByNameAndTagAndQualifiedNameHash()");
5211 m_apple_types_ap->FindByNameAndTagAndQualifiedNameHash (type_name.GetCString(), tag, qualified_name_hash, die_offsets);
5216 GetObjectFile()->GetModule()->LogMessage (log,"FindByNameAndTag()");
5217 m_apple_types_ap->FindByNameAndTag (type_name.GetCString(), tag, die_offsets);
5221 m_apple_types_ap->FindByName (type_name.GetCString(), die_offsets);
5230 m_type_index.Find (type_name, die_offsets);
5233 const size_t num_matches = die_offsets.size();
5236 DWARFCompileUnit* type_cu = NULL;
5237 const DWARFDebugInfoEntry* type_die = NULL;
5240 DWARFDebugInfo* debug_info = DebugInfo();
5241 for (size_t i=0; i<num_matches; ++i)
5243 const dw_offset_t die_offset = die_offsets[i];
5244 type_die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &type_cu);
5248 bool try_resolving_type = false;
5250 // Don't try and resolve the DIE we are looking for with the DIE itself!
5251 const dw_tag_t type_tag = type_die->Tag();
5252 // Make sure the tags match
5253 if (type_tag == tag)
5255 // The tags match, lets try resolving this type
5256 try_resolving_type = true;
5260 // The tags don't match, but we need to watch our for a
5261 // forward declaration for a struct and ("struct foo")
5262 // ends up being a class ("class foo { ... };") or
5266 case DW_TAG_class_type:
5267 // We had a "class foo", see if we ended up with a "struct foo { ... };"
5268 try_resolving_type = (tag == DW_TAG_structure_type);
5270 case DW_TAG_structure_type:
5271 // We had a "struct foo", see if we ended up with a "class foo { ... };"
5272 try_resolving_type = (tag == DW_TAG_class_type);
5275 // Tags don't match, don't event try to resolve
5276 // using this type whose name matches....
5281 if (try_resolving_type)
5283 DWARFDeclContext type_dwarf_decl_ctx;
5284 type_die->GetDWARFDeclContext (this, type_cu, type_dwarf_decl_ctx);
5288 GetObjectFile()->GetModule()->LogMessage (log,
5289 "SymbolFileDWARF::FindDefinitionTypeForDWARFDeclContext(tag=%s, qualified-name='%s') trying die=0x%8.8x (%s)",
5290 DW_TAG_value_to_name(dwarf_decl_ctx[0].tag),
5291 dwarf_decl_ctx.GetQualifiedName(),
5292 type_die->GetOffset(),
5293 type_dwarf_decl_ctx.GetQualifiedName());
5296 // Make sure the decl contexts match all the way up
5297 if (dwarf_decl_ctx == type_dwarf_decl_ctx)
5299 Type *resolved_type = ResolveType (type_cu, type_die, false);
5300 if (resolved_type && resolved_type != DIE_IS_BEING_PARSED)
5302 type_sp = resolved_type->shared_from_this();
5311 std::string qualified_name;
5312 type_die->GetQualifiedName(this, type_cu, qualified_name);
5313 GetObjectFile()->GetModule()->LogMessage (log,
5314 "SymbolFileDWARF::FindDefinitionTypeForDWARFDeclContext(tag=%s, qualified-name='%s') ignoring die=0x%8.8x (%s)",
5315 DW_TAG_value_to_name(dwarf_decl_ctx[0].tag),
5316 dwarf_decl_ctx.GetQualifiedName(),
5317 type_die->GetOffset(),
5318 qualified_name.c_str());
5324 if (m_using_apple_tables)
5326 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_types accelerator table had bad die 0x%8.8x for '%s')\n",
5327 die_offset, type_name.GetCString());
5339 SymbolFileDWARF::CopyUniqueClassMethodTypes (SymbolFileDWARF *src_symfile,
5341 DWARFCompileUnit* src_cu,
5342 const DWARFDebugInfoEntry *src_class_die,
5343 DWARFCompileUnit* dst_cu,
5344 const DWARFDebugInfoEntry *dst_class_die,
5345 llvm::SmallVectorImpl <const DWARFDebugInfoEntry *> &failures)
5347 if (!class_type || !src_cu || !src_class_die || !dst_cu || !dst_class_die)
5349 if (src_class_die->Tag() != dst_class_die->Tag())
5352 // We need to complete the class type so we can get all of the method types
5353 // parsed so we can then unique those types to their equivalent counterparts
5354 // in "dst_cu" and "dst_class_die"
5355 class_type->GetClangFullType();
5357 const DWARFDebugInfoEntry *src_die;
5358 const DWARFDebugInfoEntry *dst_die;
5359 UniqueCStringMap<const DWARFDebugInfoEntry *> src_name_to_die;
5360 UniqueCStringMap<const DWARFDebugInfoEntry *> dst_name_to_die;
5361 UniqueCStringMap<const DWARFDebugInfoEntry *> src_name_to_die_artificial;
5362 UniqueCStringMap<const DWARFDebugInfoEntry *> dst_name_to_die_artificial;
5363 for (src_die = src_class_die->GetFirstChild(); src_die != NULL; src_die = src_die->GetSibling())
5365 if (src_die->Tag() == DW_TAG_subprogram)
5367 // Make sure this is a declaration and not a concrete instance by looking
5368 // for DW_AT_declaration set to 1. Sometimes concrete function instances
5369 // are placed inside the class definitions and shouldn't be included in
5370 // the list of things are are tracking here.
5371 if (src_die->GetAttributeValueAsUnsigned(src_symfile, src_cu, DW_AT_declaration, 0) == 1)
5373 const char *src_name = src_die->GetMangledName (src_symfile, src_cu);
5376 ConstString src_const_name(src_name);
5377 if (src_die->GetAttributeValueAsUnsigned(src_symfile, src_cu, DW_AT_artificial, 0))
5378 src_name_to_die_artificial.Append(src_const_name.GetCString(), src_die);
5380 src_name_to_die.Append(src_const_name.GetCString(), src_die);
5385 for (dst_die = dst_class_die->GetFirstChild(); dst_die != NULL; dst_die = dst_die->GetSibling())
5387 if (dst_die->Tag() == DW_TAG_subprogram)
5389 // Make sure this is a declaration and not a concrete instance by looking
5390 // for DW_AT_declaration set to 1. Sometimes concrete function instances
5391 // are placed inside the class definitions and shouldn't be included in
5392 // the list of things are are tracking here.
5393 if (dst_die->GetAttributeValueAsUnsigned(this, dst_cu, DW_AT_declaration, 0) == 1)
5395 const char *dst_name = dst_die->GetMangledName (this, dst_cu);
5398 ConstString dst_const_name(dst_name);
5399 if (dst_die->GetAttributeValueAsUnsigned(this, dst_cu, DW_AT_artificial, 0))
5400 dst_name_to_die_artificial.Append(dst_const_name.GetCString(), dst_die);
5402 dst_name_to_die.Append(dst_const_name.GetCString(), dst_die);
5407 const uint32_t src_size = src_name_to_die.GetSize ();
5408 const uint32_t dst_size = dst_name_to_die.GetSize ();
5409 Log *log (LogChannelDWARF::GetLogIfAny(DWARF_LOG_DEBUG_INFO | DWARF_LOG_TYPE_COMPLETION));
5411 // Is everything kosher so we can go through the members at top speed?
5412 bool fast_path = true;
5414 if (src_size != dst_size)
5416 if (src_size != 0 && dst_size != 0)
5419 log->Printf("warning: trying to unique class DIE 0x%8.8x to 0x%8.8x, but they didn't have the same size (src=%d, dst=%d)",
5420 src_class_die->GetOffset(),
5421 dst_class_die->GetOffset(),
5433 for (idx = 0; idx < src_size; ++idx)
5435 src_die = src_name_to_die.GetValueAtIndexUnchecked (idx);
5436 dst_die = dst_name_to_die.GetValueAtIndexUnchecked (idx);
5438 if (src_die->Tag() != dst_die->Tag())
5441 log->Printf("warning: tried to unique class DIE 0x%8.8x to 0x%8.8x, but 0x%8.8x (%s) tags didn't match 0x%8.8x (%s)",
5442 src_class_die->GetOffset(),
5443 dst_class_die->GetOffset(),
5444 src_die->GetOffset(),
5445 DW_TAG_value_to_name(src_die->Tag()),
5446 dst_die->GetOffset(),
5447 DW_TAG_value_to_name(src_die->Tag()));
5451 const char *src_name = src_die->GetMangledName (src_symfile, src_cu);
5452 const char *dst_name = dst_die->GetMangledName (this, dst_cu);
5454 // Make sure the names match
5455 if (src_name == dst_name || (strcmp (src_name, dst_name) == 0))
5459 log->Printf("warning: tried to unique class DIE 0x%8.8x to 0x%8.8x, but 0x%8.8x (%s) names didn't match 0x%8.8x (%s)",
5460 src_class_die->GetOffset(),
5461 dst_class_die->GetOffset(),
5462 src_die->GetOffset(),
5464 dst_die->GetOffset(),
5471 // Now do the work of linking the DeclContexts and Types.
5474 // We can do this quickly. Just run across the tables index-for-index since
5475 // we know each node has matching names and tags.
5476 for (idx = 0; idx < src_size; ++idx)
5478 src_die = src_name_to_die.GetValueAtIndexUnchecked (idx);
5479 dst_die = dst_name_to_die.GetValueAtIndexUnchecked (idx);
5481 clang::DeclContext *src_decl_ctx = src_symfile->m_die_to_decl_ctx[src_die];
5485 log->Printf ("uniquing decl context %p from 0x%8.8x for 0x%8.8x", src_decl_ctx, src_die->GetOffset(), dst_die->GetOffset());
5486 LinkDeclContextToDIE (src_decl_ctx, dst_die);
5491 log->Printf ("warning: tried to unique decl context from 0x%8.8x for 0x%8.8x, but none was found", src_die->GetOffset(), dst_die->GetOffset());
5494 Type *src_child_type = m_die_to_type[src_die];
5498 log->Printf ("uniquing type %p (uid=0x%" PRIx64 ") from 0x%8.8x for 0x%8.8x", src_child_type, src_child_type->GetID(), src_die->GetOffset(), dst_die->GetOffset());
5499 m_die_to_type[dst_die] = src_child_type;
5504 log->Printf ("warning: tried to unique lldb_private::Type from 0x%8.8x for 0x%8.8x, but none was found", src_die->GetOffset(), dst_die->GetOffset());
5510 // We must do this slowly. For each member of the destination, look
5511 // up a member in the source with the same name, check its tag, and
5512 // unique them if everything matches up. Report failures.
5514 if (!src_name_to_die.IsEmpty() && !dst_name_to_die.IsEmpty())
5516 src_name_to_die.Sort();
5518 for (idx = 0; idx < dst_size; ++idx)
5520 const char *dst_name = dst_name_to_die.GetCStringAtIndex(idx);
5521 dst_die = dst_name_to_die.GetValueAtIndexUnchecked(idx);
5522 src_die = src_name_to_die.Find(dst_name, NULL);
5524 if (src_die && (src_die->Tag() == dst_die->Tag()))
5526 clang::DeclContext *src_decl_ctx = src_symfile->m_die_to_decl_ctx[src_die];
5530 log->Printf ("uniquing decl context %p from 0x%8.8x for 0x%8.8x", src_decl_ctx, src_die->GetOffset(), dst_die->GetOffset());
5531 LinkDeclContextToDIE (src_decl_ctx, dst_die);
5536 log->Printf ("warning: tried to unique decl context from 0x%8.8x for 0x%8.8x, but none was found", src_die->GetOffset(), dst_die->GetOffset());
5539 Type *src_child_type = m_die_to_type[src_die];
5543 log->Printf ("uniquing type %p (uid=0x%" PRIx64 ") from 0x%8.8x for 0x%8.8x", src_child_type, src_child_type->GetID(), src_die->GetOffset(), dst_die->GetOffset());
5544 m_die_to_type[dst_die] = src_child_type;
5549 log->Printf ("warning: tried to unique lldb_private::Type from 0x%8.8x for 0x%8.8x, but none was found", src_die->GetOffset(), dst_die->GetOffset());
5555 log->Printf ("warning: couldn't find a match for 0x%8.8x", dst_die->GetOffset());
5557 failures.push_back(dst_die);
5563 const uint32_t src_size_artificial = src_name_to_die_artificial.GetSize ();
5564 const uint32_t dst_size_artificial = dst_name_to_die_artificial.GetSize ();
5566 UniqueCStringMap<const DWARFDebugInfoEntry *> name_to_die_artificial_not_in_src;
5568 if (src_size_artificial && dst_size_artificial)
5570 dst_name_to_die_artificial.Sort();
5572 for (idx = 0; idx < src_size_artificial; ++idx)
5574 const char *src_name_artificial = src_name_to_die_artificial.GetCStringAtIndex(idx);
5575 src_die = src_name_to_die_artificial.GetValueAtIndexUnchecked (idx);
5576 dst_die = dst_name_to_die_artificial.Find(src_name_artificial, NULL);
5580 // Both classes have the artificial types, link them
5581 clang::DeclContext *src_decl_ctx = m_die_to_decl_ctx[src_die];
5585 log->Printf ("uniquing decl context %p from 0x%8.8x for 0x%8.8x", src_decl_ctx, src_die->GetOffset(), dst_die->GetOffset());
5586 LinkDeclContextToDIE (src_decl_ctx, dst_die);
5591 log->Printf ("warning: tried to unique decl context from 0x%8.8x for 0x%8.8x, but none was found", src_die->GetOffset(), dst_die->GetOffset());
5594 Type *src_child_type = m_die_to_type[src_die];
5598 log->Printf ("uniquing type %p (uid=0x%" PRIx64 ") from 0x%8.8x for 0x%8.8x", src_child_type, src_child_type->GetID(), src_die->GetOffset(), dst_die->GetOffset());
5599 m_die_to_type[dst_die] = src_child_type;
5604 log->Printf ("warning: tried to unique lldb_private::Type from 0x%8.8x for 0x%8.8x, but none was found", src_die->GetOffset(), dst_die->GetOffset());
5610 if (dst_size_artificial)
5612 for (idx = 0; idx < dst_size_artificial; ++idx)
5614 const char *dst_name_artificial = dst_name_to_die_artificial.GetCStringAtIndex(idx);
5615 dst_die = dst_name_to_die_artificial.GetValueAtIndexUnchecked (idx);
5617 log->Printf ("warning: need to create artificial method for 0x%8.8x for method '%s'", dst_die->GetOffset(), dst_name_artificial);
5619 failures.push_back(dst_die);
5623 return (failures.size() != 0);
5627 SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry *die, bool *type_is_new_ptr)
5631 if (type_is_new_ptr)
5632 *type_is_new_ptr = false;
5634 #if defined(LLDB_CONFIGURATION_DEBUG) or defined(LLDB_CONFIGURATION_RELEASE)
5635 static DIEStack g_die_stack;
5636 DIEStack::ScopedPopper scoped_die_logger(g_die_stack);
5639 AccessType accessibility = eAccessNone;
5642 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO));
5645 const DWARFDebugInfoEntry *context_die;
5646 clang::DeclContext *context = GetClangDeclContextContainingDIE (dwarf_cu, die, &context_die);
5648 GetObjectFile()->GetModule()->LogMessage (log, "SymbolFileDWARF::ParseType (die = 0x%8.8x, decl_ctx = %p (die 0x%8.8x)) %s name = '%s')",
5651 context_die->GetOffset(),
5652 DW_TAG_value_to_name(die->Tag()),
5653 die->GetName(this, dwarf_cu));
5655 #if defined(LLDB_CONFIGURATION_DEBUG) or defined(LLDB_CONFIGURATION_RELEASE)
5656 scoped_die_logger.Push (dwarf_cu, die);
5657 g_die_stack.LogDIEs(log, this);
5661 // Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO));
5662 // if (log && dwarf_cu)
5665 // die->DumpLocation (this, dwarf_cu, s);
5666 // GetObjectFile()->GetModule()->LogMessage (log, "SymbolFileDwarf::%s %s", __FUNCTION__, s.GetData());
5670 Type *type_ptr = m_die_to_type.lookup (die);
5671 TypeList* type_list = GetTypeList();
5672 if (type_ptr == NULL)
5674 ClangASTContext &ast = GetClangASTContext();
5675 if (type_is_new_ptr)
5676 *type_is_new_ptr = true;
5678 const dw_tag_t tag = die->Tag();
5680 bool is_forward_declaration = false;
5681 DWARFDebugInfoEntry::Attributes attributes;
5682 const char *type_name_cstr = NULL;
5683 ConstString type_name_const_str;
5684 Type::ResolveState resolve_state = Type::eResolveStateUnresolved;
5685 uint64_t byte_size = 0;
5688 Type::EncodingDataType encoding_data_type = Type::eEncodingIsUID;
5689 ClangASTType clang_type;
5695 case DW_TAG_base_type:
5696 case DW_TAG_pointer_type:
5697 case DW_TAG_reference_type:
5698 case DW_TAG_rvalue_reference_type:
5699 case DW_TAG_typedef:
5700 case DW_TAG_const_type:
5701 case DW_TAG_restrict_type:
5702 case DW_TAG_volatile_type:
5703 case DW_TAG_unspecified_type:
5705 // Set a bit that lets us know that we are currently parsing this
5706 m_die_to_type[die] = DIE_IS_BEING_PARSED;
5708 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
5709 uint32_t encoding = 0;
5710 lldb::user_id_t encoding_uid = LLDB_INVALID_UID;
5712 if (num_attributes > 0)
5715 for (i=0; i<num_attributes; ++i)
5717 attr = attributes.AttributeAtIndex(i);
5718 DWARFFormValue form_value;
5719 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
5723 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
5724 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
5725 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
5728 type_name_cstr = form_value.AsCString(&get_debug_str_data());
5729 // Work around a bug in llvm-gcc where they give a name to a reference type which doesn't
5730 // include the "&"...
5731 if (tag == DW_TAG_reference_type)
5733 if (strchr (type_name_cstr, '&') == NULL)
5734 type_name_cstr = NULL;
5737 type_name_const_str.SetCString(type_name_cstr);
5739 case DW_AT_byte_size: byte_size = form_value.Unsigned(); break;
5740 case DW_AT_encoding: encoding = form_value.Unsigned(); break;
5741 case DW_AT_type: encoding_uid = form_value.Reference(dwarf_cu); break;
5750 DEBUG_PRINTF ("0x%8.8" PRIx64 ": %s (\"%s\") type => 0x%8.8lx\n", MakeUserID(die->GetOffset()), DW_TAG_value_to_name(tag), type_name_cstr, encoding_uid);
5757 case DW_TAG_unspecified_type:
5758 if (strcmp(type_name_cstr, "nullptr_t") == 0 ||
5759 strcmp(type_name_cstr, "decltype(nullptr)") == 0 )
5761 resolve_state = Type::eResolveStateFull;
5762 clang_type = ast.GetBasicType(eBasicTypeNullPtr);
5765 // Fall through to base type below in case we can handle the type there...
5767 case DW_TAG_base_type:
5768 resolve_state = Type::eResolveStateFull;
5769 clang_type = ast.GetBuiltinTypeForDWARFEncodingAndBitSize (type_name_cstr,
5774 case DW_TAG_pointer_type: encoding_data_type = Type::eEncodingIsPointerUID; break;
5775 case DW_TAG_reference_type: encoding_data_type = Type::eEncodingIsLValueReferenceUID; break;
5776 case DW_TAG_rvalue_reference_type: encoding_data_type = Type::eEncodingIsRValueReferenceUID; break;
5777 case DW_TAG_typedef: encoding_data_type = Type::eEncodingIsTypedefUID; break;
5778 case DW_TAG_const_type: encoding_data_type = Type::eEncodingIsConstUID; break;
5779 case DW_TAG_restrict_type: encoding_data_type = Type::eEncodingIsRestrictUID; break;
5780 case DW_TAG_volatile_type: encoding_data_type = Type::eEncodingIsVolatileUID; break;
5783 if (!clang_type && (encoding_data_type == Type::eEncodingIsPointerUID || encoding_data_type == Type::eEncodingIsTypedefUID) && sc.comp_unit != NULL)
5785 bool translation_unit_is_objc = (sc.comp_unit->GetLanguage() == eLanguageTypeObjC || sc.comp_unit->GetLanguage() == eLanguageTypeObjC_plus_plus);
5787 if (translation_unit_is_objc)
5789 if (type_name_cstr != NULL)
5791 static ConstString g_objc_type_name_id("id");
5792 static ConstString g_objc_type_name_Class("Class");
5793 static ConstString g_objc_type_name_selector("SEL");
5795 if (type_name_const_str == g_objc_type_name_id)
5798 GetObjectFile()->GetModule()->LogMessage (log, "SymbolFileDWARF::ParseType (die = 0x%8.8x) %s '%s' is Objective C 'id' built-in type.",
5800 DW_TAG_value_to_name(die->Tag()),
5801 die->GetName(this, dwarf_cu));
5802 clang_type = ast.GetBasicType(eBasicTypeObjCID);
5803 encoding_data_type = Type::eEncodingIsUID;
5804 encoding_uid = LLDB_INVALID_UID;
5805 resolve_state = Type::eResolveStateFull;
5808 else if (type_name_const_str == g_objc_type_name_Class)
5811 GetObjectFile()->GetModule()->LogMessage (log, "SymbolFileDWARF::ParseType (die = 0x%8.8x) %s '%s' is Objective C 'Class' built-in type.",
5813 DW_TAG_value_to_name(die->Tag()),
5814 die->GetName(this, dwarf_cu));
5815 clang_type = ast.GetBasicType(eBasicTypeObjCClass);
5816 encoding_data_type = Type::eEncodingIsUID;
5817 encoding_uid = LLDB_INVALID_UID;
5818 resolve_state = Type::eResolveStateFull;
5820 else if (type_name_const_str == g_objc_type_name_selector)
5823 GetObjectFile()->GetModule()->LogMessage (log, "SymbolFileDWARF::ParseType (die = 0x%8.8x) %s '%s' is Objective C 'selector' built-in type.",
5825 DW_TAG_value_to_name(die->Tag()),
5826 die->GetName(this, dwarf_cu));
5827 clang_type = ast.GetBasicType(eBasicTypeObjCSel);
5828 encoding_data_type = Type::eEncodingIsUID;
5829 encoding_uid = LLDB_INVALID_UID;
5830 resolve_state = Type::eResolveStateFull;
5833 else if (encoding_data_type == Type::eEncodingIsPointerUID && encoding_uid != LLDB_INVALID_UID)
5835 // Clang sometimes erroneously emits id as objc_object*. In that case we fix up the type to "id".
5837 DWARFDebugInfoEntry* encoding_die = dwarf_cu->GetDIEPtr(encoding_uid);
5839 if (encoding_die && encoding_die->Tag() == DW_TAG_structure_type)
5841 if (const char *struct_name = encoding_die->GetAttributeValueAsString(this, dwarf_cu, DW_AT_name, NULL))
5843 if (!strcmp(struct_name, "objc_object"))
5846 GetObjectFile()->GetModule()->LogMessage (log, "SymbolFileDWARF::ParseType (die = 0x%8.8x) %s '%s' is 'objc_object*', which we overrode to 'id'.",
5848 DW_TAG_value_to_name(die->Tag()),
5849 die->GetName(this, dwarf_cu));
5850 clang_type = ast.GetBasicType(eBasicTypeObjCID);
5851 encoding_data_type = Type::eEncodingIsUID;
5852 encoding_uid = LLDB_INVALID_UID;
5853 resolve_state = Type::eResolveStateFull;
5861 type_sp.reset( new Type (MakeUserID(die->GetOffset()),
5863 type_name_const_str,
5872 m_die_to_type[die] = type_sp.get();
5874 // Type* encoding_type = GetUniquedTypeForDIEOffset(encoding_uid, type_sp, NULL, 0, 0, false);
5875 // if (encoding_type != NULL)
5877 // if (encoding_type != DIE_IS_BEING_PARSED)
5878 // type_sp->SetEncodingType(encoding_type);
5880 // m_indirect_fixups.push_back(type_sp.get());
5885 case DW_TAG_structure_type:
5886 case DW_TAG_union_type:
5887 case DW_TAG_class_type:
5889 // Set a bit that lets us know that we are currently parsing this
5890 m_die_to_type[die] = DIE_IS_BEING_PARSED;
5891 bool byte_size_valid = false;
5893 LanguageType class_language = eLanguageTypeUnknown;
5894 bool is_complete_objc_class = false;
5895 //bool struct_is_class = false;
5896 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
5897 if (num_attributes > 0)
5900 for (i=0; i<num_attributes; ++i)
5902 attr = attributes.AttributeAtIndex(i);
5903 DWARFFormValue form_value;
5904 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
5908 case DW_AT_decl_file:
5909 if (dwarf_cu->DW_AT_decl_file_attributes_are_invalid())
5911 // llvm-gcc outputs invalid DW_AT_decl_file attributes that always
5912 // point to the compile unit file, so we clear this invalid value
5913 // so that we can still unique types efficiently.
5914 decl.SetFile(FileSpec ("<invalid>", false));
5917 decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned()));
5920 case DW_AT_decl_line:
5921 decl.SetLine(form_value.Unsigned());
5924 case DW_AT_decl_column:
5925 decl.SetColumn(form_value.Unsigned());
5929 type_name_cstr = form_value.AsCString(&get_debug_str_data());
5930 type_name_const_str.SetCString(type_name_cstr);
5933 case DW_AT_byte_size:
5934 byte_size = form_value.Unsigned();
5935 byte_size_valid = true;
5938 case DW_AT_accessibility:
5939 accessibility = DW_ACCESS_to_AccessType(form_value.Unsigned());
5942 case DW_AT_declaration:
5943 is_forward_declaration = form_value.Boolean();
5946 case DW_AT_APPLE_runtime_class:
5947 class_language = (LanguageType)form_value.Signed();
5950 case DW_AT_APPLE_objc_complete_type:
5951 is_complete_objc_class = form_value.Signed();
5954 case DW_AT_allocated:
5955 case DW_AT_associated:
5956 case DW_AT_data_location:
5957 case DW_AT_description:
5958 case DW_AT_start_scope:
5959 case DW_AT_visibility:
5968 UniqueDWARFASTType unique_ast_entry;
5970 // Only try and unique the type if it has a name.
5971 if (type_name_const_str &&
5972 GetUniqueDWARFASTTypeMap().Find (type_name_const_str,
5977 byte_size_valid ? byte_size : -1,
5980 // We have already parsed this type or from another
5981 // compile unit. GCC loves to use the "one definition
5982 // rule" which can result in multiple definitions
5983 // of the same class over and over in each compile
5985 type_sp = unique_ast_entry.m_type_sp;
5988 m_die_to_type[die] = type_sp.get();
5993 DEBUG_PRINTF ("0x%8.8" PRIx64 ": %s (\"%s\")\n", MakeUserID(die->GetOffset()), DW_TAG_value_to_name(tag), type_name_cstr);
5995 int tag_decl_kind = -1;
5996 AccessType default_accessibility = eAccessNone;
5997 if (tag == DW_TAG_structure_type)
5999 tag_decl_kind = clang::TTK_Struct;
6000 default_accessibility = eAccessPublic;
6002 else if (tag == DW_TAG_union_type)
6004 tag_decl_kind = clang::TTK_Union;
6005 default_accessibility = eAccessPublic;
6007 else if (tag == DW_TAG_class_type)
6009 tag_decl_kind = clang::TTK_Class;
6010 default_accessibility = eAccessPrivate;
6013 if (byte_size_valid && byte_size == 0 && type_name_cstr &&
6014 die->HasChildren() == false &&
6015 sc.comp_unit->GetLanguage() == eLanguageTypeObjC)
6017 // Work around an issue with clang at the moment where
6018 // forward declarations for objective C classes are emitted
6020 // DW_TAG_structure_type [2]
6021 // DW_AT_name( "ForwardObjcClass" )
6022 // DW_AT_byte_size( 0x00 )
6023 // DW_AT_decl_file( "..." )
6024 // DW_AT_decl_line( 1 )
6026 // Note that there is no DW_AT_declaration and there are
6027 // no children, and the byte size is zero.
6028 is_forward_declaration = true;
6031 if (class_language == eLanguageTypeObjC ||
6032 class_language == eLanguageTypeObjC_plus_plus)
6034 if (!is_complete_objc_class && Supports_DW_AT_APPLE_objc_complete_type(dwarf_cu))
6036 // We have a valid eSymbolTypeObjCClass class symbol whose
6037 // name matches the current objective C class that we
6038 // are trying to find and this DIE isn't the complete
6039 // definition (we checked is_complete_objc_class above and
6040 // know it is false), so the real definition is in here somewhere
6041 type_sp = FindCompleteObjCDefinitionTypeForDIE (die, type_name_const_str, true);
6043 if (!type_sp && GetDebugMapSymfile ())
6045 // We weren't able to find a full declaration in
6046 // this DWARF, see if we have a declaration anywhere
6048 type_sp = m_debug_map_symfile->FindCompleteObjCDefinitionTypeForDIE (die, type_name_const_str, true);
6055 GetObjectFile()->GetModule()->LogMessage (log,
6056 "SymbolFileDWARF(%p) - 0x%8.8x: %s type \"%s\" is an incomplete objc type, complete type is 0x%8.8" PRIx64,
6059 DW_TAG_value_to_name(tag),
6064 // We found a real definition for this type elsewhere
6065 // so lets use it and cache the fact that we found
6066 // a complete type for this die
6067 m_die_to_type[die] = type_sp.get();
6074 if (is_forward_declaration)
6076 // We have a forward declaration to a type and we need
6077 // to try and find a full declaration. We look in the
6078 // current type index just in case we have a forward
6079 // declaration followed by an actual declarations in the
6080 // DWARF. If this fails, we need to look elsewhere...
6083 GetObjectFile()->GetModule()->LogMessage (log,
6084 "SymbolFileDWARF(%p) - 0x%8.8x: %s type \"%s\" is a forward declaration, trying to find complete type",
6087 DW_TAG_value_to_name(tag),
6091 DWARFDeclContext die_decl_ctx;
6092 die->GetDWARFDeclContext(this, dwarf_cu, die_decl_ctx);
6094 //type_sp = FindDefinitionTypeForDIE (dwarf_cu, die, type_name_const_str);
6095 type_sp = FindDefinitionTypeForDWARFDeclContext (die_decl_ctx);
6097 if (!type_sp && GetDebugMapSymfile ())
6099 // We weren't able to find a full declaration in
6100 // this DWARF, see if we have a declaration anywhere
6102 type_sp = m_debug_map_symfile->FindDefinitionTypeForDWARFDeclContext (die_decl_ctx);
6109 GetObjectFile()->GetModule()->LogMessage (log,
6110 "SymbolFileDWARF(%p) - 0x%8.8x: %s type \"%s\" is a forward declaration, complete type is 0x%8.8" PRIx64,
6113 DW_TAG_value_to_name(tag),
6118 // We found a real definition for this type elsewhere
6119 // so lets use it and cache the fact that we found
6120 // a complete type for this die
6121 m_die_to_type[die] = type_sp.get();
6125 assert (tag_decl_kind != -1);
6126 bool clang_type_was_created = false;
6127 clang_type.SetClangType(ast.getASTContext(), m_forward_decl_die_to_clang_type.lookup (die));
6130 const DWARFDebugInfoEntry *decl_ctx_die;
6132 clang::DeclContext *decl_ctx = GetClangDeclContextContainingDIE (dwarf_cu, die, &decl_ctx_die);
6133 if (accessibility == eAccessNone && decl_ctx)
6135 // Check the decl context that contains this class/struct/union.
6136 // If it is a class we must give it an accessability.
6137 const clang::Decl::Kind containing_decl_kind = decl_ctx->getDeclKind();
6138 if (DeclKindIsCXXClass (containing_decl_kind))
6139 accessibility = default_accessibility;
6142 ClangASTMetadata metadata;
6143 metadata.SetUserID(MakeUserID(die->GetOffset()));
6144 metadata.SetIsDynamicCXXType(ClassOrStructIsVirtual (dwarf_cu, die));
6146 if (type_name_cstr && strchr (type_name_cstr, '<'))
6148 ClangASTContext::TemplateParameterInfos template_param_infos;
6149 if (ParseTemplateParameterInfos (dwarf_cu, die, template_param_infos))
6151 clang::ClassTemplateDecl *class_template_decl = ParseClassTemplateDecl (decl_ctx,
6155 template_param_infos);
6157 clang::ClassTemplateSpecializationDecl *class_specialization_decl = ast.CreateClassTemplateSpecializationDecl (decl_ctx,
6158 class_template_decl,
6160 template_param_infos);
6161 clang_type = ast.CreateClassTemplateSpecializationType (class_specialization_decl);
6162 clang_type_was_created = true;
6164 GetClangASTContext().SetMetadata (class_template_decl, metadata);
6165 GetClangASTContext().SetMetadata (class_specialization_decl, metadata);
6169 if (!clang_type_was_created)
6171 clang_type_was_created = true;
6172 clang_type = ast.CreateRecordType (decl_ctx,
6181 // Store a forward declaration to this class type in case any
6182 // parameters in any class methods need it for the clang
6183 // types for function prototypes.
6184 LinkDeclContextToDIE(clang_type.GetDeclContextForType(), die);
6185 type_sp.reset (new Type (MakeUserID(die->GetOffset()),
6187 type_name_const_str,
6191 Type::eEncodingIsUID,
6194 Type::eResolveStateForward));
6196 type_sp->SetIsCompleteObjCClass(is_complete_objc_class);
6199 // Add our type to the unique type map so we don't
6200 // end up creating many copies of the same type over
6201 // and over in the ASTContext for our module
6202 unique_ast_entry.m_type_sp = type_sp;
6203 unique_ast_entry.m_symfile = this;
6204 unique_ast_entry.m_cu = dwarf_cu;
6205 unique_ast_entry.m_die = die;
6206 unique_ast_entry.m_declaration = decl;
6207 unique_ast_entry.m_byte_size = byte_size;
6208 GetUniqueDWARFASTTypeMap().Insert (type_name_const_str,
6211 if (is_forward_declaration && die->HasChildren())
6213 // Check to see if the DIE actually has a definition, some version of GCC will
6214 // emit DIEs with DW_AT_declaration set to true, but yet still have subprogram,
6215 // members, or inheritance, so we can't trust it
6216 const DWARFDebugInfoEntry *child_die = die->GetFirstChild();
6219 switch (child_die->Tag())
6221 case DW_TAG_inheritance:
6222 case DW_TAG_subprogram:
6224 case DW_TAG_APPLE_property:
6226 is_forward_declaration = false;
6229 child_die = child_die->GetSibling();
6235 if (!is_forward_declaration)
6237 // Always start the definition for a class type so that
6238 // if the class has child classes or types that require
6239 // the class to be created for use as their decl contexts
6240 // the class will be ready to accept these child definitions.
6241 if (die->HasChildren() == false)
6243 // No children for this struct/union/class, lets finish it
6244 clang_type.StartTagDeclarationDefinition ();
6245 clang_type.CompleteTagDeclarationDefinition ();
6247 if (tag == DW_TAG_structure_type) // this only applies in C
6249 clang::RecordDecl *record_decl = clang_type.GetAsRecordDecl();
6253 LayoutInfo layout_info;
6255 layout_info.alignment = 0;
6256 layout_info.bit_size = 0;
6258 m_record_decl_to_layout_map.insert(std::make_pair(record_decl, layout_info));
6262 else if (clang_type_was_created)
6264 // Start the definition if the class is not objective C since
6265 // the underlying decls respond to isCompleteDefinition(). Objective
6266 // C decls dont' respond to isCompleteDefinition() so we can't
6267 // start the declaration definition right away. For C++ classs/union/structs
6268 // we want to start the definition in case the class is needed as the
6269 // declaration context for a contained class or type without the need
6270 // to complete that type..
6272 if (class_language != eLanguageTypeObjC &&
6273 class_language != eLanguageTypeObjC_plus_plus)
6274 clang_type.StartTagDeclarationDefinition ();
6276 // Leave this as a forward declaration until we need
6277 // to know the details of the type. lldb_private::Type
6278 // will automatically call the SymbolFile virtual function
6279 // "SymbolFileDWARF::ResolveClangOpaqueTypeDefinition(Type *)"
6280 // When the definition needs to be defined.
6281 m_forward_decl_die_to_clang_type[die] = clang_type.GetOpaqueQualType();
6282 m_forward_decl_clang_type_to_die[clang_type.RemoveFastQualifiers().GetOpaqueQualType()] = die;
6283 clang_type.SetHasExternalStorage (true);
6290 case DW_TAG_enumeration_type:
6292 // Set a bit that lets us know that we are currently parsing this
6293 m_die_to_type[die] = DIE_IS_BEING_PARSED;
6295 lldb::user_id_t encoding_uid = DW_INVALID_OFFSET;
6297 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
6298 if (num_attributes > 0)
6302 for (i=0; i<num_attributes; ++i)
6304 attr = attributes.AttributeAtIndex(i);
6305 DWARFFormValue form_value;
6306 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
6310 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
6311 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
6312 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
6314 type_name_cstr = form_value.AsCString(&get_debug_str_data());
6315 type_name_const_str.SetCString(type_name_cstr);
6317 case DW_AT_type: encoding_uid = form_value.Reference(dwarf_cu); break;
6318 case DW_AT_byte_size: byte_size = form_value.Unsigned(); break;
6319 case DW_AT_accessibility: break; //accessibility = DW_ACCESS_to_AccessType(form_value.Unsigned()); break;
6320 case DW_AT_declaration: break; //is_forward_declaration = form_value.Boolean(); break;
6321 case DW_AT_allocated:
6322 case DW_AT_associated:
6323 case DW_AT_bit_stride:
6324 case DW_AT_byte_stride:
6325 case DW_AT_data_location:
6326 case DW_AT_description:
6327 case DW_AT_start_scope:
6328 case DW_AT_visibility:
6329 case DW_AT_specification:
6330 case DW_AT_abstract_origin:
6337 DEBUG_PRINTF ("0x%8.8" PRIx64 ": %s (\"%s\")\n", MakeUserID(die->GetOffset()), DW_TAG_value_to_name(tag), type_name_cstr);
6339 ClangASTType enumerator_clang_type;
6340 clang_type.SetClangType (ast.getASTContext(), m_forward_decl_die_to_clang_type.lookup (die));
6343 if (encoding_uid != DW_INVALID_OFFSET)
6345 Type *enumerator_type = ResolveTypeUID(encoding_uid);
6346 if (enumerator_type)
6347 enumerator_clang_type = enumerator_type->GetClangFullType();
6350 if (!enumerator_clang_type)
6351 enumerator_clang_type = ast.GetBuiltinTypeForDWARFEncodingAndBitSize (NULL,
6355 clang_type = ast.CreateEnumerationType (type_name_cstr,
6356 GetClangDeclContextContainingDIE (dwarf_cu, die, NULL),
6358 enumerator_clang_type);
6362 enumerator_clang_type = clang_type.GetEnumerationIntegerType ();
6365 LinkDeclContextToDIE(clang_type.GetDeclContextForType(), die);
6367 type_sp.reset( new Type (MakeUserID(die->GetOffset()),
6369 type_name_const_str,
6373 Type::eEncodingIsUID,
6376 Type::eResolveStateForward));
6378 clang_type.StartTagDeclarationDefinition ();
6379 if (die->HasChildren())
6381 SymbolContext cu_sc(GetCompUnitForDWARFCompUnit(dwarf_cu));
6382 bool is_signed = false;
6383 enumerator_clang_type.IsIntegerType(is_signed);
6384 ParseChildEnumerators(cu_sc, clang_type, is_signed, type_sp->GetByteSize(), dwarf_cu, die);
6386 clang_type.CompleteTagDeclarationDefinition ();
6391 case DW_TAG_inlined_subroutine:
6392 case DW_TAG_subprogram:
6393 case DW_TAG_subroutine_type:
6395 // Set a bit that lets us know that we are currently parsing this
6396 m_die_to_type[die] = DIE_IS_BEING_PARSED;
6398 //const char *mangled = NULL;
6399 dw_offset_t type_die_offset = DW_INVALID_OFFSET;
6400 bool is_variadic = false;
6401 bool is_inline = false;
6402 bool is_static = false;
6403 bool is_virtual = false;
6404 bool is_explicit = false;
6405 bool is_artificial = false;
6406 dw_offset_t specification_die_offset = DW_INVALID_OFFSET;
6407 dw_offset_t abstract_origin_die_offset = DW_INVALID_OFFSET;
6408 dw_offset_t object_pointer_die_offset = DW_INVALID_OFFSET;
6410 unsigned type_quals = 0;
6411 clang::StorageClass storage = clang::SC_None;//, Extern, Static, PrivateExtern
6414 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
6415 if (num_attributes > 0)
6418 for (i=0; i<num_attributes; ++i)
6420 attr = attributes.AttributeAtIndex(i);
6421 DWARFFormValue form_value;
6422 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
6426 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
6427 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
6428 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
6430 type_name_cstr = form_value.AsCString(&get_debug_str_data());
6431 type_name_const_str.SetCString(type_name_cstr);
6434 case DW_AT_linkage_name:
6435 case DW_AT_MIPS_linkage_name: break; // mangled = form_value.AsCString(&get_debug_str_data()); break;
6436 case DW_AT_type: type_die_offset = form_value.Reference(dwarf_cu); break;
6437 case DW_AT_accessibility: accessibility = DW_ACCESS_to_AccessType(form_value.Unsigned()); break;
6438 case DW_AT_declaration: break; // is_forward_declaration = form_value.Boolean(); break;
6439 case DW_AT_inline: is_inline = form_value.Boolean(); break;
6440 case DW_AT_virtuality: is_virtual = form_value.Boolean(); break;
6441 case DW_AT_explicit: is_explicit = form_value.Boolean(); break;
6442 case DW_AT_artificial: is_artificial = form_value.Boolean(); break;
6445 case DW_AT_external:
6446 if (form_value.Unsigned())
6448 if (storage == clang::SC_None)
6449 storage = clang::SC_Extern;
6451 storage = clang::SC_PrivateExtern;
6455 case DW_AT_specification:
6456 specification_die_offset = form_value.Reference(dwarf_cu);
6459 case DW_AT_abstract_origin:
6460 abstract_origin_die_offset = form_value.Reference(dwarf_cu);
6463 case DW_AT_object_pointer:
6464 object_pointer_die_offset = form_value.Reference(dwarf_cu);
6467 case DW_AT_allocated:
6468 case DW_AT_associated:
6469 case DW_AT_address_class:
6470 case DW_AT_calling_convention:
6471 case DW_AT_data_location:
6472 case DW_AT_elemental:
6473 case DW_AT_entry_pc:
6474 case DW_AT_frame_base:
6477 case DW_AT_prototyped:
6480 case DW_AT_recursive:
6481 case DW_AT_return_addr:
6483 case DW_AT_start_scope:
6484 case DW_AT_static_link:
6485 case DW_AT_trampoline:
6486 case DW_AT_visibility:
6487 case DW_AT_vtable_elem_location:
6488 case DW_AT_description:
6496 std::string object_pointer_name;
6497 if (object_pointer_die_offset != DW_INVALID_OFFSET)
6499 // Get the name from the object pointer die
6501 if (DWARFDebugInfoEntry::GetName (this, dwarf_cu, object_pointer_die_offset, s))
6503 object_pointer_name.assign(s.GetData());
6507 DEBUG_PRINTF ("0x%8.8" PRIx64 ": %s (\"%s\")\n", MakeUserID(die->GetOffset()), DW_TAG_value_to_name(tag), type_name_cstr);
6509 ClangASTType return_clang_type;
6510 Type *func_type = NULL;
6512 if (type_die_offset != DW_INVALID_OFFSET)
6513 func_type = ResolveTypeUID(type_die_offset);
6516 return_clang_type = func_type->GetClangForwardType();
6518 return_clang_type = ast.GetBasicType(eBasicTypeVoid);
6521 std::vector<ClangASTType> function_param_types;
6522 std::vector<clang::ParmVarDecl*> function_param_decls;
6524 // Parse the function children for the parameters
6526 const DWARFDebugInfoEntry *decl_ctx_die = NULL;
6527 clang::DeclContext *containing_decl_ctx = GetClangDeclContextContainingDIE (dwarf_cu, die, &decl_ctx_die);
6528 const clang::Decl::Kind containing_decl_kind = containing_decl_ctx->getDeclKind();
6530 const bool is_cxx_method = DeclKindIsCXXClass (containing_decl_kind);
6531 // Start off static. This will be set to false in ParseChildParameters(...)
6532 // if we find a "this" paramters as the first parameter
6535 ClangASTContext::TemplateParameterInfos template_param_infos;
6537 if (die->HasChildren())
6539 bool skip_artificial = true;
6540 ParseChildParameters (sc,
6541 containing_decl_ctx,
6547 function_param_types,
6548 function_param_decls,
6550 template_param_infos);
6553 // clang_type will get the function prototype clang type after this call
6554 clang_type = ast.CreateFunctionType (return_clang_type,
6555 function_param_types.data(),
6556 function_param_types.size(),
6560 bool ignore_containing_context = false;
6564 bool type_handled = false;
6565 if (tag == DW_TAG_subprogram)
6567 ObjCLanguageRuntime::MethodName objc_method (type_name_cstr, true);
6568 if (objc_method.IsValid(true))
6570 SymbolContext empty_sc;
6571 ClangASTType class_opaque_type;
6572 ConstString class_name(objc_method.GetClassName());
6576 TypeSP complete_objc_class_type_sp (FindCompleteObjCDefinitionTypeForDIE (NULL, class_name, false));
6578 if (complete_objc_class_type_sp)
6580 ClangASTType type_clang_forward_type = complete_objc_class_type_sp->GetClangForwardType();
6581 if (type_clang_forward_type.IsObjCObjectOrInterfaceType ())
6582 class_opaque_type = type_clang_forward_type;
6586 if (class_opaque_type)
6588 // If accessibility isn't set to anything valid, assume public for
6590 if (accessibility == eAccessNone)
6591 accessibility = eAccessPublic;
6593 clang::ObjCMethodDecl *objc_method_decl = class_opaque_type.AddMethodToObjCObjectType (type_name_cstr,
6597 type_handled = objc_method_decl != NULL;
6600 LinkDeclContextToDIE(ClangASTContext::GetAsDeclContext(objc_method_decl), die);
6601 GetClangASTContext().SetMetadataAsUserID (objc_method_decl, MakeUserID(die->GetOffset()));
6605 GetObjectFile()->GetModule()->ReportError ("{0x%8.8x}: invalid Objective-C method 0x%4.4x (%s), please file a bug and attach the file at the start of this error message",
6608 DW_TAG_value_to_name(tag));
6612 else if (is_cxx_method)
6614 // Look at the parent of this DIE and see if is is
6615 // a class or struct and see if this is actually a
6617 Type *class_type = ResolveType (dwarf_cu, decl_ctx_die);
6620 if (class_type->GetID() != MakeUserID(decl_ctx_die->GetOffset()))
6622 // We uniqued the parent class of this function to another class
6623 // so we now need to associate all dies under "decl_ctx_die" to
6624 // DIEs in the DIE for "class_type"...
6625 SymbolFileDWARF *class_symfile = NULL;
6626 DWARFCompileUnitSP class_type_cu_sp;
6627 const DWARFDebugInfoEntry *class_type_die = NULL;
6629 SymbolFileDWARFDebugMap *debug_map_symfile = GetDebugMapSymfile();
6630 if (debug_map_symfile)
6632 class_symfile = debug_map_symfile->GetSymbolFileByOSOIndex(SymbolFileDWARFDebugMap::GetOSOIndexFromUserID(class_type->GetID()));
6633 class_type_die = class_symfile->DebugInfo()->GetDIEPtr(class_type->GetID(), &class_type_cu_sp);
6637 class_symfile = this;
6638 class_type_die = DebugInfo()->GetDIEPtr(class_type->GetID(), &class_type_cu_sp);
6642 llvm::SmallVector<const DWARFDebugInfoEntry *, 0> failures;
6644 CopyUniqueClassMethodTypes (class_symfile,
6646 class_type_cu_sp.get(),
6652 // FIXME do something with these failures that's smarter than
6653 // just dropping them on the ground. Unfortunately classes don't
6654 // like having stuff added to them after their definitions are
6657 type_ptr = m_die_to_type[die];
6658 if (type_ptr && type_ptr != DIE_IS_BEING_PARSED)
6660 type_sp = type_ptr->shared_from_this();
6666 if (specification_die_offset != DW_INVALID_OFFSET)
6668 // We have a specification which we are going to base our function
6669 // prototype off of, so we need this type to be completed so that the
6670 // m_die_to_decl_ctx for the method in the specification has a valid
6671 // clang decl context.
6672 class_type->GetClangForwardType();
6673 // If we have a specification, then the function type should have been
6674 // made with the specification and not with this die.
6675 DWARFCompileUnitSP spec_cu_sp;
6676 const DWARFDebugInfoEntry* spec_die = DebugInfo()->GetDIEPtr(specification_die_offset, &spec_cu_sp);
6677 clang::DeclContext *spec_clang_decl_ctx = GetClangDeclContextForDIE (sc, dwarf_cu, spec_die);
6678 if (spec_clang_decl_ctx)
6680 LinkDeclContextToDIE(spec_clang_decl_ctx, die);
6684 GetObjectFile()->GetModule()->ReportWarning ("0x%8.8" PRIx64 ": DW_AT_specification(0x%8.8x) has no decl\n",
6685 MakeUserID(die->GetOffset()),
6686 specification_die_offset);
6688 type_handled = true;
6690 else if (abstract_origin_die_offset != DW_INVALID_OFFSET)
6692 // We have a specification which we are going to base our function
6693 // prototype off of, so we need this type to be completed so that the
6694 // m_die_to_decl_ctx for the method in the abstract origin has a valid
6695 // clang decl context.
6696 class_type->GetClangForwardType();
6698 DWARFCompileUnitSP abs_cu_sp;
6699 const DWARFDebugInfoEntry* abs_die = DebugInfo()->GetDIEPtr(abstract_origin_die_offset, &abs_cu_sp);
6700 clang::DeclContext *abs_clang_decl_ctx = GetClangDeclContextForDIE (sc, dwarf_cu, abs_die);
6701 if (abs_clang_decl_ctx)
6703 LinkDeclContextToDIE (abs_clang_decl_ctx, die);
6707 GetObjectFile()->GetModule()->ReportWarning ("0x%8.8" PRIx64 ": DW_AT_abstract_origin(0x%8.8x) has no decl\n",
6708 MakeUserID(die->GetOffset()),
6709 abstract_origin_die_offset);
6711 type_handled = true;
6715 ClangASTType class_opaque_type = class_type->GetClangForwardType();
6716 if (class_opaque_type.IsCXXClassType ())
6718 if (class_opaque_type.IsBeingDefined ())
6720 // Neither GCC 4.2 nor clang++ currently set a valid accessibility
6721 // in the DWARF for C++ methods... Default to public for now...
6722 if (accessibility == eAccessNone)
6723 accessibility = eAccessPublic;
6725 if (!is_static && !die->HasChildren())
6727 // We have a C++ member function with no children (this pointer!)
6728 // and clang will get mad if we try and make a function that isn't
6729 // well formed in the DWARF, so we will just skip it...
6730 type_handled = true;
6734 clang::CXXMethodDecl *cxx_method_decl;
6735 // REMOVE THE CRASH DESCRIPTION BELOW
6736 Host::SetCrashDescriptionWithFormat ("SymbolFileDWARF::ParseType() is adding a method %s to class %s in DIE 0x%8.8" PRIx64 " from %s",
6738 class_type->GetName().GetCString(),
6739 MakeUserID(die->GetOffset()),
6740 m_obj_file->GetFileSpec().GetPath().c_str());
6742 const bool is_attr_used = false;
6744 cxx_method_decl = class_opaque_type.AddMethodToCXXRecordType (type_name_cstr,
6754 type_handled = cxx_method_decl != NULL;
6758 LinkDeclContextToDIE(ClangASTContext::GetAsDeclContext(cxx_method_decl), die);
6760 Host::SetCrashDescription (NULL);
6763 ClangASTMetadata metadata;
6764 metadata.SetUserID(MakeUserID(die->GetOffset()));
6766 if (!object_pointer_name.empty())
6768 metadata.SetObjectPtrName(object_pointer_name.c_str());
6770 log->Printf ("Setting object pointer name: %s on method object %p.\n",
6771 object_pointer_name.c_str(),
6774 GetClangASTContext().SetMetadata (cxx_method_decl, metadata);
6778 ignore_containing_context = true;
6784 // We were asked to parse the type for a method in a class, yet the
6785 // class hasn't been asked to complete itself through the
6786 // clang::ExternalASTSource protocol, so we need to just have the
6787 // class complete itself and do things the right way, then our
6788 // DIE should then have an entry in the m_die_to_type map. First
6789 // we need to modify the m_die_to_type so it doesn't think we are
6790 // trying to parse this DIE anymore...
6791 m_die_to_type[die] = NULL;
6793 // Now we get the full type to force our class type to complete itself
6794 // using the clang::ExternalASTSource protocol which will parse all
6795 // base classes and all methods (including the method for this DIE).
6796 class_type->GetClangFullType();
6798 // The type for this DIE should have been filled in the function call above
6799 type_ptr = m_die_to_type[die];
6800 if (type_ptr && type_ptr != DIE_IS_BEING_PARSED)
6802 type_sp = type_ptr->shared_from_this();
6806 // FIXME This is fixing some even uglier behavior but we really need to
6807 // uniq the methods of each class as well as the class itself.
6808 // <rdar://problem/11240464>
6809 type_handled = true;
6819 // We just have a function that isn't part of a class
6820 clang::FunctionDecl *function_decl = ast.CreateFunctionDeclaration (ignore_containing_context ? GetClangASTContext().GetTranslationUnitDecl() : containing_decl_ctx,
6826 // if (template_param_infos.GetSize() > 0)
6828 // clang::FunctionTemplateDecl *func_template_decl = ast.CreateFunctionTemplateDecl (containing_decl_ctx,
6831 // template_param_infos);
6833 // ast.CreateFunctionTemplateSpecializationInfo (function_decl,
6834 // func_template_decl,
6835 // template_param_infos);
6837 // Add the decl to our DIE to decl context map
6838 assert (function_decl);
6839 LinkDeclContextToDIE(function_decl, die);
6840 if (!function_param_decls.empty())
6841 ast.SetFunctionParameters (function_decl,
6842 &function_param_decls.front(),
6843 function_param_decls.size());
6845 ClangASTMetadata metadata;
6846 metadata.SetUserID(MakeUserID(die->GetOffset()));
6848 if (!object_pointer_name.empty())
6850 metadata.SetObjectPtrName(object_pointer_name.c_str());
6852 log->Printf ("Setting object pointer name: %s on function object %p.",
6853 object_pointer_name.c_str(),
6856 GetClangASTContext().SetMetadata (function_decl, metadata);
6859 type_sp.reset( new Type (MakeUserID(die->GetOffset()),
6861 type_name_const_str,
6865 Type::eEncodingIsUID,
6868 Type::eResolveStateFull));
6869 assert(type_sp.get());
6873 case DW_TAG_array_type:
6875 // Set a bit that lets us know that we are currently parsing this
6876 m_die_to_type[die] = DIE_IS_BEING_PARSED;
6878 lldb::user_id_t type_die_offset = DW_INVALID_OFFSET;
6879 int64_t first_index = 0;
6880 uint32_t byte_stride = 0;
6881 uint32_t bit_stride = 0;
6882 bool is_vector = false;
6883 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
6885 if (num_attributes > 0)
6888 for (i=0; i<num_attributes; ++i)
6890 attr = attributes.AttributeAtIndex(i);
6891 DWARFFormValue form_value;
6892 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
6896 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
6897 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
6898 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
6900 type_name_cstr = form_value.AsCString(&get_debug_str_data());
6901 type_name_const_str.SetCString(type_name_cstr);
6904 case DW_AT_type: type_die_offset = form_value.Reference(dwarf_cu); break;
6905 case DW_AT_byte_size: break; // byte_size = form_value.Unsigned(); break;
6906 case DW_AT_byte_stride: byte_stride = form_value.Unsigned(); break;
6907 case DW_AT_bit_stride: bit_stride = form_value.Unsigned(); break;
6908 case DW_AT_GNU_vector: is_vector = form_value.Boolean(); break;
6909 case DW_AT_accessibility: break; // accessibility = DW_ACCESS_to_AccessType(form_value.Unsigned()); break;
6910 case DW_AT_declaration: break; // is_forward_declaration = form_value.Boolean(); break;
6911 case DW_AT_allocated:
6912 case DW_AT_associated:
6913 case DW_AT_data_location:
6914 case DW_AT_description:
6915 case DW_AT_ordering:
6916 case DW_AT_start_scope:
6917 case DW_AT_visibility:
6918 case DW_AT_specification:
6919 case DW_AT_abstract_origin:
6926 DEBUG_PRINTF ("0x%8.8" PRIx64 ": %s (\"%s\")\n", MakeUserID(die->GetOffset()), DW_TAG_value_to_name(tag), type_name_cstr);
6928 Type *element_type = ResolveTypeUID(type_die_offset);
6932 std::vector<uint64_t> element_orders;
6933 ParseChildArrayInfo(sc, dwarf_cu, die, first_index, element_orders, byte_stride, bit_stride);
6934 if (byte_stride == 0 && bit_stride == 0)
6935 byte_stride = element_type->GetByteSize();
6936 ClangASTType array_element_type = element_type->GetClangForwardType();
6937 uint64_t array_element_bit_stride = byte_stride * 8 + bit_stride;
6938 uint64_t num_elements = 0;
6939 std::vector<uint64_t>::const_reverse_iterator pos;
6940 std::vector<uint64_t>::const_reverse_iterator end = element_orders.rend();
6941 for (pos = element_orders.rbegin(); pos != end; ++pos)
6943 num_elements = *pos;
6944 clang_type = ast.CreateArrayType (array_element_type,
6947 array_element_type = clang_type;
6948 array_element_bit_stride = num_elements ? array_element_bit_stride * num_elements : array_element_bit_stride;
6950 ConstString empty_name;
6951 type_sp.reset( new Type (MakeUserID(die->GetOffset()),
6954 array_element_bit_stride / 8,
6957 Type::eEncodingIsUID,
6960 Type::eResolveStateFull));
6961 type_sp->SetEncodingType (element_type);
6967 case DW_TAG_ptr_to_member_type:
6969 dw_offset_t type_die_offset = DW_INVALID_OFFSET;
6970 dw_offset_t containing_type_die_offset = DW_INVALID_OFFSET;
6972 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
6974 if (num_attributes > 0) {
6976 for (i=0; i<num_attributes; ++i)
6978 attr = attributes.AttributeAtIndex(i);
6979 DWARFFormValue form_value;
6980 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
6985 type_die_offset = form_value.Reference(dwarf_cu); break;
6986 case DW_AT_containing_type:
6987 containing_type_die_offset = form_value.Reference(dwarf_cu); break;
6992 Type *pointee_type = ResolveTypeUID(type_die_offset);
6993 Type *class_type = ResolveTypeUID(containing_type_die_offset);
6995 ClangASTType pointee_clang_type = pointee_type->GetClangForwardType();
6996 ClangASTType class_clang_type = class_type->GetClangLayoutType();
6998 clang_type = pointee_clang_type.CreateMemberPointerType(class_clang_type);
7000 byte_size = clang_type.GetByteSize();
7002 type_sp.reset( new Type (MakeUserID(die->GetOffset()),
7004 type_name_const_str,
7008 Type::eEncodingIsUID,
7011 Type::eResolveStateForward));
7017 GetObjectFile()->GetModule()->ReportError ("{0x%8.8x}: unhandled type tag 0x%4.4x (%s), please file a bug and attach the file at the start of this error message",
7020 DW_TAG_value_to_name(tag));
7026 const DWARFDebugInfoEntry *sc_parent_die = GetParentSymbolContextDIE(die);
7027 dw_tag_t sc_parent_tag = sc_parent_die ? sc_parent_die->Tag() : 0;
7029 SymbolContextScope * symbol_context_scope = NULL;
7030 if (sc_parent_tag == DW_TAG_compile_unit)
7032 symbol_context_scope = sc.comp_unit;
7034 else if (sc.function != NULL)
7036 symbol_context_scope = sc.function->GetBlock(true).FindBlockByID(MakeUserID(sc_parent_die->GetOffset()));
7037 if (symbol_context_scope == NULL)
7038 symbol_context_scope = sc.function;
7041 if (symbol_context_scope != NULL)
7043 type_sp->SetSymbolContextScope(symbol_context_scope);
7046 // We are ready to put this type into the uniqued list up at the module level
7047 type_list->Insert (type_sp);
7049 m_die_to_type[die] = type_sp.get();
7052 else if (type_ptr != DIE_IS_BEING_PARSED)
7054 type_sp = type_ptr->shared_from_this();
7061 SymbolFileDWARF::ParseTypes
7063 const SymbolContext& sc,
7064 DWARFCompileUnit* dwarf_cu,
7065 const DWARFDebugInfoEntry *die,
7066 bool parse_siblings,
7070 size_t types_added = 0;
7073 bool type_is_new = false;
7074 if (ParseType(sc, dwarf_cu, die, &type_is_new).get())
7080 if (parse_children && die->HasChildren())
7082 if (die->Tag() == DW_TAG_subprogram)
7084 SymbolContext child_sc(sc);
7085 child_sc.function = sc.comp_unit->FindFunctionByUID(MakeUserID(die->GetOffset())).get();
7086 types_added += ParseTypes(child_sc, dwarf_cu, die->GetFirstChild(), true, true);
7089 types_added += ParseTypes(sc, dwarf_cu, die->GetFirstChild(), true, true);
7093 die = die->GetSibling();
7102 SymbolFileDWARF::ParseFunctionBlocks (const SymbolContext &sc)
7104 assert(sc.comp_unit && sc.function);
7105 size_t functions_added = 0;
7106 DWARFCompileUnit* dwarf_cu = GetDWARFCompileUnit(sc.comp_unit);
7109 dw_offset_t function_die_offset = sc.function->GetID();
7110 const DWARFDebugInfoEntry *function_die = dwarf_cu->GetDIEPtr(function_die_offset);
7113 ParseFunctionBlocks(sc, &sc.function->GetBlock (false), dwarf_cu, function_die, LLDB_INVALID_ADDRESS, 0);
7117 return functions_added;
7122 SymbolFileDWARF::ParseTypes (const SymbolContext &sc)
7124 // At least a compile unit must be valid
7125 assert(sc.comp_unit);
7126 size_t types_added = 0;
7127 DWARFCompileUnit* dwarf_cu = GetDWARFCompileUnit(sc.comp_unit);
7132 dw_offset_t function_die_offset = sc.function->GetID();
7133 const DWARFDebugInfoEntry *func_die = dwarf_cu->GetDIEPtr(function_die_offset);
7134 if (func_die && func_die->HasChildren())
7136 types_added = ParseTypes(sc, dwarf_cu, func_die->GetFirstChild(), true, true);
7141 const DWARFDebugInfoEntry *dwarf_cu_die = dwarf_cu->DIE();
7142 if (dwarf_cu_die && dwarf_cu_die->HasChildren())
7144 types_added = ParseTypes(sc, dwarf_cu, dwarf_cu_die->GetFirstChild(), true, true);
7153 SymbolFileDWARF::ParseVariablesForContext (const SymbolContext& sc)
7155 if (sc.comp_unit != NULL)
7157 DWARFDebugInfo* info = DebugInfo();
7163 DWARFCompileUnit* dwarf_cu = info->GetCompileUnitContainingDIE(sc.function->GetID()).get();
7165 if (dwarf_cu == NULL)
7168 const DWARFDebugInfoEntry *function_die = dwarf_cu->GetDIEPtr(sc.function->GetID());
7170 dw_addr_t func_lo_pc = function_die->GetAttributeValueAsUnsigned (this, dwarf_cu, DW_AT_low_pc, LLDB_INVALID_ADDRESS);
7171 if (func_lo_pc != LLDB_INVALID_ADDRESS)
7173 const size_t num_variables = ParseVariables(sc, dwarf_cu, func_lo_pc, function_die->GetFirstChild(), true, true);
7175 // Let all blocks know they have parse all their variables
7176 sc.function->GetBlock (false).SetDidParseVariables (true, true);
7177 return num_variables;
7180 else if (sc.comp_unit)
7182 DWARFCompileUnit* dwarf_cu = info->GetCompileUnit(sc.comp_unit->GetID()).get();
7184 if (dwarf_cu == NULL)
7187 uint32_t vars_added = 0;
7188 VariableListSP variables (sc.comp_unit->GetVariableList(false));
7190 if (variables.get() == NULL)
7192 variables.reset(new VariableList());
7193 sc.comp_unit->SetVariableList(variables);
7195 DWARFCompileUnit* match_dwarf_cu = NULL;
7196 const DWARFDebugInfoEntry* die = NULL;
7197 DIEArray die_offsets;
7198 if (m_using_apple_tables)
7200 if (m_apple_names_ap.get())
7202 DWARFMappedHash::DIEInfoArray hash_data_array;
7203 if (m_apple_names_ap->AppendAllDIEsInRange (dwarf_cu->GetOffset(),
7204 dwarf_cu->GetNextCompileUnitOffset(),
7207 DWARFMappedHash::ExtractDIEArray (hash_data_array, die_offsets);
7213 // Index if we already haven't to make sure the compile units
7214 // get indexed and make their global DIE index list
7218 m_global_index.FindAllEntriesForCompileUnit (dwarf_cu->GetOffset(),
7219 dwarf_cu->GetNextCompileUnitOffset(),
7223 const size_t num_matches = die_offsets.size();
7226 DWARFDebugInfo* debug_info = DebugInfo();
7227 for (size_t i=0; i<num_matches; ++i)
7229 const dw_offset_t die_offset = die_offsets[i];
7230 die = debug_info->GetDIEPtrWithCompileUnitHint (die_offset, &match_dwarf_cu);
7233 VariableSP var_sp (ParseVariableDIE(sc, dwarf_cu, die, LLDB_INVALID_ADDRESS));
7236 variables->AddVariableIfUnique (var_sp);
7242 if (m_using_apple_tables)
7244 GetObjectFile()->GetModule()->ReportErrorIfModifyDetected ("the DWARF debug information has been modified (.apple_names accelerator table had bad die 0x%8.8x)\n", die_offset);
7259 SymbolFileDWARF::ParseVariableDIE
7261 const SymbolContext& sc,
7262 DWARFCompileUnit* dwarf_cu,
7263 const DWARFDebugInfoEntry *die,
7264 const lldb::addr_t func_low_pc
7268 VariableSP var_sp (m_die_to_variable_sp[die]);
7270 return var_sp; // Already been parsed!
7272 const dw_tag_t tag = die->Tag();
7273 ModuleSP module = GetObjectFile()->GetModule();
7275 if ((tag == DW_TAG_variable) ||
7276 (tag == DW_TAG_constant) ||
7277 (tag == DW_TAG_formal_parameter && sc.function))
7279 DWARFDebugInfoEntry::Attributes attributes;
7280 const size_t num_attributes = die->GetAttributes(this, dwarf_cu, NULL, attributes);
7281 if (num_attributes > 0)
7283 const char *name = NULL;
7284 const char *mangled = NULL;
7287 lldb::user_id_t type_uid = LLDB_INVALID_UID;
7288 DWARFExpression location;
7289 bool is_external = false;
7290 bool is_artificial = false;
7291 bool location_is_const_value_data = false;
7292 bool has_explicit_location = false;
7293 //AccessType accessibility = eAccessNone;
7295 for (i=0; i<num_attributes; ++i)
7297 dw_attr_t attr = attributes.AttributeAtIndex(i);
7298 DWARFFormValue form_value;
7299 if (attributes.ExtractFormValueAtIndex(this, i, form_value))
7303 case DW_AT_decl_file: decl.SetFile(sc.comp_unit->GetSupportFiles().GetFileSpecAtIndex(form_value.Unsigned())); break;
7304 case DW_AT_decl_line: decl.SetLine(form_value.Unsigned()); break;
7305 case DW_AT_decl_column: decl.SetColumn(form_value.Unsigned()); break;
7306 case DW_AT_name: name = form_value.AsCString(&get_debug_str_data()); break;
7307 case DW_AT_linkage_name:
7308 case DW_AT_MIPS_linkage_name: mangled = form_value.AsCString(&get_debug_str_data()); break;
7309 case DW_AT_type: type_uid = form_value.Reference(dwarf_cu); break;
7310 case DW_AT_external: is_external = form_value.Boolean(); break;
7311 case DW_AT_const_value:
7312 // If we have already found a DW_AT_location attribute, ignore this attribute.
7313 if (!has_explicit_location)
7315 location_is_const_value_data = true;
7316 // The constant value will be either a block, a data value or a string.
7317 const DWARFDataExtractor& debug_info_data = get_debug_info_data();
7318 if (DWARFFormValue::IsBlockForm(form_value.Form()))
7320 // Retrieve the value as a block expression.
7321 uint32_t block_offset = form_value.BlockData() - debug_info_data.GetDataStart();
7322 uint32_t block_length = form_value.Unsigned();
7323 location.CopyOpcodeData(module, debug_info_data, block_offset, block_length);
7325 else if (DWARFFormValue::IsDataForm(form_value.Form()))
7327 // Retrieve the value as a data expression.
7328 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
7329 uint32_t data_offset = attributes.DIEOffsetAtIndex(i);
7330 uint32_t data_length = fixed_form_sizes[form_value.Form()];
7331 location.CopyOpcodeData(module, debug_info_data, data_offset, data_length);
7335 // Retrieve the value as a string expression.
7336 if (form_value.Form() == DW_FORM_strp)
7338 const uint8_t *fixed_form_sizes = DWARFFormValue::GetFixedFormSizesForAddressSize (dwarf_cu->GetAddressByteSize());
7339 uint32_t data_offset = attributes.DIEOffsetAtIndex(i);
7340 uint32_t data_length = fixed_form_sizes[form_value.Form()];
7341 location.CopyOpcodeData(module, debug_info_data, data_offset, data_length);
7345 const char *str = form_value.AsCString(&debug_info_data);
7346 uint32_t string_offset = str - (const char *)debug_info_data.GetDataStart();
7347 uint32_t string_length = strlen(str) + 1;
7348 location.CopyOpcodeData(module, debug_info_data, string_offset, string_length);
7353 case DW_AT_location:
7355 location_is_const_value_data = false;
7356 has_explicit_location = true;
7357 if (form_value.BlockData())
7359 const DWARFDataExtractor& debug_info_data = get_debug_info_data();
7361 uint32_t block_offset = form_value.BlockData() - debug_info_data.GetDataStart();
7362 uint32_t block_length = form_value.Unsigned();
7363 location.CopyOpcodeData(module, get_debug_info_data(), block_offset, block_length);
7367 const DWARFDataExtractor& debug_loc_data = get_debug_loc_data();
7368 const dw_offset_t debug_loc_offset = form_value.Unsigned();
7370 size_t loc_list_length = DWARFLocationList::Size(debug_loc_data, debug_loc_offset);
7371 if (loc_list_length > 0)
7373 location.CopyOpcodeData(module, debug_loc_data, debug_loc_offset, loc_list_length);
7374 assert (func_low_pc != LLDB_INVALID_ADDRESS);
7375 location.SetLocationListSlide (func_low_pc - dwarf_cu->GetBaseAddress());
7381 case DW_AT_artificial: is_artificial = form_value.Boolean(); break;
7382 case DW_AT_accessibility: break; //accessibility = DW_ACCESS_to_AccessType(form_value.Unsigned()); break;
7383 case DW_AT_declaration:
7384 case DW_AT_description:
7385 case DW_AT_endianity:
7387 case DW_AT_start_scope:
7388 case DW_AT_visibility:
7390 case DW_AT_abstract_origin:
7392 case DW_AT_specification:
7398 ValueType scope = eValueTypeInvalid;
7400 const DWARFDebugInfoEntry *sc_parent_die = GetParentSymbolContextDIE(die);
7401 dw_tag_t parent_tag = sc_parent_die ? sc_parent_die->Tag() : 0;
7402 SymbolContextScope * symbol_context_scope = NULL;
7404 // DWARF doesn't specify if a DW_TAG_variable is a local, global
7405 // or static variable, so we have to do a little digging by
7406 // looking at the location of a varaible to see if it contains
7407 // a DW_OP_addr opcode _somewhere_ in the definition. I say
7408 // somewhere because clang likes to combine small global variables
7409 // into the same symbol and have locations like:
7410 // DW_OP_addr(0x1000), DW_OP_constu(2), DW_OP_plus
7411 // So if we don't have a DW_TAG_formal_parameter, we can look at
7412 // the location to see if it contains a DW_OP_addr opcode, and
7413 // then we can correctly classify our variables.
7414 if (tag == DW_TAG_formal_parameter)
7415 scope = eValueTypeVariableArgument;
7418 bool op_error = false;
7419 // Check if the location has a DW_OP_addr with any address value...
7420 lldb::addr_t location_DW_OP_addr = LLDB_INVALID_ADDRESS;
7421 if (!location_is_const_value_data)
7423 location_DW_OP_addr = location.GetLocation_DW_OP_addr (0, op_error);
7427 location.DumpLocationForAddress (&strm, eDescriptionLevelFull, 0, 0, NULL);
7428 GetObjectFile()->GetModule()->ReportError ("0x%8.8x: %s has an invalid location: %s", die->GetOffset(), DW_TAG_value_to_name(die->Tag()), strm.GetString().c_str());
7432 if (location_DW_OP_addr != LLDB_INVALID_ADDRESS)
7435 scope = eValueTypeVariableGlobal;
7437 scope = eValueTypeVariableStatic;
7440 SymbolFileDWARFDebugMap *debug_map_symfile = GetDebugMapSymfile ();
7442 if (debug_map_symfile)
7444 // When leaving the DWARF in the .o files on darwin,
7445 // when we have a global variable that wasn't initialized,
7446 // the .o file might not have allocated a virtual
7447 // address for the global variable. In this case it will
7448 // have created a symbol for the global variable
7449 // that is undefined/data and external and the value will
7450 // be the byte size of the variable. When we do the
7451 // address map in SymbolFileDWARFDebugMap we rely on
7452 // having an address, we need to do some magic here
7453 // so we can get the correct address for our global
7454 // variable. The address for all of these entries
7455 // will be zero, and there will be an undefined symbol
7456 // in this object file, and the executable will have
7457 // a matching symbol with a good address. So here we
7458 // dig up the correct address and replace it in the
7459 // location for the variable, and set the variable's
7460 // symbol context scope to be that of the main executable
7461 // so the file address will resolve correctly.
7462 bool linked_oso_file_addr = false;
7463 if (is_external && location_DW_OP_addr == 0)
7465 // we have a possible uninitialized extern global
7466 ConstString const_name(mangled ? mangled : name);
7467 ObjectFile *debug_map_objfile = debug_map_symfile->GetObjectFile();
7468 if (debug_map_objfile)
7470 Symtab *debug_map_symtab = debug_map_objfile->GetSymtab();
7471 if (debug_map_symtab)
7473 Symbol *exe_symbol = debug_map_symtab->FindFirstSymbolWithNameAndType (const_name,
7476 Symtab::eVisibilityExtern);
7479 if (exe_symbol->ValueIsAddress())
7481 const addr_t exe_file_addr = exe_symbol->GetAddress().GetFileAddress();
7482 if (exe_file_addr != LLDB_INVALID_ADDRESS)
7484 if (location.Update_DW_OP_addr (exe_file_addr))
7486 linked_oso_file_addr = true;
7487 symbol_context_scope = exe_symbol;
7496 if (!linked_oso_file_addr)
7498 // The DW_OP_addr is not zero, but it contains a .o file address which
7499 // needs to be linked up correctly.
7500 const lldb::addr_t exe_file_addr = debug_map_symfile->LinkOSOFileAddress(this, location_DW_OP_addr);
7501 if (exe_file_addr != LLDB_INVALID_ADDRESS)
7503 // Update the file address for this variable
7504 location.Update_DW_OP_addr (exe_file_addr);
7508 // Variable didn't make it into the final executable
7516 scope = eValueTypeVariableLocal;
7520 if (symbol_context_scope == NULL)
7524 case DW_TAG_subprogram:
7525 case DW_TAG_inlined_subroutine:
7526 case DW_TAG_lexical_block:
7529 symbol_context_scope = sc.function->GetBlock(true).FindBlockByID(MakeUserID(sc_parent_die->GetOffset()));
7530 if (symbol_context_scope == NULL)
7531 symbol_context_scope = sc.function;
7536 symbol_context_scope = sc.comp_unit;
7541 if (symbol_context_scope)
7543 var_sp.reset (new Variable (MakeUserID(die->GetOffset()),
7546 SymbolFileTypeSP (new SymbolFileType(*this, type_uid)),
7548 symbol_context_scope,
7554 var_sp->SetLocationIsConstantValueData (location_is_const_value_data);
7558 // Not ready to parse this variable yet. It might be a global
7559 // or static variable that is in a function scope and the function
7560 // in the symbol context wasn't filled in yet
7564 // Cache var_sp even if NULL (the variable was just a specification or
7565 // was missing vital information to be able to be displayed in the debugger
7566 // (missing location due to optimization, etc)) so we don't re-parse
7567 // this DIE over and over later...
7568 m_die_to_variable_sp[die] = var_sp;
7574 const DWARFDebugInfoEntry *
7575 SymbolFileDWARF::FindBlockContainingSpecification (dw_offset_t func_die_offset,
7576 dw_offset_t spec_block_die_offset,
7577 DWARFCompileUnit **result_die_cu_handle)
7579 // Give the concrete function die specified by "func_die_offset", find the
7580 // concrete block whose DW_AT_specification or DW_AT_abstract_origin points
7581 // to "spec_block_die_offset"
7582 DWARFDebugInfo* info = DebugInfo();
7584 const DWARFDebugInfoEntry *die = info->GetDIEPtrWithCompileUnitHint(func_die_offset, result_die_cu_handle);
7587 assert (*result_die_cu_handle);
7588 return FindBlockContainingSpecification (*result_die_cu_handle, die, spec_block_die_offset, result_die_cu_handle);
7594 const DWARFDebugInfoEntry *
7595 SymbolFileDWARF::FindBlockContainingSpecification(DWARFCompileUnit* dwarf_cu,
7596 const DWARFDebugInfoEntry *die,
7597 dw_offset_t spec_block_die_offset,
7598 DWARFCompileUnit **result_die_cu_handle)
7604 case DW_TAG_subprogram:
7605 case DW_TAG_inlined_subroutine:
7606 case DW_TAG_lexical_block:
7608 if (die->GetAttributeValueAsReference (this, dwarf_cu, DW_AT_specification, DW_INVALID_OFFSET) == spec_block_die_offset)
7610 *result_die_cu_handle = dwarf_cu;
7614 if (die->GetAttributeValueAsReference (this, dwarf_cu, DW_AT_abstract_origin, DW_INVALID_OFFSET) == spec_block_die_offset)
7616 *result_die_cu_handle = dwarf_cu;
7623 // Give the concrete function die specified by "func_die_offset", find the
7624 // concrete block whose DW_AT_specification or DW_AT_abstract_origin points
7625 // to "spec_block_die_offset"
7626 for (const DWARFDebugInfoEntry *child_die = die->GetFirstChild(); child_die != NULL; child_die = child_die->GetSibling())
7628 const DWARFDebugInfoEntry *result_die = FindBlockContainingSpecification (dwarf_cu,
7630 spec_block_die_offset,
7631 result_die_cu_handle);
7637 *result_die_cu_handle = NULL;
7642 SymbolFileDWARF::ParseVariables
7644 const SymbolContext& sc,
7645 DWARFCompileUnit* dwarf_cu,
7646 const lldb::addr_t func_low_pc,
7647 const DWARFDebugInfoEntry *orig_die,
7648 bool parse_siblings,
7649 bool parse_children,
7650 VariableList* cc_variable_list
7653 if (orig_die == NULL)
7656 VariableListSP variable_list_sp;
7658 size_t vars_added = 0;
7659 const DWARFDebugInfoEntry *die = orig_die;
7662 dw_tag_t tag = die->Tag();
7664 // Check to see if we have already parsed this variable or constant?
7665 if (m_die_to_variable_sp[die])
7667 if (cc_variable_list)
7668 cc_variable_list->AddVariableIfUnique (m_die_to_variable_sp[die]);
7672 // We haven't already parsed it, lets do that now.
7673 if ((tag == DW_TAG_variable) ||
7674 (tag == DW_TAG_constant) ||
7675 (tag == DW_TAG_formal_parameter && sc.function))
7677 if (variable_list_sp.get() == NULL)
7679 const DWARFDebugInfoEntry *sc_parent_die = GetParentSymbolContextDIE(orig_die);
7680 dw_tag_t parent_tag = sc_parent_die ? sc_parent_die->Tag() : 0;
7683 case DW_TAG_compile_unit:
7684 if (sc.comp_unit != NULL)
7686 variable_list_sp = sc.comp_unit->GetVariableList(false);
7687 if (variable_list_sp.get() == NULL)
7689 variable_list_sp.reset(new VariableList());
7690 sc.comp_unit->SetVariableList(variable_list_sp);
7695 GetObjectFile()->GetModule()->ReportError ("parent 0x%8.8" PRIx64 " %s with no valid compile unit in symbol context for 0x%8.8" PRIx64 " %s.\n",
7696 MakeUserID(sc_parent_die->GetOffset()),
7697 DW_TAG_value_to_name (parent_tag),
7698 MakeUserID(orig_die->GetOffset()),
7699 DW_TAG_value_to_name (orig_die->Tag()));
7703 case DW_TAG_subprogram:
7704 case DW_TAG_inlined_subroutine:
7705 case DW_TAG_lexical_block:
7706 if (sc.function != NULL)
7708 // Check to see if we already have parsed the variables for the given scope
7710 Block *block = sc.function->GetBlock(true).FindBlockByID(MakeUserID(sc_parent_die->GetOffset()));
7713 // This must be a specification or abstract origin with
7714 // a concrete block couterpart in the current function. We need
7715 // to find the concrete block so we can correctly add the
7717 DWARFCompileUnit *concrete_block_die_cu = dwarf_cu;
7718 const DWARFDebugInfoEntry *concrete_block_die = FindBlockContainingSpecification (sc.function->GetID(),
7719 sc_parent_die->GetOffset(),
7720 &concrete_block_die_cu);
7721 if (concrete_block_die)
7722 block = sc.function->GetBlock(true).FindBlockByID(MakeUserID(concrete_block_die->GetOffset()));
7727 const bool can_create = false;
7728 variable_list_sp = block->GetBlockVariableList (can_create);
7729 if (variable_list_sp.get() == NULL)
7731 variable_list_sp.reset(new VariableList());
7732 block->SetVariableList(variable_list_sp);
7739 GetObjectFile()->GetModule()->ReportError ("didn't find appropriate parent DIE for variable list for 0x%8.8" PRIx64 " %s.\n",
7740 MakeUserID(orig_die->GetOffset()),
7741 DW_TAG_value_to_name (orig_die->Tag()));
7746 if (variable_list_sp)
7748 VariableSP var_sp (ParseVariableDIE(sc, dwarf_cu, die, func_low_pc));
7751 variable_list_sp->AddVariableIfUnique (var_sp);
7752 if (cc_variable_list)
7753 cc_variable_list->AddVariableIfUnique (var_sp);
7760 bool skip_children = (sc.function == NULL && tag == DW_TAG_subprogram);
7762 if (!skip_children && parse_children && die->HasChildren())
7764 vars_added += ParseVariables(sc, dwarf_cu, func_low_pc, die->GetFirstChild(), true, true, cc_variable_list);
7768 die = die->GetSibling();
7775 //------------------------------------------------------------------
7776 // PluginInterface protocol
7777 //------------------------------------------------------------------
7779 SymbolFileDWARF::GetPluginName()
7781 return GetPluginNameStatic();
7785 SymbolFileDWARF::GetPluginVersion()
7791 SymbolFileDWARF::CompleteTagDecl (void *baton, clang::TagDecl *decl)
7793 SymbolFileDWARF *symbol_file_dwarf = (SymbolFileDWARF *)baton;
7794 ClangASTType clang_type = symbol_file_dwarf->GetClangASTContext().GetTypeForDecl (decl);
7796 symbol_file_dwarf->ResolveClangOpaqueTypeDefinition (clang_type);
7800 SymbolFileDWARF::CompleteObjCInterfaceDecl (void *baton, clang::ObjCInterfaceDecl *decl)
7802 SymbolFileDWARF *symbol_file_dwarf = (SymbolFileDWARF *)baton;
7803 ClangASTType clang_type = symbol_file_dwarf->GetClangASTContext().GetTypeForDecl (decl);
7805 symbol_file_dwarf->ResolveClangOpaqueTypeDefinition (clang_type);
7809 SymbolFileDWARF::DumpIndexes ()
7811 StreamFile s(stdout, false);
7813 s.Printf ("DWARF index for (%s) '%s':",
7814 GetObjectFile()->GetModule()->GetArchitecture().GetArchitectureName(),
7815 GetObjectFile()->GetFileSpec().GetPath().c_str());
7816 s.Printf("\nFunction basenames:\n"); m_function_basename_index.Dump (&s);
7817 s.Printf("\nFunction fullnames:\n"); m_function_fullname_index.Dump (&s);
7818 s.Printf("\nFunction methods:\n"); m_function_method_index.Dump (&s);
7819 s.Printf("\nFunction selectors:\n"); m_function_selector_index.Dump (&s);
7820 s.Printf("\nObjective C class selectors:\n"); m_objc_class_selectors_index.Dump (&s);
7821 s.Printf("\nGlobals and statics:\n"); m_global_index.Dump (&s);
7822 s.Printf("\nTypes:\n"); m_type_index.Dump (&s);
7823 s.Printf("\nNamepaces:\n"); m_namespace_index.Dump (&s);
7827 SymbolFileDWARF::SearchDeclContext (const clang::DeclContext *decl_context,
7829 llvm::SmallVectorImpl <clang::NamedDecl *> *results)
7831 DeclContextToDIEMap::iterator iter = m_decl_ctx_to_die.find(decl_context);
7833 if (iter == m_decl_ctx_to_die.end())
7836 for (DIEPointerSet::iterator pos = iter->second.begin(), end = iter->second.end(); pos != end; ++pos)
7838 const DWARFDebugInfoEntry *context_die = *pos;
7843 DWARFDebugInfo* info = DebugInfo();
7845 DIEArray die_offsets;
7847 DWARFCompileUnit* dwarf_cu = NULL;
7848 const DWARFDebugInfoEntry* die = NULL;
7850 if (m_using_apple_tables)
7852 if (m_apple_types_ap.get())
7853 m_apple_types_ap->FindByName (name, die_offsets);
7860 m_type_index.Find (ConstString(name), die_offsets);
7863 const size_t num_matches = die_offsets.size();
7867 for (size_t i = 0; i < num_matches; ++i)
7869 const dw_offset_t die_offset = die_offsets[i];
7870 die = info->GetDIEPtrWithCompileUnitHint (die_offset, &dwarf_cu);
7872 if (die->GetParent() != context_die)
7875 Type *matching_type = ResolveType (dwarf_cu, die);
7877 clang::QualType qual_type = matching_type->GetClangForwardType().GetQualType();
7879 if (const clang::TagType *tag_type = llvm::dyn_cast<clang::TagType>(qual_type.getTypePtr()))
7881 clang::TagDecl *tag_decl = tag_type->getDecl();
7882 results->push_back(tag_decl);
7884 else if (const clang::TypedefType *typedef_type = llvm::dyn_cast<clang::TypedefType>(qual_type.getTypePtr()))
7886 clang::TypedefNameDecl *typedef_decl = typedef_type->getDecl();
7887 results->push_back(typedef_decl);
7895 SymbolFileDWARF::FindExternalVisibleDeclsByName (void *baton,
7896 const clang::DeclContext *decl_context,
7897 clang::DeclarationName decl_name,
7898 llvm::SmallVectorImpl <clang::NamedDecl *> *results)
7901 switch (decl_context->getDeclKind())
7903 case clang::Decl::Namespace:
7904 case clang::Decl::TranslationUnit:
7906 SymbolFileDWARF *symbol_file_dwarf = (SymbolFileDWARF *)baton;
7907 symbol_file_dwarf->SearchDeclContext (decl_context, decl_name.getAsString().c_str(), results);
7916 SymbolFileDWARF::LayoutRecordType (void *baton,
7917 const clang::RecordDecl *record_decl,
7919 uint64_t &alignment,
7920 llvm::DenseMap <const clang::FieldDecl *, uint64_t> &field_offsets,
7921 llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &base_offsets,
7922 llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &vbase_offsets)
7924 SymbolFileDWARF *symbol_file_dwarf = (SymbolFileDWARF *)baton;
7925 return symbol_file_dwarf->LayoutRecordType (record_decl, size, alignment, field_offsets, base_offsets, vbase_offsets);
7930 SymbolFileDWARF::LayoutRecordType (const clang::RecordDecl *record_decl,
7932 uint64_t &alignment,
7933 llvm::DenseMap <const clang::FieldDecl *, uint64_t> &field_offsets,
7934 llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &base_offsets,
7935 llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &vbase_offsets)
7937 Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO));
7938 RecordDeclToLayoutMap::iterator pos = m_record_decl_to_layout_map.find (record_decl);
7939 bool success = false;
7940 base_offsets.clear();
7941 vbase_offsets.clear();
7942 if (pos != m_record_decl_to_layout_map.end())
7944 bit_size = pos->second.bit_size;
7945 alignment = pos->second.alignment;
7946 field_offsets.swap(pos->second.field_offsets);
7947 base_offsets.swap (pos->second.base_offsets);
7948 vbase_offsets.swap (pos->second.vbase_offsets);
7949 m_record_decl_to_layout_map.erase(pos);
7956 field_offsets.clear();
7960 GetObjectFile()->GetModule()->LogMessage (log,
7961 "SymbolFileDWARF::LayoutRecordType (record_decl = %p, bit_size = %" PRIu64 ", alignment = %" PRIu64 ", field_offsets[%u],base_offsets[%u], vbase_offsets[%u]) success = %i",
7965 (uint32_t)field_offsets.size(),
7966 (uint32_t)base_offsets.size(),
7967 (uint32_t)vbase_offsets.size(),
7973 SymbolFileDWARFDebugMap *
7974 SymbolFileDWARF::GetDebugMapSymfile ()
7976 if (m_debug_map_symfile == NULL && !m_debug_map_module_wp.expired())
7978 lldb::ModuleSP module_sp (m_debug_map_module_wp.lock());
7981 SymbolVendor *sym_vendor = module_sp->GetSymbolVendor();
7983 m_debug_map_symfile = (SymbolFileDWARFDebugMap *)sym_vendor->GetSymbolFile();
7986 return m_debug_map_symfile;