contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h

   1 //===-- SymbolFileDWARF.h --------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef SymbolFileDWARF_SymbolFileDWARF_h_
  11 #define SymbolFileDWARF_SymbolFileDWARF_h_
  12
  13 // C Includes
  14 // C++ Includes
  15 #include <list>
  16 #include <map>
  17 #include <set>
  18 #include <vector>
  19
  20 // Other libraries and framework includes
  21 #include "clang/AST/CharUnits.h"
  22 #include "clang/AST/ExternalASTSource.h"
  23 #include "llvm/ADT/DenseMap.h"
  24 #include "llvm/ADT/SmallPtrSet.h"
  25 #include "llvm/ADT/SmallVector.h"
  26
  27 #include "lldb/lldb-private.h"
  28 #include "lldb/Core/ClangForward.h"
  29 #include "lldb/Core/ConstString.h"
  30 #include "lldb/Core/dwarf.h"
  31 #include "lldb/Core/DataExtractor.h"
  32 #include "lldb/Core/Flags.h"
  33 #include "lldb/Core/UniqueCStringMap.h"
  34 #include "lldb/Symbol/ClangASTContext.h"
  35 #include "lldb/Symbol/SymbolFile.h"
  36 #include "lldb/Symbol/SymbolContext.h"
  37
  38 // Project includes
  39 #include "DWARFDefines.h"
  40 #include "HashedNameToDIE.h"
  41 #include "NameToDIE.h"
  42 #include "UniqueDWARFASTType.h"
  43
  44 //----------------------------------------------------------------------
  45 // Forward Declarations for this DWARF plugin
  46 //----------------------------------------------------------------------
  47 class DebugMapModule;
  48 class DWARFAbbreviationDeclaration;
  49 class DWARFAbbreviationDeclarationSet;
  50 class DWARFileUnit;
  51 class DWARFDebugAbbrev;
  52 class DWARFDebugAranges;
  53 class DWARFDebugInfo;
  54 class DWARFDebugInfoEntry;
  55 class DWARFDebugLine;
  56 class DWARFDebugPubnames;
  57 class DWARFDebugRanges;
  58 class DWARFDeclContext;
  59 class DWARFDIECollection;
  60 class DWARFFormValue;
  61 class SymbolFileDWARFDebugMap;
  62
  63 class SymbolFileDWARF : public lldb_private::SymbolFile, public lldb_private::UserID
  64 {
  65 public:
  66     friend class SymbolFileDWARFDebugMap;
  67     friend class DebugMapModule;
  68     friend class DWARFCompileUnit;
  69     //------------------------------------------------------------------
  70     // Static Functions
  71     //------------------------------------------------------------------
  72     static void
  73     Initialize();
  74
  75     static void
  76     Terminate();
  77
  78     static lldb_private::ConstString
  79     GetPluginNameStatic();
  80
  81     static const char *
  82     GetPluginDescriptionStatic();
  83
  84     static lldb_private::SymbolFile*
  85     CreateInstance (lldb_private::ObjectFile* obj_file);
  86     //------------------------------------------------------------------
  87     // Constructors and Destructors
  88     //------------------------------------------------------------------
  89                             SymbolFileDWARF(lldb_private::ObjectFile* ofile);
  90     virtual                 ~SymbolFileDWARF();
  91
  92     virtual uint32_t        CalculateAbilities ();
  93     virtual void            InitializeObject();
  94
  95     //------------------------------------------------------------------
  96     // Compile Unit function calls
  97     //------------------------------------------------------------------
  98     virtual uint32_t        GetNumCompileUnits();
  99     virtual lldb::CompUnitSP ParseCompileUnitAtIndex(uint32_t index);
 100
 101     virtual lldb::LanguageType ParseCompileUnitLanguage (const lldb_private::SymbolContext& sc);
 102     virtual size_t          ParseCompileUnitFunctions (const lldb_private::SymbolContext& sc);
 103     virtual bool            ParseCompileUnitLineTable (const lldb_private::SymbolContext& sc);
 104     virtual bool            ParseCompileUnitSupportFiles (const lldb_private::SymbolContext& sc, lldb_private::FileSpecList& support_files);
 105     virtual size_t          ParseFunctionBlocks (const lldb_private::SymbolContext& sc);
 106     virtual size_t          ParseTypes (const lldb_private::SymbolContext& sc);
 107     virtual size_t          ParseVariablesForContext (const lldb_private::SymbolContext& sc);
 108
 109     virtual lldb_private::Type* ResolveTypeUID(lldb::user_id_t type_uid);
 110     virtual bool            ResolveClangOpaqueTypeDefinition (lldb_private::ClangASTType& clang_type);
 111
 112     virtual lldb_private::Type* ResolveType (DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry* type_die, bool assert_not_being_parsed = true);
 113     virtual clang::DeclContext* GetClangDeclContextContainingTypeUID (lldb::user_id_t type_uid);
 114     virtual clang::DeclContext* GetClangDeclContextForTypeUID (const lldb_private::SymbolContext &sc, lldb::user_id_t type_uid);
 115
 116     virtual uint32_t        ResolveSymbolContext (const lldb_private::Address& so_addr, uint32_t resolve_scope, lldb_private::SymbolContext& sc);
 117     virtual uint32_t        ResolveSymbolContext (const lldb_private::FileSpec& file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, lldb_private::SymbolContextList& sc_list);
 118     virtual uint32_t        FindGlobalVariables(const lldb_private::ConstString &name, const lldb_private::ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, lldb_private::VariableList& variables);
 119     virtual uint32_t        FindGlobalVariables(const lldb_private::RegularExpression& regex, bool append, uint32_t max_matches, lldb_private::VariableList& variables);
 120     virtual uint32_t        FindFunctions(const lldb_private::ConstString &name, const lldb_private::ClangNamespaceDecl *namespace_decl, uint32_t name_type_mask, bool include_inlines, bool append, lldb_private::SymbolContextList& sc_list);
 121     virtual uint32_t        FindFunctions(const lldb_private::RegularExpression& regex, bool include_inlines, bool append, lldb_private::SymbolContextList& sc_list);
 122     virtual uint32_t        FindTypes (const lldb_private::SymbolContext& sc, const lldb_private::ConstString &name, const lldb_private::ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, lldb_private::TypeList& types);
 123     virtual lldb_private::TypeList *
 124                             GetTypeList ();
 125     virtual size_t          GetTypes (lldb_private::SymbolContextScope *sc_scope,
 126                                       uint32_t type_mask,
 127                                       lldb_private::TypeList &type_list);
 128
 129     virtual lldb_private::ClangASTContext &
 130                             GetClangASTContext ();
 131
 132     virtual lldb_private::ClangNamespaceDecl
 133             FindNamespace (const lldb_private::SymbolContext& sc,
 134                            const lldb_private::ConstString &name,
 135                            const lldb_private::ClangNamespaceDecl *parent_namespace_decl);
 136
 137
 138     //------------------------------------------------------------------
 139     // ClangASTContext callbacks for external source lookups.
 140     //------------------------------------------------------------------
 141     static void
 142     CompleteTagDecl (void *baton, clang::TagDecl *);
 143
 144     static void
 145     CompleteObjCInterfaceDecl (void *baton, clang::ObjCInterfaceDecl *);
 146
 147     static void
 148     FindExternalVisibleDeclsByName (void *baton,
 149                                     const clang::DeclContext *DC,
 150                                     clang::DeclarationName Name,
 151                                     llvm::SmallVectorImpl <clang::NamedDecl *> *results);
 152
 153     static bool
 154     LayoutRecordType (void *baton,
 155                       const clang::RecordDecl *record_decl,
 156                       uint64_t &size,
 157                       uint64_t &alignment,
 158                       llvm::DenseMap <const clang::FieldDecl *, uint64_t> &field_offsets,
 159                       llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &base_offsets,
 160                       llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &vbase_offsets);
 161
 162     bool
 163     LayoutRecordType (const clang::RecordDecl *record_decl,
 164                       uint64_t &size,
 165                       uint64_t &alignment,
 166                       llvm::DenseMap <const clang::FieldDecl *, uint64_t> &field_offsets,
 167                       llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &base_offsets,
 168                       llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> &vbase_offsets);
 169
 170     struct LayoutInfo
 171     {
 172         LayoutInfo () :
 173             bit_size(0),
 174             alignment(0),
 175             field_offsets(),
 176             base_offsets(),
 177             vbase_offsets()
 178         {
 179         }
 180         uint64_t bit_size;
 181         uint64_t alignment;
 182         llvm::DenseMap <const clang::FieldDecl *, uint64_t> field_offsets;
 183         llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> base_offsets;
 184         llvm::DenseMap <const clang::CXXRecordDecl *, clang::CharUnits> vbase_offsets;
 185     };
 186     //------------------------------------------------------------------
 187     // PluginInterface protocol
 188     //------------------------------------------------------------------
 189     virtual lldb_private::ConstString
 190     GetPluginName();
 191
 192     virtual uint32_t
 193     GetPluginVersion();
 194
 195     // Approach 2 - count + accessor
 196     // Index compile units would scan the initial compile units and register
 197     // them with the module. This would only be done on demand if and only if
 198     // the compile units were needed.
 199     //virtual size_t        GetCompUnitCount() = 0;
 200     //virtual CompUnitSP    GetCompUnitAtIndex(size_t cu_idx) = 0;
 201
 202     const lldb_private::DataExtractor&      get_debug_abbrev_data ();
 203     const lldb_private::DataExtractor&      get_debug_aranges_data ();
 204     const lldb_private::DataExtractor&      get_debug_frame_data ();
 205     const lldb_private::DataExtractor&      get_debug_info_data ();
 206     const lldb_private::DataExtractor&      get_debug_line_data ();
 207     const lldb_private::DataExtractor&      get_debug_loc_data ();
 208     const lldb_private::DataExtractor&      get_debug_ranges_data ();
 209     const lldb_private::DataExtractor&      get_debug_str_data ();
 210     const lldb_private::DataExtractor&      get_apple_names_data ();
 211     const lldb_private::DataExtractor&      get_apple_types_data ();
 212     const lldb_private::DataExtractor&      get_apple_namespaces_data ();
 213     const lldb_private::DataExtractor&      get_apple_objc_data ();
 214
 215
 216     DWARFDebugAbbrev*       DebugAbbrev();
 217     const DWARFDebugAbbrev* DebugAbbrev() const;
 218
 219     DWARFDebugInfo*         DebugInfo();
 220     const DWARFDebugInfo*   DebugInfo() const;
 221
 222     DWARFDebugRanges*       DebugRanges();
 223     const DWARFDebugRanges* DebugRanges() const;
 224
 225     const lldb_private::DataExtractor&
 226     GetCachedSectionData (uint32_t got_flag,
 227                           lldb::SectionType sect_type,
 228                           lldb_private::DataExtractor &data);
 229
 230     static bool
 231     SupportedVersion(uint16_t version);
 232
 233     clang::DeclContext *
 234     GetCachedClangDeclContextForDIE (const DWARFDebugInfoEntry *die)
 235     {
 236         DIEToDeclContextMap::iterator pos = m_die_to_decl_ctx.find(die);
 237         if (pos != m_die_to_decl_ctx.end())
 238             return pos->second;
 239         else
 240             return NULL;
 241     }
 242
 243     clang::DeclContext *
 244     GetClangDeclContextForDIE (const lldb_private::SymbolContext &sc, DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die);
 245
 246     clang::DeclContext *
 247     GetClangDeclContextForDIEOffset (const lldb_private::SymbolContext &sc, dw_offset_t die_offset);
 248
 249     clang::DeclContext *
 250     GetClangDeclContextContainingDIE (DWARFCompileUnit *cu,
 251                                       const DWARFDebugInfoEntry *die,
 252                                       const DWARFDebugInfoEntry **decl_ctx_die);
 253
 254     clang::DeclContext *
 255     GetClangDeclContextContainingDIEOffset (dw_offset_t die_offset);
 256
 257     const DWARFDebugInfoEntry *
 258     GetDeclContextDIEContainingDIE (DWARFCompileUnit *cu, const DWARFDebugInfoEntry *die);
 259
 260     void
 261     SearchDeclContext (const clang::DeclContext *decl_context,
 262                        const char *name,
 263                        llvm::SmallVectorImpl <clang::NamedDecl *> *results);
 264
 265     lldb_private::Flags&
 266     GetFlags ()
 267     {
 268         return m_flags;
 269     }
 270
 271     const lldb_private::Flags&
 272     GetFlags () const
 273     {
 274         return m_flags;
 275     }
 276
 277     bool
 278     HasForwardDeclForClangType (const lldb_private::ClangASTType &clang_type);
 279
 280 protected:
 281
 282     enum
 283     {
 284         flagsGotDebugAbbrevData     = (1 << 0),
 285         flagsGotDebugArangesData    = (1 << 1),
 286         flagsGotDebugFrameData      = (1 << 2),
 287         flagsGotDebugInfoData       = (1 << 3),
 288         flagsGotDebugLineData       = (1 << 4),
 289         flagsGotDebugLocData        = (1 << 5),
 290         flagsGotDebugMacInfoData    = (1 << 6),
 291         flagsGotDebugPubNamesData   = (1 << 7),
 292         flagsGotDebugPubTypesData   = (1 << 8),
 293         flagsGotDebugRangesData     = (1 << 9),
 294         flagsGotDebugStrData        = (1 << 10),
 295         flagsGotAppleNamesData      = (1 << 11),
 296         flagsGotAppleTypesData      = (1 << 12),
 297         flagsGotAppleNamespacesData = (1 << 13),
 298         flagsGotAppleObjCData       = (1 << 14)
 299     };
 300
 301     bool                    NamespaceDeclMatchesThisSymbolFile (const lldb_private::ClangNamespaceDecl *namespace_decl);
 302
 303     bool                    DIEIsInNamespace (const lldb_private::ClangNamespaceDecl *namespace_decl,
 304                                               DWARFCompileUnit* dwarf_cu,
 305                                               const DWARFDebugInfoEntry* die);
 306
 307     DISALLOW_COPY_AND_ASSIGN (SymbolFileDWARF);
 308     lldb::CompUnitSP        ParseCompileUnit (DWARFCompileUnit* dwarf_cu, uint32_t cu_idx);
 309     DWARFCompileUnit*       GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit);
 310     DWARFCompileUnit*       GetNextUnparsedDWARFCompileUnit(DWARFCompileUnit* prev_cu);
 311     lldb_private::CompileUnit*      GetCompUnitForDWARFCompUnit(DWARFCompileUnit* dwarf_cu, uint32_t cu_idx = UINT32_MAX);
 312     bool                    GetFunction (DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry* func_die, lldb_private::SymbolContext& sc);
 313     lldb_private::Function *        ParseCompileUnitFunction (const lldb_private::SymbolContext& sc, DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry *die);
 314     size_t                  ParseFunctionBlocks (const lldb_private::SymbolContext& sc,
 315                                                  lldb_private::Block *parent_block,
 316                                                  DWARFCompileUnit* dwarf_cu,
 317                                                  const DWARFDebugInfoEntry *die,
 318                                                  lldb::addr_t subprogram_low_pc,
 319                                                  uint32_t depth);
 320     size_t                  ParseTypes (const lldb_private::SymbolContext& sc, DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry *die, bool parse_siblings, bool parse_children);
 321     lldb::TypeSP            ParseType (const lldb_private::SymbolContext& sc, DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry *die, bool *type_is_new);
 322     lldb_private::Type*     ResolveTypeUID (DWARFCompileUnit* dwarf_cu, const DWARFDebugInfoEntry* die, bool assert_not_being_parsed);
 323
 324     lldb::VariableSP        ParseVariableDIE(
 325                                 const lldb_private::SymbolContext& sc,
 326                                 DWARFCompileUnit* dwarf_cu,
 327                                 const DWARFDebugInfoEntry *die,
 328                                 const lldb::addr_t func_low_pc);
 329
 330     size_t                  ParseVariables(
 331                                 const lldb_private::SymbolContext& sc,
 332                                 DWARFCompileUnit* dwarf_cu,
 333                                 const lldb::addr_t func_low_pc,
 334                                 const DWARFDebugInfoEntry *die,
 335                                 bool parse_siblings,
 336                                 bool parse_children,
 337                                 lldb_private::VariableList* cc_variable_list = NULL);
 338
 339     class DelayedAddObjCClassProperty;
 340     typedef std::vector <DelayedAddObjCClassProperty> DelayedPropertyList;
 341
 342     bool                    ClassOrStructIsVirtual (
 343                                 DWARFCompileUnit* dwarf_cu,
 344                                 const DWARFDebugInfoEntry *parent_die);
 345
 346     size_t                  ParseChildMembers(
 347                                 const lldb_private::SymbolContext& sc,
 348                                 DWARFCompileUnit* dwarf_cu,
 349                                 const DWARFDebugInfoEntry *die,
 350                                 lldb_private::ClangASTType &class_clang_type,
 351                                 const lldb::LanguageType class_language,
 352                                 std::vector<clang::CXXBaseSpecifier *>& base_classes,
 353                                 std::vector<int>& member_accessibilities,
 354                                 DWARFDIECollection& member_function_dies,
 355                                 DelayedPropertyList& delayed_properties,
 356                                 lldb::AccessType &default_accessibility,
 357                                 bool &is_a_class,
 358                                 LayoutInfo &layout_info);
 359
 360     size_t                  ParseChildParameters(
 361                                 const lldb_private::SymbolContext& sc,
 362                                 clang::DeclContext *containing_decl_ctx,
 363                                 DWARFCompileUnit* dwarf_cu,
 364                                 const DWARFDebugInfoEntry *parent_die,
 365                                 bool skip_artificial,
 366                                 bool &is_static,
 367                                 lldb_private::TypeList* type_list,
 368                                 std::vector<lldb_private::ClangASTType>& function_args,
 369                                 std::vector<clang::ParmVarDecl*>& function_param_decls,
 370                                 unsigned &type_quals,
 371                                 lldb_private::ClangASTContext::TemplateParameterInfos &template_param_infos);
 372
 373     size_t                  ParseChildEnumerators(
 374                                 const lldb_private::SymbolContext& sc,
 375                                 lldb_private::ClangASTType &clang_type,
 376                                 bool is_signed,
 377                                 uint32_t enumerator_byte_size,
 378                                 DWARFCompileUnit* dwarf_cu,
 379                                 const DWARFDebugInfoEntry *enum_die);
 380
 381     void                    ParseChildArrayInfo(
 382                                 const lldb_private::SymbolContext& sc,
 383                                 DWARFCompileUnit* dwarf_cu,
 384                                 const DWARFDebugInfoEntry *parent_die,
 385                                 int64_t& first_index,
 386                                 std::vector<uint64_t>& element_orders,
 387                                 uint32_t& byte_stride,
 388                                 uint32_t& bit_stride);
 389
 390                             // Given a die_offset, figure out the symbol context representing that die.
 391     bool                    ResolveFunction (dw_offset_t offset,
 392                                              DWARFCompileUnit *&dwarf_cu,
 393                                              lldb_private::SymbolContextList& sc_list);
 394
 395     bool                    ResolveFunction (DWARFCompileUnit *cu,
 396                                              const DWARFDebugInfoEntry *die,
 397                                              lldb_private::SymbolContextList& sc_list);
 398
 399     bool                    FunctionDieMatchesPartialName (
 400                                 const DWARFDebugInfoEntry* die,
 401                                 const DWARFCompileUnit *dwarf_cu,
 402                                 uint32_t name_type_mask,
 403                                 const char *partial_name,
 404                                 const char *base_name_start,
 405                                 const char *base_name_end);
 406
 407     void                    FindFunctions(
 408                                 const lldb_private::ConstString &name,
 409                                 const NameToDIE &name_to_die,
 410                                 lldb_private::SymbolContextList& sc_list);
 411
 412     void                    FindFunctions (
 413                                 const lldb_private::RegularExpression &regex,
 414                                 const NameToDIE &name_to_die,
 415                                 lldb_private::SymbolContextList& sc_list);
 416
 417     void                    FindFunctions (
 418                                 const lldb_private::RegularExpression &regex,
 419                                 const DWARFMappedHash::MemoryTable &memory_table,
 420                                 lldb_private::SymbolContextList& sc_list);
 421
 422     lldb::TypeSP            FindDefinitionTypeForDIE (
 423                                 DWARFCompileUnit* dwarf_cu,
 424                                 const DWARFDebugInfoEntry *die,
 425                                 const lldb_private::ConstString &type_name);
 426
 427     lldb::TypeSP            FindDefinitionTypeForDWARFDeclContext (
 428                                 const DWARFDeclContext &die_decl_ctx);
 429
 430     lldb::TypeSP            FindCompleteObjCDefinitionTypeForDIE (
 431                                 const DWARFDebugInfoEntry *die,
 432                                 const lldb_private::ConstString &type_name,
 433                                 bool must_be_implementation);
 434
 435     bool                    Supports_DW_AT_APPLE_objc_complete_type (DWARFCompileUnit *cu);
 436
 437     lldb::TypeSP            FindCompleteObjCDefinitionType (const lldb_private::ConstString &type_name,
 438                                                             bool header_definition_ok);
 439
 440     lldb_private::Symbol *  GetObjCClassSymbol (const lldb_private::ConstString &objc_class_name);
 441
 442     void                    ParseFunctions (const DIEArray &die_offsets,
 443                                             lldb_private::SymbolContextList& sc_list);
 444     lldb::TypeSP            GetTypeForDIE (DWARFCompileUnit *cu,
 445                                            const DWARFDebugInfoEntry* die);
 446
 447     uint32_t                FindTypes(std::vector<dw_offset_t> die_offsets, uint32_t max_matches, lldb_private::TypeList& types);
 448
 449     void                    Index();
 450
 451     void                    DumpIndexes();
 452
 453     void                    SetDebugMapModule (const lldb::ModuleSP &module_sp)
 454                             {
 455                                 m_debug_map_module_wp = module_sp;
 456                             }
 457
 458     SymbolFileDWARFDebugMap *
 459                             GetDebugMapSymfile ();
 460
 461     const DWARFDebugInfoEntry *
 462                             FindBlockContainingSpecification (dw_offset_t func_die_offset,
 463                                                               dw_offset_t spec_block_die_offset,
 464                                                               DWARFCompileUnit **dwarf_cu_handle);
 465
 466     const DWARFDebugInfoEntry *
 467                             FindBlockContainingSpecification (DWARFCompileUnit* dwarf_cu,
 468                                                               const DWARFDebugInfoEntry *die,
 469                                                               dw_offset_t spec_block_die_offset,
 470                                                               DWARFCompileUnit **dwarf_cu_handle);
 471
 472     clang::NamespaceDecl *
 473     ResolveNamespaceDIE (DWARFCompileUnit *curr_cu, const DWARFDebugInfoEntry *die);
 474
 475     UniqueDWARFASTTypeMap &
 476     GetUniqueDWARFASTTypeMap ();
 477
 478     void                    LinkDeclContextToDIE (clang::DeclContext *decl_ctx,
 479                                                   const DWARFDebugInfoEntry *die)
 480                             {
 481                                 m_die_to_decl_ctx[die] = decl_ctx;
 482                                 // There can be many DIEs for a single decl context
 483                                 m_decl_ctx_to_die[decl_ctx].insert(die);
 484                             }
 485
 486     bool
 487     UserIDMatches (lldb::user_id_t uid) const
 488     {
 489         const lldb::user_id_t high_uid = uid & 0xffffffff00000000ull;
 490         if (high_uid)
 491             return high_uid == GetID();
 492         return true;
 493     }
 494
 495     lldb::user_id_t
 496     MakeUserID (dw_offset_t die_offset) const
 497     {
 498         return GetID() | die_offset;
 499     }
 500
 501     static bool
 502     DeclKindIsCXXClass (clang::Decl::Kind decl_kind)
 503     {
 504         switch (decl_kind)
 505         {
 506             case clang::Decl::CXXRecord:
 507             case clang::Decl::ClassTemplateSpecialization:
 508                 return true;
 509             default:
 510                 break;
 511         }
 512         return false;
 513     }
 514
 515     bool
 516     ParseTemplateParameterInfos (DWARFCompileUnit* dwarf_cu,
 517                                  const DWARFDebugInfoEntry *parent_die,
 518                                  lldb_private::ClangASTContext::TemplateParameterInfos &template_param_infos);
 519
 520     bool
 521     ParseTemplateDIE (DWARFCompileUnit* dwarf_cu,
 522                       const DWARFDebugInfoEntry *die,
 523                       lldb_private::ClangASTContext::TemplateParameterInfos &template_param_infos);
 524
 525     clang::ClassTemplateDecl *
 526     ParseClassTemplateDecl (clang::DeclContext *decl_ctx,
 527                             lldb::AccessType access_type,
 528                             const char *parent_name,
 529                             int tag_decl_kind,
 530                             const lldb_private::ClangASTContext::TemplateParameterInfos &template_param_infos);
 531
 532     bool
 533     DIEDeclContextsMatch (DWARFCompileUnit* cu1, const DWARFDebugInfoEntry *die1,
 534                           DWARFCompileUnit* cu2, const DWARFDebugInfoEntry *die2);
 535
 536     bool
 537     ClassContainsSelector (DWARFCompileUnit *dwarf_cu,
 538                            const DWARFDebugInfoEntry *class_die,
 539                            const lldb_private::ConstString &selector);
 540
 541     bool
 542     CopyUniqueClassMethodTypes (SymbolFileDWARF *class_symfile,
 543                                 lldb_private::Type *class_type,
 544                                 DWARFCompileUnit* src_cu,
 545                                 const DWARFDebugInfoEntry *src_class_die,
 546                                 DWARFCompileUnit* dst_cu,
 547                                 const DWARFDebugInfoEntry *dst_class_die,
 548                                 llvm::SmallVectorImpl <const DWARFDebugInfoEntry *> &failures);
 549
 550     bool
 551     FixupAddress (lldb_private::Address &addr);
 552
 553     typedef std::set<lldb_private::Type *> TypeSet;
 554
 555     void
 556     GetTypes (DWARFCompileUnit* dwarf_cu,
 557               const DWARFDebugInfoEntry *die,
 558               dw_offset_t min_die_offset,
 559               dw_offset_t max_die_offset,
 560               uint32_t type_mask,
 561               TypeSet &type_set);
 562
 563     lldb::ModuleWP                  m_debug_map_module_wp;
 564     SymbolFileDWARFDebugMap *       m_debug_map_symfile;
 565     clang::TranslationUnitDecl *    m_clang_tu_decl;
 566     lldb_private::Flags             m_flags;
 567     lldb_private::DataExtractor     m_dwarf_data;
 568     lldb_private::DataExtractor     m_data_debug_abbrev;
 569     lldb_private::DataExtractor     m_data_debug_aranges;
 570     lldb_private::DataExtractor     m_data_debug_frame;
 571     lldb_private::DataExtractor     m_data_debug_info;
 572     lldb_private::DataExtractor     m_data_debug_line;
 573     lldb_private::DataExtractor     m_data_debug_loc;
 574     lldb_private::DataExtractor     m_data_debug_ranges;
 575     lldb_private::DataExtractor     m_data_debug_str;
 576     lldb_private::DataExtractor     m_data_apple_names;
 577     lldb_private::DataExtractor     m_data_apple_types;
 578     lldb_private::DataExtractor     m_data_apple_namespaces;
 579     lldb_private::DataExtractor     m_data_apple_objc;
 580
 581     // The unique pointer items below are generated on demand if and when someone accesses
 582     // them through a non const version of this class.
 583     std::unique_ptr<DWARFDebugAbbrev>     m_abbr;
 584     std::unique_ptr<DWARFDebugInfo>       m_info;
 585     std::unique_ptr<DWARFDebugLine>       m_line;
 586     std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_names_ap;
 587     std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_types_ap;
 588     std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_namespaces_ap;
 589     std::unique_ptr<DWARFMappedHash::MemoryTable> m_apple_objc_ap;
 590     NameToDIE                           m_function_basename_index;  // All concrete functions
 591     NameToDIE                           m_function_fullname_index;  // All concrete functions
 592     NameToDIE                           m_function_method_index;    // All inlined functions
 593     NameToDIE                           m_function_selector_index;  // All method names for functions of classes
 594     NameToDIE                           m_objc_class_selectors_index; // Given a class name, find all selectors for the class
 595     NameToDIE                           m_global_index;             // Global and static variables
 596     NameToDIE                           m_type_index;               // All type DIE offsets
 597     NameToDIE                           m_namespace_index;          // All type DIE offsets
 598     bool                                m_indexed:1,
 599                                         m_is_external_ast_source:1,
 600                                         m_using_apple_tables:1;
 601     lldb_private::LazyBool              m_supports_DW_AT_APPLE_objc_complete_type;
 602
 603     std::unique_ptr<DWARFDebugRanges>     m_ranges;
 604     UniqueDWARFASTTypeMap m_unique_ast_type_map;
 605     typedef llvm::SmallPtrSet<const DWARFDebugInfoEntry *, 4> DIEPointerSet;
 606     typedef llvm::DenseMap<const DWARFDebugInfoEntry *, clang::DeclContext *> DIEToDeclContextMap;
 607     typedef llvm::DenseMap<const clang::DeclContext *, DIEPointerSet> DeclContextToDIEMap;
 608     typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb_private::Type *> DIEToTypePtr;
 609     typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb::VariableSP> DIEToVariableSP;
 610     typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb::clang_type_t> DIEToClangType;
 611     typedef llvm::DenseMap<lldb::clang_type_t, const DWARFDebugInfoEntry *> ClangTypeToDIE;
 612     typedef llvm::DenseMap<const clang::RecordDecl *, LayoutInfo> RecordDeclToLayoutMap;
 613     DIEToDeclContextMap m_die_to_decl_ctx;
 614     DeclContextToDIEMap m_decl_ctx_to_die;
 615     DIEToTypePtr m_die_to_type;
 616     DIEToVariableSP m_die_to_variable_sp;
 617     DIEToClangType m_forward_decl_die_to_clang_type;
 618     ClangTypeToDIE m_forward_decl_clang_type_to_die;
 619     RecordDeclToLayoutMap m_record_decl_to_layout_map;
 620 };
 621
 622 #endif  // SymbolFileDWARF_SymbolFileDWARF_h_