diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h | 117 |
1 files changed, 69 insertions, 48 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h index 23e26732453f..76ceb279c718 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h +++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h @@ -6,17 +6,17 @@ // //===----------------------------------------------------------------------===// -#ifndef SymbolFileDWARF_SymbolFileDWARF_h_ -#define SymbolFileDWARF_SymbolFileDWARF_h_ +#ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_SYMBOLFILEDWARF_H +#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_SYMBOLFILEDWARF_H #include <list> #include <map> #include <mutex> -#include <set> #include <unordered_map> #include <vector> #include "llvm/ADT/DenseMap.h" +#include "llvm/ADT/SetVector.h" #include "llvm/Support/Threading.h" #include "lldb/Core/UniqueCStringMap.h" @@ -90,8 +90,6 @@ public: static lldb_private::SymbolFile * CreateInstance(lldb::ObjectFileSP objfile_sp); - static lldb_private::FileSpecList GetSymlinkPaths(); - // Constructors and Destructors SymbolFileDWARF(lldb::ObjectFileSP objfile_sp, @@ -108,6 +106,9 @@ public: lldb::LanguageType ParseLanguage(lldb_private::CompileUnit &comp_unit) override; + lldb_private::XcodeSDK + ParseXcodeSDK(lldb_private::CompileUnit &comp_unit) override; + size_t ParseFunctions(lldb_private::CompileUnit &comp_unit) override; bool ParseLineTable(lldb_private::CompileUnit &comp_unit) override; @@ -168,7 +169,7 @@ public: void FindGlobalVariables(lldb_private::ConstString name, - const lldb_private::CompilerDeclContext *parent_decl_ctx, + const lldb_private::CompilerDeclContext &parent_decl_ctx, uint32_t max_matches, lldb_private::VariableList &variables) override; @@ -177,7 +178,7 @@ public: lldb_private::VariableList &variables) override; void FindFunctions(lldb_private::ConstString name, - const lldb_private::CompilerDeclContext *parent_decl_ctx, + const lldb_private::CompilerDeclContext &parent_decl_ctx, lldb::FunctionNameType name_type_mask, bool include_inlines, lldb_private::SymbolContextList &sc_list) override; @@ -192,7 +193,7 @@ public: void FindTypes(lldb_private::ConstString name, - const lldb_private::CompilerDeclContext *parent_decl_ctx, + const lldb_private::CompilerDeclContext &parent_decl_ctx, uint32_t max_matches, llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files, lldb_private::TypeMap &types) override; @@ -211,7 +212,7 @@ public: lldb_private::CompilerDeclContext FindNamespace( lldb_private::ConstString name, - const lldb_private::CompilerDeclContext *parent_decl_ctx) override; + const lldb_private::CompilerDeclContext &parent_decl_ctx) override; void PreloadSymbols() override; @@ -224,11 +225,7 @@ public: DWARFDebugAbbrev *DebugAbbrev(); - const DWARFDebugAbbrev *DebugAbbrev() const; - - DWARFDebugInfo *DebugInfo(); - - const DWARFDebugInfo *DebugInfo() const; + DWARFDebugInfo &DebugInfo(); DWARFDebugRanges *GetDebugRanges(); @@ -243,8 +240,8 @@ public: lldb_private::CompileUnit * GetCompUnitForDWARFCompUnit(DWARFCompileUnit &dwarf_cu); - virtual size_t GetObjCMethodDIEOffsets(lldb_private::ConstString class_name, - DIEArray &method_die_offsets); + virtual void GetObjCMethods(lldb_private::ConstString class_name, + llvm::function_ref<bool(DWARFDIE die)> callback); bool Supports_DW_AT_APPLE_objc_complete_type(DWARFUnit *cu); @@ -252,8 +249,6 @@ public: static DWARFDIE GetParentSymbolContextDIE(const DWARFDIE &die); - virtual lldb::CompUnitSP ParseCompileUnit(DWARFCompileUnit &dwarf_cu); - lldb::ModuleSP GetExternalModule(lldb_private::ConstString name); typedef std::map<lldb_private::ConstString, lldb::ModuleSP> @@ -278,22 +273,17 @@ public: lldb::user_id_t GetUID(DIERef ref); - std::unique_ptr<SymbolFileDWARFDwo> + std::shared_ptr<SymbolFileDWARFDwo> GetDwoSymbolFileForCompileUnit(DWARFUnit &dwarf_cu, const DWARFDebugInfoEntry &cu_die); - // For regular SymbolFileDWARF instances the method returns nullptr, - // for the instances of the subclass SymbolFileDWARFDwo - // the method returns a pointer to the base compile unit. - virtual DWARFCompileUnit *GetBaseCompileUnit() { return nullptr; } - virtual llvm::Optional<uint32_t> GetDwoNum() { return llvm::None; } /// If this is a DWARF object with a single CU, return its DW_AT_dwo_id. llvm::Optional<uint64_t> GetDWOId(); static bool - DIEInDeclContext(const lldb_private::CompilerDeclContext *parent_decl_ctx, + DIEInDeclContext(const lldb_private::CompilerDeclContext &parent_decl_ctx, const DWARFDIE &die); std::vector<std::unique_ptr<lldb_private::CallEdge>> @@ -305,8 +295,30 @@ public: lldb_private::DWARFContext &GetDWARFContext() { return m_context; } + const std::shared_ptr<SymbolFileDWARFDwo> &GetDwpSymbolFile(); + lldb_private::FileSpec GetFile(DWARFUnit &unit, size_t file_idx); + static llvm::Expected<lldb_private::TypeSystem &> + GetTypeSystem(DWARFUnit &unit); + + static DWARFASTParser *GetDWARFParser(DWARFUnit &unit); + + // CompilerDecl related functions + + static lldb_private::CompilerDecl GetDecl(const DWARFDIE &die); + + static lldb_private::CompilerDeclContext GetDeclContext(const DWARFDIE &die); + + static lldb_private::CompilerDeclContext + GetContainingDeclContext(const DWARFDIE &die); + + static DWARFDeclContext GetDWARFDeclContext(const DWARFDIE &die); + + static lldb::LanguageType LanguageTypeFromDWARF(uint64_t val); + + static lldb::LanguageType GetLanguage(DWARFUnit &unit); + protected: typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb_private::Type *> DIEToTypePtr; @@ -315,25 +327,16 @@ protected: typedef llvm::DenseMap<const DWARFDebugInfoEntry *, lldb::opaque_compiler_type_t> DIEToClangType; - typedef llvm::DenseMap<lldb::opaque_compiler_type_t, lldb::user_id_t> - ClangTypeToDIE; + typedef llvm::DenseMap<lldb::opaque_compiler_type_t, DIERef> ClangTypeToDIE; - struct DWARFDataSegment { - llvm::once_flag m_flag; - lldb_private::DWARFDataExtractor m_data; - }; - - DISALLOW_COPY_AND_ASSIGN(SymbolFileDWARF); - - const lldb_private::DWARFDataExtractor & - GetCachedSectionData(lldb::SectionType sect_type, - DWARFDataSegment &data_segment); + SymbolFileDWARF(const SymbolFileDWARF &) = delete; + const SymbolFileDWARF &operator=(const SymbolFileDWARF &) = delete; virtual void LoadSectionData(lldb::SectionType sect_type, lldb_private::DWARFDataExtractor &data); bool DeclContextMatchesThisSymbolFile( - const lldb_private::CompilerDeclContext *decl_ctx); + const lldb_private::CompilerDeclContext &decl_ctx); uint32_t CalculateNumCompileUnits() override; @@ -341,6 +344,8 @@ protected: lldb_private::TypeList &GetTypeList() override; + lldb::CompUnitSP ParseCompileUnit(DWARFCompileUnit &dwarf_cu); + virtual DWARFUnit * GetDWARFCompileUnit(lldb_private::CompileUnit *comp_unit); @@ -383,6 +388,13 @@ protected: bool ResolveFunction(const DWARFDIE &die, bool include_inlines, lldb_private::SymbolContextList &sc_list); + /// Resolve functions and (possibly) blocks for the given file address and a + /// compile unit. The compile unit comes from the sc argument and it must be + /// set. The results of the lookup (if any) are written back to the symbol + /// context. + void ResolveFunctionAndBlock(lldb::addr_t file_vm_addr, bool lookup_block, + lldb_private::SymbolContext &sc); + virtual lldb::TypeSP FindDefinitionTypeForDWARFDeclContext(const DWARFDeclContext &die_decl_ctx); @@ -417,9 +429,21 @@ protected: bool ClassContainsSelector(const DWARFDIE &class_die, lldb_private::ConstString selector); + /// Parse call site entries (DW_TAG_call_site), including any nested call site + /// parameters (DW_TAG_call_site_parameter). + std::vector<std::unique_ptr<lldb_private::CallEdge>> + CollectCallEdges(lldb::ModuleSP module, DWARFDIE function_die); + + /// If this symbol file is linked to by a debug map (see + /// SymbolFileDWARFDebugMap), and \p file_addr is a file address relative to + /// an object file, adjust \p file_addr so that it is relative to the main + /// binary. Returns the adjusted address, or \p file_addr if no adjustment is + /// needed, on success and LLDB_INVALID_ADDRESS otherwise. + lldb::addr_t FixupAddress(lldb::addr_t file_addr); + bool FixupAddress(lldb_private::Address &addr); - typedef std::set<lldb_private::Type *> TypeSet; + typedef llvm::SetVector<lldb_private::Type *> TypeSet; void GetTypes(const DWARFDIE &die, dw_offset_t min_die_offset, dw_offset_t max_die_offset, uint32_t type_mask, @@ -454,7 +478,7 @@ protected: }; llvm::Optional<DecodedUID> DecodeUID(lldb::user_id_t uid); - SymbolFileDWARFDwp *GetDwpSymbolFile(); + void FindDwpSymbolFile(); const lldb_private::FileSpecList &GetTypeUnitSupportFiles(DWARFTypeUnit &tu); @@ -462,17 +486,14 @@ protected: SymbolFileDWARFDebugMap *m_debug_map_symfile; llvm::once_flag m_dwp_symfile_once_flag; - std::unique_ptr<SymbolFileDWARFDwp> m_dwp_symfile; + std::shared_ptr<SymbolFileDWARFDwo> m_dwp_symfile; lldb_private::DWARFContext m_context; - DWARFDataSegment m_data_debug_loc; - DWARFDataSegment m_data_debug_loclists; + llvm::once_flag m_info_once_flag; + std::unique_ptr<DWARFDebugInfo> m_info; - // The unique pointer items below are generated on demand if and when someone - // accesses them through a non const version of this class. std::unique_ptr<DWARFDebugAbbrev> m_abbr; - std::unique_ptr<DWARFDebugInfo> m_info; std::unique_ptr<GlobalVariableMap> m_global_aranges_up; typedef std::unordered_map<lldb::offset_t, lldb_private::DebugMacrosSP> @@ -484,7 +505,7 @@ protected: bool m_fetched_external_modules : 1; lldb_private::LazyBool m_supports_DW_AT_APPLE_objc_complete_type; - typedef std::set<lldb::user_id_t> DIERefSet; + typedef std::set<DIERef> DIERefSet; typedef llvm::StringMap<DIERefSet> NameToOffsetMap; NameToOffsetMap m_function_scope_qualified_name_map; std::unique_ptr<DWARFDebugRanges> m_ranges; @@ -498,4 +519,4 @@ protected: std::vector<uint32_t> m_lldb_cu_to_dwarf_unit; }; -#endif // SymbolFileDWARF_SymbolFileDWARF_h_ +#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_SYMBOLFILEDWARF_H |