diff options
Diffstat (limited to 'source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h')
| -rw-r--r-- | source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h | 440 |
1 files changed, 198 insertions, 242 deletions
diff --git a/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h b/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h index 8d96e3698ab2..430251337575 100644 --- a/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h +++ b/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h @@ -10,258 +10,214 @@ #ifndef SymbolFileDWARF_DWARFCompileUnit_h_ #define SymbolFileDWARF_DWARFCompileUnit_h_ -#include "lldb/lldb-enumerations.h" -#include "DWARFDebugInfoEntry.h" #include "DWARFDIE.h" +#include "DWARFDebugInfoEntry.h" +#include "lldb/lldb-enumerations.h" class NameToDIE; class SymbolFileDWARF; class SymbolFileDWARFDwo; -class DWARFCompileUnit -{ +class DWARFCompileUnit { public: - enum Producer - { - eProducerInvalid = 0, - eProducerClang, - eProducerGCC, - eProducerLLVMGCC, - eProcucerOther - }; - - DWARFCompileUnit(SymbolFileDWARF* dwarf2Data); - ~DWARFCompileUnit(); - - bool Extract(const lldb_private::DWARFDataExtractor &debug_info, lldb::offset_t *offset_ptr); - size_t ExtractDIEsIfNeeded (bool cu_die_only); - DWARFDIE LookupAddress(const dw_addr_t address); - size_t AppendDIEsWithTag (const dw_tag_t tag, DWARFDIECollection& matching_dies, uint32_t depth = UINT32_MAX) const; - void Clear(); - bool Verify(lldb_private::Stream *s) const; - void Dump(lldb_private::Stream *s) const; - dw_offset_t GetOffset() const { return m_offset; } - lldb::user_id_t GetID () const; - uint32_t Size() const { return m_is_dwarf64 ? 23 : 11; /* Size in bytes of the compile unit header */ } - bool ContainsDIEOffset(dw_offset_t die_offset) const { return die_offset >= GetFirstDIEOffset() && die_offset < GetNextCompileUnitOffset(); } - dw_offset_t GetFirstDIEOffset() const { return m_offset + Size(); } - dw_offset_t GetNextCompileUnitOffset() const { return m_offset + m_length + (m_is_dwarf64 ? 12 : 4); } - size_t GetDebugInfoSize() const { return m_length + (m_is_dwarf64 ? 12 : 4) - Size(); /* Size in bytes of the .debug_info data associated with this compile unit. */ } - uint32_t GetLength() const { return m_length; } - uint16_t GetVersion() const { return m_version; } - const DWARFAbbreviationDeclarationSet* GetAbbreviations() const { return m_abbrevs; } - dw_offset_t GetAbbrevOffset() const; - uint8_t GetAddressByteSize() const { return m_addr_size; } - dw_addr_t GetBaseAddress() const { return m_base_addr; } - dw_addr_t GetAddrBase() const { return m_addr_base; } - void SetAddrBase(dw_addr_t addr_base, dw_offset_t base_obj_offset); - void ClearDIEs(bool keep_compile_unit_die); - void BuildAddressRangeTable (SymbolFileDWARF* dwarf2Data, - DWARFDebugAranges* debug_aranges); - - lldb::ByteOrder - GetByteOrder() const; - - lldb_private::TypeSystem * - GetTypeSystem(); - - DWARFFormValue::FixedFormSizes - GetFixedFormSizes (); - - void - SetBaseAddress(dw_addr_t base_addr) - { - m_base_addr = base_addr; - } - - DWARFDIE - GetCompileUnitDIEOnly() - { - return DWARFDIE(this, GetCompileUnitDIEPtrOnly()); - } - - DWARFDIE - DIE () - { - return DWARFDIE(this, DIEPtr()); - } - - void - AddDIE (DWARFDebugInfoEntry& die) - { - // The average bytes per DIE entry has been seen to be - // around 14-20 so lets pre-reserve half of that since - // we are now stripping the NULL tags. - - // Only reserve the memory if we are adding children of - // the main compile unit DIE. The compile unit DIE is always - // the first entry, so if our size is 1, then we are adding - // the first compile unit child DIE and should reserve - // the memory. - if (m_die_array.empty()) - m_die_array.reserve(GetDebugInfoSize() / 24); - m_die_array.push_back(die); - } - - void - AddCompileUnitDIE (DWARFDebugInfoEntry& die); - - bool - HasDIEsParsed () const - { - return m_die_array.size() > 1; - } - - DWARFDIE - GetDIE (dw_offset_t die_offset); - - static uint8_t - GetAddressByteSize(const DWARFCompileUnit* cu); - - static bool - IsDWARF64(const DWARFCompileUnit* cu); - - static uint8_t - GetDefaultAddressSize(); - - static void - SetDefaultAddressSize(uint8_t addr_size); - - void * - GetUserData() const - { - return m_user_data; - } - - void - SetUserData(void *d); - - bool - Supports_DW_AT_APPLE_objc_complete_type (); - - bool - DW_AT_decl_file_attributes_are_invalid(); - - bool - Supports_unnamed_objc_bitfields (); - - void - Index (NameToDIE& func_basenames, - NameToDIE& func_fullnames, - NameToDIE& func_methods, - NameToDIE& func_selectors, - NameToDIE& objc_class_selectors, - NameToDIE& globals, - NameToDIE& types, - NameToDIE& namespaces); - - const DWARFDebugAranges & - GetFunctionAranges (); - - SymbolFileDWARF* - GetSymbolFileDWARF () const - { - return m_dwarf2Data; - } - - Producer - GetProducer (); - - uint32_t - GetProducerVersionMajor(); - - uint32_t - GetProducerVersionMinor(); - - uint32_t - GetProducerVersionUpdate(); - - static lldb::LanguageType - LanguageTypeFromDWARF(uint64_t val); - - lldb::LanguageType - GetLanguageType(); - - bool - IsDWARF64() const; - - bool - GetIsOptimized (); - - SymbolFileDWARFDwo* - GetDwoSymbolFile() const - { - return m_dwo_symbol_file.get(); - } - - dw_offset_t - GetBaseObjOffset() const - { - return m_base_obj_offset; - } + enum Producer { + eProducerInvalid = 0, + eProducerClang, + eProducerGCC, + eProducerLLVMGCC, + eProcucerOther + }; + + DWARFCompileUnit(SymbolFileDWARF *dwarf2Data); + ~DWARFCompileUnit(); + + bool Extract(const lldb_private::DWARFDataExtractor &debug_info, + lldb::offset_t *offset_ptr); + size_t ExtractDIEsIfNeeded(bool cu_die_only); + DWARFDIE LookupAddress(const dw_addr_t address); + size_t AppendDIEsWithTag(const dw_tag_t tag, + DWARFDIECollection &matching_dies, + uint32_t depth = UINT32_MAX) const; + void Clear(); + bool Verify(lldb_private::Stream *s) const; + void Dump(lldb_private::Stream *s) const; + dw_offset_t GetOffset() const { return m_offset; } + lldb::user_id_t GetID() const; + uint32_t Size() const { + return m_is_dwarf64 ? 23 + : 11; /* Size in bytes of the compile unit header */ + } + bool ContainsDIEOffset(dw_offset_t die_offset) const { + return die_offset >= GetFirstDIEOffset() && + die_offset < GetNextCompileUnitOffset(); + } + dw_offset_t GetFirstDIEOffset() const { return m_offset + Size(); } + dw_offset_t GetNextCompileUnitOffset() const { + return m_offset + m_length + (m_is_dwarf64 ? 12 : 4); + } + size_t GetDebugInfoSize() const { + return m_length + (m_is_dwarf64 ? 12 : 4) - Size(); /* Size in bytes of the + .debug_info data + associated with this + compile unit. */ + } + uint32_t GetLength() const { return m_length; } + uint16_t GetVersion() const { return m_version; } + const DWARFAbbreviationDeclarationSet *GetAbbreviations() const { + return m_abbrevs; + } + dw_offset_t GetAbbrevOffset() const; + uint8_t GetAddressByteSize() const { return m_addr_size; } + dw_addr_t GetBaseAddress() const { return m_base_addr; } + dw_addr_t GetAddrBase() const { return m_addr_base; } + dw_addr_t GetRangesBase() const { return m_ranges_base; } + void SetAddrBase(dw_addr_t addr_base, dw_addr_t ranges_base, dw_offset_t base_obj_offset); + void ClearDIEs(bool keep_compile_unit_die); + void BuildAddressRangeTable(SymbolFileDWARF *dwarf2Data, + DWARFDebugAranges *debug_aranges); + + lldb::ByteOrder GetByteOrder() const; + + lldb_private::TypeSystem *GetTypeSystem(); + + DWARFFormValue::FixedFormSizes GetFixedFormSizes(); + + void SetBaseAddress(dw_addr_t base_addr) { m_base_addr = base_addr; } + + DWARFDIE + GetCompileUnitDIEOnly() { return DWARFDIE(this, GetCompileUnitDIEPtrOnly()); } + + DWARFDIE + DIE() { return DWARFDIE(this, DIEPtr()); } + + void AddDIE(DWARFDebugInfoEntry &die) { + // The average bytes per DIE entry has been seen to be + // around 14-20 so lets pre-reserve half of that since + // we are now stripping the NULL tags. + + // Only reserve the memory if we are adding children of + // the main compile unit DIE. The compile unit DIE is always + // the first entry, so if our size is 1, then we are adding + // the first compile unit child DIE and should reserve + // the memory. + if (m_die_array.empty()) + m_die_array.reserve(GetDebugInfoSize() / 24); + m_die_array.push_back(die); + } + + void AddCompileUnitDIE(DWARFDebugInfoEntry &die); + + bool HasDIEsParsed() const { return m_die_array.size() > 1; } + + DWARFDIE + GetDIE(dw_offset_t die_offset); + + static uint8_t GetAddressByteSize(const DWARFCompileUnit *cu); + + static bool IsDWARF64(const DWARFCompileUnit *cu); + + static uint8_t GetDefaultAddressSize(); + + static void SetDefaultAddressSize(uint8_t addr_size); + + void *GetUserData() const { return m_user_data; } + + void SetUserData(void *d); + + bool Supports_DW_AT_APPLE_objc_complete_type(); + + bool DW_AT_decl_file_attributes_are_invalid(); + + bool Supports_unnamed_objc_bitfields(); + + void Index(NameToDIE &func_basenames, NameToDIE &func_fullnames, + NameToDIE &func_methods, NameToDIE &func_selectors, + NameToDIE &objc_class_selectors, NameToDIE &globals, + NameToDIE &types, NameToDIE &namespaces); + + const DWARFDebugAranges &GetFunctionAranges(); + + SymbolFileDWARF *GetSymbolFileDWARF() const { return m_dwarf2Data; } + + Producer GetProducer(); + + uint32_t GetProducerVersionMajor(); + + uint32_t GetProducerVersionMinor(); + + uint32_t GetProducerVersionUpdate(); + + static lldb::LanguageType LanguageTypeFromDWARF(uint64_t val); + + lldb::LanguageType GetLanguageType(); + + bool IsDWARF64() const; + + bool GetIsOptimized(); + + SymbolFileDWARFDwo *GetDwoSymbolFile() const { + return m_dwo_symbol_file.get(); + } + + dw_offset_t GetBaseObjOffset() const { return m_base_obj_offset; } protected: - SymbolFileDWARF* m_dwarf2Data; - std::unique_ptr<SymbolFileDWARFDwo> m_dwo_symbol_file; - const DWARFAbbreviationDeclarationSet *m_abbrevs; - void * m_user_data; - DWARFDebugInfoEntry::collection m_die_array; // The compile unit debug information entry item - std::unique_ptr<DWARFDebugAranges> m_func_aranges_ap; // A table similar to the .debug_aranges table, but this one points to the exact DW_TAG_subprogram DIEs - dw_addr_t m_base_addr; - dw_offset_t m_offset; - dw_offset_t m_length; - uint16_t m_version; - uint8_t m_addr_size; - Producer m_producer; - uint32_t m_producer_version_major; - uint32_t m_producer_version_minor; - uint32_t m_producer_version_update; - lldb::LanguageType m_language_type; - bool m_is_dwarf64; - lldb_private::LazyBool m_is_optimized; - dw_addr_t m_addr_base; // Value of DW_AT_addr_base - dw_offset_t m_base_obj_offset; // If this is a dwo compile unit this is the offset of - // the base compile unit in the main object file - - void - ParseProducerInfo (); - - static void - IndexPrivate (DWARFCompileUnit* dwarf_cu, - const lldb::LanguageType cu_language, - const DWARFFormValue::FixedFormSizes& fixed_form_sizes, - const dw_offset_t cu_offset, - NameToDIE& func_basenames, - NameToDIE& func_fullnames, - NameToDIE& func_methods, - NameToDIE& func_selectors, - NameToDIE& objc_class_selectors, - NameToDIE& globals, - NameToDIE& types, - NameToDIE& namespaces); + SymbolFileDWARF *m_dwarf2Data; + std::unique_ptr<SymbolFileDWARFDwo> m_dwo_symbol_file; + const DWARFAbbreviationDeclarationSet *m_abbrevs; + void *m_user_data; + DWARFDebugInfoEntry::collection + m_die_array; // The compile unit debug information entry item + std::unique_ptr<DWARFDebugAranges> m_func_aranges_ap; // A table similar to + // the .debug_aranges + // table, but this one + // points to the exact + // DW_TAG_subprogram + // DIEs + dw_addr_t m_base_addr; + dw_offset_t m_offset; + dw_offset_t m_length; + uint16_t m_version; + uint8_t m_addr_size; + Producer m_producer; + uint32_t m_producer_version_major; + uint32_t m_producer_version_minor; + uint32_t m_producer_version_update; + lldb::LanguageType m_language_type; + bool m_is_dwarf64; + lldb_private::LazyBool m_is_optimized; + dw_addr_t m_addr_base; // Value of DW_AT_addr_base + dw_addr_t m_ranges_base; // Value of DW_AT_ranges_base + dw_offset_t m_base_obj_offset; // If this is a dwo compile unit this is the + // offset of the base compile unit in the main + // object file + + void ParseProducerInfo(); + + static void + IndexPrivate(DWARFCompileUnit *dwarf_cu, const lldb::LanguageType cu_language, + const DWARFFormValue::FixedFormSizes &fixed_form_sizes, + const dw_offset_t cu_offset, NameToDIE &func_basenames, + NameToDIE &func_fullnames, NameToDIE &func_methods, + NameToDIE &func_selectors, NameToDIE &objc_class_selectors, + NameToDIE &globals, NameToDIE &types, NameToDIE &namespaces); private: - - const DWARFDebugInfoEntry* - GetCompileUnitDIEPtrOnly() - { - ExtractDIEsIfNeeded (true); - if (m_die_array.empty()) - return NULL; - return &m_die_array[0]; - } - - const DWARFDebugInfoEntry* - DIEPtr() - { - ExtractDIEsIfNeeded (false); - if (m_die_array.empty()) - return NULL; - return &m_die_array[0]; - } - - - DISALLOW_COPY_AND_ASSIGN (DWARFCompileUnit); + const DWARFDebugInfoEntry *GetCompileUnitDIEPtrOnly() { + ExtractDIEsIfNeeded(true); + if (m_die_array.empty()) + return NULL; + return &m_die_array[0]; + } + + const DWARFDebugInfoEntry *DIEPtr() { + ExtractDIEsIfNeeded(false); + if (m_die_array.empty()) + return NULL; + return &m_die_array[0]; + } + + DISALLOW_COPY_AND_ASSIGN(DWARFCompileUnit); }; -#endif // SymbolFileDWARF_DWARFCompileUnit_h_ +#endif // SymbolFileDWARF_DWARFCompileUnit_h_ |