diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h | 629 |
1 files changed, 267 insertions, 362 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h index 27b4fe93bc3..15abac77a47 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugInfoEntry.h @@ -13,390 +13,295 @@ #include "SymbolFileDWARF.h" #include "llvm/ADT/SmallVector.h" -#include "DWARFDebugAbbrev.h" #include "DWARFAbbreviationDeclaration.h" +#include "DWARFDebugAbbrev.h" #include "DWARFDebugRanges.h" -#include <vector> #include <map> #include <set> +#include <vector> -typedef std::map<const DWARFDebugInfoEntry*, dw_addr_t> DIEToAddressMap; -typedef DIEToAddressMap::iterator DIEToAddressMapIter; -typedef DIEToAddressMap::const_iterator DIEToAddressMapConstIter; - -typedef std::map<dw_addr_t, const DWARFDebugInfoEntry*> AddressToDIEMap; -typedef AddressToDIEMap::iterator AddressToDIEMapIter; -typedef AddressToDIEMap::const_iterator AddressToDIEMapConstIter; +typedef std::map<const DWARFDebugInfoEntry *, dw_addr_t> DIEToAddressMap; +typedef DIEToAddressMap::iterator DIEToAddressMapIter; +typedef DIEToAddressMap::const_iterator DIEToAddressMapConstIter; +typedef std::map<dw_addr_t, const DWARFDebugInfoEntry *> AddressToDIEMap; +typedef AddressToDIEMap::iterator AddressToDIEMapIter; +typedef AddressToDIEMap::const_iterator AddressToDIEMapConstIter; -typedef std::map<dw_offset_t, dw_offset_t> DIEToDIEMap; -typedef DIEToDIEMap::iterator DIEToDIEMapIter; -typedef DIEToDIEMap::const_iterator DIEToDIEMapConstIter; +typedef std::map<dw_offset_t, dw_offset_t> DIEToDIEMap; +typedef DIEToDIEMap::iterator DIEToDIEMapIter; +typedef DIEToDIEMap::const_iterator DIEToDIEMapConstIter; -typedef std::map<uint32_t, const DWARFDebugInfoEntry*> UInt32ToDIEMap; -typedef UInt32ToDIEMap::iterator UInt32ToDIEMapIter; -typedef UInt32ToDIEMap::const_iterator UInt32ToDIEMapConstIter; +typedef std::map<uint32_t, const DWARFDebugInfoEntry *> UInt32ToDIEMap; +typedef UInt32ToDIEMap::iterator UInt32ToDIEMapIter; +typedef UInt32ToDIEMap::const_iterator UInt32ToDIEMapConstIter; -typedef std::multimap<uint32_t, const DWARFDebugInfoEntry*> UInt32ToDIEMMap; -typedef UInt32ToDIEMMap::iterator UInt32ToDIEMMapIter; -typedef UInt32ToDIEMMap::const_iterator UInt32ToDIEMMapConstIter; +typedef std::multimap<uint32_t, const DWARFDebugInfoEntry *> UInt32ToDIEMMap; +typedef UInt32ToDIEMMap::iterator UInt32ToDIEMMapIter; +typedef UInt32ToDIEMMap::const_iterator UInt32ToDIEMMapConstIter; class DWARFDeclContext; #define DIE_SIBLING_IDX_BITSIZE 31 #define DIE_ABBR_IDX_BITSIZE 15 -class DWARFDebugInfoEntry -{ +class DWARFDebugInfoEntry { public: - typedef std::vector<DWARFDebugInfoEntry> collection; - typedef collection::iterator iterator; - typedef collection::const_iterator const_iterator; - - typedef std::vector<dw_offset_t> offset_collection; - typedef offset_collection::iterator offset_collection_iterator; - typedef offset_collection::const_iterator offset_collection_const_iterator; - - DWARFDebugInfoEntry(): - m_offset (DW_INVALID_OFFSET), - m_parent_idx (0), - m_sibling_idx (0), - m_empty_children(false), - m_abbr_idx (0), - m_has_children (false), - m_tag (0) - { - } - - void Clear () - { - m_offset = DW_INVALID_OFFSET; - m_parent_idx = 0; - m_sibling_idx = 0; - m_empty_children = false; - m_abbr_idx = 0; - m_has_children = false; - m_tag = 0; - } - - bool Contains (const DWARFDebugInfoEntry *die) const; - - void BuildAddressRangeTable( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - DWARFDebugAranges* debug_aranges) const; - - void BuildFunctionAddressRangeTable( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - DWARFDebugAranges* debug_aranges) const; - - bool FastExtract( - const lldb_private::DWARFDataExtractor& debug_info_data, - const DWARFCompileUnit* cu, - const DWARFFormValue::FixedFormSizes& fixed_form_sizes, - lldb::offset_t* offset_ptr); - - bool Extract( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - lldb::offset_t* offset_ptr); - - bool LookupAddress( - const dw_addr_t address, - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - DWARFDebugInfoEntry** function_die, - DWARFDebugInfoEntry** block_die); - - size_t GetAttributes( - const DWARFCompileUnit* cu, - DWARFFormValue::FixedFormSizes fixed_form_sizes, - DWARFAttributes& attrs, - uint32_t curr_depth = 0) const; // "curr_depth" for internal use only, don't set this yourself!!! - - dw_offset_t GetAttributeValue(SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_attr_t attr, - DWARFFormValue& formValue, - dw_offset_t* end_attr_offset_ptr = nullptr, - bool check_specification_or_abstract_origin = false) const; - - const char* GetAttributeValueAsString( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_attr_t attr, - const char* fail_value, - bool check_specification_or_abstract_origin = false) const; - - uint64_t GetAttributeValueAsUnsigned( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_attr_t attr, - uint64_t fail_value, - bool check_specification_or_abstract_origin = false) const; - - uint64_t GetAttributeValueAsReference( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_attr_t attr, - uint64_t fail_value, - bool check_specification_or_abstract_origin = false) const; - - int64_t GetAttributeValueAsSigned( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_attr_t attr, - int64_t fail_value, + typedef std::vector<DWARFDebugInfoEntry> collection; + typedef collection::iterator iterator; + typedef collection::const_iterator const_iterator; + + typedef std::vector<dw_offset_t> offset_collection; + typedef offset_collection::iterator offset_collection_iterator; + typedef offset_collection::const_iterator offset_collection_const_iterator; + + DWARFDebugInfoEntry() + : m_offset(DW_INVALID_OFFSET), m_parent_idx(0), m_sibling_idx(0), + m_empty_children(false), m_abbr_idx(0), m_has_children(false), + m_tag(0) {} + + void Clear() { + m_offset = DW_INVALID_OFFSET; + m_parent_idx = 0; + m_sibling_idx = 0; + m_empty_children = false; + m_abbr_idx = 0; + m_has_children = false; + m_tag = 0; + } + + bool Contains(const DWARFDebugInfoEntry *die) const; + + void BuildAddressRangeTable(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu, + DWARFDebugAranges *debug_aranges) const; + + void BuildFunctionAddressRangeTable(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu, + DWARFDebugAranges *debug_aranges) const; + + bool FastExtract(const lldb_private::DWARFDataExtractor &debug_info_data, + const DWARFCompileUnit *cu, + const DWARFFormValue::FixedFormSizes &fixed_form_sizes, + lldb::offset_t *offset_ptr); + + bool Extract(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + lldb::offset_t *offset_ptr); + + bool LookupAddress(const dw_addr_t address, SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu, + DWARFDebugInfoEntry **function_die, + DWARFDebugInfoEntry **block_die); + + size_t GetAttributes(const DWARFCompileUnit *cu, + DWARFFormValue::FixedFormSizes fixed_form_sizes, + DWARFAttributes &attrs, + uint32_t curr_depth = 0) + const; // "curr_depth" for internal use only, don't set this yourself!!! + + dw_offset_t + GetAttributeValue(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_attr_t attr, DWARFFormValue &formValue, + dw_offset_t *end_attr_offset_ptr = nullptr, bool check_specification_or_abstract_origin = false) const; - uint64_t GetAttributeValueAsAddress( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_attr_t attr, - uint64_t fail_value, - bool check_specification_or_abstract_origin = false) const; - - dw_addr_t GetAttributeHighPC( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - dw_addr_t lo_pc, - uint64_t fail_value, - bool check_specification_or_abstract_origin = false) const; - - bool GetAttributeAddressRange( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - dw_addr_t& lo_pc, - dw_addr_t& hi_pc, - uint64_t fail_value, - bool check_specification_or_abstract_origin = false) const; - - size_t GetAttributeAddressRanges ( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - DWARFRangeList &ranges, - bool check_hi_lo_pc, - bool check_specification_or_abstract_origin = false) const; - - const char* GetName( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu) const; - - const char* GetMangledName( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - bool substitute_name_allowed = true) const; - - const char* GetPubname( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu) const; - - static bool GetName( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_offset_t die_offset, - lldb_private::Stream &s); - - static bool AppendTypeName( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const dw_offset_t die_offset, - lldb_private::Stream &s); - - const char * GetQualifiedName ( - SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu, - std::string &storage) const; - - const char * GetQualifiedName ( - SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu, - const DWARFAttributes& attributes, - std::string &storage) const; - - static bool OffsetLessThan ( - const DWARFDebugInfoEntry& a, - const DWARFDebugInfoEntry& b); - - void Dump( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - lldb_private::Stream &s, - uint32_t recurse_depth) const; - - void DumpAncestry( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const DWARFDebugInfoEntry* oldest, - lldb_private::Stream &s, + const char *GetAttributeValueAsString( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_attr_t attr, const char *fail_value, + bool check_specification_or_abstract_origin = false) const; + + uint64_t GetAttributeValueAsUnsigned( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_attr_t attr, uint64_t fail_value, + bool check_specification_or_abstract_origin = false) const; + + uint64_t GetAttributeValueAsReference( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_attr_t attr, uint64_t fail_value, + bool check_specification_or_abstract_origin = false) const; + + int64_t GetAttributeValueAsSigned( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_attr_t attr, int64_t fail_value, + bool check_specification_or_abstract_origin = false) const; + + uint64_t GetAttributeValueAsAddress( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_attr_t attr, uint64_t fail_value, + bool check_specification_or_abstract_origin = false) const; + + dw_addr_t + GetAttributeHighPC(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + dw_addr_t lo_pc, uint64_t fail_value, + bool check_specification_or_abstract_origin = false) const; + + bool GetAttributeAddressRange( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, dw_addr_t &lo_pc, + dw_addr_t &hi_pc, uint64_t fail_value, + bool check_specification_or_abstract_origin = false) const; + + size_t GetAttributeAddressRanges( + SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + DWARFRangeList &ranges, bool check_hi_lo_pc, + bool check_specification_or_abstract_origin = false) const; + + const char *GetName(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu) const; + + const char *GetMangledName(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu, + bool substitute_name_allowed = true) const; + + const char *GetPubname(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu) const; + + static bool GetName(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const dw_offset_t die_offset, lldb_private::Stream &s); + + static bool AppendTypeName(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu, + const dw_offset_t die_offset, + lldb_private::Stream &s); + + const char *GetQualifiedName(SymbolFileDWARF *dwarf2Data, + DWARFCompileUnit *cu, + std::string &storage) const; + + const char *GetQualifiedName(SymbolFileDWARF *dwarf2Data, + DWARFCompileUnit *cu, + const DWARFAttributes &attributes, + std::string &storage) const; + + static bool OffsetLessThan(const DWARFDebugInfoEntry &a, + const DWARFDebugInfoEntry &b); + + void Dump(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + lldb_private::Stream &s, uint32_t recurse_depth) const; + + void DumpAncestry(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const DWARFDebugInfoEntry *oldest, lldb_private::Stream &s, uint32_t recurse_depth) const; - static void DumpAttribute( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const lldb_private::DWARFDataExtractor& debug_info_data, - lldb::offset_t *offset_ptr, - lldb_private::Stream &s, - dw_attr_t attr, - dw_form_t form); - // This one dumps the comp unit name, objfile name and die offset for this die so the stream S. - void DumpLocation( - SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu, + static void + DumpAttribute(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const lldb_private::DWARFDataExtractor &debug_info_data, + lldb::offset_t *offset_ptr, lldb_private::Stream &s, + dw_attr_t attr, dw_form_t form); + // This one dumps the comp unit name, objfile name and die offset for this die + // so the stream S. + void DumpLocation(SymbolFileDWARF *dwarf2Data, DWARFCompileUnit *cu, lldb_private::Stream &s) const; - - bool GetDIENamesAndRanges( - SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit* cu, - const char * &name, - const char * &mangled, - DWARFRangeList& rangeList, - int& decl_file, - int& decl_line, - int& decl_column, - int& call_file, - int& call_line, - int& call_column, - lldb_private::DWARFExpression *frame_base = NULL) const; - - const DWARFAbbreviationDeclaration* - GetAbbreviationDeclarationPtr (SymbolFileDWARF* dwarf2Data, - const DWARFCompileUnit *cu, - lldb::offset_t &offset) const; - - dw_tag_t - Tag () const - { - return m_tag; - } - - bool - IsNULL() const - { - return m_abbr_idx == 0; - } - - dw_offset_t - GetOffset () const - { - return m_offset; - } - - void - SetOffset (dw_offset_t offset) - { - m_offset = offset; - } - - bool - HasChildren () const - { - return m_has_children; - } - - void - SetHasChildren (bool b) - { - m_has_children = b; - } - - // We know we are kept in a vector of contiguous entries, so we know - // our parent will be some index behind "this". - DWARFDebugInfoEntry* GetParent() { return m_parent_idx > 0 ? this - m_parent_idx : NULL; } - const DWARFDebugInfoEntry* GetParent() const { return m_parent_idx > 0 ? this - m_parent_idx : NULL; } - // We know we are kept in a vector of contiguous entries, so we know - // our sibling will be some index after "this". - DWARFDebugInfoEntry* GetSibling() { return m_sibling_idx > 0 ? this + m_sibling_idx : NULL; } - const DWARFDebugInfoEntry* GetSibling() const { return m_sibling_idx > 0 ? this + m_sibling_idx : NULL; } - // We know we are kept in a vector of contiguous entries, so we know - // we don't need to store our child pointer, if we have a child it will - // be the next entry in the list... - DWARFDebugInfoEntry* GetFirstChild() { return (HasChildren() && !m_empty_children) ? this + 1 : NULL; } - const DWARFDebugInfoEntry* GetFirstChild() const { return (HasChildren() && !m_empty_children) ? this + 1 : NULL; } - - - void GetDeclContextDIEs (DWARFCompileUnit* cu, - DWARFDIECollection &decl_context_dies) const; - - void GetDWARFDeclContext (SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu, - DWARFDeclContext &dwarf_decl_ctx) const; - - - bool MatchesDWARFDeclContext(SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu, - const DWARFDeclContext &dwarf_decl_ctx) const; - - DWARFDIE GetParentDeclContextDIE (SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu) const; - DWARFDIE GetParentDeclContextDIE (SymbolFileDWARF* dwarf2Data, - DWARFCompileUnit* cu, - const DWARFAttributes& attributes) const; - - void - SetParent (DWARFDebugInfoEntry* parent) - { - if (parent) - { - // We know we are kept in a vector of contiguous entries, so we know - // our parent will be some index behind "this". - m_parent_idx = this - parent; - } - else - m_parent_idx = 0; - } - void - SetSibling (DWARFDebugInfoEntry* sibling) - { - if (sibling) - { - // We know we are kept in a vector of contiguous entries, so we know - // our sibling will be some index after "this". - m_sibling_idx = sibling - this; - sibling->SetParent(GetParent()); - } - else - m_sibling_idx = 0; - } - - void - SetSiblingIndex (uint32_t idx) - { - m_sibling_idx = idx; - } - - void - SetParentIndex (uint32_t idx) - { - m_parent_idx = idx; - } - - bool - GetEmptyChildren () const - { - return m_empty_children; - } - - void - SetEmptyChildren (bool b) - { - m_empty_children = b; - } - - static void - DumpDIECollection (lldb_private::Stream &strm, - DWARFDebugInfoEntry::collection &die_collection); -protected: + bool + GetDIENamesAndRanges(SymbolFileDWARF *dwarf2Data, const DWARFCompileUnit *cu, + const char *&name, const char *&mangled, + DWARFRangeList &rangeList, int &decl_file, + int &decl_line, int &decl_column, int &call_file, + int &call_line, int &call_column, + lldb_private::DWARFExpression *frame_base = NULL) const; + + const DWARFAbbreviationDeclaration * + GetAbbreviationDeclarationPtr(SymbolFileDWARF *dwarf2Data, + const DWARFCompileUnit *cu, + lldb::offset_t &offset) const; + + dw_tag_t Tag() const { return m_tag; } + + bool IsNULL() const { return m_abbr_idx == 0; } + + dw_offset_t GetOffset() const { return m_offset; } + + void SetOffset(dw_offset_t offset) { m_offset = offset; } + + bool HasChildren() const { return m_has_children; } + + void SetHasChildren(bool b) { m_has_children = b; } + + // We know we are kept in a vector of contiguous entries, so we know + // our parent will be some index behind "this". + DWARFDebugInfoEntry *GetParent() { + return m_parent_idx > 0 ? this - m_parent_idx : NULL; + } + const DWARFDebugInfoEntry *GetParent() const { + return m_parent_idx > 0 ? this - m_parent_idx : NULL; + } + // We know we are kept in a vector of contiguous entries, so we know + // our sibling will be some index after "this". + DWARFDebugInfoEntry *GetSibling() { + return m_sibling_idx > 0 ? this + m_sibling_idx : NULL; + } + const DWARFDebugInfoEntry *GetSibling() const { + return m_sibling_idx > 0 ? this + m_sibling_idx : NULL; + } + // We know we are kept in a vector of contiguous entries, so we know + // we don't need to store our child pointer, if we have a child it will + // be the next entry in the list... + DWARFDebugInfoEntry *GetFirstChild() { + return (HasChildren() && !m_empty_children) ? this + 1 : NULL; + } + const DWARFDebugInfoEntry *GetFirstChild() const { + return (HasChildren() && !m_empty_children) ? this + 1 : NULL; + } + + void GetDeclContextDIEs(DWARFCompileUnit *cu, + DWARFDIECollection &decl_context_dies) const; + + void GetDWARFDeclContext(SymbolFileDWARF *dwarf2Data, DWARFCompileUnit *cu, + DWARFDeclContext &dwarf_decl_ctx) const; + + bool MatchesDWARFDeclContext(SymbolFileDWARF *dwarf2Data, + DWARFCompileUnit *cu, + const DWARFDeclContext &dwarf_decl_ctx) const; + + DWARFDIE GetParentDeclContextDIE(SymbolFileDWARF *dwarf2Data, + DWARFCompileUnit *cu) const; + DWARFDIE GetParentDeclContextDIE(SymbolFileDWARF *dwarf2Data, + DWARFCompileUnit *cu, + const DWARFAttributes &attributes) const; + + void SetParent(DWARFDebugInfoEntry *parent) { + if (parent) { + // We know we are kept in a vector of contiguous entries, so we know + // our parent will be some index behind "this". + m_parent_idx = this - parent; + } else + m_parent_idx = 0; + } + void SetSibling(DWARFDebugInfoEntry *sibling) { + if (sibling) { + // We know we are kept in a vector of contiguous entries, so we know + // our sibling will be some index after "this". + m_sibling_idx = sibling - this; + sibling->SetParent(GetParent()); + } else + m_sibling_idx = 0; + } + + void SetSiblingIndex(uint32_t idx) { m_sibling_idx = idx; } + + void SetParentIndex(uint32_t idx) { m_parent_idx = idx; } + + bool GetEmptyChildren() const { return m_empty_children; } + + void SetEmptyChildren(bool b) { m_empty_children = b; } + + static void + DumpDIECollection(lldb_private::Stream &strm, + DWARFDebugInfoEntry::collection &die_collection); - dw_offset_t m_offset; // Offset within the .debug_info of the start of this entry - uint32_t m_parent_idx; // How many to subtract from "this" to get the parent. If zero this die has no parent - uint32_t m_sibling_idx:31, // How many to add to "this" to get the sibling. - m_empty_children:1; // If a DIE says it had children, yet it just contained a NULL tag, this will be set. - uint32_t m_abbr_idx:DIE_ABBR_IDX_BITSIZE, - m_has_children:1, // Set to 1 if this DIE has children - m_tag:16; // A copy of the DW_TAG value so we don't have to go through the compile unit abbrev table +protected: + dw_offset_t + m_offset; // Offset within the .debug_info of the start of this entry + uint32_t m_parent_idx; // How many to subtract from "this" to get the parent. + // If zero this die has no parent + uint32_t m_sibling_idx : 31, // How many to add to "this" to get the sibling. + m_empty_children : 1; // If a DIE says it had children, yet it just + // contained a NULL tag, this will be set. + uint32_t m_abbr_idx : DIE_ABBR_IDX_BITSIZE, + m_has_children : 1, // Set to 1 if this DIE has children + m_tag : 16; // A copy of the DW_TAG value so we don't + // have to go through the compile unit + // abbrev table }; -#endif // SymbolFileDWARF_DWARFDebugInfoEntry_h_ +#endif // SymbolFileDWARF_DWARFDebugInfoEntry_h_ |
