diff options
Diffstat (limited to 'contrib/llvm/lib/DebugInfo/DWARFContext.h')
| -rw-r--r-- | contrib/llvm/lib/DebugInfo/DWARFContext.h | 182 |
1 files changed, 113 insertions, 69 deletions
diff --git a/contrib/llvm/lib/DebugInfo/DWARFContext.h b/contrib/llvm/lib/DebugInfo/DWARFContext.h index 03863ab8b1e2..6d1ae921cec5 100644 --- a/contrib/llvm/lib/DebugInfo/DWARFContext.h +++ b/contrib/llvm/lib/DebugInfo/DWARFContext.h @@ -17,7 +17,7 @@ #include "DWARFDebugLoc.h" #include "DWARFDebugRangeList.h" #include "DWARFTypeUnit.h" -#include "llvm/ADT/OwningPtr.h" +#include "llvm/ADT/MapVector.h" #include "llvm/ADT/SmallVector.h" #include "llvm/DebugInfo/DIContext.h" @@ -28,30 +28,41 @@ namespace llvm { /// information parsing. The actual data is supplied through pure virtual /// methods that a concrete implementation provides. class DWARFContext : public DIContext { - SmallVector<DWARFCompileUnit *, 1> CUs; - SmallVector<DWARFTypeUnit *, 1> TUs; - OwningPtr<DWARFDebugAbbrev> Abbrev; - OwningPtr<DWARFDebugLoc> Loc; - OwningPtr<DWARFDebugAranges> Aranges; - OwningPtr<DWARFDebugLine> Line; - OwningPtr<DWARFDebugFrame> DebugFrame; - - SmallVector<DWARFCompileUnit *, 1> DWOCUs; - OwningPtr<DWARFDebugAbbrev> AbbrevDWO; + typedef SmallVector<std::unique_ptr<DWARFCompileUnit>, 1> CUVector; + typedef SmallVector<std::unique_ptr<DWARFTypeUnit>, 1> TUVector; + + CUVector CUs; + TUVector TUs; + std::unique_ptr<DWARFDebugAbbrev> Abbrev; + std::unique_ptr<DWARFDebugLoc> Loc; + std::unique_ptr<DWARFDebugAranges> Aranges; + std::unique_ptr<DWARFDebugLine> Line; + std::unique_ptr<DWARFDebugFrame> DebugFrame; + + CUVector DWOCUs; + TUVector DWOTUs; + std::unique_ptr<DWARFDebugAbbrev> AbbrevDWO; + std::unique_ptr<DWARFDebugLocDWO> LocDWO; DWARFContext(DWARFContext &) LLVM_DELETED_FUNCTION; DWARFContext &operator=(DWARFContext &) LLVM_DELETED_FUNCTION; - /// Read compile units from the debug_info section and store them in CUs. + /// Read compile units from the debug_info section (if necessary) + /// and store them in CUs. void parseCompileUnits(); - /// Read type units from the debug_types sections and store them in CUs. + /// Read type units from the debug_types sections (if necessary) + /// and store them in TUs. void parseTypeUnits(); - /// Read compile units from the debug_info.dwo section and store them in - /// DWOCUs. + /// Read compile units from the debug_info.dwo section (if necessary) + /// and store them in DWOCUs. void parseDWOCompileUnits(); + /// Read type units from the debug_types.dwo section (if necessary) + /// and store them in DWOTUs. + void parseDWOTypeUnits(); + public: struct Section { StringRef Data; @@ -59,54 +70,74 @@ public: }; DWARFContext() : DIContext(CK_DWARF) {} - virtual ~DWARFContext(); static bool classof(const DIContext *DICtx) { return DICtx->getKind() == CK_DWARF; } - virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All); + void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All) override; + + typedef iterator_range<CUVector::iterator> cu_iterator_range; + typedef iterator_range<TUVector::iterator> tu_iterator_range; + + /// Get compile units in this context. + cu_iterator_range compile_units() { + parseCompileUnits(); + return cu_iterator_range(CUs.begin(), CUs.end()); + } + + /// Get type units in this context. + tu_iterator_range type_units() { + parseTypeUnits(); + return tu_iterator_range(TUs.begin(), TUs.end()); + } + + /// Get compile units in the DWO context. + cu_iterator_range dwo_compile_units() { + parseDWOCompileUnits(); + return cu_iterator_range(DWOCUs.begin(), DWOCUs.end()); + } + + /// Get type units in the DWO context. + tu_iterator_range dwo_type_units() { + parseDWOTypeUnits(); + return tu_iterator_range(DWOTUs.begin(), DWOTUs.end()); + } /// Get the number of compile units in this context. unsigned getNumCompileUnits() { - if (CUs.empty()) - parseCompileUnits(); + parseCompileUnits(); return CUs.size(); } /// Get the number of compile units in this context. unsigned getNumTypeUnits() { - if (TUs.empty()) - parseTypeUnits(); + parseTypeUnits(); return TUs.size(); } /// Get the number of compile units in the DWO context. unsigned getNumDWOCompileUnits() { - if (DWOCUs.empty()) - parseDWOCompileUnits(); + parseDWOCompileUnits(); return DWOCUs.size(); } - /// Get the compile unit at the specified index for this compile unit. - DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) { - if (CUs.empty()) - parseCompileUnits(); - return CUs[index]; + /// Get the number of compile units in the DWO context. + unsigned getNumDWOTypeUnits() { + parseDWOTypeUnits(); + return DWOTUs.size(); } - /// Get the type unit at the specified index for this compile unit. - DWARFTypeUnit *getTypeUnitAtIndex(unsigned index) { - if (TUs.empty()) - parseTypeUnits(); - return TUs[index]; + /// Get the compile unit at the specified index for this compile unit. + DWARFCompileUnit *getCompileUnitAtIndex(unsigned index) { + parseCompileUnits(); + return CUs[index].get(); } /// Get the compile unit at the specified index for the DWO compile units. DWARFCompileUnit *getDWOCompileUnitAtIndex(unsigned index) { - if (DWOCUs.empty()) - parseDWOCompileUnits(); - return DWOCUs[index]; + parseDWOCompileUnits(); + return DWOCUs[index].get(); } /// Get a pointer to the parsed DebugAbbrev object. @@ -118,6 +149,9 @@ public: /// Get a pointer to the parsed dwo abbreviations object. const DWARFDebugAbbrev *getDebugAbbrevDWO(); + /// Get a pointer to the parsed DebugLoc object. + const DWARFDebugLocDWO *getDebugLocDWO(); + /// Get a pointer to the parsed DebugAranges object. const DWARFDebugAranges *getDebugAranges(); @@ -128,22 +162,26 @@ public: const DWARFDebugLine::LineTable * getLineTableForCompileUnit(DWARFCompileUnit *cu); - virtual DILineInfo getLineInfoForAddress(uint64_t Address, - DILineInfoSpecifier Specifier = DILineInfoSpecifier()); - virtual DILineInfoTable getLineInfoForAddressRange(uint64_t Address, - uint64_t Size, DILineInfoSpecifier Specifier = DILineInfoSpecifier()); - virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address, - DILineInfoSpecifier Specifier = DILineInfoSpecifier()); + DILineInfo getLineInfoForAddress(uint64_t Address, + DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override; + DILineInfoTable getLineInfoForAddressRange(uint64_t Address, uint64_t Size, + DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override; + DIInliningInfo getInliningInfoForAddress(uint64_t Address, + DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override; virtual bool isLittleEndian() const = 0; virtual uint8_t getAddressSize() const = 0; virtual const Section &getInfoSection() = 0; - virtual const std::map<object::SectionRef, Section> &getTypesSections() = 0; + typedef MapVector<object::SectionRef, Section, + std::map<object::SectionRef, unsigned> > TypeSectionMap; + virtual const TypeSectionMap &getTypesSections() = 0; virtual StringRef getAbbrevSection() = 0; virtual const Section &getLocSection() = 0; + virtual const Section &getLocDWOSection() = 0; virtual StringRef getARangeSection() = 0; virtual StringRef getDebugFrameSection() = 0; virtual const Section &getLineSection() = 0; + virtual const Section &getLineDWOSection() = 0; virtual StringRef getStringSection() = 0; virtual StringRef getRangeSection() = 0; virtual StringRef getPubNamesSection() = 0; @@ -153,6 +191,7 @@ public: // Sections for DWARF5 split dwarf proposal. virtual const Section &getInfoDWOSection() = 0; + virtual const TypeSectionMap &getTypesDWOSections() = 0; virtual StringRef getAbbrevDWOSection() = 0; virtual StringRef getStringDWOSection() = 0; virtual StringRef getStringOffsetDWOSection() = 0; @@ -179,12 +218,14 @@ class DWARFContextInMemory : public DWARFContext { bool IsLittleEndian; uint8_t AddressSize; Section InfoSection; - std::map<object::SectionRef, Section> TypesSections; + TypeSectionMap TypesSections; StringRef AbbrevSection; Section LocSection; + Section LocDWOSection; StringRef ARangeSection; StringRef DebugFrameSection; Section LineSection; + Section LineDWOSection; StringRef StringSection; StringRef RangeSection; StringRef PubNamesSection; @@ -194,44 +235,47 @@ class DWARFContextInMemory : public DWARFContext { // Sections for DWARF5 split dwarf proposal. Section InfoDWOSection; + TypeSectionMap TypesDWOSections; StringRef AbbrevDWOSection; StringRef StringDWOSection; StringRef StringOffsetDWOSection; StringRef RangeDWOSection; StringRef AddrSection; - SmallVector<MemoryBuffer*, 4> UncompressedSections; + SmallVector<SmallString<32>, 4> UncompressedSections; public: DWARFContextInMemory(object::ObjectFile *); - ~DWARFContextInMemory(); - virtual bool isLittleEndian() const { return IsLittleEndian; } - virtual uint8_t getAddressSize() const { return AddressSize; } - virtual const Section &getInfoSection() { return InfoSection; } - virtual const std::map<object::SectionRef, Section> &getTypesSections() { - return TypesSections; - } - virtual StringRef getAbbrevSection() { return AbbrevSection; } - virtual const Section &getLocSection() { return LocSection; } - virtual StringRef getARangeSection() { return ARangeSection; } - virtual StringRef getDebugFrameSection() { return DebugFrameSection; } - virtual const Section &getLineSection() { return LineSection; } - virtual StringRef getStringSection() { return StringSection; } - virtual StringRef getRangeSection() { return RangeSection; } - virtual StringRef getPubNamesSection() { return PubNamesSection; } - virtual StringRef getPubTypesSection() { return PubTypesSection; } - virtual StringRef getGnuPubNamesSection() { return GnuPubNamesSection; } - virtual StringRef getGnuPubTypesSection() { return GnuPubTypesSection; } + bool isLittleEndian() const override { return IsLittleEndian; } + uint8_t getAddressSize() const override { return AddressSize; } + const Section &getInfoSection() override { return InfoSection; } + const TypeSectionMap &getTypesSections() override { return TypesSections; } + StringRef getAbbrevSection() override { return AbbrevSection; } + const Section &getLocSection() override { return LocSection; } + const Section &getLocDWOSection() override { return LocDWOSection; } + StringRef getARangeSection() override { return ARangeSection; } + StringRef getDebugFrameSection() override { return DebugFrameSection; } + const Section &getLineSection() override { return LineSection; } + const Section &getLineDWOSection() override { return LineDWOSection; } + StringRef getStringSection() override { return StringSection; } + StringRef getRangeSection() override { return RangeSection; } + StringRef getPubNamesSection() override { return PubNamesSection; } + StringRef getPubTypesSection() override { return PubTypesSection; } + StringRef getGnuPubNamesSection() override { return GnuPubNamesSection; } + StringRef getGnuPubTypesSection() override { return GnuPubTypesSection; } // Sections for DWARF5 split dwarf proposal. - virtual const Section &getInfoDWOSection() { return InfoDWOSection; } - virtual StringRef getAbbrevDWOSection() { return AbbrevDWOSection; } - virtual StringRef getStringDWOSection() { return StringDWOSection; } - virtual StringRef getStringOffsetDWOSection() { + const Section &getInfoDWOSection() override { return InfoDWOSection; } + const TypeSectionMap &getTypesDWOSections() override { + return TypesDWOSections; + } + StringRef getAbbrevDWOSection() override { return AbbrevDWOSection; } + StringRef getStringDWOSection() override { return StringDWOSection; } + StringRef getStringOffsetDWOSection() override { return StringOffsetDWOSection; } - virtual StringRef getRangeDWOSection() { return RangeDWOSection; } - virtual StringRef getAddrSection() { + StringRef getRangeDWOSection() override { return RangeDWOSection; } + StringRef getAddrSection() override { return AddrSection; } }; |