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[MC/ELFObjectWriter] Fix indentation of class body.
llvm-svn: 266136
This commit is contained in:
David Blaikie
parent
96a6a7cd40
commit
6ede1f45b4
@ -70,168 +70,167 @@ public:
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};
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class ELFObjectWriter : public MCObjectWriter {
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static bool isFixupKindPCRel(const MCAssembler &Asm, unsigned Kind);
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static uint64_t SymbolValue(const MCSymbol &Sym, const MCAsmLayout &Layout);
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static bool isInSymtab(const MCAsmLayout &Layout, const MCSymbolELF &Symbol,
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bool Used, bool Renamed);
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static bool isFixupKindPCRel(const MCAssembler &Asm, unsigned Kind);
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static uint64_t SymbolValue(const MCSymbol &Sym, const MCAsmLayout &Layout);
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static bool isInSymtab(const MCAsmLayout &Layout, const MCSymbolELF &Symbol,
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bool Used, bool Renamed);
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/// Helper struct for containing some precomputed information on symbols.
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struct ELFSymbolData {
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const MCSymbolELF *Symbol;
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uint32_t SectionIndex;
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StringRef Name;
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/// Helper struct for containing some precomputed information on symbols.
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struct ELFSymbolData {
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const MCSymbolELF *Symbol;
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uint32_t SectionIndex;
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StringRef Name;
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// Support lexicographic sorting.
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bool operator<(const ELFSymbolData &RHS) const {
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unsigned LHSType = Symbol->getType();
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unsigned RHSType = RHS.Symbol->getType();
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if (LHSType == ELF::STT_SECTION && RHSType != ELF::STT_SECTION)
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return false;
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if (LHSType != ELF::STT_SECTION && RHSType == ELF::STT_SECTION)
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return true;
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if (LHSType == ELF::STT_SECTION && RHSType == ELF::STT_SECTION)
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return SectionIndex < RHS.SectionIndex;
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return Name < RHS.Name;
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}
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};
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/// The target specific ELF writer instance.
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std::unique_ptr<MCELFObjectTargetWriter> TargetObjectWriter;
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DenseMap<const MCSymbolELF *, const MCSymbolELF *> Renames;
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llvm::DenseMap<const MCSectionELF *, std::vector<ELFRelocationEntry>>
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Relocations;
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/// @}
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/// @name Symbol Table Data
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/// @{
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BumpPtrAllocator Alloc;
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StringSaver VersionSymSaver{Alloc};
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StringTableBuilder StrTabBuilder{StringTableBuilder::ELF};
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/// @}
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// This holds the symbol table index of the last local symbol.
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unsigned LastLocalSymbolIndex;
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// This holds the .strtab section index.
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unsigned StringTableIndex;
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// This holds the .symtab section index.
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unsigned SymbolTableIndex;
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// Sections in the order they are to be output in the section table.
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std::vector<const MCSectionELF *> SectionTable;
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unsigned addToSectionTable(const MCSectionELF *Sec);
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// TargetObjectWriter wrappers.
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bool is64Bit() const { return TargetObjectWriter->is64Bit(); }
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bool hasRelocationAddend() const {
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return TargetObjectWriter->hasRelocationAddend();
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// Support lexicographic sorting.
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bool operator<(const ELFSymbolData &RHS) const {
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unsigned LHSType = Symbol->getType();
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unsigned RHSType = RHS.Symbol->getType();
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if (LHSType == ELF::STT_SECTION && RHSType != ELF::STT_SECTION)
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return false;
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if (LHSType != ELF::STT_SECTION && RHSType == ELF::STT_SECTION)
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return true;
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if (LHSType == ELF::STT_SECTION && RHSType == ELF::STT_SECTION)
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return SectionIndex < RHS.SectionIndex;
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return Name < RHS.Name;
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}
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unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
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const MCFixup &Fixup, bool IsPCRel) const {
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return TargetObjectWriter->getRelocType(Ctx, Target, Fixup, IsPCRel);
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}
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void align(unsigned Alignment);
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public:
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ELFObjectWriter(MCELFObjectTargetWriter *MOTW, raw_pwrite_stream &OS,
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bool IsLittleEndian)
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: MCObjectWriter(OS, IsLittleEndian), TargetObjectWriter(MOTW) {}
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void reset() override {
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Renames.clear();
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Relocations.clear();
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StrTabBuilder.clear();
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SectionTable.clear();
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MCObjectWriter::reset();
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}
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~ELFObjectWriter() override;
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void WriteWord(uint64_t W) {
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if (is64Bit())
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write64(W);
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else
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write32(W);
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}
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template <typename T> void write(T Val) {
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if (IsLittleEndian)
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support::endian::Writer<support::little>(getStream()).write(Val);
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else
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support::endian::Writer<support::big>(getStream()).write(Val);
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}
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void writeHeader(const MCAssembler &Asm);
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void writeSymbol(SymbolTableWriter &Writer, uint32_t StringIndex,
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ELFSymbolData &MSD, const MCAsmLayout &Layout);
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// Start and end offset of each section
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typedef std::map<const MCSectionELF *, std::pair<uint64_t, uint64_t>>
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SectionOffsetsTy;
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bool shouldRelocateWithSymbol(const MCAssembler &Asm,
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const MCSymbolRefExpr *RefA,
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const MCSymbol *Sym, uint64_t C,
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unsigned Type) const;
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void recordRelocation(MCAssembler &Asm, const MCAsmLayout &Layout,
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const MCFragment *Fragment, const MCFixup &Fixup,
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MCValue Target, bool &IsPCRel,
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uint64_t &FixedValue) override;
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// Map from a signature symbol to the group section index
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typedef DenseMap<const MCSymbol *, unsigned> RevGroupMapTy;
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/// Compute the symbol table data
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///
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/// \param Asm - The assembler.
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/// \param SectionIndexMap - Maps a section to its index.
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/// \param RevGroupMap - Maps a signature symbol to the group section.
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void computeSymbolTable(MCAssembler &Asm, const MCAsmLayout &Layout,
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const SectionIndexMapTy &SectionIndexMap,
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const RevGroupMapTy &RevGroupMap,
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SectionOffsetsTy &SectionOffsets);
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MCSectionELF *createRelocationSection(MCContext &Ctx,
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const MCSectionELF &Sec);
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const MCSectionELF *createStringTable(MCContext &Ctx);
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void executePostLayoutBinding(MCAssembler &Asm,
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const MCAsmLayout &Layout) override;
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void writeSectionHeader(const MCAsmLayout &Layout,
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const SectionIndexMapTy &SectionIndexMap,
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const SectionOffsetsTy &SectionOffsets);
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void writeSectionData(const MCAssembler &Asm, MCSection &Sec,
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const MCAsmLayout &Layout);
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void WriteSecHdrEntry(uint32_t Name, uint32_t Type, uint64_t Flags,
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uint64_t Address, uint64_t Offset, uint64_t Size,
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uint32_t Link, uint32_t Info, uint64_t Alignment,
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uint64_t EntrySize);
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void writeRelocations(const MCAssembler &Asm, const MCSectionELF &Sec);
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bool isSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
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const MCSymbol &SymA,
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const MCFragment &FB,
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bool InSet,
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bool IsPCRel) const override;
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bool isWeak(const MCSymbol &Sym) const override;
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void writeObject(MCAssembler &Asm, const MCAsmLayout &Layout) override;
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void writeSection(const SectionIndexMapTy &SectionIndexMap,
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uint32_t GroupSymbolIndex, uint64_t Offset, uint64_t Size,
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const MCSectionELF &Section);
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};
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/// The target specific ELF writer instance.
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std::unique_ptr<MCELFObjectTargetWriter> TargetObjectWriter;
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DenseMap<const MCSymbolELF *, const MCSymbolELF *> Renames;
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llvm::DenseMap<const MCSectionELF *, std::vector<ELFRelocationEntry>>
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Relocations;
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/// @}
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/// @name Symbol Table Data
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/// @{
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BumpPtrAllocator Alloc;
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StringSaver VersionSymSaver{Alloc};
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StringTableBuilder StrTabBuilder{StringTableBuilder::ELF};
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/// @}
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// This holds the symbol table index of the last local symbol.
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unsigned LastLocalSymbolIndex;
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// This holds the .strtab section index.
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unsigned StringTableIndex;
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// This holds the .symtab section index.
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unsigned SymbolTableIndex;
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// Sections in the order they are to be output in the section table.
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std::vector<const MCSectionELF *> SectionTable;
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unsigned addToSectionTable(const MCSectionELF *Sec);
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// TargetObjectWriter wrappers.
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bool is64Bit() const { return TargetObjectWriter->is64Bit(); }
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bool hasRelocationAddend() const {
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return TargetObjectWriter->hasRelocationAddend();
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}
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unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
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const MCFixup &Fixup, bool IsPCRel) const {
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return TargetObjectWriter->getRelocType(Ctx, Target, Fixup, IsPCRel);
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}
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void align(unsigned Alignment);
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public:
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ELFObjectWriter(MCELFObjectTargetWriter *MOTW, raw_pwrite_stream &OS,
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bool IsLittleEndian)
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: MCObjectWriter(OS, IsLittleEndian), TargetObjectWriter(MOTW) {}
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void reset() override {
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Renames.clear();
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Relocations.clear();
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StrTabBuilder.clear();
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SectionTable.clear();
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MCObjectWriter::reset();
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}
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~ELFObjectWriter() override;
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void WriteWord(uint64_t W) {
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if (is64Bit())
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write64(W);
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else
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write32(W);
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}
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template <typename T> void write(T Val) {
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if (IsLittleEndian)
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support::endian::Writer<support::little>(getStream()).write(Val);
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else
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support::endian::Writer<support::big>(getStream()).write(Val);
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}
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void writeHeader(const MCAssembler &Asm);
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void writeSymbol(SymbolTableWriter &Writer, uint32_t StringIndex,
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ELFSymbolData &MSD, const MCAsmLayout &Layout);
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// Start and end offset of each section
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typedef std::map<const MCSectionELF *, std::pair<uint64_t, uint64_t>>
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SectionOffsetsTy;
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bool shouldRelocateWithSymbol(const MCAssembler &Asm,
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const MCSymbolRefExpr *RefA,
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const MCSymbol *Sym, uint64_t C,
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unsigned Type) const;
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void recordRelocation(MCAssembler &Asm, const MCAsmLayout &Layout,
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const MCFragment *Fragment, const MCFixup &Fixup,
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MCValue Target, bool &IsPCRel,
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uint64_t &FixedValue) override;
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// Map from a signature symbol to the group section index
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typedef DenseMap<const MCSymbol *, unsigned> RevGroupMapTy;
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/// Compute the symbol table data
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///
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/// \param Asm - The assembler.
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/// \param SectionIndexMap - Maps a section to its index.
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/// \param RevGroupMap - Maps a signature symbol to the group section.
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void computeSymbolTable(MCAssembler &Asm, const MCAsmLayout &Layout,
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const SectionIndexMapTy &SectionIndexMap,
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const RevGroupMapTy &RevGroupMap,
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SectionOffsetsTy &SectionOffsets);
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MCSectionELF *createRelocationSection(MCContext &Ctx,
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const MCSectionELF &Sec);
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const MCSectionELF *createStringTable(MCContext &Ctx);
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void executePostLayoutBinding(MCAssembler &Asm,
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const MCAsmLayout &Layout) override;
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void writeSectionHeader(const MCAsmLayout &Layout,
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const SectionIndexMapTy &SectionIndexMap,
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const SectionOffsetsTy &SectionOffsets);
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void writeSectionData(const MCAssembler &Asm, MCSection &Sec,
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const MCAsmLayout &Layout);
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void WriteSecHdrEntry(uint32_t Name, uint32_t Type, uint64_t Flags,
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uint64_t Address, uint64_t Offset, uint64_t Size,
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uint32_t Link, uint32_t Info, uint64_t Alignment,
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uint64_t EntrySize);
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void writeRelocations(const MCAssembler &Asm, const MCSectionELF &Sec);
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bool isSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
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const MCSymbol &SymA,
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const MCFragment &FB, bool InSet,
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bool IsPCRel) const override;
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bool isWeak(const MCSymbol &Sym) const override;
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void writeObject(MCAssembler &Asm, const MCAsmLayout &Layout) override;
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void writeSection(const SectionIndexMapTy &SectionIndexMap,
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uint32_t GroupSymbolIndex, uint64_t Offset, uint64_t Size,
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const MCSectionELF &Section);
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};
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} // end anonymous namespace
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void ELFObjectWriter::align(unsigned Alignment) {
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