diff options
Diffstat (limited to 'lib/MC/MCELFStreamer.cpp')
| -rw-r--r-- | lib/MC/MCELFStreamer.cpp | 52 |
1 files changed, 9 insertions, 43 deletions
diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp index 2d342dc..14fbc1e 100644 --- a/lib/MC/MCELFStreamer.cpp +++ b/lib/MC/MCELFStreamer.cpp @@ -98,17 +98,13 @@ public: uint64_t Size, unsigned ByteAlignment = 0) { llvm_unreachable("ELF doesn't support this directive"); } - virtual void EmitBytes(StringRef Data, unsigned AddrSpace); - virtual void EmitValueToAlignment(unsigned ByteAlignment, int64_t Value = 0, - unsigned ValueSize = 1, - unsigned MaxBytesToEmit = 0); - virtual void EmitCodeAlignment(unsigned ByteAlignment, - unsigned MaxBytesToEmit = 0); virtual void EmitValueImpl(const MCExpr *Value, unsigned Size, unsigned AddrSpace); virtual void EmitFileDirective(StringRef Filename); + virtual void EmitTCEntry(const MCSymbol &S); + virtual void FinishImpl(); private: @@ -247,7 +243,6 @@ void MCELFStreamer::EmitSymbolAttribute(MCSymbol *Symbol, switch (Attribute) { case MCSA_LazyReference: case MCSA_Reference: - case MCSA_NoDeadStrip: case MCSA_SymbolResolver: case MCSA_PrivateExtern: case MCSA_WeakDefinition: @@ -256,6 +251,7 @@ void MCELFStreamer::EmitSymbolAttribute(MCSymbol *Symbol, case MCSA_IndirectSymbol: llvm_unreachable("Invalid symbol attribute for ELF!"); + case MCSA_NoDeadStrip: case MCSA_ELF_TypeGnuUniqueObject: // Ignore for now. break; @@ -355,42 +351,6 @@ void MCELFStreamer::EmitLocalCommonSymbol(MCSymbol *Symbol, uint64_t Size, EmitCommonSymbol(Symbol, Size, ByteAlignment); } -void MCELFStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) { - // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into - // MCObjectStreamer. - getOrCreateDataFragment()->getContents().append(Data.begin(), Data.end()); -} - -void MCELFStreamer::EmitValueToAlignment(unsigned ByteAlignment, - int64_t Value, unsigned ValueSize, - unsigned MaxBytesToEmit) { - // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into - // MCObjectStreamer. - if (MaxBytesToEmit == 0) - MaxBytesToEmit = ByteAlignment; - new MCAlignFragment(ByteAlignment, Value, ValueSize, MaxBytesToEmit, - getCurrentSectionData()); - - // Update the maximum alignment on the current section if necessary. - if (ByteAlignment > getCurrentSectionData()->getAlignment()) - getCurrentSectionData()->setAlignment(ByteAlignment); -} - -void MCELFStreamer::EmitCodeAlignment(unsigned ByteAlignment, - unsigned MaxBytesToEmit) { - // TODO: This is exactly the same as WinCOFFStreamer. Consider merging into - // MCObjectStreamer. - if (MaxBytesToEmit == 0) - MaxBytesToEmit = ByteAlignment; - MCAlignFragment *F = new MCAlignFragment(ByteAlignment, 0, 1, MaxBytesToEmit, - getCurrentSectionData()); - F->setEmitNops(true); - - // Update the maximum alignment on the current section if necessary. - if (ByteAlignment > getCurrentSectionData()->getAlignment()) - getCurrentSectionData()->setAlignment(ByteAlignment); -} - void MCELFStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size, unsigned AddrSpace) { fixSymbolsInTLSFixups(Value); @@ -511,6 +471,12 @@ void MCELFStreamer::FinishImpl() { this->MCObjectStreamer::FinishImpl(); } +void MCELFStreamer::EmitTCEntry(const MCSymbol &S) +{ + // Creates a R_PPC64_TOC relocation + MCObjectStreamer::EmitSymbolValue(&S, 8, 0); +} + MCStreamer *llvm::createELFStreamer(MCContext &Context, MCAsmBackend &MAB, raw_ostream &OS, MCCodeEmitter *CE, bool RelaxAll, bool NoExecStack) { |
