diff options
Diffstat (limited to 'lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp')
-rw-r--r-- | lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp index fe37829..18c4a20 100644 --- a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp +++ b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp @@ -8,12 +8,72 @@ //===----------------------------------------------------------------------===// #include "MipsELFStreamer.h" +#include "MipsTargetStreamer.h" +#include "llvm/MC/MCELF.h" +#include "llvm/MC/MCInst.h" +#include "llvm/Support/ELF.h" + +using namespace llvm; + +void MipsELFStreamer::EmitInstruction(const MCInst &Inst, + const MCSubtargetInfo &STI) { + MCELFStreamer::EmitInstruction(Inst, STI); + + MCContext &Context = getContext(); + const MCRegisterInfo *MCRegInfo = Context.getRegisterInfo(); + MipsTargetELFStreamer *ELFTargetStreamer = + static_cast<MipsTargetELFStreamer *>(getTargetStreamer()); + + for (unsigned OpIndex = 0; OpIndex < Inst.getNumOperands(); ++OpIndex) { + const MCOperand &Op = Inst.getOperand(OpIndex); + + if (!Op.isReg()) + continue; + + unsigned Reg = Op.getReg(); + RegInfoRecord->SetPhysRegUsed(Reg, MCRegInfo); + } + + if (ELFTargetStreamer->isMicroMipsEnabled()) { + for (auto Label : Labels) { + MCSymbolData &Data = getOrCreateSymbolData(Label); + // The "other" values are stored in the last 6 bits of the second byte. + // The traditional defines for STO values assume the full byte and thus + // the shift to pack it. + MCELF::setOther(Data, ELF::STO_MIPS_MICROMIPS >> 2); + } + } + + Labels.clear(); +} + +void MipsELFStreamer::EmitLabel(MCSymbol *Symbol) { + MCELFStreamer::EmitLabel(Symbol); + Labels.push_back(Symbol); +} + +void MipsELFStreamer::SwitchSection(const MCSection * Section, + const MCExpr *Subsection) { + MCELFStreamer::SwitchSection(Section, Subsection); + Labels.clear(); +} + +void MipsELFStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size, + const SMLoc &Loc) { + MCELFStreamer::EmitValueImpl(Value, Size, Loc); + Labels.clear(); +} + +void MipsELFStreamer::EmitMipsOptionRecords() { + for (const auto &I : MipsOptionRecords) + I->EmitMipsOptionRecord(); +} namespace llvm { MCELFStreamer *createMipsELFStreamer(MCContext &Context, MCAsmBackend &MAB, raw_ostream &OS, MCCodeEmitter *Emitter, - const MCSubtargetInfo &STI, bool RelaxAll, - bool NoExecStack) { + const MCSubtargetInfo &STI, + bool RelaxAll) { return new MipsELFStreamer(Context, MAB, OS, Emitter, STI); } } |