diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp new file mode 100644 index 0000000..e7d687e --- /dev/null +++ b/contrib/llvm/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp @@ -0,0 +1,82 @@ +//===-------- MipsELFStreamer.cpp - ELF Object Output ---------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "MipsELFStreamer.h" +#include "MipsTargetStreamer.h" +#include "llvm/MC/MCInst.h" +#include "llvm/MC/MCSymbolELF.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(); + + 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); + } + + createPendingLabelRelocs(); +} + +void MipsELFStreamer::createPendingLabelRelocs() { + MipsTargetELFStreamer *ELFTargetStreamer = + static_cast<MipsTargetELFStreamer *>(getTargetStreamer()); + + // FIXME: Also mark labels when in MIPS16 mode. + if (ELFTargetStreamer->isMicroMipsEnabled()) { + for (auto *L : Labels) { + auto *Label = cast<MCSymbolELF>(L); + getAssembler().registerSymbol(*Label); + Label->setOther(ELF::STO_MIPS_MICROMIPS); + } + } + + Labels.clear(); +} + +void MipsELFStreamer::EmitLabel(MCSymbol *Symbol) { + MCELFStreamer::EmitLabel(Symbol); + Labels.push_back(Symbol); +} + +void MipsELFStreamer::SwitchSection(MCSection *Section, + const MCExpr *Subsection) { + MCELFStreamer::SwitchSection(Section, Subsection); + Labels.clear(); +} + +void MipsELFStreamer::EmitValueImpl(const MCExpr *Value, unsigned Size, + SMLoc Loc) { + MCELFStreamer::EmitValueImpl(Value, Size, Loc); + Labels.clear(); +} + +void MipsELFStreamer::EmitMipsOptionRecords() { + for (const auto &I : MipsOptionRecords) + I->EmitMipsOptionRecord(); +} + +MCELFStreamer *llvm::createMipsELFStreamer(MCContext &Context, + MCAsmBackend &MAB, + raw_pwrite_stream &OS, + MCCodeEmitter *Emitter, + bool RelaxAll) { + return new MipsELFStreamer(Context, MAB, OS, Emitter); +} |