diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.h')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.h | 54 | 
1 files changed, 54 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.h b/contrib/llvm-project/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.h new file mode 100644 index 000000000000..51863232d071 --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/PowerPC/MCTargetDesc/PPCELFStreamer.h @@ -0,0 +1,54 @@ +//===- PPCELFStreamer.h - ELF Object Output --------------------*- C++ -*-===// +// +//                     The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This is a custom MCELFStreamer for PowerPC. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_LIB_TARGET_PPC_MCELFSTREAMER_PPCELFSTREAMER_H +#define LLVM_LIB_TARGET_PPC_MCELFSTREAMER_PPCELFSTREAMER_H + +#include "llvm/ADT/SmallVector.h" +#include "llvm/MC/MCELFStreamer.h" +#include <memory> + +namespace llvm { + +class MCAsmBackend; +class MCCodeEmitter; +class MCContext; +class MCSubtargetInfo; + +class PPCELFStreamer : public MCELFStreamer { +  // We need to keep track of the last label we emitted (only one) because +  // depending on whether the label is on the same line as an aligned +  // instruction or not, the label may refer to the instruction or the nop. +  MCSymbol *LastLabel; +  SMLoc LastLabelLoc; + +public: +  PPCELFStreamer(MCContext &Context, std::unique_ptr<MCAsmBackend> MAB, +                 std::unique_ptr<MCObjectWriter> OW, +                 std::unique_ptr<MCCodeEmitter> Emitter); + +  void emitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override; + +  // EmitLabel updates LastLabel and LastLabelLoc when a new label is emitted. +  void emitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override; +private: +  void emitPrefixedInstruction(const MCInst &Inst, const MCSubtargetInfo &STI); +}; + +MCELFStreamer *createPPCELFStreamer(MCContext &Context, +                                    std::unique_ptr<MCAsmBackend> MAB, +                                    std::unique_ptr<MCObjectWriter> OW, +                                    std::unique_ptr<MCCodeEmitter> Emitter); +} // end namespace llvm + +#endif // LLVM_LIB_TARGET_PPC_MCELFSTREAMER_PPCELFSTREAMER_H  | 
