53 lines · cpp
1//===--------- AVRMCELFStreamer.cpp - AVR subclass of MCELFStreamer -------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file is a stub that parses a MCInst bundle and passes the10// instructions on to the real streamer.11//12//===----------------------------------------------------------------------===//13#include "MCTargetDesc/AVRMCELFStreamer.h"14#include "llvm/MC/MCContext.h"15#include "llvm/MC/MCExpr.h"16#include "llvm/MC/MCObjectWriter.h"17#include "llvm/MC/MCSymbol.h"18 19#define DEBUG_TYPE "avrmcelfstreamer"20 21using namespace llvm;22 23void AVRMCELFStreamer::emitValueForModiferKind(24 const MCSymbol *Sym, unsigned SizeInBytes, SMLoc Loc,25 AVRMCExpr::Specifier ModifierKind) {26 AVRMCExpr::Specifier Kind = AVR::S_AVR_NONE;27 if (ModifierKind == AVR::S_AVR_NONE) {28 Kind = AVR::S_DIFF8;29 if (SizeInBytes == SIZE_LONG)30 Kind = AVR::S_DIFF32;31 else if (SizeInBytes == SIZE_WORD)32 Kind = AVR::S_DIFF16;33 } else if (ModifierKind == AVR::S_LO8)34 Kind = AVR::S_LO8;35 else if (ModifierKind == AVR::S_HI8)36 Kind = AVR::S_HI8;37 else if (ModifierKind == AVR::S_HH8)38 Kind = AVR::S_HH8;39 MCELFStreamer::emitValue(MCSymbolRefExpr::create(Sym, Kind, getContext()),40 SizeInBytes, Loc);41}42 43namespace llvm {44MCStreamer *createAVRELFStreamer(Triple const &TT, MCContext &Context,45 std::unique_ptr<MCAsmBackend> MAB,46 std::unique_ptr<MCObjectWriter> OW,47 std::unique_ptr<MCCodeEmitter> CE) {48 return new AVRMCELFStreamer(Context, std::move(MAB), std::move(OW),49 std::move(CE));50}51 52} // end namespace llvm53