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53 lines
2.1 KiB
53 lines
2.1 KiB
4 months ago
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//===--------- AVRMCELFStreamer.cpp - AVR subclass of MCELFStreamer -------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a stub that parses a MCInst bundle and passes the
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// instructions on to the real streamer.
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//
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//===----------------------------------------------------------------------===//
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#define DEBUG_TYPE "avrmcelfstreamer"
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#include "MCTargetDesc/AVRMCELFStreamer.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCSymbol.h"
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#include "llvm/MC/MCObjectWriter.h"
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using namespace llvm;
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void AVRMCELFStreamer::emitValueForModiferKind(
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const MCSymbol *Sym, unsigned SizeInBytes, SMLoc Loc,
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AVRMCExpr::VariantKind ModifierKind) {
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MCSymbolRefExpr::VariantKind Kind = MCSymbolRefExpr::VK_AVR_NONE;
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if (ModifierKind == AVRMCExpr::VK_AVR_None) {
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Kind = MCSymbolRefExpr::VK_AVR_DIFF8;
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if (SizeInBytes == SIZE_LONG)
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Kind = MCSymbolRefExpr::VK_AVR_DIFF32;
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else if (SizeInBytes == SIZE_WORD)
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Kind = MCSymbolRefExpr::VK_AVR_DIFF16;
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} else if (ModifierKind == AVRMCExpr::VK_AVR_LO8)
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Kind = MCSymbolRefExpr::VK_AVR_LO8;
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else if (ModifierKind == AVRMCExpr::VK_AVR_HI8)
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Kind = MCSymbolRefExpr::VK_AVR_HI8;
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else if (ModifierKind == AVRMCExpr::VK_AVR_HH8)
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Kind = MCSymbolRefExpr::VK_AVR_HLO8;
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MCELFStreamer::emitValue(MCSymbolRefExpr::create(Sym, Kind, getContext()),
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SizeInBytes, Loc);
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}
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namespace llvm {
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MCStreamer *createAVRELFStreamer(Triple const &TT, MCContext &Context,
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std::unique_ptr<MCAsmBackend> MAB,
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std::unique_ptr<MCObjectWriter> OW,
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std::unique_ptr<MCCodeEmitter> CE) {
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return new AVRMCELFStreamer(Context, std::move(MAB), std::move(OW),
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std::move(CE));
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}
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} // end namespace llvm
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