64 lines
2 KiB
C++
64 lines
2 KiB
C++
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//===-- XtensaMCExpr.cpp - Xtensa specific MC expression classes ----------===//
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//
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// The LLVM Compiler Infrastructure
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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 contains the implementation of the assembly expression modifiers
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// accepted by the Xtensa architecture
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//
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//===----------------------------------------------------------------------===//
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#include "XtensaMCExpr.h"
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#include "llvm/MC/MCAssembler.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSymbolELF.h"
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#include "llvm/MC/MCValue.h"
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#include "llvm/Object/ELF.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace llvm;
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#define DEBUG_TYPE "xtensamcexpr"
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const XtensaMCExpr *XtensaMCExpr::create(const MCExpr *Expr, VariantKind Kind,
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MCContext &Ctx) {
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return new (Ctx) XtensaMCExpr(Expr, Kind);
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}
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void XtensaMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
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bool HasVariant = getKind() != VK_Xtensa_None;
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if (HasVariant)
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OS << '%' << getVariantKindName(getKind()) << '(';
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Expr->print(OS, MAI);
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if (HasVariant)
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OS << ')';
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}
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bool XtensaMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
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const MCAsmLayout *Layout,
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const MCFixup *Fixup) const {
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return getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup);
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}
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void XtensaMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
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Streamer.visitUsedExpr(*getSubExpr());
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}
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XtensaMCExpr::VariantKind XtensaMCExpr::getVariantKindForName(StringRef name) {
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return StringSwitch<XtensaMCExpr::VariantKind>(name).Default(
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VK_Xtensa_Invalid);
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}
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StringRef XtensaMCExpr::getVariantKindName(VariantKind Kind) {
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switch (Kind) {
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default:
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llvm_unreachable("Invalid ELF symbol kind");
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}
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}
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