77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
//===-- Nios2MCExpr.cpp - Nios2 specific MC expression classes ------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "Nios2.h"
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#include "Nios2MCExpr.h"
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#include "llvm/MC/MCAsmInfo.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/MCObjectStreamer.h"
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#include "llvm/MC/MCSymbolELF.h"
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using namespace llvm;
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#define DEBUG_TYPE "nios2mcexpr"
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const Nios2MCExpr *Nios2MCExpr::create(Nios2MCExpr::Nios2ExprKind Kind,
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const MCExpr *Expr, MCContext &Ctx) {
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return new (Ctx) Nios2MCExpr(Kind, Expr);
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}
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const Nios2MCExpr *Nios2MCExpr::create(const MCSymbol *Symbol,
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Nios2MCExpr::Nios2ExprKind Kind,
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MCContext &Ctx) {
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const MCSymbolRefExpr *MCSym =
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MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
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return new (Ctx) Nios2MCExpr(Kind, MCSym);
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}
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void Nios2MCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
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switch (Kind) {
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case CEK_None:
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case CEK_Special:
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llvm_unreachable("CEK_None and CEK_Special are invalid");
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break;
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case CEK_ABS_HI:
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OS << "%hiadj";
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break;
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case CEK_ABS_LO:
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OS << "%lo";
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break;
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}
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OS << '(';
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Expr->print(OS, MAI, true);
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OS << ')';
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}
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bool Nios2MCExpr::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 Nios2MCExpr::visitUsedExpr(MCStreamer &Streamer) const {
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Streamer.visitUsedExpr(*getSubExpr());
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}
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void Nios2MCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
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switch (getKind()) {
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case CEK_None:
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case CEK_Special:
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llvm_unreachable("CEK_None and CEK_Special are invalid");
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break;
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case CEK_ABS_HI:
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case CEK_ABS_LO:
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break;
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}
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}
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