void TargetLoweringObjectFile::Initialize(MCContext &ctx,
const TargetMachine &TM) {
Ctx = &ctx;
- DL = TM.getSubtargetImpl()->getDataLayout();
+ DL = TM.getDataLayout();
InitMCObjectFileInfo(TM.getTargetTriple(),
TM.getRelocationModel(), TM.getCodeModel(), *Ctx);
}
NameStr += DL->getPrivateGlobalPrefix();
TM.getNameWithPrefix(NameStr, GV, Mang);
NameStr.append(Suffix.begin(), Suffix.end());
- return Ctx->GetOrCreateSymbol(NameStr.str());
+ return Ctx->GetOrCreateSymbol(NameStr);
}
MCSymbol *TargetLoweringObjectFile::getCFIPersonalitySymbol(
// Otherwise, just drop it into a mergable constant section. If we have
// a section for this size, use it, otherwise use the arbitrary sized
// mergable section.
- switch (TM.getSubtargetImpl()->getDataLayout()->getTypeAllocSize(
- C->getType())) {
+ switch (TM.getDataLayout()->getTypeAllocSize(C->getType())) {
case 4: return SectionKind::getMergeableConst4();
case 8: return SectionKind::getMergeableConst8();
case 16: return SectionKind::getMergeableConst16();
- default: return SectionKind::getMergeableConst();
+ default:
+ return SectionKind::getReadOnly();
}
case Constant::LocalRelocation:
return SelectSectionForGlobal(GV, Kind, Mang, TM);
}
-bool TargetLoweringObjectFile::isSectionAtomizableBySymbols(
- const MCSection &Section) const {
- return false;
+const MCSection *TargetLoweringObjectFile::getSectionForJumpTable(
+ const Function &F, Mangler &Mang, const TargetMachine &TM) const {
+ return getSectionForConstant(SectionKind::getReadOnly(), /*C=*/nullptr);
}
+bool TargetLoweringObjectFile::shouldPutJumpTableInFunctionSection(
+ bool UsesLabelDifference, const Function &F) const {
+ // In PIC mode, we need to emit the jump table to the same section as the
+ // function body itself, otherwise the label differences won't make sense.
+ // FIXME: Need a better predicate for this: what about custom entries?
+ if (UsesLabelDifference)
+ return true;
+
+ // We should also do if the section name is NULL or function is declared
+ // in discardable section
+ // FIXME: this isn't the right predicate, should be based on the MCSection
+ // for the function.
+ if (F.isWeakForLinker())
+ return true;
+
+ return false;
+}
/// getSectionForConstant - Given a mergable constant with the
/// specified size and relocation information, return a section that it
// null return could mean 'no location' & we should just do that here.
return MCSymbolRefExpr::Create(Sym, *Ctx);
}
+
+void TargetLoweringObjectFile::getNameWithPrefix(
+ SmallVectorImpl<char> &OutName, const GlobalValue *GV,
+ bool CannotUsePrivateLabel, Mangler &Mang, const TargetMachine &TM) const {
+ Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
+}