X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FDarwinTargetAsmInfo.cpp;h=cc05c09c5170a1b401706e4317e49f11410b98de;hb=0a0e68a7eac0513505aff3079e2d5d6864e51895;hp=2fc1d28d2b6b82ec80ae9da9bd8fd3c11cf97c7c;hpb=d2e51af0358b571367a9f1e5175b87e9dd72edf8;p=oota-llvm.git diff --git a/lib/Target/DarwinTargetAsmInfo.cpp b/lib/Target/DarwinTargetAsmInfo.cpp index 2fc1d28d2b6..cc05c09c517 100644 --- a/lib/Target/DarwinTargetAsmInfo.cpp +++ b/lib/Target/DarwinTargetAsmInfo.cpp @@ -24,31 +24,32 @@ using namespace llvm; -DarwinTargetAsmInfo::DarwinTargetAsmInfo(const TargetMachine &TM) { - DTM = &TM; +DarwinTargetAsmInfo::DarwinTargetAsmInfo(const TargetMachine &TM) + : TargetAsmInfo(TM) { CStringSection_ = getUnnamedSection("\t.cstring", SectionFlags::Mergeable | SectionFlags::Strings); - FourByteConstantSection_ = getUnnamedSection("\t.literal4\n", + FourByteConstantSection = getUnnamedSection("\t.literal4\n", + SectionFlags::Mergeable); + EightByteConstantSection = getUnnamedSection("\t.literal8\n", SectionFlags::Mergeable); - EightByteConstantSection_ = getUnnamedSection("\t.literal8\n", - SectionFlags::Mergeable); // Note: 16-byte constant section is subtarget specific and should be provided - // there. + // there, if needed. + SixteenByteConstantSection = 0; - ReadOnlySection_ = getUnnamedSection("\t.const\n", SectionFlags::None); + ReadOnlySection = getUnnamedSection("\t.const\n", SectionFlags::None); - // FIXME: These should be named sections, really. TextCoalSection = - getUnnamedSection(".section __TEXT,__textcoal_nt,coalesced,pure_instructions", + getNamedSection("\t__TEXT,__textcoal_nt,coalesced,pure_instructions", SectionFlags::Code); - ConstDataCoalSection = - getUnnamedSection(".section __DATA,__const_coal,coalesced", - SectionFlags::None); + ConstTextCoalSection = getNamedSection("\t__TEXT,__const_coal,coalesced", + SectionFlags::None); + ConstDataCoalSection = getNamedSection("\t__DATA,__const_coal,coalesced", + SectionFlags::None); ConstDataSection = getUnnamedSection(".const_data", SectionFlags::None); - DataCoalSection = getUnnamedSection(".section __DATA,__datacoal_nt,coalesced", - SectionFlags::Writeable); + DataCoalSection = getNamedSection("\t__DATA,__datacoal_nt,coalesced", + SectionFlags::Writeable); } /// emitUsedDirectiveFor - On Darwin, internally linked data beginning with @@ -60,7 +61,7 @@ DarwinTargetAsmInfo::emitUsedDirectiveFor(const GlobalValue* GV, Mangler *Mang) const { if (GV==0) return false; - if (GV->hasInternalLinkage() && !isa(GV) && + if (GV->hasLocalLinkage() && !isa(GV) && ((strlen(getPrivateGlobalPrefix()) != 0 && Mang->getValueName(GV).substr(0,strlen(getPrivateGlobalPrefix())) == getPrivateGlobalPrefix()) || @@ -74,15 +75,15 @@ DarwinTargetAsmInfo::emitUsedDirectiveFor(const GlobalValue* GV, const Section* DarwinTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const { SectionKind::Kind Kind = SectionKindForGlobal(GV); - bool isWeak = GV->isWeakForLinker(); - bool isNonStatic = (DTM->getRelocationModel() != Reloc::Static); + bool isWeak = GV->mayBeOverridden(); + bool isNonStatic = TM.getRelocationModel() != Reloc::Static; switch (Kind) { case SectionKind::Text: if (isWeak) return TextCoalSection; else - return getTextSection_(); + return TextSection; case SectionKind::Data: case SectionKind::ThreadData: case SectionKind::BSS: @@ -90,13 +91,13 @@ DarwinTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const { if (cast(GV)->isConstant()) return (isWeak ? ConstDataCoalSection : ConstDataSection); else - return (isWeak ? DataCoalSection : getDataSection_()); + return (isWeak ? DataCoalSection : DataSection); case SectionKind::ROData: return (isWeak ? ConstDataCoalSection : - (isNonStatic ? ConstDataSection : getReadOnlySection_())); + (isNonStatic ? ConstDataSection : getReadOnlySection())); case SectionKind::RODataMergeStr: return (isWeak ? - ConstDataCoalSection : + ConstTextCoalSection : MergeableStringSection(cast(GV))); case SectionKind::RODataMergeConst: return (isWeak ? @@ -107,45 +108,45 @@ DarwinTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const { } // FIXME: Do we have any extra special weird cases? + return NULL; } const Section* DarwinTargetAsmInfo::MergeableStringSection(const GlobalVariable *GV) const { - const TargetData *TD = DTM->getTargetData(); + const TargetData *TD = TM.getTargetData(); Constant *C = cast(GV)->getInitializer(); - const Type *Type = cast(C)->getType()->getElementType(); + const Type *Ty = cast(C->getType())->getElementType(); - unsigned Size = TD->getABITypeSize(Type); + unsigned Size = TD->getTypePaddedSize(Ty); if (Size) { - const TargetData *TD = DTM->getTargetData(); unsigned Align = TD->getPreferredAlignment(GV); if (Align <= 32) return getCStringSection_(); } - return getReadOnlySection_(); + return getReadOnlySection(); } const Section* DarwinTargetAsmInfo::MergeableConstSection(const GlobalVariable *GV) const { - Constant *C = cast(GV)->getInitializer(); + Constant *C = GV->getInitializer(); return MergeableConstSection(C->getType()); } inline const Section* DarwinTargetAsmInfo::MergeableConstSection(const Type *Ty) const { - const TargetData *TD = DTM->getTargetData(); + const TargetData *TD = TM.getTargetData(); - unsigned Size = TD->getABITypeSize(Ty); + unsigned Size = TD->getTypePaddedSize(Ty); if (Size == 4) - return FourByteConstantSection_; + return FourByteConstantSection; else if (Size == 8) - return EightByteConstantSection_; - else if (Size == 16 && SixteenByteConstantSection_) - return SixteenByteConstantSection_; + return EightByteConstantSection; + else if (Size == 16 && SixteenByteConstantSection) + return SixteenByteConstantSection; - return getReadOnlySection_(); + return getReadOnlySection(); } const Section* @@ -153,8 +154,8 @@ DarwinTargetAsmInfo::SelectSectionForMachineConst(const Type *Ty) const { const Section* S = MergeableConstSection(Ty); // Handle weird special case, when compiling PIC stuff. - if (S == getReadOnlySection_() && - DTM->getRelocationModel() != Reloc::Static) + if (S == getReadOnlySection() && + TM.getRelocationModel() != Reloc::Static) return ConstDataSection; return S;