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);
// there, if needed.
SixteenByteConstantSection = 0;
- ReadOnlySection_ = getUnnamedSection("\t.const\n", SectionFlags::None);
+ ReadOnlySection = getUnnamedSection("\t.const\n", SectionFlags::None);
TextCoalSection =
getNamedSection("\t__TEXT,__textcoal_nt,coalesced,pure_instructions",
SectionFlags::Code);
- ConstDataCoalSection = getBamedSection("\t__DATA,__const_coal,coalesced",
+ 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 = getNamedSection("\t__DATA,__datacoal_nt,coalesced",
SectionFlags::Writeable);
+
+
+ // Common settings for all Darwin targets.
+ // Syntax:
+ GlobalPrefix = "_";
+ PrivateGlobalPrefix = "L";
+ LessPrivateGlobalPrefix = "l"; // Marker for some ObjC metadata
+ StringConstantPrefix = "\1LC";
+ NeedsSet = true;
+ NeedsIndirectEncoding = true;
+ AllowQuotesInName = true;
+ HasSingleParameterDotFile = false;
+
+ // In non-PIC modes, emit a special label before jump tables so that the
+ // linker can perform more accurate dead code stripping. We do not check the
+ // relocation model here since it can be overridden later.
+ JumpTableSpecialLabelPrefix = "l";
+
+ // Directives:
+ WeakDefDirective = "\t.weak_definition ";
+ WeakRefDirective = "\t.weak_reference ";
+ HiddenDirective = "\t.private_extern ";
+
+ // Sections:
+ CStringSection = "\t.cstring";
+ JumpTableDataSection = "\t.const\n";
+ BSSSection = 0;
+
+ if (TM.getRelocationModel() == Reloc::Static) {
+ StaticCtorsSection = ".constructor";
+ StaticDtorsSection = ".destructor";
+ } else {
+ StaticCtorsSection = ".mod_init_func";
+ StaticDtorsSection = ".mod_term_func";
+ }
+
+ DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
+ DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
+ DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
+ DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
+ DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
+ DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
+ DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
+ DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
+ DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
+ DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
+ DwarfMacroInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
}
/// emitUsedDirectiveFor - On Darwin, internally linked data beginning with
Mangler *Mang) const {
if (GV==0)
return false;
- if (GV->hasInternalLinkage() && !isa<Function>(GV) &&
+ if (GV->hasLocalLinkage() && !isa<Function>(GV) &&
((strlen(getPrivateGlobalPrefix()) != 0 &&
Mang->getValueName(GV).substr(0,strlen(getPrivateGlobalPrefix())) ==
getPrivateGlobalPrefix()) ||
DarwinTargetAsmInfo::SelectSectionForGlobal(const GlobalValue *GV) const {
SectionKind::Kind Kind = SectionKindForGlobal(GV);
bool isWeak = GV->isWeakForLinker();
- bool isNonStatic = (DTM->getRelocationModel() != Reloc::Static);
+ bool isNonStatic = TM.getRelocationModel() != Reloc::Static;
switch (Kind) {
case SectionKind::Text:
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<GlobalVariable>(GV)));
case SectionKind::RODataMergeConst:
return (isWeak ?
}
// 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<GlobalVariable>(GV)->getInitializer();
- const Type *Type = cast<ConstantArray>(C)->getType()->getElementType();
+ const Type *Ty = cast<ArrayType>(C->getType())->getElementType();
- unsigned Size = TD->getABITypeSize(Type);
+ unsigned Size = TD->getTypeAllocSize(Ty);
if (Size) {
- const TargetData *TD = DTM->getTargetData();
unsigned Align = TD->getPreferredAlignment(GV);
if (Align <= 32)
return getCStringSection_();
}
- return getReadOnlySection_();
+ return getReadOnlySection();
}
const Section*
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->getTypeAllocSize(Ty);
if (Size == 4)
return FourByteConstantSection;
else if (Size == 8)
else if (Size == 16 && SixteenByteConstantSection)
return SixteenByteConstantSection;
- return getReadOnlySection_();
+ return getReadOnlySection();
}
const Section*
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;