mutable MCSymbol *End;
protected:
- MCSection(SectionVariant V, SectionKind K, MCSymbol *Begin)
- : Begin(Begin), End(nullptr), Variant(V), Kind(K) {}
+ MCSection(SectionVariant V, SectionKind K, MCSymbol *Begin, bool Unique)
+ : Begin(Begin), End(nullptr), Variant(V), Kind(K), Unique(Unique) {}
SectionVariant Variant;
SectionKind Kind;
+ bool Unique;
public:
virtual ~MCSection();
MCSymbol *getBeginSymbol() const { return Begin; }
MCSymbol *getEndSymbol(MCContext &Ctx) const;
bool hasEnded() const;
+ bool isUnique() const { return Unique; }
virtual void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
const MCExpr *Subsection) const = 0;
MCSectionCOFF(StringRef Section, unsigned Characteristics,
MCSymbol *COMDATSymbol, int Selection, SectionKind K,
MCSymbol *Begin)
- : MCSection(SV_COFF, K, Begin), SectionName(Section),
+ : MCSection(SV_COFF, K, Begin, /*Unique*/ false), SectionName(Section),
Characteristics(Characteristics), COMDATSymbol(COMDATSymbol),
Selection(Selection) {
assert ((Characteristics & 0x00F00000) == 0 &&
/// below.
unsigned Flags;
- bool Unique;
-
/// EntrySize - The size of each entry in this section. This size only
/// makes sense for sections that contain fixed-sized entries. If a
/// section does not contain fixed-sized entries 'EntrySize' will be 0.
MCSectionELF(StringRef Section, unsigned type, unsigned flags, SectionKind K,
unsigned entrySize, const MCSymbol *group, bool Unique,
MCSymbol *Begin)
- : MCSection(SV_ELF, K, Begin), SectionName(Section), Type(type),
- Flags(flags), Unique(Unique), EntrySize(entrySize), Group(group) {}
+ : MCSection(SV_ELF, K, Begin, Unique), SectionName(Section), Type(type),
+ Flags(flags), EntrySize(entrySize), Group(group) {}
~MCSectionELF();
void setSectionName(StringRef Name) { SectionName = Name; }
MCSectionMachO::MCSectionMachO(StringRef Segment, StringRef Section,
unsigned TAA, unsigned reserved2, SectionKind K,
MCSymbol *Begin)
- : MCSection(SV_MachO, K, Begin), TypeAndAttributes(TAA),
+ : MCSection(SV_MachO, K, Begin, /*Unique*/ false), TypeAndAttributes(TAA),
Reserved2(reserved2) {
assert(Segment.size() <= 16 && Section.size() <= 16 &&
"Segment or section string too long");
MCSectionSubPair curSection = SectionStack.back().first;
SectionStack.back().second = curSection;
if (MCSectionSubPair(Section, Subsection) != curSection) {
+ const MCSection *CurSec = curSection.first;
+ if (CurSec && CurSec->isUnique()) {
+ MCSymbol *Sym = curSection.first->getEndSymbol(Context);
+ if (!Sym->isInSection())
+ EmitLabel(Sym);
+ }
SectionStack.back().first = MCSectionSubPair(Section, Subsection);
assert(!Section->hasEnded() && "Section already ended");
ChangeSection(Section, Subsection);
class NVPTXSection : public MCSection {
virtual void anchor();
public:
- NVPTXSection(SectionVariant V, SectionKind K) : MCSection(V, K, nullptr) {}
+ NVPTXSection(SectionVariant V, SectionKind K)
+ : MCSection(V, K, nullptr, /*Unique*/ false) {}
virtual ~NVPTXSection() {}
/// Override this as NVPTX has its own way of printing switching
; LINUX-SECTIONS-SHORT: .section .text,"axG",@progbits,F1,comdat
; LINUX-SECTIONS-SHORT: .size F1,
; LINUX-SECTIONS-SHORT-NEXT: .cfi_endproc
+; LINUX-SECTIONS-SHORT-NEXT: .Lsec_end0:
; LINUX-SECTIONS-SHORT-NEXT: .section .rodata,"aG",@progbits,F1,comdat
$G16 = comdat any