#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCSection.h"
-#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCSymbolELF.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/raw_ostream.h"
/// below.
unsigned Flags;
- bool Unique;
+ unsigned UniqueID;
/// 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.
unsigned EntrySize;
- const MCSymbol *Group;
+ const MCSymbolELF *Group;
+
+ /// Depending on the type of the section this is sh_link or sh_info.
+ const MCSectionELF *Associated;
private:
friend class MCContext;
MCSectionELF(StringRef Section, unsigned type, unsigned flags, SectionKind K,
- unsigned entrySize, const MCSymbol *group, bool Unique)
- : MCSection(SV_ELF, K), SectionName(Section), Type(type), Flags(flags),
- Unique(Unique), EntrySize(entrySize), Group(group) {}
- ~MCSectionELF();
+ unsigned entrySize, const MCSymbolELF *group, unsigned UniqueID,
+ MCSymbol *Begin, const MCSectionELF *Associated)
+ : MCSection(SV_ELF, K, Begin), SectionName(Section), Type(type),
+ Flags(flags), UniqueID(UniqueID), EntrySize(entrySize), Group(group),
+ Associated(Associated) {
+ if (Group)
+ Group->setIsSignature();
+ }
+ ~MCSectionELF() override;
void setSectionName(StringRef Name) { SectionName = Name; }
unsigned getType() const { return Type; }
unsigned getFlags() const { return Flags; }
unsigned getEntrySize() const { return EntrySize; }
- const MCSymbol *getGroup() const { return Group; }
+ const MCSymbolELF *getGroup() const { return Group; }
void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
const MCExpr *Subsection) const override;
bool UseCodeAlign() const override;
bool isVirtualSection() const override;
+ bool isUnique() const { return UniqueID != ~0U; }
+ unsigned getUniqueID() const { return UniqueID; }
+
+ const MCSectionELF *getAssociatedSection() const { return Associated; }
+
static bool classof(const MCSection *S) {
return S->getVariant() == SV_ELF;
}