#ifndef LLVM_MC_MCSECTIONELF_H
#define LLVM_MC_MCSECTIONELF_H
#include "llvm/ADT/StringRef.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ELF.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
class MCSymbol;
class MCSectionELF : public MCSection {
StringRef SectionName;
unsigned Type;
unsigned Flags;
unsigned EntrySize;
const MCSymbol *Group;
private:
friend class MCContext;
MCSectionELF(StringRef Section, unsigned type, unsigned flags,
SectionKind K, unsigned entrySize, const MCSymbol *group)
: MCSection(SV_ELF, K), SectionName(Section), Type(type), Flags(flags),
EntrySize(entrySize), Group(group) {}
~MCSectionELF();
public:
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
StringRef getSectionName() const { return SectionName; }
virtual std::string getLabelBeginName() const {
if (Group)
return (SectionName.str() + '_' + Group->getName() + "_begin").str();
return SectionName.str() + "_begin";
}
virtual std::string getLabelEndName() const {
if (Group)
return (SectionName.str() + '_' + Group->getName() + "_end").str();
return SectionName.str() + "_end";
}
unsigned getType() const { return Type; }
unsigned getFlags() const { return Flags; }
unsigned getEntrySize() const { return EntrySize; }
const MCSymbol *getGroup() const { return Group; }
void PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS,
const MCExpr *Subsection) const;
virtual bool UseCodeAlign() const;
virtual bool isVirtualSection() const;
virtual bool isBaseAddressKnownZero() const {
return (getFlags() & ELF::SHF_ALLOC) == 0;
}
static bool classof(const MCSection *S) {
return S->getVariant() == SV_ELF;
}
static unsigned DetermineEntrySize(SectionKind Kind);
};
}
#endif