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//===- MCSectionCOFF.h - COFF Machine Code Sections -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the MCSectionCOFF class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCSECTIONCOFF_H
#define LLVM_MC_MCSECTIONCOFF_H
#include "llvm/MC/MCSection.h"
#include "llvm/Support/COFF.h"
namespace llvm {
/// MCSectionCOFF - This represents a section on Windows
class MCSectionCOFF : public MCSection {
// The memory for this string is stored in the same MCContext as *this.
StringRef SectionName;
/// Characteristics - This is the Characteristics field of a section,
// drawn from the enums below.
unsigned Characteristics;
/// Selection - This is the Selection field for the section symbol, if
/// it is a COMDAT section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0
int Selection;
private:
friend class MCContext;
MCSectionCOFF(StringRef Section, unsigned Characteristics,
int Selection, SectionKind K)
: MCSection(SV_COFF, K), SectionName(Section),
Characteristics(Characteristics), Selection (Selection) {
assert ((Characteristics & 0x00F00000) == 0 &&
"alignment must not be set upon section creation");
}
~MCSectionCOFF();
public:
/// ShouldOmitSectionDirective - Decides whether a '.section' directive
/// should be printed before the section name
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
StringRef getSectionName() const { return SectionName; }
unsigned getCharacteristics() const { return Characteristics; }
int getSelection () const { return Selection; }
virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS) const;
virtual bool UseCodeAlign() const;
virtual bool isVirtualSection() const;
static bool classof(const MCSection *S) {
return S->getVariant() == SV_COFF;
}
static bool classof(const MCSectionCOFF *) { return true; }
};
} // end namespace llvm
#endif
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