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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"
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;
/// Flags - This is the Characteristics field of a section, drawn
/// from the enums below.
unsigned Flags;
private:
friend class MCContext;
MCSectionCOFF(StringRef Section, unsigned flags, SectionKind K)
: MCSection(K), SectionName(Section), Flags(flags) {
}
~MCSectionCOFF();
public:
/// ShouldOmitSectionDirective - Decides whether a '.section' directive
/// should be printed before the section name
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
/// Valid section flags.
enum {
IMAGE_SCN_TYPE_NO_PAD = 0x00000008,
IMAGE_SCN_CNT_CODE = 0x00000020,
IMAGE_SCN_CNT_INITIALIZED_DATA = 0x00000040,
IMAGE_SCN_CNT_UNINITIALIZED_DATA = 0x00000080,
IMAGE_SCN_LNK_OTHER = 0x00000100,
IMAGE_SCN_LNK_INFO = 0x00000200,
IMAGE_SCN_LNK_REMOVE = 0x00000800,
IMAGE_SCN_LNK_COMDAT = 0x00001000,
IMAGE_SCN_MEM_FARDATA = 0x00008000,
IMAGE_SCN_MEM_PURGEABLE = 0x00020000,
IMAGE_SCN_MEM_16BIT = 0x00020000,
IMAGE_SCN_MEM_LOCKED = 0x00040000,
IMAGE_SCN_MEM_PRELOAD = 0x00080000,
IMAGE_SCN_ALIGN_1BYTES = 0x00100000,
IMAGE_SCN_ALIGN_2BYTES = 0x00200000,
IMAGE_SCN_ALIGN_4BYTES = 0x00300000,
IMAGE_SCN_ALIGN_8BYTES = 0x00400000,
IMAGE_SCN_ALIGN_16BYTES = 0x00500000,
IMAGE_SCN_ALIGN_32BYTES = 0x00600000,
IMAGE_SCN_ALIGN_64BYTES = 0x00700000,
IMAGE_SCN_LNK_NRELOC_OVFL = 0x01000000,
IMAGE_SCN_MEM_DISCARDABLE = 0x02000000,
IMAGE_SCN_MEM_NOT_CACHED = 0x04000000,
IMAGE_SCN_MEM_NOT_PAGED = 0x08000000,
IMAGE_SCN_MEM_SHARED = 0x10000000,
IMAGE_SCN_MEM_EXECUTE = 0x20000000,
IMAGE_SCN_MEM_READ = 0x40000000,
IMAGE_SCN_MEM_WRITE = 0x80000000
};
StringRef getSectionName() const { return SectionName; }
unsigned getFlags() const { return Flags; }
virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS) const;
};
} // end namespace llvm
#endif
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