1
//===- MCSectionCOFF.h - COFF Machine Code Sections -------------*- C++ -*-===//
3
// The LLVM Compiler Infrastructure
5
// This file is distributed under the University of Illinois Open Source
6
// License. See LICENSE.TXT for details.
8
//===----------------------------------------------------------------------===//
10
// This file declares the MCSectionCOFF class.
12
//===----------------------------------------------------------------------===//
14
#ifndef LLVM_MC_MCSECTIONCOFF_H
15
#define LLVM_MC_MCSECTIONCOFF_H
17
#include "llvm/MC/MCSection.h"
19
#include "llvm/Support/COFF.h"
23
/// MCSectionCOFF - This represents a section on Windows
24
class MCSectionCOFF : public MCSection {
25
// The memory for this string is stored in the same MCContext as *this.
26
StringRef SectionName;
28
/// Characteristics - This is the Characteristics field of a section,
29
// drawn from the enums below.
30
unsigned Characteristics;
32
/// Selection - This is the Selection field for the section symbol, if
33
/// it is a COMDAT section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0
37
friend class MCContext;
38
MCSectionCOFF(StringRef Section, unsigned Characteristics,
39
int Selection, SectionKind K)
40
: MCSection(SV_COFF, K), SectionName(Section),
41
Characteristics(Characteristics), Selection (Selection) {
42
assert ((Characteristics & 0x00F00000) == 0 &&
43
"alignment must not be set upon section creation");
48
/// ShouldOmitSectionDirective - Decides whether a '.section' directive
49
/// should be printed before the section name
50
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
52
StringRef getSectionName() const { return SectionName; }
53
unsigned getCharacteristics() const { return Characteristics; }
54
int getSelection () const { return Selection; }
56
virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
57
raw_ostream &OS) const;
59
static bool classof(const MCSection *S) {
60
return S->getVariant() == SV_COFF;
62
static bool classof(const MCSectionCOFF *) { return true; }
65
} // end namespace llvm