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