MCSection.h revision af76e592c7f9deff0e55c13dbb4a34f07f1c7f64
1//===- MCSection.h - Machine Code Sections ----------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file declares the MCSection class. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_MC_MCSECTION_H 15#define LLVM_MC_MCSECTION_H 16 17#include <string> 18#include "llvm/ADT/StringRef.h" 19#include "llvm/MC/SectionKind.h" 20 21namespace llvm { 22 class MCContext; 23 class MCAsmInfo; 24 class raw_ostream; 25 26 /// MCSection - Instances of this class represent a uniqued identifier for a 27 /// section in the current translation unit. The MCContext class uniques and 28 /// creates these. 29 class MCSection { 30 MCSection(const MCSection&); // DO NOT IMPLEMENT 31 void operator=(const MCSection&); // DO NOT IMPLEMENT 32 protected: 33 MCSection(SectionKind K) : Kind(K) {} 34 SectionKind Kind; 35 public: 36 virtual ~MCSection(); 37 38 SectionKind getKind() const { return Kind; } 39 40 virtual void PrintSwitchToSection(const MCAsmInfo &TAI, 41 raw_ostream &OS) const = 0; 42 }; 43 44 class MCSectionCOFF : public MCSection { 45 std::string Name; 46 47 /// IsDirective - This is true if the section name is a directive, not 48 /// something that should be printed with ".section". 49 /// 50 /// FIXME: This is a hack. Switch to a semantic view of the section instead 51 /// of a syntactic one. 52 bool IsDirective; 53 54 MCSectionCOFF(const StringRef &name, bool isDirective, SectionKind K) 55 : MCSection(K), Name(name), IsDirective(isDirective) { 56 } 57 public: 58 59 static MCSectionCOFF *Create(const StringRef &Name, bool IsDirective, 60 SectionKind K, MCContext &Ctx); 61 62 const std::string &getName() const { return Name; } 63 bool isDirective() const { return IsDirective; } 64 65 virtual void PrintSwitchToSection(const MCAsmInfo &TAI, 66 raw_ostream &OS) const; 67 }; 68 69} // end namespace llvm 70 71#endif 72