1 //===- MCSymbolCOFF.h - ----------------------------------------*- 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 #ifndef LLVM_MC_MCSYMBOLCOFF_H 10 #define LLVM_MC_MCSYMBOLCOFF_H 11 12 #include "llvm/MC/MCSymbol.h" 13 14 namespace llvm { 15 class MCSymbolCOFF : public MCSymbol { 16 17 /// This corresponds to the e_type field of the COFF symbol. 18 mutable uint16_t Type; 19 20 enum SymbolFlags : uint16_t { 21 SF_ClassMask = 0x00FF, 22 SF_ClassShift = 0, 23 24 SF_WeakExternal = 0x0100, 25 SF_SafeSEH = 0x0200, 26 }; 27 28 public: 29 MCSymbolCOFF(const StringMapEntry<bool> *Name, bool isTemporary) 30 : MCSymbol(SymbolKindCOFF, Name, isTemporary), Type(0) {} 31 32 uint16_t getType() const { 33 return Type; 34 } 35 void setType(uint16_t Ty) const { 36 Type = Ty; 37 } 38 39 uint16_t getClass() const { 40 return (getFlags() & SF_ClassMask) >> SF_ClassShift; 41 } 42 void setClass(uint16_t StorageClass) const { 43 modifyFlags(StorageClass << SF_ClassShift, SF_ClassMask); 44 } 45 46 bool isWeakExternal() const { 47 return getFlags() & SF_WeakExternal; 48 } 49 void setIsWeakExternal() const { 50 modifyFlags(SF_WeakExternal, SF_WeakExternal); 51 } 52 53 bool isSafeSEH() const { 54 return getFlags() & SF_SafeSEH; 55 } 56 void setIsSafeSEH() const { 57 modifyFlags(SF_SafeSEH, SF_SafeSEH); 58 } 59 60 static bool classof(const MCSymbol *S) { return S->isCOFF(); } 61 }; 62 } 63 64 #endif 65
