1 //===- llvm/MC/MCRelocationInfo.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 // 10 // This file declares the MCRelocationInfo class, which provides methods to 11 // create MCExprs from relocations, either found in an object::ObjectFile 12 // (object::RelocationRef), or provided through the C API. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H 17 #define LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H 18 19 namespace llvm { 20 21 class MCContext; 22 class MCExpr; 23 24 /// \brief Create MCExprs from relocations found in an object file. 25 class MCRelocationInfo { 26 protected: 27 MCContext &Ctx; 28 29 public: 30 MCRelocationInfo(MCContext &Ctx); 31 MCRelocationInfo(const MCRelocationInfo &) = delete; 32 MCRelocationInfo &operator=(const MCRelocationInfo &) = delete; 33 virtual ~MCRelocationInfo(); 34 35 /// \brief Create an MCExpr for the target-specific \p VariantKind. 36 /// The VariantKinds are defined in llvm-c/Disassembler.h. 37 /// Used by MCExternalSymbolizer. 38 /// \returns If possible, an MCExpr corresponding to VariantKind, else 0. 39 virtual const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr, 40 unsigned VariantKind); 41 }; 42 43 } // end namespace llvm 44 45 #endif // LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H 46
