1 //===-- llvm/MC/MCWasmObjectWriter.h - Wasm Object Writer -------*- 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 #ifndef LLVM_MC_MCWASMOBJECTWRITER_H 11 #define LLVM_MC_MCWASMOBJECTWRITER_H 12 13 #include "llvm/ADT/Triple.h" 14 #include "llvm/BinaryFormat/Wasm.h" 15 #include "llvm/Support/DataTypes.h" 16 17 namespace llvm { 18 19 class MCFixup; 20 class MCObjectWriter; 21 class MCValue; 22 class raw_pwrite_stream; 23 24 class MCWasmObjectTargetWriter { 25 const unsigned Is64Bit : 1; 26 27 protected: 28 explicit MCWasmObjectTargetWriter(bool Is64Bit_); 29 30 public: 31 virtual ~MCWasmObjectTargetWriter(); 32 33 virtual unsigned getRelocType(const MCValue &Target, 34 const MCFixup &Fixup) const = 0; 35 36 /// \name Accessors 37 /// @{ 38 bool is64Bit() const { return Is64Bit; } 39 /// @} 40 }; 41 42 /// \brief Construct a new Wasm writer instance. 43 /// 44 /// \param MOTW - The target specific Wasm writer subclass. 45 /// \param OS - The stream to write to. 46 /// \returns The constructed object writer. 47 std::unique_ptr<MCObjectWriter> 48 createWasmObjectWriter(std::unique_ptr<MCWasmObjectTargetWriter> MOTW, 49 raw_pwrite_stream &OS); 50 51 } // End llvm namespace 52 53 #endif 54
