1 //===-- llvm/MC/MCXCOFFObjectWriter.h - XCOFF Object Writer ---------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_MC_MCXCOFFOBJECTWRITER_H 10 #define LLVM_MC_MCXCOFFOBJECTWRITER_H 11 12 #include "llvm/MC/MCObjectWriter.h" 13 14 namespace llvm { 15 16 class raw_pwrite_stream; 17 18 class MCXCOFFObjectTargetWriter : public MCObjectTargetWriter { 19 protected: 20 MCXCOFFObjectTargetWriter(bool Is64Bit); 21 22 public: 23 ~MCXCOFFObjectTargetWriter() override; 24 getFormat()25 Triple::ObjectFormatType getFormat() const override { return Triple::XCOFF; } classof(const MCObjectTargetWriter * W)26 static bool classof(const MCObjectTargetWriter *W) { 27 return W->getFormat() == Triple::XCOFF; 28 } is64Bit()29 bool is64Bit() const { return Is64Bit; } 30 31 // Returns relocation info such as type, sign and size. 32 // First element of the pair contains type, 33 // second element contains sign and size. 34 virtual std::pair<uint8_t, uint8_t> 35 getRelocTypeAndSignSize(const MCValue &Target, const MCFixup &Fixup, 36 bool IsPCRel) const = 0; 37 38 private: 39 bool Is64Bit; 40 }; 41 42 std::unique_ptr<MCObjectWriter> 43 createXCOFFObjectWriter(std::unique_ptr<MCXCOFFObjectTargetWriter> MOTW, 44 raw_pwrite_stream &OS); 45 46 namespace XCOFF { 47 void addExceptionEntry(MCObjectWriter &Writer, const MCSymbol *Symbol, 48 const MCSymbol *Trap, unsigned LanguageCode, 49 unsigned ReasonCode, unsigned FunctionSize, 50 bool hasDebug); 51 void addCInfoSymEntry(MCObjectWriter &Writer, StringRef Name, 52 StringRef Metadata); 53 } // namespace XCOFF 54 55 } // end namespace llvm 56 57 #endif // LLVM_MC_MCXCOFFOBJECTWRITER_H 58