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 } // end namespace llvm
47 
48 #endif // LLVM_MC_MCXCOFFOBJECTWRITER_H
49