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
14namespace llvm {
15
16class raw_pwrite_stream;
17
18class MCXCOFFObjectTargetWriter : public MCObjectTargetWriter {
19protected:
20 MCXCOFFObjectTargetWriter(bool Is64Bit);
21
22public:
23 ~MCXCOFFObjectTargetWriter() override;
24
25 Triple::ObjectFormatType getFormat() const override { return Triple::XCOFF; }
26 static bool classof(const MCObjectTargetWriter *W) {
27 return W->getFormat() == Triple::XCOFF;
28 }
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
38private:
39 bool Is64Bit;
40};
41
42class XCOFFObjectWriter : public MCObjectWriter {
43 // AIX specific CPU type.
44 std::string CPUType;
45
46public:
47 virtual void addExceptionEntry(const MCSymbol *Symbol, const MCSymbol *Trap,
48 unsigned LanguageCode, unsigned ReasonCode,
49 unsigned FunctionSize, bool hasDebug) = 0;
50 virtual void addCInfoSymEntry(StringRef Name, StringRef Metadata) = 0;
51 StringRef getCPUType() const { return CPUType; }
52 void setCPU(StringRef TargetCPU) { CPUType = TargetCPU; }
53};
54
55std::unique_ptr<MCObjectWriter>
56createXCOFFObjectWriter(std::unique_ptr<MCXCOFFObjectTargetWriter> MOTW,
57 raw_pwrite_stream &OS);
58
59} // end namespace llvm
60
61#endif // LLVM_MC_MCXCOFFOBJECTWRITER_H
62