LLVM 17.0.0git
MCWinCOFFObjectWriter.h
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1//===- llvm/MC/MCWinCOFFObjectWriter.h - Win COFF Object Writer -*- C++ -*-===//
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_MCWINCOFFOBJECTWRITER_H
10#define LLVM_MC_MCWINCOFFOBJECTWRITER_H
11
13#include <memory>
14
15namespace llvm {
16
17class MCAsmBackend;
18class MCContext;
19class MCFixup;
20class MCValue;
21class raw_pwrite_stream;
22
24 virtual void anchor();
25
26 const unsigned Machine;
27
28 protected:
29 MCWinCOFFObjectTargetWriter(unsigned Machine_);
30
31 public:
32 virtual ~MCWinCOFFObjectTargetWriter() = default;
33
34 Triple::ObjectFormatType getFormat() const override { return Triple::COFF; }
35 static bool classof(const MCObjectTargetWriter *W) {
36 return W->getFormat() == Triple::COFF;
37 }
38
39 unsigned getMachine() const { return Machine; }
40 virtual unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
41 const MCFixup &Fixup, bool IsCrossSection,
42 const MCAsmBackend &MAB) const = 0;
43 virtual bool recordRelocation(const MCFixup &) const { return true; }
44 };
45
46 /// Construct a new Win COFF writer instance.
47 ///
48 /// \param MOTW - The target specific WinCOFF writer subclass.
49 /// \param OS - The stream to write to.
50 /// \returns The constructed object writer.
51 std::unique_ptr<MCObjectWriter>
52 createWinCOFFObjectWriter(std::unique_ptr<MCWinCOFFObjectTargetWriter> MOTW,
53 raw_pwrite_stream &OS);
54} // end namespace llvm
55
56#endif // LLVM_MC_MCWINCOFFOBJECTWRITER_H
PowerPC TLS Dynamic Call Fixup
Generic interface to target specific assembler backends.
Definition: MCAsmBackend.h:41
Context object for machine code objects.
Definition: MCContext.h:76
Encode information on a single operation to perform on a byte sequence (e.g., an encoded instruction)...
Definition: MCFixup.h:71
Base class for classes that define behaviour that is specific to both the target and the object forma...
This represents an "assembler immediate".
Definition: MCValue.h:36
virtual bool recordRelocation(const MCFixup &) const
static bool classof(const MCObjectTargetWriter *W)
virtual ~MCWinCOFFObjectTargetWriter()=default
virtual unsigned getRelocType(MCContext &Ctx, const MCValue &Target, const MCFixup &Fixup, bool IsCrossSection, const MCAsmBackend &MAB) const =0
Triple::ObjectFormatType getFormat() const override
Target - Wrapper for Target specific information.
ObjectFormatType
Definition: Triple.h:279
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
std::unique_ptr< MCObjectWriter > createWinCOFFObjectWriter(std::unique_ptr< MCWinCOFFObjectTargetWriter > MOTW, raw_pwrite_stream &OS)
Construct a new Win COFF writer instance.