6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
//===- llvm/MC/MCWinCOFFObjectWriter.h - Win COFF Object Writer -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCWINCOFFOBJECTWRITER_H
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#define LLVM_MC_MCWINCOFFOBJECTWRITER_H
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#include "llvm/MC/MCObjectWriter.h"
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#include <memory>
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namespace llvm {
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class MCAsmBackend;
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class MCContext;
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class MCFixup;
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class MCValue;
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class raw_pwrite_stream;
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class MCWinCOFFObjectTargetWriter : public MCObjectTargetWriter {
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virtual void anchor();
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const unsigned Machine;
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protected:
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MCWinCOFFObjectTargetWriter(unsigned Machine_);
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public:
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virtual ~MCWinCOFFObjectTargetWriter() = default;
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Triple::ObjectFormatType getFormat() const override { return Triple::COFF; }
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static bool classof(const MCObjectTargetWriter *W) {
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return W->getFormat() == Triple::COFF;
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}
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unsigned getMachine() const { return Machine; }
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virtual unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
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const MCFixup &Fixup, bool IsCrossSection,
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const MCAsmBackend &MAB) const = 0;
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virtual bool recordRelocation(const MCFixup &) const { return true; }
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};
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class WinCOFFWriter;
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class WinCOFFObjectWriter final : public MCObjectWriter {
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friend class WinCOFFWriter;
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std::unique_ptr<MCWinCOFFObjectTargetWriter> TargetObjectWriter;
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std::unique_ptr<WinCOFFWriter> ObjWriter, DwoWriter;
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bool IncrementalLinkerCompatible = false;
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public:
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WinCOFFObjectWriter(std::unique_ptr<MCWinCOFFObjectTargetWriter> MOTW,
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raw_pwrite_stream &OS);
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WinCOFFObjectWriter(std::unique_ptr<MCWinCOFFObjectTargetWriter> MOTW,
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raw_pwrite_stream &OS, raw_pwrite_stream &DwoOS);
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// MCObjectWriter interface implementation.
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void reset() override;
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void setIncrementalLinkerCompatible(bool Value) {
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IncrementalLinkerCompatible = Value;
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}
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void executePostLayoutBinding(MCAssembler &Asm) override;
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bool isSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
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const MCSymbol &SymA,
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const MCFragment &FB, bool InSet,
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bool IsPCRel) const override;
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void recordRelocation(MCAssembler &Asm, const MCFragment *Fragment,
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const MCFixup &Fixup, MCValue Target,
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uint64_t &FixedValue) override;
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uint64_t writeObject(MCAssembler &Asm) override;
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};
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/// Construct a new Win COFF writer instance.
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///
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/// \param MOTW - The target specific WinCOFF writer subclass.
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/// \param OS - The stream to write to.
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/// \returns The constructed object writer.
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std::unique_ptr<MCObjectWriter>
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createWinCOFFObjectWriter(std::unique_ptr<MCWinCOFFObjectTargetWriter> MOTW,
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raw_pwrite_stream &OS);
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std::unique_ptr<MCObjectWriter>
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createWinCOFFDwoObjectWriter(std::unique_ptr<MCWinCOFFObjectTargetWriter> MOTW,
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raw_pwrite_stream &OS, raw_pwrite_stream &DwoOS);
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} // end namespace llvm
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#endif // LLVM_MC_MCWINCOFFOBJECTWRITER_H
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