6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
//===-- llvm/MC/MCSPIRVObjectWriter.h - SPIR-V 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_MCSPIRVOBJECTWRITER_H
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#define LLVM_MC_MCSPIRVOBJECTWRITER_H
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#include "llvm/MC/MCObjectWriter.h"
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#include "llvm/MC/MCValue.h"
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#include "llvm/Support/EndianStream.h"
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#include "llvm/Support/raw_ostream.h"
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#include <memory>
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namespace llvm {
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class MCSPIRVObjectTargetWriter : public MCObjectTargetWriter {
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protected:
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explicit MCSPIRVObjectTargetWriter() {}
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public:
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Triple::ObjectFormatType getFormat() const override { return Triple::SPIRV; }
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static bool classof(const MCObjectTargetWriter *W) {
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return W->getFormat() == Triple::SPIRV;
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}
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};
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class SPIRVObjectWriter final : public MCObjectWriter {
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support::endian::Writer W;
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std::unique_ptr<MCSPIRVObjectTargetWriter> TargetObjectWriter;
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struct VersionInfoType {
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unsigned Major = 0;
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unsigned Minor = 0;
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unsigned Bound = 0;
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} VersionInfo;
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public:
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SPIRVObjectWriter(std::unique_ptr<MCSPIRVObjectTargetWriter> MOTW,
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raw_pwrite_stream &OS)
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: W(OS, llvm::endianness::little), TargetObjectWriter(std::move(MOTW)) {}
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void setBuildVersion(unsigned Major, unsigned Minor, unsigned Bound);
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private:
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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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void writeHeader(const MCAssembler &Asm);
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};
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/// Construct a new SPIR-V writer instance.
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///
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/// \param MOTW - The target specific SPIR-V 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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createSPIRVObjectWriter(std::unique_ptr<MCSPIRVObjectTargetWriter> MOTW,
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raw_pwrite_stream &OS);
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} // namespace llvm
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#endif
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