be68f35bf5
Also add support for new relocation types required by debug information. Constants have been taken from CodeView Symbolic Debug Information Specification.
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//===- MipsWinCOFFObjectWriter.cpp------------------------------*- 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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#include "MCTargetDesc/MipsFixupKinds.h"
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#include "MCTargetDesc/MipsMCTargetDesc.h"
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#include "llvm/BinaryFormat/COFF.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCWinCOFFObjectWriter.h"
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using namespace llvm;
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namespace {
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class MipsWinCOFFObjectWriter : public MCWinCOFFObjectTargetWriter {
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public:
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MipsWinCOFFObjectWriter();
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unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
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const MCFixup &Fixup, bool IsCrossSection,
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const MCAsmBackend &MAB) const override;
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};
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} // end anonymous namespace
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MipsWinCOFFObjectWriter::MipsWinCOFFObjectWriter()
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: MCWinCOFFObjectTargetWriter(COFF::IMAGE_FILE_MACHINE_R4000) {}
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unsigned MipsWinCOFFObjectWriter::getRelocType(MCContext &Ctx,
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const MCValue &Target,
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const MCFixup &Fixup,
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bool IsCrossSection,
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const MCAsmBackend &MAB) const {
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unsigned FixupKind = Fixup.getKind();
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switch (FixupKind) {
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case FK_Data_4:
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return COFF::IMAGE_REL_MIPS_REFWORD;
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case FK_SecRel_2:
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return COFF::IMAGE_REL_MIPS_SECTION;
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case FK_SecRel_4:
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return COFF::IMAGE_REL_MIPS_SECREL;
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case Mips::fixup_Mips_26:
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return COFF::IMAGE_REL_MIPS_JMPADDR;
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case Mips::fixup_Mips_HI16:
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return COFF::IMAGE_REL_MIPS_REFHI;
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case Mips::fixup_Mips_LO16:
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return COFF::IMAGE_REL_MIPS_REFLO;
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default:
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Ctx.reportError(Fixup.getLoc(), "unsupported relocation type");
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return COFF::IMAGE_REL_MIPS_REFWORD;
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}
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}
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std::unique_ptr<MCObjectTargetWriter> llvm::createMipsWinCOFFObjectWriter() {
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return std::make_unique<MipsWinCOFFObjectWriter>();
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}
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