llvm-project/llvm/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp

66 lines
2.1 KiB
C++

//= AArch64WinCOFFObjectWriter.cpp - AArch64 Windows COFF Object Writer C++ =//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===---------------------------------------------------------------------===//
#include "MCTargetDesc/AArch64FixupKinds.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCFixup.h"
#include "llvm/MC/MCFixupKindInfo.h"
#include "llvm/MC/MCValue.h"
#include "llvm/MC/MCWinCOFFObjectWriter.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
using namespace llvm;
namespace {
class AArch64WinCOFFObjectWriter : public MCWinCOFFObjectTargetWriter {
public:
AArch64WinCOFFObjectWriter()
: MCWinCOFFObjectTargetWriter(COFF::IMAGE_FILE_MACHINE_ARM64) {
}
~AArch64WinCOFFObjectWriter() override = default;
unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
const MCFixup &Fixup, bool IsCrossSection,
const MCAsmBackend &MAB) const override;
bool recordRelocation(const MCFixup &) const override;
};
} // end anonymous namespace
unsigned
AArch64WinCOFFObjectWriter::getRelocType(MCContext &Ctx,
const MCValue &Target,
const MCFixup &Fixup,
bool IsCrossSection,
const MCAsmBackend &MAB) const {
const MCFixupKindInfo &Info = MAB.getFixupKindInfo(Fixup.getKind());
report_fatal_error(Twine("unsupported relocation type: ") + Info.Name);
}
bool AArch64WinCOFFObjectWriter::recordRelocation(const MCFixup &Fixup) const {
return true;
}
namespace llvm {
MCObjectWriter *createAArch64WinCOFFObjectWriter(raw_pwrite_stream &OS) {
MCWinCOFFObjectTargetWriter *MOTW = new AArch64WinCOFFObjectWriter();
return createWinCOFFObjectWriter(MOTW, OS);
}
} // end namespace llvm