vendor/llvm/llvm-trunk-r306956

1 files changed, 65 insertions, 0 deletions

diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp
new file mode 100644
index 000000000000..7862a03e771c
--- /dev/null
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64WinCOFFObjectWriter.cpp
@@ -0,0 +1,65 @@
+//= 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