1 files changed, 53 insertions, 0 deletions
diff --git a/lib/Target/X86/X86TargetObjectFile.cpp b/lib/Target/X86/X86TargetObjectFile.cpp
new file mode 100644
index 00000000000..92aee0dd3fc
--- /dev/null
+++ b/lib/Target/X86/X86TargetObjectFile.cpp
@@ -0,0 +1,53 @@
+//===-- X86TargetObjectFile.cpp - X86 Object Info -------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "X86TargetObjectFile.h"
+#include "X86TargetMachine.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSectionELF.h"
+#include "llvm/MC/MCSectionMachO.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/ELF.h"
+using namespace llvm;
+using namespace dwarf;
+
+const MCExpr *X86_64MachoTargetObjectFile::
+getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
+                               MachineModuleInfo *MMI, unsigned Encoding,
+                               MCStreamer &Streamer) const {
+
+  // On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
+  // is an indirect pc-relative reference.
+  if (Encoding & (DW_EH_PE_indirect | DW_EH_PE_pcrel)) {
+    const MCSymbol *Sym = Mang->getSymbol(GV);
+    const MCExpr *Res =
+      MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_GOTPCREL, getContext());
+    const MCExpr *Four = MCConstantExpr::Create(4, getContext());
+    return MCBinaryExpr::CreateAdd(Res, Four, getContext());
+  }
+
+  return TargetLoweringObjectFileMachO::
+    getExprForDwarfGlobalReference(GV, Mang, MMI, Encoding, Streamer);
+}
+
+MCSymbol *X86_64MachoTargetObjectFile::
+getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
+                        MachineModuleInfo *MMI) const {
+  return Mang->getSymbol(GV);
+}
+
+void
+X86LinuxTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
+  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+  InitializeELF(TM.Options.UseInitArray);
+}