Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp

@@ -0,0 +1,48 @@
+//===------- SparcTargetObjectFile.cpp - Sparc Object Info Impl -----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SparcTargetObjectFile.h"
+#include "MCTargetDesc/SparcMCExpr.h"
+#include "llvm/BinaryFormat/Dwarf.h"
+#include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/CodeGen/TargetLowering.h"
+
+using namespace llvm;
+
+void SparcELFTargetObjectFile::Initialize(MCContext &Ctx,
+                                          const TargetMachine &TM) {
+  TargetLoweringObjectFileELF::Initialize(Ctx, TM);
+  InitializeELF(TM.Options.UseInitArray);
+}
+
+const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
+    const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM,
+    MachineModuleInfo *MMI, MCStreamer &Streamer) const {
+
+  if (Encoding & dwarf::DW_EH_PE_pcrel) {
+    MachineModuleInfoELF &ELFMMI = MMI->getObjFileInfo<MachineModuleInfoELF>();
+
+    MCSymbol *SSym = getSymbolWithGlobalValueBase(GV, ".DW.stub", TM);
+
+    // Add information about the stub reference to ELFMMI so that the stub
+    // gets emitted by the asmprinter.
+    MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
+    if (!StubSym.getPointer()) {
+      MCSymbol *Sym = TM.getSymbol(GV);
+      StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
+    }
+
+    MCContext &Ctx = getContext();
+    return SparcMCExpr::create(SparcMCExpr::VK_Sparc_R_DISP32,
+                               MCSymbolRefExpr::create(SSym, Ctx), Ctx);
+  }
+
+  return TargetLoweringObjectFileELF::getTTypeGlobalReference(GV, Encoding, TM,
+                                                              MMI, Streamer);
+}