diff --git a/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h b/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
index c61cf39..70a4675 100644
--- a/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
+++ b/include/llvm/CodeGen/TargetLoweringObjectFileImpl.h
@@ -58,8 +58,10 @@
   virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
 
   virtual const MCSection *getEHFrameSection() const;
-  virtual const MCSection *getWin64EHFuncTableSection() const { return NULL; }
-  virtual const MCSection *getWin64EHTableSection() const { return NULL; }
+  virtual const MCSection *getWin64EHFuncTableSection(StringRef) const {
+    return NULL;
+  }
+  virtual const MCSection *getWin64EHTableSection(StringRef) const{return NULL;}
 
   virtual void emitPersonalityValue(MCStreamer &Streamer,
                                     const TargetMachine &TM,
@@ -135,8 +137,10 @@
   virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
 
   virtual const MCSection *getEHFrameSection() const;
-  virtual const MCSection *getWin64EHFuncTableSection() const { return NULL; }
-  virtual const MCSection *getWin64EHTableSection() const { return NULL; }
+  virtual const MCSection *getWin64EHFuncTableSection(StringRef) const {
+    return NULL;
+  }
+  virtual const MCSection *getWin64EHTableSection(StringRef) const{return NULL;}
 
   virtual const MCSection *
   SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
@@ -209,10 +213,12 @@
   virtual void Initialize(MCContext &Ctx, const TargetMachine &TM);
 
   virtual const MCSection *getEHFrameSection() const;
-  virtual const MCSection *getWin64EHFuncTableSection() const {
+  virtual const MCSection *getWin64EHFuncTableSection(StringRef) const {
     return PDataSection;
   }
-  virtual const MCSection *getWin64EHTableSection() const {return XDataSection;}
+  virtual const MCSection *getWin64EHTableSection(StringRef) const {
+    return XDataSection;
+  }
 
   virtual const MCSection *getDrectveSection() const { return DrectveSection; }
 
diff --git a/include/llvm/MC/MCWin64EH.h b/include/llvm/MC/MCWin64EH.h
index 5c0cfad..eb4665a 100644
--- a/include/llvm/MC/MCWin64EH.h
+++ b/include/llvm/MC/MCWin64EH.h
@@ -20,6 +20,7 @@
 #include <vector>
 
 namespace llvm {
+  class StringRef;
   class MCStreamer;
   class MCSymbol;
 
@@ -80,6 +81,7 @@
 
   class MCWin64EHUnwindEmitter {
   public:
+    static StringRef GetSectionSuffix(const MCSymbol *func);
     //
     // This emits the unwind info sections (.pdata and .xdata in PE/COFF).
     //
diff --git a/include/llvm/Target/TargetAsmInfo.h b/include/llvm/Target/TargetAsmInfo.h
index cd93c2b..c30409d 100644
--- a/include/llvm/Target/TargetAsmInfo.h
+++ b/include/llvm/Target/TargetAsmInfo.h
@@ -63,12 +63,12 @@
     return TLOF->getDwarfFrameSection();
   }
 
-  const MCSection *getWin64EHFuncTableSection() const {
-    return TLOF->getWin64EHFuncTableSection();
+  const MCSection *getWin64EHFuncTableSection(StringRef Suffix) const {
+    return TLOF->getWin64EHFuncTableSection(Suffix);
   }
 
-  const MCSection *getWin64EHTableSection() const {
-    return TLOF->getWin64EHTableSection();
+  const MCSection *getWin64EHTableSection(StringRef Suffix) const {
+    return TLOF->getWin64EHTableSection(Suffix);
   }
 
   unsigned getFDEEncoding(bool CFI) const {
diff --git a/include/llvm/Target/TargetLoweringObjectFile.h b/include/llvm/Target/TargetLoweringObjectFile.h
index 78d49a9..3991035 100644
--- a/include/llvm/Target/TargetLoweringObjectFile.h
+++ b/include/llvm/Target/TargetLoweringObjectFile.h
@@ -155,8 +155,8 @@
   const MCSection *getTLSExtraDataSection() const {
     return TLSExtraDataSection;
   }
-  virtual const MCSection *getWin64EHFuncTableSection() const = 0;
-  virtual const MCSection *getWin64EHTableSection() const = 0;
+  virtual const MCSection *getWin64EHFuncTableSection(StringRef suffix)const=0;
+  virtual const MCSection *getWin64EHTableSection(StringRef suffix) const = 0;
   
   /// shouldEmitUsedDirectiveFor - This hook allows targets to selectively
   /// decide not to emit the UsedDirective for some symbols in llvm.used.
diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 9376d55..ada3a70 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -977,8 +977,10 @@
   // cause the section switch to be visible in the emitted assembly.
   // We only do this so the section switch that terminates the handler
   // data block is visible.
+  MCWin64EHUnwindInfo *CurFrame = getCurrentW64UnwindInfo();
+  StringRef suffix=MCWin64EHUnwindEmitter::GetSectionSuffix(CurFrame->Function);
   const MCSection *xdataSect =
-                       getContext().getTargetAsmInfo().getWin64EHTableSection();
+    getContext().getTargetAsmInfo().getWin64EHTableSection(suffix);
   if (xdataSect)
     SwitchSectionNoChange(xdataSect);
 
diff --git a/lib/MC/MCWin64EH.cpp b/lib/MC/MCWin64EH.cpp
index 018bb7c..9453f5c 100644
--- a/lib/MC/MCWin64EH.cpp
+++ b/lib/MC/MCWin64EH.cpp
@@ -10,6 +10,8 @@
 #include "llvm/MC/MCWin64EH.h"
 #include "llvm/MC/MCStreamer.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/Target/TargetAsmInfo.h"
 
@@ -199,13 +201,33 @@
   }
 }
 
+StringRef MCWin64EHUnwindEmitter::GetSectionSuffix(const MCSymbol *func) {
+  if (!func || !func->isInSection()) return "";
+  const MCSection *section = &func->getSection();
+  const MCSectionCOFF *COFFSection;
+  if ((COFFSection = dyn_cast<MCSectionCOFF>(section))) {
+    StringRef name = COFFSection->getSectionName();
+    size_t dollar = name.find('$');
+    size_t dot = name.find('.', 1);
+    if (dollar == StringRef::npos && dot == StringRef::npos)
+      return "";
+    if (dot == StringRef::npos)
+      return name.substr(dollar);
+    if (dollar == StringRef::npos || dot < dollar)
+      return name.substr(dot);
+    return name.substr(dollar);
+  }
+  return "";
+}
+
 void MCWin64EHUnwindEmitter::EmitUnwindInfo(MCStreamer &streamer,
                                             MCWin64EHUnwindInfo *info) {
   // Switch sections (the static function above is meant to be called from
   // here and from Emit().
   MCContext &context = streamer.getContext();
   const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
-  const MCSection *xdataSect = asmInfo.getWin64EHTableSection();
+  const MCSection *xdataSect =
+    asmInfo.getWin64EHTableSection(GetSectionSuffix(info->Function));
   streamer.SwitchSection(xdataSect);
 
   llvm::EmitUnwindInfo(streamer, info);
@@ -215,15 +237,21 @@
   MCContext &context = streamer.getContext();
   // Emit the unwind info structs first.
   const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
-  const MCSection *xdataSect = asmInfo.getWin64EHTableSection();
-  streamer.SwitchSection(xdataSect);
-  for (unsigned i = 0; i < streamer.getNumW64UnwindInfos(); ++i)
-    llvm::EmitUnwindInfo(streamer, &streamer.getW64UnwindInfo(i));
+  for (unsigned i = 0; i < streamer.getNumW64UnwindInfos(); ++i) {
+    MCWin64EHUnwindInfo &info = streamer.getW64UnwindInfo(i);
+    const MCSection *xdataSect =
+      asmInfo.getWin64EHTableSection(GetSectionSuffix(info.Function));
+    streamer.SwitchSection(xdataSect);
+    llvm::EmitUnwindInfo(streamer, &info);
+  }
   // Now emit RUNTIME_FUNCTION entries.
-  const MCSection *pdataSect = asmInfo.getWin64EHFuncTableSection();
-  streamer.SwitchSection(pdataSect);
-  for (unsigned i = 0; i < streamer.getNumW64UnwindInfos(); ++i)
-    EmitRuntimeFunction(streamer, &streamer.getW64UnwindInfo(i));
+  for (unsigned i = 0; i < streamer.getNumW64UnwindInfos(); ++i) {
+    MCWin64EHUnwindInfo &info = streamer.getW64UnwindInfo(i);
+    const MCSection *pdataSect =
+      asmInfo.getWin64EHFuncTableSection(GetSectionSuffix(info.Function));
+    streamer.SwitchSection(pdataSect);
+    EmitRuntimeFunction(streamer, &info);
+  }
 }
 
 } // End of namespace llvm