From d2ef63ca764aebb647747e9c0bfe7a797798aa16 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 28 Apr 2011 02:46:42 +0000
Subject: [PATCH] Forward isFunctionEHFrameSymbolPrivate. If it is false,
 produce the foo.eh symbols.

llvm-svn: 130375
---
 include/llvm/Target/TargetAsmInfo.h | 4 ++++
 lib/MC/MCDwarf.cpp                  | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/include/llvm/Target/TargetAsmInfo.h b/include/llvm/Target/TargetAsmInfo.h
index 478c453add1..f469cbb02c5 100644
--- a/include/llvm/Target/TargetAsmInfo.h
+++ b/include/llvm/Target/TargetAsmInfo.h
@@ -62,6 +62,10 @@ public:
     return TLOF->getFDEEncoding();
   }
 
+  bool isFunctionEHFrameSymbolPrivate() const {
+    return TLOF->isFunctionEHFrameSymbolPrivate();
+  }
+
   unsigned getDwarfRARegNum(bool isEH) const {
     return TRI->getDwarfRegNum(TRI->getRARegister(), isEH);
   }
diff --git a/lib/MC/MCDwarf.cpp b/lib/MC/MCDwarf.cpp
index 566c090feba..ec2bcf85edb 100644
--- a/lib/MC/MCDwarf.cpp
+++ b/lib/MC/MCDwarf.cpp
@@ -17,6 +17,7 @@
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCObjectWriter.h"
 #include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
@@ -713,6 +714,12 @@ MCSymbol *FrameEmitterImpl::EmitFDE(MCStreamer &streamer,
   MCSymbol *fdeEnd = context.CreateTempSymbol();
   const TargetAsmInfo &asmInfo = context.getTargetAsmInfo();
 
+  if (!asmInfo.isFunctionEHFrameSymbolPrivate()) {
+    Twine EHName = frame.Function->getName() + Twine(".eh");
+    MCSymbol *EHSym = context.GetOrCreateSymbol(EHName);
+    streamer.EmitLabel(EHSym);
+  }
+
   // Length
   const MCExpr *Length = MakeStartMinusEndExpr(streamer, *fdeStart, *fdeEnd, 0);
   streamer.EmitAbsValue(Length, 4);