Mark the EH symbol global or weak if the corresponding function is.

llvm-svn: 130397

1 files changed, 12 insertions, 0 deletions

diff --git a/llvm/lib/MC/MCMachOStreamer.cpp b/llvm/lib/MC/MCMachOStreamer.cpp
index d1f9f5cd568..0982f69c5ff 100644
--- a/llvm/lib/MC/MCMachOStreamer.cpp
+++ b/llvm/lib/MC/MCMachOStreamer.cpp
@@ -44,6 +44,8 @@ public:
 
   virtual void InitSections();
   virtual void EmitLabel(MCSymbol *Symbol);
+  virtual void EmitEHSymAttributes(const MCSymbol *Symbol,
+                                   MCSymbol *EHSymbol);
   virtual void EmitAssemblerFlag(MCAssemblerFlag Flag);
   virtual void EmitThumbFunc(MCSymbol *Func);
   virtual void EmitAssignment(MCSymbol *Symbol, const MCExpr *Value);
@@ -101,6 +103,16 @@ void MCMachOStreamer::InitSections() {
 
 }
 
+void MCMachOStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,
+                                          MCSymbol *EHSymbol) {
+  MCSymbolData &SD =
+    getAssembler().getOrCreateSymbolData(*Symbol);
+  if (SD.isExternal())
+    EmitSymbolAttribute(EHSymbol, MCSA_Global);
+  if (SD.getFlags() & SF_WeakDefinition)
+    EmitSymbolAttribute(EHSymbol, MCSA_WeakDefinition);
+}
+
 void MCMachOStreamer::EmitLabel(MCSymbol *Symbol) {
   assert(Symbol->isUndefined() && "Cannot define a symbol twice!");