Add target hook for setting symbol prefix and section of unicode
string literals.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index ce55ec8..5f5ba60 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -658,6 +658,14 @@
     return IsConstant ? "\01LC" : "\01lC";
   }
 
+  virtual const char *getUnicodeStringSymbolPrefix() const { 
+    return "__utf16_string_";
+  }
+
+  virtual const char *getUnicodeStringSection() const { 
+    return "__TEXT,__ustring";
+  }
+
   virtual const char *getCFStringSymbolPrefix() const { 
     return "\01LC";
   }
@@ -810,6 +818,14 @@
     return IsConstant ? "\01LC" : "\01lC";
   }
 
+  virtual const char *getUnicodeStringSymbolPrefix() const { 
+    return "__utf16_string_";
+  }
+
+  virtual const char *getUnicodeStringSection() const { 
+    return "__TEXT,__ustring";
+  }
+
   virtual const char *getCFStringSymbolPrefix() const { 
     return "\01L_unnamed_cfstring_";
   }