Reapply 85006 with a minor fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85052 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16ABINames.h b/lib/Target/PIC16/PIC16ABINames.h
index 7f4c2f1..e18ddf1 100644
--- a/lib/Target/PIC16/PIC16ABINames.h
+++ b/lib/Target/PIC16/PIC16ABINames.h
@@ -234,6 +234,12 @@
       return "romdata.#";
     }
 
+    static std::string getSharedUDataSectionName() {
+       std::ostringstream o;
+       o << getTagName(PREFIX_SYMBOL)  << "udata_shr" << ".#";
+       return o.str();
+    }
+
     static std::string getRomdataSectionName(unsigned num,
                                              std::string prefix = "") {
        std::ostringstream o;