Basic support for getGlobalLinkName.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30997 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 12 insertions, 2 deletions

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index 9f5447fa5f..e9542fc6c1 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -349,6 +349,16 @@ unsigned AsmPrinter::getPreferredAlignmentLog(const GlobalVariable *GV) const {
   return Alignment;
 }
 
+/// getGlobalLinkName - Returns the asm/link name of of the specified
+/// global variable.  Should be overridden by each target asm printer to
+/// generate the appropriate value.
+void AsmPrinter::getGlobalLinkName(const GlobalVariable *GV,
+                                  std::string &LinkName) {
+  // Default action is to use a global symbol.                              
+  LinkName = TAI->getGlobalPrefix();
+  LinkName += GV->getName();
+}
+
 // EmitAlignment - Emit an alignment directive to the specified power of two.
 void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV) const {
   if (GV && GV->getAlignment())
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 8fe8b4e762..1c52c5bf5d 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -1634,8 +1634,8 @@ DIE *DwarfWriter::NewGlobalVariable(GlobalVariableDesc *GVD) {
   AddSourceLine(VariableDie, UnitDesc, GVD->getLine());
   
   // Work up linkage name.
-  std::string LinkageName(TAI->getGlobalPrefix());
-  LinkageName += GV->getName();
+  std::string LinkageName;
+  Asm->getGlobalLinkName(GV, LinkageName);
 
   // Add address.
   DIEBlock *Block = new DIEBlock();