ARM: Enable use of relocation type tlsldo in debug info for tls data.

This fixes PR18554.

Reviewers: Renato Golin, Keith Walker
llvm-svn: 200826

2 files changed, 9 insertions, 0 deletions

diff --git a/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp b/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp
index 1c5dc51e7fa..e6b8cce0915 100644
--- a/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp
@@ -51,3 +51,9 @@ getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
                                  MCSymbolRefExpr::VK_ARM_TARGET2,
                                  getContext());
 }
+
+const MCExpr *ARMElfTargetObjectFile::
+getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
+  return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_ARM_TLSLDO,
+                                 getContext());
+}
diff --git a/llvm/lib/Target/ARM/ARMTargetObjectFile.h b/llvm/lib/Target/ARM/ARMTargetObjectFile.h
index 7f60727e530..cb86896c03a 100644
--- a/llvm/lib/Target/ARM/ARMTargetObjectFile.h
+++ b/llvm/lib/Target/ARM/ARMTargetObjectFile.h
@@ -36,6 +36,9 @@ public:
   virtual const MCSection *getAttributesSection() const {
     return AttributesSection;
   }
+
+  /// \brief Describe a TLS variable address within debug info.
+  virtual const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const;
 };
 
 } // end namespace llvm