[DWARF] Add EmitDwarfOffset function, NFC.

Added EmitDwarfOffset function after discussion with Eric Christofer.

llvm-svn: 328212

2 files changed, 7 insertions, 0 deletions

diff --git a/llvm/include/llvm/CodeGen/AsmPrinter.h b/llvm/include/llvm/CodeGen/AsmPrinter.h
index 4b15344fa3e..c41166b5e50 100644
--- a/llvm/include/llvm/CodeGen/AsmPrinter.h
+++ b/llvm/include/llvm/CodeGen/AsmPrinter.h
@@ -475,6 +475,9 @@ public:
     EmitLabelPlusOffset(Label, 0, Size, IsSectionRelative);
   }
 
+  /// Emit something like ".long Label + Offset".
+  void EmitDwarfOffset(const MCSymbol *Label, uint64_t Offset) const;
+
   //===------------------------------------------------------------------===//
   // Dwarf Emission Helper Routines
   //===------------------------------------------------------------------===//
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
index a1d6f3cbe17..c0d4350a48c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
@@ -179,6 +179,10 @@ void AsmPrinter::emitDwarfStringOffset(DwarfStringPoolEntry S) const {
   EmitInt32(S.Offset);
 }
 
+void AsmPrinter::EmitDwarfOffset(const MCSymbol *Label, uint64_t Offset) const {
+  EmitLabelPlusOffset(Label, Offset, MAI->getCodePointerSize());
+}
+
 //===----------------------------------------------------------------------===//
 // Dwarf Lowering Routines
 //===----------------------------------------------------------------------===//