[ThinLTO] Enable in-place symbol changes for exporting module

[oota-llvm.git] / include / llvm / MC / MCObjectWriter.h

diff --git a/include/llvm/MC/MCObjectWriter.h b/include/llvm/MC/MCObjectWriter.h
index 406831aae810e3531e62e30847bd40bff0f0b132..63c833ac20d6d09543880af10238c7e37f2ad914 100644 (file)
--- a/include/llvm/MC/MCObjectWriter.h
+++ b/include/llvm/MC/MCObjectWriter.h
@@ -49,6 +49,10 @@ protected: // Can only create subclasses.
   MCObjectWriter(raw_pwrite_stream &OS, bool IsLittleEndian)
       : OS(&OS), IsLittleEndian(IsLittleEndian) {}
 
+  unsigned getInitialOffset() {
+    return OS->tell();
+  }
+
 public:
   virtual ~MCObjectWriter();
 
@@ -92,6 +96,11 @@ public:
                                           const MCSymbolRefExpr *B,
                                           bool InSet) const;
 
+  virtual bool isSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
+                                                      const MCSymbol &A,
+                                                      const MCSymbol &B,
+                                                      bool InSet) const;
+
   virtual bool isSymbolRefDifferenceFullyResolvedImpl(const MCAssembler &Asm,
                                                       const MCSymbol &SymA,
                                                       const MCFragment &FB,