Remove the MCObjectFormat class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122147 91177308-0d34-0410-b5e6-96231b3b80d8

lib/MC/ELFObjectWriter.cpp

@@ -352,6 +352,12 @@ namespace {
       return false;
     }
 
+    virtual bool isAbsolute(bool IsSet, const MCSymbol &A,
+                            const MCSymbol &B) const {
+      // On ELF A - B is absolute if A and B are in the same section.
+      return &A.getSection() == &B.getSection();
+    }
+
     virtual bool IsFixupFullyResolved(const MCAssembler &Asm,
                               const MCValue Target,
                               bool IsPCRel,