Add X86::reloc_global_offset_table and use it to have a single place where
we check for _GLOBAL_OFFSET_TABLE_.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117241 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index dad69eb..db33af6 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -701,6 +701,10 @@
       switch ((unsigned)Fixup.getKind()) {
       default: llvm_unreachable("invalid fixup kind!");
 
+      case X86::reloc_global_offset_table:
+        Type = ELF::R_386_GOTPC;
+        break;
+
       // FIXME: Should we avoid selecting reloc_signed_4byte in 32 bit mode
       // instead?
       case X86::reloc_signed_4byte:
@@ -710,10 +714,7 @@
         default:
           llvm_unreachable("Unimplemented");
         case MCSymbolRefExpr::VK_None:
-          if (Symbol->getName() == "_GLOBAL_OFFSET_TABLE_")
-            Type = ELF::R_386_GOTPC;
-          else
-            Type = ELF::R_386_32;
+          Type = ELF::R_386_32;
           break;
         case MCSymbolRefExpr::VK_GOT:
           Type = ELF::R_386_GOT32;