Mips direct object xgot support

This patch provides support for the MIPS relocations:

    *)  R_MIPS_GOT_HI16
    *)  R_MIPS_GOT_LO16
    *)  R_MIPS_CALL_HI16
    *)  R_MIPS_CALL_LO16

These are used for large GOT instruction sequences.

Contributer: Jack Carter
llvm-svn: 168471
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
index 7fbdae0..da1e4552 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
@@ -287,6 +287,18 @@
   case MCSymbolRefExpr::VK_Mips_HIGHEST:
     FixupKind = Mips::fixup_Mips_HIGHEST;
     break;
+  case MCSymbolRefExpr::VK_Mips_GOT_HI16:
+    FixupKind = Mips::fixup_Mips_GOT_HI16;
+    break;
+  case MCSymbolRefExpr::VK_Mips_GOT_LO16:
+    FixupKind = Mips::fixup_Mips_GOT_LO16;
+    break;
+  case MCSymbolRefExpr::VK_Mips_CALL_HI16:
+    FixupKind = Mips::fixup_Mips_CALL_HI16;
+    break;
+  case MCSymbolRefExpr::VK_Mips_CALL_LO16:
+    FixupKind = Mips::fixup_Mips_CALL_LO16;
+    break;
   } // switch
 
   Fixups.push_back(MCFixup::Create(0, MO.getExpr(), MCFixupKind(FixupKind)));