Implement ELF::R_X86_64_GOTPCREL.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115547 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index d650259..6a2a6e5 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -588,6 +588,9 @@
       case MCSymbolRefExpr::VK_PLT:
         Type = ELF::R_X86_64_PLT32;
         break;
+      case llvm::MCSymbolRefExpr::VK_GOTPCREL:
+        Type = ELF::R_X86_64_GOTPCREL;
+        break;
       default:
         llvm_unreachable("Unimplemented");
       }
diff --git a/test/MC/ELF/got.s b/test/MC/ELF/got.s
index c44245d..47b0285 100644
--- a/test/MC/ELF/got.s
+++ b/test/MC/ELF/got.s
@@ -2,7 +2,8 @@
 
 // Test that this produces a R_X86_64_GOT32.
 
-	movl	foo@GOT, %eax
+        movl	foo@GOT, %eax
+        movl	foo@GOTPCREL(%rip), %eax
 
 // CHECK:      ('_relocations', [
 // CHECK-NEXT:   # Relocation 0
@@ -11,4 +12,10 @@
 // CHECK-NEXT:     ('r_type', 3)
 // CHECK-NEXT:     ('r_addend',
 // CHECK-NEXT:    ),
+// CHECK-NEXT:   # Relocation 1
+// CHECK-NEXT:    (('r_offset',
+// CHECK-NEXT:     ('r_sym',
+// CHECK-NEXT:     ('r_type', 9)
+// CHECK-NEXT:     ('r_addend',
+// CHECK-NEXT:    ),
 // CHECK-NEXT:   ])