1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
index 292dd17e2f51..fa937d381613 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp
@@ -94,6 +94,12 @@ static void checkIs32(MCContext &Ctx, SMLoc Loc, X86_64RelType Type) {
                     "32 bit reloc applied to a field with a different size");
 }
 
+static void checkIs64(MCContext &Ctx, SMLoc Loc, X86_64RelType Type) {
+  if (Type != RT64_64)
+    Ctx.reportError(Loc,
+                    "64 bit reloc applied to a field with a different size");
+}
+
 static unsigned getRelocType64(MCContext &Ctx, SMLoc Loc,
                                MCSymbolRefExpr::VariantKind Modifier,
                                X86_64RelType Type, bool IsPCRel,
@@ -212,6 +218,9 @@ static unsigned getRelocType64(MCContext &Ctx, SMLoc Loc,
       return ELF::R_X86_64_REX_GOTPCRELX;
     }
     llvm_unreachable("unexpected relocation type!");
+  case MCSymbolRefExpr::VK_X86_PLTOFF:
+    checkIs64(Ctx, Loc, Type);
+    return ELF::R_X86_64_PLTOFF64;
   }
 }