1 files changed, 28 insertions, 0 deletions
diff --git a/include/llvm/Object/RelocVisitor.h b/include/llvm/Object/RelocVisitor.h
index 59d810763f..6239ec1796 100644
--- a/include/llvm/Object/RelocVisitor.h
+++ b/include/llvm/Object/RelocVisitor.h
@@ -102,6 +102,16 @@ public:
         HasError = true;
         return RelocToApply();
       }
+    } else if (FileFormat == "ELF64-s390") {
+      switch (RelocType) {
+      case llvm::ELF::R_390_32:
+        return visitELF_390_32(R, Value);
+      case llvm::ELF::R_390_64:
+        return visitELF_390_64(R, Value);
+      default:
+        HasError = true;
+        return RelocToApply();
+      }
     }
     HasError = true;
     return RelocToApply();
@@ -202,6 +212,24 @@ private:
     return RelocToApply(Value + Addend, 8);
   }
 
+  // SystemZ ELF
+  RelocToApply visitELF_390_32(RelocationRef R, uint64_t Value) {
+    int64_t Addend;
+    R.getAdditionalInfo(Addend);
+    int64_t Res = Value + Addend;
+
+    // Overflow check allows for both signed and unsigned interpretation.
+    if (Res < INT32_MIN || Res > UINT32_MAX)
+      HasError = true;
+
+    return RelocToApply(static_cast<uint32_t>(Res), 4);
+  }
+
+  RelocToApply visitELF_390_64(RelocationRef R, uint64_t Value) {
+    int64_t Addend;
+    R.getAdditionalInfo(Addend);
+    return RelocToApply(Value + Addend, 8);
+  }
 };
 
 }