1 files changed, 3 insertions, 0 deletions
diff --git a/src/wasm.h b/src/wasm.h
index a71e09d19..40728de50 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -108,6 +108,9 @@ struct Address {
   Address& operator++() { ++addr; return *this; }
 };
 
+// An offset into memory
+typedef int32_t Offset;
+
 // Types
 
 enum WasmType {