diff --git a/include/xo/jit/intrinsics.hpp b/include/xo/jit/intrinsics.hpp
new file mode 100644
index 00000000..a0528dc2
--- /dev/null
+++ b/include/xo/jit/intrinsics.hpp
@@ -0,0 +1,13 @@
+/** @file intrinsics.hpp
+ *
+ *  Author: Roland Conybeare
+ **/
+
+#pragma once
+
+#include <cstdint>
+
+extern "C" int32_t mul_i32(int32_t x, int32_t y);
+extern "C" double mul_f64(double x, double y);
+
+/** end intrinsics.hpp **/
diff --git a/src/jit/intrinsics.cpp b/src/jit/intrinsics.cpp
new file mode 100644
index 00000000..2abdf7d8
--- /dev/null
+++ b/src/jit/intrinsics.cpp
@@ -0,0 +1,20 @@
+/* @file intrinsics.cpp */
+
+#include "intrinsics.hpp"
+
+/* FIXME: don't know how to mangle symbols yet,
+ * so putting functions invoked from jit into global namespace
+ */
+extern "C"
+int32_t
+mul_i32(int32_t x, int32_t y) {
+    return x * y;
+}
+
+extern "C"
+double
+mul_f64(double x, double y) {
+    return x * y;
+}
+
+/* end intrinsics.cpp */