diff --git a/lib/libc/amd64/gen/infinity.c b/lib/libc/amd64/gen/infinity.c
new file mode 100644
index 000000000000..ae2058064fdb
--- /dev/null
+++ b/lib/libc/amd64/gen/infinity.c
@@ -0,0 +1,6 @@
+/* infinity.c */
+
+#include <math.h>
+
+/* bytes for +Infinity on a 387 */
+char __infinity[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };
diff --git a/lib/libc/i386/gen/infinity.c b/lib/libc/i386/gen/infinity.c
new file mode 100644
index 000000000000..ae2058064fdb
--- /dev/null
+++ b/lib/libc/i386/gen/infinity.c
@@ -0,0 +1,6 @@
+/* infinity.c */
+
+#include <math.h>
+
+/* bytes for +Infinity on a 387 */
+char __infinity[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };