diff --git a/src/jit_debug_elf_file.s b/src/jit_debug_elf_file.s
new file mode 100644
index 0000000000..0bb967d6aa
--- /dev/null
+++ b/src/jit_debug_elf_file.s
@@ -0,0 +1,7 @@
+   .file "JIT mcode"
+   .text
+upb_jit_compiled_decoder:
+   .global upb_jit_compiled_decoder
+   .size upb_jit_compiled_decoder, 0x321
+   .type upb_jit_compiled_decoder STT_FUNC
+   .space 0x321