1 files changed, 3 insertions, 0 deletions

diff --git a/src/lj_trace.h b/src/lj_trace.h
index 7e86d963..e4cf2dc4 100644
--- a/src/lj_trace.h
+++ b/src/lj_trace.h
@@ -37,6 +37,9 @@ LJ_FUNC void lj_trace_ins(jit_State *J, const BCIns *pc);
 LJ_FUNCA void LJ_FASTCALL lj_trace_hot(jit_State *J, const BCIns *pc);
 LJ_FUNCA void LJ_FASTCALL lj_trace_stitch(jit_State *J, const BCIns *pc);
 LJ_FUNCA int LJ_FASTCALL lj_trace_exit(jit_State *J, void *exptr);
+#if LJ_UNWIND_EXT
+LJ_FUNC uintptr_t LJ_FASTCALL lj_trace_unwind(jit_State *J, uintptr_t addr, ExitNo *ep);
+#endif
 
 /* Signal asynchronous abort of trace or end of trace. */
 #define lj_trace_abort(g)       (G2J(g)->state &= ~LJ_TRACE_ACTIVE)