1 files changed, 3 insertions, 2 deletions
diff --git a/vm_dump.c b/vm_dump.c
index 9d31037fc2..485d7558ce 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -11,12 +11,13 @@
 
 #include "ruby/ruby.h"
 #include "ruby/node.h"
-
 #include "vm_core.h"
-#include "vm.h"
 
 #define MAX_POSBUF 128
 
+#define VM_CFP_CNT(th, cfp) \
+  ((rb_control_frame_t *)(th->stack + th->stack_size) - (rb_control_frame_t *)(cfp))
+
 static void
 control_frame_dump(rb_thread_t *th, rb_control_frame_t *cfp)
 {