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-rw-r--r--py/stackctrl.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/py/stackctrl.h b/py/stackctrl.h
index e915f5000..2fb3784c5 100644
--- a/py/stackctrl.h
+++ b/py/stackctrl.h
@@ -45,4 +45,12 @@ void mp_stack_check(void);
#endif
+#if MICROPY_MAX_STACK_USAGE
+
+const char MP_MAX_STACK_USAGE_SENTINEL_BYTE;
+void mp_stack_set_bottom(void* stack_bottom);
+void mp_stack_fill_with_sentinel(void);
+
+#endif
+
#endif // __MICROPY_INCLUDED_PY_STACKCTRL_H__