1 files changed, 24 insertions, 0 deletions
diff --git a/head/atas/trace.h b/head/atas/trace.h
new file mode 100644
index 0000000..a799aa5
--- /dev/null
+++ b/head/atas/trace.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+#ifndef ATAS_TRACE_H
+#define ATAS_TRACE_H 1
+
+#include <stdio.h>
+
+#if defined(ATAS_DEBUG)
+#define trace_debug(fmt, ...) \
+    printf("[debug]: " fmt, ##__VA_ARGS__)
+#else
+#define trace_debug(...)      \
+    ((void)0)
+#endif
+
+#define trace_warn(fmt, ...) \
+    printf("[warning]: " fmt, ##__VA_ARGS__)
+#define trace_fatal(fmt, ...) \
+    printf("[fatal]: " fmt, ##__VA_ARGS__)
+
+#endif  /* !ATAS_TRACE_H */