1 files changed, 45 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_btf_nokv.c b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
new file mode 100644
index 000000000..1dabb88f8
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2018 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct ipv_counts {
+	unsigned int v4;
+	unsigned int v6;
+};
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(key_size, sizeof(int));
+	__uint(value_size, sizeof(struct ipv_counts));
+	__uint(max_entries, 4);
+} btf_map SEC(".maps");
+
+__attribute__((noinline))
+int test_long_fname_2(void)
+{
+	struct ipv_counts *counts;
+	int key = 0;
+
+	counts = bpf_map_lookup_elem(&btf_map, &key);
+	if (!counts)
+		return 0;
+
+	counts->v6++;
+
+	return 0;
+}
+
+__attribute__((noinline))
+int test_long_fname_1(void)
+{
+	return test_long_fname_2();
+}
+
+SEC("dummy_tracepoint")
+int _dummy_tracepoint(void *arg)
+{
+	return test_long_fname_1();
+}
+
+char _license[] SEC("license") = "GPL";