1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2021 Hengqi Chen */
 3
 4#include <test_progs.h>
 5#include <bpf/btf.h>
 6
 7static const char *module_name = "bpf_testmod";
 8static const char *symbol_name = "bpf_testmod_test_read";
 9
10void test_btf_module()
11{
12	struct btf *vmlinux_btf, *module_btf;
13	__s32 type_id;
14
15	if (!env.has_testmod) {
16		test__skip();
17		return;
18	}
19
20	vmlinux_btf = btf__load_vmlinux_btf();
21	if (!ASSERT_OK_PTR(vmlinux_btf, "could not load vmlinux BTF"))
22		return;
23
24	module_btf = btf__load_module_btf(module_name, vmlinux_btf);
25	if (!ASSERT_OK_PTR(module_btf, "could not load module BTF"))
26		goto cleanup;
27
28	type_id = btf__find_by_name(module_btf, symbol_name);
29	ASSERT_GT(type_id, 0, "func not found");
30
31cleanup:
32	btf__free(module_btf);
33	btf__free(vmlinux_btf);
34}