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
7 static const char *module_name = "bpf_testmod";
8 static const char *symbol_name = "bpf_testmod_test_read";
9
10 void 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
31 cleanup:
32 btf__free(module_btf);
33 btf__free(vmlinux_btf);
34 }
35
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