Commit 9d19a12b authored by Yonghong Song's avatar Yonghong Song Committed by Alexei Starovoitov

selftests/bpf: Add BTF_KIND_DECL_TAG typedef unit tests

Test good and bad variants of typedef BTF_KIND_DECL_TAG encoding.
Signed-off-by: default avatarYonghong Song <yhs@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211021195633.4019472-1-yhs@fb.com
parent bd16dee6
......@@ -3903,6 +3903,42 @@ static struct btf_raw_test raw_tests[] = {
.btf_load_err = true,
.err_str = "Invalid component_idx",
},
{
.descr = "decl_tag test #13, typedef, well-formed",
.raw_types = {
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
BTF_END_RAW,
},
BTF_STR_SEC("\0t\0tag"),
.map_type = BPF_MAP_TYPE_ARRAY,
.map_name = "tag_type_check_btf",
.key_size = sizeof(int),
.value_size = 4,
.key_type_id = 1,
.value_type_id = 1,
.max_entries = 1,
},
{
.descr = "decl_tag test #14, typedef, invalid component_idx",
.raw_types = {
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
BTF_END_RAW,
},
BTF_STR_SEC("\0local\0tag"),
.map_type = BPF_MAP_TYPE_ARRAY,
.map_name = "tag_type_check_btf",
.key_size = sizeof(int),
.value_size = 4,
.key_type_id = 1,
.value_type_id = 1,
.max_entries = 1,
.btf_load_err = true,
.err_str = "Invalid component_idx",
},
}; /* struct btf_raw_test raw_tests[] */
......
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