diff options
| author | Yonghong Song <yhs@fb.com> | 2021-09-14 15:30:36 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-09-14 18:45:52 -0700 |
| commit | 71d29c2d47d112404fe23e31cf33f7cccde75a8c (patch) | |
| tree | 2fc32a603b9d22cdeda200670811b86b8862eff2 /tools/testing/selftests/bpf/btf_helpers.c | |
| parent | 5c07f2fec00361fb5e8cff8ba7fdede7b29f38bd (diff) | |
selftests/bpf: Test libbpf API function btf__add_tag()
Add btf_write tests with btf__add_tag() function.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210914223036.247560-1-yhs@fb.com
Diffstat (limited to 'tools/testing/selftests/bpf/btf_helpers.c')
| -rw-r--r-- | tools/testing/selftests/bpf/btf_helpers.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/btf_helpers.c b/tools/testing/selftests/bpf/btf_helpers.c index b692e6ead9b5..ce103fb0ad1b 100644 --- a/tools/testing/selftests/bpf/btf_helpers.c +++ b/tools/testing/selftests/bpf/btf_helpers.c @@ -24,11 +24,12 @@ static const char * const btf_kind_str_mapping[] = { [BTF_KIND_VAR] = "VAR", [BTF_KIND_DATASEC] = "DATASEC", [BTF_KIND_FLOAT] = "FLOAT", + [BTF_KIND_TAG] = "TAG", }; static const char *btf_kind_str(__u16 kind) { - if (kind > BTF_KIND_DATASEC) + if (kind > BTF_KIND_TAG) return "UNKNOWN"; return btf_kind_str_mapping[kind]; } @@ -177,6 +178,10 @@ int fprintf_btf_type_raw(FILE *out, const struct btf *btf, __u32 id) case BTF_KIND_FLOAT: fprintf(out, " size=%u", t->size); break; + case BTF_KIND_TAG: + fprintf(out, " type_id=%u component_idx=%d", + t->type, btf_tag(t)->component_idx); + break; default: break; } |