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| author |   Yonghong Song <yhs@fb.com> | 2021-11-11 17:26:30 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2021-11-11 17:41:11 -0800 |
| commit | 6aa5dabc9d0ef722905e4ca4f9751d70cf3ec8a4 (patch) | |
| tree | a5027874823e8ab51508cb7f4e06899fc0695292 /tools | |
| parent | selftests/bpf: Test libbpf API function btf__add_type_tag() (diff) | |
| download | linux-dev-6aa5dabc9d0ef722905e4ca4f9751d70cf3ec8a4.tar.xz linux-dev-6aa5dabc9d0ef722905e4ca4f9751d70cf3ec8a4.zip | |
selftests/bpf: Add BTF_KIND_TYPE_TAG unit tests
Add BTF_KIND_TYPE_TAG unit tests.
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/20211112012630.1506095-1-yhs@fb.com
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/btf.c | 18 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/test_btf.h | 3 |
2 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c index 1e8b36d74df2..88510a2d9858 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf.c +++ b/tools/testing/selftests/bpf/prog_tests/btf.c @@ -3939,6 +3939,23 @@ static struct btf_raw_test raw_tests[] = { .btf_load_err = true, .err_str = "Invalid component_idx", }, +{ + .descr = "type_tag test #1", + .raw_types = { + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ + BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */ + BTF_PTR_ENC(2), /* [3] */ + BTF_END_RAW, + }, + BTF_STR_SEC("\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, +}, }; /* struct btf_raw_test raw_tests[] */ @@ -7222,6 +7239,7 @@ static int btf_type_size(const struct btf_type *t) case BTF_KIND_TYPEDEF: case BTF_KIND_FUNC: case BTF_KIND_FLOAT: + case BTF_KIND_TYPE_TAG: return base_size; case BTF_KIND_INT: return base_size + sizeof(__u32); diff --git a/tools/testing/selftests/bpf/test_btf.h b/tools/testing/selftests/bpf/test_btf.h index 32c7a57867da..128989bed8b7 100644 --- a/tools/testing/selftests/bpf/test_btf.h +++ b/tools/testing/selftests/bpf/test_btf.h @@ -72,4 +72,7 @@ #define BTF_DECL_TAG_ENC(value, type, component_idx) \ BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), type), (component_idx) +#define BTF_TYPE_TAG_ENC(value, type) \ + BTF_TYPE_ENC(value, BTF_INFO_ENC(BTF_KIND_TYPE_TAG, 0, 0), type) + #endif /* _TEST_BTF_H */ |