From: Yonghong Song <yhs@fb.com>
To: <bpf@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
"Jose E . Marchesi" <jose.marchesi@oracle.com>,
<kernel-team@fb.com>
Subject: [PATCH bpf-next 06/10] selftests/bpf: Test BTF_KIND_DECL_TAG for deduplication
Date: Tue, 9 Nov 2021 21:20:12 -0800 [thread overview]
Message-ID: <20211110052012.371411-1-yhs@fb.com> (raw)
In-Reply-To: <20211110051940.367472-1-yhs@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
---
tools/testing/selftests/bpf/prog_tests/btf.c | 46 ++++++++++++++++++--
1 file changed, 42 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c
index ebd0ead5f4bc..91b19c41729f 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf.c
@@ -6889,15 +6889,16 @@ const struct btf_dedup_test dedup_tests[] = {
BTF_RESTRICT_ENC(8), /* [11] restrict */
BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
- BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8),
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
+ BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
BTF_END_RAW,
},
- BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q"),
+ BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R"),
},
.expect = {
.raw_types = {
@@ -6918,15 +6919,16 @@ const struct btf_dedup_test dedup_tests[] = {
BTF_RESTRICT_ENC(8), /* [11] restrict */
BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
- BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8),
+ BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
+ BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
BTF_END_RAW,
},
- BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q"),
+ BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R"),
},
.opts = {
.dont_resolve_fwds = false,
@@ -7254,6 +7256,42 @@ const struct btf_dedup_test dedup_tests[] = {
.dont_resolve_fwds = false,
},
},
+{
+ .descr = "dedup: btf_tag_type",
+ .input = {
+ .raw_types = {
+ /* int */
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ /* tag: tag1, tag2 */
+ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
+ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
+ BTF_PTR_ENC(3), /* [4] */
+ /* tag: tag1, tag2 */
+ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */
+ BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */
+ BTF_PTR_ENC(6), /* [7] */
+ /* tag: tag1 */
+ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */
+ BTF_PTR_ENC(8), /* [9] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0tag1\0tag2"),
+ },
+ .expect = {
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
+ BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
+ BTF_PTR_ENC(3), /* [4] */
+ BTF_PTR_ENC(2), /* [5] */
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0tag1\0tag2"),
+ },
+ .opts = {
+ .dont_resolve_fwds = false,
+ },
+},
};
--
2.30.2
next prev parent reply other threads:[~2021-11-10 5:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-10 5:19 [PATCH bpf-next 00/10] Support BTF_KIND_TYPE_TAG for btf_type_tag attributes Yonghong Song
2021-11-10 5:19 ` [PATCH bpf-next 01/10] bpf: " Yonghong Song
2021-11-11 18:27 ` Andrii Nakryiko
2021-11-11 19:11 ` Yonghong Song
2021-11-10 5:19 ` [PATCH bpf-next 02/10] libbpf: Support BTF_KIND_TYPE_TAG Yonghong Song
2021-11-11 18:41 ` Andrii Nakryiko
2021-11-11 19:13 ` Yonghong Song
2021-11-10 5:19 ` [PATCH bpf-next 03/10] bpftool: " Yonghong Song
2021-11-11 18:43 ` Andrii Nakryiko
2021-11-10 5:20 ` [PATCH bpf-next 04/10] selftests/bpf: Test libbpf API function btf__add_type_tag() Yonghong Song
2021-11-11 18:44 ` Andrii Nakryiko
2021-11-10 5:20 ` [PATCH bpf-next 05/10] selftests/bpf: Add BTF_KIND_TYPE_TAG unit tests Yonghong Song
2021-11-11 18:45 ` Andrii Nakryiko
2021-11-10 5:20 ` Yonghong Song [this message]
2021-11-11 18:49 ` [PATCH bpf-next 06/10] selftests/bpf: Test BTF_KIND_DECL_TAG for deduplication Andrii Nakryiko
2021-11-11 19:13 ` Yonghong Song
2021-11-10 5:20 ` [PATCH bpf-next 07/10] selftests/bpf: Rename progs/tag.c to progs/btf_decl_tag.c Yonghong Song
2021-11-11 18:51 ` Andrii Nakryiko
2021-11-10 5:20 ` [PATCH bpf-next 08/10] selftests/bpf: Add a C test for btf_type_tag Yonghong Song
2021-11-11 18:55 ` Andrii Nakryiko
2021-11-11 19:19 ` Yonghong Song
2021-11-10 5:20 ` [PATCH bpf-next 09/10] selftests/bpf: Clarify llvm dependency with btf_tag selftest Yonghong Song
2021-11-11 18:56 ` Andrii Nakryiko
2021-11-10 5:20 ` [PATCH bpf-next 10/10] docs/bpf: Update documentation for BTF_KIND_TYPE_TAG support Yonghong Song
2021-11-11 18:56 ` Andrii Nakryiko
2021-11-10 5:28 ` [PATCH bpf-next 00/10] Support BTF_KIND_TYPE_TAG for btf_type_tag attributes Alexei Starovoitov
2021-11-10 6:26 ` Yonghong Song
2021-11-10 16:40 ` Alexei Starovoitov
2021-11-10 17:04 ` Yonghong Song
2021-11-11 1:47 ` Alexei Starovoitov
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