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>, <kernel-team@fb.com>
Subject: [PATCH bpf-next v4 14/18] selftests/bpf: Add BTF_KIND_ENUM64 unit tests
Date: Thu, 2 Jun 2022 19:00:08 -0700 [thread overview]
Message-ID: <20220603020008.1192507-1-yhs@fb.com> (raw)
In-Reply-To: <20220603015855.1187538-1-yhs@fb.com>
Add unit tests for basic BTF_KIND_ENUM64 encoding.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Yonghong Song <yhs@fb.com>
---
tools/testing/selftests/bpf/prog_tests/btf.c | 36 ++++++++++++++++++++
tools/testing/selftests/bpf/test_btf.h | 1 +
2 files changed, 37 insertions(+)
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c
index 8e068e06b3e8..a986ee56c5f7 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf.c
@@ -4052,6 +4052,42 @@ static struct btf_raw_test raw_tests[] = {
.btf_load_err = true,
.err_str = "Type tags don't precede modifiers",
},
+{
+ .descr = "enum64 test #1, unsigned, size 8",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */
+ BTF_ENUM64_ENC(NAME_TBD, 0, 0),
+ BTF_ENUM64_ENC(NAME_TBD, 1, 1),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0a\0b\0c"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "tag_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = 8,
+ .key_type_id = 1,
+ .value_type_id = 2,
+ .max_entries = 1,
+},
+{
+ .descr = "enum64 test #2, signed, size 4",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */
+ BTF_ENUM64_ENC(NAME_TBD, -1, 0),
+ BTF_ENUM64_ENC(NAME_TBD, 1, 0),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0a\0b\0c"),
+ .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 = 2,
+ .max_entries = 1,
+},
}; /* struct btf_raw_test raw_tests[] */
diff --git a/tools/testing/selftests/bpf/test_btf.h b/tools/testing/selftests/bpf/test_btf.h
index 128989bed8b7..38782bd47fdc 100644
--- a/tools/testing/selftests/bpf/test_btf.h
+++ b/tools/testing/selftests/bpf/test_btf.h
@@ -39,6 +39,7 @@
#define BTF_MEMBER_ENC(name, type, bits_offset) \
(name), (type), (bits_offset)
#define BTF_ENUM_ENC(name, val) (name), (val)
+#define BTF_ENUM64_ENC(name, val_lo32, val_hi32) (name), (val_lo32), (val_hi32)
#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
((bitfield_size) << 24 | (bits_offset))
--
2.30.2
next prev parent reply other threads:[~2022-06-03 2:00 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-03 1:58 [PATCH bpf-next v4 00/18] bpf: Add 64bit enum value support Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 01/18] bpf: Add btf enum64 support Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 02/18] libbpf: Permit 64bit relocation value Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 03/18] libbpf: Fix an error in 64bit relocation value computation Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 04/18] libbpf: Refactor btf__add_enum() for future code sharing Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 05/18] libbpf: Add enum64 parsing and new enum64 public API Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 06/18] libbpf: Add enum64 deduplication support Yonghong Song
2022-06-03 21:44 ` Andrii Nakryiko
2022-06-03 1:59 ` [PATCH bpf-next v4 07/18] libbpf: Add enum64 support for btf_dump Yonghong Song
2022-06-03 21:46 ` Andrii Nakryiko
2022-06-03 1:59 ` [PATCH bpf-next v4 08/18] libbpf: Add enum64 sanitization Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 09/18] libbpf: Add enum64 support for bpf linking Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 10/18] libbpf: Add enum64 relocation support Yonghong Song
2022-06-03 21:49 ` Andrii Nakryiko
2022-06-03 1:59 ` [PATCH bpf-next v4 11/18] bpftool: Add btf enum64 support Yonghong Song
2022-06-03 1:59 ` [PATCH bpf-next v4 12/18] selftests/bpf: Fix selftests failure Yonghong Song
2022-06-03 2:00 ` [PATCH bpf-next v4 13/18] selftests/bpf: Test new enum kflag and enum64 API functions Yonghong Song
2022-06-03 2:00 ` Yonghong Song [this message]
2022-06-03 2:00 ` [PATCH bpf-next v4 15/18] selftests/bpf: Test BTF_KIND_ENUM64 for deduplication Yonghong Song
2022-06-03 2:00 ` [PATCH bpf-next v4 16/18] selftests/bpf: Add a test for enum64 value relocations Yonghong Song
2022-06-03 15:14 ` Alexei Starovoitov
2022-06-03 20:22 ` Andrii Nakryiko
2022-06-03 20:24 ` Andrii Nakryiko
2022-06-04 2:51 ` Yonghong Song
2022-06-04 9:34 ` Alexei Starovoitov
2022-06-03 2:00 ` [PATCH bpf-next v4 17/18] selftests/bpf: Clarify llvm dependency with possible selftest failures Yonghong Song
2022-06-03 2:00 ` [PATCH bpf-next v4 18/18] docs/bpf: Update documentation for BTF_KIND_ENUM64 support Yonghong Song
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