diff mbox series

[bpf-next,2/2] selftests/bpf: Update btf_dump case for conflict FWD and STRUCT name

Message ID 20220222074524.1027060-3-xukuohai@huawei.com (mailing list archive)
State Changes Requested
Delegated to: BPF
Headers show
Series libbpf: Fix btf dump error for BTF_KIND_FWD | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-PR success PR summary
netdev/tree_selection success Clearly marked for bpf-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 5 maintainers not CCed: linux-kselftest@vger.kernel.org kpsingh@kernel.org john.fastabend@gmail.com alan.maguire@oracle.com netdev@vger.kernel.org
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 36 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
bpf/vmtest-bpf-next success VM_Test

Commit Message

Xu Kuohai Feb. 22, 2022, 7:45 a.m. UTC
Update btf_dump test case for conflict FWD and STRUCT name.

Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
---
 tools/testing/selftests/bpf/prog_tests/btf_dump.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

Comments

Song Liu Feb. 23, 2022, 5:38 a.m. UTC | #1
On Mon, Feb 21, 2022 at 11:41 PM Xu Kuohai <xukuohai@huawei.com> wrote:
>
> Update btf_dump test case for conflict FWD and STRUCT name.
>
> Signed-off-by: Xu Kuohai <xukuohai@huawei.com>

Acked-by: Song Liu <songliubraving@fb.com>

> ---
>  tools/testing/selftests/bpf/prog_tests/btf_dump.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
> index 9e26903f9170..2539a8f8b098 100644
> --- a/tools/testing/selftests/bpf/prog_tests/btf_dump.c
> +++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
> @@ -150,6 +150,8 @@ static void test_btf_dump_incremental(void)
>          *
>          * enum { VAL = 1 };
>          *
> +        * struct s;
> +        *
>          * struct s { int x; };
>          *
>          */
> @@ -161,8 +163,11 @@ static void test_btf_dump_incremental(void)
>         id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED);
>         ASSERT_EQ(id, 2, "int_id");
>
> +       id = btf__add_fwd(btf, "s", BTF_FWD_STRUCT);
> +       ASSERT_EQ(id, 3, "fwd_id");
> +
>         id = btf__add_struct(btf, "s", 4);
> -       ASSERT_EQ(id, 3, "struct_id");
> +       ASSERT_EQ(id, 4, "struct_id");
>         err = btf__add_field(btf, "x", 2, 0, 0);
>         ASSERT_OK(err, "field_ok");
>
> @@ -178,6 +183,8 @@ static void test_btf_dump_incremental(void)
>  "      VAL = 1,\n"
>  "};\n"
>  "\n"
> +"struct s;\n"
> +"\n"
>  "struct s {\n"
>  "      int x;\n"
>  "};\n\n", "c_dump1");
> @@ -199,7 +206,7 @@ static void test_btf_dump_incremental(void)
>         fseek(dump_buf_file, 0, SEEK_SET);
>
>         id = btf__add_struct(btf, "s", 4);
> -       ASSERT_EQ(id, 4, "struct_id");
> +       ASSERT_EQ(id, 5, "struct_id");
>         err = btf__add_field(btf, "x", 1, 0, 0);
>         ASSERT_OK(err, "field_ok");
>         err = btf__add_field(btf, "s", 3, 32, 0);
> --
> 2.30.2
>
Andrii Nakryiko Feb. 23, 2022, 10:43 p.m. UTC | #2
On Mon, Feb 21, 2022 at 11:34 PM Xu Kuohai <xukuohai@huawei.com> wrote:
>
> Update btf_dump test case for conflict FWD and STRUCT name.
>
> Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
> ---

Would be good to also add enum forward declaration case, just in case
(see patch #1)


>  tools/testing/selftests/bpf/prog_tests/btf_dump.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
> index 9e26903f9170..2539a8f8b098 100644
> --- a/tools/testing/selftests/bpf/prog_tests/btf_dump.c
> +++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
> @@ -150,6 +150,8 @@ static void test_btf_dump_incremental(void)
>          *
>          * enum { VAL = 1 };
>          *
> +        * struct s;
> +        *
>          * struct s { int x; };
>          *
>          */
> @@ -161,8 +163,11 @@ static void test_btf_dump_incremental(void)
>         id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED);
>         ASSERT_EQ(id, 2, "int_id");
>
> +       id = btf__add_fwd(btf, "s", BTF_FWD_STRUCT);
> +       ASSERT_EQ(id, 3, "fwd_id");
> +
>         id = btf__add_struct(btf, "s", 4);
> -       ASSERT_EQ(id, 3, "struct_id");
> +       ASSERT_EQ(id, 4, "struct_id");
>         err = btf__add_field(btf, "x", 2, 0, 0);
>         ASSERT_OK(err, "field_ok");
>
> @@ -178,6 +183,8 @@ static void test_btf_dump_incremental(void)
>  "      VAL = 1,\n"
>  "};\n"
>  "\n"
> +"struct s;\n"
> +"\n"
>  "struct s {\n"
>  "      int x;\n"
>  "};\n\n", "c_dump1");
> @@ -199,7 +206,7 @@ static void test_btf_dump_incremental(void)
>         fseek(dump_buf_file, 0, SEEK_SET);
>
>         id = btf__add_struct(btf, "s", 4);
> -       ASSERT_EQ(id, 4, "struct_id");
> +       ASSERT_EQ(id, 5, "struct_id");
>         err = btf__add_field(btf, "x", 1, 0, 0);
>         ASSERT_OK(err, "field_ok");
>         err = btf__add_field(btf, "s", 3, 32, 0);
> --
> 2.30.2
>
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/btf_dump.c b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
index 9e26903f9170..2539a8f8b098 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf_dump.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf_dump.c
@@ -150,6 +150,8 @@  static void test_btf_dump_incremental(void)
 	 *
 	 * enum { VAL = 1 };
 	 *
+	 * struct s;
+	 *
 	 * struct s { int x; };
 	 *
 	 */
@@ -161,8 +163,11 @@  static void test_btf_dump_incremental(void)
 	id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED);
 	ASSERT_EQ(id, 2, "int_id");
 
+	id = btf__add_fwd(btf, "s", BTF_FWD_STRUCT);
+	ASSERT_EQ(id, 3, "fwd_id");
+
 	id = btf__add_struct(btf, "s", 4);
-	ASSERT_EQ(id, 3, "struct_id");
+	ASSERT_EQ(id, 4, "struct_id");
 	err = btf__add_field(btf, "x", 2, 0, 0);
 	ASSERT_OK(err, "field_ok");
 
@@ -178,6 +183,8 @@  static void test_btf_dump_incremental(void)
 "	VAL = 1,\n"
 "};\n"
 "\n"
+"struct s;\n"
+"\n"
 "struct s {\n"
 "	int x;\n"
 "};\n\n", "c_dump1");
@@ -199,7 +206,7 @@  static void test_btf_dump_incremental(void)
 	fseek(dump_buf_file, 0, SEEK_SET);
 
 	id = btf__add_struct(btf, "s", 4);
-	ASSERT_EQ(id, 4, "struct_id");
+	ASSERT_EQ(id, 5, "struct_id");
 	err = btf__add_field(btf, "x", 1, 0, 0);
 	ASSERT_OK(err, "field_ok");
 	err = btf__add_field(btf, "s", 3, 32, 0);