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selftests/bpf: Rename progs/tag.c to progs/btf_decl_tag.c

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Rename progs/tag.c to progs/btf_decl_tag.c so we can introduce
progs/btf_type_tag.c in the next patch.

Also create a subtest for btf_decl_tag in prog_tests/btf_tag.c
so we can introduce btf_type_tag subtest in the next patch.

I also took opportunity to remove the check whether __has_attribute
is defined or not in progs/btf_decl_tag.c since all recent
clangs should already support this macro.

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/20211112012641.1507144-1-yhs@fb.com
This commit is contained in:
Yonghong Song
2021-11-11 17:26:41 -08:00
committed by Alexei Starovoitov
parent 846f4826d1
commit 26c79fcbfa
2 changed files with 13 additions and 11 deletions
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20
tools/testing/selftests/bpf/prog_tests/btf_tag.c
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@@ -1,20 +1,26 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
#include <test_progs.h>
#include "tag.skel.h"
#include "btf_decl_tag.skel.h"
void test_btf_tag(void)
static void test_btf_decl_tag(void)
{
struct tag *skel;
struct btf_decl_tag *skel;
skel = tag__open_and_load();
if (!ASSERT_OK_PTR(skel, "btf_tag"))
skel = btf_decl_tag__open_and_load();
if (!ASSERT_OK_PTR(skel, "btf_decl_tag"))
return;
if (skel->rodata->skip_tests) {
printf("%s:SKIP: btf_tag attribute not supported", __func__);
printf("%s:SKIP: btf_decl_tag attribute not supported", __func__);
test__skip();
}
tag__destroy(skel);
btf_decl_tag__destroy(skel);
}
void test_btf_tag(void)
{
if (test__start_subtest("btf_decl_tag"))
test_btf_decl_tag();
}

4
tools/testing/selftests/bpf/progs/tag.c → tools/testing/selftests/bpf/progs/btf_decl_tag.c
View File

@@ -4,10 +4,6 @@
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if __has_attribute(btf_decl_tag)
#define __tag1 __attribute__((btf_decl_tag("tag1")))
#define __tag2 __attribute__((btf_decl_tag("tag2")))