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selftests/bpf: Add set test to resolve_btfids

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Adding test to for sets resolve_btfids. We're checking that
testing set gets properly resolved and sorted.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200825192124.710397-15-jolsa@kernel.org
This commit is contained in:
Jiri Olsa 2020-08-25 21:21:24 +02:00 committed by Alexei Starovoitov
parent e4d1af4b16
commit cd04b04de1
1 changed files with 38 additions and 1 deletions
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39
tools/testing/selftests/bpf/prog_tests/resolve_btfids.c
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@ -47,6 +47,15 @@ BTF_ID(struct, S)
BTF_ID(union, U)
BTF_ID(func, func)
BTF_SET_START(test_set)
BTF_ID(typedef, S)
BTF_ID(typedef, T)
BTF_ID(typedef, U)
BTF_ID(struct, S)
BTF_ID(union, U)
BTF_ID(func, func)
BTF_SET_END(test_set)
static int
__resolve_symbol(struct btf *btf, int type_id)
{
@ -116,12 +125,40 @@ int test_resolve_btfids(void)
*/
for (j = 0; j < ARRAY_SIZE(test_lists); j++) {
test_list = test_lists[j];
for (i = 0; i < ARRAY_SIZE(test_symbols) && !ret; i++) {
for (i = 0; i < ARRAY_SIZE(test_symbols); i++) {
ret = CHECK(test_list[i] != test_symbols[i].id,
"id_check",
"wrong ID for %s (%d != %d)\n",
test_symbols[i].name,
test_list[i], test_symbols[i].id);
if (ret)
return ret;
}
}
/* Check BTF_SET_START(test_set) IDs */
for (i = 0; i < test_set.cnt; i++) {
bool found = false;
for (j = 0; j < ARRAY_SIZE(test_symbols); j++) {
if (test_symbols[j].id != test_set.ids[i])
continue;
found = true;
break;
}
ret = CHECK(!found, "id_check",
"ID %d not found in test_symbols\n",
test_set.ids[i]);
if (ret)
break;
if (i > 0) {
ret = CHECK(test_set.ids[i - 1] > test_set.ids[i],
"sort_check",
"test_set is not sorted\n");
if (ret)
break;
}
}