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selftests/bpf: Update btf_dump__new() uses to v1.0+ variant 

Update to-be-deprecated forms of btf_dump__new().

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211111053624.190580-8-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2021-11-10 21:36:22 -08:00 committed by Alexei Starovoitov
parent 0b52a5f4b9
commit 60ba87bb6b
3 changed files with 15 additions and 26 deletions
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4
tools/testing/selftests/bpf/btf_helpers.c
View File

@ -238,7 +238,6 @@ const char *btf_type_c_dump(const struct btf *btf)
static char buf[16 * 1024];
FILE *buf_file;
struct btf_dump *d = NULL;
struct btf_dump_opts opts = {};
int err, i;
buf_file = fmemopen(buf, sizeof(buf) - 1, "w");
@ -247,8 +246,7 @@ const char *btf_type_c_dump(const struct btf *btf)
return NULL;
}
opts.ctx = buf_file;
d = btf_dump__new(btf, NULL, &opts, btf_dump_printf);
d = btf_dump__new(btf, btf_dump_printf, buf_file, NULL);
if (libbpf_get_error(d)) {
fprintf(stderr, "Failed to create btf_dump instance: %ld\n", libbpf_get_error(d));
goto err_out;

33
tools/testing/selftests/bpf/prog_tests/btf_dump.c
View File

@ -13,25 +13,23 @@ static struct btf_dump_test_case {
const char *name;
const char *file;
bool known_ptr_sz;
struct btf_dump_opts opts;
} btf_dump_test_cases[] = {
{"btf_dump: syntax", "btf_dump_test_case_syntax", true, {}},
{"btf_dump: ordering", "btf_dump_test_case_ordering", false, {}},
{"btf_dump: padding", "btf_dump_test_case_padding", true, {}},
{"btf_dump: packing", "btf_dump_test_case_packing", true, {}},
{"btf_dump: bitfields", "btf_dump_test_case_bitfields", true, {}},
{"btf_dump: multidim", "btf_dump_test_case_multidim", false, {}},
{"btf_dump: namespacing", "btf_dump_test_case_namespacing", false, {}},
{"btf_dump: syntax", "btf_dump_test_case_syntax", true},
{"btf_dump: ordering", "btf_dump_test_case_ordering", false},
{"btf_dump: padding", "btf_dump_test_case_padding", true},
{"btf_dump: packing", "btf_dump_test_case_packing", true},
{"btf_dump: bitfields", "btf_dump_test_case_bitfields", true},
{"btf_dump: multidim", "btf_dump_test_case_multidim", false},
{"btf_dump: namespacing", "btf_dump_test_case_namespacing", false},
};
static int btf_dump_all_types(const struct btf *btf,
const struct btf_dump_opts *opts)
static int btf_dump_all_types(const struct btf *btf, void *ctx)
{
size_t type_cnt = btf__type_cnt(btf);
struct btf_dump *d;
int err = 0, id;
d = btf_dump__new(btf, NULL, opts, btf_dump_printf);
d = btf_dump__new(btf, btf_dump_printf, ctx, NULL);
err = libbpf_get_error(d);
if (err)
return err;
@ -88,8 +86,7 @@ static int test_btf_dump_case(int n, struct btf_dump_test_case *t)
goto done;
}
t->opts.ctx = f;
err = btf_dump_all_types(btf, &t->opts);
err = btf_dump_all_types(btf, f);
fclose(f);
close(fd);
if (CHECK(err, "btf_dump", "failure during C dumping: %d\n", err)) {
@ -137,7 +134,6 @@ static void test_btf_dump_incremental(void)
{
struct btf *btf = NULL;
struct btf_dump *d = NULL;
struct btf_dump_opts opts;
int id, err, i;
dump_buf_file = open_memstream(&dump_buf, &dump_buf_sz);
@ -146,8 +142,7 @@ static void test_btf_dump_incremental(void)
btf = btf__new_empty();
if (!ASSERT_OK_PTR(btf, "new_empty"))
goto err_out;
opts.ctx = dump_buf_file;
d = btf_dump__new(btf, NULL, &opts, btf_dump_printf);
d = btf_dump__new(btf, btf_dump_printf, dump_buf_file, NULL);
if (!ASSERT_OK(libbpf_get_error(d), "btf_dump__new"))
goto err_out;
@ -815,7 +810,6 @@ static void test_btf_datasec(struct btf *btf, struct btf_dump *d, char *str,
static void test_btf_dump_datasec_data(char *str)
{
struct btf *btf;
struct btf_dump_opts opts = { .ctx = str };
char license[4] = "GPL";
struct btf_dump *d;
@ -823,7 +817,7 @@ static void test_btf_dump_datasec_data(char *str)
if (!ASSERT_OK_PTR(btf, "xdping_kern.o BTF not found"))
return;
d = btf_dump__new(btf, NULL, &opts, btf_dump_snprintf);
d = btf_dump__new(btf, btf_dump_snprintf, str, NULL);
if (!ASSERT_OK_PTR(d, "could not create BTF dump"))
goto out;
@ -837,7 +831,6 @@ out:
void test_btf_dump() {
char str[STRSIZE];
struct btf_dump_opts opts = { .ctx = str };
struct btf_dump *d;
struct btf *btf;
int i;
@ -857,7 +850,7 @@ void test_btf_dump() {
if (!ASSERT_OK_PTR(btf, "no kernel BTF found"))
return;
d = btf_dump__new(btf, NULL, &opts, btf_dump_snprintf);
d = btf_dump__new(btf, btf_dump_snprintf, str, NULL);
if (!ASSERT_OK_PTR(d, "could not create BTF dump"))
return;

4
tools/testing/selftests/bpf/prog_tests/btf_split.c
View File

@ -13,7 +13,6 @@ static void btf_dump_printf(void *ctx, const char *fmt, va_list args)
}
void test_btf_split() {
struct btf_dump_opts opts;
struct btf_dump *d = NULL;
const struct btf_type *t;
struct btf *btf1, *btf2;
@ -68,8 +67,7 @@ void test_btf_split() {
dump_buf_file = open_memstream(&dump_buf, &dump_buf_sz);
if (!ASSERT_OK_PTR(dump_buf_file, "dump_memstream"))
return;
opts.ctx = dump_buf_file;
d = btf_dump__new(btf2, NULL, &opts, btf_dump_printf);
d = btf_dump__new(btf2, btf_dump_printf, dump_buf_file, NULL);
if (!ASSERT_OK_PTR(d, "btf_dump__new"))
goto cleanup;
for (i = 1; i < btf__type_cnt(btf2); i++) {