kernel/tools/testing/selftests/bpf/prog_tests/reference_tracking.c
2024-07-22 17:22:30 +08:00

53 lines
1.2 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
void test_reference_tracking(void)
{
const char *file = "test_sk_lookup_kern.o";
const char *obj_name = "ref_track";
DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,
.object_name = obj_name,
.relaxed_maps = true,
);
struct bpf_object *obj;
struct bpf_program *prog;
__u32 duration = 0;
int err = 0;
obj = bpf_object__open_file(file, &open_opts);
if (!ASSERT_OK_PTR(obj, "obj_open_file"))
return;
if (CHECK(strcmp(bpf_object__name(obj), obj_name), "obj_name",
"wrong obj name '%s', expected '%s'\n",
bpf_object__name(obj), obj_name))
goto cleanup;
bpf_object__for_each_program(prog, obj) {
const char *title;
/* Ignore .text sections */
title = bpf_program__section_name(prog);
if (strstr(title, ".text") != NULL)
continue;
if (!test__start_subtest(title))
continue;
/* Expect verifier failure if test name has 'err' */
if (strstr(title, "err_") != NULL) {
libbpf_print_fn_t old_print_fn;
old_print_fn = libbpf_set_print(NULL);
err = !bpf_program__load(prog, "GPL", 0);
libbpf_set_print(old_print_fn);
} else {
err = bpf_program__load(prog, "GPL", 0);
}
CHECK(err, title, "\n");
}
cleanup:
bpf_object__close(obj);
}