// SPDX-License-Identifier: GPL-2.0 #include void test_reference_tracking(void) { const char *file = "test_sk_lookup_kern.bpf.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_iter, *obj = NULL; struct bpf_program *prog; __u32 duration = 0; int err = 0; obj_iter = bpf_object__open_file(file, &open_opts); if (!ASSERT_OK_PTR(obj_iter, "obj_iter_open_file")) return; if (CHECK(strcmp(bpf_object__name(obj_iter), obj_name), "obj_name", "wrong obj name '%s', expected '%s'\n", bpf_object__name(obj_iter), obj_name)) goto cleanup; bpf_object__for_each_program(prog, obj_iter) { struct bpf_program *p; const char *name; name = bpf_program__name(prog); if (!test__start_subtest(name)) continue; obj = bpf_object__open_file(file, &open_opts); if (!ASSERT_OK_PTR(obj, "obj_open_file")) goto cleanup; /* all programs are not loaded by default, so just set * autoload to true for the single prog under test */ p = bpf_object__find_program_by_name(obj, name); bpf_program__set_autoload(p, true); /* Expect verifier failure if test name has 'err' */ if (strncmp(name, "err_", sizeof("err_") - 1) == 0) { libbpf_print_fn_t old_print_fn; old_print_fn = libbpf_set_print(NULL); err = !bpf_object__load(obj); libbpf_set_print(old_print_fn); } else { err = bpf_object__load(obj); } ASSERT_OK(err, name); bpf_object__close(obj); obj = NULL; } cleanup: bpf_object__close(obj); bpf_object__close(obj_iter); }