1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2019 Facebook */ 3 #include <test_progs.h> 4 #include "fentry_test.skel.h" 5 6 void test_fentry_test(void) 7 { 8 struct fentry_test *fentry_skel = NULL; 9 int err, prog_fd, i; 10 __u32 duration = 0, retval; 11 __u64 *result; 12 13 fentry_skel = fentry_test__open_and_load(); 14 if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n")) 15 goto cleanup; 16 17 err = fentry_test__attach(fentry_skel); 18 if (CHECK(err, "fentry_attach", "fentry attach failed: %d\n", err)) 19 goto cleanup; 20 21 prog_fd = bpf_program__fd(fentry_skel->progs.test1); 22 err = bpf_prog_test_run(prog_fd, 1, NULL, 0, 23 NULL, NULL, &retval, &duration); 24 CHECK(err || retval, "test_run", 25 "err %d errno %d retval %d duration %d\n", 26 err, errno, retval, duration); 27 28 result = (__u64 *)fentry_skel->bss; 29 for (i = 0; i < 6; i++) { 30 if (CHECK(result[i] != 1, "result", 31 "fentry_test%d failed err %lld\n", i + 1, result[i])) 32 goto cleanup; 33 } 34 35 cleanup: 36 fentry_test__destroy(fentry_skel); 37 } 38