bpf/prog_tests/get_func_args_test.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include <test_progs.h>
0003 #include "get_func_args_test.skel.h"
0004
0005 void test_get_func_args_test(void)
0006 {
0007     struct get_func_args_test *skel = NULL;
0008     int err, prog_fd;
0009     LIBBPF_OPTS(bpf_test_run_opts, topts);
0010
0011     skel = get_func_args_test__open_and_load();
0012     if (!ASSERT_OK_PTR(skel, "get_func_args_test__open_and_load"))
0013         return;
0014
0015     err = get_func_args_test__attach(skel);
0016     if (!ASSERT_OK(err, "get_func_args_test__attach"))
0017         goto cleanup;
0018
0019     /* This runs bpf_fentry_test* functions and triggers
0020      * fentry/fexit programs.
0021      */
0022     prog_fd = bpf_program__fd(skel->progs.test1);
0023     err = bpf_prog_test_run_opts(prog_fd, &topts);
0024     ASSERT_OK(err, "test_run");
0025     ASSERT_EQ(topts.retval, 0, "test_run");
0026
0027     /* This runs bpf_modify_return_test function and triggers
0028      * fmod_ret_test and fexit_test programs.
0029      */
0030     prog_fd = bpf_program__fd(skel->progs.fmod_ret_test);
0031     err = bpf_prog_test_run_opts(prog_fd, &topts);
0032     ASSERT_OK(err, "test_run");
0033     ASSERT_EQ(topts.retval, 1234, "test_run");
0034
0035     ASSERT_EQ(skel->bss->test1_result, 1, "test1_result");
0036     ASSERT_EQ(skel->bss->test2_result, 1, "test2_result");
0037     ASSERT_EQ(skel->bss->test3_result, 1, "test3_result");
0038     ASSERT_EQ(skel->bss->test4_result, 1, "test4_result");
0039
0040 cleanup:
0041     get_func_args_test__destroy(skel);
0042 }