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| author | Jiri Olsa <jolsa@redhat.com> | 2021-12-08 20:32:45 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2021-12-13 09:25:59 -0800 |
| commit | 006004b715569f742535f70f3f06b41d8135486c (patch) | |
| tree | 7ade7429fb7c8cbbc59ee6a8b5b347e8bd099e95 /tools/testing/selftests/bpf/prog_tests/get_func_args_test.c | |
| parent | f92c1e183604c20ce00eb889315fdaa8f2d9e509 (diff) | |
| download | linux-006004b715569f742535f70f3f06b41d8135486c.tar.gz linux-006004b715569f742535f70f3f06b41d8135486c.tar.bz2 linux-006004b715569f742535f70f3f06b41d8135486c.zip | |
selftests/bpf: Add tests for get_func_[arg|ret|arg_cnt] helpers
Adding tests for get_func_[arg|ret|arg_cnt] helpers.
Using these helpers in fentry/fexit/fmod_ret programs.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20211208193245.172141-6-jolsa@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/get_func_args_test.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/get_func_args_test.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c b/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c new file mode 100644 index 000000000000..85c427119fe9 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/get_func_args_test.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include "get_func_args_test.skel.h" + +void test_get_func_args_test(void) +{ + struct get_func_args_test *skel = NULL; + __u32 duration = 0, retval; + int err, prog_fd; + + skel = get_func_args_test__open_and_load(); + if (!ASSERT_OK_PTR(skel, "get_func_args_test__open_and_load")) + return; + + err = get_func_args_test__attach(skel); + if (!ASSERT_OK(err, "get_func_args_test__attach")) + goto cleanup; + + /* This runs bpf_fentry_test* functions and triggers + * fentry/fexit programs. + */ + prog_fd = bpf_program__fd(skel->progs.test1); + err = bpf_prog_test_run(prog_fd, 1, NULL, 0, + NULL, NULL, &retval, &duration); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(retval, 0, "test_run"); + + /* This runs bpf_modify_return_test function and triggers + * fmod_ret_test and fexit_test programs. + */ + prog_fd = bpf_program__fd(skel->progs.fmod_ret_test); + err = bpf_prog_test_run(prog_fd, 1, NULL, 0, + NULL, NULL, &retval, &duration); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(retval, 1234, "test_run"); + + ASSERT_EQ(skel->bss->test1_result, 1, "test1_result"); + ASSERT_EQ(skel->bss->test2_result, 1, "test2_result"); + ASSERT_EQ(skel->bss->test3_result, 1, "test3_result"); + ASSERT_EQ(skel->bss->test4_result, 1, "test4_result"); + +cleanup: + get_func_args_test__destroy(skel); +} |