diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c b/tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c new file mode 100644 index 000000000000..c40242dfa8fb --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include "get_func_ip_test.skel.h" +#include "get_func_ip_uprobe_test.skel.h" + +static noinline void uprobe_trigger(void) +{ +} + +static void test_function_entry(void) +{ + struct get_func_ip_test *skel = NULL; + int err, prog_fd; + LIBBPF_OPTS(bpf_test_run_opts, topts); + + skel = get_func_ip_test__open(); + if (!ASSERT_OK_PTR(skel, "get_func_ip_test__open")) + return; + + err = get_func_ip_test__load(skel); + if (!ASSERT_OK(err, "get_func_ip_test__load")) + goto cleanup; + + err = get_func_ip_test__attach(skel); + if (!ASSERT_OK(err, "get_func_ip_test__attach")) + goto cleanup; + + skel->bss->uprobe_trigger = (unsigned long) uprobe_trigger; + + prog_fd = bpf_program__fd(skel->progs.test1); + err = bpf_prog_test_run_opts(prog_fd, &topts); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(topts.retval, 0, "test_run"); + + prog_fd = bpf_program__fd(skel->progs.test5); + err = bpf_prog_test_run_opts(prog_fd, &topts); + + ASSERT_OK(err, "test_run"); + + uprobe_trigger(); + + 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"); + ASSERT_EQ(skel->bss->test5_result, 1, "test5_result"); + ASSERT_EQ(skel->bss->test7_result, 1, "test7_result"); + ASSERT_EQ(skel->bss->test8_result, 1, "test8_result"); + +cleanup: + get_func_ip_test__destroy(skel); +} + +#ifdef __x86_64__ +extern void uprobe_trigger_body(void); +asm( +".globl uprobe_trigger_body\n" +".type uprobe_trigger_body, @function\n" +"uprobe_trigger_body:\n" +" nop\n" +" ret\n" +); + +static void test_function_body_kprobe(void) +{ + struct get_func_ip_test *skel = NULL; + LIBBPF_OPTS(bpf_test_run_opts, topts); + LIBBPF_OPTS(bpf_kprobe_opts, kopts); + struct bpf_link *link6 = NULL; + int err, prog_fd; + + skel = get_func_ip_test__open(); + if (!ASSERT_OK_PTR(skel, "get_func_ip_test__open")) + return; + + /* test6 is x86_64 specific and is disabled by default, + * enable it for body test. + */ + bpf_program__set_autoload(skel->progs.test6, true); + + err = get_func_ip_test__load(skel); + if (!ASSERT_OK(err, "get_func_ip_test__load")) + goto cleanup; + + kopts.offset = skel->kconfig->CONFIG_X86_KERNEL_IBT ? 9 : 5; + + link6 = bpf_program__attach_kprobe_opts(skel->progs.test6, "bpf_fentry_test6", &kopts); + if (!ASSERT_OK_PTR(link6, "link6")) + goto cleanup; + + prog_fd = bpf_program__fd(skel->progs.test1); + err = bpf_prog_test_run_opts(prog_fd, &topts); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(topts.retval, 0, "test_run"); + + ASSERT_EQ(skel->bss->test6_result, 1, "test6_result"); + +cleanup: + bpf_link__destroy(link6); + get_func_ip_test__destroy(skel); +} + +static void test_function_body_uprobe(void) +{ + struct get_func_ip_uprobe_test *skel = NULL; + int err; + + skel = get_func_ip_uprobe_test__open_and_load(); + if (!ASSERT_OK_PTR(skel, "get_func_ip_uprobe_test__open_and_load")) + return; + + err = get_func_ip_uprobe_test__attach(skel); + if (!ASSERT_OK(err, "get_func_ip_test__attach")) + goto cleanup; + + skel->bss->uprobe_trigger_body = (unsigned long) uprobe_trigger_body; + + uprobe_trigger_body(); + + ASSERT_EQ(skel->bss->test1_result, 1, "test1_result"); + +cleanup: + get_func_ip_uprobe_test__destroy(skel); +} + +static void test_function_body(void) +{ + test_function_body_kprobe(); + test_function_body_uprobe(); +} +#else +#define test_function_body() +#endif + +void test_get_func_ip_test(void) +{ + test_function_entry(); + test_function_body(); +} |