diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/arena_atomics.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/arena_atomics.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/arena_atomics.c b/tools/testing/selftests/bpf/prog_tests/arena_atomics.c new file mode 100644 index 000000000000..0807a48a58ee --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/arena_atomics.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */ +#include <test_progs.h> +#include "arena_atomics.skel.h" + +static void test_add(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.add); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->add64_value, 3, "add64_value"); + ASSERT_EQ(skel->arena->add64_result, 1, "add64_result"); + + ASSERT_EQ(skel->arena->add32_value, 3, "add32_value"); + ASSERT_EQ(skel->arena->add32_result, 1, "add32_result"); + + ASSERT_EQ(skel->arena->add_stack_value_copy, 3, "add_stack_value"); + ASSERT_EQ(skel->arena->add_stack_result, 1, "add_stack_result"); + + ASSERT_EQ(skel->arena->add_noreturn_value, 3, "add_noreturn_value"); +} + +static void test_sub(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.sub); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->sub64_value, -1, "sub64_value"); + ASSERT_EQ(skel->arena->sub64_result, 1, "sub64_result"); + + ASSERT_EQ(skel->arena->sub32_value, -1, "sub32_value"); + ASSERT_EQ(skel->arena->sub32_result, 1, "sub32_result"); + + ASSERT_EQ(skel->arena->sub_stack_value_copy, -1, "sub_stack_value"); + ASSERT_EQ(skel->arena->sub_stack_result, 1, "sub_stack_result"); + + ASSERT_EQ(skel->arena->sub_noreturn_value, -1, "sub_noreturn_value"); +} + +static void test_and(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.and); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->and64_value, 0x010ull << 32, "and64_value"); + ASSERT_EQ(skel->arena->and32_value, 0x010, "and32_value"); +} + +static void test_or(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.or); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->or64_value, 0x111ull << 32, "or64_value"); + ASSERT_EQ(skel->arena->or32_value, 0x111, "or32_value"); +} + +static void test_xor(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.xor); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->xor64_value, 0x101ull << 32, "xor64_value"); + ASSERT_EQ(skel->arena->xor32_value, 0x101, "xor32_value"); +} + +static void test_cmpxchg(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.cmpxchg); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->cmpxchg64_value, 2, "cmpxchg64_value"); + ASSERT_EQ(skel->arena->cmpxchg64_result_fail, 1, "cmpxchg_result_fail"); + ASSERT_EQ(skel->arena->cmpxchg64_result_succeed, 1, "cmpxchg_result_succeed"); + + ASSERT_EQ(skel->arena->cmpxchg32_value, 2, "lcmpxchg32_value"); + ASSERT_EQ(skel->arena->cmpxchg32_result_fail, 1, "cmpxchg_result_fail"); + ASSERT_EQ(skel->arena->cmpxchg32_result_succeed, 1, "cmpxchg_result_succeed"); +} + +static void test_xchg(struct arena_atomics *skel) +{ + LIBBPF_OPTS(bpf_test_run_opts, topts); + int err, prog_fd; + + /* No need to attach it, just run it directly */ + prog_fd = bpf_program__fd(skel->progs.xchg); + err = bpf_prog_test_run_opts(prog_fd, &topts); + if (!ASSERT_OK(err, "test_run_opts err")) + return; + if (!ASSERT_OK(topts.retval, "test_run_opts retval")) + return; + + ASSERT_EQ(skel->arena->xchg64_value, 2, "xchg64_value"); + ASSERT_EQ(skel->arena->xchg64_result, 1, "xchg64_result"); + + ASSERT_EQ(skel->arena->xchg32_value, 2, "xchg32_value"); + ASSERT_EQ(skel->arena->xchg32_result, 1, "xchg32_result"); +} + +void test_arena_atomics(void) +{ + struct arena_atomics *skel; + int err; + + skel = arena_atomics__open(); + if (!ASSERT_OK_PTR(skel, "arena atomics skeleton open")) + return; + + if (skel->data->skip_tests) { + printf("%s:SKIP:no ENABLE_ATOMICS_TESTS or no addr_space_cast support in clang", + __func__); + test__skip(); + goto cleanup; + } + err = arena_atomics__load(skel); + if (!ASSERT_OK(err, "arena atomics skeleton load")) + return; + skel->bss->pid = getpid(); + + if (test__start_subtest("add")) + test_add(skel); + if (test__start_subtest("sub")) + test_sub(skel); + if (test__start_subtest("and")) + test_and(skel); + if (test__start_subtest("or")) + test_or(skel); + if (test__start_subtest("xor")) + test_xor(skel); + if (test__start_subtest("cmpxchg")) + test_cmpxchg(skel); + if (test__start_subtest("xchg")) + test_xchg(skel); + +cleanup: + arena_atomics__destroy(skel); +} |