// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2021 Facebook */ #include <test_progs.h> #include "syscall.skel.h" struct args { __u64 log_buf; __u32 log_size; int max_entries; int map_fd; int prog_fd; int btf_fd; }; void test_syscall(void) { static char verifier_log[8192]; struct args ctx = { .max_entries = 1024, .log_buf = (uintptr_t) verifier_log, .log_size = sizeof(verifier_log), }; struct bpf_prog_test_run_attr tattr = { .ctx_in = &ctx, .ctx_size_in = sizeof(ctx), }; struct syscall *skel = NULL; __u64 key = 12, value = 0; int err; skel = syscall__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_load")) goto cleanup; tattr.prog_fd = bpf_program__fd(skel->progs.bpf_prog); err = bpf_prog_test_run_xattr(&tattr); ASSERT_EQ(err, 0, "err"); ASSERT_EQ(tattr.retval, 1, "retval"); ASSERT_GT(ctx.map_fd, 0, "ctx.map_fd"); ASSERT_GT(ctx.prog_fd, 0, "ctx.prog_fd"); ASSERT_OK(memcmp(verifier_log, "processed", sizeof("processed") - 1), "verifier_log"); err = bpf_map_lookup_elem(ctx.map_fd, &key, &value); ASSERT_EQ(err, 0, "map_lookup"); ASSERT_EQ(value, 34, "map lookup value"); cleanup: syscall__destroy(skel); if (ctx.prog_fd > 0) close(ctx.prog_fd); if (ctx.map_fd > 0) close(ctx.map_fd); if (ctx.btf_fd > 0) close(ctx.btf_fd); }