| // SPDX-License-Identifier: GPL-2.0-only | |
| /* Copyright (c) 2017 Facebook | |
| */ | |
| #include <stddef.h> | |
| #include <linux/bpf.h> | |
| #include <bpf/bpf_helpers.h> | |
| struct { | |
| __uint(type, BPF_MAP_TYPE_ARRAY); | |
| __uint(max_entries, 1); | |
| __type(key, __u32); | |
| __type(value, __u64); | |
| } test_map_id SEC(".maps"); | |
| SEC("raw_tp/sys_enter") | |
| int test_obj_id(void *ctx) | |
| { | |
| __u32 key = 0; | |
| __u64 *value; | |
| value = bpf_map_lookup_elem(&test_map_id, &key); | |
| return 0; | |
| } |