1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
| // 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;
| }
|
|
