1// SPDX-License-Identifier: GPL-2.0-only 2/* Copyright (c) 2017 Facebook 3 */ 4#include <stddef.h> 5#include <linux/bpf.h> 6#include <bpf/bpf_helpers.h> 7#include "bpf_misc.h" 8 9struct { 10 __uint(type, BPF_MAP_TYPE_ARRAY); 11 __uint(max_entries, 1); 12 __type(key, __u32); 13 __type(value, __u64); 14} test_map_id SEC(".maps"); 15 16SEC("raw_tp/sys_enter") 17int test_obj_id(void *ctx) 18{ 19 __u32 key = 0; 20 __u64 *value; 21 22 value = bpf_map_lookup_elem(&test_map_id, &key); 23 __sink(value); 24 25 return 0; 26} 27