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// 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; } |