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