1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/bpf.h>
3 #include <bpf/bpf_helpers.h>
4 #include <bpf/bpf_tracing.h>
5
6 char _license[] SEC("license") = "GPL";
7
8 struct {
9 __uint(type, BPF_MAP_TYPE_PROG_ARRAY);
10 __uint(max_entries, 1);
11 __uint(key_size, sizeof(__u32));
12 __uint(value_size, sizeof(__u32));
13 } jmp_table SEC(".maps");
14
15 SEC("?fentry/bpf_fentry_test1")
16 int BPF_PROG(test, int a)
17 {
18 bpf_tail_call_static(ctx, &jmp_table, 0);
19 return 0;
20 }
21
22 SEC("fentry/bpf_fentry_test1")
23 int BPF_PROG(call1, int a)
24 {
25 return 0;
26 }
27
28 SEC("fentry/bpf_fentry_test1")
29 int BPF_PROG(call2, int a)
30 {
31 return 0;
32 }
33
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