// SPDX-License-Identifier: GPL-2.0 #include <linux/bpf.h> #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> char _license[] SEC("license") = "GPL"; struct { __uint(type, BPF_MAP_TYPE_PROG_ARRAY); __uint(max_entries, 1); __uint(key_size, sizeof(__u32)); __uint(value_size, sizeof(__u32)); } jmp_table SEC(".maps"); SEC("?fentry/bpf_fentry_test1") int BPF_PROG(test, int a) { bpf_tail_call_static(ctx, &jmp_table, 0); return 0; } SEC("fentry/bpf_fentry_test1") int BPF_PROG(call1, int a) { return 0; } SEC("fentry/bpf_fentry_test1") int BPF_PROG(call2, int a) { return 0; }