1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */ 3 #include <vmlinux.h> 4 #include <bpf/bpf_helpers.h> 5 #include "../bpf_testmod/bpf_testmod.h" 6 7 char _license[] SEC("license") = "GPL"; 8 9 /* 10 * This subprogram validates that libbpf handles the situation in which BPF 11 * object has subprograms in .text section, but has no entry BPF programs. 12 * At some point that was causing issues due to legacy logic of treating such 13 * subprogram as entry program (with unknown program type, which would fail). 14 */ 15 int dangling_subprog(void) 16 { 17 /* do nothing, just be here */ 18 return 0; 19 } 20 21 SEC(".struct_ops.link") 22 struct bpf_testmod_ops testmod_do_detach; 23