| // SPDX-License-Identifier: GPL-2.0 |
| // Copyright (c) 2020 Facebook |
| |
| #include "vmlinux.h" |
| #include <bpf/bpf_helpers.h> |
| #include <bpf/bpf_tracing.h> |
| |
| SEC("freplace/btf_unreliable_kprobe") |
| /* context type is what BPF verifier expects for kprobe context, but target |
| * program has `stuct whatever *ctx` argument, so freplace operation will be |
| * rejected with the following message: |
| * |
| * arg0 replace_btf_unreliable_kprobe(struct pt_regs *) doesn't match btf_unreliable_kprobe(struct whatever *) |
| */ |
| int replace_btf_unreliable_kprobe(bpf_user_pt_regs_t *ctx) |
| { |
| return 0; |
| } |
| |
| char _license[] SEC("license") = "GPL"; |
