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