42 lines
607 B
C
42 lines
607 B
C
// SPDX-License-Identifier: GPL-2.0
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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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char _license[] SEC("license") = "GPL";
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#if defined(__TARGET_ARCH_x86)
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SEC("kprobe")
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int kprobe_write_ctx(struct pt_regs *ctx)
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{
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ctx->ax = 0;
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return 0;
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}
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SEC("kprobe.multi")
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int kprobe_multi_write_ctx(struct pt_regs *ctx)
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{
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ctx->ax = 0;
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return 0;
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}
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SEC("?kprobe")
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int kprobe_dummy(struct pt_regs *regs)
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{
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return 0;
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}
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SEC("?freplace")
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int freplace_kprobe(struct pt_regs *regs)
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{
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regs->di = 0;
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return 0;
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}
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SEC("?fentry/bpf_fentry_test1")
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int BPF_PROG(fentry)
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{
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return 0;
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}
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#endif
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