43 lines
713 B
C
43 lines
713 B
C
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// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2017 Facebook
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#include <linux/ptrace.h>
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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int kprobe_res = 0;
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int kretprobe_res = 0;
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int uprobe_res = 0;
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int uretprobe_res = 0;
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SEC("kprobe/sys_nanosleep")
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int handle_kprobe(struct pt_regs *ctx)
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{
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kprobe_res = 1;
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return 0;
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}
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SEC("kretprobe/sys_nanosleep")
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int BPF_KRETPROBE(handle_kretprobe)
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{
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kretprobe_res = 2;
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return 0;
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}
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SEC("uprobe/trigger_func")
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int handle_uprobe(struct pt_regs *ctx)
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{
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uprobe_res = 3;
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return 0;
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}
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SEC("uretprobe/trigger_func")
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int handle_uretprobe(struct pt_regs *ctx)
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{
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uretprobe_res = 4;
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return 0;
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}
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char _license[] SEC("license") = "GPL";
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