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