// 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";