1// SPDX-License-Identifier: GPL-2.0 2// Copyright (c) 2017 Facebook 3 4#include "vmlinux.h" 5#include <bpf/bpf_helpers.h> 6#include <bpf/bpf_tracing.h> 7#include <bpf/bpf_core_read.h> 8#include "bpf_misc.h" 9 10int kprobe_res = 0; 11int kretprobe_res = 0; 12int uprobe_res = 0; 13int uretprobe_res = 0; 14int uprobe_byname_res = 0; 15void *user_ptr = 0; 16 17SEC("kprobe") 18int handle_kprobe(struct pt_regs *ctx) 19{ 20 kprobe_res = 1; 21 return 0; 22} 23 24SEC("kretprobe") 25int handle_kretprobe(struct pt_regs *ctx) 26{ 27 kretprobe_res = 2; 28 return 0; 29} 30 31SEC("uprobe") 32int handle_uprobe(struct pt_regs *ctx) 33{ 34 uprobe_res = 3; 35 return 0; 36} 37 38SEC("uretprobe") 39int handle_uretprobe(struct pt_regs *ctx) 40{ 41 uretprobe_res = 4; 42 return 0; 43} 44 45SEC("uprobe") 46int handle_uprobe_byname(struct pt_regs *ctx) 47{ 48 uprobe_byname_res = 5; 49 return 0; 50} 51 52 53char _license[] SEC("license") = "GPL"; 54