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
10 int kprobe_res = 0;
11 int kretprobe_res = 0;
12 int uprobe_res = 0;
13 int uretprobe_res = 0;
14 int uprobe_byname_res = 0;
15 void *user_ptr = 0;
16
17 SEC("kprobe")
18 int handle_kprobe(struct pt_regs *ctx)
19 {
20 kprobe_res = 1;
21 return 0;
22 }
23
24 SEC("kretprobe")
25 int handle_kretprobe(struct pt_regs *ctx)
26 {
27 kretprobe_res = 2;
28 return 0;
29 }
30
31 SEC("uprobe")
32 int handle_uprobe(struct pt_regs *ctx)
33 {
34 uprobe_res = 3;
35 return 0;
36 }
37
38 SEC("uretprobe")
39 int handle_uretprobe(struct pt_regs *ctx)
40 {
41 uretprobe_res = 4;
42 return 0;
43 }
44
45 SEC("uprobe")
46 int handle_uprobe_byname(struct pt_regs *ctx)
47 {
48 uprobe_byname_res = 5;
49 return 0;
50 }
51
52
53 char _license[] SEC("license") = "GPL";
54
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.