1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Hengqi Chen */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
pid_t my_pid = 0;
int test1_result = 0;
int test2_result = 0;
int test3_result = 0;
int test4_result = 0;
SEC("uprobe/./liburandom_read.so:urandlib_api_sameoffset")
int BPF_UPROBE(test1)
{
pid_t pid = bpf_get_current_pid_tgid() >> 32;
if (pid != my_pid)
return 0;
test1_result = 1;
return 0;
}
SEC("uprobe/./liburandom_read.so:urandlib_api_sameoffset@LIBURANDOM_READ_1.0.0")
int BPF_UPROBE(test2)
{
pid_t pid = bpf_get_current_pid_tgid() >> 32;
if (pid != my_pid)
return 0;
test2_result = 1;
return 0;
}
SEC("uretprobe/./liburandom_read.so:urandlib_api_sameoffset@@LIBURANDOM_READ_2.0.0")
int BPF_URETPROBE(test3, int ret)
{
pid_t pid = bpf_get_current_pid_tgid() >> 32;
if (pid != my_pid)
return 0;
test3_result = ret;
return 0;
}
SEC("uprobe")
int BPF_UPROBE(test4)
{
pid_t pid = bpf_get_current_pid_tgid() >> 32;
if (pid != my_pid)
return 0;
test4_result = 1;
return 0;
}
|
