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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022, Oracle and/or its affiliates. */
#include <test_progs.h>
#include "test_uprobe_autoattach.skel.h"
#include "progs/bpf_misc.h"
/* uprobe attach point */
static noinline int autoattach_trigger_func(int arg1, int arg2, int arg3,
int arg4, int arg5, int arg6,
int arg7, int arg8)
{
asm volatile ("");
return arg1 + arg2 + arg3 + arg4 + arg5 + arg6 + arg7 + arg8 + 1;
}
void test_uprobe_autoattach(void)
{
const char *devnull_str = "/dev/null";
struct test_uprobe_autoattach *skel;
int trigger_ret;
FILE *devnull;
skel = test_uprobe_autoattach__open_and_load();
if (!ASSERT_OK_PTR(skel, "skel_open"))
return;
if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
goto cleanup;
skel->bss->test_pid = getpid();
/* trigger & validate uprobe & uretprobe */
trigger_ret = autoattach_trigger_func(1, 2, 3, 4, 5, 6, 7, 8);
skel->bss->test_pid = getpid();
/* trigger & validate shared library u[ret]probes attached by name */
devnull = fopen(devnull_str, "r");
ASSERT_EQ(skel->bss->uprobe_byname_parm1, 1, "check_uprobe_byname_parm1");
ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");
ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");
ASSERT_EQ(skel->bss->uretprobe_byname_ret, trigger_ret, "check_uretprobe_byname_ret");
ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");
ASSERT_EQ(skel->bss->uprobe_byname2_parm1, (__u64)(long)devnull_str,
"check_uprobe_byname2_parm1");
ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");
ASSERT_EQ(skel->bss->uretprobe_byname2_rc, (__u64)(long)devnull,
"check_uretprobe_byname2_rc");
ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");
ASSERT_EQ(skel->bss->a[0], 1, "arg1");
ASSERT_EQ(skel->bss->a[1], 2, "arg2");
ASSERT_EQ(skel->bss->a[2], 3, "arg3");
#if FUNC_REG_ARG_CNT > 3
ASSERT_EQ(skel->bss->a[3], 4, "arg4");
#endif
#if FUNC_REG_ARG_CNT > 4
ASSERT_EQ(skel->bss->a[4], 5, "arg5");
#endif
#if FUNC_REG_ARG_CNT > 5
ASSERT_EQ(skel->bss->a[5], 6, "arg6");
#endif
#if FUNC_REG_ARG_CNT > 6
ASSERT_EQ(skel->bss->a[6], 7, "arg7");
#endif
#if FUNC_REG_ARG_CNT > 7
ASSERT_EQ(skel->bss->a[7], 8, "arg8");
#endif
fclose(devnull);
cleanup:
test_uprobe_autoattach__destroy(skel);
}
|
