1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2022, Oracle and/or its affiliates. */
3
4 #include <test_progs.h>
5 #include "test_uprobe_autoattach.skel.h"
6
7 /* uprobe attach point */
8 static noinline int autoattach_trigger_func(int arg1, int arg2, int arg3,
9 int arg4, int arg5, int arg6,
10 int arg7, int arg8)
11 {
12 asm volatile ("");
13 return arg1 + arg2 + arg3 + arg4 + arg5 + arg6 + arg7 + arg8 + 1;
14 }
15
16 void test_uprobe_autoattach(void)
17 {
18 const char *devnull_str = "/dev/null";
19 struct test_uprobe_autoattach *skel;
20 int trigger_ret;
21 FILE *devnull;
22
23 skel = test_uprobe_autoattach__open_and_load();
24 if (!ASSERT_OK_PTR(skel, "skel_open"))
25 return;
26
27 if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
28 goto cleanup;
29
30 skel->bss->test_pid = getpid();
31
32 /* trigger & validate uprobe & uretprobe */
33 trigger_ret = autoattach_trigger_func(1, 2, 3, 4, 5, 6, 7, 8);
34
35 skel->bss->test_pid = getpid();
36
37 /* trigger & validate shared library u[ret]probes attached by name */
38 devnull = fopen(devnull_str, "r");
39
40 ASSERT_EQ(skel->bss->uprobe_byname_parm1, 1, "check_uprobe_byname_parm1");
41 ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");
42 ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");
43 ASSERT_EQ(skel->bss->uretprobe_byname_ret, trigger_ret, "check_uretprobe_byname_ret");
44 ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");
45 ASSERT_EQ(skel->bss->uprobe_byname2_parm1, (__u64)(long)devnull_str,
46 "check_uprobe_byname2_parm1");
47 ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");
48 ASSERT_EQ(skel->bss->uretprobe_byname2_rc, (__u64)(long)devnull,
49 "check_uretprobe_byname2_rc");
50 ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");
51
52 ASSERT_EQ(skel->bss->a[0], 1, "arg1");
53 ASSERT_EQ(skel->bss->a[1], 2, "arg2");
54 ASSERT_EQ(skel->bss->a[2], 3, "arg3");
55 #if FUNC_REG_ARG_CNT > 3
56 ASSERT_EQ(skel->bss->a[3], 4, "arg4");
57 #endif
58 #if FUNC_REG_ARG_CNT > 4
59 ASSERT_EQ(skel->bss->a[4], 5, "arg5");
60 #endif
61 #if FUNC_REG_ARG_CNT > 5
62 ASSERT_EQ(skel->bss->a[5], 6, "arg6");
63 #endif
64 #if FUNC_REG_ARG_CNT > 6
65 ASSERT_EQ(skel->bss->a[6], 7, "arg7");
66 #endif
67 #if FUNC_REG_ARG_CNT > 7
68 ASSERT_EQ(skel->bss->a[7], 8, "arg8");
69 #endif
70
71 fclose(devnull);
72 cleanup:
73 test_uprobe_autoattach__destroy(skel);
74 }
75
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