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 */
8static 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
16void 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);
72cleanup:
73	test_uprobe_autoattach__destroy(skel);
74}
75