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 arg)
 9{
10	asm volatile ("");
11	return arg + 1;
12}
13
14void test_uprobe_autoattach(void)
15{
16	struct test_uprobe_autoattach *skel;
17	int trigger_val = 100, trigger_ret;
18	size_t malloc_sz = 1;
19	char *mem;
20
21	skel = test_uprobe_autoattach__open_and_load();
22	if (!ASSERT_OK_PTR(skel, "skel_open"))
23		return;
24
25	if (!ASSERT_OK(test_uprobe_autoattach__attach(skel), "skel_attach"))
26		goto cleanup;
27
28	skel->bss->test_pid = getpid();
29
30	/* trigger & validate uprobe & uretprobe */
31	trigger_ret = autoattach_trigger_func(trigger_val);
32
33	skel->bss->test_pid = getpid();
34
35	/* trigger & validate shared library u[ret]probes attached by name */
36	mem = malloc(malloc_sz);
37
38	ASSERT_EQ(skel->bss->uprobe_byname_parm1, trigger_val, "check_uprobe_byname_parm1");
39	ASSERT_EQ(skel->bss->uprobe_byname_ran, 1, "check_uprobe_byname_ran");
40	ASSERT_EQ(skel->bss->uretprobe_byname_rc, trigger_ret, "check_uretprobe_byname_rc");
41	ASSERT_EQ(skel->bss->uretprobe_byname_ran, 2, "check_uretprobe_byname_ran");
42	ASSERT_EQ(skel->bss->uprobe_byname2_parm1, malloc_sz, "check_uprobe_byname2_parm1");
43	ASSERT_EQ(skel->bss->uprobe_byname2_ran, 3, "check_uprobe_byname2_ran");
44	ASSERT_EQ(skel->bss->uretprobe_byname2_rc, mem, "check_uretprobe_byname2_rc");
45	ASSERT_EQ(skel->bss->uretprobe_byname2_ran, 4, "check_uretprobe_byname2_ran");
46
47	free(mem);
48cleanup:
49	test_uprobe_autoattach__destroy(skel);
50}