1 /* $NetBSD: t_ifunc.c,v 1.2 2017/01/13 21:30:42 christos Exp $ */
2
3 /*
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include <sys/types.h>
31
32 #include <atf-c.h>
33 #include <dlfcn.h>
34 #include <util.h>
35
36 #include "h_macros.h"
37
38 ATF_TC(rtld_ifunc);
39
ATF_TC_HEAD(rtld_ifunc,tc)40 ATF_TC_HEAD(rtld_ifunc, tc)
41 {
42 atf_tc_set_md_var(tc, "descr", "ifunc functions are resolved");
43 }
44
ATF_TC_BODY(rtld_ifunc,tc)45 ATF_TC_BODY(rtld_ifunc, tc)
46 {
47 const char *envstr[] = {
48 "0", "1"
49 };
50 int expected_result[] = {
51 0xdeadbeef, 0xbeefdead
52 };
53 void *handle;
54 int (*sym)(void);
55 int result;
56 const char *error;
57 size_t i;
58
59 for (i = 0; i < __arraycount(envstr); ++i) {
60 setenv("USE_IFUNC2", envstr[i], 1);
61
62 handle = dlopen("libh_helper_ifunc_dso.so", RTLD_LAZY);
63 error = dlerror();
64 ATF_CHECK(error == NULL);
65 ATF_CHECK(handle != NULL);
66
67 sym = dlsym(handle, "ifunc");
68 error = dlerror();
69 ATF_CHECK(error == NULL);
70 ATF_CHECK(sym != NULL);
71
72 result = (*sym)();
73 ATF_CHECK(result == expected_result[i]);
74
75 dlclose(handle);
76 error = dlerror();
77 ATF_CHECK(error == NULL);
78
79 char *command;
80 easprintf(&command, "%s/h_ifunc %d",
81 atf_tc_get_config_var(tc, "srcdir"), expected_result[i]);
82 if (system(command) != EXIT_SUCCESS)
83 atf_tc_fail("Test failed; see output for details");
84 free(command);
85 }
86 }
87
ATF_TP_ADD_TCS(tp)88 ATF_TP_ADD_TCS(tp)
89 {
90 ATF_TP_ADD_TC(tp, rtld_ifunc);
91 return 0;
92 }
93