1 /* $NetBSD: t_ucontext.c,v 1.5 2018/02/27 12:20:35 kamil Exp $ */
2
3 /*
4 * Copyright (c) 2008 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 CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __COPYRIGHT("@(#) Copyright (c) 2008\
31 The NetBSD Foundation, inc. All rights reserved.");
32 __RCSID("$NetBSD: t_ucontext.c,v 1.5 2018/02/27 12:20:35 kamil Exp $");
33
34 #include <atf-c.h>
35 #include <stdio.h>
36 #include <ucontext.h>
37 #include <inttypes.h>
38
39 ATF_TC(ucontext_basic);
ATF_TC_HEAD(ucontext_basic,tc)40 ATF_TC_HEAD(ucontext_basic, tc)
41 {
42 atf_tc_set_md_var(tc, "descr", "Checks {get,set}context(2)");
43 }
44
ATF_TC_BODY(ucontext_basic,tc)45 ATF_TC_BODY(ucontext_basic, tc)
46 {
47 ucontext_t u, v, w;
48 volatile int x, y;
49
50 x = 0;
51 y = 0;
52
53 printf("Start\n");
54
55 getcontext(&u);
56 y++;
57
58 printf("x == %d\n", x);
59
60 getcontext(&v);
61
62 if ( x < 20 ) {
63 x++;
64 getcontext(&w);
65 setcontext(&u);
66 }
67
68 printf("End, y = %d\n", y);
69 ATF_REQUIRE_EQ(y, 21);
70 }
71
72 ATF_TC(ucontext_sp);
ATF_TC_HEAD(ucontext_sp,tc)73 ATF_TC_HEAD(ucontext_sp, tc)
74 {
75 atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_SP()");
76 }
77
ATF_TC_BODY(ucontext_sp,tc)78 ATF_TC_BODY(ucontext_sp, tc)
79 {
80 ucontext_t u;
81
82 getcontext(&u);
83
84 printf("_UC_MACHINE_SP(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_SP(&u));
85 }
86
87 ATF_TC(ucontext_fp);
ATF_TC_HEAD(ucontext_fp,tc)88 ATF_TC_HEAD(ucontext_fp, tc)
89 {
90 atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_FP()");
91 }
92
ATF_TC_BODY(ucontext_fp,tc)93 ATF_TC_BODY(ucontext_fp, tc)
94 {
95 ucontext_t u;
96
97 getcontext(&u);
98
99 printf("_UC_MACHINE_FP(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_FP(&u));
100 }
101
102 ATF_TC(ucontext_pc);
ATF_TC_HEAD(ucontext_pc,tc)103 ATF_TC_HEAD(ucontext_pc, tc)
104 {
105 atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_PC()");
106 }
107
ATF_TC_BODY(ucontext_pc,tc)108 ATF_TC_BODY(ucontext_pc, tc)
109 {
110 ucontext_t u;
111
112 getcontext(&u);
113
114 printf("_UC_MACHINE_PC(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_PC(&u));
115 }
116
117 ATF_TC(ucontext_intrv);
ATF_TC_HEAD(ucontext_intrv,tc)118 ATF_TC_HEAD(ucontext_intrv, tc)
119 {
120 atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_INTRV()");
121 }
122
ATF_TC_BODY(ucontext_intrv,tc)123 ATF_TC_BODY(ucontext_intrv, tc)
124 {
125 ucontext_t u;
126
127 getcontext(&u);
128
129 printf("_UC_MACHINE_INTRV(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_INTRV(&u));
130 }
131
ATF_TP_ADD_TCS(tp)132 ATF_TP_ADD_TCS(tp)
133 {
134 ATF_TP_ADD_TC(tp, ucontext_basic);
135 ATF_TP_ADD_TC(tp, ucontext_sp);
136 ATF_TP_ADD_TC(tp, ucontext_fp);
137 ATF_TP_ADD_TC(tp, ucontext_pc);
138 ATF_TP_ADD_TC(tp, ucontext_intrv);
139
140 return atf_no_error();
141 }
142