1 /* $NetBSD: t_getcontext.c,v 1.3 2011/07/14 04:59:14 jruoho Exp $ */
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
29 #include <sys/cdefs.h>
30 __COPYRIGHT("@(#) Copyright (c) 2008\
31 The NetBSD Foundation, inc. All rights reserved.");
32 __RCSID("$NetBSD: t_getcontext.c,v 1.3 2011/07/14 04:59:14 jruoho Exp $");
40 #define STACKSZ (10*1024)
51 ATF_REQUIRE_EQ(n, DEPTH - calls - 1);
55 #if defined(__amd64__)
56 for (i = 0; i < 5; i++) {
57 #elif defined(__aarch64__)
58 for (i = 0; i < 7; i++) {
59 #elif defined(__mips__)
60 for (i = 0; i < 5; i++) {
62 for (i = 0; i < 9; i++) {
65 for (i = 0; i < 9; i++) {
68 ATF_REQUIRE_EQ(i, ia);
75 ATF_TC(getcontext_err);
76 ATF_TC_HEAD(getcontext_err, tc)
78 atf_tc_set_md_var(tc, "descr", "Test errors from getcontext(2)");
81 ATF_TC_BODY(getcontext_err, tc)
85 ATF_REQUIRE_ERRNO(EFAULT, getcontext((void *)-1) == -1);
88 ATF_TC(setcontext_err);
89 ATF_TC_HEAD(setcontext_err, tc)
91 atf_tc_set_md_var(tc, "descr", "Test errors from setcontext(2)");
94 ATF_TC_BODY(setcontext_err, tc)
98 ATF_REQUIRE_ERRNO(EFAULT, setcontext((void *)-1) == -1);
101 ATF_TC(setcontext_link);
102 ATF_TC_HEAD(setcontext_link, tc)
105 atf_tc_set_md_var(tc, "descr",
106 "Checks get/make/setcontext(), context linking via uc_link(), "
107 "and argument passing to the new context");
110 ATF_TC_BODY(setcontext_link, tc)
112 ucontext_t uc[DEPTH];
114 volatile int i = 0; /* avoid longjmp clobbering */
116 for (i = 0; i < DEPTH; ++i) {
117 ATF_REQUIRE_EQ(getcontext(&uc[i]), 0);
119 uc[i].uc_stack.ss_sp = malloc(STACKSZ);
120 uc[i].uc_stack.ss_size = STACKSZ;
121 uc[i].uc_link = (i > 0) ? &uc[i - 1] : &save;
124 #if defined(__amd64__)
125 /* FreeBSD/amd64 only permits up to 6 arguments. */
126 makecontext(&uc[i], (void *)run, 6, i,
128 #elif defined(__aarch64__)
129 /* FreeBSD/arm64 only permits up to 8 arguments. */
130 makecontext(&uc[i], (void *)run, 8, i,
131 0, 1, 2, 3, 4, 5, 6);
132 #elif defined(__mips__)
133 /* FreeBSD/mips only permits up to 6 arguments. */
134 makecontext(&uc[i], (void *)run, 6, i,
137 makecontext(&uc[i], (void *)run, 10, i,
138 0, 1, 2, 3, 4, 5, 6, 7, 8);
141 makecontext(&uc[i], (void *)run, 10, i,
142 0, 1, 2, 3, 4, 5, 6, 7, 8);
146 ATF_REQUIRE_EQ(getcontext(&save), 0);
149 ATF_REQUIRE_EQ(setcontext(&uc[DEPTH-1]), 0);
155 ATF_TP_ADD_TC(tp, getcontext_err);
156 ATF_TP_ADD_TC(tp, setcontext_err);
157 ATF_TP_ADD_TC(tp, setcontext_link);
159 return atf_no_error();