NetBSD/tests/lib/libc/sys/t_ucontext.c

142 lines
3.4 KiB
C

/* $NetBSD: t_ucontext.c,v 1.5 2018/02/27 12:20:35 kamil Exp $ */
/*
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__COPYRIGHT("@(#) Copyright (c) 2008\
The NetBSD Foundation, inc. All rights reserved.");
__RCSID("$NetBSD: t_ucontext.c,v 1.5 2018/02/27 12:20:35 kamil Exp $");
#include <atf-c.h>
#include <stdio.h>
#include <ucontext.h>
#include <inttypes.h>
ATF_TC(ucontext_basic);
ATF_TC_HEAD(ucontext_basic, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks {get,set}context(2)");
}
ATF_TC_BODY(ucontext_basic, tc)
{
ucontext_t u, v, w;
volatile int x, y;
x = 0;
y = 0;
printf("Start\n");
getcontext(&u);
y++;
printf("x == %d\n", x);
getcontext(&v);
if ( x < 20 ) {
x++;
getcontext(&w);
setcontext(&u);
}
printf("End, y = %d\n", y);
ATF_REQUIRE_EQ(y, 21);
}
ATF_TC(ucontext_sp);
ATF_TC_HEAD(ucontext_sp, tc)
{
atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_SP()");
}
ATF_TC_BODY(ucontext_sp, tc)
{
ucontext_t u;
getcontext(&u);
printf("_UC_MACHINE_SP(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_SP(&u));
}
ATF_TC(ucontext_fp);
ATF_TC_HEAD(ucontext_fp, tc)
{
atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_FP()");
}
ATF_TC_BODY(ucontext_fp, tc)
{
ucontext_t u;
getcontext(&u);
printf("_UC_MACHINE_FP(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_FP(&u));
}
ATF_TC(ucontext_pc);
ATF_TC_HEAD(ucontext_pc, tc)
{
atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_PC()");
}
ATF_TC_BODY(ucontext_pc, tc)
{
ucontext_t u;
getcontext(&u);
printf("_UC_MACHINE_PC(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_PC(&u));
}
ATF_TC(ucontext_intrv);
ATF_TC_HEAD(ucontext_intrv, tc)
{
atf_tc_set_md_var(tc, "descr", "Retrieve _UC_MACHINE_INTRV()");
}
ATF_TC_BODY(ucontext_intrv, tc)
{
ucontext_t u;
getcontext(&u);
printf("_UC_MACHINE_INTRV(u)=%" PRIxREGISTER "\n", (register_t)_UC_MACHINE_INTRV(&u));
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, ucontext_basic);
ATF_TP_ADD_TC(tp, ucontext_sp);
ATF_TP_ADD_TC(tp, ucontext_fp);
ATF_TP_ADD_TC(tp, ucontext_pc);
ATF_TP_ADD_TC(tp, ucontext_intrv);
return atf_no_error();
}