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lib/csu/tests/init_test.c
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/*- | |||||
* SPDX-License-Identifier: BSD-2-Clause | |||||
* | |||||
* Copyright (c) 2018 Andrew Turner | |||||
* | |||||
* This software was developed by SRI International and the University of | |||||
* Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237 | |||||
* ("CTSRD"), as part of the DARPA CRASH research programme. | |||||
* | |||||
* 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 AUTHOR 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 AUTHOR 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> | |||||
__FBSDID("$FreeBSD$"); | |||||
#include <atf-c.h> | |||||
#include <crt.h> | |||||
typedef void (*func_ptr)(void); | |||||
static volatile int jcr_run; | |||||
static const func_ptr *jcr_ptr; | |||||
static volatile int ctors_run; | |||||
static volatile int preinit_array_run; | |||||
static volatile int preinit_array_state = -1; | |||||
static volatile int init_array_run; | |||||
static volatile int init_array_state = -1; | |||||
void _Jv_RegisterClasses(const func_ptr *); | |||||
__section(".jcr") __used static func_ptr jcr_func = (func_ptr)1; | |||||
void | |||||
_Jv_RegisterClasses(const func_ptr *jcr __unused) | |||||
{ | |||||
jcr_run = 1; | |||||
jcr_ptr = jcr; | |||||
} | |||||
ATF_TC_WITHOUT_HEAD(jcr_test); | |||||
ATF_TC_BODY(jcr_test, tc) | |||||
{ | |||||
ATF_REQUIRE_MSG(jcr_run == 1, ".jcr not run"); | |||||
ATF_REQUIRE_MSG(jcr_ptr == &jcr_func, | |||||
"Incorrect pointer passed to _Jv_RegisterClasses"); | |||||
} | |||||
static void | |||||
ctors_handler(void) | |||||
{ | |||||
ctors_run = 1; | |||||
} | |||||
__section(".ctors") __used static func_ptr ctors_func = | |||||
&ctors_handler; | |||||
ATF_TC_WITHOUT_HEAD(ctors_test); | |||||
ATF_TC_BODY(ctors_test, tc) | |||||
{ | |||||
#ifdef HAVE_CTORS | |||||
ATF_REQUIRE_MSG(ctors_run == 1, ".ctors not run"); | |||||
#else | |||||
ATF_REQUIRE_MSG(ctors_run == 0, ".ctors run"); | |||||
#endif | |||||
} | |||||
static void | |||||
preinit_array_handler(void) | |||||
{ | |||||
preinit_array_run = 1; | |||||
preinit_array_state = init_array_run; | |||||
} | |||||
__section(".preinit_array") __used static func_ptr preinit_array_func = | |||||
&preinit_array_handler; | |||||
ATF_TC_WITHOUT_HEAD(preinit_array_test); | |||||
ATF_TC_BODY(preinit_array_test, tc) | |||||
{ | |||||
ATF_REQUIRE_MSG(preinit_array_run == 1, ".preinit_array not run"); | |||||
ATF_REQUIRE_MSG(preinit_array_state == 0, | |||||
".preinit_array was not run before .init_array"); | |||||
} | |||||
static void | |||||
init_array_handler(void) | |||||
{ | |||||
init_array_run = 1; | |||||
init_array_state = preinit_array_run; | |||||
} | |||||
__section(".init_array") __used static func_ptr init_array_func = | |||||
&init_array_handler; | |||||
ATF_TC_WITHOUT_HEAD(init_array_test); | |||||
ATF_TC_BODY(init_array_test, tc) | |||||
{ | |||||
ATF_REQUIRE_MSG(init_array_run == 1, ".init_array not run"); | |||||
ATF_REQUIRE_MSG(init_array_state == 1, | |||||
".init_array was not run after .preinit_array"); | |||||
} | |||||
ATF_TP_ADD_TCS(tp) | |||||
{ | |||||
ATF_TP_ADD_TC(tp, jcr_test); | |||||
ATF_TP_ADD_TC(tp, ctors_test); | |||||
ATF_TP_ADD_TC(tp, preinit_array_test); | |||||
ATF_TP_ADD_TC(tp, init_array_test); | |||||
return (atf_no_error()); | |||||
} |