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t_tls_extern.c revision 1.2 
      1 /*	$NetBSD: t_tls_extern.c,v 1.2 2023/05/31 00:46:11 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2023 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/types.h>
     30 
     31 #include <atf-c.h>
     32 #include <dlfcn.h>
     33 
     34 #define	ATF_REQUIRE_DL(x)	ATF_REQUIRE_MSG(x, "%s: %s", #x, dlerror())
     35 
     36 ATF_TC(tls_extern_static);
     37 ATF_TC_HEAD(tls_extern_static, tc)
     38 {
     39 	atf_tc_set_md_var(tc, "descr", "extern __thread for static TLS works");
     40 }
     41 ATF_TC_BODY(tls_extern_static, tc)
     42 {
     43 	void *def, *use;
     44 	int *(*fdef)(void), *(*fuse)(void);
     45 	int *pdef, *puse;
     46 
     47 	(void)dlerror();
     48 	ATF_REQUIRE_DL(use = dlopen("libh_use_static.so", 0));
     49 	ATF_REQUIRE_DL(def = dlopen("libh_def_static.so", RTLD_NOLOAD));
     50 	ATF_REQUIRE_DL(fdef = dlsym(def, "fdef"));
     51 	ATF_REQUIRE_DL(fuse = dlsym(use, "fuse"));
     52 
     53 	pdef = (*fdef)();
     54 	puse = (*fuse)();
     55 	atf_tc_expect_fail("PR toolchain/50277:"
     56 	    " rtld relocation bug with thread local storage");
     57 	ATF_CHECK_EQ_MSG(pdef, puse,
     58 	    "%p in defining library != %p in using library",
     59 	    pdef, puse);
     60 }
     61 
     62 ATF_TP_ADD_TCS(tp)
     63 {
     64 	ATF_TP_ADD_TC(tp, tls_extern_static);
     65 	return atf_no_error();
     66 }
     67