[BACK]Return to t_dlvsym.c CVS log [TXT][DIR] Up to [cvs.NetBSD.org] / src / tests / libexec / ld.elf_so

File: [cvs.NetBSD.org] / src / tests / libexec / ld.elf_so / t_dlvsym.c (download)

Revision 1.1, Sat Jun 25 05:45:13 2011 UTC (9 years, 4 months ago) by nonaka
Branch: MAIN
CVS Tags: yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, localcount-20160914, is-mlppp-base, is-mlppp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver, HEAD

PR/45015: ld.elf_so: support ELF symbol versioning
Applied latest patch.

/*	$NetBSD: t_dlvsym.c,v 1.1 2011/06/25 05:45:13 nonaka Exp $	*/

/*-
 * Copyright (c) 2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by NONAKA Kimihiro.
 *
 * 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/types.h>

#include <atf-c.h>
#include <stdlib.h>
#include <dlfcn.h>

ATF_TC(rtld_dlvsym_v1);
ATF_TC_HEAD(rtld_dlvsym_v1, tc)
{
	atf_tc_set_md_var(tc, "descr", "Check dlvsym() function (V_1)");
}
ATF_TC_BODY(rtld_dlvsym_v1, tc)
{
	void *handle;
	char *error;
	int (*sym)(void);
	int result;

	/* Clear previous error */
	(void) dlerror();

	handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
	error = dlerror();
	ATF_CHECK(error == NULL);
	ATF_CHECK(handle != NULL);

	sym = dlvsym(handle, "testfunc", "V_1");
	error = dlerror();
	ATF_CHECK(error == NULL);

	result = (*sym)();
	ATF_CHECK(result == 1);

	dlclose(handle);
	error = dlerror();
	ATF_CHECK(error == NULL);
}

ATF_TC(rtld_dlvsym_v3);
ATF_TC_HEAD(rtld_dlvsym_v3, tc)
{
	atf_tc_set_md_var(tc, "descr", "Check dlvsym() function (V_3)");
}
ATF_TC_BODY(rtld_dlvsym_v3, tc)
{
	void *handle;
	char *error;
	int (*sym)(void);
	int result;

	/* Clear previous error */
	(void) dlerror();

	handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
	error = dlerror();
	ATF_CHECK(error == NULL);
	ATF_CHECK(handle != NULL);

	sym = dlvsym(handle, "testfunc", "V_3");
	error = dlerror();
	ATF_CHECK(error == NULL);

	result = (*sym)();
	ATF_CHECK(result == 3);

	dlclose(handle);
	error = dlerror();
	ATF_CHECK(error == NULL);
}

ATF_TC(rtld_dlvsym_symbol_nonexistent);
ATF_TC_HEAD(rtld_dlvsym_symbol_nonexistent, tc)
{
	atf_tc_set_md_var(tc, "descr",
	    "Check dlvsym() function (symbol is nonexistent)");
}
ATF_TC_BODY(rtld_dlvsym_symbol_nonexistent, tc)
{
	void *handle;
	char *error;
	int (*sym)(void);

	/* Clear previous error */
	(void) dlerror();

	handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
	error = dlerror();
	ATF_CHECK(error == NULL);
	ATF_CHECK(handle != NULL);

	sym = dlvsym(handle, "symbol_nonexistent", "V_3");
	error = dlerror();
	ATF_CHECK(sym == NULL);
	ATF_CHECK(error != NULL);

	dlclose(handle);
	error = dlerror();
	ATF_CHECK(error == NULL);
}

ATF_TC(rtld_dlvsym_version_nonexistent);
ATF_TC_HEAD(rtld_dlvsym_version_nonexistent, tc)
{
	atf_tc_set_md_var(tc, "descr",
	    "Check dlvsym() function (version is nonexistent)");
}
ATF_TC_BODY(rtld_dlvsym_version_nonexistent, tc)
{
	void *handle;
	char *error;
	int (*sym)(void);

	/* Clear previous error */
	(void) dlerror();

	handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
	error = dlerror();
	ATF_CHECK(error == NULL);
	ATF_CHECK(handle != NULL);

	sym = dlvsym(handle, "testfunc", "");
	error = dlerror();
	ATF_CHECK(sym == NULL);
	ATF_CHECK(error != NULL);

	dlclose(handle);
	error = dlerror();
	ATF_CHECK(error == NULL);
}

ATF_TC(rtld_dlvsym_version_null);
ATF_TC_HEAD(rtld_dlvsym_version_null, tc)
{
	atf_tc_set_md_var(tc, "descr",
	    "Check dlvsym() function (version is NULL)");
}
ATF_TC_BODY(rtld_dlvsym_version_null, tc)
{
	void *handle;
	char *error;
	int (*sym)(void);
	int result;

	/* Clear previous error */
	(void) dlerror();

	handle = dlopen("libh_helper_symver_dso.so", RTLD_LAZY);
	error = dlerror();
	ATF_CHECK(error == NULL);
	ATF_CHECK(handle != NULL);

	sym = dlvsym(handle, "testfunc", NULL);
	error = dlerror();
	ATF_CHECK(error == NULL);

	result = (*sym)();
	ATF_CHECK(result == 3);

	dlclose(handle);
	error = dlerror();
	ATF_CHECK(error == NULL);
}

ATF_TP_ADD_TCS(tp)
{
	ATF_TP_ADD_TC(tp, rtld_dlvsym_v1);
	ATF_TP_ADD_TC(tp, rtld_dlvsym_v3);
	ATF_TP_ADD_TC(tp, rtld_dlvsym_symbol_nonexistent);
	ATF_TP_ADD_TC(tp, rtld_dlvsym_version_nonexistent);
	ATF_TP_ADD_TC(tp, rtld_dlvsym_version_null);
	return atf_no_error();
}