vendor/NetBSD/tests/09.30.2014_20.45

1 files changed, 92 insertions, 0 deletions

diff --git a/libexec/ld.elf_so/t_ifunc.c b/libexec/ld.elf_so/t_ifunc.c
new file mode 100644
index 0000000000000..1c85672af5f79
--- /dev/null
+++ b/libexec/ld.elf_so/t_ifunc.c
@@ -0,0 +1,92 @@
+/*	$NetBSD: t_ifunc.c,v 1.1 2014/08/25 20:40:53 joerg Exp $	*/
+
+/*
+ * Copyright (c) 2014 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/types.h>
+
+#include <atf-c.h>
+#include <dlfcn.h>
+#include <util.h>
+
+#include "../../h_macros.h"
+
+ATF_TC(rtld_ifunc);
+
+ATF_TC_HEAD(rtld_ifunc, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "ifunc functions are resolved");
+}
+
+ATF_TC_BODY(rtld_ifunc, tc)
+{
+	const char *envstr[] = {
+	    "0", "1"
+	};
+	int expected_result[] = {
+	    0xdeadbeef, 0xbeefdead
+	};
+	void *handle;
+	int (*sym)(void);
+	int result;
+	const char *error;
+	size_t i;
+
+	for (i = 0; i < __arraycount(envstr); ++i) {
+		setenv("USE_IFUNC2", envstr[i], 1);
+
+		handle = dlopen("libh_helper_ifunc_dso.so", RTLD_LAZY);
+		error = dlerror();
+		ATF_CHECK(error == NULL);
+		ATF_CHECK(handle != NULL);
+
+		sym = dlsym(handle, "ifunc");
+		error = dlerror();
+		ATF_CHECK(error == NULL);
+		ATF_CHECK(sym != NULL);
+
+		result = (*sym)();
+		ATF_CHECK(result == expected_result[i]);
+
+		dlclose(handle);
+		error = dlerror();
+		ATF_CHECK(error == NULL);
+
+		char *command;
+		easprintf(&command, "%s/h_ifunc %d",
+		    atf_tc_get_config_var(tc, "srcdir"), expected_result[i]);
+		if (system(command) != EXIT_SUCCESS)
+			atf_tc_fail("Test failed; see output for details");
+		free(command);
+	}
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, rtld_ifunc);
+	return 0;
+}