[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/dlfcn/glrefmain.c b/ap/libc/glibc/glibc-2.23/dlfcn/glrefmain.c
new file mode 100644
index 0000000..aa4503f
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/dlfcn/glrefmain.c
@@ -0,0 +1,80 @@
+/* Test for dependency tracking added by relocations.
+ Copyright (C) 2000-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <dlfcn.h>
+#include <error.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+static void *
+load (const char *name)
+{
+ void *d = dlopen (name, RTLD_LAZY | RTLD_GLOBAL);
+ if (d == NULL)
+ error (EXIT_FAILURE, errno, "cannot load `%s'", name);
+ return d;
+}
+
+
+#define TEST_FUNCTION do_test ()
+extern int do_test (void);
+
+int
+do_test (void)
+{
+ void *d1;
+ void *d2;
+ int (*f) (void);
+
+ d1 = load ("glreflib1.so");
+ d2 = load ("glreflib2.so");
+
+ f = dlsym (d2, "ref2");
+ if (f == NULL)
+ error (EXIT_FAILURE, errno, "cannot get pointer to `%s'", "ref2");
+
+ if (f () != 42)
+ error (EXIT_FAILURE, 0, "wrong result from `%s'", "ref2");
+
+ puts ("Correct result in first call");
+ fflush (stdout);
+
+ /* Now unload the first file. */
+ dlclose (d1);
+
+ puts ("About to call the second time");
+ fflush (stdout);
+
+ /* Try calling the function again. */
+ if (f () != 42)
+ error (EXIT_FAILURE, 0, "wrong result from `%s' (second call)", "ref2");
+
+ puts ("Second call succeeded!");
+ fflush (stdout);
+
+ dlclose (d2);
+
+ puts ("glreflib2 also closed");
+ fflush (stdout);
+
+ return 0;
+}
+
+#include "../test-skeleton.c"