[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/elf/tst-unique1.c b/ap/libc/glibc/glibc-2.23/elf/tst-unique1.c
new file mode 100644
index 0000000..17af6f1
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/elf/tst-unique1.c
@@ -0,0 +1,74 @@
+#include <config.h>
+#include <dlfcn.h>
+#include <stdio.h>
+#include <sys/mman.h>
+
+static int
+do_test (void)
+{
+  void *h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
+  if (h1 == NULL)
+    {
+      puts ("cannot load tst-unique1mod1");
+      return 1;
+    }
+  int *(*f1) (void) = dlsym (h1, "f");
+  if (f1 == NULL)
+    {
+      puts ("cannot locate f in tst-unique1mod1");
+      return 1;
+    }
+  void *h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
+  if (h2 == NULL)
+    {
+      puts ("cannot load tst-unique1mod2");
+      return 1;
+    }
+  int (*f2) (int *) = dlsym (h2, "f");
+  if (f2 == NULL)
+    {
+      puts ("cannot locate f in tst-unique1mod2");
+      return 1;
+    }
+  if (f2 (f1 ()))
+    {
+      puts ("f from tst-unique1mod2 failed");
+      return 1;
+    }
+  dlclose (h2);
+  dlclose (h1);
+  mmap (NULL, 1024 * 1024 * 16, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+  h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
+  if (h2 == NULL)
+    {
+      puts ("cannot load tst-unique1mod2");
+      return 1;
+    }
+  f2 = dlsym (h2, "f");
+  if (f2 == NULL)
+    {
+      puts ("cannot locate f in tst-unique1mod2");
+      return 1;
+    }
+  h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
+  if (h1 == NULL)
+    {
+      puts ("cannot load tst-unique1mod1");
+      return 1;
+    }
+  f1 = dlsym (h1, "f");
+  if (f1 == NULL)
+    {
+      puts ("cannot locate f in tst-unique1mod1");
+      return 1;
+    }
+  if (f2 (f1 ()))
+    {
+      puts ("f from tst-unique1mod2 failed");
+      return 1;
+    }
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"