[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/elf/multiload.c b/ap/libc/glibc/glibc-2.22/elf/multiload.c
new file mode 100644
index 0000000..e85cc96
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/elf/multiload.c
@@ -0,0 +1,105 @@
+#include <dlfcn.h>
+#include <errno.h>
+#include <mcheck.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int
+main (void)
+{
+ void *a;
+ void *b;
+ void *c;
+ void *d;
+ char *wd;
+ char *base;
+ char *buf;
+
+ mtrace ();
+
+ /* Change to the binary directory. */
+ if (chdir (OBJDIR) != 0)
+ {
+ printf ("cannot change to `%s': %m", OBJDIR);
+ exit (EXIT_FAILURE);
+ }
+
+ wd = getcwd (NULL, 0);
+ base = basename (wd);
+ buf = alloca (strlen (wd) + strlen (base) + 5 + sizeof "testobj1.so");
+
+ printf ("loading `%s'\n", "./testobj1.so");
+ a = dlopen ("./testobj1.so", RTLD_NOW);
+ if (a == NULL)
+ {
+ printf ("cannot load `./testobj1.so': %s\n", dlerror ());
+ exit (EXIT_FAILURE);
+ }
+
+ stpcpy (stpcpy (stpcpy (buf, "../"), base), "/testobj1.so");
+ printf ("loading `%s'\n", buf);
+ b = dlopen (buf, RTLD_NOW);
+ if (b == NULL)
+ {
+ printf ("cannot load `%s': %s\n", buf, dlerror ());
+ exit (EXIT_FAILURE);
+ }
+
+ stpcpy (stpcpy (buf, wd), "/testobj1.so");
+ printf ("loading `%s'\n", buf);
+ c = dlopen (buf, RTLD_NOW);
+ if (c == NULL)
+ {
+ printf ("cannot load `%s': %s\n", buf, dlerror ());
+ exit (EXIT_FAILURE);
+ }
+
+ stpcpy (stpcpy (stpcpy (stpcpy (buf, wd), "/../"), base), "/testobj1.so");
+ printf ("loading `%s'\n", buf);
+ d = dlopen (buf, RTLD_NOW);
+ if (d == NULL)
+ {
+ printf ("cannot load `%s': %s\n", buf, dlerror ());
+ exit (EXIT_FAILURE);
+ }
+
+ if (a != b || b != c || c != d)
+ {
+ puts ("shared object loaded more than once");
+ exit (EXIT_FAILURE);
+ }
+
+ if (dlclose (a) != 0)
+ {
+ puts ("closing `a' failed");
+ exit (EXIT_FAILURE);
+ }
+ if (dlclose (b) != 0)
+ {
+ puts ("closing `a' failed");
+ exit (EXIT_FAILURE);
+ }
+ if (dlclose (c) != 0)
+ {
+ puts ("closing `a' failed");
+ exit (EXIT_FAILURE);
+ }
+ if (dlclose (d) != 0)
+ {
+ puts ("closing `a' failed");
+ exit (EXIT_FAILURE);
+ }
+
+ free (wd);
+
+ return 0;
+}
+
+extern int foo (int a);
+int
+foo (int a)
+{
+ return a;
+}