elf/tst-global1.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 int
   5 main (void)
   6 {
   7   void *h1 = dlopen ("$ORIGIN/testobj6.so", RTLD_GLOBAL|RTLD_LAZY);
   8   if (h1 == NULL)
   9     {
  10       puts ("cannot open testobj6");
  11       return 1;
  12     }
  13
  14   void *h2 = dlopen ("$ORIGIN/testobj2.so",
  15                      RTLD_GLOBAL|RTLD_DEEPBIND|RTLD_LAZY);
  16   if (h2 == NULL)
  17     {
  18       puts ("cannot open testobj2");
  19       return 1;
  20     }
  21
  22   dlclose (h1);
  23
  24   void (*f) (void) = dlsym (h2, "p");
  25   if (f == NULL)
  26     {
  27       puts ("cannot find p");
  28       return 1;
  29     }
  30
  31   f ();
  32
  33   dlclose (h2);
  34
  35   return 0;
  36 }