elf/initfirst.c

   1 #include <dlfcn.h>
   2 #include <stdio.h>
   3
   4 int
   5 main (void)
   6 {
   7   void *h = dlopen ("firstobj.so", RTLD_LAZY);
   8   void *f;
   9   if (! h)
  10     {
  11       printf ("cannot find firstobj.so: %s\n", dlerror ());
  12       return 1;
  13     }
  14   f = dlsym (h, "foo");
  15   if (! f)
  16     {
  17       printf ("cannot find symbol foo: %s\n", dlerror ());
  18       return 2;
  19     }
  20   ((void (*) (void)) f) ();
  21   return 0;
  22 }