elf/origtest.c

   1 #include <dlfcn.h>
   2 #include <error.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 int
   7 main (void)
   8 {
   9   void *h;
  10   int (*fp) (int);
  11   int res;
  12
  13   h = dlopen ("${ORIGIN}/testobj1.so", RTLD_LAZY);
  14   if (h == NULL)
  15     error (EXIT_FAILURE, 0, "while loading `%s': %s", "testobj1.so",
  16            dlerror ());
  17
  18   fp = dlsym (h, "obj1func1");
  19   if (fp == NULL)
  20     error (EXIT_FAILURE, 0, "getting `obj1func1' in `%s': %s",
  21            "testobj1.so", dlerror ());
  22
  23   res = fp (10);
  24   printf ("fp(10) = %d\n", res);
  25
  26   if (dlclose (h) != 0)
  27     error (EXIT_FAILURE, 0, "while close `%s': %s",
  28            "testobj1.so", dlerror ());
  29
  30   return res != 42;
  31 }
  32
  33
  34 extern int foo (int a);
  35 int
  36 foo (int a)
  37 {
  38   return a + 10;
  39 }