elf/tst-unique1.c

   1 #include <config.h>
   2 #include <dlfcn.h>
   3 #include <stdio.h>
   4 #include <sys/mman.h>
   5
   6 static int
   7 do_test (void)
   8 {
   9 #ifdef HAVE_ASM_UNIQUE_OBJECT
  10   void *h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
  11   if (h1 == NULL)
  12     {
  13       puts ("cannot load tst-unique1mod1");
  14       return 1;
  15     }
  16   int *(*f1) (void) = dlsym (h1, "f");
  17   if (f1 == NULL)
  18     {
  19       puts ("cannot locate f in tst-unique1mod1");
  20       return 1;
  21     }
  22   void *h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
  23   if (h2 == NULL)
  24     {
  25       puts ("cannot load tst-unique1mod2");
  26       return 1;
  27     }
  28   int (*f2) (int *) = dlsym (h2, "f");
  29   if (f2 == NULL)
  30     {
  31       puts ("cannot locate f in tst-unique1mod2");
  32       return 1;
  33     }
  34   if (f2 (f1 ()))
  35     {
  36       puts ("f from tst-unique1mod2 failed");
  37       return 1;
  38     }
  39   dlclose (h2);
  40   dlclose (h1);
  41   mmap (NULL, 1024 * 1024 * 16, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
  42   h2 = dlopen ("tst-unique1mod2.so", RTLD_LAZY);
  43   if (h2 == NULL)
  44     {
  45       puts ("cannot load tst-unique1mod2");
  46       return 1;
  47     }
  48   f2 = dlsym (h2, "f");
  49   if (f2 == NULL)
  50     {
  51       puts ("cannot locate f in tst-unique1mod2");
  52       return 1;
  53     }
  54   h1 = dlopen ("tst-unique1mod1.so", RTLD_LAZY);
  55   if (h1 == NULL)
  56     {
  57       puts ("cannot load tst-unique1mod1");
  58       return 1;
  59     }
  60   f1 = dlsym (h1, "f");
  61   if (f1 == NULL)
  62     {
  63       puts ("cannot locate f in tst-unique1mod1");
  64       return 1;
  65     }
  66   if (f2 (f1 ()))
  67     {
  68       puts ("f from tst-unique1mod2 failed");
  69       return 1;
  70     }
  71 #endif
  72   return 0;
  73 }
  74
  75 #define TEST_FUNCTION do_test ()
  76 #include "../test-skeleton.c"