elf/tst-tlsmod2.c

   1 #include <stdio.h>
   2
   3
   4 __thread int foo;
   5
   6
   7 int
   8 in_dso (int n, int *caller_foop)
   9 {
  10   int *foop;
  11   int result = 0;
  12
  13   puts ("foo");                 /* Make sure PLT is used before macros.  */
  14   asm ("" ::: "memory");
  15
  16   foop = &foo;
  17
  18   if (caller_foop != NULL && foop != caller_foop)
  19     {
  20       printf ("callers address of foo differs: %p vs %p\n", caller_foop, foop);
  21       result = 1;
  22     }
  23   else if (*foop != n)
  24     {
  25       printf ("foo != %d\n", n);
  26       result = 1;
  27     }
  28
  29   *foop = 16;
  30
  31   return result;
  32 }