elf/tst-tlsmod2.c

   1 #include <stdio.h>
   2
   3 #include "tls-macros.h"
   4
   5
   6 COMMON_INT_DEF(foo);
   7
   8
   9 int
  10 in_dso (int n, int *caller_foop)
  11 {
  12   int *foop;
  13   int result = 0;
  14
  15   puts ("foo");                 /* Make sure PLT is used before macros.  */
  16   asm ("" ::: "memory");
  17
  18   foop = TLS_GD (foo);
  19
  20   if (caller_foop != NULL && foop != caller_foop)
  21     {
  22       printf ("callers address of foo differs: %p vs %p\n", caller_foop, foop);
  23       result = 1;
  24     }
  25   else if (*foop != n)
  26     {
  27       printf ("foo != %d\n", n);
  28       result = 1;
  29     }
  30
  31   *foop = 16;
  32
  33   return result;
  34 }