elf/tst-tlsmod3.c

   1 #include <stdio.h>
   2
   3 #include <tls.h>
   4
   5 #ifdef USE_TLS
   6 # include "tls-macros.h"
   7
   8 extern int in_dso (int n, int *caller_foop);
   9
  10 COMMON_INT_DEF(comm_n);
  11
  12
  13
  14
  15 int
  16 in_dso2 (void)
  17 {
  18   int *foop;
  19   int result = 0;
  20   static int n;
  21   int *np;
  22
  23   puts ("foo");                 /* Make sure PLT is used before macros.  */
  24   asm ("" ::: "memory");
  25
  26   foop = TLS_GD (foo);
  27   np = TLS_GD (comm_n);
  28
  29   if (n != *np)
  30     {
  31       printf ("n = %d != comm_n = %d\n", n, *np);
  32       result = 1;
  33     }
  34
  35   result |= in_dso (*foop = 42 + n++, foop);
  36
  37   *foop = 16;
  38
  39   return result;
  40 }
  41 #endif