elf/tst-tlsmod4.c

   1 #include <stdio.h>
   2
   3 #include <tls.h>
   4
   5 #include "tls-macros.h"
   6
   7
   8 COMMON_INT_DEF(baz);
   9
  10
  11 int
  12 in_dso (int n, int *caller_bazp)
  13 {
  14   int *bazp;
  15   int result = 0;
  16
  17   puts ("foo");                 /* Make sure PLT is used before macros.  */
  18   asm ("" ::: "memory");
  19
  20   bazp = TLS_GD (baz);
  21
  22   if (caller_bazp != NULL && bazp != caller_bazp)
  23     {
  24       printf ("callers address of baz differs: %p vs %p\n", caller_bazp, bazp);
  25       result = 1;
  26     }
  27   else if (*bazp != n)
  28     {
  29       printf ("baz != %d\n", n);
  30       result = 1;
  31     }
  32
  33   *bazp = 16;
  34
  35   return result;
  36 }