elf/tst-tlsmod1.c

   1 #include <stdio.h>
   2
   3 #include <tls.h>
   4
   5 #include "tls-macros.h"
   6
   7
   8 /* One define int variable, two externs.  */
   9 COMMON_INT_DEF(foo);
  10 VAR_INT_DEF(bar);
  11 VAR_INT_DECL(baz);
  12
  13 extern int in_dso (void);
  14
  15 int
  16 in_dso (void)
  17 {
  18   int result = 0;
  19   int *ap, *bp, *cp;
  20
  21   /* Get variables using initial exec model.  */
  22   fputs ("get sum of foo and bar (IE)", stdout);
  23   asm ("" ::: "memory");
  24   ap = TLS_IE (foo);
  25   bp = TLS_IE (bar);
  26   printf (" = %d\n", *ap + *bp);
  27   result |= *ap + *bp != 3;
  28   if (*ap != 1)
  29     {
  30       printf ("foo = %d\n", *ap);
  31       result = 1;
  32     }
  33   if (*bp != 2)
  34     {
  35       printf ("bar = %d\n", *bp);
  36       result = 1;
  37     }
  38
  39
  40   /* Get variables using generic dynamic model.  */
  41   fputs ("get sum of foo and bar and baz (GD)", stdout);
  42   ap = TLS_GD (foo);
  43   bp = TLS_GD (bar);
  44   cp = TLS_GD (baz);
  45   printf (" = %d\n", *ap + *bp + *cp);
  46   result |= *ap + *bp + *cp != 6;
  47   if (*ap != 1)
  48     {
  49       printf ("foo = %d\n", *ap);
  50       result = 1;
  51     }
  52   if (*bp != 2)
  53     {
  54       printf ("bar = %d\n", *bp);
  55       result = 1;
  56     }
  57   if (*cp != 3)
  58     {
  59       printf ("baz = %d\n", *cp);
  60       result = 1;
  61     }
  62
  63   return result;
  64 }