elf/tst-tlsmod1.c

   1 #include <stdio.h>
   2
   3 #include <tls.h>
   4
   5 #ifdef USE_TLS
   6 #include "tls-macros.h"
   7
   8
   9 /* One define int variable, two externs.  */
  10 COMMON_INT_DEF(foo);
  11 VAR_INT_DEF(bar);
  12 VAR_INT_DECL(baz);
  13 #endif
  14
  15 extern int in_dso (void);
  16
  17 int
  18 in_dso (void)
  19 {
  20   int result = 0;
  21 #ifdef USE_TLS
  22   int *ap, *bp, *cp;
  23
  24   /* Get variables using initial exec model.  */
  25   fputs ("get sum of foo and bar (IE)", stdout);
  26   ap = TLS_IE (foo);
  27   bp = TLS_IE (bar);
  28   printf (" = %d\n", *ap + *bp);
  29   result |= *ap + *bp != 3;
  30   if (*ap != 1)
  31     {
  32       printf ("foo = %d\n", *ap);
  33       result = 1;
  34     }
  35   if (*bp != 2)
  36     {
  37       printf ("bar = %d\n", *bp);
  38       result = 1;
  39     }
  40
  41
  42   /* Get variables using generic dynamic model.  */
  43   fputs ("get sum of foo and bar and baz (GD)", stdout);
  44   ap = TLS_GD (foo);
  45   bp = TLS_GD (bar);
  46   cp = TLS_GD (baz);
  47   printf (" = %d\n", *ap + *bp + *cp);
  48   result |= *ap + *bp + *cp != 6;
  49   if (*ap != 1)
  50     {
  51       printf ("foo = %d\n", *ap);
  52       result = 1;
  53     }
  54   if (*bp != 2)
  55     {
  56       printf ("bar = %d\n", *bp);
  57       result = 1;
  58     }
  59   if (*cp != 3)
  60     {
  61       printf ("baz = %d\n", *cp);
  62       result = 1;
  63     }
  64 #endif
  65
  66   return result;
  67 }