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
  16 int
  17 in_dso (void)
  18 {
  19   int result = 0;
  20 #ifdef USE_TLS
  21   int *ap, *bp, *cp;
  22
  23   /* Get variables using initial exec model.  */
  24   fputs ("get sum of foo and bar (IE)", stdout);
  25   ap = TLS_IE (foo);
  26   bp = TLS_IE (bar);
  27   printf (" = %d\n", *ap + *bp);
  28   result |= *ap + *bp != 3;
  29   if (*ap != 1)
  30     {
  31       printf ("foo = %d\n", *ap);
  32       result = 1;
  33     }
  34   if (*bp != 2)
  35     {
  36       printf ("bar = %d\n", *bp);
  37       result = 1;
  38     }
  39
  40
  41   /* Get variables using generic dynamic model.  */
  42   fputs ("get sum of foo and bar and baz (GD)", stdout);
  43   ap = TLS_GD (foo);
  44   bp = TLS_GD (bar);
  45   cp = TLS_GD (baz);
  46   printf (" = %d\n", *ap + *bp + *cp);
  47   result |= *ap + *bp + *cp != 6;
  48   if (*ap != 1)
  49     {
  50       printf ("foo = %d\n", *ap);
  51       result = 1;
  52     }
  53   if (*bp != 2)
  54     {
  55       printf ("bar = %d\n", *bp);
  56       result = 1;
  57     }
  58   if (*cp != 3)
  59     {
  60       printf ("baz = %d\n", *cp);
  61       result = 1;
  62     }
  63 #endif
  64
  65   return result;
  66 }