elf/tst-tlsmod1.c

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