elf/tst-tls3.c

   1 /* glibc test for TLS in ld.so.  */
   2 #include <stdio.h>
   3
   4 #include <tls.h>
   5
   6 #ifdef USE_TLS
   7 # include "tls-macros.h"
   8
   9
  10 /* One define int variable, two externs.  */
  11 COMMON_INT_DECL(foo);
  12 VAR_INT_DECL(bar);
  13 VAR_INT_DEF(baz);
  14 #endif
  15
  16
  17 extern int in_dso (void);
  18
  19
  20 #define TEST_FUNCTION do_test ()
  21 static int
  22 do_test (void)
  23 {
  24 #ifdef USE_TLS
  25   int result = 0;
  26   int *ap, *bp, *cp;
  27
  28
  29   /* Set the variable using the local exec model.  */
  30   puts ("set baz to 3 (LE)");
  31   ap = TLS_LE (baz);
  32   *ap = 3;
  33
  34
  35   /* Get variables using initial exec model.  */
  36   puts ("set variables foo and bar (IE)");
  37   ap = TLS_IE (foo);
  38   *ap = 1;
  39   bp = TLS_IE (bar);
  40   *bp = 2;
  41
  42
  43   /* Get variables using local dynamic model.  */
  44   fputs ("get sum of foo, bar (GD) and baz (LD)", stdout);
  45   ap = TLS_GD (foo);
  46   bp = TLS_GD (bar);
  47   cp = TLS_LD (baz);
  48   printf (" = %d\n", *ap + *bp + *cp);
  49   result |= *ap + *bp + *cp != 6;
  50   if (*ap != 1)
  51     {
  52       printf ("foo = %d\n", *ap);
  53       result = 1;
  54     }
  55   if (*bp != 2)
  56     {
  57       printf ("bar = %d\n", *bp);
  58       result = 1;
  59     }
  60   if (*cp != 3)
  61     {
  62       printf ("baz = %d\n", *cp);
  63       result = 1;
  64     }
  65
  66
  67   result |= in_dso ();
  68
  69   return result;
  70 #else
  71   return 0;
  72 #endif
  73 }
  74
  75
  76 #include "../test-skeleton.c"