1  /* glibc test for TLS in ld.so.  */
       2  #include <stdio.h>
       3  
       4  
       5  __thread int foo, bar __attribute__ ((tls_model("initial-exec")));
       6  __thread int baz __attribute__ ((tls_model("local-exec")));
       7  extern __thread int foo_gd __attribute__ ((alias("foo"), tls_model("global-dynamic")));
       8  extern __thread int bar_gd __attribute__ ((alias("bar"), tls_model("global-dynamic")));
       9  extern __thread int baz_ld __attribute__ ((alias("baz"), tls_model("local-dynamic")));
      10  
      11  
      12  extern int in_dso (void);
      13  
      14  
      15  static int
      16  do_test (void)
      17  {
      18    int result = 0;
      19    int *ap, *bp, *cp;
      20  
      21  
      22    /* Set the variable using the local exec model.  */
      23    puts ("set baz to 3 (LE)");
      24    baz = 3;
      25  
      26  
      27    /* Get variables using initial exec model.  */
      28    puts ("set variables foo and bar (IE)");
      29    foo = 1;
      30    bar = 2;
      31  
      32  
      33    /* Get variables using local dynamic model.  */
      34    fputs ("get sum of foo, bar (GD) and baz (LD)", stdout);
      35    ap = &foo_gd;
      36    bp = &bar_gd;
      37    cp = &baz_ld;
      38    printf (" = %d\n", *ap + *bp + *cp);
      39    result |= *ap + *bp + *cp != 6;
      40    if (*ap != 1)
      41      {
      42        printf ("foo = %d\n", *ap);
      43        result = 1;
      44      }
      45    if (*bp != 2)
      46      {
      47        printf ("bar = %d\n", *bp);
      48        result = 1;
      49      }
      50    if (*cp != 3)
      51      {
      52        printf ("baz = %d\n", *cp);
      53        result = 1;
      54      }
      55  
      56  
      57    result |= in_dso ();
      58  
      59    return result;
      60  }
      61  
      62  
      63  #include <support/test-driver.c>