1  /* glibc test for TLS in ld.so.  */
       2  #include <stdio.h>
       3  
       4  
       5  __thread int foo, bar __attribute__ ((tls_model("local-exec")));
       6  extern __thread int foo_gd asm ("foo") __attribute__ ((tls_model("global-dynamic")));
       7  extern __thread int foo_ld asm ("foo") __attribute__ ((tls_model("local-dynamic")));
       8  extern __thread int foo_ie asm ("foo") __attribute__ ((tls_model("initial-exec")));
       9  extern __thread int bar_gd asm ("bar") __attribute__ ((tls_model("global-dynamic")));
      10  extern __thread int bar_ld asm ("bar") __attribute__ ((tls_model("local-dynamic")));
      11  extern __thread int bar_ie asm ("bar") __attribute__ ((tls_model("initial-exec")));
      12  
      13  static int
      14  do_test (void)
      15  {
      16    int result = 0;
      17    int *ap, *bp;
      18  
      19  
      20    /* Set the variable using the local exec model.  */
      21    puts ("set bar to 1 (LE)");
      22    bar = 1;
      23  
      24  
      25    /* Get variables using initial exec model.  */
      26    fputs ("get sum of foo and bar (IE)", stdout);
      27    ap = &foo_ie;
      28    bp = &bar_ie;
      29    printf (" = %d\n", *ap + *bp);
      30    result |= *ap + *bp != 1;
      31    if (*ap != 0 || *bp != 1)
      32      {
      33        printf ("foo = %d\nbar = %d\n", *ap, *bp);
      34        result = 1;
      35      }
      36  
      37  
      38    /* Get variables using local dynamic model or TLSDESC.  */
      39    fputs ("get sum of foo and bar (LD or TLSDESC)", stdout);
      40    ap = &foo_ld;
      41    bp = &bar_ld;
      42    printf (" = %d\n", *ap + *bp);
      43    result |= *ap + *bp != 1;
      44    if (*ap != 0 || *bp != 1)
      45      {
      46        printf ("foo = %d\nbar = %d\n", *ap, *bp);
      47        result = 1;
      48      }
      49  
      50  
      51    /* Get variables using general dynamic model or TLSDESC.  */
      52    fputs ("get sum of foo and bar (GD or TLSDESC)", stdout);
      53    ap = &foo_gd;
      54    bp = &bar_gd;
      55    printf (" = %d\n", *ap + *bp);
      56    result |= *ap + *bp != 1;
      57    if (*ap != 0 || *bp != 1)
      58      {
      59        printf ("foo = %d\nbar = %d\n", *ap, *bp);
      60        result = 1;
      61      }
      62  
      63  
      64    return result;
      65  }
      66  
      67  
      68  #include <support/test-driver.c>