tests/cris/check_settls1.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <errno.h>
   4 #include <unistd.h>
   5
   6 #include <sys/syscall.h>
   7
   8 #ifndef SYS_set_thread_area
   9 #define SYS_set_thread_area 243
  10 #endif
  11
  12 int main (void)
  13 {
  14     unsigned long tp, old_tp;
  15     int ret;
  16
  17     asm volatile ("move $pid,%0" : "=r" (old_tp));
  18     old_tp &= ~0xff;
  19
  20     ret = syscall (SYS_set_thread_area, 0xf0);
  21     if (ret != -1 || errno != EINVAL) {
  22         syscall (SYS_set_thread_area, old_tp);
  23         perror ("Invalid thread area accepted:");
  24         abort();
  25     }
  26
  27     ret = syscall (SYS_set_thread_area, 0xeddeed00);
  28     if (ret != 0) {
  29         perror ("Valid thread area not accepted: ");
  30         abort ();
  31     }
  32
  33     asm volatile ("move $pid,%0" : "=r" (tp));
  34     tp &= ~0xff;
  35     syscall (SYS_set_thread_area, old_tp);
  36
  37     if (tp != 0xeddeed00) {
  38         * (volatile int *) 0 = 0;
  39         perror ("tls2");
  40         abort ();
  41     }
  42
  43     printf ("pass\n");
  44     return EXIT_SUCCESS;
  45 }