sim/testsuite/cris/c/settls1.c

   1 /* Check that the syscall set_thread_area is supported and does the right thing.
   2 #progos: linux
   3 */
   4
   5 #include <unistd.h>
   6 #include <sys/syscall.h>
   7 #include <stdio.h>
   8 #include <errno.h>
   9 #include <stdlib.h>
  10
  11 #ifndef SYS_set_thread_area
  12 #define SYS_set_thread_area 243
  13 #endif
  14
  15 int main (void)
  16 {
  17   int ret;
  18
  19   /* Check the error check that the low 8 bits must be 0.  */
  20   ret = syscall (SYS_set_thread_area, 0xfeeb1ff0);
  21   if (ret != -1 || errno != EINVAL)
  22     {
  23       perror ("tls1");
  24       abort ();
  25     }
  26
  27   ret = syscall (SYS_set_thread_area, 0xcafebe00);
  28   if (ret != 0)
  29     {
  30       perror ("tls2");
  31       abort ();
  32     }
  33
  34   /* Check that we got the right result.  */
  35 #ifdef __arch_v32
  36   asm ("move $pid,%0\n\tclear.b %0" : "=rm" (ret));
  37 #else
  38   asm ("move $brp,%0" : "=rm" (ret));
  39 #endif
  40
  41   if (ret != 0xcafebe00)
  42     {
  43       perror ("tls2");
  44       abort ();
  45     }
  46
  47   printf ("pass\n");
  48   exit (0);
  49 }