newlib/libc/sys/h8300hms/misc.c

   1 /* Misc. operating system stubs.  */
   2
   3 #include <_ansi.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6
   7 /* _raise(), getpid(), and kill() are required by abort().
   8    getpid/kill are prefixed with '_' because of MISSING_SYSCALL_NAMES.  */
   9
  10 int _raise (int sig)
  11 {
  12   return 0;
  13 }
  14
  15 int _getpid (void)
  16 {
  17   return 0;
  18 }
  19
  20 int _kill (int pid,
  21            int sig)
  22 {
  23   if (pid == 0)
  24     {
  25       /* Narrow SIG down to a short, in case we're compiled with -mint32.  */
  26       short sig2 = sig;
  27       /* This causes the simulator to indicate abort() was called.
  28          The format of r0 is defined by devo/include/wait.h.  */
  29       asm ("mov.w %0,r0\n\tsleep" : : "r" (sig2) : "r0");
  30     }
  31   return 0;
  32 }