toolchain/gcc/libgloss/i960/mon960.c

   1 #include <sys/types.h>
   2 #include <sys/stat.h>
   3
   4 static char *heap_end = 0;
   5
   6 int
   7 brk (void *ptr)
   8 {
   9   heap_end = ptr;
  10   return 0;
  11 }
  12
  13 caddr_t
  14 sbrk (int amt)
  15 {
  16   extern char end;
  17   char *prev_heap_end;
  18
  19   if (heap_end == 0)
  20     heap_end = &end;
  21   prev_heap_end = heap_end;
  22   heap_end += amt;
  23   return ((caddr_t) prev_heap_end);
  24 }
  25
  26 int
  27 isatty (int file)
  28 {
  29   return file<3;
  30 }
  31
  32 int
  33 fstat (int file, struct stat *st)
  34 {
  35   st->st_mode = S_IFCHR;
  36   return 0;
  37 }
  38
  39 int
  40 stat (const char *filename, struct stat *st)
  41 {
  42   st->st_mode = S_IFCHR;
  43   return 0;
  44 }
  45
  46 int
  47 lseek (int fd, off_t offset, int type)
  48 {
  49   return _sys_lseek (fd, offset, type);
  50 }
  51
  52 int
  53 open (char *file, int mode, int perms)
  54 {
  55   return _sys_open (file, mode, perms);
  56 }
  57
  58 int
  59 close (int fd)
  60 {
  61   return _sys_close (fd);
  62 }
  63
  64 int
  65 getpid ()
  66 {
  67   return -1;
  68 }
  69
  70 int
  71 kill (int pid, int signal)
  72 {
  73   exit (signal);
  74 }
  75
  76 #if 0
  77 /* This conflicts with the abort defined in newlib.  */
  78 void
  79 abort ()
  80 {
  81   exit (6);
  82 }
  83 #endif