usys.S

   1 #include "syscall.h"
   2 #include "traps.h"
   3
   4 #define SYSCALL(name) \
   5   .globl name; \
   6   name: \
   7     movl $SYS_ ## name, %eax; \
   8     int $T_SYSCALL; \
   9     ret
  10
  11 SYSCALL(fork)
  12 SYSCALL(exit)
  13 SYSCALL(wait)
  14 SYSCALL(pipe)
  15 SYSCALL(read)
  16 SYSCALL(write)
  17 SYSCALL(close)
  18 SYSCALL(kill)
  19 SYSCALL(exec)
  20 SYSCALL(open)
  21 SYSCALL(mknod)
  22 SYSCALL(unlink)
  23 SYSCALL(fstat)
  24 SYSCALL(link)
  25 SYSCALL(mkdir)
  26 SYSCALL(chdir)
  27 SYSCALL(dup)
  28 SYSCALL(getpid)
  29 SYSCALL(sbrk)
  30 SYSCALL(sleep)
  31 SYSCALL(uptime)