syscall.s 116 B

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  1. #include "syscall.h"
  2. DEFINE(_syscall)
  3. movl 4(ap),r0
  4. subl3 $1,(ap)+,(ap)
  5. chmk r0
  6. bcs Ierr
  7. ret
  8. Ierr:
  9. jmp cerror