src/compiler/ppc/show.lisp

   1 ;;; Written by William Lott.
   2
   3 (in-package "SB!VM")
   4
   5
   6 (define-vop (print)
   7   (:args (object :scs (descriptor-reg any-reg) :target nl0))
   8   (:results (result :scs (descriptor-reg)))
   9   (:save-p t)
  10   (:temporary (:sc any-reg :offset nl0-offset :from (:argument 0)) nl0)
  11   (:temporary (:sc any-reg :offset cfunc-offset) cfunc)
  12   (:temporary (:sc interior-reg :offset lip-offset) lip)
  13   (:temporary (:scs (non-descriptor-reg)) temp)
  14   (:temporary (:sc control-stack :offset nfp-save-offset) nfp-save)
  15   (:vop-var vop)
  16   (:generator 100
  17     (let ((cur-nfp (current-nfp-tn vop)))
  18       (when cur-nfp
  19         (store-stack-tn nfp-save cur-nfp))
  20       (move nl0 object)
  21       (inst lr temp  (make-fixup "call_into_c" :foreign))
  22       (inst mr lip temp)
  23       (inst mtctr lip)
  24       (inst lr cfunc (make-fixup "debug_print" :foreign))
  25       (inst bctrl)
  26       (when cur-nfp
  27         (load-stack-tn cur-nfp nfp-save))
  28       (move result nl0))))