(define-vop (print)
(:args (object :scs (descriptor-reg any-reg)))
(:temporary (:sc unsigned-reg
- :offset eax-offset
- :target result
- :from :eval
- :to (:result 0))
- eax)
+ :offset eax-offset
+ :target result
+ :from :eval
+ :to (:result 0))
+ eax)
+ #!+darwin
+ (:temporary (:sc unsigned-reg
+ :offset esi-offset)
+ prev-stack-pointer)
(:results (result :scs (descriptor-reg)))
(:save-p t)
(:generator 100
+ #!-darwin
(inst push object)
- (inst lea eax (make-fixup (extern-alien-name "debug_print") :foreign))
- (inst call (make-fixup (extern-alien-name "call_into_c") :foreign))
- (inst add esp-tn word-bytes)
+ #!+darwin
+ (progn
+ ;; the stack should be 16-byte aligned on Darwin
+ (inst mov prev-stack-pointer esp-tn)
+ (inst sub esp-tn n-word-bytes)
+ (align-stack-pointer esp-tn)
+ (storew object esp-tn))
+ (inst lea eax (make-fixup "debug_print" :foreign))
+ (inst call (make-fixup "call_into_c" :foreign))
+ #!-darwin
+ (inst add esp-tn n-word-bytes)
+ #!+darwin
+ (inst mov esp-tn prev-stack-pointer)
(move result eax)))