(flushable movable))
(defknown deport (alien alien-type) t
(flushable movable))
+(defknown deport-alloc (alien alien-type) t
+ (flushable movable))
(defknown extract-alien-value (system-area-pointer unsigned-byte alien-type) t
(flushable))
(defknown deposit-alien-value (system-area-pointer unsigned-byte alien-type t) t
(/noshow (local-alien-info-force-to-memory-p info))
(/noshow alien-type (unparse-alien-type alien-type) (alien-type-bits alien-type))
(if (local-alien-info-force-to-memory-p info)
- #!+(or x86 x86-64) `(truly-the system-area-pointer
- (%primitive alloc-alien-stack-space
- ,(ceiling (alien-type-bits alien-type)
- sb!vm:n-byte-bits)))
- #!-(or x86 x86-64) `(truly-the system-area-pointer
- (%primitive alloc-number-stack-space
- ,(ceiling (alien-type-bits alien-type)
- sb!vm:n-byte-bits)))
+ #!+(or x86 x86-64)
+ `(truly-the system-area-pointer
+ (%primitive alloc-alien-stack-space
+ ,(ceiling (alien-type-bits alien-type)
+ sb!vm:n-byte-bits)))
+ #!-(or x86 x86-64)
+ `(truly-the system-area-pointer
+ (%primitive alloc-number-stack-space
+ ,(ceiling (alien-type-bits alien-type)
+ sb!vm:n-byte-bits)))
(let* ((alien-rep-type-spec (compute-alien-rep-type alien-type))
(alien-rep-type (specifier-type alien-rep-type-spec)))
(cond ((csubtypep (specifier-type 'system-area-pointer)
(let ((alien-node (lvar-uses alien)))
(typecase alien-node
(combination
- (extract-fun-args alien '%sap-alien 2)
+ (splice-fun-args alien '%sap-alien 2)
'(lambda (sap type)
(declare (ignore type))
sap))
(%computed-lambda #'compute-naturalize-lambda type))
(deftransform deport ((alien type) * * :important t)
(%computed-lambda #'compute-deport-lambda type))
+ (deftransform deport-alloc ((alien type) * * :important t)
+ (%computed-lambda #'compute-deport-alloc-lambda type))
(deftransform extract-alien-value ((sap offset type) * * :important t)
(%computed-lambda #'compute-extract-lambda type))
(deftransform deposit-alien-value ((sap offset type value) * * :important t)
(unless (and (constant-lvar-p inside-amount)
(not (minusp (lvar-value inside-amount))))
(give-up-ir1-transform)))
- (extract-fun-args value inside-fun-name 2)
+ (splice-fun-args value inside-fun-name 2)
(if width
`(lambda (value amount1 amount2)
(logand (ash value (+ amount1 amount2))
(let ((param (gensym)))
(params param)
(deports `(deport ,param ',arg-type))))
+ ;; Build BODY from the inside out.
(let ((return-type (alien-fun-type-result-type alien-type))
+ ;; Innermost, we DEPORT the parameters (e.g. by taking SAPs
+ ;; to them) and do the call.
(body `(%alien-funcall (deport function ',alien-type)
',alien-type
,@(deports))))
+ ;; Wrap that in a WITH-PINNED-OBJECTS to ensure the values
+ ;; the SAPs are taken for won't be moved by the GC. (If
+ ;; needed: some alien types won't need it).
+ (setf body `(maybe-with-pinned-objects ,(params) ,arg-types
+ ,body))
+ ;; Around that handle any memory allocation that's needed.
+ ;; Mostly the DEPORT-ALLOC alien-type-methods are just an
+ ;; identity operation, but for example for deporting a
+ ;; Unicode string we need to convert the string into an
+ ;; octet array. This step needs to be done before the pinning
+ ;; to ensure we pin the right objects, so it can't be combined
+ ;; with the deporting.
+ ;; -- JES 2006-03-16
+ (loop for param in (params)
+ for arg-type in arg-types
+ do (setf body
+ `(let ((,param (deport-alloc ,param ',arg-type)))
+ ,body)))
(if (alien-values-type-p return-type)
(collect ((temps) (results))
(dolist (type (alien-values-type-values return-type))
(error "Something is broken.")))
(lvar (node-lvar call))
(args args)
- #!+win32 (stack-pointer (make-stack-pointer-tn)))
+ #!+x86
+ (stack-pointer (make-stack-pointer-tn)))
(multiple-value-bind (nsp stack-frame-size arg-tns result-tns)
(make-call-out-tns type)
- #!+x86 (vop set-fpu-word-for-c call block)
- #!+win32 (vop current-stack-pointer call block stack-pointer)
+ #!+x86
+ (progn
+ (vop set-fpu-word-for-c call block)
+ (vop current-stack-pointer call block stack-pointer))
(vop alloc-number-stack-space call block stack-frame-size nsp)
(dolist (tn arg-tns)
;; On PPC, TN might be a list. This is used to indicate
(unless (= (length move-arg-vops) 1)
(error "no unique move-arg-vop for moves in SC ~S" (sc-name sc)))
#!+(or x86 x86-64) (emit-move-arg-template call
- block
- (first move-arg-vops)
- (lvar-tn call block arg)
- nsp
- first-tn)
+ block
+ (first move-arg-vops)
+ (lvar-tn call block arg)
+ nsp
+ first-tn)
#!-(or x86 x86-64) (progn
- (emit-move call
- block
- (lvar-tn call block arg)
- temp-tn)
- (emit-move-arg-template call
- block
- (first move-arg-vops)
- temp-tn
- nsp
- first-tn))
- #+(and ppc darwin)
+ (emit-move call
+ block
+ (lvar-tn call block arg)
+ temp-tn)
+ (emit-move-arg-template call
+ block
+ (first move-arg-vops)
+ temp-tn
+ nsp
+ first-tn))
+ #!+(and ppc darwin)
(when (listp tn)
;; This means that we have a float arg that we need to
;; also copy to some int regs. The list contains the TN
((lvar-tn call block function)
(reference-tn-list arg-tns nil))
((reference-tn-list result-tns t))))
- #!-win32 (vop dealloc-number-stack-space call block stack-frame-size)
- #!+win32 (vop reset-stack-pointer call block stack-pointer)
- #!+x86 (vop set-fpu-word-for-lisp call block)
+ #!-x86
+ (vop dealloc-number-stack-space call block stack-frame-size)
+ #!+x86
+ (progn
+ (vop reset-stack-pointer call block stack-pointer)
+ (vop set-fpu-word-for-lisp call block))
(move-lvar-result call block result-tns lvar))))
projects / sbcl.git / blobdiff