X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Faliencomp.lisp;h=bc5b11a2ac8117e7aa3d42f8e09c28454b9049a1;hb=a572ab7de4266dec958d50612a8376df6bb45226;hp=92a9128228673e0f25cd12772d1c1f99951a3251;hpb=c2431e2d0d0222a3cf20cfdfa48201bdcc65cd76;p=sbcl.git diff --git a/src/compiler/aliencomp.lisp b/src/compiler/aliencomp.lisp index 92a9128..bc5b11a 100644 --- a/src/compiler/aliencomp.lisp +++ b/src/compiler/aliencomp.lisp @@ -61,6 +61,8 @@ (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 @@ -330,7 +332,8 @@ (deftransform %heap-alien-addr ((info) * * :important t) (multiple-value-bind (sap type) (heap-alien-sap-and-type info) (/noshow "in DEFTRANSFORM %HEAP-ALIEN-ADDR, creating %SAP-ALIEN") - `(%sap-alien ,sap ',type))) + `(%sap-alien ,sap ',(make-alien-pointer-type :to type)))) + ;;;; support for local (stack or register) aliens @@ -346,14 +349,16 @@ (/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) @@ -469,7 +474,7 @@ (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)) @@ -506,6 +511,8 @@ (%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) @@ -521,7 +528,7 @@ (count-low-order-zeros (lvar-uses thing)))) (combination (case (let ((name (lvar-fun-name (combination-fun thing)))) - (or (modular-version-info name :unsigned) name)) + (or (modular-version-info name :untagged nil) name)) ((+ -) (let ((min most-positive-fixnum) (itype (specifier-type 'integer))) @@ -578,7 +585,7 @@ (give-up-ir1-transform)) (let ((inside-fun-name (lvar-fun-name (combination-fun value-node)))) (multiple-value-bind (prototype width) - (modular-version-info inside-fun-name :unsigned) + (modular-version-info inside-fun-name :untagged nil) (unless (eq (or prototype inside-fun-name) 'ash) (give-up-ir1-transform)) (when (and width (not (constant-lvar-p amount))) @@ -590,7 +597,7 @@ (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)) @@ -627,10 +634,31 @@ (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)) @@ -664,49 +692,83 @@ (dolist (arg args) (annotate-ordinary-lvar arg))) +;;; We support both the stdcall and cdecl calling conventions on win32 by +;;; resetting ESP after the foreign function returns. This way it works +;;; correctly whether the party that is supposed to pop arguments from +;;; the stack is the caller (cdecl) or the callee (stdcall). (defoptimizer (%alien-funcall ir2-convert) ((function type &rest args) call block) (let ((type (if (constant-lvar-p type) (lvar-value type) (error "Something is broken."))) (lvar (node-lvar call)) - (args args)) + (args args) + #!+x86 + (stack-pointer (make-stack-pointer-tn))) (multiple-value-bind (nsp stack-frame-size arg-tns result-tns) (make-call-out-tns type) + #!+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) - (let* ((arg (pop args)) - (sc (tn-sc tn)) + ;; On PPC, TN might be a list. This is used to indicate + ;; something special needs to happen. See below. + ;; + ;; FIXME: We should implement something better than this. + (let* ((first-tn (if (listp tn) (car tn) tn)) + (arg (pop args)) + (sc (tn-sc first-tn)) (scn (sc-number sc)) - #!-(or x86 x86-64) (temp-tn (make-representation-tn (tn-primitive-type tn) - scn)) + #!-(or x86 x86-64) (temp-tn (make-representation-tn + (tn-primitive-type first-tn) scn)) (move-arg-vops (svref (sc-move-arg-vops sc) scn))) (aver arg) (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 - 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 - tn)))) + (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 + ;; for the float as well as the TNs to use for the int + ;; arg. + (destructuring-bind (float-tn i1-tn &optional i2-tn) + tn + (if i2-tn + (vop sb!vm::move-double-to-int-arg call block + float-tn i1-tn i2-tn) + (vop sb!vm::move-single-to-int-arg call block + float-tn i1-tn)))))) (aver (null args)) (unless (listp result-tns) (setf result-tns (list result-tns))) - (vop* call-out call block - ((lvar-tn call block function) - (reference-tn-list arg-tns nil)) - ((reference-tn-list result-tns t))) + (let ((arg-tns (flatten-list arg-tns))) + (vop* call-out call block + ((lvar-tn call block function) + (reference-tn-list arg-tns nil)) + ((reference-tn-list result-tns t)))) + #!-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))))