(in-package "SB!VM")
-;; The MOVE-ARGUMENT vop is going to store args on the stack for
+;; The MOVE-ARG vop is going to store args on the stack for
;; call-out. These tn's will be used for that. move-arg is normally
;; used for things going down the stack but C wants to have args
;; indexed in the positive direction.
(defstruct (arg-state (:copier nil))
(stack-frame-size 0))
-(def-alien-type-method (integer :arg-tn) (type state)
+(define-alien-type-method (integer :arg-tn) (type state)
(let ((stack-frame-size (arg-state-stack-frame-size state)))
(setf (arg-state-stack-frame-size state) (1+ stack-frame-size))
(multiple-value-bind (ptype stack-sc)
(values 'unsigned-byte-32 'unsigned-stack))
(my-make-wired-tn ptype stack-sc stack-frame-size))))
-(def-alien-type-method (system-area-pointer :arg-tn) (type state)
+(define-alien-type-method (system-area-pointer :arg-tn) (type state)
(declare (ignore type))
(let ((stack-frame-size (arg-state-stack-frame-size state)))
(setf (arg-state-stack-frame-size state) (1+ stack-frame-size))
stack-frame-size)))
#!+long-float
-(def-alien-type-method (long-float :arg-tn) (type state)
+(define-alien-type-method (long-float :arg-tn) (type state)
(declare (ignore type))
(let ((stack-frame-size (arg-state-stack-frame-size state)))
(setf (arg-state-stack-frame-size state) (+ stack-frame-size 3))
(my-make-wired-tn 'long-float 'long-stack stack-frame-size)))
-(def-alien-type-method (double-float :arg-tn) (type state)
+(define-alien-type-method (double-float :arg-tn) (type state)
(declare (ignore type))
(let ((stack-frame-size (arg-state-stack-frame-size state)))
(setf (arg-state-stack-frame-size state) (+ stack-frame-size 2))
(my-make-wired-tn 'double-float 'double-stack stack-frame-size)))
-(def-alien-type-method (single-float :arg-tn) (type state)
+(define-alien-type-method (single-float :arg-tn) (type state)
(declare (ignore type))
(let ((stack-frame-size (arg-state-stack-frame-size state)))
(setf (arg-state-stack-frame-size state) (1+ stack-frame-size))
(0 eax-offset)
(1 edx-offset)))
-(def-alien-type-method (integer :result-tn) (type state)
+(define-alien-type-method (integer :result-tn) (type state)
(let ((num-results (result-state-num-results state)))
(setf (result-state-num-results state) (1+ num-results))
(multiple-value-bind (ptype reg-sc)
(values 'unsigned-byte-32 'unsigned-reg))
(my-make-wired-tn ptype reg-sc (result-reg-offset num-results)))))
-(def-alien-type-method (system-area-pointer :result-tn) (type state)
+(define-alien-type-method (system-area-pointer :result-tn) (type state)
(declare (ignore type))
(let ((num-results (result-state-num-results state)))
(setf (result-state-num-results state) (1+ num-results))
(result-reg-offset num-results))))
#!+long-float
-(def-alien-type-method (long-float :result-tn) (type state)
+(define-alien-type-method (long-float :result-tn) (type state)
(declare (ignore type))
(let ((num-results (result-state-num-results state)))
(setf (result-state-num-results state) (1+ num-results))
(my-make-wired-tn 'long-float 'long-reg (* num-results 2))))
-(def-alien-type-method (double-float :result-tn) (type state)
+(define-alien-type-method (double-float :result-tn) (type state)
(declare (ignore type))
(let ((num-results (result-state-num-results state)))
(setf (result-state-num-results state) (1+ num-results))
(my-make-wired-tn 'double-float 'double-reg (* num-results 2))))
-(def-alien-type-method (single-float :result-tn) (type state)
+(define-alien-type-method (single-float :result-tn) (type state)
(declare (ignore type))
(let ((num-results (result-state-num-results state)))
(setf (result-state-num-results state) (1+ num-results))
(my-make-wired-tn 'single-float 'single-reg (* num-results 2))))
-#+nil ;;pfw obsolete now?
-(def-alien-type-method (values :result-tn) (type state)
- (mapcar #'(lambda (type)
- (invoke-alien-type-method :result-tn type state))
- (alien-values-type-values type)))
-
-;;; pfw - from alpha
-(def-alien-type-method (values :result-tn) (type state)
+(define-alien-type-method (values :result-tn) (type state)
(let ((values (alien-values-type-values type)))
- (when (cdr values)
+ (when (> (length values) 2)
(error "Too many result values from c-call."))
- (when values
- (invoke-alien-type-method :result-tn (car values) state))))
+ (mapcar (lambda (type)
+ (invoke-alien-type-method :result-tn type state))
+ values)))
(!def-vm-support-routine make-call-out-tns (type)
(let ((arg-state (make-arg-state)))
(collect ((arg-tns))
- (dolist #+nil ;; this reversed list seems to cause the alien botches!!
- (arg-type (reverse (alien-fun-type-arg-types type)))
- (arg-type (alien-fun-type-arg-types type))
+ (dolist (arg-type (alien-fun-type-arg-types type))
(arg-tns (invoke-alien-type-method :arg-tn arg-type arg-state)))
(values (my-make-wired-tn 'positive-fixnum 'any-reg esp-offset)
(* (arg-state-stack-frame-size arg-state) n-word-bytes)
(alien-fun-type-result-type type)
(make-result-state))))))
+
+(deftransform %alien-funcall ((function type &rest args) * * :node node)
+ (aver (sb!c::constant-lvar-p type))
+ (let* ((type (sb!c::lvar-value type))
+ (env (sb!c::node-lexenv node))
+ (arg-types (alien-fun-type-arg-types type))
+ (result-type (alien-fun-type-result-type type)))
+ (aver (= (length arg-types) (length args)))
+ (if (or (some #'(lambda (type)
+ (and (alien-integer-type-p type)
+ (> (sb!alien::alien-integer-type-bits type) 32)))
+ arg-types)
+ (and (alien-integer-type-p result-type)
+ (> (sb!alien::alien-integer-type-bits result-type) 32)))
+ (collect ((new-args) (lambda-vars) (new-arg-types))
+ (dolist (type arg-types)
+ (let ((arg (gensym)))
+ (lambda-vars arg)
+ (cond ((and (alien-integer-type-p type)
+ (> (sb!alien::alien-integer-type-bits type) 32))
+ (new-args `(logand ,arg #xffffffff))
+ (new-args `(ash ,arg -32))
+ (new-arg-types (parse-alien-type '(unsigned 32) env))
+ (if (alien-integer-type-signed type)
+ (new-arg-types (parse-alien-type '(signed 32) env))
+ (new-arg-types (parse-alien-type '(unsigned 32) env))))
+ (t
+ (new-args arg)
+ (new-arg-types type)))))
+ (cond ((and (alien-integer-type-p result-type)
+ (> (sb!alien::alien-integer-type-bits result-type) 32))
+ (let ((new-result-type
+ (let ((sb!alien::*values-type-okay* t))
+ (parse-alien-type
+ (if (alien-integer-type-signed result-type)
+ '(values (unsigned 32) (signed 32))
+ '(values (unsigned 32) (unsigned 32)))
+ env))))
+ `(lambda (function type ,@(lambda-vars))
+ (declare (ignore type))
+ (multiple-value-bind (low high)
+ (%alien-funcall function
+ ',(make-alien-fun-type
+ :arg-types (new-arg-types)
+ :result-type new-result-type)
+ ,@(new-args))
+ (logior low (ash high 32))))))
+ (t
+ `(lambda (function type ,@(lambda-vars))
+ (declare (ignore type))
+ (%alien-funcall function
+ ',(make-alien-fun-type
+ :arg-types (new-arg-types)
+ :result-type result-type)
+ ,@(new-args))))))
+ (sb!c::give-up-ir1-transform))))
+
(define-vop (foreign-symbol-address)
(:translate foreign-symbol-address)
(:policy :fast-safe)
(:generator 2
(inst lea res (make-fixup (extern-alien-name foreign-symbol) :foreign))))
+#!+linkage-table
+(define-vop (foreign-symbol-dataref-address)
+ (:translate foreign-symbol-dataref-address)
+ (:policy :fast-safe)
+ (:args)
+ (:arg-types (:constant simple-string))
+ (:info foreign-symbol)
+ (:results (res :scs (sap-reg)))
+ (:result-types system-area-pointer)
+ (:generator 2
+ (inst mov res (make-fixup (extern-alien-name foreign-symbol) :foreign-dataref))))
+
(define-vop (call-out)
(:args (function :scs (sap-reg))
(args :more t))
(:results (results :more t))
- ;; eax is already wired
- (:temporary (:sc unsigned-reg :offset ecx-offset) ecx)
- (:temporary (:sc unsigned-reg :offset edx-offset) edx)
+ (:temporary (:sc unsigned-reg :offset eax-offset
+ :from :eval :to :result) eax)
+ (:temporary (:sc unsigned-reg :offset ecx-offset
+ :from :eval :to :result) ecx)
+ (:temporary (:sc unsigned-reg :offset edx-offset
+ :from :eval :to :result) edx)
(:node-var node)
(:vop-var vop)
(:save-p t)
(:ignore args ecx edx)
(:generator 0
(cond ((policy node (> space speed))
- (move eax-tn function)
+ (move eax function)
(inst call (make-fixup (extern-alien-name "call_into_c") :foreign)))
(t
;; Setup the NPX for C; all the FP registers need to be
;; empty; pop them all.
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
- (inst fstp fr0-tn)
+ (dotimes (i 8)
+ (inst fstp fr0-tn))
(inst call function)
;; To give the debugger a clue. XX not really internal-error?
(note-this-location vop :internal-error)
- ;; Restore the NPX for lisp.
- (inst fldz) ; insure no regs are empty
- (inst fldz)
- (inst fldz)
- (inst fldz)
- (inst fldz)
- (inst fldz)
- (inst fldz)
+ ;; Restore the NPX for lisp; ensure no regs are empty
+ (dotimes (i 7)
+ (inst fldz))
(if (and results
(location= (tn-ref-tn results) fr0-tn))
(define-vop (alloc-number-stack-space)
(:info amount)
(:results (result :scs (sap-reg any-reg)))
+ (:node-var node)
(:generator 0
(aver (location= result esp-tn))
+ (when (policy node (= sb!c::float-accuracy 3))
+ (inst sub esp-tn 4)
+ (inst fnstcw (make-ea :word :base esp-tn))
+ (inst wait)
+ (inst or (make-ea :word :base esp-tn) #x300)
+ (inst fldcw (make-ea :word :base esp-tn))
+ (inst wait))
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 3) 3)))
(inst sub esp-tn delta)))
(define-vop (dealloc-number-stack-space)
(:info amount)
+ (:node-var node)
(:generator 0
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 3) 3)))
- (inst add esp-tn delta)))))
+ (inst add esp-tn delta)))
+ (when (policy node (= sb!c::float-accuracy 3))
+ (inst fnstcw (make-ea :word :base esp-tn))
+ (inst wait)
+ (inst and (make-ea :word :base esp-tn) #xfeff)
+ (inst fldcw (make-ea :word :base esp-tn))
+ (inst wait)
+ (inst add esp-tn 4))))
(define-vop (alloc-alien-stack-space)
(:info amount)
+ #!+sb-thread (:temporary (:sc unsigned-reg) temp)
(:results (result :scs (sap-reg any-reg)))
+ #!+sb-thread
(:generator 0
(aver (not (location= result esp-tn)))
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 3) 3)))
- (inst sub (make-ea :dword
- :disp (+ nil-value
- (static-symbol-offset '*alien-stack*)
- (ash symbol-value-slot word-shift)
- (- other-pointer-lowtag)))
- delta)))
+ (inst mov temp
+ (make-ea :dword
+ :disp (+ nil-value
+ (static-symbol-offset '*alien-stack*)
+ (ash symbol-tls-index-slot word-shift)
+ (- other-pointer-lowtag))))
+ (inst fs-segment-prefix)
+ (inst sub (make-ea :dword :scale 1 :index temp) delta)))
+ (load-tl-symbol-value result *alien-stack*))
+ #!-sb-thread
+ (:generator 0
+ (aver (not (location= result esp-tn)))
+ (unless (zerop amount)
+ (let ((delta (logandc2 (+ amount 3) 3)))
+ (inst sub (make-ea :dword
+ :disp (+ nil-value
+ (static-symbol-offset '*alien-stack*)
+ (ash symbol-value-slot word-shift)
+ (- other-pointer-lowtag)))
+ delta)))
(load-symbol-value result *alien-stack*)))
(define-vop (dealloc-alien-stack-space)
(:info amount)
+ #!+sb-thread (:temporary (:sc unsigned-reg) temp)
+ #!+sb-thread
(:generator 0
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 3) 3)))
- (inst add (make-ea :dword
+ (inst mov temp
+ (make-ea :dword
:disp (+ nil-value
(static-symbol-offset '*alien-stack*)
- (ash symbol-value-slot word-shift)
- (- other-pointer-lowtag)))
- delta)))))
+ (ash symbol-tls-index-slot word-shift)
+ (- other-pointer-lowtag))))
+ (inst fs-segment-prefix)
+ (inst add (make-ea :dword :scale 1 :index temp) delta))))
+ #!-sb-thread
+ (:generator 0
+ (unless (zerop amount)
+ (let ((delta (logandc2 (+ amount 3) 3)))
+ (inst add (make-ea :dword
+ :disp (+ nil-value
+ (static-symbol-offset '*alien-stack*)
+ (ash symbol-value-slot word-shift)
+ (- other-pointer-lowtag)))
+ delta)))))
+
+;;; these are not strictly part of the c-call convention, but are
+;;; needed for the WITH-PRESERVED-POINTERS macro used for "locking
+;;; down" lisp objects so that GC won't move them while foreign
+;;; functions go to work.
+
+(define-vop (push-word-on-c-stack)
+ (:translate push-word-on-c-stack)
+ (:args (val :scs (sap-reg)))
+ (:policy :fast-safe)
+ (:arg-types system-area-pointer)
+ (:generator 2
+ (inst push val)))
+
+(define-vop (pop-words-from-c-stack)
+ (:translate pop-words-from-c-stack)
+ (:args)
+ (:arg-types (:constant (unsigned-byte 29)))
+ (:info number)
+ (:policy :fast-safe)
+ (:generator 2
+ (inst add esp-tn (fixnumize number))))
+
projects / sbcl.git / blobdiff