(defun my-make-wired-tn (prim-type-name sc-name offset)
(make-wired-tn (primitive-type-or-lose prim-type-name)
- (sc-number-or-lose sc-name)
- offset))
+ (sc-number-or-lose sc-name)
+ offset))
(defstruct arg-state
(stack-frame-size 0)
(setf (arg-state-stack-frame-size state) (1+ stack-frame-size))
(setf (arg-state-did-int-arg state) t)
(multiple-value-bind
- (ptype reg-sc stack-sc)
- (if (alien-integer-type-signed type)
- (values 'signed-byte-32 'signed-reg 'signed-stack)
- (values 'unsigned-byte-32 'unsigned-reg 'unsigned-stack))
+ (ptype reg-sc stack-sc)
+ (if (alien-integer-type-signed type)
+ (values 'signed-byte-32 'signed-reg 'signed-stack)
+ (values 'unsigned-byte-32 'unsigned-reg 'unsigned-stack))
(if (< stack-frame-size 4)
- (my-make-wired-tn ptype reg-sc (+ stack-frame-size 4))
- (my-make-wired-tn ptype stack-sc stack-frame-size)))))
+ (my-make-wired-tn ptype reg-sc (+ stack-frame-size 4))
+ (my-make-wired-tn ptype stack-sc stack-frame-size)))))
(define-alien-type-method (system-area-pointer :arg-tn) (type state)
(declare (ignore type))
(setf (arg-state-stack-frame-size state) (1+ stack-frame-size))
(setf (arg-state-did-int-arg state) t)
(if (< stack-frame-size 4)
- (my-make-wired-tn 'system-area-pointer
- 'sap-reg
- (+ stack-frame-size 4))
- (my-make-wired-tn 'system-area-pointer
- 'sap-stack
- stack-frame-size))))
+ (my-make-wired-tn 'system-area-pointer
+ 'sap-reg
+ (+ stack-frame-size 4))
+ (my-make-wired-tn 'system-area-pointer
+ 'sap-stack
+ stack-frame-size))))
(define-alien-type-method (double-float :arg-tn) (type state)
(declare (ignore type))
(let ((stack-frame-size (logandc2 (1+ (arg-state-stack-frame-size state)) 1))
- (float-args (arg-state-float-args state)))
+ (float-args (arg-state-float-args state)))
(setf (arg-state-stack-frame-size state) (+ stack-frame-size 2))
(setf (arg-state-float-args state) (1+ float-args))
(cond ((>= stack-frame-size 4)
- (my-make-wired-tn 'double-float
- 'double-stack
- stack-frame-size))
- ((and (not (arg-state-did-int-arg state))
- (< float-args 2))
- (my-make-wired-tn 'double-float
- 'double-reg
- (+ (* float-args 2) 12)))
- (t
+ (my-make-wired-tn 'double-float
+ 'double-stack
+ stack-frame-size))
+ ((and (not (arg-state-did-int-arg state))
+ (< float-args 2))
+ (my-make-wired-tn 'double-float
+ 'double-reg
+ (+ (* float-args 2) 12)))
+ (t
(my-make-wired-tn 'double-float
'double-int-carg-reg
(+ stack-frame-size 4))))))
(define-alien-type-method (single-float :arg-tn) (type state)
(declare (ignore type))
(let ((stack-frame-size (arg-state-stack-frame-size state))
- (float-args (arg-state-float-args state)))
+ (float-args (arg-state-float-args state)))
(setf (arg-state-stack-frame-size state) (1+ stack-frame-size))
(setf (arg-state-float-args state) (1+ float-args))
(cond ((>= stack-frame-size 4)
- (my-make-wired-tn 'single-float
- 'single-stack
- stack-frame-size))
- ((and (not (arg-state-did-int-arg state))
- (< float-args 2))
- (my-make-wired-tn 'single-float
- 'single-reg
- (+ (* float-args 2) 12)))
- (t
+ (my-make-wired-tn 'single-float
+ 'single-stack
+ stack-frame-size))
+ ((and (not (arg-state-did-int-arg state))
+ (< float-args 2))
+ (my-make-wired-tn 'single-float
+ 'single-reg
+ (+ (* float-args 2) 12)))
+ (t
(my-make-wired-tn 'single-float
'single-int-carg-reg
(+ stack-frame-size 4))))))
(let ((num-results (result-state-num-results state)))
(setf (result-state-num-results state) (1+ num-results))
(multiple-value-bind (ptype reg-sc)
- (if (alien-integer-type-signed type)
- (values 'signed-byte-32 'signed-reg)
- (values 'unsigned-byte-32 'unsigned-reg))
+ (if (alien-integer-type-signed type)
+ (values 'signed-byte-32 'signed-reg)
+ (values 'unsigned-byte-32 'unsigned-reg))
(my-make-wired-tn ptype reg-sc (result-reg-offset num-results)))))
(define-alien-type-method (system-area-pointer :result-tn) (type state)
(when (> (length values) 2)
(error "Too many result values from c-call."))
(mapcar #'(lambda (type)
- (invoke-alien-type-method :result-tn type state))
- values)))
+ (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 (arg-type (alien-fun-type-arg-types type))
- (arg-tns (invoke-alien-type-method :arg-tn arg-type arg-state)))
+ (arg-tns (invoke-alien-type-method :arg-tn arg-type arg-state)))
(values (my-make-wired-tn 'positive-fixnum 'any-reg nsp-offset)
- (* (max (arg-state-stack-frame-size arg-state) 4) n-word-bytes)
- (arg-tns)
- (invoke-alien-type-method :result-tn
- (alien-fun-type-result-type type)
- (make-result-state))))))
+ (* (max (arg-state-stack-frame-size arg-state) 4) n-word-bytes)
+ (arg-tns)
+ (invoke-alien-type-method :result-tn
+ (alien-fun-type-result-type type)
+ (make-result-state))))))
(deftransform %alien-funcall ((function type &rest args))
(aver (sb!c::constant-lvar-p type))
(let* ((type (sb!c::lvar-value type))
- (env (sb!kernel:make-null-lexenv))
- (arg-types (alien-fun-type-arg-types type))
- (result-type (alien-fun-type-result-type type)))
+ (env (sb!kernel:make-null-lexenv))
+ (arg-types (alien-fun-type-arg-types type))
+ (result-type (alien-fun-type-result-type type)))
(aver (= (length arg-types) (length args)))
;; We need to do something special for 64-bit integer arguments
;; and results.
(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))
- ;; 64-bit long long types are stored in
- ;; consecutive locations, endian word order,
- ;; aligned to 8 bytes.
- (if (oddp (length (new-args)))
- (new-args nil))
- #!-little-endian
- (progn (new-args `(ash ,arg -32))
- (new-args `(logand ,arg #xffffffff))
- (if (oddp (length (new-arg-types)))
- (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)))
- (new-arg-types (parse-alien-type '(unsigned 32) env)))
- #!+little-endian
- (progn (new-args `(logand ,arg #xffffffff))
- (new-args `(ash ,arg -32))
- (if (oddp (length (new-arg-types)))
- (new-arg-types (parse-alien-type '(unsigned 32) env)))
- (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)
- #!-little-endian
- '(values (signed 32) (unsigned 32))
- #!+little-endian
- '(values (unsigned 32) (signed 32))
- '(values (unsigned 32) (unsigned 32)))
- env))))
- `(lambda (function type ,@(lambda-vars))
- (declare (ignore type))
- (multiple-value-bind
- #!-little-endian
- (high low)
- #!+little-endian
- (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))))
+ (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))
+ ;; 64-bit long long types are stored in
+ ;; consecutive locations, endian word order,
+ ;; aligned to 8 bytes.
+ (when (oddp (length (new-args)))
+ (new-args nil))
+ #!-little-endian
+ (progn (new-args `(ash ,arg -32))
+ (new-args `(logand ,arg #xffffffff))
+ (if (oddp (length (new-arg-types)))
+ (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)))
+ (new-arg-types (parse-alien-type '(unsigned 32) env)))
+ #!+little-endian
+ (progn (new-args `(logand ,arg #xffffffff))
+ (new-args `(ash ,arg -32))
+ (if (oddp (length (new-arg-types)))
+ (new-arg-types (parse-alien-type '(unsigned 32) env)))
+ (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)
+ #!-little-endian
+ '(values (signed 32) (unsigned 32))
+ #!+little-endian
+ '(values (unsigned 32) (signed 32))
+ '(values (unsigned 32) (unsigned 32)))
+ env))))
+ `(lambda (function type ,@(lambda-vars))
+ (declare (ignore type))
+ (multiple-value-bind
+ #!-little-endian
+ (high low)
+ #!+little-endian
+ (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-sap)
(:translate foreign-symbol-sap)
(:generator 2
(inst li res (make-fixup foreign-symbol :foreign))))
+#!+linkage-table
+(define-vop (foreign-symbol-dataref-sap)
+ (:translate foreign-symbol-dataref-sap)
+ (:policy :fast-safe)
+ (:args)
+ (:arg-types (:constant simple-string))
+ (:info foreign-symbol)
+ (:results (res :scs (sap-reg)))
+ (:result-types system-area-pointer)
+ (:temporary (:scs (non-descriptor-reg)) addr)
+ (:generator 2
+ (inst li addr (make-fixup foreign-symbol :foreign-dataref))
+ (loadw res addr)))
+
(define-vop (call-out)
(:args (function :scs (sap-reg) :target cfunc)
- (args :more t))
+ (args :more t))
(:results (results :more t))
(:ignore args results)
(:save-p t)
(:temporary (:sc any-reg :offset cfunc-offset
- :from (:argument 0) :to (:result 0)) cfunc)
+ :from (:argument 0) :to (:result 0)) cfunc)
(:temporary (:sc control-stack :offset nfp-save-offset) nfp-save)
(:vop-var vop)
(:generator 0
(let ((cur-nfp (current-nfp-tn vop)))
(when cur-nfp
- (store-stack-tn nfp-save cur-nfp))
+ (store-stack-tn nfp-save cur-nfp))
(inst jal (make-fixup "call_into_c" :foreign))
(move cfunc function t)
(when cur-nfp
- (load-stack-tn cur-nfp nfp-save)))))
+ (load-stack-tn cur-nfp nfp-save)))))
(define-vop (alloc-number-stack-space)
(:info amount)
+ (:result-types system-area-pointer)
(:results (result :scs (sap-reg any-reg)))
(:temporary (:scs (unsigned-reg) :to (:result 0)) temp)
(:generator 0
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 7) 7)))
- (cond ((< delta (ash 1 15))
- (inst subu nsp-tn delta))
- (t
- (inst li temp delta)
- (inst subu nsp-tn temp)))))
+ (cond ((< delta (ash 1 15))
+ (inst subu nsp-tn delta))
+ (t
+ (inst li temp delta)
+ (inst subu nsp-tn temp)))))
(move result nsp-tn)))
(define-vop (dealloc-number-stack-space)
(:generator 0
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 7) 7)))
- (cond ((< delta (ash 1 15))
- (inst addu nsp-tn delta))
- (t
- (inst li temp delta)
- (inst addu nsp-tn temp)))))))
+ (cond ((< delta (ash 1 15))
+ (inst addu nsp-tn delta))
+ (t
+ (inst li temp delta)
+ (inst addu nsp-tn temp)))))))
+
+#-sb-xc-host
+(defun alien-callback-accessor-form (type sap offset)
+ (let ((parsed-type type))
+ (if (alien-integer-type-p parsed-type)
+ (let ((bits (sb!alien::alien-integer-type-bits parsed-type)))
+ (let ((byte-offset
+ (cond ((< bits n-word-bits)
+ (- n-word-bytes
+ (ceiling bits n-byte-bits)))
+ (t 0))))
+ `(deref (sap-alien (sap+ ,sap
+ ,(+ byte-offset offset))
+ (* ,type)))))
+ `(deref (sap-alien (sap+ ,sap ,offset) (* ,type))))))
+
+;;; Returns a vector in static space containing machine code for the
+;;; callback wrapper
+#-sb-xc-host
+(defun alien-callback-assembler-wrapper (index result-type argument-types)
+ #!+sb-doc
+ "Cons up a piece of code which calls enter-alien-callback with INDEX
+and a pointer to the arguments."
+ (flet ((make-gpr (n)
+ (make-random-tn :kind :normal :sc (sc-or-lose 'any-reg) :offset n))
+ (make-fpr (n)
+ (make-random-tn :kind :normal :sc (sc-or-lose 'double-reg) :offset n)))
+ (let* ((segment (make-segment))
+ (n-argument-words
+ (mapcar (lambda (arg) (ceiling (alien-type-bits arg) n-word-bits))
+ argument-types))
+ (n-linkage-area-bytes 8)
+ (n-return-area-words
+ (ceiling (or (alien-type-bits result-type) 0) n-word-bits))
+ (n-return-area-bytes (* n-return-area-words n-word-bytes))
+ (n-callee-register-args-bytes 16)
+ (n-frame-bytes (logandc2 (+ n-linkage-area-bytes
+ n-return-area-bytes
+ n-callee-register-args-bytes
+ 7)
+ 7))
+ (words-processed 0)
+ (int-seen)
+ (gprs (mapcar #'make-gpr '(4 5 6 7)))
+ (fprs (mapcar #'make-fpr '(12 14))))
+ (flet ((save-arg (type words)
+ (let ((offset (* words-processed n-word-bytes)))
+ (cond ((not (alien-float-type-p type))
+ (when (and (alien-integer-type-p type)
+ (> (sb!alien::alien-integer-type-bits type)
+ n-word-bits)
+ (oddp words-processed))
+ (pop gprs)
+ (incf words-processed)
+ (incf offset n-word-bytes))
+ (when gprs
+ (loop repeat words
+ for gpr = (pop gprs)
+ when gpr do
+ (inst sw gpr nsp-tn offset)
+ do
+ (setf int-seen t)
+ (incf words-processed)
+ (incf offset n-word-bytes))))
+ ((alien-single-float-type-p type)
+ (when gprs
+ (let ((gpr (pop gprs))
+ (fpr (pop fprs)))
+ (if int-seen
+ (when gpr (inst sw gpr nsp-tn offset))
+ (when fpr (inst swc1 fpr nsp-tn offset))))
+ (incf words-processed)))
+ ((alien-double-float-type-p type)
+ (when (oddp words-processed)
+ (pop gprs)
+ (incf words-processed)
+ (incf offset n-word-bytes))
+ (when gprs
+ (let* ((gpr1 (pop gprs))
+ (gpr2 (pop gprs))
+ (fpr (pop fprs)))
+ (if int-seen
+ (when gpr1
+ (ecase *backend-byte-order*
+ (:big-endian
+ (inst sw gpr1 nsp-tn offset)
+ (inst sw gpr2 nsp-tn (+ offset n-word-bytes)))
+ (:little-endian
+ (inst sw gpr2 nsp-tn offset)
+ (inst sw gpr1 nsp-tn (+ offset n-word-bytes)))))
+ (when fpr
+ (ecase *backend-byte-order*
+ (:big-endian
+ (inst swc1 fpr nsp-tn offset)
+ (inst swc1-odd fpr nsp-tn (+ offset n-word-bytes)))
+ (:little-endian
+ (inst swc1-odd fpr nsp-tn offset)
+ (inst swc1 fpr nsp-tn (+ offset n-word-bytes)))))))
+ (incf words-processed 2)))
+ (t
+ (bug "Unknown alien floating point type: ~S" type))))))
+ (assemble (segment)
+ (mapc #'save-arg argument-types n-argument-words)
+ ;; funcall3 (enter-alien-callback, index, args, return-area)
+ ;;
+ ;; INDEX is fixnumized, ARGS and RETURN-AREA don't need to be
+ ;; because they're word-aligned. Kinda gross, but hey ...
+ (destructuring-bind (v0 v1 a0 a1 a2 a3 t9 gp sp ra)
+ (mapcar #'make-gpr '(2 3 4 5 6 7 25 28 29 31))
+ ;; Allocate stack frame.
+ (inst subu sp n-frame-bytes)
+
+ ;; Save GP and RA.
+ (inst sw gp sp (- n-frame-bytes (* 2 n-word-bytes)))
+ (inst sw ra sp (- n-frame-bytes n-word-bytes))
+
+ ;; Setup the args and make the call.
+ (inst li a0 (get-lisp-obj-address #'enter-alien-callback))
+ (inst li t9 (foreign-symbol-address "funcall3"))
+ (inst li a1 (fixnumize index))
+ (inst addu a2 sp n-frame-bytes)
+ (inst jal t9)
+ (inst addu a3 sp n-callee-register-args-bytes)
+
+ ;; We're back! Restore GP.
+ (inst lw gp sp (- n-frame-bytes (* 2 n-word-bytes)))
+
+ ;; Load the return value.
+ (cond
+ ((alien-single-float-type-p result-type)
+ (inst lwc1 (make-fpr 0) sp n-callee-register-args-bytes))
+ ((alien-double-float-type-p result-type)
+ (inst lwc1 (make-fpr 0) sp n-callee-register-args-bytes)
+ (inst lwc1 (make-fpr 1) sp (+ n-callee-register-args-bytes
+ n-word-bytes)))
+ ((and (alien-integer-type-p result-type)
+ (> (sb!alien::alien-integer-type-bits result-type)
+ n-word-bits))
+ (inst lw v0 sp n-callee-register-args-bytes)
+ (inst lw v1 sp (+ n-callee-register-args-bytes n-word-bytes)))
+ ((or (alien-integer-type-p result-type)
+ (alien-pointer-type-p result-type)
+ (alien-type-= #.(parse-alien-type 'system-area-pointer nil)
+ result-type))
+ (inst lw v0 sp n-callee-register-args-bytes))
+ ((alien-void-type-p result-type))
+ (t
+ (error "unrecognized alien type: ~A" result-type)))
+
+ ;; Restore RA, free stack frame, and return.
+ (inst lw ra sp (- n-frame-bytes n-word-bytes))
+ (inst j ra)
+ (inst addu sp n-frame-bytes))))
+ (finalize-segment segment)
+ ;; Now that the segment is done, convert it to a static
+ ;; vector we can point foreign code to.
+ (let* ((buffer (sb!assem::segment-buffer segment))
+ (vector (make-static-vector (length buffer)
+ :element-type '(unsigned-byte 8)
+ :initial-contents buffer))
+ (sap (sb!sys:vector-sap vector)))
+ (sb!alien:alien-funcall
+ (sb!alien:extern-alien "os_flush_icache"
+ (function void
+ system-area-pointer
+ unsigned-long))
+ sap (length buffer))
+ vector))))