;;;; files for more information.
(in-package "SB!VM")
-
-(file-comment
- "$Header$")
\f
;;;; type frobbing VOPs
-(define-vop (get-lowtag)
- (:translate get-lowtag)
+(define-vop (lowtag-of)
+ (:translate lowtag-of)
(:policy :fast-safe)
(:args (object :scs (any-reg descriptor-reg control-stack)
- :target result))
+ :target result))
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 1
(move result object)
(inst and result lowtag-mask)))
-(define-vop (get-type)
- (:translate get-type)
+(define-vop (widetag-of)
+ (:translate widetag-of)
(:policy :fast-safe)
(:args (object :scs (descriptor-reg)))
(:temporary (:sc unsigned-reg :offset eax-offset :to (:result 0)) eax)
(:generator 6
(inst mov eax object)
(inst and al-tn lowtag-mask)
- (inst cmp al-tn other-pointer-type)
+ (inst cmp al-tn other-pointer-lowtag)
(inst jmp :e other-ptr)
- (inst cmp al-tn function-pointer-type)
+ (inst cmp al-tn fun-pointer-lowtag)
(inst jmp :e function-ptr)
- ;; pick off structures and list pointers
+ ;; Pick off structures and list pointers.
(inst test al-tn 1)
(inst jmp :ne done)
- ;; pick off fixnums
+ ;; Pick off fixnums.
(inst and al-tn 3)
(inst jmp :e done)
(inst jmp done)
FUNCTION-PTR
- (load-type al-tn object (- sb!vm:function-pointer-type))
+ (load-type al-tn object (- fun-pointer-lowtag))
(inst jmp done)
OTHER-PTR
- (load-type al-tn object (- sb!vm:other-pointer-type))
+ (load-type al-tn object (- other-pointer-lowtag))
DONE
(inst movzx result al-tn)))
\f
-(define-vop (function-subtype)
- (:translate function-subtype)
+(define-vop (fun-subtype)
+ (:translate fun-subtype)
(:policy :fast-safe)
(:args (function :scs (descriptor-reg)))
(:temporary (:sc byte-reg :from (:eval 0) :to (:eval 1)) temp)
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (load-type temp function (- sb!vm:function-pointer-type))
+ (load-type temp function (- fun-pointer-lowtag))
(inst movzx result temp)))
-(define-vop (set-function-subtype)
- (:translate (setf function-subtype))
+(define-vop (set-fun-subtype)
+ (:translate (setf fun-subtype))
(:policy :fast-safe)
(:args (type :scs (unsigned-reg) :target eax)
- (function :scs (descriptor-reg)))
+ (function :scs (descriptor-reg)))
(:arg-types positive-fixnum *)
(:temporary (:sc unsigned-reg :offset eax-offset :from (:argument 0)
- :to (:result 0) :target result)
- eax)
+ :to (:result 0) :target result)
+ eax)
(:results (result :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
(move eax type)
(inst mov
- (make-ea :byte :base function :disp (- function-pointer-type))
- al-tn)
+ (make-ea :byte :base function :disp (- fun-pointer-lowtag))
+ al-tn)
(move result eax)))
(define-vop (get-header-data)
(:results (res :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (loadw res x 0 other-pointer-type)
- (inst shr res type-bits)))
+ (loadw res x 0 other-pointer-lowtag)
+ (inst shr res n-widetag-bits)))
(define-vop (get-closure-length)
(:translate get-closure-length)
(:results (res :scs (unsigned-reg)))
(:result-types positive-fixnum)
(:generator 6
- (loadw res x 0 function-pointer-type)
- (inst shr res type-bits)))
+ (loadw res x 0 fun-pointer-lowtag)
+ (inst shr res n-widetag-bits)))
(define-vop (set-header-data)
(:translate set-header-data)
(:policy :fast-safe)
(:args (x :scs (descriptor-reg) :target res :to (:result 0))
- (data :scs (any-reg) :target eax))
+ (data :scs (any-reg) :target eax))
(:arg-types * positive-fixnum)
(:results (res :scs (descriptor-reg)))
(:temporary (:sc unsigned-reg :offset eax-offset
- :from (:argument 1) :to (:result 0)) eax)
+ :from (:argument 1) :to (:result 0)) eax)
(:generator 6
(move eax data)
- (inst shl eax (- type-bits 2))
- (inst mov al-tn (make-ea :byte :base x :disp (- other-pointer-type)))
- (storew eax x 0 other-pointer-type)
+ (inst shl eax (- n-widetag-bits 2))
+ (inst mov al-tn (make-ea :byte :base x :disp (- other-pointer-lowtag)))
+ (storew eax x 0 other-pointer-lowtag)
(move res x)))
\f
(define-vop (make-fixnum)
(define-vop (make-other-immediate-type)
(:args (val :scs (any-reg descriptor-reg) :target res)
- (type :scs (unsigned-reg immediate)))
+ (type :scs (unsigned-reg immediate)))
(:results (res :scs (any-reg descriptor-reg) :from (:argument 0)))
(:generator 2
(move res val)
- (inst shl res (- type-bits 2))
+ (inst shl res (- n-widetag-bits 2))
(inst or res (sc-case type
- (unsigned-reg type)
- (immediate (tn-value type))))))
+ (unsigned-reg type)
+ (immediate (tn-value type))))))
\f
;;;; allocation
(:translate binding-stack-pointer-sap)
(:policy :fast-safe)
(:generator 1
- (load-symbol-value int *binding-stack-pointer*)))
+ (load-binding-stack-pointer int)))
(defknown (setf binding-stack-pointer-sap)
(system-area-pointer) system-area-pointer ())
(:translate (setf binding-stack-pointer-sap))
(:policy :fast-safe)
(:generator 1
- (store-symbol-value new-value *binding-stack-pointer*)
+ (store-binding-stack-pointer new-value)
(move int new-value)))
(define-vop (control-stack-pointer-sap)
(:results (sap :scs (sap-reg) :from (:argument 0)))
(:result-types system-area-pointer)
(:generator 10
- (loadw sap code 0 other-pointer-type)
- (inst shr sap type-bits)
+ (loadw sap code 0 other-pointer-lowtag)
+ (inst shr sap n-widetag-bits)
(inst lea sap (make-ea :byte :base code :index sap :scale 4
- :disp (- other-pointer-type)))))
+ :disp (- other-pointer-lowtag)))))
-(define-vop (compute-function)
+(define-vop (compute-fun)
(:args (code :scs (descriptor-reg) :to (:result 0))
- (offset :scs (signed-reg unsigned-reg) :to (:result 0)))
+ (offset :scs (signed-reg unsigned-reg) :to (:result 0)))
(:arg-types * positive-fixnum)
(:results (func :scs (descriptor-reg) :from (:argument 0)))
(:generator 10
- (loadw func code 0 other-pointer-type)
- (inst shr func type-bits)
+ (loadw func code 0 other-pointer-lowtag)
+ (inst shr func n-widetag-bits)
(inst lea func
- (make-ea :byte :base offset :index func :scale 4
- :disp (- function-pointer-type other-pointer-type)))
+ (make-ea :byte :base offset :index func :scale 4
+ :disp (- fun-pointer-lowtag other-pointer-lowtag)))
(inst add func code)))
-(defknown %function-self (function) function (flushable))
-
-(define-vop (%function-self)
+(define-vop (%simple-fun-self)
(:policy :fast-safe)
- (:translate %function-self)
+ (:translate %simple-fun-self)
(:args (function :scs (descriptor-reg)))
(:results (result :scs (descriptor-reg)))
(:generator 3
- (loadw result function function-self-slot function-pointer-type)
+ (loadw result function simple-fun-self-slot fun-pointer-lowtag)
(inst lea result
- (make-ea :byte :base result
- :disp (- function-pointer-type
- (* function-code-offset word-bytes))))))
+ (make-ea :byte :base result
+ :disp (- fun-pointer-lowtag
+ (* simple-fun-code-offset n-word-bytes))))))
-;;; The closure function slot is a pointer to raw code on X86 instead of
-;;; a pointer to the code function object itself. This VOP is used
+;;; The closure function slot is a pointer to raw code on X86 instead
+;;; of a pointer to the code function object itself. This VOP is used
;;; to reference the function object given the closure object.
-(def-source-transform %closure-function (closure)
- `(%function-self ,closure))
-
-(def-source-transform %funcallable-instance-function (fin)
- `(%function-self ,fin))
+(define-source-transform %closure-fun (closure)
+ `(%simple-fun-self ,closure))
-(defknown (setf %function-self) (function function) function (unsafe))
-
-(define-vop (%set-function-self)
+(define-vop (%set-fun-self)
(:policy :fast-safe)
- (:translate (setf %function-self))
+ (:translate (setf %simple-fun-self))
(:args (new-self :scs (descriptor-reg) :target result :to :result)
- (function :scs (descriptor-reg) :to :result))
+ (function :scs (descriptor-reg) :to :result))
(:temporary (:sc any-reg :from (:argument 0) :to :result) temp)
(:results (result :scs (descriptor-reg)))
(:generator 3
(inst lea temp
- (make-ea :byte :base new-self
- :disp (- (ash function-code-offset word-shift)
- function-pointer-type)))
- (storew temp function function-self-slot function-pointer-type)
+ (make-ea :byte :base new-self
+ :disp (- (ash simple-fun-code-offset word-shift)
+ fun-pointer-lowtag)))
+ (storew temp function simple-fun-self-slot fun-pointer-lowtag)
(move result new-self)))
-
-;; We would have really liked to use a source-transform for this, but
-;; they don't work with SETF functions.
-(defknown ((setf %funcallable-instance-function)) (function function) function
- (unsafe))
-(deftransform (setf %funcallable-instance-function) ((value fin))
- '(setf (%function-self fin) value))
\f
;;;; other miscellaneous VOPs
-(defknown sb!unix::do-pending-interrupt () (values))
-(define-vop (sb!unix::do-pending-interrupt)
+(defknown sb!unix::receive-pending-interrupt () (values))
+(define-vop (sb!unix::receive-pending-interrupt)
(:policy :fast-safe)
- (:translate sb!unix::do-pending-interrupt)
+ (:translate sb!unix::receive-pending-interrupt)
(:generator 1
(inst break pending-interrupt-trap)))
+#!+sb-thread
+(defknown current-thread-offset-sap ((unsigned-byte 32))
+ system-area-pointer (flushable))
+
+#!+sb-thread
+(define-vop (current-thread-offset-sap)
+ (:results (sap :scs (sap-reg)))
+ (:result-types system-area-pointer)
+ (:translate current-thread-offset-sap)
+ (:args (n :scs (unsigned-reg) :target sap))
+ (:arg-types unsigned-num)
+ (:policy :fast-safe)
+ (:generator 2
+ (inst fs-segment-prefix)
+ (inst mov sap (make-ea :dword :disp 0 :index n :scale 4))))
+
(define-vop (halt)
(:generator 1
(inst break halt-trap)))
(:info index)
(:generator 0
(inst inc (make-ea :dword :base count-vector
- :disp (- (* (+ vector-data-offset index) word-bytes)
- other-pointer-type)))))
+ :disp (- (* (+ vector-data-offset index) n-word-bytes)
+ other-pointer-lowtag)))))
projects / sbcl.git / blobdiff