;;; Make an environment-live stack TN for saving the SP for NLX entry.
(!def-vm-support-routine make-nlx-sp-tn (env)
- (environment-live-tn
+ (physenv-live-tn
(make-representation-tn *fixnum-primitive-type* any-reg-sc-number)
env))
;;; Make a TN for the argument count passing location for a non-local entry.
-(!def-vm-support-routine make-nlx-entry-argument-start-location ()
+(!def-vm-support-routine make-nlx-entry-arg-start-location ()
(make-wired-tn *fixnum-primitive-type* any-reg-sc-number ebx-offset))
(defun catch-block-ea (tn)
(aver (sc-is tn catch-block))
(make-ea :dword :base ebp-tn
- :disp (- (* (+ (tn-offset tn) catch-block-size) word-bytes))))
+ :disp (frame-byte-offset (+ -1 (tn-offset tn) catch-block-size))))
\f
;;;; Save and restore dynamic environment.
;;;;
;;;; These VOPs are used in the reentered function to restore the
;;;; appropriate dynamic environment. Currently we only save the
-;;;; Current-Catch, the eval stack pointer, and the alien stack
-;;;; pointer.
+;;;; Current-Catch and the alien stack pointer. (Before sbcl-0.7.0,
+;;;; when there were IR1 and byte interpreters, we had to save
+;;;; the interpreter "eval stack" too.)
;;;;
-;;;; We don't need to save/restore the current unwind-protect, since
-;;;; unwind-protects are implicitly processed during unwinding.
+;;;; We don't need to save/restore the current UNWIND-PROTECT, since
+;;;; UNWIND-PROTECTs are implicitly processed during unwinding.
;;;;
;;;; We don't need to save the BSP, because that is handled automatically.
-;;; Return a list of TNs that can be used to snapshot the dynamic state for
-;;; use with the Save/Restore-Dynamic-Environment VOPs.
-(!def-vm-support-routine make-dynamic-state-tns ()
- (make-n-tns 3 *backend-t-primitive-type*))
-
(define-vop (save-dynamic-state)
(:results (catch :scs (descriptor-reg))
- (eval :scs (descriptor-reg))
- (alien-stack :scs (descriptor-reg)))
+ (alien-stack :scs (descriptor-reg)))
(:generator 13
- (load-symbol-value catch sb!impl::*current-catch-block*)
- (load-symbol-value eval sb!impl::*eval-stack-top*)
- (load-symbol-value alien-stack *alien-stack*)))
+ (load-tl-symbol-value catch *current-catch-block*)
+ (load-tl-symbol-value alien-stack *alien-stack*)))
(define-vop (restore-dynamic-state)
(:args (catch :scs (descriptor-reg))
- (eval :scs (descriptor-reg))
- (alien-stack :scs (descriptor-reg)))
+ (alien-stack :scs (descriptor-reg)))
+ #!+sb-thread (:temporary (:sc unsigned-reg) temp)
(:generator 10
- (store-symbol-value catch sb!impl::*current-catch-block*)
- (store-symbol-value eval sb!impl::*eval-stack-top*)
- (store-symbol-value alien-stack *alien-stack*)))
+ (store-tl-symbol-value catch *current-catch-block* temp)
+ (store-tl-symbol-value alien-stack *alien-stack* temp)))
(define-vop (current-stack-pointer)
(:results (res :scs (any-reg control-stack)))
(define-vop (current-binding-pointer)
(:results (res :scs (any-reg descriptor-reg)))
(:generator 1
- (load-symbol-value res *binding-stack-pointer*)))
+ (load-binding-stack-pointer res)))
\f
;;;; unwind block hackery
(:results (block :scs (any-reg)))
(:generator 22
(inst lea block (catch-block-ea tn))
- (load-symbol-value temp sb!impl::*current-unwind-protect-block*)
+ (load-tl-symbol-value temp *current-unwind-protect-block*)
(storew temp block unwind-block-current-uwp-slot)
(storew ebp-tn block unwind-block-current-cont-slot)
(storew (make-fixup nil :code-object entry-label)
- block catch-block-entry-pc-slot)))
+ block catch-block-entry-pc-slot)
+ #!+win32
+ (progn
+ (inst fs-segment-prefix)
+ (inst mov temp (make-ea :dword :disp 0))
+ (storew temp block unwind-block-next-seh-frame-slot))))
-;;; Like Make-Unwind-Block, except that we also store in the specified tag, and
-;;; link the block into the Current-Catch list.
+;;; like MAKE-UNWIND-BLOCK, except that we also store in the specified
+;;; tag, and link the block into the CURRENT-CATCH list
(define-vop (make-catch-block)
(:args (tn)
- (tag :scs (descriptor-reg) :to (:result 1)))
+ (tag :scs (any-reg descriptor-reg) :to (:result 1)))
(:info entry-label)
(:results (block :scs (any-reg)))
(:temporary (:sc descriptor-reg) temp)
(:generator 44
(inst lea block (catch-block-ea tn))
- (load-symbol-value temp sb!impl::*current-unwind-protect-block*)
+ (load-tl-symbol-value temp *current-unwind-protect-block*)
(storew temp block unwind-block-current-uwp-slot)
(storew ebp-tn block unwind-block-current-cont-slot)
(storew (make-fixup nil :code-object entry-label)
- block catch-block-entry-pc-slot)
+ block catch-block-entry-pc-slot)
+ #!+win32
+ (progn
+ (inst fs-segment-prefix)
+ (inst mov temp (make-ea :dword :disp 0))
+ (storew temp block unwind-block-next-seh-frame-slot))
(storew tag block catch-block-tag-slot)
- (load-symbol-value temp sb!impl::*current-catch-block*)
+ (load-tl-symbol-value temp *current-catch-block*)
(storew temp block catch-block-previous-catch-slot)
- (store-symbol-value block sb!impl::*current-catch-block*)))
+ (store-tl-symbol-value block *current-catch-block* temp)))
;;; Just set the current unwind-protect to TN's address. This instantiates an
;;; unwind block as an unwind-protect.
(define-vop (set-unwind-protect)
(:args (tn))
- (:temporary (:sc unsigned-reg) new-uwp)
+ (:temporary (:sc unsigned-reg) new-uwp #!+sb-thread tls #!+win32 seh-frame)
(:generator 7
(inst lea new-uwp (catch-block-ea tn))
- (store-symbol-value new-uwp sb!impl::*current-unwind-protect-block*)))
+ #!+win32
+ (progn
+ (storew (make-fixup 'uwp-seh-handler :assembly-routine)
+ new-uwp unwind-block-seh-frame-handler-slot)
+ (inst lea seh-frame
+ (make-ea-for-object-slot new-uwp
+ unwind-block-next-seh-frame-slot 0))
+ (inst fs-segment-prefix)
+ (inst mov (make-ea :dword :disp 0) seh-frame))
+ (store-tl-symbol-value new-uwp *current-unwind-protect-block* tls)))
(define-vop (unlink-catch-block)
- (:temporary (:sc unsigned-reg) block)
+ (:temporary (:sc unsigned-reg) #!+sb-thread tls block)
(:policy :fast-safe)
(:translate %catch-breakup)
(:generator 17
- (load-symbol-value block sb!impl::*current-catch-block*)
+ (load-tl-symbol-value block *current-catch-block*)
(loadw block block catch-block-previous-catch-slot)
- (store-symbol-value block sb!impl::*current-catch-block*)))
+ (store-tl-symbol-value block *current-catch-block* tls)))
(define-vop (unlink-unwind-protect)
- (:temporary (:sc unsigned-reg) block)
+ ;; NOTE: When we have both #!+sb-thread and #!+win32, we only need one temp
+ (:temporary (:sc unsigned-reg) block #!+sb-thread tls #!+win32 seh-frame)
(:policy :fast-safe)
(:translate %unwind-protect-breakup)
(:generator 17
- (load-symbol-value block sb!impl::*current-unwind-protect-block*)
+ (load-tl-symbol-value block *current-unwind-protect-block*)
+ #!+win32
+ (progn
+ (loadw seh-frame block unwind-block-next-seh-frame-slot)
+ (inst fs-segment-prefix)
+ (inst mov (make-ea :dword :disp 0) seh-frame))
(loadw block block unwind-block-current-uwp-slot)
- (store-symbol-value block sb!impl::*current-unwind-protect-block*)))
+ (store-tl-symbol-value block *current-unwind-protect-block* tls)))
\f
;;;; NLX entry VOPs
(define-vop (nlx-entry)
;; Note: we can't list an sc-restriction, 'cause any load vops would
;; be inserted before the return-pc label.
(:args (sp)
- (start)
- (count))
+ (start)
+ (count))
(:results (values :more t))
(:temporary (:sc descriptor-reg) move-temp)
(:info label nvals)
(emit-label label)
(note-this-location vop :non-local-entry)
(cond ((zerop nvals))
- ((= nvals 1)
- (let ((no-values (gen-label)))
- (inst mov (tn-ref-tn values) nil-value)
- (inst jecxz no-values)
- (loadw (tn-ref-tn values) start -1)
- (emit-label no-values)))
- (t
- (collect ((defaults))
- (do ((i 0 (1+ i))
- (tn-ref values (tn-ref-across tn-ref)))
- ((null tn-ref))
- (let ((default-lab (gen-label))
- (tn (tn-ref-tn tn-ref)))
- (defaults (cons default-lab tn))
-
- (inst cmp count (fixnumize i))
- (inst jmp :le default-lab)
- (sc-case tn
- ((descriptor-reg any-reg)
- (loadw tn start (- (1+ i))))
- ((control-stack)
- (loadw move-temp start (- (1+ i)))
- (inst mov tn move-temp)))))
- (let ((defaulting-done (gen-label)))
- (emit-label defaulting-done)
- (assemble (*elsewhere*)
- (dolist (def (defaults))
- (emit-label (car def))
- (inst mov (cdr def) nil-value))
- (inst jmp defaulting-done))))))
+ ((= nvals 1)
+ (let ((no-values (gen-label)))
+ (inst mov (tn-ref-tn values) nil-value)
+ (inst jecxz no-values)
+ (loadw (tn-ref-tn values) start -1)
+ (emit-label no-values)))
+ (t
+ (collect ((defaults))
+ (do ((i 0 (1+ i))
+ (tn-ref values (tn-ref-across tn-ref)))
+ ((null tn-ref))
+ (let ((default-lab (gen-label))
+ (tn (tn-ref-tn tn-ref)))
+ (defaults (cons default-lab tn))
+
+ (inst cmp count (fixnumize i))
+ (inst jmp :le default-lab)
+ (sc-case tn
+ ((descriptor-reg any-reg)
+ (loadw tn start (frame-word-offset i)))
+ ((control-stack)
+ (loadw move-temp start (frame-word-offset i))
+ (inst mov tn move-temp)))))
+ (let ((defaulting-done (gen-label)))
+ (emit-label defaulting-done)
+ (assemble (*elsewhere*)
+ (dolist (def (defaults))
+ (emit-label (car def))
+ (inst mov (cdr def) nil-value))
+ (inst jmp defaulting-done))))))
(inst mov esp-tn sp)))
(define-vop (nlx-entry-multiple)
(:args (top)
- (source)
- (count :target ecx))
+ (source)
+ (count :target ecx))
;; Again, no SC restrictions for the args, 'cause the loading would
;; happen before the entry label.
(:info label)
(:temporary (:sc unsigned-reg :offset esi-offset) esi)
(:temporary (:sc unsigned-reg :offset edi-offset) edi)
(:results (result :scs (any-reg) :from (:argument 0))
- (num :scs (any-reg control-stack)))
+ (num :scs (any-reg control-stack)))
(:save-p :force-to-stack)
(:vop-var vop)
(:generator 30
(emit-label label)
(note-this-location vop :non-local-entry)
- (inst lea esi (make-ea :dword :base source :disp (- word-bytes)))
+ (inst lea esi (make-ea :dword :base source :disp (- n-word-bytes)))
;; The 'top' arg contains the %esp value saved at the time the
;; catch block was created and points to where the thrown values
;; should sit.
(move edi top)
(move result edi)
- (inst sub edi word-bytes)
- (move ecx count) ; fixnum words == bytes
+ (inst sub edi n-word-bytes)
+ (move ecx count) ; fixnum words == bytes
(move num ecx)
- (inst shr ecx word-shift) ; word count for <rep movs>
+ (inst shr ecx word-shift) ; word count for <rep movs>
;; If we got zero, we be done.
(inst jecxz done)
;; Copy them down.
(inst std)
(inst rep)
(inst movs :dword)
-
+ (inst cld)
DONE
;; Reset the CSP at last moved arg.
- (inst lea esp-tn (make-ea :dword :base edi :disp word-bytes))))
+ (inst lea esp-tn (make-ea :dword :base edi :disp n-word-bytes))))
;;; This VOP is just to force the TNs used in the cleanup onto the stack.
(:generator 0
(emit-label label)
(note-this-location vop :non-local-entry)))
+
+(define-vop (unwind-to-frame-and-call)
+ (:args (ofp :scs (descriptor-reg))
+ (uwp :scs (descriptor-reg))
+ (function :scs (descriptor-reg)))
+ (:arg-types system-area-pointer system-area-pointer t)
+ (:temporary (:sc sap-reg) temp)
+ (:temporary (:sc unsigned-reg :offset eax-offset) block)
+ (:generator 22
+ ;; Store the function into a non-stack location, since we'll be
+ ;; unwinding the stack and destroying register contents before we
+ ;; use it.
+ (store-tl-symbol-value function
+ *unwind-to-frame-function*
+ temp)
+
+ ;; Allocate space for magic UWP block.
+ (inst sub esp-tn unwind-block-size)
+ ;; Set up magic catch / UWP block.
+ (move block esp-tn)
+ (loadw temp uwp sap-pointer-slot other-pointer-lowtag)
+ (storew temp block unwind-block-current-uwp-slot)
+ (loadw temp ofp sap-pointer-slot other-pointer-lowtag)
+ (storew temp block unwind-block-current-cont-slot)
+
+ (storew (make-fixup nil :code-object entry-label)
+ block
+ catch-block-entry-pc-slot)
+
+ ;; Run any required UWPs.
+ (inst jmp (make-fixup 'unwind :assembly-routine))
+ ENTRY-LABEL
+
+ ;; Load function from symbol
+ (load-tl-symbol-value block *unwind-to-frame-function*)
+
+ ;; No parameters
+ (inst xor ecx-tn ecx-tn)
+
+ ;; Clear the stack
+ (inst lea esp-tn
+ (make-ea :dword :base ebp-tn :disp (* -3 n-word-bytes)))
+
+ ;; Push the return-pc so it looks like we just called.
+ (pushw ebp-tn -2)
+
+ ;; Call it
+ (inst jmp (make-ea :dword :base block
+ :disp (- (* closure-fun-slot n-word-bytes)
+ fun-pointer-lowtag)))))
projects / sbcl.git / blobdiff