-;;; Written by Rob MacLachlan
-;;;
+;;;; the PPC definitions of VOPs used for non-local exit (throw,
+;;;; lexical exit, etc.)
+
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
+
(in-package "SB!VM")
-;;; MAKE-NLX-SP-TN -- Interface
-;;;
-;;; Make an environment-live stack TN for saving the SP for NLX entry.
-;;;
+;;; Make an environment-live stack TN for saving the SP for NLX entry.
(!def-vm-support-routine make-nlx-sp-tn (env)
(physenv-live-tn
(make-representation-tn *fixnum-primitive-type* immediate-arg-scn)
env))
-;;; Make-NLX-Entry-Arg-Start-Location -- Interface
-;;;
-;;; Make a TN for the argument count passing location for a
+;;; Make a TN for the argument count passing location for a
;;; non-local entry.
-;;;
(!def-vm-support-routine make-nlx-entry-arg-start-location ()
(make-wired-tn *fixnum-primitive-type* immediate-arg-scn ocfp-offset))
\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 and binding
-;;; stack pointer. We don't need to save/restore the current unwind-protect,
-;;; since unwind-protects are implicitly processed during unwinding. If there
-;;; were any additional stacks, then this would be the place to restore the top
+;;; These VOPs are used in the reentered function to restore the
+;;; appropriate dynamic environment. Currently we only save the
+;;; CURRENT-CATCH and binding stack pointer. We don't need to
+;;; save/restore the current unwind-protect, since UNWIND-PROTECTs are
+;;; implicitly processed during unwinding. If there were any
+;;; additional stacks, then this would be the place to restore the top
;;; pointers.
-
-;;; Make-Dynamic-State-TNs -- Interface
-;;;
-;;; 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 4 *backend-t-primitive-type*))
-
(define-vop (save-dynamic-state)
(:results (catch :scs (descriptor-reg))
(nfp :scs (descriptor-reg))
(:temporary (:scs (descriptor-reg)) temp)
(:temporary (:scs (non-descriptor-reg)) ndescr)
(:generator 22
- (inst addi block cfp-tn (* (tn-offset tn) sb!vm:n-word-bytes))
+ (inst addi block cfp-tn (* (tn-offset tn) n-word-bytes))
(load-symbol-value temp *current-unwind-protect-block*)
- (storew temp block sb!vm:unwind-block-current-uwp-slot)
- (storew cfp-tn block sb!vm:unwind-block-current-cont-slot)
- (storew code-tn block sb!vm:unwind-block-current-code-slot)
+ (storew temp block unwind-block-current-uwp-slot)
+ (storew cfp-tn block unwind-block-current-cont-slot)
+ (storew code-tn block unwind-block-current-code-slot)
(inst compute-lra-from-code temp code-tn entry-label ndescr)
- (storew temp block sb!vm:catch-block-entry-pc-slot)))
+ (storew temp block catch-block-entry-pc-slot)))
;;; Like Make-Unwind-Block, except that we also store in the specified tag, and
(:temporary (:scs (descriptor-reg) :target block :to (:result 0)) result)
(:temporary (:scs (non-descriptor-reg)) ndescr)
(:generator 44
- (inst addi result cfp-tn (* (tn-offset tn) sb!vm:n-word-bytes))
+ (inst addi result cfp-tn (* (tn-offset tn) n-word-bytes))
(load-symbol-value temp *current-unwind-protect-block*)
- (storew temp result sb!vm:catch-block-current-uwp-slot)
- (storew cfp-tn result sb!vm:catch-block-current-cont-slot)
- (storew code-tn result sb!vm:catch-block-current-code-slot)
+ (storew temp result catch-block-current-uwp-slot)
+ (storew cfp-tn result catch-block-current-cont-slot)
+ (storew code-tn result catch-block-current-code-slot)
(inst compute-lra-from-code temp code-tn entry-label ndescr)
- (storew temp result sb!vm:catch-block-entry-pc-slot)
+ (storew temp result catch-block-entry-pc-slot)
- (storew tag result sb!vm:catch-block-tag-slot)
+ (storew tag result catch-block-tag-slot)
(load-symbol-value temp *current-catch-block*)
- (storew temp result sb!vm:catch-block-previous-catch-slot)
+ (storew temp result catch-block-previous-catch-slot)
(store-symbol-value result *current-catch-block*)
(move block result)))
(:args (tn))
(:temporary (:scs (descriptor-reg)) new-uwp)
(:generator 7
- (inst addi new-uwp cfp-tn (* (tn-offset tn) sb!vm:n-word-bytes))
+ (inst addi new-uwp cfp-tn (* (tn-offset tn) n-word-bytes))
(store-symbol-value new-uwp *current-unwind-protect-block*)))
(:translate %catch-breakup)
(:generator 17
(load-symbol-value block *current-catch-block*)
- (loadw block block sb!vm:catch-block-previous-catch-slot)
+ (loadw block block catch-block-previous-catch-slot)
(store-symbol-value block *current-catch-block*)))
(define-vop (unlink-unwind-protect)
(:translate %unwind-protect-breakup)
(:generator 17
(load-symbol-value block *current-unwind-protect-block*)
- (loadw block block sb!vm:unwind-block-current-uwp-slot)
+ (loadw block block unwind-block-current-uwp-slot)
(store-symbol-value block *current-unwind-protect-block*)))
\f