0.pre7.68:
[sbcl.git] / src / code / debug-int.lisp
index 3996f93..c2b2757 100644 (file)
                     (invalid-value-debug-var condition)
                     (invalid-value-frame condition)))))
 
-(define-condition ambiguous-variable-name (debug-condition)
-  ((name :reader ambiguous-variable-name-name :initarg :name)
-   (frame :reader ambiguous-variable-name-frame :initarg :frame))
+(define-condition ambiguous-var-name (debug-condition)
+  ((name :reader ambiguous-var-name-name :initarg :name)
+   (frame :reader ambiguous-var-name-frame :initarg :frame))
   (:report (lambda (condition stream)
             (format stream "~&~S names more than one valid variable in ~S."
-                    (ambiguous-variable-name-name condition)
-                    (ambiguous-variable-name-frame condition)))))
+                    (ambiguous-var-name-name condition)
+                    (ambiguous-var-name-frame condition)))))
 \f
 ;;;; errors and DEBUG-SIGNAL
 
   (symbol (required-argument) :type symbol)
   ;; a unique integer identification relative to other variables with the same
   ;; symbol
-  (id 0 :type sb!c::index)
+  (id 0 :type index)
   ;; Does the variable always have a valid value?
   (alive-p nil :type boolean))
 (def!method print-object ((debug-var debug-var) stream)
                          (symbol id alive-p sc-offset save-sc-offset))
            (:copier nil))
   ;; storage class and offset (unexported)
-  (sc-offset nil :type sb!c::sc-offset)
+  (sc-offset nil :type sb!c:sc-offset)
   ;; storage class and offset when saved somewhere
-  (save-sc-offset nil :type (or sb!c::sc-offset null)))
+  (save-sc-offset nil :type (or sb!c:sc-offset null)))
 
 ;;;; frames
 
   (elsewhere-p nil :type boolean))
 (def!method print-object ((obj debug-block) str)
   (print-unreadable-object (obj str :type t)
-    (prin1 (debug-block-function-name obj) str)))
+    (prin1 (debug-block-fun-name obj) str)))
 
 #!+sb-doc
 (setf (fdocumentation 'debug-block-successors 'function)
   ;; This is the component in which the breakpoint lies.
   component
   ;; This is the byte offset into the component.
-  (offset nil :type sb!c::index)
+  (offset nil :type index)
   ;; The original instruction replaced by the breakpoint.
   (instruction nil :type (or null (unsigned-byte 32)))
   ;; A list of user breakpoints at this location.
   (%debug-block :unparsed :type (or debug-block (member :unparsed)))
   ;; This is the number of forms processed by the compiler or loader
   ;; before the top-level form containing this code-location.
-  (%tlf-offset :unparsed :type (or sb!c::index (member :unparsed)))
+  (%tlf-offset :unparsed :type (or index (member :unparsed)))
   ;; This is the depth-first number of the node that begins
   ;; code-location within its top-level form.
-  (%form-number :unparsed :type (or sb!c::index (member :unparsed))))
+  (%form-number :unparsed :type (or index (member :unparsed))))
 (def!method print-object ((obj code-location) str)
   (print-unreadable-object (obj str :type t)
     (prin1 (debug-fun-name (code-location-debug-fun obj))
            (:constructor make-compiled-code-location (pc debug-fun))
            (:copier nil))
   ;; an index into DEBUG-FUN's component slot
-  (pc nil :type sb!c::index)
+  (pc nil :type index)
   ;; a bit-vector indexed by a variable's position in
   ;; DEBUG-FUN-DEBUG-VARS indicating whether the variable has a
   ;; valid value at this code-location. (unexported).
   (let ((component-ptr (component-ptr-from-pc pc)))
     (unless (sap= component-ptr (int-sap #x0))
        (let* ((code (component-from-component-ptr component-ptr))
-             (code-header-len (* (get-header-data code) sb!vm:word-bytes))
+             (code-header-len (* (get-header-data code) sb!vm:n-word-bytes))
              (pc-offset (- (sap-int pc)
                            (- (get-lisp-obj-address code)
                               sb!vm:other-pointer-lowtag)
     nil)
    (t
     ;; Check the two possible frame pointers.
-    (let ((lisp-ocfp (sap-ref-sap fp (- (* (1+ sb!vm::ocfp-save-offset) 4))))
-         (lisp-ra (sap-ref-sap fp (- (* (1+ sb!vm::return-pc-save-offset)
+    (let ((lisp-ocfp (sap-ref-sap fp (- (* (1+ ocfp-save-offset) 4))))
+         (lisp-ra (sap-ref-sap fp (- (* (1+ return-pc-save-offset)
                                         4))))
-         (c-ocfp (sap-ref-sap fp (* 0 sb!vm:word-bytes)))
-         (c-ra (sap-ref-sap fp (* 1 sb!vm:word-bytes))))
+         (c-ocfp (sap-ref-sap fp (* 0 sb!vm:n-word-bytes)))
+         (c-ra (sap-ref-sap fp (* 1 sb!vm:n-word-bytes))))
       (cond ((and (sap> lisp-ocfp fp) (cstack-pointer-valid-p lisp-ocfp)
                  (ra-pointer-valid-p lisp-ra)
                  (sap> c-ocfp fp) (cstack-pointer-valid-p c-ocfp)
                     (compute-calling-frame
                      (descriptor-sap
                       (get-context-value
-                       frame sb!vm::ocfp-save-offset
+                       frame ocfp-save-offset
                        (sb!c::compiled-debug-fun-old-fp c-d-f)))
                      (get-context-value
-                      frame sb!vm::lra-save-offset
+                      frame lra-save-offset
                       (sb!c::compiled-debug-fun-return-pc c-d-f))
                      frame)))
                  (bogus-debug-fun
                        #!-x86
                       (compute-calling-frame
                        #!-alpha
-                       (sap-ref-sap fp (* sb!vm::ocfp-save-offset
-                                          sb!vm:word-bytes))
+                       (sap-ref-sap fp (* ocfp-save-offset
+                                          sb!vm:n-word-bytes))
                        #!+alpha
                        (int-sap
-                        (sap-ref-32 fp (* sb!vm::ocfp-save-offset
-                                          sb!vm:word-bytes)))
+                        (sap-ref-32 fp (* ocfp-save-offset
+                                          sb!vm:n-word-bytes)))
 
-                       (stack-ref fp sb!vm::lra-save-offset)
+                       (stack-ref fp lra-save-offset)
 
                        frame)))))))
        down)))
 #!-x86
 (defun get-context-value (frame stack-slot loc)
   (declare (type compiled-frame frame) (type unsigned-byte stack-slot)
-          (type sb!c::sc-offset loc))
+          (type sb!c:sc-offset loc))
   (let ((pointer (frame-pointer frame))
        (escaped (compiled-frame-escaped frame)))
     (if escaped
 #!+x86
 (defun get-context-value (frame stack-slot loc)
   (declare (type compiled-frame frame) (type unsigned-byte stack-slot)
-          (type sb!c::sc-offset loc))
+          (type sb!c:sc-offset loc))
   (let ((pointer (frame-pointer frame))
        (escaped (compiled-frame-escaped frame)))
     (if escaped
        (sub-access-debug-var-slot pointer loc escaped)
        (ecase stack-slot
-         (#.sb!vm::ocfp-save-offset
+         (#.ocfp-save-offset
           (stack-ref pointer stack-slot))
-         (#.sb!vm::lra-save-offset
+         (#.lra-save-offset
           (sap-ref-sap pointer (- (* (1+ stack-slot) 4))))))))
 
 #!-x86
 (defun (setf get-context-value) (value frame stack-slot loc)
   (declare (type compiled-frame frame) (type unsigned-byte stack-slot)
-          (type sb!c::sc-offset loc))
+          (type sb!c:sc-offset loc))
   (let ((pointer (frame-pointer frame))
        (escaped (compiled-frame-escaped frame)))
     (if escaped
 #!+x86
 (defun (setf get-context-value) (value frame stack-slot loc)
   (declare (type compiled-frame frame) (type unsigned-byte stack-slot)
-          (type sb!c::sc-offset loc))
+          (type sb!c:sc-offset loc))
   (let ((pointer (frame-pointer frame))
        (escaped (compiled-frame-escaped frame)))
     (if escaped
        (sub-set-debug-var-slot pointer loc value escaped)
        (ecase stack-slot
-         (#.sb!vm::ocfp-save-offset
+         (#.ocfp-save-offset
           (setf (stack-ref pointer stack-slot) value))
-         (#.sb!vm::lra-save-offset
+         (#.lra-save-offset
           (setf (sap-ref-sap pointer (- (* (1+ stack-slot) 4))) value))))))
 
 ;;; This returns a frame for the one existing in time immediately
                (if (fixnump lra)
                    (let ((fp (frame-pointer up-frame)))
                      (values lra
-                             (stack-ref fp (1+ sb!vm::lra-save-offset))))
+                             (stack-ref fp (1+ lra-save-offset))))
                    (values (get-header-data lra)
                            (lra-code-header lra)))
              (if code
                  (values code
                          (* (1+ (- word-offset (get-header-data code)))
-                            sb!vm:word-bytes)
+                            sb!vm:n-word-bytes)
                          nil)
                  (values :foreign-function
                          0
             (when (null code)
               (return (values code 0 context)))
             (let* ((code-header-len (* (get-header-data code)
-                                       sb!vm:word-bytes))
+                                       sb!vm:n-word-bytes))
                    (pc-offset
                     (- (sap-int (sb!vm:context-pc context))
                        (- (get-lisp-obj-address code)
               (/show "got PC-OFFSET")
               (unless (<= 0 pc-offset
                           (* (code-header-ref code sb!vm:code-code-size-slot)
-                             sb!vm:word-bytes))
+                             sb!vm:n-word-bytes))
                 ;; We were in an assembly routine. Therefore, use the
                 ;; LRA as the pc.
                 ;;
             (when (symbolp code)
               (return (values code 0 scp)))
             (let* ((code-header-len (* (get-header-data code)
-                                       sb!vm:word-bytes))
+                                       sb!vm:n-word-bytes))
                    (pc-offset
                     (- (sap-int (sb!vm:context-pc scp))
                        (- (get-lisp-obj-address code)
               ;; delay slot.
               #!+(or pmax sgi) ; pmax only (and broken anyway)
               (when (logbitp 31 (sb!alien:slot scp '%mips::sc-cause))
-                (incf pc-offset sb!vm:word-bytes))
+                (incf pc-offset sb!vm:n-word-bytes))
               (unless (<= 0 pc-offset
                           (* (code-header-ref code sb!vm:code-code-size-slot)
-                             sb!vm:word-bytes))
+                             sb!vm:n-word-bytes))
                 ;; We were in an assembly routine. Therefore, use the
                 ;; LRA as the pc.
                 (setf pc-offset
                  #!-alpha
                  (sap-ref-sap catch
                                      (* sb!vm:catch-block-current-cont-slot
-                                        sb!vm:word-bytes))
+                                        sb!vm:n-word-bytes))
                  #!+alpha
                  (:int-sap
                   (sap-ref-32 catch
                                      (* sb!vm:catch-block-current-cont-slot
-                                        sb!vm:word-bytes))))
+                                        sb!vm:n-word-bytes))))
        (let* (#!-x86
               (lra (stack-ref catch sb!vm:catch-block-entry-pc-slot))
               #!+x86
               (ra (sap-ref-sap
                    catch (* sb!vm:catch-block-entry-pc-slot
-                            sb!vm:word-bytes)))
+                            sb!vm:n-word-bytes)))
               #!-x86
               (component
                (stack-ref catch sb!vm:catch-block-current-code-slot))
                #!-x86
                (* (- (1+ (get-header-data lra))
                      (get-header-data component))
-                  sb!vm:word-bytes)
+                  sb!vm:n-word-bytes)
                #!+x86
                (- (sap-int ra)
                   (- (get-lisp-obj-address component)
                      sb!vm:other-pointer-lowtag)
-                  (* (get-header-data component) sb!vm:word-bytes))))
+                  (* (get-header-data component) sb!vm:n-word-bytes))))
          (push (cons #!-x86
                      (stack-ref catch sb!vm:catch-block-tag-slot)
                      #!+x86
                      (make-lisp-obj
                       (sap-ref-32 catch (* sb!vm:catch-block-tag-slot
-                                                  sb!vm:word-bytes)))
+                                                  sb!vm:n-word-bytes)))
                      (make-compiled-code-location
                       offset (frame-debug-fun frame)))
                res)))
            #!-alpha
            (sap-ref-sap catch
                                (* sb!vm:catch-block-previous-catch-slot
-                                  sb!vm:word-bytes))
+                                  sb!vm:n-word-bytes))
            #!+alpha
            (:int-sap
             (sap-ref-32 catch
                                (* sb!vm:catch-block-previous-catch-slot
-                                  sb!vm:word-bytes)))))))
+                                  sb!vm:n-word-bytes)))))))
 \f
 ;;;; operations on DEBUG-FUNs
 
            (debug-fun-from-pc component
                               (* (- (fun-word-offset fun)
                                     (get-header-data component))
-                                 sb!vm:word-bytes)))))))
+                                 sb!vm:n-word-bytes)))))))
 
 ;;; Return the kind of the function, which is one of :OPTIONAL,
 ;;; :EXTERNAL, TOP-level, :CLEANUP, or NIL.
           (debug-signal 'no-debug-blocks
                         :debug-fun debug-fun)))))
 
-;;; This returns a SIMPLE-VECTOR of DEBUG-BLOCKs or NIL. NIL indicates
-;;; there was no basic block information.
+;;; Return a SIMPLE-VECTOR of DEBUG-BLOCKs or NIL. NIL indicates there
+;;; was no basic block information.
 (defun parse-debug-blocks (debug-fun)
   (etypecase debug-fun
     (compiled-debug-fun
 
 ;;; This does some of the work of PARSE-DEBUG-BLOCKS.
 (defun parse-compiled-debug-blocks (debug-fun)
-  (let* ((debug-fun (compiled-debug-fun-compiler-debug-fun
-                    debug-fun))
-        (var-count (length (debug-fun-debug-vars debug-fun)))
-        (blocks (sb!c::compiled-debug-fun-blocks debug-fun))
+  (let* ((var-count (length (debug-fun-debug-vars debug-fun)))
+        (compiler-debug-fun (compiled-debug-fun-compiler-debug-fun
+                             debug-fun))
+        (blocks (sb!c::compiled-debug-fun-blocks compiler-debug-fun))
         ;; KLUDGE: 8 is a hard-wired constant in the compiler for the
         ;; element size of the packed binary representation of the
         ;; blocks data.
         (live-set-len (ceiling var-count 8))
-        (tlf-number (sb!c::compiled-debug-fun-tlf-number debug-fun)))
-    (unless blocks (return-from parse-compiled-debug-blocks nil))
+        (tlf-number (sb!c::compiled-debug-fun-tlf-number compiler-debug-fun)))
+    (unless blocks
+      (return-from parse-compiled-debug-blocks nil))
     (macrolet ((aref+ (a i) `(prog1 (aref ,a ,i) (incf ,i))))
       (with-parsing-buffer (blocks-buffer locations-buffer)
        (let ((i 0)
                                  0)))
                       (svref blocks (1- end)))
                      (t last))))
-               (declare (type sb!c::index i end))
+               (declare (type index i end))
                (when (< pc
                         (compiled-code-location-pc
                          (svref (compiled-debug-block-code-locations
 
 ;;; Return the name of the function represented by DEBUG-FUN.
 ;;; This may be a string or a cons; do not assume it is a symbol.
-(defun debug-block-function-name (debug-block)
+(defun debug-block-fun-name (debug-block)
   (etypecase debug-block
     (compiled-debug-block
      (let ((code-locs (compiled-debug-block-code-locations debug-block)))
            ;; routine in the C runtime support code
            (or (< sb!vm:read-only-space-start val
                   (* sb!vm:*read-only-space-free-pointer*
-                     sb!vm:word-bytes))
+                     sb!vm:n-word-bytes))
                (< sb!vm:static-space-start val
                   (* sb!vm:*static-space-free-pointer*
-                     sb!vm:word-bytes))
+                     sb!vm:n-word-bytes))
                (< sb!vm:dynamic-space-start val
                   (sap-int (dynamic-space-free-pointer))))))
       (make-lisp-obj val)
                                  (sb!vm:context-register escaped
                                                          sb!vm::nfp-offset))
                                 #!-alpha
-                                (sb!sys:sap-ref-sap fp (* sb!vm::nfp-save-offset
-                                                          sb!vm:word-bytes))
+                                (sb!sys:sap-ref-sap fp (* nfp-save-offset
+                                                          sb!vm:n-word-bytes))
                                 #!+alpha
                                 (sb!vm::make-number-stack-pointer
-                                 (sb!sys:sap-ref-32 fp (* sb!vm::nfp-save-offset
-                                                          sb!vm:word-bytes))))))
+                                 (sb!sys:sap-ref-32 fp (* nfp-save-offset
+                                                          sb!vm:n-word-bytes))))))
                   ,@body)))
     (ecase (sb!c:sc-offset-scn sc-offset)
       ((#.sb!vm:any-reg-sc-number
          (sb!sys:int-sap val)))
       (#.sb!vm:signed-reg-sc-number
        (with-escaped-value (val)
-         (if (logbitp (1- sb!vm:word-bits) val)
-             (logior val (ash -1 sb!vm:word-bits))
+         (if (logbitp (1- sb!vm:n-word-bits) val)
+             (logior val (ash -1 sb!vm:n-word-bits))
              val)))
       (#.sb!vm:unsigned-reg-sc-number
        (with-escaped-value (val)
       (#.sb!vm:single-stack-sc-number
        (with-nfp (nfp)
          (sb!sys:sap-ref-single nfp (* (sb!c:sc-offset-offset sc-offset)
-                                       sb!vm:word-bytes))))
+                                       sb!vm:n-word-bytes))))
       (#.sb!vm:double-stack-sc-number
        (with-nfp (nfp)
          (sb!sys:sap-ref-double nfp (* (sb!c:sc-offset-offset sc-offset)
-                                       sb!vm:word-bytes))))
+                                       sb!vm:n-word-bytes))))
       #!+long-float
       (#.sb!vm:long-stack-sc-number
        (with-nfp (nfp)
          (sb!sys:sap-ref-long nfp (* (sb!c:sc-offset-offset sc-offset)
-                                     sb!vm:word-bytes))))
+                                     sb!vm:n-word-bytes))))
       (#.sb!vm:complex-single-stack-sc-number
        (with-nfp (nfp)
          (complex
           (sb!sys:sap-ref-single nfp (* (sb!c:sc-offset-offset sc-offset)
-                                        sb!vm:word-bytes))
+                                        sb!vm:n-word-bytes))
           (sb!sys:sap-ref-single nfp (* (1+ (sb!c:sc-offset-offset sc-offset))
-                                        sb!vm:word-bytes)))))
+                                        sb!vm:n-word-bytes)))))
       (#.sb!vm:complex-double-stack-sc-number
        (with-nfp (nfp)
          (complex
           (sb!sys:sap-ref-double nfp (* (sb!c:sc-offset-offset sc-offset)
-                                        sb!vm:word-bytes))
+                                        sb!vm:n-word-bytes))
           (sb!sys:sap-ref-double nfp (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                                        sb!vm:word-bytes)))))
+                                        sb!vm:n-word-bytes)))))
       #!+long-float
       (#.sb!vm:complex-long-stack-sc-number
        (with-nfp (nfp)
          (complex
           (sb!sys:sap-ref-long nfp (* (sb!c:sc-offset-offset sc-offset)
-                                      sb!vm:word-bytes))
+                                      sb!vm:n-word-bytes))
           (sb!sys:sap-ref-long nfp (* (+ (sb!c:sc-offset-offset sc-offset)
                                          #!+sparc 4)
-                                      sb!vm:word-bytes)))))
+                                      sb!vm:n-word-bytes)))))
       (#.sb!vm:control-stack-sc-number
        (sb!kernel:stack-ref fp (sb!c:sc-offset-offset sc-offset)))
       (#.sb!vm:base-char-stack-sc-number
        (with-nfp (nfp)
          (code-char (sb!sys:sap-ref-32 nfp (* (sb!c:sc-offset-offset sc-offset)
-                                              sb!vm:word-bytes)))))
+                                              sb!vm:n-word-bytes)))))
       (#.sb!vm:unsigned-stack-sc-number
        (with-nfp (nfp)
          (sb!sys:sap-ref-32 nfp (* (sb!c:sc-offset-offset sc-offset)
-                                   sb!vm:word-bytes))))
+                                   sb!vm:n-word-bytes))))
       (#.sb!vm:signed-stack-sc-number
        (with-nfp (nfp)
          (sb!sys:signed-sap-ref-32 nfp (* (sb!c:sc-offset-offset sc-offset)
-                                          sb!vm:word-bytes))))
+                                          sb!vm:n-word-bytes))))
       (#.sb!vm:sap-stack-sc-number
        (with-nfp (nfp)
          (sb!sys:sap-ref-sap nfp (* (sb!c:sc-offset-offset sc-offset)
-                                    sb!vm:word-bytes)))))))
+                                    sb!vm:n-word-bytes)))))))
 
 #!+x86
 (defun sub-access-debug-var-slot (fp sc-offset &optional escaped)
       (#.sb!vm:signed-reg-sc-number
        (/show0 "case of SIGNED-REG-SC-NUMBER")
        (with-escaped-value (val)
-        (if (logbitp (1- sb!vm:word-bits) val)
-            (logior val (ash -1 sb!vm:word-bits))
+        (if (logbitp (1- sb!vm:n-word-bits) val)
+            (logior val (ash -1 sb!vm:n-word-bits))
             val)))
       (#.sb!vm:unsigned-reg-sc-number
        (/show0 "case of UNSIGNED-REG-SC-NUMBER")
       (#.sb!vm:single-stack-sc-number
        (/show0 "case of SINGLE-STACK-SC-NUMBER")
        (sap-ref-single fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                               sb!vm:word-bytes))))
+                               sb!vm:n-word-bytes))))
       (#.sb!vm:double-stack-sc-number
        (/show0 "case of DOUBLE-STACK-SC-NUMBER")
        (sap-ref-double fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                               sb!vm:word-bytes))))
+                               sb!vm:n-word-bytes))))
       #!+long-float
       (#.sb!vm:long-stack-sc-number
        (/show0 "case of LONG-STACK-SC-NUMBER")
        (sap-ref-long fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 3)
-                             sb!vm:word-bytes))))
+                             sb!vm:n-word-bytes))))
       (#.sb!vm:complex-single-stack-sc-number
        (/show0 "case of COMPLEX-STACK-SC-NUMBER")
        (complex
        (sap-ref-single fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                                sb!vm:word-bytes)))
+                                sb!vm:n-word-bytes)))
        (sap-ref-single fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                                sb!vm:word-bytes)))))
+                                sb!vm:n-word-bytes)))))
       (#.sb!vm:complex-double-stack-sc-number
        (/show0 "case of COMPLEX-DOUBLE-STACK-SC-NUMBER")
        (complex
        (sap-ref-double fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                                sb!vm:word-bytes)))
+                                sb!vm:n-word-bytes)))
        (sap-ref-double fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 4)
-                                sb!vm:word-bytes)))))
+                                sb!vm:n-word-bytes)))))
       #!+long-float
       (#.sb!vm:complex-long-stack-sc-number
        (/show0 "case of COMPLEX-LONG-STACK-SC-NUMBER")
        (complex
        (sap-ref-long fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 3)
-                              sb!vm:word-bytes)))
+                              sb!vm:n-word-bytes)))
        (sap-ref-long fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 6)
-                              sb!vm:word-bytes)))))
+                              sb!vm:n-word-bytes)))))
       (#.sb!vm:control-stack-sc-number
        (/show0 "case of CONTROL-STACK-SC-NUMBER")
        (stack-ref fp (sb!c:sc-offset-offset sc-offset)))
        (/show0 "case of BASE-CHAR-STACK-SC-NUMBER")
        (code-char
        (sap-ref-32 fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                            sb!vm:word-bytes)))))
+                            sb!vm:n-word-bytes)))))
       (#.sb!vm:unsigned-stack-sc-number
        (/show0 "case of UNSIGNED-STACK-SC-NUMBER")
        (sap-ref-32 fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                           sb!vm:word-bytes))))
+                           sb!vm:n-word-bytes))))
       (#.sb!vm:signed-stack-sc-number
        (/show0 "case of SIGNED-STACK-SC-NUMBER")
        (signed-sap-ref-32 fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                                  sb!vm:word-bytes))))
+                                  sb!vm:n-word-bytes))))
       (#.sb!vm:sap-stack-sc-number
        (/show0 "case of SAP-STACK-SC-NUMBER")
        (sap-ref-sap fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                            sb!vm:word-bytes)))))))
+                            sb!vm:n-word-bytes)))))))
 
 ;;; This stores value as the value of DEBUG-VAR in FRAME. In the
 ;;; COMPILED-DEBUG-VAR case, access the current value to determine if
                                                         sb!vm::nfp-offset))
                                #!-alpha
                                (sap-ref-sap fp
-                                            (* sb!vm::nfp-save-offset
-                                               sb!vm:word-bytes))
+                                            (* nfp-save-offset
+                                               sb!vm:n-word-bytes))
                                #!+alpha
                                (sb!vm::make-number-stack-pointer
                                 (sap-ref-32 fp
-                                            (* sb!vm::nfp-save-offset
-                                               sb!vm:word-bytes))))))
+                                            (* nfp-save-offset
+                                               sb!vm:n-word-bytes))))))
                  ,@body)))
     (ecase (sb!c:sc-offset-scn sc-offset)
       ((#.sb!vm:any-reg-sc-number
       (#.sb!vm:sap-reg-sc-number
        (set-escaped-value (sap-int value)))
       (#.sb!vm:signed-reg-sc-number
-       (set-escaped-value (logand value (1- (ash 1 sb!vm:word-bits)))))
+       (set-escaped-value (logand value (1- (ash 1 sb!vm:n-word-bits)))))
       (#.sb!vm:unsigned-reg-sc-number
        (set-escaped-value value))
       (#.sb!vm:non-descriptor-reg-sc-number
       (#.sb!vm:single-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-single nfp (* (sb!c:sc-offset-offset sc-offset)
-                                     sb!vm:word-bytes))
+                                     sb!vm:n-word-bytes))
               (the single-float value))))
       (#.sb!vm:double-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-double nfp (* (sb!c:sc-offset-offset sc-offset)
-                                     sb!vm:word-bytes))
+                                     sb!vm:n-word-bytes))
               (the double-float value))))
       #!+long-float
       (#.sb!vm:long-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-long nfp (* (sb!c:sc-offset-offset sc-offset)
-                                   sb!vm:word-bytes))
+                                   sb!vm:n-word-bytes))
               (the long-float value))))
       (#.sb!vm:complex-single-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-single
-               nfp (* (sb!c:sc-offset-offset sc-offset) sb!vm:word-bytes))
+               nfp (* (sb!c:sc-offset-offset sc-offset) sb!vm:n-word-bytes))
               (the single-float (realpart value)))
         (setf (sap-ref-single
                nfp (* (1+ (sb!c:sc-offset-offset sc-offset))
-                      sb!vm:word-bytes))
+                      sb!vm:n-word-bytes))
               (the single-float (realpart value)))))
       (#.sb!vm:complex-double-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-double
-               nfp (* (sb!c:sc-offset-offset sc-offset) sb!vm:word-bytes))
+               nfp (* (sb!c:sc-offset-offset sc-offset) sb!vm:n-word-bytes))
               (the double-float (realpart value)))
         (setf (sap-ref-double
                nfp (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                      sb!vm:word-bytes))
+                      sb!vm:n-word-bytes))
               (the double-float (realpart value)))))
       #!+long-float
       (#.sb!vm:complex-long-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-long
-               nfp (* (sb!c:sc-offset-offset sc-offset) sb!vm:word-bytes))
+               nfp (* (sb!c:sc-offset-offset sc-offset) sb!vm:n-word-bytes))
               (the long-float (realpart value)))
         (setf (sap-ref-long
                nfp (* (+ (sb!c:sc-offset-offset sc-offset) #!+sparc 4)
-                      sb!vm:word-bytes))
+                      sb!vm:n-word-bytes))
               (the long-float (realpart value)))))
       (#.sb!vm:control-stack-sc-number
        (setf (stack-ref fp (sb!c:sc-offset-offset sc-offset)) value))
       (#.sb!vm:base-char-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-32 nfp (* (sb!c:sc-offset-offset sc-offset)
-                                        sb!vm:word-bytes))
+                                        sb!vm:n-word-bytes))
               (char-code (the character value)))))
       (#.sb!vm:unsigned-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-32 nfp (* (sb!c:sc-offset-offset sc-offset)
-                                 sb!vm:word-bytes))
+                                 sb!vm:n-word-bytes))
               (the (unsigned-byte 32) value))))
       (#.sb!vm:signed-stack-sc-number
        (with-nfp (nfp)
         (setf (signed-sap-ref-32 nfp (* (sb!c:sc-offset-offset sc-offset)
-                                        sb!vm:word-bytes))
+                                        sb!vm:n-word-bytes))
               (the (signed-byte 32) value))))
       (#.sb!vm:sap-stack-sc-number
        (with-nfp (nfp)
         (setf (sap-ref-sap nfp (* (sb!c:sc-offset-offset sc-offset)
-                                  sb!vm:word-bytes))
+                                  sb!vm:n-word-bytes))
               (the system-area-pointer value)))))))
 
 #!+x86
       (#.sb!vm:sap-reg-sc-number
        (set-escaped-value (sap-int value)))
       (#.sb!vm:signed-reg-sc-number
-       (set-escaped-value (logand value (1- (ash 1 sb!vm:word-bits)))))
+       (set-escaped-value (logand value (1- (ash 1 sb!vm:n-word-bits)))))
       (#.sb!vm:unsigned-reg-sc-number
        (set-escaped-value value))
       (#.sb!vm:single-reg-sc-number
       (#.sb!vm:single-stack-sc-number
        (setf (sap-ref-single
              fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (the single-float value)))
       (#.sb!vm:double-stack-sc-number
        (setf (sap-ref-double
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (the double-float value)))
       #!+long-float
       (#.sb!vm:long-stack-sc-number
        (setf (sap-ref-long
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 3)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (the long-float value)))
       (#.sb!vm:complex-single-stack-sc-number
        (setf (sap-ref-single
              fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (realpart (the (complex single-float) value)))
        (setf (sap-ref-single
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (imagpart (the (complex single-float) value))))
       (#.sb!vm:complex-double-stack-sc-number
        (setf (sap-ref-double
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 2)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (realpart (the (complex double-float) value)))
        (setf (sap-ref-double
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 4)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (imagpart (the (complex double-float) value))))
       #!+long-float
       (#.sb!vm:complex-long-stack-sc-number
        (setf (sap-ref-long
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 3)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (realpart (the (complex long-float) value)))
        (setf (sap-ref-long
              fp (- (* (+ (sb!c:sc-offset-offset sc-offset) 6)
-                      sb!vm:word-bytes)))
+                      sb!vm:n-word-bytes)))
             (imagpart (the (complex long-float) value))))
       (#.sb!vm:control-stack-sc-number
        (setf (stack-ref fp (sb!c:sc-offset-offset sc-offset)) value))
       (#.sb!vm:base-char-stack-sc-number
        (setf (sap-ref-32 fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                                        sb!vm:word-bytes)))
+                                        sb!vm:n-word-bytes)))
             (char-code (the character value))))
       (#.sb!vm:unsigned-stack-sc-number
        (setf (sap-ref-32 fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                                        sb!vm:word-bytes)))
+                                        sb!vm:n-word-bytes)))
             (the (unsigned-byte 32) value)))
       (#.sb!vm:signed-stack-sc-number
        (setf (signed-sap-ref-32
-             fp (- (* (1+ (sb!c:sc-offset-offset sc-offset)) sb!vm:word-bytes)))
+             fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
+                      sb!vm:n-word-bytes)))
             (the (signed-byte 32) value)))
       (#.sb!vm:sap-stack-sc-number
        (setf (sap-ref-sap fp (- (* (1+ (sb!c:sc-offset-offset sc-offset))
-                                         sb!vm:word-bytes)))
+                                         sb!vm:n-word-bytes)))
             (the system-area-pointer value))))))
 
 ;;; The method for setting and accessing COMPILED-DEBUG-VAR values use
 ;;; The returned function takes the frame to get values from as its
 ;;; argument, and it returns the values of FORM. The returned function
 ;;; can signal the following conditions: INVALID-VALUE,
-;;; AMBIGUOUS-VARIABLE-NAME, and FRAME-FUN-MISMATCH.
+;;; AMBIGUOUS-VAR-NAME, and FRAME-FUN-MISMATCH.
 (defun preprocess-for-eval (form loc)
   (declare (type code-location loc))
   (let ((n-frame (gensym))
            (:valid
             (specs `(,name (debug-var-value ',var ,n-frame))))
            (:unknown
-            (specs `(,name (debug-signal 'invalid-value :debug-var ',var
+            (specs `(,name (debug-signal 'invalid-value
+                                         :debug-var ',var
                                          :frame ,n-frame))))
            (:ambiguous
-            (specs `(,name (debug-signal 'ambiguous-variable-name :name ',name
+            (specs `(,name (debug-signal 'ambiguous-var-name
+                                         :name ',name
                                          :frame ,n-frame)))))))
       (let ((res (coerce `(lambda (,n-frame)
                            (declare (ignorable ,n-frame))
        (multiple-value-bind (lra component offset)
            (make-bogus-lra
             (get-context-value frame
-                               sb!vm::lra-save-offset
+                               lra-save-offset
                                lra-sc-offset))
          (setf (get-context-value frame
-                                  sb!vm::lra-save-offset
+                                  lra-save-offset
                                   lra-sc-offset)
                lra)
          (let ((end-bpts (breakpoint-%info starter-bpt)))
     (do ((frame frame (frame-down frame)))
        ((not frame) nil)
       (when (and (compiled-frame-p frame)
-                (eq lra
-                    (get-context-value frame
-                                       sb!vm::lra-save-offset
-                                       lra-sc-offset)))
+                 (#-x86 eq #+x86 sap=
+                 lra
+                 (get-context-value frame lra-save-offset lra-sc-offset)))
        (return t)))))
 \f
 ;;;; ACTIVATE-BREAKPOINT
         (frame (do ((cfp (sb!vm:context-register scp sb!vm::cfp-offset))
                     (f (top-frame) (frame-down f)))
                    ((= cfp (sap-int (frame-pointer f))) f)
-                 (declare (type (unsigned-byte #.sb!vm:word-bits) cfp))))
+                 (declare (type (unsigned-byte #.sb!vm:n-word-bits) cfp))))
         (component (breakpoint-data-component data))
         (cookie (gethash component *fun-end-cookies*)))
     (remhash component *fun-end-cookies*)
        (setf (code-header-ref code-object (1+ real-lra-slot)) offset))
      (setf (code-header-ref code-object known-return-p-slot)
           known-return-p)
-     (system-area-copy src-start 0 dst-start 0 (* length sb!vm:byte-bits))
+     (system-area-copy src-start 0 dst-start 0 (* length sb!vm:n-byte-bits))
      (sb!vm:sanctify-for-execution code-object)
      #!+x86
      (values dst-start code-object (sap- trap-loc src-start))