(sort insts #'> :key #'specializer-rank))
(defun specialization-error (insts)
- (error "~@<internal disassembler error: ~2I~_Instructions either aren't related or conflict in some way: ~4I~_~S~:>"
- insts))
+ (bug
+ "~@<Instructions either aren't related or conflict in some way: ~4I~_~S~:>"
+ insts))
;;; Given a list of instructions INSTS, Sees if one of these instructions is a
;;; more general form of all the others, in which case they are put into its
\f
(defstruct (offs-hook (:copier nil))
(offset 0 :type offset)
- (function (missing-arg) :type function)
+ (fun (missing-arg) :type function)
(before-address nil :type (member t nil)))
(defstruct (segment (:conc-name seg-)
(seg-virtual-location seg)
(seg-code seg)))))
\f
-;;; All state during disassembly. We store some seemingly redundant
-;;; information so that we can allow garbage collect during disassembly and
-;;; not get tripped up by a code block being moved...
-(defstruct (disassem-state (:conc-name dstate-)
- (:constructor %make-dstate)
- (:copier nil))
- ;; offset of current pos in segment
- (cur-offs 0 :type offset)
- ;; offset of next position
- (next-offs 0 :type offset)
- ;; a sap pointing to our segment
- (segment-sap (missing-arg) :type sb!sys:system-area-pointer)
- ;; the current segment
- (segment nil :type (or null segment))
- ;; what to align to in most cases
- (alignment sb!vm:n-word-bytes :type alignment)
- (byte-order :little-endian
- :type (member :big-endian :little-endian))
- ;; for user code to hang stuff off of
- (properties nil :type list)
- (filtered-values (make-array max-filtered-value-index)
- :type filtered-value-vector)
- ;; used for prettifying printing
- (addr-print-len nil :type (or null (integer 0 20)))
- (argument-column 0 :type column)
- ;; to make output look nicer
- (output-state :beginning
- :type (member :beginning
- :block-boundary
- nil))
-
- ;; alist of (address . label-number)
- (labels nil :type list)
- ;; same as LABELS slot data, but in a different form
- (label-hash (make-hash-table) :type hash-table)
- ;; list of function
- (fun-hooks nil :type list)
-
- ;; alist of (address . label-number), popped as it's used
- (cur-labels nil :type list) ;
- ;; list of offs-hook, popped as it's used
- (cur-offs-hooks nil :type list)
-
- ;; for the current location
- (notes nil :type list)
-
- ;; currently active source variables
- (current-valid-locations nil :type (or null (vector bit))))
-(def!method print-object ((dstate disassem-state) stream)
- (print-unreadable-object (dstate stream :type t)
- (format stream
- "+~W~@[ in ~S~]"
- (dstate-cur-offs dstate)
- (dstate-segment dstate))))
-
-;;; Return the absolute address of the current instruction in DSTATE.
-(defun dstate-cur-addr (dstate)
- (the address (+ (seg-virtual-location (dstate-segment dstate))
- (dstate-cur-offs dstate))))
-
-;;; Return the absolute address of the next instruction in DSTATE.
-(defun dstate-next-addr (dstate)
- (the address (+ (seg-virtual-location (dstate-segment dstate))
- (dstate-next-offs dstate))))
-\f
;;;; function ops
(defun fun-self (fun)
(declare (type sb!kernel:code-component code-component))
(sb!sys:sap-int (sb!kernel:code-instructions code-component)))
+;;; unused as of sbcl-0.pre7.129
+#|
;;; Return the first function in CODE-COMPONENT.
(defun code-first-function (code-component)
(declare (type sb!kernel:code-component code-component))
(sb!kernel:code-header-ref code-component
sb!vm:code-trace-table-offset-slot))
+|#
(defun segment-offs-to-code-offs (offset segment)
(sb!sys:without-gcing
(setf (dstate-cur-offs dstate) 0)
(setf (dstate-cur-labels dstate) (dstate-labels dstate)))
-(defun do-offs-hooks (before-address stream dstate)
+(defun call-offs-hooks (before-address stream dstate)
(declare (type (or null stream) stream)
(type disassem-state dstate))
(let ((cur-offs (dstate-cur-offs dstate)))
(unless (= (dstate-next-offs dstate) cur-offs)
(return)))))))
-(defun do-fun-hooks (chunk stream dstate)
+(defun call-fun-hooks (chunk stream dstate)
(let ((hooks (dstate-fun-hooks dstate))
(cur-offs (dstate-cur-offs dstate)))
(setf (dstate-next-offs dstate) cur-offs)
(setf (dstate-next-offs dstate) (dstate-cur-offs dstate))
- (do-offs-hooks t stream dstate)
+ (call-offs-hooks t stream dstate)
(unless (or prefix-p (null stream))
(print-current-address stream dstate))
- (do-offs-hooks nil stream dstate)
+ (call-offs-hooks nil stream dstate)
(unless (> (dstate-next-offs dstate) (dstate-cur-offs dstate))
(sb!sys:without-gcing
(sap-ref-dchunk (dstate-segment-sap dstate)
(dstate-cur-offs dstate)
(dstate-byte-order dstate))))
- (let ((fun-prefix-p (do-fun-hooks chunk stream dstate)))
+ (let ((fun-prefix-p (call-fun-hooks chunk stream dstate)))
(if (> (dstate-next-offs dstate) (dstate-cur-offs dstate))
(setf prefix-p fun-prefix-p)
(let ((inst (find-inst chunk ispace)))
((null fun))
(let ((offset (code-offs-to-segment-offs (fun-offset fun) segment)))
(when (<= 0 offset length)
- (push (make-offs-hook :offset offset :function #'fun-header-hook)
+ (push (make-offs-hook :offset offset :fun #'fun-header-hook)
(seg-hooks segment))))))
\f
;;; A SAP-MAKER is a no-argument function that returns a SAP.
(let ((last-block-pc -1))
(flet ((add-hook (pc fun &optional before-address)
(push (make-offs-hook
- :offset pc ;; ##### FIX to account for non-zero offs in code
- :function fun
+ :offset pc ;; ### FIX to account for non-zero offs in code
+ :fun fun
:before-address before-address)
(seg-hooks segment))))
(handler-case
(storage-info-for-debug-fun debug-fun))
(add-source-tracking-hooks segment debug-fun sfcache)
(let ((kind (sb!di:debug-fun-kind debug-fun)))
- (flet ((anh (n)
+ (flet ((add-new-hook (n)
(push (make-offs-hook
:offset 0
- :function (lambda (stream dstate)
- (declare (ignore stream))
- (note n dstate)))
+ :fun (lambda (stream dstate)
+ (declare (ignore stream))
+ (note n dstate)))
(seg-hooks segment))))
(case kind
(:external)
((nil)
- (anh "no-arg-parsing entry point"))
+ (add-new-hook "no-arg-parsing entry point"))
(t
- (anh (lambda (stream)
- (format stream "~S entry point" kind)))))))))
+ (add-new-hook (lambda (stream)
+ (format stream "~S entry point" kind)))))))))
\f
;;; Return a list of the segments of memory containing machine code
;;; instructions for FUNCTION.
projects / sbcl.git / blobdiff