;;;; This file is for testing debugging functionality, using
-;;;; test machinery which might have side effects (e.g.
+;;;; test machinery which might have side effects (e.g.
;;;; executing DEFUN).
;;;; This software is part of the SBCL system. See the README file for
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
-;;;;
+;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.
(cl:in-package :cl-user)
+
+;;; The debugger doesn't have any native knowledge of the interpreter
+(when (eq sb-ext:*evaluator-mode* :interpret)
+ (sb-ext:exit :code 104))
+
\f
;;;; Check that we get debug arglists right.
+(defvar *p* (namestring *load-truename*))
+
+;;; FIXME: This should use some get-argslist like functionality that
+;;; we actually export.
+;;;
;;; Return the debug arglist of the function object FUN as a list, or
;;; punt with :UNKNOWN.
(defun get-arglist (fun)
(#.sb-vm:simple-fun-header-widetag
(sb-kernel:%simple-fun-arglist fun))
(#.sb-vm:closure-header-widetag (get-arglist
- (sb-kernel:%closure-fun fun)))
+ (sb-kernel:%closure-fun fun)))
;; In code/describe.lisp, ll. 227 (%describe-fun), we use a scheme
;; like above, and it seems to work. -- MNA 2001-06-12
;;
;; happen to be the two case that I had my nose rubbed in when
;; debugging a GC problem caused by applying %SIMPLE-FUN-ARGLIST to
;; a closure. -- WHN 2001-06-05)
- (t :unknown)))
+ (t
+ #+sb-eval
+ (if (typep fun 'sb-eval::interpreted-function)
+ (sb-eval::interpreted-function-lambda-list fun)
+ :unknown)
+ #-sb-eval
+ :unknown)))
(defun zoop (zeep &key beep)
blurp)
;;; argument of PRINT might be SB-IMPL::OBJECT or SB-KERNEL::OBJ or
;;; whatever. But we do know the general structure that a correct
;;; answer should have, so we can safely do a lot of checks.)
-(destructuring-bind (object-sym &optional-sym stream-sym) (get-arglist #'print)
- (assert (symbolp object-sym))
- (assert (eql &optional-sym '&optional))
- (assert (symbolp stream-sym)))
-(destructuring-bind (dest-sym control-sym &rest-sym format-args-sym)
- (get-arglist #'format)
- (assert (symbolp dest-sym))
- (assert (symbolp control-sym))
- (assert (eql &rest-sym '&rest))
- (assert (symbolp format-args-sym)))
+(with-test (:name :predefined-functions-1)
+ (destructuring-bind (object-sym &optional-sym stream-sym) (get-arglist #'print)
+ (assert (symbolp object-sym))
+ (assert (eql &optional-sym '&optional))
+ (assert (symbolp stream-sym))))
+(with-test (:name :predefined-functions-2)
+ (destructuring-bind (dest-sym control-sym &rest-sym format-args-sym)
+ (get-arglist #'format)
+ (assert (symbolp dest-sym))
+ (assert (symbolp control-sym))
+ (assert (eql &rest-sym '&rest))
+ (assert (symbolp format-args-sym))))
;;; Check for backtraces generally being correct. Ensure that the
;;; actual backtrace finishes (doesn't signal any errors on its own),
;;; and that it contains the frames we expect, doesn't contain any
;;; "bogus stack frame"s, and contains the appropriate toplevel call
;;; and hasn't been cut off anywhere.
-(defun verify-backtrace (test-function frame-name
- &key (key #'first) (test #'eql)
- (allow-bogus-frames nil))
- (let ((result nil)
- (return-value nil))
- (block outer-handler
- (handler-bind
- ((error #'(lambda (condition)
- (let ((backtrace (ignore-errors
- (sb-debug:backtrace-as-list))))
- ;; Make sure we find what we're looking for.
- (if (member frame-name backtrace :key key :test test)
- (setf result (list :error condition))
- (print (list :failed :frame frame-name :backtrace backtrace)))
- ;; Make sure there's no bogus stack frames
- ;; unless they're explicitly allowed.
- (when (and (not allow-bogus-frames)
- (member "bogus stack frame" backtrace
- :key #'first :test #'equal))
- (print 'verify-backtrace-bogus)
- (setf result nil))
- ;; Make sure the backtrace isn't stunted in
- ;; any way. (Depends on running in the main
- ;; thread.)
- (unless (member 'sb-impl::toplevel-init backtrace
- :key #'first :test #'equal)
- (print 'verify-backtrace-stunted)
- (setf result nil)))
- (return-from outer-handler))))
- (funcall test-function)))
- (values result return-value)))
+(defun verify-backtrace (test-function frame-specs &key (allow-stunted nil) details)
+ (labels ((args-equal (want real)
+ (cond ((eq '&rest (car want))
+ t)
+ ((endp want)
+ (endp real))
+ ((or (eq '? (car want)) (equal (car want) (car real)))
+ (args-equal (cdr want) (cdr real)))
+ (t
+ nil))))
+ (let ((result nil))
+ (block outer-handler
+ (handler-bind
+ ((error (lambda (condition)
+ ;; find the part of the backtrace we're interested in
+ (let (full-backtrace)
+ (sb-debug::map-backtrace
+ (lambda (frame)
+ (multiple-value-bind (name args info)
+ (sb-debug::frame-call frame #+nil #+nil
+ :replace-dynamic-extent-objects t)
+ (if details
+ (push (list (cons name args) info) full-backtrace)
+ (push (cons name args) full-backtrace)))))
+
+ (setf full-backtrace (nreverse full-backtrace))
+ (let ((backtrace (if details
+ (member (caaar frame-specs)
+ full-backtrace
+ :key #'caar
+ :test #'equal)
+ (member (caar frame-specs)
+ full-backtrace
+ :key #'car
+ :test #'equal))))
+
+ (setf result condition)
+
+ (unless backtrace
+ (format t "~&//~S not in backtrace:~% ~S~%"
+ (caar frame-specs)
+ full-backtrace)
+ (setf result nil))
+ ;; check that we have all the frames we wanted
+ (mapcar
+ (lambda (spec frame)
+ (unless (or (not spec)
+ (if details
+ (handler-case
+ (and (args-equal (car spec)
+ (car frame))
+ (equal (cdr spec) (cdr frame)))
+ (error (e)
+ (print (list :spec spec :frame frame))
+ (error e)))
+ (and (equal (car spec) (car frame))
+ (args-equal (cdr spec)
+ (cdr frame)))))
+ (print (list :wanted spec :got frame))
+ (setf result nil)))
+ frame-specs
+ backtrace)
+
+ ;; Make sure the backtrace isn't stunted in
+ ;; any way. (Depends on running in the main
+ ;; thread.) FIXME: On Windows we get two
+ ;; extra foreign frames below regular frames.
+ (unless (find (if details
+ '((sb-impl::toplevel-init) ())
+ '(sb-impl::toplevel-init))
+ backtrace
+ :test #'equal)
+ (print (list :backtrace-stunted backtrace))
+ (setf result nil))
+ (return-from outer-handler))))))
+ (funcall test-function)))
+ result)))
+
+(defvar *undefined-function-frame*
+ ;; bug 353
+ '("undefined function"))
;;; Test for "undefined function" (undefined_tramp) working properly.
;;; Try it with and without tail call elimination, since they can have
;;; different effects. (Specifically, if undefined_tramp is incorrect
;;; a stunted stack can result from the tail call variant.)
-#-(or alpha) ; bug 346
(flet ((optimized ()
(declare (optimize (speed 2) (debug 1))) ; tail call elimination
(#:undefined-function 42))
(test (fun)
(declare (optimize (speed 1) (debug 2))) ; no tail call elimination
(funcall fun)))
- #-x86 ; <- known bug (?): fails for me on 0.8.17.31/Linux/x86 -- WHN 2004-12-27
- (dolist (frame '(#-x86 "undefined function" ; bug 353
- "FLET COMMON-LISP-USER::TEST"))
- (assert (verify-backtrace (lambda () (test #'optimized)) frame
- :test #'equal
- :allow-bogus-frames (or #+x86 t))))
- (dolist (frame '(#-x86 "undefined function" ; bug 353
- "FLET COMMON-LISP-USER::NOT-OPTIMIZED"
- "FLET COMMON-LISP-USER::TEST"))
- (assert (verify-backtrace (lambda () (test #'not-optimized)) frame
- :test #'equal
- :allow-bogus-frames (or #+x86 t)))))
-
-;;; Division by zero was a common error on PPC. It depended on the
+
+ (with-test (:name (:undefined-function :bug-346)
+ ;; Failures on ALPHA, SPARC, MIPS, and probably
+ ;; HPPA are due to not having a full and valid
+ ;; stack frame for the undefined function frame.
+ ;; See PPC undefined_tramp for details.
+ :fails-on '(or :alpha :sparc :mips
+ (and :x86-64 :freebsd)))
+ (assert (verify-backtrace
+ (lambda () (test #'optimized))
+ (list *undefined-function-frame*
+ (list `(flet test :in ,*p*) #'optimized)))))
+
+ ;; bug 353: This test fails at least most of the time for x86/linux
+ ;; ca. 0.8.20.16. -- WHN
+ (with-test (:name (:undefined-function :bug-353))
+ (assert (verify-backtrace
+ (lambda () (test #'not-optimized))
+ (list *undefined-function-frame*
+ (list `(flet not-optimized :in ,*p*))
+ (list `(flet test :in ,*p*) #'not-optimized))))))
+
+(with-test (:name :backtrace-interrupted-condition-wait
+ :skipped-on '(not :sb-thread)
+ ;; For some unfathomable reason the backtrace becomes
+ ;; stunted, ending at _sigtramp, when we add :TIMEOUT NIL to
+ ;; the frame we expect. If we leave it out, the backtrace is
+ ;; fine -- but the test fails. I can only boggle right now.
+ :fails-on `(or (and :x86 :linux)
+ :win32))
+ (let ((m (sb-thread:make-mutex))
+ (q (sb-thread:make-waitqueue)))
+ (assert (verify-backtrace
+ (lambda ()
+ (sb-thread:with-mutex (m)
+ (handler-bind ((timeout (lambda (c)
+ (error "foo"))))
+ (with-timeout 0.1
+ (sb-thread:condition-wait q m)))))
+ `((sb-thread:condition-wait ,q ,m :timeout nil))))))
+
+;;; Division by zero was a common error on PPC. It depended on the
;;; return function either being before INTEGER-/-INTEGER in memory,
-;;; or more than MOST-POSITIVE-FIXNUM bytes ahead. It also depends on
-;;; INTEGER-/-INTEGER calling SIGNED-TRUNCATE. I believe Raymond Toy
+;;; or more than MOST-POSITIVE-FIXNUM bytes ahead. It also depends on
+;;; INTEGER-/-INTEGER calling SIGNED-TRUNCATE. I believe Raymond Toy
;;; says that the Sparc backend (at least for CMUCL) inlines this, so
;;; if SBCL does the same this test is probably not good for the
;;; Sparc.
;;; the return value (to the flet or the enclosing top level form) is
;;; more than MOST-POSITIVE-FIXNUM with the current spaces on OS X.
;;; Enabling it might catch other problems, so do it anyway.
-#-alpha ; bug 346
-(progn
- (flet ((test-function ()
- (declare (optimize (speed 2) (debug 1))) ; tail call elimination
- (/ 42 0)))
- (assert (verify-backtrace #'test-function '/)))
-
- (flet ((test-function ()
- (declare (optimize (speed 1) (debug 2))) ; no tail call elimination
- (/ 42 0)))
- (assert (verify-backtrace #'test-function '/))))
-
-#-(or alpha) ; bug 61
-(progn
- (defun throw-test ()
- (throw 'no-such-tag t))
- (assert (verify-backtrace #'throw-test
- #-(or x86 sparc) 'throw-test
- #+(or x86 sparc) "XEP for COMMON-LISP-USER::THROW-TEST" ; bug 354
- :test #'equal)))
-
-;;; success
-(quit :unix-status 104)
+(flet ((optimized ()
+ (declare (optimize (speed 2) (debug 1))) ; tail call elimination
+ (/ 42 0))
+ (not-optimized ()
+ (declare (optimize (speed 1) (debug 2))) ; no tail call elimination
+ (/ 42 0))
+ (test (fun)
+ (declare (optimize (speed 1) (debug 2))) ; no tail call elimination
+ (funcall fun)))
+ (with-test (:name (:divide-by-zero :bug-346)
+ :fails-on :alpha) ; bug 346
+ (assert (verify-backtrace (lambda () (test #'optimized))
+ (list '(/ 42 &rest)
+ (list `(flet test :in ,*p*) #'optimized)))))
+ (with-test (:name (:divide-by-zero :bug-356)
+ :fails-on :alpha) ; bug 356
+ (assert (verify-backtrace (lambda () (test #'not-optimized))
+ (list '(/ 42 &rest)
+ `((flet not-optimized :in ,*p*))
+ (list `(flet test :in ,*p*) #'not-optimized))))))
+
+(with-test (:name (:throw :no-such-tag)
+ :fails-on '(or
+ (and :sparc :linux)
+ :alpha
+ :mips))
+ (progn
+ (defun throw-test ()
+ (throw 'no-such-tag t))
+ (assert (verify-backtrace #'throw-test '((throw-test))))))
+
+(defun bug-308926 (x)
+ (let ((v "foo"))
+ (flet ((bar (z)
+ (oops v z)
+ (oops z v)))
+ (bar x)
+ (bar v))))
+
+(with-test (:name :bug-308926)
+ (assert (verify-backtrace (lambda () (bug-308926 13))
+ '(((flet bar :in bug-308926) 13)
+ (bug-308926 &rest t)))))
+
+;;; Test backtrace through assembly routines
+;;; :bug-800343
+(macrolet ((test (predicate fun
+ &optional (two-arg
+ (find-symbol (format nil "TWO-ARG-~A" fun)
+ "SB-KERNEL")))
+ (let ((test-name (make-symbol (format nil "TEST-~A" fun))))
+ `(flet ((,test-name (x y)
+ ;; make sure it's not in tail position
+ (list (,fun x y))))
+ (with-test (:name (:bug-800343 ,fun))
+ (assert (verify-backtrace
+ (lambda ()
+ (eval `(funcall ,#',test-name 42 t)))
+ '((,two-arg 42 t)
+ #+(or x86 x86-64)
+ ,@(and predicate
+ '(("no debug information for frame")))
+ ((flet ,test-name :in ,*p*) 42 t))))))))
+ (test-predicates (&rest functions)
+ `(progn ,@(mapcar (lambda (function)
+ (if (consp function)
+ `(test t ,@function)
+ `(test t ,function)))
+ functions)))
+ (test-functions (&rest functions)
+ `(progn ,@(mapcar (lambda (function)
+ (if (consp function)
+ `(test nil ,@function)
+ `(test nil ,function)))
+ functions))))
+ (test-predicates = < >)
+ (test-functions + - * /
+ gcd lcm
+ (logand sb-kernel:two-arg-and)
+ (logior sb-kernel:two-arg-ior)
+ (logxor sb-kernel:two-arg-xor)))
+
+;;; test entry point handling in backtraces
+
+(defun oops ()
+ (error "oops"))
+
+(with-test (:name :xep-too-many-arguments)
+ (assert (verify-backtrace (lambda () (oops 1 2 3 4 5 6))
+ '((oops ? ? ? ? ? ?)))))
+
+(defmacro defbt (n ll &body body)
+ ;; WTF is this? This is a way to make these tests not depend so much on the
+ ;; details of LOAD/EVAL. Around 1.0.57 we changed %SIMPLE-EVAL to be
+ ;; slightly smarter, which meant that things which used to have xeps
+ ;; suddently had tl-xeps, etc. This takes care of that.
+ `(funcall
+ (compile nil
+ '(lambda ()
+ (progn
+ ;; normal debug info
+ (defun ,(intern (format nil "BT.~A.1" n)) ,ll
+ ,@body)
+ ;; no arguments saved
+ (defun ,(intern (format nil "BT.~A.2" n)) ,ll
+ (declare (optimize (debug 1) (speed 3)))
+ ,@body)
+ ;; no lambda-list saved
+ (defun ,(intern (format nil "BT.~A.3" n)) ,ll
+ (declare (optimize (debug 0)))
+ ,@body))))))
+
+(defbt 1 (&key key)
+ (list key))
+
+(defbt 2 (x)
+ (list x))
+
+(defbt 3 (&key (key (oops)))
+ (list key))
+
+;;; ERROR instead of OOPS so that tail call elimination doesn't happen
+(defbt 4 (&optional opt)
+ (list (error "error")))
+
+(defbt 5 (&optional (opt (oops)))
+ (list opt))
+
+(defun bug-354 (x)
+ (error "XEPs in backtraces: ~S" x))
+
+(with-test (:name :bug-354)
+ (assert (not (verify-backtrace (lambda () (bug-354 354))
+ '((bug-354 354)
+ (((bug-354 &rest) (:tl :external)) 354)))))
+ (assert (verify-backtrace (lambda () (bug-354 354)) '((bug-354 354)))))
+
+;;; FIXME: This test really should be broken into smaller pieces
+(with-test (:name (:backtrace :tl-xep))
+ (assert (verify-backtrace #'namestring
+ '(((namestring) (:tl :external)))
+ :details t))
+ (assert (verify-backtrace #'namestring
+ '((namestring)))))
+
+(with-test (:name (:backtrace :more-processor))
+ (assert (verify-backtrace (lambda () (bt.1.1 :key))
+ '(((bt.1.1 :key) (:more :optional)))
+ :details t))
+ (assert (verify-backtrace (lambda () (bt.1.2 :key))
+ '(((bt.1.2 ?) (:more :optional)))
+ :details t))
+ (assert (verify-backtrace (lambda () (bt.1.3 :key))
+ '(((bt.1.3 &rest) (:more :optional)))
+ :details t))
+ (assert (verify-backtrace (lambda () (bt.1.1 :key))
+ '((bt.1.1 :key))))
+ (assert (verify-backtrace (lambda () (bt.1.2 :key))
+ '((bt.1.2 &rest))))
+ (assert (verify-backtrace (lambda () (bt.1.3 :key))
+ '((bt.1.3 &rest)))))
+
+(with-test (:name (:backtrace :xep))
+ (assert (verify-backtrace #'bt.2.1
+ '(((bt.2.1) (:external)))
+ :details t))
+ (assert (verify-backtrace #'bt.2.2
+ '(((bt.2.2 &rest) (:external)))
+ :details t))
+ (assert (verify-backtrace #'bt.2.3
+ '(((bt.2.3 &rest) (:external)))
+ :details t))
+ (assert (verify-backtrace #'bt.2.1
+ '((bt.2.1))))
+ (assert (verify-backtrace #'bt.2.2
+ '((bt.2.2 &rest))))
+ (assert (verify-backtrace #'bt.2.3
+ '((bt.2.3 &rest)))))
+
+;;; This test is somewhat deceptively named. Due to confusion in debug naming
+;;; these functions used to have sb-c::varargs-entry debug names for their
+;;; main lambda.
+(with-test (:name (:backtrace :varargs-entry))
+ (assert (verify-backtrace #'bt.3.1
+ '((bt.3.1 :key nil))))
+ (assert (verify-backtrace #'bt.3.2
+ '((bt.3.2 :key ?))))
+ (assert (verify-backtrace #'bt.3.3
+ '((bt.3.3 &rest))))
+ (assert (verify-backtrace #'bt.3.1
+ '((bt.3.1 :key nil))))
+ (assert (verify-backtrace #'bt.3.2
+ '((bt.3.2 :key ?))))
+ (assert (verify-backtrace #'bt.3.3
+ '((bt.3.3 &rest)))))
+
+;;; This test is somewhat deceptively named. Due to confusion in debug naming
+;;; these functions used to have sb-c::hairy-args-processor debug names for
+;;; their main lambda.
+(with-test (:name (:backtrace :hairy-args-processor))
+ (assert (verify-backtrace #'bt.4.1
+ '((bt.4.1 ?))))
+ (assert (verify-backtrace #'bt.4.2
+ '((bt.4.2 ?))))
+ (assert (verify-backtrace #'bt.4.3
+ '((bt.4.3 &rest))))
+ (assert (verify-backtrace #'bt.4.1
+ '((bt.4.1 ?))))
+ (assert (verify-backtrace #'bt.4.2
+ '((bt.4.2 ?))))
+ (assert (verify-backtrace #'bt.4.3
+ '((bt.4.3 &rest)))))
+
+
+(with-test (:name (:backtrace :optional-processor))
+ (assert (verify-backtrace #'bt.5.1
+ '(((bt.5.1) (:optional)))
+ :details t))
+ (assert (verify-backtrace #'bt.5.2
+ '(((bt.5.2 &rest) (:optional)))
+ :details t))
+ (assert (verify-backtrace #'bt.5.3
+ '(((bt.5.3 &rest) (:optional)))
+ :details t))
+ (assert (verify-backtrace #'bt.5.1
+ '((bt.5.1))))
+ (assert (verify-backtrace #'bt.5.2
+ '((bt.5.2 &rest))))
+ (assert (verify-backtrace #'bt.5.3
+ '((bt.5.3 &rest)))))
+
+(write-line "//compile nil")
+(defvar *compile-nil-error* (compile nil '(lambda (x) (cons (when x (error "oops")) nil))))
+(defvar *compile-nil-non-tc* (compile nil '(lambda (y) (cons (funcall *compile-nil-error* y) nil))))
+(with-test (:name (:compile nil))
+ (assert (verify-backtrace (lambda () (funcall *compile-nil-non-tc* 13))
+ `(((lambda (x) :in ,*p*) 13)
+ ((lambda (y) :in ,*p*) 13)))))
+
+(with-test (:name :clos-slot-typecheckfun-named)
+ (assert
+ (verify-backtrace
+ (lambda ()
+ (eval `(locally (declare (optimize safety))
+ (defclass clos-typecheck-test ()
+ ((slot :type fixnum)))
+ (setf (slot-value (make-instance 'clos-typecheck-test) 'slot) t))))
+ '(((sb-pcl::slot-typecheck fixnum) t)))))
+
+(with-test (:name :clos-emf-named)
+ (assert
+ (verify-backtrace
+ (lambda ()
+ (eval `(progn
+ (defmethod clos-emf-named-test ((x symbol)) x)
+ (defmethod clos-emf-named-test :before (x) (assert x))
+ (clos-emf-named-test nil))))
+ '(((sb-pcl::emf clos-emf-named-test) ? ? nil)))))
+
+(with-test (:name :bug-310173)
+ (flet ((make-fun (n)
+ (let* ((names '(a b))
+ (req (loop repeat n collect (pop names))))
+ (compile nil
+ `(lambda (,@req &rest rest)
+ (let ((* *)) ; no tail-call
+ (apply '/ ,@req rest)))))))
+ (assert
+ (verify-backtrace (lambda ()
+ (funcall (make-fun 0) 10 11 0))
+ `((sb-kernel:two-arg-/ 10/11 0)
+ (/ 10 11 0)
+ ((lambda (&rest rest) :in ,*p*) 10 11 0))))
+ (assert
+ (verify-backtrace (lambda ()
+ (funcall (make-fun 1) 10 11 0))
+ `((sb-kernel:two-arg-/ 10/11 0)
+ (/ 10 11 0)
+ ((lambda (a &rest rest) :in ,*p*) 10 11 0))))
+ (assert
+ (verify-backtrace (lambda ()
+ (funcall (make-fun 2) 10 11 0))
+ `((sb-kernel:two-arg-/ 10/11 0)
+ (/ 10 11 0)
+ ((lambda (a b &rest rest) :in ,*p*) 10 11 0))))))
+
+;;;; test TRACE
+
+(defun trace-this ()
+ 'ok)
+
+(defun trace-fact (n)
+ (if (zerop n)
+ 1
+ (* n (trace-fact (1- n)))))
+
+(with-test (:name (trace :simple))
+ (let ((out (with-output-to-string (*trace-output*)
+ (trace trace-this)
+ (assert (eq 'ok (trace-this)))
+ (untrace))))
+ (assert (search "TRACE-THIS" out))
+ (assert (search "returned OK" out))))
+
+;;; bug 379
+;;; This is not a WITH-TEST :FAILS-ON PPC DARWIN since there are
+;;; suspicions that the breakpoint trace might corrupt the whole image
+;;; on that platform.
+(with-test (:name (trace :encapsulate nil)
+ :fails-on '(or (and :ppc (not :linux)) :sparc :mips)
+ :broken-on '(or :darwin :sunos))
+ (let ((out (with-output-to-string (*trace-output*)
+ (trace trace-this :encapsulate nil)
+ (assert (eq 'ok (trace-this)))
+ (untrace))))
+ (assert (search "TRACE-THIS" out))
+ (assert (search "returned OK" out))))
+
+(with-test (:name (trace-recursive :encapsulate nil)
+ :fails-on '(or (and :ppc (not :linux)) :sparc :mips :sunos)
+ :broken-on '(or :darwin (and :x86 :sunos)))
+ (let ((out (with-output-to-string (*trace-output*)
+ (trace trace-fact :encapsulate nil)
+ (assert (= 120 (trace-fact 5)))
+ (untrace))))
+ (assert (search "TRACE-FACT" out))
+ (assert (search "returned 1" out))
+ (assert (search "returned 120" out))))
+
+(defun trace-and-fmakunbound-this (x)
+ x)
+
+(with-test (:name :bug-667657)
+ (trace trace-and-fmakunbound-this)
+ (fmakunbound 'trace-and-fmakunbound-this)
+ (untrace)
+ (assert (not (trace))))
+
+(with-test (:name :bug-414)
+ (handler-bind ((warning #'error))
+ (load (compile-file "bug-414.lisp"))
+ (disassemble 'bug-414)))
+
+(with-test (:name :bug-310175 :fails-on '(not :stack-allocatable-lists))
+ ;; KLUDGE: Not all DX-enabled platforms DX CONS, and the compiler
+ ;; transforms two-arg-LIST* (and one-arg-LIST) to CONS. Therefore,
+ ;; use two-arg-LIST, which should get through to VOP LIST, and thus
+ ;; stack-allocate on a predictable set of machines.
+ (let ((dx-arg (list t t)))
+ (declare (dynamic-extent dx-arg))
+ (flet ((dx-arg-backtrace (x)
+ (declare (optimize (debug 2)))
+ (prog1 (sb-debug:list-backtrace :count 10)
+ (assert (sb-debug::stack-allocated-p x)))))
+ (declare (notinline dx-arg-backtrace))
+ (assert (member-if (lambda (frame)
+ (and (consp frame)
+ (consp (car frame))
+ (equal '(flet dx-arg-backtrace :in) (butlast (car frame)))
+ (notany #'sb-debug::stack-allocated-p (cdr frame))))
+ (dx-arg-backtrace dx-arg))))))
+
+(with-test (:name :bug-795245)
+ (assert
+ (eq :ok
+ (catch 'done
+ (handler-bind
+ ((error (lambda (e)
+ (declare (ignore e))
+ (handler-case
+ (sb-debug:print-backtrace :count 100
+ :stream (make-broadcast-stream))
+ (error ()
+ (throw 'done :error))
+ (:no-error ()
+ (throw 'done :ok))))))
+ (apply '/= nil 1 2 nil))))))
+
+;;;; test infinite error protection
+
+(defmacro nest-errors (n-levels error-form)
+ (if (< 0 n-levels)
+ `(handler-bind ((error (lambda (condition)
+ (declare (ignore condition))
+ ,error-form)))
+ (nest-errors ,(1- n-levels) ,error-form))
+ error-form))
+
+(defun erroring-debugger-hook (condition old-debugger-hook)
+ (let ((*debugger-hook* old-debugger-hook))
+ (format t "recursive condition: ~A~%" condition) (force-output)
+ (error "recursive condition: ~A" condition)))
+
+(defun test-inifinite-error-protection ()
+ ;; after 50 successful throws to SB-IMPL::TOPLEVEL-CATCHER sbcl used
+ ;; to halt, it produces so much garbage that's hard to suppress that
+ ;; it is tested only once
+ (write-line "--HARMLESS BUT ALARMING BACKTRACE COMING UP--")
+ (let ((*debugger-hook* #'erroring-debugger-hook))
+ (loop repeat 1 do
+ (let ((error-counter 0)
+ (*terminal-io* (make-broadcast-stream)))
+ (assert
+ (not (eq
+ :normal-exit
+ (catch 'sb-impl::toplevel-catcher
+ (nest-errors 20 (error "infinite error ~s"
+ (incf error-counter)))
+ :normal-exit)))))))
+ (write-line "--END OF H-B-A-B--"))
+
+(with-test (:name infinite-error-protection)
+ (enable-debugger)
+ (test-inifinite-error-protection))
+
+(with-test (:name (infinite-error-protection :thread)
+ :skipped-on '(not :sb-thread))
+ (enable-debugger)
+ (let ((thread (sb-thread:make-thread #'test-inifinite-error-protection)))
+ (loop while (sb-thread:thread-alive-p thread))))
+
+;; unconditional, in case either previous left it enabled
+(disable-debugger)
+\f
+;;;; test some limitations of MAKE-LISP-OBJ
+
+;;; Older GENCGC systems had a bug in the pointer validation used by
+;;; MAKE-LISP-OBJ that made SIMPLE-FUN objects always fail to
+;;; validate.
+(with-test (:name (make-lisp-obj :simple-funs))
+ (sb-sys:without-gcing
+ (assert (eq #'identity
+ (sb-kernel:make-lisp-obj
+ (sb-kernel:get-lisp-obj-address
+ #'identity))))))
+
+;;; Older CHENEYGC systems didn't perform any real pointer validity
+;;; checks beyond "is this pointer to somewhere in heap space".
+(with-test (:name (make-lisp-obj :pointer-validation))
+ ;; Fun and games: We need to test MAKE-LISP-OBJ with a known-bogus
+ ;; address, but we also need the GC to not pitch a fit if it sees an
+ ;; object with said bogus address. Thus, construct our known-bogus
+ ;; object within an area of unboxed storage (a vector) in static
+ ;; space. We'll make it a simple object, (CONS 0 0), which has an
+ ;; in-memory representation of two consecutive zero words. We
+ ;; allocate a three-word vector so that we can guarantee a
+ ;; double-word aligned double-word of zeros no matter what happens
+ ;; with the vector-data-offset (currently double-word aligned).
+ (let* ((memory (sb-int:make-static-vector 3 :element-type `(unsigned-byte ,sb-vm:n-word-bits)
+ :initial-element 0))
+ (vector-data-address (sb-sys:sap-int (sb-kernel::vector-sap memory)))
+ (object-base-address (logandc2 (+ vector-data-address sb-vm:lowtag-mask) sb-vm:lowtag-mask))
+ (object-tagged-address (+ object-base-address sb-vm:list-pointer-lowtag)))
+ (multiple-value-bind (object valid-p)
+ (sb-kernel:make-lisp-obj object-tagged-address nil)
+ (declare (ignore object))
+ (assert (not valid-p)))))
+
+(defun test-debugger (control form &rest targets)
+ (let ((out (make-string-output-stream))
+ (oops t))
+ (unwind-protect
+ (progn
+ (with-simple-restart (debugger-test-done! "Debugger Test Done!")
+ (let* ((*debug-io* (make-two-way-stream
+ (make-string-input-stream control)
+ (make-broadcast-stream out #+nil *standard-output*)))
+ ;; Initial announcement goes to *ERROR-OUTPUT*
+ (*error-output* *debug-io*)
+ (*invoke-debugger-hook* nil))
+ (handler-bind ((error #'invoke-debugger))
+ (eval form))))
+ (setf oops nil))
+ (when oops
+ (error "Uncontrolled unwind from debugger test.")))
+ ;; For sanity's sake this is outside the *debug-io* rebinding -- otherwise
+ ;; it could swallow our asserts!
+ (with-input-from-string (s (get-output-stream-string out))
+ (loop for line = (read-line s nil)
+ while line
+ do (assert targets)
+ #+nil
+ (format *error-output* "Got: ~A~%" line)
+ (let ((match (pop targets)))
+ (if (eq '* match)
+ ;; Whatever, till the next line matches.
+ (let ((text (pop targets)))
+ #+nil
+ (format *error-output* "Looking for: ~A~%" text)
+ (unless (search text line)
+ (push text targets)
+ (push match targets)))
+ (unless (search match line)
+ (format *error-output* "~&Wanted: ~S~% Got: ~S~%" match line)
+ (setf oops t))))))
+ ;; Check that we saw everything we wanted
+ (when targets
+ (error "Missed: ~S" targets))
+ (assert (not oops))))
+
+(with-test (:name (:debugger :source 1))
+ (test-debugger
+ "d
+ source 0
+ debugger-test-done!"
+ `(progn
+ (defun this-will-break (x)
+ (declare (optimize debug))
+ (let* ((y (- x x))
+ (z (/ x y)))
+ (+ x z)))
+ (this-will-break 1))
+ '*
+ "debugger invoked"
+ '*
+ "DIVISION-BY-ZERO"
+ "operands (1 0)"
+ '*
+ "INTEGER-/-INTEGER"
+ "(THIS-WILL-BREAK 1)"
+ "1]"
+ "(/ X Y)"
+ "1]"))
+
+(with-test (:name (:debugger :source 2))
+ (test-debugger
+ "d
+ source 0
+ debugger-test-done!"
+ `(locally (declare (optimize (speed 0) (safety 3) (debug 3)))
+ (let ((f #'(lambda (x cont)
+ (print x (make-broadcast-stream))
+ (if (zerop x)
+ (error "~%foo")
+ (funcall cont (1- x) cont)))))
+ (funcall f 10 f)))
+ '*
+ "debugger"
+ '*
+ "foo"
+ '*
+ "source: (ERROR \"~%foo\")"
+ '*
+ "(LAMBDA (X CONT)"
+ '*
+ "(FUNCALL CONT (1- X) CONT)"
+ "1]"))
+
+(with-test (:name (disassemble :high-debug-eval))
+ (eval `(defun this-will-be-disassembled (x)
+ (declare (optimize debug))
+ (+ x x)))
+ (let* ((oopses (make-string-output-stream))
+ (disassembly
+ (let ((*error-output* oopses))
+ (with-output-to-string (*standard-output*)
+ (disassemble 'this-will-be-disassembled)))))
+ (with-input-from-string (s disassembly)
+ (assert (search "; disassembly for THIS-WILL-BE-DISASSEMBLED"
+ (read-line s))))
+ (let ((problems (get-output-stream-string oopses)))
+ (unless (zerop (length problems))
+ (error problems)))))
+
+(defun this-too-will-be-disasssembled (x)
+ (declare (optimize debug))
+ (+ x x))
+
+(with-test (:name (disassemble :high-debug-load))
+ (let* ((oopses (make-string-output-stream))
+ (disassembly
+ (let ((*error-output* oopses))
+ (with-output-to-string (*standard-output*)
+ (disassemble 'this-too-will-be-disasssembled)))))
+ (with-input-from-string (s disassembly)
+ (assert (equal "; disassembly for THIS-TOO-WILL-BE-DISASSSEMBLED"
+ (read-line s))))
+ (let ((problems (get-output-stream-string oopses)))
+ (unless (zerop (length problems))
+ (error problems)))))
+
+(defgeneric gf-dispatch-test/gf (x y)
+ (:method (x y)
+ (+ x y)))
+(defun gf-dispatch-test/f (z)
+ (gf-dispatch-test/gf z))
+
+(with-test (:name :gf-dispatch-backtrace)
+ ;; Fill the cache
+ (gf-dispatch-test/gf 1 1)
+ ;; Wrong argument count
+ (assert (verify-backtrace (lambda () (gf-dispatch-test/f 42))
+ '(((sb-pcl::gf-dispatch gf-dispatch-test/gf) 42)))))
+
+(with-test (:name (:xep-arglist-clean-up :bug-1192929))
+ (assert
+ (block nil
+ (handler-bind ((error (lambda (e)
+ (declare (ignore e))
+ (return (< (length (car (sb-debug:backtrace-as-list 1))) 10)))))
+ (funcall (compile nil `(lambda (i) (declare ((mod 65536) i)) i)) nil)))))
+
+(write-line "/debug.impure.lisp done")