;;; In sbcl-0.6.10, Douglas Brebner reported that (SETF EXTERN-ALIEN)
;;; was messed up so badly that trying to execute expressions like
;;; this signalled an error.
-(setf (sb-alien:extern-alien "current_control_stack_pointer" sb-alien:unsigned)
- (sb-alien:extern-alien "current_control_stack_pointer" sb-alien:unsigned))
+(setf (sb-alien:extern-alien "thread_control_stack_size" sb-alien:unsigned)
+ (sb-alien:extern-alien "thread_control_stack_size" sb-alien:unsigned))
;;; bug 133, fixed in 0.7.0.5: Somewhere in 0.pre7.*, C void returns
;;; were broken ("unable to use values types here") when
:ok)))))
;;; Unused local alien caused a compiler error
-(with-test (:name unused-local-alien)
+(with-test (:name :unused-local-alien)
(let ((fun `(lambda ()
(sb-alien:with-alien ((alien1923 (array (sb-alien:unsigned 8) 72)))
(values)))))
(loop repeat 1024
do (try-to-leak-alien-stack t))))
+;;; bug 431
+(with-test (:name :alien-struct-redefinition)
+ (eval '(progn
+ (define-alien-type nil (struct mystruct (myshort short) (mychar char)))
+ (with-alien ((myst (struct mystruct)))
+ (with-alien ((mysh short (slot myst 'myshort)))
+ (assert (integerp mysh))))))
+ (let ((restarted 0))
+ (handler-bind ((error (lambda (e)
+ (let ((cont (find-restart 'continue e)))
+ (when cont
+ (incf restarted)
+ (invoke-restart cont))))))
+ (eval '(define-alien-type nil (struct mystruct (myint int) (mychar char)))))
+ (assert (= 1 restarted)))
+ (eval '(with-alien ((myst (struct mystruct)))
+ (with-alien ((myin int (slot myst 'myint)))
+ (assert (integerp myin))))))
+
+;;; void conflicted with derived type
+(declaim (inline bug-316075))
+#-win32 ;kludge: This reader conditional masks a bug, but allows the test
+ ;to fail cleanly.
+(sb-alien:define-alien-routine bug-316075 void (result char :out))
+(with-test (:name :bug-316075 :fails-on :win32)
+ #+win32 (error "fail")
+ (handler-bind ((warning #'error))
+ (compile nil '(lambda () (multiple-value-list (bug-316075))))))
+
+
+;;; Bug #316325: "return values of alien calls assumed truncated to
+;;; correct width on x86"
+#+x86-64
+(sb-alien::define-alien-callback truncation-test (unsigned 64)
+ ((foo (unsigned 64)))
+ foo)
+#+x86
+(sb-alien::define-alien-callback truncation-test (unsigned 32)
+ ((foo (unsigned 32)))
+ foo)
+
+(with-test (:name :bug-316325 :skipped-on '(not (or :x86-64 :x86)))
+ ;; This test works by defining a callback function that provides an
+ ;; identity transform over a full-width machine word, then calling
+ ;; it as if it returned a narrower type and checking to see if any
+ ;; noise in the high bits of the result are properly ignored.
+ (macrolet ((verify (type input output)
+ `(with-alien ((fun (* (function ,type
+ #+x86-64 (unsigned 64)
+ #+x86 (unsigned 32)))
+ :local (alien-sap truncation-test)))
+ (let ((result (alien-funcall fun ,input)))
+ (assert (= result ,output))))))
+ #+x86-64
+ (progn
+ (verify (unsigned 64) #x8000000000000000 #x8000000000000000)
+ (verify (signed 64) #x8000000000000000 #x-8000000000000000)
+ (verify (signed 64) #x7fffffffffffffff #x7fffffffffffffff)
+ (verify (unsigned 32) #x0000000180000042 #x80000042)
+ (verify (signed 32) #x0000000180000042 #x-7fffffbe)
+ (verify (signed 32) #xffffffff7fffffff #x7fffffff))
+ #+x86
+ (progn
+ (verify (unsigned 32) #x80000042 #x80000042)
+ (verify (signed 32) #x80000042 #x-7fffffbe)
+ (verify (signed 32) #x7fffffff #x7fffffff))
+ (verify (unsigned 16) #x00018042 #x8042)
+ (verify (signed 16) #x003f8042 #x-7fbe)
+ (verify (signed 16) #x003f7042 #x7042)))
+
+(with-test (:name :bug-654485)
+ ;; DEBUG 2 used to prevent let-conversion of the open-coded ALIEN-FUNCALL body,
+ ;; which in turn led the dreaded %SAP-ALIEN note.
+ (handler-case
+ (compile nil
+ `(lambda (program argv)
+ (declare (optimize (debug 2)))
+ (with-alien ((sys-execv1 (function int c-string (* c-string)) :extern
+ "execv"))
+ (values (alien-funcall sys-execv1 program argv)))))
+ (compiler-note (n)
+ (error "bad note: ~A" n))))
+
+(with-test (:name :bug-721087 :fails-on :win32)
+ (assert (typep nil '(alien c-string)))
+ (assert (not (typep nil '(alien (c-string :not-null t)))))
+ (assert (eq :ok
+ (handler-case
+ (posix-getenv nil)
+ (type-error (e)
+ (when (and (null (type-error-datum e))
+ (equal (type-error-expected-type e)
+ '(alien (c-string :not-null t))))
+ :ok))))))
+
+(with-test (:name :make-alien-string)
+ (let ((alien (sb-alien::make-alien-string "This comes from lisp!")))
+ (gc :full t)
+ (assert (equal "This comes from lisp!" (cast alien c-string)))
+ (free-alien alien)))
+
+(with-test (:name :malloc-failure)
+ (assert (eq :enomem
+ (handler-case
+ (loop repeat 128
+ collect (sb-alien:make-alien char (1- array-total-size-limit)))
+ (storage-condition ()
+ :enomem)))))
+
+(with-test (:name :bug-985505)
+ ;; Check that correct octets are reported for a c-string-decoding error.
+ (assert
+ (eq :unibyte
+ (handler-case
+ (let ((c-string (coerce #(70 111 195 182 0)
+ '(vector (unsigned-byte 8)))))
+ (sb-sys:with-pinned-objects (c-string)
+ (sb-alien::c-string-to-string (sb-sys:vector-sap c-string)
+ :ascii 'character)))
+ (sb-int:c-string-decoding-error (e)
+ (assert (equalp #(195) (sb-int:character-decoding-error-octets e)))
+ :unibyte))))
+ (assert
+ (eq :multibyte-4
+ (handler-case
+ ;; KLUDGE, sort of.
+ ;;
+ ;; C-STRING decoding doesn't know how long the string is, and since this
+ ;; looks like a 4-byte sequence, it will grab 4 octets off the end.
+ ;;
+ ;; So we pad the vector for safety's sake.
+ (let ((c-string (coerce #(70 111 246 0 0 0)
+ '(vector (unsigned-byte 8)))))
+ (sb-sys:with-pinned-objects (c-string)
+ (sb-alien::c-string-to-string (sb-sys:vector-sap c-string)
+ :utf-8 'character)))
+ (sb-int:c-string-decoding-error (e)
+ (assert (equalp #(246 0 0 0)
+ (sb-int:character-decoding-error-octets e)))
+ :multibyte-4))))
+ (assert
+ (eq :multibyte-2
+ (handler-case
+ (let ((c-string (coerce #(70 195 1 182 195 182 0) '(vector (unsigned-byte 8)))))
+ (sb-sys:with-pinned-objects (c-string)
+ (sb-alien::c-string-to-string (sb-sys:vector-sap c-string)
+ :utf-8 'character)))
+ (sb-int:c-string-decoding-error (e)
+ (assert (equalp #(195 1)
+ (sb-int:character-decoding-error-octets e)))
+ :multibyte-2)))))
+
+(with-test (:name :stream-to-c-string-decoding-restart-leakage)
+ ;; Restarts for stream decoding errors didn't use to be associated with
+ ;; their conditions, so they could get confused with c-string decoding errors.
+ (assert (eq :nesting-ok
+ (catch 'out
+ (handler-bind ((sb-int:character-decoding-error
+ (lambda (stream-condition)
+ (handler-bind ((sb-int:character-decoding-error
+ (lambda (c-string-condition)
+ (throw 'out
+ (if (find-restart
+ 'sb-impl::input-replacement
+ c-string-condition)
+ :bad-restart
+ :nesting-ok)))))
+ (let ((c-string (coerce #(70 195 1 182 195 182 0)
+ '(vector (unsigned-byte 8)))))
+ (sb-sys:with-pinned-objects (c-string)
+ (sb-alien::c-string-to-string
+ (sb-sys:vector-sap c-string)
+ :utf-8 'character)))))))
+ (let ((namestring "alien.impure.tmp"))
+ (unwind-protect
+ (progn
+ (with-open-file (f namestring
+ :element-type '(unsigned-byte 8)
+ :direction :output
+ :if-exists :supersede)
+ (dolist (b '(70 195 1 182 195 182 0))
+ (write-byte b f)))
+ (with-open-file (f namestring
+ :external-format :utf-8)
+ (read-line f)))
+ (delete-file namestring))))))))
+
;;; success
projects / sbcl.git / blobdiff