(output
(with-output-to-string (s)
(setf proc (run-program program arguments
- :search (not (eql #\. (char program 0)))
:output s)))))
(unless (zerop (process-exit-code proc))
(error "Bad exit code: ~S~%Output:~% ~S"
(defvar *required-alignment*
#+(and ppc darwin) 16
- #+(and ppc linux) 16
+ #+(and ppc (not darwin)) 8
#+x86-64 16
#+mips 8
- #+x86 4
- #-(or x86 x86-64 mips (and ppc (or darwin linux))) (error "Unknown platform"))
+ #+(and x86 (not darwin)) 4
+ #+(and x86 darwin) 16
+ #-(or x86 x86-64 mips ppc) (error "Unknown platform"))
;;;; Build the offset-tool as regular excutable, and run it with
;;;; fork/exec, so that no lisp is on the stack. This is our known-good
;;;; number.
-(run "cc"
- #+x86-64 "-fPIC"
- "stack-alignment-offset.c" "-o" "stack-alignment-offset")
+#-win32
+(progn
+ (run "/bin/sh" "run-compiler.sh" "-sbcl-pic"
+ "stack-alignment-offset.c" "-o" "stack-alignment-offset")
-(defparameter *good-offset*
- (parse-integer (run "./stack-alignment-offset"
- (princ-to-string *required-alignment*))))
+ (defparameter *good-offset*
+ (parse-integer (run "./stack-alignment-offset"
+ (princ-to-string *required-alignment*))))
-;;;; Build the tool again, this time as a shared object, and load it
+ ;; Build the tool again, this time as a shared object, and load it
-(run "cc" "stack-alignment-offset.c"
- #+x86-64 "-fPIC"
- #+darwin "-bundle" #-darwin "-shared"
- "-o" "stack-alignment-offset.so")
+ (run "/bin/sh" "run-compiler.sh" "-sbcl-pic" "-sbcl-shared"
+ "stack-alignment-offset.c" "-o" "stack-alignment-offset.so")
-(load-shared-object "stack-alignment-offset.so")
+ (load-shared-object (truename "stack-alignment-offset.so"))
-(define-alien-routine stack-alignment-offset int (alignment int))
-(define-alien-routine trampoline int (callback (function int)))
+ (define-alien-routine stack-alignment-offset int (alignment int))
+ (define-alien-routine trampoline int (callback (function int))))
;;;; Now get the offset by calling from lisp, first with a regular foreign function
;;;; call, then with an intervening callback.
-(with-test (:name :regular)
+(with-test (:name :regular :fails-on :win32)
(assert (= *good-offset* (stack-alignment-offset *required-alignment*))))
-(with-test (:name :callback)
+(with-test (:name :callback :fails-on :win32)
(assert (= *good-offset* (trampoline (alien-lambda int ()
(stack-alignment-offset *required-alignment*))))))
+(when (probe-file "stack-alignment-offset.so")
+ (delete-file "stack-alignment-offset")
+ (delete-file "stack-alignment-offset.so"))
+
;;;; success!