(defvar *required-alignment*
#+(and ppc darwin) 16
#+(and ppc linux) 16
- #+(or mips x86-64) 8
+ #+x86-64 16
+ #+(or mips) 8
#+x86 4
#-(or x86 x86-64 mips (and ppc (or darwin linux))) (error "Unknown platform"))
;;;; fork/exec, so that no lisp is on the stack. This is our known-good
;;;; number.
-(run "cc" "stack-alignment-offset.c" "-o" "stack-alignment-offset")
+(run "cc"
+ #+x86-64 "-fPIC"
+ "stack-alignment-offset.c" "-o" "stack-alignment-offset")
(defparameter *good-offset*
(parse-integer (run "./stack-alignment-offset"
;;;; 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")
;;;; Now get the offset by calling from lisp, first with a regular foreign function
;;;; call, then with an intervening callback.
-(assert (= *good-offset* (stack-alignment-offset *required-alignment*)))
+(with-test (:name :regular)
+ (assert (= *good-offset* (stack-alignment-offset *required-alignment*))))
-(assert (= *good-offset* (trampoline (alien-lambda int ()
- (stack-alignment-offset *required-alignment*)))))
+(with-test (:name :callback)
+ (assert (= *good-offset* (trampoline (alien-lambda int ()
+ (stack-alignment-offset *required-alignment*))))))
;;;; success!
;;; checkins which aren't released. (And occasionally for internal
;;; versions, especially for internal versions off the main CVS
;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.9.6.40"
+"0.9.6.41"