0.8.0.32:

[sbcl.git] / src / code / toplevel.lisp

diff --git a/src/code/toplevel.lisp b/src/code/toplevel.lisp
index c05f092..67bb513 100644 (file)
--- a/src/code/toplevel.lisp
+++ b/src/code/toplevel.lisp
@@ -46,7 +46,7 @@
 ;;; by QUIT) is caught and any final processing and return codes are
 ;;; handled appropriately.
 (defmacro handling-end-of-the-world (&body body)
-  (let ((caught (gensym "CAUGHT")))
+  (with-unique-names (caught)
     `(let ((,caught (catch '%end-of-the-world
                      (/show0 "inside CATCH '%END-OF-THE-WORLD")
                      ,@body)))
@@ -173,7 +173,8 @@
   (let* ((csp (sap-int (sb!c::control-stack-pointer-sap)))
         (initial-offset (logand csp (1- bytes-per-scrub-unit)))
         (end-of-stack
-         (- sb!vm::*control-stack-end* sb!c:*backend-page-size*)))
+         (- (sb!vm:fixnumize sb!vm:*control-stack-end*)
+            sb!c:*backend-page-size*)))
     (labels
        ((scrub (ptr offset count)
           (declare (type system-area-pointer ptr)
@@ -205,7 +206,8 @@
 
   #!+stack-grows-downward-not-upward
   (let* ((csp (sap-int (sb!c::control-stack-pointer-sap)))
-        (end-of-stack (+ sb!vm::*control-stack-start* sb!c:*backend-page-size*))
+        (end-of-stack (+ (sb!vm:fixnumize sb!vm:*control-stack-start*)
+                         sb!c:*backend-page-size*))
         (initial-offset (logand csp (1- bytes-per-scrub-unit))))
     (labels
        ((scrub (ptr offset count)
@@ -521,7 +523,7 @@
           ;; have unwound enough stack by the time we get here that this
           ;; is now possible
           (sb!kernel::protect-control-stack-guard-page 1)
-          (repl noprint)
+          (funcall *repl-fun* noprint)
           (critically-unreachable "after REPL")))))))
 
 ;;; Our default REPL prompt is the minimal traditional one.
@@ -550,8 +552,11 @@
 (defvar *repl-prompt-fun* #'repl-prompt-fun
   "a function of one argument STREAM for the toplevel REPL to call: Prompt
   the user for input.")
+(defvar *repl-fun* #'repl-fun
+  "a function of one argument NOPRINT that provides the REPL for the system.
+  Assumes that *standard-input* and *standard-output* are setup.")
 
-(defun repl (noprint)
+(defun repl-fun (noprint)
   (/show0 "entering REPL")
   (loop
    ;; (See comment preceding the definition of SCRUB-CONTROL-STACK.)