X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fcross-misc.lisp;h=70d6f35816b41bfa27968fba9e31609d14d32a82;hb=71bc8b09fc75083ea4bb2aee954abca1f1e1f214;hp=0d68f251cc9b15c1ac5b3c0636a6b8e1c17f7f52;hpb=a8166c109a5ae1ebaa0204946c0f720e1acb700e;p=sbcl.git

diff --git a/src/code/cross-misc.lisp b/src/code/cross-misc.lisp
index 0d68f25..70d6f35 100644
--- a/src/code/cross-misc.lisp
+++ b/src/code/cross-misc.lisp
@@ -29,16 +29,27 @@
 ;;; use address-dependent (and thus GC-dependent) hashes, and we only
 ;;; have a single thread of control.
 (defmacro without-interrupts (&rest forms)
-  `(progn ,@forms))
-
-;;; When we're running as a cross-compiler in an arbitrary host ANSI
-;;; Lisp, we shouldn't be doing anything which is sensitive to GC.
-;;; KLUDGE: I (WHN 19990131) think the proper long-term solution would
-;;; be to remove any operations from cross-compiler source files
-;;; (putting them in target-only source files) if they refer to these
-;;; hooks. This is a short-term hack.
-(defvar *before-gc-hooks* nil)
-(defvar *after-gc-hooks* nil)
+  `(macrolet ((allow-with-interrupts (&body body)
+                `(progn ,@body))
+              (with-local-interrupts (&body body)
+                `(progn ,@body)))
+     ,@forms))
+
+(defmacro with-locked-hash-table ((table) &body body)
+  (declare (ignore table))
+  `(progn ,@body))
+
+(defmacro with-locked-system-table ((table) &body body)
+  (declare (ignore table))
+  `(progn ,@body))
+
+(defmacro defglobal (name value &rest doc)
+  `(eval-when (:compile-toplevel :load-toplevel :execute)
+     (defparameter ,name
+       (if (boundp ',name)
+           (symbol-value ',name)
+           ,value)
+       ,@doc)))
 
 ;;; The GENESIS function works with fasl code which would, in the
 ;;; target SBCL, work on ANSI-STREAMs (streams which aren't extended
@@ -46,13 +57,19 @@
 ;;; CL:STREAM.
 (deftype ansi-stream () 'stream)
 
-;;; In the target SBCL, the INSTANCE type refers to a base
-;;; implementation for compound types. There's no way to express
-;;; exactly that concept portably, but we can get essentially the same
-;;; effect by testing for any of the standard types which would, in
-;;; the target SBCL, be derived from INSTANCE:
 (deftype sb!kernel:instance ()
-  '(or condition standard-object structure-object))
+  '(or condition structure-object standard-object))
+(deftype sb!kernel:funcallable-instance ()
+  (error "not clear how to represent FUNCALLABLE-INSTANCE type"))
+
+;;; In the target SBCL, the INSTANCE type refers to a base
+;;; implementation for compound types with lowtag
+;;; INSTANCE-POINTER-LOWTAG. There's no way to express exactly that
+;;; concept portably, but we can get essentially the same effect by
+;;; testing for any of the standard types which would, in the target
+;;; SBCL, be derived from INSTANCE:
+(defun %instancep (x)
+  (typep x '(or condition structure-object standard-object)))
 
 ;;; There aren't any FUNCALLABLE-INSTANCEs in the cross-compilation
 ;;; host Common Lisp.
@@ -72,7 +89,7 @@
 (defun sb!kernel:array-header-p (x)
   (and (typep x 'array)
        (or (not (typep x 'simple-array))
-	   (/= (array-rank x) 1))))
+           (/= (array-rank x) 1))))
 
 ;;; GENESIS needs these at cross-compile time. The target
 ;;; implementation of these is reasonably efficient by virtue of its
@@ -89,10 +106,10 @@
       ;; of this function at cross-compile time don't really care if
       ;; the count is a little too high.) -- WHN 19990826
       (multiple-value-bind (symbol status)
-	  (find-symbol (symbol-name i) package)
-	(declare (ignore symbol))
-	(when (member status '(:internal :inherited))
-	  (incf result))))
+          (find-symbol (symbol-name i) package)
+        (declare (ignore symbol))
+        (when (member status '(:internal :inherited))
+          (incf result))))
     result))
 (defun package-external-symbol-count (package)
   (let ((result 0))
@@ -120,6 +137,15 @@
   (declare (type symbol symbol))
   (sxhash symbol))
 
+(defvar sb!xc:*gensym-counter* 0)
+
+(defun sb!xc:gensym (&optional (thing "G"))
+  (declare (type string thing))
+  (let ((n sb!xc:*gensym-counter*))
+    (prog1
+        (make-symbol (concatenate 'string thing (write-to-string n :base 10 :radix nil :pretty nil)))
+      (incf sb!xc:*gensym-counter*))))
+
 ;;; These functions are needed for constant-folding.
 (defun sb!kernel:simple-array-nil-p (object)
   (when (typep object 'array)
@@ -145,9 +171,33 @@
   (assert (typep array '(simple-array * (*))))
   (values array start end 0))
 
-#!+sparc
-(progn
-  (defun sb!vm::ash-right-signed (num shift)
-    (ash num (- shift)))
-  (defun sb!vm::ash-right-unsigned (num shift)
-    (ash num (- shift))))
+(defun sb!kernel:%with-array-data/fp (array start end)
+  (assert (typep array '(simple-array * (*))))
+  (values array start end 0))
+
+(defun sb!kernel:signed-byte-32-p (number)
+  (typep number '(signed-byte 32)))
+
+;;; package locking nops for the cross-compiler
+
+(defmacro without-package-locks (&body body)
+  `(progn ,@body))
+
+(defmacro with-single-package-locked-error ((&optional kind thing &rest format)
+                                            &body body)
+  (declare (ignore kind thing format))
+  `(progn ,@body))
+
+(defun program-assert-symbol-home-package-unlocked (context symbol control)
+  (declare (ignore context control))
+  symbol)
+
+(defun assert-package-unlocked (package &optional control &rest args)
+  (declare (ignore control args))
+  package)
+
+(defun assert-symbol-home-package-unlocked (name format &key continuablep)
+  (declare (ignore format continuablep))
+  name)
+
+(declaim (declaration enable-package-locks disable-package-locks))