X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Fmacros.lisp;h=a4da8d3a0b9ec53bc4701e67ee854f1b269fb2f2;hb=359a6c88dfc80fbae9bdae5251ce0976d003355c;hp=230bde16554e994e6bb04817c24b7514ec191940;hpb=670010e3f3dcd62efaf23f61abdc73950edb88c6;p=sbcl.git

diff --git a/src/compiler/ppc/macros.lisp b/src/compiler/ppc/macros.lisp
index 230bde1..a4da8d3 100644
--- a/src/compiler/ppc/macros.lisp
+++ b/src/compiler/ppc/macros.lisp
@@ -76,8 +76,8 @@
   "Jump to the lisp function FUNCTION.  LIP is an interior-reg temporary."
   `(progn
     ;; something is deeply bogus.  look at this
-    ;; (loadw ,lip ,function sb!vm:function-code-offset sb!vm:function-pointer-type)
-    (inst addi ,lip ,function (- (* n-word-bytes sb!vm:simple-fun-code-offset) sb!vm:fun-pointer-lowtag))
+    ;; (loadw ,lip ,function function-code-offset function-pointer-type)
+    (inst addi ,lip ,function (- (* n-word-bytes simple-fun-code-offset) fun-pointer-lowtag))
     (inst mtctr ,lip)
     (move code-tn ,function)
     (inst bctr)))
@@ -238,3 +238,12 @@
 
 
 
+
+(defmacro sb!sys::with-pinned-objects ((&rest objects) &body body)
+  "Arrange with the garbage collector that the pages occupied by
+OBJECTS will not be moved in memory for the duration of BODY.
+Useful for e.g. foreign calls where another thread may trigger
+garbage collection.  This is currently implemented by disabling GC"
+  (declare (ignore objects))		;should we eval these for side-effect?
+  `(without-gcing
+    ,@body))