X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fforeign.lisp;h=fdf3275bbd0be2424f8922101a95b1c866fa0818;hb=9b1fade83db8453b75b8c7380eb12ce41b5b889c;hp=096a833e345c83cb5b7525e6a364710a499a2f7a;hpb=8e7fa9c4b2c1fd2353414d726efad1607f6badd1;p=sbcl.git

diff --git a/src/code/foreign.lisp b/src/code/foreign.lisp
index 096a833..fdf3275 100644
--- a/src/code/foreign.lisp
+++ b/src/code/foreign.lisp
@@ -34,7 +34,10 @@
   (let ((extern (extern-alien-name name)))
     (values
      (or (gethash extern table)
-         (gethash (concatenate 'base-string "ldso_stub__" extern) table)))))
+         (gethash (concatenate 'base-string
+                               #!+(and darwin (or x86 x86-64 ppc)) "_ldso_stub__"
+                               #!-(and darwin (or x86 x86-64 ppc)) "ldso_stub__"
+                               extern) table)))))
 
 (defun find-foreign-symbol-address (name)
   "Returns the address of the foreign symbol NAME, or NIL. Does not enter the
@@ -95,7 +98,11 @@ if the symbol isn't found."
   #!+os-provides-dlopen
   (reopen-shared-objects)
   #!+linkage-table
-  (update-linkage-table))
+  ;; Don't warn about undefined aliens on startup. The same core can
+  ;; reasonably be expected to work with different versions of the
+  ;; same library.
+  (handler-bind ((style-warning #'muffle-warning))
+    (update-linkage-table)))
 
 ;;; Cleanups before saving a core
 #-sb-xc-host
@@ -122,13 +129,12 @@ if the symbol isn't found."
     (when (<= sb!vm:linkage-table-space-start
               addr
               sb!vm:linkage-table-space-end)
-      (maphash (lambda (name-and-datap info)
-                 (let ((table-addr (linkage-info-address info)))
-                   (when (<= table-addr
-                             addr
-                             (+ table-addr sb!vm:linkage-table-entry-size))
-                     (return-from sap-foreign-symbol (car name-and-datap)))))
-               *linkage-info*))
+      (dohash ((name-and-datap info) *linkage-info* :locked t)
+        (let ((table-addr (linkage-info-address info)))
+          (when (<= table-addr
+                    addr
+                    (+ table-addr sb!vm:linkage-table-entry-size))
+            (return-from sap-foreign-symbol (car name-and-datap))))))
     #!+os-provides-dladdr
     (with-alien ((info (struct dl-info
                                (filename c-string)