X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fgeneric%2Fobjdef.lisp;h=2f455da8c3170a04d7f3764ea692ae764b83a198;hb=5d04a95274c9ddaebbcd6ddffc5d646e2c25598c;hp=15d86cc2417c2ab6f7662f630faf97cc3a05ca3d;hpb=45b5a21316381ecab98a0e5a5296294e044170e8;p=sbcl.git

diff --git a/src/compiler/generic/objdef.lisp b/src/compiler/generic/objdef.lisp
index 15d86cc..2f455da 100644
--- a/src/compiler/generic/objdef.lisp
+++ b/src/compiler/generic/objdef.lisp
@@ -40,8 +40,10 @@
 
 (define-primitive-object (cons :lowtag list-pointer-lowtag
                                :alloc-trans cons)
-  (car :ref-trans car :set-trans sb!c::%rplaca :init :arg)
-  (cdr :ref-trans cdr :set-trans sb!c::%rplacd :init :arg))
+  (car :ref-trans car :set-trans sb!c::%rplaca :init :arg
+       :cas-trans %compare-and-swap-car)
+  (cdr :ref-trans cdr :set-trans sb!c::%rplacd :init :arg
+       :cas-trans %compare-and-swap-cdr))
 
 (define-primitive-object (instance :lowtag instance-pointer-lowtag
                                    :widetag instance-header-widetag
@@ -239,6 +241,8 @@
 
 (define-primitive-object (value-cell :lowtag other-pointer-lowtag
                                      :widetag value-cell-header-widetag
+                                     ;; FIXME: We also have an explicit VOP
+                                     ;; for this. Is this needed as well?
                                      :alloc-trans make-value-cell)
   (value :set-trans value-cell-set
          :set-known (unsafe)
@@ -321,6 +325,8 @@
 
   (plist :ref-trans symbol-plist
          :set-trans %set-symbol-plist
+         :cas-trans %compare-and-swap-symbol-plist
+         :type list
          :init :null)
   (name :ref-trans symbol-name :init :arg)
   (package :ref-trans symbol-package
@@ -370,6 +376,13 @@
   ;; of a symbol is initialized to zero
   (no-tls-value-marker)
   (os-thread :c-type "volatile os_thread_t")
+  ;; This is the original address at which the memory was allocated,
+  ;; which may have different alignment then what we prefer to use.
+  ;; Kept here so that when the thread dies we can releast the whole
+  ;; memory we reserved.
+  (os-address :c-type "void *" :length #!+alpha 2 #!-alpha 1)
+  #!+sb-thread
+  (os-attr :c-type "pthread_attr_t *" :length #!+alpha 2 #!-alpha 1)
   (binding-stack-start :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
   (binding-stack-pointer :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
   (control-stack-start :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)