X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=234421d9d82afc4f4861c4ec2a56f8296a7465d2;hb=b7a8f5313a83dea33ce60551a4fb987b415c2cc6;hp=8e3ee8ff10b6cea46e2b9b2d8b6d5822ff439add;hpb=e365f2f7a9c66d307b48fee70778f4eaa84bdcc0;p=sbcl.git

diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp
index 8e3ee8f..234421d 100644
--- a/src/compiler/x86/parms.lisp
+++ b/src/compiler/x86/parms.lisp
@@ -27,6 +27,10 @@
 ;;; the number of bits per word, where a word holds one lisp descriptor
 (def!constant n-word-bits 32)
 
+;;; the natural width of a machine word (as seen in e.g. register width,
+;;; address space)
+(def!constant n-machine-word-bits 32)
+
 ;;; the number of bits per byte, where a byte is the smallest
 ;;; addressable object
 (def!constant n-byte-bits 8)
@@ -142,9 +146,7 @@
   (def!constant static-space-end      #x07fff000)
 
   (def!constant dynamic-space-start   #x09000000)
-  (def!constant dynamic-space-end     #x29000000)
-
-  (def!constant alternate-signal-stack-start #x58000000))
+  (def!constant dynamic-space-end     #x29000000))
 
 #!+bsd
 (progn
@@ -160,14 +162,7 @@
   (def!constant dynamic-space-start
     #!+freebsd                             #x48000000
     #!+openbsd                             #x50000000)
-  (def!constant dynamic-space-end          #x88000000)
-  (def!constant alternate-signal-stack-start
-      #!+freebsd #x44000000
-      #!+openbsd #x4c000000))
-
-
-;;; don't need alternate-signal-stack-end : it's -start+SIGSTKSZ
-
+  (def!constant dynamic-space-end          #x88000000))
 
 ;;; Given that NIL is the first thing allocated in static space, we
 ;;; know its value at compile time:
@@ -226,7 +221,7 @@
 
     ;; functions that the C code needs to call.  When adding to this list,
     ;; also add a `frob' form in genesis.lisp finish-symbols.
-    maybe-gc
+    sub-gc
     sb!kernel::internal-error
     sb!kernel::control-stack-exhausted-error
     sb!di::handle-breakpoint
@@ -261,6 +256,7 @@
     *binding-stack-pointer*
     *binding-stack-start*
     *control-stack-start*
+    *control-stack-end*
 
     ;; the floating point constants
     *fp-constant-0d0*