X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Fparms.lisp;h=9a784d37031cc0ef5ff3cd45684c510985257ba8;hb=c7de1989d006e0b3a4f26143b7a81c9bdb754101;hp=72e930fec764256277b99730bd464dfb1bada57b;hpb=c81c32ef8a737b0cc61d3c0c6a137cab39baac73;p=sbcl.git

diff --git a/src/compiler/ppc/parms.lisp b/src/compiler/ppc/parms.lisp
index 72e930f..9a784d3 100644
--- a/src/compiler/ppc/parms.lisp
+++ b/src/compiler/ppc/parms.lisp
@@ -8,6 +8,10 @@
 (def!constant n-word-bits 32
   "Number of bits per word where a word holds one lisp descriptor.")
 
+;;; the natural width of a machine word (as seen in e.g. register width,
+;;; address space)
+(def!constant n-machine-word-bits 32)
+
 (def!constant n-byte-bits 8
   "Number of bits per byte where a byte is the smallest addressable object.")
 
@@ -79,10 +83,12 @@
 ;;;
 ;;; The number of bytes reserved above the number stack pointer.  These
 ;;; slots are required by architecture, mostly (?) to make C backtrace
-;;; work.
+;;; work. This must be a power of 2 - see BYTES-REQUIRED-FOR-NUMBER-STACK.
 ;;; 
 (def!constant number-stack-displacement
-  (* 2 sb!vm:n-word-bytes))
+  (* #!-darwin 2
+     #!+darwin 8
+     sb!vm:n-word-bytes))
 
 
 
@@ -93,12 +99,6 @@
 (def!constant read-only-space-start #x01000000)
 (def!constant read-only-space-end   #x04ff8000)
 
-(def!constant binding-stack-start   #x06000000)
-(def!constant binding-stack-end     #x06ff0000)
-
-(def!constant control-stack-start   #x07000000)
-(def!constant control-stack-end     #x07ff0000)
-
 (def!constant static-space-start    #x08000000)
 (def!constant static-space-end      #x097fff00)
 
@@ -158,8 +158,9 @@
     *posix-argv*
 
     ;; functions that the C code needs to call
-    sb!impl::maybe-gc
+    sb!impl::sub-gc
     sb!kernel::internal-error
+    sb!kernel::control-stack-exhausted-error
     sb!di::handle-breakpoint
     sb!impl::fdefinition-object
 
@@ -172,12 +173,16 @@
     *current-catch-block*
     *current-unwind-protect-block*
 
+    *binding-stack-start*
+    *control-stack-start*
+    *control-stack-end*
+
     ;; interrupt handling
     *free-interrupt-context-index*
     sb!unix::*interrupts-enabled*
     sb!unix::*interrupt-pending*
 
-    #|sb!kernel::*current-thread*|#
+
     ))
 
 (defparameter *static-funs*