(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.")
;;;
;;; 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))
\f
(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)
*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
*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*