#!+sb-doc
"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
#!+sb-doc
"Number of bits per byte where a byte is the smallest addressable object.")
#!+sb-doc
"Number of bytes in a word.")
-(def!constant n-fixnum-tag-bits (1- n-lowtag-bits)
- #!+sb-doc
- "Number of tag bits used for a fixnum")
-
-(def!constant fixnum-tag-mask (1- (ash 1 n-fixnum-tag-bits))
- #!+sb-doc
- "Mask to get the fixnum tag")
-
-(def!constant n-positive-fixnum-bits (- n-word-bits n-fixnum-tag-bits 1)
- #!+sb-doc
- "Maximum number of bits in a positive fixnum")
-
(def!constant float-sign-shift 31)
(def!constant single-float-bias 126)
(def!constant dynamic-0-space-end #x38000000)
(def!constant dynamic-1-space-start #x40000000)
- (def!constant dynamic-1-space-end #x48000000)
-
- (def!constant control-stack-start #x50000000)
- (def!constant control-stack-end #x51000000)
-
- (def!constant binding-stack-start #x60000000)
- (def!constant binding-stack-end #x61000000))
+ (def!constant dynamic-1-space-end #x48000000))
#!+sunos ; might as well start by trying the same numbers
(progn
(def!constant dynamic-0-space-end #x38000000)
(def!constant dynamic-1-space-start #x40000000)
- (def!constant dynamic-1-space-end #x48000000)
-
- (def!constant control-stack-start #x50000000)
- (def!constant control-stack-end #x51000000)
-
- (def!constant binding-stack-start #x60000000)
- (def!constant binding-stack-end #x61000000))
+ (def!constant dynamic-1-space-end #x48000000))
\f
;;;; other random constants.
sb!impl::*!initial-fdefn-objects*
;; functions that the C code needs to call
- maybe-gc
+ sub-gc
sb!kernel::internal-error
+ sb!kernel::control-stack-exhausted-error
sb!di::handle-breakpoint
sb!di::handle-fun-end-breakpoint
*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*
'(length
two-arg-+ two-arg-- two-arg-* two-arg-/ two-arg-< two-arg-> two-arg-=
two-arg-<= two-arg->= two-arg-/= eql %negate
- two-arg-and two-arg-ior two-arg-xor
+ two-arg-and two-arg-ior two-arg-xor two-arg-eqv
two-arg-gcd two-arg-lcm
))
\f