;;; addressable object
(def!constant n-byte-bits 8)
-;;; the number of bits to shift between word addresses and byte addresses
-(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits))))
-
-;;; the number of bytes in a word
-(def!constant n-word-bytes (/ n-word-bits n-byte-bits))
-
(def!constant float-sign-shift 31)
;;; comment from CMU CL:
;;; These values were taken from the alpha code. The values for
;;; bias and exponent min/max are not the same as shown in the 486 book.
;;; They may be correct for how Python uses them.
-(def!constant single-float-bias 126) ; Intel says 127.
+(def!constant single-float-bias 126) ; Intel says 127.
(defconstant-eqx single-float-exponent-byte (byte 8 23) #'equalp)
(defconstant-eqx single-float-significand-byte (byte 23 0) #'equalp)
;;; comment from CMU CL:
(defconstant-eqx long-float-significand-byte (byte 31 0) #'equalp)
(def!constant long-float-normal-exponent-min 1)
(def!constant long-float-normal-exponent-max #x7FFE)
-(def!constant long-float-hidden-bit (ash 1 31)) ; actually not hidden
+(def!constant long-float-hidden-bit (ash 1 31)) ; actually not hidden
(def!constant long-float-trapping-nan-bit (ash 1 30))
(def!constant single-float-digits
(+ (byte-size long-float-significand-byte) n-word-bits 1))
;;; pfw -- from i486 microprocessor programmer's reference manual
-(def!constant float-invalid-trap-bit (ash 1 0))
+(def!constant float-invalid-trap-bit (ash 1 0))
(def!constant float-denormal-trap-bit (ash 1 1))
(def!constant float-divide-by-zero-trap-bit (ash 1 2))
(def!constant float-overflow-trap-bit (ash 1 3))
(def!constant float-underflow-trap-bit (ash 1 4))
-(def!constant float-inexact-trap-bit (ash 1 5))
+(def!constant float-inexact-trap-bit (ash 1 5))
(def!constant float-round-to-nearest 0)
(def!constant float-round-to-negative 1)
(def!constant float-round-to-positive 2)
(def!constant float-round-to-zero 3)
+(def!constant float-precision-24-bit 0)
+(def!constant float-precision-53-bit 2)
+(def!constant float-precision-64-bit 3)
+
(defconstant-eqx float-rounding-mode (byte 2 10) #'equalp)
(defconstant-eqx float-sticky-bits (byte 6 16) #'equalp)
(defconstant-eqx float-traps-byte (byte 6 0) #'equalp)
#!+linux
(progn
+ (def!constant read-only-space-start #x01000000)
+ (def!constant read-only-space-end #x037ff000)
- (def!constant read-only-space-start #x01000000)
- (def!constant read-only-space-end #x037ff000)
+ (def!constant static-space-start #x05000000)
+ (def!constant static-space-end #x07fff000)
- (def!constant static-space-start #x05000000)
- (def!constant static-space-end #x07fff000)
+ (def!constant dynamic-space-start #x09000000)
+ (def!constant dynamic-space-end #x29000000)
- (def!constant dynamic-space-start #x09000000)
- (def!constant dynamic-space-end #x29000000))
+ (def!constant linkage-table-space-start #x70000000)
+ (def!constant linkage-table-space-end #x7ffff000))
-#!+(or freebsd openbsd)
+#!+freebsd
(progn
+ (def!constant read-only-space-start #x10000000)
+ (def!constant read-only-space-end #x1ffff000)
- (def!constant read-only-space-start #x10000000)
- (def!constant read-only-space-end #x1ffff000)
+ (def!constant static-space-start #x30000000)
+ (def!constant static-space-end #x37fff000)
- (def!constant static-space-start
- #!+freebsd #x30000000
- #!+openbsd #x28000000)
- (def!constant static-space-end #x37fff000)
+ (def!constant dynamic-space-start #x48000000)
+ (def!constant dynamic-space-end #x88000000)
+
+ ;; In CMUCL: 0xB0000000->0xB1000000
+ (def!constant linkage-table-space-start #x90000000)
+ (def!constant linkage-table-space-end #x91000000))
+
+#!+openbsd
+(progn
+ (def!constant read-only-space-start #x40000000)
+ (def!constant read-only-space-end #x47fff000)
- (def!constant dynamic-space-start
- #!+freebsd #x48000000
- #!+openbsd #x50000000)
- (def!constant dynamic-space-end #x88000000))
+ (def!constant static-space-start #x50000000)
+ (def!constant static-space-end #x5ffff000)
+
+ (def!constant dynamic-space-start #x80000000)
+ (def!constant dynamic-space-end #xA0000000)
+
+ ;; In CMUCL: 0xB0000000->0xB1000000
+ (def!constant linkage-table-space-start #xA0000000)
+ (def!constant linkage-table-space-end #xA1000000))
#!+netbsd
(progn
+ (def!constant read-only-space-start #x20000000)
+ (def!constant read-only-space-end #x2ffff000)
- (def!constant read-only-space-start #x20000000)
- (def!constant read-only-space-end #x2ffff000)
+ (def!constant static-space-start #x30000000)
+ (def!constant static-space-end #x37fff000)
- (def!constant static-space-start #x30000000)
- (def!constant static-space-end #x37fff000)
+ (def!constant dynamic-space-start #x60000000)
+ (def!constant dynamic-space-end #x98000000)
- (def!constant dynamic-space-start #x60000000)
- (def!constant dynamic-space-end #x98000000))
+ ;; In CMUCL: 0xB0000000->0xB1000000
+ (def!constant linkage-table-space-start #xA0000000)
+ (def!constant linkage-table-space-end #xA1000000))
+;;; Size of one linkage-table entry in bytes.
+(def!constant linkage-table-entry-size 8)
;;; Given that NIL is the first thing allocated in static space, we
;;; know its value at compile time:
sub-gc
sb!kernel::internal-error
sb!kernel::control-stack-exhausted-error
+ sb!kernel::undefined-alien-variable-error
+ sb!kernel::undefined-alien-function-error
+ sb!kernel::memory-fault-error
sb!di::handle-breakpoint
fdefinition-object
- #!+sb-thread sb!thread::handle-thread-exit
;; free pointers
- ;;
+ ;;
;; Note that these are FIXNUM word counts, not (as one might
;; expect) byte counts or SAPs. The reason seems to be that by
- ;; representing them this way, we can avoid consing bignums.
+ ;; representing them this way, we can avoid consing bignums.
;; -- WHN 2000-10-02
*read-only-space-free-pointer*
*static-space-free-pointer*
*free-interrupt-context-index*
*free-tls-index*
-
+
*allocation-pointer*
*binding-stack-pointer*
*binding-stack-start*
*control-stack-start*
*control-stack-end*
+ *need-to-collect-garbage*
+
;; the floating point constants
*fp-constant-0d0*
*fp-constant-1d0*
;; FIXME: In SBCL, the CLOS code has become sufficiently tightly
;; integrated into the system that it'd probably make sense to use
;; the ordinary unbound marker for this.
- sb!pcl::..slot-unbound..))
+ sb!pcl::..slot-unbound..
+ ))
(defparameter *static-funs*
'(length
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