(eval-when (:compile-toplevel :load-toplevel :execute)
-(def!constant n-word-bits 32
- #!+sb-doc
- "Number of bits per word where a word holds one lisp descriptor.")
+;;; number of bits per word where a word holds one lisp descriptor
+(def!constant n-word-bits 32)
-(def!constant n-byte-bits 8
- #!+sb-doc
- "Number of bits per byte where a byte is the smallest addressable object.")
+;;; the natural width of a machine word (as seen in e.g. register width,
+;;; address space)
+(def!constant n-machine-word-bits 64)
-(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits)))
- #!+sb-doc
- "Number of bits to shift between word addresses and byte addresses.")
-
-(def!constant n-word-bytes (/ n-word-bits n-byte-bits)
- #!+sb-doc
- "Number of bytes in a word.")
+;;; number of bits per byte where a byte is the smallest addressable
+;;; object
+(def!constant n-byte-bits 8)
(def!constant float-sign-shift 31)
(def!constant float-overflow-trap-bit (ash 1 2)) ; ro
(def!constant float-divide-by-zero-trap-bit (ash 1 1)) ; ro
(def!constant float-invalid-trap-bit (ash 1 0)) ; ro
-(defconstant-eqx float-traps-byte (byte 6 1) #'equalp)
+(defconstant-eqx float-traps-byte (byte 6 1) #'equalp)
;;; exceptions are also read/written in software (by syscalls, no less).
;;; This is kind of dumb, but has to be done
-(defconstant-eqx float-sticky-bits (byte 6 17) #'equalp) ; fp_control
+(defconstant-eqx float-sticky-bits (byte 6 17) #'equalp) ; fp_control
;;; (We don't actually _have_ "current exceptions" on Alpha; the
;;; hardware only ever sets bits. So, set this the same as accrued
(def!constant float-round-to-negative 1)
(def!constant float-round-to-nearest 2)
(def!constant float-round-to-positive 3)
-(defconstant-eqx float-rounding-mode (byte 2 58) #'equalp)
+(defconstant-eqx float-rounding-mode (byte 2 58) #'equalp)
;;; Miscellaneous stuff - I think it's far to say that you deserve
;;; what you get if you ask for fast mode.
#!+linux
(progn
(def!constant read-only-space-start #x20000000)
- (def!constant read-only-space-end #x24000000)
-
- (def!constant static-space-start #x28000000)
- (def!constant static-space-end #x2c000000)
-
- ;; this is used in PURIFY as part of a sloppy check to see if a pointer
- ;; is in dynamic space. Chocolate brownie for the first person to fix it
- ;; -dan 20010502
- (def!constant dynamic-space-start #x30000000)
- (def!constant dynamic-space-end #x3fff0000)
+ (def!constant read-only-space-end #x24000000))
- (def!constant dynamic-0-space-start #x30000000)
- (def!constant dynamic-0-space-end #x3fff0000)
-
- (def!constant dynamic-1-space-start #x40000000)
- (def!constant dynamic-1-space-end #x4fff0000)
+#!+osf1
+(progn
+ (defconstant read-only-space-start #x10000000)
+ (defconstant read-only-space-end #x25000000))
- (def!constant control-stack-start #x50000000)
- (def!constant control-stack-end #x51000000)
- (def!constant binding-stack-start #x70000000)
- (def!constant binding-stack-end #x71000000))
+(def!constant static-space-start #x28000000)
+(def!constant static-space-end #x2c000000)
-#!+osf1 ;as if
-(progn
- (defparameter read-only-space-start #x10000000)
- (defparameter static-space-start #x28000000)
- (defparameter dynamic-space-start #x30000000))
+(def!constant dynamic-0-space-start #x30000000)
+(def!constant dynamic-0-space-end #x3fff0000)
+(def!constant dynamic-1-space-start #x40000000)
+(def!constant dynamic-1-space-end #x4fff0000)
;;; FIXME nothing refers to either of these in alpha or x86 cmucl
;;; backend, so they could probably be removed.
\f
;;;; other miscellaneous constants
-(defenum (:suffix -trap :start 8)
- halt
- pending-interrupt
- error
- cerror
- breakpoint
- fun-end-breakpoint
- single-step-breakpoint)
-
-(defenum (:prefix trace-table-)
- normal
- call-site
- fun-prologue
- fun-epilogue)
+(defenum (:start 8)
+ halt-trap
+ pending-interrupt-trap
+ error-trap
+ cerror-trap
+ breakpoint-trap
+ fun-end-breakpoint-trap
+ single-step-breakpoint-trap
+ ;; Stepper actually not implemented on Alpha, but these constants
+ ;; are still needed to avoid undefined variable warnings during sbcl
+ ;; build.
+ single-step-around-trap
+ single-step-before-trap)
\f
;;;; static symbols
;;; can be loaded directly out of them by indirecting relative to NIL.
;;;
(defparameter *static-symbols*
- '(t
-
- ;; The C startup code must fill these in.
- *posix-argv*
- ;;lisp::lisp-environment-list
- ;;lisp::lisp-command-line-list
- sb!impl::*!initial-fdefn-objects*
-
- ;; Functions that the C code needs to call
- maybe-gc
- sb!kernel::internal-error
- sb!di::handle-breakpoint
- sb!di::handle-fun-end-breakpoint
-
- ;; free Pointers
- *read-only-space-free-pointer*
- *static-space-free-pointer*
- *initial-dynamic-space-free-pointer*
-
- ;; things needed for non-local exit
- *current-catch-block*
- *current-unwind-protect-block*
-
- ;; interrupt handling
- *free-interrupt-context-index*
- sb!unix::*interrupts-enabled*
- sb!unix::*interrupt-pending*))
+ (append
+ *common-static-symbols*
+ *c-callable-static-symbols*
+ '()))
(defparameter *static-funs*
'(length
sb!kernel:two-arg->
sb!kernel:two-arg-=
;; FIXME: Is this
- ;; probably need the following as they are defined in
- ;; arith.lisp: two-arg-<= two-arg->= two-arg-/=
+ ;; probably need the following as they are defined in
+ ;; arith.lisp: two-arg-<= two-arg->= two-arg-/=
;; a comment from old CMU CL or old old CMU CL or
;; the SBCL alpha port or what? Do we need to worry about it,
;; or can we delete it?
+ sb!kernel:two-arg-/=
eql
sb!kernel:%negate
sb!kernel:two-arg-and
sb!kernel:two-arg-ior
sb!kernel:two-arg-xor
+ sb!kernel:two-arg-eqv
sb!kernel:two-arg-gcd
sb!kernel:two-arg-lcm))