(define-primitive-object (array :lowtag other-pointer-lowtag
:widetag t)
+ ;; FILL-POINTER of an ARRAY is in the same place as LENGTH of a
+ ;; VECTOR -- see SHRINK-VECTOR.
(fill-pointer :type index
:ref-trans %array-fill-pointer
:ref-known (flushable foldable)
(define-primitive-object (vector :type vector
:lowtag other-pointer-lowtag
:widetag t)
+ ;; FILL-POINTER of an ARRAY is in the same place as LENGTH of a
+ ;; VECTOR -- see SHRINK-VECTOR.
(length :ref-trans sb!c::vector-length
:type index)
(data :rest-p t :c-type #!-alpha "unsigned long" #!+alpha "u32"))
\f
;;;; symbols
-#!+x86
-(defknown symbol-hash (symbol) (integer 0 #.sb!xc:most-positive-fixnum)
- (flushable movable))
-
(define-primitive-object (symbol :lowtag other-pointer-lowtag
:widetag symbol-header-widetag
- #!-x86 :alloc-trans #!-x86 make-symbol)
+ :alloc-trans make-symbol)
;; Beware when changing this definition. NIL-the-symbol is defined
;; using this layout, and NIL-the-end-of-list-marker is the cons
;; (conses have no header). Careful selection of lowtags ensures
;; that the same pointer can be used for both purposes:
;; OTHER-POINTER-LOWTAG is 7, LIST-POINTER-LOWTAG is 3, so if you
- ;; subtract 3 from (sb-kernel:get-lisp-obj-address 'NIL) you get the
+ ;; subtract 3 from (SB-KERNEL:GET-LISP-OBJ-ADDRESS 'NIL) you get the
;; first data slot, and if you subtract 7 you get a symbol header.
- (value #!-sb-thread :set-trans #!-sb-thread %set-symbol-value
- :init :unbound) ;also the CAR of NIL-as-end-of-list
- (hash) ;the CDR of NIL-as-end-of-list
+ ;; also the CAR of NIL-as-end-of-list
+ (value :init :unbound)
+ ;; also the CDR of NIL-as-end-of-list. Its reffer needs special
+ ;; care for this reason, as hash values must be fixnums.
+ (hash :set-trans %set-symbol-hash)
(plist :ref-trans symbol-plist
:set-trans %set-symbol-plist
(real :c-type "double" :length 2)
(imag :c-type "double" :length 2))
-#!+long-float
-(define-primitive-object (complex-long-float
- :lowtag other-pointer-lowtag
- :widetag complex-long-float-widetag)
- #!+sparc (filler)
- (real :c-type "long double" :length #!+x86 3 #!+sparc 4)
- (imag :c-type "long double" :length #!+x86 3 #!+sparc 4))
-
;;; this isn't actually a lisp object at all, it's a c structure that lives
;;; in c-land. However, we need sight of so many parts of it from Lisp that
;;; it makes sense to define it here anyway, so that the GENESIS machinery
;; unbound_marker is borrowed very briefly at thread startup to
;; pass the address of initial-function into new_thread_trampoline
(unbound-marker :init :unbound) ; tls[0] = UNBOUND_MARKER_WIDETAG
- (binding-stack-start :c-type "lispobj *")
- (binding-stack-pointer :c-type "lispobj *")
- (control-stack-start :c-type "lispobj *")
- (control-stack-end :c-type "lispobj *")
- (alien-stack-start :c-type "lispobj *")
- (alien-stack-pointer :c-type "lispobj *")
- #!+gencgc
- (alloc-region :c-type "struct alloc_region" :length 5)
(pid :c-type "pid_t")
+ (binding-stack-start :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
+ (binding-stack-pointer :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
+ (control-stack-start :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
+ (control-stack-end :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
+ (alien-stack-start :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
+ (alien-stack-pointer :c-type "lispobj *" :length #!+alpha 2 #!-alpha 1)
+ #!+gencgc (alloc-region :c-type "struct alloc_region" :length 5)
(tls-cookie) ; on x86, the LDT index
- (this :c-type "struct thread *")
- (next :c-type "struct thread *")
- (pseudo-atomic-atomic)
- (pseudo-atomic-interrupted)
- (interrupt-data :c-type "struct interrupt_data *")
+ (this :c-type "struct thread *" :length #!+alpha 2 #!-alpha 1)
+ (next :c-type "struct thread *" :length #!+alpha 2 #!-alpha 1)
+ (state) ; running, stopping, stopped
+ #!+x86 (pseudo-atomic-atomic)
+ #!+x86 (pseudo-atomic-interrupted)
+ (interrupt-data :c-type "struct interrupt_data *"
+ :length #!+alpha 2 #!-alpha 1)
(interrupt-contexts :c-type "os_context_t *" :rest-p t))