;;;; Machine Architecture parameters:
(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)
;;; 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.")
+;;; number of bits per byte where a byte is the smallest addressable object
+(def!constant n-byte-bits 8)
-(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.")
-
-(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")
+;;; flags for the generational garbage collector
+(def!constant pseudo-atomic-interrupted-flag 1)
+(def!constant pseudo-atomic-flag
+ ;; Must be (ash 1 (1- sb-vm:n-lowtag-bits)) for cheneygc ALLOCATION.
+ 4)
(def!constant float-sign-shift 31)
(def!constant float-round-to-positive 2)
(def!constant float-round-to-negative 3)
-(defconstant-eqx float-rounding-mode (byte 2 30) #'equalp) ; RD
-(defconstant-eqx float-sticky-bits (byte 5 5) #'equalp) ; aexc
-(defconstant-eqx float-traps-byte (byte 5 23) #'equalp) ; TEM
-(defconstant-eqx float-exceptions-byte (byte 5 0) #'equalp) ; cexc
+(defconstant-eqx float-rounding-mode (byte 2 30) #'equalp) ; RD
+(defconstant-eqx float-sticky-bits (byte 5 5) #'equalp) ; aexc
+(defconstant-eqx float-traps-byte (byte 5 23) #'equalp) ; TEM
+(defconstant-eqx float-exceptions-byte (byte 5 0) #'equalp) ; cexc
;;; According to the SPARC doc (as opposed to FPU doc), the fast mode
;;; bit (EFM) is "reserved", and should always be zero. However, for
); eval-when
-;;; NUMBER-STACK-DISPLACEMENT
-;;;
-;;; The number of bytes reserved above the number stack pointer. These
-;;; slots are required by architecture for a place to spill register windows.
-;;;
-;;; FIXME: Where is this used?
-(def!constant number-stack-displacement
- (* 16 n-word-bytes))
-
\f
;;;; Description of the target address space.
;;; Where to put the different spaces. Must match the C code!
-#!+linux
+#!+(and linux cheneygc)
+(progn
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x15000000)
+
+ (def!constant static-space-start #x28000000)
+ (def!constant static-space-end #x2c000000)
+
+ (def!constant dynamic-0-space-start #x30000000)
+ (def!constant dynamic-0-space-end #x38000000)
+
+ (def!constant dynamic-1-space-start #x40000000)
+ (def!constant dynamic-1-space-end #x48000000))
+
+#!+(and linux gencgc) ; sensibly small read-only and static spaces
(progn
- (def!constant read-only-space-start #x10000000)
- (def!constant read-only-space-end #x15000000)
-
- (def!constant static-space-start #x28000000)
- (def!constant static-space-end #x2c000000)
-
- ;; From alpha/parms.lisp:
- ;; 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 #x38000000)
-
- (def!constant dynamic-0-space-start #x30000000)
- (def!constant dynamic-0-space-end #x38000000)
-
- (def!constant dynamic-1-space-start #x40000000)
- (def!constant dynamic-1-space-end #x48000000))
-
-#!+sunos ; might as well start by trying the same numbers
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x110ff000)
+
+ (def!constant static-space-start #x11100000)
+ (def!constant static-space-end #x111ff000)
+
+ (def!constant dynamic-space-start #x30000000)
+ (def!constant dynamic-space-end (!configure-dynamic-space-end)))
+
+#!+(and sunos cheneygc) ; might as well start by trying the same numbers
(progn
- (def!constant read-only-space-start #x10000000)
- (def!constant read-only-space-end #x15000000)
-
- (def!constant static-space-start #x28000000)
- (def!constant static-space-end #x2c000000)
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
- (def!constant dynamic-space-start #x30000000)
- (def!constant dynamic-space-end #x38000000)
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x15000000)
- (def!constant dynamic-0-space-start #x30000000)
- (def!constant dynamic-0-space-end #x38000000)
-
- (def!constant dynamic-1-space-start #x40000000)
- (def!constant dynamic-1-space-end #x48000000))
+ (def!constant static-space-start #x28000000)
+ (def!constant static-space-end #x2c000000)
+
+ (def!constant dynamic-0-space-start #x30000000)
+ (def!constant dynamic-0-space-end #x38000000)
+
+ (def!constant dynamic-1-space-start #x40000000)
+ (def!constant dynamic-1-space-end #x48000000))
+
+#!+(and sunos gencgc) ; sensibly small read-only and static spaces
+(progn
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x110ff000)
+
+ (def!constant static-space-start #x11100000)
+ (def!constant static-space-end #x111ff000)
+
+ (def!constant dynamic-space-start #x30000000)
+ (def!constant dynamic-space-end (!configure-dynamic-space-end)))
+
+#!+netbsd ; Need a gap at 0x4000000 for shared libraries
+(progn
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x15000000)
+
+ (def!constant static-space-start #x18000000)
+ (def!constant static-space-end #x1c000000)
+
+ (def!constant dynamic-0-space-start #x48000000)
+ (def!constant dynamic-0-space-end #x5ffff000)
+
+ (def!constant dynamic-1-space-start #x60000000)
+ (def!constant dynamic-1-space-end #x77fff000))
+
+;; Size of one linkage-table entry in bytes. See comment in
+;; src/runtime/sparc-arch.c
+(def!constant linkage-table-entry-size 16)
\f
;;;; other random constants.
-(defenum (:suffix -trap :start 8)
- halt
- pending-interrupt
- error
- cerror
- breakpoint
- fun-end-breakpoint
- after-breakpoint)
-
-(defenum (:prefix object-not- :suffix -trap :start 16)
- list
- instance)
-
-(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
+ after-breakpoint-trap
+ single-step-around-trap
+ single-step-before-trap
+ #!+gencgc allocation-trap)
+
+(defenum (:start 24)
+ object-not-list-trap
+ object-not-instance-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*
- sb!impl::*!initial-fdefn-objects*
-
- ;; functions that the C code needs to call
- sub-gc
- sb!kernel::internal-error
- sb!kernel::control-stack-exhausted-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*
-
- *binding-stack-start*
- *control-stack-start*
- *control-stack-end*
-
- ;; interrupt handling
- *free-interrupt-context-index*
- sb!unix::*interrupts-enabled*
- sb!unix::*interrupt-pending*
- ))
+ (append
+ *common-static-symbols*
+ *c-callable-static-symbols*
+ '(#!+gencgc *restart-lisp-function*)))
(defparameter *static-funs*
'(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-eqv
- two-arg-gcd two-arg-lcm
- ))
-\f
-;;;; Assembler parameters:
-
-;;; The number of bits per element in the assemblers code vector.
-(defparameter *assembly-unit-length* 8)
-
+ two-arg-gcd two-arg-lcm))
\f
;;;; Pseudo-atomic trap number
projects / sbcl.git / blobdiff