;;;; 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.")
-
-(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")
+;;; 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-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
(progn
- (def!constant read-only-space-start #x10000000)
- (def!constant read-only-space-end #x15000000)
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (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 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-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 dynamic-1-space-start #x40000000)
+ (def!constant dynamic-1-space-end #x48000000))
#!+sunos ; 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 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 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-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 dynamic-1-space-start #x40000000)
+ (def!constant dynamic-1-space-end #x48000000))
+
+;; 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.
cerror
breakpoint
fun-end-breakpoint
- after-breakpoint)
-
-(defenum (:prefix object-not- :suffix -trap :start 16)
+ after-breakpoint
+ ;; Stepper actually not implemented on Sparc, but these constants
+ ;; are still needed to avoid undefined variable warnings during sbcl
+ ;; build.
+ single-step-around
+ single-step-before)
+
+(defenum (:prefix object-not- :suffix -trap :start 24)
list
instance)
;;; 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*
+ '()))
(defparameter *static-funs*
'(length
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