;;;; Machine Architecture parameters:
(eval-when (:compile-toplevel :load-toplevel :execute)
-(defconstant 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)
-(defconstant 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 32)
-(defconstant word-shift (1- (integer-length (/ n-word-bits n-byte-bits)))
- #!+sb-doc
- "Number of bits to shift between word addresses and byte addresses.")
+;;; number of bits per byte where a byte is the smallest addressable object
+(def!constant n-byte-bits 8)
-(defconstant n-word-bytes (/ n-word-bits n-byte-bits)
- #!+sb-doc
- "Number of bytes in a word.")
+(def!constant float-sign-shift 31)
-(defconstant n-fixnum-tag-bits (1- n-lowtag-bits)
- #!+sb-doc
- "Number of tag bits used for a fixnum")
-
-(defconstant fixnum-tag-mask (1- (ash 1 n-fixnum-tag-bits))
- #!+sb-doc
- "Mask to get the fixnum tag")
-
-(defconstant n-positive-fixnum-bits (- n-word-bits n-fixnum-tag-bits 1)
- #!+sb-doc
- "Maximum number of bits in a positive fixnum")
-
-(defconstant float-sign-shift 31)
-
-(defconstant single-float-bias 126)
+(def!constant single-float-bias 126)
(defconstant-eqx single-float-exponent-byte (byte 8 23) #'equalp)
(defconstant-eqx single-float-significand-byte (byte 23 0) #'equalp)
-(defconstant single-float-normal-exponent-min 1)
-(defconstant single-float-normal-exponent-max 254)
-(defconstant single-float-hidden-bit (ash 1 23))
-(defconstant single-float-trapping-nan-bit (ash 1 22))
+(def!constant single-float-normal-exponent-min 1)
+(def!constant single-float-normal-exponent-max 254)
+(def!constant single-float-hidden-bit (ash 1 23))
+(def!constant single-float-trapping-nan-bit (ash 1 22))
-(defconstant double-float-bias 1022)
+(def!constant double-float-bias 1022)
(defconstant-eqx double-float-exponent-byte (byte 11 20) #'equalp)
(defconstant-eqx double-float-significand-byte (byte 20 0) #'equalp)
-(defconstant double-float-normal-exponent-min 1)
-(defconstant double-float-normal-exponent-max #x7FE)
-(defconstant double-float-hidden-bit (ash 1 20))
-(defconstant double-float-trapping-nan-bit (ash 1 19))
+(def!constant double-float-normal-exponent-min 1)
+(def!constant double-float-normal-exponent-max #x7FE)
+(def!constant double-float-hidden-bit (ash 1 20))
+(def!constant double-float-trapping-nan-bit (ash 1 19))
;;; CMUCL COMMENT:
;;; X These values are for the x86 80 bit format and are no doubt
;;; incorrect for the sparc.
;;; FIXME
-(defconstant long-float-bias 16382)
+(def!constant long-float-bias 16382)
(defconstant-eqx long-float-exponent-byte (byte 15 0) #'equalp)
(defconstant-eqx long-float-significand-byte (byte 31 0) #'equalp)
-(defconstant long-float-normal-exponent-min 1)
-(defconstant long-float-normal-exponent-max #x7FFE)
-(defconstant long-float-hidden-bit (ash 1 31))
-(defconstant long-float-trapping-nan-bit (ash 1 30))
+(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))
+(def!constant long-float-trapping-nan-bit (ash 1 30))
-(defconstant single-float-digits
+(def!constant single-float-digits
(+ (byte-size single-float-significand-byte) 1))
-(defconstant double-float-digits
+(def!constant double-float-digits
(+ (byte-size double-float-significand-byte) n-word-bits 1))
;;; This looks wrong - CSR
-(defconstant long-float-digits
+(def!constant long-float-digits
(+ (byte-size long-float-significand-byte) n-word-bits 1))
-(defconstant float-inexact-trap-bit (ash 1 0))
-(defconstant float-divide-by-zero-trap-bit (ash 1 1))
-(defconstant float-underflow-trap-bit (ash 1 2))
-(defconstant float-overflow-trap-bit (ash 1 3))
-(defconstant float-invalid-trap-bit (ash 1 4))
+(def!constant float-inexact-trap-bit (ash 1 0))
+(def!constant float-divide-by-zero-trap-bit (ash 1 1))
+(def!constant float-underflow-trap-bit (ash 1 2))
+(def!constant float-overflow-trap-bit (ash 1 3))
+(def!constant float-invalid-trap-bit (ash 1 4))
-(defconstant float-round-to-nearest 0)
-(defconstant float-round-to-zero 1)
-(defconstant float-round-to-positive 2)
-(defconstant float-round-to-negative 3)
+(def!constant float-round-to-nearest 0)
+(def!constant float-round-to-zero 1)
+(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
;;; sparc-V8 and sparc-V9, it appears to work, causing denormals to
;;; be truncated to 0 silently.
-(defconstant float-fast-bit (ash 1 22))
+(def!constant float-fast-bit (ash 1 22))
); 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?
-(defconstant 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
- (defconstant read-only-space-start #x10000000)
- (defconstant read-only-space-end #x15000000)
-
- (defconstant static-space-start #x28000000)
- (defconstant static-space-end #x2c000000)
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
- ;; 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
- (defconstant dynamic-space-start #x30000000)
- (defconstant dynamic-space-end #x38000000)
+ (def!constant read-only-space-start #x10000000)
+ (def!constant read-only-space-end #x15000000)
- (defconstant dynamic-0-space-start #x30000000)
- (defconstant dynamic-0-space-end #x38000000)
-
- (defconstant dynamic-1-space-start #x40000000)
- (defconstant dynamic-1-space-end #x48000000)
+ (def!constant static-space-start #x28000000)
+ (def!constant static-space-end #x2c000000)
- (defconstant control-stack-start #x50000000)
- (defconstant control-stack-end #x51000000)
+ (def!constant dynamic-0-space-start #x30000000)
+ (def!constant dynamic-0-space-end #x38000000)
- (defconstant binding-stack-start #x60000000)
- (defconstant binding-stack-end #x61000000))
+ (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
- (defconstant read-only-space-start #x10000000)
- (defconstant read-only-space-end #x15000000)
-
- (defconstant static-space-start #x28000000)
- (defconstant 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)
- (defconstant dynamic-space-start #x30000000)
- (defconstant dynamic-space-end #x38000000)
+ (def!constant static-space-start #x28000000)
+ (def!constant static-space-end #x2c000000)
- (defconstant dynamic-0-space-start #x30000000)
- (defconstant dynamic-0-space-end #x38000000)
-
- (defconstant dynamic-1-space-start #x40000000)
- (defconstant dynamic-1-space-end #x48000000)
+ (def!constant dynamic-0-space-start #x30000000)
+ (def!constant dynamic-0-space-end #x38000000)
- (defconstant control-stack-start #x50000000)
- (defconstant control-stack-end #x51000000)
+ (def!constant dynamic-1-space-start #x40000000)
+ (def!constant dynamic-1-space-end #x48000000))
- (defconstant binding-stack-start #x60000000)
- (defconstant binding-stack-end #x61000000))
+;; 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*
- ;;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
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-and two-arg-ior two-arg-xor two-arg-eqv
two-arg-gcd two-arg-lcm
))
\f
;;; for pseudo-atomic) to propagate a magic number to C land via
;;; sbcl.h.
#!-linux
-(defconstant pseudo-atomic-trap #x10)
+(def!constant pseudo-atomic-trap #x10)
#!+linux
-(defconstant pseudo-atomic-trap #x40)
+(def!constant pseudo-atomic-trap #x40)
projects / sbcl.git / blobdiff