;;; number of bits per byte where a byte is the smallest addressable object
(def!constant n-byte-bits 8)
+;;; 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 single-float-bias 126)
;;;; 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 #x10000000)
+ (def!constant read-only-space-start #x11000000)
(def!constant read-only-space-end #x15000000)
(def!constant static-space-start #x28000000)
(def!constant dynamic-1-space-start #x40000000)
(def!constant dynamic-1-space-end #x48000000))
-#!+sunos ; might as well start by trying the same numbers
+#!+(and linux 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)))
+
+#!+(and sunos cheneygc) ; might as well start by trying the same numbers
(progn
(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-start #x11000000)
(def!constant read-only-space-end #x15000000)
(def!constant static-space-start #x28000000)
(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!kernel::undefined-alien-variable-error
- sb!kernel::undefined-alien-function-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*
- *gc-inhibit*
- *gc-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