;;; and register specs, we use the Intel convention. But whenever we
;;; are talking about stuff the rest of the lisp system might be
;;; interested in, we use ``word'' to mean the size of a descriptor
-;;; object, which is 32 bits.
+;;; object, which is 64 bits.
\f
;;;; machine architecture parameters
;;; addressable object
(def!constant n-byte-bits 8)
+;;; The minimum immediate offset in a memory-referencing instruction.
+(def!constant minimum-immediate-offset (- (expt 2 31)))
+
+;;; The maximum immediate offset in a memory-referencing instruction.
+(def!constant maximum-immediate-offset (1- (expt 2 31)))
+
(def!constant float-sign-shift 31)
;;; comment from CMU CL:
;;; would be possible, but probably not worth the time and code bloat
;;; it would cause. -- JES, 2005-12-11
-#!+(or linux freebsd)
-(progn
- (def!constant read-only-space-start #x20000000)
- (def!constant read-only-space-end #x27ff0000)
-
- (def!constant static-space-start #x40000000)
- (def!constant static-space-end #x47fff000)
-
- (def!constant dynamic-space-start #x1000000000)
- (def!constant dynamic-space-end #x11ffff0000)
-
- (def!constant linkage-table-space-start #x60000000)
- (def!constant linkage-table-space-end #x63fff000)
-
- (def!constant linkage-table-entry-size 16))
+;;; The default dynamic space size is lower on OpenBSD to allow SBCL to
+;;; run under the default 512M data size limit.
-#!+darwin
-(progn
- (def!constant read-only-space-start #x20000000)
- (def!constant read-only-space-end #x27ff0000)
+(!gencgc-space-setup #x20000000
+ #x1000000000
- (def!constant static-space-start #x40000000)
- (def!constant static-space-end #x47fff000)
+ ;; :default-dynamic-space-size
+ #!+openbsd #x1bcf0000
- #+nil (def!constant dynamic-space-start #x1000000000)
- #+nil (def!constant dynamic-space-end #x11ffff0000)
-
- (def!constant dynamic-space-start #x50000000)
- (def!constant dynamic-space-end #x5fff0000)
-
- (def!constant linkage-table-space-start #x60000000)
- (def!constant linkage-table-space-end #x63fff000)
-
- (def!constant linkage-table-entry-size 16))
+ ;; :alignment
+ #!+win32 #!+win32 nil #x10000)
+(def!constant linkage-table-entry-size 16)
\f
;;;; other miscellaneous constants
-(defenum (:suffix -trap :start 8)
- halt
- pending-interrupt
- error
- cerror
- breakpoint
- fun-end-breakpoint
- single-step-around
- single-step-before)
-;;; FIXME: It'd be nice to replace all the DEFENUMs with something like
-;;; (WITH-DEF-ENUM (:START 8)
-;;; (DEF-ENUM HALT-TRAP)
-;;; (DEF-ENUM PENDING-INTERRUPT-TRAP)
-;;; ..)
-;;; for the benefit of anyone doing a lexical search for definitions
-;;; of these symbols.
-
-(defenum (:prefix object-not- :suffix -trap :start 24)
- 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
+ single-step-around-trap
+ single-step-before-trap)
+
+(defenum (:start 24)
+ object-not-list-trap
+ object-not-instance-trap
+ #!+sb-safepoint global-safepoint-trap
+ #!+sb-safepoint csp-safepoint-trap)
\f
;;;; static symbols
;; interrupt handling
*pseudo-atomic-bits*
- #!+sb-thread *stop-for-gc-pending*
-
- #!+sb-thread *free-tls-index*
- #!+sb-thread *tls-index-lock*
-
*allocation-pointer*
*binding-stack-pointer*
sb!kernel:two-arg-ior
sb!kernel:two-arg-xor
sb!kernel:two-arg-gcd
- sb!kernel:two-arg-lcm))
+ sb!kernel:two-arg-lcm
+ sb!kernel:%coerce-callable-to-fun))
+
+#!+sb-simd-pack
+(defvar *simd-pack-element-types* '(integer single-float double-float))