;;; 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
-#!+linux
(progn
(def!constant read-only-space-start #x20000000)
- (def!constant read-only-space-end #x27ff0000)
+ (def!constant read-only-space-end #x200ff000)
- (def!constant static-space-start #x40000000)
- (def!constant static-space-end #x47fff000)
+ (def!constant static-space-start #x20100000)
+ (def!constant static-space-end #x201ff000)
(def!constant dynamic-space-start #x1000000000)
+ #!-openbsd
(def!constant dynamic-space-end #x11ffff0000)
+ #!+openbsd
+ ;; This is lower on OpenBSD to allow SBCL to run under the default
+ ;; 512M data size limit.
+ (def!constant dynamic-space-end #x101bcf0000)
- (def!constant linkage-table-space-start #x60000000)
- (def!constant linkage-table-space-end #x63fff000)
+ (def!constant linkage-table-space-start #x20200000)
+ (def!constant linkage-table-space-end #x202ff000)
(def!constant linkage-table-entry-size 16))
-#!+darwin
-(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)
-
- #+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))
-
-
\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)
\f
;;;; static symbols
;; For GC-AND-SAVE
*restart-lisp-function*
+ ;; For the UNWIND-TO-FRAME-AND-CALL VOP
+ *unwind-to-frame-function*
+
;; Needed for callbacks to work across saving cores. see
;; ALIEN-CALLBACK-ASSEMBLER-WRAPPER in c-call.lisp for gory
;; details.