X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86-64%2Fparms.lisp;h=9a029779a032e5eb8c921d55d5dceb7eb86798ec;hb=4ec0d70e08ea4b512d45ddbd6c82e8f6a91a914f;hp=91ebb636b63af8a310f124cb3559c7db0f0b25a5;hpb=e1905b479292158bd2bacdebb81e27b4da041097;p=sbcl.git diff --git a/src/compiler/x86-64/parms.lisp b/src/compiler/x86-64/parms.lisp index 91ebb63..9a02977 100644 --- a/src/compiler/x86-64/parms.lisp +++ b/src/compiler/x86-64/parms.lisp @@ -35,6 +35,12 @@ ;;; 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: @@ -99,48 +105,40 @@ (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)) ;;;; 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) ;;;; static symbols @@ -184,6 +182,9 @@ ;; 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.