X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=ec89f340f6e1f11b7f4f667405777c2219c1ebf5;hb=d306e2d23b38487488eb93881dad836e439e0c77;hp=8e0623c25e98dd6664292e1109224ced7f24e53d;hpb=bf77540f53dbb693d87b9ff4fbfd09d3de7fb2d9;p=sbcl.git diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp index 8e0623c..ec89f34 100644 --- a/src/compiler/x86/parms.lisp +++ b/src/compiler/x86/parms.lisp @@ -159,114 +159,41 @@ ;;; And if KVA_PAGES is extended from 1GB to 1.5GB, we can't use ;;; down to around 0xA0000000. ;;; So we use 0x58000000--0x98000000 for dynamic space. -;;; * OpenBSD address space changes for W^X as well as malloc -;;; randomization made the old addresses unsafe. The only range -;;; that is really safe is between the end of the text segment (it -;;; starts at #x3C000000) and #x7C000000. However if the -Z linker -;;; option is used then the safe range is (probably) #x00001000 to -;;; #x48048000, with the text and data segments at #x08048000. - -#!+win32 -(progn - - (def!constant read-only-space-start #x22000000) - (def!constant read-only-space-end #x220ff000) - - (def!constant static-space-start #x22100000) - (def!constant static-space-end #x221ff000) - - (def!constant dynamic-space-start #x22300000) - (def!constant dynamic-space-end #x42300000) - - (def!constant linkage-table-space-start #x22200000) - (def!constant linkage-table-space-end #x222ff000)) - -#!+linux -(progn - (def!constant read-only-space-start #x01000000) - (def!constant read-only-space-end #x010ff000) - - (def!constant static-space-start #x01100000) - (def!constant static-space-end #x011ff000) - - (def!constant dynamic-space-start #x09000000) - (def!constant dynamic-space-end #x29000000) - - (def!constant linkage-table-space-start #x01200000) - (def!constant linkage-table-space-end #x012ff000)) - -#!+sunos -(progn - (def!constant read-only-space-start #x20000000) - (def!constant read-only-space-end #x200ff000) - - (def!constant static-space-start #x20100000) - (def!constant static-space-end #x201ff000) - - (def!constant dynamic-space-start #x48000000) - (def!constant dynamic-space-end #xA0000000) - - (def!constant linkage-table-space-start #x20200000) - (def!constant linkage-table-space-end #x202ff000)) - -#!+freebsd -(progn - (def!constant read-only-space-start #x01000000) - (def!constant read-only-space-end #x010ff000) - - (def!constant static-space-start #x01100000) - (def!constant static-space-end #x011ff000) - - (def!constant dynamic-space-start #x58000000) - (def!constant dynamic-space-end #x98000000) - - (def!constant linkage-table-space-start #x01200000) - (def!constant linkage-table-space-end #x012ff000)) - -#!+openbsd -(progn - (def!constant read-only-space-start #x47000000) - (def!constant read-only-space-end #x470ff000) - - (def!constant static-space-start #x47100000) - (def!constant static-space-end #x471ff000) - - (def!constant dynamic-space-start #x48000000) - (def!constant dynamic-space-end #x78000000) - - ;; In CMUCL: 0xB0000000->0xB1000000 - (def!constant linkage-table-space-start #x47200000) - (def!constant linkage-table-space-end #x472ff000)) - -#!+netbsd -(progn - (def!constant read-only-space-start #x20000000) - (def!constant read-only-space-end #x200ff000) - - (def!constant static-space-start #x20100000) - (def!constant static-space-end #x201ff000) - - (def!constant dynamic-space-start #x60000000) - (def!constant dynamic-space-end #x98000000) - - ;; In CMUCL: 0xB0000000->0xB1000000 - (def!constant linkage-table-space-start #x20200000) - (def!constant linkage-table-space-end #x202ff000)) - - -#!+darwin -(progn - (def!constant read-only-space-start #x04000000) - (def!constant read-only-space-end #x040ff000) - - (def!constant static-space-start #x04100000) - (def!constant static-space-end #x041ff000) - - (def!constant dynamic-space-start #x10000000) - (def!constant dynamic-space-end #x6ffff000) - - (def!constant linkage-table-space-start #x04200000) - (def!constant linkage-table-space-end #x042ff000)) +;;; * OpenBSD address space changes for W^X as well as malloc() +;;; randomization made the old addresses unsafe. +;;; ** By default (linked without -Z option): +;;; The executable's text segment starts at #x1c000000 and the +;;; data segment MAXDSIZ bytes higher, at #x3c000000. Shared +;;; library text segments start randomly between #x00002000 and +;;; #x10002000, with the data segment MAXDSIZ bytes after that. +;;; ** If the -Z linker option is used: +;;; The executable's text and data segments simply start at +;;; #x08048000, data immediately following text. Shared library +;;; text and data is placed as if allocated by malloc(). +;;; ** In both cases, the randomized range for malloc() starts +;;; MAXDSIZ bytes after the end of the data segment (#x48048000 +;;; with -Z, #x7c000000 without), and extends 256 MB. +;;; ** The read only, static, and linkage table spaces should be +;;; safe with and without -Z if they are located just before +;;; #x1c000000. +;;; ** Ideally the dynamic space should be at #x94000000, 64 MB +;;; after the end of the highest random malloc() address. +;;; Unfortunately the dynamic space must be in the lower half +;;; of the address space, where there are no large areas which +;;; are unused both with and without -Z. So we break -Z by +;;; starting at #x40000000. By only using 512 - 64 MB we can +;;; run under the default 512 MB data size resource limit. + +;;; NetBSD configuration used to have this comment regarding the linkage +;;; table: "In CMUCL: 0xB0000000->0xB1000000" + +#!+win32 (!gencgc-space-setup #x22000000 nil nil #x10000) +#!+linux (!gencgc-space-setup #x01000000 #x09000000) +#!+sunos (!gencgc-space-setup #x20000000 #x48000000) +#!+freebsd (!gencgc-space-setup #x01000000 #x58000000) +#!+openbsd (!gencgc-space-setup #x1b000000 #x40000000) +#!+netbsd (!gencgc-space-setup #x20000000 #x60000000) +#!+darwin (!gencgc-space-setup #x04000000 #x10000000) ;;; Size of one linkage-table entry in bytes. (def!constant linkage-table-entry-size 8) @@ -277,32 +204,21 @@ ;;;; 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) ;;;; static symbols @@ -327,9 +243,6 @@ ;; 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* @@ -351,9 +264,6 @@ ;; 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. @@ -377,10 +287,8 @@ 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)) -;;;; stuff added by jrd - -;;; FIXME: Is this used? Delete it or document it. -;;; cf the sparc PARMS.LISP -(defparameter *assembly-unit-length* 8) +#!+win32 +(defconstant +win32-tib-arbitrary-field-offset+ #.(+ #xE10 (* 4 63)))