X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=67655cd8afd8c81a819c46a9effb087406c2750e;hb=c2ac5ba3964165ee2d21ccd4c6bf8bdc48e1a165;hp=23fc57b68625efcc49b51b04486a8be89624514e;hpb=40e3ba03d0e1b824e4d1ae75d74246b975b70964;p=sbcl.git diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp index 23fc57b..67655cd 100644 --- a/src/compiler/x86/parms.lisp +++ b/src/compiler/x86/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: @@ -146,79 +152,121 @@ ;;; FYI, this can be looked at with the "pmap" program, and if you ;;; set the top-down mmap allocation option in the kernel (not yet ;;; the default), all bets are totally off! +;;; * For FreeBSD, the requirement of user and kernel space are +;;; getting larger, and users tend to extend them. +;;; If MAXDSIZ is extended from 512MB to 1GB, we can't use up to +;;; around 0x50000000. +;;; 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 #x02000000) + (def!constant read-only-space-end #x020ff000) + + (def!constant static-space-start #x02100000) + (def!constant static-space-end #x021ff000) + + (def!constant dynamic-space-start #x09000000) + (def!constant dynamic-space-end #x29000000) + + (def!constant linkage-table-space-start #x02200000) + (def!constant linkage-table-space-end #x022ff000)) #!+linux (progn (def!constant read-only-space-start #x01000000) - (def!constant read-only-space-end #x037ff000) + (def!constant read-only-space-end #x010ff000) - (def!constant static-space-start #x05000000) - (def!constant static-space-end #x07fff000) + (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 #x70000000) - (def!constant linkage-table-space-end #x7ffff000)) + (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 #x2ffff000) + (def!constant read-only-space-end #x200ff000) - (def!constant static-space-start #x40000000) - (def!constant static-space-end #x42fff000) + (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 #xA2000000) - (def!constant linkage-table-space-end #xA3000000)) + (def!constant linkage-table-space-start #x20200000) + (def!constant linkage-table-space-end #x202ff000)) #!+freebsd (progn - (def!constant read-only-space-start #x10000000) - (def!constant read-only-space-end #x1ffff000) + (def!constant read-only-space-start #x01000000) + (def!constant read-only-space-end #x010ff000) - (def!constant static-space-start #x30000000) - (def!constant static-space-end #x37fff000) + (def!constant static-space-start #x01100000) + (def!constant static-space-end #x011ff000) - (def!constant dynamic-space-start #x48000000) - (def!constant dynamic-space-end #x88000000) + (def!constant dynamic-space-start #x58000000) + (def!constant dynamic-space-end #x98000000) - ;; In CMUCL: 0xB0000000->0xB1000000 - (def!constant linkage-table-space-start #x90000000) - (def!constant linkage-table-space-end #x91000000)) + (def!constant linkage-table-space-start #x01200000) + (def!constant linkage-table-space-end #x012ff000)) #!+openbsd (progn - (def!constant read-only-space-start #x40000000) - (def!constant read-only-space-end #x47fff000) + (def!constant read-only-space-start #x7b000000) + (def!constant read-only-space-end #x7b0ff000) - (def!constant static-space-start #x50000000) - (def!constant static-space-end #x5ffff000) + (def!constant static-space-start #x7b100000) + (def!constant static-space-end #x7b1ff000) - (def!constant dynamic-space-start #x80000000) - (def!constant dynamic-space-end #xA0000000) + (def!constant dynamic-space-start #x4c000000) + (def!constant dynamic-space-end #x7b0ff000) ;; In CMUCL: 0xB0000000->0xB1000000 - (def!constant linkage-table-space-start #xA0000000) - (def!constant linkage-table-space-end #xA1000000)) + (def!constant linkage-table-space-start #x7b200000) + (def!constant linkage-table-space-end #x7b2ff000)) #!+netbsd (progn (def!constant read-only-space-start #x20000000) - (def!constant read-only-space-end #x2ffff000) + (def!constant read-only-space-end #x200ff000) - (def!constant static-space-start #x30000000) - (def!constant static-space-end #x37fff000) + (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 #xA0000000) - (def!constant linkage-table-space-end #xA1000000)) + (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)) ;;; Size of one linkage-table entry in bytes. (def!constant linkage-table-entry-size 8) @@ -236,7 +284,8 @@ cerror breakpoint fun-end-breakpoint - single-step-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) @@ -245,7 +294,7 @@ ;;; for the benefit of anyone doing a lexical search for definitions ;;; of these symbols. -(defenum (:prefix object-not- :suffix -trap :start 16) +(defenum (:prefix object-not- :suffix -trap :start 24) list instance) @@ -270,80 +319,48 @@ (defvar *allocation-pointer*) (defvar *binding-stack-pointer*) -;;; FIXME: !COLD-INIT probably doesn't need -;;; to be in the static symbols table any more. (defparameter *static-symbols* - '(t - - ;; The C startup code must fill these in. - *posix-argv* - - ;; functions that the C code needs to call. When adding to this list, - ;; also add a `frob' form in genesis.lisp finish-symbols. - 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!kernel::memory-fault-error - sb!di::handle-breakpoint - fdefinition-object - - ;; free pointers - ;; - ;; Note that these are FIXNUM word counts, not (as one might - ;; expect) byte counts or SAPs. The reason seems to be that by - ;; representing them this way, we can avoid consing bignums. - ;; -- WHN 2000-10-02 - *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* - *alien-stack* - - ;; interrupt handling - *pseudo-atomic-atomic* - *pseudo-atomic-interrupted* - sb!unix::*interrupts-enabled* - sb!unix::*interrupt-pending* - *free-interrupt-context-index* - *gc-inhibit* - #!+sb-thread *stop-for-gc-pending* - *gc-pending* - - *free-tls-index* - - *allocation-pointer* - *binding-stack-pointer* - *binding-stack-start* - *control-stack-start* - *control-stack-end* - - ;; the floating point constants - *fp-constant-0d0* - *fp-constant-1d0* - *fp-constant-0f0* - *fp-constant-1f0* - ;; The following are all long-floats. - *fp-constant-0l0* - *fp-constant-1l0* - *fp-constant-pi* - *fp-constant-l2t* - *fp-constant-l2e* - *fp-constant-lg2* - *fp-constant-ln2* - - ;; The ..SLOT-UNBOUND.. symbol is static in order to optimise the - ;; common slot unbound check. - ;; - ;; FIXME: In SBCL, the CLOS code has become sufficiently tightly - ;; integrated into the system that it'd probably make sense to use - ;; the ordinary unbound marker for this. - sb!pcl::..slot-unbound.. - )) + (append + *common-static-symbols* + *c-callable-static-symbols* + '(*alien-stack* + + ;; 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* + + ;; the floating point constants + *fp-constant-0d0* + *fp-constant-1d0* + *fp-constant-0f0* + *fp-constant-1f0* + ;; The following are all long-floats. + *fp-constant-0l0* + *fp-constant-1l0* + *fp-constant-pi* + *fp-constant-l2t* + *fp-constant-l2e* + *fp-constant-lg2* + *fp-constant-ln2* + + ;; 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. + sb!alien::*enter-alien-callback* + + ;; see comments in ../x86-64/parms.lisp + sb!pcl::..slot-unbound..))) (defparameter *static-funs* '(length