X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=f55cf9c1ee7b45959f5a4c8aa08460ef1245998b;hb=b66385e2031fc2cac17dd129df0af400beb48a22;hp=27d9cd3118cbd3d48fb4ee3f739c43594eba1575;hpb=3a618201c9f2370bb8784217a866d000371769e5;p=sbcl.git diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp index 27d9cd3..f55cf9c 100644 --- a/src/compiler/x86/parms.lisp +++ b/src/compiler/x86/parms.lisp @@ -35,11 +35,9 @@ ;;; addressable object (def!constant n-byte-bits 8) -;;; the number of bits to shift between word addresses and byte addresses -(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits)))) - -;;; the number of bytes in a word -(def!constant n-word-bytes (/ n-word-bits n-byte-bits)) +;;; The size in bytes of the GENCGC pages. Should be a multiple of the +;;; architecture code size. +(def!constant gencgc-page-size 4096) (def!constant float-sign-shift 31) @@ -47,7 +45,7 @@ ;;; These values were taken from the alpha code. The values for ;;; bias and exponent min/max are not the same as shown in the 486 book. ;;; They may be correct for how Python uses them. -(def!constant single-float-bias 126) ; Intel says 127. +(def!constant single-float-bias 126) ; Intel says 127. (defconstant-eqx single-float-exponent-byte (byte 8 23) #'equalp) (defconstant-eqx single-float-significand-byte (byte 23 0) #'equalp) ;;; comment from CMU CL: @@ -71,7 +69,7 @@ (defconstant-eqx long-float-significand-byte (byte 31 0) #'equalp) (def!constant long-float-normal-exponent-min 1) (def!constant long-float-normal-exponent-max #x7FFE) -(def!constant long-float-hidden-bit (ash 1 31)) ; actually not hidden +(def!constant long-float-hidden-bit (ash 1 31)) ; actually not hidden (def!constant long-float-trapping-nan-bit (ash 1 30)) (def!constant single-float-digits @@ -84,12 +82,12 @@ (+ (byte-size long-float-significand-byte) n-word-bits 1)) ;;; pfw -- from i486 microprocessor programmer's reference manual -(def!constant float-invalid-trap-bit (ash 1 0)) +(def!constant float-invalid-trap-bit (ash 1 0)) (def!constant float-denormal-trap-bit (ash 1 1)) (def!constant float-divide-by-zero-trap-bit (ash 1 2)) (def!constant float-overflow-trap-bit (ash 1 3)) (def!constant float-underflow-trap-bit (ash 1 4)) -(def!constant float-inexact-trap-bit (ash 1 5)) +(def!constant float-inexact-trap-bit (ash 1 5)) (def!constant float-round-to-nearest 0) (def!constant float-round-to-negative 1) @@ -153,54 +151,111 @@ ;;; set the top-down mmap allocation option in the kernel (not yet ;;; the default), all bets are totally off! -#!+linux +#!+win32 (progn - (def!constant read-only-space-start #x01000000) - (def!constant read-only-space-end #x037ff000) + (def!constant read-only-space-start #x02000000) + (def!constant read-only-space-end #x047ff000) (def!constant static-space-start #x05000000) (def!constant static-space-end #x07fff000) (def!constant dynamic-space-start #x09000000) - (def!constant dynamic-space-end #x29000000)) + (def!constant dynamic-space-end #x29000000) + + (def!constant linkage-table-space-start #x30000000) + (def!constant linkage-table-space-end #x40000000)) + +#!+linux +(progn + (def!constant read-only-space-start #x01000000) + (def!constant read-only-space-end #x037ff000) + + (def!constant static-space-start #x05000000) + (def!constant static-space-end #x07fff000) + + (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)) + +#!+sunos +(progn + (def!constant read-only-space-start #x20000000) + (def!constant read-only-space-end #x2ffff000) + + (def!constant static-space-start #x40000000) + (def!constant static-space-end #x42fff000) + + (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)) -#!+(or freebsd openbsd) +#!+freebsd (progn + (def!constant read-only-space-start #x10000000) + (def!constant read-only-space-end #x1ffff000) - (def!constant read-only-space-start - #!+freebsd #x10000000 - #!+openbsd #x40000000) - (def!constant read-only-space-end - #!+freebsd #x1ffff000 - #!+openbsd #x47fff000) - - (def!constant static-space-start - #!+freebsd #x30000000 - #!+openbsd #x50000000) - (def!constant static-space-end - #!+freebsd #x37fff000 - #!+openbsd #x5ffff000) - - (def!constant dynamic-space-start - #!+freebsd #x48000000 - #!+openbsd #x80000000) - (def!constant dynamic-space-end - #!+freebsd #x88000000 - #!+openbsd #xA0000000)) + (def!constant static-space-start #x30000000) + (def!constant static-space-end #x37fff000) + + (def!constant dynamic-space-start #x48000000) + (def!constant dynamic-space-end #x88000000) + + ;; In CMUCL: 0xB0000000->0xB1000000 + (def!constant linkage-table-space-start #x90000000) + (def!constant linkage-table-space-end #x91000000)) + +#!+openbsd +(progn + (def!constant read-only-space-start #x40000000) + (def!constant read-only-space-end #x47fff000) + + (def!constant static-space-start #x50000000) + (def!constant static-space-end #x5ffff000) + + (def!constant dynamic-space-start #x80000000) + (def!constant dynamic-space-end #xA0000000) + + ;; In CMUCL: 0xB0000000->0xB1000000 + (def!constant linkage-table-space-start #xA0000000) + (def!constant linkage-table-space-end #xA1000000)) #!+netbsd (progn + (def!constant read-only-space-start #x20000000) + (def!constant read-only-space-end #x2ffff000) + + (def!constant static-space-start #x30000000) + (def!constant static-space-end #x37fff000) + + (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)) + + +#!+darwin +(progn + (def!constant read-only-space-start #x01000000) + (def!constant read-only-space-end #x04ff8000) - (def!constant read-only-space-start #x20000000) - (def!constant read-only-space-end #x2ffff000) + (def!constant static-space-start #x08000000) + (def!constant static-space-end #x097fff00) - (def!constant static-space-start #x30000000) - (def!constant static-space-end #x37fff000) + (def!constant dynamic-space-start #x10000000) + (def!constant dynamic-space-end #x6ffff000) - (def!constant dynamic-space-start #x60000000) - (def!constant dynamic-space-end #x98000000)) + (def!constant linkage-table-space-start #x0a000000) + (def!constant linkage-table-space-end #x0b000000)) +;;; Size of one linkage-table entry in bytes. +(def!constant linkage-table-entry-size 8) ;;; Given that NIL is the first thing allocated in static space, we ;;; know its value at compile time: @@ -215,7 +270,9 @@ cerror breakpoint fun-end-breakpoint - single-step-breakpoint) + single-step-around + single-step-before + #!+win32 context-restore) ;; HACK: The Win32 exception handling system does wrong things with this. ;;; FIXME: It'd be nice to replace all the DEFENUMs with something like ;;; (WITH-DEF-ENUM (:START 8) ;;; (DEF-ENUM HALT-TRAP) @@ -224,7 +281,7 @@ ;;; 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) @@ -249,74 +306,45 @@ (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!di::handle-breakpoint - fdefinition-object - #!+sb-thread sb!thread::handle-thread-exit - - ;; 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* - - *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* + + ;; 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