X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fparms.lisp;h=f1043a6f2ce671beceb3188e2768945f2519e7a0;hb=cd8fe50554652680dde36396d7862fc6cc83839c;hp=3d49ed2b78af9ee0909881ffaf928051bba14f06;hpb=5e1fcdac979db9a6aebe69531229355def8c0f90;p=sbcl.git diff --git a/src/compiler/x86/parms.lisp b/src/compiler/x86/parms.lisp index 3d49ed2..f1043a6 100644 --- a/src/compiler/x86/parms.lisp +++ b/src/compiler/x86/parms.lisp @@ -35,13 +35,17 @@ ;;; addressable object (def!constant n-byte-bits 8) +;;; 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) ;;; comment from CMU CL: ;;; 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: @@ -65,7 +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 @@ -78,12 +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) @@ -147,6 +151,18 @@ ;;; set the top-down mmap allocation option in the kernel (not yet ;;; the default), all bets are totally off! +#!+win32 +(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)) + #!+linux (progn (def!constant read-only-space-start #x01000000) @@ -161,6 +177,20 @@ (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)) + #!+freebsd (progn (def!constant read-only-space-start #x10000000) @@ -206,6 +236,21 @@ (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 static-space-start #x08000000) + (def!constant static-space-end #x097fff00) + + (def!constant dynamic-space-start #x10000000) + (def!constant dynamic-space-end #x6ffff000) + + (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) @@ -222,7 +267,8 @@ cerror breakpoint fun-end-breakpoint - single-step-breakpoint) + single-step-breakpoint + #!+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) @@ -269,16 +315,18 @@ sub-gc sb!kernel::internal-error sb!kernel::control-stack-exhausted-error - sb!kernel::undefined-alien-error + sb!kernel::undefined-alien-variable-error + sb!kernel::undefined-alien-function-error + sb!kernel::memory-fault-error sb!di::handle-breakpoint fdefinition-object - #!+sb-thread sb!thread::handle-thread-exit + #!+win32 sb!kernel::handle-win32-exception ;; 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. + ;; representing them this way, we can avoid consing bignums. ;; -- WHN 2000-10-02 *read-only-space-free-pointer* *static-space-free-pointer* @@ -295,9 +343,14 @@ sb!unix::*interrupts-enabled* sb!unix::*interrupt-pending* *free-interrupt-context-index* + *gc-inhibit* + #!+sb-thread *stop-for-gc-pending* + *gc-pending* + #!+sb-thread sb!thread::run-interruption *free-tls-index* - + *tls-index-lock* + *allocation-pointer* *binding-stack-pointer* *binding-stack-start* @@ -318,6 +371,13 @@ *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* + ;; The ..SLOT-UNBOUND.. symbol is static in order to optimise the ;; common slot unbound check. ;;