;;;; This file contains some parameterizations of various VM
-;;;; attributes for the PPC. This file is separate from other stuff so
-;;;; that it can be compiled and loaded earlier.
+;;;; attributes for the PPC. This file is separate from other stuff so
+;;;; that it can be compiled and loaded earlier.
;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;; object
(def!constant n-byte-bits 8)
+;;; flags for the generational garbage collector
+(def!constant pseudo-atomic-interrupted-flag 1)
+(def!constant pseudo-atomic-flag 4)
(def!constant float-sign-shift 31)
(def!constant float-round-to-positive 2)
(def!constant float-round-to-negative 3)
-(defconstant-eqx float-rounding-mode (byte 2 0) #'equalp) ; RD
+(defconstant-eqx float-rounding-mode (byte 2 0) #'equalp) ; RD
;;; FIXME I: Beware, all ye who trespass here. Despite its name,
;;; FLOAT-STICKY-BITS is not the byte specifier for sticky bits in the
;;; floating point control word. It is more like "accrued exceptions"
;;; where FLOAT-EXCEPTIONS-BYTE is "current exceptions". Consequently,
;;; on architectures where there is no "current exceptions"
;;; FLOAT-EXCEPTIONS-BYTE and FLOAT-STICKY-BITS had better be the
-;;; same.
+;;; same.
;;;
;;; FIXME II: So, I've now documented this in comments in the PowerPC
;;; tree. This may not make it easy to find for when new architectures
;;; CSR, 2002-06-11
(defconstant-eqx float-sticky-bits (byte 5 25) #'equalp)
(defconstant-eqx float-traps-byte (byte 5 3) #'equalp)
-(defconstant-eqx float-exceptions-byte (byte 5 25) #'equalp) ; cexc
+(defconstant-eqx float-exceptions-byte (byte 5 25) #'equalp) ; cexc
-(def!constant float-fast-bit 2) ; Non-IEEE mode
+(def!constant float-fast-bit 2) ; Non-IEEE mode
\f
-;;; Where to put the different spaces.
+;;;; Where to put the different spaces.
-(def!constant read-only-space-start #x01000000)
-(def!constant read-only-space-end #x04ff8000)
+;;; On non-gencgc we need large dynamic and static spaces for PURIFY
+#!-gencgc
+(progn
+ (def!constant read-only-space-start #x04000000)
+ (def!constant read-only-space-end #x07ff8000)
+ (def!constant static-space-start #x08000000)
+ (def!constant static-space-end #x097fff00)
+
+ (def!constant linkage-table-space-start #x0a000000)
+ (def!constant linkage-table-space-end #x0b000000))
-(def!constant static-space-start #x08000000)
-(def!constant static-space-end #x097fff00)
+;;; While on gencgc we don't.
+#!+gencgc
+(!gencgc-space-setup #x04000000
+ #!+linux #x4f000000
+ #!+netbsd #x4f000000
+ #!+openbsd #x4f000000
+ #!+darwin #x10000000)
-;;; FIXME: this is a gross violation of OAOO, done purely to support
-;;; the #define of DYNAMIC_SPACE_SIZE in validate.c -- CSR, 2002-02-25
-;;; (these numbers should match dynamic-0-*)
-(def!constant dynamic-space-start #x40000000)
-(def!constant dynamic-space-end #x47fff000)
+(def!constant linkage-table-entry-size 16)
-;;; nothing _seems_ to be using these addresses
-(def!constant dynamic-0-space-start #x40000000)
-(def!constant dynamic-0-space-end #x47fff000)
-(def!constant dynamic-1-space-start #x48000000)
-(def!constant dynamic-1-space-end #x4ffff000)
+#!+linux
+(progn
+ #!-gencgc
+ (progn
+ (def!constant dynamic-0-space-start #x4f000000)
+ (def!constant dynamic-0-space-end #x66fff000)
+ (def!constant dynamic-1-space-start #x67000000)
+ (def!constant dynamic-1-space-end #x7efff000)))
+
+#!+netbsd
+(progn
+ #!-gencgc
+ (progn
+ (def!constant dynamic-0-space-start #x4f000000)
+ (def!constant dynamic-0-space-end #x66fff000)
+ (def!constant dynamic-1-space-start #x67000000)
+ (def!constant dynamic-1-space-end #x7efff000)))
+
+;;; Text and data segments start at #x01800000. Range for randomized
+;;; malloc() starts #x20000000 (MAXDSIZ) after end of data seg and
+;;; extends 256 MB. Use 512 - 64 MB for dynamic space so we can run
+;;; under default resource limits.
+;;; FIXME: MAXDSIZ is a kernel parameter, and can vary as high as 1GB.
+;;; These parameters should probably be tested under such a configuration,
+;;; as rare as it might or might not be.
+#!+openbsd
+(progn
+ #!-gencgc
+ (progn
+ (def!constant dynamic-0-space-start #x4f000000)
+ (def!constant dynamic-0-space-end #x5cfff000)
+ (def!constant dynamic-1-space-start #x5f000000)
+ (def!constant dynamic-1-space-end #x6cfff000)))
#!+darwin
(progn
- (def!constant linkage-table-space-start #x50000000)
- (def!constant linkage-table-space-end #x51000000)
- (def!constant linkage-table-entry-size 16))
+ #!-gencgc
+ (progn
+ (def!constant dynamic-0-space-start #x10000000)
+ (def!constant dynamic-0-space-end #x3ffff000)
+ (def!constant dynamic-1-space-start #x40000000)
+ (def!constant dynamic-1-space-end #x6ffff000)))
\f
-;;;; Other random constants.
-
-(defenum (:suffix -trap :start 8)
- halt
- pending-interrupt
- error
- cerror
- breakpoint
- fun-end-breakpoint
- after-breakpoint
- fixnum-additive-overflow)
-
-(defenum (:prefix object-not- :suffix -trap :start 16)
- list
- instance)
-
-(defenum (:prefix trace-table-)
- normal
- call-site
- fun-prologue
- fun-epilogue)
-
+;;;; Other miscellaneous constants.
+
+(defenum (:start 8)
+ halt-trap
+ pending-interrupt-trap
+ error-trap
+ cerror-trap
+ breakpoint-trap
+ fun-end-breakpoint-trap
+ after-breakpoint-trap
+ fixnum-additive-overflow-trap
+ single-step-around-trap
+ single-step-before-trap)
+
+(defenum (:start 24)
+ object-not-list-trap
+ object-not-instance-trap)
\f
;;;; Static symbols.
;;; can be loaded directly out of them by indirecting relative to NIL.
;;;
(defparameter *static-symbols*
- '(t
-
- ;; The C startup code must fill these in.
- *posix-argv*
-
- ;; functions that the C code needs to call
- sb!impl::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!di::handle-breakpoint
- sb!impl::fdefinition-object
-
- ;; free pointers
- *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*
-
- *binding-stack-start*
- *control-stack-start*
- *control-stack-end*
-
- ;; interrupt handling
- *free-interrupt-context-index*
- sb!unix::*interrupts-enabled*
- sb!unix::*interrupt-pending*
-
-
- ))
+ (append
+ *common-static-symbols*
+ *c-callable-static-symbols*
+ '(
+ #!+gencgc *restart-lisp-function*
+
+ ;; CLH: 20060210 Taken from x86-64/parms.lisp per JES' suggestion
+ ;; 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*)))
(defparameter *static-funs*
'(length
sb!kernel:two-arg->
sb!kernel:two-arg-=
sb!kernel:two-arg-<=
- sb!kernel:two-arg->=
+ sb!kernel:two-arg->=
sb!kernel:two-arg-/=
eql
sb!kernel:%negate
sb!kernel:two-arg-eqv
sb!kernel:two-arg-gcd
sb!kernel:two-arg-lcm))
-
-\f
-;;;; Assembler parameters:
-
-;;; The number of bits per element in the assemblers code vector.
-;;;
-(defparameter *assembly-unit-length* 8)
projects / sbcl.git / blobdiff