-;;;; miscellaneous VM definition noise for the x86
+;;;; miscellaneous VM definition noise for the Alpha
;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;; files for more information.
(in-package "SB!VM")
-
-
\f
-;;;; Define the registers
+;;;; defining the registers
(eval-when (:compile-toplevel :load-toplevel :execute)
(defvar *register-names* (make-array 32 :initial-element nil)))
(macrolet ((defreg (name offset)
(let ((offset-sym (symbolicate name "-OFFSET")))
`(eval-when (:compile-toplevel :load-toplevel :execute)
- (defconstant ,offset-sym ,offset)
- (setf (svref *register-names* ,offset-sym) ,(symbol-name name)))))
+ (def!constant ,offset-sym ,offset)
+ (setf (svref *register-names* ,offset-sym)
+ ,(symbol-name name)))))
(defregset (name &rest regs)
`(eval-when (:compile-toplevel :load-toplevel :execute)
(defparameter ,name
- (list ,@(mapcar #'(lambda (name)
- (symbolicate name "-OFFSET"))
+ (list ,@(mapcar (lambda (name)
+ (symbolicate name "-OFFSET"))
regs))))))
;; c.f. src/runtime/alpha-lispregs.h
-
+
;; Ra
(defreg lip 0)
;; Caller saved 0-7
(defreg nsp 30)
;; Wired zero
(defreg zero 31)
-
+
(defregset non-descriptor-regs
nl0 nl1 nl2 nl3 nl4 nl5 nfp cfunc)
-
+
(defregset descriptor-regs
fdefn lexenv nargs ocfp lra a0 a1 a2 a3 a4 a5 l0 l1 l2)
-
+
(defregset *register-arg-offsets*
a0 a1 a2 a3 a4 a5)
(defparameter register-arg-names '(a0 a1 a2 a3 a4 a5)))
(define-storage-base constant :non-packed)
(define-storage-base immediate-constant :non-packed)
-;;;
-;;; Handy macro so we don't have to keep changing all the numbers whenever
-;;; we insert a new storage class.
-;;; FIXME: This macro is not needed in the runtime target.
+;;; a handy macro so we don't have to keep changing all the numbers
+;;; whenever we insert a new storage class.
-(defmacro define-storage-classes (&rest classes)
+(defmacro !define-storage-classes (&rest classes)
(do ((forms (list 'progn)
- (let* ((class (car classes))
- (sc-name (car class))
- (constant-name (intern (concatenate 'simple-string
- (string sc-name)
- "-SC-NUMBER"))))
- (list* `(define-storage-class ,sc-name ,index
- ,@(cdr class))
- `(defconstant ,constant-name ,index)
- `(export ',constant-name)
- forms)))
+ (let* ((class (car classes))
+ (sc-name (car class))
+ (constant-name (intern (concatenate 'simple-string
+ (string sc-name)
+ "-SC-NUMBER"))))
+ (list* `(define-storage-class ,sc-name ,index
+ ,@(cdr class))
+ `(def!constant ,constant-name ,index)
+ ;; (The CMU CL version of this macro did
+ ;; `(EXPORT ',CONSTANT-NAME)
+ ;; here, but in SBCL we try to have package
+ ;; structure described statically in one
+ ;; master source file, instead of building it
+ ;; dynamically by letting all the system code
+ ;; modify it as the system boots.)
+ forms)))
(index 0 (1+ index))
(classes classes (cdr classes)))
((null classes)
(nreverse forms))))
-;;; see comment in ../x86/vm.lisp. The value of 7 was taken from
-;;; vm:catch-block-size in a cmucl that I happened to have around
-;;; and seems to be working so far -dan
-(defconstant sb!vm::kludge-nondeterministic-catch-block-size 7)
-
+(def!constant kludge-nondeterministic-catch-block-size 7)
-(define-storage-classes
+(!define-storage-classes
- ;; Non-immediate contstants in the constant pool
+ ;; non-immediate constants in the constant pool
(constant constant)
;; ZERO and NULL are in registers.
;; The control stack. (Scanned by GC)
(control-stack control-stack)
- ;; The non-descriptor stacks.
- (signed-stack non-descriptor-stack
- :element-size 2 :alignment 2) ; (signed-byte 64)
- (unsigned-stack non-descriptor-stack
- :element-size 2 :alignment 2) ; (unsigned-byte 64)
- (base-char-stack non-descriptor-stack) ; non-descriptor characters.
- (sap-stack non-descriptor-stack
- :element-size 2 :alignment 2) ; System area pointers.
- (single-stack non-descriptor-stack) ; single-floats
- (double-stack non-descriptor-stack
- :element-size 2 :alignment 2) ; double floats.
- (complex-single-stack non-descriptor-stack :element-size 2)
- (complex-double-stack non-descriptor-stack :element-size 4 :alignment 2)
-
-
- ;; **** Things that can go in the integer registers.
+ ;; We put ANY-REG and DESCRIPTOR-REG early so that their SC-NUMBER
+ ;; is small and therefore the error trap information is smaller.
+ ;; Moving them up here from their previous place down below saves
+ ;; ~250K in core file size. --njf, 2006-01-27
;; Immediate descriptor objects. Don't have to be seen by GC, but nothing
;; bad will happen if they are. (fixnums, characters, header values, etc).
(any-reg
registers
:locations #.(append non-descriptor-regs descriptor-regs)
-; :locations #.non-descriptor-regs
:constant-scs (zero immediate)
:save-p t
:alternate-scs (control-stack))
;; Pointer descriptor objects. Must be seen by GC.
(descriptor-reg registers
- :locations #.descriptor-regs
- :constant-scs (constant null immediate)
- :save-p t
- :alternate-scs (control-stack))
+ :locations #.descriptor-regs
+ :constant-scs (constant null immediate)
+ :save-p t
+ :alternate-scs (control-stack))
+
+ ;; The non-descriptor stacks.
+ (signed-stack non-descriptor-stack
+ :element-size 2 :alignment 2) ; (signed-byte 64)
+ (unsigned-stack non-descriptor-stack
+ :element-size 2 :alignment 2) ; (unsigned-byte 64)
+ (character-stack non-descriptor-stack) ; non-descriptor characters.
+ (sap-stack non-descriptor-stack
+ :element-size 2 :alignment 2) ; System area pointers.
+ (single-stack non-descriptor-stack) ; single-floats
+ (double-stack non-descriptor-stack
+ :element-size 2 :alignment 2) ; double floats.
+ (complex-single-stack non-descriptor-stack :element-size 2)
+ (complex-double-stack non-descriptor-stack :element-size 4 :alignment 2)
+
+
+ ;; **** Things that can go in the integer registers.
;; Non-Descriptor characters
- (base-char-reg registers
+ (character-reg registers
:locations #.non-descriptor-regs
:constant-scs (immediate)
:save-p t
- :alternate-scs (base-char-stack))
+ :alternate-scs (character-stack))
;; Non-Descriptor SAP's (arbitrary pointers into address space)
(sap-reg registers
;; A catch or unwind block.
(catch-block control-stack
- :element-size sb!vm::kludge-nondeterministic-catch-block-size))
-
+ :element-size kludge-nondeterministic-catch-block-size))
\f
-;;;; Make some random tns for important registers.
-
+;;; Make some random tns for important registers.
(macrolet ((defregtn (name sc)
(let ((offset-sym (symbolicate name "-OFFSET"))
(tn-sym (symbolicate name "-TN")))
`(defparameter ,tn-sym
(make-random-tn :kind :normal
- :sc (sc-or-lose ',sc)
- :offset ,offset-sym)))))
+ :sc (sc-or-lose ',sc)
+ :offset ,offset-sym)))))
;; These, we access by foo-TN only
(defregtn ocfp any-reg)
(defregtn lip interior-reg))
-;; And some floating point values.
+;; and some floating point values..
(defparameter fp-single-zero-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'single-reg)
- :offset 31))
+ :sc (sc-or-lose 'single-reg)
+ :offset 31))
(defparameter fp-double-zero-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'double-reg)
- :offset 31))
-
+ :sc (sc-or-lose 'double-reg)
+ :offset 31))
\f
-;;; Immediate-Constant-SC -- Interface
-;;;
-;;; If value can be represented as an immediate constant, then return the
-;;; appropriate SC number, otherwise return NIL.
-;;;
+;;; If value can be represented as an immediate constant, then return
+;;; the appropriate SC number, otherwise return NIL.
(!def-vm-support-routine immediate-constant-sc (value)
(typecase value
((integer 0 0)
(sc-number-or-lose 'zero))
(null
(sc-number-or-lose 'null ))
- ((or fixnum system-area-pointer character)
+ ((or (integer #.sb!xc:most-negative-fixnum #.sb!xc:most-positive-fixnum)
+ system-area-pointer character)
(sc-number-or-lose 'immediate ))
(symbol
(if (static-symbol-p value)
- (sc-number-or-lose 'immediate )
- nil))
+ (sc-number-or-lose 'immediate )
+ nil))
(single-float
(if (eql value 0f0)
- (sc-number-or-lose 'fp-single-zero )
- nil))
+ (sc-number-or-lose 'fp-single-zero )
+ nil))
(double-float
(if (eql value 0d0)
- (sc-number-or-lose 'fp-double-zero )
- nil))))
+ (sc-number-or-lose 'fp-double-zero )
+ nil))))
\f
-;;;; Function Call Parameters
+;;;; function call parameters
-;;; The SC numbers for register and stack arguments/return values.
-;;;
-(defconstant register-arg-scn (meta-sc-number-or-lose 'descriptor-reg))
-(defconstant immediate-arg-scn (meta-sc-number-or-lose 'any-reg))
-(defconstant control-stack-arg-scn (meta-sc-number-or-lose 'control-stack))
+;;; the SC numbers for register and stack arguments/return values
+(def!constant register-arg-scn (meta-sc-number-or-lose 'descriptor-reg))
+(def!constant immediate-arg-scn (meta-sc-number-or-lose 'any-reg))
+(def!constant control-stack-arg-scn (meta-sc-number-or-lose 'control-stack))
(eval-when (:compile-toplevel :load-toplevel :execute)
-;;; Offsets of special stack frame locations
-(defconstant ocfp-save-offset 0)
-(defconstant lra-save-offset 1)
-(defconstant nfp-save-offset 2)
+;;; offsets of special stack frame locations
+(def!constant ocfp-save-offset 0)
+(def!constant lra-save-offset 1)
+(def!constant nfp-save-offset 2)
-;;; The number of arguments/return values passed in registers.
-;;;
-(defconstant register-arg-count 6)
+;;; the number of arguments/return values passed in registers
+(def!constant register-arg-count 6)
-;;; Names to use for the argument registers.
-;;;
+;;; (Names to use for the argument registers would go here, but there
+;;; are none.)
+); EVAL-WHEN
-); Eval-When (Compile Load Eval)
-
-
-;;; A list of TN's describing the register arguments.
-;;;
+;;; a list of TN's describing the register arguments
(defparameter *register-arg-tns*
- (mapcar #'(lambda (n)
- (make-random-tn :kind :normal
- :sc (sc-or-lose 'descriptor-reg)
- :offset n))
- *register-arg-offsets*))
-
-;;; SINGLE-VALUE-RETURN-BYTE-OFFSET
-;;;
-;;; This is used by the debugger.
-;;;
-(export 'single-value-return-byte-offset)
-(defconstant single-value-return-byte-offset 4)
+ (mapcar (lambda (n)
+ (make-random-tn :kind :normal
+ :sc (sc-or-lose 'descriptor-reg)
+ :offset n))
+ *register-arg-offsets*))
+;;; This is used by the debugger.
+(def!constant single-value-return-byte-offset 4)
\f
-;;; LOCATION-PRINT-NAME -- Interface
-;;;
-;;; This function is called by debug output routines that want a pretty name
-;;; for a TN's location. It returns a thing that can be printed with PRINC.
-;;;
+;;; This function is called by debug output routines that want a
+;;; pretty name for a TN's location. It returns a thing that can be
+;;; printed with PRINC.
(!def-vm-support-routine location-print-name (tn)
; (declare (type tn tn))
(let ((sb (sb-name (sc-sb (tn-sc tn))))
- (offset (tn-offset tn)))
+ (offset (tn-offset tn)))
(ecase sb
(registers (or (svref *register-names* offset)
- (format nil "R~D" offset)))
+ (format nil "R~D" offset)))
(float-registers (format nil "F~D" offset))
(control-stack (format nil "CS~D" offset))
(non-descriptor-stack (format nil "NS~D" offset))
(constant (format nil "Const~D" offset))
(immediate-constant "Immed"))))
+
+(!def-vm-support-routine combination-implementation-style (node)
+ (declare (type sb!c::combination node) (ignore node))
+ (values :default nil))