+;;;; miscellaneous VM definition noise for HPPA
+
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
+
(in-package "SB!VM")
\f
-;;;; Define the registers
+;;;; Registers
(eval-when (:compile-toplevel :load-toplevel :execute)
(defvar *register-names* (make-array 32 :initial-element nil)))
-;;; FIXME: These want to turn into macrolets.
(macrolet ((defreg (name offset)
- (let ((offset-sym (symbolicate name "-OFFSET")))
- `(eval-when (:compile-toplevel :load-toplevel :execute)
- (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")) regs))))))
-
+ (let ((offset-sym (symbolicate name "-OFFSET")))
+ `(eval-when (:compile-toplevel :load-toplevel :execute)
+ (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")) regs))))))
;; Wired-zero
(defreg zero 0)
;; This gets trashed by the C call convention.
- (defreg nfp 1)
+ (defreg nfp 1) ;; and saved by lisp before calling C
(defreg cfunc 2)
;; These are the callee saves, so these registers are stay live over
;; call-out.
(defreg lip 31)
(defregset non-descriptor-regs
- nl0 nl1 nl2 nl3 nl4 nl5 nfp cfunc)
+ nl0 nl1 nl2 nl3 nl4 nl5 cfunc nargs nfp)
(defregset descriptor-regs
- fdefn lexenv nargs ocfp lra a0 a1 a2 a3 a4 a5 l0 l1 l2)
+ a0 a1 a2 a3 a4 a5 fdefn lexenv ocfp lra l0 l1 l2)
(defregset *register-arg-offsets*
- a0 a1 a2 a3 a4 a5))
+ a0 a1 a2 a3 a4 a5)
+
+ (defregset reserve-descriptor-regs
+ fdefn lexenv)
+ (defregset reserve-non-descriptor-regs
+ cfunc))
(define-storage-base registers :finite :size 32)
(define-storage-base float-registers :finite :size 64)
;;;
;;; Handy macro so we don't have to keep changing all the numbers whenever
;;; we insert a new storage class.
-;;;
+;;; FIXME-lav: move this into arch-generic-helpers.lisp and rip out from arches
(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)
+ forms)))
(index 0 (1+ index))
(classes classes (cdr classes)))
((null classes)
(nreverse forms))))
-(def!constant sb!vm::kludge-nondeterministic-catch-block-size 7)
+(def!constant kludge-nondeterministic-catch-block-size 6)
(!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) ; (signed-byte 32)
- (unsigned-stack non-descriptor-stack) ; (unsigned-byte 32)
- (base-char-stack non-descriptor-stack) ; non-descriptor characters.
- (sap-stack non-descriptor-stack) ; 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)
- :constant-scs (zero immediate)
+ :reserve-locations #.(append reserve-non-descriptor-regs
+ reserve-descriptor-regs)
+ :constant-scs (constant zero immediate)
:save-p t
:alternate-scs (control-stack))
;; Pointer descriptor objects. Must be seen by GC.
(descriptor-reg registers
:locations #.descriptor-regs
+ :reserve-locations #.reserve-descriptor-regs
:constant-scs (constant null immediate)
:save-p t
:alternate-scs (control-stack))
+ ;; The non-descriptor stacks.
+ (signed-stack non-descriptor-stack) ; (signed-byte 32)
+ (unsigned-stack non-descriptor-stack) ; (unsigned-byte 32)
+ (character-stack non-descriptor-stack) ; non-descriptor characters.
+ (sap-stack non-descriptor-stack) ; 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
+ :reserve-locations #.reserve-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
:locations #.non-descriptor-regs
+ :reserve-locations #.reserve-non-descriptor-regs
:constant-scs (immediate)
:save-p t
:alternate-scs (sap-stack))
;; Non-Descriptor (signed or unsigned) numbers.
(signed-reg registers
:locations #.non-descriptor-regs
+ :reserve-locations #.reserve-non-descriptor-regs
:constant-scs (zero immediate)
:save-p t
:alternate-scs (signed-stack))
(unsigned-reg registers
:locations #.non-descriptor-regs
+ :reserve-locations #.reserve-non-descriptor-regs
:constant-scs (zero immediate)
:save-p t
:alternate-scs (unsigned-stack))
:alternate-scs (complex-double-stack))
;; A catch or unwind block.
- (catch-block control-stack :element-size sb!vm::kludge-nondeterministic-catch-block-size))
+ (catch-block control-stack :element-size kludge-nondeterministic-catch-block-size)
+
+
+ ;; floating point numbers temporarily stuck in integer registers for c-call
+ (single-int-carg-reg registers
+ :locations (26 25 24 23)
+ :alternate-scs ()
+ :constant-scs ())
+ (double-int-carg-reg registers
+ :locations (25 23)
+ :constant-scs ()
+ :alternate-scs ()
+; :alignment 2 ;is this needed?
+; :element-size 2
+ ))
\f
;;;; Make some random tns for important registers.
+;;; how can we address reg L0 through L0-offset when it is not
+;;; defined here ? do all registers have an -offset and this is
+;;; redundant work ?
+;;;
+;;; FIXME-lav: move this into arch-generic-helpers
(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)))))
+ (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)))))
;; These, we access by foo-TN only
-
+
(defregtn zero any-reg)
+ (defregtn nargs any-reg)
+ ;; FIXME-lav: 20080820: not a fix, but fdefn and lexenv is used in assembly-rtns
+ (defregtn fdefn descriptor-reg) ; FIXME-lav, not used
+ (defregtn lexenv descriptor-reg) ; FIXME-lav, not used
+
+ (defregtn nfp descriptor-reg) ; why not descriptor-reg ?
+ (defregtn ocfp any-reg) ; why not descriptor-reg ?
+
(defregtn null descriptor-reg)
- (defregtn code descriptor-reg)
- (defregtn alloc any-reg)
+
(defregtn bsp any-reg)
- (defregtn csp any-reg)
(defregtn cfp any-reg)
+ (defregtn csp any-reg)
+ (defregtn alloc any-reg)
(defregtn nsp any-reg)
-
- ;; These alias regular locations, so we have to make sure we don't bypass
- ;; the register allocator when using them.
- (defregtn nargs any-reg)
- (defregtn ocfp any-reg)
+
+ (defregtn code descriptor-reg)
(defregtn lip interior-reg))
;; And some floating point values.
(defparameter fp-single-zero-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'single-reg)
- :offset 0))
+ :sc (sc-or-lose 'single-reg)
+ :offset 0))
(defparameter fp-double-zero-tn
(make-random-tn :kind :normal
- :sc (sc-or-lose 'double-reg)
- :offset 0))
+ :sc (sc-or-lose 'double-reg)
+ :offset 0))
\f
-;;; Immediate-Constant-SC -- Interface
-;;;
-;;; 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)
+;;; If VALUE can be represented as an immediate constant, then return
+;;; the appropriate SC number, otherwise return NIL.
+(defun 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 (zerop value)
- (sc-number-or-lose 'fp-single-zero)
- nil))
+ (sc-number-or-lose 'fp-single-zero)
+ nil))
(double-float
(if (zerop value)
- (sc-number-or-lose 'fp-double-zero)
- nil))))
+ (sc-number-or-lose 'fp-double-zero)
+ nil))))
+(defun boxed-immediate-sc-p (sc)
+ (or (eql sc (sc-number-or-lose 'zero))
+ (eql sc (sc-number-or-lose 'null))
+ (eql sc (sc-number-or-lose 'immediate))))
\f
;;;; 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))
+(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)
+(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)
+(def!constant register-arg-count 6)
;;; Names to use for the argument registers.
-;;;
+;;;
(defconstant-eqx register-arg-names '(a0 a1 a2 a3 a4 a5) #'equal)
-); Eval-When (:Compile-Toplevel :Load-Toplevel :Execute)
+) ; EVAL-WHEN
;;; 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.
-;;;
-(defconstant single-value-return-byte-offset 4)
+(defparameter *register-arg-tns*
+ (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
+;;; 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)
+(defun 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"))))
-;;; The loader uses this to convert alien names to the form they
-;;; occure in the symbol table (for example, prepending an
-;;; underscore). On the HPPA we just leave it alone.
-(defun extern-alien-name (name)
- (declare (type simple-base-string name))
- name)
+(defun combination-implementation-style (node)
+ (declare (type sb!c::combination node) (ignore node))
+ (values :default nil))
+
+(defun primitive-type-indirect-cell-type (ptype)
+ (declare (ignore ptype))
+ nil)
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