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;;; -*- Package: C; Log: C.Log -*-
;;;
;;; **********************************************************************
;;; This code was written as part of the CMU Common Lisp project at
;;; Carnegie Mellon University, and has been placed in the public domain.
;;;
(ext:file-comment
"$Header: src/compiler/generic/vm-fndb.lisp $")
;;; **********************************************************************
;;;
;;; This file defines the machine specific function signatures.
;;;
;;; Written by William Lott.
;;;
(in-package "C")
(intl:textdomain "cmucl")
(import '(lisp::%raw-bits lisp::simple-array-p))
(export '(current-sp current-fp
stack-ref %set-stack-ref lra-code-header
function-code-header make-lisp-obj get-lisp-obj-address
function-word-offset
funcallable-instance-p %funcallable-instance-info
%set-funcallable-instance-info %funcallable-instance-function
%funcallable-instance-lexenv
code-header-ref code-header-set code-instructions
shift-towards-start shift-towards-end
function-subtype
32bit-logical-not
32bit-logical-and 32bit-logical-nand
32bit-logical-or 32bit-logical-nor
32bit-logical-xor 32bit-logical-eqv
32bit-logical-andc1 32bit-logical-andc2
;;;; Internal type predicates:
;;;
;;; Simple typep uses that don't have any standard predicate are translated
;;; into non-standard unary predicates.
(defknown (fixnump bignump ratiop
short-float-p single-float-p double-float-p long-float-p
#+double-double double-double-float-p
complex-rational-p complex-float-p complex-single-float-p
complex-double-float-p #+long-float complex-long-float-p
#+double-double
complex-double-double-float-p
base-char-p %standard-char-p %instancep
array-header-p simple-array-p simple-array-unsigned-byte-2-p
simple-array-unsigned-byte-4-p simple-array-unsigned-byte-8-p
simple-array-unsigned-byte-16-p simple-array-unsigned-byte-32-p
simple-array-signed-byte-8-p simple-array-signed-byte-16-p
simple-array-signed-byte-30-p simple-array-signed-byte-32-p
simple-array-single-float-p simple-array-double-float-p
simple-array-complex-single-float-p
simple-array-complex-double-float-p
#+long-float simple-array-complex-long-float-p
#+double-double simple-array-double-double-float-p
system-area-pointer-p realp unsigned-byte-32-p signed-byte-32-p
weak-pointer-p scavenger-hook-p code-component-p lra-p
funcallable-instance-p
#+double-double double-double-float-p
#+double-double simple-array-double-double-float-p
#+double-double simple-array-complex-double-double-float-p)
(t) boolean (movable foldable flushable))
;;;; Miscellaneous "sub-primitives":
(defknown %sp-string-compare
(simple-string index index simple-string index index)
(or index null)
(foldable flushable))
(defknown %sxhash-simple-string (simple-string) index
(foldable flushable))
(defknown %sxhash-simple-substring (simple-string index) index
(foldable flushable))
(defknown vector-length (vector) index (flushable))
(defknown vector-sap ((simple-unboxed-array (*))) system-area-pointer
(flushable))
(defknown get-lowtag (t) (unsigned-byte #.vm:lowtag-bits)
(flushable movable))
(defknown get-type (t) (unsigned-byte #.vm:type-bits)
(flushable movable))
(defknown (get-header-data get-closure-length) (t) (unsigned-byte 24)
(flushable))
(defknown set-header-data (t (unsigned-byte 24)) t
(unsafe))
(defknown %make-instance (index) instance
(flushable movable))
(defknown %instance-layout (instance) layout
(foldable flushable))
(defknown %set-instance-layout (instance layout) layout
(unsafe))
(defknown %instance-length (instance) index
(foldable flushable))
(defknown %instance-ref (instance index) t
(defknown %instance-set (instance index t) t
(defknown %layout-invalid-error (t layout) nil)
(deftype raw-vector () '(simple-array (unsigned-byte 32) (*)))
(defknown %raw-ref-single (raw-vector index) single-float
(foldable flushable))
(defknown %raw-ref-double (raw-vector index) double-float
(foldable flushable))
#+long-float
(defknown %raw-ref-long (raw-vector index) long-float
(foldable flushable))
(defknown %raw-set-single (raw-vector index single-float) single-float
(unsafe))
(defknown %raw-set-double (raw-vector index double-float) double-float
(unsafe))
#+long-float
(defknown %raw-set-long (raw-vector index long-float) long-float
(defknown %raw-ref-complex-single (raw-vector index) (complex single-float)
(foldable flushable))
(defknown %raw-ref-complex-double (raw-vector index) (complex double-float)
(foldable flushable))
#+long-float
(defknown %raw-ref-complex-long (raw-vector index) (complex long-float)
(foldable flushable))
(defknown %raw-set-complex-single (raw-vector index (complex single-float))
(complex single-float)
(unsafe))
(defknown %raw-set-complex-double (raw-vector index (complex double-float))
(complex double-float)
(unsafe))
#+long-float
(defknown %raw-set-complex-long (raw-vector index (complex long-float))
(complex long-float)
(unsafe))
(defknown %raw-bits (t fixnum) (unsigned-byte #+amd64 64 #-amd64 32)
(defknown (%set-raw-bits) (t fixnum (unsigned-byte #+amd64 64 #-amd64 32))
(unsigned-byte #+amd64 64 #-amd64 32)
(defknown allocate-vector ((unsigned-byte 8) index index) (simple-array * (*))
(flushable movable))
(defknown make-array-header ((unsigned-byte 8) (unsigned-byte 24)) array
(flushable movable))
(defknown make-weak-pointer (t) weak-pointer
(defknown %make-scavenger-hook (t function) scavenger-hook
(flushable))
(defknown ((setf scavenger-hook-value)) (t scavenger-hook) t
(unsafe))
(defknown %make-complex (real real) complex
(flushable movable))
(defknown %make-ratio (rational rational) ratio
(flushable movable))
(defknown make-value-cell (t) t
(flushable movable))
(defknown (dynamic-space-free-pointer binding-stack-pointer-sap
control-stack-pointer-sap) ()
system-area-pointer
(flushable))
;;;; Debugger support:
(defknown current-sp () system-area-pointer (movable flushable))
(defknown current-fp () system-area-pointer (movable flushable))
(defknown stack-ref (system-area-pointer index) t (flushable))
(defknown %set-stack-ref (system-area-pointer index t) t (unsafe))
(defknown lra-code-header (t) t (movable flushable))
(defknown function-code-header (t) t (movable flushable))
(defknown make-lisp-obj ((unsigned-byte 32)) t (movable flushable))
(defknown get-lisp-obj-address (t) (unsigned-byte 32) (movable flushable))
(defknown function-word-offset (function) index (movable flushable))
;;;; 32bit logical operations
(defknown merge-bits ((unsigned-byte 5) (unsigned-byte 32) (unsigned-byte 32))
(unsigned-byte 32)
(foldable flushable movable))
(defknown 32bit-logical-not ((unsigned-byte 32)) (unsigned-byte 32)
(foldable flushable movable))
(defknown (32bit-logical-and 32bit-logical-nand
32bit-logical-or 32bit-logical-nor
32bit-logical-xor 32bit-logical-eqv
32bit-logical-andc1 32bit-logical-andc2
32bit-logical-orc1 32bit-logical-orc2)
((unsigned-byte 32) (unsigned-byte 32)) (unsigned-byte 32)
(foldable flushable movable))
(defknown (shift-towards-start shift-towards-end)
((unsigned-byte #+amd64 64 #-amd64 32) fixnum)
(unsigned-byte #+amd64 64 #-amd64 32)
(foldable flushable movable))
(defknown %allocate-bignum (bignum-index) bignum-type
(defknown %bignum-length (bignum-type) bignum-index
(defknown %bignum-set-length (bignum-type bignum-index) bignum-type
(defknown %bignum-ref (bignum-type bignum-index) bignum-element-type
(defknown %bignum-set (bignum-type bignum-index bignum-element-type)
(defknown %digit-0-or-plusp (bignum-element-type) boolean
(defknown (%add-with-carry %subtract-with-borrow)
(bignum-element-type bignum-element-type (mod 2))
(values bignum-element-type (mod 2))
(foldable flushable movable))
(defknown %multiply-and-add
(bignum-element-type bignum-element-type bignum-element-type
&optional bignum-element-type)
(values bignum-element-type bignum-element-type)
(foldable flushable movable))
(defknown %multiply (bignum-element-type bignum-element-type)
(values bignum-element-type bignum-element-type)
(foldable flushable movable))
(defknown %lognot (bignum-element-type) bignum-element-type
(defknown (%logand %logior %logxor) (bignum-element-type bignum-element-type)
bignum-element-type
(foldable flushable movable))
(defknown %fixnum-to-digit (fixnum) bignum-element-type
(foldable flushable movable))
(defknown %floor (bignum-element-type bignum-element-type bignum-element-type)
(values bignum-element-type bignum-element-type)
(foldable flushable movable))
(defknown %fixnum-digit-with-correct-sign (bignum-element-type)
(signed-byte #.vm:word-bits)
(defknown (%ashl %ashr %digit-logical-shift-right)
(bignum-element-type (mod #+amd64 64 #-amd64 32)) bignum-element-type
(foldable flushable movable))
;;;; Bit-bashing routines.
(defknown copy-to-system-area
((simple-unboxed-array (*)) index system-area-pointer index index)
())
(defknown copy-from-system-area
(system-area-pointer index (simple-unboxed-array (*)) index index)
())
(defknown system-area-copy
(system-area-pointer index system-area-pointer index index)
(defknown (bit-bash-copy byte-bash-copy)
((simple-unboxed-array (*)) vm::offset
(simple-unboxed-array (*)) vm::offset vm::offset)
;;;; Code/function/fdefn object manipulation routines.
(defknown code-instructions (t) system-area-pointer (flushable movable))
(defknown code-header-ref (t index) t (flushable))
(defknown code-header-set (t index t) t ())
(defknown function-subtype (function) (unsigned-byte #.vm:type-bits)
(flushable))
(defknown ((setf function-subtype))
((unsigned-byte #.vm:type-bits) function)
(unsigned-byte #.vm:type-bits)
())
(defknown make-fdefn (t) fdefn (flushable movable))
(defknown fdefn-p (t) boolean (movable foldable flushable))
(defknown fdefn-name (fdefn) t (foldable flushable))
(defknown fdefn-function (fdefn) (or function null) (flushable))
(defknown (setf fdefn-function) (function fdefn) t (unsafe))
(defknown fdefn-makunbound (fdefn) t ())
(defknown %function-self (function) function
(flushable))
(defknown (setf %function-self) (function function) function
(unsafe))
(defknown %closure-function (function) function
(flushable))
(defknown %closure-index-ref (function index) t
(flushable))
(defknown %make-funcallable-instance (index layout) function
(unsafe))
(defknown %funcallable-instance-info (function index) t (flushable))
(defknown %set-funcallable-instance-info (function index t) t (unsafe))