1 ;;;; signatures of machine-specific functions
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; This software is derived from the CMU CL system, which was
7 ;;;; written at Carnegie Mellon University and released into the
8 ;;;; public domain. The software is in the public domain and is
9 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
10 ;;;; files for more information.
14 ;;;; internal type predicates
16 ;;; Simple TYPEP uses that don't have any standard predicate are
17 ;;; translated into non-standard unary predicates.
18 (defknown (fixnump bignump ratiop
19 short-float-p single-float-p double-float-p long-float-p
20 complex-rational-p complex-float-p complex-single-float-p
21 complex-double-float-p #!+long-float complex-long-float-p
23 base-char-p %standard-char-p %instancep
24 base-string-p simple-base-string-p
25 #!+sb-unicode character-string-p
26 #!+sb-unicode simple-character-string-p
28 simple-array-p simple-array-nil-p vector-nil-p
29 simple-array-unsigned-byte-2-p
30 simple-array-unsigned-byte-4-p simple-array-unsigned-byte-7-p
31 simple-array-unsigned-byte-8-p simple-array-unsigned-byte-15-p
32 simple-array-unsigned-byte-16-p
33 #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
34 simple-array-unsigned-byte-29-p
35 simple-array-unsigned-byte-31-p
36 simple-array-unsigned-byte-32-p
37 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
38 simple-array-unsigned-byte-60-p
39 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
40 simple-array-unsigned-byte-63-p
41 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
42 simple-array-unsigned-byte-64-p
43 simple-array-signed-byte-8-p simple-array-signed-byte-16-p
44 #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
45 simple-array-signed-byte-30-p
46 simple-array-signed-byte-32-p
47 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
48 simple-array-signed-byte-61-p
49 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
50 simple-array-signed-byte-64-p
51 simple-array-single-float-p simple-array-double-float-p
52 #!+long-float simple-array-long-float-p
53 simple-array-complex-single-float-p
54 simple-array-complex-double-float-p
55 #!+long-float simple-array-complex-long-float-p
56 system-area-pointer-p realp
57 ;; #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
59 ;; #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
61 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
63 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
65 vector-t-p weak-pointer-p code-component-p lra-p
66 funcallable-instance-p)
67 (t) boolean (movable foldable flushable))
69 ;;;; miscellaneous "sub-primitives"
71 (defknown %sp-string-compare
72 (simple-string index index simple-string index index)
76 (defknown %sxhash-simple-string (simple-string) index
79 (defknown %sxhash-simple-substring (simple-string index) index
82 (defknown symbol-hash (symbol) (integer 0 #.sb!xc:most-positive-fixnum)
85 (defknown %set-symbol-hash (symbol (integer 0 #.sb!xc:most-positive-fixnum))
88 (defknown vector-length (vector) index (flushable))
90 (defknown vector-sap ((simple-unboxed-array (*))) system-area-pointer
93 (defknown lowtag-of (t) (unsigned-byte #.sb!vm:n-lowtag-bits)
95 (defknown widetag-of (t) (unsigned-byte #.sb!vm:n-widetag-bits)
98 (defknown (get-header-data get-closure-length) (t) (unsigned-byte 24)
100 (defknown set-header-data (t (unsigned-byte 24)) t
103 (defknown %array-dimension (t index) index
105 (defknown %set-array-dimension (t index index) index
107 (defknown %array-rank (t) index
110 (defknown %make-instance (index) instance
112 (defknown %instance-layout (instance) layout
113 (foldable flushable))
114 (defknown %set-instance-layout (instance layout) layout
116 (defknown %instance-length (instance) index
117 (foldable flushable))
118 (defknown %instance-ref (instance index) t
119 (flushable always-translatable))
120 (defknown %instance-set (instance index t) t
121 (unsafe always-translatable))
122 (defknown %layout-invalid-error (t layout) nil)
126 (defknown %raw-instance-ref/word (instance index) sb!vm:word
127 (flushable always-translatable))
128 (defknown %raw-instance-set/word (instance index sb!vm:word) sb!vm:word
129 (unsafe always-translatable))
130 (defknown %raw-instance-ref/single (instance index) single-float
131 (flushable always-translatable))
132 (defknown %raw-instance-set/single (instance index single-float) single-float
133 (unsafe always-translatable))
134 (defknown %raw-instance-ref/double (instance index) double-float
135 (flushable always-translatable))
136 (defknown %raw-instance-set/double (instance index double-float) double-float
137 (unsafe always-translatable))
138 (defknown %raw-instance-ref/complex-single (instance index)
139 (complex single-float)
140 (flushable always-translatable))
141 (defknown %raw-instance-set/complex-single
142 (instance index (complex single-float))
143 (complex single-float)
144 (unsafe always-translatable))
145 (defknown %raw-instance-ref/complex-double (instance index)
146 (complex double-float)
147 (flushable always-translatable))
148 (defknown %raw-instance-set/complex-double
149 (instance index (complex double-float))
150 (complex double-float)
151 (unsafe always-translatable))
154 ;;; %RAW-{REF,SET}-FOO VOPs should be declared as taking a RAW-VECTOR
155 ;;; as their first argument (clarity and to match these DEFKNOWNs).
156 ;;; We declare RAW-VECTOR as a primitive type so the VOP machinery
157 ;;; will accept our VOPs as legitimate. --njf, 2004-08-10
159 ;;; These are only used on HPPA, since on HPPA implements raw slots in
160 ;;; structures with an indirection vector; all other ports implement
161 ;;; raw slots directly in the structure. --njf, 2006-06-02
164 (sb!xc:deftype raw-vector () '(simple-array sb!vm:word (*)))
166 (sb!vm::!def-primitive-type-alias raw-vector
167 #!+#.(cl:if (cl:= 32 sb!vm:n-word-bits) '(and) '(or))
168 sb!vm::simple-array-unsigned-byte-32
169 #!+#.(cl:if (cl:= 64 sb!vm:n-word-bits) '(and) '(or))
170 sb!vm::simple-array-unsigned-byte-64)
172 (defknown %raw-ref-single (raw-vector index) single-float
173 (foldable flushable always-translatable))
174 (defknown %raw-ref-double (raw-vector index) double-float
175 (foldable flushable always-translatable))
177 (defknown %raw-ref-long (raw-vector index) long-float
178 (foldable flushable always-translatable))
179 (defknown %raw-set-single (raw-vector index single-float) single-float
180 (unsafe always-translatable))
181 (defknown %raw-set-double (raw-vector index double-float) double-float
182 (unsafe always-translatable))
184 (defknown %raw-set-long (raw-vector index long-float) long-float
185 (unsafe always-translatable))
187 (defknown %raw-ref-complex-single (raw-vector index) (complex single-float)
188 (foldable flushable always-translatable))
189 (defknown %raw-ref-complex-double (raw-vector index) (complex double-float)
190 (foldable flushable always-translatable))
192 (defknown %raw-set-complex-single (raw-vector index (complex single-float))
193 (complex single-float)
194 (unsafe always-translatable))
195 (defknown %raw-set-complex-double (raw-vector index (complex double-float))
196 (complex double-float)
197 (unsafe always-translatable))
200 (defknown %raw-bits (t fixnum) sb!vm:word
201 (foldable flushable))
202 (defknown (%set-raw-bits) (t fixnum sb!vm:word) sb!vm:word
204 ;; These two are mostly used for bit-bashing operations.
205 (defknown %vector-raw-bits (t fixnum) sb!vm:word
206 (foldable flushable))
207 (defknown (%set-vector-raw-bits) (t fixnum sb!vm:word) sb!vm:word
211 (defknown allocate-vector ((unsigned-byte 8) index index) (simple-array * (*))
214 (defknown make-array-header ((unsigned-byte 8) (unsigned-byte 24)) array
218 (defknown make-weak-pointer (t) weak-pointer
221 (defknown %make-complex (real real) complex
223 (defknown %make-ratio (rational rational) ratio
225 (defknown make-value-cell (t) t
232 (defknown sb!vm::%make-lutex () sb!vm::lutex ())
233 (defknown sb!vm::lutexp (t) boolean (foldable flushable)))
235 (defknown (dynamic-space-free-pointer binding-stack-pointer-sap
236 control-stack-pointer-sap) ()
240 ;;;; debugger support
242 (defknown current-sp () system-area-pointer (movable flushable))
243 (defknown current-fp () system-area-pointer (movable flushable))
244 (defknown stack-ref (system-area-pointer index) t (flushable))
245 (defknown %set-stack-ref (system-area-pointer index t) t (unsafe))
246 (defknown lra-code-header (t) t (movable flushable))
247 (defknown fun-code-header (t) t (movable flushable))
248 (defknown make-lisp-obj (sb!vm:word) t (movable flushable))
249 (defknown get-lisp-obj-address (t) sb!vm:word (movable flushable))
250 (defknown fun-word-offset (function) index (movable flushable))
252 ;;;; 32-bit logical operations
254 (defknown merge-bits ((unsigned-byte 5) sb!vm:word sb!vm:word)
256 (foldable flushable movable))
258 (defknown word-logical-not (sb!vm:word) sb!vm:word
259 (foldable flushable movable))
261 (defknown (word-logical-and word-logical-nand
262 word-logical-or word-logical-nor
263 word-logical-xor word-logical-eqv
264 word-logical-andc1 word-logical-andc2
265 word-logical-orc1 word-logical-orc2)
266 (sb!vm:word sb!vm:word) sb!vm:word
267 (foldable flushable movable))
269 (defknown (shift-towards-start shift-towards-end) (sb!vm:word fixnum)
271 (foldable flushable movable))
273 ;;;; bignum operations
275 (defknown %allocate-bignum (bignum-index) bignum-type
278 (defknown %bignum-length (bignum-type) bignum-index
279 (foldable flushable movable))
281 (defknown %bignum-set-length (bignum-type bignum-index) bignum-type
284 (defknown %bignum-ref (bignum-type bignum-index) bignum-element-type
287 (defknown %bignum-set (bignum-type bignum-index bignum-element-type)
291 (defknown %digit-0-or-plusp (bignum-element-type) boolean
292 (foldable flushable movable))
294 (defknown (%add-with-carry %subtract-with-borrow)
295 (bignum-element-type bignum-element-type (mod 2))
296 (values bignum-element-type (mod 2))
297 (foldable flushable movable))
299 (defknown %multiply-and-add
300 (bignum-element-type bignum-element-type bignum-element-type
301 &optional bignum-element-type)
302 (values bignum-element-type bignum-element-type)
303 (foldable flushable movable))
305 (defknown %multiply (bignum-element-type bignum-element-type)
306 (values bignum-element-type bignum-element-type)
307 (foldable flushable movable))
309 (defknown %lognot (bignum-element-type) bignum-element-type
310 (foldable flushable movable))
312 (defknown (%logand %logior %logxor) (bignum-element-type bignum-element-type)
314 (foldable flushable movable))
316 (defknown %fixnum-to-digit (fixnum) bignum-element-type
317 (foldable flushable movable))
319 (defknown %floor (bignum-element-type bignum-element-type bignum-element-type)
320 (values bignum-element-type bignum-element-type)
321 (foldable flushable movable))
323 (defknown %fixnum-digit-with-correct-sign (bignum-element-type)
324 (signed-byte #.sb!vm:n-word-bits)
325 (foldable flushable movable))
327 (defknown (%ashl %ashr %digit-logical-shift-right)
328 (bignum-element-type (mod #.sb!vm:n-word-bits)) bignum-element-type
329 (foldable flushable movable))
331 ;;;; bit-bashing routines
333 ;;; FIXME: there's some ugly duplication between the (INTERN (FORMAT ...))
334 ;;; magic here and the same magic in src/code/bit-bash.lisp. I don't know
335 ;;; of any good way to clean it up, but it's definitely violating OAOO.
336 (macrolet ((define-known-copiers ()
338 ,@(loop for i = 1 then (* i 2)
339 collect `(defknown ,(intern (format nil "UB~D-BASH-COPY" i)
340 (find-package "SB!KERNEL"))
341 ((simple-unboxed-array (*)) index (simple-unboxed-array (*)) index index)
344 collect `(defknown ,(intern (format nil "SYSTEM-AREA-UB~D-COPY" i)
345 (find-package "SB!KERNEL"))
346 (system-area-pointer index system-area-pointer index index)
349 collect `(defknown ,(intern (format nil "COPY-UB~D-TO-SYSTEM-AREA" i)
350 (find-package "SB!KERNEL"))
351 ((simple-unboxed-array (*)) index system-area-pointer index index)
354 collect `(defknown ,(intern (format nil "COPY-UB~D-FROM-SYSTEM-AREA" i)
355 (find-package "SB!KERNEL"))
356 (system-area-pointer index (simple-unboxed-array (*)) index index)
359 until (= i sb!vm:n-word-bits)))))
360 (define-known-copiers))
362 ;;; (not really a bit-bashing routine, but starting to take over from
363 ;;; bit-bashing routines in byte-sized copies as of sbcl-0.6.12.29:)
365 ((or (simple-unboxed-array (*)) system-area-pointer) index
366 (or (simple-unboxed-array (*)) system-area-pointer) index index)
370 ;;;; code/function/fdefn object manipulation routines
372 (defknown code-instructions (t) system-area-pointer (flushable movable))
373 (defknown code-header-ref (t index) t (flushable))
374 (defknown code-header-set (t index t) t ())
376 (defknown fun-subtype (function) (unsigned-byte #.sb!vm:n-widetag-bits)
378 (defknown ((setf fun-subtype))
379 ((unsigned-byte #.sb!vm:n-widetag-bits) function)
380 (unsigned-byte #.sb!vm:n-widetag-bits)
383 (defknown make-fdefn (t) fdefn (flushable movable))
384 (defknown fdefn-p (t) boolean (movable foldable flushable))
385 (defknown fdefn-name (fdefn) t (foldable flushable))
386 (defknown fdefn-fun (fdefn) (or function null) (flushable))
387 (defknown (setf fdefn-fun) (function fdefn) t (unsafe))
388 (defknown fdefn-makunbound (fdefn) t ())
390 (defknown %simple-fun-self (function) function
392 (defknown (setf %simple-fun-self) (function function) function
395 (defknown %closure-fun (function) function
398 (defknown %closure-index-ref (function index) t
401 (defknown %make-funcallable-instance (index) function
404 (defknown %funcallable-instance-info (function index) t (flushable))
405 (defknown %set-funcallable-instance-info (function index t) t (unsafe))
407 ;;;; mutator accessors
409 (defknown mutator-self () system-area-pointer (flushable movable))
411 (defknown %data-vector-and-index (array index)
412 (values (simple-array * (*)) index)
413 (foldable flushable))