1 ;;;; function call for the x86 VM
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 ;;;; interfaces to IR2 conversion
16 ;;; Return a wired TN describing the N'th full call argument passing
18 (!def-vm-support-routine standard-arg-location (n)
19 (declare (type unsigned-byte n))
20 (if (< n register-arg-count)
21 (make-wired-tn *backend-t-primitive-type* descriptor-reg-sc-number
22 (nth n *register-arg-offsets*))
23 (make-wired-tn *backend-t-primitive-type* control-stack-sc-number n)))
25 ;;; Make a passing location TN for a local call return PC.
27 ;;; Always wire the return PC location to the stack in its standard
29 (!def-vm-support-routine make-return-pc-passing-location (standard)
30 (declare (ignore standard))
31 (make-wired-tn (primitive-type-or-lose 'system-area-pointer)
32 sap-stack-sc-number return-pc-save-offset))
34 ;;; This is similar to MAKE-RETURN-PC-PASSING-LOCATION, but makes a
35 ;;; location to pass OLD-FP in.
37 ;;; This is wired in both the standard and the local-call conventions,
38 ;;; because we want to be able to assume it's always there. Besides,
39 ;;; the x86 doesn't have enough registers to really make it profitable
40 ;;; to pass it in a register.
41 (!def-vm-support-routine make-old-fp-passing-location (standard)
42 (declare (ignore standard))
43 (make-wired-tn *fixnum-primitive-type* control-stack-sc-number
46 ;;; Make the TNs used to hold OLD-FP and RETURN-PC within the current
47 ;;; function. We treat these specially so that the debugger can find
48 ;;; them at a known location.
50 ;;; Without using a save-tn - which does not make much sense if it is
51 ;;; wired to the stack?
52 (!def-vm-support-routine make-old-fp-save-location (physenv)
53 (physenv-debug-live-tn (make-wired-tn *fixnum-primitive-type*
54 control-stack-sc-number
57 (!def-vm-support-routine make-return-pc-save-location (physenv)
58 (physenv-debug-live-tn
59 (make-wired-tn (primitive-type-or-lose 'system-area-pointer)
60 sap-stack-sc-number return-pc-save-offset)
63 ;;; Make a TN for the standard argument count passing location. We only
64 ;;; need to make the standard location, since a count is never passed when we
65 ;;; are using non-standard conventions.
66 (!def-vm-support-routine make-arg-count-location ()
67 (make-wired-tn *fixnum-primitive-type* any-reg-sc-number ecx-offset))
69 ;;; Make a TN to hold the number-stack frame pointer. This is allocated
70 ;;; once per component, and is component-live.
71 (!def-vm-support-routine make-nfp-tn ()
72 (make-restricted-tn *fixnum-primitive-type* ignore-me-sc-number))
74 (!def-vm-support-routine make-stack-pointer-tn ()
75 (make-normal-tn *fixnum-primitive-type*))
77 (!def-vm-support-routine make-number-stack-pointer-tn ()
78 (make-restricted-tn *fixnum-primitive-type* ignore-me-sc-number))
80 ;;; Return a list of TNs that can be used to represent an unknown-values
81 ;;; continuation within a function.
82 (!def-vm-support-routine make-unknown-values-locations ()
83 (list (make-stack-pointer-tn)
84 (make-normal-tn *fixnum-primitive-type*)))
86 ;;; This function is called by the ENTRY-ANALYZE phase, allowing
87 ;;; VM-dependent initialization of the IR2-COMPONENT structure. We
88 ;;; push placeholder entries in the CONSTANTS to leave room for
89 ;;; additional noise in the code object header.
90 (!def-vm-support-routine select-component-format (component)
91 (declare (type component component))
92 ;; The 1+ here is because for the x86 the first constant is a
93 ;; pointer to a list of fixups, or NIL if the code object has none.
94 ;; (If I understand correctly, the fixups are needed at GC copy
95 ;; time because the X86 code isn't relocatable.)
97 ;; KLUDGE: It'd be cleaner to have the fixups entry be a named
98 ;; element of the CODE (aka component) primitive object. However,
99 ;; it's currently a large, tricky, error-prone chore to change
100 ;; the layout of any primitive object, so for the foreseeable future
101 ;; we'll just live with this ugliness. -- WHN 2002-01-02
102 (dotimes (i (1+ code-constants-offset))
103 (vector-push-extend nil
104 (ir2-component-constants (component-info component))))
109 ;;; This is used for setting up the Old-FP in local call.
110 (define-vop (current-fp)
111 (:results (val :scs (any-reg control-stack)))
115 ;;; We don't have a separate NFP, so we don't need to do anything here.
116 (define-vop (compute-old-nfp)
122 (define-vop (xep-allocate-frame)
123 (:info start-lab copy-more-arg-follows)
126 (align n-lowtag-bits)
127 (trace-table-entry trace-table-fun-prologue)
128 (emit-label start-lab)
129 ;; Skip space for the function header.
130 (inst simple-fun-header-word)
131 (dotimes (i (1- simple-fun-code-offset))
134 ;; The start of the actual code.
135 ;; Save the return-pc.
136 (popw ebp-tn (- (1+ return-pc-save-offset)))
138 ;; If copy-more-arg follows it will allocate the correct stack
139 ;; size. The stack is not allocated first here as this may expose
140 ;; args on the stack if they take up more space than the frame!
141 (unless copy-more-arg-follows
142 ;; The args fit within the frame so just allocate the frame.
144 (make-ea :dword :base ebp-tn
145 :disp (- (* n-word-bytes
146 (max 3 (sb-allocated-size 'stack)))))))
148 (trace-table-entry trace-table-normal)))
150 ;;; This is emitted directly before either a known-call-local, call-local,
151 ;;; or a multiple-call-local. All it does is allocate stack space for the
152 ;;; callee (who has the same size stack as us).
153 (define-vop (allocate-frame)
154 (:results (res :scs (any-reg control-stack))
160 (inst sub esp-tn (* n-word-bytes (sb-allocated-size 'stack)))))
162 ;;; Allocate a partial frame for passing stack arguments in a full
163 ;;; call. NARGS is the number of arguments passed. We allocate at
164 ;;; least 3 slots, because the XEP noise is going to want to use them
165 ;;; before it can extend the stack.
166 (define-vop (allocate-full-call-frame)
168 (:results (res :scs (any-reg control-stack)))
171 (inst sub esp-tn (* (max nargs 3) n-word-bytes))))
173 ;;; Emit code needed at the return-point from an unknown-values call
174 ;;; for a fixed number of values. Values is the head of the TN-REF
175 ;;; list for the locations that the values are to be received into.
176 ;;; Nvals is the number of values that are to be received (should
177 ;;; equal the length of Values).
179 ;;; MOVE-TEMP is a DESCRIPTOR-REG TN used as a temporary.
181 ;;; This code exploits the fact that in the unknown-values convention,
182 ;;; a single value return returns at the return PC + 2, whereas a
183 ;;; return of other than one value returns directly at the return PC.
185 ;;; If 0 or 1 values are expected, then we just emit an instruction to
186 ;;; reset the SP (which will only be executed when other than 1 value
189 ;;; In the general case we have to do three things:
190 ;;; -- Default unsupplied register values. This need only be done
191 ;;; when a single value is returned, since register values are
192 ;;; defaulted by the called in the non-single case.
193 ;;; -- Default unsupplied stack values. This needs to be done whenever
194 ;;; there are stack values.
195 ;;; -- Reset SP. This must be done whenever other than 1 value is
196 ;;; returned, regardless of the number of values desired.
197 (defun default-unknown-values (vop values nvals)
198 (declare (type (or tn-ref null) values)
199 (type unsigned-byte nvals))
202 (note-this-location vop :single-value-return)
203 (let ((single-value (gen-label)))
204 (inst jmp :nc single-value)
205 (inst mov esp-tn ebx-tn)
206 (emit-label single-value)))
207 ((<= nvals register-arg-count)
208 (let ((regs-defaulted (gen-label)))
209 (note-this-location vop :unknown-return)
210 (inst jmp :c regs-defaulted)
211 ;; Default the unsuppled registers.
212 (let* ((2nd-tn-ref (tn-ref-across values))
213 (2nd-tn (tn-ref-tn 2nd-tn-ref)))
214 (inst mov 2nd-tn nil-value)
217 for tn-ref = (tn-ref-across 2nd-tn-ref)
218 then (tn-ref-across tn-ref)
219 for count from 2 below register-arg-count
220 do (inst mov (tn-ref-tn tn-ref) 2nd-tn))))
221 (inst mov ebx-tn esp-tn)
222 (emit-label regs-defaulted)
223 (inst mov esp-tn ebx-tn)))
225 ;; The number of bytes depends on the relative jump instructions.
226 ;; Best case is 31+(n-3)*14, worst case is 35+(n-3)*18. For
227 ;; NVALS=6 that is 73/89 bytes, and for NVALS=7 that is 87/107
228 ;; bytes which is likely better than using the blt below.
229 (let ((regs-defaulted (gen-label))
230 (defaulting-done (gen-label))
231 (default-stack-slots (gen-label)))
232 (note-this-location vop :unknown-return)
233 ;; Branch off to the MV case.
234 (inst jmp :c regs-defaulted)
235 ;; Do the single value case.
236 ;; Default the register args
237 (inst mov eax-tn nil-value)
239 (val (tn-ref-across values) (tn-ref-across val)))
240 ((= i (min nvals register-arg-count)))
241 (inst mov (tn-ref-tn val) eax-tn))
243 ;; Fake other registers so it looks like we returned with all the
244 ;; registers filled in.
247 (inst jmp default-stack-slots)
249 (emit-label regs-defaulted)
251 (inst mov eax-tn nil-value)
252 (storew edx-tn ebx-tn -1)
253 (collect ((defaults))
254 (do ((i register-arg-count (1+ i))
255 (val (do ((i 0 (1+ i))
256 (val values (tn-ref-across val)))
257 ((= i register-arg-count) val))
258 (tn-ref-across val)))
260 (let ((default-lab (gen-label))
261 (tn (tn-ref-tn val)))
262 (defaults (cons default-lab tn))
264 (inst cmp ecx-tn (fixnumize i))
265 (inst jmp :be default-lab)
266 (loadw edx-tn ebx-tn (- (1+ i)))
267 (inst mov tn edx-tn)))
269 (emit-label defaulting-done)
270 (loadw edx-tn ebx-tn -1)
273 (let ((defaults (defaults)))
275 (assemble (*elsewhere*)
276 (trace-table-entry trace-table-fun-prologue)
277 (emit-label default-stack-slots)
278 (dolist (default defaults)
279 (emit-label (car default))
280 (inst mov (cdr default) eax-tn))
281 (inst jmp defaulting-done)
282 (trace-table-entry trace-table-normal)))))))
284 ;; 91 bytes for this branch.
285 (let ((regs-defaulted (gen-label))
286 (restore-edi (gen-label))
287 (no-stack-args (gen-label))
288 (default-stack-vals (gen-label))
289 (count-okay (gen-label)))
290 (note-this-location vop :unknown-return)
291 ;; Branch off to the MV case.
292 (inst jmp :c regs-defaulted)
294 ;; Default the register args, and set up the stack as if we
295 ;; entered the MV return point.
296 (inst mov ebx-tn esp-tn)
298 (inst mov edi-tn nil-value)
300 (inst mov esi-tn edi-tn)
301 ;; Compute a pointer to where to put the [defaulted] stack values.
302 (emit-label no-stack-args)
304 (make-ea :dword :base ebp-tn
305 :disp (* (- (1+ register-arg-count)) n-word-bytes)))
306 ;; Load EAX with NIL so we can quickly store it, and set up
307 ;; stuff for the loop.
308 (inst mov eax-tn nil-value)
310 (inst mov ecx-tn (- nvals register-arg-count))
311 ;; solaris requires DF being zero.
313 ;; Jump into the default loop.
314 (inst jmp default-stack-vals)
316 ;; The regs are defaulted. We need to copy any stack arguments,
317 ;; and then default the remaining stack arguments.
318 (emit-label regs-defaulted)
320 (storew edi-tn ebx-tn (- (1+ 1)))
321 ;; Compute the number of stack arguments, and if it's zero or
322 ;; less, don't copy any stack arguments.
323 (inst sub ecx-tn (fixnumize register-arg-count))
324 (inst jmp :le no-stack-args)
326 ;; Throw away any unwanted args.
327 (inst cmp ecx-tn (fixnumize (- nvals register-arg-count)))
328 (inst jmp :be count-okay)
329 (inst mov ecx-tn (fixnumize (- nvals register-arg-count)))
330 (emit-label count-okay)
331 ;; Save the number of stack values.
332 (inst mov eax-tn ecx-tn)
333 ;; Compute a pointer to where the stack args go.
335 (make-ea :dword :base ebp-tn
336 :disp (* (- (1+ register-arg-count)) n-word-bytes)))
337 ;; Save ESI, and compute a pointer to where the args come from.
338 (storew esi-tn ebx-tn (- (1+ 2)))
340 (make-ea :dword :base ebx-tn
341 :disp (* (- (1+ register-arg-count)) n-word-bytes)))
343 (inst shr ecx-tn word-shift) ; make word count
347 ;; solaris requires DF being zero.
350 (loadw esi-tn ebx-tn (- (1+ 2)))
351 ;; Now we have to default the remaining args. Find out how many.
352 (inst sub eax-tn (fixnumize (- nvals register-arg-count)))
354 ;; If none, then just blow out of here.
355 (inst jmp :le restore-edi)
356 (inst mov ecx-tn eax-tn)
357 (inst shr ecx-tn word-shift) ; word count
358 ;; Load EAX with NIL for fast storing.
359 (inst mov eax-tn nil-value)
361 (emit-label default-stack-vals)
364 ;; solaris requires DF being zero.
366 ;; Restore EDI, and reset the stack.
367 (emit-label restore-edi)
368 (loadw edi-tn ebx-tn (- (1+ 1)))
369 (inst mov esp-tn ebx-tn))))
372 ;;;; unknown values receiving
374 ;;; Emit code needed at the return point for an unknown-values call
375 ;;; for an arbitrary number of values.
377 ;;; We do the single and non-single cases with no shared code: there
378 ;;; doesn't seem to be any potential overlap, and receiving a single
379 ;;; value is more important efficiency-wise.
381 ;;; When there is a single value, we just push it on the stack,
382 ;;; returning the old SP and 1.
384 ;;; When there is a variable number of values, we move all of the
385 ;;; argument registers onto the stack, and return ARGS and NARGS.
387 ;;; ARGS and NARGS are TNs wired to the named locations. We must
388 ;;; explicitly allocate these TNs, since their lifetimes overlap with
389 ;;; the results start and count. (Also, it's nice to be able to target
391 (defun receive-unknown-values (args nargs start count)
392 (declare (type tn args nargs start count))
393 (let ((variable-values (gen-label))
395 (inst jmp :c variable-values)
397 (cond ((location= start (first *register-arg-tns*))
398 (inst push (first *register-arg-tns*))
399 (inst lea start (make-ea :dword :base esp-tn :disp 4)))
400 (t (inst mov start esp-tn)
401 (inst push (first *register-arg-tns*))))
402 (inst mov count (fixnumize 1))
405 (emit-label variable-values)
406 ;; dtc: this writes the registers onto the stack even if they are
407 ;; not needed, only the number specified in ecx are used and have
408 ;; stack allocated to them. No harm is done.
410 for arg in *register-arg-tns*
412 do (storew arg args i))
419 ;;; VOP that can be inherited by unknown values receivers. The main thing this
420 ;;; handles is allocation of the result temporaries.
421 (define-vop (unknown-values-receiver)
422 (:temporary (:sc descriptor-reg :offset ebx-offset
423 :from :eval :to (:result 0))
425 (:temporary (:sc any-reg :offset ecx-offset
426 :from :eval :to (:result 1))
428 (:results (start :scs (any-reg control-stack))
429 (count :scs (any-reg control-stack))))
431 ;;;; local call with unknown values convention return
433 ;;; Non-TR local call for a fixed number of values passed according to
434 ;;; the unknown values convention.
436 ;;; FP is the frame pointer in install before doing the call.
438 ;;; NFP would be the number-stack frame pointer if we had a separate
441 ;;; Args are the argument passing locations, which are specified only
442 ;;; to terminate their lifetimes in the caller.
444 ;;; VALUES are the return value locations (wired to the standard
445 ;;; passing locations). NVALS is the number of values received.
447 ;;; Save is the save info, which we can ignore since saving has been
450 ;;; TARGET is a continuation pointing to the start of the called
452 (define-vop (call-local)
456 (:results (values :more t))
458 (:move-args :local-call)
459 (:info arg-locs callee target nvals)
461 (:ignore nfp arg-locs args #+nil callee)
463 (trace-table-entry trace-table-call-site)
466 (let ((ret-tn (callee-return-pc-tn callee)))
468 (format t "*call-local ~S; tn-kind ~S; tn-save-tn ~S; its tn-kind ~S~%"
469 ret-tn (sb!c::tn-kind ret-tn) (sb!c::tn-save-tn ret-tn)
470 (sb!c::tn-kind (sb!c::tn-save-tn ret-tn)))
472 ;; Is the return-pc on the stack or in a register?
475 #+nil (format t "*call-local: ret-tn on stack; offset=~S~%"
477 (storew (make-fixup nil :code-object return)
478 ebp-tn (- (1+ (tn-offset ret-tn)))))
480 (inst lea ret-tn (make-fixup nil :code-object return)))))
482 (note-this-location vop :call-site)
485 (default-unknown-values vop values nvals)
486 (trace-table-entry trace-table-normal)))
488 ;;; Non-TR local call for a variable number of return values passed according
489 ;;; to the unknown values convention. The results are the start of the values
490 ;;; glob and the number of values received.
491 (define-vop (multiple-call-local unknown-values-receiver)
496 (:move-args :local-call)
497 (:info save callee target)
498 (:ignore args save nfp #+nil callee)
501 (trace-table-entry trace-table-call-site)
504 (let ((ret-tn (callee-return-pc-tn callee)))
506 (format t "*multiple-call-local ~S; tn-kind ~S; tn-save-tn ~S; its tn-kind ~S~%"
507 ret-tn (sb!c::tn-kind ret-tn) (sb!c::tn-save-tn ret-tn)
508 (sb!c::tn-kind (sb!c::tn-save-tn ret-tn)))
510 ;; Is the return-pc on the stack or in a register?
513 #+nil (format t "*multiple-call-local: ret-tn on stack; offset=~S~%"
516 (storew (make-fixup nil :code-object return)
517 ebp-tn (- (1+ (tn-offset ret-tn)))))
520 (inst lea ret-tn (make-fixup nil :code-object return)))))
522 (note-this-location vop :call-site)
525 (note-this-location vop :unknown-return)
526 (receive-unknown-values values-start nvals start count)
527 (trace-table-entry trace-table-normal)))
529 ;;;; local call with known values return
531 ;;; Non-TR local call with known return locations. Known-value return
532 ;;; works just like argument passing in local call.
534 ;;; Note: we can't use normal load-tn allocation for the fixed args,
535 ;;; since all registers may be tied up by the more operand. Instead,
536 ;;; we use MAYBE-LOAD-STACK-TN.
537 (define-vop (known-call-local)
541 (:results (res :more t))
542 (:move-args :local-call)
544 (:info save callee target)
545 (:ignore args res save nfp #+nil callee)
548 (trace-table-entry trace-table-call-site)
551 (let ((ret-tn (callee-return-pc-tn callee)))
554 (format t "*known-call-local ~S; tn-kind ~S; tn-save-tn ~S; its tn-kind ~S~%"
555 ret-tn (sb!c::tn-kind ret-tn) (sb!c::tn-save-tn ret-tn)
556 (sb!c::tn-kind (sb!c::tn-save-tn ret-tn)))
558 ;; Is the return-pc on the stack or in a register?
561 #+nil (format t "*known-call-local: ret-tn on stack; offset=~S~%"
564 (storew (make-fixup nil :code-object return)
565 ebp-tn (- (1+ (tn-offset ret-tn)))))
568 (inst lea ret-tn (make-fixup nil :code-object return)))))
570 (note-this-location vop :call-site)
573 (note-this-location vop :known-return)
574 (trace-table-entry trace-table-normal)))
576 ;;; Return from known values call. We receive the return locations as
577 ;;; arguments to terminate their lifetimes in the returning function. We
578 ;;; restore FP and CSP and jump to the Return-PC.
580 ;;; We can assume we know exactly where old-fp and return-pc are because
581 ;;; make-old-fp-save-location and make-return-pc-save-location always
582 ;;; return the same place.
584 (define-vop (known-return)
586 (return-pc :scs (any-reg immediate-stack) :target rpc)
588 (:move-args :known-return)
590 (:temporary (:sc unsigned-reg :from (:argument 1)) rpc)
591 (:ignore val-locs vals)
594 (trace-table-entry trace-table-fun-epilogue)
595 ;; Save the return-pc in a register 'cause the frame-pointer is
596 ;; going away. Note this not in the usual stack location so we
599 ;; Restore the stack.
601 ;; Restore the old fp. We know OLD-FP is going to be in its stack
602 ;; save slot, which is a different frame that than this one,
603 ;; so we don't have to worry about having just cleared
604 ;; most of the stack.
607 (trace-table-entry trace-table-normal)))
609 ;;; From Douglas Crosher
610 ;;; Return from known values call. We receive the return locations as
611 ;;; arguments to terminate their lifetimes in the returning function. We
612 ;;; restore FP and CSP and jump to the Return-PC.
614 ;;; The old-fp may be either in a register or on the stack in its
615 ;;; standard save locations - slot 0.
617 ;;; The return-pc may be in a register or on the stack in any slot.
618 (define-vop (known-return)
622 (:move-args :known-return)
624 (:ignore val-locs vals)
627 (trace-table-entry trace-table-fun-epilogue)
629 #+nil (format t "*known-return: old-fp ~S, tn-kind ~S; ~S ~S~%"
630 old-fp (sb!c::tn-kind old-fp) (sb!c::tn-save-tn old-fp)
631 (sb!c::tn-kind (sb!c::tn-save-tn old-fp)))
633 #+nil (format t "*known-return: return-pc ~S, tn-kind ~S; ~S ~S~%"
634 return-pc (sb!c::tn-kind return-pc)
635 (sb!c::tn-save-tn return-pc)
636 (sb!c::tn-kind (sb!c::tn-save-tn return-pc)))
638 ;; return-pc may be either in a register or on the stack.
644 #+nil (format t "*known-return: old-fp ~S on stack; offset=~S~%"
645 old-fp (tn-offset old-fp))
647 (cond ((zerop (tn-offset old-fp))
648 ;; Zot all of the stack except for the old-fp.
649 (inst lea esp-tn (make-ea :dword :base ebp-tn
650 :disp (- (* (1+ ocfp-save-offset)
652 ;; Restore the old fp from its save location on the stack,
653 ;; and zot the stack.
657 (cerror "Continue anyway"
658 "VOP return-local doesn't work if old-fp (in slot ~
659 ~S) is not in slot 0"
660 (tn-offset old-fp)))))
662 ((any-reg descriptor-reg)
663 ;; Zot all the stack.
665 ;; Restore the old-fp.
666 (move ebp-tn old-fp)))
668 ;; Return; return-pc is in a register.
669 (inst jmp return-pc))
673 #+nil (format t "*known-return: return-pc ~S on stack; offset=~S~%"
674 return-pc (tn-offset return-pc))
676 ;; Zot all of the stack except for the old-fp and return-pc.
678 (make-ea :dword :base ebp-tn
679 :disp (- (* (1+ (tn-offset return-pc)) n-word-bytes))))
680 ;; Restore the old fp. old-fp may be either on the stack in its
681 ;; save location or in a register, in either case this restores it.
683 ;; The return pops the return address (4 bytes), then we need
684 ;; to pop all the slots before the return-pc which includes the
685 ;; 4 bytes for the old-fp.
686 (inst ret (* (tn-offset return-pc) n-word-bytes))))
688 (trace-table-entry trace-table-normal)))
692 ;;; There is something of a cross-product effect with full calls.
693 ;;; Different versions are used depending on whether we know the
694 ;;; number of arguments or the name of the called function, and
695 ;;; whether we want fixed values, unknown values, or a tail call.
697 ;;; In full call, the arguments are passed creating a partial frame on
698 ;;; the stack top and storing stack arguments into that frame. On
699 ;;; entry to the callee, this partial frame is pointed to by FP.
701 ;;; This macro helps in the definition of full call VOPs by avoiding
702 ;;; code replication in defining the cross-product VOPs.
704 ;;; NAME is the name of the VOP to define.
706 ;;; NAMED is true if the first argument is an fdefinition object whose
707 ;;; definition is to be called.
709 ;;; RETURN is either :FIXED, :UNKNOWN or :TAIL:
710 ;;; -- If :FIXED, then the call is for a fixed number of values, returned in
711 ;;; the standard passing locations (passed as result operands).
712 ;;; -- If :UNKNOWN, then the result values are pushed on the stack, and the
713 ;;; result values are specified by the Start and Count as in the
714 ;;; unknown-values continuation representation.
715 ;;; -- If :TAIL, then do a tail-recursive call. No values are returned.
716 ;;; The Old-Fp and Return-PC are passed as the second and third arguments.
718 ;;; In non-tail calls, the pointer to the stack arguments is passed as
719 ;;; the last fixed argument. If Variable is false, then the passing
720 ;;; locations are passed as a more arg. Variable is true if there are
721 ;;; a variable number of arguments passed on the stack. Variable
722 ;;; cannot be specified with :TAIL return. TR variable argument call
723 ;;; is implemented separately.
725 ;;; In tail call with fixed arguments, the passing locations are
726 ;;; passed as a more arg, but there is no new-FP, since the arguments
727 ;;; have been set up in the current frame.
728 (macrolet ((define-full-call (name named return variable)
729 (aver (not (and variable (eq return :tail))))
731 ,@(when (eq return :unknown)
732 '(unknown-values-receiver)))
734 ,@(unless (eq return :tail)
735 '((new-fp :scs (any-reg) :to (:argument 1))))
737 (fun :scs (descriptor-reg control-stack)
738 :target eax :to (:argument 0))
740 ,@(when (eq return :tail)
744 ,@(unless variable '((args :more t :scs (descriptor-reg)))))
746 ,@(when (eq return :fixed)
747 '((:results (values :more t))))
749 (:save-p ,(if (eq return :tail) :compute-only t))
751 ,@(unless (or (eq return :tail) variable)
752 '((:move-args :full-call)))
756 ,@(unless (or variable (eq return :tail)) '(arg-locs))
757 ,@(unless variable '(nargs))
758 ,@(when (eq return :fixed) '(nvals)))
761 ,@(unless (or variable (eq return :tail)) '(arg-locs))
762 ,@(unless variable '(args)))
764 ;; We pass either the fdefn object (for named call) or
765 ;; the actual function object (for unnamed call) in
766 ;; EAX. With named call, closure-tramp will replace it
767 ;; with the real function and invoke the real function
768 ;; for closures. Non-closures do not need this value,
769 ;; so don't care what shows up in it.
777 ;; We pass the number of arguments in ECX.
778 (:temporary (:sc unsigned-reg :offset ecx-offset :to :eval) ecx)
780 ;; With variable call, we have to load the
781 ;; register-args out of the (new) stack frame before
782 ;; doing the call. Therefore, we have to tell the
783 ;; lifetime stuff that we need to use them.
785 (mapcar (lambda (name offset)
786 `(:temporary (:sc descriptor-reg
791 *register-arg-names* *register-arg-offsets*))
793 ,@(when (eq return :tail)
794 '((:temporary (:sc unsigned-reg
799 (:generator ,(+ (if named 5 0)
801 (if (eq return :tail) 0 10)
803 (if (eq return :unknown) 25 0))
804 (trace-table-entry trace-table-call-site)
806 ;; This has to be done before the frame pointer is
807 ;; changed! EAX stores the 'lexical environment' needed
813 ;; For variable call, compute the number of
814 ;; arguments and move some of the arguments to
817 ;; Compute the number of arguments.
818 (noise '(inst mov ecx new-fp))
819 (noise '(inst sub ecx esp-tn))
820 ;; Move the necessary args to registers,
821 ;; this moves them all even if they are
824 for name in *register-arg-names*
825 for index downfrom -1
826 do (noise `(loadw ,name new-fp ,index)))
830 (inst mov ecx (fixnumize nargs)))))
831 ,@(cond ((eq return :tail)
832 '(;; Python has figured out what frame we should
833 ;; return to so might as well use that clue.
834 ;; This seems really important to the
835 ;; implementation of things like
836 ;; (without-interrupts ...)
838 ;; dtc; Could be doing a tail call from a
839 ;; known-local-call etc in which the old-fp
840 ;; or ret-pc are in regs or in non-standard
841 ;; places. If the passing location were
842 ;; wired to the stack in standard locations
843 ;; then these moves will be un-necessary;
844 ;; this is probably best for the x86.
847 (unless (= ocfp-save-offset
849 ;; FIXME: FORMAT T for stale
850 ;; diagnostic output (several of
851 ;; them around here), ick
852 (format t "** tail-call old-fp not S0~%")
853 (move old-fp-tmp old-fp)
856 (- (1+ ocfp-save-offset)))))
857 ((any-reg descriptor-reg)
858 (format t "** tail-call old-fp in reg not S0~%")
861 (- (1+ ocfp-save-offset)))))
863 ;; For tail call, we have to push the
864 ;; return-pc so that it looks like we CALLed
865 ;; despite the fact that we are going to JMP.
866 (inst push return-pc)
869 ;; For non-tail call, we have to save our
870 ;; frame pointer and install the new frame
871 ;; pointer. We can't load stack tns after this
873 `(;; Python doesn't seem to allocate a frame
874 ;; here which doesn't leave room for the
877 ;; The variable args are on the stack and
878 ;; become the frame, but there may be <3
879 ;; args and 3 stack slots are assumed
880 ;; allocate on the call. So need to ensure
881 ;; there are at least 3 slots. This hack
884 '(inst sub esp-tn (fixnumize 3)))
887 (storew ebp-tn new-fp (- (1+ ocfp-save-offset)))
889 (move ebp-tn new-fp) ; NB - now on new stack frame.
892 (note-this-location vop :call-site)
894 (inst ,(if (eq return :tail) 'jmp 'call)
895 (make-ea :dword :base eax
897 '(- (* fdefn-raw-addr-slot
899 other-pointer-lowtag)
900 '(- (* closure-fun-slot n-word-bytes)
901 fun-pointer-lowtag))))
904 '((default-unknown-values vop values nvals)))
906 '((note-this-location vop :unknown-return)
907 (receive-unknown-values values-start nvals start count)))
909 (trace-table-entry trace-table-normal)))))
911 (define-full-call call nil :fixed nil)
912 (define-full-call call-named t :fixed nil)
913 (define-full-call multiple-call nil :unknown nil)
914 (define-full-call multiple-call-named t :unknown nil)
915 (define-full-call tail-call nil :tail nil)
916 (define-full-call tail-call-named t :tail nil)
918 (define-full-call call-variable nil :fixed t)
919 (define-full-call multiple-call-variable nil :unknown t))
921 ;;; This is defined separately, since it needs special code that BLT's
922 ;;; the arguments down. All the real work is done in the assembly
923 ;;; routine. We just set things up so that it can find what it needs.
924 (define-vop (tail-call-variable)
925 (:args (args :scs (any-reg control-stack) :target esi)
926 (function :scs (descriptor-reg control-stack) :target eax)
929 (:temporary (:sc unsigned-reg :offset esi-offset :from (:argument 0)) esi)
930 (:temporary (:sc unsigned-reg :offset eax-offset :from (:argument 1)) eax)
931 ; (:ignore ret-addr old-fp)
933 ;; Move these into the passing locations if they are not already there.
937 ;; The following assumes that the return-pc and old-fp are on the
938 ;; stack in their standard save locations - Check this.
939 (unless (and (sc-is old-fp control-stack)
940 (= (tn-offset old-fp) ocfp-save-offset))
941 (error "tail-call-variable: ocfp not on stack in standard save location?"))
942 (unless (and (sc-is ret-addr sap-stack)
943 (= (tn-offset ret-addr) return-pc-save-offset))
944 (error "tail-call-variable: ret-addr not on stack in standard save location?"))
947 ;; And jump to the assembly routine.
948 (inst jmp (make-fixup 'tail-call-variable :assembly-routine))))
950 ;;;; unknown values return
952 ;;; Return a single-value using the Unknown-Values convention. Specifically,
953 ;;; we jump to clear the stack and jump to return-pc+2.
955 ;;; We require old-fp to be in a register, because we want to reset ESP before
956 ;;; restoring EBP. If old-fp were still on the stack, it could get clobbered
959 ;;; pfw--get wired-tn conflicts sometimes if register sc specd for args
960 ;;; having problems targeting args to regs -- using temps instead.
962 ;;; First off, modifying the return-pc defeats the branch-prediction
963 ;;; optimizations on modern CPUs quite handily. Second, we can do all
964 ;;; this without needing a temp register. Fixed the latter, at least.
965 ;;; -- AB 2006/Feb/04
966 (define-vop (return-single)
972 (trace-table-entry trace-table-fun-epilogue)
973 ;; Code structure lifted from known-return.
976 ;; return PC in register for some reason (local call?)
977 ;; we jmp to the return pc after fixing the stack and frame.
980 ;; ofp on stack must be in slot 0 (the traditional storage place).
981 ;; Drop the stack above it and pop it off.
982 (cond ((zerop (tn-offset old-fp))
983 (inst lea esp-tn (make-ea :dword :base ebp-tn
984 :disp (- (* (1+ ocfp-save-offset)
988 ;; Should this ever happen, we do the same as above, but
989 ;; using (tn-offset old-fp) instead of ocfp-save-offset
990 ;; (which is 0 anyway, see src/compiler/x86/vm.lisp) and
991 ;; then lea esp again against itself with a displacement
992 ;; of (* (tn-offset old-fp) n-word-bytes) to clear the
993 ;; rest of the stack.
994 (cerror "Continue anyway"
995 "VOP return-single doesn't work if old-fp (in slot ~S) is not in slot 0" (tn-offset old-fp)))))
996 ((any-reg descriptor-reg)
997 ;; ofp in reg, drop the stack and load the real fp.
999 (move ebp-tn old-fp)))
1001 ;; Set single-value-return flag
1004 (inst jmp return-pc))
1007 ;; Note that this will only work right if, when old-fp is on
1008 ;; the stack, it has a lower tn-offset than return-pc. One of
1009 ;; the comments in known-return indicate that this is the case
1010 ;; (in that it will be in its save location), but we may wish
1011 ;; to assert that (in either the weaker or stronger forms).
1012 ;; Should this ever not be the case, we should load old-fp
1013 ;; into a temp reg while we fix the stack.
1014 ;; Drop stack above return-pc
1015 (inst lea esp-tn (make-ea :dword :base ebp-tn
1016 :disp (- (* (1+ (tn-offset return-pc))
1018 ;; Set single-value return flag
1020 ;; Restore the old frame pointer
1021 (move ebp-tn old-fp)
1022 ;; And return, dropping the rest of the stack as we go.
1023 (inst ret (* (tn-offset return-pc) n-word-bytes))))))
1025 ;;; Do unknown-values return of a fixed (other than 1) number of
1026 ;;; values. The VALUES are required to be set up in the standard
1027 ;;; passing locations. NVALS is the number of values returned.
1029 ;;; Basically, we just load ECX with the number of values returned and
1030 ;;; EBX with a pointer to the values, set ESP to point to the end of
1031 ;;; the values, and jump directly to return-pc.
1032 (define-vop (return)
1034 (return-pc :to (:eval 1))
1039 ;; In the case of other than one value, we need these registers to
1040 ;; tell the caller where they are and how many there are.
1041 (:temporary (:sc unsigned-reg :offset ebx-offset) ebx)
1042 (:temporary (:sc unsigned-reg :offset ecx-offset) ecx)
1044 ;; We need to stretch the lifetime of return-pc past the argument
1045 ;; registers so that we can default the argument registers without
1046 ;; trashing return-pc.
1047 (:temporary (:sc unsigned-reg :offset (first *register-arg-offsets*)
1049 (:temporary (:sc unsigned-reg :offset (second *register-arg-offsets*)
1051 (:temporary (:sc unsigned-reg :offset (third *register-arg-offsets*)
1055 (trace-table-entry trace-table-fun-epilogue)
1056 ;; Establish the values pointer and values count.
1059 (inst xor ecx ecx) ; smaller
1060 (inst mov ecx (fixnumize nvals)))
1061 ;; Restore the frame pointer.
1062 (move ebp-tn old-fp)
1063 ;; Clear as much of the stack as possible, but not past the return
1065 (inst lea esp-tn (make-ea :dword :base ebx
1066 :disp (- (* (max nvals 2) n-word-bytes))))
1067 ;; Pre-default any argument register that need it.
1068 (when (< nvals register-arg-count)
1069 (let* ((arg-tns (nthcdr nvals (list a0 a1 a2)))
1070 (first (first arg-tns)))
1071 (inst mov first nil-value)
1072 (dolist (tn (cdr arg-tns))
1073 (inst mov tn first))))
1074 ;; Set multi-value return flag.
1076 ;; And away we go. Except that return-pc is still on the
1077 ;; stack and we've changed the stack pointer. So we have to
1078 ;; tell it to index off of EBX instead of EBP.
1079 (cond ((zerop nvals)
1080 ;; Return popping the return address and the OCFP.
1081 (inst ret n-word-bytes))
1083 ;; Return popping the return, leaving 1 slot. Can this
1084 ;; happen, or is a single value return handled elsewhere?
1087 (inst jmp (make-ea :dword :base ebx
1088 :disp (- (* (1+ (tn-offset return-pc))
1091 (trace-table-entry trace-table-normal)))
1093 ;;; Do unknown-values return of an arbitrary number of values (passed
1094 ;;; on the stack.) We check for the common case of a single return
1095 ;;; value, and do that inline using the normal single value return
1096 ;;; convention. Otherwise, we branch off to code that calls an
1097 ;;; assembly-routine.
1099 ;;; The assembly routine takes the following args:
1100 ;;; EAX -- the return-pc to finally jump to.
1101 ;;; EBX -- pointer to where to put the values.
1102 ;;; ECX -- number of values to find there.
1103 ;;; ESI -- pointer to where to find the values.
1104 (define-vop (return-multiple)
1105 (:args (old-fp :to (:eval 1) :target old-fp-temp)
1106 (return-pc :target eax)
1107 (vals :scs (any-reg) :target esi)
1108 (nvals :scs (any-reg) :target ecx))
1110 (:temporary (:sc unsigned-reg :offset eax-offset :from (:argument 1)) eax)
1111 (:temporary (:sc unsigned-reg :offset esi-offset :from (:argument 2)) esi)
1112 (:temporary (:sc unsigned-reg :offset ecx-offset :from (:argument 3)) ecx)
1113 (:temporary (:sc unsigned-reg :offset ebx-offset :from (:eval 0)) ebx)
1114 (:temporary (:sc descriptor-reg :offset (first *register-arg-offsets*)
1115 :from (:eval 0)) a0)
1116 (:temporary (:sc unsigned-reg :from (:eval 1)) old-fp-temp)
1120 (trace-table-entry trace-table-fun-epilogue)
1121 ;; Load the return-pc.
1122 (move eax return-pc)
1123 (unless (policy node (> space speed))
1124 ;; Check for the single case.
1125 (let ((not-single (gen-label)))
1126 (inst cmp nvals (fixnumize 1))
1127 (inst jmp :ne not-single)
1129 ;; Return with one value.
1131 ;; Clear the stack. We load old-fp into a register before clearing
1133 (move old-fp-temp old-fp)
1134 (move esp-tn ebp-tn)
1135 (move ebp-tn old-fp-temp)
1136 ;; Set the single-value return flag.
1141 ;; Nope, not the single case. Jump to the assembly routine.
1142 (emit-label not-single)))
1146 (move ebp-tn old-fp)
1147 (inst jmp (make-fixup 'return-multiple :assembly-routine))
1148 (trace-table-entry trace-table-normal)))
1152 ;;; We don't need to do anything special for regular functions.
1153 (define-vop (setup-environment)
1157 ;; Don't bother doing anything.
1160 ;;; Get the lexical environment from its passing location.
1161 (define-vop (setup-closure-environment)
1162 (:results (closure :scs (descriptor-reg)))
1167 (move closure eax-tn)))
1169 ;;; Copy a &MORE arg from the argument area to the end of the current
1170 ;;; frame. FIXED is the number of non-&MORE arguments.
1172 ;;; The tricky part is doing this without trashing any of the calling
1173 ;;; convention registers that are still needed. This vop is emitted
1174 ;;; directly after the xep-allocate frame. That means the registers
1175 ;;; are in use as follows:
1177 ;;; EAX -- The lexenv.
1178 ;;; EBX -- Available.
1179 ;;; ECX -- The total number of arguments.
1180 ;;; EDX -- The first arg.
1181 ;;; EDI -- The second arg.
1182 ;;; ESI -- The third arg.
1184 ;;; So basically, we have one register available for our use: EBX.
1186 ;;; What we can do is push the other regs onto the stack, and then
1187 ;;; restore their values by looking directly below where we put the
1189 (define-vop (copy-more-arg)
1192 ;; Avoid the copy if there are no more args.
1193 (cond ((zerop fixed)
1194 (inst jecxz just-alloc-frame))
1196 (inst cmp ecx-tn (fixnumize fixed))
1197 (inst jmp :be just-alloc-frame)))
1199 ;; Allocate the space on the stack.
1200 ;; stack = ebp - (max 3 frame-size) - (nargs - fixed)
1202 (make-ea :dword :base ebp-tn
1203 :disp (- (fixnumize fixed)
1205 (max 3 (sb-allocated-size 'stack))))))
1206 (inst sub ebx-tn ecx-tn) ; Got the new stack in ebx
1207 (inst mov esp-tn ebx-tn)
1209 ;; Now: nargs>=1 && nargs>fixed
1211 ;; Save the original count of args.
1212 (inst mov ebx-tn ecx-tn)
1214 (cond ((< fixed register-arg-count)
1215 ;; We must stop when we run out of stack args, not when we
1216 ;; run out of more args.
1217 ;; Number to copy = nargs-3
1218 (inst sub ecx-tn (fixnumize register-arg-count))
1219 ;; Everything of interest in registers.
1220 (inst jmp :be do-regs))
1222 ;; Number to copy = nargs-fixed
1223 (inst sub ecx-tn (fixnumize fixed))))
1225 ;; Save edi and esi register args.
1228 ;; Okay, we have pushed the register args. We can trash them
1231 ;; Initialize dst to be end of stack; skiping the values pushed
1233 (inst lea edi-tn (make-ea :dword :base esp-tn :disp 8))
1235 ;; Initialize src to be end of args.
1236 (inst mov esi-tn ebp-tn)
1237 (inst sub esi-tn ebx-tn)
1239 (inst shr ecx-tn word-shift) ; make word count
1240 ;; And copy the args.
1241 (inst cld) ; auto-inc ESI and EDI.
1245 ;; So now we need to restore EDI and ESI.
1252 (inst mov ecx-tn ebx-tn)
1254 ;; Here: nargs>=1 && nargs>fixed
1255 (when (< fixed register-arg-count)
1256 ;; Now we have to deposit any more args that showed up in
1260 ;; Store it relative to ebp
1261 (inst mov (make-ea :dword :base ebp-tn
1264 (max 3 (sb-allocated-size 'stack))))))
1265 (nth i *register-arg-tns*))
1268 (when (>= i register-arg-count)
1271 ;; Don't deposit any more than there are.
1273 (inst test ecx-tn ecx-tn)
1274 (inst cmp ecx-tn (fixnumize i)))
1275 (inst jmp :eq done)))
1281 (make-ea :dword :base ebp-tn
1282 :disp (- (* n-word-bytes
1283 (max 3 (sb-allocated-size 'stack))))))
1287 ;;; &MORE args are stored contiguously on the stack, starting
1288 ;;; immediately at the context pointer. The context pointer is not
1289 ;;; typed, so the lowtag is 0.
1290 (define-vop (more-arg)
1291 (:translate %more-arg)
1292 (:policy :fast-safe)
1293 (:args (object :scs (descriptor-reg) :to :result)
1294 (index :scs (any-reg) :target temp))
1295 (:arg-types * tagged-num)
1296 (:temporary (:sc unsigned-reg :from (:argument 1) :to :result) temp)
1297 (:results (value :scs (any-reg descriptor-reg)))
1302 (inst mov value (make-ea :dword :base object :index temp))))
1304 (define-vop (more-arg-c)
1305 (:translate %more-arg)
1306 (:policy :fast-safe)
1307 (:args (object :scs (descriptor-reg)))
1309 (:arg-types * (:constant (signed-byte 30)))
1310 (:results (value :scs (any-reg descriptor-reg)))
1314 (make-ea :dword :base object :disp (- (* index n-word-bytes))))))
1317 ;;; Turn more arg (context, count) into a list.
1318 (defoptimizer (%listify-rest-args stack-allocate-result) ((&rest args))
1321 (define-vop (listify-rest-args)
1322 (:translate %listify-rest-args)
1324 (:args (context :scs (descriptor-reg) :target src)
1325 (count :scs (any-reg) :target ecx))
1326 (:arg-types * tagged-num)
1327 (:temporary (:sc unsigned-reg :offset esi-offset :from (:argument 0)) src)
1328 (:temporary (:sc unsigned-reg :offset ecx-offset :from (:argument 1)) ecx)
1329 (:temporary (:sc unsigned-reg :offset eax-offset) eax)
1330 (:temporary (:sc unsigned-reg) dst)
1331 (:results (result :scs (descriptor-reg)))
1334 (let ((enter (gen-label))
1337 (stack-allocate-p (node-stack-allocate-p node)))
1340 ;; Check to see whether there are no args, and just return NIL if so.
1341 (inst mov result nil-value)
1343 (inst lea dst (make-ea :dword :index ecx :scale 2))
1344 (maybe-pseudo-atomic stack-allocate-p
1345 (allocation dst dst node stack-allocate-p)
1346 (inst lea dst (make-ea :byte :base dst :disp list-pointer-lowtag))
1347 ;; Convert the count into a raw value, so that we can use the
1348 ;; LOOP instruction.
1350 ;; Set decrement mode (successive args at lower addresses)
1352 ;; Set up the result.
1354 ;; Jump into the middle of the loop, 'cause that's were we want
1358 ;; Compute a pointer to the next cons.
1359 (inst add dst (* cons-size n-word-bytes))
1360 ;; Store a pointer to this cons in the CDR of the previous cons.
1361 (storew dst dst -1 list-pointer-lowtag)
1363 ;; Grab one value and stash it in the car of this cons.
1365 (storew eax dst 0 list-pointer-lowtag)
1366 ;; Go back for more.
1368 ;; NIL out the last cons.
1369 (storew nil-value dst 1 list-pointer-lowtag))
1371 ;; solaris requires DF being zero.
1372 #!+sunos (inst cld))))
1374 ;;; Return the location and size of the &MORE arg glob created by
1375 ;;; COPY-MORE-ARG. SUPPLIED is the total number of arguments supplied
1376 ;;; (originally passed in ECX). FIXED is the number of non-rest
1379 ;;; We must duplicate some of the work done by COPY-MORE-ARG, since at
1380 ;;; that time the environment is in a pretty brain-damaged state,
1381 ;;; preventing this info from being returned as values. What we do is
1382 ;;; compute supplied - fixed, and return a pointer that many words
1383 ;;; below the current stack top.
1384 (define-vop (more-arg-context)
1385 (:policy :fast-safe)
1386 (:translate sb!c::%more-arg-context)
1387 (:args (supplied :scs (any-reg) :target count))
1388 (:arg-types positive-fixnum (:constant fixnum))
1390 (:results (context :scs (descriptor-reg))
1391 (count :scs (any-reg)))
1392 (:result-types t tagged-num)
1393 (:note "more-arg-context")
1395 (move count supplied)
1396 ;; SP at this point points at the last arg pushed.
1397 ;; Point to the first more-arg, not above it.
1398 (inst lea context (make-ea :dword :base esp-tn
1399 :index count :scale 1
1400 :disp (- (+ (fixnumize fixed) 4))))
1401 (unless (zerop fixed)
1402 (inst sub count (fixnumize fixed)))))
1404 ;;; Signal wrong argument count error if NARGS isn't equal to COUNT.
1405 (define-vop (verify-arg-count)
1406 (:policy :fast-safe)
1407 (:translate sb!c::%verify-arg-count)
1408 (:args (nargs :scs (any-reg)))
1409 (:arg-types positive-fixnum (:constant t))
1412 (:save-p :compute-only)
1415 (generate-error-code vop invalid-arg-count-error nargs)))
1417 (inst test nargs nargs) ; smaller instruction
1418 (inst cmp nargs (fixnumize count)))
1419 (inst jmp :ne err-lab))))
1421 ;;; Various other error signallers.
1422 (macrolet ((def (name error translate &rest args)
1423 `(define-vop (,name)
1425 `((:policy :fast-safe)
1426 (:translate ,translate)))
1427 (:args ,@(mapcar (lambda (arg)
1428 `(,arg :scs (any-reg descriptor-reg)))
1431 (:save-p :compute-only)
1433 (error-call vop ,error ,@args)))))
1434 (def arg-count-error invalid-arg-count-error
1435 sb!c::%arg-count-error nargs)
1436 (def type-check-error object-not-type-error sb!c::%type-check-error
1438 (def layout-invalid-error layout-invalid-error sb!c::%layout-invalid-error
1440 (def odd-key-args-error odd-key-args-error
1441 sb!c::%odd-key-args-error)
1442 (def unknown-key-arg-error unknown-key-arg-error
1443 sb!c::%unknown-key-arg-error key)
1444 (def nil-fun-returned-error nil-fun-returned-error nil fun))