1 ! Copyright (C) 2020 Doug Coleman.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: bootstrap.image.private compiler.codegen.relocation
4 compiler.constants compiler.units cpu.arm.assembler
5 cpu.arm.assembler.opcodes generic.single.private
6 kernel kernel.private layouts locals.backend
7 math math.private memory namespaces sequences slots.private
8 strings.private threads.private vocabs ;
9 IN: bootstrap.assembler.arm
16 ! https://docs.microsoft.com/en-us/cpp/build/arm64-exception-handling?view=vs-2019
18 ! x0 Volatile Parameter/scratch register 1, result register
19 ! x1-x7 Volatile Parameter/scratch register 2-8
20 ! x8-x15 Volatile Scratch registers
21 ! x16-x17 Volatile Intra-procedure-call scratch registers
22 ! x18 Non-volatile Platform register: in kernel mode, points to KPCR for the current processor;
23 ! in user mode, points to TEB
24 ! x19-x28 Non-volatile Scratch registers
25 ! x29/fp Non-volatile Frame pointer
26 ! x30/lr Non-volatile Link registers
28 : stack-frame-size ( -- n ) 4 bootstrap-cells ;
29 : volatile-regs ( -- seq ) { X0 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12 X13 X14 X15 X16 X17 } ;
30 : nv-regs ( -- seq ) { X18 X19 X20 X21 X22 X23 X24 X25 X26 X27 X28 X29 X30 } ;
32 ! callee-save = non-volatile aka call-preserved
34 ! x30 is the link register (used to return from subroutines)
35 ! x29 is the frame register
36 ! x19 to x29 are callee-saved
37 ! x18 is the 'platform register', used for some operating-system-specific special purpose,
38 ! or an additional caller-saved register
39 ! x16 and x17 are the Intra-Procedure-call scratch register
40 ! x9 to x15: used to hold local variables (caller saved)
41 ! x8: used to hold indirect return value address
42 ! x0 to x7: used to hold argument values passed to a subroutine, and also hold
43 ! results returned from a subroutine
46 ! https://en.wikichip.org/wiki/arm/aarch64
47 ! Generally, X0 through X18 can corrupt while X19-X29 must be preserved
48 ! Register Role Requirement
49 ! X0 - X7 Parameter/result registers Can Corrupt
50 ! X8 Indirect result location register
51 ! X9 - X15 Temporary registers
52 ! X16 - X17 Intra-procedure call temporary
53 ! X18 Platform register, otherwise temporary
55 ! X19 - X29 Callee-saved register Must preserve
56 ! X30 Link Register Can Corrupt
58 : arg1 ( -- reg ) X0 ;
59 : arg2 ( -- reg ) X1 ;
60 : arg3 ( -- reg ) X2 ;
61 : arg4 ( -- reg ) X3 ;
62 : red-zone-size ( -- n ) 16 ;
64 : shift-arg ( -- reg ) X1 ;
65 : div-arg ( -- reg ) X0 ;
66 : mod-arg ( -- reg ) X2 ;
68 ! caller-saved registers X9-X15
69 ! callee-saved registers X19-X29
70 : temp0 ( -- reg ) X9 ;
71 : temp1 ( -- reg ) X10 ;
72 : temp2 ( -- reg ) X11 ;
73 : temp3 ( -- reg ) X12 ;
77 ! : pic-tail-reg ( -- reg ) RBX ;
78 : return-reg ( -- reg ) X0 ;
79 ! : nv-reg ( -- reg ) RBX ;
80 ! : stack-reg ( -- reg ) RSP ;
81 ! : frame-reg ( -- reg ) RBP ;
82 ! : link-reg ( -- reg ) R11 ;
83 ! : ctx-reg ( -- reg ) R12 ;
84 : vm-reg ( -- reg ) X7 ;
85 : ds-reg ( -- reg ) X5 ;
86 : rs-reg ( -- reg ) X6 ;
87 ! : fixnum>slot@ ( -- ) temp0 1 SAR ;
88 ! : rex-length ( -- n ) 1 ;
90 ! rc-absolute-cell is just CONSTANT: 0
91 : jit-call ( name -- )
93 f rc-absolute-cell rel-dlsym
95 ! RAX 0 MOV f rc-absolute-cell rel-dlsym
98 :: jit-call-1arg ( arg1s name -- )
104 :: jit-call-2arg ( arg1s arg2s name -- )
113 ! pic-tail-reg 5 [RIP+] LEA
114 ! 0 JMP f rc-relative rel-word-pic-tail
115 ] JIT-WORD-JUMP jit-define
118 ! no-op on x86-64. in factor contexts vm-reg always contains the
122 : jit-load-context ( -- ) ;
123 ! ctx-reg vm-reg vm-context-offset [+] MOV ;
125 : jit-save-context ( -- ) ;
127 ! The reason for -8 I think is because we are anticipating a CALL
128 ! instruction. After the call instruction, the contexts frame_top
129 ! will point to the origin jump address.
131 ! ctx-reg context-callstack-top-offset [+] R11 MOV
132 ! ctx-reg context-datastack-offset [+] ds-reg MOV
133 ! ctx-reg context-retainstack-offset [+] rs-reg MOV ;
135 ! ctx-reg must already have been loaded
136 : jit-restore-context ( -- ) ;
137 ! ds-reg ctx-reg context-datastack-offset [+] MOV
138 ! rs-reg ctx-reg context-retainstack-offset [+] MOV ;
142 ! ! ctx-reg is preserved across the call because it is non-volatile
145 ! ! call the primitive
147 ! RAX 0 MOV f f rc-absolute-cell rel-dlsym
149 ! jit-restore-context
150 ] JIT-PRIMITIVE jit-define
153 : jit-jump-quot ( -- ) ;
154 ! arg1 quot-entry-point-offset [+] JMP ;
156 : jit-call-quot ( -- )
157 quot-entry-point-offset arg1 ADR
160 ! arg1 quot-entry-point-offset [+] CALL ;
162 : signal-handler-save-regs ( -- regs ) { } ;
163 ! { RAX RCX RDX RBX RBP RSI RDI R8 R9 R10 R11 R12 R13 R14 R15 } ;
167 ! temp2 0 MOV f rc-absolute-cell rel-literal
169 ] PIC-CHECK-TUPLE jit-define
174 1 bootstrap-cells rs-reg rs-reg ADDi64
175 -1 bootstrap-cells ds-reg rs-reg LDR-post ;
178 1 bootstrap-cells ds-reg ds-reg ADDi64
179 -1 bootstrap-cells rs-reg ds-reg LDR-post ;
182 1 bootstrap-cells rs-reg rs-reg ADDi64
183 -1 bootstrap-cells ds-reg rs-reg LDR-post
184 1 bootstrap-cells rs-reg rs-reg ADDi64
185 -1 bootstrap-cells ds-reg rs-reg LDR-post ;
188 1 bootstrap-cells ds-reg ds-reg ADDi64
189 -1 bootstrap-cells rs-reg ds-reg LDR-post
190 1 bootstrap-cells ds-reg ds-reg ADDi64
191 -1 bootstrap-cells rs-reg ds-reg LDR-post ;
194 1 bootstrap-cells rs-reg rs-reg ADDi64
195 -1 bootstrap-cells ds-reg rs-reg LDR-post
196 1 bootstrap-cells rs-reg rs-reg ADDi64
197 -1 bootstrap-cells ds-reg rs-reg LDR-post
198 1 bootstrap-cells rs-reg rs-reg ADDi64
199 -1 bootstrap-cells ds-reg rs-reg LDR-post ;
202 1 bootstrap-cells ds-reg ds-reg ADDi64
203 -1 bootstrap-cells rs-reg ds-reg LDR-post
204 1 bootstrap-cells ds-reg ds-reg ADDi64
205 -1 bootstrap-cells rs-reg ds-reg LDR-post
206 1 bootstrap-cells ds-reg ds-reg ADDi64
207 -1 bootstrap-cells rs-reg ds-reg LDR-post ;
210 : jit-switch-context ( reg -- ) drop ;
211 ! ! Push a bogus return address so the GC can track this frame back
215 ! ! Make the new context the current one
217 ! vm-reg vm-context-offset [+] ctx-reg MOV
219 ! ! Load new stack pointer
220 ! RSP ctx-reg context-callstack-top-offset [+] MOV
222 ! ! Load new ds, rs registers
223 ! jit-restore-context
225 ! ctx-reg jit-update-tib ;
227 : jit-pop-context-and-param ( -- ) ;
229 ! arg1 arg1 alien-offset [+] MOV
230 ! arg2 ds-reg -8 [+] MOV
233 : jit-push-param ( -- ) ;
235 ! ds-reg [] arg2 MOV ;
237 : jit-set-context ( -- ) ;
238 ! jit-pop-context-and-param
240 ! arg1 jit-switch-context
244 : jit-pop-quot-and-param ( -- ) ;
246 ! arg2 ds-reg -8 [+] MOV
249 : jit-start-context ( -- ) ;
250 ! Create the new context in return-reg. Have to save context
251 ! twice, first before calling new_context() which may GC,
252 ! and again after popping the two parameters from the stack.
254 ! vm-reg "new_context" jit-call-1arg
256 ! jit-pop-quot-and-param
258 ! return-reg jit-switch-context
262 : jit-delete-current-context ( -- ) ;
263 ! vm-reg "delete_context" jit-call-1arg ;
267 ! 0 CALL f rc-relative rel-word
275 ! 0 [RIP+] EAX MOV rc-relative rel-safepoint
276 ] JIT-SAFEPOINT jit-define
278 ! # All arm.64 subprimitives
282 ! { (set-context) [ jit-set-context ] }
283 ! { (set-context-and-delete) [
284 ! jit-delete-current-context
287 ! { (start-context) [ jit-start-context ] }
288 ! { (start-context-and-delete) [ jit-start-context-and-delete ] }
294 ! vm-reg "begin_callback" jit-call-1arg
296 ! ! call the quotation
297 ! arg1 return-reg MOV
300 ! vm-reg "end_callback" jit-call-1arg
305 vm-reg "begin_callback" jit-call-1arg
307 return-reg arg1 MOVr64 ! arg1 is return
310 vm-reg "end_callback" jit-call-1arg
315 ! { unwind-native-frames [ ] }
318 ! { fixnum+ [ [ ADD ] "overflow_fixnum_add" jit-overflow ] }
319 ! { fixnum- [ [ SUB ] "overflow_fixnum_subtract" jit-overflow ] }
324 ! RBX ds-reg 8 [+] MOV
325 ! RBX tag-bits get SAR
332 ! arg1 tag-bits get SAR
335 ! "overflow_fixnum_multiply" jit-call
350 ! RSP [] arg1 16-bit-version-of MOV
355 ! ! Load callstack object
357 ! ds-reg bootstrap-cell SUB
358 ! ! Get ctx->callstack_bottom
360 ! arg1 ctx-reg context-callstack-bottom-offset [+] MOV
361 ! ! Get top of callstack object -- 'src' for memcpy
362 ! arg2 arg4 callstack-top-offset [+] LEA
363 ! ! Get callstack length, in bytes --- 'len' for memcpy
364 ! arg3 arg4 callstack-length-offset [+] MOV
365 ! arg3 tag-bits get SHR
366 ! ! Compute new stack pointer -- 'dst' for memcpy
368 ! ! Install new stack pointer
370 ! ! Call memcpy; arguments are now in the correct registers
371 ! ! Create register shadow area for Win64
373 ! "factor_memcpy" jit-call
374 ! ! Tear down register shadow area
376 ! ! Return with new callstack
379 } define-sub-primitives
383 ! C to Factor entry point
385 ! ! Optimizing compiler's side of callback accesses
386 ! ! arguments that are on the stack via the frame pointer.
387 ! ! On x86-32 fastcall, and x86-64, some arguments are passed
388 ! ! in registers, and so the only registers that are safe for
389 ! ! use here are frame-reg, nv-reg and vm-reg.
391 ! frame-reg stack-reg MOV
393 ! ! Save all non-volatile registers
394 ! nv-regs [ PUSH ] each
398 ! ! Load VM into vm-reg
399 ! vm-reg 0 MOV 0 rc-absolute-cell rel-vm
402 ! nv-reg vm-reg vm-context-offset [+] MOV
405 ! ! Switch over to the spare context
406 ! nv-reg vm-reg vm-spare-context-offset [+] MOV
407 ! vm-reg vm-context-offset [+] nv-reg MOV
409 ! ! Save C callstack pointer
410 ! nv-reg context-callstack-save-offset [+] stack-reg MOV
412 ! ! Load Factor stack pointers
413 ! stack-reg nv-reg context-callstack-bottom-offset [+] MOV
414 ! nv-reg jit-update-tib
417 ! rs-reg nv-reg context-retainstack-offset [+] MOV
418 ! ds-reg nv-reg context-datastack-offset [+] MOV
420 ! ! Call into Factor code
421 ! link-reg 0 MOV f rc-absolute-cell rel-word
424 ! ! Load VM into vm-reg; only needed on x86-32, but doesn't
426 ! vm-reg 0 MOV 0 rc-absolute-cell rel-vm
428 ! ! Load C callstack pointer
429 ! nv-reg vm-reg vm-context-offset [+] MOV
430 ! stack-reg nv-reg context-callstack-save-offset [+] MOV
434 ! vm-reg vm-context-offset [+] nv-reg MOV
436 ! ! Restore non-volatile registers
439 ! nv-regs <reversed> [ POP ] each
443 ! ! Callbacks which return structs, or use stdcall/fastcall/thiscall,
444 ! ! need a parameter here.
446 ! ! See the comment for M\ x86.32 stack-cleanup in cpu.x86.32
447 ! 0xffff RET f rc-absolute-2 rel-untagged
448 ] CALLBACK-STUB jit-define
452 ! temp0 0 MOV f rc-absolute-cell rel-literal
453 ! ! increment datastack pointer
454 ! ds-reg bootstrap-cell ADD
455 ! ! store literal on datastack
456 ! ds-reg [] temp0 MOV
457 ] JIT-PUSH-LITERAL jit-define
460 ! 0 CALL f rc-relative rel-word-pic
461 ] JIT-WORD-CALL jit-define
463 ! The *-signal-handler subprimitives are special-cased in vm/quotations.cpp
464 ! not to trigger generation of a stack frame, so they can
465 ! peform their own prolog/epilog preserving registers.
467 ! It is important that the total is 192/64 and that it matches the
468 ! constants in vm/cpu-x86.*.hpp
469 : jit-signal-handler-prolog ( -- ) ;
470 ! ! Return address already on stack -> 8/4 bytes.
472 ! ! Push all registers. 15 regs/120 bytes on 64bit, 7 regs/28 bytes
473 ! ! on 32bit -> 128/32 bytes.
474 ! signal-handler-save-regs [ PUSH ] each
476 ! ! Push flags -> 136/36 bytes
479 ! ! Register parameter area 32 bytes, unused on platforms other than
480 ! ! windows 64 bit, but including it doesn't hurt. Plus
481 ! ! alignment. LEA used so we don't dirty flags -> 192/64 bytes.
482 ! stack-reg stack-reg 7 bootstrap-cells neg [+] LEA
486 : jit-signal-handler-epilog ( -- ) ;
487 ! stack-reg stack-reg 7 bootstrap-cells [+] LEA
489 ! signal-handler-save-regs reverse [ POP ] each ;
493 ! temp0 ds-reg [] MOV
495 ! ds-reg bootstrap-cell SUB
496 ! ! compare boolean with f
497 ! temp0 \ f type-number CMP
498 ! ! jump to true branch if not equal
499 ! 0 JNE f rc-relative rel-word
500 ! ! jump to false branch if equal
501 ! 0 JMP f rc-relative rel-word
507 ! 0 CALL f rc-relative rel-word
513 ! 0 CALL f rc-relative rel-word
515 ] JIT-2DIP jit-define
519 ! 0 CALL f rc-relative rel-word
521 ] JIT-3DIP jit-define
525 ! temp0 ds-reg [] MOV
527 ! ds-reg bootstrap-cell SUB
529 ! [ temp0 word-entry-point-offset [+] CALL ]
530 ! [ temp0 word-entry-point-offset [+] JMP ]
531 ! \ (execute) define-combinator-primitive
534 ! temp0 ds-reg [] MOV
535 ! ds-reg bootstrap-cell SUB
536 ! temp0 word-entry-point-offset [+] JMP
537 ] JIT-EXECUTE jit-define
540 ! stack-reg stack-frame-size bootstrap-cell - SUB
541 ] JIT-PROLOG jit-define
544 ! stack-reg stack-frame-size bootstrap-cell - ADD
545 ] JIT-EPILOG jit-define
549 ] JIT-RETURN jit-define
551 ! ! ! Polymorphic inline caches
553 ! The PIC stubs are not permitted to touch pic-tail-reg.
555 ! Load a value from a stack position
557 ! temp1 ds-reg 0x7f [+] MOV f rc-absolute-1 rel-untagged
558 ] PIC-LOAD jit-define
561 ! temp1/32 tag-mask get AND
566 ! temp1/32 tag-mask get AND
567 ! temp1/32 tuple type-number CMP
569 ! [ temp1 temp0 tuple-class-offset [+] MOV ]
571 ] PIC-TUPLE jit-define
574 ! temp1/32 0x7f CMP f rc-absolute-1 rel-untagged
575 ] PIC-CHECK-TAG jit-define
578 ! 0 JE f rc-relative rel-word
581 ! ! ! Megamorphic caches
586 ! temp1/32 tag-mask get AND
587 ! temp1/32 tag-bits get SHL
588 ! temp1/32 tuple type-number tag-fixnum CMP
590 ! [ temp1 temp0 tuple-class-offset [+] MOV ]
593 ! temp0 0 MOV f rc-absolute-cell rel-literal
594 ! ! key = hashcode(class)
596 ! bootstrap-cell 4 = [ temp2 1 SHR ] when
597 ! ! key &= cache.length - 1
598 ! temp2 mega-cache-size get 1 - bootstrap-cell * AND
599 ! ! cache += array-start-offset
600 ! temp0 array-start-offset ADD
603 ! ! if(get(cache) == class)
607 ! ! megamorphic_cache_hits++
608 ! temp1 0 MOV rc-absolute-cell rel-megamorphic-cache-hits
610 ! ! goto get(cache + bootstrap-cell)
611 ! temp0 temp0 bootstrap-cell [+] MOV
612 ! temp0 word-entry-point-offset [+] JMP
613 ! ! fall-through on miss
615 ] MEGA-LOOKUP jit-define
618 : jit-compare ( insn -- ) drop ;
620 ! temp3 0 MOV t rc-absolute-cell rel-literal
622 ! temp1 \ f type-number MOV
624 ! temp0 ds-reg [] MOV
625 ! ! adjust stack pointer
626 ! ds-reg bootstrap-cell SUB
627 ! ! compare with second value
628 ! ds-reg [] temp0 CMP
630 ! [ temp1 temp3 ] dip execute( dst src -- )
632 ! ds-reg [] temp1 MOV ;
635 : jit-math ( insn -- ) drop ;
636 ! ! load second input
637 ! temp0 ds-reg [] MOV
639 ! ds-reg bootstrap-cell SUB
641 ! [ ds-reg [] temp0 ] dip execute( dst src -- ) ;
643 : jit-fixnum-/mod ( -- ) ;
644 ! ! load second parameter
645 ! temp1 ds-reg [] MOV
646 ! ! load first parameter
647 ! div-arg ds-reg bootstrap-cell neg [+] MOV
649 ! mod-arg div-arg MOV
651 ! mod-arg bootstrap-cell-bits 1 - SAR
655 ! # Rest of arm64 subprimitives
660 ! { fixnum+fast [ \ ADD jit-math ] }
663 ! { fixnum-bitand [ \ AND jit-math ] }
668 ! ds-reg [] tag-mask get XOR
670 ! { fixnum-bitor [ \ OR jit-math ] }
671 ! { fixnum-bitxor [ \ XOR jit-math ] }
672 ! { fixnum-shift-fast [
674 ! shift-arg ds-reg [] MOV
675 ! ! untag shift count
676 ! shift-arg tag-bits get SAR
677 ! ! adjust stack pointer
678 ! ds-reg bootstrap-cell SUB
680 ! temp3 ds-reg [] MOV
683 ! ! compute positive shift value in temp2
686 ! ! compute negative shift value in temp3
688 ! temp3 tag-mask get bitnot AND
690 ! ! if shift count was negative, move temp0 to temp2
693 ! ds-reg [] temp2 MOV
698 ! temp0 ds-reg [] MOV
699 ! ds-reg bootstrap-cell SUB
701 ! temp0 tag-mask get TEST
702 ! temp0 \ f type-number MOV
703 ! temp1 1 tag-fixnum MOV
705 ! ds-reg [] temp0 MOV
707 ! { eq? [ \ CMOVE jit-compare ] }
708 ! { fixnum> [ \ CMOVG jit-compare ] }
709 ! { fixnum>= [ \ CMOVGE jit-compare ] }
710 ! { fixnum< [ \ CMOVL jit-compare ] }
711 ! { fixnum<= [ \ CMOVLE jit-compare ] }
716 ! ! adjust stack pointer
717 ! ds-reg bootstrap-cell SUB
719 ! ds-reg [] mod-arg MOV
723 ! ! adjust stack pointer
724 ! ds-reg bootstrap-cell SUB
726 ! div-arg tag-bits get SHL
728 ! ds-reg [] div-arg MOV
730 ! { fixnum/mod-fast [
733 ! div-arg tag-bits get SHL
735 ! ds-reg [] mod-arg MOV
736 ! ds-reg bootstrap-cell neg [+] div-arg MOV
741 ! ! load second input
742 ! temp0 ds-reg [] MOV
744 ! ds-reg bootstrap-cell SUB
746 ! temp1 ds-reg [] MOV
747 ! ! untag second input
748 ! temp0 tag-bits get SAR
752 ! ds-reg [] temp0 MOV
756 ! { fixnum-fast [ \ SUB jit-math ] }
761 ! temp0 ds-reg [] MOV
762 ! ! adjust stack pointer
763 ! ds-reg bootstrap-cell SUB
764 ! ! turn local number into offset
766 ! ! decrement retain stack pointer
770 ! ! load local number
771 ! temp0 ds-reg [] MOV
772 ! ! turn local number into offset
775 ! temp0 rs-reg temp0 [+] MOV
777 ! ds-reg [] temp0 MOV
779 ! { load-local [ jit->r ] }
784 ! temp0 ds-reg [] MOV
785 ! ! adjust stack pointer
786 ! ds-reg bootstrap-cell SUB
788 ! temp1 ds-reg [] MOV
789 ! ! turn slot number into offset
792 ! temp1 tag-bits get SHR
793 ! temp1 tag-bits get SHL
795 ! temp0 temp1 temp0 [+] MOV
797 ! ds-reg [] temp0 MOV
799 ! { string-nth-fast [
800 ! ! load string index from stack
801 ! temp0 ds-reg bootstrap-cell neg [+] MOV
802 ! temp0 tag-bits get SHR
803 ! ! load string from stack
804 ! temp1 ds-reg [] MOV
806 ! temp0 8-bit-version-of temp0 temp1 string-offset [++] MOV
807 ! temp0 temp0 8-bit-version-of MOVZX
808 ! temp0 tag-bits get SHL
809 ! ! store character to stack
810 ! ds-reg bootstrap-cell SUB
811 ! ds-reg [] temp0 MOV
815 ! temp0 ds-reg [] MOV
817 ! temp0/32 tag-mask get AND
819 ! temp0/32 tag-bits get SHL
821 ! ds-reg [] temp0 MOV
827 ! { drop [ ds-reg bootstrap-cell SUB ] }
828 ! { 2drop [ ds-reg 2 bootstrap-cells SUB ] }
829 ! { 3drop [ ds-reg 3 bootstrap-cells SUB ] }
830 ! { 4drop [ ds-reg 4 bootstrap-cells SUB ] }
834 ! temp0 ds-reg [] MOV
835 ! ds-reg bootstrap-cell ADD
836 ! ds-reg [] temp0 MOV
839 ! temp0 ds-reg [] MOV
840 ! temp1 ds-reg bootstrap-cell neg [+] MOV
841 ! ds-reg 2 bootstrap-cells ADD
842 ! ds-reg [] temp0 MOV
843 ! ds-reg bootstrap-cell neg [+] temp1 MOV
846 ! temp0 ds-reg [] MOV
847 ! temp1 ds-reg -1 bootstrap-cells [+] MOV
848 ! temp3 ds-reg -2 bootstrap-cells [+] MOV
849 ! ds-reg 3 bootstrap-cells ADD
850 ! ds-reg [] temp0 MOV
851 ! ds-reg -1 bootstrap-cells [+] temp1 MOV
852 ! ds-reg -2 bootstrap-cells [+] temp3 MOV
855 ! temp0 ds-reg [] MOV
856 ! temp1 ds-reg -1 bootstrap-cells [+] MOV
857 ! temp2 ds-reg -2 bootstrap-cells [+] MOV
858 ! temp3 ds-reg -3 bootstrap-cells [+] MOV
859 ! ds-reg 4 bootstrap-cells ADD
860 ! ds-reg [] temp0 MOV
861 ! ds-reg -1 bootstrap-cells [+] temp1 MOV
862 ! ds-reg -2 bootstrap-cells [+] temp2 MOV
863 ! ds-reg -3 bootstrap-cells [+] temp3 MOV
866 ! temp0 ds-reg [] MOV
867 ! temp1 ds-reg -1 bootstrap-cells [+] MOV
868 ! ds-reg [] temp1 MOV
869 ! ds-reg bootstrap-cell ADD
870 ! ds-reg [] temp0 MOV
873 ! ! ### Misc shufflers
875 ! temp0 ds-reg -1 bootstrap-cells [+] MOV
876 ! ds-reg bootstrap-cell ADD
877 ! ds-reg [] temp0 MOV
880 ! temp0 ds-reg -2 bootstrap-cells [+] MOV
881 ! ds-reg bootstrap-cell ADD
882 ! ds-reg [] temp0 MOV
887 ! temp0 ds-reg [] MOV
888 ! ds-reg bootstrap-cell SUB
889 ! ds-reg [] temp0 MOV
892 ! temp0 ds-reg [] MOV
893 ! ds-reg 2 bootstrap-cells SUB
894 ! ds-reg [] temp0 MOV
899 ! temp0 ds-reg [] MOV
900 ! temp1 ds-reg -1 bootstrap-cells [+] MOV
901 ! temp3 ds-reg -2 bootstrap-cells [+] MOV
902 ! ds-reg -2 bootstrap-cells [+] temp0 MOV
903 ! ds-reg -1 bootstrap-cells [+] temp3 MOV
904 ! ds-reg [] temp1 MOV
907 ! temp0 ds-reg [] MOV
908 ! temp1 ds-reg -1 bootstrap-cells [+] MOV
909 ! temp3 ds-reg -2 bootstrap-cells [+] MOV
910 ! ds-reg -2 bootstrap-cells [+] temp1 MOV
911 ! ds-reg -1 bootstrap-cells [+] temp0 MOV
912 ! ds-reg [] temp3 MOV
915 ! temp0 ds-reg [] MOV
916 ! temp1 ds-reg bootstrap-cell neg [+] MOV
917 ! ds-reg bootstrap-cell neg [+] temp0 MOV
918 ! ds-reg [] temp1 MOV
921 ! temp0 ds-reg -1 bootstrap-cells [+] MOV
922 ! temp1 ds-reg -2 bootstrap-cells [+] MOV
923 ! ds-reg -2 bootstrap-cells [+] temp0 MOV
924 ! ds-reg -1 bootstrap-cells [+] temp1 MOV
927 ! ! ## Signal handling
928 ! { leaf-signal-handler [
929 ! jit-signal-handler-prolog
931 ! temp0 vm-reg vm-signal-handler-addr-offset [+] MOV
933 ! jit-signal-handler-epilog
934 ! ! Pop the fake leaf frame along with our return address
935 ! leaf-stack-frame-size bootstrap-cell - RET
938 ! jit-signal-handler-prolog
940 ! temp0 vm-reg vm-signal-handler-addr-offset [+] MOV
942 ! jit-signal-handler-epilog
945 } define-sub-primitives
947 [ "bootstrap.arm.64" forget-vocab ] with-compilation-unit