-! Copyright (C) 2007, 2010 Slava Pestov.
+! Copyright (C) 2007, 2011 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: bootstrap.image.private compiler.constants
-compiler.units cpu.x86.assembler cpu.x86.assembler.operands
-kernel kernel.private layouts locals.backend make math
-math.private namespaces sequences slots.private strings.private
-vocabs ;
+compiler.codegen.relocation compiler.units cpu.x86.assembler
+cpu.x86.assembler.operands kernel kernel.private layouts
+locals locals.backend make math math.private namespaces sequences
+slots.private strings.private vocabs ;
IN: bootstrap.x86
big-endian off
jit-save-tib
! Load VM into vm-reg
- vm-reg 0 MOV rc-absolute-cell rt-vm jit-rel
+ vm-reg 0 MOV 0 rc-absolute-cell rel-vm
! Save old context
nv-reg vm-reg vm-context-offset [+] MOV
! Save C callstack pointer
nv-reg context-callstack-save-offset [+] stack-reg MOV
- ! Load Factor callstack pointer
+ ! Load Factor stack pointers
stack-reg nv-reg context-callstack-bottom-offset [+] MOV
-
nv-reg jit-update-tib
jit-install-seh
+ rs-reg nv-reg context-retainstack-offset [+] MOV
+ ds-reg nv-reg context-datastack-offset [+] MOV
+
! Call into Factor code
- nv-reg 0 MOV rc-absolute-cell rt-entry-point jit-rel
- nv-reg CALL
+ link-reg 0 MOV f rc-absolute-cell rel-word
+ link-reg CALL
! Load VM into vm-reg; only needed on x86-32, but doesn't
! hurt on x86-64
- vm-reg 0 MOV rc-absolute-cell rt-vm jit-rel
+ vm-reg 0 MOV 0 rc-absolute-cell rel-vm
! Load C callstack pointer
nv-reg vm-reg vm-context-offset [+] MOV
! need a parameter here.
! See the comment for M\ x86.32 stack-cleanup in cpu.x86.32
- HEX: ffff RET rc-absolute-2 rt-untagged jit-rel
+ 0xffff RET f rc-absolute-2 rel-untagged
] callback-stub jit-define
-[
- ! Load word
- temp0 0 MOV rc-absolute-cell rt-literal jit-rel
- ! Bump profiling counter
- temp0 profile-count-offset [+] 1 tag-fixnum ADD
- ! Load word->code
- temp0 temp0 word-code-offset [+] MOV
- ! Compute word entry point
- temp0 compiled-header-size ADD
- ! Jump to entry point
- temp0 JMP
-] jit-profiling jit-define
-
[
! load literal
- temp0 0 MOV rc-absolute-cell rt-literal jit-rel
+ temp0 0 MOV f rc-absolute-cell rel-literal
! increment datastack pointer
ds-reg bootstrap-cell ADD
! store literal on datastack
] jit-push jit-define
[
- 0 CALL rc-relative rt-entry-point-pic jit-rel
+ 0 CALL f rc-relative rel-word-pic
] jit-word-call jit-define
+! The *-signal-handler subprimitives are special-cased in vm/quotations.cpp
+! not to trigger generation of a stack frame, so they can
+! peform their own prolog/epilog preserving registers.
+
+[| |
+ jit-signal-handler-prolog :> frame-size
+ jit-save-context
+ temp0 vm-reg vm-signal-handler-addr-offset [+] MOV
+ temp0 CALL
+ frame-size jit-signal-handler-epilog
+ 0 RET
+] \ signal-handler define-sub-primitive
+
+: leaf-frame-size ( -- n ) 4 bootstrap-cells ;
+
+[| |
+ jit-signal-handler-prolog :> frame-size
+ jit-save-context
+ temp0 vm-reg vm-signal-handler-addr-offset [+] MOV
+ temp0 CALL
+ frame-size jit-signal-handler-epilog
+ ! Pop the fake leaf frame along with our return address
+ leaf-frame-size bootstrap-cell - RET
+] \ leaf-signal-handler define-sub-primitive
+
+[| |
+ jit-signal-handler-prolog :> frame-size
+ temp0 vm-reg vm-signal-handler-addr-offset [+] MOV
+ temp0 CALL
+ frame-size jit-signal-handler-epilog
+ red-zone-size RET
+] \ ffi-signal-handler define-sub-primitive
+
+[| |
+ jit-signal-handler-prolog :> frame-size
+ temp0 vm-reg vm-signal-handler-addr-offset [+] MOV
+ temp0 CALL
+ frame-size jit-signal-handler-epilog
+ red-zone-size 16 bootstrap-cell - + RET
+] \ ffi-leaf-signal-handler define-sub-primitive
+
[
! load boolean
temp0 ds-reg [] MOV
! compare boolean with f
temp0 \ f type-number CMP
! jump to true branch if not equal
- 0 JNE rc-relative rt-entry-point jit-rel
+ 0 JNE f rc-relative rel-word
! jump to false branch if equal
- 0 JMP rc-relative rt-entry-point jit-rel
+ 0 JMP f rc-relative rel-word
] jit-if jit-define
: jit->r ( -- )
[
jit->r
- 0 CALL rc-relative rt-entry-point jit-rel
+ 0 CALL f rc-relative rel-word
jit-r>
] jit-dip jit-define
[
jit-2>r
- 0 CALL rc-relative rt-entry-point jit-rel
+ 0 CALL f rc-relative rel-word
jit-2r>
] jit-2dip jit-define
[
jit-3>r
- 0 CALL rc-relative rt-entry-point jit-rel
+ 0 CALL f rc-relative rel-word
jit-3r>
] jit-3dip jit-define
! Load a value from a stack position
[
- temp1 ds-reg HEX: 7f [+] MOV rc-absolute-1 rt-untagged jit-rel
+ temp1 ds-reg 0x7f [+] MOV f rc-absolute-1 rel-untagged
] pic-load jit-define
[ temp1 tag-mask get AND ] pic-tag jit-define
] pic-tuple jit-define
[
- temp1 HEX: 7f CMP rc-absolute-1 rt-untagged jit-rel
+ temp1 0x7f CMP f rc-absolute-1 rel-untagged
] pic-check-tag jit-define
-[ 0 JE rc-relative rt-entry-point jit-rel ] pic-hit jit-define
+[ 0 JE f rc-relative rel-word ] pic-hit jit-define
! ! ! Megamorphic caches
[ temp1 temp0 tuple-class-offset [+] MOV ]
jit-conditional
! cache = ...
- temp0 0 MOV rc-absolute-cell rt-literal jit-rel
+ temp0 0 MOV f rc-absolute-cell rel-literal
! key = hashcode(class)
temp2 temp1 MOV
bootstrap-cell 4 = [ temp2 1 SHR ] when
[ JNE ]
[
! megamorphic_cache_hits++
- temp1 0 MOV rc-absolute-cell rt-megamorphic-cache-hits jit-rel
+ temp1 0 MOV rc-absolute-cell rel-megamorphic-cache-hits
temp1 [] 1 ADD
! goto get(cache + bootstrap-cell)
temp0 temp0 bootstrap-cell [+] MOV
! Comparisons
: jit-compare ( insn -- )
! load t
- t jit-literal
- temp3 0 MOV rc-absolute-cell rt-literal jit-rel
+ temp3 0 MOV t rc-absolute-cell rel-literal
! load f
temp1 \ f type-number MOV
! load first value
! multiply
temp0 temp1 IMUL2
! push result
- ds-reg [] temp1 MOV
+ ds-reg [] temp0 MOV
] \ fixnum*fast define-sub-primitive
[ \ AND jit-math ] \ fixnum-bitand define-sub-primitive
temp0 ds-reg [] MOV
ds-reg bootstrap-cell SUB
temp0 ds-reg [] OR
- temp0 tag-mask get AND
+ temp0 tag-mask get TEST
temp0 \ f type-number MOV
temp1 1 tag-fixnum MOV
temp0 temp1 CMOVE
projects / factor.git / blobdiff