114 lines
1.9 KiB
Factor
114 lines
1.9 KiB
Factor
! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: compiler
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USING: inference kernel assembler words lists alien memory ;
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: rel-cs ( -- )
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#! Add an entry to the relocation table for the 32-bit
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#! immediate just compiled.
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"cs" f f rel-dlsym ;
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: CS ( -- [ address ] ) "cs" f dlsym unit ;
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: CS> ( register -- ) CS MOV rel-cs ;
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: >CS ( register -- ) CS swap MOV rel-cs ;
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: PEEK-DS ( -- )
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#! Peek datastack to EAX.
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EAX [ ESI ] MOV ;
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: POP-DS ( -- )
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#! Pop datastack to EAX.
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PEEK-DS
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ESI 4 SUB ;
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: PUSH-DS ( -- )
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#! Push EAX to datastack.
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ESI 4 ADD
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[ ESI ] EAX MOV ;
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: PEEK-CS ( -- )
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#! Peek return stack to EAX.
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ECX CS>
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EAX [ ECX ] MOV ;
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: POP-CS ( -- )
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#! Pop return stack to EAX.
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PEEK-CS
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ECX 4 SUB
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ECX >CS ;
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: PUSH-CS ( -- )
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#! Push EAX to return stack.
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ECX 4 ADD
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[ ECX ] EAX MOV
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ECX >CS ;
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: immediate-literal ( obj -- )
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[ ESI ] swap address MOV ;
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: indirect-literal ( obj -- )
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EAX swap intern-literal unit MOV f rel-address ;
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#push-immediate [
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ESI 4 ADD
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immediate-literal
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] "generator" set-word-prop
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#push-indirect [
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indirect-literal
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PUSH-DS
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] "generator" set-word-prop
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#replace-immediate [
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immediate-literal
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] "generator" set-word-prop
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#replace-indirect [
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indirect-literal
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[ ESI ] EAX MOV
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] "generator" set-word-prop
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\ drop [
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drop
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ESI 4 SUB
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] "generator" set-word-prop
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\ dup [
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drop
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PEEK-DS
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PUSH-DS
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] "generator" set-word-prop
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\ swap [
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drop
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EAX [ ESI ] MOV
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EDX [ ESI -4 ] MOV
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[ ESI ] EDX MOV
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[ ESI -4 ] EAX MOV
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] "generator" set-word-prop
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\ over [
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drop
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EAX [ ESI -4 ] MOV
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PUSH-DS
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] "generator" set-word-prop
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\ pick [
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drop
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EAX [ ESI -8 ] MOV
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PUSH-DS
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] "generator" set-word-prop
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\ >r [
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drop
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POP-DS
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ECX CS>
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PUSH-CS
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] "generator" set-word-prop
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\ r> [
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drop
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POP-CS
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PUSH-DS
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] "generator" set-word-prop
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