56 lines
2.1 KiB
Factor
56 lines
2.1 KiB
Factor
! Copyright (C) 2008, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: math kernel layouts system strings words quotations byte-arrays
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alien arrays literals sequences ;
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IN: compiler.constants
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! These constants must match vm/memory.h
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CONSTANT: card-bits 8
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CONSTANT: deck-bits 18
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: card-mark ( -- n ) HEX: 40 HEX: 80 bitor ; inline
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! These constants must match vm/layouts.h
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: header-offset ( -- n ) object tag-number neg ; inline
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: float-offset ( -- n ) 8 float tag-number - ; inline
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: string-offset ( -- n ) 4 bootstrap-cells string tag-number - ; inline
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: string-aux-offset ( -- n ) 2 bootstrap-cells string tag-number - ; inline
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: profile-count-offset ( -- n ) 8 bootstrap-cells \ word tag-number - ; inline
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: byte-array-offset ( -- n ) 2 bootstrap-cells byte-array tag-number - ; inline
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: alien-offset ( -- n ) 3 bootstrap-cells alien tag-number - ; inline
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: underlying-alien-offset ( -- n ) bootstrap-cell alien tag-number - ; inline
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: tuple-class-offset ( -- n ) bootstrap-cell tuple tag-number - ; inline
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: word-xt-offset ( -- n ) 10 bootstrap-cells \ word tag-number - ; inline
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: quot-xt-offset ( -- n ) 5 bootstrap-cells quotation tag-number - ; inline
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: word-code-offset ( -- n ) 11 bootstrap-cells \ word tag-number - ; inline
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: array-start-offset ( -- n ) 2 bootstrap-cells array tag-number - ; inline
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: compiled-header-size ( -- n ) 4 bootstrap-cells ; inline
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! Relocation classes
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CONSTANT: rc-absolute-cell 0
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CONSTANT: rc-absolute 1
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CONSTANT: rc-relative 2
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CONSTANT: rc-absolute-ppc-2/2 3
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CONSTANT: rc-absolute-ppc-2 4
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CONSTANT: rc-relative-ppc-2 5
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CONSTANT: rc-relative-ppc-3 6
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CONSTANT: rc-relative-arm-3 7
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CONSTANT: rc-indirect-arm 8
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CONSTANT: rc-indirect-arm-pc 9
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! Relocation types
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CONSTANT: rt-primitive 0
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CONSTANT: rt-dlsym 1
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CONSTANT: rt-dispatch 2
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CONSTANT: rt-xt 3
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CONSTANT: rt-xt-pic 4
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CONSTANT: rt-xt-pic-tail 5
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CONSTANT: rt-here 6
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CONSTANT: rt-this 7
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CONSTANT: rt-immediate 8
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CONSTANT: rt-stack-chain 9
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CONSTANT: rt-untagged 10
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CONSTANT: rt-megamorphic-cache-hits 11
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: rc-absolute? ( n -- ? )
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${ rc-absolute-ppc-2/2 rc-absolute-cell rc-absolute } member? ;
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