163 lines
4.1 KiB
Factor
163 lines
4.1 KiB
Factor
! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: compiler
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USE: alien
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USE: inference
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USE: kernel
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USE: namespaces
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USE: words
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USE: lists
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USE: math
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: DS ( -- address ) "ds" dlsym-self ;
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: absolute-ds ( -- )
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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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"ds" f rel-dlsym-self ;
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: POP-DS ( -- )
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#! Pop datastack to EAX.
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DS ECX [I]>R absolute-ds
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ECX EAX [R]>R
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4 ECX R-I
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ECX DS R>[I] absolute-ds ;
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#push-immediate [
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DS ECX [I]>R absolute-ds
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4 ECX R+I
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address ECX I>[R]
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ECX DS R>[I] absolute-ds
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] "generator" set-word-property
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#push-indirect [
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DS ECX [I]>R absolute-ds
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4 ECX R+I
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intern-literal EAX [I]>R rel-address
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EAX ECX R>[R]
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ECX DS R>[I] absolute-ds
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] "generator" set-word-property
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#replace-immediate [
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DS ECX [I]>R absolute-ds
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address ECX I>[R]
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ECX DS R>[I] absolute-ds
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] "generator" set-word-property
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#replace-indirect [
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DS ECX [I]>R absolute-ds
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intern-literal EAX [I]>R rel-address
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EAX ECX R>[R]
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ECX DS R>[I] absolute-ds
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] "generator" set-word-property
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#call [
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dup dup postpone-word
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CALL compiled-offset defer-xt
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t rel-word
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] "generator" set-word-property
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#jump [
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dup dup postpone-word
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JUMP compiled-offset defer-xt
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t rel-word
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] "generator" set-word-property
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#call-label [
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CALL compiled-offset defer-xt
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] "generator" set-word-property
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#jump-label [
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JUMP compiled-offset defer-xt
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] "generator" set-word-property
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#jump-t [
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POP-DS
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! condition is now in EAX
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f address EAX CMP-I-R
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! jump w/ address added later
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JNE compiled-offset defer-xt
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] "generator" set-word-property
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#return-to [
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PUSH-I/PARTIAL 0 defer-xt rel-address
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] "generator" set-word-property
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#return [ drop RET ] "generator" set-word-property
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#dispatch [
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#! Compile a piece of code that jumps to an offset in a
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#! jump table indexed by the fixnum at the top of the stack.
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#! The jump table must immediately follow this macro.
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drop
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POP-DS
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1 EAX R>>I
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EAX+/PARTIAL ( -- fixup ) rel-address
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EAX JUMP-[R]
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compile-aligned
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compiled-offset swap set-compiled-cell ( fixup -- )
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] "generator" set-word-property
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#target [
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#! Jump table entries are absolute addresses.
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compiled-offset 0 compile-cell 0 defer-xt rel-address
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] "generator" set-word-property
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#c-call [ CALL JUMP-FIXUP ] "generator" set-word-property
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#unbox [
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CALL JUMP-FIXUP
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EAX PUSH-R
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] "generator" set-word-property
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#box [
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EAX PUSH-R
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CALL JUMP-FIXUP
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4 ESP R+I
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] "generator" set-word-property
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#cleanup [
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dup 0 = [ drop ] [ ESP R+I ] ifte
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] "generator" set-word-property
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[
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[ #drop drop ]
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[ #dup dup ]
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[ #swap swap ]
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[ #over over ]
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[ #pick pick ]
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[ #>r >r ]
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[ #r> r> ]
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] [
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uncons
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[
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car dup CALL compiled-offset defer-xt t rel-word drop
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] cons
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"generator" set-word-property
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] each
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