49 lines
1.5 KiB
Factor
49 lines
1.5 KiB
Factor
! Copyright (C) 2009 Matthew Willis.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien.c-types alien.syntax assocs destructors
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kernel llvm.core llvm.engine llvm.wrappers namespaces ;
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IN: llvm.jit
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SYMBOL: thejit
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TUPLE: jit ee mps ;
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: empty-engine ( -- engine )
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"initial-module" <module> <provider> <engine> ;
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: <jit> ( -- jit )
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jit new empty-engine >>ee H{ } clone >>mps ;
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: (remove-functions) ( function -- )
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thejit get ee>> value>> over LLVMFreeMachineCodeForFunction
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LLVMGetNextFunction dup ALIEN: 0 = [ drop ] [ (remove-functions) ] if ;
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: remove-functions ( module -- )
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! free machine code for each function in module
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LLVMGetFirstFunction dup ALIEN: 0 = [ drop ] [ (remove-functions) ] if ;
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: remove-provider ( provider -- )
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thejit get ee>> value>> swap value>> f <void*> f <void*>
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[ LLVMRemoveModuleProvider drop ] 2keep *void* [ llvm-throw ] when*
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*void* module new swap >>value
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[ value>> remove-functions ] with-disposal ;
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: remove-module ( name -- )
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dup thejit get mps>> at [
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remove-provider
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thejit get mps>> delete-at
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] [ drop ] if* ;
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: add-module ( module name -- )
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[ <provider> ] dip [ remove-module ] keep
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thejit get ee>> value>> pick
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[ [ value>> LLVMAddModuleProvider ] [ t >>disposed drop ] bi ] with-disposal
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thejit get mps>> set-at ;
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: function-pointer ( name -- alien )
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thejit get ee>> value>> dup
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rot f <void*> [ LLVMFindFunction drop ] keep
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*void* LLVMGetPointerToGlobal ;
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thejit [ <jit> ] initialize |