54 lines
2.6 KiB
Factor
54 lines
2.6 KiB
Factor
USING: bootstrap.image.private byte-arrays help.markup help.syntax
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io.pathnames math quotations sequences strings words ;
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IN: bootstrap.image
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HELP: architecture
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{ $var-description "Bootstrap architecture name" } ;
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HELP: define-sub-primitive
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{ $values { "quot" quotation } { "word" word } }
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{ $description "Defines a sub primitive by running the quotation which is supposed to output assembler code. The word is then used to call the assembly." }
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{ $see-also sub-primitives } ;
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HELP: jit-define
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{ $values { "quot" quotation } { "n" integer } }
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{ $description "Runs a quotation generating assembly code. The code is added to the special-objects table being constructed for the bootstrap image." } ;
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HELP: make-image
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{ $values { "arch" string } }
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{ $description "Creates a bootstrap image from sources, where " { $snippet "architecture" } " is one of the following:"
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{ $code "\"x86.32\"" "\"unix-x86.64\"" "\"windows-x86.64\"" "\"linux-ppc\"" }
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"The new image file is written to the " { $link resource-path } " and is named " { $snippet "boot." { $emphasis "architecture" } ".image" } "." } ;
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HELP: make-jit
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{ $values
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{ "quot" quotation }
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{ "parameters" sequence }
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{ "literals" sequence }
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{ "code" "a { relocation insns } pair" }
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}
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{ $description "Runs the quotation to generate machine code. Code is a 2-tuple, where the first element is a " { $link byte-array } " of relocations and the second element the generated code." } ;
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HELP: make-jit-no-params
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{ $values
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{ "quot" quotation }
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{ "code" sequence }
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}
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{ $description "Like " { $link make-jit } ", except the assembler code can't contain any relocation parameters. The word is used to generate the code templatees that the JIT uses to compile quotations." } ;
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HELP: sub-primitives
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{ $var-description "An assoc that is set during bootstrapping. It contains symbols defining sub primitives as key, and generated assembly code for those symbols as values." } ;
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ARTICLE: "bootstrap.image" "Bootstrapping new images"
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"A new image can be built from source; this is known as " { $emphasis "bootstrap" } ". Bootstrap is a two-step process. The first stage is the creation of a bootstrap image from a running Factor instance:"
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{ $subsections make-image }
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"The second bootstrapping stage is initiated by running the resulting bootstrap image:"
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{ $code "./factor -i=boot.x86.32.image" }
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"This stage loads additional code, compiles all words, and dumps a final " { $snippet "factor.image" } "."
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$nl
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"The bootstrap process can be customized with command-line switches."
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{ $see-also "runtime-cli-args" "bootstrap-cli-args" } ;
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ABOUT: "bootstrap.image"
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