355 lines
16 KiB
Scheme
355 lines
16 KiB
Scheme
;;; GNU Mes --- Maxwell Equations of Software
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;;; Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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;;;
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;;; This file is part of GNU Mes.
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;;;
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;;; GNU Mes is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Mes is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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(define-module (mescc mescc)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 pretty-print)
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#:use-module (ice-9 getopt-long)
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#:use-module (mes misc)
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#:use-module (mescc i386 info)
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#:use-module (mescc x86_64 info)
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#:use-module (mescc preprocess)
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#:use-module (mescc compile)
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#:use-module (mescc M1)
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#:export (count-opt
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mescc:preprocess
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mescc:get-host
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mescc:compile
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mescc:assemble
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mescc:link
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multi-opt))
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(define GUILE-with-output-to-file with-output-to-file)
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(define (with-output-to-file file-name thunk)
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(if (equal? file-name "-") (thunk)
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(GUILE-with-output-to-file file-name thunk)))
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(define (mescc:preprocess options)
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(let* ((pretty-print/write (string->symbol (option-ref options 'write (if guile? "pretty-print" "write"))))
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(pretty-print/write (if (eq? pretty-print/write 'pretty-print) pretty-print write))
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(files (option-ref options '() '("a.c")))
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(input-file-name (car files))
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(input-base (basename input-file-name))
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(ast-file-name (cond ((and (option-ref options 'preprocess #f)
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(option-ref options 'output #f)))
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(else (replace-suffix input-base ".E"))))
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(dir (dirname input-file-name))
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(defines (reverse (filter-map (multi-opt 'define) options)))
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(includes (reverse (filter-map (multi-opt 'include) options)))
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(includes (cons (option-ref options 'includedir #f) includes))
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(includes (cons dir includes))
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(prefix (option-ref options 'prefix ""))
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(machine (option-ref options 'machine "32"))
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(arch (arch-get options))
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(defines (cons (arch-get-define options) defines))
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(verbose? (count-opt options 'verbose)))
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(with-output-to-file ast-file-name
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(lambda _ (for-each (cut c->ast prefix defines includes arch pretty-print/write verbose? <>) files)))))
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(define (c->ast prefix defines includes arch write verbose? file-name)
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(with-input-from-file file-name
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(cut write (c99-input->ast #:prefix prefix #:defines defines #:includes includes #:arch arch #:verbose? verbose?))))
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(define (mescc:compile options)
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(let* ((files (option-ref options '() '("a.c")))
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(input-file-name (car files))
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(input-base (basename input-file-name))
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(M1-file-name (cond ((and (option-ref options 'compile #f)
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(option-ref options 'output #f)))
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((string-suffix? ".S" input-file-name) input-file-name)
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(else (replace-suffix input-base ".s"))))
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(infos (map (cut file->info options <>) files))
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(verbose? (count-opt options 'verbose))
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(align? (option-ref options 'align #f)))
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(when verbose?
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(stderr "dumping: ~a\n" M1-file-name))
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(with-output-to-file M1-file-name
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(cut infos->M1 M1-file-name infos #:align? align? #:verbose? verbose?))
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M1-file-name))
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(define (file->info options file-name)
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(cond ((.c? file-name) (c->info options file-name))
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((.E? file-name) (E->info options file-name))))
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(define (c->info options file-name)
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(let* ((dir (dirname file-name))
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(defines (reverse (filter-map (multi-opt 'define) options)))
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(includes (reverse (filter-map (multi-opt 'include) options)))
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(includes (cons (option-ref options 'includedir #f) includes))
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(includes (cons dir includes))
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(prefix (option-ref options 'prefix ""))
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(defines (cons (arch-get-define options) defines))
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(arch (arch-get options))
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(verbose? (count-opt options 'verbose)))
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(with-input-from-file file-name
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(cut c99-input->info (arch-get-info options) #:prefix prefix #:defines defines #:includes includes #:arch arch #:verbose? verbose?))))
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(define (E->info options file-name)
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(let ((ast (with-input-from-file file-name read))
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(verbose? (count-opt options 'verbose)))
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(c99-ast->info (arch-get-info options) ast #:verbose? verbose?)))
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(define (mescc:assemble options)
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(let* ((files (option-ref options '() '("a.c")))
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(input-file-name (car files))
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(input-base (basename input-file-name))
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(hex2-file-name (cond ((and (option-ref options 'assemble #f)
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(option-ref options 'output #f)))
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(else (replace-suffix input-base ".o"))))
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(s-files (filter .s? files))
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(hex2-files M1->hex2 ) ;; FIXME
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(source-files (filter (disjoin .c? .E?) files))
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(infos (map (cut file->info options <>) source-files)))
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(if (and (pair? s-files) (pair? infos))
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(error "mixing source and object not supported:" source-files s-files))
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(when (pair? s-files)
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(M1->hex2 options s-files))
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(when (pair? infos)
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(infos->hex2 options hex2-file-name infos))
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hex2-file-name))
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(define (mescc:link options)
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(let* ((files (option-ref options '() '("a.c")))
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(source-files (filter (disjoin .c? .E?) files))
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(s-files (filter .s? files))
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(o-files (filter .o? files))
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(input-file-name (car files))
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(hex2-file-name (if (or (string-suffix? ".hex2" input-file-name)
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(string-suffix? ".o" input-file-name)) input-file-name
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(replace-suffix input-file-name ".o")))
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(infos (map (cut file->info options <>) source-files))
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(s-files (filter .s? files))
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(hex2-files (filter .o? files))
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(hex2-files (if (null? s-files) hex2-files
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(append hex2-files (list (M1->hex2 options s-files)))))
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(hex2-files (if (null? infos) hex2-files
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(append hex2-files
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(list (infos->hex2 options hex2-file-name infos)))))
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(default-libraries (if (or (option-ref options 'nodefaultlibs #f)
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(option-ref options 'nostdlib #f)) '()
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'("c")))
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(libraries (filter-map (multi-opt 'library) options))
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(libraries (delete-duplicates (append libraries default-libraries)))
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(hex2-libraries (map (cut find-library options ".a" <>) libraries))
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(hex2-files (append hex2-files hex2-libraries))
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(s-files (append s-files (map (cut find-library options ".s" <>) libraries)))
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(debug-info? (option-ref options 'debug-info #f))
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(s-files (if (string-suffix? ".S" input-file-name) s-files
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(cons (replace-suffix input-file-name ".s") s-files)))
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(elf-footer (and debug-info?
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(or (M1->blood-elf options s-files)
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(exit 1)))))
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(or (hex2->elf options hex2-files #:elf-footer elf-footer)
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(exit 1))))
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(define (infos->hex2 options hex2-file-name infos)
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(let* ((input-file-name (car (option-ref options '() '("a.c"))))
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(M1-file-name (replace-suffix hex2-file-name ".s"))
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(options (acons 'compile #t options)) ; ugh
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(options (acons 'output hex2-file-name options))
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(verbose? (count-opt options 'verbose))
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(align? (option-ref options 'align #f)))
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(when verbose?
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(stderr "dumping: ~a\n" M1-file-name))
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(with-output-to-file M1-file-name
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(cut infos->M1 M1-file-name infos #:align? align?))
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(or (M1->hex2 options (list M1-file-name))
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(exit 1))))
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(define (M1->hex2 options M1-files)
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(let* ((input-file-name (car (option-ref options '() '("a.c"))))
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(input-base (basename input-file-name))
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(M1-file-name (car M1-files))
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(hex2-file-name (cond ((and (option-ref options 'assemble #f)
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(option-ref options 'output #f)))
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((option-ref options 'assemble #f)
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(replace-suffix input-base ".o"))
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(else (replace-suffix M1-file-name ".o"))))
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(verbose? (count-opt options 'verbose))
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(M1 (or (getenv "M1") "M1"))
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(command `(,M1
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"--LittleEndian"
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"--architecture" ,(arch-get-architecture options)
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"-f" ,(arch-find options (arch-get-m1-macros options))
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,@(append-map (cut list "-f" <>) M1-files)
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"-o" ,hex2-file-name)))
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(when (and verbose? (> verbose? 1))
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(stderr "~a\n" (string-join command)))
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(and (zero? (apply assert-system* command))
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hex2-file-name)))
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(define* (hex2->elf options hex2-files #:key elf-footer)
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(let* ((input-file-name (car (option-ref options '() '("a.c"))))
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(elf-file-name (cond ((option-ref options 'output #f))
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(else "a.out")))
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(verbose? (count-opt options 'verbose))
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(hex2 (or (getenv "HEX2") "hex2"))
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(base-address (option-ref options 'base-address "0x1000000"))
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(machine (arch-get-machine options))
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(elf-footer (or elf-footer
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(arch-find options (string-append
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"elf" machine "-footer-single-main.hex2"))))
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(start-files (if (or (option-ref options 'nostartfiles #f)
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(option-ref options 'nostdlib #f)) '()
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`("-f" ,(arch-find options "crt1.o"))))
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(command `(,hex2
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"--LittleEndian"
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"--architecture" ,(arch-get-architecture options)
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"--BaseAddress" ,base-address
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"-f" ,(arch-find options (string-append "elf" machine "-header.hex2"))
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,@start-files
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,@(append-map (cut list "-f" <>) hex2-files)
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"-f" ,elf-footer
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"--exec_enable"
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"-o" ,elf-file-name)))
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(when (and verbose? (> verbose? 1))
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(stderr "~a\n" (string-join command)))
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(and (zero? (apply assert-system* command))
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elf-file-name)))
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(define (M1->blood-elf options M1-files)
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(let* ((M1-file-name (car M1-files))
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(M1-blood-elf-footer (string-append M1-file-name ".blood-elf"))
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(hex2-file-name (replace-suffix M1-file-name ".o"))
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(blood-elf-footer (string-append hex2-file-name ".blood-elf"))
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(verbose? (count-opt options 'verbose))
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(blood-elf (or (getenv "BLOOD_ELF") "blood-elf"))
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(command `(,blood-elf
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"-f" ,(arch-find options (arch-get-m1-macros options))
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,@(append-map (cut list "-f" <>) M1-files)
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"-o" ,M1-blood-elf-footer)))
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(when (and verbose? (> verbose? 1))
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(format (current-error-port) "~a\n" (string-join command)))
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(and (zero? (apply assert-system* command))
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(let* ((options (acons 'compile #t options)) ; ugh
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(options (acons 'output blood-elf-footer options)))
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(M1->hex2 options (list M1-blood-elf-footer))))))
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(define (replace-suffix file-name suffix)
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(let* ((parts (string-split file-name #\.))
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(base (if (pair? (cdr parts)) (drop-right parts 1)))
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(old-suffix (last parts))
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(program-prefix (cond ((string-prefix? "arm-mes-" old-suffix) ".arm-mes-")
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((string-prefix? "x86-mes-" old-suffix) ".x86-mes-")
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((string-prefix? "x86_64-mes-" old-suffix) ".x86_64-mes-")
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(else "."))))
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(if (string-null? suffix)
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(if (string-null? program-prefix) (string-join base ".")
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(string-append (string-drop program-prefix 1) (string-join base ".")))
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(string-append (string-join base ".") program-prefix (string-drop suffix 1)))))
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(define (find-library options ext o)
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(arch-find options (string-append "lib" o ext)))
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(define* (arch-find options file-name)
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(let* ((srcdest (or (getenv "srcdest") ""))
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(srcdir-lib (string-append srcdest "lib"))
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(arch (string-append (arch-get options) "-mes"))
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(path (cons* "."
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srcdir-lib
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(option-ref options 'libdir "lib")
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(filter-map (multi-opt 'library-dir) options)))
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(arch-file-name (string-append arch "/" file-name))
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(verbose? (count-opt options 'verbose)))
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(let ((file (search-path path arch-file-name)))
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(when (and verbose? (> verbose? 1))
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(stderr "arch-find=~s\n" arch-file-name)
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(stderr " path=~s\n" path)
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(stderr " => ~s\n" file))
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(or file
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(error (format #f "mescc: file not found: ~s" arch-file-name))))))
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(define (assert-system* . args)
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(let ((status (apply system* args)))
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(when (not (zero? status))
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(stderr "mescc: failed: ~a\n" (string-join args))
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(exit (status:exit-val status)))
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status))
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(define (arch-get options)
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(let* ((machine (option-ref options 'machine #f))
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(arch (option-ref options 'arch #f)))
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(if machine (cond ((member arch '("x86" "x86_64")) (cond ((equal? machine "32") "x86")
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((equal? machine "64") "x86_64")))
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((equal? arch "arm") (cond ((equal? machine "32") "arm"))))
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arch)))
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(define (mescc:get-host options)
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(let ((cpu (arch-get options))
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(kernel "linux"))
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(string-join (list cpu kernel "mes") "-")))
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(define (arch-get-info options)
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(let ((arch (arch-get options)))
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(cond ((equal? arch "arm") (armv4-info))
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((equal? arch "x86") (x86-info))
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((equal? arch "x86_64") (x86_64-info)))))
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(define (arch-get-define options)
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(let ((arch (arch-get options)))
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(cond ((equal? arch "arm") "__arm__=1")
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((equal? arch "x86") "__i386__=1")
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((equal? arch "x86_64") "__x86_64__=1"))))
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(define (arch-get-machine options)
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(let* ((machine (option-ref options 'machine #f))
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(arch (option-ref options 'arch #f)))
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(or machine
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(if (member arch '("x86_64")) "64"
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"32"))))
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(define (arch-get-m1-macros options)
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(let ((arch (arch-get options)))
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(cond ((equal? arch "arm") "arm.M1")
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((equal? arch "x86") "x86.M1")
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((equal? arch "x86_64") "x86_64.M1"))))
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(define (arch-get-architecture options)
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(let ((arch (arch-get options)))
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(cond ((equal? arch "arm") "armv7l")
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((equal? arch "x86") "x86")
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((equal? arch "x86_64") "amd64"))))
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(define (multi-opt option-name) (lambda (o) (and (eq? (car o) option-name) (cdr o))))
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(define (count-opt options option-name)
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(let ((lst (filter-map (multi-opt option-name) options)))
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(and (pair? lst) (length lst))))
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(define (.c? o) (or (string-suffix? ".c" o)
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(string-suffix? ".M2" o)))
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(define (.E? o) (or (string-suffix? ".E" o)
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(string-suffix? ".mes-E" o)
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(string-suffix? ".arm-mes-E" o)
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(string-suffix? ".x86-mes-E" o)
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(string-suffix? ".x86_64-mes-E" o)))
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(define (.s? o) (or (string-suffix? ".s" o)
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(string-suffix? ".S" o)
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(string-suffix? ".mes-S" o)
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(string-suffix? ".arm-mes-S" o)
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(string-suffix? ".x86-mes-S" o)
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(string-suffix? ".x86_64-mes-S" o)
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(string-suffix? ".M1" o)))
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(define (.o? o) (or (string-suffix? ".o" o)
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(string-suffix? ".mes-o" o)
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(string-suffix? ".arm-mes-o" o)
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(string-suffix? ".x86-mes-o" o)
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(string-suffix? ".x86_64-mes-o" o)
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(string-suffix? ".hex2" o)))
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