File:  [gforth] / gforth / savesys.fs
Revision 1.2: download - view: text, annotated - select for diffs
Tue Dec 8 22:02:50 1998 UTC (20 years, 6 months ago) by anton
Branches: MAIN
CVS tags: v0-4-0, HEAD
updated dates in copyright messages
inserted copyright messages in most files that did not have them
removed outdated files engine/32bit.h engine/strsig.c

\ image dump                                           15nov94py

\ Copyright (C) 1995,1997 Free Software Foundation, Inc.

\ This file is part of Gforth.

\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation; either version 2
\ of the License, or (at your option) any later version.

\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
\ GNU General Public License for more details.

\ You should have received a copy of the GNU General Public License
\ along with this program; if not, write to the Free Software
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

: save-string-dict { addr1 u -- addr2 u }
    here { addr2 }
    u allot
    addr1 addr2 u move
    addr2 u ;

: update-image-included-files ( -- )
    included-files 2@ { addr cnt }
    image-included-files 2@ { old-addr old-cnt }
    align here { new-addr }
    cnt 2* cells allot
    new-addr cnt image-included-files 2!
    old-addr new-addr old-cnt 2* cells move
    cnt old-cnt
    U+DO
        addr i 2* cells + 2@ save-string-dict
	new-addr i 2* cells + 2!
    LOOP
    maxalign ;

: dump-fi ( addr u -- )
    w/o bin create-file throw >r
    update-image-included-files
    here forthstart - forthstart 2 cells + !
    forthstart
    begin \ search for start of file ("#! " at a multiple of 8)
	8 -
	dup 3 s" #! " compare 0=
    until ( imagestart )
    here over - r@ write-file throw
    r> close-file throw ;

: savesystem ( "name" -- ) \ gforth
    name dump-fi ;

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