\ image dump 15nov94py
\ Copyright (C) 1995,1997,2003,2006,2007 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 3
\ 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, see http://www.gnu.org/licenses/.
: save-mem-dict { addr1 u -- addr2 u }
here { addr2 }
u allot
addr1 addr2 u move
addr2 u ;
: delete-prefix ( c-addr1 u1 c-addr2 u2 -- c-addr3 u3 )
\ if c-addr2 u2 is a prefix of c-addr1 u1, delete it
2over 2over string-prefix? if
nip /string
else
2drop
endif ;
: 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@
s" GFORTHDESTDIR" getenv delete-prefix save-mem-dict
new-addr i 2* cells + 2!
LOOP
maxalign ;
: dump-fi ( addr u -- )
w/o bin create-file throw >r
update-image-included-files
update-image-order
here forthstart - forthstart 2 cells + !
forthstart
begin \ search for start of file ("#! " at a multiple of 8)
8 -
dup 3 s" #! " str=
until ( imagestart )
here over - r@ write-file throw
r> close-file throw ;
: savesystem ( "name" -- ) \ gforth
name dump-fi ;
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