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Annotation of gforth/dumpimage.fs, revision 1.5

1.1       pazsan      1: \ image dump                                           15nov94py
                      2: 
1.5     ! anton       3: \ Copyright (C) 1995 Free Software Foundation, Inc.
        !             4: 
        !             5: \ This file is part of Gforth.
        !             6: 
        !             7: \ Gforth is free software; you can redistribute it and/or
        !             8: \ modify it under the terms of the GNU General Public License
        !             9: \ as published by the Free Software Foundation; either version 2
        !            10: \ of the License, or (at your option) any later version.
        !            11: 
        !            12: \ This program is distributed in the hope that it will be useful,
        !            13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15: \ GNU General Public License for more details.
        !            16: 
        !            17: \ You should have received a copy of the GNU General Public License
        !            18: \ along with this program; if not, write to the Free Software
        !            19: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            20: 
1.3       pazsan     21: Create magic  s" gforth00" here over allot swap move
1.1       pazsan     22: 
1.3       pazsan     23: '1 1 cells + 0 pad ! -1 pad c! pad @ 0< +  magic 7 chars + c!
                     24: 
1.4       anton      25: : save-string-dict { addr1 u -- addr2 u }
                     26:     here { addr2 }
                     27:     u allot
                     28:     addr1 addr2 u move
                     29:     addr2 u ;
                     30: 
                     31: : update-image-included-files ( -- )
                     32:     included-files 2@ { addr cnt }
                     33:     image-included-files 2@ { old-addr old-cnt }
                     34:     align here { new-addr }
                     35:     cnt 2* cells allot
                     36:     new-addr cnt image-included-files 2!
                     37:     old-addr new-addr old-cnt 2* cells move
                     38:     cnt old-cnt
                     39:     U+DO
                     40:         addr i 2* cells + 2@ save-string-dict
                     41:        new-addr i 2* cells + 2!
                     42:     LOOP ;
                     43: 
                     44: : dump-fi ( addr u -- )
                     45:     w/o bin create-file throw >r
                     46:     magic 8 r@ write-file throw
                     47:     update-image-included-files
                     48:     forthstart here over - dup forthstart cell+ !
1.1       pazsan     49:                          r@ write-file throw
1.3       pazsan     50: \  relinfo here forthstart - 1- 8 cells / 1+ r@ write-file throw
1.1       pazsan     51:   r> close-file throw ;
1.2       pazsan     52: 
1.4       anton      53: : savesystem ( "name" -- ) \ gforth
                     54:     name dump-fi ;