Annotation of gforth/savesys.fs, revision 1.14
1.1 anton 1: \ image dump 15nov94py
2:
1.14 ! anton 3: \ Copyright (C) 1995,1997,2003,2006,2007,2010 Free Software Foundation, Inc.
1.1 anton 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
1.11 anton 9: \ as published by the Free Software Foundation, either version 3
1.1 anton 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
1.11 anton 18: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.1 anton 19:
1.7 anton 20: : save-mem-dict { addr1 u -- addr2 u }
1.1 anton 21: here { addr2 }
22: u allot
23: addr1 addr2 u move
24: addr2 u ;
25:
1.9 anton 26: : delete-prefix ( c-addr1 u1 c-addr2 u2 -- c-addr3 u3 )
27: \ if c-addr2 u2 is a prefix of c-addr1 u1, delete it
28: 2over 2over string-prefix? if
29: nip /string
30: else
31: 2drop
32: endif ;
33:
1.1 anton 34: : update-image-included-files ( -- )
35: included-files 2@ { addr cnt }
36: image-included-files 2@ { old-addr old-cnt }
37: align here { new-addr }
38: cnt 2* cells allot
39: new-addr cnt image-included-files 2!
40: old-addr new-addr old-cnt 2* cells move
41: cnt old-cnt
42: U+DO
1.9 anton 43: addr i 2* cells + 2@
44: s" GFORTHDESTDIR" getenv delete-prefix save-mem-dict
1.1 anton 45: new-addr i 2* cells + 2!
46: LOOP
47: maxalign ;
48:
49: : dump-fi ( addr u -- )
50: w/o bin create-file throw >r
51: update-image-included-files
1.5 anton 52: update-image-order
1.1 anton 53: here forthstart - forthstart 2 cells + !
54: forthstart
55: begin \ search for start of file ("#! " at a multiple of 8)
56: 8 -
1.4 anton 57: dup 3 s" #! " str=
1.1 anton 58: until ( imagestart )
59: here over - r@ write-file throw
60: r> close-file throw ;
61:
62: : savesystem ( "name" -- ) \ gforth
63: name dump-fi ;
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