1: \ image dump 15nov94py
2:
3: \ Copyright (C) 1995,1997,2003,2006 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21: : save-mem-dict { addr1 u -- addr2 u }
22: here { addr2 }
23: u allot
24: addr1 addr2 u move
25: addr2 u ;
26:
27: : delete-prefix ( c-addr1 u1 c-addr2 u2 -- c-addr3 u3 )
28: \ if c-addr2 u2 is a prefix of c-addr1 u1, delete it
29: 2over 2over string-prefix? if
30: nip /string
31: else
32: 2drop
33: endif ;
34:
35: : update-image-included-files ( -- )
36: included-files 2@ { addr cnt }
37: image-included-files 2@ { old-addr old-cnt }
38: align here { new-addr }
39: cnt 2* cells allot
40: new-addr cnt image-included-files 2!
41: old-addr new-addr old-cnt 2* cells move
42: cnt old-cnt
43: U+DO
44: addr i 2* cells + 2@
45: s" GFORTHDESTDIR" getenv delete-prefix save-mem-dict
46: new-addr i 2* cells + 2!
47: LOOP
48: maxalign ;
49:
50: : dump-fi ( addr u -- )
51: w/o bin create-file throw >r
52: update-image-included-files
53: update-image-order
54: here forthstart - forthstart 2 cells + !
55: forthstart
56: begin \ search for start of file ("#! " at a multiple of 8)
57: 8 -
58: dup 3 s" #! " str=
59: until ( imagestart )
60: here over - r@ write-file throw
61: r> close-file throw ;
62:
63: : savesystem ( "name" -- ) \ gforth
64: name dump-fi ;
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>