| \ Compare nonrelocatable images and produce a relocatable image |
\ Compare nonrelocatable images and produce a relocatable image |
| |
|
| \ Copyright (C) 1996-1997 Free Software Foundation, Inc. |
\ Copyright (C) 1996,1997,1998 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| |
|
| \ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
| \ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
| \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
| |
|
| s" address-unit-bits" environment? drop constant bits/au |
s" address-unit-bits" environment? drop constant bits/au |
| 6 constant dodoes-tag |
6 constant dodoes-tag |
| endif |
endif |
| loop ; |
loop ; |
| |
|
| : slurp-file ( c-addr1 u1 -- c-addr2 u2 ) |
|
| \ c-addr1 u1 is the filename, c-addr2 u2 is the file's contents |
|
| r/o bin open-file throw >r |
|
| r@ file-size throw abort" file too large" |
|
| dup allocate throw swap |
|
| 2dup r@ read-file throw over <> abort" could not read whole file" |
|
| r> close-file throw ; |
|
| |
|
| : comp-image ( "image-file1" "image-file2" "new-image" -- ) |
: comp-image ( "image-file1" "image-file2" "new-image" -- ) |
| name slurp-file { image1 size1 } |
name slurp-file { image1 size1 } |
| image1 size1 s" Gforth1" search 0= abort" not a Gforth image" |
image1 size1 s" Gforth2" search 0= abort" not a Gforth image" |
| drop 8 + image1 - { header-offset } |
drop 8 + image1 - { header-offset } |
| size1 aligned size1 <> abort" unaligned image size" |
size1 aligned size1 <> abort" unaligned image size" |
| size1 image1 header-offset + 2 cells + @ header-offset + <> abort" header gives wrong size" |
size1 image1 header-offset + 2 cells + @ header-offset + <> abort" header gives wrong size" |
