| \ Compare nonrelocatable images and produce a relocatable image |
\ Compare nonrelocatable images and produce a relocatable image |
| |
|
| \ Copyright (C) 1996,1997,1998,2002,2003,2004,2007 Free Software Foundation, Inc. |
\ Copyright (C) 1996,1997,1998,2002,2003,2004,2007,2010 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| \ write a cell to the file |
\ write a cell to the file |
| w cell file-id write-file ; |
w cell file-id write-file ; |
| |
|
| : th ( addr1 n -- addr2 ) |
|
| cells + ; |
|
| |
|
| : bset ( bmask c-addr -- ) |
: bset ( bmask c-addr -- ) |
| tuck c@ or swap c! ; |
tuck c@ or swap c! ; |
| |
|
| doffset 0= abort" images have the same dictionary base address" |
doffset 0= abort" images have the same dictionary base address" |
| ." data offset=" doffset . cr |
." data offset=" doffset . cr |
| ." code" image1 image2 cell 26 cells image-data { cbase coffset } |
." code" image1 image2 cell 26 cells image-data { cbase coffset } |
| ." xt" image1 image2 11 cells 22 cells image-data { xbase xoffset } |
." xt" image1 image2 12 cells 22 cells image-data { xbase xoffset } |
| size 0 |
size 0 |
| u+do |
u+do |
| image1 i th @ image2 i th @ { cell1 cell2 } |
image1 i th @ image2 i th @ { cell1 cell2 } |
| |
|
| : 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" Gforth3" search 0= abort" not a Gforth image" |
image1 size1 s" Gforth4" 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" |
| image1 header-offset + 2 cells + @ header-offset + size1 <> abort" header gives wrong size" |
image1 header-offset + 2 cells + @ header-offset + size1 <> abort" header gives wrong size" |
