version 1.1, 1997/05/21 20:39:19
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version 1.5, 2000/09/23 15:46:51
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\ Compare nonrelocatable images and produce a relocatable image |
\ Compare nonrelocatable images and produce a relocatable image |
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\ Copyright (C) 1996-1997 Free Software Foundation, Inc. |
\ Copyright (C) 1996,1997,1998 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ 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. |
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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 |
Line 47 s" address-unit-bits" environment? drop
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Line 47 s" address-unit-bits" environment? drop
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if |
if |
." images have the same code base address; producing only a data-relocatable image" cr |
." images have the same code base address; producing only a data-relocatable image" cr |
else |
else |
coffset abs 11 cells <> abort" images produced by different engines" |
coffset abs 22 cells <> abort" images produced by different engines" |
." code offset=" coffset . cr |
." code offset=" coffset . cr |
0 image1 cell+ ! 0 image2 cell+ ! |
0 image1 cell+ ! 0 image2 cell+ ! |
endif |
endif |
Line 90 s" address-unit-bits" environment? drop
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Line 90 s" address-unit-bits" environment? drop
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: 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" |