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image files and scheme48 virtual machines

To: Sean Doran <smd@sean.ebone.net>
Subject: image files and scheme48 virtual machines
From: Brian D. Carlstrom <bdc@martigny.ai.mit.edu>
Date: Thu, 28 Aug 1997 17:58:21 -0700
Cc: scsh-list@martigny.ai.mit.edu
Reply-to: "Brian D. Carlstrom" <bdc@ai.mit.edu>
Sean Doran writes:
 > 
 > 
 > Out of curiosity, now that I've made a new 
 > scsh-tramp.c -> scsh, and supplied a
 > /usr/local/lib/scsh/scshvm that was statically
 > compiled, so that I get:
 > 
 > : sean.ebone.net ; scsh -c '(run (| (ps vaxgww) (egrep scshvm|PID)))' 
 >   PID STAT      TIME  SL  RE PAGEIN   VSZ  RSS   LIM TSIZ %CPU %MEM COMMAND
 > 14437 SN+    0:00.19   0   1     16 18900 2292     - 1088 10.0  3.5 scsh -- 
 > -c (run (| (ps vaxgww) (egrep scshvm|PID))) (scshvm)
 > 14438 DN+    0:00.03   0   0     10    92  272     -   60  0.0  0.4 egrep 
 > scshvm|PID 
 > 
 > I have a question. 
 > 
 > What does the Scheme48 VM *do* with .image files?
 > Does it replace all code in the VM with the stuff
 > in the image file?  Does it grovel through the .image file
 > making decisions on what to include and what not to
 > include?   I can't seem to find this documented...

If you have a statically linked VM and you give it an image file it just
ignores the statically linked one. With the statically linked vm I used
to just invoke it directly without arguments.

-bri

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