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From: dewar@schonberg.cs.nyu.edu (Robert Dewar)
Subject: Re: Executable File Size Differences
Date: 1996/09/29
Message-ID: <dewar.844014527@schonberg>#1/1
X-Deja-AN: 186052986
references: <52l34a$epm@news2.delphi.com>
organization: New York University
newsgroups: comp.lang.ada
Date: 1996-09-29T00:00:00+00:00
List-Id: <comp.lang.ada>


The clever minimal hello world from tmoran:

procedure hello is
  world:exception;
begin
  raise world;
end hello;
produces hello.com of 5328 bytes and when run gives:
** Unhandled User Exception - HELLO.WORLD
On Line Number 4 In HELLO
I realize that's cheating - but adding Text_IO unsurprisingly added
to the executable size.  And real programs under Windows, as Robert
Dewar suggests, results in executables, both C and Ada, noticeably
larger than 5K. #.#




generates an executable of 20K under OS/2, of course it would be smaller
if DLL's were used for the library. The difference of 20K to 5K is
partly a matter of EXE files under OS/2 being larger than COM files
under DOS, and partly a matter of exception semantics being qute a bit richer
in Ada 95 than Ada 83.