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From: preece@uicsl.UUCP
Newsgroups: net.lang
Subject: Re: Self-modifying code - (nf)
Message-ID: <4858@uiucdcs.UUCP>
Date: Tue, 10-Jan-84 22:37:16 EST
Article-I.D.: uiucdcs.4858
Posted: Tue Jan 10 22:37:16 1984
Date-Received: Sun, 15-Jan-84 00:50:08 EST
Lines: 15

#R:fortune:-215700:uicsl:6200005:000:559
uicsl!preece    Jan 10 12:03:00 1984

The SAIL execution profiler used a set of macros to replace the begin and
end 'statements' with calls to the timer/counter routine.  It was a
pain to use, though, since all the begins and ends had to be changed
to begintims and endtims and the routine names inserted in them so that
the profiler could give names to them.

On the other hand, it involved no manipulation of the object code and
could be turned off by simply replacing the macro package with another
that simply turned begintim into begin, and so forth.

scott preece
ihnp4!uiucdcs!uicsl!preece