From: "Tarjei T. Jensen" <tarjei.jensen@kvaerner.com>
Subject: Re: Ada Core Technologies announces GNATCOM
Date: 2000/04/12
Date: 2000-04-12T00:00:00+00:00 [thread overview]
Message-ID: <8d1paa$n0n4@ftp.kvaerner.com> (raw)
In-Reply-To: 8d0ru2$arc$1@nnrp1.deja.com
Robert Dewar wrote
>Fix the RM! The RM is plain wrong, just due to misunderstanding
>of C. It is obvious that a record passed as an IN parameter
>should map to a C struct passed as a value parameter.
>
>But it's too late now for that (that was our initial solution
>in GNAT, and perhaps we should have stuck with it).
>
>The worst feature of C_Pass_By_Copy is the form with a byte
>count giving the cutoff.
It is not neccessarily all bad. I would not be surprised if there exists a C
compilers which would pass a struct as value if it is smaller than 4 or 8 bytes
and pass them by reference if they are bigger. I seem to remember having read
about such a convention.
Greetings,
next prev parent reply other threads:[~2000-04-12 0:00 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-04-07 0:00 Ada Core Technologies announces GNATCOM Robert Dewar
2000-04-07 0:00 ` Vladimir Olensky
2000-04-08 0:00 ` Robert Dewar
2000-04-07 0:00 ` Ted Dennison
2000-04-08 0:00 ` tmoran
2000-04-08 0:00 ` Robert Dewar
2000-04-09 0:00 ` tmoran
2000-04-12 0:00 ` Robert Dewar
2000-04-12 0:00 ` Tarjei T. Jensen [this message]
2000-04-12 0:00 ` David Botton
2000-04-12 0:00 ` Robert Dewar
2000-04-12 0:00 ` DuckE
2000-04-13 0:00 ` Robert Dewar
2000-04-12 0:00 ` David Botton
2000-04-12 0:00 ` Hyman Rosen
2000-04-12 0:00 ` David Botton
2000-04-13 0:00 ` Robert Dewar
2000-04-14 0:00 ` Geoff Bull
2000-04-14 0:00 ` dale
2000-04-13 0:00 ` Tarjei T. Jensen
2000-04-13 0:00 ` Robert Dewar
2000-04-12 0:00 ` Robert Dewar
2000-04-12 0:00 ` Robert A Duff
2000-04-13 0:00 ` Robert Dewar
2000-04-13 0:00 ` Robert A Duff
2000-04-15 0:00 ` Robert Dewar
2000-04-12 0:00 ` C_Pass_By_Value, was " tmoran
2000-04-09 0:00 ` tmoran
2000-04-09 0:00 ` Larry Kilgallen
2000-04-09 0:00 ` Marin D. Condic
2000-04-09 0:00 ` Brian Rogoff
2000-04-09 0:00 ` David Starner
2000-04-10 0:00 ` Gisle S�lensminde
2000-04-10 0:00 ` Hyman Rosen
2000-04-11 0:00 ` Gisle S�lensminde
2000-04-11 0:00 ` Hyman Rosen
2000-04-10 0:00 ` Marin D. Condic
2000-04-09 0:00 ` Robert Dewar
2000-04-09 0:00 ` tmoran
2000-04-09 0:00 ` Robert Dewar
2000-04-11 0:00 ` Tucker Taft
2000-04-09 0:00 ` Robert Dewar
2000-04-08 0:00 ` David Botton
2000-04-08 0:00 ` Tom Hargraves
2000-04-08 0:00 ` David
2000-04-08 0:00 ` Robert Dewar
2000-04-08 0:00 ` David Starner
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