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From: john.mccabe@emrad.ns.com (John McCabe)
Subject: Re: AdaMULTI/Ada 95 for Bare Board
Date: Tue, 05 Mar 2002 09:32:26 GMT
Date: 2002-03-05T09:32:26+00:00	[thread overview]
Message-ID: <3c848ff6.2022217@news.demon.co.uk> (raw)
In-Reply-To: 4519e058.0203041216.398c3e2@posting.google.com

On 4 Mar 2002 12:16:20 -0800, dennison@telepath.com (Ted Dennison)
wrote:

>john.mccabe@emrad.ns.com (John McCabe) wrote in message news:<3c83596e.9029553@news.demon.co.uk>...
>> Watch out for allocation of huge stack areas for aggregate assignments
>> to arrays...
>>     My_Large_Array = (others => 0, others => 0, others => 0);
>> 
>> will attempt to allocate a 4MByte or so block of stack to create an
>> aggregate before copying it to the global variable (My_Large_Array).
>> Green Hills claim it is *required* by the RM, but certain people who
>> were involved in writing the manual disagree!
>
>(assuming you meant ":=")

Of course!! :-) (I don't use Ada very often now so mistakes like this
are quite likely to happen!)

>I believe this would be required in certian situations if the source
>for the data came from overlapping parts of the same object.

True, it may be necessary in some cases, but in this particular case
this was not the case :-}

>Perhaps
>the answer you got was vendor shorthand for "there are some situations
>where this would be required, and we don't want to do the work
>required to recognise those situations and do something different."
>:-)

No - the answer was "according to RMxxxx (can't remember the exact
reference) we are required to do that!".




  reply	other threads:[~2002-03-05  9:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <3C7CF687.15D36BBE@avionics.saab.se>
2002-03-04 11:13 ` AdaMULTI/Ada 95 for Bare Board Alfred Hilscher
2002-03-04 11:28   ` John McCabe
2002-03-04 15:12     ` Martin Dowie
2002-03-04 20:16     ` Ted Dennison
2002-03-05  9:32       ` John McCabe [this message]
2002-03-05 13:27     ` Jim Gleason
2002-03-05 14:22       ` John McCabe
2002-03-05 15:42         ` John McCabe
2002-03-06 13:26         ` John McCabe
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