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From: john.mccabe@emrad.ns.com (John McCabe)
Newsgroups: comp.realtime,comp.lang.ada
Subject: Re: AdaMULTI/Ada 95 for Bare Board
Date: Mon, 04 Mar 2002 11:28:26 GMT
Organization: Emrad Ltd
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On Mon, 04 Mar 2002 12:13:41 +0100, Alfred Hilscher
<Alfred.Hilscher@icn.siemens.de> wrote:

>> We are about to start using Green Hills AdaMULTI/Ada 95 for Bare Board
>> (PowerPC). Having used ApexAda before with mixed results we are hoping
>> for an improvement. Does anybody have experience with AdaMULTI/Ada 95
>> for Bare Board to share?

Watch out for allocation of huge stack areas for aggregate assignments
to arrays...

e.g.:

type Large_Array is array (1..100, 1..10, 1..1000) of integer;
My_Large_Array : Large_Array;

procedure Initialise
begin
    My_Large_Array = (others => 0, others => 0, others => 0);
end Initialise;


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!