From: Georg Bauhaus <rm.tsoh+bauhaus@maps.futureapps.de>
Subject: Re: ada compiler?
Date: Thu, 15 Nov 2007 10:59:48 +0100
Date: 2007-11-15T10:59:54+01:00 [thread overview]
Message-ID: <473c189a$0$4360$9b4e6d93@newsspool4.arcor-online.net> (raw)
In-Reply-To: <87zlxg36hx.fsf@ludovic-brenta.org>
Ludovic Brenta wrote:
> Georg Bauhaus writes:
>> Heap overflow seems entirely unrelated at first sight, but in
>> two ways it needs to be considered here, I think.
>>
>> First, the -fstack-check warning suggests, in a sense, to use allocators
>> and pointers instead of direct objects. When a programmer interprets
>> the warning this way and starts using pointers, -f[no]-stack-check
>> is likely to affect the structure of his/her Ada program.
>
> No, I don't think -fstack-check suggests changing the program in any
> way.
(I thought that the *warning* might suggest that. Like so:
Ehr, not reliable when stack checking is turned on and the
local array is not trivially small? Uhm, o.K., o.K., then
I will use an allocator instead. After all, Ada culture
asks you to be serious about compiler warnings.)
Anyway, some hints in here:
http://gcc.gnu.org/ml/gcc-patches/2006-11/msg01846.html
Perhaps -fstack-check warning is temporary and platform dependent;
can affect interfacing to C programs; introduces surprises when
moving to another platform; makes Ada reputation--to not
generate SEGV but an exception and such--depend on knowing the
switches; ...
My vote would be cast for at least the effect of -gnato in Debian GNAT.
Maybe the gnat installation script can display a warning box
brining this to Debian Ada users' attention.
Big thanks for bringing this up!
next prev parent reply other threads:[~2007-11-15 9:59 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-09 22:25 ada compiler? Bill Cunningham
2007-11-09 22:39 ` anon
2007-11-09 22:59 ` Bill Cunningham
2007-11-09 23:28 ` anon
2007-11-09 23:50 ` Jeffrey R. Carter
2007-11-10 0:32 ` anon
2007-11-10 4:15 ` Jeffrey Creem
2007-11-10 5:08 ` tmoran
2007-11-10 6:12 ` anon
2007-11-10 8:35 ` tmoran
2007-11-10 20:20 ` anon
2007-11-10 22:15 ` Jeffrey Creem
2007-11-11 1:01 ` anon
2007-11-11 1:14 ` (see below)
2007-11-11 2:21 ` Georg Bauhaus
2007-11-11 4:08 ` Jeffrey R. Carter
2007-11-13 13:24 ` Ludovic Brenta
2007-11-14 7:00 ` Jacob Sparre Andersen
2007-11-14 9:15 ` Georg Bauhaus
2007-11-14 10:26 ` Ludovic Brenta
2007-11-14 12:25 ` Georg Bauhaus
2007-11-14 15:09 ` Ludovic Brenta
2007-11-14 16:03 ` Georg Bauhaus
2007-11-14 16:36 ` Ludovic Brenta
2007-11-14 17:39 ` Georg Bauhaus
2007-11-14 20:40 ` Ludovic Brenta
2007-11-15 9:59 ` Georg Bauhaus [this message]
2007-11-14 17:52 ` Georg Bauhaus
2007-11-16 1:07 ` Samuel Tardieu
2007-11-16 1:58 ` tmoran
2007-11-16 9:41 ` Stack checking in GNAT (was: ada compiler?) Ludovic Brenta
2007-11-16 10:56 ` Stack checking in GNAT Samuel Tardieu
2007-11-16 13:04 ` Ludovic Brenta
2007-11-17 7:24 ` anon
2007-11-29 0:32 ` Robert A Duff
2007-11-17 1:37 ` ada compiler? Randy Brukardt
2007-11-17 1:18 ` Randy Brukardt
2007-11-29 0:41 ` Robert A Duff
2007-11-14 21:31 ` Niklas Holsti
2007-11-17 1:50 ` Randy Brukardt
2007-11-14 18:33 ` anon
2007-11-12 5:13 ` anon
2007-11-11 14:15 ` Jeffrey Creem
2007-11-13 7:11 ` Martin Krischik
2007-11-13 8:47 ` anon
2007-11-13 9:34 ` to gnat make or not to gnat make (Was: ada compiler?) Martin Krischik
2007-11-13 22:46 ` anon
2007-11-13 23:14 ` to gnat make or not to gnat make Simon Wright
2007-11-14 9:21 ` to gnat make or not to gnat make (Was: ada compiler?) Georg Bauhaus
2007-11-13 22:41 ` ada compiler? Simon Wright
2007-11-17 2:07 ` Randy Brukardt
2007-11-17 7:51 ` anon
2007-11-17 9:00 ` Pascal Obry
2007-11-17 12:24 ` Ludovic Brenta
2007-11-19 21:35 ` Randy Brukardt
2007-11-10 15:03 ` (see below)
2007-11-12 16:38 ` Adam Beneschan
2007-11-13 3:16 ` John W. Kennedy
2007-11-13 16:46 ` Adam Beneschan
2007-11-10 3:07 ` Georg Bauhaus
2007-11-13 0:20 ` adaworks
2007-11-13 22:27 ` Simon Wright
2007-11-14 17:32 ` Britt Snodgrass
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