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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Storage_Size in a Simple Program
Date: Wed, 31 Oct 2018 15:45:06 -0500
Organization: JSA Research & Innovation
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Xref: reader02.eternal-september.org comp.lang.ada:54734
Date: 2018-10-31T15:45:06-05:00
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"Niklas Holsti" <niklas.holsti@tidorum.invalid> wrote in message 
news:g3rprtFfc9dU1@mid.individual.net...
> On 18-10-29 22:58 , Randy Brukardt wrote:
>> <joakimds@kth.se> wrote in message
>> news:2635fb12-5836-4713-998d-e8179b801500@googlegroups.com...
>>>> Since the main program's stack limit is determined by the OS, I don't
>>>> see how an Ada aspect/pragma can affect it.
>> ...
>>> On Windows it may be possible to specify the size of stack at link time.
>>> Consider for example the Windows linker that has a flag /Stack to be 
>>> able
>>> to set the size of the stack in bytes:
>>> https://msdn.microsoft.com/en-us/library/y0zzbyt4.aspx
>>
>> That's the only way I know for Windows. Janus/Ada has a binder option 
>> that
>> sets the stack size in the generated .OBJ file, and the Windows linker 
>> then
>> puts that in the executable. I believe that GNAT has something similar on
>> Windows (haven't had to try that to date).
>
> That sounds as if the environment stack size _could_ theoretically be 
> specified in the Ada source, for the Janus/Ada compiler to export to the 
> Janus/Ada binder, which would then set it in the .OBJ for the Windws 
> linker. Still we would need a standard way (a pragma or aspect, no doubt) 
> to specify the size in the Ada source. That way is currently missing, 
> AFAIK.

Yup. Sounds like a reasonable enhancement request (too late for Ada 2020, 
unfortunately, but possibly in a future Corrigendum or revision). I suggest 
sending it and a use-case to Ada-Comment.

                       Randy.