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From: Phil <phil-usenet@green-pike.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: GNAT compiler versions and addr2line
Date: Thu, 23 Aug 2018 17:50:10 -0000 (UTC)
Organization: Green Pike Ltd
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Date: 2018-08-23T17:50:10+00:00
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Brian Drummond <brian@shapes.demon.co.uk> wrote:
> Basically Debian changed its policy (possibly for security reasons) 
> regarding Address Space Randomisation and position-independent 
> executables - not sure exactly what, perhaps they turned on PIE by 
> default, to allow address space randomisation. I've seen all those 5555s 
> in addresses so treated... (not so random, then?)

> Anyway, apparently addr2line doesn't work so well with random addresses...

> My "solution" is to suppress PIE, at least while debugging.

Adding -no-pie (gnatmake ... -largs -no-pie) means that addr2line works.
I'll have to look into the side-effects another time.

*Thank you*.

Phil.