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Subject: Re: Why are the base addresses for Cygwin executable so high?
To: "cygwin@cygwin.com" <cygwin@cygwin.com>
References: <D233DDCF-E872-4C9F-A0E1-A85124B58F5D@me.com>
From: Marco Atzeri <marco.atzeri@gmail.com>
Message-ID: <5f6b5ea8-0d50-59ee-25a8-397c23cd0f67@gmail.com>
Date: Sun, 31 Jul 2016 21:57:00 +0200
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On 31/07/2016 20:37, Hamza Sood wrote:
> Hi,
>
> I've noticed that Cygwin related executables (including ones compiled myself) seem to have a base address of 0x100400000, whereas all other windows executables seem to use 0x400000.
> Is there a particular reason why Cygwin executables need to start so high up? What's going on in the 4GB underneath them?
> --


look on
/proc/<pid>/maps

below 0x100000000 there are
- windows system dll's
- heaps and stacks

Regards
Marco


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