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From: Niyas Sait <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Julien Rouhaud <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: [PATCH] Add native windows on arm64 support
Date: Mon, 9 May 2022 12:44:22 +0100
Message-ID: <CAFPTBD-+YT0wZTh_KJHK+G_DfA9+Y6FrkACkCFz8d4+BZjacuQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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> Thanks for doing that!  Your post is just a couple of days old, let's
> see if we get a reply on that.

Microsoft updated documentation [1] and clarified that ASLR cannot be
disabled for Arm64 targets.

Because ASLR can't be disabled on ARM, ARM64, or ARM64EC architectures,
> /DYNAMICBASE:NO isn't supported for these targets.


Thanks
Niyas

[1]
https://docs.microsoft.com/en-us/cpp/build/reference/dynamicbase?view=msvc-170


On Mon, 25 Apr 2022 at 02:17, Michael Paquier <[email protected]> wrote:

> On Thu, Apr 21, 2022 at 10:21:04AM +0100, Niyas Sait wrote:
> > The following error occurs:
> >
> > LINK : fatal error LNK1246: '/DYNAMICBASE:NO' not compatible with 'ARM64'
> > target machine; link without '/DYNAMICBASE:NO
>
> Okay, that's interesting.  In light of things like 7f3e17b, that may
> be annoying.  Perhaps newer Windows versions are able to handle that
> better.  I am wondering if it would be worth re-evaluating this
> change, and attempt to re-enable that in environments other than
> arm64.  This could become interesting if we consider that there have
> been talks to cut the support for a bunch of Windows versions to focus
> on the newer ones only.
>
> > This seems to be a deliberate restriction for Arm64 targets. However, no
> > references were provided. To clarify, I have posted a question [1] on the
> > community channel of Visual Studio.
>
> Thanks for doing that!  Your post is just a couple of days old, let's
> see if we get a reply on that.
> --
> Michael
>


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