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Re: Check for -z,now in binary?

From: Jeffrey Walton <noloader at gmail dot com>
To: Mike Frysinger <vapier at gentoo dot org>
Cc: binutils at sourceware dot org
Date: Sat, 31 Mar 2012 16:09:06 -0400
Subject: Re: Check for -z,now in binary?
References: <CAH8yC8kuxQ+OQSfqRkdZ7dO3vBwEWyujTrKz8LTb5NY6OxQerg@mail.gmail.com> <201203311557.42027.vapier@gentoo.org>
Reply-to: noloader at gmail dot com

On Sat, Mar 31, 2012 at 3:57 PM, Mike Frysinger <vapier@gentoo.org> wrote:
> On Saturday 31 March 2012 15:43:00 Jeffrey Walton wrote:
>> Are there any checks available to verify the linker option -z,now
>> which is used to remediate Procedure Linkage Table (PLT)
>> attacks? Nothing is jumping out at me with `readelf -l`.
>
> look for DT_BIND_NOW in the ELF's dynamic tags
>
> (readelf -d)
Thank you very much.

References:
- Check for -z,now in binary?
  - From: Jeffrey Walton
- Re: Check for -z,now in binary?
  - From: Mike Frysinger

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