linux-kernel - Re: [PATCH v2] tools/nolibc: add support for constructors and destructors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20231007103659.GC23812@1wt.eu>
Date:   Sat, 7 Oct 2023 12:36:59 +0200
From:   Willy Tarreau <w@....eu>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v2] tools/nolibc: add support for constructors and
 destructors

On Sat, Oct 07, 2023 at 12:01:39PM +0200, Thomas Weißschuh wrote:
> With the startup code moved to C, implementing support for
> constructors and deconstructors is fairly easy to implement.
> 
> Examples for code size impact:
> 
>    text	   data	    bss	    dec	    hex	filename
>   21837	    104	     88	  22029	   560d	nolibc-test.before
>   22135	    120	     88	  22343	   5747	nolibc-test.after
>   21970	    104	     88	  22162	   5692 nolibc-test.after-only-crt.h-changes
> 
> The sections are defined by [0].
> 
> [0] https://refspecs.linuxfoundation.org/elf/gabi4+/ch5.dynamic.html
> 
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>

Acked-by: Willy Tarreau <w@....eu>

Thanks!
Willy