linux-kernel - Re: [PATCH 2/2] x86/boot/compressed: Remove unnecessary sections from bzImage

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Message-ID: <20200222074254.GB11284@zn.tnic>
Date:   Sat, 22 Feb 2020 08:42:54 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Fangrui Song <maskray@...gle.com>
Cc:     Nathan Chancellor <natechancellor@...il.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com,
        Michael Matz <matz@...e.de>
Subject: Re: [PATCH 2/2] x86/boot/compressed: Remove unnecessary sections
 from bzImage

On Fri, Feb 21, 2020 at 11:21:44PM -0800, Fangrui Song wrote:
> In GNU ld, it seems that .shstrtab .symtab and .strtab are special
> cased. Neither the input section description *(.shstrtab) nor *(*)
> discards .shstrtab . I feel that this is a weird case (probably even a bug)
> that lld should not implement.

Ok, forget what the tools do for a second: why is .shstrtab special and
why would one want to keep it?

Because one still wants to know what the section names of an object are
or other tools need it or why?

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette