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Re: How create small binaries with GNU binutils.


From: Dmitry Bogatov
Subject: Re: How create small binaries with GNU binutils.
Date: Sun, 03 Feb 2019 12:58:14 +0000

[2019-02-01 17:49] Andreas Schwab <address@hidden>
> On Feb 01 2019, Dmitry Bogatov <address@hidden> wrote:
>
> > results in huge binary:
> >
> >     $ du -hb a.out
> >     4744    a.out
> >     $ strip -s a.out
> >     $ du -hb a.out
> >     4408    a.out
> >     $ file a.out
> >     a.out: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically 
> > linked, stripped
>
> I cannot reproduce that.
>
> $ stat -c %s a.out
> 664
> $ strip a.out
> $ stat -c %s a.out
> 344
> $ size a.out 
>    text    data     bss     dec     hex filename
>      13       0       0      13       d a.out
> $ rpm -q binutils
> binutils-2.31.90-lp150.5.68.1.x86_64

Interesting. I tried bintuils, packaged by Nix, and resulted (after
strip -s) exactly 400 bytes. I will report debian packaging.

Still, even this way, 400 bytes is more then twice as big, compared to
fasm. Any suggestions, how to shrink binary futher?
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