linux-kernel - Re: [ANNOUNCE] pahole and other DWARF2 utilities

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

Date:	Mon, 30 Oct 2006 20:33:34 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Arnaldo Carvalho de Melo <acme@...driva.com>
Cc:	linux-kernel@...r.kernel.org, lwn@....net
Subject: Re: [ANNOUNCE] pahole and other DWARF2 utilities

On Mon, 30 Oct 2006 18:33:19 -0300
Arnaldo Carvalho de Melo <acme@...driva.com> wrote:

> Hi,
> 
> 	I've been working on some DWARF2 utilities and thought that it
> is about time I announce it to the community, so that what is already
> available can be used by people interested in reducing structure sizes
> and otherwise taking advantage of the information available in the elf
> sections of files compiled with 'gcc -g' or in the case of the kernel
> with CONFIG_DEBUG_INFO enabled, so here it goes the description of said
> tools:
> 
> pahole: Poke-a-Hole is a tool to find out holes in structures, holes
> being defined as the space between members of functions due to alignemnt
> rules that could be used for new struct entries or to reorganize
> existing structures to reduce its size, without more ado lets see what
> that means:
> 
> ...
>
> 	Further ideas on how to use the DWARF2 information include tools
> that will show where inlines are being used, how much code is added by
> inline functions,

It would be quite useful to be able to identify inlined functions which are
good candidates for uninlining.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/