Chen wrote:
Hi Mark,
Sorry for the late reply
On Wed, Mar 19, 2025 at 8:55 PM Mark Wielaard wrote:
Hi Hengqi,
On Tue, 2025-03-11 at 13:27 +0800, Hengqi Chen wrote:
I want to ask you a question regarding elf internals.
How to calculate a symbol's file offset (which is kernel uprobe expects)
Hi Mark,
Sorry for the late reply
On Wed, Mar 19, 2025 at 8:55 PM Mark Wielaard wrote:
>
> Hi Hengqi,
>
> On Tue, 2025-03-11 at 13:27 +0800, Hengqi Chen wrote:
> > I want to ask you a question regarding elf internals.
> > How to calculate a symbol's file offset (w
Hi Hengqi,
On Tue, 2025-03-11 at 13:27 +0800, Hengqi Chen wrote:
> I want to ask you a question regarding elf internals.
> How to calculate a symbol's file offset (which is kernel uprobe expects)
> in an elf (executable or shared object)?
Could you point me to a description
Hi Mark,
I want to ask you a question regarding elf internals.
How to calculate a symbol's file offset (which is kernel uprobe expects)
in an elf (executable or shared object)?
Some real world use case use either section header like libbpf:
https://github.com/libbpf/libbpf
On Fri, 2021-04-30 at 13:06 -0400, Frank Ch. Eigler via Elfutils-devel wrote:
> AIUI, the informal answer is: you choose. You don't have to make a
> statement about what you're doing. Sometimes people communicate it by
> removing one or the other license permission in a derived work. Or if
> e.g
Hi -
> Hi, my name is John V. and I am seeking to use libelf.
Welcome.
> I notice from the Elfutils web page at sourceware.org/elfutils under
> the section entitled “License” that “The libraries and backends are
> dual GPLv2+/LGPLv3+.”
Yes.
> Does this mean that I can pick and choose to use li
Hi, my name is John V. and I am seeking to use libelf.
I notice from the Elfutils web page at sourceware.org/elfutils under the
section entitled “License” that “The libraries and backends are dual
GPLv2+/LGPLv3+.”
Does this mean that I can pick and choose to use libelf under either the GPLv2+
On Wed, Oct 28, 2020 at 11:05:58AM +0100, Mark Wielaard wrote:
> Hi Rich,
>
> On Tue, 2020-10-27 at 18:25 -0400, Rich Felker wrote:
> > On Tue, Oct 27, 2020 at 11:19:11PM +0100, Mark Wielaard wrote:
> > > On Tue, Oct 27, 2020 at 01:08:17PM -0400, Rich Felker wrote:
> > > > They do because they're
Hi Rich,
On Tue, 2020-10-27 at 18:25 -0400, Rich Felker wrote:
> On Tue, Oct 27, 2020 at 11:19:11PM +0100, Mark Wielaard wrote:
> > On Tue, Oct 27, 2020 at 01:08:17PM -0400, Rich Felker wrote:
> > > They do because they're also in space, unless you want
> > > exponential-time which is huge even on
On Tue, Oct 27, 2020 at 11:19:11PM +0100, Mark Wielaard wrote:
> Hi Rich,
>
> On Tue, Oct 27, 2020 at 01:08:17PM -0400, Rich Felker wrote:
> > On Tue, Oct 27, 2020 at 04:04:44PM +0100, Mark Wielaard wrote:
> > > Right, it is also adopted by zsh and some other shells. The big-O
> > > properties don
Hi Rich,
On Tue, Oct 27, 2020 at 01:08:17PM -0400, Rich Felker wrote:
> On Tue, Oct 27, 2020 at 04:04:44PM +0100, Mark Wielaard wrote:
> > Right, it is also adopted by zsh and some other shells. The big-O
> > properties don't really matter in this case because fnmatch is used on
> > small input st
On Tue, Oct 27, 2020 at 04:04:44PM +0100, Mark Wielaard wrote:
> On Tue, 2020-10-27 at 10:19 +0100, Florian Weimer via Elfutils-devel
> wrote:
> > * Rich Felker:
> >
> > > As I stated in my other reply, I'm opposed to that because it does not
> > > admit implementation with the same (very desirabl
On Tue, 2020-10-27 at 10:19 +0100, Florian Weimer via Elfutils-devel
wrote:
> * Rich Felker:
>
> > As I stated in my other reply, I'm opposed to that because it does not
> > admit implementation with the same (very desirable) big-O properties,
> > and the "extmatch" syntax is not widely known or w
* Rich Felker:
> As I stated in my other reply, I'm opposed to that because it does not
> admit implementation with the same (very desirable) big-O properties,
> and the "extmatch" syntax is not widely known or widely used.
The syntax comes from ksh and is used in shell scripts. (bash requires
t
On Mon, Oct 26, 2020 at 11:32:23PM +0100, Mark Wielaard wrote:
> Hi Max,
>
> On Mon, 2020-10-26 at 13:54 -0400, Max Rees via Elfutils-devel wrote:
> > On Mon Oct 26 01:28 PM, Érico Nogueira wrote:
> > > On Mon Oct 26, 2020 at 3:10 PM -03, Mark Wielaard wrote:
> > > > On Mon, 2020-10-26 at 12:03 -0
Hi Max,
On Mon, 2020-10-26 at 13:54 -0400, Max Rees via Elfutils-devel wrote:
> On Mon Oct 26 01:28 PM, Érico Nogueira wrote:
> > On Mon Oct 26, 2020 at 3:10 PM -03, Mark Wielaard wrote:
> > > On Mon, 2020-10-26 at 12:03 -0300, Érico Nogueira via Elfutils-
> > > devel
> > > wrote:
> > > > Do elfut
On Mon, Oct 26, 2020 at 02:28:59PM -0300, Érico Nogueira wrote:
> On Mon Oct 26, 2020 at 3:10 PM -03, Mark Wielaard wrote:
> > Hi Érico,
> >
> > On Mon, 2020-10-26 at 12:03 -0300, Érico Nogueira via Elfutils-devel
> > wrote:
> > > Do elfutils program actually depend on the extra functionality
> > >
On Mon Oct 26 01:28 PM, Érico Nogueira wrote:
> On Mon Oct 26, 2020 at 3:10 PM -03, Mark Wielaard wrote:
> > Hi Érico,
> >
> > On Mon, 2020-10-26 at 12:03 -0300, Érico Nogueira via Elfutils-devel
> > wrote:
> > > Do elfutils program actually depend on the extra functionality
> > > enabled by
> > >
On Mon Oct 26, 2020 at 3:10 PM -03, Mark Wielaard wrote:
> Hi Érico,
>
> On Mon, 2020-10-26 at 12:03 -0300, Érico Nogueira via Elfutils-devel
> wrote:
> > Do elfutils program actually depend on the extra functionality
> > enabled by
> > FNM_EXTMATCH? Is changing the flag to have no effect a "bug"?
Hi Érico,
On Mon, 2020-10-26 at 12:03 -0300, Érico Nogueira via Elfutils-devel
wrote:
> Do elfutils program actually depend on the extra functionality
> enabled by
> FNM_EXTMATCH? Is changing the flag to have no effect a "bug"?
Yes. The extended wildcard pattern is relied upon by both
eu-strip wi
From: Érico Rolim
Hi!
Musl currently doesn't support the FNM_EXTMATCH extension to fnmatch(),
leading most musl-based distros to patch the elfutils build to define
FNM_EXTMATCH to 0.
Do elfutils program actually depend on the extra functionality enabled by
FNM_EXTMATCH? Is changing the flag to
Hello Mark,
thanks a billion for you answer! You gave me a very good starting point!
Kindly,
Anastasios
> On 19 Jun 2020, at 21:15, Mark Wielaard wrote:
>
> Hi,
>
> On Thu, 2020-06-11 at 15:25 +0100, Anastasios Andronidis via Elfutils-
> devel wrote:
>> Could someone please help me with this
Hi,
On Thu, 2020-06-11 at 15:25 +0100, Anastasios Andronidis via Elfutils-
devel wrote:
> Could someone please help me with this:
> https://stackoverflow.com/questions/62293512/inject-a-preinit-array-section-in-an-elf-file-with-libelf
>
> I'm trying to do some runtime manipulation of an elf fil
Hello everyone!
Could someone please help me with this:
https://stackoverflow.com/questions/62293512/inject-a-preinit-array-section-in-an-elf-file-with-libelf
I'm trying to do some runtime manipulation of an elf file and I'm a little bit
lost with how to use libelf :/
Basically I want to copy
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