musl - Getting access to section data during dynlink.c

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Message-ID: <CAH4OOv7KPBnzqfG0wo-3T1w7HxiO14KtDkTWHQ-M12fhnVRoQw@mail.gmail.com>
Date: Sun, 15 Oct 2023 18:06:48 -0700
From: Farid Zakaria <fmzakari@...c.edu>
To: musl@...ts.openwall.com
Subject: Getting access to section data during dynlink.c

Hi!

I'd like to read some section data during dynlink.c
Does anyone have any good suggestions on the best way to do so?
I believe most ELF files ask for the load to start from the start of the
ELF file.

I see in dynlink.c the kernel sends AT_PHDR as an auxiliary vector --
Should I try applying a fixed offset from it to get to the start of the
ehdr ?

Any advice is appreciated.

Please include me in the CC for the reply.
I can't recall if I've subscribed.

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