From: Tom Kacvinsky <tkacvins@gmail.com>
To: Jacob Kroon <jacob.kroon@gmail.com>
Cc: gcc-help <gcc-help@gcc.gnu.org>
Subject: Re: Reserving specified size of RUNPATH entry in the dynamic section during linking
Date: Sat, 27 Nov 2021 17:27:35 -0500 [thread overview]
Message-ID: <CAG_eJLcojgwRaWK4PzXNYy8RXT+pczffjynTdCKWx5WdU-+WNA@mail.gmail.com> (raw)
In-Reply-To: <09012276-6b9c-18a1-2e28-e4b7a42e6e22@gmail.com>
On Sat, Nov 27, 2021 at 5:05 PM Jacob Kroon via Gcc-help <
gcc-help@gcc.gnu.org> wrote:
> Hi,
>
> As part of an effort to make binaries reproducible regardless of their
> build path, I need to enforce the same size of the RUNPATH entry in the
> dynamic section during linking, even though I don't fill it completely.
> Is it possible to give some flag to gnu ld that allows me to set it to a
> specific size ? Or is there a way to patch the elf file after linking,
> so that the entry has a specified size ?
>
This tool doesn't quite do what you'd like (set a fixed size for the
RUNPATH entry in the dynamic table), but I have found it quite
useful:
https://github.com/NixOS/patchelf
Tom
next prev parent reply other threads:[~2021-11-27 22:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-27 22:05 Jacob Kroon
2021-11-27 22:27 ` Tom Kacvinsky [this message]
2021-11-28 14:24 ` Jacob Kroon
2021-11-28 11:44 ` Florian Weimer
2021-11-28 14:31 ` Jacob Kroon
2021-11-28 15:09 ` Dan Kegel
2021-11-28 15:17 ` Florian Weimer
2021-11-28 15:54 ` Jacob Kroon
2021-11-28 17:06 ` Florian Weimer
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