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From: Szabolcs Nagy <szabolcs.nagy@arm.com>
To: <libc-alpha@sourceware.org>
Subject: Re: [PATCH v6 0/4] Args adjustment with ./ld.so exe [BZ #23293]
Date: Fri, 6 May 2022 11:07:16 +0100	[thread overview]
Message-ID: <YnTzVEVs0koMnQ+t@arm.com> (raw)
In-Reply-To: <cover.1651757640.git.szabolcs.nagy@arm.com>

The 05/05/2022 14:58, Szabolcs Nagy via Libc-alpha wrote:
> The Hurd ld.so start code had to be adjusted. This revealed that
> the fix actually cuts across abstraction layers: fiddles with
> ELF entry stack layout in generic code, skipping the intermediate
> OS sysdep layer. If the OS layer ever wants to do something more
> complicated with the args then the interface contract with dl_main
> will have to be reevaluated.

or i can avoid touching hurd code if the arg adjustment
is moved to linux dl-sysdep.c

then _dl_skip_args is kept on hurd (hurd can separately
fix that in its dl-sysdeps.c), so all targets can remove
it other than x86.

      parent reply	other threads:[~2022-05-06 10:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-05 13:58 Szabolcs Nagy
2022-05-05 13:58 ` [PATCH v6 1/4] rtld: Use generic argv adjustment in ld.so " Szabolcs Nagy
2022-05-13 19:56   ` Adhemerval Zanella
2022-05-17  9:27     ` Szabolcs Nagy
2022-05-05 13:58 ` [PATCH v6 2/4] rtld: Remove DL_ARGV_NOT_RELRO and make _dl_skip_args const Szabolcs Nagy
2022-05-13 20:14   ` Adhemerval Zanella
2022-05-05 13:59 ` [PATCH v6 3/4] linux: Add a getauxval test [BZ #23293] Szabolcs Nagy
2022-05-13 20:21   ` Adhemerval Zanella
2022-05-05 13:59 ` [PATCH v6 4/4] aarch64: Move ld.so _start to separate file and drop _dl_skip_args Szabolcs Nagy
2022-05-13 20:46   ` Adhemerval Zanella
2022-05-06 10:07 ` Szabolcs Nagy [this message]

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