From: Heiko Carstens <hca@linux.ibm.com>
To: Fangrui Song <maskray@google.com>
Cc: Nathan Chancellor <nathan@kernel.org>,
gor@linux.ibm.com, agordeev@linux.ibm.com,
borntraeger@linux.ibm.com, svens@linux.ibm.com,
ndesaulniers@google.com, linux-s390@vger.kernel.org,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
patches@lists.linux.dev
Subject: Re: [PATCH 03/11] s390: vmlinux.lds.S: Explicitly handle '.got' and '.plt' sections
Date: Wed, 14 Feb 2024 13:20:55 +0100 [thread overview]
Message-ID: <20240214122055.6438-D-hca@linux.ibm.com> (raw)
In-Reply-To: <CAFP8O3KHsjCWowDTBxOq7GQ3bdsA2tAMO5Y4YfKR374Dz_Z54g@mail.gmail.com>
On Mon, Feb 12, 2024 at 09:31:53PM -0800, Fangrui Song wrote:
> On Wed, Feb 7, 2024 at 4:15 PM Nathan Chancellor <nathan@kernel.org> wrote:
> > + ASSERT(SIZEOF(.got.plt) == 0, "Unexpected GOT/PLT entries detected!")
> > + .plt : {
> > + *(.plt)
> > + *(.plt.*)
> > + *(.iplt)
> > + *(.igot .igot.plt)
> > + }
> > + ASSERT(SIZEOF(.plt) == 0, "Unexpected run-time procedure linkages detected!")
> > +
>
> It seems that arches that drop .plt typically place input section
> description on one line. This saves vertical space.
> It's shorter to use one input section description to match multiple
> sections, e.g.
>
> *(.plt .iplt)
Yes, I'll change Nathan's patch so it looks like arm64:
/*
* Sections that should stay zero sized, which is safer to
* explicitly check instead of blindly discarding.
*/
.plt : {
*(.plt) *(.plt.*) *(.iplt) *(.igot .igot.plt)
}
next prev parent reply other threads:[~2024-02-14 12:21 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-08 0:14 [PATCH 00/11] s390: Support linking with ld.lld Nathan Chancellor
2024-02-08 0:14 ` [PATCH 01/11] s390: boot: Add support for CONFIG_LD_ORPHAN_WARN Nathan Chancellor
2024-02-08 0:14 ` [PATCH 02/11] s390: vmlinux.lds.S: Handle '.data.rel' sections explicitly Nathan Chancellor
2024-02-08 0:14 ` [PATCH 03/11] s390: vmlinux.lds.S: Explicitly handle '.got' and '.plt' sections Nathan Chancellor
2024-02-13 5:31 ` Fangrui Song
2024-02-14 12:20 ` Heiko Carstens [this message]
2024-02-14 19:48 ` Nathan Chancellor
2024-02-08 0:14 ` [PATCH 04/11] s390: vmlinux.lds.S: Discard unnecessary sections Nathan Chancellor
2024-02-12 13:55 ` Heiko Carstens
2024-02-12 15:19 ` Heiko Carstens
2024-02-13 0:15 ` Nathan Chancellor
2024-02-08 0:14 ` [PATCH 05/11] s390/boot: vmlinux.lds.S: Handle '.init.text' Nathan Chancellor
2024-02-08 0:14 ` [PATCH 06/11] s390/boot: vmlinux.lds.S: Handle '.rela' sections Nathan Chancellor
2024-02-13 5:18 ` Fangrui Song
2024-02-14 12:17 ` Heiko Carstens
2024-02-14 21:32 ` Fangrui Song
2024-02-08 0:14 ` [PATCH 07/11] s390/boot: vmlinux.lds.S: Handle DWARF debug sections Nathan Chancellor
2024-02-13 5:33 ` Fangrui Song
2024-02-08 0:15 ` [PATCH 08/11] s390/boot: vmlinux.lds.S: Handle ELF required sections Nathan Chancellor
2024-02-08 0:15 ` [PATCH 09/11] s390/boot: vmlinux.lds.S: Handle commonly discarded sections Nathan Chancellor
2024-02-08 0:15 ` [PATCH 10/11] s390: Select CONFIG_ARCH_WANT_LD_ORPHAN_WARN Nathan Chancellor
2024-02-08 0:15 ` [PATCH 11/11] s390: Link vmlinux with '-z notext' Nathan Chancellor
2024-02-13 5:20 ` Fangrui Song
2024-02-08 23:14 ` [PATCH 00/11] s390: Support linking with ld.lld Justin Stitt
2024-02-09 11:20 ` Heiko Carstens
2024-02-09 15:08 ` Nathan Chancellor
2024-02-14 13:43 ` Heiko Carstens
2024-02-14 19:57 ` Nathan Chancellor
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240214122055.6438-D-hca@linux.ibm.com \
--to=hca@linux.ibm.com \
--cc=agordeev@linux.ibm.com \
--cc=borntraeger@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=maskray@google.com \
--cc=nathan@kernel.org \
--cc=ndesaulniers@google.com \
--cc=patches@lists.linux.dev \
--cc=svens@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox