public inbox for binutils@sourceware.org
 help / color / mirror / Atom feed
From: Szabolcs Nagy <szabolcs.nagy@arm.com>
To: Fangrui Song <i@maskray.me>
Cc: Nick Clifton <nickc@redhat.com>, binutils@sourceware.org
Subject: Re: [PATCH 0/5] aarch64 BTI stub fixes
Date: Mon, 20 Nov 2023 14:56:39 +0000	[thread overview]
Message-ID: <ZVtzpz482PPZqP1P@arm.com> (raw)
In-Reply-To: <DS7PR12MB5765CE9DC452CD430E68B89BCBB7A@DS7PR12MB5765.namprd12.prod.outlook.com>

The 11/17/2023 00:42, Fangrui Song wrote:
> On Thu, Nov 9, 2023 at 6:58 AM Szabolcs Nagy <szabolcs.nagy@arm.com> wrote:
> `.zero      0x07000000` is 112MiB.  Perhaps use output section
> addresses (e.g. [1]) to make the files smaller?

i cannot reproduce the original bug with different
output sections.

the bug requires the next input section after the
inserted stubs to be grouped with those stubs.
which i think does not happen in bfd ld if the next
input section goes to a different output section.

> 
> [1]: https://github.com/llvm/llvm-project/blob/de176d8c5496d6cf20e82aface98e102c593dbe2/lld/test/ELF/aarch64-thunk-pi.s#L112

      parent reply	other threads:[~2023-11-20 14:57 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-03 13:15 Szabolcs Nagy
2023-11-03 13:15 ` [PATCH 1/5] bfd: aarch64: Fix BTI stub optimization PR30957 Szabolcs Nagy
2023-11-03 13:15 ` [PATCH 2/5] bfd: aarch64: Fix broken BTI stub PR30930 Szabolcs Nagy
2023-11-03 13:15 ` [PATCH 3/5] bfd: aarch64: Fix leaks in case of BTI stub reuse Szabolcs Nagy
2023-11-03 13:15 ` [PATCH 4/5] bfd: aarch64: Avoid BTI stub for a PLT that has BTI Szabolcs Nagy
2023-11-03 13:22 ` [PATCH 5/5] ld: aarch64: Add BTI stub insertion test PR30930 Szabolcs Nagy
2023-11-03 13:15   ` Szabolcs Nagy
2023-11-07 11:38 ` [PATCH 0/5] aarch64 BTI stub fixes Nick Clifton
2023-11-07 13:08   ` Szabolcs Nagy
2023-11-09 14:58     ` Szabolcs Nagy
2023-11-17  8:42       ` Fangrui Song
     [not found]       ` <DS7PR12MB5765CE9DC452CD430E68B89BCBB7A@DS7PR12MB5765.namprd12.prod.outlook.com>
2023-11-20 14:56         ` Szabolcs Nagy [this message]

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=ZVtzpz482PPZqP1P@arm.com \
    --to=szabolcs.nagy@arm.com \
    --cc=binutils@sourceware.org \
    --cc=i@maskray.me \
    --cc=nickc@redhat.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;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).