From: Mark Wielaard <mark@klomp.org>
To: Avi Kivity <avi@scylladb.com>, gdb@sourceware.org
Subject: Re: debuginfod vs libthread_db.so
Date: Thu, 24 Nov 2022 13:24:00 +0100 [thread overview]
Message-ID: <6cf1a5ef8636a1603181f0b177909a1e7869ece9.camel@klomp.org> (raw)
In-Reply-To: <f1a60704b0f2f8ca9ad96ddc137360ae7557aaf6.camel@scylladb.com>
Hi Avi,
On Thu, 2022-11-24 at 14:02 +0200, Avi Kivity via Gdb wrote:
> (tangent: is it possible to express libthread_db.so code as DWARF
> expressions? if so it will be possible to get rid of libthread_db.so,
> by having libc encode accessors to thread information as some DWARF
> expressions, and teaching gdb to use those expressions instead of
> calling libthread_db.so)
There used to be an effort to define a kind of extended DWARF
expressions, infinity notes, to describe things like the
libthread_db.so code. Although the website can only be found in
archive.org now, the code is still out there:
https://web.archive.org/web/20190126111943/https://infinitynotes.org/wiki/Infinity
Mailing list: infinity@sourceware.org,
https://sourceware.org/ml/infinity/
Source code: https://gitlab.com/gbenson/i8c/,
https://gitlab.com/gbenson/libi8x/
Cheers,
Mark
next prev parent reply other threads:[~2022-11-24 12:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-24 12:02 Avi Kivity
2022-11-24 12:24 ` Mark Wielaard [this message]
2022-11-30 18:46 ` Florian Weimer
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=6cf1a5ef8636a1603181f0b177909a1e7869ece9.camel@klomp.org \
--to=mark@klomp.org \
--cc=avi@scylladb.com \
--cc=gdb@sourceware.org \
/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).