all messages for Emacs-related lists mirrored at yhetil.org
 help / color / mirror / code / Atom feed
From: Alan Mackenzie <acm@muc.de>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Andrea Corallo <akrl@sdf.org>, emacs-devel@gnu.org
Subject: Re: How does one find out what file a library has been loaded from?
Date: Mon, 1 Aug 2022 19:31:47 +0000	[thread overview]
Message-ID: <YugqI5yElAgsMHAt@ACM> (raw)
In-Reply-To: <83ilnd4f72.fsf@gnu.org>

Hello, Eli.

On Sun, Jul 31, 2022 at 15:52:33 +0300, Eli Zaretskii wrote:
> > From: Andrea Corallo <akrl@sdf.org>
> > Cc: acm@muc.de, emacs-devel@gnu.org
> > Date: Sun, 24 Jul 2022 17:46:02 +0000

> > >> (native-comp-unit-file (subr-native-comp-unit (symbol-function #'find-file)))

> > > Andrea, does anything similar to subr-native-comp-unit exists for
> > > other types of symbols accepted by symbol-file: defvar and defface?

> > No it does not exists.

> > The reason why the compilation unit concept was introduced is to have
> > the GC capable of unloading the eln when possible, this mechanism is
> > only related to functions that are indeed memory mapped from the loaded
> > shared libraries.  Variables etc are just regular variables (tipically
> > defined at eln load time) so they didn't required any new mechanism.

> > > If not, then the only way to produce the same information for them
> > > would be to generate the base name of the .eln file with
> > > comp-el-to-eln-rel-filename, and then look for that file along
> > > native-comp-eln-load-path, right?

> > Yes I think so.

> Andrea and Alan, please review and test the version of symbol-file
> below that I intend to install soon.  TIA.

Sorry to have taken so long.  I've deliberately avoided reading Andrea's
response.

This is brilliant!  It seems to work for me flawlessly.  There's just one
slight mistake:

[ .... ]

> If NATIVE-P is nil, and SYMBOL was loaded from a .eln file, this
> function will return the absolute file name of that .eln file,
> if found.

That should surely read "If NATIVE-P is non-nil, ....".
                                        ^^^^

[ .... ]

-- 
Alan Mackenzie (Nuremberg, Germany).



  parent reply	other threads:[~2022-08-01 19:31 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-19 10:52 How does one find out what file a library has been loaded from? Alan Mackenzie
2022-07-19 12:39 ` Eli Zaretskii
2022-07-19 15:01   ` Alan Mackenzie
2022-07-19 15:32     ` Andrea Corallo
2022-07-24 16:07       ` Eli Zaretskii
2022-07-24 17:46         ` Andrea Corallo
2022-07-31 12:52           ` Eli Zaretskii
2022-08-01  9:23             ` Andrea Corallo
2022-08-02  8:43               ` Andrea Corallo
2022-08-02 12:12                 ` Eli Zaretskii
2022-08-02 14:13                   ` Andrea Corallo
2022-08-03 14:19                     ` Eli Zaretskii
2022-08-01 19:31             ` Alan Mackenzie [this message]
2022-08-03 14:16               ` Eli Zaretskii
2022-07-19 15:50     ` Eli Zaretskii
2022-07-19 17:07       ` Alan Mackenzie
2022-07-19 19:13         ` Eli Zaretskii
2022-07-20 11:47           ` Alan Mackenzie
2022-07-20 15:31             ` Stefan Monnier
2022-07-20 20:34             ` Alan Mackenzie
2022-07-21  6:13               ` Eli Zaretskii
2022-07-21 17:37                 ` Alan Mackenzie
2022-07-21 17:52                   ` Stefan Monnier
2022-07-21 18:24                     ` Alan Mackenzie
2022-07-21 18:37                       ` Stefan Monnier
2022-07-21 21:03                         ` Alan Mackenzie
2022-07-21 23:15                           ` Stefan Monnier
2022-07-21 17:53                   ` Eli Zaretskii
2022-07-21 20:39                     ` Alan Mackenzie
2022-07-23 10:11                       ` Eli Zaretskii
2022-07-24 11:27                         ` Alan Mackenzie
2022-07-24 12:16                           ` Eli Zaretskii
2022-07-24 15:37                             ` Eli Zaretskii
2022-07-24 15:42                               ` Eli Zaretskii
2022-07-24 15:32                           ` Stefan Monnier
2022-07-24 15:49                             ` T.V Raman
2022-07-24 16:11                               ` Stefan Monnier
2022-07-24 18:21                                 ` T.V Raman
2022-07-24 18:50                                   ` Stefan Monnier
2022-07-24 16:19                               ` Eli Zaretskii
2022-07-19 16:27     ` Stefan Monnier
2022-07-20 18:36       ` Andrea Corallo
2022-07-21  7:20         ` Eli Zaretskii

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=YugqI5yElAgsMHAt@ACM \
    --to=acm@muc.de \
    --cc=akrl@sdf.org \
    --cc=eliz@gnu.org \
    --cc=emacs-devel@gnu.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.
Code repositories for project(s) associated with this external index

	https://git.savannah.gnu.org/cgit/emacs.git
	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.