From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: "Björn Bidar" <bjorn.bidar@thaodan.de>
Cc: emacs-devel@gnu.org
Subject: Re: How to make aot native-compilation and pdmp creation reproduceable
Date: Sat, 07 Oct 2023 21:27:40 +0200 [thread overview]
Message-ID: <m25y3i2pxv.fsf@Pro.fritz.box> (raw)
In-Reply-To: <87edi6wa63.fsf@thaodan.de> ("Björn Bidar"'s message of "Sat, 07 Oct 2023 21:37:56 +0300")
Björn Bidar <bjorn.bidar@thaodan.de> writes:
> Hey,
>
> I noticed that building Emacs isn't enterily reproduceable.
> The compiled byte code it reproduceable, however I notied that
> the pdmp files and some of the native compiled elisp for each variant
> change each time the package is rebuild.
>
> The specific build option don't seem to make a difference.
>
> Strangely the only eln file that changes is x-win.el:
> /usr/lib64/emacs/29.1/native-lisp/29.1-115521d4/preloaded/x-win-3c49581f-6ddb7e08.eln differs in ELF sections
> --- old /usr/lib64/emacs/29.1/native-lisp/29.1-115521d4/preloaded/x-win-3c49581f-6ddb7e08.eln (objdump)
> +++ new /usr/lib64/emacs/29.1/native-lisp/29.1-115521d4/preloaded/x-win-3c49581f-6ddb7e08.eln (objdump)
> @@ -2950,7 +2950,7 @@
> 0e7c0 6f726564 20736573 73696f6e 20646174 ored session dat
> 0e7d0 61222022 4865776c 6574742d 5061636b a" "Hewlett-Pack
> 0e7e0 61726420 496e636f 72706f72 61746564 ard Incorporated
> - 0e7f0 22202334 3d282831 3638202e 206d7574 " #4=((168 . mut
> + 0e7f0 22202336 3d282831 3638202e 206d7574 " #6=((168 . mut
> 0e800 652d6163 75746529 20283136 39202e20 e-acute) (169 .
> 0e810 6d757465 2d677261 76652920 28313730 mute-grave) (170
> 0e820 202e206d 7574652d 61736369 69636972 . mute-asciicir
> @@ -2976,7 +2976,7 @@
> 0e960 20224865 776c6574 742d5061 636b6172 "Hewlett-Packar
> 0e970 6420436f 6d70616e 79222022 5831312f d Company" "X11/
> 0e980 4e655753 202d2053 756e204d 6963726f NeWS - Sun Micro
> - 0e990 73797374 656d7320 496e632e 22202336 systems Inc." #6
> + 0e990 73797374 656d7320 496e632e 22202334 systems Inc." #4
> 0e9a0 3d282833 39323937 36202e20 66333629 =((392976 . f36)
> 0e9b0 20283339 32393737 202e2066 33372920 (392977 . f37)
> 0e9c0 28333933 30353620 2e207265 71292028 (393056 . req) (
These two look like comp.el prints with print-circle being t, and
doesn't use print-continuous-numbering/print-number-table.
> One example of pdmp of one of the variants:
> /usr/bin/emacs-x11 differs in ELF sections
> --- old /usr/bin/emacs-x11 (objdump)
> +++ new /usr/bin/emacs-x11 (objdump)
> @@ -519888,8 +519888,8 @@
> 7f1410 2d2d6e6f 2d73706c 61736800 00000000 --no-splash.....
> 7f1420 00400000 00000000 00000000 00000000 .@..............
> 7f1430 00000000 00000000 00000000 00000000 ................
> - 7f1440 81e3b8e4 33011ec5 18db85f2 9586197c ....3..........|
> - 7f1450 be6fb703 f761afd4 c6d7bd74 f2168be2 .o...a.....t....
> + 7f1440 a2c05c34 51540c6d eae96bed 21a90a3c ..\4QT.m..k.!..<
> + 7f1450 c0cf321a e7c634d2 89ae7791 2fe90967 ..2...4...w./..g
> 7f1460 2c010000 00000000 20003900 00000000 ,....... .9.....
> 7f1470 ffffffff 15000000 3e000000 7c000000 ........>...|...
> 7f1480 12000000 00000000 00000000 00000000 ................
That's confusing. Is that an executable, if you do an objdump? You
write it's an example of pdmp.
next prev parent reply other threads:[~2023-10-07 19:27 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-07 18:37 How to make aot native-compilation and pdmp creation reproduceable Björn Bidar
2023-10-07 19:27 ` Gerd Möllmann [this message]
2023-10-08 20:53 ` Björn Bidar
2023-10-08 20:57 ` Björn Bidar
2023-10-09 4:19 ` Gerd Möllmann
2023-10-09 11:05 ` Eli Zaretskii
2023-10-09 11:26 ` Gerd Möllmann
2023-10-09 11:32 ` Eli Zaretskii
2023-10-09 11:55 ` Gerd Möllmann
2023-10-09 12:29 ` Gerd Möllmann
2023-10-09 13:09 ` Eli Zaretskii
2023-10-09 13:33 ` Gerd Möllmann
2023-10-09 14:20 ` Eli Zaretskii
2023-10-09 14:30 ` Gerd Möllmann
2023-10-09 14:48 ` Björn Bidar
2023-10-09 14:58 ` Eli Zaretskii
2023-10-09 15:44 ` Björn Bidar
2023-10-09 14:52 ` Björn Bidar
2023-10-09 15:06 ` Gerd Möllmann
[not found] ` <8734yju8ax.fsf@thaodan.de>
2023-10-09 15:59 ` Eli Zaretskii
2023-10-09 16:06 ` Björn Bidar
2023-10-09 16:28 ` Eli Zaretskii
2023-10-09 16:53 ` Björn Bidar
2023-10-09 16:40 ` Gerd Möllmann
2023-10-09 17:06 ` Björn Bidar
2023-10-09 17:19 ` Gerd Möllmann
2023-10-09 18:23 ` Alan Mackenzie
2023-10-10 6:21 ` Gerd Möllmann
2023-10-10 10:39 ` Alan Mackenzie
2023-10-10 11:12 ` Gerd Möllmann
2023-10-10 11:58 ` Michael Albinus
2023-10-10 12:17 ` Eli Zaretskii
2023-10-10 13:07 ` Alan Mackenzie
2023-10-11 9:15 ` Andrea Corallo
2023-10-10 8:30 ` Ulrich Mueller
2023-10-10 9:28 ` Gerd Möllmann
2023-10-10 10:53 ` Ulrich Mueller
2023-10-10 11:15 ` Gerd Möllmann
2023-10-10 11:08 ` Differences in *.elc files (was: Re: How to make aot native-compilation and pdmp creation reproduceable) Ulrich Mueller
2023-10-10 11:51 ` Differences in *.elc files Gerd Möllmann
2023-10-10 12:14 ` How to make aot native-compilation and pdmp creation reproduceable Eli Zaretskii
2023-10-10 14:40 ` Björn Bidar
2023-10-10 14:59 ` Ulrich Mueller
2023-10-09 4:28 ` Gerd Möllmann
2023-10-08 7:14 ` Andrea Corallo
2023-10-08 21:38 ` Björn Bidar
2023-10-09 2:34 ` Eli Zaretskii
2023-10-09 4:25 ` Björn Bidar
2023-10-09 4:46 ` Gerd Möllmann
2023-10-09 5:06 ` Gerd Möllmann
2023-10-09 5:47 ` Gerd Möllmann
2023-10-09 11:15 ` Eli Zaretskii
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