From: "Björn Bidar" <bjorn.bidar@thaodan.de>
To: "Gerd Möllmann" <gerd.moellmann@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: How to make aot native-compilation and pdmp creation reproduceable
Date: Sun, 08 Oct 2023 23:53:13 +0300 [thread overview]
Message-ID: <87wmvwvnt2.fsf@thaodan.de> (raw)
In-Reply-To: <m25y3i2pxv.fsf@Pro.fritz.box> ("Gerd Möllmann"'s message of "Sat, 07 Oct 2023 21:27:40 +0200")
Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>> 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.
Th Emacs executable also changes each time.
Oh that's an oversight on my side. Here is the diff:
/usr/libexec/emacs/29.1/x86_64-suse-linux/emacs-x11.pdmp differs at offset '17' (GNU/Emacs pdumper image)
--- old /usr/libexec/emacs/29.1/x86_64-suse-linux/emacs-x11.pdmp (hex)
+++ new /usr/libexec/emacs/29.1/x86_64-suse-linux/emacs-x11.pdmp (hex)
@@ -1,6 +1,6 @@
00000000 44 55 4d 50 45 44 47 4e 55 45 4d 41 43 53 00 00 |DUMPEDGNUEMACS..|
-00000010 81 e3 b8 e4 33 01 1e c5 18 db 85 f2 95 86 19 7c |....3..........||
-00000020 be 6f b7 03 f7 61 af d4 c6 d7 bd 74 f2 16 8b e2 |.o...a.....t....|
+00000010 a2 c0 5c 34 51 54 0c 6d ea e9 6b ed 21 a9 0a 3c |..\4QT.m..k.!..<|
+00000020 c0 cf 32 1a e7 c6 34 d2 89 ae 77 91 2f e9 09 67 |..2...4...w./..g|
00000030 98 ce c2 00 bc d7 08 00 88 2d e6 00 5b 00 00 00 |.........-..[...|
00000040 f8 2e e6 00 b8 16 00 00 d8 89 e6 00 e3 e9 03 00 |................|
00000050 68 31 f6 00 03 0d 00 00 20 4c 98 00 00 00 9c 00 |h1...... L......|
Here is the diff of the matching Emacs binary:
/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 ................
(I had to rebuild to get new logs)
next prev parent reply other threads:[~2023-10-08 20:53 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
2023-10-08 20:53 ` Björn Bidar [this message]
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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