From: Eli Zaretskii <eliz@gnu.org>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: michael.albinus@gmx.de, ncaprisunfan@gmail.com, 49261@debbugs.gnu.org
Subject: bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains
Date: Thu, 08 Jul 2021 19:47:10 +0300 [thread overview]
Message-ID: <83y2agda7l.fsf@gnu.org> (raw)
In-Reply-To: <878s2hszcx.fsf@gnus.org> (message from Lars Ingebrigtsen on Thu, 08 Jul 2021 15:34:54 +0200)
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: michael.albinus@gmx.de, ncaprisunfan@gmail.com, 49261@debbugs.gnu.org
> Date: Thu, 08 Jul 2021 15:34:54 +0200
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > Which means unfortunately that to see the form one needs to display
> > the form piecemeal, one member at a time, using the xtype and the
> > other x* commands... Let me know if you need more detailed
> > instructions.
>
> Yes, that'd be appreciated.
Well, you did it (almost) correctly:
> (gdb) xtype form
> Lisp_Cons
> (gdb) xcons form
> $2 = (struct Lisp_Cons *) 0x7ffff211c260
> {
> u = {
> s = {
> car = XIL(0x2aaa9c41a9e0),
> u = {
> cdr = XIL(0),
> chain = 0x0
> }
> },
> gcaligned = 0xe0
> }
> }
> (gdb) xcar form
> $3 = 0x0
> (gdb) xcdr form
> $4 = 0x0
What you need to do is this:
(gdb) xtype
Lisp_Cons
(gdb) xcons
$2 = (struct Lisp_Cons *) 0x7ffff211c260
{
u = {
s = {
car = XIL(0x2aaa9c41a9e0),
u = {
cdr = XIL(0),
chain = 0x0
}
},
gcaligned = 0xe0
}
}
(gdb) p $2->u.s.car
(gdb) xtype
And after the second "xtype" continue with the x* command according to
the type.
Your mistake was to use an argument after xcons, xcar, and xcdr: these
should be invoked without an argument, immediately after printing a
Lisp_Object variable. Like this:
(gdb) p form
(gdb) xcar
(gdb) p form
(gdb) xcdr
etc.
> Which doesn't seem ... right?
No, but the real form has a non-nil 'car', see above. So that does
look valid, at least at this level. The invalid part probably comes
when you recurse deeper into 'form'.
next prev parent reply other threads:[~2021-07-08 16:47 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-28 17:38 bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains Mallchad Skeghyeph
2021-06-30 13:00 ` Lars Ingebrigtsen
2021-06-30 13:26 ` Eli Zaretskii
2021-06-30 14:08 ` Lars Ingebrigtsen
[not found] ` <CADrO7Mje3DstmjxutZcpx33jWJwgE_z+hGfJc4aON1CYOpyJxA@mail.gmail.com>
2021-07-01 10:55 ` Lars Ingebrigtsen
2021-07-01 12:58 ` Eli Zaretskii
2021-06-30 16:07 ` Michael Albinus
2021-06-30 16:16 ` Eli Zaretskii
2021-07-01 11:38 ` Lars Ingebrigtsen
2021-06-30 19:31 ` Juri Linkov
2021-07-01 16:57 ` Michael Albinus
2021-07-01 18:31 ` Eli Zaretskii
2021-07-02 11:06 ` Lars Ingebrigtsen
2021-07-02 12:32 ` Michael Albinus
2021-07-07 16:01 ` Lars Ingebrigtsen
2021-07-07 16:07 ` Michael Albinus
2021-07-07 16:13 ` Lars Ingebrigtsen
2021-07-07 16:40 ` Michael Albinus
2021-07-07 16:57 ` Lars Ingebrigtsen
2021-07-07 16:55 ` Michael Albinus
2021-07-07 16:59 ` Lars Ingebrigtsen
2021-07-07 17:36 ` Michael Albinus
2021-07-07 18:08 ` Lars Ingebrigtsen
2021-07-07 18:33 ` Eli Zaretskii
2021-07-07 18:50 ` Lars Ingebrigtsen
2021-07-07 19:40 ` Lars Ingebrigtsen
2021-07-07 20:03 ` Michael Albinus
2021-07-08 6:03 ` Michael Albinus
2021-07-08 19:53 ` Michael Albinus
2021-07-09 6:30 ` Eli Zaretskii
2021-07-09 8:28 ` Michael Albinus
2021-07-09 10:45 ` Eli Zaretskii
2021-07-09 11:01 ` Michael Albinus
2021-07-09 16:31 ` Lars Ingebrigtsen
2021-07-12 13:53 ` Michael Albinus
2021-07-12 14:03 ` Eli Zaretskii
2021-07-12 14:37 ` Michael Albinus
2021-07-12 17:30 ` Eli Zaretskii
2021-07-12 17:35 ` Lars Ingebrigtsen
2021-07-12 17:38 ` Eli Zaretskii
2021-07-12 18:00 ` Michael Albinus
2021-07-12 18:25 ` Eli Zaretskii
2021-07-12 18:46 ` Michael Albinus
2021-07-12 19:04 ` Eli Zaretskii
2021-07-13 17:53 ` Michael Albinus
2021-07-13 16:30 ` Lars Ingebrigtsen
2021-07-13 16:31 ` Lars Ingebrigtsen
2021-07-13 16:41 ` Eli Zaretskii
2021-07-13 17:59 ` Michael Albinus
2021-07-13 19:00 ` Eli Zaretskii
2021-07-13 19:09 ` Lars Ingebrigtsen
2021-07-13 19:36 ` Michael Albinus
2021-07-13 17:55 ` Michael Albinus
2021-07-13 19:05 ` Lars Ingebrigtsen
2021-07-16 16:15 ` Michael Albinus
2021-07-17 14:06 ` Lars Ingebrigtsen
2021-07-07 20:05 ` Eli Zaretskii
2021-07-07 20:09 ` Lars Ingebrigtsen
2021-07-07 20:15 ` Eli Zaretskii
2021-07-07 20:10 ` Eli Zaretskii
2021-07-07 20:18 ` Lars Ingebrigtsen
2021-07-07 20:29 ` Lars Ingebrigtsen
2021-07-07 20:37 ` Lars Ingebrigtsen
2021-07-07 20:55 ` Lars Ingebrigtsen
2021-07-07 21:04 ` Lars Ingebrigtsen
2021-07-07 22:22 ` Lars Ingebrigtsen
2021-07-08 0:09 ` bug#49261: Segfault during loadup Lars Ingebrigtsen
2021-07-08 6:35 ` Eli Zaretskii
2021-07-08 12:51 ` Lars Ingebrigtsen
2021-07-11 8:36 ` Paul Eggert
2021-07-11 10:21 ` Eli Zaretskii
2021-07-11 15:25 ` Eli Zaretskii
2021-07-12 7:16 ` Paul Eggert
2021-07-12 12:07 ` Eli Zaretskii
2021-07-12 14:50 ` Paul Eggert
2021-07-12 14:56 ` Andreas Schwab
2021-07-12 15:54 ` Eli Zaretskii
2021-07-13 23:12 ` Paul Eggert
2021-07-14 7:42 ` Andreas Schwab
2021-07-14 22:04 ` Paul Eggert
2021-07-14 22:10 ` Andreas Schwab
2021-07-14 12:36 ` Eli Zaretskii
2021-07-14 22:24 ` Paul Eggert
2021-07-15 6:13 ` Eli Zaretskii
2021-07-11 11:32 ` Lars Ingebrigtsen
2021-07-08 6:15 ` bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains Eli Zaretskii
2021-07-08 6:20 ` Eli Zaretskii
2021-07-08 12:44 ` Lars Ingebrigtsen
2021-07-08 13:11 ` Lars Ingebrigtsen
2021-07-08 13:13 ` Eli Zaretskii
2021-07-08 6:17 ` Eli Zaretskii
2021-07-08 12:42 ` Lars Ingebrigtsen
2021-07-08 12:49 ` Lars Ingebrigtsen
2021-07-08 13:16 ` Eli Zaretskii
2021-07-08 13:34 ` Lars Ingebrigtsen
2021-07-08 16:47 ` Eli Zaretskii [this message]
2021-07-10 16:25 ` Lars Ingebrigtsen
2021-07-10 17:04 ` Eli Zaretskii
2021-07-10 17:15 ` Lars Ingebrigtsen
2021-07-10 17:20 ` Eli Zaretskii
2021-07-07 18:02 ` Eli Zaretskii
2021-07-07 18:17 ` Lars Ingebrigtsen
2021-07-07 18:20 ` Lars Ingebrigtsen
2021-07-07 18:42 ` Eli Zaretskii
2021-07-07 18:58 ` Lars Ingebrigtsen
2021-07-07 19:03 ` Lars Ingebrigtsen
2021-07-07 19:20 ` Eli Zaretskii
2021-07-07 18:50 ` Eli Zaretskii
2021-07-07 19:22 ` Lars Ingebrigtsen
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