Re: [scratch/igc] 985247b6bee crash on Linux, KDE, Wayland

[Eval EXEC <execvy@gmail.com>]

Eli Zaretskii <eliz@gnu.org> writes:

>> Date: Fri, 06 Sep 2024 07:41:24 +0000
>> From: Pip Cet <pipcet@protonmail.com>
>> Cc: Eli Zaretskii <eliz@gnu.org>, gerd.moellmann@gmail.com, emacs-devel@gnu.org
>> 
>> We need to look up a few builtin symbols: 0x12638 is the first one,
>> corresponding to symbol index 1345.
>> 
>> > 0x7f08addd0630: 0x00007f08addd066b      0x00000003df44f80d
>> > 0x7f08addd0640: 0x0000000000000000      0x00007f08addd0683
>> > 0x7f08addd0650: 0x00000003df45220d      0x000000000000a5d0
>> 
>> 0xa5d0 is the next one, and that's index 758.
>> 
>> > 0x7f08addd0660: 0x00007f08addd069b      0x00000003df45250d
>> > 0x7f08addd0670: 0x0000000000000038      0x00007f08addd06b3
>> 
>> 0x38 is t.
>> 
>> > 0x7f08addd0680: 0x00000003df44f90d      0x000000000000a5d0
>> > 0x7f08addd0690: 0x00007f08addd06cb      0x00000003df45230d
>> > 0x7f08addd06a0: 0x00007f08addd06e3      0x0000000000000000
>> > 0x7f08addd06b0: 0x00000003df45260d      0x00007f0889546b70
>> > 0x7f08addd06c0: 0x00007f08936d87d3      0x00000003df44fa0d
>> > 0x7f08addd06d0: 0x00007f08936ceb33      0x0000000000000000
>> > 0x7f08addd06e0: 0x00000003df44e70d      0x0000000000001538
>> 
>> 0x1538 is the last one, and that's index 97.
>> 
>> In gdb, can you run
>> 
>> (gdb) print defsym_name[97]
>> (gdb) print defsym_name[758]
>> (gdb) print defsym_name[1345]
>> 
>> to see which symbol corresponds to each index?
>
> Isn't it easier to use xsymbol?  Like this:
>
>  (gdb) p 0x1538
>  $8 = 5432
>  (gdb) xsymbol
>  $14 = (struct Lisp_Symbol *) 0xde4370 <lispsym+4656>
>  ":image"
It's

(gdb) p 0x1538
$12 = 5432
(gdb) xsymbol
$13 = (struct Lisp_Symbol *) 0xd1d418 <lispsym+5432>
":foreground"

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