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Re: SEGV in enable_glyph_matrix_rows

From: Andreas Schwab
Subject: Re: SEGV in enable_glyph_matrix_rows
Date: Fri, 24 Sep 2004 15:44:37 +0200
User-agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3.50 (gnu/linux)

Reiner Steib <address@hidden> writes:

> Maybe I already did something wrong by using `pr' here:
> --8<---------------cut here---------------start------------->8---
> (gdb) p matrix
> $1 = (struct glyph_matrix *) 0x9010000
> (gdb) pr
> Program received signal SIGPIPE, Broken pipe.
> 0x4070b3a8 in write () from /lib/libc.so.6

You need to make sure that the emacs process has a terminal before you can
use the pr command, because the actual output is produced by calling a
function in the running process.  If the process you are examining has
already crashed then you better not use that command.

> (gdb) xtype
> Argument to arithmetic operation not a number or boolean.

Both pr and xtype and also all the other x* commands expect that the last
printed value is a Lisp_Object.


Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

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