Re: Running M-x gdb hangs emacs

[Eli Zaretskii <eliz@gnu.org>]

> Date: Thu, 22 Jan 2015 19:52:07 +0800
> From: Zhongwei Yao <ashi08104@gmail.com>
> 
> When run M-x gdb with following command:
>   gdb -i=mi -x ~/.gdb/config
> 
> and the .gdb/config file are:
> ==config==
>   set non-stop off
>   file /my/path/to/exe-file
>   target remote 192.168.1.2:5049
>   break func_foo
> ==config==
> 
> emacs returns me a buffer *gud-config* with following content:
> ==*gud-config* buffer==
> Current directory is ~/.gdb/
> GNU gdb (GDB) 7.6
> Copyright (C) 2013 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html
> >
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "--host=x86_64-linux-gnu
> --target=arm-linux-android".
> For bug reporting instructions, please see:
> <http://source.android.com/source/report-bugs.html>.
> warning: Unable to find dynamic linker breakpoint function.
> GDB will be unable to debug shared library initializers
> and track explicitly loaded dynamic code.Cannot access memory at address 0x0
> ==*gud-config* buffer==
> 
> Then emacs will hang there.

Does the problem go away if you invoke GDB like this:

  M-x gud-gdb RET

?  Also, what version of Emacs is that?