Re: [PATCH] gdb: Add switch to disable DWARF stack unwinders

[Eli Zaretskii <eliz@gnu.org>]

> From: Andrew Burgess <andrew.burgess@embecosm.com>
> Cc: Andrew Burgess <andrew.burgess@embecosm.com>
> Date: Fri, 13 Jul 2018 14:46:29 +0100
> 
> Add a maintenance command to disable the DWARF stack unwinders.
> Normal users would not need this feature, but it is useful to allow
> extended testing of fallback stack unwinding strategies, for example,
> prologue scanners.

Thanks.

> --- a/gdb/NEWS
> +++ b/gdb/NEWS
> @@ -7,6 +7,12 @@
>    can be passed using the '[ADDRESS]:PORT' notation, or the regular
>    'ADDRESS:PORT' method.
>  
> +* New commands
> +
> +maint set dwarf unwinders (on|off)
> +maint show dwarf unwinders
> +  Control whether DWARF unwinders can be used.
> +
>  *** Changes in GDB 8.2

OK for this part.

> +@cindex DWARF frame unwinders
> +Many targets that support DWARF debugging use @value{GDBN}'s DWARF
> +frame unwinders to build the backtrace.  Many of these targets will
> +also have a second mechanism for building the backtrace for use in
> +cases where DWARF information is not available, this second mechanism
> +is often an analysis of a functions prologue.
                             ^^^^^^^^^^^^^^^^^^
I think you meant "function's prologue" there.

The documentation parts are OK with the above nit fixed.