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Re: [patch v3 22/23] record-btrace: add (reverse-)stepping support


> From: Markus Metzger <markus.t.metzger@intel.com>
> Cc: gdb-patches@sourceware.org, Eli Zaretskii <eliz@gnu.org>
> Date: Mon, 10 Jun 2013 10:04:55 +0200
> 
> diff --git a/gdb/NEWS b/gdb/NEWS
> index cbec17b..857b493 100644
> --- a/gdb/NEWS
> +++ b/gdb/NEWS
> @@ -12,6 +12,10 @@
>  Nios II ELF 			nios2*-*-elf
>  Nios II GNU/Linux		nios2*-*-linux
>  
> +* The btrace record target supports limited replay and reverse
> +  execution.  The target does not record data and does therefore
> +  not allow reading memory or registers.
> +
>  * The btrace record target supports the 'record goto' command.
>    For locations inside the execution trace, the back trace is computed
>    based on the information stored in the execution trace.

OK.

> diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
> index 5884ca4..602897f 100644
> --- a/gdb/doc/gdb.texinfo
> +++ b/gdb/doc/gdb.texinfo
> @@ -6192,8 +6192,8 @@ replay implementation.  This method allows replaying and reverse
>  execution.
>  
>  @item btrace
> -Hardware-supported instruction recording.  This method does not allow
> -replaying and reverse execution.
> +Hardware-supported instruction recording.  This method does not record
> +data.  It allows limited replay and reverse execution.
>  
>  This recording method may not be available on all processors.
>  @end table

Also OK.

Thanks.


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