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Re: [patch v3 22/23] record-btrace: add (reverse-)stepping support
- From: Eli Zaretskii <eliz at gnu dot org>
- To: Markus Metzger <markus dot t dot metzger at intel dot com>
- Cc: jan dot kratochvil at redhat dot com, gdb-patches at sourceware dot org
- Date: Tue, 11 Jun 2013 19:40:04 +0300
- Subject: Re: [patch v3 22/23] record-btrace: add (reverse-)stepping support
- References: <1370851496-32313-1-git-send-email-markus dot t dot metzger at intel dot com> <1370851496-32313-23-git-send-email-markus dot t dot metzger at intel dot com>
- Reply-to: Eli Zaretskii <eliz at gnu dot org>
> 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.