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Date: Wed, 03 Jul 2013 19:25:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: [RFA][PATCH v4 2/5] S/390: Add TDB regset
In-reply-to: <87r4ffinkn.fsf@br87z6lw.de.ibm.com>
To: Andreas Arnez <arnez@linux.vnet.ibm.com>
Cc: gdb-patches@sourceware.org, Ulrich.Weigand@de.ibm.com
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <83txkba1l1.fsf@gnu.org>
References: <87zju3intq.fsf@br87z6lw.de.ibm.com> <87r4ffinkn.fsf@br87z6lw.de.ibm.com>
X-SW-Source: 2013-07/txt/msg00156.txt.bz2

> From: Andreas Arnez <arnez@linux.vnet.ibm.com>
> Cc: Ulrich.Weigand@de.ibm.com
> Date: Wed, 03 Jul 2013 19:02:32 +0200
> 
> The z/Architecture transactional-execution facility includes support
> for a "transaction diagnostic block" (TDB) that is written by the
> hardware upon interrupted transactions.  From a running inferior the
> TDB can be retrieved via PTRACE_GETREGSET, but ENODATA is returned if
> the inferior was interrupted outside transactions.  Analogously, a
> core file conditionally contains the TDB, depending on whether the
> process died within a transaction or not.
> 
> This patch represents the TDB as a new regset in GDB.  A new feature
> "org.gnu.gdb.s390.tdb" is defined and new target descriptions are
> provided.

Thanks, the documentation parts are OK.