Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758075AbaKTRHC (ORCPT ); Thu, 20 Nov 2014 12:07:02 -0500 Received: from thoth.sbs.de ([192.35.17.2]:43738 "EHLO thoth.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757710AbaKTRCo (ORCPT ); Thu, 20 Nov 2014 12:02:44 -0500 From: Jan Kiszka To: Thomas Gleixner , linux-kernel@vger.kernel.org Cc: Andrew Morton , Jason Wessel , kgdb-bugreport@lists.sourceforge.net, Andi Kleen , Tom Tromey , Ben Widawsky , Borislav Petkov , Tatiana Al-Chueyr Martins Subject: [PATCH v10 09/27] scripts/gdb: Add get_target_endianness helper Date: Thu, 20 Nov 2014 18:01:46 +0100 Message-Id: <2384b440052f533d08430198fe3dbd300cc464b7.1416502923.git.jan.kiszka@siemens.com> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Parse the target endianness from the output of "show endian" and cache the result to return it via the new helper get_target_endiannes. We will need it for reading integers from buffers that contain target memory. Signed-off-by: Jan Kiszka --- scripts/gdb/linux/utils.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py index c9d705b..10a227b 100644 --- a/scripts/gdb/linux/utils.py +++ b/scripts/gdb/linux/utils.py @@ -67,3 +67,21 @@ Note that TYPE and ELEMENT have to be quoted as strings.""" elementname.string()) ContainerOf() + + +BIG_ENDIAN = 0 +LITTLE_ENDIAN = 1 +target_endianness = None + + +def get_target_endianness(): + global target_endianness + if target_endianness is None: + endian = gdb.execute("show endian", to_string=True) + if "little endian" in endian: + target_endianness = LITTLE_ENDIAN + elif "big endian" in endian: + target_endianness = BIG_ENDIAN + else: + raise gdb.GdgError("unknown endianness '{0}'".format(endian)) + return target_endianness -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/