Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933582Ab2K0KOa (ORCPT ); Tue, 27 Nov 2012 05:14:30 -0500 Received: from david.siemens.de ([192.35.17.14]:31180 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933336Ab2K0KMF (ORCPT ); Tue, 27 Nov 2012 05:12:05 -0500 From: Jan Kiszka To: Andrew Morton , linux-kernel@vger.kernel.org Cc: Jason Wessel , kgdb-bugreport@lists.sourceforge.net, Andi Kleen , Tom Tromey Subject: [PATCH v3 04/13] scripts/gdb: Add get_target_endianness helper Date: Tue, 27 Nov 2012 11:11:35 +0100 Message-Id: <4b6143216411504c48beac38462bd0b9036c2649.1354011091.git.jan.kiszka@siemens.com> X-Mailer: git-send-email 1.7.3.4 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 Content-Length: 1325 Lines: 42 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/utils.py | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/scripts/gdb/utils.py b/scripts/gdb/utils.py index f97ef79..e3191c5 100644 --- a/scripts/gdb/utils.py +++ b/scripts/gdb/utils.py @@ -56,3 +56,20 @@ class ContainerOf(gdb.Function): elementname.string()) ContainerOf() + + +BIG_ENDIAN = 0 +LITTLE_ENDIAN = 1 +target_endianness = None + +def get_target_endianness(): + global target_endianness + if target_endianness == None: + endian = gdb.execute("show endian", False, True) + if endian.find("little endian") >= 0: + target_endianness = LITTLE_ENDIAN + elif endian.find("big endian") >= 0: + target_endianness = BIG_ENDIAN + else: + raise gdb.GdgError("unknown endianness '%s'" % endian) + return target_endianness -- 1.7.3.4 -- 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/