Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753654Ab2JCLWL (ORCPT ); Wed, 3 Oct 2012 07:22:11 -0400 Received: from mout.web.de ([212.227.15.3]:53934 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753338Ab2JCLWI (ORCPT ); Wed, 3 Oct 2012 07:22:08 -0400 From: Jan Kiszka To: linux-kernel@vger.kernel.org Cc: Jason Wessel , kgdb-bugreport@lists.sourceforge.net Subject: [PATCH 04/13] scripts/gdb: Add get_target_endianness helper Date: Wed, 3 Oct 2012 13:21:35 +0200 Message-Id: <4f794cfb44b8c19fe97333677d89018b023be341.1349263293.git.jan.kiszka@web.de> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: References: In-Reply-To: References: X-Provags-ID: V02:K0:ChTdLexWJBCUIQeU0eVXELKz2t2+CItysxU1FQqkkSu iMdoDnryLVNNJg5Y+m758XDg8ndR0pxMt+Tc7kx2w4DKiEniHL dy8uBE8IsUYwyksZSV3m/KZrgoOQoMRppfRa2KHXq8Ux9ynnov wzWGYPYERjliHG3l2ZM6Q03PxYxjIBUCO3eBfzL1QuJlYC3J4J +XvVQkp0RQs/4syqbYI8A== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1368 Lines: 44 From: Jan Kiszka 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 f770c5c..40356d9 100644 --- a/scripts/gdb/utils.py +++ b/scripts/gdb/utils.py @@ -53,3 +53,20 @@ 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/