From patchwork Tue Jul 25 09:34:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?S3Vhbi1ZaW5nIExlZSAo5p2O5Yag56mOKQ==?= X-Patchwork-Id: 13326226 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C33CC001DF for ; Tue, 25 Jul 2023 09:37:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233434AbjGYJhC (ORCPT ); Tue, 25 Jul 2023 05:37:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233234AbjGYJgq (ORCPT ); Tue, 25 Jul 2023 05:36:46 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4242A2707; Tue, 25 Jul 2023 02:35:30 -0700 (PDT) X-UUID: 9594c90a2ace11ee9cb5633481061a41-20230725 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=CCTXtSXii4WjoQb/QME4Zdq2bfBGafme2o0RO1nxKt8=; b=pJM25hOGVrtXDyNIDLycc74vFOas6onEsU0S4A1ivop07H6V4rWXdwuiMvo2wOIfW9THQXYjlQ0yRFjPeJcJVDWkt7qwcmbpO2nkQ3BFDozOLVk9Huq9R8j/VEvsyhIaTXlY9W6VuDvNzslvIkKvX++erd21tW01f2M81pJ5uo8=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.29,REQID:f8d75b8d-11b2-4524-b50c-34ff117bc1c0,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:e7562a7,CLOUDID:eba081a0-0933-4333-8d4f-6c3c53ebd55b,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_ULN,TF_CID_SPAM_SNR X-UUID: 9594c90a2ace11ee9cb5633481061a41-20230725 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1876787150; Tue, 25 Jul 2023 17:35:25 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Tue, 25 Jul 2023 17:35:24 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Tue, 25 Jul 2023 17:35:24 +0800 From: Kuan-Ying Lee To: Jan Kiszka , Kieran Bingham , Matthias Brugger , AngeloGioacchino Del Regno CC: , , , , , , , Kuan-Ying Lee , , Subject: [PATCH 1/8] scripts/gdb/symbols: add specific ko module load command Date: Tue, 25 Jul 2023 17:34:51 +0800 Message-ID: <20230725093458.30064-2-Kuan-Ying.Lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230725093458.30064-1-Kuan-Ying.Lee@mediatek.com> References: <20230725093458.30064-1-Kuan-Ying.Lee@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: Add lx-symbols command to support add specific ko module. Example output like below: (gdb) lx-symbols mm/kasan/kasan_test.ko loading @0xffff800002d30000: mm/kasan/kasan_test.ko Signed-off-by: Kuan-Ying Lee --- scripts/gdb/linux/symbols.py | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index fdad3f32c747..b21ae62fdd7d 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -107,11 +107,12 @@ lx-symbols command.""" name=section_name, addr=str(address))) return "".join(args) - def load_module_symbols(self, module): + def load_module_symbols(self, module, module_file=None): module_name = module['name'].string() module_addr = str(module['mem'][constants.LX_MOD_TEXT]['base']).split()[0] - module_file = self._get_module_file(module_name) + if not module_file: + module_file = self._get_module_file(module_name) if not module_file and not self.module_files_updated: self._update_module_files() module_file = self._get_module_file(module_name) @@ -135,6 +136,19 @@ lx-symbols command.""" else: gdb.write("no module object found for '{0}'\n".format(module_name)) + def load_ko_symbols(self, mod_path): + self.loaded_modules = [] + module_list = modules.module_list() + + for module in module_list: + module_name = module['name'].string() + module_pattern = ".*/{0}\.ko(?:.debug)?$".format( + module_name.replace("_", r"[_\-]")) + if re.match(module_pattern, mod_path) and os.path.exists(mod_path): + self.load_module_symbols(module, mod_path) + return + raise gdb.GdbError("%s is not a valid .ko\n" % mod_path) + def load_all_symbols(self): gdb.write("loading vmlinux\n") @@ -173,6 +187,11 @@ lx-symbols command.""" self.module_files = [] self.module_files_updated = False + argv = gdb.string_to_argv(arg) + if len(argv) == 1: + self.load_ko_symbols(argv[0]) + return + self.load_all_symbols() if hasattr(gdb, 'Breakpoint'):