From patchwork Mon Nov 14 17:57:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sathvika Vasireddy X-Patchwork-Id: 1703721 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=q81Un6i5; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4N9y5k56PMz23lt for ; Tue, 15 Nov 2022 05:10:18 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4N9y5k2bHcz3f6m for ; Tue, 15 Nov 2022 05:10:18 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=q81Un6i5; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.156.1; helo=mx0a-001b2d01.pphosted.com; envelope-from=sv@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=q81Un6i5; dkim-atps=neutral Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4N9xt21M4Rz3f3S for ; Tue, 15 Nov 2022 05:00:10 +1100 (AEDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.5) with ESMTP id 2AEHXQVC007459; Mon, 14 Nov 2022 17:59:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=4k/rdNumXQft386BS6nTbPJDsgjlCfRAZJSeNCUeFYk=; b=q81Un6i5ex/CelWYlZ0RNkoXFh7dRWMKB0K79rA1SneaQoicVibpe5d8QfjPGjs+6TV2 i2dR0aFmPaJTtEl6P6M5vj+t5f1KpoQXXPGx3cx7+VlnpgNHwklb3lADtcVo6j35WuP2 VfhLCr1Jl82TPJsLg5+Opw6XeOO9QgibYkv6sEOdullyrgWXtLNE3YMttutD/rSWzFlW U2AT+WqnGrnz8nxytvhoqhXCxJk1Q07+MkkMKorIwC2l8gBwHqvfWXyu/nC3V6boqWtC o5tk+fx8gCcesjSj6r3kjzdybJz9vfWDmRrVvYLB1raUh6tkqEAGWBvWlhyIaI4Sc0Co xw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3kut698nwr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Nov 2022 17:59:56 +0000 Received: from m0098399.ppops.net (m0098399.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2AEHXh8f008195; Mon, 14 Nov 2022 17:59:56 GMT Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3kut698nvh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Nov 2022 17:59:56 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 2AEHpXWw009558; Mon, 14 Nov 2022 17:59:53 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma04ams.nl.ibm.com with ESMTP id 3kt348txxw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Nov 2022 17:59:53 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2AEHxpH85702310 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Nov 2022 17:59:51 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 42B3611C052; Mon, 14 Nov 2022 17:59:51 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A242F11C04A; Mon, 14 Nov 2022 17:59:46 +0000 (GMT) Received: from li-c3569c4c-1ef8-11b2-a85c-ee139cda3133.ibm.com.com (unknown [9.43.116.246]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 14 Nov 2022 17:59:46 +0000 (GMT) From: Sathvika Vasireddy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v6 12/16] objtool: Read special sections with alts only when specific options are selected Date: Mon, 14 Nov 2022 23:27:50 +0530 Message-Id: <20221114175754.1131267-13-sv@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221114175754.1131267-1-sv@linux.ibm.com> References: <20221114175754.1131267-1-sv@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: r1HTkkQS8OKXJOHj1lLebmGrJK3QQm0U X-Proofpoint-GUID: oZprsmqqyyCnFoBGw_CRRCp-NCosz9iV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-14_13,2022-11-11_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 suspectscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 adultscore=0 mlxscore=0 mlxlogscore=999 bulkscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211140125 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peterz@infradead.org, npiggin@gmail.com, linux-kernel@vger.kernel.org, aik@ozlabs.ru, mingo@redhat.com, sv@linux.ibm.com, rostedt@goodmis.org, jpoimboe@redhat.com, naveen.n.rao@linux.vnet.ibm.com, mbenes@suse.cz, chenzhongjin@huawei.com Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Call add_special_section_alts() only when stackval or orc or uaccess or noinstr options are passed to objtool. Tested-by: Naveen N. Rao Reviewed-by: Naveen N. Rao Reviewed-by: Christophe Leroy Acked-by: Josh Poimboeuf Signed-off-by: Sathvika Vasireddy --- tools/objtool/check.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 71cf4b4ba1da..752a6ffd5c4c 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2392,9 +2392,11 @@ static int decode_sections(struct objtool_file *file) * Must be before add_jump_destinations(), which depends on 'func' * being set for alternatives, to enable proper sibling call detection. */ - ret = add_special_section_alts(file); - if (ret) - return ret; + if (opts.stackval || opts.orc || opts.uaccess || opts.noinstr) { + ret = add_special_section_alts(file); + if (ret) + return ret; + } ret = add_jump_destinations(file); if (ret)