From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753824AbdJNOsM (ORCPT ); Sat, 14 Oct 2017 10:48:12 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:45666 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753753AbdJNOsK (ORCPT ); Sat, 14 Oct 2017 10:48:10 -0400 From: Kamalesh Babulal To: Josh Poimboeuf Cc: Kamalesh Babulal , linux-kernel@vger.kernel.org, Ingo Molnar Subject: [PATCH v2] objtool: Print top level commands on incorrect usage Date: Sat, 14 Oct 2017 20:17:54 +0530 X-Mailer: git-send-email 2.7.4 X-TM-AS-MML: disable x-cbid: 17101414-0020-0000-0000-000003C0CC7C X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17101414-0021-0000-0000-00004254A8F1 Message-Id: <1507992474-16142-1-git-send-email-kamalesh@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-10-14_01:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710140211 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Print top-level objtool commands, along with the error on incorrect command line usage. Objtool command line parser exit's with code 129, for incorrect usage. Convert the cmd_usage() exit code also, to maintain consistency across objtool. After the patch: $ ./objtool -j Unknown option: -j usage: objtool COMMAND [ARGS] Commands: check Perform stack metadata validation on an object file orc Generate in-place ORC unwind tables for an object file $ echo $? 129 Cc: Ingo Molnar Signed-off-by: Kamalesh Babulal --- v2: - Changes to commit message only. tools/objtool/objtool.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c index 31e0f91..07f3299 100644 --- a/tools/objtool/objtool.c +++ b/tools/objtool/objtool.c @@ -70,7 +70,7 @@ static void cmd_usage(void) printf("\n"); - exit(1); + exit(129); } static void handle_options(int *argc, const char ***argv) @@ -86,9 +86,7 @@ static void handle_options(int *argc, const char ***argv) break; } else { fprintf(stderr, "Unknown option: %s\n", cmd); - fprintf(stderr, "\n Usage: %s\n", - objtool_usage_string); - exit(1); + cmd_usage(); } (*argv)++; -- 2.7.4