From mboxrd@z Thu Jan 1 00:00:00 1970 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 34804C433F5 for ; Sun, 2 Oct 2022 10:44:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229738AbiJBKoI (ORCPT ); Sun, 2 Oct 2022 06:44:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229500AbiJBKoE (ORCPT ); Sun, 2 Oct 2022 06:44:04 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20A703FD68 for ; Sun, 2 Oct 2022 03:44:03 -0700 (PDT) Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 292A62iE032709; Sun, 2 Oct 2022 10:43:32 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=vrC+A8BGW4fjNC94FOQ/Waof3Ud8d8o6AUQ1j3JbSkc=; b=DH/7Wx0j0YN42LUqjbVYD+w3pRTVJe70vSaRJ5Kzp1L9BKkQ6Uc/Gu9AHGaH0p3AiQkB nT41Wq3VeSph5RFzhFxMEAzkfHbRnRPosn4uL6RiDxlzARzXhRSv3EQM7v5UlW3/zBxj wn3yMjqtB1FyBaN45k2b/uOZY7p77Dr2Dk+GsKNWvcdSdYeJ3lZDb/LcW0RFIC3Vor8G 4h2+hmhWyhXo/7aa4aIT+tYiE29y0QGonW3jqAiRi2dwX041wPncXBskLrfwyhmBNbN6 q4+K18l4NfvVoBhWnL52yXelHqjvUs7X0fitySr4ytfjawqj3mXBIeU6cWNd0YF/Uipj hQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3jxykr15kb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 02 Oct 2022 10:43:32 +0000 Received: from m0127361.ppops.net (m0127361.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 292Aa2jg025857; Sun, 2 Oct 2022 10:43:31 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 3jxykr15jn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 02 Oct 2022 10:43:31 +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 292AZxOh001574; Sun, 2 Oct 2022 10:43:29 GMT Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by ppma04ams.nl.ibm.com with ESMTP id 3jxd691awa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 02 Oct 2022 10:43:29 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 292AhRZ42949742 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 2 Oct 2022 10:43:27 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5B5965204F; Sun, 2 Oct 2022 10:43:27 +0000 (GMT) Received: from li-c3569c4c-1ef8-11b2-a85c-ee139cda3133.ibm.com.com (unknown [9.43.71.20]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 4F44B5204E; Sun, 2 Oct 2022 10:43:23 +0000 (GMT) From: Sathvika Vasireddy To: linuxppc-dev@lists.ozlabs.org Cc: jpoimboe@redhat.com, peterz@infradead.org, linux-kernel@vger.kernel.org, aik@ozlabs.ru, mpe@ellerman.id.au, mingo@redhat.com, christophe.leroy@csgroup.eu, rostedt@goodmis.org, mbenes@suse.cz, npiggin@gmail.com, chenzhongjin@huawei.com, naveen.n.rao@linux.vnet.ibm.com, sv@linux.ibm.com Subject: [PATCH v4 00/16] objtool: Enable and implement --mcount option on powerpc Date: Sun, 2 Oct 2022 16:12:24 +0530 Message-Id: <20221002104240.1316480-1-sv@linux.ibm.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ZwykkxwV-5Afgjnx8odO4goljuV9R04C X-Proofpoint-ORIG-GUID: h1_L0J7nskS1-Kok3mDvyBkkkC64_uOQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-10-01_15,2022-09-29_03,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=999 clxscore=1011 spamscore=0 suspectscore=0 phishscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210020068 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset enables and implements objtool --mcount option on powerpc. This applies atop powerpc/merge branch. Changelog: ---- v4: * Patch 11/16 - Introduce a new config option CONFIG_HAVE_OBJTOOL_NOP_MCOUNT as a means for architectures to enable nop'ing ftrace locations. - Remove Acked-by tag from Peter Zijlstra (Intel), and Reviewed-by tag from Christophe Leroy. [This is done because I reworked the patch to add a new config option to objtool. Please let me know if you want me to retain the tags. Thanks!] * Patch 16/16 - Rework the patch to handle only 'bl' instruction decoding. ---- v3: * Patch 01/16 - Rework patch subject. - Rework changelog. - Add Reviewed-by tag from Christophe Leroy. * Patch 02/16 - Rework changelog to update details based on feedback from Nicholas Piggin and Michael Ellerman. - Use quotes instead of __stringify macro, based on suggestion from Christophe Leroy. * Patch 03/16 - Add Reviewed-by tag from Christophe Leroy. - Based on Christophe's suggestion, keep all before . - Rework changelog. * Patch 04/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 05/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 06/16 - No change. * Patch 07/16 - Add Reviewed-by tag from Christophe Leroy. * Patch 08/16 - Add Acked-by tag from Peter Zijlstra. * Patch 09/16 - Add Acked-by tag from Peter Zijlstra. * Patch 10/16 - Reorder local variable declarations to use reverse xmas tree format. - Add Signed-off-by tag from Sathvika Vasireddy indicating changes done. - Add Acked-by tag from Peter Zijlstra. * Patch 11/16 - Update changelog to indicate that powerpc kernel does not support nop'ed out ftrace locations. - Add Acked-by tag from Peter Zijlstra. - Add Reviewed-by tag from Christophe Leroy. * Patch 12/16 - Per Christophe's comment, rework changelog. * Patch 13/16 - Add Acked-by tag from Peter Zijlstra. - Add Reviewed-by tag from Christophe Leroy. * Patch 14/16 - Simplify arch_ftrace_match() function, based on Christophe's suggestion. - Add Reviewed-by tag from Christophe Leroy. * Patch 15/16 - Include code from Christophe Leroy to use local vars for type and imm, and to adapt len for prefixed instructions. * Patch 16/16 - Based on suggestion from Christophe Leroy, setup immediate value calculation outside the check for specific instruction under case 18. - Set instruction type to INSN_CALL for 'bla' instruction as well. ---- v2: * Change subject of patch 01/16 * As suggested by Christophe Leroy, add barrier_before_unreachable() before __builtin_unreachable() to work around a gcc problem. * Fix issues reported by Kernel Test Robot. * Include suggestions from Christophe Leroy, and change commit messages for patches 01/16, 02/16, 03/16, 05/16. ---- Christophe Leroy (4): objtool: Fix SEGFAULT objtool: Use target file endianness instead of a compiled constant objtool: Use target file class size instead of a compiled constant powerpc: Fix objtool unannotated intra-function call warnings on PPC32 Sathvika Vasireddy (12): powerpc: Fix __WARN_FLAGS() for use with Objtool powerpc: Override __ALIGN and __ALIGN_STR macros powerpc: Fix objtool unannotated intra-function call warnings powerpc: Curb objtool unannotated intra-function warnings powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o powerpc: Skip objtool from running on VDSO files objtool: Add --mnop as an option to --mcount objtool: Read special sections with alts only when specific options are selected objtool: Use macros to define arch specific reloc types objtool: Add arch specific function arch_ftrace_match() objtool/powerpc: Enable objtool to be built on ppc objtool/powerpc: Add --mcount specific implementation Makefile | 4 +- arch/powerpc/Kconfig | 2 + arch/powerpc/include/asm/asm.h | 7 ++ arch/powerpc/include/asm/bug.h | 3 +- arch/powerpc/include/asm/linkage.h | 3 + arch/powerpc/kernel/cpu_setup_6xx.S | 26 +++-- arch/powerpc/kernel/cpu_setup_fsl_booke.S | 8 +- arch/powerpc/kernel/entry_32.S | 9 +- arch/powerpc/kernel/entry_64.S | 2 + arch/powerpc/kernel/exceptions-64s.S | 7 +- arch/powerpc/kernel/head_40x.S | 5 +- arch/powerpc/kernel/head_64.S | 7 +- arch/powerpc/kernel/head_8xx.S | 5 +- arch/powerpc/kernel/head_book3s_32.S | 29 +++-- arch/powerpc/kernel/head_fsl_booke.S | 5 +- arch/powerpc/kernel/misc_64.S | 4 +- arch/powerpc/kernel/swsusp_32.S | 5 +- arch/powerpc/kernel/vdso/Makefile | 2 + arch/powerpc/kernel/vector.S | 4 +- arch/powerpc/kvm/book3s_hv_interrupts.S | 4 +- arch/powerpc/kvm/book3s_hv_rmhandlers.S | 25 +++-- arch/powerpc/kvm/fpu.S | 17 ++- arch/powerpc/platforms/52xx/lite5200_sleep.S | 15 ++- arch/x86/Kconfig | 1 + drivers/crypto/vmx/Makefile | 2 + kernel/trace/Kconfig | 7 ++ scripts/Makefile.lib | 1 + tools/objtool/arch/powerpc/Build | 2 + tools/objtool/arch/powerpc/decode.c | 101 ++++++++++++++++++ .../arch/powerpc/include/arch/cfi_regs.h | 11 ++ tools/objtool/arch/powerpc/include/arch/elf.h | 10 ++ .../arch/powerpc/include/arch/special.h | 21 ++++ tools/objtool/arch/powerpc/special.c | 19 ++++ tools/objtool/arch/x86/decode.c | 5 + tools/objtool/arch/x86/include/arch/elf.h | 2 + .../arch/x86/include/arch/endianness.h | 9 -- tools/objtool/builtin-check.c | 14 +++ tools/objtool/check.c | 53 ++++----- tools/objtool/elf.c | 8 +- tools/objtool/include/objtool/arch.h | 2 + tools/objtool/include/objtool/builtin.h | 1 + tools/objtool/include/objtool/elf.h | 8 ++ tools/objtool/include/objtool/endianness.h | 32 +++--- tools/objtool/orc_dump.c | 11 +- tools/objtool/orc_gen.c | 4 +- tools/objtool/special.c | 3 +- 46 files changed, 418 insertions(+), 107 deletions(-) create mode 100644 arch/powerpc/include/asm/asm.h create mode 100644 tools/objtool/arch/powerpc/Build create mode 100644 tools/objtool/arch/powerpc/decode.c create mode 100644 tools/objtool/arch/powerpc/include/arch/cfi_regs.h create mode 100644 tools/objtool/arch/powerpc/include/arch/elf.h create mode 100644 tools/objtool/arch/powerpc/include/arch/special.h create mode 100644 tools/objtool/arch/powerpc/special.c delete mode 100644 tools/objtool/arch/x86/include/arch/endianness.h -- 2.31.1