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Mon, 12 Sep 2022 08:20:29 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 46E24A4040; Mon, 12 Sep 2022 08:20:29 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A63A0A4051; Mon, 12 Sep 2022 08:20:24 +0000 (GMT) Received: from li-c3569c4c-1ef8-11b2-a85c-ee139cda3133.ibm.com.com (unknown [9.43.91.220]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 12 Sep 2022 08:20:24 +0000 (GMT) From: Sathvika Vasireddy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v3 00/16] objtool: Enable and implement --mcount option on powerpc Date: Mon, 12 Sep 2022 13:50:04 +0530 Message-Id: <20220912082020.226755-1-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-ORIG-GUID: jAQErej-Crb9RxS6isTRf0dcNoodkm4w X-Proofpoint-GUID: BvWwWq6yM0W5AGErR9G4e1Qwfbb9VmfU 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=2022-09-12_04,2022-09-09_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=999 malwarescore=0 clxscore=1015 spamscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209120027 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+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This patchset enables and implements objtool --mcount option on powerpc. This applies atop powerpc/merge branch. Changelog: 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 + 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 +- 45 files changed, 411 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