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Wed, 4 Nov 2020 09:18:46 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 95C22A4054; Wed, 4 Nov 2020 09:18:45 +0000 (GMT) Received: from localhost (unknown [9.145.163.252]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 4 Nov 2020 09:18:45 +0000 (GMT) Date: Wed, 4 Nov 2020 10:18:43 +0100 From: Vasily Gorbik To: kernel test robot Cc: Josh Poimboeuf , Masami Hiramatsu , kbuild-all@lists.01.org, clang-built-linux@googlegroups.com, Borislav Petkov , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-tip-commits@vger.kernel.org, x86 Subject: Re: [PATCH 1/1] x86/tools: Use tools headers for instruction decoder selftests Message-ID: References: <202011041702.EIrDb4hS-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <202011041702.EIrDb4hS-lkp@intel.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-04_06:2020-11-04,2020-11-04 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 adultscore=0 suspectscore=0 spamscore=0 mlxscore=0 phishscore=0 bulkscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011040068 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 04, 2020 at 05:11:28PM +0800, kernel test robot wrote: > Hi Vasily, > > I love your patch! Yet something to improve: > > [auto build test ERROR on tip/x86/core] > [also build test ERROR on v5.10-rc2 next-20201103] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/0day-ci/linux/commits/Vasily-Gorbik/x86-tools-Use-tools-headers-for-instruction-decoder-selftests/20201104-043600 > base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 238c91115cd05c71447ea071624a4c9fe661f970 > config: x86_64-randconfig-a005-20201104 (attached as .config) > compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 1fcd5d5655e29f85e12b402e32974f207cfedf32) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install x86_64 cross compiling tool for clang build > # apt-get install binutils-x86-64-linux-gnu > # https://github.com/0day-ci/linux/commit/ab4952becdfae8a76a6f0e0fb4ec7d078e80d5d6 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Vasily-Gorbik/x86-tools-Use-tools-headers-for-instruction-decoder-selftests/20201104-043600 > git checkout ab4952becdfae8a76a6f0e0fb4ec7d078e80d5d6 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All error/warnings (new ones prefixed by >>): > > In file included from arch/x86/tools/insn_sanity.c:19: > >> tools/arch/x86/lib/insn.c:72:7: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > if (peek_nbyte_next(insn_byte_t, insn, i) != prefix[i]) > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:115:6: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b = peek_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:34:28: note: expanded from macro 'peek_next' > #define peek_next(t, insn) peek_nbyte_next(t, insn, 0) > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:140:7: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b = peek_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:34:28: note: expanded from macro 'peek_next' > #define peek_next(t, insn) peek_nbyte_next(t, insn, 0) > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:145:7: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > if (unlikely(insn->prefixes.bytes[3])) { > ^ > tools/arch/x86/lib/insn.c:157:7: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b = peek_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:34:28: note: expanded from macro 'peek_next' > #define peek_next(t, insn) peek_nbyte_next(t, insn, 0) > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:171:6: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b = peek_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:34:28: note: expanded from macro 'peek_next' > #define peek_next(t, insn) peek_nbyte_next(t, insn, 0) > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:174:20: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn_byte_t b2 = peek_nbyte_next(insn_byte_t, insn, 1); > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:187:9: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b2 = peek_nbyte_next(insn_byte_t, insn, 2); > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:189:9: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b2 = peek_nbyte_next(insn_byte_t, insn, 3); > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:197:9: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > b2 = peek_nbyte_next(insn_byte_t, insn, 2); > ^ > tools/arch/x86/lib/insn.c:32:9: note: expanded from macro 'peek_nbyte_next' > ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); }) > ^ > tools/arch/x86/lib/insn.c:245:7: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > op = get_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:265:8: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > op = get_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:297:9: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > mod = get_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:359:22: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->sib.value = get_next(insn_byte_t, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:410:31: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->displacement.value = get_next(signed char, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:415:7: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > get_next(short, insn); > -- > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:448:26: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->moffset2.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:467:27: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate.value = get_next(short, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:472:27: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:490:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate1.value = get_next(short, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:494:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate1.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:498:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate1.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:500:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate2.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:518:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate1.value = get_next(short, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:522:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate1.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:531:27: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate2.value = get_next(unsigned short, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:568:27: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate.value = get_next(signed char, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:572:27: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate.value = get_next(short, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:576:27: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:580:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate1.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:582:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate2.value = get_next(int, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > tools/arch/x86/lib/insn.c:602:28: warning: implicit declaration of function 'unlikely' [-Wimplicit-function-declaration] > insn->immediate2.value = get_next(signed char, insn); > ^ > tools/arch/x86/lib/insn.c:29:9: note: expanded from macro 'get_next' > ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); }) > ^ > >> arch/x86/tools/insn_sanity.c:128:19: warning: implicit declaration of function 'ARRAY_SIZE' [-Wimplicit-function-declaration] > tmp = fgets(buf, ARRAY_SIZE(buf), input_file); > ^ > 37 warnings generated. > /usr/bin/ld: /tmp/insn_sanity-8655a9.o: in function `insn_get_prefixes': > >> insn_sanity.c:(.text+0x1bd): undefined reference to `unlikely' > >> /usr/bin/ld: insn_sanity.c:(.text+0x203): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x24d): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x30f): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x353): undefined reference to `unlikely' > /usr/bin/ld: /tmp/insn_sanity-8655a9.o:insn_sanity.c:(.text+0x38e): more undefined references to `unlikely' follow > /usr/bin/ld: /tmp/insn_sanity-8655a9.o: in function `main': > >> insn_sanity.c:(.text+0x13cf): undefined reference to `ARRAY_SIZE' > /usr/bin/ld: /tmp/insn_sanity-8655a9.o: in function `__insn_get_emulate_prefix': > insn_sanity.c:(.text+0x1cc1): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x1cef): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x1d1f): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x1d47): undefined reference to `unlikely' > /usr/bin/ld: insn_sanity.c:(.text+0x1d6f): undefined reference to `unlikely' > clang-12: error: linker command failed with exit code 1 (use -v to see invocation) Right, this is expected. The patch is based on jpoimboe/objtool/core, which has extra commits.