Messages in this thread | | | Subject | Re: [kbuild-all] Re: powerpc-linux-objdump: Warning: Unrecognized form: 0x23 | From | "Chen, Rong A" <> | Date | Thu, 1 Sep 2022 13:52:42 +0800 |
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On 9/1/2022 1:45 PM, Christophe Leroy wrote: > > > Le 01/09/2022 à 06:59, Chen, Rong A a écrit : >> >> >> On 9/1/2022 10:03 AM, Nathan Chancellor wrote: >>> Hi Rong, >>> >>> On Thu, Sep 01, 2022 at 09:15:58AM +0800, Chen, Rong A wrote: >>>> >>>> >>>> On 8/31/2022 11:40 PM, Nathan Chancellor wrote: >>>>> On Wed, Aug 31, 2022 at 02:52:36PM +0800, kernel test robot wrote: >>>>>> tree: >>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >>>>>> master >>>>>> head: dcf8e5633e2e69ad60b730ab5905608b756a032f >>>>>> commit: f9b3cd24578401e7a392974b3353277286e49cee Kconfig.debug: >>>>>> make DEBUG_INFO selectable from a choice >>>>>> date: 5 months ago >>>>>> config: powerpc-buildonly-randconfig-r003-20220830 >>>>>> (https://download.01.org/0day-ci/archive/20220831/202208311414.4OPuYS9K-lkp@intel.com/config) >>>>>> compiler: clang version 16.0.0 >>>>>> (https://github.com/llvm/llvm-project >>>>>> c7df82e4693c19e3fd2e25c83eb04d9deb7b7b59) >>>>>> 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 powerpc cross compiling tool for clang build >>>>>> # apt-get install binutils-powerpc-linux-gnu >>>>>> # >>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9b3cd24578401e7a392974b3353277286e49cee >>>>>> git remote add linus >>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >>>>>> git fetch --no-tags linus master >>>>>> git checkout f9b3cd24578401e7a392974b3353277286e49cee >>>>>> # save the config file >>>>>> mkdir build_dir && cp config build_dir/.config >>>>>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang >>>>>> make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash >>>>>> >>>>>> If you fix the issue, kindly add following tag where applicable >>>>>> Reported-by: kernel test robot <lkp@intel.com> >>>>>> >>>>>> All warnings (new ones prefixed by >>): >>>>>> >>>>>>>> powerpc-linux-objdump: Warning: Unrecognized form: 0x23 >>>>> >>>>> Given this is clang 16.0.0 with >>>>> CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y, which uses DWARF5 by >>>>> default instead of DWARF4, it looks like older binutils not >>>>> understanding DWARF5. What version of binutils is being used by the >>>>> bot? >>>> >>>> Hi Nathan, >>>> >>>> We're using binutils v2.38.90.20220713-2 >>>> >>>> ||/ Name Version Architecture Description >>>> +++-==============-==================-============-========================================== >>>> ii binutils 2.38.90.20220713-2 amd64 GNU assembler, >>>> linker and binary utilities >>> >>> Thanks for chiming in! This looks like the output of 'dpkg -l', right? I >> >> Hi Nathan, >> >> oh, yes, I misunderstood, it's not related to this package. >> >>> noticed on second glance that the tuple for the objdump warning above is >>> 'powerpc-linux-', which leads me to believe that a kernel.org toolchain >>> (or a self compiled one) is being used. I would expect the tuple to be >>> 'powerpc-linux-gnu-' if Debian's package was being used. Is that >>> possible? >> >> you are right, we used a self-compiled toolchain, we'll try the binutils >> from debian package. > > Can you first tell us the version you are using ? > > powerpc-linux-objdump -v > > That will tell you the version.
Hi Christophe,
the version is v2.38:
$ ./powerpc-linux-objdump -v GNU objdump (GNU Binutils) 2.38 Copyright (C) 2022 Free Software Foundation, Inc. This program is free software; you may redistribute it under the terms of the GNU General Public License version 3 or (at your option) any later version. This program has absolutely no warranty.
Best Regards, Rong Chen
> > Thanks > Christophe > _______________________________________________ > kbuild-all mailing list -- kbuild-all@lists.01.org > To unsubscribe send an email to kbuild-all-leave@lists.01.org >
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